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From: Oleksandr Andrushchenko <andr2000@gmail.com>
To: Takashi Sakamoto <o-takashi@sakamocchi.jp>,
	Oleksandr Grytsov <al1img@gmail.com>,
	clemens@ladisch.de
Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>,
	alsa-devel@alsa-project.org, tiwai@suse.com,
	linux-kernel@vger.kernel.org, xen-devel@lists.xen.org
Subject: Re: [PATCH RESEND1 00/12] ALSA: vsnd: Add Xen para-virtualized frontend driver
Date: Fri, 18 Aug 2017 10:23:05 +0300	[thread overview]
Message-ID: <b129960e-b38f-ea94-3e4a-3cd409f7a707@gmail.com> (raw)
In-Reply-To: <ad4f2201-bfab-415d-0120-308989653628@sakamocchi.jp>


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.
>
> Regards
>
> Takashi Sakamoto
Thank you,
Oleksandr

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

  reply	other threads:[~2017-08-18  7:23 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-07 12:22 [PATCH RESEND1 00/12] ALSA: vsnd: Add Xen para-virtualized frontend driver Oleksandr Andrushchenko
2017-08-07 12:22 ` [PATCH RESEND1 01/12] ALSA: vsnd: Introduce Xen para-virtualized sound " Oleksandr Andrushchenko
2017-08-07 12:22 ` [PATCH RESEND1 02/12] ALSA: vsnd: Implement driver's probe/remove Oleksandr Andrushchenko
2017-08-07 12:22 ` [PATCH RESEND1 03/12] ALSA: vsnd: Implement Xen bus state handling Oleksandr Andrushchenko
2017-08-07 12:22 ` [PATCH RESEND1 04/12] ALSA: vsnd: Read sound driver configuration from Xen store Oleksandr Andrushchenko
2017-08-07 12:22 ` [PATCH RESEND1 05/12] ALSA: vsnd: Implement Xen event channel handling Oleksandr Andrushchenko
2017-08-07 12:22 ` [PATCH RESEND1 06/12] ALSA: vsnd: Implement handling of shared buffers Oleksandr Andrushchenko
2017-08-07 12:22 ` [PATCH RESEND1 07/12] ALSA: vsnd: Introduce ALSA virtual sound driver Oleksandr Andrushchenko
2017-08-07 12:22 ` [PATCH RESEND1 08/12] ALSA: vsnd: Initialize virtul sound card Oleksandr Andrushchenko
2017-08-07 12:22 ` [PATCH RESEND1 09/12] ALSA: vsnd: Add timer for period interrupt emulation Oleksandr Andrushchenko
2017-08-07 12:22 ` [PATCH RESEND1 10/12] ALSA: vsnd: Implement ALSA PCM operations Oleksandr Andrushchenko
2017-08-07 12:22 ` [PATCH RESEND1 11/12] ALSA: vsnd: Implement communication with backend Oleksandr Andrushchenko
2017-08-07 12:22 ` [PATCH RESEND1 12/12] ALSA: vsnd: Introduce Kconfig option to enable Xen PV sound Oleksandr Andrushchenko
2017-08-10  3:14 ` [PATCH RESEND1 00/12] ALSA: vsnd: Add Xen para-virtualized frontend driver Takashi Sakamoto
2017-08-10  8:10   ` Oleksandr Andrushchenko
2017-08-17 10:05     ` Oleksandr Grytsov
2017-08-18  5:43       ` Takashi Sakamoto
2017-08-18  5:56         ` Oleksandr Andrushchenko
2017-08-18  7:17           ` Takashi Sakamoto
2017-08-18  7:23             ` Oleksandr Andrushchenko [this message]
2017-08-22  2:43               ` Takashi Sakamoto
2017-08-23 14:51                 ` Oleksandr Grytsov
2017-08-24  4:38                   ` Takashi Sakamoto
2017-08-24  7:04                     ` Oleksandr Andrushchenko
2017-09-04  7:21                       ` Oleksandr Andrushchenko
2017-09-05  7:24                       ` [alsa-devel] " Clemens Ladisch
2017-09-12  7:52                         ` Oleksandr Grytsov
2017-09-19  8:57                           ` Oleksandr Andrushchenko
2017-09-26 11:35                             ` Oleksandr Andrushchenko
2017-10-04  6:50                               ` Oleksandr Andrushchenko
2017-10-13  6:15                                 ` Oleksandr Andrushchenko
2017-10-30  6:33                                   ` [RFC] " Oleksandr Andrushchenko
2017-11-02  9:44                                     ` Takashi Sakamoto
2017-11-02  9:55                                       ` Oleksandr Andrushchenko

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