[alsa-devel] dma buffer format

[York Sun]

On Mon, 2009-02-16 at 23:26 +0100, Takashi Iwai wrote:
> At Mon, 16 Feb 2009 16:21:59 -0600,
> York Sun wrote:
> > 
> > Takashi,
> > 
> > I am now working on a surround sound driver for the first time. I am
> > confused by the packed format of dma buffer. If the channel number is 6,
> > is the buffer filled with data as
> > 
> > front left, front right, rear left, rear right, center, LFE
> > 
> > or
> > 
> > front left, rear left, center, front right, rear left, LFE?
> 
> It's supposed to be FL/FR/RL/RR/C/LFE.
> That's so to be consitent with 4 channels (just cut the last two
> channels).
> 
Thanks for the quick reply. I am curious if it is the only format
supported, or can it be customized?


York