On Thu, 2013-05-02 at 12:55 +0200, David Henningsson wrote: > Just had an idea which I'll write down here before I forget it > again...and I'm not saying I'll implement this anytime soon either, but > here goes: > > There is a device reserve protocol between PulseAudio and JACK2 - when > JACK needs the sound card, it'll send a dbus message to PulseAudio and > grab a name in D-Bus. > > However, there are plenty of applications who like to access ALSA > directly, without going through JACK2 or PulseAudio. By making a > "reserve" plugin, we could have this functionality for those apps too. > > In practice, if the app usually opens "plughw:0" or "hw:0", it could > instead open "reserve:plughw:0" or "reserve:hw:0" to also reserve the > device from PulseAudio usage while the device is open. Meanwhile, > PulseAudio is free to use other audio devices (which is not the case > when using e g pasuspender). > > How does that sound? Might be neat to do have desktops set up to do this whenever an ALSA device is opened (that is do it unconditionally when hw:X or plughw:X is opened). -- Arun
