C++ (Cpp) VideoFrame::update Exemples

Exemple #1

Fichier : RecLoopRender.cpp Projet : playmodes/playmodes

void RecLoopRender::draw(){
    VideoFrame * bufferFrame = buffer->getNextVideoFrame();
    VideoFrame * liveFrame   = live->getNextVideoFrame();
    if(bufferFrame!=NULL && liveFrame!=NULL){
        if(!imageAllocated){
            image.allocate(liveFrame->w,liveFrame->h,OF_IMAGE_COLOR);
            imageAllocated=true;
        }

        if(!bufferFrame->isTexAllocated())
            bufferFrame->update(recLoopVoidArgs);
        if(!liveFrame->isTexAllocated())
            liveFrame->update(recLoopVoidArgs);

        ofEnableAlphaBlending();
        ofSetColor(tintR,tintG,tintB,alpha);
        if(minmaxBlend)
            glBlendEquationEXT(GL_MAX);
        else
            glBlendEquationEXT(GL_MIN);

        bufferFrame->getTexture()->draw(0,0);
        liveFrame->getTexture()->draw(0,0);

        image.grabScreen(0,0,liveFrame->w,liveFrame->h);

        //unsigned char * pixels = bufferFrame->getVideoFrame();

        //memcpy(pixels,image.getPixels(),liveFrame->w*liveFrame->h*3*sizeof(unsigned char));

        bufferFrame->getTexture()->loadData(image.getPixels(),liveFrame->w,liveFrame->h,GL_RGB);

        liveFrame->release();

        //bufferFrame->setTexAllocated(false);
        //bufferFrame->update();

        bufferFrame->release();

        ofDisableAlphaBlending();
        glBlendEquationEXT(GL_FUNC_ADD);

    }
}