Re: [Xen-devel] [PATCH v5] sndif: add ABI for Para-virtual sound

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Oleksandr Dmytryshyn writes ("[PATCH v5] sndif: add ABI for Para-virtual 
sound"):
> This is ABI for the two halves of a Para-virtual
> sound driver to communicate with each to other.
...
> + * Request open - open an pcm stream for playback or capture:

So "channels" here is "stereo", "mono", etc.

There doesn't seem to be anything in this interface that distinguishes
different input/output devices.

So for example, much real hardware will have a headphone output and
also built-in speakers, and a mic input and built-in microphone.

How is this to be exposed to the guest ?

Ian.

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