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ensure that negative block_time are properly checked

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(workaround unsigned comparison)

Originally committed as revision 10058 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2007-08-10 15:37:55 +00:00
parent f38e2b13bd
commit 9c3e2f78a0
1 changed files with 2 additions and 1 deletions
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3
libavformat/matroskadec.c
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@ -2382,7 +2382,8 @@ matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data, int size,
int real_v = matroska->tracks[track]->flags & MATROSKA_TRACK_REAL_V;
uint64_t timecode = AV_NOPTS_VALUE;
if (cluster_time != (uint64_t)-1 && cluster_time + block_time >= 0)
if (cluster_time != (uint64_t)-1
&& (block_time >= 0 || cluster_time >= -block_time))
timecode = cluster_time + block_time;
for (n = 0; n < laces; n++) {