mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-16 13:21:50 -05:00
283 lines
10 KiB
C++
283 lines
10 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
|
|
// Copyright (C) 2020 Jon Beniston, M7RCE //
|
|
// //
|
|
// 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/dspengine.h"
|
|
#include "dsp/dspcommands.h"
|
|
#include "dsp/downchannelizer.h"
|
|
|
|
#include "vordemodbaseband.h"
|
|
#include "vordemodreport.h"
|
|
|
|
MESSAGE_CLASS_DEFINITION(VORDemodBaseband::MsgConfigureVORDemodBaseband, Message)
|
|
|
|
VORDemodBaseband::VORDemodBaseband() :
|
|
m_running(false),
|
|
m_mutex(QMutex::Recursive),
|
|
m_messageQueueToGUI(nullptr),
|
|
m_basebandSampleRate(0)
|
|
{
|
|
qDebug("VORDemodBaseband::VORDemodBaseband");
|
|
|
|
m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(48000));
|
|
|
|
// FIXME: If we remove this audio stops working when this demod is closed
|
|
DSPEngine::instance()->getAudioDeviceManager()->addAudioSink(&m_audioFifoBug, getInputMessageQueue());
|
|
}
|
|
|
|
VORDemodBaseband::~VORDemodBaseband()
|
|
{
|
|
m_inputMessageQueue.clear();
|
|
|
|
for (int i = 0; i < m_sinks.size(); i++)
|
|
{
|
|
DSPEngine::instance()->getAudioDeviceManager()->removeAudioSink(m_sinks[i]->getAudioFifo());
|
|
delete m_sinks[i];
|
|
}
|
|
m_sinks.clear();
|
|
|
|
// FIXME: If we remove this audio stops working when this demod is closed
|
|
DSPEngine::instance()->getAudioDeviceManager()->removeAudioSink(&m_audioFifoBug);
|
|
|
|
for (int i = 0; i < m_channelizers.size(); i++)
|
|
delete m_channelizers[i];
|
|
m_channelizers.clear();
|
|
}
|
|
|
|
void VORDemodBaseband::reset()
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
m_inputMessageQueue.clear();
|
|
m_sampleFifo.reset();
|
|
}
|
|
|
|
void VORDemodBaseband::startWork()
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
QObject::connect(
|
|
&m_sampleFifo,
|
|
&SampleSinkFifo::dataReady,
|
|
this,
|
|
&VORDemodBaseband::handleData,
|
|
Qt::QueuedConnection
|
|
);
|
|
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
|
|
m_running = true;
|
|
}
|
|
|
|
void VORDemodBaseband::stopWork()
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
disconnect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
|
|
QObject::disconnect(
|
|
&m_sampleFifo,
|
|
&SampleSinkFifo::dataReady,
|
|
this,
|
|
&VORDemodBaseband::handleData
|
|
);
|
|
m_running = false;
|
|
}
|
|
|
|
void VORDemodBaseband::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end)
|
|
{
|
|
m_sampleFifo.write(begin, end);
|
|
}
|
|
|
|
void VORDemodBaseband::handleData()
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
|
|
while ((m_sampleFifo.fill() > 0) && (m_inputMessageQueue.size() == 0))
|
|
{
|
|
SampleVector::iterator part1begin;
|
|
SampleVector::iterator part1end;
|
|
SampleVector::iterator part2begin;
|
|
SampleVector::iterator part2end;
|
|
|
|
std::size_t count = m_sampleFifo.readBegin(m_sampleFifo.fill(), &part1begin, &part1end, &part2begin, &part2end);
|
|
|
|
// first part of FIFO data
|
|
if (part1begin != part1end) {
|
|
