umc_h264_bme.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) 2004 - 2005 Intel Corporation. All Rights Reserved.
//
#ifndef BASIC_H__
#define BASIC_H__

#include "ippdefs.h"
#include "umc_h264_core_enc.h"

#if _MSC_VER>1000
#pragma warning (disable:4244)
#endif

namespace UMC
{

// 4x4 Block differencing
inline void Diff4x4(
    Ipp8u*          pPred,  // predictor pels
    Ipp8u*          pSrc,   // source pels
    const Ipp32u    uPitch, // source pitch
    Ipp16s*     pDiff   // result buffer
)
{
    ippiGetDiff4x4_8u16s_C1(pSrc,uPitch,pPred,16,pDiff,8,0,0,0,0);
}
// The definition for this function has changed to
// a pDiff of type Ipp16s* instead of Ipp32s*  All of the
// functions below need to be updated to match.

// Commented out because it currently won't build this way...
// 4x4 Block add
void Add4x4(
    Ipp8u*          pPred,  // predictor pels
    Ipp32s*     pErr,   // error pels
    const Ipp32u    uPitch, // reconstruct pitch
    Ipp8u*          pRec    // reconstruct block
);

// 4x4 Block copy
inline void Copy4x4(
    Ipp8u*          pSrc,
    const Ipp32u    uPitch,
    Ipp8u*          pDst
)
{
    IppiSize s;
    s.height=4;
    s.width=4;
    ippiCopy_8u_C1R(pSrc,16,pDst,uPitch,s);

}

inline void Copy4x4_PredPitch4(
             Ipp8u*         pSrc,
             const Ipp32u   uPitch,
             Ipp8u*         pDst
             )
{
    IppiSize s;
    s.height=4;
    s.width=4;
    ippiCopy_8u_C1R(pSrc,4,pDst,uPitch,s);

}

// Memcpy
inline void MemCopy(
    Ipp8u *pDst,
    const Ipp8u *pSrc,
    const Ipp32u uHeight,
    const Ipp32u uWidth
)
{
    IppiSize s;
    s.height=uHeight;
    s.width=uWidth;
    ippiCopy_8u_C1R(pSrc,16,pDst,16,s);

}

// Memcpy
inline void SADComp41(
    Ipp16u *ThisSAD,
    Ipp32u *BestSADs,
    T_ECORE_MV *BestMVs,
    T_RefIdx this_ref,
    T_RefIdx *bestRefIdxs,
    T_ECORE_MV *this_pred_MV,
    T_ECORE_MV *best_pred_MV,
    Ipp32s xvec,
    Ipp32s yvec,
    int start,
    int end
)
{
    Ipp32u tempSAD;

    for (int block = start; block < end; ++block)
    {
        tempSAD = (Ipp32u)ThisSAD[block];

        if (tempSAD < BestSADs[block]) {
            BestSADs[block] = tempSAD;
            BestMVs[block].iMVx = (Ipp8s)xvec*SubPelFactor;
            BestMVs[block].iMVy = (Ipp8s)yvec*SubPelFactor;
            bestRefIdxs[block] = this_ref;
            best_pred_MV[block] = this_pred_MV[block];
        }
    }
}

inline void Move_ME_Info(
    Ipp32u *ThisSAD,
    Ipp32u *BestSADs,
    T_ECORE_MV *this_BestMVs,
    T_ECORE_MV *BestMVs,
    T_RefIdx this_ref,
    T_RefIdx *bestRefIdxs,
    T_ECORE_MV *this_pred_MV,
    T_ECORE_MV *best_pred_MV,
    int start,
    int end
)
{
    for (int block = start; block < end; ++block)
    {
        BestSADs[block] = ThisSAD[block];
        BestMVs[block] = this_BestMVs[block];
        bestRefIdxs[block] = this_ref;
        best_pred_MV[block] = this_pred_MV[block];

    }
}



} //namespace UMC

#endif // BASIC_H__