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Code Issues Releases Activity

ff_gen_search: fix limit

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The limit value could become slightly wrong in the last iteration

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-06-18 20:48:53 +02:00
parent 9d73e30253
commit b3dd50cd0d
1 changed files with 3 additions and 1 deletions
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4
libavformat/utils.c
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@ -1770,11 +1770,13 @@ int64_t ff_gen_search(AVFormatContext *s, int stream_index, int64_t target_ts,
if(ts_max == AV_NOPTS_VALUE){
int64_t step= 1024;
int64_t limit;
filesize = avio_size(s->pb);
pos_max = filesize - 1;
do{
limit = pos_max;
pos_max = FFMAX(0, pos_max - step);
ts_max = ff_read_timestamp(s, stream_index, &pos_max, pos_max + step, read_timestamp);
ts_max = ff_read_timestamp(s, stream_index, &pos_max, limit, read_timestamp);
step += step;
}while(ts_max == AV_NOPTS_VALUE && pos_max > 0);
if (ts_max == AV_NOPTS_VALUE)