umc_avs_dec_decompressor_rec_b.cpp

audio-video-codecs.rar语音编解码器

/*
//
//              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) 2007 Intel Corporation. All Rights Reserved.
//
//
*/

#include "umc_defs.h"
#if defined(UMC_ENABLE_AVS_VIDEO_DECODER)

#include "umc_avs_dec_decompressor.h"
#include "umc_avs_picture_header.h"
#include "umc_avs_dec_mb_info.h"
#include "umc_avs_dec_tables.h"
#include "umc_avs_dec_pic.h"

namespace UMC
{

void AVSDecompressor::ReconstructBMacroBlock(void)
{
    Ipp32u chromaQP;

    // compensate luminance motion
    CompensateMotionLumaBMacroBlock();

    // reconstruct luminance blocks
    if (m_pMbInfo->MbCBP & 0x0f)
    {
        ippiReconstructLumaInter_AVS_16s8u_C1R(&m_pReadCoeffs,
                                               m_recCtx.m_pPlanes8u[0],
                                               m_recCtx.m_iPitch,
                                               m_pMbInfo->NumCoeffs,
                                               m_pMbInfo->MbCBP,
                                               m_pMbInfo->QP);
    }

    chromaQP = AVSChromaQPTable[m_pMbInfo->QP];

    // compensate chrominance motion
    CompensateMotionChromaBMacroBlock();

    // reconstruct chrominance blocks
    if (m_pMbInfo->MbCBP & 0x0f0)
    {
        ippiReconstructChromaInter_AVS_16s8u_C1R(&m_pReadCoeffs,
                                                 m_recCtx.m_pPlanes8u[1],
                                                 m_recCtx.m_pPlanes8u[2],
                                                 m_recCtx.m_iPitch,
                                                 m_pMbInfo->NumCoeffs + 4,
                                                 m_pMbInfo->MbCBP >> 4,
                                                 chromaQP);
    }

} // void AVSDecompressor::ReconstructBMacroBlock(void)

} // namespace UMC

#endif // #if defined(UMC_ENABLE_AVS_VIDEO_DECODER)