RunLengthEncoder.h

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/*
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * RunLengthEncoder.h
 * Header file for the RunLengthEncoder class
 * Copyright (C) 2005-2009 Simon Newton
 */

#ifndef INCLUDE_OLA_DMX_RUNLENGTHENCODER_H_
#define INCLUDE_OLA_DMX_RUNLENGTHENCODER_H_

#include <ola/DmxBuffer.h>

namespace ola {
namespace dmx {

class RunLengthEncoder {
  public :
    RunLengthEncoder() {}
    ~RunLengthEncoder() {}

    bool Encode(const DmxBuffer &src,
                uint8_t *data,
                unsigned int &size);

    bool Decode(unsigned int start_channel,
                const uint8_t *data,
                unsigned int length,
                DmxBuffer *output);

  private:
    static const uint8_t REPEAT_FLAG = 0x80;
};
}  // namespace dmx
}  // namespace ola
#endif  // INCLUDE_OLA_DMX_RUNLENGTHENCODER_H_