[alsa-devel] Reported latency > buffersize and sometimes <0
Werner Van Belle
werner at yellowcouch.org
Wed May 18 14:00:35 CEST 2011
I recently started to check whether the new alsa drivers still work with
BpmDj (http://bpmdj.yellowcouch.org/). Thereby I encountered the problem
that the reported latency might be larger than the buffersize itself.
I guess this has to do with the asynchronity between asking the question
and retrieving the answer (e.g: a thread switch might come in between
and the actual latency is in that case bumped beyond the buffersize.. or
so .. Does this reasoning make sense ? Can I assume that such weird
values are indeed correct ?
Another problem I sometimes encounter is that the returned latency is
-1; a very annoying number since the stream was truly honoustly playing,
so how can the latency be so low then ?
With kind regards,
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