Query: snd_pcm_playback_data
OS: centos
Section: 9
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
SND_PCM_PLAYBACK_DAT(9) Sound Devices SND_PCM_PLAYBACK_DAT(9)NAMEsnd_pcm_playback_data - check whether any data exists on the playback bufferSYNOPSISint snd_pcm_playback_data(struct snd_pcm_substream * substream);ARGUMENTSsubstream the pcm substream instanceDESCRIPTIONChecks whether any data exists on the playback buffer.RETURNNon-zero if any data exists, or zero if not. If stop_threshold is bigger or equal to boundary, then this function returns always non-zero.COPYRIGHTKernel Hackers Manual 3.10 June 2014 SND_PCM_PLAYBACK_DAT(9)
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