amr_reorder.h

来自「symbian 下的helix player源代码」· C头文件 代码 · 共 67 行

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
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 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
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 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
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 * This file is part of the Helix DNA Technology. RealNetworks is the 
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 * ***** END LICENSE BLOCK ***** */ 

#ifndef AMR_REORDER_H
#define AMR_REORDER_H

#include "hxtypes.h"
#include "amr_flavor.h"

class CAMRBitReorder
{
public:
    CAMRBitReorder(AMRFlavor flavor);
    ~CAMRBitReorder();

    void ToCodec(ULONG32 frameType, UINT8* pInOut);
    void ToNetwork(ULONG32 frameType, UINT8* pInOut);

private:
    void ReorderBits(ULONG32 bitCount, const UINT16* pTbl, 
		     UINT8* pInOut);
    void GenerateTable(ULONG32 frameType);

    void VerifyTable(ULONG32 frameType);
    
    UINT16* m_pToNetworkTbl[2][8];
    
    static const unsigned short* const zm_pToCodecTbl[2][8];

    UINT8* m_pWorkspace;
    AMRFlavor m_flavor;
};

#endif // AMR_REORDER_H