ff_gen_search: fix infinite loop

Fixes Ticket2639 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago · f8ca8138f0
parent b3dd50cd0d
commit f8ca8138f0
1 changed files with 1 additions and 1 deletions
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@ -1778,7 +1778,7 @@ int64_t ff_gen_search(AVFormatContext *s, int stream_index, int64_t target_ts,
            pos_max = FFMAX(0, pos_max - step);
            ts_max = ff_read_timestamp(s, stream_index, &pos_max, limit, read_timestamp);
            step += step;
-        }while(ts_max == AV_NOPTS_VALUE && pos_max > 0);
+        }while(ts_max == AV_NOPTS_VALUE && 2*limit > step);
        if (ts_max == AV_NOPTS_VALUE)
            return -1;