From ab9074c1c3fc5179f153743d869b33a7623d738b Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 16 Feb 2020 18:51:52 +0100 Subject: [PATCH] avformat/mpegenc: Fix integer overflow with AV_NOPTS_VALUE Fixes: signed integer overflow: -9223372036854775808 - 45000 cannot be represented in type 'long' Fixes: ticket8187 Found-by: Suhwan Signed-off-by: Michael Niedermayer (cherry picked from commit 9874815b1aadadd7fd19aa6aabb7d9193f2f43d5) Signed-off-by: Michael Niedermayer --- libavformat/mpegenc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mpegenc.c b/libavformat/mpegenc.c index 43ebc46e0e..1b0b532790 100644 --- a/libavformat/mpegenc.c +++ b/libavformat/mpegenc.c @@ -1215,7 +1215,7 @@ static int mpeg_mux_write_packet(AVFormatContext *ctx, AVPacket *pkt) if (s->is_dvd) { // min VOBU length 0.4 seconds (mpucoder) if (is_iframe && - (s->packet_number == 0 || + (s->packet_number == 0 || pts != AV_NOPTS_VALUE && (pts - stream->vobu_start_pts >= 36000))) { stream->bytes_to_iframe = av_fifo_size(stream->fifo); stream->align_iframe = 1;