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Thibault Saunier 2018-05-17 12:15:46 -04:00
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<?xml version="1.0"?>
<!-- This file was automatically generated from C sources - DO NOT EDIT!
To affect the contents of this file, edit the original C definitions,
and/or use gtk-doc annotations. -->
<repository version="1.2"
xmlns="http://www.gtk.org/introspection/core/1.0"
xmlns:c="http://www.gtk.org/introspection/c/1.0"
xmlns:glib="http://www.gtk.org/introspection/glib/1.0">
<include name="GLib" version="2.0"/>
<include name="GModule" version="2.0"/>
<include name="GObject" version="2.0"/>
<include name="Gst" version="1.0"/>
<package name="gstreamer-controller-1.0"/>
<c:include name="gst/controller/controller.h"/>
<namespace name="GstController"
version="1.0"
shared-library="libgstcontroller-1.0.so.0"
c:identifier-prefixes="Gst"
c:symbol-prefixes="gst">
<class name="ARGBControlBinding"
c:symbol-prefix="argb_control_binding"
c:type="GstARGBControlBinding"
parent="Gst.ControlBinding"
glib:type-name="GstARGBControlBinding"
glib:get-type="gst_argb_control_binding_get_type"
glib:type-struct="ARGBControlBindingClass">
<doc xml:space="preserve">A value mapping object that attaches multiple control sources to a guint
gobject properties representing a color. A control value of 0.0 will turn the
color component off and a value of 1.0 will be the color level.</doc>
<constructor name="new" c:identifier="gst_argb_control_binding_new">
<doc xml:space="preserve">Create a new control-binding that attaches the given #GstControlSource to the
#GObject property.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the new #GstARGBControlBinding</doc>
<type name="Gst.ControlBinding" c:type="GstControlBinding*"/>
</return-value>
<parameters>
<parameter name="object" transfer-ownership="none">
<doc xml:space="preserve">the object of the property</doc>
<type name="Gst.Object" c:type="GstObject*"/>
</parameter>
<parameter name="property_name" transfer-ownership="none">
<doc xml:space="preserve">the property-name to attach the control source</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="cs_a" transfer-ownership="none">
<doc xml:space="preserve">the control source for the alpha channel</doc>
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</parameter>
<parameter name="cs_r" transfer-ownership="none">
<doc xml:space="preserve">the control source for the red channel</doc>
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</parameter>
<parameter name="cs_g" transfer-ownership="none">
<doc xml:space="preserve">the control source for the green channel</doc>
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</parameter>
<parameter name="cs_b" transfer-ownership="none">
<doc xml:space="preserve">the control source for the blue channel</doc>
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</parameter>
</parameters>
</constructor>
<property name="control-source-a"
writable="1"
construct="1"
transfer-ownership="none">
<type name="Gst.ControlSource"/>
</property>
<property name="control-source-b"
writable="1"
construct="1"
transfer-ownership="none">
<type name="Gst.ControlSource"/>
</property>
<property name="control-source-g"
writable="1"
construct="1"
transfer-ownership="none">
<type name="Gst.ControlSource"/>
</property>
<property name="control-source-r"
writable="1"
construct="1"
transfer-ownership="none">
<type name="Gst.ControlSource"/>
</property>
<field name="parent">
<type name="Gst.ControlBinding" c:type="GstControlBinding"/>
</field>
<field name="cs_a" readable="0" private="1">
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</field>
<field name="cs_r" readable="0" private="1">
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</field>
<field name="cs_g" readable="0" private="1">
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</field>
<field name="cs_b" readable="0" private="1">
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</field>
<field name="cur_value" readable="0" private="1">
<type name="GObject.Value" c:type="GValue"/>
</field>
<field name="last_value" readable="0" private="1">
<type name="guint32" c:type="guint32"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</class>
<record name="ARGBControlBindingClass"
c:type="GstARGBControlBindingClass"
glib:is-gtype-struct-for="ARGBControlBinding">
<doc xml:space="preserve">The class structure of #GstARGBControlBinding.</doc>
<field name="parent_class">
<doc xml:space="preserve">Parent class</doc>
<type name="Gst.ControlBindingClass" c:type="GstControlBindingClass"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</record>
<record name="ControlPoint"
c:type="GstControlPoint"
glib:type-name="GstControlPoint"
glib:get-type="gst_control_point_get_type"
c:symbol-prefix="control_point">
<doc xml:space="preserve">An internal structure for value+time and various temporary
values used for interpolation. This "inherits" from
GstTimedValue.</doc>
<field name="timestamp" writable="1">
<doc xml:space="preserve">timestamp of the value change</doc>
<type name="Gst.ClockTime" c:type="GstClockTime"/>
</field>
<field name="value" writable="1">
<doc xml:space="preserve">the new value</doc>
<type name="gdouble" c:type="gdouble"/>
</field>
<union name="cache" c:type="cache">
<record name="cubic" c:type="cubic">
<field name="h" writable="1">
<type name="gdouble" c:type="gdouble"/>
</field>
<field name="z" writable="1">
<type name="gdouble" c:type="gdouble"/>
</field>
</record>
<record name="cubic_monotonic" c:type="cubic_monotonic">
<field name="c1s" writable="1">
<type name="gdouble" c:type="gdouble"/>
</field>
<field name="c2s" writable="1">
<type name="gdouble" c:type="gdouble"/>
</field>
<field name="c3s" writable="1">
<type name="gdouble" c:type="gdouble"/>
</field>
</record>
<field name="_gst_reserved" writable="1">
<array zero-terminated="0" c:type="guint8" fixed-size="64">
<type name="guint8" c:type="guint8"/>
</array>
</field>
</union>
<method name="copy" c:identifier="gst_control_point_copy">
<return-value transfer-ownership="full">
<type name="ControlPoint" c:type="GstControlPoint*"/>
</return-value>
<parameters>
<instance-parameter name="cp" transfer-ownership="none">
<type name="ControlPoint" c:type="GstControlPoint*"/>
</instance-parameter>
</parameters>
</method>
<method name="free" c:identifier="gst_control_point_free">
<doc xml:space="preserve">Frees all data allocated by a #GstControlPoint instance.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="cp" transfer-ownership="none">
<doc xml:space="preserve">the object to free</doc>
<type name="ControlPoint" c:type="GstControlPoint*"/>
</instance-parameter>
</parameters>
</method>
</record>
<class name="DirectControlBinding"
c:symbol-prefix="direct_control_binding"
c:type="GstDirectControlBinding"
parent="Gst.ControlBinding"
glib:type-name="GstDirectControlBinding"
glib:get-type="gst_direct_control_binding_get_type"
glib:type-struct="DirectControlBindingClass">
<doc xml:space="preserve">A value mapping object that attaches control sources to gobject properties. It
will map the control values directly to the target property range. If a
non-absolute direct control binding is used, the value range [0.0 ... 1.0]
is mapped to full target property range, and all values outside the range
will be clipped. An absolute control binding will not do any value
transformations.</doc>
<constructor name="new" c:identifier="gst_direct_control_binding_new">
<doc xml:space="preserve">Create a new control-binding that attaches the #GstControlSource to the
#GObject property. It will map the control source range [0.0 ... 1.0] to
the full target property range, and clip all values outside this range.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the new #GstDirectControlBinding</doc>
<type name="Gst.ControlBinding" c:type="GstControlBinding*"/>
</return-value>
<parameters>
<parameter name="object" transfer-ownership="none">
<doc xml:space="preserve">the object of the property</doc>
<type name="Gst.Object" c:type="GstObject*"/>
</parameter>
<parameter name="property_name" transfer-ownership="none">
<doc xml:space="preserve">the property-name to attach the control source</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="cs" transfer-ownership="none">
