From af85bd8dbf8816b1c2be23450bd064e857ad1b0e Mon Sep 17 00:00:00 2001
From: Alexander Saprykin <xelfium@gmail.com>
Date: Wed, 14 Mar 2012 20:41:48 +0400
Subject: [PATCH] Add new TOC message

---
 gst/gstmessage.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 gst/gstmessage.h |  7 +++++++
 2 files changed, 66 insertions(+)

diff --git a/gst/gstmessage.c b/gst/gstmessage.c
index 423ebc2..b7fec38 100644
--- a/gst/gstmessage.c
+++ b/gst/gstmessage.c
@@ -113,6 +113,7 @@ static GstMessageQuarks message_quarks[] = {
   {GST_MESSAGE_STEP_START, "step-start", 0},
   {GST_MESSAGE_QOS, "qos", 0},
   {GST_MESSAGE_PROGRESS, "progress", 0},
+  {GST_MESSAGE_TOC, "toc", 0},
   {0, NULL, 0}
 };
 
@@ -2154,3 +2155,61 @@ gst_message_parse_progress (GstMessage * message, GstProgressType * type,
       GST_QUARK (CODE), G_TYPE_STRING, code,
       GST_QUARK (TEXT), G_TYPE_STRING, text, NULL);
 }
+
+/**
+ * gst_message_new_toc:
+ * @src: the object originating the message.
+ * @toc: #GstToc structure for the message.
+ * @updated: whether TOC was updated or not.
+ *
+ * Create a new TOC message. The message is posted by elements
+ * that discovered or updated a TOC.
+ *
+ * Returns: a new TOC message.
+ *
+ * MT safe.
+ *
+ * Since: 0.10.37
+ */
+GstMessage *
+gst_message_new_toc (GstObject * src, GstToc * toc, gboolean updated)
+{
+  GstStructure *toc_struct;
+
+  g_return_val_if_fail (toc != NULL, NULL);
+
+  toc_struct = _gst_toc_to_structure (toc);
+
+  if (G_LIKELY (toc_struct != NULL)) {
+    _gst_toc_structure_set_updated (toc_struct, updated);
+    return gst_message_new_custom (GST_MESSAGE_TOC, src, toc_struct);
+  } else
+    return NULL;
+}
+
+/**
+ * gst_message_parse_toc:
+ * @message: a valid #GstMessage of type GST_MESSAGE_TOC.
+ * @toc: (out): return location for the TOC.
+ * @updated: (out): return location for the updated flag.
+ *
+ * Extract the TOC from the #GstMessage. The TOC returned in the
+ * output argument is a copy; the caller must free it with
+ * gst_toc_free() when done.
+ *
+ * MT safe.
+ *
+ * Since: 0.10.37
+ */
+void
+gst_message_parse_toc (GstMessage * message, GstToc ** toc, gboolean * updated)
+{
+  g_return_if_fail (GST_IS_MESSAGE (message));
+  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_TOC);
+  g_return_if_fail (toc != NULL);
+
+  *toc = _gst_toc_from_structure (message->structure);
+
+  if (updated != NULL)
+    *updated = _gst_toc_structure_get_updated (message->structure);
+}
diff --git a/gst/gstmessage.h b/gst/gstmessage.h
index f0fcc7a..ae5fc19 100644
--- a/gst/gstmessage.h
+++ b/gst/gstmessage.h
@@ -89,6 +89,8 @@ typedef struct _GstMessageClass GstMessageClass;
  * @GST_MESSAGE_QOS: A buffer was dropped or an element changed its processing
  * strategy for Quality of Service reasons. Since: 0.10.29
  * @GST_MESSAGE_PROGRESS: A progress message. Since: 0.10.33
+ * @GST_MESSAGE_TOC: A new table of contents (TOC) was found or previously found TOC
+ * was updated. Since: 0.10.37
  * @GST_MESSAGE_ANY: mask for all of the above messages.
  *
  * The different message types that are available.
@@ -125,6 +127,7 @@ typedef enum
   GST_MESSAGE_STEP_START        = (1 << 23),
   GST_MESSAGE_QOS               = (1 << 24),
   GST_MESSAGE_PROGRESS          = (1 << 25),
+  GST_MESSAGE_TOC               = (1 << 26),
   GST_MESSAGE_ANY               = ~0
 } GstMessageType;
 
@@ -133,6 +136,7 @@ typedef enum
 #include <gst/gstelement.h>
 #include <gst/gsttaglist.h>
 #include <gst/gststructure.h>
+#include <gst/gsttoc.h>
 
 /**
  * GST_MESSAGE_TRACE_NAME:
@@ -522,6 +526,9 @@ GstMessage *    gst_message_new_progress           (GstObject * src, GstProgress
 void            gst_message_parse_progress         (GstMessage * message, GstProgressType * type, gchar ** code,
                                                     gchar ** text);
 
+/* TOC */
+GstMessage *    gst_message_new_toc             (GstObject *src, GstToc *toc, gboolean updated);
+void            gst_message_parse_toc           (GstMessage *message, GstToc **toc, gboolean *updated);
 
 /* custom messages */
 GstMessage *    gst_message_new_custom          (GstMessageType type,
-- 
2.7.4