frame_compress.h

/* ***** BEGIN LICENSE BLOCK *****
*
* $Id: frame_compress.h,v 1.2 2005/01/30 05:11:41 gabest Exp $ $Name:  $
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in compliance
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* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
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* The Original Code is BBC Research and Development code.
*
* The Initial Developer of the Original Code is the British Broadcasting
* Corporation.
* Portions created by the Initial Developer are Copyright (C) 2004.
* All Rights Reserved.
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* Contributor(s): Thomas Davies (Original Author),
*                 Scott R Ladd,
*                 Anuradha Suraparaju
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#ifndef _FRAME_COMPRESS_H_
#define _FRAME_COMPRESS_H_

#include <libdirac_common/frame_buffer.h>
#include <libdirac_common/common.h>
#include <libdirac_common/motion.h>
namespace dirac
{

    class MvData;


    class FrameCompressor
    {
    public:

        FrameCompressor( EncoderParams& encp ); 

        ~FrameCompressor( );

        void Compress( FrameBuffer& fbuffer , const FrameBuffer& orig_buffer , int fnum );

        bool IsSkipped(){ return m_skipped; }

        bool IsMEDataAvail() const { return m_medata_avail; }

        const MEData* GetMEData() const;

    private:

        FrameCompressor( const FrameCompressor& cpy );


        FrameCompressor& operator=(const FrameCompressor& rhs);

        void WriteFrameHeader(const FrameParams& fparams);

        //member variables
        // a local copy of the encoder params
        EncoderParams& m_encparams;
     
        // Pointer to the motion vector data
        MEData* m_me_data;

        // True if the frame has been skipped, false otherwise
        bool m_skipped;                

        // True if we use global motion vectors, false otherwise
        bool m_use_global;

        // True if we use block motion vectors, false otherwise
        bool m_use_block_mv;
        
        // Prediction mode to use if we only have global motion vectors
        PredMode m_global_pred_mode;
        
        // True if motion estimation data is available
        bool m_medata_avail;
    };

} // namespace dirac

#endif

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