<doc xml:space="preserve">the control source</doc>
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</parameter>
</parameters>
</constructor>
<constructor name="new_absolute"
c:identifier="gst_direct_control_binding_new_absolute"
version="1.6">
<doc xml:space="preserve">Create a new control-binding that attaches the #GstControlSource to the
#GObject property. It will directly map the control source values to the
target property range without any transformations.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the new #GstDirectControlBinding</doc>
<type name="Gst.ControlBinding" c:type="GstControlBinding*"/>
</return-value>
<parameters>
<parameter name="object" transfer-ownership="none">
<doc xml:space="preserve">the object of the property</doc>
<type name="Gst.Object" c:type="GstObject*"/>
</parameter>
<parameter name="property_name" transfer-ownership="none">
<doc xml:space="preserve">the property-name to attach the control source</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="cs" transfer-ownership="none">
<doc xml:space="preserve">the control source</doc>
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</parameter>
</parameters>
</constructor>
<property name="absolute"
writable="1"
construct-only="1"
transfer-ownership="none">
<type name="gboolean" c:type="gboolean"/>
</property>
<property name="control-source"
writable="1"
construct="1"
transfer-ownership="none">
<type name="Gst.ControlSource"/>
</property>
<field name="parent">
<type name="Gst.ControlBinding" c:type="GstControlBinding"/>
</field>
<field name="cs" readable="0" private="1">
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</field>
<field name="cur_value" readable="0" private="1">
<type name="GObject.Value" c:type="GValue"/>
</field>
<field name="last_value" readable="0" private="1">
<type name="gdouble" c:type="gdouble"/>
</field>
<field name="byte_size" readable="0" private="1">
<type name="gint" c:type="gint"/>
</field>
<field name="convert_value" readable="0" private="1">
<type name="DirectControlBindingConvertValue"
c:type="GstDirectControlBindingConvertValue"/>
</field>
<field name="convert_g_value" readable="0" private="1">
<type name="DirectControlBindingConvertGValue"
c:type="GstDirectControlBindingConvertGValue"/>
</field>
<union name="ABI" c:type="ABI">
<field name="_gst_reserved" writable="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
<record name="abi" c:type="abi">
<field name="want_absolute" writable="1">
<type name="gboolean" c:type="gboolean"/>
</field>
</record>
</union>
</class>
<record name="DirectControlBindingClass"
c:type="GstDirectControlBindingClass"
glib:is-gtype-struct-for="DirectControlBinding">
<doc xml:space="preserve">The class structure of #GstDirectControlBinding.</doc>
<field name="parent_class">
<doc xml:space="preserve">Parent class</doc>
<type name="Gst.ControlBindingClass" c:type="GstControlBindingClass"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</record>
<callback name="DirectControlBindingConvertGValue"
c:type="GstDirectControlBindingConvertGValue">
<doc xml:space="preserve">Function to map a control-value to the target GValue.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="self" transfer-ownership="none">
<doc xml:space="preserve">the #GstDirectControlBinding instance</doc>
<type name="DirectControlBinding" c:type="GstDirectControlBinding*"/>
</parameter>
<parameter name="src_value" transfer-ownership="none">
<doc xml:space="preserve">the value returned by the cotnrol source</doc>
<type name="gdouble" c:type="gdouble"/>
</parameter>
<parameter name="dest_value" transfer-ownership="none">
<doc xml:space="preserve">the target GValue</doc>
<type name="GObject.Value" c:type="GValue*"/>
</parameter>
</parameters>
</callback>
<callback name="DirectControlBindingConvertValue"
c:type="GstDirectControlBindingConvertValue">
<doc xml:space="preserve">Function to map a control-value to the target plain data type.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="self" transfer-ownership="none">
<doc xml:space="preserve">the #GstDirectControlBinding instance</doc>
<type name="DirectControlBinding" c:type="GstDirectControlBinding*"/>
</parameter>
<parameter name="src_value" transfer-ownership="none">
<doc xml:space="preserve">the value returned by the cotnrol source</doc>
<type name="gdouble" c:type="gdouble"/>
</parameter>
<parameter name="dest_value"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">the target location</doc>
<type name="gpointer" c:type="gpointer"/>
</parameter>
</parameters>
</callback>
<class name="InterpolationControlSource"
c:symbol-prefix="interpolation_control_source"
c:type="GstInterpolationControlSource"
parent="TimedValueControlSource"
glib:type-name="GstInterpolationControlSource"
glib:get-type="gst_interpolation_control_source_get_type"
glib:type-struct="InterpolationControlSourceClass">
<doc xml:space="preserve">#GstInterpolationControlSource is a #GstControlSource, that interpolates values between user-given
control points. It supports several interpolation modes and property types.
To use #GstInterpolationControlSource get a new instance by calling
gst_interpolation_control_source_new(), bind it to a #GParamSpec and set some
control points by calling gst_timed_value_control_source_set().
All functions are MT-safe.</doc>
<constructor name="new"
c:identifier="gst_interpolation_control_source_new">
<doc xml:space="preserve">This returns a new, unbound #GstInterpolationControlSource.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">a new, unbound #GstInterpolationControlSource.</doc>
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</return-value>
</constructor>
<property name="mode" writable="1" transfer-ownership="none">
<type name="InterpolationMode"/>
</property>
<field name="parent">
<type name="TimedValueControlSource"
c:type="GstTimedValueControlSource"/>
</field>
<field name="priv" readable="0" private="1">
<type name="InterpolationControlSourcePrivate"
c:type="GstInterpolationControlSourcePrivate*"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</class>
<record name="InterpolationControlSourceClass"
c:type="GstInterpolationControlSourceClass"
glib:is-gtype-struct-for="InterpolationControlSource">
<field name="parent_class">
<type name="TimedValueControlSourceClass"
c:type="GstTimedValueControlSourceClass"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</record>
<record name="InterpolationControlSourcePrivate"
c:type="GstInterpolationControlSourcePrivate"
disguised="1">
</record>
<enumeration name="InterpolationMode"
glib:type-name="GstInterpolationMode"
glib:get-type="gst_interpolation_mode_get_type"
c:type="GstInterpolationMode">
<doc xml:space="preserve">The various interpolation modes available.</doc>
<member name="none"
value="0"
c:identifier="GST_INTERPOLATION_MODE_NONE"
glib:nick="none">
<doc xml:space="preserve">steps-like interpolation, default</doc>
</member>
<member name="linear"
value="1"
c:identifier="GST_INTERPOLATION_MODE_LINEAR"
glib:nick="linear">
<doc xml:space="preserve">linear interpolation</doc>
</member>
<member name="cubic"
value="2"
c:identifier="GST_INTERPOLATION_MODE_CUBIC"
glib:nick="cubic">
<doc xml:space="preserve">cubic interpolation (natural), may overshoot
the min or max values set by the control point, but is more 'curvy'</doc>
</member>
<member name="cubic_monotonic"
value="3"
c:identifier="GST_INTERPOLATION_MODE_CUBIC_MONOTONIC"
glib:nick="cubic-monotonic">
<doc xml:space="preserve">monotonic cubic interpolation, will not
produce any values outside of the min-max range set by the control points
(Since 1.8)</doc>
</member>
</enumeration>
<class name="LFOControlSource"
c:symbol-prefix="lfo_control_source"
c:type="GstLFOControlSource"
parent="Gst.ControlSource"
glib:type-name="GstLFOControlSource"
glib:get-type="gst_lfo_control_source_get_type"
glib:type-struct="LFOControlSourceClass">
<doc xml:space="preserve">#GstLFOControlSource is a #GstControlSource, that provides several periodic
waveforms as control values.
To use #GstLFOControlSource get a new instance by calling
gst_lfo_control_source_new(), bind it to a #GParamSpec and set the relevant
properties.
