diff options
Diffstat (limited to 'gst-libs/ext/libav/libavformat/utils.c')
| -rw-r--r-- | gst-libs/ext/libav/libavformat/utils.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gst-libs/ext/libav/libavformat/utils.c b/gst-libs/ext/libav/libavformat/utils.c index 085ae83..4f73dfe 100644 --- a/gst-libs/ext/libav/libavformat/utils.c +++ b/gst-libs/ext/libav/libavformat/utils.c @@ -1863,8 +1863,13 @@ static void estimate_timings_from_bit_rate(AVFormatContext *ic) bit_rate = 0; for(i=0;i<ic->nb_streams;i++) { st = ic->streams[i]; - if (st->codec->bit_rate > 0) - bit_rate += st->codec->bit_rate; + if (st->codec->bit_rate > 0) { + if (INT_MAX - st->codec->bit_rate < bit_rate) { + bit_rate = 0; + break; + } + bit_rate += st->codec->bit_rate; + } } ic->bit_rate = bit_rate; } @@ -2493,6 +2498,9 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options) int best_fps = 0; double best_error = 0.01; + if (delta_dts >= INT64_MAX / st->time_base.num || + delta_packets >= INT64_MAX / st->time_base.den) + continue; av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den, delta_packets*(int64_t)st->time_base.den, delta_dts*(int64_t)st->time_base.num, 60000); |