snd_pcm_state_t

type snd_pcm_state_t = (

  SND_PCM_STATE_OPEN = 0,

  SND_PCM_STATE_SETUP,

  SND_PCM_STATE_PREPARED,

  SND_PCM_STATE_RUNNING,

  SND_PCM_STATE_XRUN,

  SND_PCM_STATE_DRAINING,

  SND_PCM_STATE_PAUSED,

  SND_PCM_STATE_SUSPENDED,

  SND_PCM_STATE_DISCONNECTED,

  SND_PCM_STATE_LAST = SND_PCM_STATE_DISCONNECTED

);