281 lines
8.6 KiB
C++
281 lines
8.6 KiB
C++
#include <QApplication>
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#include <QPluginLoader>
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#include <QComboBox>
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#include "plugin/pluginmanager.h"
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#include "plugin/plugingui.h"
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#include "settings/preset.h"
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#include "mainwindow.h"
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#include "dsp/dspengine.h"
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#include "dsp/samplesource/samplesource.h"
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PluginManager::PluginManager(MainWindow* mainWindow, DSPEngine* dspEngine, QObject* parent) :
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QObject(parent),
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m_pluginAPI(this, mainWindow, dspEngine),
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m_mainWindow(mainWindow),
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m_dspEngine(dspEngine),
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m_sampleSource(),
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m_sampleSourceInstance(NULL)
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{
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}
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PluginManager::~PluginManager()
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{
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freeAll();
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}
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void PluginManager::loadPlugins()
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{
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QDir pluginsDir = QDir(QApplication::instance()->applicationDirPath());
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loadPlugins(pluginsDir);
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qSort(m_plugins);
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for(Plugins::const_iterator it = m_plugins.begin(); it != m_plugins.end(); ++it)
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it->plugin->initPlugin(&m_pluginAPI);
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updateSampleSourceDevices();
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}
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void PluginManager::registerChannel(const QString& channelName, PluginInterface* plugin, QAction* action)
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{
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m_channelRegistrations.append(ChannelRegistration(channelName, plugin));
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m_mainWindow->addChannelCreateAction(action);
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}
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void PluginManager::registerChannelInstance(const QString& channelName, PluginGUI* pluginGUI)
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{
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m_channelInstanceRegistrations.append(ChannelInstanceRegistration(channelName, pluginGUI));
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renameChannelInstances();
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}
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void PluginManager::addChannelRollup(QWidget* pluginGUI)
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{
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m_mainWindow->addChannelRollup(pluginGUI);
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}
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void PluginManager::removeChannelInstance(PluginGUI* pluginGUI)
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{
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for(ChannelInstanceRegistrations::iterator it = m_channelInstanceRegistrations.begin(); it != m_channelInstanceRegistrations.end(); ++it) {
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if(it->m_gui == pluginGUI) {
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m_channelInstanceRegistrations.erase(it);
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break;
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}
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}
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renameChannelInstances();
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}
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void PluginManager::registerSampleSource(const QString& sourceName, PluginInterface* plugin)
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{
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m_sampleSourceRegistrations.append(SampleSourceRegistration(sourceName, plugin));
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}
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void PluginManager::loadSettings(const Preset* preset)
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{
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//qDebug("-------- [%s | %s] --------", qPrintable(preset->getGroup()), qPrintable(preset->getDescription()));
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// copy currently open channels and clear list
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ChannelInstanceRegistrations openChannels = m_channelInstanceRegistrations;
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m_channelInstanceRegistrations.clear();
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for(int i = 0; i < preset->getChannelCount(); i++) {
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const Preset::ChannelConfig& channelConfig = preset->getChannelConfig(i);
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ChannelInstanceRegistration reg;
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// if we have one instance available already, use it
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for(int i = 0; i < openChannels.count(); i++) {
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//qDebug("compare [%s] vs [%s]", qPrintable(openChannels[i].m_channelName), qPrintable(channelConfig.m_channel));
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if(openChannels[i].m_channelName == channelConfig.m_channel) {
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qDebug("channel [%s] found", qPrintable(openChannels[i].m_channelName));
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reg = openChannels.takeAt(i);
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m_channelInstanceRegistrations.append(reg);
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break;
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}
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}
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// if we haven't one already, create one
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if(reg.m_gui == NULL) {
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for(int i = 0; i < m_channelRegistrations.count(); i++) {
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if(m_channelRegistrations[i].m_channelName == channelConfig.m_channel) {
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qDebug("creating new channel [%s]", qPrintable(channelConfig.m_channel));
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reg = ChannelInstanceRegistration(channelConfig.m_channel, m_channelRegistrations[i].m_plugin->createChannel(channelConfig.m_channel));
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break;
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}
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}
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}
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if(reg.m_gui != NULL)
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reg.m_gui->deserialize(channelConfig.m_config);
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}
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// everything, that is still "available" is not needed anymore
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for(int i = 0; i < openChannels.count(); i++) {
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qDebug("destroying spare channel [%s]", qPrintable(openChannels[i].m_channelName));
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openChannels[i].m_gui->destroy();
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}
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renameChannelInstances();
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if(m_sampleSourceInstance != NULL) {
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m_sampleSourceInstance->deserializeGeneral(preset->getSourceGeneralConfig());
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if(m_sampleSource == preset->getSource()) {
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m_sampleSourceInstance->deserialize(preset->getSourceConfig());
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}
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}
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}
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void PluginManager::saveSettings(Preset* preset) const
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{
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if(m_sampleSourceInstance != NULL) {
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preset->setSourceConfig(m_sampleSource, m_sampleSourceInstance->serializeGeneral(), m_sampleSourceInstance->serialize());
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preset->setCenterFrequency(m_sampleSourceInstance->getCenterFrequency());
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} else {
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preset->setSourceConfig(QString::null, QByteArray(), QByteArray());
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}
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for(int i = 0; i < m_channelInstanceRegistrations.count(); i++)
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preset->addChannel(m_channelInstanceRegistrations[i].m_channelName, m_channelInstanceRegistrations[i].m_gui->serialize());
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}
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void PluginManager::freeAll()
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{
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m_dspEngine->stopAcquistion();
