From: Gilbok Lee <gilbok.lee@samsung.com>
Date: Wed, 24 Nov 2021 00:33:17 +0000 (+0900)
Subject: subparse: Send custom event for fragment_timestamp
X-Git-Tag: accepted/tizen/unified/20220217.153506~2^2~10^2~9^2~16^2~1^2~2
X-Git-Url: http://review.tizen.org/git/?p=platform%2Fupstream%2Fgstreamer.git;a=commitdiff_plain;h=5b2d588fd78a32dabc0f1550bb5b8a5821e947ac

subparse: Send custom event for fragment_timestamp

- If there is no buffer in case of discontinuous,
  do not send reference timestamp.
- related commit: d4e6aa89f86efbc9cc665f2ee123a33015f1449a
  'subparse: Add reference timestamp meta in GstBuffer for HLS webvtt' commit

Change-Id: Id98697ba6db1dc94b4ce4f753670524f6fcf506e
---

diff --git a/gst/subparse/gstsubparse.c b/gst/subparse/gstsubparse.c
index c807814..3668d5d 100644
--- a/gst/subparse/gstsubparse.c
+++ b/gst/subparse/gstsubparse.c
@@ -1140,6 +1140,24 @@ send_timestamp_map_event (GstSubParse * self)
           "mpegts", G_TYPE_UINT64, mpegts, NULL));
   gst_pad_push_event (self->srcpad, event);
 }
+
+static void
+send_fragment_timestamp_event (GstSubParse * self, GstClockTime timestamp)
+{
+  GstEvent *event = NULL;
+
+  if (!GST_CLOCK_TIME_IS_VALID(timestamp))
+    return;
+
+  GST_LOG ("send fragment_timestamp %" GST_TIME_FORMAT ,
+      GST_TIME_ARGS (timestamp));
+
+  event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM,
+      gst_structure_new ("fragment_timestamp",
+          "timestamp", G_TYPE_UINT64, timestamp, NULL));
+
+  gst_pad_push_event (self->srcpad, event);
+}
 #endif
 
 static gchar *
@@ -1983,7 +2001,7 @@ handle_buffer (GstSubParse * self, GstBuffer * buf)
   GstMessage *m = NULL;
 #endif
 #ifdef TIZEN_FEATURE_HLS_WEBVTT
-  GstClockTime reference_time = GST_CLOCK_TIME_NONE;
+  GstClockTime fragment_timestamp = GST_CLOCK_TIME_NONE;
 #endif
 
   if (self->first_buffer) {
@@ -1999,7 +2017,7 @@ handle_buffer (GstSubParse * self, GstBuffer * buf)
 
 #ifdef TIZEN_FEATURE_HLS_WEBVTT
   if (GST_BUFFER_IS_DISCONT (buf) && GST_BUFFER_PTS_IS_VALID (buf))
-    reference_time = GST_BUFFER_PTS (buf);
+    fragment_timestamp = GST_BUFFER_PTS (buf);
 #endif
 
   feed_textbuf (self, buf);
@@ -2051,6 +2069,10 @@ handle_buffer (GstSubParse * self, GstBuffer * buf)
       gst_pad_push_event (self->srcpad, gst_event_new_tag (tags));
     }
   }
+#ifdef TIZEN_FEATURE_HLS_WEBVTT
+  if (self->parser_type == GST_SUB_PARSE_FORMAT_VTT)
+    send_fragment_timestamp_event (self, fragment_timestamp);
+#endif
 
   while (!self->flushing && (line = get_next_line (self))) {
     guint offset = 0;
@@ -2109,17 +2131,6 @@ handle_buffer (GstSubParse * self, GstBuffer * buf)
       GST_BUFFER_TIMESTAMP (buf) = self->state.start_time;
       GST_BUFFER_DURATION (buf) = self->state.duration;
 
-#ifdef TIZEN_FEATURE_HLS_WEBVTT
-      if ((self->parser_type == GST_SUB_PARSE_FORMAT_VTT)
-          && GST_CLOCK_TIME_IS_VALID (reference_time)) {
-        GstCaps *sink_caps = gst_pad_get_current_caps (self->sinkpad);
-        if (sink_caps) {
-          gst_buffer_add_reference_timestamp_meta (buf, sink_caps,
-              reference_time, GST_CLOCK_TIME_NONE);
-          gst_caps_unref (sink_caps);
-        }
-      }
-#endif
       /* in some cases (e.g. tmplayer) we can only determine the duration
        * of a text chunk from the timestamp of the next text chunk; in those
        * cases, we probably want to limit the duration to something
diff --git a/packaging/gst-plugins-base.spec b/packaging/gst-plugins-base.spec
index 0e816d1..ef82c51 100644
--- a/packaging/gst-plugins-base.spec
+++ b/packaging/gst-plugins-base.spec
@@ -5,7 +5,7 @@
 
 Name:           gst-plugins-base
 Version:        1.16.2
-Release:        20
+Release:        21
 License:        LGPL-2.0+
 Summary:        GStreamer Streaming-Media Framework Plug-Ins
 Url:            http://gstreamer.freedesktop.org/