[FFmpeg-devel] Multichannel WavPack support anyone?
Sun Jan 9 14:20:49 CET 2011
On Sun, Jan 09, 2011 at 12:01:43PM +0200, Martin Storsj? wrote:
> On Sun, 9 Jan 2011, Kostya wrote:
> > On Sat, Jan 08, 2011 at 09:37:55PM +0000, Carl Eugen Hoyos wrote:
> > > Kostya <kostya.shishkov <at> gmail.com> writes:
> > >
> > > > While this works for WavPack, it breaks WavPack-in-Matroska.
> > >
> > > You mean the patch would break currently working decoding of two channel wv in
> > > mkv?
> > yes
> That would break upgrade scenarios where lavc is updated while lavf isn't,
> too, right?
> Could this extra prefix be signalled via some other avctx field (e.g. only
> having it present if channels > 2), to keep the output of current muxers
> compatible with future lavc? Or is this use case (wavpack in general)
> uncommon enough not to care about that scenario?
Yes, it's easy to hack it to use old format for <= 2 channels but iam
too lazy to do that :P.
> // Martin
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