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authorMatthias P. Braendli <matthias.braendli@mpb.li>2019-08-21 10:11:35 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2019-08-21 10:11:35 +0200
commit86ea8cd8b8b5af7917db28ae30cfb2d2886868fe (patch)
tree7222d8e077dd2155eecac68b8c78330bcfe5dc80 /src/ReedSolomon.cpp
parent86fbf91f7323a2c5626a357b8414b15e20c19c9e (diff)
parent5ee85c4ac41337e383eb1a735bc05f1e5d46a98f (diff)
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Merge branch 'ediInput' into next
Diffstat (limited to 'src/ReedSolomon.cpp')
-rw-r--r--src/ReedSolomon.cpp116
1 files changed, 0 insertions, 116 deletions
diff --git a/src/ReedSolomon.cpp b/src/ReedSolomon.cpp
deleted file mode 100644
index 38d8ea8..0000000
--- a/src/ReedSolomon.cpp
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- Copyright (C) 2005, 2006, 2007, 2008, 2009 Her Majesty the Queen in Right
- of Canada (Communications Research Center Canada)
-
- Copyright (C) 2016
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://www.opendigitalradio.org
- */
-/*
- This file is part of ODR-DabMux.
-
- ODR-DabMux 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.
-
- ODR-DabMux 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 ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "ReedSolomon.h"
-#include <vector>
-#include <algorithm>
-#include <stdexcept>
-#include <sstream>
-#include <stdio.h> // For galois.h ...
-#include <string.h> // For memcpy
-
-extern "C" {
-#include "fec/fec.h"
-}
-#include <assert.h>
-
-#define SYMSIZE 8
-
-
-ReedSolomon::ReedSolomon(int N, int K, bool reverse, int gfpoly, int firstRoot, int primElem)
-{
- setReverse(reverse);
-
- m_N = N;
- m_K = K;
-
- const int symsize = SYMSIZE;
- const int nroots = N - K; // For EDI PFT, this must be 48
- const int pad = ((1 << symsize) - 1) - N; // is 255-N
-
- rsData = init_rs_char(symsize, gfpoly, firstRoot, primElem, nroots, pad);
-
- if (rsData == nullptr) {
- std::stringstream ss;
- ss << "Invalid Reed-Solomon parameters! " <<
- "N=" << N << " ; K=" << K << " ; pad=" << pad;
- throw std::invalid_argument(ss.str());
- }
-}
-
-
-ReedSolomon::~ReedSolomon()
-{
- free_rs_char(rsData);
-}
-
-
-void ReedSolomon::setReverse(bool state)
-{
- reverse = state;
-}
-
-
-int ReedSolomon::encode(void* data, void* fec, size_t size)
-{
- uint8_t* input = reinterpret_cast<uint8_t*>(data);
- uint8_t* output = reinterpret_cast<uint8_t*>(fec);
- int ret = 0;
-
- if (reverse) {
- std::vector<uint8_t> buffer(m_N);
-
- memcpy(&buffer[0], input, m_K);
- memcpy(&buffer[m_K], output, m_N - m_K);
-
- ret = decode_rs_char(rsData, &buffer[0], nullptr, 0);
- if ((ret != 0) && (ret != -1)) {
- memcpy(input, &buffer[0], m_K);
- memcpy(output, &buffer[m_K], m_N - m_K);
- }
- }
- else {
- encode_rs_char(rsData, input, output);
- }
-
- return ret;
-}
-
-
-int ReedSolomon::encode(void* data, size_t size)
-{
- uint8_t* input = reinterpret_cast<uint8_t*>(data);
- int ret = 0;
-
- if (reverse) {
- ret = decode_rs_char(rsData, input, nullptr, 0);
- }
- else {
- encode_rs_char(rsData, input, &input[m_K]);
- }
-
- return ret;
-}