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GstGL-1.0.gir
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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 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" version="1.2">
<include name="Gst" version="1.0"/>
<include name="GstBase" version="1.0"/>
<include name="GstVideo" version="1.0"/>
<package name="gstreamer-gl-1.0"/>
<c:include name="gst/gl/gl.h"/>
<namespace name="GstGL" version="1.0" shared-library="libgstgl-1.0.so.0" c:identifier-prefixes="Gst" c:symbol-prefixes="gst">
<constant name="BUFFER_POOL_OPTION_GL_SYNC_META" value="GstBufferPoolOptionGLSyncMeta" c:type="GST_BUFFER_POOL_OPTION_GL_SYNC_META">
<doc xml:space="preserve">An option that can be activated on bufferpools to request OpenGL
synchronization metadata on buffers from the pool.</doc>
<type name="utf8" c:type="gchar*"/>
</constant>
<constant name="BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_2D" value="GstBufferPoolOptionGLTextureTarget2D" c:type="GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_2D">
<doc xml:space="preserve">String used for %GST_GL_TEXTURE_TARGET_2D as a #GstBufferPool pool option</doc>
<type name="utf8" c:type="gchar*"/>
</constant>
<constant name="BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_EXTERNAL_OES" value="GstBufferPoolOptionGLTextureTargetExternalOES" c:type="GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_EXTERNAL_OES">
<doc xml:space="preserve">String used for %GST_GL_TEXTURE_TARGET_EXTERNAL_OES as a #GstBufferPool pool option</doc>
<type name="utf8" c:type="gchar*"/>
</constant>
<constant name="BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_RECTANGLE" value="GstBufferPoolOptionGLTextureTargetRectangle" c:type="GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_RECTANGLE">
<doc xml:space="preserve">String used for %GST_GL_TEXTURE_TARGET_RECTANGLE as a #GstBufferPool pool option</doc>
<type name="utf8" c:type="gchar*"/>
</constant>
<constant name="CAPS_FEATURE_MEMORY_GL_BUFFER" value="memory:GLBuffer" c:type="GST_CAPS_FEATURE_MEMORY_GL_BUFFER">
<doc xml:space="preserve">Name of the caps feature indicating the use of GL buffers</doc>
<type name="utf8" c:type="gchar*"/>
</constant>
<constant name="CAPS_FEATURE_MEMORY_GL_MEMORY" value="memory:GLMemory" c:type="GST_CAPS_FEATURE_MEMORY_GL_MEMORY">
<doc xml:space="preserve">Name of the caps feature for indicating the use of #GstGLMemory</doc>
<type name="utf8" c:type="gchar*"/>
</constant>
<bitfield name="GLAPI" glib:type-name="GstGLAPI" glib:get-type="gst_gl_api_get_type" c:type="GstGLAPI">
<member name="none" value="0" c:identifier="GST_GL_API_NONE" glib:nick="none" glib:name="GST_GL_API_NONE">
<doc xml:space="preserve">no API</doc>
</member>
<member name="opengl" value="1" c:identifier="GST_GL_API_OPENGL" glib:nick="opengl" glib:name="GST_GL_API_OPENGL">
<doc xml:space="preserve">Desktop OpenGL up to and including 3.1. The
compatibility profile when the OpenGL version is >= 3.2</doc>
</member>
<member name="opengl3" value="2" c:identifier="GST_GL_API_OPENGL3" glib:nick="opengl3" glib:name="GST_GL_API_OPENGL3">
<doc xml:space="preserve">Desktop OpenGL >= 3.2 core profile</doc>
</member>
<member name="gles1" value="32768" c:identifier="GST_GL_API_GLES1" glib:nick="gles1" glib:name="GST_GL_API_GLES1">
<doc xml:space="preserve">OpenGL ES 1.x</doc>
</member>
<member name="gles2" value="65536" c:identifier="GST_GL_API_GLES2" glib:nick="gles2" glib:name="GST_GL_API_GLES2">
<doc xml:space="preserve">OpenGL ES 2.x and 3.x</doc>
</member>
<member name="any" value="4294967295" c:identifier="GST_GL_API_ANY" glib:nick="any" glib:name="GST_GL_API_ANY">
<doc xml:space="preserve">Any OpenGL API</doc>
</member>
<function name="from_string" c:identifier="gst_gl_api_from_string">
<return-value transfer-ownership="none">
<doc xml:space="preserve">The #GstGLAPI represented by @api_s</doc>
<type name="GLAPI" c:type="GstGLAPI"/>
</return-value>
<parameters>
<parameter name="api_s" transfer-ownership="none">
<doc xml:space="preserve">a space separated string of OpenGL apis</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
</parameters>
</function>
<function name="to_string" c:identifier="gst_gl_api_to_string">
<return-value transfer-ownership="full">
<doc xml:space="preserve">A space separated string of the OpenGL api's enabled in @api</doc>
<type name="utf8" c:type="gchar*"/>
</return-value>
<parameters>
<parameter name="api" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLAPI to stringify</doc>
<type name="GLAPI" c:type="GstGLAPI"/>
</parameter>
</parameters>
</function>
</bitfield>
<record name="GLAllocationParams" c:type="GstGLAllocationParams" glib:type-name="GstGLAllocationParams" glib:get-type="gst_gl_allocation_params_get_type" c:symbol-prefix="gl_allocation_params">
<field name="struct_size" writable="1">
<doc xml:space="preserve">the size of the struct (including and subclass data)</doc>
<type name="gsize" c:type="gsize"/>
</field>
<field name="copy" writable="1">
<doc xml:space="preserve">a #GstGLAllocationParamsCopyFunc</doc>
<type name="GLAllocationParamsCopyFunc" c:type="GstGLAllocationParamsCopyFunc"/>
</field>
<field name="free" writable="1">
<doc xml:space="preserve">a #GstGLAllocationParamsFreeFunc</doc>
<type name="GLAllocationParamsFreeFunc" c:type="GstGLAllocationParamsFreeFunc"/>
