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author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2016-10-30 15:29:31 +0100 |
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committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2016-10-30 15:29:31 +0100 |
commit | 128768f7fd719eb455a946a0f716d7128b4ded63 (patch) | |
tree | dfa03ccfed3f175182b04fd84bd59aacd623ac54 /src/dabInputPrbs.cpp | |
parent | 555121f96e769fdeb9529e7381560d8bbb6e2713 (diff) | |
download | dabmux-128768f7fd719eb455a946a0f716d7128b4ded63.tar.gz dabmux-128768f7fd719eb455a946a0f716d7128b4ded63.tar.bz2 dabmux-128768f7fd719eb455a946a0f716d7128b4ded63.zip |
Start reworking inputs, break all but Prbs and ZMQ
Diffstat (limited to 'src/dabInputPrbs.cpp')
-rw-r--r-- | src/dabInputPrbs.cpp | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/src/dabInputPrbs.cpp b/src/dabInputPrbs.cpp deleted file mode 100644 index 2678668..0000000 --- a/src/dabInputPrbs.cpp +++ /dev/null @@ -1,98 +0,0 @@ -/* - Copyright (C) 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 - - Pseudo-Random Bit Sequence generator for test purposes. - */ -/* - 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 "dabInputPrbs.h" - -#include <stdexcept> -#include <sstream> -#include <string.h> -#include <limits.h> -#include <stdlib.h> -#include <errno.h> -#include "utils.h" - -using namespace std; - -// ETS 300 799 Clause G.2.1 -// Preferred polynomial is G(x) = x^20 + x^17 + 1 -const uint32_t PRBS_DEFAULT_POLY = (1 << 19) | (1 << 16) | 1; - -int DabInputPrbs::open(const string& name) -{ - if (name.empty()) { - m_prbs.setup(PRBS_DEFAULT_POLY); - } - else { - if (name[0] != ':') { - throw invalid_argument( - "Invalid PRBS address format. " - "Must be prbs://:polynomial."); - } - - const string poly_str = name.substr(1); - - long polynomial = hexparse(poly_str); - - if (polynomial == 0) { - throw invalid_argument("No polynomial given for PRBS input"); - } - - m_prbs.setup(polynomial); - } - rewind(); - - return 0; -} - -int DabInputPrbs::readFrame(void* buffer, int size) -{ - unsigned char* cbuffer = reinterpret_cast<unsigned char*>(buffer); - - for (int i = 0; i < size; ++i) { - cbuffer[i] = m_prbs.step(); - } - - return size; -} - -int DabInputPrbs::setBitrate(int bitrate) -{ - return bitrate; -} - -int DabInputPrbs::close() -{ - return 0; -} - -int DabInputPrbs::rewind() -{ - m_prbs.rewind(); - return 0; -} - |