diff options
| -rw-r--r-- | libavformat/avidec.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libavformat/avidec.c b/libavformat/avidec.c index 6bcf45ee21..9d7c724f94 100644 --- a/libavformat/avidec.c +++ b/libavformat/avidec.c @@ -451,6 +451,7 @@ static int calculate_bitrate(AVFormatContext *s) int64_t len = 0; AVStream *st = s->streams[i]; int64_t duration; + int64_t bitrate; for (j = 0; j < st->nb_index_entries; j++) len += st->index_entries[j].size; @@ -458,7 +459,10 @@ static int calculate_bitrate(AVFormatContext *s) if (st->nb_index_entries < 2 || st->codec->bit_rate > 0) continue; duration = st->index_entries[j-1].timestamp - st->index_entries[0].timestamp; - st->codec->bit_rate = av_rescale(8*len, st->time_base.den, duration * st->time_base.num); + bitrate = av_rescale(8*len, st->time_base.den, duration * st->time_base.num); + if (bitrate <= INT_MAX && bitrate > 0) { + st->codec->bit_rate = bitrate; + } } return 1; } |