[pulseaudio-tickets] [Bug 68107] New: A glitch due to another stream starting to play when recording from a single sink input

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68107

          Priority: medium
            Bug ID: 68107
                CC: lennart at poettering.net
          Assignee: pulseaudio-bugs at lists.freedesktop.org
           Summary: A glitch due to another stream starting to play when
                    recording from a single sink input
        QA Contact: pulseaudio-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: tanuk at iki.fi
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: core
           Product: PulseAudio

Steps to reproduce:

1. paplay some_file.ogg (the file should be long enough to be able to do the
next steps while paplay is running)

2. Check the sink input index of paplay. Here we'll assume that it's 0.

3. parecord --monitor-stream=0 test.wav

4. paplay some_other_file.ogg

5. Stop parecord, and then you can stop the paplay instances too.

6. paplay test.wav


Expected results:

test.wav contains audio from some_file.ogg without glitches.


Actual results:

test.wav contains audio from some_file.ogg, but with a glitch (pause, some
repeated audio) at the moment when some_other_file.ogg started to play.


Tested with an alsa sink (support for sink rewinding is likely to be
important).

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