Re: [Qemu-devel] [PATCH 00/11] apply volume on client side (v3)

[malc <av1474@comtv.ru>]

On Mon, 12 Mar 2012, Marc-Andr? Lureau wrote:

> Hello,
> 
> This patch series implements client-side audio volume support. This 
> reduces confusion of guest users when volume control is not effective 
> (because mixemu is disabled or because client-side is muted and can't be 
> unmuted by the guest..)
> 
> Instead, the backend is responsible for applying volume giving the guest 
> control over the full range of the client, and avoiding multiple level 
> of volume/mute effects.
> 
> Although I was mainly interested in having the Spice audio backend 
> support, I also added PulseAudio backend support (which unfortunately 
> requires full-blown API, even after quick discussion with upstream).
> 

I'm okay with this, provided that:

a. Pulse/Spice have per connection volume
b. Other drivers are not affected
c. mixeng is not the default

> Marc-Andr? Lureau (11):
>   audio: add VOICE_VOLUME ctl
>   audio: don't apply volume effect if backend has VOICE_VOLUME_CAP
>   audio: use a nominal volume of UINT_MAX
>   hw/ac97: remove USE_MIXER code
>   hw/ac97: the volume mask is not only 0x1f
>   hw/ac97: add support for volume control
>   audio/spice: add support for volume control
>   Do not use pa_simple PulseAudio API
>   configure: pa_simple is not needed anymore
>   Allow controlling volume with PulseAudio backend
>   Make mixemu mandatory
> 
>  audio/audio.c          |   25 +++-
>  audio/audio_int.h      |    6 +
>  audio/audio_template.h |    2 +
>  audio/mixeng.c         |    6 -
>  audio/paaudio.c        |  452 +++++++++++++++++++++++++++++++++++++++++++-----
>  audio/spiceaudio.c     |   41 +++++
>  configure              |   14 +--
>  hw/ac97.c              |  141 ++++++----------
>  hw/hda-audio.c         |    4 -
>  9 files changed, 531 insertions(+), 160 deletions(-)
> 
> 

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