On 2014-07-26 07:13, Raymond Yau wrote: > > > > This should allow us to automatically probe devices using the recent > > firewire drivers, as well as some USB devices people have been asking > > about lately. > > > > Sorry that it has taken some time since I said I would work on this patch > > set, and I've rewritten and rethought it as well a few times. Anyway, > here's > > a proposal. > > > > * Exact-channels can be set to false to allow devices to be opened with > > any channel count instead of just the one specified in the channel > map. > > Do these kind of devices need more than one profile if they have same > channel Min and channel Max and both are larger than two ? This seems to be the common case that we're trying to handle here, and it will end up with the profiles "off", "generic input" "generic output" and "generic output + generic input". > How can user capture stereo from a FireWire device which only support 6 > channels With this patch set, PA will setup a default channel map. I e, recording stereo will mean recording from the first two channels. > capture as pulseaudio downmix 6 channels to stereo for playback > stream? > > Can pulseaudio provide a control to select stereo capture from first > Jack, second jack .... ? You'll need module-remap-source for that. > The problems are non standard volume control names The firewire drivers currently don't implement volume controls the normal ALSA mixer way. For some other cards (PCI, USB), you're right that the names are sometimes non standard. Please fix that in ALSA. :-) -- David Henningsson, Canonical Ltd. https://launchpad.net/~diwic
