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matroskademux: handle blocks with duration=0

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Some video frames, for example alt-ref frame in VP8, will be
never displayed. This is why it has duration=0.

This patch allow to use this duration.

Bug: 654175
Signed-off-by: Alexey Fisher <bug-track@fisher-privat.net>
This commit is contained in:
Alexey Fisher 2011-07-07 18:27:36 +02:00 committed by Sebastian Dröge
parent 4dcc9ee42a
commit a2e0bda3b5
1 changed files with 2 additions and 2 deletions
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4
gst/matroska/matroska-demux.c
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@ -2961,7 +2961,7 @@ gst_matroska_demux_parse_blockgroup_or_simpleblock (GstMatroskaDemux * demux,
GstFlowReturn ret = GST_FLOW_OK;
gboolean readblock = FALSE;
guint32 id;
guint64 block_duration = 0;
guint64 block_duration = -1;
GstBuffer *buf = NULL;
gint stream_num = -1, n, laces = 0;
guint size = 0;
@ -3249,7 +3249,7 @@ gst_matroska_demux_parse_blockgroup_or_simpleblock (GstMatroskaDemux * demux,
demux->need_newsegment = FALSE;
}
if (block_duration) {
if (block_duration != -1) {
if (stream->timecodescale == 1.0)
duration = gst_util_uint64_scale (block_duration,
demux->common.time_scale, 1);