mirror of
https://github.com/f4exb/sdrangel.git
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275 lines
7.5 KiB
C++
275 lines
7.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2015 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <string.h>
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#include <errno.h>
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#include <QDebug>
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#include "util/simpleserializer.h"
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#include "dsp/dspcommands.h"
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#include "dsp/dspengine.h"
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#include "filesourcegui.h"
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#include "filesourceinput.h"
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#include <dsp/filerecord.h>
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#include "filesourcethread.h"
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MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSource, Message)
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MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSourceName, Message)
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MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSourceWork, Message)
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MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSourceSeek, Message)
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MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgConfigureFileSourceStreamTiming, Message)
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MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgReportFileSourceAcquisition, Message)
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MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgReportFileSourceStreamData, Message)
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MESSAGE_CLASS_DEFINITION(FileSourceInput::MsgReportFileSourceStreamTiming, Message)
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FileSourceInput::Settings::Settings() :
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m_fileName("./test.sdriq")
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{
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}
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void FileSourceInput::Settings::resetToDefaults()
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{
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m_fileName = "./test.sdriq";
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}
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QByteArray FileSourceInput::Settings::serialize() const
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{
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SimpleSerializer s(1);
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s.writeString(1, m_fileName);
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return s.final();
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}
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bool FileSourceInput::Settings::deserialize(const QByteArray& data)
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{
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SimpleDeserializer d(data);
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if(!d.isValid()) {
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resetToDefaults();
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return false;
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}
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if(d.getVersion() == 1) {
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d.readString(1, &m_fileName, "./test.sdriq");
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return true;
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} else {
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resetToDefaults();
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return false;
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}
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}
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FileSourceInput::FileSourceInput(const QTimer& masterTimer) :
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m_settings(),
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m_fileSourceThread(NULL),
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m_deviceDescription(),
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m_fileName("..."),
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m_sampleRate(0),
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m_centerFrequency(0),
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m_recordLength(0),
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m_startingTimeStamp(0),
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m_masterTimer(masterTimer)
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{
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}
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FileSourceInput::~FileSourceInput()
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{
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stop();
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}
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void FileSourceInput::openFileStream()
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{
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//stopInput();
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if (m_ifstream.is_open()) {
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m_ifstream.close();
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}
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m_ifstream.open(m_fileName.toStdString().c_str(), std::ios::binary | std::ios::ate);
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quint64 fileSize = m_ifstream.tellg();
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m_ifstream.seekg(0,std::ios_base::beg);
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FileRecord::Header header;
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FileRecord::readHeader(m_ifstream, header);
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m_sampleRate = header.sampleRate;
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m_centerFrequency = header.centerFrequency;
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m_startingTimeStamp = header.startTimeStamp;
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if (fileSize > sizeof(FileRecord::Header)) {
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m_recordLength = (fileSize - sizeof(FileRecord::Header)) / (4 * m_sampleRate);
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} else {
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m_recordLength = 0;
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}
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qDebug() << "FileSourceInput::openFileStream: " << m_fileName.toStdString().c_str()
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<< " fileSize: " << fileSize << "bytes"
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<< " length: " << m_recordLength << " seconds";
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MsgReportFileSourceStreamData *report = MsgReportFileSourceStreamData::create(m_sampleRate,
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m_centerFrequency,
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m_startingTimeStamp,
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m_recordLength); // file stream data
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getOutputMessageQueueToGUI()->push(report);
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}
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void FileSourceInput::seekFileStream(int seekPercentage)
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{
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QMutexLocker mutexLocker(&m_mutex);
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if ((m_ifstream.is_open()) && !m_fileSourceThread->isRunning())
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{
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int seekPoint = ((m_recordLength * seekPercentage) / 100) * m_sampleRate;
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m_fileSourceThread->setSamplesCount(seekPoint);
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seekPoint *= 4; // + sizeof(FileSink::Header)
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m_ifstream.clear();
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m_ifstream.seekg(seekPoint + sizeof(FileRecord::Header), std::ios::beg);
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}
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}
