kopia lustrzana https://github.com/f4exb/sdrangel
197 wiersze
5.0 KiB
C++
197 wiersze
5.0 KiB
C++
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///////////////////////////////////////////////////////////////////////////////////
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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 <cstdio>
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#include <iostream>
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#include "util/simpleserializer.h"
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#include "dsp/filesink.h"
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#include "filesourcegui.h"
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#include "filesourceinput.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::MsgReportFileSource, 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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int intval;
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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(MessageQueue* msgQueueToGUI, const QTimer& masterTimer) :
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SampleSource(msgQueueToGUI),
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m_settings(),
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m_fileSourceThread(NULL),
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m_deviceDescription(),
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m_sampleRate(0),
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m_centerFrequency(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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stopInput();
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}
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void FileSourceInput::openFileStream()
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{
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m_ifstream.open(m_settings.m_fileName.toStdString().c_str(), std::ios::binary);
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FileSink::Header header;
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FileSink::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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}
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bool FileSourceInput::startInput(int device)
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{
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QMutexLocker mutexLocker(&m_mutex);
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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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goto failed;
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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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mutexLocker.unlock();
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applySettings(m_generalSettings, m_settings, true);
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qDebug("bladerfInput: start");
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//MsgReportBladerf::create(m_gains)->submit(m_guiMessageQueue); Pass anything here
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return true;
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failed:
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stopInput();
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return false;
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}
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void FileSourceInput::stopInput()
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{
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QMutexLocker mutexLocker(&m_mutex);
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if(m_fileSourceThread != NULL) {
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m_fileSourceThread->stopWork();
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delete m_fileSourceThread;
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m_fileSourceThread = NULL;
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}
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m_deviceDescription.clear();
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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(Message* message)
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{
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if(MsgConfigureFileSource::match(message)) {
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MsgConfigureFileSource* conf = (MsgConfigureFileSource*)message;
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if(!applySettings(conf->getGeneralSettings(), conf->getSettings(), false))
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qDebug("File Source config error");
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message->completed();
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return true;
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} else {
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return false;
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}
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}
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bool FileSourceInput::applySettings(const GeneralSettings& generalSettings, const Settings& settings, bool force)
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{
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QMutexLocker mutexLocker(&m_mutex);
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if((m_settings.m_fileName != settings.m_fileName) || force) {
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m_settings.m_fileName = settings.m_fileName;
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if (m_fileSourceThread != 0) {
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m_fileSourceThread->stopWork();
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}
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if (m_ifstream.is_open()) {
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m_ifstream.close();
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}
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openFileStream();
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if (m_fileSourceThread != 0) {
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m_fileSourceThread->setSamplerate(m_sampleRate);
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}
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std::cerr << "FileSourceInput: center freq: " << m_generalSettings.m_centerFrequency << " Hz"
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<< " file name: " << settings.m_fileName.toStdString() << std::endl;
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}
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return true;
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}
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