generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ff_gen_search: fix limit

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

4
libavformat/utils.c
View File

@@ -1770,11 +1770,13 @@ int64_t ff_gen_search(AVFormatContext *s, int stream_index, int64_t target_ts,
if(ts_max == AV_NOPTS_VALUE){ if(ts_max == AV_NOPTS_VALUE){
int64_t step= 1024; int64_t step= 1024;
int64_t limit;
filesize = avio_size(s->pb); filesize = avio_size(s->pb);
pos_max = filesize - 1; pos_max = filesize - 1;
do{ do{
limit = pos_max;
pos_max = FFMAX(0, pos_max - step); 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; step += step;
}while(ts_max == AV_NOPTS_VALUE && pos_max > 0); }while(ts_max == AV_NOPTS_VALUE && pos_max > 0);
if (ts_max == AV_NOPTS_VALUE) if (ts_max == AV_NOPTS_VALUE)