At Mon, 16 Feb 2009 16:57:10 -0600, York Sun wrote: > > 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? As of now, it's fixed. API to inform / change the channel mapping is under consideration... Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
