gstreamer/gstreamer-sharp/PresetDefault.cs
2009-09-20 10:22:16 +02:00

115 lines
5 KiB
C#

using System;
using System.Runtime.InteropServices;
namespace Gst {
public static class PresetDefault {
[StructLayout (LayoutKind.Sequential) ]
struct GstPresetInterface {
public GetPresetNamesNativeDelegate GetPresetNames;
public GetPropertyNamesNativeDelegate GetPropertyNames;
public LoadPresetNativeDelegate LoadPreset;
public SavePresetNativeDelegate SavePreset;
public RenamePresetNativeDelegate RenamePreset;
public DeletePresetNativeDelegate DeletePreset;
public SetMetaNativeDelegate SetMeta;
public GetMetaNativeDelegate GetMeta;
[MarshalAs (UnmanagedType.ByValArray, SizeConst=4) ]
public IntPtr[] GstReserved;
}
delegate IntPtr GetPresetNamesNativeDelegate (IntPtr inst);
delegate IntPtr GetPropertyNamesNativeDelegate (IntPtr inst);
delegate bool LoadPresetNativeDelegate (IntPtr inst, IntPtr name);
delegate bool SavePresetNativeDelegate (IntPtr inst, IntPtr name);
delegate bool RenamePresetNativeDelegate (IntPtr inst, IntPtr old_name, IntPtr new_name);
delegate bool DeletePresetNativeDelegate (IntPtr inst, IntPtr name);
delegate bool SetMetaNativeDelegate (IntPtr inst, IntPtr name, IntPtr tag, IntPtr value);
delegate bool GetMetaNativeDelegate (IntPtr inst, IntPtr name, IntPtr tag, out IntPtr value);
static GstPresetInterface default_iface;
[DllImport ("libgobject-2.0-0.dll") ]
static extern IntPtr g_type_default_interface_ref (IntPtr type);
[DllImport ("libgstreamer-0.10.dll") ]
static extern IntPtr gst_preset_get_type();
static PresetDefault () {
IntPtr type = gst_preset_get_type ();
if (type == IntPtr.Zero)
throw new Exception ("Can't get GstPreset interface type");
IntPtr native_iface = g_type_default_interface_ref (type);
if (native_iface == IntPtr.Zero)
throw new Exception ("Can't get GstPreset default interface vtable");
default_iface = (GstPresetInterface) Marshal.PtrToStructure (native_iface, typeof (GstPresetInterface));
}
public static bool DeletePreset (Gst.GLib.Object o, string name) {
IntPtr native_name = Gst.GLib.Marshaller.StringToPtrGStrdup (name);
bool raw_ret = default_iface.DeletePreset (o.Handle, native_name);
bool ret = raw_ret;
Gst.GLib.Marshaller.Free (native_name);
return ret;
}
public static string[] GetPropertyNames (Gst.GLib.Object o) {
IntPtr raw_ret = default_iface.GetPropertyNames (o.Handle);
string[] ret = Gst.GLib.Marshaller.NullTermPtrToStringArray (raw_ret, true);
return ret;
}
public static bool RenamePreset (Gst.GLib.Object o, string old_name, string new_name) {
IntPtr native_old_name = Gst.GLib.Marshaller.StringToPtrGStrdup (old_name);
IntPtr native_new_name = Gst.GLib.Marshaller.StringToPtrGStrdup (new_name);
bool raw_ret = default_iface.RenamePreset (o.Handle, native_old_name, native_new_name);
bool ret = raw_ret;
Gst.GLib.Marshaller.Free (native_old_name);
Gst.GLib.Marshaller.Free (native_new_name);
return ret;
}
public static bool SetMeta (Gst.GLib.Object o, string name, string tag, string value) {
IntPtr native_name = Gst.GLib.Marshaller.StringToPtrGStrdup (name);
IntPtr native_tag = Gst.GLib.Marshaller.StringToPtrGStrdup (tag);
IntPtr native_value = Gst.GLib.Marshaller.StringToPtrGStrdup (value);
bool raw_ret = default_iface.SetMeta (o.Handle, native_name, native_tag, native_value);
bool ret = raw_ret;
Gst.GLib.Marshaller.Free (native_name);
Gst.GLib.Marshaller.Free (native_tag);
Gst.GLib.Marshaller.Free (native_value);
return ret;
}
public static bool LoadPreset (Gst.GLib.Object o, string name) {
IntPtr native_name = Gst.GLib.Marshaller.StringToPtrGStrdup (name);
bool raw_ret = default_iface.LoadPreset (o.Handle, native_name);
bool ret = raw_ret;
Gst.GLib.Marshaller.Free (native_name);
return ret;
}
public static bool GetMeta (Gst.GLib.Object o, string name, string tag, out string value) {
IntPtr native_name = Gst.GLib.Marshaller.StringToPtrGStrdup (name);
IntPtr native_tag = Gst.GLib.Marshaller.StringToPtrGStrdup (tag);
IntPtr native_value;
bool raw_ret = default_iface.GetMeta (o.Handle, native_name, native_tag, out native_value);
bool ret = raw_ret;
Gst.GLib.Marshaller.Free (native_name);
Gst.GLib.Marshaller.Free (native_tag);
value = Gst.GLib.Marshaller.PtrToStringGFree (native_value);
return ret;
}
public static string[] GetPresetNames (Gst.GLib.Object o) {
IntPtr raw_ret = default_iface.GetPresetNames (o.Handle);
string[] ret = Gst.GLib.Marshaller.NullTermPtrToStringArray (raw_ret, true);
return ret;
}
public static bool SavePreset (Gst.GLib.Object o, string name) {
IntPtr native_name = Gst.GLib.Marshaller.StringToPtrGStrdup (name);
bool raw_ret = default_iface.SavePreset (o.Handle, native_name);
bool ret = raw_ret;
Gst.GLib.Marshaller.Free (native_name);
return ret;
}
}
}