snd_pcm_playback_empty (9) Linux Manual Page
snd_pcm_playback_empty – check whether the playback buffer is empty
Synopsis
int snd_pcm_playback_empty(struct snd_pcm_substream *substream);Arguments
substream
-
- the pcm substream instance
Description
Checks whether the playback buffer is empty.
Return
Non-zero if empty, or zero if not.