All functions are MT-safe.</doc>
<constructor name="new" c:identifier="gst_lfo_control_source_new">
<doc xml:space="preserve">This returns a new, unbound #GstLFOControlSource.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">a new, unbound #GstLFOControlSource.</doc>
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</return-value>
</constructor>
<property name="amplitude" writable="1" transfer-ownership="none">
<doc xml:space="preserve">Specifies the amplitude for the waveform of this #GstLFOControlSource.</doc>
<type name="gdouble" c:type="gdouble"/>
</property>
<property name="frequency" writable="1" transfer-ownership="none">
<doc xml:space="preserve">Specifies the frequency that should be used for the waveform
of this #GstLFOControlSource. It should be large enough
so that the period is longer than one nanosecond.</doc>
<type name="gdouble" c:type="gdouble"/>
</property>
<property name="offset" writable="1" transfer-ownership="none">
<doc xml:space="preserve">Specifies the value offset for the waveform of this #GstLFOControlSource.</doc>
<type name="gdouble" c:type="gdouble"/>
</property>
<property name="timeshift" writable="1" transfer-ownership="none">
<doc xml:space="preserve">Specifies the timeshift to the right that should be used for the waveform
of this #GstLFOControlSource in nanoseconds.
To get a n nanosecond shift to the left use
"(GST_SECOND / frequency) - n".</doc>
<type name="guint64" c:type="guint64"/>
</property>
<property name="waveform" writable="1" transfer-ownership="none">
<doc xml:space="preserve">Specifies the waveform that should be used for this #GstLFOControlSource.</doc>
<type name="LFOWaveform"/>
</property>
<field name="parent">
<type name="Gst.ControlSource" c:type="GstControlSource"/>
</field>
<field name="priv" readable="0" private="1">
<type name="LFOControlSourcePrivate"
c:type="GstLFOControlSourcePrivate*"/>
</field>
<field name="lock" readable="0" private="1">
<type name="GLib.Mutex" c:type="GMutex"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</class>
<record name="LFOControlSourceClass"
c:type="GstLFOControlSourceClass"
glib:is-gtype-struct-for="LFOControlSource">
<field name="parent_class">
<type name="Gst.ControlSourceClass" c:type="GstControlSourceClass"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</record>
<record name="LFOControlSourcePrivate"
c:type="GstLFOControlSourcePrivate"
disguised="1">
</record>
<enumeration name="LFOWaveform"
glib:type-name="GstLFOWaveform"
glib:get-type="gst_lfo_waveform_get_type"
c:type="GstLFOWaveform">
<doc xml:space="preserve">The various waveform modes available.</doc>
<member name="sine"
value="0"
c:identifier="GST_LFO_WAVEFORM_SINE"
glib:nick="sine">
<doc xml:space="preserve">sine waveform</doc>
</member>
<member name="square"
value="1"
c:identifier="GST_LFO_WAVEFORM_SQUARE"
glib:nick="square">
<doc xml:space="preserve">square waveform</doc>
</member>
<member name="saw"
value="2"
c:identifier="GST_LFO_WAVEFORM_SAW"
glib:nick="saw">
<doc xml:space="preserve">saw waveform</doc>
</member>
<member name="reverse_saw"
value="3"
c:identifier="GST_LFO_WAVEFORM_REVERSE_SAW"
glib:nick="reverse-saw">
<doc xml:space="preserve">reverse saw waveform</doc>
</member>
<member name="triangle"
value="4"
c:identifier="GST_LFO_WAVEFORM_TRIANGLE"
glib:nick="triangle">
<doc xml:space="preserve">triangle waveform</doc>
</member>
</enumeration>
<class name="ProxyControlBinding"
c:symbol-prefix="proxy_control_binding"
c:type="GstProxyControlBinding"
parent="Gst.ControlBinding"
glib:type-name="GstProxyControlBinding"
glib:get-type="gst_proxy_control_binding_get_type"
glib:type-struct="ProxyControlBindingClass">
<doc xml:space="preserve">A #GstControlBinding that forwards requests to another #GstControlBinding</doc>
<constructor name="new"
c:identifier="gst_proxy_control_binding_new"
version="1.12">
<doc xml:space="preserve">#GstProxyControlBinding forwards all access to data or sync_values()
requests from @property_name on @object to the control binding at
@ref_property_name on @ref_object.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a new #GstControlBinding that proxies the control interface between
properties on different #GstObject's</doc>
<type name="Gst.ControlBinding" c:type="GstControlBinding*"/>
</return-value>
<parameters>
<parameter name="object" transfer-ownership="none">
<doc xml:space="preserve">a #GstObject</doc>
<type name="Gst.Object" c:type="GstObject*"/>
</parameter>
<parameter name="property_name" transfer-ownership="none">
<doc xml:space="preserve">the property name in @object to control</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="ref_object" transfer-ownership="none">
<doc xml:space="preserve">a #GstObject to forward all
#GstControlBinding requests to</doc>
<type name="Gst.Object" c:type="GstObject*"/>
</parameter>
<parameter name="ref_property_name" transfer-ownership="none">
<doc xml:space="preserve">the property_name in @ref_object to control</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
</parameters>
</constructor>
<field name="parent" readable="0" private="1">
<type name="Gst.ControlBinding" c:type="GstControlBinding"/>
</field>
<field name="ref_object" readable="0" private="1">
<type name="GObject.WeakRef" c:type="GWeakRef"/>
</field>
<field name="property_name" readable="0" private="1">
<type name="utf8" c:type="gchar*"/>
</field>
<field name="_padding" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</class>
<record name="ProxyControlBindingClass"
c:type="GstProxyControlBindingClass"
glib:is-gtype-struct-for="ProxyControlBinding">
<doc xml:space="preserve">Opaque #GstProxyControlBindingClass struct</doc>
<field name="parent_class" readable="0" private="1">
<type name="Gst.ControlBindingClass" c:type="GstControlBindingClass"/>
</field>
<field name="_padding" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</record>
<class name="TimedValueControlSource"
c:symbol-prefix="timed_value_control_source"
c:type="GstTimedValueControlSource"
parent="Gst.ControlSource"
abstract="1"
glib:type-name="GstTimedValueControlSource"
glib:get-type="gst_timed_value_control_source_get_type"
glib:type-struct="TimedValueControlSourceClass">
<doc xml:space="preserve">Base class for #GstControlSource that use time-stamped values.
When overriding bind, chain up first to give this bind implementation a
chance to setup things.
All functions are MT-safe.</doc>
<method name="find_control_point_iter"
c:identifier="gst_timed_value_control_source_find_control_point_iter">
<doc xml:space="preserve">Find last value before given timestamp in control point list.
If all values in the control point list come after the given
timestamp or no values exist, %NULL is returned.
For use in control source implementations.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the found #GSequenceIter or %NULL</doc>
<type name="GLib.SequenceIter" c:type="GSequenceIter*"/>
</return-value>
<parameters>
<instance-parameter name="self" transfer-ownership="none">
<doc xml:space="preserve">the control source to search in</doc>
<type name="TimedValueControlSource"
c:type="GstTimedValueControlSource*"/>
</instance-parameter>
<parameter name="timestamp" transfer-ownership="none">
<doc xml:space="preserve">the search key</doc>
<type name="Gst.ClockTime" c:type="GstClockTime"/>
</parameter>
</parameters>
</method>
<method name="get_all"
c:identifier="gst_timed_value_control_source_get_all">
<doc xml:space="preserve">Returns a read-only copy of the list of #GstTimedValue for the given property.
