[pulseaudio-tickets] [Bug 65314] New: raop module stutters a bit, very heavily on FLAC

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65314

          Priority: medium
            Bug ID: 65314
                CC: lennart at poettering.net
          Assignee: pulseaudio-bugs at lists.freedesktop.org
           Summary: raop module stutters a bit, very heavily on FLAC
        QA Contact: pulseaudio-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: chris at epiar.net
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: modules
           Product: PulseAudio

I set up a PA sink for my Airport Express and set my PA output to that sink.
When I use Rhythmbox to playback sound, MP3s generally sound great and don't or
barely stutter, however, FLAC files stutter heavily.

I checked and my CPU still had about 80% idle, so I don't think it's a decoding
issue.

I also regularly stream from a Macbook and iPhone to this Airport device from
the same distance, so I don't think it's a wi-fi issue, though my laptop could
have an older chipset.

Does the RAOP module send MP3 data or decoded PCM data? AFAIK, RAOP streams in
ALAC format, so it doesn't make sense that this issue would be occurring.

I understand this may be a Rhythmbox issue but wanted to rule out the hard
stuff (RAOP, PA) first.

Thanks for your advice, feedback!

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