diff options
Diffstat (limited to 'src/qtmultimediaquicktools/qdeclarativevideooutput.cpp')
-rw-r--r-- | src/qtmultimediaquicktools/qdeclarativevideooutput.cpp | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/src/qtmultimediaquicktools/qdeclarativevideooutput.cpp b/src/qtmultimediaquicktools/qdeclarativevideooutput.cpp index 32166502d..ca3a4b2ea 100644 --- a/src/qtmultimediaquicktools/qdeclarativevideooutput.cpp +++ b/src/qtmultimediaquicktools/qdeclarativevideooutput.cpp @@ -138,6 +138,7 @@ QDeclarativeVideoOutput::QDeclarativeVideoOutput(QQuickItem *parent) : { initResource(); setFlag(ItemHasContents, true); + createBackend(nullptr); } QDeclarativeVideoOutput::~QDeclarativeVideoOutput() @@ -148,6 +149,23 @@ QDeclarativeVideoOutput::~QDeclarativeVideoOutput() } /*! + \qmlproperty object QtMultimedia::VideoOutput::videoSurface + \since 5.15 + + This property holds the underlaying video surface that can be used + to render the video frames to this VideoOutput element. + It is similar to setting a QObject with \c videoSurface property as a source, + where this video surface will be set. + + \sa source +*/ + +QAbstractVideoSurface *QDeclarativeVideoOutput::videoSurface() const +{ + return m_backend ? m_backend->videoSurface() : nullptr; +} + +/*! \qmlproperty variant QtMultimedia::VideoOutput::source This property holds the source item providing the video frames like MediaPlayer or Camera. @@ -206,21 +224,10 @@ void QDeclarativeVideoOutput::setSource(QObject *source) } m_sourceType = MediaObjectSource; -#if QT_CONFIG(opengl) } else if (metaObject->indexOfProperty("videoSurface") != -1) { - // Make sure our backend is a QDeclarativeVideoRendererBackend - m_backend.reset(); - createBackend(0); - Q_ASSERT(m_backend); -#ifndef QT_NO_DYNAMIC_CAST - Q_ASSERT(dynamic_cast<QDeclarativeVideoRendererBackend *>(m_backend.data())); -#endif - QAbstractVideoSurface * const surface = m_backend->videoSurface(); - Q_ASSERT(surface); m_source.data()->setProperty("videoSurface", - QVariant::fromValue<QAbstractVideoSurface*>(surface)); + QVariant::fromValue<QAbstractVideoSurface *>(videoSurface())); m_sourceType = VideoSurfaceSource; -#endif } else { m_sourceType = NoSource; } @@ -242,7 +249,8 @@ bool QDeclarativeVideoOutput::createBackend(QMediaService *service) const auto instances = videoBackendFactoryLoader()->instances(QLatin1String("declarativevideobackend")); for (QObject *instance : instances) { if (QDeclarativeVideoBackendFactoryInterface *plugin = qobject_cast<QDeclarativeVideoBackendFactoryInterface*>(instance)) { - m_backend.reset(plugin->create(this)); + if (!m_backend) + m_backend.reset(plugin->create(this)); if (m_backend && m_backend->init(service)) { backendAvailable = true; break; @@ -251,7 +259,8 @@ bool QDeclarativeVideoOutput::createBackend(QMediaService *service) } #if QT_CONFIG(opengl) if (!backendAvailable) { - m_backend.reset(new QDeclarativeVideoRendererBackend(this)); + if (!m_backend) + m_backend.reset(new QDeclarativeVideoRendererBackend(this)); if (m_backend->init(service)) backendAvailable = true; } @@ -293,9 +302,6 @@ void QDeclarativeVideoOutput::_q_updateMediaObject() if (m_mediaObject.data() == mediaObject) return; - if (m_sourceType != VideoSurfaceSource) - m_backend.reset(); - m_mediaObject.clear(); m_service.clear(); |