frame_decompress.h

/* ***** BEGIN LICENSE BLOCK *****
*
* $Id: frame_decompress.h,v 1.3 2005/01/30 05:11:41 gabest Exp $ $Name:  $
*
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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
* with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
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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.
*
* 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_DECOMPRESS_H_
#define _FRAME_DECOMPRESS_H_

#include "libdirac_common/frame_buffer.h"
#include "libdirac_common/common.h"

namespace dirac
{

    class FrameDecompressor{
    public:

        FrameDecompressor(DecoderParams& decp, ChromaFormat cf);


        ~FrameDecompressor();


        bool Decompress(FrameBuffer& my_buffer);


        bool ReadFrameHeader(const FrameBuffer& my_buffer);

        const FrameParams& GetFrameParams() const{ return m_fparams; }

    private:

        FrameDecompressor(const FrameDecompressor& cpy);


        FrameDecompressor& operator=(const FrameDecompressor& rhs);

        void CompDecompress(FrameBuffer& my_buffer,int fnum, CompSort cs);

        bool ReadFrameHeader(FrameParams& fparams);

        //Member variables    

        DecoderParams& m_decparams;

        ChromaFormat m_cformat;

        bool m_skipped;

        bool m_use_global;

        bool m_use_block_mv;

        PredMode m_global_pred_mode;

        FrameParams m_fparams;

        bool m_read_header;

    };

} // namespace dirac

#endif

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