sdrangel/plugins/channeltx/remotesource/remotesourcebaseband.cpp

187 wiersze
6.0 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 "dsp/upchannelizer.h"
#include "dsp/dspengine.h"
#include "dsp/dspcommands.h"
#include "remotesourcebaseband.h"
MESSAGE_CLASS_DEFINITION(RemoteSourceBaseband::MsgConfigureRemoteSourceBaseband, Message)
MESSAGE_CLASS_DEFINITION(RemoteSourceBaseband::MsgConfigureRemoteSourceWork, Message)
RemoteSourceBaseband::RemoteSourceBaseband() :
m_mutex(QMutex::Recursive)
{
m_sampleFifo.resize(SampleSourceFifo::getSizePolicy(48000));
m_channelizer = new UpChannelizer(&m_source);
qDebug("RemoteSourceBaseband::RemoteSourceBaseband");
QObject::connect(
&m_sampleFifo,
&SampleSourceFifo::dataRead,
this,
&RemoteSourceBaseband::handleData,
Qt::QueuedConnection
);
connect(&m_source, SIGNAL(newChannelSampleRate(unsigned int)), this, SLOT(newChannelSampleRate(unsigned int)));
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
}
RemoteSourceBaseband::~RemoteSourceBaseband()
{
delete m_channelizer;
}
void RemoteSourceBaseband::reset()
{
QMutexLocker mutexLocker(&m_mutex);
m_sampleFifo.reset();
}
void RemoteSourceBaseband::pull(const SampleVector::iterator& begin, unsigned int nbSamples)
{
//qDebug("RemoteSourceBaseband::pull: %u", nbSamples);
unsigned int part1Begin, part1End, part2Begin, part2End;
m_sampleFifo.read(nbSamples, part1Begin, part1End, part2Begin, part2End);
SampleVector& data = m_sampleFifo.getData();
if (part1Begin != part1End)
{
std::copy(
data.begin() + part1Begin,
data.begin() + part1End,
begin
);
}
unsigned int shift = part1End - part1Begin;
if (part2Begin != part2End)
{
std::copy(
data.begin() + part2Begin,
data.begin() + part2End,
begin + shift
);
}
}
void RemoteSourceBaseband::handleData()
{
QMutexLocker mutexLocker(&m_mutex);
SampleVector& data = m_sampleFifo.getData();
unsigned int ipart1begin;
unsigned int ipart1end;
unsigned int ipart2begin;
unsigned int ipart2end;
unsigned int remainder = m_sampleFifo.remainder();
while ((remainder > 0) && (m_inputMessageQueue.size() == 0))
{
m_sampleFifo.write(remainder, ipart1begin, ipart1end, ipart2begin, ipart2end);
if (ipart1begin != ipart1end) { // first part of FIFO data
processFifo(data, ipart1begin, ipart1end);
}
if (ipart2begin != ipart2end) { // second part of FIFO data (used when block wraps around)
processFifo(data, ipart2begin, ipart2end);
}
remainder = m_sampleFifo.remainder();
}
}
void RemoteSourceBaseband::processFifo(SampleVector& data, unsigned int iBegin, unsigned int iEnd)
{
m_channelizer->prefetch(iEnd - iBegin);
m_channelizer->pull(data.begin() + iBegin, iEnd - iBegin);
}
void RemoteSourceBaseband::handleInputMessages()
{
Message* message;
while ((message = m_inputMessageQueue.pop()) != nullptr)
{
if (handleMessage(*message)) {
delete message;
}
}
}
bool RemoteSourceBaseband::handleMessage(const Message& cmd)
{
if (MsgConfigureRemoteSourceBaseband::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
MsgConfigureRemoteSourceBaseband& cfg = (MsgConfigureRemoteSourceBaseband&) cmd;
qDebug() << "RemoteSourceBaseband::handleMessage: MsgConfigureRemoteSourceBaseband";
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else if (MsgConfigureRemoteSourceWork::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
MsgConfigureRemoteSourceWork& conf = (MsgConfigureRemoteSourceWork&) cmd;
qDebug() << "RemoteSourceBaseband::handleMessage: MsgConfigureRemoteSourceWork: " << conf.isWorking();
if (conf.isWorking()) {
m_source.start();
} else {
m_source.stop();
}
return true;
}
else
{
return false;
}
}
void RemoteSourceBaseband::applySettings(const RemoteSourceSettings& settings, bool force)
{
qDebug() << "RemoteSourceBaseband::applySettings:"
<< " m_dataAddress: " << settings.m_dataAddress
<< " m_dataPort: " << settings.m_dataPort
<< " force: " << force;
if ((settings.m_dataAddress != m_settings.m_dataAddress)
|| (settings.m_dataPort != m_settings.m_dataPort) || force) {
m_source.dataBind(settings.m_dataAddress, settings.m_dataPort);
}
m_settings = settings;
}
int RemoteSourceBaseband::getChannelSampleRate() const
{
return m_channelizer->getChannelSampleRate();
}
void RemoteSourceBaseband::newRemoteSampleRate(unsigned int sampleRate)
{
m_channelizer->setChannelization(sampleRate, 0); // Adjust channelizer to match remote sample rate
}