avdemux: Add support for group-id in the stream-start event

This commit is contained in:
Sebastian Dröge 2013-07-23 09:59:43 +02:00
parent b131dadd9c
commit 9b2577ea2b

View file

@ -61,6 +61,9 @@ struct _GstFFMpegDemux
/* We need to keep track of our pads, so we do so here. */
GstPad *sinkpad;
gboolean have_group_id;
guint group_id;
AVFormatContext *context;
gboolean opened;
@ -264,6 +267,9 @@ gst_ffmpegdemux_init (GstFFMpegDemux * demux)
g_rec_mutex_init (&demux->task_lock);
gst_task_set_lock (demux->task, &demux->task_lock);
demux->have_group_id = FALSE;
demux->group_id = G_MAXUINT;
demux->opened = FALSE;
demux->context = NULL;
@ -925,6 +931,7 @@ gst_ffmpegdemux_get_stream (GstFFMpegDemux * demux, AVStream * avstream)
const gchar *codec;
AVCodecContext *ctx;
GstFFStream *stream;
GstEvent *event;
gchar *stream_id;
ctx = avstream->codec;
@ -1004,7 +1011,23 @@ gst_ffmpegdemux_get_stream (GstFFMpegDemux * demux, AVStream * avstream)
stream_id =
gst_pad_create_stream_id_printf (pad, GST_ELEMENT_CAST (demux), "%03u",
avstream->index);
gst_pad_push_event (pad, gst_event_new_stream_start (stream_id));
event = gst_pad_get_sticky_event (demux->sinkpad, GST_EVENT_STREAM_START, 0);
if (event) {
if (gst_event_parse_group_id (event, &demux->group_id))
demux->have_group_id = TRUE;
else
demux->have_group_id = FALSE;
gst_event_unref (event);
} else if (!demux->have_group_id) {
demux->have_group_id = TRUE;
demux->group_id = gst_util_group_id_next ();
}
event = gst_event_new_stream_start (stream_id);
if (demux->have_group_id)
gst_event_set_group_id (event, demux->group_id);
gst_pad_push_event (pad, event);
g_free (stream_id);
GST_INFO_OBJECT (pad, "adding pad with caps %" GST_PTR_FORMAT, caps);
@ -1854,6 +1877,8 @@ gst_ffmpegdemux_change_state (GstElement * element, GstStateChange transition)
NULL);
g_list_free (demux->cached_events);
demux->cached_events = NULL;
demux->have_group_id = FALSE;
demux->group_id = G_MAXUINT;
break;
default:
break;