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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>GstAudioBaseSink: GStreamer Base Plugins 1.0 Library Reference Manual</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
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<link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Library Reference Manual">
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<link rel="up" href="gstreamer-audio.html" title="Audio Library">
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<link rel="prev" href="GstAudioSrc.html" title="GstAudioSrc">
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<link rel="next" href="GstAudioBaseSrc.html" title="GstAudioBaseSrc">
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</head>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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Top |
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Description |
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Object Hierarchy |
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Properties
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GstAudioBaseSink
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GstAudioBaseSink — Base class for audio sinks
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Functions
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void
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(*GstAudioBaseSinkCustomSlavingCallback) ()
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#define
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GST_AUDIO_BASE_SINK_CLOCK()
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#define
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GST_AUDIO_BASE_SINK_PAD()
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GstAudioRingBuffer *
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gst_audio_base_sink_create_ringbuffer ()
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void
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gst_audio_base_sink_set_provide_clock ()
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gboolean
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gst_audio_base_sink_get_provide_clock ()
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void
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gst_audio_base_sink_set_slave_method ()
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GstAudioBaseSinkSlaveMethod
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gst_audio_base_sink_get_slave_method ()
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void
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gst_audio_base_sink_set_drift_tolerance ()
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gint64
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gst_audio_base_sink_get_drift_tolerance ()
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void
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gst_audio_base_sink_set_alignment_threshold ()
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GstClockTime
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gst_audio_base_sink_get_alignment_threshold ()
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void
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gst_audio_base_sink_set_discont_wait ()
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GstClockTime
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gst_audio_base_sink_get_discont_wait ()
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void
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gst_audio_base_sink_set_custom_slaving_callback ()
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void
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gst_audio_base_sink_report_device_failure ()
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Properties
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guint64
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alignment-threshold
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Read / Write
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gint64
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buffer-time
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Read / Write
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gboolean
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can-activate-pull
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Read / Write
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guint64
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discont-wait
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Read / Write
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gint64
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drift-tolerance
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Read / Write
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gint64
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latency-time
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Read / Write
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gboolean
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provide-clock
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Read / Write
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GstAudioBaseSinkSlaveMethod
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slave-method
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Read / Write
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Types and Values
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struct
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GstAudioBaseSink
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struct
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GstAudioBaseSinkClass
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enum
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GstAudioBaseSinkSlaveMethod
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enum
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GstAudioBaseSinkDiscontReason
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Object Hierarchy
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GObject
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╰── GInitiallyUnowned
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╰── GstObject
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╰── GstElement
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╰── GstBaseSink
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╰── GstAudioBaseSink
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╰── GstAudioSink
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Includes
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#include <gst/audio/gstaudiobasesink.h>
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Description
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This is the base class for audio sinks. Subclasses need to implement the
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::create_ringbuffer vmethod. This base class will then take care of
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writing samples to the ringbuffer, synchronisation, clipping and flushing.
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Functions
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GstAudioBaseSinkCustomSlavingCallback ()
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void
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(*GstAudioBaseSinkCustomSlavingCallback)
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(GstAudioBaseSink *sink,
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GstClockTime etime,
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GstClockTime itime,
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GstClockTimeDiff *requested_skew,
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GstAudioBaseSinkDiscontReason discont_reason,
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gpointer user_data);
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This function is set with gst_audio_base_sink_set_custom_slaving_callback()
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and is called during playback. It receives the current time of external and
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internal clocks, which the callback can then use to apply any custom
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slaving/synchronization schemes.
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The external clock is the sink's element clock, the internal one is the
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internal audio clock. The internal audio clock's calibration is applied to
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the timestamps before they are passed to the callback. The difference between
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etime and itime is the skew; how much internal and external clock lie apart
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from each other. A skew of 0 means both clocks are perfectly in sync.
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itime > etime means the external clock is going slower, while itime < etime
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means it is going faster than the internal clock. etime and itime are always
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valid timestamps, except for when a discontinuity happens.
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requested_skew is an output value the callback can write to. It informs the
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sink of whether or not it should move the playout pointer, and if so, by how
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much. This pointer is only NULL if a discontinuity occurs; otherwise, it is
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safe to write to *requested_skew. The default skew is 0.
