[Spice-devel] RFC on sound codec refactoring

[Christophe Fergeau]

On Mon, Oct 07, 2013 at 12:26:50PM +0200, Gerd Hoffmann wrote:
> On Mo, 2013-10-07 at 05:35 -0400, Marc-André Lureau wrote:
> > Instead of having to resample, can't we fix qemu (and spice headers) to use 48khz by default?
> 
> Sure we can switch the default.  spice headers is enougth btw.  Just
> update the frequency there.  And bumb the minor version so spice-server
> can figure which frequency is used by qemu.
> 
> You can still face the case that spice-server has to handle a old
> (not-yet rebuilt against new spice-headers) qemu binary which operates
> at 44.1 kHz.  So the 44.1 -> 48 resampling will be needed, even when is
> used for a (hopefully short) transition period only.

When spice-server detects that qemu hasn't been updated and is still using
44.1, then it could advertise it does not support Opus and only use celt
until qemu is recompiled.

Christophe
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