using System.Runtime.InteropServices;
using System.Collections;
-namespace Gst {
+namespace Gst
+{
- delegate void GClosureMarshal (IntPtr closure, ref GLib.Value retval, uint argc, IntPtr argsPtr,
+ delegate void GClosureMarshal (IntPtr closure, ref GLib.Value retval, uint argc, IntPtr argsPtr,
IntPtr invocation_hint, IntPtr data);
- public delegate void SignalHandler (object o, SignalArgs args);
-
- public static class DynamicSignal {
-
- private static readonly int gvalue_struct_size = Marshal.SizeOf (typeof (GLib.Value));
-
- class ObjectSignalKey {
- object o;
- string signal_name;
-
- public ObjectSignalKey (object o, string name) {
- this.o = o;
- signal_name = name;
- }
-
- public override bool Equals (object o) {
- if (o is ObjectSignalKey) {
- ObjectSignalKey k = (ObjectSignalKey) o;
- return k.o.Equals (this.o) && signal_name.Equals (k.signal_name);
- }
- return base.Equals (o);
- }
-
- public override int GetHashCode() {
- return o.GetHashCode() ^ signal_name.GetHashCode();
- }
- }
-
- class SignalInfo {
- uint handlerId;
- IntPtr closure;
- Delegate registeredHandler;
- Type argsType;
-
- public IntPtr Closure {
- get {
- return closure;
- } set {
- closure = value;
- }
- }
-
- public uint HandlerId {
- get {
- return handlerId;
- } set {
- handlerId = value;
- }
- }
-
- public Delegate RegisteredHandler {
- get {
- return registeredHandler;
- } set {
- registeredHandler = value;
- }
- }
-
- public Type ArgsType {
- get {
- return argsType;
- } set {
- argsType = value;
- }
- }
-
- public SignalInfo (uint handlerId, IntPtr closure, Delegate registeredHandler) {
- this.handlerId = handlerId;
- this.closure = closure;
- this.registeredHandler = registeredHandler;
-
- if (!IsValidDelegate (registeredHandler))
- throw new Exception ("Invalid delegate");
-
- MethodInfo mi = registeredHandler.Method;
- ParameterInfo[] parms = mi.GetParameters ();
- this.argsType = parms[1].ParameterType;
- }
-
- public void UpdateArgsType (Delegate d) {
- if (!IsCompatibleDelegate (d))
- throw new Exception ("Incompatible delegate");
-
- MethodInfo mi = d.Method;
- ParameterInfo[] parms = mi.GetParameters ();
-
- Type t1 = parms[1].ParameterType;
- Type t2 = argsType;
-
- if (t1 == t2)
- return;
-
- if (t1.IsSubclassOf (t2))
- argsType = t1;
- else if (t2.IsSubclassOf (t1))
- argsType = t2;
- else
- throw new Exception ("Incompatible delegate");
- }
-
- public bool IsCompatibleDelegate (Delegate d) {
- if (!IsValidDelegate (d))
- return false;
-
- MethodInfo mi = d.Method;
- ParameterInfo[] parms = mi.GetParameters ();
-
- if (parms[1].ParameterType != this.argsType &&
- !parms[1].ParameterType.IsSubclassOf (this.argsType) &&
- !this.argsType.IsSubclassOf (parms[1].ParameterType))
- return false;
-
- return true;
- }
-
- public static bool IsValidDelegate (Delegate d) {
- MethodInfo mi = d.Method;
-
- if (mi.ReturnType != typeof (void))
- return false;
-
- ParameterInfo[] parms = mi.GetParameters ();
- if (parms.Length != 2)
- return false;
-
- if (parms[1].ParameterType != typeof (GLib.SignalArgs) &&
- !parms[1].ParameterType.IsSubclassOf (typeof (GLib.SignalArgs)))
- return false;
-
- return true;
- }
- }
-
- static Hashtable SignalHandlers = new Hashtable();
-
- static GClosureMarshal marshalHandler = new GClosureMarshal (OnMarshal);
