ffmpeg | branch: master | Thilo Borgmann <thilo.borgm...@mail.de> | Wed Apr 27 11:37:12 2022 +0200| [79286d3eb64b5ce56e30d88f2d34692adb3fcaf0] | committer: Thilo Borgmann
avfilter/vf_blurdetect: fix uninitialized variables and possible div by zero Found-by: Coverity > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=79286d3eb64b5ce56e30d88f2d34692adb3fcaf0 --- libavfilter/vf_blurdetect.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavfilter/vf_blurdetect.c b/libavfilter/vf_blurdetect.c index e29ed5041d..0e08ba96de 100644 --- a/libavfilter/vf_blurdetect.c +++ b/libavfilter/vf_blurdetect.c @@ -138,6 +138,7 @@ static float edge_width(BLRContext *blr, int i, int j, int8_t dir, int w, int h, case DIRECTION_VERTICAL: dX = 0; dY = 1; break; case DIRECTION_45UP: dX = 1; dY = -1; break; case DIRECTION_45DOWN: dX = 1; dY = 1; break; + default: dX = 1; dY = 1; break; } // determines if search in direction dX/dY is looking for a maximum or minimum @@ -227,7 +228,7 @@ static float calculate_blur(BLRContext *s, int w, int h, int hsub, int vsub, } } // if not enough edge pixels in a block, consider it smooth - if (block_total_width >= 2) { + if (block_total_width >= 2 && block_count) { blks[blkcnt] = block_total_width / block_count; blkcnt++; } _______________________________________________ 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".
