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docs: Update plugins cache
authorThibault Saunier <tsaunier@igalia.com>
Tue, 9 Jun 2020 19:18:43 +0000 (15:18 -0400)
committerThibault Saunier <tsaunier@igalia.com>
Wed, 10 Jun 2020 13:37:09 +0000 (13:37 +0000)
docs/plugins/gst_plugins_cache.json patch | blob | history

diff --git a/docs/plugins/gst_plugins_cache.json b/docs/plugins/gst_plugins_cache.json
index eae2c81..6664d2d 100644 (file)
--- a/docs/plugins/gst_plugins_cache.json
+++ b/docs/plugins/gst_plugins_cache.json
@@ -36,7 +36,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstCaps",
                         "writable": true
@@ -87,7 +87,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -99,7 +99,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -113,7 +113,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -125,7 +125,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -137,7 +137,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -177,7 +177,7 @@
                         "default": "40000000",
                         "max": "18446744073709551614",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -189,7 +189,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -203,7 +203,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -217,7 +217,7 @@
                         "default": "200000",
                         "max": "9223372036854775807",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -229,7 +229,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -241,7 +241,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": false
@@ -253,7 +253,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "default",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -265,7 +265,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": false
@@ -279,7 +279,7 @@
                         "default": "1000000000",
                         "max": "18446744073709551614",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -293,7 +293,7 @@
                         "default": "40000",
                         "max": "9223372036854775807",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -305,7 +305,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -316,7 +316,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -330,7 +330,7 @@
                         "default": "10000",
                         "max": "9223372036854775807",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -344,7 +344,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -358,7 +358,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -372,7 +372,7 @@
                         "default": "20000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -384,7 +384,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -396,7 +396,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -410,7 +410,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -422,7 +422,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "skew (1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAudioBaseSinkSlaveMethod",
                         "writable": true
@@ -434,7 +434,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "application/x-gst-base-sink-stats, average-rate=(double)0, dropped=(guint64)0, rendered=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -446,7 +446,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -460,7 +460,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -474,7 +474,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -515,7 +515,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": false
@@ -529,7 +529,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": false
@@ -543,7 +543,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -557,7 +557,7 @@
                         "default": "200000",
                         "max": "9223372036854775807",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -569,7 +569,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": false
@@ -581,7 +581,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "default",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -593,7 +593,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": false
@@ -605,7 +605,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -619,7 +619,7 @@
                         "default": "10000",
                         "max": "9223372036854775807",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -633,7 +633,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -645,7 +645,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -657,7 +657,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "skew (2)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAudioBaseSrcSlaveMethod",
                         "writable": true
@@ -669,7 +669,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -681,7 +681,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -732,7 +732,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -746,7 +746,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -758,7 +758,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -769,7 +769,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstCaps",
                         "writable": true
@@ -781,7 +781,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -793,7 +793,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -805,7 +805,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -817,7 +817,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": false
@@ -828,7 +828,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -842,7 +842,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -856,7 +856,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -870,7 +870,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -884,7 +884,7 @@
                         "default": "20000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -896,7 +896,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -910,7 +910,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -922,7 +922,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "application/x-gst-base-sink-stats, average-rate=(double)0, dropped=(guint64)0, rendered=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -934,7 +934,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -948,7 +948,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -962,7 +962,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -974,7 +974,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -1064,7 +1064,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -1078,7 +1078,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -1089,7 +1089,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstCaps",
                         "writable": true
@@ -1103,7 +1103,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -1115,7 +1115,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -1129,7 +1129,7 @@
                         "default": "18446744073709551615",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1141,7 +1141,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -1153,7 +1153,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "bytes (2)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFormat",
                         "writable": true
@@ -1165,7 +1165,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -1179,7 +1179,7 @@
                         "default": "200000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1193,7 +1193,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -1207,7 +1207,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -1221,7 +1221,7 @@
                         "default": "0",
                         "max": "100",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -1235,7 +1235,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -1249,7 +1249,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -1261,7 +1261,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "stream (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAppStreamType",
                         "writable": true
@@ -1273,7 +1273,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -1392,7 +1392,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "tpdf (2)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAudioDitherMethod",
                         "writable": true
@@ -1403,7 +1403,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstValueArray",
                         "writable": true
@@ -1415,7 +1415,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAudioNoiseShapingMethod",
                         "writable": true
@@ -1427,7 +1427,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -1488,7 +1488,7 @@
                         "default": "40000000",
                         "max": "18446744073709551614",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1499,7 +1499,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GValueArray",
                         "writable": true
@@ -1511,7 +1511,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -1525,7 +1525,7 @@
                         "default": "1000000000",
                         "max": "18446744073709551614",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1539,7 +1539,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1553,7 +1553,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1567,7 +1567,7 @@
                         "default": "10000000",
                         "max": "18446744073709551615",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1595,7 +1595,7 @@
                         "default": "18446744073709551615",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1607,7 +1607,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "zero (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAggregatorStartTimeSelection",
                         "writable": true
@@ -1656,7 +1656,7 @@
                         "default": "40000000",
                         "max": "18446744073709551614",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1670,7 +1670,7 @@
                         "default": "1000000000",
                         "max": "18446744073709551614",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1684,7 +1684,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1698,7 +1698,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1712,7 +1712,7 @@
                         "default": "10000000",
                         "max": "18446744073709551615",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1740,7 +1740,7 @@
                         "default": "18446744073709551615",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1752,7 +1752,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "zero (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAggregatorStartTimeSelection",
                         "writable": true
@@ -1802,7 +1802,7 @@
                         "default": "40000000",
                         "max": "18446744073709551614",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1816,7 +1816,7 @@
                         "default": "1000000000",
                         "max": "18446744073709551614",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1830,7 +1830,7 @@
                         "default": "30",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -1844,7 +1844,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1858,7 +1858,7 @@
                         "default": "10000000",
                         "max": "18446744073709551615",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1886,7 +1886,7 @@
                         "default": "18446744073709551615",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -1898,7 +1898,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "zero (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAggregatorStartTimeSelection",
                         "writable": true
@@ -1931,7 +1931,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": false
@@ -1943,7 +1943,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -1981,7 +1981,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": true
@@ -1993,7 +1993,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -2005,7 +2005,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -2019,7 +2019,7 @@
                         "default": "1",
                         "max": "10",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -2081,7 +2081,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -2095,7 +2095,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -2109,7 +2109,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -2123,7 +2123,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -2135,7 +2135,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -2147,7 +2147,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -2161,7 +2161,7 @@
                         "default": "40000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -2214,7 +2214,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -2228,7 +2228,7 @@
                         "default": "4",
                         "max": "10",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -2240,7 +2240,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "kaiser (4)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAudioResamplerMethod",
                         "writable": true
@@ -2254,7 +2254,7 @@
                         "default": "1048576",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -2266,7 +2266,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "cubic (2)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAudioResamplerFilterInterpolation",
                         "writable": true
@@ -2278,7 +2278,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "auto (2)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAudioResamplerFilterMode",
                         "writable": true
@@ -2397,7 +2397,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -2411,7 +2411,7 @@
                         "default": "-1",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -2423,7 +2423,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -2435,7 +2435,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -2447,7 +2447,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -2461,7 +2461,7 @@
                         "default": "440",