Free the list after done with it.</doc>
<return-value transfer-ownership="container">
<doc xml:space="preserve">a copy
of the list, or %NULL if the property isn't handled by the controller</doc>
<type name="GLib.List" c:type="GList*">
<type name="Gst.TimedValue"/>
</type>
</return-value>
<parameters>
<instance-parameter name="self" transfer-ownership="none">
<doc xml:space="preserve">the #GstTimedValueControlSource to get the list from</doc>
<type name="TimedValueControlSource"
c:type="GstTimedValueControlSource*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_count"
c:identifier="gst_timed_value_control_source_get_count">
<doc xml:space="preserve">Get the number of control points that are set.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the number of control points that are set.</doc>
<type name="gint" c:type="gint"/>
</return-value>
<parameters>
<instance-parameter name="self" transfer-ownership="none">
<doc xml:space="preserve">the #GstTimedValueControlSource to get the number of values from</doc>
<type name="TimedValueControlSource"
c:type="GstTimedValueControlSource*"/>
</instance-parameter>
</parameters>
</method>
<method name="set" c:identifier="gst_timed_value_control_source_set">
<doc xml:space="preserve">Set the value of given controller-handled property at a certain time.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">FALSE if the values couldn't be set, TRUE otherwise.</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="self" transfer-ownership="none">
<doc xml:space="preserve">the #GstTimedValueControlSource object</doc>
<type name="TimedValueControlSource"
c:type="GstTimedValueControlSource*"/>
</instance-parameter>
<parameter name="timestamp" transfer-ownership="none">
<doc xml:space="preserve">the time the control-change is scheduled for</doc>
<type name="Gst.ClockTime" c:type="GstClockTime"/>
</parameter>
<parameter name="value" transfer-ownership="none">
<doc xml:space="preserve">the control-value</doc>
<type name="gdouble" c:type="const gdouble"/>
</parameter>
</parameters>
</method>
<method name="set_from_list"
c:identifier="gst_timed_value_control_source_set_from_list">
<doc xml:space="preserve">Sets multiple timed values at once.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">FALSE if the values couldn't be set, TRUE otherwise.</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="self" transfer-ownership="none">
<doc xml:space="preserve">the #GstTimedValueControlSource object</doc>
<type name="TimedValueControlSource"
c:type="GstTimedValueControlSource*"/>
</instance-parameter>
<parameter name="timedvalues" transfer-ownership="none">
<doc xml:space="preserve">a list
with #GstTimedValue items</doc>
<type name="GLib.SList" c:type="const GSList*">
<type name="Gst.TimedValue"/>
</type>
</parameter>
</parameters>
</method>
<method name="unset" c:identifier="gst_timed_value_control_source_unset">
<doc xml:space="preserve">Used to remove the value of given controller-handled property at a certain
time.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">FALSE if the value couldn't be unset (i.e. not found, TRUE otherwise.</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="self" transfer-ownership="none">
<doc xml:space="preserve">the #GstTimedValueControlSource object</doc>
<type name="TimedValueControlSource"
c:type="GstTimedValueControlSource*"/>
</instance-parameter>
<parameter name="timestamp" transfer-ownership="none">
<doc xml:space="preserve">the time the control-change should be removed from</doc>
<type name="Gst.ClockTime" c:type="GstClockTime"/>
</parameter>
</parameters>
</method>
<method name="unset_all"
c:identifier="gst_timed_value_control_source_unset_all">
<doc xml:space="preserve">Used to remove all time-stamped values of given controller-handled property</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="self" transfer-ownership="none">
<doc xml:space="preserve">the #GstTimedValueControlSource object</doc>
<type name="TimedValueControlSource"
c:type="GstTimedValueControlSource*"/>
</instance-parameter>
</parameters>
</method>
<field name="parent">
<type name="Gst.ControlSource" c:type="GstControlSource"/>
</field>
<field name="lock">
<type name="GLib.Mutex" c:type="GMutex"/>
</field>
<field name="values">
<type name="GLib.Sequence" c:type="GSequence*"/>
</field>
<field name="nvalues">
<type name="gint" c:type="gint"/>
</field>
<field name="valid_cache">
<type name="gboolean" c:type="gboolean"/>
</field>
<field name="priv" readable="0" private="1">
<type name="TimedValueControlSourcePrivate"
c:type="GstTimedValueControlSourcePrivate*"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
<glib:signal name="value-added" when="first" version="1.6">
<doc xml:space="preserve">Emited right after the new value has been added to @self</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="timed_value" transfer-ownership="none">
<doc xml:space="preserve">The newly added #GstTimedValue</doc>
<type name="ControlPoint"/>
</parameter>
</parameters>
</glib:signal>
<glib:signal name="value-changed" when="first" version="1.6">
<doc xml:space="preserve">Emited right after the new value has been set on @timed_signals</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="timed_value" transfer-ownership="none">
<doc xml:space="preserve">The #GstTimedValue where the value changed</doc>
<type name="ControlPoint"/>
</parameter>
</parameters>
</glib:signal>
<glib:signal name="value-removed" when="first" version="1.6">
<doc xml:space="preserve">Emited when @timed_value is removed from @self</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="timed_value" transfer-ownership="none">
<doc xml:space="preserve">The removed #GstTimedValue</doc>
<type name="ControlPoint"/>
</parameter>
</parameters>
</glib:signal>
</class>
<record name="TimedValueControlSourceClass"
c:type="GstTimedValueControlSourceClass"
glib:is-gtype-struct-for="TimedValueControlSource">
<field name="parent_class">
<type name="Gst.ControlSourceClass" c:type="GstControlSourceClass"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</record>
<record name="TimedValueControlSourcePrivate"
c:type="GstTimedValueControlSourcePrivate"
disguised="1">
</record>
<class name="TriggerControlSource"
c:symbol-prefix="trigger_control_source"
c:type="GstTriggerControlSource"
parent="TimedValueControlSource"
glib:type-name="GstTriggerControlSource"
glib:get-type="gst_trigger_control_source_get_type"
glib:type-struct="TriggerControlSourceClass">
<doc xml:space="preserve">#GstTriggerControlSource is a #GstControlSource, that returns values from user-given
control points. It allows for a tolerance on the time-stamps.
To use #GstTriggerControlSource get a new instance by calling
gst_trigger_control_source_new(), bind it to a #GParamSpec and set some
control points by calling gst_timed_value_control_source_set().
All functions are MT-safe.</doc>
<constructor name="new" c:identifier="gst_trigger_control_source_new">
<doc xml:space="preserve">This returns a new, unbound #GstTriggerControlSource.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">a new, unbound #GstTriggerControlSource.</doc>
<type name="Gst.ControlSource" c:type="GstControlSource*"/>
</return-value>
</constructor>
<property name="tolerance" writable="1" transfer-ownership="none">
<type name="gint64" c:type="gint64"/>
</property>
<field name="parent">
<type name="TimedValueControlSource"
c:type="GstTimedValueControlSource"/>
</field>
<field name="priv" readable="0" private="1">
<type name="TriggerControlSourcePrivate"
c:type="GstTriggerControlSourcePrivate*"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</class>
<record name="TriggerControlSourceClass"
c:type="GstTriggerControlSourceClass"
glib:is-gtype-struct-for="TriggerControlSource">
<field name="parent_class">
<type name="TimedValueControlSourceClass"
c:type="GstTimedValueControlSourceClass"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</record>
<record name="TriggerControlSourcePrivate"
c:type="GstTriggerControlSourcePrivate"
disguised="1">
</record>
<function name="timed_value_control_invalidate_cache"
c:identifier="gst_timed_value_control_invalidate_cache">
<doc xml:space="preserve">Reset the controlled value cache.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="self" transfer-ownership="none">
<doc xml:space="preserve">the #GstTimedValueControlSource</doc>
<type name="TimedValueControlSource"
c:type="GstTimedValueControlSource*"/>
</parameter>
</parameters>
</function>
</namespace>
</repository>

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<?xml version="1.0"?>
<!-- This file was automatically generated from C sources - DO NOT EDIT!
