/**************************************************************************** * * (c) 2009-2016 QGROUNDCONTROL PROJECT * * QGroundControl is licensed according to the terms in the file * COPYING.md in the root of the source code directory. * ****************************************************************************/ #include #include #include #include #include #ifndef QGC_DISABLE_UVC #include #endif #include #include "ScreenToolsController.h" #include "VideoManager.h" #include "QGCToolbox.h" #include "QGCCorePlugin.h" #include "QGCOptions.h" #include "Settings/SettingsManager.h" QGC_LOGGING_CATEGORY(VideoManagerLog, "VideoManagerLog") //----------------------------------------------------------------------------- VideoManager::VideoManager(QGCApplication* app, QGCToolbox* toolbox) : QGCTool(app, toolbox) , _videoReceiver(NULL) , _videoSettings(NULL) , _fullScreen(false) { } //----------------------------------------------------------------------------- VideoManager::~VideoManager() { if(_videoReceiver) { delete _videoReceiver; } } //----------------------------------------------------------------------------- void VideoManager::setToolbox(QGCToolbox *toolbox) { QGCTool::setToolbox(toolbox); QQmlEngine::setObjectOwnership(this, QQmlEngine::CppOwnership); qmlRegisterUncreatableType ("QGroundControl.VideoManager", 1, 0, "VideoManager", "Reference only"); qmlRegisterUncreatableType("QGroundControl", 1, 0, "VideoReceiver","Reference only"); qmlRegisterUncreatableType ("QGroundControl", 1, 0, "VideoSurface", "Reference only"); _videoSettings = toolbox->settingsManager()->videoSettings(); QString videoSource = _videoSettings->videoSource()->rawValue().toString(); connect(_videoSettings->videoSource(), &Fact::rawValueChanged, this, &VideoManager::_videoSourceChanged); connect(_videoSettings->udpPort(), &Fact::rawValueChanged, this, &VideoManager::_udpPortChanged); connect(_videoSettings->rtspUrl(), &Fact::rawValueChanged, this, &VideoManager::_rtspUrlChanged); connect(_videoSettings->tcpUrl(), &Fact::rawValueChanged, this, &VideoManager::_tcpUrlChanged); #if defined(QGC_GST_STREAMING) #ifndef QGC_DISABLE_UVC // If we are using a UVC camera setup the device name QList cameras = QCameraInfo::availableCameras(); foreach (const QCameraInfo &cameraInfo, cameras) { if(cameraInfo.description() == videoSource) { _videoSourceID = cameraInfo.deviceName(); emit videoSourceIDChanged(); qCDebug(VideoManagerLog) << "Found USB source:" << _videoSourceID << " Name:" << videoSource; break; } } #endif emit isGStreamerChanged(); qCDebug(VideoManagerLog) << "New Video Source:" << videoSource; _videoReceiver = toolbox->corePlugin()->createVideoReceiver(this); _updateSettings(); if(isGStreamer()) { _videoReceiver->start(); } else { _videoReceiver->stop(); } #endif } //----------------------------------------------------------------------------- void VideoManager::_videoSourceChanged() { emit hasVideoChanged(); emit isGStreamerChanged(); _restartVideo(); } //----------------------------------------------------------------------------- void VideoManager::_udpPortChanged() { _restartVideo(); } //----------------------------------------------------------------------------- void VideoManager::_rtspUrlChanged() { _restartVideo(); } //----------------------------------------------------------------------------- void VideoManager::_tcpUrlChanged() { _restartVideo(); } //----------------------------------------------------------------------------- bool VideoManager::hasVideo() { QString videoSource = _videoSettings->videoSource()->rawValue().toString(); return !videoSource.isEmpty() && videoSource != VideoSettings::videoSourceNoVideo && videoSource != VideoSettings::videoDisabled; } //----------------------------------------------------------------------------- bool VideoManager::isGStreamer() { #if defined(QGC_GST_STREAMING) QString videoSource = _videoSettings->videoSource()->rawValue().toString(); return videoSource == VideoSettings::videoSourceUDP || videoSource == VideoSettings::videoSourceRTSP || videoSource == VideoSettings::videoSourceTCP; #else return false; #endif } //----------------------------------------------------------------------------- #ifndef QGC_DISABLE_UVC bool VideoManager::uvcEnabled() { return QCameraInfo::availableCameras().count() > 0; } #endif //----------------------------------------------------------------------------- void VideoManager::_updateSettings() { if(!_videoSettings || !_videoReceiver) return; if (_videoSettings->videoSource()->rawValue().toString() == VideoSettings::videoSourceUDP) _videoReceiver->setUri(QStringLiteral("udp://0.0.0.0:%1").arg(_videoSettings->udpPort()->rawValue().toInt())); else if (_videoSettings->videoSource()->rawValue().toString() == VideoSettings::videoSourceRTSP) _videoReceiver->setUri(_videoSettings->rtspUrl()->rawValue().toString()); else if (_videoSettings->videoSource()->rawValue().toString() == VideoSettings::videoSourceTCP) _videoReceiver->setUri(QStringLiteral("tcp://%1").arg(_videoSettings->tcpUrl()->rawValue().toString())); } //----------------------------------------------------------------------------- void VideoManager::_restartVideo() { #if defined(QGC_GST_STREAMING) if(!_videoReceiver) return; _videoReceiver->stop(); _updateSettings(); _videoReceiver->start(); #endif }