[FFmpeg-devel] [PATCH v5 2/2] libavformat/webp: add WebP demuxer

[Zlomek, Josef]

On Sat, Sep 12, 2020 at 3:01 PM Lynne <dev at lynne.ee> wrote:

> On 11/09/2020 08:36, Josef Zlomek wrote:
> > Adds the demuxer of animated WebP files.
> > It supports non-animated, animated, truncated, and concatenated files.
> > Reading from a pipe (and other non-seekable inputs) is also supported.
> >
> > The WebP demuxer splits the input stream into packets containing one
> frame.
> > It also marks the key frames properly.
> > The loop count is ignored by default (same behaviour as animated PNG and
> GIF),
> > it may be enabled by the option '-ignore_loop 0'.
> >
> > The frame rate is set according to the frame delay in the ANMF chunk.
> > If the delay is too low, or the image is not animated, the default frame
> rate
> > is set to 10 fps, similarly to other WebP libraries and browsers.
> > The fate suite was updated accordingly.
> >
> > Signed-off-by: Josef Zlomek <josef at pex.com>
> Can someone take a look at the demuxer? I'd rather not apply the decoder
> without the demuxer, and lavf isn't my specialty.
>

Does someone have time to look at the WebP demuxer?

Josef