[FFmpeg-devel] [PATCH] avfilter: add vmafmotion filter

[Ronald S. Bultje]

Hi Carl,

On Sat, Sep 30, 2017 at 1:31 PM, Carl Eugen Hoyos <ceffmpeg at gmail.com>
wrote:

> Hi!
>
> 2017-09-15 22:47 GMT+02:00 Ashish Pratap Singh <ashk43712 at gmail.com>:
>
> > +static int query_formats(AVFilterContext *ctx)
> > +{
> > +    static const enum AVPixelFormat pix_fmts[] = {
> > +        AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P,
> > AV_PIX_FMT_YUV420P,
> > +        AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV422P10,
> > AV_PIX_FMT_YUV420P10,
>
> Is the algorithm only defined for these formats and bit-depth
> or are there just missing features?
> Gray and gray10 come to mind...
>

Great question! I _believe_ that vmaf overall is luma-only, so it should be
entirely independent of chroma. As such, gray and gray10 could probably be
added to the list and it should just work.

Ronald