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