[FFmpeg-devel] [PATCH 1/2] avformat/mxf: support MCA audio information

Pierre-Anthony Lemieux pal at sandflow.com
Sun Jan 2 01:15:39 EET 2022


On Sat, Jan 1, 2022 at 11:32 AM Marton Balint <cus at passwd.hu> wrote:
>
>
>
> On Wed, 22 Dec 2021, Pierre-Anthony Lemieux wrote:
>
> > On Wed, Dec 22, 2021 at 4:38 AM Tomas Härdin <tjoppen at acc.umu.se> wrote:
> >>
> >> tis 2021-12-21 klockan 21:24 +0100 skrev Marton Balint:
> >> >
> >> >
> >> > It is not matter of performance, we should not introduce a hack such
> >> > as
> >> > reordering PCM channels in a demuxer if there is a better solution on
> >> > the
> >> > horizon.
> >
> > Yes, it feels like channel reordering should be a framework-level
> > feature and not a per-demuxer feature.
> >
> > What about a roadmap where the channel-reordering-in-MXF patch is
> > scheduled to be merged after some reasonable time (1 month?) if the
> > channel API has not landed by then? This would allow contributors and
> > users to plan ahead.
>
> I am not sure, if 1 month is enough for things to settle.
>
> Anyway, I have sent a patch which has MCA info but without reordering. We
> could merge that now, and later, when the API is in place, add support for
> non-native channel ordering.

Sounds good to me. I have made two minor suggestions on the proposed patch.

>
> Regards,
> Marton
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