sdrangel/plugins/samplesource/filesource/filesourceinput.cpp

275 wiersze
7.5 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015 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 //
// //
// 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 <string.h>
#include <errno.h>
#include <QDebug>
#include "util/simpleserializer.h"
#include "dsp/dspcommands.h"
#include "dsp/dspengine.h"
#include "filesourcegui.h"
#include "filesourceinput.h"
#include <dsp/filerecord.h>
#include "filesourcethread.h"
MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSource, Message)
MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSourceName, Message)
MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSourceWork, Message)
MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSourceSeek, Message)
MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSourceStreamTiming, Message)
MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgReportFileSourceAcquisition, Message)
MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgReportFileSourceStreamData, Message)
MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgReportFileSourceStreamTiming, Message)
FileSourceInput::Settings::Settings() :
m_fileName("./test.sdriq")
{
}
void FileSourceInput::Settings::resetToDefaults()
{
m_fileName = "./test.sdriq";
}
QByteArray FileSourceInput::Settings::serialize() const
{
SimpleSerializer s(1);
s.writeString(1, m_fileName);
return s.final();
}
bool FileSourceInput::Settings::deserialize(const QByteArray& data)
{
SimpleDeserializer d(data);
if(!d.isValid()) {
resetToDefaults();
return false;
}
if(d.getVersion() == 1) {
d.readString(1, &m_fileName, "./test.sdriq");
return true;
} else {
resetToDefaults();
return false;
}
}
FileSourceInput::FileSourceInput(const QTimer& masterTimer) :
m_settings(),
m_fileSourceThread(NULL),
m_deviceDescription(),
m_fileName("..."),
m_sampleRate(0),
m_centerFrequency(0),
m_recordLength(0),
m_startingTimeStamp(0),
m_masterTimer(masterTimer)
{
}
FileSourceInput::~FileSourceInput()
{
stop();
}
void FileSourceInput::openFileStream()
{
//stopInput();
if (m_ifstream.is_open()) {
m_ifstream.close();
}
m_ifstream.open(m_fileName.toStdString().c_str(), std::ios::binary | std::ios::ate);
quint64 fileSize = m_ifstream.tellg();
m_ifstream.seekg(0,std::ios_base::beg);
FileRecord::Header header;
FileRecord::readHeader(m_ifstream, header);
m_sampleRate = header.sampleRate;
m_centerFrequency = header.centerFrequency;
m_startingTimeStamp = header.startTimeStamp;
if (fileSize > sizeof(FileRecord::Header)) {
m_recordLength = (fileSize - sizeof(FileRecord::Header)) / (4 * m_sampleRate);
} else {
m_recordLength = 0;
}
qDebug() << "FileSourceInput::openFileStream: " << m_fileName.toStdString().c_str()
<< " fileSize: " << fileSize << "bytes"
<< " length: " << m_recordLength << " seconds";
MsgReportFileSourceStreamData *report = MsgReportFileSourceStreamData::create(m_sampleRate,
m_centerFrequency,
m_startingTimeStamp,
m_recordLength); // file stream data
getOutputMessageQueueToGUI()->push(report);
}
void FileSourceInput::seekFileStream(int seekPercentage)
{
QMutexLocker mutexLocker(&m_mutex);
if ((m_ifstream.is_open()) && !m_fileSourceThread->isRunning())
{
int seekPoint = ((m_recordLength * seekPercentage) / 100) * m_sampleRate;
m_fileSourceThread->setSamplesCount(seekPoint);
seekPoint *= 4; // + sizeof(FileSink::Header)
m_ifstream.clear();
m_ifstream.seekg(seekPoint + sizeof(FileRecord::Header), std::ios::beg);
}
}
bool FileSourceInput::start()
{
QMutexLocker mutexLocker(&m_mutex);
qDebug() << "FileSourceInput::start";
if (m_ifstream.tellg() != 0) {
m_ifstream.clear();
m_ifstream.seekg(sizeof(FileRecord::Header), std::ios::beg);
}
if(!m_sampleFifo.setSize(m_sampleRate * 4)) {
qCritical("Could not allocate SampleFifo");
return false;
}
//openFileStream();
if((m_fileSourceThread = new FileSourceThread(&m_ifstream, &m_sampleFifo)) == NULL) {
qFatal("out of memory");
stop();
return false;
}
m_fileSourceThread->setSamplerate(m_sampleRate);
m_fileSourceThread->connectTimer(m_masterTimer);
m_fileSourceThread->startWork();
m_deviceDescription = "FileSource";
mutexLocker.unlock();
//applySettings(m_generalSettings, m_settings, true);
qDebug("FileSourceInput::startInput: started");
MsgReportFileSourceAcquisition *report = MsgReportFileSourceAcquisition::create(true); // acquisition on
getOutputMessageQueueToGUI()->push(report);
return true;
}
void FileSourceInput::stop()
{
qDebug() << "FileSourceInput::stop";
QMutexLocker mutexLocker(&m_mutex);
if(m_fileSourceThread != 0)
{
m_fileSourceThread->stopWork();
delete m_fileSourceThread;
m_fileSourceThread = 0;
}
m_deviceDescription.clear();
MsgReportFileSourceAcquisition *report = MsgReportFileSourceAcquisition::create(false); // acquisition off
getOutputMessageQueueToGUI()->push(report);
}
const QString& FileSourceInput::getDeviceDescription() const
{
return m_deviceDescription;
}
int FileSourceInput::getSampleRate() const
{
return m_sampleRate;
}
quint64 FileSourceInput::getCenterFrequency() const
{
return m_centerFrequency;
}
std::time_t FileSourceInput::getStartingTimeStamp() const
{
return m_startingTimeStamp;
}
bool FileSourceInput::handleMessage(const Message& message)
{
if (MsgConfigureFileSourceName::match(message))
{
MsgConfigureFileSourceName& conf = (MsgConfigureFileSourceName&) message;
m_fileName = conf.getFileName();
openFileStream();
return true;
}
else if (MsgConfigureFileSourceWork::match(message))
{
MsgConfigureFileSourceWork& conf = (MsgConfigureFileSourceWork&) message;
bool working = conf.isWorking();
if (m_fileSourceThread != 0)
{
if (working)
{
m_fileSourceThread->startWork();
/*
MsgReportFileSourceStreamTiming *report =
MsgReportFileSourceStreamTiming::create(m_fileSourceThread->getSamplesCount());
getOutputMessageQueueToGUI()->push(report);*/
}
else
{
m_fileSourceThread->stopWork();
}
}
return true;
}
else if (MsgConfigureFileSourceSeek::match(message))
{
MsgConfigureFileSourceSeek& conf = (MsgConfigureFileSourceSeek&) message;
int seekPercentage = conf.getPercentage();
seekFileStream(seekPercentage);
return true;
}
else if (MsgConfigureFileSourceStreamTiming::match(message))
{
MsgReportFileSourceStreamTiming *report;
if (m_fileSourceThread != 0)
{
report = MsgReportFileSourceStreamTiming::create(m_fileSourceThread->getSamplesCount());
getOutputMessageQueueToGUI()->push(report);
}
return true;
}
else
{
return false;
}
}