mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-08-30 09:46:34 -04:00
191 lines
7.1 KiB
C++
191 lines
7.1 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/dspengine.h"
|
|
#include "dsp/dspcommands.h"
|
|
#include "dsp/downsamplechannelizer.h"
|
|
|
|
#include "bfmdemodreport.h"
|
|
#include "bfmdemodbaseband.h"
|
|
|
|
MESSAGE_CLASS_DEFINITION(BFMDemodBaseband::MsgConfigureBFMDemodBaseband, Message)
|
|
|
|
BFMDemodBaseband::BFMDemodBaseband() :
|
|
m_mutex(QMutex::Recursive)
|
|
{
|
|
m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(48000));
|
|
m_channelizer = new DownSampleChannelizer(&m_sink);
|
|
|
|
qDebug("BFMDemodBaseband::BFMDemodBaseband");
|
|
QObject::connect(
|
|
&m_sampleFifo,
|
|
&SampleSinkFifo::dataReady,
|
|
this,
|
|
&BFMDemodBaseband::handleData,
|
|
Qt::QueuedConnection
|
|
);
|
|
|
|
DSPEngine::instance()->getAudioDeviceManager()->addAudioSink(m_sink.getAudioFifo(), getInputMessageQueue());
|
|
m_sink.applyAudioSampleRate(DSPEngine::instance()->getAudioDeviceManager()->getOutputSampleRate());
|
|
|
|
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
|
|
}
|
|
|
|
BFMDemodBaseband::~BFMDemodBaseband()
|
|
{
|
|
DSPEngine::instance()->getAudioDeviceManager()->removeAudioSink(m_sink.getAudioFifo());
|
|
delete m_channelizer;
|
|
}
|
|
|
|
void BFMDemodBaseband::reset()
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
m_sampleFifo.reset();
|
|
}
|
|
|
|
void BFMDemodBaseband::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end)
|
|
{
|
|
m_sampleFifo.write(begin, end);
|
|
}
|
|
|
|
void BFMDemodBaseband::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) {
|
|
m_channelizer->feed(part1begin, part1end);
|
|
}
|
|
|
|
// second part of FIFO data (used when block wraps around)
|
|
if(part2begin != part2end) {
|
|
m_channelizer->feed(part2begin, part2end);
|
|
}
|
|
|
|
m_sampleFifo.readCommit((unsigned int) count);
|
|
}
|
|
}
|
|
|
|
void BFMDemodBaseband::handleInputMessages()
|
|
{
|
|
Message* message;
|
|
|
|
while ((message = m_inputMessageQueue.pop()) != nullptr)
|
|
{
|
|
if (handleMessage(*message)) {
|
|
delete message;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool BFMDemodBaseband::handleMessage(const Message& cmd)
|
|
{
|
|
if (MsgConfigureBFMDemodBaseband::match(cmd))
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
MsgConfigureBFMDemodBaseband& cfg = (MsgConfigureBFMDemodBaseband&) cmd;
|
|
qDebug() << "BFMDemodBaseband::handleMessage: MsgConfigureBFMDemodBaseband";
|
|
|
|
applySettings(cfg.getSettings(), cfg.getForce());
|
|
|
|
return true;
|
|
}
|
|
else if (DSPSignalNotification::match(cmd))
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
|
|
qDebug() << "BFMDemodBaseband::handleMessage: DSPSignalNotification: basebandSampleRate: " << notif.getSampleRate();
|
|
m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(notif.getSampleRate()));
|
|
m_channelizer->setBasebandSampleRate(notif.getSampleRate());
|
|
m_sink.applyChannelSettings(m_channelizer->getChannelSampleRate(), m_channelizer->getChannelFrequencyOffset());
|
|
|
|
if (getMessageQueueToGUI())
|
|
{
|
|
BFMDemodReport::MsgReportChannelSampleRateChanged *msg = BFMDemodReport::MsgReportChannelSampleRateChanged::create(m_channelizer->getChannelSampleRate());
|
|
getMessageQueueToGUI()->push(msg);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void BFMDemodBaseband::applySettings(const BFMDemodSettings& settings, bool force)
|
|
{
|
|
if ((settings.m_rfBandwidth != m_settings.m_rfBandwidth)
|
|
|| (settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) || force)
|
|
{
|
|
m_channelizer->setChannelization(BFMDemodSettings::requiredBW(settings.m_rfBandwidth), settings.m_inputFrequencyOffset);
|
|
m_sink.applyChannelSettings(m_channelizer->getChannelSampleRate(), m_channelizer->getChannelFrequencyOffset());
|
|
|
|
if (getMessageQueueToGUI())
|
|
{
|
|
BFMDemodReport::MsgReportChannelSampleRateChanged *msg = BFMDemodReport::MsgReportChannelSampleRateChanged::create(m_channelizer->getChannelSampleRate());
|
|
getMessageQueueToGUI()->push(msg);
|
|
}
|
|
}
|
|
|
|
if ((settings.m_audioDeviceName != m_settings.m_audioDeviceName) || force)
|
|
{
|
|
AudioDeviceManager *audioDeviceManager = DSPEngine::instance()->getAudioDeviceManager();
|
|
int audioDeviceIndex = audioDeviceManager->getOutputDeviceIndex(settings.m_audioDeviceName);
|
|
//qDebug("AMDemod::applySettings: audioDeviceName: %s audioDeviceIndex: %d", qPrintable(settings.m_audioDeviceName), audioDeviceIndex);
|
|
audioDeviceManager->addAudioSink(m_sink.getAudioFifo(), getInputMessageQueue(), audioDeviceIndex);
|
|
uint32_t audioSampleRate = audioDeviceManager->getOutputSampleRate(audioDeviceIndex);
|
|
|
|
if (m_sink.getAudioSampleRate() != audioSampleRate) {
|
|
m_sink.applyAudioSampleRate(audioSampleRate);
|
|
}
|
|
}
|
|
|
|
m_sink.applySettings(settings, force);
|
|
|
|
m_settings = settings;
|
|
}
|
|
|
|
int BFMDemodBaseband::getChannelSampleRate() const
|
|
{
|
|
return m_channelizer->getChannelSampleRate();
|
|
}
|
|
|
|
|
|
void BFMDemodBaseband::setBasebandSampleRate(int sampleRate)
|
|
{
|
|
m_channelizer->setBasebandSampleRate(sampleRate);
|
|
m_sink.applyChannelSettings(m_channelizer->getChannelSampleRate(), m_channelizer->getChannelFrequencyOffset());
|
|
|
|
if (getMessageQueueToGUI())
|
|
{
|
|
BFMDemodReport::MsgReportChannelSampleRateChanged *msg = BFMDemodReport::MsgReportChannelSampleRateChanged::create(m_channelizer->getChannelSampleRate());
|
|
getMessageQueueToGUI()->push(msg);
|
|
}
|
|
}
|