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

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This commit is contained in:
Sebastian Dröge 2013-07-22 15:22:36 +02:00
parent 6cc16da531
commit 1122698491
2 changed files with 37 additions and 2 deletions
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36
gst/flv/gstflvdemux.c
View file

@ -635,6 +635,26 @@ cleanup:
return ret;
}
static gboolean
have_group_id (GstFlvDemux * demux)
{
GstEvent *event;
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 ();
}
return demux->have_group_id;
}
static gboolean
gst_flv_demux_audio_negotiate (GstFlvDemux * demux, guint32 codec_tag,
guint32 rate, guint32 channels, guint32 width)
@ -643,6 +663,7 @@ gst_flv_demux_audio_negotiate (GstFlvDemux * demux, guint32 codec_tag,
gchar *codec_name = NULL;
gboolean ret = FALSE;
guint adjusted_rate = rate;
GstEvent *event;
gchar *stream_id;
switch (codec_tag) {
@ -786,7 +807,11 @@ gst_flv_demux_audio_negotiate (GstFlvDemux * demux, guint32 codec_tag,
stream_id =
gst_pad_create_stream_id (demux->audio_pad, GST_ELEMENT_CAST (demux),
"audio");
gst_pad_push_event (demux->audio_pad, gst_event_new_stream_start (stream_id));
event = gst_event_new_stream_start (stream_id);
if (have_group_id (demux))
gst_event_set_group_id (event, demux->group_id);
gst_pad_push_event (demux->audio_pad, event);
g_free (stream_id);
ret = gst_pad_set_caps (demux->audio_pad, caps);
@ -1178,6 +1203,7 @@ gst_flv_demux_video_negotiate (GstFlvDemux * demux, guint32 codec_tag)
gboolean ret = FALSE;
GstCaps *caps = NULL;
gchar *codec_name = NULL;
GstEvent *event;
gchar *stream_id;
/* Generate caps for that pad */
@ -1240,7 +1266,10 @@ gst_flv_demux_video_negotiate (GstFlvDemux * demux, guint32 codec_tag)
stream_id =
gst_pad_create_stream_id (demux->video_pad, GST_ELEMENT_CAST (demux),
"video");
gst_pad_push_event (demux->video_pad, gst_event_new_stream_start (stream_id));
event = gst_event_new_stream_start (stream_id);
if (have_group_id (demux))
gst_event_set_group_id (event, demux->group_id);
gst_pad_push_event (demux->video_pad, event);
ret = gst_pad_set_caps (demux->video_pad, caps);
if (G_LIKELY (ret)) {
@ -1768,6 +1797,9 @@ gst_flv_demux_cleanup (GstFlvDemux * demux)
demux->state = FLV_STATE_HEADER;
demux->have_group_id = FALSE;
demux->group_id = G_MAXUINT;
demux->flushing = FALSE;
demux->need_header = TRUE;
demux->audio_need_segment = TRUE;

3
gst/flv/gstflvdemux.h
View file

@ -59,6 +59,9 @@ struct _GstFlvDemux
GstPad *audio_pad;
GstPad *video_pad;
gboolean have_group_id;
guint group_id;
/* <private> */
GstIndex *index;