</field>
<field name="alloc_flags" writable="1">
<doc xml:space="preserve">allocation flags</doc>
<type name="guint" c:type="guint"/>
</field>
<field name="alloc_size" writable="1">
<doc xml:space="preserve">the allocation size</doc>
<type name="gsize" c:type="gsize"/>
</field>
<field name="alloc_params" writable="1">
<doc xml:space="preserve">the #GstAllocationParams</doc>
<type name="Gst.AllocationParams" c:type="GstAllocationParams*"/>
</field>
<field name="context" writable="1">
<doc xml:space="preserve">a #GstGLContext</doc>
<type name="GLContext" c:type="GstGLContext*"/>
</field>
<field name="notify" writable="1">
<doc xml:space="preserve">a #GDestroyNotify</doc>
<type name="GLib.DestroyNotify" c:type="GDestroyNotify"/>
</field>
<field name="user_data" writable="1">
<doc xml:space="preserve">argument to call @notify with</doc>
<type name="gpointer" c:type="gpointer"/>
</field>
<field name="wrapped_data" writable="1">
<doc xml:space="preserve">the wrapped data pointer</doc>
<type name="gpointer" c:type="gpointer"/>
</field>
<field name="gl_handle" writable="1">
<doc xml:space="preserve">the wrapped OpenGL handle</doc>
<type name="gpointer" c:type="gpointer"/>
</field>
<field name="_padding" readable="0" private="1">
<array zero-terminated="0" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
<method name="copy" c:identifier="gst_gl_allocation_params_copy" version="1.8">
<return-value transfer-ownership="full">
<doc xml:space="preserve">a copy of the #GstGLAllocationParams specified by
@src</doc>
<type name="GLAllocationParams" c:type="GstGLAllocationParams*"/>
</return-value>
<parameters>
<instance-parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">the #GstGLAllocationParams to initialize</doc>
<type name="GLAllocationParams" c:type="GstGLAllocationParams*"/>
</instance-parameter>
</parameters>
</method>
<method name="copy_data" c:identifier="gst_gl_allocation_params_copy_data" version="1.8">
<doc xml:space="preserve">Copies the dynamically allocated data from @src to @dest. Direct subclasses
should call this function in their own overridden copy function.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">the source #GstGLAllocationParams</doc>
<type name="GLAllocationParams" c:type="GstGLAllocationParams*"/>
</instance-parameter>
<parameter name="dest" transfer-ownership="none">
<doc xml:space="preserve">the destination #GstGLAllocationParams</doc>
<type name="GLAllocationParams" c:type="GstGLAllocationParams*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="gst_gl_allocation_params_free" version="1.8">
<doc xml:space="preserve">Frees the #GstGLAllocationParams and all associated data.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="params" transfer-ownership="none">
<doc xml:space="preserve">the #GstGLAllocationParams to initialize</doc>
<type name="GLAllocationParams" c:type="GstGLAllocationParams*"/>
</instance-parameter>
</parameters>
</method>
<method name="free_data" c:identifier="gst_gl_allocation_params_free_data" version="1.8">
<doc xml:space="preserve">Frees the dynamically allocated data in @params. Direct subclasses
should call this function in their own overridden free function.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="params" transfer-ownership="none">
<doc xml:space="preserve">the source #GstGLAllocationParams</doc>
<type name="GLAllocationParams" c:type="GstGLAllocationParams*"/>
</instance-parameter>
</parameters>
</method>
<method name="init" c:identifier="gst_gl_allocation_params_init" version="1.8" introspectable="0">
<doc xml:space="preserve">@notify will be called once for each allocated memory using these @params
when freeing the memory.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">whether the parameters could be initialized</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="params" transfer-ownership="none">
<doc xml:space="preserve">the #GstGLAllocationParams to initialize</doc>
<type name="GLAllocationParams" c:type="GstGLAllocationParams*"/>
</instance-parameter>
<parameter name="struct_size" transfer-ownership="none">
<doc xml:space="preserve">the struct size of the implementation</doc>
<type name="gsize" c:type="gsize"/>
</parameter>
<parameter name="alloc_flags" transfer-ownership="none">
<doc xml:space="preserve">some alloc flags</doc>
<type name="guint" c:type="guint"/>
</parameter>
<parameter name="copy" transfer-ownership="none">
<doc xml:space="preserve">a copy function</doc>
<type name="GLAllocationParamsCopyFunc" c:type="GstGLAllocationParamsCopyFunc"/>
</parameter>
<parameter name="free" transfer-ownership="none" scope="notified" closure="9" destroy="10">
<doc xml:space="preserve">a free function</doc>
<type name="GLAllocationParamsFreeFunc" c:type="GstGLAllocationParamsFreeFunc"/>
</parameter>
<parameter name="context" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLContext</doc>
<type name="GLContext" c:type="GstGLContext*"/>
</parameter>
<parameter name="alloc_size" transfer-ownership="none">
<doc xml:space="preserve">the number of bytes to allocate.</doc>
<type name="gsize" c:type="gsize"/>
</parameter>
<parameter name="alloc_params" transfer-ownership="none" nullable="1" allow-none="1">
<doc xml:space="preserve">a #GstAllocationParams to apply</doc>
<type name="Gst.AllocationParams" c:type="const GstAllocationParams*"/>
