61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* RunLengthEncoder.cpp
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* The Run Length Encoder
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* Copyright (C) 2005-2009 Simon Newton
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*/
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#include <ola/BaseTypes.h>
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#include "plugins/espnet/RunLengthDecoder.h"
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namespace ola {
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namespace plugin {
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namespace espnet {
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/*
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* Decode the RLE'ed data into a DmxBuffer.
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* @param dst the DmxBuffer to store the result
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* @param src_data the data to decode
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* @param length the length of the data to decode
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*/
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void RunLengthDecoder::Decode(DmxBuffer *dst,
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const uint8_t *src_data,
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unsigned int length) {
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dst->Reset();
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unsigned int i = 0;
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const uint8_t *value = src_data;
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uint8_t count;
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while (i < DMX_UNIVERSE_SIZE && value < src_data + length) {
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switch (*value) {
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case REPEAT_VALUE:
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value++;
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count = *(value++);
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dst->SetRangeToValue(i, *value, count);
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i+= count;
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break;
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case ESCAPE_VALUE:
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value++;
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default:
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dst->SetChannel(i, *value);
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i++;
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}
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value++;
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}
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}
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} // espnet
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} // plugin
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} // ola
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