-
- public static void Connect (GLib.Object o, string name, SignalHandler handler) {
- Connect (o, name, false, (Delegate) handler);
- }
-
- public static void Connect (GLib.Object o, string name,
- bool after, SignalHandler handler) {
- Connect (o, name, after, (Delegate) handler);
- }
-
- public static void Connect (GLib.Object o, string name, Delegate handler) {
- Connect (o, name, false, handler);
- }
-
- static int g_closure_sizeof = gstsharp_g_closure_sizeof ();
-
- public static void Connect (GLib.Object o, string name,
- bool after, Delegate handler) {
- Delegate newHandler;
-
- ObjectSignalKey k = new ObjectSignalKey (o, name);
-
- if (!SignalInfo.IsValidDelegate (handler))
- throw new Exception ("Invalid delegate");
-
- if (SignalHandlers[k] != null) {
- SignalInfo si = (SignalInfo) SignalHandlers[k];
- if (!si.IsCompatibleDelegate (handler))
- throw new Exception ("Incompatible delegate");
-
- newHandler = Delegate.Combine (si.RegisteredHandler, handler);
- si.UpdateArgsType (handler);
- si.RegisteredHandler = newHandler;
- } else {
- if (!SignalInfo.IsValidDelegate (handler))
- throw new Exception ("Invalid delegate");
-
- IntPtr closure = g_closure_new_simple (g_closure_sizeof, IntPtr.Zero);
- g_closure_set_meta_marshal (closure, (IntPtr) GCHandle.Alloc (k), marshalHandler);
- uint signalId = g_signal_connect_closure (o.Handle, name, closure, after);
- SignalHandlers.Add (k, new SignalInfo (signalId, closure, handler));
- }
- }
-
- [DllImport ("libgstreamersharpglue-1.0.0.dll") ]
- static extern int gstsharp_g_closure_sizeof ();
-
- public static void Disconnect (GLib.Object o, string name, Delegate handler) {
- ObjectSignalKey k = new ObjectSignalKey (o, name);
- if (SignalHandlers[k] != null) {
- SignalInfo si = (SignalInfo) SignalHandlers[k];
- Delegate newHandler = Delegate.Remove (si.RegisteredHandler, handler);
- if (newHandler == null || handler == null) {
- g_signal_handler_disconnect (o.Handle, si.HandlerId);
- SignalHandlers.Remove (k);
- } else {
- si.RegisteredHandler = newHandler;
- }
- }
- }
-
- static void OnMarshal (IntPtr closure, ref GLib.Value retval, uint argc, IntPtr argsPtr,
- IntPtr ihint, IntPtr data) {
- object [] args = new object[argc - 1];
- object o = ( (GLib.Value) Marshal.PtrToStructure (argsPtr, typeof (GLib.Value))).Val;
-
- for (int i = 1; i < argc; i++) {
- IntPtr struct_ptr = (IntPtr) ( (long) argsPtr + (i * gvalue_struct_size));
- GLib.Value argument = (GLib.Value) Marshal.PtrToStructure (struct_ptr, typeof (GLib.Value));
- args[i - 1] = argument.Val;
- }
-
- if (data == IntPtr.Zero) {
- Console.Error.WriteLine ("No available data");
- return;
- }
-
- ObjectSignalKey k = (ObjectSignalKey) ( (GCHandle) data).Target;
- if (k != null) {
- SignalInfo si = (SignalInfo) SignalHandlers[k];
- GLib.SignalArgs arg = (GLib.SignalArgs) Activator.CreateInstance (si.ArgsType);
- arg.Args = args;
- si.RegisteredHandler.DynamicInvoke (new object[] {o, arg});
- if (arg.RetVal != null) {
- retval.Val = arg.RetVal;
- }
- }
- }
-
-
- [DllImport ("libgobject-2.0-0.dll") ]
- static extern IntPtr g_closure_new_simple (int size, IntPtr data);
-
- [DllImport ("libgobject-2.0-0.dll") ]
- static extern uint g_signal_connect_closure (IntPtr instance,
- string name, IntPtr closure, bool after);
-