</parameter>
<parameter name="wrapped_data" transfer-ownership="none" nullable="1" allow-none="1">
<doc xml:space="preserve">a sysmem data pointer to initialize the allocation with</doc>
<type name="gpointer" c:type="gpointer"/>
</parameter>
<parameter name="gl_handle" transfer-ownership="none" nullable="1" allow-none="1">
<doc xml:space="preserve">a GL handle to initialize the allocation with</doc>
<type name="gpointer" c:type="gpointer"/>
</parameter>
<parameter name="user_data" transfer-ownership="none" nullable="1" allow-none="1">
<doc xml:space="preserve">user data to call @notify with</doc>
<type name="gpointer" c:type="gpointer"/>
</parameter>
<parameter name="notify" transfer-ownership="none" nullable="1" allow-none="1" scope="async">
<doc xml:space="preserve">a #GDestroyNotify</doc>
<type name="GLib.DestroyNotify" c:type="GDestroyNotify"/>
</parameter>
</parameters>
</method>
</record>
<callback name="GLAllocationParamsCopyFunc" c:type="GstGLAllocationParamsCopyFunc">
<doc xml:space="preserve">Copies the parameters from @src into @dest. The subclass must compose copy
functions from the superclass.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">the source #GstGLAllocationParams to copy from</doc>
<type name="GLAllocationParams" c:type="GstGLAllocationParams*"/>
</parameter>
<parameter name="dest" transfer-ownership="none">
<doc xml:space="preserve">the source #GstGLAllocationParams to copy</doc>
<type name="GLAllocationParams" c:type="GstGLAllocationParams*"/>
</parameter>
</parameters>
</callback>
<callback name="GLAllocationParamsFreeFunc" c:type="GstGLAllocationParamsFreeFunc">
<doc xml:space="preserve">Free any dynamically allocated data. The subclass must call the superclass'
free.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="params" transfer-ownership="none" nullable="1" allow-none="1">
<doc xml:space="preserve">a #GstGLAllocationParams</doc>
<type name="gpointer" c:type="gpointer"/>
</parameter>
</parameters>
</callback>
<record name="GLAsyncDebug" c:type="GstGLAsyncDebug">
<doc xml:space="preserve">#GstGLAsyncDebug an opaque structure and should only be accessed through the
provided API.</doc>
<field name="state_flags" readable="0" private="1">
<type name="guint" c:type="guint"/>
</field>
<field name="cat" readable="0" private="1">
<type name="Gst.DebugCategory" c:type="GstDebugCategory*"/>
</field>
<field name="level" readable="0" private="1">
<type name="Gst.DebugLevel" c:type="GstDebugLevel"/>
</field>
<field name="file" readable="0" private="1">
<type name="utf8" c:type="const gchar*"/>
</field>
<field name="function" readable="0" private="1">
<type name="utf8" c:type="const gchar*"/>
</field>
<field name="line" readable="0" private="1">
<type name="gint" c:type="gint"/>
</field>
<field name="object" readable="0" private="1">
<type name="GObject.Object" c:type="GObject*"/>
</field>
<field name="debug_msg" readable="0" private="1">
<type name="utf8" c:type="gchar*"/>
</field>
<field name="callback" readable="0" private="1">
<type name="GLAsyncDebugLogGetMessage" c:type="GstGLAsyncDebugLogGetMessage"/>
</field>
<field name="user_data" readable="0" private="1">
<type name="gpointer" c:type="gpointer"/>
</field>
<field name="notify" readable="0" private="1">
<type name="GLib.DestroyNotify" c:type="GDestroyNotify"/>
</field>
<field name="_padding" readable="0" private="1">
<array zero-terminated="0" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
<method name="free" c:identifier="gst_gl_async_debug_free" version="1.8">
<doc xml:space="preserve">Frees @ad</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="ad" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLAsyncDebug</doc>
<type name="GLAsyncDebug" c:type="GstGLAsyncDebug*"/>
</instance-parameter>
</parameters>
</method>
<method name="freeze" c:identifier="gst_gl_async_debug_freeze" version="1.8">
<doc xml:space="preserve">freeze the debug output. While frozen, any call to
gst_gl_async_debug_output_log_msg() will not output any messages but
subsequent calls to gst_gl_async_debug_store_log_msg() will overwrite previous
messages.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="ad" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLAsyncDebug</doc>
<type name="GLAsyncDebug" c:type="GstGLAsyncDebug*"/>
</instance-parameter>
</parameters>
</method>
<method name="init" c:identifier="gst_gl_async_debug_init" version="1.8">
<doc xml:space="preserve">Initialize @ad. Intended for use with #GstGLAsyncDebug's that are embedded
in other structs.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="ad" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLAsyncDebug</doc>
<type name="GLAsyncDebug" c:type="GstGLAsyncDebug*"/>
</instance-parameter>
</parameters>
</method>
<method name="output_log_msg" c:identifier="gst_gl_async_debug_output_log_msg">
<doc xml:space="preserve">Outputs a previously stored debug message.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="ad" transfer-ownership="none">
<doc xml:space="preserve">the #GstGLAsyncDebug to store the message in</doc>
<type name="GLAsyncDebug" c:type="GstGLAsyncDebug*"/>
</instance-parameter>
</parameters>
</method>
<method name="store_log_msg" c:identifier="gst_gl_async_debug_store_log_msg" version="1.8" introspectable="0">
