GST_AUDIO_BASE_SRC_CLOCK()

#define GST_AUDIO_BASE_SRC_CLOCK(obj)    (GST_AUDIO_BASE_SRC (obj)->clock)

Get the GstClock of obj .

GST_AUDIO_BASE_SRC_PAD()

#define GST_AUDIO_BASE_SRC_PAD(obj)      (GST_BASE_SRC (obj)->srcpad)

Get the source GstPad of obj .

gst_audio_base_src_create_ringbuffer ()

GstAudioRingBuffer *
gst_audio_base_src_create_ringbuffer (GstAudioBaseSrc *src);

Create and return the GstAudioRingBuffer for src . This function will call the ::create_ringbuffer vmethod and will set src as the parent of the returned buffer (see gst_object_set_parent()).

gst_audio_base_src_set_provide_clock ()

void
gst_audio_base_src_set_provide_clock (GstAudioBaseSrc *src,
                                      gboolean provide);

Controls whether src will provide a clock or not. If provide is TRUE, gst_element_provide_clock() will return a clock that reflects the datarate of src . If provide is FALSE, gst_element_provide_clock() will return NULL.

gst_audio_base_src_get_provide_clock ()

gboolean
gst_audio_base_src_get_provide_clock (GstAudioBaseSrc *src);

Queries whether src will provide a clock or not. See also gst_audio_base_src_set_provide_clock.

gst_audio_base_src_get_slave_method ()

GstAudioBaseSrcSlaveMethod
gst_audio_base_src_get_slave_method (GstAudioBaseSrc *src);

Get the current slave method used by src .

gst_audio_base_src_set_slave_method ()

void
gst_audio_base_src_set_slave_method (GstAudioBaseSrc *src,
                                     GstAudioBaseSrcSlaveMethod method);

Controls how clock slaving will be performed in src .

struct GstAudioBaseSrc

struct GstAudioBaseSrc;

Opaque GstAudioBaseSrc.

struct GstAudioBaseSrcClass

struct GstAudioBaseSrcClass {
  GstPushSrcClass      parent_class;

  /* subclass ringbuffer allocation */
  GstAudioRingBuffer* (*create_ringbuffer)  (GstAudioBaseSrc *src);
};

GstAudioBaseSrc class. Override the vmethod to implement functionality.

enum GstAudioBaseSrcSlaveMethod

Different possible clock slaving algorithms when the internal audio clock was not selected as the pipeline clock.

The “actual-buffer-time” property

  “actual-buffer-time”       gint64

Actual configured size of audio buffer in microseconds.

Flags: Read

Allowed values: >= -1

Default value: -1

The “actual-latency-time” property

  “actual-latency-time”      gint64

Actual configured audio latency in microseconds.

Flags: Read

Allowed values: >= -1

Default value: -1

The “buffer-time” property

  “buffer-time”              gint64

Size of audio buffer in microseconds. This is the maximum amount of data that is buffered in the device and the maximum latency that the source reports. This value might be ignored by the element if necessary; see "actual-buffer-time".

Flags: Read / Write

Allowed values: >= 1

Default value: 200000

The “latency-time” property

  “latency-time”             gint64

The minimum amount of data to read in each iteration in microseconds. This is the minimum latency that the source reports. This value might be ignored by the element if necessary; see "actual-latency-time".

Flags: Read / Write

Allowed values: >= 1

Default value: 10000

The “provide-clock” property

  “provide-clock”            gboolean

Provide a clock to be used as the global pipeline clock.

Flags: Read / Write

Default value: TRUE

The “slave-method” property

  “slave-method”             GstAudioBaseSrcSlaveMethod

Algorithm used to match the rate of the masterclock.

Flags: Read / Write

Default value: GST_AUDIO_BASE_SRC_SLAVE_SKEW