                         "max": "1.07374e+09",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -2473,7 +2473,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -2487,7 +2487,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -2501,7 +2501,7 @@
                         "default": "1",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -2515,7 +2515,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -2529,7 +2529,7 @@
                         "default": "1024",
                         "max": "2147483647",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -2543,7 +2543,7 @@
                         "default": "10",
                         "max": "-1",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -2557,7 +2557,7 @@
                         "default": "1000000000",
                         "max": "18446744073709551615",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -2571,7 +2571,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -2583,7 +2583,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -2597,7 +2597,7 @@
                         "default": "0.8",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -2609,7 +2609,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "sine (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAudioTestSrcWave",
                         "writable": true
@@ -2735,7 +2735,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -2749,7 +2749,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -2761,7 +2761,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "/dev/cdrom",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -2773,7 +2773,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -2785,7 +2785,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -2797,7 +2797,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "normal (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAudioCdSrcMode",
                         "writable": true
@@ -2811,7 +2811,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -2823,7 +2823,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "fragment",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstCdParanoiaMode",
                         "writable": true
@@ -2837,7 +2837,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -2851,7 +2851,7 @@
                         "default": "-1",
                         "max": "75",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -2865,7 +2865,7 @@
                         "default": "1",
                         "max": "99",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -2877,7 +2877,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -2994,7 +2994,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "checker (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstCompositorBackground",
                         "writable": true
@@ -3008,7 +3008,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -3022,7 +3022,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -3036,7 +3036,7 @@
                         "default": "18446744073709551615",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -3048,7 +3048,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "zero (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAggregatorStartTimeSelection",
                         "writable": true
@@ -3127,7 +3127,7 @@
                         "default": "1",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -3138,7 +3138,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": true
@@ -3150,7 +3150,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3164,7 +3164,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -3190,7 +3190,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "over (1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstCompositorOperator",
                         "writable": true
@@ -3202,7 +3202,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3216,7 +3216,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -3230,7 +3230,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -3244,7 +3244,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -3258,7 +3258,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -3332,7 +3332,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3346,7 +3346,7 @@
                         "default": "20000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -3358,7 +3358,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3370,7 +3370,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "(none)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstEncodeBinFlags",
                         "writable": true
@@ -3382,7 +3382,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3393,7 +3393,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstEncodingProfile",
                         "writable": true
@@ -3407,7 +3407,7 @@
                         "default": "200",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -3421,7 +3421,7 @@
                         "default": "10485760",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -3435,7 +3435,7 @@
                         "default": "1000000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -3527,7 +3527,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3541,7 +3541,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -3553,7 +3553,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3564,7 +3564,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GFile",
                         "writable": true
@@ -3575,7 +3575,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -3587,7 +3587,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -3601,7 +3601,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -3615,7 +3615,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -3629,7 +3629,7 @@
                         "default": "20000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -3641,7 +3641,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3655,7 +3655,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -3667,7 +3667,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "application/x-gst-base-sink-stats, average-rate=(double)0, dropped=(guint64)0, rendered=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -3679,7 +3679,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3693,7 +3693,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -3707,7 +3707,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -3749,7 +3749,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -3761,7 +3761,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3772,7 +3772,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GFile",
                         "writable": true
@@ -3784,7 +3784,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -3798,7 +3798,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -3810,7 +3810,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3847,7 +3847,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3861,7 +3861,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -3873,7 +3873,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3884,7 +3884,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -3898,7 +3898,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -3912,7 +3912,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -3926,7 +3926,7 @@
                         "default": "20000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -3938,7 +3938,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -3952,7 +3952,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -3964,7 +3964,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "application/x-gst-base-sink-stats, average-rate=(double)0, dropped=(guint64)0, rendered=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -3975,7 +3975,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GOutputStream",
                         "writable": true
@@ -3987,7 +3987,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -4001,7 +4001,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -4015,7 +4015,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -4054,7 +4054,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -4066,7 +4066,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -4080,7 +4080,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -4091,7 +4091,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GInputStream",
                         "writable": true
@@ -4103,7 +4103,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -4260,7 +4260,7 @@
                         "default": "500000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -4274,7 +4274,7 @@
                         "default": "500000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -4288,7 +4288,7 @@
                         "default": "40000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -4300,7 +4300,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -4545,7 +4545,7 @@
                         "default": "1",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -4559,7 +4559,7 @@
                         "default": "20",
                         "max": "90",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -4573,7 +4573,7 @@
                         "default": "100",
                         "max": "128",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -4584,7 +4584,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -4596,7 +4596,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "set (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLAlphaMethod",
                         "writable": true
@@ -4610,7 +4610,7 @@
                         "default": "2",
                         "max": "64",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -4622,7 +4622,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -4636,7 +4636,7 @@
                         "default": "0",
                         "max": "255",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -4650,7 +4650,7 @@
                         "default": "255",
                         "max": "255",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -4664,7 +4664,7 @@
                         "default": "0",
                         "max": "255",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -4678,7 +4678,7 @@
                         "default": "100",
                         "max": "128",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -4726,7 +4726,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -4737,7 +4737,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -4751,7 +4751,7 @@
                         "default": "1",
                         "max": "2",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -4765,7 +4765,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -4777,7 +4777,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -4791,7 +4791,7 @@
                         "default": "1",
                         "max": "2",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -4832,7 +4832,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -4844,7 +4844,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -4886,7 +4886,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -4898,7 +4898,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -4940,7 +4940,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -4952,7 +4952,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "vfir (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLDeinterlaceMethod",
                         "writable": true
@@ -4964,7 +4964,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5006,7 +5006,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5018,7 +5018,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -5030,7 +5030,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5071,7 +5071,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5083,7 +5083,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5126,7 +5126,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5138,7 +5138,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "identity (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLEffectsEffect",
                         "writable": true
