virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-04 22:03:09 +02:00
Code Issues Releases Activity
120,502 Commits 37 Branches 405 Tags
master
Commit Graph

2 Commits

Author SHA1 Message Date
Zhao Zhili
a218cafe4d avfilter/vf_blackdetect: Fix header guard 
Fix fate-source failure.
 2025-07-18 13:44:51 +02:00
Niklas Haas
75cd42c48a avfilter/vf_blackdetect: add AVX2 SIMD version 
Requested by a user. Even with autovectorization enabled, the compiler
performs a quite poor job of optimizing this function, due to not being
able to take advantage of the pmaxub + pcmpeqb trick for counting the number
of pixels less than or equal-to a threshold.

blackdetect8_c:                                       4625.0 ( 1.00x)
blackdetect8_avx2:                                     155.1 (29.83x)
blackdetect16_c:                                      2529.4 ( 1.00x)
blackdetect16_avx2:                                    163.6 (15.46x)
 2025-07-18 10:47:31 +02:00