[FFmpeg-devel] [PATCH 000/279] New channel layout API

Hendrik Leppkes h.leppkes at gmail.com
Thu Dec 9 18:21:05 EET 2021


On Thu, Dec 9, 2021 at 3:57 PM Nicolas George <george at nsup.org> wrote:
>
> Hendrik Leppkes (12021-12-09):
> > What kind of sense does a frame make that contains the same channel
> > twice?
>
> Imagine an orchestra recording:
>
> Orchestra, front left
> Orchestra, front center
> Orchestra, front right
> Orchestra, low freq
> Orchestra, rear left
> Orchestra, rear center
> Winds, left
> Winds, right
> Percussions, left
> Percussions, right
> Strings, left
> Strings, right
>
> We cannot have enums for winds, percussions and strings, but we should
> be able to label them properly left and right, and attach a string label
> to each.
>

It sounds like thats object audio, and should be driven separately,
and not by the legacy channel identifiers.

- Hendrik


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