<doc xml:space="preserve">Stores a debug message for later output by gst_gl_async_debug_output_log_msg()</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="ad" transfer-ownership="none">
<doc xml:space="preserve">the #GstGLAsyncDebug to store the message in</doc>
<type name="GLAsyncDebug" c:type="GstGLAsyncDebug*"/>
</instance-parameter>
<parameter name="cat" transfer-ownership="none">
<doc xml:space="preserve">the #GstDebugCategory to output the message in</doc>
<type name="Gst.DebugCategory" c:type="GstDebugCategory*"/>
</parameter>
<parameter name="level" transfer-ownership="none">
<doc xml:space="preserve">the #GstDebugLevel</doc>
<type name="Gst.DebugLevel" c:type="GstDebugLevel"/>
</parameter>
<parameter name="file" transfer-ownership="none">
<doc xml:space="preserve">the file where the debug message originates from</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="function" transfer-ownership="none">
<doc xml:space="preserve">the function where the debug message originates from</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="line" transfer-ownership="none">
<doc xml:space="preserve">the line in @file where the debug message originates from</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="object" transfer-ownership="none" nullable="1" allow-none="1">
<doc xml:space="preserve">a #GObject to associate with the debug message</doc>
<type name="GObject.Object" c:type="GObject*"/>
</parameter>
<parameter name="format" transfer-ownership="none">
<doc xml:space="preserve">a printf style format string</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="..." transfer-ownership="none">
<doc xml:space="preserve">the list of arguments for @format</doc>
<varargs/>
</parameter>
</parameters>
</method>
<method name="store_log_msg_valist" c:identifier="gst_gl_async_debug_store_log_msg_valist" version="1.8" introspectable="0">
<doc xml:space="preserve">Stores a debug message for later output by gst_gl_async_debug_output_log_msg()</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="ad" transfer-ownership="none">
<doc xml:space="preserve">the #GstGLAsyncDebug to store the message in</doc>
<type name="GLAsyncDebug" c:type="GstGLAsyncDebug*"/>
</instance-parameter>
<parameter name="cat" transfer-ownership="none">
<doc xml:space="preserve">the #GstDebugCategory to output the message in</doc>
<type name="Gst.DebugCategory" c:type="GstDebugCategory*"/>
</parameter>
<parameter name="level" transfer-ownership="none">
<doc xml:space="preserve">the #GstDebugLevel</doc>
<type name="Gst.DebugLevel" c:type="GstDebugLevel"/>
</parameter>
<parameter name="file" transfer-ownership="none">
<doc xml:space="preserve">the file where the debug message originates from</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="function" transfer-ownership="none">
<doc xml:space="preserve">the function where the debug message originates from</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="line" transfer-ownership="none">
<doc xml:space="preserve">the line in @file where the debug message originates from</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="object" transfer-ownership="none" nullable="1" allow-none="1">
<doc xml:space="preserve">a #GObject to associate with the debug message</doc>
<type name="GObject.Object" c:type="GObject*"/>
</parameter>
<parameter name="format" transfer-ownership="none">
<doc xml:space="preserve">a printf style format string</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
<parameter name="varargs" transfer-ownership="none">
<doc xml:space="preserve">the list of arguments for @format</doc>
<type name="va_list" c:type="va_list"/>
</parameter>
</parameters>
</method>
<method name="thaw" c:identifier="gst_gl_async_debug_thaw" version="1.8">
<doc xml:space="preserve">unfreeze the debug output. See gst_gl_async_debug_freeze() for what freezing means</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="ad" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLAsyncDebug</doc>
<type name="GLAsyncDebug" c:type="GstGLAsyncDebug*"/>
</instance-parameter>
</parameters>
</method>
<method name="unset" c:identifier="gst_gl_async_debug_unset">
<doc xml:space="preserve">Unset any dynamically allocated data. Intended for use with
#GstGLAsyncDebug's that are embedded in other structs.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="ad" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLAsyncDebug</doc>
<type name="GLAsyncDebug" c:type="GstGLAsyncDebug*"/>
</instance-parameter>
</parameters>
</method>
<function name="new" c:identifier="gst_gl_async_debug_new" version="1.8" introspectable="0">
<doc xml:space="preserve">Free with gst_gl_async_debug_free()</doc>
<return-value>
<doc xml:space="preserve">a new #GstGLAsyncDebug</doc>
<type name="GLAsyncDebug" c:type="GstGLAsyncDebug*"/>
</return-value>
</function>
</record>
<callback name="GLAsyncDebugLogGetMessage" c:type="GstGLAsyncDebugLogGetMessage">
<return-value transfer-ownership="full">
<type name="utf8" c:type="gchar*"/>
</return-value>
<parameters>
<parameter name="user_data" transfer-ownership="none" nullable="1" allow-none="1" closure="0">
<type name="gpointer" c:type="gpointer"/>
</parameter>
</parameters>
</callback>
<class name="GLBaseFilter" c:symbol-prefix="gl_base_filter" c:type="GstGLBaseFilter" parent="GstBase.BaseTransform" glib:type-name="GstGLBaseFilter" glib:get-type="gst_gl_base_filter_get_type" glib:type-struct="GLBaseFilterClass">
