playbin2 volume adjustment in Linux with PulseAudio

[Arun Raghavan]

On Mon, 2011-12-05 at 00:16 -0500, Pris Matic wrote:
> Hi all,
> 
> My distro is Arch Linux with PulseAudio, and have an app using
> playbin2 to play music files. When I set the playbin2 volume property,
> PulseAudio's 'global' volume jumpts to 100% from whatever its previous
> value was, while the relative volume of the individual application is
> what's actually adjusted according to the volume property in
> gstreamer.  Is there any way to prevent this behaviour (specifically
> the jump in global volume)? I've had the same issue with other distros
> using PulseAudio.

Here is a description of this feature:
http://0pointer.de/blog/projects/oh-nine-fifteen.html (see Flat
Volumes).

This is configurable in PulseAudio in /etc/pulse/daemon.conf (you can
set it per-user in ~/.pulse/daemon.conf as an override).

Regards,
Arun