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SDR-DAB_Qt-DAB/includes/backend/backend.h

92 lines
2.4 KiB
C++
Executable File

#
/*
* Copyright (C) 2014 .. 2017
* Jan van Katwijk (J.vanKatwijk@gmail.com)
* Lazy Chair Computing
*
* This file is part of the Qt-DAB.
*
* Qt-DAB 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 2 of the License, or
* (at your option) any later version.
*
* Qt-DAB 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 Qt-DAB; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#
#pragma once
#include <QSemaphore>
#include <vector>
#ifdef __THREADED_BACKEND__
#include <QThread>
#include <atomic>
#endif
#include "ringbuffer.h"
#include <cstdio>
#include "backend-driver.h"
#include "backend-deconvolver.h"
#define NUMBER_SLOTS 25
class RadioInterface;
class logger;
#ifdef __THREADED_BACKEND__
class Backend: public QThread {
#else
class Backend {
#endif
public:
Backend (RadioInterface *mr,
logger *theLogger,
descriptorType *d,
RingBuffer<std::complex<int16_t>> *,
RingBuffer<uint8_t> *,
RingBuffer<uint8_t> *, FILE *, int, uint8_t);
~Backend();
int32_t process (int16_t *, int16_t);
void stopRunning();
//
// we need sometimes to access the key parameters for decoding
int serviceId;
int startAddr;
int Length;
bool shortForm;
int protLevel;
int16_t bitRate;
int16_t subChId;
QString serviceName;
int borf;
FILE *dump;
private:
backendDeconvolver deconvolver;
std::vector<uint8_t> outV;
backendDriver driver;
#ifdef __THREADED_BACKEND__
void run();
atomic<bool> running;
QSemaphore freeSlots;
QSemaphore usedSlots;
std::vector<int16_t> theData [NUMBER_SLOTS];
int16_t nextIn;
int16_t nextOut;
#endif
void processSegment (int16_t *Data);
RadioInterface *radioInterface;
int16_t fragmentSize;
std::vector<std::vector <int16_t>> interleaveData;
std::vector<int16_t> tempX;
int16_t countforInterleaver;
int16_t interleaverIndex;
std::vector<uint8_t> disperseVector;
};