On Mon, May 02, 2016 at 09:43:53AM +0200, Peter Rosin wrote: > The problem is in the drain/close part. If I leave out snd_pcm_drain > I naturally lose the tail of the output, but if I have it I get what > I guess is a repeat of the content in some circular buffer. I.e. the > very last part of the played sound is played twice(ice). > If I instead write the generated samples to a file and play them > with aplay, all is fine, so I appear to be misunderstanding the > alsa api? > Anything obviously wrong in the above code? Look at how aplay handles this... it's a natural consequence of the hardware being free running. You need to either make the teardown non-blocking or play some silence at the end.
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