[pulseaudio-tickets] [Bug 49664] New: pa_modargs_get_sample_spec_and_channel_map() should not fail when only a "channel_map" argument is given.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=49664

             Bug #: 49664
           Summary: pa_modargs_get_sample_spec_and_channel_map() should
                    not fail when only a "channel_map" argument is given.
    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


This fails:
pactl load-module module-null-sink channel_map=aux0,aux1,aux2,aux3

Thid doesn't fail:
pactl load-module module-null-sink channel_map=aux0,aux1,aux2,aux3 channels=4

Both should succeed. In the first case it's obvious that the intended amount of
channels is 4. The problem is that pa_modargs_get_sample_spec_and_channel_map()
fails if "channels" is not given and the default sample spec channels don't
match the given channel map. pa_modargs_get_sample_spec_and_channel_map() needs
to be smarter than that.

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