[pulseaudio-tickets] [Bug 41465] New: audio video out of sync when equalizer-sink used

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=41465

           Summary: audio video out of sync when equalizer-sink used
           Product: PulseAudio
           Version: unspecified
          Platform: All
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: modules
        AssignedTo: pulseaudio-bugs at lists.freedesktop.org
        ReportedBy: michal at physics.ubc.ca
         QAContact: pulseaudio-bugs at lists.freedesktop.org
                CC: lennart at poettering.net


When the equalizer sink is used (which works quite nicely by the way!)
video players seem to be unable to synchronize audio and video properly.

I've tried totem, vlc, and mplayer and in each case the audio lags noticeably
(~100 ms).  I have the equalizer-sink set as the default sink:
ie default.pa has:
load-module module-equalizer-sink sink_name=equalized
set-default-sink equalized


For each of those players, if the sink is set to the hardware, bypassing the
equalizer, then the a-v sync seems perfect.
I can understand why the audio latency would be greater with the equalizer
module, but it seems that the movie players aren't getting the message for the
default sink?

It's easy enough to manually set an audio delay in mplayer, but with flash
content this seems like a bit more of a problem.

I'm using pulseaudio-1.0-r1 on gentoo.

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