gstreamer/gstreamer-sharp/ByteWriter.custom
2010-02-01 10:44:21 +01:00

61 lines
1.8 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_writer_new_with_buffer (IntPtr buffer, bool initialized);
public ByteWriter (Gst.Buffer buffer, bool initialized) {
Raw = gst_byte_writer_new_with_buffer (buffer == null ? IntPtr.Zero : buffer.Handle, initialized);
this.buffer = buffer;
}
[DllImport ("libgstbase-0.10.dll", CallingConvention = CallingConvention.Cdecl) ]
static extern bool gst_byte_writer_put_data (IntPtr writer, IntPtr data, uint size);
public bool PutData (byte[] data) {
IntPtr data_raw = Marshal.AllocHGlobal (data.Length);
Marshal.Copy (data, 0, data_raw, data.Length);
bool ret = gst_byte_writer_put_data (Handle, data_raw, (uint) data.Length);
Marshal.FreeHGlobal (data_raw);
return ret;
}
[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;
}