@@ -5150,7 +5150,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5162,7 +5162,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5174,7 +5174,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5217,7 +5217,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5229,7 +5229,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5241,7 +5241,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5284,7 +5284,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5296,7 +5296,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5308,7 +5308,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5351,7 +5351,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5363,7 +5363,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5375,7 +5375,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5418,7 +5418,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5430,7 +5430,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5442,7 +5442,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5485,7 +5485,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5497,7 +5497,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5509,7 +5509,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5552,7 +5552,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5564,7 +5564,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5576,7 +5576,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5619,7 +5619,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5631,7 +5631,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5643,7 +5643,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5655,7 +5655,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5698,7 +5698,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5710,7 +5710,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5722,7 +5722,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5765,7 +5765,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5777,7 +5777,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5789,7 +5789,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5832,7 +5832,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5844,7 +5844,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5856,7 +5856,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5899,7 +5899,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5911,7 +5911,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5923,7 +5923,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5966,7 +5966,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -5978,7 +5978,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -5990,7 +5990,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6002,7 +6002,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6045,7 +6045,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -6057,7 +6057,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6069,7 +6069,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6112,7 +6112,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -6124,7 +6124,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6136,7 +6136,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6179,7 +6179,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -6191,7 +6191,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6203,7 +6203,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6246,7 +6246,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -6258,7 +6258,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6270,7 +6270,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6313,7 +6313,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -6325,7 +6325,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6337,7 +6337,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6380,7 +6380,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -6392,7 +6392,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6404,7 +6404,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6447,7 +6447,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -6459,7 +6459,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6471,7 +6471,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6513,7 +6513,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -6525,7 +6525,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6589,7 +6589,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6612,7 +6612,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6664,7 +6664,7 @@
                         "default": "0",
                         "max": "100",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -6678,7 +6678,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -6689,7 +6689,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -6703,7 +6703,7 @@
                         "default": "45",
                         "max": "180",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -6717,7 +6717,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -6729,7 +6729,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6743,7 +6743,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -6757,7 +6757,7 @@
                         "default": "100",
                         "max": "1000",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -6771,7 +6771,7 @@
                         "default": "0.1",
                         "max": "100",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -6813,7 +6813,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -6825,7 +6825,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6868,7 +6868,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6880,7 +6880,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6894,7 +6894,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -6908,7 +6908,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -6919,7 +6919,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -6933,7 +6933,7 @@
                         "default": "1",
                         "max": "2",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -6945,7 +6945,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6957,7 +6957,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6969,7 +6969,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -6983,7 +6983,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -6995,7 +6995,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7006,7 +7006,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -7020,7 +7020,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -7034,7 +7034,7 @@
                         "default": "5000000",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -7046,7 +7046,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7058,7 +7058,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "green-magenta-dubois (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLStereoDownmix",
                         "writable": true
@@ -7070,7 +7070,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoMultiviewFlags",
                         "writable": true
@@ -7082,7 +7082,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "mono (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoMultiviewMode",
                         "writable": true
@@ -7096,7 +7096,7 @@
                         "default": "0/1",
                         "max": "2147483647/1",
                         "min": "0/1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFraction",
                         "writable": true
@@ -7108,7 +7108,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7122,7 +7122,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -7133,7 +7133,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": false,
                         "type": "GstValueArray",
                         "writable": true
@@ -7145,7 +7145,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLRotateMethod",
                         "writable": true
@@ -7159,7 +7159,7 @@
                         "default": "1",
                         "max": "2",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -7171,7 +7171,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7194,7 +7194,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7208,7 +7208,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -7222,7 +7222,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -7302,7 +7302,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7316,7 +7316,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -7327,7 +7327,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -7339,7 +7339,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7351,7 +7351,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7363,7 +7363,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7375,7 +7375,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7386,7 +7386,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -7400,7 +7400,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -7414,7 +7414,7 @@
                         "default": "5000000",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -7426,7 +7426,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "green-magenta-dubois (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLStereoDownmix",
                         "writable": true
@@ -7438,7 +7438,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoMultiviewFlags",
                         "writable": true
@@ -7450,7 +7450,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "mono (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoMultiviewMode",
                         "writable": true
@@ -7464,7 +7464,7 @@
                         "default": "0/1",
                         "max": "2147483647/1",
                         "min": "0/1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFraction",
                         "writable": true
@@ -7478,7 +7478,7 @@
                         "default": "15000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -7490,7 +7490,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7504,7 +7504,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -7515,7 +7515,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": false,
                         "type": "GstValueArray",
                         "writable": true
@@ -7527,7 +7527,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLRotateMethod",
                         "writable": true
@@ -7539,7 +7539,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7551,7 +7551,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "application/x-gst-base-sink-stats, average-rate=(double)0, dropped=(guint64)0, rendered=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -7563,7 +7563,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7577,7 +7577,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -7591,7 +7591,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -7669,7 +7669,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7680,7 +7680,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -7694,7 +7694,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -7706,7 +7706,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -7731,7 +7731,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -7743,7 +7743,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "zero (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLMixerBinStartTimeSelection",
                         "writable": true
@@ -7798,7 +7798,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -7812,7 +7812,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -7826,7 +7826,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -7840,7 +7840,7 @@
                         "default": "18446744073709551615",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -7852,7 +7852,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "zero (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAggregatorStartTimeSelection",
                         "writable": true
@@ -7908,7 +7908,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -7988,7 +7988,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8058,7 +8058,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -8070,7 +8070,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8112,7 +8112,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -8124,7 +8124,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -8136,7 +8136,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8147,7 +8147,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLShader",
                         "writable": true
@@ -8158,7 +8158,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": true
@@ -8170,7 +8170,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": false,
                         "type": "gboolean",
                         "writable": true
@@ -8182,7 +8182,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -8231,7 +8231,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8243,7 +8243,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8257,7 +8257,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -8271,7 +8271,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -8285,7 +8285,7 @@
                         "default": "1",
                         "max": "2",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -8297,7 +8297,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8309,7 +8309,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8323,7 +8323,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -8334,7 +8334,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -8348,7 +8348,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -8362,7 +8362,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -8374,7 +8374,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8386,7 +8386,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8400,7 +8400,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -8414,7 +8414,7 @@
                         "default": "1",
                         "max": "2",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -8437,7 +8437,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8451,7 +8451,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -8465,7 +8465,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -8511,7 +8511,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8523,7 +8523,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8589,7 +8589,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -8601,7 +8601,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "green-magenta-dubois (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLStereoDownmix",
                         "writable": true
@@ -8615,7 +8615,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -8629,7 +8629,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -8643,7 +8643,7 @@
                         "default": "18446744073709551615",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -8655,7 +8655,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "zero (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAggregatorStartTimeSelection",
                         "writable": true
@@ -8726,7 +8726,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -8738,7 +8738,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8750,7 +8750,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8764,7 +8764,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -8776,7 +8776,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "smpte (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLTestSrcPattern",
                         "writable": true
@@ -8790,7 +8790,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -8802,7 +8802,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8844,7 +8844,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -8858,7 +8858,7 @@
                         "default": "90",
                         "max": "3.40282e+38",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -8869,7 +8869,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GrapheneMatrix",
                         "writable": true
@@ -8881,7 +8881,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8895,7 +8895,7 @@
                         "default": "0",
                         "max": "3.40282e+38",
                         "min": "-3.40282e+38",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -8909,7 +8909,7 @@
                         "default": "0",
                         "max": "3.40282e+38",