To affect the contents of this file, edit the original C definitions,
and/or use gtk-doc annotations. -->
<repository version="1.2"
xmlns="http://www.gtk.org/introspection/core/1.0"
xmlns:c="http://www.gtk.org/introspection/c/1.0"
xmlns:glib="http://www.gtk.org/introspection/glib/1.0">
<include name="GLib" version="2.0"/>
<include name="GModule" version="2.0"/>
<include name="GObject" version="2.0"/>
<include name="Gio" version="2.0"/>
<include name="Gst" version="1.0"/>
<package name="gstreamer-net-1.0"/>
<c:include name="gst/net/net.h"/>
<namespace name="GstNet"
version="1.0"
shared-library="libgstnet-1.0.so.0"
c:identifier-prefixes="Gst"
c:symbol-prefixes="gst">
<constant name="NET_TIME_PACKET_SIZE"
value="16"
c:type="GST_NET_TIME_PACKET_SIZE">
<doc xml:space="preserve">The size of the packets sent between network clocks.</doc>
<type name="gint" c:type="gint"/>
</constant>
<record name="NetAddressMeta" c:type="GstNetAddressMeta">
<doc xml:space="preserve">#GstNetAddressMeta can be used to store a network address (a #GSocketAddress)
in a #GstBuffer so that it network elements can track the to and from address
of the buffer.</doc>
<field name="meta" writable="1">
<doc xml:space="preserve">the parent type</doc>
<type name="Gst.Meta" c:type="GstMeta"/>
</field>
<field name="addr" writable="1">
<doc xml:space="preserve">a #GSocketAddress stored as metadata</doc>
<type name="Gio.SocketAddress" c:type="GSocketAddress*"/>
</field>
<function name="get_info" c:identifier="gst_net_address_meta_get_info">
<return-value transfer-ownership="none">
<type name="Gst.MetaInfo" c:type="const GstMetaInfo*"/>
</return-value>
</function>
</record>
<class name="NetClientClock"
c:symbol-prefix="net_client_clock"
c:type="GstNetClientClock"
parent="Gst.SystemClock"
glib:type-name="GstNetClientClock"
glib:get-type="gst_net_client_clock_get_type"
glib:type-struct="NetClientClockClass">
<doc xml:space="preserve">#GstNetClientClock implements a custom #GstClock that synchronizes its time
to a remote time provider such as #GstNetTimeProvider. #GstNtpClock
implements a #GstClock that synchronizes its time to a remote NTPv4 server.
A new clock is created with gst_net_client_clock_new() or
gst_ntp_clock_new(), which takes the address and port of the remote time
provider along with a name and an initial time.
This clock will poll the time provider and will update its calibration
parameters based on the local and remote observations.
The "round-trip" property limits the maximum round trip packets can take.
Various parameters of the clock can be configured with the parent #GstClock
"timeout", "window-size" and "window-threshold" object properties.
A #GstNetClientClock and #GstNtpClock is typically set on a #GstPipeline with
gst_pipeline_use_clock().
If you set a #GstBus on the clock via the "bus" object property, it will
send @GST_MESSAGE_ELEMENT messages with an attached #GstStructure containing
statistics about clock accuracy and network traffic.</doc>
<constructor name="new" c:identifier="gst_net_client_clock_new">
<doc xml:space="preserve">Create a new #GstNetClientInternalClock that will report the time
provided by the #GstNetTimeProvider on @remote_address and
@remote_port.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">a new #GstClock that receives a time from the remote
clock.</doc>
<type name="Gst.Clock" c:type="GstClock*"/>
</return-value>
<parameters>
<parameter name="name" transfer-ownership="none">
<doc xml:space="preserve">a name for the clock</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="remote_address" transfer-ownership="none">
<doc xml:space="preserve">the address or hostname of the remote clock provider</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="remote_port" transfer-ownership="none">
<doc xml:space="preserve">the port of the remote clock provider</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="base_time" transfer-ownership="none">
<doc xml:space="preserve">initial time of the clock</doc>
<type name="Gst.ClockTime" c:type="GstClockTime"/>
</parameter>
</parameters>
</constructor>
<property name="address"
writable="1"
construct="1"
transfer-ownership="none">
<type name="utf8" c:type="gchar*"/>
</property>
<property name="base-time"
writable="1"
construct-only="1"
transfer-ownership="none">
<type name="guint64" c:type="guint64"/>
</property>
<property name="bus" writable="1" transfer-ownership="none">
<type name="Gst.Bus"/>
</property>
<property name="internal-clock" transfer-ownership="none">
<type name="Gst.Clock"/>
</property>
<property name="minimum-update-interval"
writable="1"
transfer-ownership="none">
<type name="guint64" c:type="guint64"/>
</property>
<property name="port"
writable="1"
construct="1"
transfer-ownership="none">
<type name="gint" c:type="gint"/>
</property>
<property name="qos-dscp" writable="1" transfer-ownership="none">
<type name="gint" c:type="gint"/>
</property>
<property name="round-trip-limit" writable="1" transfer-ownership="none">
<type name="guint64" c:type="guint64"/>
</property>
<field name="clock">
<type name="Gst.SystemClock" c:type="GstSystemClock"/>
</field>
<field name="priv" readable="0" private="1">
<type name="NetClientClockPrivate" c:type="GstNetClientClockPrivate*"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</class>
<record name="NetClientClockClass"
c:type="GstNetClientClockClass"
glib:is-gtype-struct-for="NetClientClock">
<field name="parent_class">
<type name="Gst.SystemClockClass" c:type="GstSystemClockClass"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</record>
<record name="NetClientClockPrivate"
c:type="GstNetClientClockPrivate"
disguised="1">
</record>
<record name="NetControlMessageMeta" c:type="GstNetControlMessageMeta">
<doc xml:space="preserve">#GstNetControlMessageMeta can be used to store control messages (ancillary
data) which was received with or is to be sent alongside the buffer data.
When used with socket sinks and sources which understand this meta it allows
sending and receiving ancillary data such as unix credentials (See
#GUnixCredentialsMessage) and Unix file descriptions (See #GUnixFDMessage).</doc>
<field name="meta" writable="1">
<doc xml:space="preserve">the parent type</doc>
<type name="Gst.Meta" c:type="GstMeta"/>
</field>
<field name="message" writable="1">
<doc xml:space="preserve">a #GSocketControlMessage stored as metadata</doc>
<type name="Gio.SocketControlMessage" c:type="GSocketControlMessage*"/>
</field>
<function name="get_info"
c:identifier="gst_net_control_message_meta_get_info">
<return-value transfer-ownership="none">
<type name="Gst.MetaInfo" c:type="const GstMetaInfo*"/>
</return-value>
</function>
</record>
<record name="NetTimePacket"
c:type="GstNetTimePacket"
glib:type-name="GstNetTimePacket"
glib:get-type="gst_net_time_packet_get_type"
c:symbol-prefix="net_time_packet">
<doc xml:space="preserve">Various functions for receiving, sending an serializing #GstNetTimePacket
structures.</doc>
<field name="local_time" writable="1">
<doc xml:space="preserve">the local time when this packet was sent</doc>
<type name="Gst.ClockTime" c:type="GstClockTime"/>
</field>
<field name="remote_time" writable="1">
<doc xml:space="preserve">the remote time observation</doc>
<type name="Gst.ClockTime" c:type="GstClockTime"/>
</field>
<constructor name="new" c:identifier="gst_net_time_packet_new">
<doc xml:space="preserve">Creates a new #GstNetTimePacket from a buffer received over the network. The
caller is responsible for ensuring that @buffer is at least
#GST_NET_TIME_PACKET_SIZE bytes long.
If @buffer is %NULL, the local and remote times will be set to
#GST_CLOCK_TIME_NONE.
