ffmpeg | branch: master | Paul B Mahol <[email protected]> | Tue Oct 22 10:38:16 2019 +0200| [5561a1de90cd3f80ab9ec543f28b6e96a9d0a86c] | committer: Paul B Mahol
avfilter/vf_premultiply: fix signed integer overflow Fixes #8324 > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5561a1de90cd3f80ab9ec543f28b6e96a9d0a86c --- libavfilter/vf_premultiply.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavfilter/vf_premultiply.c b/libavfilter/vf_premultiply.c index 5338af742c..60830e7e84 100644 --- a/libavfilter/vf_premultiply.c +++ b/libavfilter/vf_premultiply.c @@ -186,7 +186,7 @@ static void premultiply16yuv(const uint8_t *mmsrc, const uint8_t *aasrc, for (y = 0; y < h; y++) { for (x = 0; x < w; x++) { - dst[x] = ((((msrc[x] - half) * (((asrc[x] >> 1) & 1) + asrc[x]))) >> shift) + half; + dst[x] = ((((msrc[x] - half) * (int64_t)(((asrc[x] >> 1) & 1) + asrc[x]))) >> shift) + half; } dst += dlinesize / 2; @@ -209,7 +209,7 @@ static void premultiply16offset(const uint8_t *mmsrc, const uint8_t *aasrc, for (y = 0; y < h; y++) { for (x = 0; x < w; x++) { - dst[x] = ((((msrc[x] - offset) * (((asrc[x] >> 1) & 1) + asrc[x])) + half) >> shift) + offset; + dst[x] = ((((msrc[x] - offset) * (int64_t)(((asrc[x] >> 1) & 1) + asrc[x])) + half) >> shift) + offset; } dst += dlinesize / 2; _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