                         "min": "-3.40282e+38",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -8923,7 +8923,7 @@
                         "default": "0",
                         "max": "3.40282e+38",
                         "min": "-3.40282e+38",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -8935,7 +8935,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -8949,7 +8949,7 @@
                         "default": "0",
                         "max": "3.40282e+38",
                         "min": "-3.40282e+38",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -8963,7 +8963,7 @@
                         "default": "0",
                         "max": "3.40282e+38",
                         "min": "-3.40282e+38",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -8977,7 +8977,7 @@
                         "default": "0",
                         "max": "3.40282e+38",
                         "min": "-3.40282e+38",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -8991,7 +8991,7 @@
                         "default": "1",
                         "max": "3.40282e+38",
                         "min": "-3.40282e+38",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -9005,7 +9005,7 @@
                         "default": "1",
                         "max": "3.40282e+38",
                         "min": "-3.40282e+38",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -9019,7 +9019,7 @@
                         "default": "0",
                         "max": "3.40282e+38",
                         "min": "-3.40282e+38",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -9033,7 +9033,7 @@
                         "default": "0",
                         "max": "3.40282e+38",
                         "min": "-3.40282e+38",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -9047,7 +9047,7 @@
                         "default": "0",
                         "max": "3.40282e+38",
                         "min": "-3.40282e+38",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -9088,7 +9088,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -9100,7 +9100,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -9145,7 +9145,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -9157,7 +9157,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -9169,7 +9169,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "none (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLVideoFlipMethod",
                         "writable": true
@@ -9181,7 +9181,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "identity (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoOrientationMethod",
                         "writable": true
@@ -9226,7 +9226,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -9238,7 +9238,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "checker (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLVideoMixerBackground",
                         "writable": true
@@ -9249,7 +9249,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -9263,7 +9263,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -9275,7 +9275,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -9300,7 +9300,7 @@
                         "default": "18446744073709551615",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -9312,7 +9312,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "zero (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLMixerBinStartTimeSelection",
                         "writable": true
@@ -9368,7 +9368,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "checker (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLVideoMixerBackground",
                         "writable": true
@@ -9379,7 +9379,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -9393,7 +9393,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -9407,7 +9407,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -9421,7 +9421,7 @@
                         "default": "18446744073709551615",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -9433,7 +9433,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "zero (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAggregatorStartTimeSelection",
                         "writable": true
@@ -9475,7 +9475,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLContext",
                         "writable": false
@@ -9487,7 +9487,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "green-magenta-dubois (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLStereoDownmix",
                         "writable": true
@@ -9499,7 +9499,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoMultiviewFlags",
                         "writable": true
@@ -9511,7 +9511,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (-1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoMultiviewFramePacking",
                         "writable": true
@@ -9523,7 +9523,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoMultiviewFlags",
                         "writable": true
@@ -9535,7 +9535,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (-1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoMultiviewMode",
                         "writable": true
@@ -9547,7 +9547,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -9739,7 +9739,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -9765,7 +9765,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -9779,7 +9779,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -9889,7 +9889,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -9915,7 +9915,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -9929,7 +9929,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -10221,7 +10221,7 @@
                         "default": "1",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -10235,7 +10235,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -10249,7 +10249,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -10263,7 +10263,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -10277,7 +10277,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -10289,7 +10289,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "add (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLVideoMixerBlendEquation",
                         "writable": true
@@ -10301,7 +10301,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "add (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLVideoMixerBlendEquation",
                         "writable": true
@@ -10313,7 +10313,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "one-minus-src-alpha (7)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLVideoMixerBlendFunction",
                         "writable": true
@@ -10325,7 +10325,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "one-minus-src-alpha (7)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLVideoMixerBlendFunction",
                         "writable": true
@@ -10337,7 +10337,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "one (1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLVideoMixerBlendFunction",
                         "writable": true
@@ -10349,7 +10349,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "src-alpha (6)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstGLVideoMixerBlendFunction",
                         "writable": true
@@ -10361,7 +10361,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -10375,7 +10375,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -10401,7 +10401,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -10415,7 +10415,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -10429,7 +10429,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -10443,7 +10443,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -10457,7 +10457,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -10518,7 +10518,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -10532,7 +10532,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -10544,7 +10544,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -10556,7 +10556,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -10568,7 +10568,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "application/x-opusdec-stats, num-pushed=(guint64)0, num-gap=(guint64)0, plc-num-samples=(guint64)0, plc-duration=(guint64)0, bandwidth=(uint)0, sample-rate=(uint)0, gain=(uint)0, last-packet-duration=(uint)0, channels=(uint)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -10582,7 +10582,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -10594,7 +10594,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -10639,7 +10639,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "generic (2049)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstOpusEncAudioType",
                         "writable": true
@@ -10727,7 +10727,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -10751,7 +10751,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": false
@@ -10791,7 +10791,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -10805,7 +10805,7 @@
                         "default": "40000000",
                         "max": "9223372036854775807",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -11035,7 +11035,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11049,7 +11049,7 @@
                         "default": "-1",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -11063,7 +11063,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -11077,7 +11077,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -11089,7 +11089,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11101,7 +11101,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11113,7 +11113,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -11125,7 +11125,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "left (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayHAlign",
                         "writable": true
@@ -11137,7 +11137,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "center (1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayLineAlign",
                         "writable": true
@@ -11151,7 +11151,7 @@
                         "default": "-16777216",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -11163,7 +11163,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayScaleMode",
                         "writable": true
@@ -11177,7 +11177,7 @@
                         "default": "1/1",
                         "max": "100/1",
                         "min": "1/100",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFraction",
                         "writable": true
@@ -11189,7 +11189,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11203,7 +11203,7 @@
                         "default": "80",
                         "max": "255",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -11215,7 +11215,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11227,7 +11227,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -11241,7 +11241,7 @@
                         "default": "1",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": false
@@ -11255,7 +11255,7 @@
                         "default": "1",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": false
@@ -11269,7 +11269,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483647",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": false
@@ -11283,7 +11283,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483647",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": false
@@ -11295,7 +11295,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "%%H:%%M:%%S",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -11307,7 +11307,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "top (2)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayVAlign",
                         "writable": true
@@ -11319,7 +11319,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11331,7 +11331,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11343,7 +11343,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "wordchar (2)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayWrapMode",
                         "writable": true
@@ -11357,7 +11357,7 @@
                         "default": "0.5",
                         "max": "1.79769e+308",
                         "min": "-1.79769e+308",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -11371,7 +11371,7 @@
                         "default": "25",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -11385,7 +11385,7 @@
                         "default": "0.5",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -11399,7 +11399,7 @@
                         "default": "0.5",
                         "max": "1.79769e+308",
                         "min": "-1.79769e+308",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -11413,7 +11413,7 @@
                         "default": "25",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -11427,7 +11427,7 @@
                         "default": "0.5",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -11473,7 +11473,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11487,7 +11487,7 @@
                         "default": "-1",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -11501,7 +11501,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -11515,7 +11515,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -11527,7 +11527,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11539,7 +11539,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11551,7 +11551,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -11563,7 +11563,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "center (1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayHAlign",
                         "writable": true
@@ -11575,7 +11575,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "center (1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayLineAlign",
                         "writable": true
@@ -11589,7 +11589,7 @@
                         "default": "-16777216",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -11601,7 +11601,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayScaleMode",
                         "writable": true
@@ -11615,7 +11615,7 @@
                         "default": "1/1",
