umc_vc1_common.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) 2004-2007 Intel Corporation. All Rights Reserved.
//
//
//          VC-1 (VC1) common
//
*/

#include "umc_defs.h"

#if defined (UMC_ENABLE_VC1_VIDEO_DECODER) || defined (UMC_ENABLE_VC1_SPLITTER) || defined (UMC_ENABLE_VC1_VIDEO_ENCODER)
#include "umc_vc1_common.h"

namespace UMC
{
    namespace VC1Common
    {

        void SwapData(Ipp8u *src, Ipp32u dataSize)
        {
            Ipp32u i;
            Ipp32u counter = 0;
            Ipp32u* pDst = (Ipp32u*)src;
            Ipp32u  iCur = 0;

            for(i = 0; i < dataSize+4; i++)
            {
                if (4 == counter)
                {
                    counter = 0;
                    *pDst = iCur;
                    pDst++;
                    iCur = 0;
                }

                if (0 == counter)
                    iCur = src[i];
                iCur <<= 8;
                iCur |= src[i];
                ++counter;
            }
        }



    }
}
#endif //UMC_ENABLE_VC1_VIDEO_DECODER