- [DllImport ("libgobject-2.0-0.dll") ]
- static extern void g_closure_set_meta_marshal (IntPtr closure, IntPtr data, GClosureMarshal marshal);
-
- class GTypeSignalKey {
- GType type;
- string signal_name;
-
- public GTypeSignalKey (GType type, string name) {
- this.type = type;
- signal_name = name;
- }
-
- public override bool Equals (object o) {
- if (o is GTypeSignalKey) {
- GTypeSignalKey k = (GTypeSignalKey) o;
- return k.type.Equals (this.type) && signal_name.Equals (k.signal_name);
- }
- return base.Equals (o);
- }
-
- public override int GetHashCode() {
- return type.GetHashCode() ^ signal_name.GetHashCode();
- }
- }
-
- struct SignalQuery {
- public uint signal_id;
- public string signal_name;
- public GType itype;
- public uint signal_flags;
- public GType return_type;
- public uint n_params;
- public Type[] param_types;
- }
-
- static Hashtable SignalEmitInfo = new Hashtable ();
-
- public static object Emit (GLib.Object o, string name, params object[] parameters) {
- SignalQuery query;
- IntPtr type = gstsharp_g_type_from_instance (o.Handle);
- GType gtype = new GType (type);
- string signal_name, signal_detail;
- uint signal_detail_quark = 0;
- int colon;
-
- colon = name.LastIndexOf ("::");
-
- if (colon == -1) {
- signal_name = name;
- signal_detail = String.Empty;
- } else {
- signal_name = name.Substring (0, colon);
- signal_detail = name.Substring (colon + 2);
- }
-
- GTypeSignalKey key = new GTypeSignalKey (gtype, signal_name);
-
- if (SignalEmitInfo[key] == null) {
- IntPtr native_string = GLib.Marshaller.StringToPtrGStrdup (signal_name);
- uint signal_id = g_signal_lookup (native_string, type);
- GLib.Marshaller.Free (native_string);
-
- if (signal_id == 0)
- throw new NotSupportedException (String.Format ("{0} has no signal of name {1}", o, name));
- GSignalQuery q = new GSignalQuery ();
- g_signal_query (signal_id, ref q);
-
- if (q.signal_id == 0)
- throw new NotSupportedException (String.Format ("{0} couldn't be queried for signal with name {1}", o, name));
-
- query = new SignalQuery ();
-
- query.signal_id = signal_id;
- query.signal_name = GLib.Marshaller.Utf8PtrToString (q.signal_name);
- query.itype = new GType (q.itype);
- query.signal_flags = q.signal_flags;
- query.return_type = new GType (q.return_type);
- query.n_params = q.n_params;
- query.param_types = new Type[q.n_params];
-
- for (int i = 0; i < query.n_params; i++) {
- IntPtr t = Marshal.ReadIntPtr (q.param_types, i);
- GType g = new GType (t);
-
- query.param_types[i] = (Type) g;
- }
-
- SignalEmitInfo.Add (key, query);
- }
-
- query = (SignalQuery) SignalEmitInfo[key];
- GLib.Value[] signal_parameters = new GLib.Value[query.n_params + 1];
- signal_parameters[0] = new GLib.Value (o);
-
- if (parameters.Length != query.n_params)
- throw new ApplicationException (String.Format ("Invalid number of parameters: expected {0}, got {1}", query.n_params, parameters.Length));
-
- for (int i = 0; i < query.n_params; i++) {
- Type expected_type = (Type) query.param_types[i];
- Type given_type = parameters[i].GetType ();
-
- if (expected_type != given_type && ! given_type.IsSubclassOf (given_type))
- throw new ApplicationException (String.Format ("Invalid parameter type: expected {0}, got {1}", expected_type, given_type));
-
