[FFmpeg-devel] [PATCH v2 1/1] avfilter/vf_vpp_qsv: apply 3D LUT from file.

[Paul B Mahol]

On Sun, Jan 28, 2024 at 11:31 AM Anton Khirnov <anton at khirnov.net> wrote:

> Quoting Chen Yufei (2024-01-25 17:16:46)
> > On Wed, Jan 24, 2024 at 7:39 PM Anton Khirnov <anton at khirnov.net> wrote:
> > >
> > > Quoting Chen Yufei (2024-01-20 16:14:29)
> > > > Usage: "vpp_qsv=lut3d_file=<path to file>"
> > >
> > > Passing file paths to a filter and having the filter load the file is
> > > not recommended, it is generally preferable to have an
> > > AV_OPT_TYPE_BINARY option, with IO performed by the caller.
> > >
> > > E.g. in ffmpeg CLI you can do
> > >  -filter vpp_qsv=/lut3d=<file>
> > > to load the option value from a file.
> >
> > I searched for code using `AV_OPT_TYPE_BINARY`.
> > `vf_libplacebo.c` gives me a good example.
> >
> > The LUT parsing code is took from `libavfilter/vf_lut3d.c`.
> > It's mainly text processing which calls functions on `FILE*`.
> > Using `AV_OPT_TYPE_BINARY` would require many changes in LUT paring
> > code, and also need to change the command line option of `vf_lut3d`.
> > So I'd keep the lut file option as is.
>
> Your patch is rejected then.
>

Thanks for stating that very clearly.

Yours sincerely, obsequious ex-contributor.


>
> --
> Anton Khirnov
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>