[pulseaudio-tickets] [PulseAudio] #874: Pulseaudio breaks per-channel volume config when restoring volume from 0%

[PulseAudio]

#874: Pulseaudio breaks per-channel volume config when restoring volume from 0%
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  Reporter:  murz    |       Owner:  lennart
      Type:  defect  |      Status:  new    
 Milestone:          |   Component:  daemon 
Resolution:          |    Keywords:         
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Comment(by murz):

 One of the method to solve this is to store ballance value of channels
 when setting volume to 0%, but it solve the problem only for 2-channels
 sinks, but for describe volumes in 4.1-7.1 sink we must create more than
 one ballance value.
 I think that better solution is store per-channel volumes in sink
 unchanged, and create new value - main sink volume (something like base
 volume). And via increase/decrease sink commands do the change only main
 volume and don't touch channel volumes config.

 And adding main sink volume will add new feature to pulseaudio: ability to
 manually set maximum volume for sink (user can set 50% volume of each
 channel in sink and after that he been able to not be afraid making sound
 too loud, increasing main volume to 100%).

 Because very often sound systems have many decibels that was never used,
 because on 100% volume the sound is very loud.

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Ticket URL: <http://pulseaudio.org/ticket/874#comment:5>
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