Commit Graph

3 Commits

Author SHA1 Message Date
Paul B Mahol
fcc0424c93 avfilter/vf_ssim: improve precision
Use doubles for accumulating floats.
2020-02-04 18:28:04 +01:00
James Almer
e3851169ee x86/vf_ssim: add ff_ssim_4x4_line_xop
~20% faster than ssse3. Also enabled for x86_32

Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
2015-07-20 13:18:05 -03:00
Ronald S. Bultje
dfc58584b4 vf_ssim: x86 simd for ssim_4x4xN and ssim_endN.
Both are 2-2.5x faster than their C counterpart.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2015-07-14 05:07:07 +02:00