- signal_parameters[i + 1] = new GLib.Value (parameters[i]);
- }
-
- GLib.Value return_value = new GLib.Value ();
- if (query.return_type != GType.Invalid && query.return_type != GType.None)
- return_value.Init (query.return_type);
-
- if (signal_detail != String.Empty) {
- IntPtr native_string = GLib.Marshaller.StringToPtrGStrdup (signal_detail);
- signal_detail_quark = g_quark_from_string (native_string);
- GLib.Marshaller.Free (native_string);
- }
-
- g_signal_emitv (signal_parameters, query.signal_id, signal_detail_quark, ref return_value);
-
- foreach (GLib.Value v in signal_parameters)
- v.Dispose ();
-
- object ret = (query.return_type != GType.Invalid && query.return_type != GType.None) ? return_value.Val : null;
-
- if (ret != null)
- return_value.Dispose ();
-
- return ret;
- }
+ public delegate void SignalHandler (object o, SignalArgs args);
+
+ public static class DynamicSignal
+ {
+
+ private static readonly int gvalue_struct_size = Marshal.SizeOf (typeof(GLib.Value));
+
+ class ObjectSignalKey
+ {
+ object o;
+ string signal_name;
+
+ public ObjectSignalKey (object o, string name)
+ {
+ this.o = o;
+ signal_name = name;
+ }
+
+ public override bool Equals (object o)
+ {
+ if (o is ObjectSignalKey) {
+ ObjectSignalKey k = (ObjectSignalKey)o;
+ return k.o.Equals (this.o) && signal_name.Equals (k.signal_name);
+ }
+ return base.Equals (o);
+ }
+
+ public override int GetHashCode ()
+ {
+ return o.GetHashCode () ^ signal_name.GetHashCode ();
+ }
+ }
+
+ class SignalInfo
+ {
+ uint handlerId;
+ IntPtr closure;
+ Delegate registeredHandler;
+ Type argsType;
+
+ public IntPtr Closure {
+ get {
+ return closure;
+ }
+ set {
+ closure = value;
+ }
+ }
+
+ public uint HandlerId {
+ get {
+ return handlerId;
+ }
+ set {
+ handlerId = value;
+ }
+ }
+
+ public Delegate RegisteredHandler {
+ get {
+ return registeredHandler;
+ }
+ set {
+ registeredHandler = value;
+ }
+ }
+
+ public Type ArgsType {
+ get {
+ return argsType;
+ }
+ set {
+ argsType = value;
+ }
+ }
+
+ public SignalInfo (uint handlerId, IntPtr closure, Delegate registeredHandler)
+ {
+ this.handlerId = handlerId;
+ this.closure = closure;
+ this.registeredHandler = registeredHandler;
+
+ if (!IsValidDelegate (registeredHandler))
+ throw new Exception ("Invalid delegate");
+
+ MethodInfo mi = registeredHandler.Method;
+ ParameterInfo[] parms = mi.GetParameters ();
+ this.argsType = parms [1].ParameterType;
+ }
+
+ public void UpdateArgsType (Delegate d)
+ {
+ if (!IsCompatibleDelegate (d))
+ throw new Exception ("Incompatible delegate");
+
+ MethodInfo mi = d.Method;
+ ParameterInfo[] parms = mi.GetParameters ();
+
+ Type t1 = parms [1].ParameterType;
+ Type t2 = argsType;
+
+ if (t1 == t2)
+ return;
+
+ if (t1.IsSubclassOf (t2))
+ argsType = t1;
+ else if (t2.IsSubclassOf (t1))
+ argsType = t2;
+ else
+ throw new Exception ("Incompatible delegate");
+ }
+
+ public bool IsCompatibleDelegate (Delegate d)
+ {
+ if (!IsValidDelegate (d))
+ return false;
+
+ MethodInfo mi = d.Method;
+ ParameterInfo[] parms = mi.GetParameters ();
+
+ if (parms [1].ParameterType != this.argsType &&
+ !parms [1].ParameterType.IsSubclassOf (this.argsType) &&
+ !this.argsType.IsSubclassOf (parms [1].ParameterType))
+ return false;
+
+ return true;
+ }
+
+ public static bool IsValidDelegate (Delegate d)
+ {
