[pulseaudio-tickets] [Bug 54007] The alsa sink does larger rewind than needed when the configured sink latency changes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54007

--- Comment #1 from Tanu Kaskinen <tanuk at iki.fi> 2012-08-25 02:39:51 UTC ---
If this gets fixed, the fix may need to be more complicated than I first
thought. If two sink inputs are created very quickly so that both
PA_SINK_MESSAGE_ADD_INPUT messages will be processed before the rewind request
from the first one is processed, and both cause the latency to go down (so the
first sink input requests a low latency and the second sink input requests even
lower latency), then the second rewind request will be too small if its size is
calculated just by subtracting the new latency from the old one. The rewind
request size needs to be calculated by subtracting the new latency from the
latency that was effective before the first sink input. That information isn't
currently available in pa_sink, so it would need to be added there.

Maybe it's best to just do a full rewind after all, for simplicity...

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