[pulseaudio-tickets] [Bug 53206] New: Channels are swapped when mixing two stereo streams

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=53206

             Bug #: 53206
           Summary: Channels are swapped when mixing two stereo streams
    Classification: Unclassified
           Product: PulseAudio
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: core
        AssignedTo: pulseaudio-bugs at lists.freedesktop.org
        ReportedBy: tanuk at iki.fi
         QAContact: pulseaudio-bugs at lists.freedesktop.org
                CC: lennart at poettering.net


I played two songs (stereo audio) simultaneously, one with the left channel
muted and one with the right channel muted. I listened with headphones, and the
one that should have played to the left ear played to the right ear and vice
versa. One of the songs was shorter than the other, and when the shorter one
ended, the longer song jumped from the right ear to the left ear.

The symptoms suggest that the mixing code is broken: it swaps channels. With
two streams active the channels are the wrong way around, but with only one
stream the channels are right.

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