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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-03-07 00:10:11 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-07-10 01:18:52 +0200 |
| commit | 4bcfe9f19c8edf469158e0da6ef8d6e3ba6eec28 (patch) | |
| tree | dc85a99701381e408962db1020453f1feb924053 | |
| parent | 5279e865961f6eb7bf05c46c6c59835000f5bd50 (diff) | |
| download | ffmpeg-4bcfe9f19c8edf469158e0da6ef8d6e3ba6eec28.tar.gz | |
avformat/utils: Fix integer overflow of fps_first/last_dts
Fixes: runtime error: signed integer overflow: 7738135736989908991 - -7898362169240453118 cannot be represented in type 'long'
Fixes: Chromium bug 796778
Reported-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1b1362e408cd6acb63fef126b814b0d16562aa8e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/utils.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c index 2f68cf35f0..a658eb22c0 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -3326,7 +3326,7 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options) if (st->info->fps_last_dts != AV_NOPTS_VALUE && st->info->fps_last_dts_idx > st->info->fps_first_dts_idx && (pkt->dts - st->info->fps_last_dts) / 1000 > - (st->info->fps_last_dts - st->info->fps_first_dts) / + (st->info->fps_last_dts - (uint64_t)st->info->fps_first_dts) / (st->info->fps_last_dts_idx - st->info->fps_first_dts_idx)) { av_log(ic, AV_LOG_WARNING, "DTS discontinuity in stream %d: packet %d with DTS " |