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author | Matthias (think) <matthias@mpb.li> | 2012-07-11 11:49:12 +0200 |
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committer | Matthias (think) <matthias@mpb.li> | 2012-07-11 11:49:12 +0200 |
commit | e92f9c408634810828e75d4ad6da408e1c142195 (patch) | |
tree | d4e622617f58a70ed3dd2e57418f73f412e7193b /src/BlockPartitioner.cpp | |
download | dabmod-e92f9c408634810828e75d4ad6da408e1c142195.tar.gz dabmod-e92f9c408634810828e75d4ad6da408e1c142195.tar.bz2 dabmod-e92f9c408634810828e75d4ad6da408e1c142195.zip |
added unmodified mmbtools
Diffstat (limited to 'src/BlockPartitioner.cpp')
-rw-r--r-- | src/BlockPartitioner.cpp | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/src/BlockPartitioner.cpp b/src/BlockPartitioner.cpp new file mode 100644 index 0000000..bb16ae2 --- /dev/null +++ b/src/BlockPartitioner.cpp @@ -0,0 +1,139 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty + the Queen in Right of Canada (Communications Research Center Canada) + */ +/* + This file is part of CRC-DADMOD. + + CRC-DADMOD 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 3 of the + License, or (at your option) any later version. + + CRC-DADMOD 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 CRC-DADMOD. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "BlockPartitioner.h" +#include "PcDebug.h" + +#include <stdio.h> +#include <stdexcept> +#include <string.h> +#include <stdint.h> +#include <assert.h> + + +BlockPartitioner::BlockPartitioner(unsigned mode, unsigned fct) : + ModMux(ModFormat(0), ModFormat(0)), + d_mode(mode) +{ + PDEBUG("BlockPartitioner::BlockPartitioner(%i)\n", mode); + + switch (mode) { + case 1: + d_ficSize = 2304 / 8; + d_cifCount = 4; + d_outputFramesize = 3072 / 8; + d_outputFramecount = 72; + break; + case 2: + d_ficSize = 2304 / 8; + d_cifCount = 1; + d_outputFramesize = 768 / 8; + d_outputFramecount = 72; + break; + case 3: + d_ficSize = 3072 / 8; + d_cifCount = 1; + d_outputFramesize = 384 / 8; + d_outputFramecount = 144; + break; + case 4: + d_ficSize = 2304 / 8; + d_cifCount = 2; + d_outputFramesize = 1536 / 8; + d_outputFramecount = 72; + break; + default: + throw std::runtime_error( + "BlockPartitioner::BlockPartitioner invalid mode"); + break; + } + d_cifNb = 0; + // For Synchronisation purpose, count nb of CIF to drop + d_cifInit = fct % d_cifCount; + d_cifSize = 864 * 8; + + myInputFormat.size(d_cifSize); + myOutputFormat.size(d_cifSize * d_cifCount); +} + + +BlockPartitioner::~BlockPartitioner() +{ + PDEBUG("BlockPartitioner::~BlockPartitioner()\n"); + +} + + +// dataIn[0] -> FIC +// dataIn[1] -> CIF +int BlockPartitioner::process(std::vector<Buffer*> dataIn, Buffer* dataOut) +{ + assert(dataIn.size() == 2); + dataOut->setLength(d_cifCount * (d_ficSize + d_cifSize)); + +#ifdef DEBUG + fprintf(stderr, "BlockPartitioner::process(dataIn:"); + for (unsigned i = 0; i < dataIn.size(); ++i) { + fprintf(stderr, " %p", dataIn[i]); + } + fprintf(stderr, ", sizeIn:"); + for (unsigned i = 0; i < dataIn.size(); ++i) { + fprintf(stderr, " %zu", dataIn[i]->getLength()); + } + fprintf(stderr, ", dataOut: %p, sizeOut: %zu)\n", dataOut, dataOut->getLength()); +#endif + + if (dataIn[0]->getLength() != d_ficSize) { + throw std::runtime_error( + "BlockPartitioner::process input size not valid!"); + } + if (dataIn[1]->getLength() != d_cifSize) { + throw std::runtime_error( + "BlockPartitioner::process input size not valid!"); + } + + // Synchronize first CIF + if (d_cifInit != 0) { + if (++d_cifInit == d_cifCount) { + d_cifInit = 0; + } + // Drop CIF + return 0; + } + + uint8_t* fic = reinterpret_cast<uint8_t*>(dataIn[0]->getData()); + uint8_t* cif = reinterpret_cast<uint8_t*>(dataIn[1]->getData()); + uint8_t* out = reinterpret_cast<uint8_t*>(dataOut->getData()); + + // Copy FIC data + PDEBUG("Writting FIC %zu bytes to %zu\n", d_ficSize, d_cifNb * d_ficSize); + memcpy(out + (d_cifNb * d_ficSize), fic, d_ficSize); + // Copy CIF data + PDEBUG("Writting CIF %u bytes to %zu\n", 864 * 8, + (d_cifCount * d_ficSize) + (d_cifNb * 864 * 8)); + memcpy(out + (d_cifCount * d_ficSize) + (d_cifNb * 864 * 8), cif, 864 * 8); + + if (++d_cifNb == d_cifCount) { + d_cifNb = 0; + } + + return d_cifNb == 0; +} |