<doc xml:space="preserve">#GstGLBaseFilter handles the nitty gritty details of retrieving an OpenGL
context. It also provided some wrappers around #GstBaseTransform's
`start()`, `stop()` and `set_caps()` virtual methods that ensure an OpenGL
context is available and current in the calling thread.</doc>
<virtual-method name="gl_set_caps">
<return-value transfer-ownership="none">
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="filter" transfer-ownership="none">
<type name="GLBaseFilter" c:type="GstGLBaseFilter*"/>
</instance-parameter>
<parameter name="incaps" transfer-ownership="none">
<type name="Gst.Caps" c:type="GstCaps*"/>
</parameter>
<parameter name="outcaps" transfer-ownership="none">
<type name="Gst.Caps" c:type="GstCaps*"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="gl_start">
<return-value transfer-ownership="none">
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="filter" transfer-ownership="none">
<type name="GLBaseFilter" c:type="GstGLBaseFilter*"/>
</instance-parameter>
</parameters>
</virtual-method>
<virtual-method name="gl_stop">
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="filter" transfer-ownership="none">
<type name="GLBaseFilter" c:type="GstGLBaseFilter*"/>
</instance-parameter>
</parameters>
</virtual-method>
<method name="find_gl_context" c:identifier="gst_gl_base_filter_find_gl_context" version="1.16">
<return-value transfer-ownership="none">
<doc xml:space="preserve">Whether an OpenGL context could be retrieved or created successfully</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="filter" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLBaseFilter</doc>
<type name="GLBaseFilter" c:type="GstGLBaseFilter*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_gl_context" c:identifier="gst_gl_base_filter_get_gl_context" version="1.18">
<return-value transfer-ownership="full" nullable="1">
<doc xml:space="preserve">the #GstGLContext found by @filter</doc>
<type name="GLContext" c:type="GstGLContext*"/>
</return-value>
<parameters>
<instance-parameter name="filter" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLBaseFilter</doc>
<type name="GLBaseFilter" c:type="GstGLBaseFilter*"/>
</instance-parameter>
</parameters>
</method>
<property name="context" transfer-ownership="none">
<type name="GLContext"/>
</property>
<field name="parent">
<type name="GstBase.BaseTransform" c:type="GstBaseTransform"/>
</field>
<field name="display">
<doc xml:space="preserve">the currently configured #GstGLDisplay</doc>
<type name="GLDisplay" c:type="GstGLDisplay*"/>
</field>
<field name="context">
<doc xml:space="preserve">the currently configured #GstGLContext</doc>
<type name="GLContext" c:type="GstGLContext*"/>
</field>
<field name="in_caps">
<doc xml:space="preserve">the currently configured input #GstCaps</doc>
<type name="Gst.Caps" c:type="GstCaps*"/>
</field>
<field name="out_caps">
<doc xml:space="preserve">the currently configured output #GstCaps</doc>
<type name="Gst.Caps" c:type="GstCaps*"/>
</field>
<field name="_padding" readable="0" private="1">
<array zero-terminated="0" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
<field name="priv" readable="0" private="1">
<type name="GLBaseFilterPrivate" c:type="GstGLBaseFilterPrivate*"/>
</field>
</class>
<record name="GLBaseFilterClass" c:type="GstGLBaseFilterClass" glib:is-gtype-struct-for="GLBaseFilter">
<doc xml:space="preserve">The base class for GStreamer GL Filter.</doc>
<field name="parent_class">
<type name="GstBase.BaseTransformClass" c:type="GstBaseTransformClass"/>
</field>
<field name="supported_gl_api">
<doc xml:space="preserve">the logical-OR of #GstGLAPI's supported by this element</doc>
<type name="GLAPI" c:type="GstGLAPI"/>
</field>
<field name="gl_start">
<callback name="gl_start">
<return-value transfer-ownership="none">
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<parameter name="filter" transfer-ownership="none">
<type name="GLBaseFilter" c:type="GstGLBaseFilter*"/>
</parameter>
</parameters>
</callback>
</field>
<field name="gl_stop">
<callback name="gl_stop">
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="filter" transfer-ownership="none">
<type name="GLBaseFilter" c:type="GstGLBaseFilter*"/>
</parameter>
</parameters>
</callback>
</field>
<field name="gl_set_caps">
<callback name="gl_set_caps">
<return-value transfer-ownership="none">
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<parameter name="filter" transfer-ownership="none">
<type name="GLBaseFilter" c:type="GstGLBaseFilter*"/>
</parameter>
<parameter name="incaps" transfer-ownership="none">
<type name="Gst.Caps" c:type="GstCaps*"/>
</parameter>
<parameter name="outcaps" transfer-ownership="none">
<type name="Gst.Caps" c:type="GstCaps*"/>
</parameter>
</parameters>
</callback>
</field>
<field name="_padding" readable="0" private="1">
<array zero-terminated="0" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</record>
<record name="GLBaseFilterPrivate" c:type="GstGLBaseFilterPrivate" disguised="1" opaque="1"/>
<record name="GLBaseMemory" c:type="GstGLBaseMemory" glib:type-name="GstGLBaseMemory" glib:get-type="gst_gl_base_memory_get_type" c:symbol-prefix="gl_base_memory">
<doc xml:space="preserve">GstGLBaseMemory is a #GstMemory subclass providing the basis of support
for the mapping of GL buffers.
