[pulseaudio-tickets] [Bug 90792] New: Automatic profile switching

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90792

            Bug ID: 90792
           Summary: Automatic profile switching
           Product: PulseAudio
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: medium
         Component: core
          Assignee: pulseaudio-bugs at lists.freedesktop.org
          Reporter: arun at accosted.net
        QA Contact: pulseaudio-bugs at lists.freedesktop.org
                CC: lennart at poettering.net

It would be nice to be able to optionally switch profiles automatically based
on the number of channels being played out. This requires a few pieces:

1. Detecting how many channels are actually supported: picking this information
from ELD for HDMI would be nice

2. Overriding via settings: since ELD can and (afaik) does lie, we should make
this an opt-in feature, and also allow user-provided overrides

3. We can then potentially have policy to switch profiles on a card based on
supported channels

(1) and (2) would be generally useful for passthrough as well (detecting what
compressed formats are supported by the receiver).

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