diff options
Diffstat (limited to 'src/PrbsGenerator.cpp')
-rw-r--r-- | src/PrbsGenerator.cpp | 47 |
1 files changed, 30 insertions, 17 deletions
diff --git a/src/PrbsGenerator.cpp b/src/PrbsGenerator.cpp index baec9b7..69d6af4 100644 --- a/src/PrbsGenerator.cpp +++ b/src/PrbsGenerator.cpp @@ -29,7 +29,7 @@ PrbsGenerator::PrbsGenerator(size_t framesize, uint32_t polynomial, uint32_t accum, size_t init) : - ModCodec(), + ModPlugin(), d_framesize(framesize), d_polynomial(polynomial), d_accum(accum), @@ -122,17 +122,28 @@ uint32_t PrbsGenerator::update_prbs() } -int PrbsGenerator::process(Buffer* const dataIn, Buffer* dataOut) +int PrbsGenerator::process( + std::vector<Buffer*> dataIn, + std::vector<Buffer*> dataOut) { - PDEBUG("PrbsGenerator::process(dataIn: %p, dataOut: %p)\n", - dataIn, dataOut); - dataOut->setLength(d_framesize); - unsigned char* out = reinterpret_cast<unsigned char*>(dataOut->getData()); - + PDEBUG("PrbsGenerator::process(dataIn: %zu, dataOut: %zu)\n", + dataIn.size(), dataOut.size()); + if (dataIn.size() > 1) { + throw std::runtime_error("Invalid dataIn size for PrbsGenerator " + + std::to_string(dataIn.size())); + } + if (dataOut.size() != 1) { + throw std::runtime_error("Invalid dataOut size for PrbsGenerator " + + std::to_string(dataOut.size())); + } + dataOut[0]->setLength(d_framesize); + unsigned char* out = reinterpret_cast<unsigned char*>(dataOut[0]->getData()); + // Initialization if (d_accum_init) { d_accum = d_accum_init; - } else { + } + else { d_accum = 0; while (d_accum < d_polynomial) { d_accum <<= 1; @@ -147,28 +158,30 @@ int PrbsGenerator::process(Buffer* const dataIn, Buffer* dataOut) } for (; i < d_framesize; ++i) { - // Writting data d_accum = update_prbs(); if ((d_accum_init == 0xa9) && (i % 188 == 0)) { // DVB energy dispersal out[i] = 0; - } else { + } + else { out[i] = (unsigned char)(d_accum & 0xff); } //PDEBUG("accum: 0x%x\n", d_accum); } - if ((dataIn != NULL) && dataIn->getLength()) { + if (not dataIn.empty()) { PDEBUG(" mixing input\n"); - const unsigned char* in = reinterpret_cast<const unsigned char*>(dataIn->getData()); - if (dataIn->getLength() != dataOut->getLength()) { - PDEBUG("%zu != %zu\n", dataIn->getLength(), dataOut->getLength()); + const unsigned char* in = + reinterpret_cast<const unsigned char*>(dataIn[0]->getData()); + + if (dataIn[0]->getLength() != dataOut[0]->getLength()) { + PDEBUG("%zu != %zu\n", dataIn[0]->getLength(), dataOut[0]->getLength()); throw std::runtime_error("PrbsGenerator::process " "input size is not equal to output size!\n"); } - for (size_t i = 0; i < dataOut->getLength(); ++i) { + for (size_t i = 0; i < dataOut[0]->getLength(); ++i) { out[i] ^= in[i]; } } - - return dataOut->getLength(); + + return dataOut[0]->getLength(); } |