snd_pcm_capture_read(9)
NAME
snd_pcm_capture_ready - check whether the capture buffer is available
SYNOPSIS
int snd_pcm_capture_ready(struct snd_pcm_substream * substream);
ARGUMENTS
- substream
- the pcm substream instance
DESCRIPTION
Checks whether enough capture data is available on the capture buffer.
Returns non-zero if available, or zero if not.