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ext/ffmpeg/gstffmpegdec.c: Flush on DISCONT because ffmpeg does not reliably tell us about keyframes.

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Original commit message from CVS:
* ext/ffmpeg/gstffmpegdec.c: (gst_ffmpegdec_video_frame),
(gst_ffmpegdec_chain):
Flush on DISCONT because ffmpeg does not reliably tell us about
keyframes.
This commit is contained in:
Wim Taymans 2008-01-18 14:50:46 +00:00
parent 1f8557e203
commit c0bed4bd8d
2 changed files with 17 additions and 5 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2008-01-18 Wim Taymans <wim.taymans@collabora.co.uk>
* ext/ffmpeg/gstffmpegdec.c: (gst_ffmpegdec_video_frame),
(gst_ffmpegdec_chain):
Flush on DISCONT because ffmpeg does not reliably tell us about
keyframes.
2008-01-18 Wim Taymans <wim.taymans@collabora.co.uk>
* ext/ffmpeg/gstffmpegdec.c: (gst_ffmpegdec_init),

15
ext/ffmpeg/gstffmpegdec.c
View file

@ -1343,10 +1343,6 @@ gst_ffmpegdec_video_frame (GstFFMpegDec * ffmpegdec,
/* check if we are dealing with a keyframe here */
iskeyframe = check_keyframe (ffmpegdec);
if (iskeyframe) {
*ret = flush_queued (ffmpegdec);
}
/* when we're waiting for a keyframe, see if we have one or drop the current
* non-keyframe */
if (G_UNLIKELY (ffmpegdec->waiting_for_key)) {
@ -1910,23 +1906,32 @@ gst_ffmpegdec_chain (GstPad * pad, GstBuffer * inbuf)
gint size, bsize, len, have_data;
GstFlowReturn ret = GST_FLOW_OK;
GstClockTime in_timestamp, in_duration;
gboolean discont;
ffmpegdec = (GstFFMpegDec *) (GST_PAD_PARENT (pad));
if (G_UNLIKELY (!ffmpegdec->opened))
goto not_negotiated;
discont = GST_BUFFER_IS_DISCONT (inbuf);
/* The discont flags marks a buffer that is not continuous with the previous
* buffer. This means we need to clear whatever data we currently have. We
* currently also wait for a new keyframe, which might be suboptimal in the
* case of a network error, better show the errors than to drop all data.. */
if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (inbuf, GST_BUFFER_FLAG_DISCONT))) {
if (G_UNLIKELY (discont)) {
GST_DEBUG_OBJECT (ffmpegdec, "received DISCONT");
gst_ffmpegdec_flush_pcache (ffmpegdec);
avcodec_flush_buffers (ffmpegdec->context);
ffmpegdec->waiting_for_key = TRUE;
ffmpegdec->discont = TRUE;
ffmpegdec->next_ts = GST_CLOCK_TIME_NONE;
/* flush on discont */
if (ffmpegdec->segment.rate < 0.0) {
/* flush out queued reverse frames */
ret = flush_queued (ffmpegdec);
}
}
oclass = (GstFFMpegDecClass *) (G_OBJECT_GET_CLASS (ffmpegdec));