oggstream: new convenience function to get a stream's media type

This will make logging a lot clearer, both in code and in output.

https://bugzilla.gnome.org/show_bug.cgi?id=656775

2 files changed, 14 insertions, 0 deletions

diff --git a/ext/ogg/gstoggstream.c b/ext/ogg/gstoggstream.c
index 5c9ae296a..1b859a2b2 100644
--- a/ext/ogg/gstoggstream.c
+++ b/ext/ogg/gstoggstream.c
@@ -225,6 +225,19 @@ gst_ogg_stream_extract_tags (GstOggStream * pad, ogg_packet * packet)
   mappers[pad->map].extract_tags_func (pad, packet);
 }
 
+const char *
+gst_ogg_stream_get_media_type (GstOggStream * pad)
+{
+  const GstCaps *caps = pad->caps;
+  const GstStructure *structure;
+  if (!caps)
+    return NULL;
+  structure = gst_caps_get_structure (caps, 0);
+  if (!structure)
+    return NULL;
+  return gst_structure_get_name (structure);
+}
+
 /* some generic functions */
 
 static gboolean
diff --git a/ext/ogg/gstoggstream.h b/ext/ogg/gstoggstream.h
index 6f4a3f8c8..d6c4de61c 100644
--- a/ext/ogg/gstoggstream.h
+++ b/ext/ogg/gstoggstream.h
@@ -125,6 +125,7 @@ gboolean gst_ogg_stream_granulepos_is_key_frame (GstOggStream *pad,
 gboolean gst_ogg_stream_packet_is_header (GstOggStream *pad, ogg_packet *packet);
 gint64 gst_ogg_stream_get_packet_duration (GstOggStream * pad, ogg_packet *packet);
 void gst_ogg_stream_extract_tags (GstOggStream * pad, ogg_packet * packet);
+const char *gst_ogg_stream_get_media_type (GstOggStream * pad);
 
 gboolean gst_ogg_map_parse_fisbone (GstOggStream * pad, const guint8 * data, guint size,
     guint32 * serialno, GstOggSkeleton *type);