GstAudioRingBufferCallback ()

void
(*GstAudioRingBufferCallback) (GstAudioRingBuffer *rbuf,
                               guint8 *data,
                               guint len,
                               gpointer user_data);

GST_AUDIO_RING_BUFFER_BROADCAST()

#define GST_AUDIO_RING_BUFFER_BROADCAST(buf)(g_cond_broadcast (GST_AUDIO_RING_BUFFER_GET_COND (buf)))

GST_AUDIO_RING_BUFFER_GET_COND()

#define GST_AUDIO_RING_BUFFER_GET_COND(buf) (&(((GstAudioRingBuffer *)buf)->cond))

GST_AUDIO_RING_BUFFER_SIGNAL()

#define GST_AUDIO_RING_BUFFER_SIGNAL(buf)   (g_cond_signal (GST_AUDIO_RING_BUFFER_GET_COND (buf)))

GST_AUDIO_RING_BUFFER_WAIT()

#define GST_AUDIO_RING_BUFFER_WAIT(buf)     (g_cond_wait (GST_AUDIO_RING_BUFFER_GET_COND (buf), GST_OBJECT_GET_LOCK (buf)))

gst_audio_ring_buffer_set_callback ()

void
gst_audio_ring_buffer_set_callback (GstAudioRingBuffer *buf,
                                    GstAudioRingBufferCallback cb,
                                    gpointer user_data);

gst_audio_ring_buffer_acquire ()

gboolean
gst_audio_ring_buffer_acquire (GstAudioRingBuffer *buf,
                               GstAudioRingBufferSpec *spec);

gst_audio_ring_buffer_release ()

gboolean
gst_audio_ring_buffer_release (GstAudioRingBuffer *buf);

gst_audio_ring_buffer_is_acquired ()

gboolean
gst_audio_ring_buffer_is_acquired (GstAudioRingBuffer *buf);

gst_audio_ring_buffer_activate ()

gboolean
gst_audio_ring_buffer_activate (GstAudioRingBuffer *buf,
                                gboolean active);

gst_audio_ring_buffer_is_active ()

gboolean
gst_audio_ring_buffer_is_active (GstAudioRingBuffer *buf);

gst_audio_ring_buffer_start ()

gboolean
gst_audio_ring_buffer_start (GstAudioRingBuffer *buf);

gst_audio_ring_buffer_pause ()

gboolean
gst_audio_ring_buffer_pause (GstAudioRingBuffer *buf);

gst_audio_ring_buffer_stop ()

gboolean
gst_audio_ring_buffer_stop (GstAudioRingBuffer *buf);

gst_audio_ring_buffer_delay ()

guint
gst_audio_ring_buffer_delay (GstAudioRingBuffer *buf);

gst_audio_ring_buffer_samples_done ()

guint64
gst_audio_ring_buffer_samples_done (GstAudioRingBuffer *buf);

gst_audio_ring_buffer_set_sample ()

void
gst_audio_ring_buffer_set_sample (GstAudioRingBuffer *buf,
                                  guint64 sample);

gst_audio_ring_buffer_commit ()

guint
gst_audio_ring_buffer_commit (GstAudioRingBuffer *buf,
                              guint64 *sample,
                              guint8 *data,
                              gint in_samples,
                              gint out_samples,
                              gint *accum);

gst_audio_ring_buffer_convert ()

gboolean
gst_audio_ring_buffer_convert (GstAudioRingBuffer *buf,
                               GstFormat src_fmt,
                               gint64 src_val,
                               GstFormat dest_fmt,
                               gint64 *dest_val);

gst_audio_ring_buffer_prepare_read ()

gboolean
gst_audio_ring_buffer_prepare_read (GstAudioRingBuffer *buf,
                                    gint *segment,
                                    guint8 **readptr,
                                    gint *len);

gst_audio_ring_buffer_read ()

guint
gst_audio_ring_buffer_read (GstAudioRingBuffer *buf,
                            guint64 sample,
                            guint8 *data,
                            guint len,
                            GstClockTime *timestamp);

gst_audio_ring_buffer_clear ()

void
gst_audio_ring_buffer_clear (GstAudioRingBuffer *buf,
                             gint segment);

gst_audio_ring_buffer_clear_all ()

void
gst_audio_ring_buffer_clear_all (GstAudioRingBuffer *buf);

gst_audio_ring_buffer_advance ()