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The sink may experience discontinuities. If one happens, discont is TRUE,
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itime, etime are set to GST_CLOCK_TIME_NONE, and requested_skew is NULL.
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This makes it possible to reset custom clock slaving algorithms when a
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discontinuity happens.
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Parameters
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sink
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a GstAudioBaseSink
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etime
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external clock time
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itime
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internal clock time
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requested_skew
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skew amount requested by the callback
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discont_reason
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reason for discontinuity (if any)
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user_data
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user data
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Since: 1.6
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GST_AUDIO_BASE_SINK_CLOCK()
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#define GST_AUDIO_BASE_SINK_CLOCK(obj) (GST_AUDIO_BASE_SINK (obj)->clock)
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Get the GstClock of obj
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Parameters
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obj
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a GstAudioBaseSink
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GST_AUDIO_BASE_SINK_PAD()
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#define GST_AUDIO_BASE_SINK_PAD(obj) (GST_BASE_SINK (obj)->sinkpad)
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Get the sink GstPad of obj
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Parameters
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Packit |
971217 |
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Packit |
971217 |
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971217 |
|
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Packit |
971217 |
obj
|
|
Packit |
971217 |
a GstAudioBaseSink
|
|
Packit |
971217 |
|
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Packit |
971217 |
|
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Packit |
971217 |
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971217 |
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971217 |
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971217 |
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971217 |
|
|
Packit |
971217 |
gst_audio_base_sink_create_ringbuffer ()
|
|
Packit |
971217 |
GstAudioRingBuffer *
|
|
Packit |
971217 |
gst_audio_base_sink_create_ringbuffer (GstAudioBaseSink *sink);
|
|
Packit |
971217 |
Create and return the GstAudioRingBuffer for sink
|
|
Packit |
971217 |
. This function will
|
|
Packit |
971217 |
call the ::create_ringbuffer vmethod and will set sink
|
|
Packit |
971217 |
as the parent of
|
|
Packit |
971217 |
the returned buffer (see gst_object_set_parent()).
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
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Packit |
971217 |
|
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Packit |
971217 |
|
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Packit |
971217 |
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Packit |
971217 |
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Packit |
971217 |
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Packit |
971217 |
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Packit |
971217 |
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Packit |
971217 |
sink
|
|
Packit |
971217 |
a GstAudioBaseSink.
|
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Packit |
971217 |
|
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Packit |
971217 |
|
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Packit |
971217 |
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Packit |
971217 |
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971217 |
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971217 |
Returns
|
|
Packit |
971217 |
The new ringbuffer of sink
|
|
Packit |
971217 |
.
|
|
Packit |
971217 |
[transfer none]
|
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971217 |
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971217 |
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971217 |
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971217 |
|
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971217 |
gst_audio_base_sink_set_provide_clock ()
|
|
Packit |
971217 |
void
|
|
Packit |
971217 |
gst_audio_base_sink_set_provide_clock (GstAudioBaseSink *sink,
|
|
Packit |
971217 |
gboolean provide);
|
|
Packit |
971217 |
Controls whether sink
|
|
Packit |
971217 |
will provide a clock or not. If provide
|
|
Packit |
971217 |
is TRUE,
|
|
Packit |
971217 |
gst_element_provide_clock() will return a clock that reflects the datarate
|
|
Packit |
971217 |
of sink
|
|
Packit |
971217 |
. If provide
|
|
Packit |
971217 |
is FALSE, gst_element_provide_clock() will return
|
|
Packit |
971217 |
NULL.