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bool FileSourceInput::start()
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{
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QMutexLocker mutexLocker(&m_mutex);
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qDebug() << "FileSourceInput::start";
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if (m_ifstream.tellg() != 0) {
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m_ifstream.clear();
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m_ifstream.seekg(sizeof(FileRecord::Header), std::ios::beg);
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}
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if(!m_sampleFifo.setSize(m_sampleRate * 4)) {
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qCritical("Could not allocate SampleFifo");
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return false;
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}
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//openFileStream();
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if((m_fileSourceThread = new FileSourceThread(&m_ifstream, &m_sampleFifo)) == NULL) {
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qFatal("out of memory");
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stop();
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return false;
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}
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m_fileSourceThread->setSamplerate(m_sampleRate);
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m_fileSourceThread->connectTimer(m_masterTimer);
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m_fileSourceThread->startWork();
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m_deviceDescription = "FileSource";
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mutexLocker.unlock();
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//applySettings(m_generalSettings, m_settings, true);
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qDebug("FileSourceInput::startInput: started");
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MsgReportFileSourceAcquisition *report = MsgReportFileSourceAcquisition::create(true); // acquisition on
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getOutputMessageQueueToGUI()->push(report);
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return true;
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}
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void FileSourceInput::stop()
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{
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qDebug() << "FileSourceInput::stop";
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QMutexLocker mutexLocker(&m_mutex);
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if(m_fileSourceThread != 0)
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{
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m_fileSourceThread->stopWork();
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delete m_fileSourceThread;
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m_fileSourceThread = 0;
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}
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m_deviceDescription.clear();
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MsgReportFileSourceAcquisition *report = MsgReportFileSourceAcquisition::create(false); // acquisition off
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getOutputMessageQueueToGUI()->push(report);
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}
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const QString& FileSourceInput::getDeviceDescription() const
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{
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return m_deviceDescription;
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}
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int FileSourceInput::getSampleRate() const
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{
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return m_sampleRate;
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}
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quint64 FileSourceInput::getCenterFrequency() const
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{
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return m_centerFrequency;
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}
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std::time_t FileSourceInput::getStartingTimeStamp() const
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{
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return m_startingTimeStamp;
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}
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bool FileSourceInput::handleMessage(const Message& message)
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{
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if (MsgConfigureFileSourceName::match(message))
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{
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MsgConfigureFileSourceName& conf = (MsgConfigureFileSourceName&) message;
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m_fileName = conf.getFileName();
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openFileStream();
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return true;
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}
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else if (MsgConfigureFileSourceWork::match(message))
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{
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MsgConfigureFileSourceWork& conf = (MsgConfigureFileSourceWork&) message;
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bool working = conf.isWorking();
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if (m_fileSourceThread != 0)
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{
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if (working)
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{
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m_fileSourceThread->startWork();
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/*
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MsgReportFileSourceStreamTiming *report =
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MsgReportFileSourceStreamTiming::create(m_fileSourceThread->getSamplesCount());
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getOutputMessageQueueToGUI()->push(report);*/
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}
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else
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{
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m_fileSourceThread->stopWork();
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}
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}
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return true;
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}
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else if (MsgConfigureFileSourceSeek::match(message))
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{
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MsgConfigureFileSourceSeek& conf = (MsgConfigureFileSourceSeek&) message;
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int seekPercentage = conf.getPercentage();
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seekFileStream(seekPercentage);
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return true;
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}
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else if (MsgConfigureFileSourceStreamTiming::match(message))
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{
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MsgReportFileSourceStreamTiming *report;
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if (m_fileSourceThread != 0)
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{
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report = MsgReportFileSourceStreamTiming::create(m_fileSourceThread->getSamplesCount());
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getOutputMessageQueueToGUI()->push(report);
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}
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return true;
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}
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else
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{
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return false;
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}
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}
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