[FFmpeg-devel] avfilter/vsrc_testsrc : add allgray generator and fate test for it

[Paul B Mahol]

On 10/13/18, Martin Vignali <martin.vignali at gmail.com> wrote:
> Hello,
>
> Patch in attach add a video generator which output all gray value for the
> given pix_fmt
> Also add fate test for each target pix_fmt.
>
> The goal is to have a generator for testing swscale unscaled conversion
> later
>
> The size of the output depend of the pix_fmt
> gray8 output a 256x1 frame
> gray9 le/be : output 256x2
> gray10 le/be : output 256x4
> gray12 le/be : output 256x16
> gray14 le/be : output 256x64
> gray16 le/be : output 256x256
>
> Martin
>

The 256x <=16 size is not very useful.