diff --git a/src/backend.cpp b/src/backend.cpp index 80f0f92..4a82438 100644 --- a/src/backend.cpp +++ b/src/backend.cpp @@ -1,365 +1,365 @@ /* Copyright (C) 2007-2008 Tanguy Krotoff Copyright (C) 2008 Lukas Durfina Copyright (C) 2009 Fathi Boudra Copyright (C) 2009-2011 vlc-phonon AUTHORS Copyright (C) 2011-2013 Harald Sitter This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library. If not, see . */ #include "backend.h" #include #include #include #include #include #include #include #include #include #include "audio/audiooutput.h" #include "audio/audiodataoutput.h" #include "audio/volumefadereffect.h" #include "config.h" #include "devicemanager.h" #include "effect.h" #include "effectmanager.h" #include "mediaobject.h" #include "sinknode.h" #include "utils/debug.h" #include "utils/libvlc.h" #include "utils/mime.h" #ifdef PHONON_EXPERIMENTAL #include "video/videodataoutput.h" #endif #include "video/videowidget.h" namespace Phonon { namespace VLC { Backend *Backend::self; Backend::Backend(QObject *parent, const QVariantList &) : QObject(parent) , m_deviceManager(0) , m_effectManager(0) { self = this; // Backend information properties setProperty("identifier", QLatin1String("phonon_vlc")); setProperty("backendName", QLatin1String("VLC")); setProperty("backendComment", QLatin1String("VLC backend for Phonon")); setProperty("backendVersion", QLatin1String(PHONON_VLC_VERSION)); setProperty("backendIcon", QLatin1String("vlc")); - setProperty("backendWebsite", QLatin1String("https://projects.kde.org/projects/kdesupport/phonon/phonon-vlc")); + setProperty("backendWebsite", QLatin1String("https://commits.kde.org/phonon-vlc")); // Check if we should enable debug output int debugLevel = qgetenv("PHONON_BACKEND_DEBUG").toInt(); if (debugLevel > 3) // 3 is maximum debugLevel = 3; Debug::setMinimumDebugLevel((Debug::DebugLevel)((int) Debug::DEBUG_NONE - 1 - debugLevel)); debug() << "Constructing Phonon-VLC Version" << PHONON_VLC_VERSION; // Actual libVLC initialisation if (LibVLC::init()) { debug() << "Using VLC version" << libvlc_get_version(); if (!qApp->applicationName().isEmpty()) { QString userAgent = QString("%0/%1 (Phonon/%2; Phonon-VLC/%3)").arg( qApp->applicationName(), qApp->applicationVersion(), PHONON_VERSION_STR, PHONON_VLC_VERSION); libvlc_set_user_agent(pvlc_libvlc, qApp->applicationName().toUtf8().constData(), userAgent.toUtf8().constData()); } else { qWarning("WARNING: Setting the user agent for streaming and" " PulseAudio requires you to set QCoreApplication::applicationName()"); } PulseSupport::getInstance()->enable(true); const bool pulseActive = PulseSupport::getInstance()->isActive(); PulseSupport::getInstance()->enable(false); if (!qApp->applicationName().isEmpty()) { const QString id = QString("org.kde.phonon.%1").arg(qApp->applicationName()); const QString version = qApp->applicationVersion(); QString icon; if (!qApp->windowIcon().isNull()){ // Try to get the fromTheme() name of the QIcon. icon = qApp->windowIcon().name(); } if (icon.isEmpty()) { // If we failed to get a proper icon name, use the appname instead. icon = qApp->applicationName().toLower(); } libvlc_set_app_id(pvlc_libvlc, id.toUtf8().constData(), version.toUtf8().constData(), icon.toUtf8().constData()); } else if (pulseActive) { qWarning("WARNING: Setting PulseAudio context information requires you" " to set QCoreApplication::applicationName()," " QCoreApplication::applicationVersion() and" " QGuiApplication::windowIcon()."); } } else { #ifdef __GNUC__ #warning TODO - this error message is as useful as a knife at a gun fight #endif QMessageBox msg; msg.setIcon(QMessageBox::Critical); msg.setWindowTitle(tr("LibVLC Failed to Initialize")); msg.setText(tr("Phonon's VLC backend failed to start." "\n\n" "This usually means a problem with your VLC installation," " please report a bug with your distributor.")); msg.setDetailedText(LibVLC::errorMessage()); msg.exec(); fatal() << "Phonon::VLC::vlcInit: Failed to initialize VLC"; } #if (LIBVLC_VERSION_INT < LIBVLC_VERSION(2, 2, 2, 0)) // VLC 2.2 changed the stream creation order around internally which breaks // the Pulseaudio hijacking. Since VLC upstream doesn't feel like giving us // any more property control we now consider this feature unsupported. As // such whatever properties VLC sets will be what pulse knows about us. // Initialise PulseAudio support PulseSupport *pulse = PulseSupport::getInstance(); pulse->enable(true); connect(pulse, SIGNAL(objectDescriptionChanged(ObjectDescriptionType)), SIGNAL(objectDescriptionChanged(ObjectDescriptionType))); #endif m_deviceManager = new DeviceManager(this); m_effectManager = new EffectManager(this); } Backend::~Backend() { if (LibVLC::self) delete LibVLC::self; if (GlobalAudioChannels::self) delete GlobalAudioChannels::self; if (GlobalSubtitles::self) delete GlobalSubtitles::self; PulseSupport::shutdown(); } QObject *Backend::createObject(BackendInterface::Class c, QObject *parent, const QList &args) { if (!LibVLC::self || !pvlc_libvlc) return 0; switch (c) { case MediaObjectClass: return new MediaObject(parent); case AudioOutputClass: return new AudioOutput(parent); #if (LIBVLC_VERSION_INT < LIBVLC_VERSION(2, 0, 0, 0)) // Broken >= 2.0 // https://trac.videolan.org/vlc/ticket/6992 case AudioDataOutputClass: return new AudioDataOutput(parent); #endif #ifdef PHONON_EXPERIMENTAL case VideoDataOutputClass: return new VideoDataOutput(parent); #endif case VideoGraphicsObjectClass: return nullptr; // No longer supported case EffectClass: return effectManager()->createEffect(args[0].toInt(), parent); case VideoWidgetClass: return new VideoWidget(qobject_cast(parent)); // case VolumeFaderEffectClass: #ifdef __GNUC__ #warning VFE crashes and has volume bugs ... deactivated // return new VolumeFaderEffect(parent); #endif } warning() << "Backend class" << c << "is not supported by Phonon VLC :("; return 0; } QStringList Backend::availableMimeTypes() const { if (m_supportedMimeTypes.isEmpty()) const_cast(this)->m_supportedMimeTypes = mimeTypeList(); return m_supportedMimeTypes; } QList Backend::objectDescriptionIndexes(ObjectDescriptionType type) const { QList list; switch (type) { case Phonon::AudioChannelType: { list << GlobalAudioChannels::instance()->globalIndexes(); } break; case Phonon::AudioOutputDeviceType: case Phonon::AudioCaptureDeviceType: case Phonon::VideoCaptureDeviceType: { return deviceManager()->deviceIds(type); } break; case Phonon::EffectType: { QList effectList = effectManager()->effects(); for (int eff = 0; eff < effectList.size(); ++eff) { list.append(eff); } } break; case Phonon::SubtitleType: { list << GlobalSubtitles::instance()->globalIndexes(); } break; } return list; } QHash Backend::objectDescriptionProperties(ObjectDescriptionType type, int index) const { QHash ret; switch (type) { case Phonon::AudioChannelType: { const AudioChannelDescription description = GlobalAudioChannels::instance()->fromIndex(index); ret.insert("name", description.name()); ret.insert("description", description.description()); } break; case Phonon::AudioOutputDeviceType: case Phonon::AudioCaptureDeviceType: case Phonon::VideoCaptureDeviceType: { // Index should be unique, even for different categories return deviceManager()->deviceProperties(index); } break; case Phonon::EffectType: { const QList effectList = effectManager()->effects(); if (index >= 0 && index <= effectList.size()) { const EffectInfo &effect = effectList.at(index); ret.insert("name", effect.name()); ret.insert("description", effect.description()); ret.insert("author", effect.author()); } else { Q_ASSERT(1); // Since we use list position as ID, this should not happen } } break; case Phonon::SubtitleType: { const SubtitleDescription description = GlobalSubtitles::instance()->fromIndex(index); ret.insert("name", description.name()); ret.insert("description", description.description()); ret.insert("type", description.property("type")); } break; } return ret; } bool Backend::startConnectionChange(QSet objects) { //FIXME foreach(QObject * object, objects) { debug() << "Object:" << object->metaObject()->className(); } // There is nothing we can do but hope the connection changes will not take too long // so that buffers would underrun // But we should be pretty safe the way xine works by not doing anything here. return true; } bool Backend::connectNodes(QObject *source, QObject *sink) { debug() << "Backend connected" << source->metaObject()->className() << "to" << sink->metaObject()->className(); SinkNode *sinkNode = dynamic_cast(sink); if (sinkNode) { MediaObject *mediaObject = qobject_cast(source); if (mediaObject) { // Connect the SinkNode to a MediaObject sinkNode->connectToMediaObject(mediaObject); return true; } VolumeFaderEffect *effect = qobject_cast(source); if (effect) { sinkNode->connectToMediaObject(effect->mediaObject()); return true; } } warning() << "Linking" << source->metaObject()->className() << "to" << sink->metaObject()->className() << "failed"; return false; } bool Backend::disconnectNodes(QObject *source, QObject *sink) { SinkNode *sinkNode = dynamic_cast(sink); if (sinkNode) { MediaObject *const mediaObject = qobject_cast(source); if (mediaObject) { // Disconnect the SinkNode from a MediaObject sinkNode->disconnectFromMediaObject(mediaObject); return true; } VolumeFaderEffect *const effect = qobject_cast(source); if (effect) { sinkNode->disconnectFromMediaObject(effect->mediaObject()); return true; } } return false; } bool Backend::endConnectionChange(QSet objects) { foreach(QObject *object, objects) { debug() << "Object:" << object->metaObject()->className(); } return true; } DeviceManager *Backend::deviceManager() const { return m_deviceManager; } EffectManager *Backend::effectManager() const { return m_effectManager; } } // namespace VLC } // namespace Phonon