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sdrangel/plugins/channeltx/filesource/filesourcebaseband.cpp
2024-04-11 23:31:34 +02:00

219 lines
7.2 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// Copyright (C) 2022 Jiří Pinkava <jiri.pinkava@rossum.ai> //
// //
// 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/dspcommands.h"
#include "filesourcebaseband.h"
MESSAGE_CLASS_DEFINITION(FileSourceBaseband::MsgConfigureFileSourceBaseband, Message)
MESSAGE_CLASS_DEFINITION(FileSourceBaseband::MsgConfigureFileSourceName, Message)
MESSAGE_CLASS_DEFINITION(FileSourceBaseband::MsgConfigureFileSourceWork, Message)
MESSAGE_CLASS_DEFINITION(FileSourceBaseband::MsgConfigureFileSourceSeek, Message)
FileSourceBaseband::FileSourceBaseband() :
m_avg(0.0),
m_peak(0.0),
m_nbSamples(1)
{
m_sampleFifo.resize(SampleSourceFifo::getSizePolicy(48000));
m_channelizer = new UpChannelizer(&m_source);
qDebug("FileSourceBaseband::FileSourceBaseband");
QObject::connect(
&m_sampleFifo,
&SampleSourceFifo::dataRead,
this,
&FileSourceBaseband::handleData,
Qt::QueuedConnection
);
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
}
FileSourceBaseband::~FileSourceBaseband()
{
delete m_channelizer;
}
void FileSourceBaseband::reset()
{
QMutexLocker mutexLocker(&m_mutex);
m_sampleFifo.reset();
}
void FileSourceBaseband::pull(const SampleVector::iterator& begin, unsigned int 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 FileSourceBaseband::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();
}
m_source.getMagSqLevels(m_avg, m_peak, m_nbSamples);
}
void FileSourceBaseband::processFifo(SampleVector& data, unsigned int iBegin, unsigned int iEnd)
{
m_channelizer->prefetch(iEnd - iBegin);
m_channelizer->pull(data.begin() + iBegin, iEnd - iBegin);
}
void FileSourceBaseband::handleInputMessages()
{
Message* message;
while ((message = m_inputMessageQueue.pop()) != nullptr)
{
if (handleMessage(*message)) {
delete message;
}
}
}
bool FileSourceBaseband::handleMessage(const Message& cmd)
{
if (MsgConfigureFileSourceBaseband::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
MsgConfigureFileSourceBaseband& cfg = (MsgConfigureFileSourceBaseband&) cmd;
qDebug() << "FileSourceBaseband::handleMessage: MsgConfigureFileSourceBaseband";
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else if (DSPSignalNotification::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
qDebug() << "FileSourceBaseband::handleMessage: DSPSignalNotification: basebandSampleRate: " << notif.getSampleRate();
m_sampleFifo.resize(SampleSourceFifo::getSizePolicy(notif.getSampleRate()));
m_channelizer->setBasebandSampleRate(notif.getSampleRate());
return true;
}
else if (MsgConfigureFileSourceName::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
MsgConfigureFileSourceName& conf = (MsgConfigureFileSourceName&) cmd;
qDebug() << "FileSourceBaseband::handleMessage: MsgConfigureFileSourceName: " << conf.getFileName();
m_source.openFileStream(conf.getFileName());
return true;
}
else if (MsgConfigureFileSourceWork::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
MsgConfigureFileSourceWork& conf = (MsgConfigureFileSourceWork&) cmd;
qDebug() << "FileSourceBaseband::handleMessage: MsgConfigureFileSourceWork: " << conf.isWorking();
m_source.setRunning(conf.isWorking());
return true;
}
else if (MsgConfigureFileSourceSeek::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
MsgConfigureFileSourceSeek& conf = (MsgConfigureFileSourceSeek&) cmd;
m_source.seekFileStream(conf.getMillis());
return true;
}
else
{
return false;
}
}
void FileSourceBaseband::applySettings(const FileSourceSettings& settings, bool force)
{
qDebug() << "FileSourceBaseband::applySettings:"
<< "m_fileName:" << settings.m_fileName
<< "m_loop:" << settings.m_loop
<< "m_gainDB:" << settings.m_gainDB
<< "m_log2Interp:" << settings.m_log2Interp
<< "m_filterChainHash:" << settings.m_filterChainHash
<< " force: " << force;
if ((m_settings.m_filterChainHash != settings.m_filterChainHash)
|| (m_settings.m_log2Interp != settings.m_log2Interp) || force)
{
m_channelizer->setInterpolation(settings.m_log2Interp, settings.m_filterChainHash);
}
m_source.applySettings(settings, force);
m_settings = settings;
}
int FileSourceBaseband::getChannelSampleRate() const
{
return m_channelizer->getChannelSampleRate();
}
quint64 FileSourceBaseband::getSamplesCount() const
{
return m_source.getSamplesCount();
}