struct GstAlsaSink

struct GstAlsaSink {
  GstAudioSink    sink;

  gchar                 *device;

  snd_pcm_t             *handle;
  snd_pcm_hw_params_t   *hwparams;
  snd_pcm_sw_params_t   *swparams;

  snd_pcm_access_t access;
  snd_pcm_format_t format;
  guint rate;
  guint channels;
  gint bytes_per_sample;
  gboolean iec958;
  gboolean need_swap;

  guint buffer_time;
  guint period_time;
  snd_pcm_uframes_t buffer_size;
  snd_pcm_uframes_t period_size;

  GstCaps *cached_caps;

  GMutex *alsa_lock;
};