umc_color_space_converter_deinterlace.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 <ippi.h>
#include <ippvc.h>
#include <ippcc.h>
#include "umc_color_space_converter.h"

namespace UMC
{

void ColorSpaceConverter::DeinterlaceFrame(ColorConversionParams &ConvertParam)
{
    // check applicable format(s)
    if ((YUY2 == ConvertParam.ConversionInit.FormatDest) ||
        (UYVY == ConvertParam.ConversionInit.FormatDest) ||
        (RGB24 == ConvertParam.ConversionInit.FormatDest) ||
        (RGB32 == ConvertParam.ConversionInit.FormatDest))
    {
        vm_var32 lWidth;

        switch (ConvertParam.ConversionInit.FormatDest)
        {
        case YUY2:
        case UYVY:
            lWidth = ConvertParam.ConversionInit.SizeSource.width * 2;
            break;

        case RGB24:
            lWidth = ConvertParam.ConversionInit.SizeSource.width * 3;
            break;

        case RGB32:
            lWidth = ConvertParam.ConversionInit.SizeSource.width * 4;
            break;

        default:
            lWidth = ConvertParam.ConversionInit.SizeSource.width;
            break;
        };

        IppiSize roi = {lWidth,
                            ConvertParam.ConversionInit.SizeDest.height};
        ippiDeinterlaceFilterTriangle_8u_C1R(ConvertParam.lpSource0,
                                            ConvertParam.PitchSource0,
                                            ConvertParam.lpDest0,
                                            ConvertParam.PitchDest0,
                                            roi, 128,
                                            IPP_LOWER | IPP_UPPER | IPP_CENTER);
    }
    else if (YV12 == ConvertParam.ConversionInit.FormatDest)
    {
       IppiSize roiLuma = {ConvertParam.ConversionInit.SizeDest.width,
                            ConvertParam.ConversionInit.SizeDest.height};

       IppiSize roiChroma = {ConvertParam.ConversionInit.SizeDest.width / 2,
                            ConvertParam.ConversionInit.SizeDest.height / 2};

       ippiDeinterlaceFilterTriangle_8u_C1R(ConvertParam.lpSource0,
                                            ConvertParam.PitchSource0,
                                            ConvertParam.lpDest0,
                                            ConvertParam.PitchDest0,
                                            roiLuma, 128,
                                            IPP_LOWER | IPP_UPPER | IPP_CENTER);

       ippiDeinterlaceFilterTriangle_8u_C1R(ConvertParam.lpSource1,
                                            ConvertParam.PitchSource1,
                                            ConvertParam.lpDest1,
                                            ConvertParam.PitchDest1,
                                            roiChroma, 128,
                                            IPP_LOWER | IPP_UPPER | IPP_CENTER);

       ippiDeinterlaceFilterTriangle_8u_C1R(ConvertParam.lpSource2,
                                            ConvertParam.PitchSource2,
                                            ConvertParam.lpDest2,
                                            ConvertParam.PitchDest2,
                                            roiChroma, 128,
                                            IPP_LOWER | IPP_UPPER | IPP_CENTER);
    }
    else if (NV12 == ConvertParam.ConversionInit.FormatDest)
    {
       IppiSize roiLuma = {ConvertParam.ConversionInit.SizeDest.width,
                            ConvertParam.ConversionInit.SizeDest.height};

       IppiSize roiChroma = {ConvertParam.ConversionInit.SizeDest.width,
                            ConvertParam.ConversionInit.SizeDest.height / 2};

       ippiDeinterlaceFilterTriangle_8u_C1R(ConvertParam.lpSource0,
                                            ConvertParam.PitchSource0,
                                            ConvertParam.lpDest0,
                                            ConvertParam.PitchDest0,
                                            roiLuma, 128,
                                            IPP_LOWER | IPP_UPPER | IPP_CENTER);

       ippiDeinterlaceFilterTriangle_8u_C1R(ConvertParam.lpSource1,
                                            ConvertParam.PitchSource1,
                                            ConvertParam.lpDest1,
                                            ConvertParam.PitchDest1,
                                            roiChroma, 128,
                                            IPP_LOWER | IPP_UPPER | IPP_CENTER);

    };

} // void ColorSpaceConverter::DeinterlaceFrame(ColorConversionParams &ConvertParam)

} // end namespace UMC