void
gst_audio_ring_buffer_advance (GstAudioRingBuffer *buf,
                               guint advance);

gst_audio_ring_buffer_close_device ()

gboolean
gst_audio_ring_buffer_close_device (GstAudioRingBuffer *buf);

gst_audio_ring_buffer_open_device ()

gboolean
gst_audio_ring_buffer_open_device (GstAudioRingBuffer *buf);

gst_audio_ring_buffer_device_is_open ()

gboolean
gst_audio_ring_buffer_device_is_open (GstAudioRingBuffer *buf);

gst_audio_ring_buffer_may_start ()

void
gst_audio_ring_buffer_may_start (GstAudioRingBuffer *buf,
                                 gboolean allowed);

gst_audio_ring_buffer_parse_caps ()

gboolean
gst_audio_ring_buffer_parse_caps (GstAudioRingBufferSpec *spec,
                                  GstCaps *caps);

gst_audio_ring_buffer_set_flushing ()

void
gst_audio_ring_buffer_set_flushing (GstAudioRingBuffer *buf,
                                    gboolean flushing);

gst_audio_ring_buffer_is_flushing ()

gboolean
gst_audio_ring_buffer_is_flushing (GstAudioRingBuffer *buf);

gst_audio_ring_buffer_set_channel_positions ()

void
gst_audio_ring_buffer_set_channel_positions
                               (GstAudioRingBuffer *buf,
                                const GstAudioChannelPosition *position);

gst_audio_ring_buffer_set_timestamp ()

void
gst_audio_ring_buffer_set_timestamp (GstAudioRingBuffer *buf,
                                     gint readseg,
                                     GstClockTime timestamp);

struct GstAudioRingBuffer

struct GstAudioRingBuffer {
  GCond                      cond;
  gboolean                    open;
  gboolean                    acquired;
  guint8                     *memory;
  gsize                       size;
  GstClockTime               *timestamps;
  GstAudioRingBufferSpec      spec;
  gint                        samples_per_seg;
  guint8                     *empty_seg;

  gint                        state;
  gint                        segdone;
  gint                        segbase;
  gint                        waiting;
};

struct GstAudioRingBufferClass

struct GstAudioRingBufferClass {
  GstObjectClass parent_class;

  gboolean     (*open_device)  (GstAudioRingBuffer *buf);
  gboolean     (*acquire)      (GstAudioRingBuffer *buf, GstAudioRingBufferSpec *spec);
  gboolean     (*release)      (GstAudioRingBuffer *buf);
  gboolean     (*close_device) (GstAudioRingBuffer *buf);

  gboolean     (*start)        (GstAudioRingBuffer *buf);
  gboolean     (*pause)        (GstAudioRingBuffer *buf);
  gboolean     (*resume)       (GstAudioRingBuffer *buf);
  gboolean     (*stop)         (GstAudioRingBuffer *buf);

  guint        (*delay)        (GstAudioRingBuffer *buf);

  /* ABI added */
  gboolean     (*activate)     (GstAudioRingBuffer *buf, gboolean active);

  guint        (*commit)       (GstAudioRingBuffer * buf, guint64 *sample,
                                guint8 * data, gint in_samples,
                                gint out_samples, gint * accum);

  void         (*clear_all)    (GstAudioRingBuffer * buf);
};

struct GstAudioRingBufferSpec

struct GstAudioRingBufferSpec {
  /* in */
  GstCaps  *caps;               /* the caps of the buffer */

  /* in/out */
  GstAudioRingBufferFormatType  type;
  GstAudioInfo                  info;


  guint64  latency_time;        /* the required/actual latency time, this is the
				 * actual the size of one segment and the
				 * minimum possible latency we can achieve. */
  guint64  buffer_time;         /* the required/actual time of the buffer, this is
				 * the total size of the buffer and maximum
				 * latency we can compensate for. */
  gint     segsize;             /* size of one buffer segment in bytes, this value
				 * should be chosen to match latency_time as
				 * well as possible. */
  gint     segtotal;            /* total number of segments, this value is the
				 * number of segments of @segsize and should be
				 * chosen so that it matches buffer_time as
				 * close as possible. */
  /* ABI added 0.10.20 */
  gint     seglatency;          /* number of segments queued in the lower
				 * level device, defaults to segtotal. */
};

enum GstAudioRingBufferState

enum GstAudioRingBufferFormatType