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Re: [Xen-devel] [PATCH RESEND1 00/12] ALSA: vsnd: Add Xen para-virtualized frontend driver

On 08/18/2017 10:17 AM, Takashi Sakamoto wrote:
On Aug 18 2017 14:56, Oleksandr Andrushchenko wrote:
Taking into account the fact that the backend we have is a user-space application
running on top of ALSA/PulseAudio we cannot get HW pointers from actual
hardware by any means (PulseAudio use-case is the most tough thing in equation)

You mean that any alsa-lib or libpulse applications run on Dom0 as a
backend driver for the frontend driver on DomU?

No, the sound backend [1] is a user-space application (ALSA/PulseAudio client)
which runs as a Xen para-virtual backend in Dom0 and serves all the
frontends running in DomU(s).
Other ALSA/PulseAudio clients in Dom0 are also allowed to run at the
same time.


Takashi Sakamoto
Thank you,

[1] https://github.com/xen-troops/snd_be

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