MT safe. Caller owns return value (gst_net_time_packet_free to free).</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">The new #GstNetTimePacket.</doc>
<type name="NetTimePacket" c:type="GstNetTimePacket*"/>
</return-value>
<parameters>
<parameter name="buffer" transfer-ownership="none">
<doc xml:space="preserve">a buffer from which to construct the packet, or NULL</doc>
<array zero-terminated="0" c:type="guint8*">
<type name="guint8" c:type="guint8"/>
</array>
</parameter>
</parameters>
</constructor>
<method name="copy" c:identifier="gst_net_time_packet_copy">
<doc xml:space="preserve">Make a copy of @packet.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">a copy of @packet, free with gst_net_time_packet_free().</doc>
<type name="NetTimePacket" c:type="GstNetTimePacket*"/>
</return-value>
<parameters>
<instance-parameter name="packet" transfer-ownership="none">
<doc xml:space="preserve">the #GstNetTimePacket</doc>
<type name="NetTimePacket" c:type="const GstNetTimePacket*"/>
</instance-parameter>
</parameters>
</method>
<method name="free" c:identifier="gst_net_time_packet_free">
<doc xml:space="preserve">Free @packet.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="packet" transfer-ownership="none">
<doc xml:space="preserve">the #GstNetTimePacket</doc>
<type name="NetTimePacket" c:type="GstNetTimePacket*"/>
</instance-parameter>
</parameters>
</method>
<method name="send" c:identifier="gst_net_time_packet_send" throws="1">
<doc xml:space="preserve">Sends a #GstNetTimePacket over a socket.
MT safe.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">TRUE if successful, FALSE in case an error occurred.</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="packet" transfer-ownership="none">
<doc xml:space="preserve">the #GstNetTimePacket to send</doc>
<type name="NetTimePacket" c:type="const GstNetTimePacket*"/>
</instance-parameter>
<parameter name="socket" transfer-ownership="none">
<doc xml:space="preserve">socket to send the time packet on</doc>
<type name="Gio.Socket" c:type="GSocket*"/>
</parameter>
<parameter name="dest_address" transfer-ownership="none">
<doc xml:space="preserve">address to send the time packet to</doc>
<type name="Gio.SocketAddress" c:type="GSocketAddress*"/>
</parameter>
</parameters>
</method>
<method name="serialize" c:identifier="gst_net_time_packet_serialize">
<doc xml:space="preserve">Serialized a #GstNetTimePacket into a newly-allocated sequence of
#GST_NET_TIME_PACKET_SIZE bytes, in network byte order. The value returned is
suitable for passing to write(2) or sendto(2) for communication over the
network.
MT safe. Caller owns return value (g_free to free).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">A newly allocated sequence of #GST_NET_TIME_PACKET_SIZE bytes.</doc>
<type name="guint8" c:type="guint8*"/>
</return-value>
<parameters>
<instance-parameter name="packet" transfer-ownership="none">
<doc xml:space="preserve">the #GstNetTimePacket</doc>
<type name="NetTimePacket" c:type="const GstNetTimePacket*"/>
</instance-parameter>
</parameters>
</method>
<function name="receive"
c:identifier="gst_net_time_packet_receive"
throws="1">
<doc xml:space="preserve">Receives a #GstNetTimePacket over a socket. Handles interrupted system
calls, but otherwise returns NULL on error.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">a new #GstNetTimePacket, or NULL on error. Free
with gst_net_time_packet_free() when done.</doc>
<type name="NetTimePacket" c:type="GstNetTimePacket*"/>
</return-value>
<parameters>
<parameter name="socket" transfer-ownership="none">
<doc xml:space="preserve">socket to receive the time packet on</doc>
<type name="Gio.Socket" c:type="GSocket*"/>
</parameter>
<parameter name="src_address"
direction="out"
caller-allocates="0"
transfer-ownership="full">
<doc xml:space="preserve">address of variable to return sender address</doc>
<type name="Gio.SocketAddress" c:type="GSocketAddress**"/>
</parameter>
</parameters>
</function>
</record>
<class name="NetTimeProvider"
c:symbol-prefix="net_time_provider"
c:type="GstNetTimeProvider"
parent="Gst.Object"
glib:type-name="GstNetTimeProvider"
glib:get-type="gst_net_time_provider_get_type"
glib:type-struct="NetTimeProviderClass">
<doc xml:space="preserve">This object exposes the time of a #GstClock on the network.
A #GstNetTimeProvider is created with gst_net_time_provider_new() which
takes a #GstClock, an address and a port number as arguments.
After creating the object, a client clock such as #GstNetClientClock can
query the exposed clock over the network for its values.
The #GstNetTimeProvider typically wraps the clock used by a #GstPipeline.</doc>
<implements name="Gio.Initable"/>
<constructor name="new" c:identifier="gst_net_time_provider_new">
<doc xml:space="preserve">Allows network clients to get the current time of @clock.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the new #GstNetTimeProvider, or NULL on error</doc>
<type name="NetTimeProvider" c:type="GstNetTimeProvider*"/>
</return-value>
<parameters>
<parameter name="clock" transfer-ownership="none">
<doc xml:space="preserve">a #GstClock to export over the network</doc>
<type name="Gst.Clock" c:type="GstClock*"/>
</parameter>
<parameter name="address"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">an address to bind on as a dotted quad
(xxx.xxx.xxx.xxx), IPv6 address, or NULL to bind to all addresses</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="port" transfer-ownership="none">
<doc xml:space="preserve">a port to bind on, or 0 to let the kernel choose</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</constructor>
<property name="active" writable="1" transfer-ownership="none">
<type name="gboolean" c:type="gboolean"/>
</property>
<property name="address"
writable="1"
construct-only="1"
transfer-ownership="none">
<type name="utf8" c:type="gchar*"/>
</property>
<property name="clock"
writable="1"
construct-only="1"
transfer-ownership="none">
<type name="Gst.Clock"/>
</property>
<property name="port"
writable="1"
construct-only="1"
transfer-ownership="none">
<type name="gint" c:type="gint"/>
</property>
<property name="qos-dscp" writable="1" transfer-ownership="none">
<type name="gint" c:type="gint"/>
</property>
<field name="parent">
<type name="Gst.Object" c:type="GstObject"/>
</field>
<field name="priv" readable="0" private="1">
<type name="NetTimeProviderPrivate"
c:type="GstNetTimeProviderPrivate*"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</class>
<record name="NetTimeProviderClass"
c:type="GstNetTimeProviderClass"
glib:is-gtype-struct-for="NetTimeProvider">
<field name="parent_class">
<type name="Gst.ObjectClass" c:type="GstObjectClass"/>
</field>
<field name="_gst_reserved">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</record>
<record name="NetTimeProviderPrivate"
c:type="GstNetTimeProviderPrivate"
disguised="1">
</record>
<class name="NtpClock"
c:symbol-prefix="ntp_clock"
c:type="GstNtpClock"
parent="NetClientClock"
glib:type-name="GstNtpClock"
glib:get-type="gst_ntp_clock_get_type"
glib:type-struct="NtpClockClass">
<constructor name="new" c:identifier="gst_ntp_clock_new" version="1.6">
<doc xml:space="preserve">Create a new #GstNtpClock that will report the time provided by
the NTPv4 server on @remote_address and @remote_port.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">a new #GstClock that receives a time from the remote
clock.</doc>
<type name="Gst.Clock" c:type="GstClock*"/>
</return-value>
<parameters>
<parameter name="name" transfer-ownership="none">
<doc xml:space="preserve">a name for the clock</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="remote_address" transfer-ownership="none">
<doc xml:space="preserve">the address or hostname of the remote clock provider</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="remote_port" transfer-ownership="none">
<doc xml:space="preserve">the port of the remote clock provider</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="base_time" transfer-ownership="none">
<doc xml:space="preserve">initial time of the clock</doc>
<type name="Gst.ClockTime" c:type="GstClockTime"/>
</parameter>
</parameters>
</constructor>
<field name="clock">
<type name="Gst.SystemClock" c:type="GstSystemClock"/>
</field>
<field name="priv" readable="0" private="1">
<type name="NetClientClockPrivate" c:type="GstNetClientClockPrivate*"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</class>
<record name="NtpClockClass"
c:type="GstNtpClockClass"
glib:is-gtype-struct-for="NtpClock">
<field name="parent_class">
<type name="Gst.SystemClockClass" c:type="GstSystemClockClass"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</record>
<constant name="PTP_CLOCK_ID_NONE"
value="18446744073709551615"
c:type="GST_PTP_CLOCK_ID_NONE">
<doc xml:space="preserve">PTP clock identification that can be passed to gst_ptp_init() to
automatically select one based on the MAC address of interfaces</doc>
<type name="guint64" c:type="guint64"/>
</constant>
<constant name="PTP_STATISTICS_BEST_MASTER_CLOCK_SELECTED"
value="GstPtpStatisticsBestMasterClockSelected"
c:type="GST_PTP_STATISTICS_BEST_MASTER_CLOCK_SELECTED">
<type name="utf8" c:type="gchar*"/>
</constant>
<constant name="PTP_STATISTICS_NEW_DOMAIN_FOUND"
value="GstPtpStatisticsNewDomainFound"
c:type="GST_PTP_STATISTICS_NEW_DOMAIN_FOUND">
<type name="utf8" c:type="gchar*"/>
</constant>
<constant name="PTP_STATISTICS_PATH_DELAY_MEASURED"
value="GstPtpStatisticsPathDelayMeasured"
c:type="GST_PTP_STATISTICS_PATH_DELAY_MEASURED">
<type name="utf8" c:type="gchar*"/>
</constant>
<constant name="PTP_STATISTICS_TIME_UPDATED"
value="GstPtpStatisticsTimeUpdated"
c:type="GST_PTP_STATISTICS_TIME_UPDATED">
<type name="utf8" c:type="gchar*"/>
</constant>
<class name="PtpClock"
c:symbol-prefix="ptp_clock"
c:type="GstPtpClock"
parent="Gst.SystemClock"
glib:type-name="GstPtpClock"
glib:get-type="gst_ptp_clock_get_type"
glib:type-struct="PtpClockClass">
<doc xml:space="preserve">GstPtpClock implements a PTP (IEEE1588:2008) ordinary clock in slave-only
mode, that allows a GStreamer pipeline to synchronize to a PTP network
clock in some specific domain.
