Object Hierarchy

  GObject
   +----GstObject
         +----GstElement
               +----GstBaseSink
                     +----GstBaseAudioSink
                           +----GstAudioSink

Description

Details

typedef struct _GstAudioSink GstAudioSink;

typedef struct {
  GstBaseAudioSinkClass parent_class;

  /* vtable */

  /* open the device with given specs */
  gboolean (*open)      (GstAudioSink *sink);
  /* prepare resources and state to operate with the given specs */
  gboolean (*prepare)   (GstAudioSink *sink, GstRingBufferSpec *spec);
  /* undo anything that was done in prepare() */
  gboolean (*unprepare) (GstAudioSink *sink);
  /* close the device */
  gboolean (*close)     (GstAudioSink *sink);
  /* write samples to the device */
  guint    (*write)     (GstAudioSink *sink, gpointer data, guint length);
  /* get number of samples queued in the device */
  guint    (*delay)     (GstAudioSink *sink);
  /* reset the audio device, unblock from a write */
  void     (*reset)     (GstAudioSink *sink);
} GstAudioSinkClass;