[pulseaudio-discuss] Audio routing policy

[Mark Brown]

On Mon, Oct 17, 2011 at 02:31:42PM +0300, Janos Kovacs wrote:

> The first attempt is to map UCM verbs directly to alsa card profiles with the
> combination with combination of certain UCM modifiers. We would have
> profiles like "HiFi: Play Music", "HiFi Low Power: Play Music + Capture Music",
> "Voice Call: Play Voice + Capture Voice", "Voice Call IP: Play Voice" etc. In
> addition we would have PA ports derived from the availabe UCM devices and
> some other modifiers like "Play Tone". In addition we could/should generate
> the combination devices  (e..g. speaker+headset, etc.) since only one port
> can be active at the time.

I'm always really suspicious every time anyone has a separate "low
power" use case...  Apart from that the above looks fine from the UCM
side, you wouldn't normally define a separate capture use case (just
have your normal case be birdirectional) but otherwise it looks fairly
straightforward.