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Fix Gst.Preset bindings
As C# interfaces don't allow a default implementation we add a static Gst.PresetDefault class that provides static methods for calling the default GstPreset method implementations.
This commit is contained in:
Sebastian Dröge
parent
71f1ba9080
commit
31797cf4e3
4 changed files with 243 additions and 1 deletions
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@ -729,6 +729,18 @@
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<attr path="/api/namespace/object[@name='PluginFeature']/method[@cname='gst_plugin_feature_type_name_filter']" name="hidden">1</attr>
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<attr path="/api/namespace/class[@name='Print']" name="hidden">1</attr>
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<attr path="/api/namespace/interface[@name='Preset']/property" name="hidden">1</attr>
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<attr path="/api/namespace/interface[@name='Preset']/method[@cname='gst_preset_get_preset_names']/return-type" name="owned">true</attr>
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<attr path="/api/namespace/interface[@name='Preset']/method[@cname='gst_preset_get_preset_names']/return-type" name="null_term_array">true</attr>
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<attr path="/api/namespace/interface[@name='Preset']/virtual_method[@cname='get_preset_names']/return-type" name="owned">true</attr>
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<attr path="/api/namespace/interface[@name='Preset']/virtual_method[@cname='get_preset_names']/return-type" name="null_term_array">true</attr>
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<attr path="/api/namespace/interface[@name='Preset']/method[@cname='gst_preset_get_property_names']/return-type" name="owned">true</attr>
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<attr path="/api/namespace/interface[@name='Preset']/method[@cname='gst_preset_get_property_names']/return-type" name="null_term_array">true</attr>
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<attr path="/api/namespace/interface[@name='Preset']/virtual_method[@cname='get_property_names']/return-type" name="owned">true</attr>
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<attr path="/api/namespace/interface[@name='Preset']/virtual_method[@cname='get_property_names']/return-type" name="null_term_array">true</attr>
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<attr path="/api/namespace/interface[@name='Preset']/method[@cname='gst_preset_get_meta']/parameters/parameter[@name='value']" name="pass_as">out</attr>
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<attr path="/api/namespace/interface[@name='Preset']/virtual_method[@cname='get_meta']/parameters/parameter[@name='value']" name="pass_as">out</attr>
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<change-node-type path="/api/namespace/object[@name='Query']">boxed</change-node-type>
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<attr path="/api/namespace/boxed[@name='Query']" name="opaque">true</attr>
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@ -49,7 +49,8 @@ sources = \
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plugins-base/TypeFindElement.cs \
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GstSharp.PadQueryTypeFunctionNative.cs \
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PadQueryTypeFunction.cs \
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TypeFindDelegates.cs
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TypeFindDelegates.cs \
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PresetDefault.cs
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overrides = \
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override/URIHandlerAdapter.cs
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115
gstreamer-sharp/PresetDefault.cs
Normal file
115
gstreamer-sharp/PresetDefault.cs
Normal file
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@ -0,0 +1,115 @@
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using System;
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using System.Runtime.InteropServices;
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namespace Gst {
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public static class PresetDefault {
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[StructLayout (LayoutKind.Sequential) ]
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struct GstPresetInterface {
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public GetPresetNamesNativeDelegate GetPresetNames;
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public GetPropertyNamesNativeDelegate GetPropertyNames;
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public LoadPresetNativeDelegate LoadPreset;
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public SavePresetNativeDelegate SavePreset;
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public RenamePresetNativeDelegate RenamePreset;
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public DeletePresetNativeDelegate DeletePreset;
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public SetMetaNativeDelegate SetMeta;
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public GetMetaNativeDelegate GetMeta;
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[MarshalAs (UnmanagedType.ByValArray, SizeConst=4) ]
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public IntPtr[] GstReserved;
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}
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delegate IntPtr GetPresetNamesNativeDelegate (IntPtr inst);
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delegate IntPtr GetPropertyNamesNativeDelegate (IntPtr inst);
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delegate bool LoadPresetNativeDelegate (IntPtr inst, IntPtr name);
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delegate bool SavePresetNativeDelegate (IntPtr inst, IntPtr name);
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delegate bool RenamePresetNativeDelegate (IntPtr inst, IntPtr old_name, IntPtr new_name);
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delegate bool DeletePresetNativeDelegate (IntPtr inst, IntPtr name);
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delegate bool SetMetaNativeDelegate (IntPtr inst, IntPtr name, IntPtr tag, IntPtr value);
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delegate bool GetMetaNativeDelegate (IntPtr inst, IntPtr name, IntPtr tag, out IntPtr value);
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static GstPresetInterface default_iface;
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[DllImport ("libgobject-2.0-0.dll") ]
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static extern IntPtr g_type_default_interface_ref (IntPtr type);
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[DllImport ("gstreamer-0.10.dll") ]
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static extern IntPtr gst_preset_get_type();
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static PresetDefault () {
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IntPtr type = gst_preset_get_type ();
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if (type == IntPtr.Zero)
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throw new Exception ("Can't get GstPreset interface type");
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IntPtr native_iface = g_type_default_interface_ref (type);
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if (native_iface == IntPtr.Zero)
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throw new Exception ("Can't get GstPreset default interface vtable");
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default_iface = (GstPresetInterface) Marshal.PtrToStructure (native_iface, typeof (GstPresetInterface));
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}
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public static bool DeletePreset (GLib.Object o, string name) {