for (int i = 0; i < m_channelizers.size(); i++)
|
|
m_channelizers[i]->feed(part1begin, part1end);
|
|
}
|
|
|
|
// second part of FIFO data (used when block wraps around)
|
|
if(part2begin != part2end) {
|
|
for (int i = 0; i < m_channelizers.size(); i++)
|
|
m_channelizers[i]->feed(part2begin, part2end);
|
|
}
|
|
|
|
m_sampleFifo.readCommit((unsigned int) count);
|
|
}
|
|
}
|
|
|
|
void VORDemodBaseband::handleInputMessages()
|
|
{
|
|
Message* message;
|
|
|
|
while ((message = m_inputMessageQueue.pop()) != nullptr)
|
|
{
|
|
if (handleMessage(*message)) {
|
|
delete message;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool VORDemodBaseband::handleMessage(const Message& cmd)
|
|
{
|
|
if (MsgConfigureVORDemodBaseband::match(cmd))
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
MsgConfigureVORDemodBaseband& cfg = (MsgConfigureVORDemodBaseband&) cmd;
|
|
qDebug() << "VORDemodBaseband::handleMessage: MsgConfigureVORDemodBaseband";
|
|
|
|
applySettings(cfg.getSettings(), cfg.getForce());
|
|
|
|
return true;
|
|
}
|
|
else if (DSPSignalNotification::match(cmd))
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
|
|
qDebug() << "VORDemodBaseband::handleMessage: DSPSignalNotification: basebandSampleRate: " << notif.getSampleRate() << " centerFrequency: " << notif.getCenterFrequency();
|
|
m_centerFrequency = notif.getCenterFrequency();
|
|
setBasebandSampleRate(notif.getSampleRate());
|
|
m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(m_basebandSampleRate));
|
|
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Calculate offset of VOR center frequency from sample source center frequency
|
|
void VORDemodBaseband::calculateOffset(VORDemodSink *sink)
|
|
{
|
|
int frequencyOffset = sink->m_vorFrequencyHz - m_centerFrequency;
|
|
bool outOfBand = std::abs(frequencyOffset)+VORDEMOD_CHANNEL_BANDWIDTH > (m_basebandSampleRate/2);
|
|
|
|
if (m_messageQueueToGUI != nullptr)
|
|
{
|
|
VORDemodReport::MsgReportFreqOffset *msg = VORDemodReport::MsgReportFreqOffset::create(sink->m_subChannelId, frequencyOffset, outOfBand);
|
|
m_messageQueueToGUI->push(msg);
|
|
}
|
|
|
|
sink->m_frequencyOffset = frequencyOffset;
|
|
sink->m_outOfBand = outOfBand;
|
|
}
|
|
|
|
void VORDemodBaseband::applySettings(const VORDemodSettings& settings, bool force)
|
|
{
|
|
// Remove sub-channels no longer needed
|
|
for (int i = 0; i < m_sinks.size(); i++)
|
|
{
|
|
if (!settings.m_subChannelSettings.contains(m_sinks[i]->m_subChannelId))
|
|
{
|
|
qDebug() << "VORDemodBaseband::applySettings: Removing sink " << m_sinks[i]->m_subChannelId;
|
|
VORDemodSink *sink = m_sinks[i];
|
|
DSPEngine::instance()->getAudioDeviceManager()->removeAudioSink(m_sinks[i]->getAudioFifo());
|
|
m_sinks.removeAt(i);
|
|
delete sink;
|
|
DownChannelizer *channelizer = m_channelizers[i];
|
|
m_channelizers.removeAt(i);
|
|
delete channelizer;
|
|
}
|
|
}
|
|
|
|
// Add new sub channels
|
|
QHash<int, VORDemodSubChannelSettings *>::const_iterator itr = settings.m_subChannelSettings.begin();
|
|
while (itr != settings.m_subChannelSettings.end())
