gstreamer/gstreamer-sharp/ByteReader.custom
Sebastian Dröge 28e879b517 Make sure that the Bit/BitReader buffer is not GC'd before we stop using it
Also add a property to get the used buffer.
2009-10-03 09:12:01 +02:00

51 lines
1.3 KiB
Text

Gst.Buffer buffer = null;
public Gst.Buffer Buffer {
get {
return buffer;
}
}
[DllImport("libgstbase-0.10.dll", CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr gst_byte_reader_new_from_buffer(IntPtr buffer);
public ByteReader (Gst.Buffer buffer)
{
Raw = gst_byte_reader_new_from_buffer(buffer == null ? IntPtr.Zero : buffer.Handle);
this.buffer = buffer;
}
[DllImport ("libgstbase-0.10.dll", CallingConvention = CallingConvention.Cdecl) ]
static extern bool gst_byte_reader_peek_data (IntPtr raw, uint size, out IntPtr val);
public bool PeekData (uint size, out byte[] val) {
IntPtr raw_ret;
bool ret = gst_byte_reader_peek_data (Handle, size, out raw_ret);
if (!ret || raw_ret == IntPtr.Zero) {
val = null;
} else {
val = new byte[size];
Marshal.Copy (raw_ret, val, 0, (int) size);
}
return ret;
}
[DllImport ("libgstbase-0.10.dll", CallingConvention = CallingConvention.Cdecl) ]
static extern bool gst_byte_reader_get_data (IntPtr raw, uint size, out IntPtr val);
public bool GetData (uint size, out byte[] val) {
IntPtr raw_ret;
bool ret = gst_byte_reader_get_data (Handle, size, out raw_ret);
if (!ret || raw_ret == IntPtr.Zero) {
val = null;
} else {
val = new byte[size];
Marshal.Copy (raw_ret, val, 0, (int) size);
}
return ret;
}