Data is uploaded or downloaded from the GPU as is necessary.</doc>
<field name="mem" writable="1">
<doc xml:space="preserve">the parent object</doc>
<type name="Gst.Memory" c:type="GstMemory"/>
</field>
<field name="context" writable="1">
<doc xml:space="preserve">the #GstGLContext to use for GL operations</doc>
<type name="GLContext" c:type="GstGLContext*"/>
</field>
<field name="lock" writable="1">
<type name="GLib.Mutex" c:type="GMutex"/>
</field>
<field name="map_flags" writable="1">
<type name="Gst.MapFlags" c:type="GstMapFlags"/>
</field>
<field name="map_count" writable="1">
<type name="gint" c:type="gint"/>
</field>
<field name="gl_map_count" writable="1">
<type name="gint" c:type="gint"/>
</field>
<field name="data" writable="1">
<type name="gpointer" c:type="gpointer"/>
</field>
<field name="query" writable="1">
<type name="GLQuery" c:type="GstGLQuery*"/>
</field>
<field name="alloc_size" readable="0" private="1">
<type name="gsize" c:type="gsize"/>
</field>
<field name="alloc_data" readable="0" private="1">
<type name="gpointer" c:type="gpointer"/>
</field>
<field name="notify" readable="0" private="1">
<type name="GLib.DestroyNotify" c:type="GDestroyNotify"/>
</field>
<field name="user_data" readable="0" private="1">
<type name="gpointer" c:type="gpointer"/>
</field>
<field name="_padding" readable="0" private="1">
<array zero-terminated="0" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
<method name="alloc_data" c:identifier="gst_gl_base_memory_alloc_data">
<doc xml:space="preserve">Note: only intended for subclass usage to allocate the system memory buffer
on demand. If there is already a non-NULL data pointer in @gl_mem->data,
then this function imply returns TRUE.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">whether the system memory could be allocated</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="gl_mem" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLBaseMemory</doc>
<type name="GLBaseMemory" c:type="GstGLBaseMemory*"/>
</instance-parameter>
</parameters>
</method>
<method name="init" c:identifier="gst_gl_base_memory_init" version="1.8">
<doc xml:space="preserve">Initializes @mem with the required parameters</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="mem" transfer-ownership="none">
<doc xml:space="preserve">the #GstGLBaseMemory to initialize</doc>
<type name="GLBaseMemory" c:type="GstGLBaseMemory*"/>
</instance-parameter>
<parameter name="allocator" transfer-ownership="none">
<doc xml:space="preserve">the #GstAllocator to initialize with</doc>
<type name="Gst.Allocator" c:type="GstAllocator*"/>
</parameter>
<parameter name="parent" transfer-ownership="none" nullable="1" allow-none="1">
<doc xml:space="preserve">the parent #GstMemory to initialize with</doc>
<type name="Gst.Memory" c:type="GstMemory*"/>
</parameter>
<parameter name="context" transfer-ownership="none">
<doc xml:space="preserve">the #GstGLContext to initialize with</doc>
<type name="GLContext" c:type="GstGLContext*"/>
</parameter>
<parameter name="params" transfer-ownership="none" nullable="1" allow-none="1">
<doc xml:space="preserve">the @GstAllocationParams to initialize with</doc>
<type name="Gst.AllocationParams" c:type="const GstAllocationParams*"/>
</parameter>
<parameter name="size" transfer-ownership="none">
<doc xml:space="preserve">the number of bytes to be allocated</doc>
<type name="gsize" c:type="gsize"/>
</parameter>
<parameter name="user_data" transfer-ownership="none" nullable="1" allow-none="1">
<doc xml:space="preserve">user data to call @notify with</doc>
<type name="gpointer" c:type="gpointer"/>
</parameter>
<parameter name="notify" transfer-ownership="none" nullable="1" allow-none="1" scope="async">
<doc xml:space="preserve">a #GDestroyNotify</doc>
<type name="GLib.DestroyNotify" c:type="GDestroyNotify"/>
</parameter>
</parameters>
</method>
<method name="memcpy" c:identifier="gst_gl_base_memory_memcpy" version="1.8">
<return-value transfer-ownership="none">
<doc xml:space="preserve">whether the copy succeeded.</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">the source #GstGLBaseMemory</doc>
<type name="GLBaseMemory" c:type="GstGLBaseMemory*"/>
</instance-parameter>
<parameter name="dest" transfer-ownership="none">
<doc xml:space="preserve">the destination #GstGLBaseMemory</doc>
<type name="GLBaseMemory" c:type="GstGLBaseMemory*"/>
</parameter>
<parameter name="offset" transfer-ownership="none">
<doc xml:space="preserve">the offset to start at</doc>
<type name="gssize" c:type="gssize"/>
</parameter>
<parameter name="size" transfer-ownership="none">
<doc xml:space="preserve">the number of bytes to copy</doc>
<type name="gssize" c:type="gssize"/>
</parameter>
</parameters>
</method>
<function name="alloc" c:identifier="gst_gl_base_memory_alloc" version="1.8">
<return-value transfer-ownership="full" nullable="1">
<doc xml:space="preserve">a new #GstGLBaseMemory from @allocator with the requested @params.</doc>
<type name="GLBaseMemory" c:type="GstGLBaseMemory*"/>
</return-value>
<parameters>
<parameter name="allocator" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLBaseMemoryAllocator</doc>
