umc_video_decoder.cpp

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.
//
*/

#include <string.h>
#include "umc_video_decoder.h"

namespace UMC
{

VideoDecoderParams::VideoDecoderParams(void)
{
    m_pData        = NULL;
    cformat        = NONE;
    lFlags         = FLAG_VDEC_NONE;
    uiLimitThreads = 1;
    lpConvertInit  = NULL;
    lpConvertInitPreview = NULL;

    memset(&info, 0, sizeof(sVideoStreamInfo));


} // VideoDecoderParams::VideoDecoderParams(void)

VideoDecoderParams::~VideoDecoderParams(void)
{

} // VideoDecoderParams::~VideoDecoderParams(void)


Status VideoDecoder::GetInfo(BaseCodecParams *info)
{
    Status umcRes = UMC_OK;
    VideoDecoderParams *pParams = DynamicCast<VideoDecoderParams> (info);

    if (NULL == pParams)
        umcRes = UMC_NULL_PTR;

    if (UMC_OK == umcRes)
    {
        pParams->info = m_ClipInfo;

        if (NULL != pParams->lpConvertInit)
            *pParams->lpConvertInit = m_ConversionParam.ConversionInit;

        if (NULL != pParams->lpConvertInitPreview)
        {
            *pParams->lpConvertInitPreview =
            m_ConversionParamPreview.ConversionInit;
        }
        pParams->lpConverter = m_pConverter;
    }
    return umcRes;

} // Status VideoDecoder::GetInfo(BaseCodecParams *info)

Status VideoDecoder::SetParams(BaseCodecParams* params)
{
    Status umcRes = UMC_OK;
    VideoDecoderParams *pParams = DynamicCast<VideoDecoderParams>(params);

    if (NULL == pParams)
        umcRes = UMC_NULL_PTR;

    if (UMC_OK == umcRes)
    {
        m_ClipInfo = pParams->info;
        if (NULL != pParams->lpConvertInit)
            m_ConversionParam.ConversionInit = *pParams->lpConvertInit;

        if (NULL != pParams->lpConvertInitPreview)
            m_ConversionParamPreview.ConversionInit =
            *pParams->lpConvertInitPreview;

        m_pConverter = pParams->lpConverter;
    }

    return umcRes;

} // Status VideoDecoder::SetParams(BaseCodecParams* params)

} // end namespace UMC