|
|
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971217 |
|
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971217 |
Parameters
|
|
Packit |
971217 |
|
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Packit |
971217 |
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Packit |
971217 |
|
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Packit |
971217 |
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Packit |
971217 |
|
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Packit |
971217 |
|
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Packit |
971217 |
|
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Packit |
971217 |
|
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Packit |
971217 |
sink
|
|
Packit |
971217 |
a GstAudioBaseSink
|
|
Packit |
971217 |
|
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Packit |
971217 |
|
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971217 |
|
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971217 |
provide
|
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971217 |
new state
|
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971217 |
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971217 |
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971217 |
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Packit |
971217 |
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971217 |
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971217 |
|
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Packit |
971217 |
|
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971217 |
|
|
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971217 |
gst_audio_base_sink_get_provide_clock ()
|
|
Packit |
971217 |
gboolean
|
|
Packit |
971217 |
gst_audio_base_sink_get_provide_clock (GstAudioBaseSink *sink);
|
|
Packit |
971217 |
Queries whether sink
|
|
Packit |
971217 |
will provide a clock or not. See also
|
|
Packit |
971217 |
gst_audio_base_sink_set_provide_clock.
|
|
Packit |
971217 |
|
|
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971217 |
Parameters
|
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Packit |
971217 |
|
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Packit |
971217 |
|
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Packit |
971217 |
|
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Packit |
971217 |
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971217 |
|
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Packit |
971217 |
|
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Packit |
971217 |
|
|
Packit |
971217 |
sink
|
|
Packit |
971217 |
a GstAudioBaseSink
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
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Packit |
971217 |
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971217 |
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971217 |
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971217 |
Returns
|
|
Packit |
971217 |
TRUE if sink
|
|
Packit |
971217 |
will provide a clock.
|
|
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971217 |
|
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971217 |
|
|
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971217 |
|
|
Packit |
971217 |
|
|
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971217 |
gst_audio_base_sink_set_slave_method ()
|
|
Packit |
971217 |
void
|
|
Packit |
971217 |
gst_audio_base_sink_set_slave_method (GstAudioBaseSink *sink,
|
|
Packit |
971217 |
GstAudioBaseSinkSlaveMethod method);
|
|
Packit |
971217 |
Controls how clock slaving will be performed in sink
|
|
Packit |
971217 |
.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
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Packit |
971217 |
|
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Packit |
971217 |
|
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Packit |
971217 |
|
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Packit |
971217 |
|
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Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
sink
|
|
Packit |
971217 |
a GstAudioBaseSink
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
method
|
|
Packit |
971217 |
the new slave method
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
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Packit |
971217 |
|
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971217 |
|
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971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_audio_base_sink_get_slave_method ()
|
|
Packit |
971217 |
GstAudioBaseSinkSlaveMethod
|
|
Packit |
971217 |
gst_audio_base_sink_get_slave_method (GstAudioBaseSink *sink);
|
|
Packit |
971217 |
Get the current slave method used by sink
|
|
Packit |
971217 |
.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
sink
|
|
Packit |
971217 |
a GstAudioBaseSink
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
The current slave method used by sink
|
|
Packit |
971217 |
.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_audio_base_sink_set_drift_tolerance ()
|
|
Packit |
971217 |
void
|
|
Packit |
971217 |
gst_audio_base_sink_set_drift_tolerance
|
|
Packit |
971217 |
(GstAudioBaseSink *sink,
|
|
Packit |
971217 |
gint64 drift_tolerance);
|
|
Packit |
971217 |
Controls the sink's drift tolerance.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
sink
|
|
Packit |
971217 |
a GstAudioBaseSink
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
drift_tolerance
|
|
Packit |
971217 |
the new drift tolerance in microseconds
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_audio_base_sink_get_drift_tolerance ()
|
|
Packit |
971217 |
