kopia lustrzana https://github.com/f4exb/sdrangel
102 wiersze
3.9 KiB
C++
102 wiersze
3.9 KiB
C++
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2016 F4EXB //
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// written by Edouard Griffiths //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QDebug>
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#include <QThread>
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#include "dsp/threadedbasebandsamplesource.h"
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ThreadedBasebandSampleSourceFifo::ThreadedBasebandSampleSourceFifo(BasebandSampleSource* sampleSource) :
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m_sampleSource(sampleSource),
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m_sampleSourceFifo(1<<19, 1<<17)
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{
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m_samplesChunkSize = m_sampleSourceFifo.getChunkSize();
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connect(&m_sampleSourceFifo, SIGNAL(dataWrite()), this, SLOT(handleFifoData()));
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}
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ThreadedBasebandSampleSourceFifo::~ThreadedBasebandSampleSourceFifo()
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{
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}
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void ThreadedBasebandSampleSourceFifo::readFromFifo(SampleVector::iterator& beginRead, unsigned int nbSamples)
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{
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m_sampleSourceFifo.read(beginRead, nbSamples);
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}
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void ThreadedBasebandSampleSourceFifo::handleFifoData()
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{
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for (int i = 0; i < m_samplesChunkSize; i++)
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{
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SampleVector::iterator sampleIt;
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m_sampleSourceFifo.getWriteIterator(sampleIt);
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m_sampleSource->pull(*sampleIt);
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m_sampleSourceFifo.bumpIndex();
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}
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}
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ThreadedBasebandSampleSource::ThreadedBasebandSampleSource(BasebandSampleSource* sampleSource, QObject *parent) :
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m_basebandSampleSource(sampleSource)
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{
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QString name = "ThreadedBasebandSampleSource(" + m_basebandSampleSource->objectName() + ")";
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setObjectName(name);
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qDebug() << "ThreadedBasebandSampleSource::ThreadedBasebandSampleSource: " << name;
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m_thread = new QThread(parent);
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m_threadedBasebandSampleSourceFifo = new ThreadedBasebandSampleSourceFifo(m_basebandSampleSource);
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m_basebandSampleSource->moveToThread(m_thread);
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m_threadedBasebandSampleSourceFifo->moveToThread(m_thread);
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qDebug() << "ThreadedBasebandSampleSource::ThreadedBasebandSampleSource: thread: " << thread() << " m_thread: " << m_thread;
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}
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ThreadedBasebandSampleSource::~ThreadedBasebandSampleSource()
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{
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delete m_threadedBasebandSampleSourceFifo;
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delete m_thread;
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}
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void ThreadedBasebandSampleSource::start()
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{
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qDebug() << "ThreadedBasebandSampleSource::start";
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m_thread->start();
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m_basebandSampleSource->start();
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}
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void ThreadedBasebandSampleSource::stop()
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{
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qDebug() << "ThreadedBasebandSampleSource::stop";
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m_basebandSampleSource->stop();
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m_thread->exit();
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m_thread->wait();
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}
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void ThreadedBasebandSampleSource::pull(SampleVector::iterator& beginRead, unsigned int nbSamples)
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{
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m_threadedBasebandSampleSourceFifo->readFromFifo(beginRead, nbSamples);
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}
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bool ThreadedBasebandSampleSource::handleSourceMessage(const Message& cmd)
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{
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return m_basebandSampleSource->handleMessage(cmd);
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}
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QString ThreadedBasebandSampleSource::getSampleSourceObjectName() const
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{
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return m_basebandSampleSource->objectName();
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}
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