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release/4.4
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3 Commits
Author SHA1 Message Date
Michael Niedermayer e313d8d443 avfilter/vf_convolution: Use avpriv_mirror 
Fixes: out of array read
Fixes: #YWH-PGM40646-35

Found-by: jpraveenrao
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8970658472)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2026-05-05 18:55:05 +02:00
Paul B Mahol c6ce18be08 avfilter/vf_convolution: add 16-column operation for filter_column() 
Based on patch by Xu Jun <xujunzz@sjtu.edu.cn>
 2021-02-13 14:45:48 +01:00
Ruiling Song 98e419cbf5 avfilter/vf_convolution: add x86 SIMD for filter_3x3() 
Tested using a simple command (apply edge enhance):
./ffmpeg_g -i ~/Downloads/bbb_sunflower_1080p_30fps_normal.mp4 \
 -vf convolution="0 0 0 -1 1 0 0 0 0:0 0 0 -1 1 0 0 0 0:0 0 0 -1 1 0 0 0 0:0 0 0 -1 1 0 0 0 0:5:1:1:1:0:128:128:128" \
 -an -vframes 1000 -f null /dev/null

The fps increase from 151 to 270 on my local machine.

Signed-off-by: Ruiling Song <ruiling.song@intel.com>
 2019-08-07 14:31:28 +08:00