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sdrangel/plugins/channelrx/demoddatv/ldpctool/ldpcworker.h

95 lines
3.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2022 Jon Beniston, M7RCE <jon@beniston.com> //
// //
// This program 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 as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program 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 V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QObject>
#include <QByteArray>
#include <QMutex>
#include <QWaitCondition>
#include "testbench.h"
#include "algorithms.h"
#include "ldpc.h"
#include "layered_decoder.h"
class LDPCWorker : public QObject {
Q_OBJECT
public:
LDPCWorker(int modcod, int maxTrials, int batchSize, bool shortFrames);
~LDPCWorker();
// Are we busy
bool busy()
{
QMutexLocker locker(&m_mutexIn);
return m_dataIn.size() >= BLOCKS;
}
// Is processed data available?
bool dataAvailable()
{
QMutexLocker locker(&m_mutexOut);
return !m_dataOut.isEmpty();
}
// Get processed data
QByteArray data()
{
m_mutexOut.lock();
if (m_dataOut.isEmpty()) {
m_condOut.wait(&m_mutexOut);
}
QByteArray data = m_dataOut.takeAt(0);
m_mutexOut.unlock();
return data;
}
public slots:
void process(QByteArray data);
signals:
void finished();
private:
QMutex m_mutexIn;
QMutex m_mutexOut;
QWaitCondition m_condOut;
QList<QByteArray> m_dataIn;
QList<QByteArray> m_dataOut;
int m_maxTrials;
int BLOCKS;
int m_codeLen;
int m_dataLen;
void *m_aligned_buffer;
ldpctool::LDPCInterface *m_ldpc;
ldpctool::code_type *m_code;
ldpctool::simd_type *m_simd;
typedef ldpctool::NormalUpdate<ldpctool::simd_type> update_type;
//typedef SelfCorrectedUpdate<simd_type> update_type;
//typedef MinSumAlgorithm<simd_type, update_type> algorithm_type;
//typedef OffsetMinSumAlgorithm<simd_type, update_type, FACTOR> algorithm_type;
typedef ldpctool::MinSumCAlgorithm<ldpctool::simd_type, update_type, ldpctool::FACTOR> algorithm_type;
//typedef LogDomainSPA<simd_type, update_type> algorithm_type;
//typedef LambdaMinAlgorithm<simd_type, update_type, 3> algorithm_type;
//typedef SumProductAlgorithm<simd_type, update_type> algorithm_type;
ldpctool::LDPCDecoder<ldpctool::simd_type, algorithm_type> m_decode;
};