Alsa callback stops fireing for a few second in case of underflow
Bug #1310553 reported by
Daniel Schürmann
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Mixxx |
New
|
High
|
Unassigned |
Bug Description
This happens with low audio buffer sizes and realtime scheduling.
We should really sure what is going on here, because this could likely be a party stopper, when using effects and key-lock on a four deck setup.
Tested at Ubuntu Saucy 64bit.
Changed in mixxx: | |
importance: | Undecided → High |
tags: | added: engine performance |
tags: | added: portaudio soundio |
tags: | added: alsa |
tags: | removed: alsa soundio |
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It happens only at 2,9 ms audio buffer, not at 1,45 ms, not at 5,8 ms.
The audio thread does not return from a poll() inside PA / Alsa.