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while(!m_channelInstanceRegistrations.isEmpty()) {
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ChannelInstanceRegistration reg(m_channelInstanceRegistrations.takeLast());
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reg.m_gui->destroy();
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}
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if(m_sampleSourceInstance != NULL) {
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m_dspEngine->setSource(NULL);
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m_sampleSourceInstance->destroy();
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m_sampleSourceInstance = NULL;
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m_sampleSource.clear();
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}
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}
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bool PluginManager::handleMessage(Message* message)
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{
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if(m_sampleSourceInstance != NULL) {
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if((message->getDestination() == NULL) || (message->getDestination() == m_sampleSourceInstance)) {
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if(m_sampleSourceInstance->handleMessage(message))
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return true;
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}
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}
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for(ChannelInstanceRegistrations::iterator it = m_channelInstanceRegistrations.begin(); it != m_channelInstanceRegistrations.end(); ++it) {
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if((message->getDestination() == NULL) || (message->getDestination() == it->m_gui)) {
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if(it->m_gui->handleMessage(message))
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return true;
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}
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}
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return false;
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}
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void PluginManager::updateSampleSourceDevices()
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{
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m_sampleSourceDevices.clear();
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for(int i = 0; i < m_sampleSourceRegistrations.count(); ++i) {
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PluginInterface::SampleSourceDevices ssd = m_sampleSourceRegistrations[i].m_plugin->enumSampleSources();
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for(int j = 0; j < ssd.count(); ++j)
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m_sampleSourceDevices.append(SampleSourceDevice(m_sampleSourceRegistrations[i].m_plugin, ssd[j].displayedName, ssd[j].name, ssd[j].address));
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}
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}
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void PluginManager::fillSampleSourceSelector(QComboBox* comboBox)
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{
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comboBox->clear();
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for(int i = 0; i < m_sampleSourceDevices.count(); i++)
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comboBox->addItem(m_sampleSourceDevices[i].m_displayName, i);
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}
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int PluginManager::selectSampleSource(int index)
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{
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m_dspEngine->stopAcquistion();
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if(m_sampleSourceInstance != NULL) {
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m_dspEngine->stopAcquistion();
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m_dspEngine->setSource(NULL);
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m_sampleSourceInstance->destroy();
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m_sampleSourceInstance = NULL;
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m_sampleSource.clear();
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}
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if(index == -1) {
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if(!m_sampleSource.isEmpty()) {
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for(int i = 0; i < m_sampleSourceDevices.count(); i++) {
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if(m_sampleSourceDevices[i].m_sourceName == m_sampleSource) {
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index = i;
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break;
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}
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}
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}
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if(index == -1) {
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if(m_sampleSourceDevices.count() > 0)
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index = 0;
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}
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}
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if(index == -1)
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return -1;
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m_sampleSource = m_sampleSourceDevices[index].m_sourceName;
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m_sampleSourceInstance = m_sampleSourceDevices[index].m_plugin->createSampleSource(m_sampleSource, m_sampleSourceDevices[index].m_address);
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return index;
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}
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int PluginManager::selectSampleSource(const QString& source)
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{
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int index = -1;
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m_dspEngine->stopAcquistion();
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if(m_sampleSourceInstance != NULL) {
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m_dspEngine->stopAcquistion();
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m_dspEngine->setSource(NULL);
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m_sampleSourceInstance->destroy();
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m_sampleSourceInstance = NULL;
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m_sampleSource.clear();
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}
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qDebug("finding sample source [%s]", qPrintable(source));
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for(int i = 0; i < m_sampleSourceDevices.count(); i++) {
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//qDebug("*** %s vs %s", qPrintable(m_sampleSourceDevices[i].m_sourceName), qPrintable(source));
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if(m_sampleSourceDevices[i].m_sourceName == source) {
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index = i;
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break;
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}
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}
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if(index == -1) {
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if(m_sampleSourceDevices.count() > 0)
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index = 0;
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}
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if(index == -1)
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return -1;
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m_sampleSource = m_sampleSourceDevices[index].m_sourceName;
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m_sampleSourceInstance = m_sampleSourceDevices[index].m_plugin->createSampleSource(m_sampleSource, m_sampleSourceDevices[index].m_address);
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return index;
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}
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void PluginManager::loadPlugins(const QDir& dir)
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{
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QDir pluginsDir(dir);
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foreach(QString fileName, pluginsDir.entryList(QDir::Files)) {
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QPluginLoader* loader = new QPluginLoader(pluginsDir.absoluteFilePath(fileName));
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PluginInterface* plugin = qobject_cast<PluginInterface*>(loader->instance());
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if(loader->isLoaded())
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qDebug("loaded plugin %s", qPrintable(fileName));
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if(plugin != NULL) {
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m_plugins.append(Plugin(fileName, loader, plugin));
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} else {
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loader->unload();
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delete loader;
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}
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}
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foreach(QString dirName, pluginsDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot))
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loadPlugins(pluginsDir.absoluteFilePath(dirName));
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}
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void PluginManager::renameChannelInstances()
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{
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for(int i = 0; i < m_channelInstanceRegistrations.count(); i++) {
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m_channelInstanceRegistrations[i].m_gui->setName(QString("%1:%2").arg(m_channelInstanceRegistrations[i].m_channelName).arg(i));
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}
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}
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