[FFmpeg-devel] avcodec/prores_ks : do not call estimate_alpha at each quantification step

[Paul B Mahol]

On 3/20/18, Martin Vignali <martin.vignali at gmail.com> wrote:
> Hello,
>
> patch in attach move estimate_alpha outside the quantification loop
> no need to call it at each quantification step
>
> also remove "error" arg in estimate_alpha.
>
>
> Martin
>

probably ok, check that this does not break alpha encoding.