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sdrangel/plugins/channelrx/localsink/localsinksink.cpp
2019-12-09 13:44:12 +01:00

100 lines
3.2 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 "localsinkthread.h"
#include "localsinksink.h"
LocalSinkSink::LocalSinkSink() :
m_sinkThread(nullptr),
m_running(false),
m_centerFrequency(0),
m_frequencyOffset(0),
m_sampleRate(48000),
m_deviceSampleRate(48000)
{
applySettings(m_settings, true);
}
LocalSinkSink::~LocalSinkSink()
{
}
void LocalSinkSink::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end)
{
emit samplesAvailable((const quint8*) &(*begin), (end-begin)*sizeof(Sample));
}
void LocalSinkSink::start(DeviceSampleSource *deviceSource)
{
qDebug("LocalSinkSink::start");
if (m_running) {
stop();
}
m_sinkThread = new LocalSinkThread();
if (deviceSource) {
m_sinkThread->setSampleFifo(deviceSource->getSampleFifo());
}
connect(this,
SIGNAL(samplesAvailable(const quint8*, uint)),
m_sinkThread,
SLOT(processSamples(const quint8*, uint)),
Qt::QueuedConnection);
m_sinkThread->startStop(true);
m_running = true;
}
void LocalSinkSink::stop()
{
qDebug("LocalSinkSink::stop");
disconnect(this,
SIGNAL(samplesAvailable(const quint8*, uint)),
m_sinkThread,
SLOT(processSamples(const quint8*, uint)));
if (m_sinkThread != 0)
{
m_sinkThread->startStop(false);
m_sinkThread->deleteLater();
m_sinkThread = 0;
}
m_running = false;
}
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;
}