[pulseaudio-tickets] [Bug 81824] audio from qemu guest suffers delay / pitch changes as of 5.x

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81824

--- Comment #1 from Raymond <superquad.vortex2 at gmail.com> ---
which backend are you using ?

the emulated AC97 's 64 K buffer size of the guest is smaller than that of HDA
of your host


http://git.kernel.org/cgit/virt/kvm/mst/qemu.git/tree/audio/alsaaudio.c

the alsa backend is using 4096

http://git.kernel.org/cgit/virt/kvm/mst/qemu.git/tree/audio/paaudio.c


pa_stream_connect_playback (stream, dev, attr,
                                        PA_STREAM_INTERPOLATE_TIMING
#ifdef PA_STREAM_ADJUST_LATENCY
                                        |PA_STREAM_ADJUST_LATENCY
#endif
                                        |PA_STREAM_AUTO_TIMING_UPDATE, NULL,
NULL);
    } else {

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