The PTP subsystem can be initialized with gst_ptp_init(), which then starts
a helper process to do the actual communication via the PTP ports. This is
required as PTP listens on ports &lt; 1024 and thus requires special
privileges. Once this helper process is started, the main process will
synchronize to all PTP domains that are detected on the selected
interfaces.
gst_ptp_clock_new() then allows to create a GstClock that provides the PTP
time from a master clock inside a specific PTP domain. This clock will only
return valid timestamps once the timestamps in the PTP domain are known. To
check this, you can use gst_clock_wait_for_sync(), the GstClock::synced
signal and gst_clock_is_synced().
To gather statistics about the PTP clock synchronization,
gst_ptp_statistics_callback_add() can be used. This gives the application
the possibility to collect all kinds of statistics from the clock
synchronization.</doc>
<constructor name="new" c:identifier="gst_ptp_clock_new" version="1.6">
<doc xml:space="preserve">Creates a new PTP clock instance that exports the PTP time of the master
clock in @domain. This clock can be slaved to other clocks as needed.
If gst_ptp_init() was not called before, this will call gst_ptp_init() with
default parameters.
This clock only returns valid timestamps after it received the first
times from the PTP master clock on the network. Once this happens the
GstPtpClock::internal-clock property will become non-NULL. You can
check this with gst_clock_wait_for_sync(), the GstClock::synced signal and
gst_clock_is_synced().</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">A new #GstClock</doc>
<type name="Gst.Clock" c:type="GstClock*"/>
</return-value>
<parameters>
<parameter name="name" transfer-ownership="none">
<doc xml:space="preserve">Name of the clock</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="domain" transfer-ownership="none">
<doc xml:space="preserve">PTP domain</doc>
<type name="guint" c:type="guint"/>
</parameter>
</parameters>
</constructor>
<property name="domain"
writable="1"
construct-only="1"
transfer-ownership="none">
<type name="guint" c:type="guint"/>
</property>
<property name="grandmaster-clock-id" transfer-ownership="none">
<type name="guint64" c:type="guint64"/>
</property>
<property name="internal-clock" transfer-ownership="none">
<type name="Gst.Clock"/>
</property>
<property name="master-clock-id" transfer-ownership="none">
<type name="guint64" c:type="guint64"/>
</property>
<field name="clock">
<type name="Gst.SystemClock" c:type="GstSystemClock"/>
</field>
<field name="priv" readable="0" private="1">
<type name="PtpClockPrivate" c:type="GstPtpClockPrivate*"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</class>
<record name="PtpClockClass"
c:type="GstPtpClockClass"
glib:is-gtype-struct-for="PtpClock">
<doc xml:space="preserve">Opaque #GstPtpClockClass structure.</doc>
<field name="parent_class">
<doc xml:space="preserve">parented to #GstSystemClockClass</doc>
<type name="Gst.SystemClockClass" c:type="GstSystemClockClass"/>
</field>
<field name="_gst_reserved" readable="0" private="1">
<array zero-terminated="0" c:type="gpointer" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</record>
<record name="PtpClockPrivate" c:type="GstPtpClockPrivate" disguised="1">
</record>
<callback name="PtpStatisticsCallback" c:type="GstPtpStatisticsCallback">
<doc xml:space="preserve">The statistics can be the following structures:
GST_PTP_STATISTICS_NEW_DOMAIN_FOUND:
"domain" G_TYPE_UINT The domain identifier of the domain
"clock" GST_TYPE_CLOCK The internal clock that is slaved to the
PTP domain
GST_PTP_STATISTICS_BEST_MASTER_CLOCK_SELECTED:
"domain" G_TYPE_UINT The domain identifier of the domain
"master-clock-id" G_TYPE_UINT64 PTP clock identifier of the selected master
clock
"master-clock-port" G_TYPE_UINT PTP port number of the selected master clock
"grandmaster-clock-id" G_TYPE_UINT64 PTP clock identifier of the grandmaster clock
GST_PTP_STATISTICS_PATH_DELAY_MEASURED:
"domain" G_TYPE_UINT The domain identifier of the domain
"mean-path-delay-avg" GST_TYPE_CLOCK_TIME Average mean path delay
"mean-path-delay" GST_TYPE_CLOCK_TIME Latest mean path delay
"delay-request-delay" GST_TYPE_CLOCK_TIME Delay of DELAY_REQ / DELAY_RESP messages
GST_PTP_STATISTICS_TIME_UPDATED:
"domain" G_TYPE_UINT The domain identifier of the domain
"mean-path-delay-avg" GST_TYPE_CLOCK_TIME Average mean path delay
"local-time" GST_TYPE_CLOCK_TIME Local time that corresponds to ptp-time
"ptp-time" GST_TYPE_CLOCK_TIME Newly measured PTP time at local-time
"estimated-ptp-time" GST_TYPE_CLOCK_TIME Estimated PTP time based on previous measurements
"discontinuity" G_TYPE_INT64 Difference between estimated and measured PTP time
"synced" G_TYPE_BOOLEAN Currently synced to the remote clock
"r-squared" G_TYPE_DOUBLE R² of clock estimation regression
"internal-time" GST_TYPE_CLOCK_TIME Internal time clock parameter
"external-time" GST_TYPE_CLOCK_TIME External time clock parameter
"rate-num" G_TYPE_UINT64 Internal/external rate numerator
"rate-den" G_TYPE_UINT64 Internal/external rate denominator
"rate" G_TYPE_DOUBLE Internal/external rate
If %FALSE is returned, the callback is removed and never called again.</doc>
<return-value transfer-ownership="none">
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<parameter name="domain" transfer-ownership="none">
<doc xml:space="preserve">PTP domain identifier</doc>
<type name="guint8" c:type="guint8"/>
</parameter>
<parameter name="stats" transfer-ownership="none">
<doc xml:space="preserve">New statistics</doc>
<type name="Gst.Structure" c:type="const GstStructure*"/>
</parameter>
<parameter name="user_data"
transfer-ownership="none"
nullable="1"
allow-none="1"
closure="2">
<doc xml:space="preserve">Data passed to gst_ptp_statistics_callback_add()</doc>
<type name="gpointer" c:type="gpointer"/>
</parameter>
</parameters>
</callback>
<function name="buffer_add_net_address_meta"
c:identifier="gst_buffer_add_net_address_meta">
<doc xml:space="preserve">Attaches @addr as metadata in a #GstNetAddressMeta to @buffer.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #GstNetAddressMeta connected to @buffer</doc>
<type name="NetAddressMeta" c:type="GstNetAddressMeta*"/>
</return-value>
<parameters>
<parameter name="buffer" transfer-ownership="none">
<doc xml:space="preserve">a #GstBuffer</doc>
<type name="Gst.Buffer" c:type="GstBuffer*"/>
</parameter>
<parameter name="addr" transfer-ownership="none">
<doc xml:space="preserve">a @GSocketAddress to connect to @buffer</doc>
<type name="Gio.SocketAddress" c:type="GSocketAddress*"/>
</parameter>
</parameters>
</function>
<function name="buffer_add_net_control_message_meta"
c:identifier="gst_buffer_add_net_control_message_meta">
<doc xml:space="preserve">Attaches @message as metadata in a #GstNetControlMessageMeta to @buffer.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #GstNetControlMessageMeta connected to @buffer</doc>