gint64
|
|
Packit |
971217 |
gst_audio_base_sink_get_drift_tolerance
|
|
Packit |
971217 |
(GstAudioBaseSink *sink);
|
|
Packit |
971217 |
Get the current drift tolerance, in microseconds, used by sink
|
|
Packit |
971217 |
.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
sink
|
|
Packit |
971217 |
a GstAudioBaseSink
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
The current drift tolerance used by sink
|
|
Packit |
971217 |
.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_audio_base_sink_set_alignment_threshold ()
|
|
Packit |
971217 |
void
|
|
Packit |
971217 |
gst_audio_base_sink_set_alignment_threshold
|
|
Packit |
971217 |
(GstAudioBaseSink *sink,
|
|
Packit |
971217 |
GstClockTime alignment_threshold);
|
|
Packit |
971217 |
Controls the sink's alignment threshold.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
sink
|
|
Packit |
971217 |
a GstAudioBaseSink
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
alignment_threshold
|
|
Packit |
971217 |
the new alignment threshold in nanoseconds
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_audio_base_sink_get_alignment_threshold ()
|
|
Packit |
971217 |
GstClockTime
|
|
Packit |
971217 |
gst_audio_base_sink_get_alignment_threshold
|
|
Packit |
971217 |
(GstAudioBaseSink *sink);
|
|
Packit |
971217 |
Get the current alignment threshold, in nanoseconds, used by sink
|
|
Packit |
971217 |
.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
sink
|
|
Packit |
971217 |
a GstAudioBaseSink
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
The current alignment threshold used by sink
|
|
Packit |
971217 |
.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_audio_base_sink_set_discont_wait ()
|
|
Packit |
971217 |
void
|
|
Packit |
971217 |
gst_audio_base_sink_set_discont_wait (GstAudioBaseSink *sink,
|
|
Packit |
971217 |
GstClockTime discont_wait);
|
|
Packit |
971217 |
Controls how long the sink will wait before creating a discontinuity.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
sink
|
|
Packit |
971217 |
a GstAudioBaseSink
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
discont_wait
|
|
Packit |
971217 |
the new discont wait in nanoseconds
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_audio_base_sink_get_discont_wait ()
|
|
Packit |
971217 |
GstClockTime
|
|
Packit |
971217 |
gst_audio_base_sink_get_discont_wait (GstAudioBaseSink *sink);
|
|
Packit |
971217 |
Get the current discont wait, in nanoseconds, used by sink
|
|
Packit |
971217 |
.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
sink
|
|
Packit |
971217 |
a GstAudioBaseSink
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Returns
|
|
Packit |
971217 |
The current discont wait used by sink
|
|
Packit |
971217 |
.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
gst_audio_base_sink_set_custom_slaving_callback ()
|
|
Packit |
971217 |
void
|
|
Packit |
971217 |
gst_audio_base_sink_set_custom_slaving_callback
|
|
Packit |
971217 |
(GstAudioBaseSink *sink,
|
|
Packit |
971217 |
GstAudioBaseSinkCustomSlavingCallback callback,
|
|
Packit |
971217 |
gpointer user_data,
|
|
Packit |
971217 |
GDestroyNotify notify);
|
|
Packit |
971217 |
Sets the custom slaving callback. This callback will
|
|
Packit |
971217 |
be invoked if the slave-method property is set to
|
|
Packit |
971217 |
GST_AUDIO_BASE_SINK_SLAVE_CUSTOM and the audio sink
|
|
Packit |
971217 |
receives and plays samples.
|
|
Packit |
971217 |
Setting the callback to NULL causes the sink to
|
|
Packit |
971217 |
behave as if the GST_AUDIO_BASE_SINK_SLAVE_NONE
|
|
Packit |
971217 |
method were used.
|
|
Packit |
971217 |
|
|
Packit |
971217 |
Parameters
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
sink
|
|
Packit |
971217 |
a GstAudioBaseSink
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
callback
|
|
Packit |
971217 |
a GstAudioBaseSinkCustomSlavingCallback
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
user_data
|
|
Packit |
971217 |
user data passed to the callback
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
notify
|
|
Packit |
971217 |
called when user_data becomes unused
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
|
Packit |
971217 |
|
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Since: 1.6
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gst_audio_base_sink_report_device_failure ()
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void
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gst_audio_base_sink_report_device_failure
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(GstAudioBaseSink *sink);
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Informs this base class that the audio output device has failed for
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some reason, causing a discontinuity (for example, because the device
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recovered from the error, but lost all contents of its ring buffer).
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This function is typically called by derived classes, and is useful
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for the custom slave method.
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Parameters
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sink
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a GstAudioBaseSink
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Since: 1.6
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Types and Values
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struct GstAudioBaseSink
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struct GstAudioBaseSink;
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Opaque GstAudioBaseSink.