                         "max": "100/1",
                         "min": "1/100",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFraction",
                         "writable": true
@@ -11627,7 +11627,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11641,7 +11641,7 @@
                         "default": "80",
                         "max": "255",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -11653,7 +11653,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11665,7 +11665,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -11679,7 +11679,7 @@
                         "default": "1",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": false
@@ -11693,7 +11693,7 @@
                         "default": "1",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": false
@@ -11707,7 +11707,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483647",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": false
@@ -11721,7 +11721,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483647",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": false
@@ -11733,7 +11733,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "baseline (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayVAlign",
                         "writable": true
@@ -11745,7 +11745,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11757,7 +11757,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -11769,7 +11769,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "wordchar (2)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayWrapMode",
                         "writable": true
@@ -11783,7 +11783,7 @@
                         "default": "0.5",
                         "max": "1.79769e+308",
                         "min": "-1.79769e+308",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -11797,7 +11797,7 @@
                         "default": "25",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -11811,7 +11811,7 @@
                         "default": "0.5",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -11825,7 +11825,7 @@
                         "default": "0.5",
                         "max": "1.79769e+308",
                         "min": "-1.79769e+308",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -11839,7 +11839,7 @@
                         "default": "25",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -11853,7 +11853,7 @@
                         "default": "0.5",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -11893,7 +11893,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": false,
                         "type": "gchararray",
                         "writable": true
@@ -11905,7 +11905,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "center (1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstTextRenderHAlign",
                         "writable": true
@@ -11917,7 +11917,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "center (1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstTextRenderLineAlign",
                         "writable": true
@@ -11929,7 +11929,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "baseline (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstTextRenderVAlign",
                         "writable": true
@@ -11943,7 +11943,7 @@
                         "default": "25",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -11957,7 +11957,7 @@
                         "default": "25",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -11998,7 +11998,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -12012,7 +12012,7 @@
                         "default": "-1",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -12023,7 +12023,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GDateTime",
                         "writable": true
@@ -12035,7 +12035,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "%%F %%T",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -12049,7 +12049,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -12063,7 +12063,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -12075,7 +12075,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -12087,7 +12087,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -12099,7 +12099,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -12111,7 +12111,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "left (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayHAlign",
                         "writable": true
@@ -12123,7 +12123,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "center (1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayLineAlign",
                         "writable": true
@@ -12137,7 +12137,7 @@
                         "default": "-16777216",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -12149,7 +12149,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayScaleMode",
                         "writable": true
@@ -12163,7 +12163,7 @@
                         "default": "1/1",
                         "max": "100/1",
                         "min": "1/100",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFraction",
                         "writable": true
@@ -12175,7 +12175,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -12189,7 +12189,7 @@
                         "default": "80",
                         "max": "255",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -12201,7 +12201,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -12213,7 +12213,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -12225,7 +12225,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -12239,7 +12239,7 @@
                         "default": "1",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": false
@@ -12253,7 +12253,7 @@
                         "default": "1",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": false
@@ -12267,7 +12267,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483647",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": false
@@ -12281,7 +12281,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483647",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": false
@@ -12293,7 +12293,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "buffer-time (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstTimeOverlayTimeLine",
                         "writable": true
@@ -12305,7 +12305,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "top (2)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayVAlign",
                         "writable": true
@@ -12317,7 +12317,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -12329,7 +12329,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -12341,7 +12341,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "wordchar (2)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstBaseTextOverlayWrapMode",
                         "writable": true
@@ -12355,7 +12355,7 @@
                         "default": "0.5",
                         "max": "1.79769e+308",
                         "min": "-1.79769e+308",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -12369,7 +12369,7 @@
                         "default": "25",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -12383,7 +12383,7 @@
                         "default": "0.5",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -12397,7 +12397,7 @@
                         "default": "0.5",
                         "max": "1.79769e+308",
                         "min": "-1.79769e+308",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -12411,7 +12411,7 @@
                         "default": "25",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -12425,7 +12425,7 @@
                         "default": "0.5",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -12713,7 +12713,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -12725,7 +12725,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "video/x-raw(ANY); audio/x-raw(ANY); text/x-raw(ANY); subpicture/x-dvd; subpicture/x-dvb; subpicture/x-xsub; subpicture/x-pgs; closedcaption/x-cea-608; closedcaption/x-cea-708",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstCaps",
                         "writable": true
@@ -12739,7 +12739,7 @@
                         "default": "0",
                         "max": "18446744073709551",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -12751,7 +12751,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -12763,7 +12763,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -12777,7 +12777,7 @@
                         "default": "99",
                         "max": "100",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -12791,7 +12791,7 @@
                         "default": "10",
                         "max": "100",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -12805,7 +12805,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -12819,7 +12819,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -12833,7 +12833,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -12845,7 +12845,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -12857,7 +12857,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -12868,7 +12868,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstCaps",
                         "writable": true
@@ -12880,7 +12880,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -12892,7 +12892,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -13084,7 +13084,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -13096,7 +13096,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "video/x-raw(ANY); audio/x-raw(ANY); text/x-raw(ANY); subpicture/x-dvd; subpicture/x-dvb; subpicture/x-xsub; subpicture/x-pgs; closedcaption/x-cea-608; closedcaption/x-cea-708",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstCaps",
                         "writable": true
@@ -13108,7 +13108,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -13120,7 +13120,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -13210,7 +13210,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -13224,7 +13224,7 @@
                         "default": "0",
                         "max": "18446744073709551",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -13236,7 +13236,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -13248,7 +13248,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -13259,7 +13259,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstCaps",
                         "writable": true
@@ -13271,7 +13271,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -13436,7 +13436,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -13447,7 +13447,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -13458,7 +13458,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -13469,7 +13469,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -13481,7 +13481,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -13495,7 +13495,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -13509,7 +13509,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -13523,7 +13523,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -13537,7 +13537,7 @@
                         "default": "0",
                         "max": "18446744073709551",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -13551,7 +13551,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -13563,7 +13563,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": false
@@ -13577,7 +13577,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -13589,7 +13589,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": false
@@ -13603,7 +13603,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -13617,7 +13617,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -13629,7 +13629,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "soft-colorbalance+deinterlace+soft-volume+text+audio+video",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstPlayFlags",
                         "writable": true
@@ -13641,7 +13641,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -13655,7 +13655,7 @@
                         "default": "18446744073709551615",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -13667,7 +13667,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -13679,7 +13679,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -13693,7 +13693,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": false
@@ -13707,7 +13707,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": false
@@ -13721,7 +13721,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": false
@@ -13735,7 +13735,7 @@
                         "default": "0",
                         "max": "4294967295",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -13746,7 +13746,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -13757,7 +13757,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": false
@@ -13769,7 +13769,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -13781,7 +13781,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": false,
                         "type": "gchararray",
                         "writable": true
@@ -13793,7 +13793,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -13807,7 +13807,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -13818,7 +13818,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -13829,7 +13829,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -13841,7 +13841,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -13852,7 +13852,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -13864,7 +13864,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoMultiviewFlags",
                         "writable": true
@@ -13876,7 +13876,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (-1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoMultiviewFramePacking",
                         "writable": true
@@ -13887,7 +13887,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -13898,7 +13898,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -13909,7 +13909,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -13923,7 +13923,7 @@
                         "default": "1",
