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sdrangel/plugins/channelrx/localsink/localsinksink.cpp

125 lines
3.6 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// 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 <QDebug>
#include <boost/crc.hpp>
#include <boost/cstdint.hpp>
#include "dsp/devicesamplesource.h"
#include "dsp/hbfilterchainconverter.h"
#include "localsinkworker.h"
#include "localsinksink.h"
LocalSinkSink::LocalSinkSink() :
m_sinkWorker(nullptr),
m_running(false),
m_centerFrequency(0),
m_frequencyOffset(0),
m_sampleRate(48000),
m_deviceSampleRate(48000)
{
m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(4000000));
applySettings(m_settings, true);
}
LocalSinkSink::~LocalSinkSink()
{
}
void LocalSinkSink::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end)
{
m_sampleFifo.write(begin, end);
}
void LocalSinkSink::start(DeviceSampleSource *deviceSource)
{
qDebug("LocalSinkSink::start");
if (m_running) {
stop();
}
m_sinkWorker = new LocalSinkWorker();
m_sinkWorker->moveToThread(&m_sinkWorkerThread);
m_sinkWorker->setSampleFifo(&m_sampleFifo);
if (deviceSource) {
m_sinkWorker->setDeviceSampleFifo(deviceSource->getSampleFifo());
}
QObject::connect(
&m_sampleFifo,
&SampleSinkFifo::dataReady,
m_sinkWorker,
&LocalSinkWorker::handleData,
Qt::QueuedConnection
);
startWorker();
m_running = true;
}
void LocalSinkSink::stop()
{
qDebug("LocalSinkSink::stop");
QObject::disconnect(
&m_sampleFifo,
&SampleSinkFifo::dataReady,
m_sinkWorker,
&LocalSinkWorker::handleData
);
if (m_sinkWorker != 0)
{
stopWorker();
m_sinkWorker->deleteLater();
m_sinkWorker = nullptr;
}
m_running = false;
}
void LocalSinkSink::startWorker()
{
m_sinkWorker->startStop(true);
m_sinkWorkerThread.start();
}
void LocalSinkSink::stopWorker()
{
m_sinkWorker->startStop(false);
m_sinkWorkerThread.quit();
m_sinkWorkerThread.wait();
}
void LocalSinkSink::applySettings(const LocalSinkSettings& settings, bool force)
{
qDebug() << "LocalSinkSink::applySettings:"
<< " m_localDeviceIndex: " << settings.m_localDeviceIndex
<< " m_streamIndex: " << settings.m_streamIndex
<< " force: " << force;
m_settings = settings;
}
void LocalSinkSink::setSampleRate(int sampleRate)
{
m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(sampleRate));
}