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RunLengthEncoder.h
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1 /*
2  * This library is free software; you can redistribute it and/or
3  * modify it under the terms of the GNU Lesser General Public
4  * License as published by the Free Software Foundation; either
5  * version 2.1 of the License, or (at your option) any later version.
6  *
7  * This library is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10  * Lesser General Public License for more details.
11  *
12  * You should have received a copy of the GNU Lesser General Public
13  * License along with this library; if not, write to the Free Software
14  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
15  *
16  * RunLengthEncoder.h
17  * Header file for the RunLengthEncoder class
18  * Copyright (C) 2005-2009 Simon Newton
19  */
20 
27 #ifndef INCLUDE_OLA_DMX_RUNLENGTHENCODER_H_
28 #define INCLUDE_OLA_DMX_RUNLENGTHENCODER_H_
29 
30 #include <ola/DmxBuffer.h>
31 
32 namespace ola {
33 namespace dmx {
34 
40  public :
41  RunLengthEncoder() {}
42  ~RunLengthEncoder() {}
43 
52  bool Encode(const DmxBuffer &src,
53  uint8_t *data,
54  unsigned int &size);
55 
64  bool Decode(unsigned int start_channel,
65  const uint8_t *data,
66  unsigned int length,
67  DmxBuffer *output);
68 
69  private:
70  static const uint8_t REPEAT_FLAG = 0x80;
71 };
72 } // namespace dmx
73 } // namespace ola
74 #endif // INCLUDE_OLA_DMX_RUNLENGTHENCODER_H_