NAME
snd_pcm_capture_avail - Get the available (readable) space for capture
SYNOPSIS
snd_pcm_uframes_t snd_pcm_capture_avail(struct snd_pcm_runtime * runtime);
ARGUMENTS
runtime
PCM runtime instance
DESCRIPTION
Result is between 0 ... (boundary - 1)
snd_pcm_capture_avail(9)
Get the available (readable) space for capture