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shmrenderer.h

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    shmrenderer.h 2.30 KiB
    /****************************************************************************
     *   Copyright (C) 2012-2015 by Savoir-Faire Linux                          *
     *   Author : Emmanuel Lepage Vallee <emmanuel.lepage@savoirfairelinux.com> *
     *                                                                          *
     *   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 General Public License      *
     *   along with this program.  If not, see <http://www.gnu.org/licenses/>.  *
     ***************************************************************************/
    #ifndef VIDEO_SHM_RENDERER_H
    #define VIDEO_SHM_RENDERER_H
    
    //Base
    #include "video/renderer.h"
    #include "typedefs.h"
    
    //Qt
    class QMutex;
    
    //Ring
    #include "video/device.h"
    
    //Private
    struct SHMHeader;
    
    
    namespace Video {
    class ShmRendererPrivate;
    
    ///Manage shared memory and convert it to QByteArray
    class LIB_EXPORT ShmRenderer : public Renderer {
       #pragma GCC diagnostic push
       #pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
       Q_OBJECT
       #pragma GCC diagnostic pop
    
       public:
          //Constructor
          ShmRenderer (const QByteArray& id, const QString& shmPath, const QSize& res);
          virtual ~ShmRenderer();
    
          //Mutators
          void stopShm  ();
          bool startShm ();
    
          //Getters
          virtual int fps             () const         ;
    
          //Setters
          void setShmPath   (const QString& path);
    
       private:
          QScopedPointer<ShmRendererPrivate> d_ptr;
          Q_DECLARE_PRIVATE(ShmRenderer)
    
       public Q_SLOTS:
          void startRendering();
          void stopRendering ();
    
    
    
    };
    
    }
    
    #endif