OSDLMultimediaRenderer.h

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/* 
 * Copyright (C) 2003-2009 Olivier Boudeville
 *
 * This file is part of the OSDL library.
 *
 * The OSDL library is free software: you can redistribute it and/or modify
 * it under the terms of either the GNU Lesser General Public License or
 * the GNU General Public License, as they are published by the Free Software
 * Foundation, either version 3 of these Licenses, or (at your option) 
 * any later version.
 *
 * The OSDL 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 and the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License and of the GNU General Public License along with the OSDL library.
 * If not, see <http://www.gnu.org/licenses/>.
 *
 * Author: Olivier Boudeville (olivier.boudeville@esperide.com)
 *
 */


#ifndef OSDL_MULTIMEDIA_RENDERER_H_
#define OSDL_MULTIMEDIA_RENDERER_H_


#include "OSDLRenderer.h"             // for inheritance

#include <string>




namespace OSDL
{



    namespace Rendering 
    {
    
    
        
        // A video renderer may be used by multimedia renderers.
        class VideoRenderer ;
        
        // An audio renderer may be used by multimedia renderers.
        class AudioRenderer ;
        
        
                
        class OSDL_DLL MultimediaRenderer : public Renderer
        {
        
        
            public:
            
            
            
                explicit MultimediaRenderer( bool registerToScheduler = true ) ;
                
                
                
                virtual ~MultimediaRenderer() throw() ;
            
            

                virtual bool hasVideoRenderer() const ;
                
                
                
                virtual VideoRenderer & getVideoRenderer() const ;
                
                
                
                virtual void setVideoRenderer( 
                    VideoRenderer & newVideoRenderer ) ;
                
                
                
                virtual bool hasAudioRenderer() const ;
                
                
                
                virtual AudioRenderer & getAudioRenderer() const ;
                
                
                
                virtual void setAudioRenderer( 
                    AudioRenderer & newAudioRenderer ) ;
                
                
                
                virtual void render( 
                    Events::RenderingTick currentRenderingTick = 0 ) ;



                virtual void renderVideo( 
                    Events::RenderingTick currentRenderingTick = 0 ) = 0 ;
                
                
                
                virtual void renderAudio( 
                    Events::RenderingTick currentRenderingTick = 0 ) = 0 ;
                
                
                
                virtual void onRenderingSkipped( 
                    Events::RenderingTick skippedRenderingTick ) ;
                
                    
                    
                virtual const std::string toString( 
                    Ceylan::VerbosityLevels level = Ceylan::high ) const ;



                
                    
            protected:
            
                  
                VideoRenderer * _videoRenderer ;
                
                
                
                AudioRenderer * _audioRenderer ;
                
                

            
            private:
            
            
            
                explicit MultimediaRenderer( 
                    const MultimediaRenderer & source ) ;
            
            
            
                MultimediaRenderer & operator = ( 
                    const MultimediaRenderer & source ) ;
                
                
                
        } ;
        

    }

}



#endif // OSDL_MULTIMEDIA_RENDERER_H_

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