gstreamer/gstreamer-sharp/TypeFind.custom
2009-09-20 10:22:16 +02:00

34 lines
1.3 KiB
Text

[DllImport ("libgstreamer-0.10.dll") ]
static extern IntPtr gst_type_find_peek (IntPtr raw, long offset, uint size);
public byte[] Peek (long offset, uint size) {
IntPtr raw_ret = gst_type_find_peek (Handle, offset, size);
if (raw_ret == IntPtr.Zero)
return null;
byte[] ret = new byte[size];
Marshal.Copy (raw_ret, ret, 0, (int) size);
return ret;
}
private GstSharp.TypeFindPeekFunctionWrapper peek;
private GstSharp.TypeFindSuggestFunctionWrapper suggest;
private GstSharp.TypeFindGetLengthFunctionWrapper get_length;
[DllImport ("gstreamersharpglue-0.10.dll") ]
static extern IntPtr gstsharp_gst_type_find_new (GstSharp.TypeFindPeekFunctionNative peek, GstSharp.TypeFindSuggestFunctionNative suggest, GstSharp.TypeFindGetLengthFunctionNative get_length);
public TypeFind (TypeFindPeekFunction peek, TypeFindSuggestFunction suggest, TypeFindGetLengthFunction get_length) : base () {
this.peek = new GstSharp.TypeFindPeekFunctionWrapper (peek);
this.suggest = new GstSharp.TypeFindSuggestFunctionWrapper (suggest);
this.get_length = new GstSharp.TypeFindGetLengthFunctionWrapper (get_length);
Raw = gstsharp_gst_type_find_new (this.peek.NativeDelegate, this.suggest.NativeDelegate, this.get_length.NativeDelegate);
Owned = true;
}
protected override void Free (IntPtr raw) {
Gst.GLib.Marshaller.Free (raw);
}