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struct GstAudioBaseSinkClass
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struct GstAudioBaseSinkClass {
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GstBaseSinkClass parent_class;
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/* subclass ringbuffer allocation */
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GstAudioRingBuffer* (*create_ringbuffer) (GstAudioBaseSink *sink);
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/* subclass payloader */
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GstBuffer* (*payload) (GstAudioBaseSink *sink,
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GstBuffer *buffer);
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};
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GstAudioBaseSink class. Override the vmethod to implement
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functionality.
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Members
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create_ringbuffer ()
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create and return a GstAudioRingBuffer to write to.
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payload ()
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payload data in a format suitable to write to the sink. If no
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payloading is required, returns a reffed copy of the original
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buffer, else returns the payloaded buffer with all other metadata
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copied.
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enum GstAudioBaseSinkSlaveMethod
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Different possible clock slaving algorithms used when the internal audio
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clock is not selected as the pipeline master clock.
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Members
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GST_AUDIO_BASE_SINK_SLAVE_RESAMPLE
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Resample to match the master clock
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GST_AUDIO_BASE_SINK_SLAVE_SKEW
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Adjust playout pointer when master clock
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drifts too much.
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GST_AUDIO_BASE_SINK_SLAVE_NONE
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No adjustment is done.
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GST_AUDIO_BASE_SINK_SLAVE_CUSTOM
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Use custom clock slaving algorithm (Since: 1.6)
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enum GstAudioBaseSinkDiscontReason
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Different possible reasons for discontinuities. This enum is useful for the custom
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slave method.
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Members
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GST_AUDIO_BASE_SINK_DISCONT_REASON_NO_DISCONT
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No discontinuity occurred
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GST_AUDIO_BASE_SINK_DISCONT_REASON_NEW_CAPS
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New caps are set, causing renegotiotion
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GST_AUDIO_BASE_SINK_DISCONT_REASON_FLUSH
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Samples have been flushed
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GST_AUDIO_BASE_SINK_DISCONT_REASON_SYNC_LATENCY
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Sink was synchronized to the estimated latency (occurs during initialization)
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GST_AUDIO_BASE_SINK_DISCONT_REASON_ALIGNMENT
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Aligning buffers failed because the timestamps are too discontinuous
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GST_AUDIO_BASE_SINK_DISCONT_REASON_DEVICE_FAILURE
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Audio output device experienced and recovered from an error but introduced latency in the process (see also gst_audio_base_sink_report_device_failure()
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)
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Since: 1.6
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Property Details
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The “alignment-threshold” property
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“alignment-threshold” guint64
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Timestamp alignment threshold in nanoseconds.
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Flags: Read / Write
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Allowed values: [1,18446744073709551614]
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Default value: 40000000
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The “buffer-time” property
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“buffer-time” gint64
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Size of audio buffer in microseconds, this is the minimum latency that the sink reports.
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Flags: Read / Write
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Allowed values: >= 1
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Default value: 200000
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The “can-activate-pull” property
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“can-activate-pull” gboolean
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Allow pull-based scheduling.
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Flags: Read / Write
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Default value: FALSE
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The “discont-wait” property
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“discont-wait” guint64
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A window of time in nanoseconds to wait before creating a discontinuity as
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a result of breaching the drift-tolerance.
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Flags: Read / Write
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Allowed values: <= 18446744073709551614
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Default value: 1000000000
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The “drift-tolerance” property
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“drift-tolerance” gint64
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Controls the amount of time in microseconds that clocks are allowed
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to drift before resynchronisation happens.
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Flags: Read / Write
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Allowed values: >= 1
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Default value: 40000
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The “latency-time” property
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“latency-time” gint64
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The minimum amount of data to write in each iteration in microseconds.
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Flags: Read / Write
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Allowed values: >= 1
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Default value: 10000
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The “provide-clock” property
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“provide-clock” gboolean
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Provide a clock to be used as the global pipeline clock.
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Flags: Read / Write
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Default value: TRUE
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The “slave-method” property
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“slave-method” GstAudioBaseSinkSlaveMethod
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Algorithm used to match the rate of the masterclock.
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Flags: Read / Write
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Default value: GST_AUDIO_BASE_SINK_SLAVE_SKEW
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See Also
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GstAudioSink, GstAudioRingBuffer.
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Generated by GTK-Doc V1.27
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</body>
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</html>
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