On 11/14/2011 08:27 PM, Tanu Kaskinen wrote: > On Sat, 2011-11-12 at 17:14 +0100, Daniel Mack wrote: >> A 6-channel audio device I wrote support announces a single ALSA >> subdevice that has to be opened as a whole in order to access all six >> channels. However, I would like to offer the channels as three pairs of >> stereo (for both directions), so stereo clients can be routed to each of >> them individually. >> >> From what I saw in the alsa-mixer module code, there is no way to >> specify such things of settings in the profile-sets, right? Are there >> any plans to support these kind of setups? > > So even if the card would be used as three stereo pairs, Pulseaudio > would still have to open the device with six channels, right? Exactly. All other attempts to open the pcm will fail. > There's module-remap-sink, which can be used to split a six-channel sink > into three stereo sinks (while keeping the six-channel sink also > available). For sources there's currently nothing. You're right in that > there's no way for you to write a profile-set configuration file that > would make the stereo sinks available out-of-the-box. > > As for plans, I don't think there are any plans to do anything about > this in the near future. I think Colin has mentioned that a GUI for > configuring this kind of things would be nice, but that's about it. This > is the first time I hear the idea of extending the alsa-mixer > configuration to support this kind of setups. Sounds like a good idea. > Now if we just could find someone to do the work... I would, if I only had the time ;) Daniel