+ MethodInfo mi = d.Method;
+
+ if (mi.ReturnType != typeof(void))
+ return false;
+
+ ParameterInfo[] parms = mi.GetParameters ();
+ if (parms.Length != 2)
+ return false;
+
+ if (parms [1].ParameterType != typeof(GLib.SignalArgs) &&
+ !parms [1].ParameterType.IsSubclassOf (typeof(GLib.SignalArgs)))
+ return false;
+
+ return true;
+ }
+ }
+
+ static Hashtable SignalHandlers = new Hashtable ();
+
+ static GClosureMarshal marshalHandler = new GClosureMarshal (OnMarshal);
+
+ public static void Connect (GLib.Object o, string name, SignalHandler handler)
+ {
+ Connect (o, name, false, (Delegate)handler);
+ }
+
+ public static void Connect (GLib.Object o, string name,
+ bool after, SignalHandler handler)
+ {
+ Connect (o, name, after, (Delegate)handler);
+ }
+
+ public static void Connect (GLib.Object o, string name, Delegate handler)
+ {
+ Connect (o, name, false, handler);
+ }
+
+ static int g_closure_sizeof = gstsharp_g_closure_sizeof ();
+
+ public static void Connect (GLib.Object o, string name,
+ bool after, Delegate handler)
+ {
+ Delegate newHandler;
+
+ ObjectSignalKey k = new ObjectSignalKey (o, name);
+
+ if (!SignalInfo.IsValidDelegate (handler))
+ throw new Exception ("Invalid delegate");
+
+ if (SignalHandlers [k] != null) {
+ SignalInfo si = (SignalInfo)SignalHandlers [k];
+ if (!si.IsCompatibleDelegate (handler))
+ throw new Exception ("Incompatible delegate");
+
+ newHandler = Delegate.Combine (si.RegisteredHandler, handler);
+ si.UpdateArgsType (handler);
+ si.RegisteredHandler = newHandler;
+ } else {
+ if (!SignalInfo.IsValidDelegate (handler))
+ throw new Exception ("Invalid delegate");
+
+ IntPtr closure = g_closure_new_simple (g_closure_sizeof, IntPtr.Zero);
+ g_closure_set_meta_marshal (closure, (IntPtr)GCHandle.Alloc (k), marshalHandler);
+ uint signalId = g_signal_connect_closure (o.Handle, name, closure, after);
+ SignalHandlers.Add (k, new SignalInfo (signalId, closure, handler));
+ }
+ }
+
+ [DllImport ("libgstreamersharpglue-1.0.0.dll")]
+ static extern int gstsharp_g_closure_sizeof ();
+
+ public static void Disconnect (GLib.Object o, string name, Delegate handler)
+ {
+ ObjectSignalKey k = new ObjectSignalKey (o, name);
+ if (SignalHandlers [k] != null) {
+ SignalInfo si = (SignalInfo)SignalHandlers [k];
+ Delegate newHandler = Delegate.Remove (si.RegisteredHandler, handler);
+ if (newHandler == null || handler == null) {
+ g_signal_handler_disconnect (o.Handle, si.HandlerId);
+ SignalHandlers.Remove (k);
+ } else {
+ si.RegisteredHandler = newHandler;
+ }
+ }
+ }
+
+ static void OnMarshal (IntPtr closure, ref GLib.Value retval, uint argc, IntPtr argsPtr,
+ IntPtr ihint, IntPtr data)
+ {
+ object[] args = new object[argc - 1];
+ object o = ((GLib.Value)Marshal.PtrToStructure (argsPtr, typeof(GLib.Value))).Val;
+
+ for (int i = 1; i < argc; i++) {
+ IntPtr struct_ptr = (IntPtr)((long)argsPtr + (i * gvalue_struct_size));
+ GLib.Value argument = (GLib.Value)Marshal.PtrToStructure (struct_ptr, typeof(GLib.Value));
+ args [i - 1] = argument.Val;
+ }
+
+ if (data == IntPtr.Zero) {
+ Console.Error.WriteLine ("No available data");
+ return;
+ }
+
+ ObjectSignalKey k = (ObjectSignalKey)((GCHandle)data).Target;
+ if (k != null) {
+ SignalInfo si = (SignalInfo)SignalHandlers [k];
