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diff --git a/libs/surfaces/launch_control_xl/midi_byte_array.h b/libs/surfaces/launch_control_xl/midi_byte_array.h
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+++ b/libs/surfaces/launch_control_xl/midi_byte_array.h
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+/*
+	Copyright (C) 2006,2007 John Anderson
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+#ifndef midi_byte_array_h
+#define midi_byte_array_h
+
+#include <iostream>
+#include <vector>
+
+#include <boost/shared_array.hpp>
+
+//#include <midi++/types.h>
+namespace MIDI {
+	typedef unsigned char byte;
+}
+
+/**
+	To make building arrays of bytes easier. Thusly:
+
+	MidiByteArray mba;
+	mba << 0xf0 << 0x00 << 0xf7;
+
+	MidiByteArray buf;
+	buf << mba;
+
+	MidiByteArray direct( 3, 0xf0, 0x00, 0xf7 );
+
+	cout << mba << endl;
+	cout << buf << endl;
+	cout << direct << endl;
+
+	will all result in "f0 00 f7" being output to stdout
+*/
+class MidiByteArray : public std::vector<MIDI::byte>
+{
+public:
+	MidiByteArray() : std::vector<MIDI::byte>() {}
+
+	MidiByteArray( size_t count, MIDI::byte array[] );
+
+	bool compare_n (const MidiByteArray& other, MidiByteArray::size_type len) const;
+
+	/**
+		Accepts a preceding count, and then a list of bytes
+	*/
+	MidiByteArray( size_t count, MIDI::byte first, ... );
+
+	/// copy the given number of bytes from the given array
+	void copy( size_t count, MIDI::byte arr[] );
+};
+
+/// append the given byte to the end of the array
+MidiByteArray & operator << ( MidiByteArray & mba, const MIDI::byte & b );
+
+/// append the given string to the end of the array
+MidiByteArray & operator << ( MidiByteArray & mba, const std::string & );
+
+/// append the given array to the end of this array
+MidiByteArray & operator << ( MidiByteArray & mba, const MidiByteArray & barr );
+
+/// output the bytes as hex to the given stream
+std::ostream & operator << ( std::ostream & os, const MidiByteArray & mba );
+
+#endif