<type name="GLBaseMemoryAllocator" c:type="GstGLBaseMemoryAllocator*"/>
</parameter>
<parameter name="params" transfer-ownership="none">
<doc xml:space="preserve">the #GstGLAllocationParams to allocate the memory with</doc>
<type name="GLAllocationParams" c:type="GstGLAllocationParams*"/>
</parameter>
</parameters>
</function>
<function name="init_once" c:identifier="gst_gl_base_memory_init_once" version="1.8">
<doc xml:space="preserve">Initializes the GL Base Memory allocator. It is safe to call this function
multiple times. This must be called before any other GstGLBaseMemory operation.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
</function>
</record>
<class name="GLBaseMemoryAllocator" c:symbol-prefix="gl_base_memory_allocator" c:type="GstGLBaseMemoryAllocator" version="1.8" parent="Gst.Allocator" abstract="1" glib:type-name="GstGLBaseMemoryAllocator" glib:get-type="gst_gl_base_memory_allocator_get_type" glib:type-struct="GLBaseMemoryAllocatorClass">
<doc xml:space="preserve">Opaque #GstGLBaseMemoryAllocator struct</doc>
<virtual-method name="alloc">
<return-value transfer-ownership="full" nullable="1">
<doc xml:space="preserve">a newly allocated #GstGLBaseMemory from @allocator and @params</doc>
<type name="GLBaseMemory" c:type="GstGLBaseMemory*"/>
</return-value>
<parameters>
<instance-parameter name="allocator" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLBaseMemoryAllocator</doc>
<type name="GLBaseMemoryAllocator" c:type="GstGLBaseMemoryAllocator*"/>
</instance-parameter>
<parameter name="params" transfer-ownership="none">
<doc xml:space="preserve">the #GstGLAllocationParams to allocate the memory with</doc>
<type name="GLAllocationParams" c:type="GstGLAllocationParams*"/>
</parameter>
</parameters>
</virtual-method>
<field name="parent" readable="0" private="1">
<type name="Gst.Allocator" c:type="GstAllocator"/>
</field>
<field name="fallback_mem_copy" readable="0" private="1">
<type name="Gst.MemoryCopyFunction" c:type="GstMemoryCopyFunction"/>
</field>
<field name="_padding" readable="0" private="1">
<array zero-terminated="0" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</class>
<callback name="GLBaseMemoryAllocatorAllocFunction" c:type="GstGLBaseMemoryAllocatorAllocFunction" version="1.8">
<doc xml:space="preserve">Note: not called with a GL context current</doc>
<return-value transfer-ownership="full" nullable="1">
<doc xml:space="preserve">a newly allocated #GstGLBaseMemory from @allocator and @params</doc>
<type name="GLBaseMemory" c:type="GstGLBaseMemory*"/>
</return-value>
<parameters>
<parameter name="allocator" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLBaseMemoryAllocator</doc>
<type name="GLBaseMemoryAllocator" c:type="GstGLBaseMemoryAllocator*"/>
</parameter>
<parameter name="params" transfer-ownership="none">
<doc xml:space="preserve">the #GstGLAllocationParams to allocate the memory with</doc>
<type name="GLAllocationParams" c:type="GstGLAllocationParams*"/>
</parameter>
</parameters>
</callback>
<record name="GLBaseMemoryAllocatorClass" c:type="GstGLBaseMemoryAllocatorClass" glib:is-gtype-struct-for="GLBaseMemoryAllocator" version="1.8">
<field name="parent_class">
<doc xml:space="preserve">the parent class</doc>
<type name="Gst.AllocatorClass" c:type="GstAllocatorClass"/>
</field>
<field name="alloc">
<doc xml:space="preserve">a #GstGLBaseMemoryAllocatorAllocFunction</doc>
<type name="GLBaseMemoryAllocatorAllocFunction" c:type="GstGLBaseMemoryAllocatorAllocFunction"/>
</field>
<field name="create">
<doc xml:space="preserve">a #GstGLBaseMemoryAllocatorCreateFunction</doc>
<type name="GLBaseMemoryAllocatorCreateFunction" c:type="GstGLBaseMemoryAllocatorCreateFunction"/>
</field>
<field name="map">
<doc xml:space="preserve">a #GstGLBaseMemoryAllocatorMapFunction</doc>
<type name="GLBaseMemoryAllocatorMapFunction" c:type="GstGLBaseMemoryAllocatorMapFunction"/>
</field>
<field name="unmap">
<doc xml:space="preserve">a #GstGLBaseMemoryAllocatorUnmapFunction</doc>
<type name="GLBaseMemoryAllocatorUnmapFunction" c:type="GstGLBaseMemoryAllocatorUnmapFunction"/>
</field>
<field name="copy">
<doc xml:space="preserve">a #GstGLBaseMemoryAllocatorCopyFunction</doc>
<type name="GLBaseMemoryAllocatorCopyFunction" c:type="GstGLBaseMemoryAllocatorCopyFunction"/>
</field>
<field name="destroy">
<doc xml:space="preserve">a #GstGLBaseMemoryAllocatorDestroyFunction</doc>
<type name="GLBaseMemoryAllocatorDestroyFunction" c:type="GstGLBaseMemoryAllocatorDestroyFunction"/>
</field>
<field name="_padding" readable="0" private="1">
<array zero-terminated="0" fixed-size="4">
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
</record>
<callback name="GLBaseMemoryAllocatorCopyFunction" c:type="GstGLBaseMemoryAllocatorCopyFunction" version="1.8">
<doc xml:space="preserve">Also see gst_memory_copy();</doc>
<return-value transfer-ownership="full" nullable="1">
<doc xml:space="preserve">the newly copied #GstGLMemory or %NULL</doc>
<type name="GLBaseMemory" c:type="GstGLBaseMemory*"/>
</return-value>
<parameters>
<parameter name="mem" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLBaseMemory</doc>
