[pulseaudio-tickets] [Bug 90210] Pulse audio NOT USED multithreading

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90210

--- Comment #19 from Tanu Kaskinen <tanuk at iki.fi> ---
(In reply to Alessandro Ferri from comment #18)
> When shairport-sync play music without pulseaudio,
> (iPad ---> Shaiport-sync ---> speakers)
> it remains in sync with other Airplay devices, such as the Apple Airport
> Express. But when shairport-sync plays music through pulseaudio,
> 
> (iPad ---> Shaiport-sync ---> Pulseaudio --->speakers)
> 
> the audio is not in sync with the other Airport device.
> You always think it's a bug on shairport? or that there are parameters to
> work.

shairport-sync gets latency information from PulseAudio, and that should be
sufficient to keep the outputs in sync. If that doesn't happen, I believe it's
either a bug in shairport-sync, or the latency information from PulseAudio is
wrong, in which case it's of course PulseAudio's fault (or the alsa driver's,
but if it works with plain alsa, that seems unlikely).

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