+ GLib.SignalArgs arg = (GLib.SignalArgs)Activator.CreateInstance (si.ArgsType);
+ arg.Args = args;
+ si.RegisteredHandler.DynamicInvoke (new object[] { o, arg });
+ if (arg.RetVal != null) {
+ retval.Val = arg.RetVal;
+ }
+ }
+ }
+
+
+ [DllImport ("libgobject-2.0-0.dll")]
+ static extern IntPtr g_closure_new_simple (int size, IntPtr data);
+
+ [DllImport ("libgobject-2.0-0.dll")]
+ static extern uint g_signal_connect_closure (IntPtr instance,
+ string name, IntPtr closure, bool after);
+
+ [DllImport ("libgobject-2.0-0.dll")]
+ static extern void g_closure_set_meta_marshal (IntPtr closure, IntPtr data, GClosureMarshal marshal);
+
+ class GTypeSignalKey
+ {
+ GType type;
+ string signal_name;
+
+ public GTypeSignalKey (GType type, string name)
+ {
+ this.type = type;
+ signal_name = name;
+ }
+
+ public override bool Equals (object o)
+ {
+ if (o is GTypeSignalKey) {
+ GTypeSignalKey k = (GTypeSignalKey)o;
+ return k.type.Equals (this.type) && signal_name.Equals (k.signal_name);
+ }
+ return base.Equals (o);
+ }
+
+ public override int GetHashCode ()
+ {
+ return type.GetHashCode () ^ signal_name.GetHashCode ();
+ }
+ }
+
+ struct SignalQuery
+ {
+ public uint signal_id;
+ public string signal_name;
+ public GType itype;
+ public uint signal_flags;
+ public GType return_type;
+ public uint n_params;
+ public Type[] param_types;
+ }
+
+ static Hashtable SignalEmitInfo = new Hashtable ();
+
+ public static object Emit (GLib.Object o, string name, params object[] parameters)
+ {
+ SignalQuery query;
+ IntPtr type = gstsharp_g_type_from_instance (o.Handle);
+ GType gtype = new GType (type);
+ string signal_name, signal_detail;
+ uint signal_detail_quark = 0;
+ int colon;
+
+ colon = name.LastIndexOf ("::");
+
+ if (colon == -1) {
+ signal_name = name;
+ signal_detail = String.Empty;
+ } else {
+ signal_name = name.Substring (0, colon);
+ signal_detail = name.Substring (colon + 2);
+ }
+
+ GTypeSignalKey key = new GTypeSignalKey (gtype, signal_name);
+
+ if (SignalEmitInfo [key] == null) {
+ IntPtr native_string = GLib.Marshaller.StringToPtrGStrdup (signal_name);
+ uint signal_id = g_signal_lookup (native_string, type);
+ GLib.Marshaller.Free (native_string);
+
+ if (signal_id == 0)
+ throw new NotSupportedException (String.Format ("{0} has no signal of name {1}", o, name));
+ GSignalQuery q = new GSignalQuery ();
+ g_signal_query (signal_id, ref q);
+
+ if (q.signal_id == 0)
+ throw new NotSupportedException (String.Format ("{0} couldn't be queried for signal with name {1}", o, name));
+
+ query = new SignalQuery ();
+
+ query.signal_id = signal_id;
+ query.signal_name = GLib.Marshaller.Utf8PtrToString (q.signal_name);
+ query.itype = new GType (q.itype);
+ query.signal_flags = q.signal_flags;
+ query.return_type = new GType (q.return_type);
+ query.n_params = q.n_params;
+ query.param_types = new Type[q.n_params];
+
+ for (int i = 0; i < query.n_params; i++) {
+ IntPtr t = Marshal.ReadIntPtr (q.param_types, i);
+ GType g = new GType (t);
+
+ query.param_types [i] = (Type)g;
+ }
+
+ SignalEmitInfo.Add (key, query);
+ }
+
+ query = (SignalQuery)SignalEmitInfo [key];
+ GLib.Value[] signal_parameters = new GLib.Value[query.n_params + 1];
+ signal_parameters [0] = new GLib.Value (o);
+
+ if (parameters.Length != query.n_params)