<type name="GLBaseMemory" c:type="GstGLBaseMemory*"/>
</parameter>
<parameter name="offset" transfer-ownership="none">
<doc xml:space="preserve">the offset to copy from</doc>
<type name="gssize" c:type="gssize"/>
</parameter>
<parameter name="size" transfer-ownership="none">
<doc xml:space="preserve">the number of bytes to copy</doc>
<type name="gssize" c:type="gssize"/>
</parameter>
</parameters>
</callback>
<callback name="GLBaseMemoryAllocatorCreateFunction" c:type="GstGLBaseMemoryAllocatorCreateFunction" version="1.8" throws="1">
<doc xml:space="preserve">As this virtual method is called with an OpenGL context current, use this
function to allocate and OpenGL resources needed for your application</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">whether the creation succeeded</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<parameter name="mem" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLBaseMemory</doc>
<type name="GLBaseMemory" c:type="GstGLBaseMemory*"/>
</parameter>
</parameters>
</callback>
<callback name="GLBaseMemoryAllocatorDestroyFunction" c:type="GstGLBaseMemoryAllocatorDestroyFunction" version="1.8">
<doc xml:space="preserve">Destroy any resources allocated throughout the lifetime of @mem</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="mem" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLBaseMemory</doc>
<type name="GLBaseMemory" c:type="GstGLBaseMemory*"/>
</parameter>
</parameters>
</callback>
<callback name="GLBaseMemoryAllocatorMapFunction" c:type="GstGLBaseMemoryAllocatorMapFunction" version="1.8">
<doc xml:space="preserve">Also see gst_memory_map();</doc>
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve">the mapped pointer</doc>
<type name="gpointer" c:type="gpointer"/>
</return-value>
<parameters>
<parameter name="mem" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLBaseMemory</doc>
<type name="GLBaseMemory" c:type="GstGLBaseMemory*"/>
</parameter>
<parameter name="info" transfer-ownership="none">
<doc xml:space="preserve">a #GstMapInfo to map with</doc>
<type name="Gst.MapInfo" c:type="GstMapInfo*"/>
</parameter>
<parameter name="maxsize" transfer-ownership="none">
<doc xml:space="preserve">the size to map</doc>
<type name="gsize" c:type="gsize"/>
</parameter>
</parameters>
</callback>
<callback name="GLBaseMemoryAllocatorUnmapFunction" c:type="GstGLBaseMemoryAllocatorUnmapFunction" version="1.8">
<doc xml:space="preserve">Also see gst_memory_unmap();</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="mem" transfer-ownership="none">
<doc xml:space="preserve">a #GstGLBaseMemory</doc>
<type name="GLBaseMemory" c:type="GstGLBaseMemory*"/>
</parameter>
<parameter name="info" transfer-ownership="none">
<doc xml:space="preserve">a #GstMapInfo to map with</doc>
<type name="Gst.MapInfo" c:type="GstMapInfo*"/>
</parameter>
</parameters>
</callback>
<enumeration name="GLBaseMemoryError" glib:type-name="GstGLBaseMemoryError" glib:get-type="gst_gl_base_memory_error_get_type" c:type="GstGLBaseMemoryError" glib:error-domain="gst-gl-base-memory-error-quark">
<member name="failed" value="0" c:identifier="GST_GL_BASE_MEMORY_ERROR_FAILED" glib:nick="failed" glib:name="GST_GL_BASE_MEMORY_ERROR_FAILED">
<doc xml:space="preserve">generic failure</doc>
</member>
<member name="old_libs" value="1" c:identifier="GST_GL_BASE_MEMORY_ERROR_OLD_LIBS" glib:nick="old-libs" glib:name="GST_GL_BASE_MEMORY_ERROR_OLD_LIBS">
<doc xml:space="preserve">the implementation is too old and doesn't
implement enough features</doc>
</member>
<member name="resource_unavailable" value="2" c:identifier="GST_GL_BASE_MEMORY_ERROR_RESOURCE_UNAVAILABLE" glib:nick="resource-unavailable" glib:name="GST_GL_BASE_MEMORY_ERROR_RESOURCE_UNAVAILABLE">
<doc xml:space="preserve">a resource could not be found</doc>
</member>
<function name="quark" c:identifier="gst_gl_base_memory_error_quark">
<return-value transfer-ownership="none">
<doc xml:space="preserve">the quark used for #GstGLBaseMemory in #GError's</doc>
<type name="GLib.Quark" c:type="GQuark"/>
</return-value>
</function>
</enumeration>
<bitfield name="GLBaseMemoryTransfer" glib:type-name="GstGLBaseMemoryTransfer" glib:get-type="gst_gl_base_memory_transfer_get_type" c:type="GstGLBaseMemoryTransfer">
<member name="download" value="1048576" c:identifier="GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD" glib:nick="download" glib:name="GST_GL_BASE_MEMORY_TRANSFER_NEED_DOWNLOAD">
<doc xml:space="preserve">the texture needs downloading
to the data pointer</doc>
</member>
<member name="upload" value="2097152" c:identifier="GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD" glib:nick="upload" glib:name="GST_GL_BASE_MEMORY_TRANSFER_NEED_UPLOAD">
<doc xml:space="preserve">the data pointer needs uploading
to the texture</doc>
</member>
</bitfield>
<class name="GLBaseMixer" c:symbol-prefix="gl_base_mixer" c:type="GstGLBaseMixer" version="1.24" parent="GstVideo.VideoAggregator" abstract="1" glib:type-name="GstGLBaseMixer" glib:get-type="gst_gl_base_mixer_get_type" glib:type-struct="GLBaseMixerClass">
<doc xml:space="preserve">#GstGLBaseMixer handles the nitty gritty details of retrieving an OpenGL