gstreamer/gstreamer-sharp/TypeFind.custom

[DllImport ("gstreamer-0.10.dll") ]
static extern bool gst_type_find_register (IntPtr plugin, IntPtr name, uint rank, GstSharp.TypeFindFunctionNative func, IntPtr[] extensions, IntPtr possible_caps, IntPtr data, IntPtr data_notify);

public static bool Register (Gst.Plugin plugin, string name, uint rank, Gst.TypeFindFunction func, string[] extensions, Gst.Caps possible_caps) {
  IntPtr native_name = GLib.Marshaller.StringToPtrGStrdup (name);
  IntPtr[] native_extensions = GLib.Marshaller.StringArrayToNullTermPointer (extensions);
  GstSharp.TypeFindFunctionWrapper func_wrapper = new GstSharp.TypeFindFunctionWrapper (func);
  bool raw_ret = gst_type_find_register (plugin == null ? IntPtr.Zero : plugin.Handle, native_name, rank, func_wrapper.NativeDelegate, native_extensions, possible_caps == null ? IntPtr.Zero : possible_caps.Handle, IntPtr.Zero, IntPtr.Zero);
  bool ret = raw_ret;
  GLib.Marshaller.Free (native_name);
  GLib.Marshaller.Free (native_extensions);
  return ret;
}

[DllImport ("gstreamer-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") ]
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) {
  GLib.Marshaller.Free (raw);
}