                         "max": "10",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -14109,7 +14109,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -14120,7 +14120,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14131,7 +14131,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14142,7 +14142,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14154,7 +14154,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -14168,7 +14168,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -14182,7 +14182,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -14196,7 +14196,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -14210,7 +14210,7 @@
                         "default": "0",
                         "max": "18446744073709551",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -14222,7 +14222,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": false
@@ -14234,7 +14234,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": false
@@ -14248,7 +14248,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -14260,7 +14260,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "soft-colorbalance+deinterlace+buffering+soft-volume+text+audio+video",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstPlayFlags",
                         "writable": true
@@ -14272,7 +14272,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -14286,7 +14286,7 @@
                         "default": "18446744073709551615",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -14298,7 +14298,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -14310,7 +14310,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -14324,7 +14324,7 @@
                         "default": "0",
                         "max": "4294967295",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -14335,7 +14335,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -14347,7 +14347,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -14359,7 +14359,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": false,
                         "type": "gchararray",
                         "writable": true
@@ -14371,7 +14371,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -14385,7 +14385,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -14396,7 +14396,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14407,7 +14407,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14419,7 +14419,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -14430,7 +14430,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14442,7 +14442,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoMultiviewFlags",
                         "writable": true
@@ -14454,7 +14454,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (-1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoMultiviewFramePacking",
                         "writable": true
@@ -14465,7 +14465,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14476,7 +14476,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14487,7 +14487,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14501,7 +14501,7 @@
                         "default": "1",
                         "max": "10",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -14602,7 +14602,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -14613,7 +14613,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14624,7 +14624,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14638,7 +14638,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -14650,7 +14650,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "soft-colorbalance+soft-volume+text+audio+video",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstPlayFlags",
                         "writable": true
@@ -14662,7 +14662,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -14674,7 +14674,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -14686,7 +14686,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -14697,7 +14697,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -14709,7 +14709,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "default (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstPlaySinkSendEventMode",
                         "writable": true
@@ -14721,7 +14721,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -14733,7 +14733,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": false,
                         "type": "gchararray",
                         "writable": true
@@ -14747,7 +14747,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -14758,7 +14758,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14769,7 +14769,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14780,7 +14780,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14791,7 +14791,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": true
@@ -14805,7 +14805,7 @@
                         "default": "1",
                         "max": "10",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -14926,7 +14926,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -14938,7 +14938,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -14950,7 +14950,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -14962,7 +14962,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -14974,7 +14974,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -14988,7 +14988,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -15027,7 +15027,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15041,7 +15041,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -15055,7 +15055,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -15067,7 +15067,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "video/x-raw(ANY); audio/x-raw(ANY); text/x-raw(ANY); subpicture/x-dvd; subpicture/x-dvb; subpicture/x-xsub; subpicture/x-pgs; closedcaption/x-cea-608; closedcaption/x-cea-708",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstCaps",
                         "writable": true
@@ -15081,7 +15081,7 @@
                         "default": "0",
                         "max": "18446744073709551",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -15093,7 +15093,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15105,7 +15105,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15117,7 +15117,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15129,7 +15129,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15143,7 +15143,7 @@
                         "default": "0",
                         "max": "4294967295",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -15154,7 +15154,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": false
@@ -15166,7 +15166,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -15178,7 +15178,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -15190,7 +15190,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15382,7 +15382,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15396,7 +15396,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -15410,7 +15410,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -15422,7 +15422,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "video/x-raw(ANY); audio/x-raw(ANY); text/x-raw(ANY); subpicture/x-dvd; subpicture/x-dvb; subpicture/x-xsub; subpicture/x-pgs; closedcaption/x-cea-608; closedcaption/x-cea-708",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstCaps",
                         "writable": true
@@ -15436,7 +15436,7 @@
                         "default": "0",
                         "max": "18446744073709551",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -15448,7 +15448,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": false
@@ -15460,7 +15460,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": false
@@ -15472,7 +15472,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15484,7 +15484,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15496,7 +15496,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15510,7 +15510,7 @@
                         "default": "0",
                         "max": "4294967295",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -15521,7 +15521,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": false
@@ -15533,7 +15533,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -15545,7 +15545,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -15557,7 +15557,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15652,7 +15652,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15666,7 +15666,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -15680,7 +15680,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -15694,7 +15694,7 @@
                         "default": "0",
                         "max": "18446744073709551",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -15706,7 +15706,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15720,7 +15720,7 @@
                         "default": "0.99",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -15734,7 +15734,7 @@
                         "default": "0.01",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -15746,7 +15746,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -15760,7 +15760,7 @@
                         "default": "0",
                         "max": "4294967295",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -15771,7 +15771,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstElement",
                         "writable": false
@@ -15783,7 +15783,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "application/x-urisourcebin-stats, minimum-byte-level=(uint)0, maximum-byte-level=(uint)0, average-byte-level=(uint)0, minimum-time-level=(guint64)0, maximum-time-level=(guint64)0, average-time-level=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -15795,7 +15795,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -15807,7 +15807,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16013,7 +16013,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GValueArray",
                         "writable": true
@@ -16025,7 +16025,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16037,7 +16037,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "pcm (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstRawAudioParseFormat",
                         "writable": true
@@ -16049,7 +16049,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16063,7 +16063,7 @@
                         "default": "2",
                         "max": "2147483647",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -16075,7 +16075,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "s16le (4)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstAudioFormat",
                         "writable": true
@@ -16089,7 +16089,7 @@
                         "default": "44100",
                         "max": "2147483647",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -16101,7 +16101,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16143,7 +16143,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": false,
                         "type": "gchararray",
                         "writable": true
@@ -16155,7 +16155,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16167,7 +16167,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "i420 (2)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoFormat",
                         "writable": true
@@ -16181,7 +16181,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -16195,7 +16195,7 @@
                         "default": "25/1",
                         "max": "2147483647/1",
                         "min": "0/1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFraction",
                         "writable": true
@@ -16209,7 +16209,7 @@
                         "default": "240",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -16221,7 +16221,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16235,7 +16235,7 @@
                         "default": "1/1",
                         "max": "100/1",
                         "min": "1/100",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFraction",
                         "writable": true
@@ -16246,7 +16246,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstValueArray",
                         "writable": true
@@ -16257,7 +16257,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstValueArray",
                         "writable": true
@@ -16269,7 +16269,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16281,7 +16281,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16295,7 +16295,7 @@
                         "default": "320",
                         "max": "2147483647",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -16339,7 +16339,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16351,7 +16351,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16395,7 +16395,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16407,7 +16407,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16506,7 +16506,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -16520,7 +16520,7 @@
                         "default": "24000/1001",
                         "max": "2147483647/1",
                         "min": "0/1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFraction",
                         "writable": true
@@ -16569,7 +16569,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16583,7 +16583,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -16597,7 +16597,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -16611,7 +16611,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -16625,7 +16625,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": false
@@ -16639,7 +16639,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -16651,7 +16651,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "undefined (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFormat",
                         "writable": true
@@ -16665,7 +16665,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -16679,7 +16679,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -16693,7 +16693,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -16707,7 +16707,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -16719,7 +16719,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16731,7 +16731,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16742,7 +16742,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -16756,7 +16756,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -16770,7 +16770,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -16784,7 +16784,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": false