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IntPtr native_name = GLib.Marshaller.StringToPtrGStrdup (name);
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bool raw_ret = default_iface.DeletePreset (o.Handle, native_name);
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bool ret = raw_ret;
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GLib.Marshaller.Free (native_name);
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return ret;
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}
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public static string[] GetPropertyNames (GLib.Object o) {
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IntPtr raw_ret = default_iface.GetPropertyNames (o.Handle);
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string[] ret = GLib.Marshaller.NullTermPtrToStringArray (raw_ret, true);
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return ret;
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}
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public static bool RenamePreset (GLib.Object o, string old_name, string new_name) {
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IntPtr native_old_name = GLib.Marshaller.StringToPtrGStrdup (old_name);
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IntPtr native_new_name = GLib.Marshaller.StringToPtrGStrdup (new_name);
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bool raw_ret = default_iface.RenamePreset (o.Handle, native_old_name, native_new_name);
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bool ret = raw_ret;
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GLib.Marshaller.Free (native_old_name);
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GLib.Marshaller.Free (native_new_name);
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return ret;
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}
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public static bool SetMeta (GLib.Object o, string name, string tag, string value) {
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IntPtr native_name = GLib.Marshaller.StringToPtrGStrdup (name);
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IntPtr native_tag = GLib.Marshaller.StringToPtrGStrdup (tag);
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IntPtr native_value = GLib.Marshaller.StringToPtrGStrdup (value);
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bool raw_ret = default_iface.SetMeta (o.Handle, native_name, native_tag, native_value);
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bool ret = raw_ret;
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GLib.Marshaller.Free (native_name);
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GLib.Marshaller.Free (native_tag);
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GLib.Marshaller.Free (native_value);
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return ret;
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}
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public static bool LoadPreset (GLib.Object o, string name) {
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IntPtr native_name = GLib.Marshaller.StringToPtrGStrdup (name);
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bool raw_ret = default_iface.LoadPreset (o.Handle, native_name);
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bool ret = raw_ret;
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GLib.Marshaller.Free (native_name);
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return ret;
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}
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public static bool GetMeta (GLib.Object o, string name, string tag, out string value) {
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IntPtr native_name = GLib.Marshaller.StringToPtrGStrdup (name);
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IntPtr native_tag = GLib.Marshaller.StringToPtrGStrdup (tag);
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IntPtr native_value;
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bool raw_ret = default_iface.GetMeta (o.Handle, native_name, native_tag, out native_value);
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bool ret = raw_ret;
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GLib.Marshaller.Free (native_name);
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GLib.Marshaller.Free (native_tag);
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value = GLib.Marshaller.PtrToStringGFree (native_value);
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return ret;
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}
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public static string[] GetPresetNames (GLib.Object o) {
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IntPtr raw_ret = default_iface.GetPresetNames (o.Handle);
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string[] ret = GLib.Marshaller.NullTermPtrToStringArray (raw_ret, true);
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return ret;
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}
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public static bool SavePreset (GLib.Object o, string name) {
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IntPtr native_name = GLib.Marshaller.StringToPtrGStrdup (name);
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bool raw_ret = default_iface.SavePreset (o.Handle, native_name);
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bool ret = raw_ret;
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GLib.Marshaller.Free (native_name);
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return ret;
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}
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}
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}
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@ -794,6 +794,120 @@
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</parameters>
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</method>
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</interface>
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<interface name="Preset" cname="GstPreset">
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<class_struct cname="GstPresetInterface">
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<field name="Parent" cname="parent" type="GTypeInterface" />
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<method vm="get_preset_names" />
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<method vm="get_property_names" />
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<method vm="load_preset" />
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<method vm="save_preset" />
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<method vm="rename_preset" />
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<method vm="delete_preset" />
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<method vm="set_meta" />
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<method vm="get_meta" />
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<field name="GstReserved" cname="_gst_reserved" type="gpointer" array_len="GST_PADDING" />
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</class_struct>
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<property name="PresetName" cname="preset-name" type="gchar*" writeable="true" />
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<virtual_method name="GetPresetNames" cname="get_preset_names">
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<return-type type="gchar**" />
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<parameters />
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</virtual_method>
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<virtual_method name="GetPropertyNames" cname="get_property_names">
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<return-type type="gchar**" />
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<parameters />
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</virtual_method>
