[FFmpeg-devel] [PATCH 2/5] fftools/cmdutils: Print filter input/output formats in help output

[Paul B Mahol]

On Wed, Oct 13, 2021 at 10:24 AM Soft Works <softworkz at hotmail.com> wrote:

>
>
> > -----Original Message-----
> > From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
> > Paul B Mahol
> > Sent: Wednesday, October 13, 2021 10:16 AM
> > To: FFmpeg development discussions and patches <ffmpeg-
> > devel at ffmpeg.org>
> > Subject: Re: [FFmpeg-devel] [PATCH 2/5] fftools/cmdutils: Print
> > filter input/output formats in help output
> >
> > On Wed, Oct 13, 2021 at 9:58 AM Soft Works <softworkz at hotmail.com>
> > wrote:
> >
> > >
> > >
> > > > -----Original Message-----
> > > > From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
> > > > Soft Works
> > > > Sent: Wednesday, October 13, 2021 9:36 AM
> > > > To: FFmpeg development discussions and patches <ffmpeg-
> > > > devel at ffmpeg.org>
> > > > Subject: Re: [FFmpeg-devel] [PATCH 2/5] fftools/cmdutils: Print
> > > > filter input/output formats in help output
> > > >
> > > >
> > > >
> > > > > -----Original Message-----
> > > > > From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf
> > Of
> > > > > Paul B Mahol
> > > > > Sent: Wednesday, October 13, 2021 9:27 AM
> > > > > To: FFmpeg development discussions and patches <ffmpeg-
> > > > > devel at ffmpeg.org>
> > > > > Subject: Re: [FFmpeg-devel] [PATCH 2/5] fftools/cmdutils: Print
> > > > > filter input/output formats in help output
> > > > >
> > > > > scale, extractplanes, alphaextract, waveform, vectorscope.
> > > >
> > > > See the results below. Nothing is flawed. Of course there can't
> > be an
> > > > output in all cases, as you have pointed out correctly.
> > > >
> > > > But for the remaining 95% of filters, the formats output is very
> > > > useful.
> > > > (and correct)
> > >
> >
> > As proved by above, this is big hack and should not be applied, its
> > also
> > ugly.
>
> I'm not sure what you mean. I do not see at which point this would
> qualify as a hack.
>
> Anyway, then - would you have a better suggestion for getting at
> and printing out this information?
>
> Or do you want to say that this information should remain hidden
> knowledge only available to developers?
>

Formats can differ between each  input and output pad.


>
> Thanks,
> softworkz
> _______________________________________________
> 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".
>