umc_dv_internal.h

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*
//              INTEL CORPORATION PROPRIETARY INFORMATION
//  This software is supplied under the terms of a license  agreement or
//  nondisclosure agreement with Intel Corporation and may not be copied
//  or disclosed except in  accordance  with the terms of that agreement.
//    Copyright (c) 2003-2005 Intel Corporation. All Rights Reserved.
//
//
*/

#ifndef __UMC_DV_INTERNAL_H
#define __UMC_DV_INTERNAL_H

#include "umc_dv_sequence.h"

namespace UMC
{

// See details in ippi manual, Function HuffmanDecodeSegment_DV
class BlockParam
{
public:
    unsigned int : 4;                                           // empty bits
    unsigned int cl : 2;                                        // quantization class of block
    unsigned int m0 : 1;                                        // type of block
    unsigned int : 9;                                           // empty bits
    unsigned int qno : 4;                                       // quantization number of block
    unsigned int : 12;                                          // empty bits
};

inline
unsigned char SaturateByte(int lValue)
{
    if (255 < lValue)
        return 255;
    else if (0 > lValue)
        return 0;

    return static_cast<unsigned char> (lValue);

} // unsigned char SaturateByte(int lValue)

class VideoData;
void SetOutputPointersDV(ColorConversionParams &ConversionParam, VideoData *output);

} // end namespace UMC

#endif // __UMC_DV_INTERNAL_H