[FFmpeg-devel] [PATCH] webp: fix transforms after a palette with pixel packing.

[James Zern]

On Thu, Aug 19, 2021 at 12:56 AM Maryla <maryla-at-google.com at ffmpeg.org> wrote:
>
> When a color indexing transform with 16 or fewer colors is used,
> WebP uses "pixel packing", i.e. storing several pixels in one byte,
> which virtually reduces the width of the image (see WebPContext's
> reduced_width field). This reduced_width should always be used when
> reading and applying subsequent transforms.
>
> Fixes: 9368

Is there anything in
https://chromium.googlesource.com/webm/libwebp-test-data that covers
this or can you add the file from the ticket to fate?