ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Sep 14 20:23:52 2021 +0200| [991b3deea90c6fc01ec575522760f58c650eba11] | committer: Michael Niedermayer
avcodec/h274: fix bad left shifts Fixes: left shift of negative value -3 Fixes: 37788/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-6024714540154880 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=991b3deea90c6fc01ec575522760f58c650eba11 --- libavcodec/h274.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/h274.c b/libavcodec/h274.c index 262106733c..20401ba06b 100644 --- a/libavcodec/h274.c +++ b/libavcodec/h274.c @@ -250,8 +250,8 @@ int ff_h274_apply_film_grain(AVFrame *out_frame, const AVFrame *in_frame, // Adaptation for 4:2:0 chroma subsampling for (int i = 0; i < h274.num_intensity_intervals[c]; i++) { h274.comp_model_value[c][i][0] >>= 1; - h274.comp_model_value[c][i][1] <<= 1; - h274.comp_model_value[c][i][2] <<= 1; + h274.comp_model_value[c][i][1] *= 2; + h274.comp_model_value[c][i][2] *= 2; } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
