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[Fisslefink <551088@xxxxxxxxxxxxxxxxxx>]

This is still an issue in Lucid official release.

Reassigning it to the MythTV devs, while the correct course of action,
resulted in a political dispute and no resolution for users:

http://www.mail-archive.com/pulseaudio-
discuss@xxxxxxxxxxxxxxxx/msg06978.html

According to a later comment on the thread (dated May 2010), there is
another version of MythTV on the way with better pulseaudio support:

http://www.mail-archive.com/pulseaudio-
discuss@xxxxxxxxxxxxxxxx/msg06979.html

....still no word on that.

In the meantime, the following workaround restored functionality on my
system, allowing me to use Mythfrontend with the PulseAudio:default
audio codec, and still get sound from other applications spawned while
mythfrontend was running (i.e. VLC, Mplayer).

Here are my settings for mythfrontend (Utilities/Setup --> Setup --> General)
- Audio output device =  "PulseAudio:default"
- Internal Volume Controls = on
            -  Mixer device = software
            -  Mixer controls = Master
            -  Master mixer volume = 50
            -  PCM mixer volume = 70

........I control the volume with the pulseaudio command line tool "pacmd" using LIRC and irexec, as shown in this script:
http://gzn.pastebin.com/zV0f7Pmv

-- 
mythfrontend resets volume to 100% with PulseAudio:default
https://bugs.launchpad.net/bugs/551088
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Status in MythTV: Won't Fix
Status in “mythtv” package in Ubuntu: Triaged

Bug description:
Binary package hint: mythtv

mythfrontend resets volume to 100% when starting playback or skipping back or forward while watching a recording using PulseAudio:default output  if the option "Use internal volume controls" is not checked.

If using internal volume controls the volume sets to the adjusted value at every time the recording is skipped back or forward.

There is no way of using mythfronted with pulseaudio in a way that mythfrontend would not touch the volume settings.

Description:	Ubuntu lucid (development branch) as of 29.3.2010
Release:	10.04

mythtv-frontend 0.23.0+fixes23820-0ubuntu1