/*------------------------------------------------------------------------------ | OMX_CameraSurfaceElement::updatePaintNode +-----------------------------------------------------------------------------*/ QSGNode* OMX_CameraSurfaceElement::updatePaintNode(QSGNode* oldNode, UpdatePaintNodeData*) { QSGGeometryNode* node = 0; QSGGeometry* geometry = 0; if (!oldNode) { // Create the node. node = new QSGGeometryNode; geometry = new QSGGeometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4); geometry->setDrawingMode(GL_TRIANGLE_STRIP); node->setGeometry(geometry); node->setFlag(QSGNode::OwnsGeometry); // TODO: Who is freeing this? // TODO: I cannot know the texture size here. QSGOpaqueTextureMaterial* material = new QSGOpaqueTextureMaterial; m_sgtexture = new OMX_SGTexture(0, QSize(640, 480)); material->setTexture(m_sgtexture); node->setMaterial(material); node->setFlag(QSGNode::OwnsMaterial); QtConcurrent::run(this, &OMX_CameraSurfaceElement::videoAcquire); } else { node = static_cast<QSGGeometryNode*>(oldNode); geometry = node->geometry(); geometry->allocate(4); // Update texture in the node if needed. QSGOpaqueTextureMaterial* material = (QSGOpaqueTextureMaterial*)node->material(); QElapsedTimer timer; timer.start(); QSGTexture* texture = window()->createTextureFromImage(m_frame); LOG_VERBOSE(LOG_TAG, "Timer tex: %lld.", timer.elapsed()); material->setTexture(texture); m_semAcquire.release(); #if 0 if (m_texture != (GLuint)material->texture()->textureId()) { // TODO: Does setTextureId frees the prev texture? // TODO: I should the given the texture size. LOG_ERROR(LOG_TAG, "Updating texture to %u!", m_texture); material = new QSGOpaqueTextureMaterial; m_sgtexture->setTexture(m_texture, QSize(1920, 1080)); } #endif } // Create the vertices and map to texture. QRectF bounds = boundingRect(); QSGGeometry::TexturedPoint2D* vertices = geometry->vertexDataAsTexturedPoint2D(); vertices[0].set(bounds.x(), bounds.y() + bounds.height(), 0.0f, 0.0f); vertices[1].set(bounds.x() + bounds.width(), bounds.y() + bounds.height(), 1.0f, 0.0f); vertices[2].set(bounds.x(), bounds.y(), 0.0f, 1.0f); vertices[3].set(bounds.x() + bounds.width(), bounds.y(), 1.0f, 1.0f); return node; }
QSGNode* OMX_MediaProcessorElement::updatePaintNode(QSGNode*, UpdatePaintNodeData*) { if (!m_texProvider) { m_texProvider = new OMX_TextureProviderQQuickItem(this); m_mediaProc = new OMX_MediaProcessor(m_texProvider); connect(m_mediaProc, SIGNAL(playbackCompleted()), this, SIGNAL(playbackCompleted())); connect(m_mediaProc, SIGNAL(playbackStarted()), this, SIGNAL(playbackStarted())); // Open if filepath is set. // TODO: Handle errors. if (!m_source.isNull()) { //if (QFile(m_source).exists()) { if (openMedia(m_source)) m_mediaProc->play(); //} //else { LOG_WARNING(LOG_TAG, "File does not exist."); //} } } return NULL; #if 0 QSGGeometryNode* node = 0; QSGGeometry* geometry = 0; if (!oldNode) { // Create the node. node = new QSGGeometryNode; geometry = new QSGGeometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4); geometry->setDrawingMode(GL_TRIANGLE_STRIP); node->setGeometry(geometry); node->setFlag(QSGNode::OwnsGeometry); // TODO: Who is freeing this? // TODO: I cannot know the texture size here. QSGOpaqueTextureMaterial* material = new QSGOpaqueTextureMaterial; m_sgtexture = new OMX_SGTexture(m_texture, QSize(1920, 1080)); material->setTexture(m_sgtexture); node->setMaterial(material); node->setFlag(QSGNode::OwnsMaterial); #ifdef ENABLE_VIDEO_PROCESSOR QPlatformNativeInterface* nativeInterface = QGuiApplicationPrivate::platformIntegration()->nativeInterface(); Q_ASSERT(nativeInterface); EGLDisplay eglDisplay = nativeInterface->nativeResourceForIntegration("egldisplay"); EGLContext eglContext = nativeInterface->nativeResourceForContext( "eglcontext", QOpenGLContext::currentContext() ); #endif // Provider MUST be built in this thread. m_provider = new OMX_TextureProviderQQuickItem(this); #ifdef ENABLE_VIDEO_PROCESSOR m_videoProc = new OMX_VideoProcessor(eglDisplay, eglContext, m_provider); connect(m_videoProc, SIGNAL(textureReady(uint)), this, SLOT(onTextureChanged(uint))); if (!m_source.isNull()) m_videoProc->setVideoPath(m_source); if (m_playScheduled) { m_timer->start(30); m_videoProc->play(); } #elif ENABLE_MEDIA_PROCESSOR LOG_VERBOSE(LOG_TAG, "Starting video using media processor..."); m_mediaProc = new OMX_MediaProcessor(m_provider); m_mediaProc->setFilename("/home/pi/usb/Cars2.mkv", m_texture); //if (m_playScheduled) { m_timer->start(40); m_mediaProc->play(); //} #else LOG_VERBOSE(LOG_TAG, "Starting video..."); QtConcurrent::run(&startVideo, m_provider, this); m_timer->start(30); #endif } else { node = static_cast<QSGGeometryNode*>(oldNode); geometry = node->geometry(); geometry->allocate(4); // Update texture in the node if needed. QSGOpaqueTextureMaterial* material = (QSGOpaqueTextureMaterial*)node->material(); if (m_texture != (GLuint)material->texture()->textureId()) { // TODO: Does setTextureId frees the prev texture? // TODO: I should the given the texture size. LOG_ERROR(LOG_TAG, "Updating texture to %u!", m_texture); material = new QSGOpaqueTextureMaterial; m_sgtexture->setTexture(m_texture, QSize(1920, 1080)); } } // Create the vertices and map to texture. QRectF bounds = boundingRect(); QSGGeometry::TexturedPoint2D* vertices = geometry->vertexDataAsTexturedPoint2D(); vertices[0].set(bounds.x(), bounds.y() + bounds.height(), 0.0f, 0.0f); vertices[1].set(bounds.x() + bounds.width(), bounds.y() + bounds.height(), 1.0f, 0.0f); vertices[2].set(bounds.x(), bounds.y(), 0.0f, 1.0f); vertices[3].set(bounds.x() + bounds.width(), bounds.y(), 1.0f, 1.0f); return node; #endif }