|
|
{
|
|
VORDemodSubChannelSettings *subChannelSettings = itr.value();
|
|
int j;
|
|
for (j = 0; j < m_sinks.size(); j++)
|
|
{
|
|
if (subChannelSettings->m_id == m_sinks[j]->m_subChannelId)
|
|
break;
|
|
}
|
|
if (j == m_sinks.size())
|
|
{
|
|
// Add a sub-channel sink
|
|
qDebug() << "VORDemodBaseband::applySettings: Adding sink " << subChannelSettings->m_id;
|
|
VORDemodSink *sink = new VORDemodSink(settings, subChannelSettings->m_id, m_messageQueueToGUI);
|
|
DownChannelizer *channelizer = new DownChannelizer(sink);
|
|
channelizer->setBasebandSampleRate(m_basebandSampleRate);
|
|
DSPEngine::instance()->getAudioDeviceManager()->addAudioSink(sink->getAudioFifo(), getInputMessageQueue());
|
|
sink->applyAudioSampleRate(DSPEngine::instance()->getAudioDeviceManager()->getOutputSampleRate());
|
|
|
|
m_sinks.append(sink);
|
|
m_channelizers.append(channelizer);
|
|
|
|
calculateOffset(sink);
|
|
|
|
channelizer->setChannelization(VORDEMOD_CHANNEL_SAMPLE_RATE, sink->m_frequencyOffset);
|
|
sink->applyChannelSettings(channelizer->getChannelSampleRate(), channelizer->getChannelFrequencyOffset(), true);
|
|
sink->applyAudioSampleRate(sink->getAudioSampleRate());
|
|
}
|
|
++itr;
|
|
}
|
|
|
|
if (force)
|
|
{
|
|
for (int i = 0; i < m_sinks.size(); i++)
|
|
{
|
|
m_channelizers[i]->setChannelization(VORDEMOD_CHANNEL_SAMPLE_RATE, m_sinks[i]->m_frequencyOffset);
|
|
m_sinks[i]->applyChannelSettings(m_channelizers[i]->getChannelSampleRate(), m_channelizers[i]->getChannelFrequencyOffset());
|
|
m_sinks[i]->applyAudioSampleRate(m_sinks[i]->getAudioSampleRate()); // reapply in case of channel sample rate change
|
|
}
|
|
}
|
|
|
|
if ((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force)
|
|
{
|
|
AudioDeviceManager *audioDeviceManager = DSPEngine::instance()->getAudioDeviceManager();
|
|
int audioDeviceIndex = audioDeviceManager->getOutputDeviceIndex(settings.m_audioDeviceName);
|
|
for (int i = 0; i < m_sinks.size(); i++)
|
|
{
|
|
audioDeviceManager->removeAudioSink(m_sinks[i]->getAudioFifo());
|
|
audioDeviceManager->addAudioSink(m_sinks[i]->getAudioFifo(), getInputMessageQueue(), audioDeviceIndex);
|
|
int audioSampleRate = audioDeviceManager->getOutputSampleRate(audioDeviceIndex);
|
|
|
|
if (m_sinks[i]->getAudioSampleRate() != audioSampleRate)
|
|
{
|
|
m_sinks[i]->applyAudioSampleRate(audioSampleRate);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < m_sinks.size(); i++)
|
|
m_sinks[i]->applySettings(settings, force);
|
|
|
|
m_settings = settings;
|
|
}
|
|
|
|
void VORDemodBaseband::setBasebandSampleRate(int sampleRate)
|
|
{
|
|
m_basebandSampleRate = sampleRate;
|
|
for (int i = 0; i < m_sinks.size(); i++)
|
|
{
|
|
m_channelizers[i]->setBasebandSampleRate(sampleRate);
|
|
calculateOffset(m_sinks[i]);
|
|
m_sinks[i]->applyChannelSettings(m_channelizers[i]->getChannelSampleRate(), m_channelizers[i]->getChannelFrequencyOffset());
|
|
m_sinks[i]->applyAudioSampleRate(m_sinks[i]->getAudioSampleRate()); // reapply in case of channel sample rate change
|
|
}
|
|
}
|