virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity
98,148 Commits 37 Branches 400 Tags 465 MiB
3240121509
Commit Graph

4 Commits

Author SHA1 Message Date
Limin Wang
86f0411a52 avfilter/vf_framerate: remove duplicate code with macro-based function 
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
Signed-off-by: Marton Balint <cus@passwd.hu>
 2019-09-28 21:53:55 +02:00
Limin Wang
fd5fdca953 avfilter/vf_framerate: refine the filter_slice code for better readiablity 
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
Signed-off-by: Marton Balint <cus@passwd.hu>
 2019-09-28 20:20:28 +02:00
Marton Balint
6c2a7a8e9a avfilter/vf_framerate: factorize SAD functions which compute SAD for a whole frame 
Also add SIMD which works on lines because it is faster then calculating it on
8x8 blocks using pixelutils.

Signed-off-by: Marton Balint <cus@passwd.hu>
 2018-11-11 20:30:50 +01:00
Marton Balint
4d95c6d5d7 avfilter/vf_framerate: add SIMD functions for frame blending 
Blend function speedups on x86_64 Core i5 4460:

ffmpeg -f lavfi -i allyuv -vf framerate=60:threads=1 -f null none

C:     447548411 decicycles in Blend,    2048 runs,      0 skips
SSSE3: 130020087 decicycles in Blend,    2048 runs,      0 skips
AVX2:  128508221 decicycles in Blend,    2048 runs,      0 skips

ffmpeg -f lavfi -i allyuv -vf format=yuv420p12,framerate=60:threads=1 -f null none

C:     228932745 decicycles in Blend,    2048 runs,      0 skips
SSE4:  123357781 decicycles in Blend,    2048 runs,      0 skips
AVX2:  121215353 decicycles in Blend,    2048 runs,      0 skips

Signed-off-by: Marton Balint <cus@passwd.hu>
 2018-01-28 18:50:52 +01:00