[pulseaudio-discuss] [RFC PATCH 0/3] alsa: Support for only-multichannel devices
superquad.vortex2 at gmail.com
Fri Jul 25 22:13:21 PDT 2014
> 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,
> 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 ?
How can user capture stereo from a FireWire device which only support 6
channels capture as pulseaudio downmix 6 channels to stereo for playback
Can pulseaudio provide a control to select stereo capture from first Jack,
second jack .... ?
The problems are non standard volume control names
> PA will make a standard ALSA channel map for the additional channels.
> * Fallback profiles will only be considered if all other profiles fail.
> * Then we add a "generic" fallback profile without the exact-channel
> We don't want this "generic" profile to show up for normal devices,
> the fallback logic.
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