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qtdemux: push buffers after segment stop until reaching a keyframe

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This should make decoders able to precisely push buffers until the stop
time in case they need the next keyframe to do it.

Also, according to gst_segment_clip, it should only push a buffer that
the starting ts is strictly smaller than the segment stop, so we change
the min < comparison for <=
This commit is contained in:
Thiago Santos 2013-08-27 17:33:40 -03:00
parent 73acdf4cc2
commit 9549289a18
1 changed files with 12 additions and 2 deletions
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14
gst/isomp4/qtdemux.c
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@ -206,6 +206,10 @@ struct _QtDemuxStream
gboolean new_caps;
gboolean new_stream; /* signals that a stream_start is required */
gboolean on_keyframe; /* if this stream last pushed buffer was a
* keyframe. This is important to identify
* where to stop pushing buffers after a
* segment stop time */
/* if the stream has a redirect URI in its headers, we store it here */
gchar *redirect_uri;
@ -4067,8 +4071,13 @@ gst_qtdemux_decorate_and_push_buffer (GstQTDemux * qtdemux,
GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_DISCONT);
}
if (!keyframe)
if (!keyframe) {
GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
stream->on_keyframe = FALSE;
} else {
stream->on_keyframe = TRUE;
}
GST_LOG_OBJECT (qtdemux,
"Pushing buffer with dts %" GST_TIME_FORMAT ", pts %" GST_TIME_FORMAT
@ -4130,7 +4139,8 @@ gst_qtdemux_loop_state_movie (GstQTDemux * qtdemux)
/* check for segment end */
if (G_UNLIKELY (qtdemux->segment.stop != -1
&& qtdemux->segment.stop < min_time)) {
&& qtdemux->segment.stop <= min_time
&& qtdemux->streams[index]->on_keyframe)) {
GST_DEBUG_OBJECT (qtdemux, "we reached the end of our segment.");
goto eos;
}