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3 Commits

Author SHA1 Message Date
Marton Balint 2cbe6bac03 avfilter/vf_framerate: change blend factor precision 
This is done mainly in preparation for the SIMD patches.

- for the 8-bit input, decrease the blend factor precision to 7-bit.
- for the 16-bit input, increase the blend factor precision to 15-bit.
- make sure the blend functions are not called with 0 or maximum blending
  factors, because we don't want the signed factor integers to overflow.

Fate test changes are due to different rounding.

Signed-off-by: Marton Balint <cus@passwd.hu>
 2018-01-28 18:50:50 +01:00
Marton Balint f528c49c7c avfilter/vf_framerate: calculate interpolation as integer 
It was truncated to int later on anyway. Fate test changes are due to rounding
instead of truncation.

Fixes fate test failures on x86-32 (gcc 4.8 (Ubuntu 4.8.5-2ubuntu1~14.04.1))
after 090b740680.

Signed-off-by: Marton Balint <cus@passwd.hu>
 2018-01-04 22:37:43 +01:00
Alexis Ballier 21bed3c981 fate: Add vf_framerate test. 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-16 16:16:05 +01:00