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<virtual_method name="LoadPreset" cname="load_preset">
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<return-type type="gboolean" />
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<parameters>
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<parameter type="const-gchar*" name="name" />
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</parameters>
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</virtual_method>
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<virtual_method name="SavePreset" cname="save_preset">
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<return-type type="gboolean" />
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<parameters>
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<parameter type="const-gchar*" name="name" />
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</parameters>
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</virtual_method>
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<virtual_method name="RenamePreset" cname="rename_preset">
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<return-type type="gboolean" />
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<parameters>
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<parameter type="const-gchar*" name="old_name" />
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<parameter type="const-gchar*" name="new_name" />
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</parameters>
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</virtual_method>
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<virtual_method name="DeletePreset" cname="delete_preset">
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<return-type type="gboolean" />
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<parameters>
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<parameter type="const-gchar*" name="name" />
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</parameters>
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</virtual_method>
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<virtual_method name="SetMeta" cname="set_meta">
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<return-type type="gboolean" />
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<parameters>
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<parameter type="const-gchar*" name="name" />
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<parameter type="const-gchar*" name="tag" />
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<parameter type="const-gchar*" name="value" />
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</parameters>
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</virtual_method>
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<virtual_method name="GetMeta" cname="get_meta">
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<return-type type="gboolean" />
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<parameters>
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<parameter type="const-gchar*" name="name" />
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<parameter type="const-gchar*" name="tag" />
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<parameter type="gchar**" name="value" />
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</parameters>
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</virtual_method>
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<method name="DeletePreset" cname="gst_preset_delete_preset">
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<return-type type="gboolean" />
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<parameters>
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<parameter type="const-gchar*" name="name" />
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</parameters>
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</method>
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<method name="GetMeta" cname="gst_preset_get_meta">
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<return-type type="gboolean" />
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<parameters>
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<parameter type="const-gchar*" name="name" />
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<parameter type="const-gchar*" name="tag" />
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<parameter type="gchar**" name="value" />
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</parameters>
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</method>
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<method name="GetPresetNames" cname="gst_preset_get_preset_names">
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<return-type type="gchar**" />
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</method>
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<method name="GetPropertyNames" cname="gst_preset_get_property_names">
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<return-type type="gchar**" />
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</method>
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<method name="GetType" cname="gst_preset_get_type" shared="true">
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<return-type type="GType" />
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</method>
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<method name="LoadPreset" cname="gst_preset_load_preset">
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<return-type type="gboolean" />
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<parameters>
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<parameter type="const-gchar*" name="name" />
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</parameters>
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</method>
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<method name="RenamePreset" cname="gst_preset_rename_preset">
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<return-type type="gboolean" />
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<parameters>
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<parameter type="const-gchar*" name="old_name" />
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<parameter type="const-gchar*" name="new_name" />
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</parameters>
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</method>
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<method name="SavePreset" cname="gst_preset_save_preset">
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<return-type type="gboolean" />
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<parameters>
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<parameter type="const-gchar*" name="name" />
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</parameters>
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</method>
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<method name="SetMeta" cname="gst_preset_set_meta">
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<return-type type="gboolean" />
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<parameters>
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<parameter type="const-gchar*" name="name" />
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<parameter type="const-gchar*" name="tag" />
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<parameter type="const-gchar*" name="value" />
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</parameters>
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</method>
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</interface>
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<interface name="TagSetter" cname="GstTagSetter">
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<class_struct cname="GstTagSetterIFace">
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<field name="GIface" cname="g_iface" type="GTypeInterface" />
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