[FFmpeg-devel] [PATCH 1/3] lavu: add a channels reordering API.

[Paul B Mahol]

On 11/22/12, Nicolas George <nicolas.george at normalesup.org> wrote:
> Le duodi 2 frimaire, an CCXXI, Paul B Mahol a ecrit :
>> Is this fast?
>
> This was not the main concern when writing the code. It should be as fast
> as
> the one that was already in place in ALSA, and probably slightly faster
> that
> the one that was in use for Vorbis until it switched to planar output.
>
> It returns a function pointer, so there is no problem in implementing some
> reordering functions in assembly if it is deemed useful.

Than wouldn't implementing it in swr would be better?