最終更新:2021-01-09 (土) 14:39:05 (18d)  

snd_pcm_writei
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Write interleaved frames to a PCM.

If the blocking behaviour is selected and it is running, then routine waits until all requested frames are played or put to the playback ring buffer. The returned number of frames can be less only if a signal or underrun occurred.

https://www.alsa-project.org/alsa-doc/alsa-lib/group___p_c_m.html#gabc748a500743713eafa960c7d104ca6f

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