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flvdemux: Only set caps once if they don't change

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Previously we were setting new caps with the same content for every H264 or
AAC codec_data we found in the stream, spamming everything and causing
renegotiations.
This commit is contained in:
Sebastian Dröge 2015-03-24 16:18:53 +01:00
parent c9b42951fe
commit ac0141b6a0
1 changed files with 38 additions and 20 deletions
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58
gst/flv/gstflvdemux.c
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@ -663,7 +663,7 @@ static gboolean
gst_flv_demux_audio_negotiate (GstFlvDemux * demux, guint32 codec_tag,
guint32 rate, guint32 channels, guint32 width)
{
GstCaps *caps = NULL;
GstCaps *caps = NULL, *old_caps;
gchar *codec_name = NULL;
gboolean ret = FALSE;
guint adjusted_rate = rate;
@ -814,17 +814,25 @@ gst_flv_demux_audio_negotiate (GstFlvDemux * demux, guint32 codec_tag,
demux->audio_codec_data, NULL);
}
stream_id =
gst_pad_create_stream_id (demux->audio_pad, GST_ELEMENT_CAST (demux),
"audio");
old_caps = gst_pad_get_current_caps (demux->audio_pad);
if (!old_caps) {
stream_id =
gst_pad_create_stream_id (demux->audio_pad, GST_ELEMENT_CAST (demux),
"audio");
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);
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);
}
if (!old_caps || !gst_caps_is_equal (old_caps, caps))
ret = gst_pad_set_caps (demux->audio_pad, caps);
else
ret = TRUE;
ret = gst_pad_set_caps (demux->audio_pad, caps);
if (old_caps)
gst_caps_unref (old_caps);
done:
if (G_LIKELY (ret)) {
@ -1234,7 +1242,7 @@ static gboolean
gst_flv_demux_video_negotiate (GstFlvDemux * demux, guint32 codec_tag)
{
gboolean ret = FALSE;
GstCaps *caps = NULL;
GstCaps *caps = NULL, *old_caps;
gchar *codec_name = NULL;
GstEvent *event;
gchar *stream_id;
@ -1301,16 +1309,26 @@ gst_flv_demux_video_negotiate (GstFlvDemux * demux, guint32 codec_tag)
demux->video_codec_data, NULL);
}
stream_id =
gst_pad_create_stream_id (demux->video_pad, GST_ELEMENT_CAST (demux),
"video");
event = gst_event_new_stream_start (stream_id);
g_free (stream_id);
old_caps = gst_pad_get_current_caps (demux->video_pad);
if (!old_caps) {
stream_id =
gst_pad_create_stream_id (demux->video_pad, GST_ELEMENT_CAST (demux),
"video");
event = gst_event_new_stream_start (stream_id);
g_free (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 (have_group_id (demux))
gst_event_set_group_id (event, demux->group_id);
gst_pad_push_event (demux->video_pad, event);
}
if (!old_caps || !gst_caps_is_equal (old_caps, caps))
ret = gst_pad_set_caps (demux->video_pad, caps);
else
ret = TRUE;
if (old_caps)
gst_caps_unref (old_caps);
done:
if (G_LIKELY (ret)) {