[FFmpeg-devel] [PATCH] Disable SSIM in libx264 when PSNR is disabled

Michael Niedermayer michaelni
Tue Oct 20 10:58:10 CEST 2009


bxOn Wed, Jun 17, 2009 at 01:22:31AM +0200, Henrik Gramner wrote:
> There is currently no way to disable SSIM calculations when using libx264 for
> encoding so this patch disables SSIM calculation when PSNR calculation is
> disabled which slightly improves encoding speed.
> 
> If PSNR calculation is disabled then SSIM is probably not of interest to the
> user either.
> 
> Henrik

>  libx264.c |    1 +
>  1 file changed, 1 insertion(+)
> 6a7bb3fef08c96ea47dd4f57f25ef13348da2755  libx264_ssim_disable_fix.diff

another patch that appears to have been forgotten and not reviewed

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

It is dangerous to be right in matters on which the established authorities
are wrong. -- Voltaire
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