+ throw new ApplicationException (String.Format ("Invalid number of parameters: expected {0}, got {1}", query.n_params, parameters.Length));
+
+ for (int i = 0; i < query.n_params; i++) {
+ Type expected_type = (Type)query.param_types [i];
+ Type given_type = parameters [i].GetType ();
+
+ if (expected_type != given_type && !given_type.IsSubclassOf (given_type))
+ throw new ApplicationException (String.Format ("Invalid parameter type: expected {0}, got {1}", expected_type, given_type));
+
+ signal_parameters [i + 1] = new GLib.Value (parameters [i]);
+ }
+
+ GLib.Value return_value = new GLib.Value ();
+ if (query.return_type != GType.Invalid && query.return_type != GType.None)
+ return_value.Init (query.return_type);
+
+ if (signal_detail != String.Empty) {
+ IntPtr native_string = GLib.Marshaller.StringToPtrGStrdup (signal_detail);
+ signal_detail_quark = g_quark_from_string (native_string);
+ GLib.Marshaller.Free (native_string);
+ }
+
+ g_signal_emitv (signal_parameters, query.signal_id, signal_detail_quark, ref return_value);
+
+ foreach (GLib.Value v in signal_parameters)
+ v.Dispose ();
+
+ object ret = (query.return_type != GType.Invalid && query.return_type != GType.None) ? return_value.Val : null;
+
+ if (ret != null)
+ return_value.Dispose ();
+
+ return ret;
+ }
- [DllImport ("libgstreamersharpglue-1.0.0.dll") ]
- static extern IntPtr gstsharp_g_type_from_instance (IntPtr o);
+ [DllImport ("libgstreamersharpglue-1.0.0.dll")]
+ static extern IntPtr gstsharp_g_type_from_instance (IntPtr o);
- [DllImport ("libgobject-2.0-0.dll") ]
- static extern int g_signal_handler_disconnect (IntPtr o, uint handler_id);
+ [DllImport ("libgobject-2.0-0.dll")]
+ static extern int g_signal_handler_disconnect (IntPtr o, uint handler_id);
- [DllImport ("libgobject-2.0-0.dll") ]
- static extern uint g_signal_lookup (IntPtr name, IntPtr itype);
+ [DllImport ("libgobject-2.0-0.dll")]
+ static extern uint g_signal_lookup (IntPtr name, IntPtr itype);
- [DllImport ("libglib-2.0-0.dll") ]
- static extern uint g_quark_from_string (IntPtr str);
+ [DllImport ("libglib-2.0-0.dll")]
+ static extern uint g_quark_from_string (IntPtr str);
- [DllImport ("libgobject-2.0-0.dll") ]
- static extern void g_signal_emitv (GLib.Value[] parameters, uint signal_id, uint detail, ref GLib.Value return_value);
+ [DllImport ("libgobject-2.0-0.dll")]
+ static extern void g_signal_emitv (GLib.Value[] parameters, uint signal_id, uint detail, ref GLib.Value return_value);
- [StructLayout (LayoutKind.Sequential) ]
- struct GSignalQuery {
- public uint signal_id;
- public IntPtr signal_name;
- public IntPtr itype;
- public uint signal_flags;
- public IntPtr return_type;
- public uint n_params;
- public IntPtr param_types;
- }
+ [StructLayout (LayoutKind.Sequential)]
+ struct GSignalQuery
+ {
+ public uint signal_id;
+ public IntPtr signal_name;
+ public IntPtr itype;
+ public uint signal_flags;
+ public IntPtr return_type;
+ public uint n_params;
+ public IntPtr param_types;
+ }
- [DllImport ("libgobject-2.0-0.dll") ]
- static extern void g_signal_query (uint signal_id, ref GSignalQuery query);
- }
+ [DllImport ("libgobject-2.0-0.dll")]
+ static extern void g_signal_query (uint signal_id, ref GSignalQuery query);
+ }
}
\ No newline at end of file
projects / platform / upstream / gstreamer.git / commitdiff