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matroskadec: set default duration for simple block 

When a normal Block is parsed, duration is initialized to
AV_NOPTS_VALUE.  If it is not changed, then the track's default
duration is used.  But for SimpleBlock, duration is initialized to
0 instead of AV_NOPTS_VALUE.  This is due to the difference in how
EBML_NEST vs EBML_PASS are processed.  Setting duration to 0 leads
eventually to wrongly estimate the frame duration in util.c

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
John Stebbins 2011-03-25 00:34:18 +01:00 committed by Luca Barbato
parent 5666a9f20c
commit 98a7d560b4
1 changed files with 2 additions and 0 deletions
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2
libavformat/matroskadec.c
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@ -1852,6 +1852,8 @@ static int matroska_parse_cluster(MatroskaDemuxContext *matroska)
for (i=0; i<blocks_list->nb_elem; i++)
if (blocks[i].bin.size > 0 && blocks[i].bin.data) {
int is_keyframe = blocks[i].non_simple ? !blocks[i].reference : -1;
if (!blocks[i].non_simple)
blocks[i].duration = AV_NOPTS_VALUE;
res=matroska_parse_block(matroska,
blocks[i].bin.data, blocks[i].bin.size,
blocks[i].bin.pos, cluster.timecode,