ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu May 11 00:49:31 2017 +0200| [c0ece1f4addf8ac31df95775a2d36be2a55fc759] | committer: Michael Niedermayer
avcodec/mpeg12dec: Fixes runtime error: division by zero Fixes: 1464/clusterfuzz-testcase-minimized-4925445571084288 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c0ece1f4addf8ac31df95775a2d36be2a55fc759 --- libavcodec/mpeg12dec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c index e49167f89e..186fbd27b6 100644 --- a/libavcodec/mpeg12dec.c +++ b/libavcodec/mpeg12dec.c @@ -1242,7 +1242,8 @@ static int mpeg_decode_postinit(AVCodecContext *avctx) if (avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO) { // MPEG-1 aspect - avctx->sample_aspect_ratio = av_d2q(1.0 / ff_mpeg1_aspect[s->aspect_ratio_info], 255); + AVRational aspect_inv = av_d2q(ff_mpeg1_aspect[s->aspect_ratio_info], 255); + avctx->sample_aspect_ratio = (AVRational) { aspect_inv.den, aspect_inv.num }; } else { // MPEG-2 // MPEG-2 aspect if (s->aspect_ratio_info > 1) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
