/usr/include/ola/dmx/RunLengthEncoder.h is in libola-dev 0.10.3.nojsmin-2+deb9u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | /*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* RunLengthEncoder.h
* Header file for the RunLengthEncoder class
* Copyright (C) 2005 Simon Newton
*/
/**
* @file RunLengthEncoder.h
* @brief Encode / Decode DMX data using [Run Length
* Encoding](http://en.wikipedia.org/wiki/Run-length_encoding)
*/
#ifndef INCLUDE_OLA_DMX_RUNLENGTHENCODER_H_
#define INCLUDE_OLA_DMX_RUNLENGTHENCODER_H_
#include <ola/DmxBuffer.h>
namespace ola {
namespace dmx {
/**
* @brief Encode / Decode DMX data using [Run Length
* Encoding](http://en.wikipedia.org/wiki/Run-length_encoding)
*/
class RunLengthEncoder {
public :
RunLengthEncoder() {}
~RunLengthEncoder() {}
/**
* Given a DMXBuffer, run length encode the data.
* @param[in] src the DmxBuffer to encode.
* @param[out] data where to store the RLE data
* @param[in,out] size the size of the data segment, set to the amount of
* data encoded.
* @return true if we encoded all data, false if we ran out of space
*/
bool Encode(const DmxBuffer &src,
uint8_t *data,
unsigned int *size);
/**
* Decode an DMX frame and place the output in a DmxBuffer
* @param[in] start_channel the first channel for the RLE'ed data
* @param[in] data the encoded frame.
* @param[in] length the length of the encoded frame.
* @param[out] output the DmxBuffer to store the frame in
* @returns true if decoding was successful, false otherwise.
*/
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_
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