@@ -16798,7 +16798,7 @@
                         "default": "20000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -16810,7 +16810,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16824,7 +16824,7 @@
                         "default": "-1",
                         "max": "63",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -16836,7 +16836,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstMultiHandleSinkRecoverPolicy",
                         "writable": true
@@ -16850,7 +16850,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -16862,7 +16862,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16874,7 +16874,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "application/x-gst-base-sink-stats, average-rate=(double)0, dropped=(guint64)0, rendered=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -16886,7 +16886,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -16898,7 +16898,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "latest (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstMultiHandleSinkSyncMethod",
                         "writable": true
@@ -16912,7 +16912,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -16926,7 +16926,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -16940,7 +16940,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -16954,7 +16954,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -16966,7 +16966,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "buffers (4)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFormat",
                         "writable": true
@@ -16980,7 +16980,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -16994,7 +16994,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -17148,7 +17148,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -17162,7 +17162,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -17176,7 +17176,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -17190,7 +17190,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -17204,7 +17204,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": false
@@ -17218,7 +17218,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -17230,7 +17230,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "undefined (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFormat",
                         "writable": true
@@ -17244,7 +17244,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -17258,7 +17258,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -17272,7 +17272,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -17286,7 +17286,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -17298,7 +17298,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -17309,7 +17309,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -17323,7 +17323,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -17337,7 +17337,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -17351,7 +17351,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": false
@@ -17365,7 +17365,7 @@
                         "default": "20000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -17377,7 +17377,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -17391,7 +17391,7 @@
                         "default": "-1",
                         "max": "63",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -17403,7 +17403,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstMultiHandleSinkRecoverPolicy",
                         "writable": true
@@ -17417,7 +17417,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -17429,7 +17429,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -17441,7 +17441,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -17453,7 +17453,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -17465,7 +17465,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "application/x-gst-base-sink-stats, average-rate=(double)0, dropped=(guint64)0, rendered=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -17477,7 +17477,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -17489,7 +17489,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "latest (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstMultiHandleSinkSyncMethod",
                         "writable": true
@@ -17503,7 +17503,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -17517,7 +17517,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -17531,7 +17531,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -17545,7 +17545,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -17557,7 +17557,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "buffers (4)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFormat",
                         "writable": true
@@ -17571,7 +17571,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -17585,7 +17585,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -17741,7 +17741,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -17752,7 +17752,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstCaps",
                         "writable": true
@@ -17764,7 +17764,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -17778,7 +17778,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -17790,7 +17790,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -17801,7 +17801,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GSocket",
                         "writable": true
@@ -17813,7 +17813,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -17856,7 +17856,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -17870,7 +17870,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -17882,7 +17882,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -17894,7 +17894,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "localhost",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -17905,7 +17905,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -17919,7 +17919,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -17933,7 +17933,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -17947,7 +17947,7 @@
                         "default": "4953",
                         "max": "65535",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -17961,7 +17961,7 @@
                         "default": "20000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -17973,7 +17973,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -17987,7 +17987,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -17999,7 +17999,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "application/x-gst-base-sink-stats, average-rate=(double)0, dropped=(guint64)0, rendered=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -18011,7 +18011,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -18025,7 +18025,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -18039,7 +18039,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -18078,7 +18078,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -18090,7 +18090,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -18102,7 +18102,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "localhost",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -18116,7 +18116,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -18130,7 +18130,7 @@
                         "default": "4953",
                         "max": "65535",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -18142,7 +18142,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "GstTCPClientSrcStats, bytes-received=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -18156,7 +18156,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -18168,7 +18168,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -18206,7 +18206,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -18220,7 +18220,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -18234,7 +18234,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -18248,7 +18248,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -18262,7 +18262,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": false
@@ -18276,7 +18276,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -18288,7 +18288,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "undefined (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFormat",
                         "writable": true
@@ -18302,7 +18302,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -18316,7 +18316,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -18330,7 +18330,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -18344,7 +18344,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -18358,7 +18358,7 @@
                         "default": "0",
                         "max": "65535",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": false
@@ -18370,7 +18370,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -18382,7 +18382,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "localhost",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -18393,7 +18393,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -18407,7 +18407,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -18421,7 +18421,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -18435,7 +18435,7 @@
                         "default": "0",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": false
@@ -18449,7 +18449,7 @@
                         "default": "4953",
                         "max": "65535",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -18463,7 +18463,7 @@
                         "default": "20000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -18475,7 +18475,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -18489,7 +18489,7 @@
                         "default": "-1",
                         "max": "63",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -18501,7 +18501,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstMultiHandleSinkRecoverPolicy",
                         "writable": true
@@ -18515,7 +18515,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -18527,7 +18527,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -18539,7 +18539,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -18551,7 +18551,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -18563,7 +18563,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "application/x-gst-base-sink-stats, average-rate=(double)0, dropped=(guint64)0, rendered=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -18575,7 +18575,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -18587,7 +18587,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "latest (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstMultiHandleSinkSyncMethod",
                         "writable": true
@@ -18601,7 +18601,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -18615,7 +18615,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -18629,7 +18629,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -18643,7 +18643,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -18655,7 +18655,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "buffers (4)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstFormat",
                         "writable": true
@@ -18669,7 +18669,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -18683,7 +18683,7 @@
                         "default": "18446744073709551615",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -18839,7 +18839,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -18853,7 +18853,7 @@
                         "default": "0",
                         "max": "65535",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": false
@@ -18865,7 +18865,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -18877,7 +18877,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "localhost",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -18891,7 +18891,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -18905,7 +18905,7 @@
                         "default": "4953",
                         "max": "65535",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -18917,7 +18917,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "GstTCPServerSrcStats, bytes-received=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -18929,7 +18929,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19083,7 +19083,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19185,7 +19185,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19197,7 +19197,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19209,7 +19209,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19221,7 +19221,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19235,7 +19235,7 @@
                         "default": "64",
                         "max": "32768",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -19249,7 +19249,7 @@
                         "default": "64",
                         "max": "32768",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -19263,7 +19263,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -19275,7 +19275,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -19287,7 +19287,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "single-pass (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstTheoraEncMultipassMode",
                         "writable": true
@@ -19299,7 +19299,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19327,7 +19327,7 @@
                         "default": "0",
                         "max": "1000",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -19341,7 +19341,7 @@
                         "default": "1",
                         "max": "3",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -19353,7 +19353,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19465,7 +19465,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "copy (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoAlphaMode",
                         "writable": true
@@ -19479,7 +19479,7 @@
                         "default": "1",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -19491,7 +19491,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "full (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoChromaMode",
