1SND_PCM_PLAYBACK_EMP(9) Sound Devices SND_PCM_PLAYBACK_EMP(9)
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NAME
6snd_pcm_playback_empty - check whether the playback buffer is empty
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SYNOPSIS
9int snd_pcm_playback_empty(struct snd_pcm_substream * substream);
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ARGUMENTS
12substream
13the pcm substream instance
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DESCRIPTION
16Checks whether the playback buffer is empty.
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Returns non-zero if empty, or zero if not.
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COPYRIGHT
21Kernel Hackers Manual 2.6. June 2019 SND_PCM_PLAYBACK_EMP(9)