<type name="NetControlMessageMeta" c:type="GstNetControlMessageMeta*"/>
</return-value>
<parameters>
<parameter name="buffer" transfer-ownership="none">
<doc xml:space="preserve">a #GstBuffer</doc>
<type name="Gst.Buffer" c:type="GstBuffer*"/>
</parameter>
<parameter name="message" transfer-ownership="none">
<doc xml:space="preserve">a @GSocketControlMessage to attach to @buffer</doc>
<type name="Gio.SocketControlMessage"
c:type="GSocketControlMessage*"/>
</parameter>
</parameters>
</function>
<function name="buffer_get_net_address_meta"
c:identifier="gst_buffer_get_net_address_meta">
<doc xml:space="preserve">Find the #GstNetAddressMeta on @buffer.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the #GstNetAddressMeta or %NULL when there
is no such metadata on @buffer.</doc>
<type name="NetAddressMeta" c:type="GstNetAddressMeta*"/>
</return-value>
<parameters>
<parameter name="buffer" transfer-ownership="none">
<doc xml:space="preserve">a #GstBuffer</doc>
<type name="Gst.Buffer" c:type="GstBuffer*"/>
</parameter>
</parameters>
</function>
<function name="net_address_meta_api_get_type"
c:identifier="gst_net_address_meta_api_get_type">
<return-value transfer-ownership="none">
<type name="GType" c:type="GType"/>
</return-value>
</function>
<function name="net_address_meta_get_info"
c:identifier="gst_net_address_meta_get_info"
moved-to="NetAddressMeta.get_info">
<return-value transfer-ownership="none">
<type name="Gst.MetaInfo" c:type="const GstMetaInfo*"/>
</return-value>
</function>
<function name="net_control_message_meta_api_get_type"
c:identifier="gst_net_control_message_meta_api_get_type">
<return-value transfer-ownership="none">
<type name="GType" c:type="GType"/>
</return-value>
</function>
<function name="net_control_message_meta_get_info"
c:identifier="gst_net_control_message_meta_get_info"
moved-to="NetControlMessageMeta.get_info">
<return-value transfer-ownership="none">
<type name="Gst.MetaInfo" c:type="const GstMetaInfo*"/>
</return-value>
</function>
<function name="net_time_packet_receive"
c:identifier="gst_net_time_packet_receive"
moved-to="NetTimePacket.receive"
throws="1">
<doc xml:space="preserve">Receives a #GstNetTimePacket over a socket. Handles interrupted system
calls, but otherwise returns NULL on error.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">a new #GstNetTimePacket, or NULL on error. Free
with gst_net_time_packet_free() when done.</doc>
<type name="NetTimePacket" c:type="GstNetTimePacket*"/>
</return-value>
<parameters>
<parameter name="socket" transfer-ownership="none">
<doc xml:space="preserve">socket to receive the time packet on</doc>
<type name="Gio.Socket" c:type="GSocket*"/>
</parameter>
<parameter name="src_address"
direction="out"
caller-allocates="0"
transfer-ownership="full">
<doc xml:space="preserve">address of variable to return sender address</doc>
<type name="Gio.SocketAddress" c:type="GSocketAddress**"/>
</parameter>
</parameters>
</function>
<function name="ptp_deinit" c:identifier="gst_ptp_deinit" version="1.6">
<doc xml:space="preserve">Deinitialize the GStreamer PTP subsystem and stop the PTP clock. If there
are any remaining GstPtpClock instances, they won't be further synchronized
to the PTP network clock.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
</function>
<function name="ptp_init" c:identifier="gst_ptp_init" version="1.6">
<doc xml:space="preserve">Initialize the GStreamer PTP subsystem and create a PTP ordinary clock in
slave-only mode for all domains on the given @interfaces with the
given @clock_id.
If @clock_id is %GST_PTP_CLOCK_ID_NONE, a clock id is automatically
generated from the MAC address of the first network interface.
This function is automatically called by gst_ptp_clock_new() with default
parameters if it wasn't called before.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">%TRUE if the GStreamer PTP clock subsystem could be initialized.</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<parameter name="clock_id" transfer-ownership="none">
<doc xml:space="preserve">PTP clock id of this process' clock or %GST_PTP_CLOCK_ID_NONE</doc>
<type name="guint64" c:type="guint64"/>
</parameter>
<parameter name="interfaces"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">network interfaces to run the clock on</doc>
<array c:type="gchar**">
<type name="utf8" c:type="gchar*"/>
</array>
</parameter>
</parameters>
</function>
<function name="ptp_is_initialized"
c:identifier="gst_ptp_is_initialized"
version="1.6">
<doc xml:space="preserve">Check if the GStreamer PTP clock subsystem is initialized.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">%TRUE if the GStreamer PTP clock subsystem is intialized.</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
</function>
<function name="ptp_is_supported"
c:identifier="gst_ptp_is_supported"
version="1.6">
<doc xml:space="preserve">Check if PTP clocks are generally supported on this system, and if previous
initializations did not fail.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">%TRUE if PTP clocks are generally supported on this system, and
previous initializations did not fail.</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
</function>
<function name="ptp_statistics_callback_add"
c:identifier="gst_ptp_statistics_callback_add"
version="1.6">
<doc xml:space="preserve">Installs a new statistics callback for gathering PTP statistics. See
GstPtpStatisticsCallback for a list of statistics that are provided.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">Id for the callback that can be passed to
gst_ptp_statistics_callback_remove()</doc>
<type name="gulong" c:type="gulong"/>
</return-value>
<parameters>
<parameter name="callback"
transfer-ownership="none"
scope="notified"
closure="1"
destroy="2">
<doc xml:space="preserve">GstPtpStatisticsCallback to call</doc>
<type name="PtpStatisticsCallback"
c:type="GstPtpStatisticsCallback"/>
</parameter>
<parameter name="user_data"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">Data to pass to the callback</doc>
<type name="gpointer" c:type="gpointer"/>
</parameter>
<parameter name="destroy_data" transfer-ownership="none" scope="async">
<doc xml:space="preserve">GDestroyNotify to destroy the data</doc>
<type name="GLib.DestroyNotify" c:type="GDestroyNotify"/>
</parameter>
</parameters>
</function>
<function name="ptp_statistics_callback_remove"
c:identifier="gst_ptp_statistics_callback_remove"
version="1.6">
<doc xml:space="preserve">Removes a PTP statistics callback that was previously added with
gst_ptp_statistics_callback_add().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="id" transfer-ownership="none">
<doc xml:space="preserve">Callback id to remove</doc>
<type name="gulong" c:type="gulong"/>
</parameter>
</parameters>
</function>
</namespace>
</repository>

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