                         "writable": true
@@ -19503,7 +19503,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "linear (1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoResamplerMethod",
                         "writable": true
@@ -19515,7 +19515,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "bayer (4)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoDitherMethod",
                         "writable": true
@@ -19529,7 +19529,7 @@
                         "default": "1",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -19541,7 +19541,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoGammaMode",
                         "writable": true
@@ -19553,7 +19553,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "full (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoMatrixMode",
                         "writable": true
@@ -19567,7 +19567,7 @@
                         "default": "1",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -19579,7 +19579,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "none (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoPrimariesMode",
                         "writable": true
@@ -19591,7 +19591,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19646,7 +19646,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -19660,7 +19660,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -19672,7 +19672,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19686,7 +19686,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -19700,7 +19700,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -19714,7 +19714,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -19728,7 +19728,7 @@
                         "default": "2147483647",
                         "max": "2147483647",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -19742,7 +19742,7 @@
                         "default": "1",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -19756,7 +19756,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -19768,7 +19768,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19794,7 +19794,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19806,7 +19806,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19860,7 +19860,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19872,7 +19872,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19886,7 +19886,7 @@
                         "default": "2",
                         "max": "5",
                         "min": "1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -19898,7 +19898,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19910,7 +19910,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "bilinear (1)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoScaleMethod",
                         "writable": true
@@ -19924,7 +19924,7 @@
                         "default": "1",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -19936,7 +19936,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -19950,7 +19950,7 @@
                         "default": "0",
                         "max": "1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -19964,7 +19964,7 @@
                         "default": "1",
                         "max": "1.5",
                         "min": "0.5",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -20069,7 +20069,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "frames (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoTestSrcAnimationMode",
                         "writable": true
@@ -20083,7 +20083,7 @@
                         "default": "-16777216",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -20097,7 +20097,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -20109,7 +20109,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -20121,7 +20121,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -20135,7 +20135,7 @@
                         "default": "-1",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -20149,7 +20149,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20161,7 +20161,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -20175,7 +20175,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20189,7 +20189,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20203,7 +20203,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20217,7 +20217,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20231,7 +20231,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20245,7 +20245,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20259,7 +20259,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20273,7 +20273,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20287,7 +20287,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20301,7 +20301,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20313,7 +20313,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "wavy (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoTestSrcMotionType",
                         "writable": true
@@ -20327,7 +20327,7 @@
                         "default": "-1",
                         "max": "2147483647",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20339,7 +20339,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "smpte (0)",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstVideoTestSrcPattern",
                         "writable": true
@@ -20353,7 +20353,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -20365,7 +20365,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -20379,7 +20379,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20393,7 +20393,7 @@
                         "default": "0",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20621,7 +20621,7 @@
                         "construct-only": false,
                         "controllable": true,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -20633,7 +20633,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -20647,7 +20647,7 @@
                         "default": "1",
                         "max": "10",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gdouble",
                         "writable": true
@@ -20702,7 +20702,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -20714,7 +20714,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -20728,7 +20728,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -20775,7 +20775,7 @@
                         "default": "-1",
                         "max": "250001",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20787,7 +20787,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -20799,7 +20799,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": false
@@ -20811,7 +20811,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -20823,7 +20823,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": false
@@ -20837,7 +20837,7 @@
                         "default": "-1",
                         "max": "250001",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20851,7 +20851,7 @@
                         "default": "-1",
                         "max": "250001",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -20863,7 +20863,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -20877,7 +20877,7 @@
                         "default": "0.3",
                         "max": "1",
                         "min": "-0.1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gfloat",
                         "writable": true
@@ -20891,7 +20891,7 @@
                         "default": "40000000",
                         "max": "9223372036854775807",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -21000,7 +21000,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21014,7 +21014,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -21026,7 +21026,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -21038,7 +21038,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21050,7 +21050,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21062,7 +21062,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21074,7 +21074,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21085,7 +21085,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -21099,7 +21099,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -21113,7 +21113,7 @@
                         "default": "5000000",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -21125,7 +21125,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -21139,7 +21139,7 @@
                         "default": "15000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -21151,7 +21151,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21165,7 +21165,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -21177,7 +21177,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21189,7 +21189,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "application/x-gst-base-sink-stats, average-rate=(double)0, dropped=(guint64)0, rendered=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -21201,7 +21201,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21213,7 +21213,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21227,7 +21227,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -21241,7 +21241,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -21255,7 +21255,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -21269,7 +21269,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -21323,7 +21323,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21335,7 +21335,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21349,7 +21349,7 @@
                         "default": "4096",
                         "max": "-1",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint",
                         "writable": true
@@ -21363,7 +21363,7 @@
                         "default": "0",
                         "max": "1000",
                         "min": "-1000",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -21377,7 +21377,7 @@
                         "default": "526352",
                         "max": "2147483647",
                         "min": "-2147483648",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -21391,7 +21391,7 @@
                         "default": "0",
                         "max": "1000",
                         "min": "-1000",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -21403,7 +21403,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -21415,7 +21415,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": false
@@ -21427,7 +21427,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -21439,7 +21439,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21451,7 +21451,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21463,7 +21463,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21475,7 +21475,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21487,7 +21487,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21499,7 +21499,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21513,7 +21513,7 @@
                         "default": "0",
                         "max": "1000",
                         "min": "-1000",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -21524,7 +21524,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstSample",
                         "writable": false
@@ -21538,7 +21538,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -21552,7 +21552,7 @@
                         "default": "5000000",
                         "max": "9223372036854775807",
                         "min": "-1",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -21564,7 +21564,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "NULL",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gchararray",
                         "writable": true
@@ -21578,7 +21578,7 @@
                         "default": "15000000",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -21590,7 +21590,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21604,7 +21604,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -21615,7 +21615,7 @@
                         "construct": false,
                         "construct-only": false,
                         "controllable": false,
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": false,
                         "type": "GstValueArray",
                         "writable": true
@@ -21629,7 +21629,7 @@
                         "default": "0",
                         "max": "1000",
                         "min": "-1000",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint",
                         "writable": true
@@ -21641,7 +21641,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21653,7 +21653,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "application/x-gst-base-sink-stats, average-rate=(double)0, dropped=(guint64)0, rendered=(guint64)0;",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "GstStructure",
                         "writable": false
@@ -21665,7 +21665,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "true",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21677,7 +21677,7 @@
                         "construct-only": false,
                         "controllable": false,
                         "default": "false",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gboolean",
                         "writable": true
@@ -21691,7 +21691,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": true
@@ -21705,7 +21705,7 @@
                         "default": "0",
                         "max": "9223372036854775807",
                         "min": "-9223372036854775808",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "gint64",
                         "writable": true
@@ -21719,7 +21719,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
@@ -21733,7 +21733,7 @@
                         "default": "0",
                         "max": "18446744073709551615",
                         "min": "0",
-                        "mutable": "playing",
+                        "mutable": "null",
                         "readable": true,
                         "type": "guint64",
                         "writable": false
Domain: Multimedia / Media Common;