umc_color_space_converter.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) 2003-2005 Intel Corporation. All Rights Reserved.
//
*/

#ifndef __COLOR_SPACE_CONVERTER_H
#define __COLOR_SPACE_CONVERTER_H

#include "umc_base_color_space_converter.h"

namespace UMC
{

#undef DECLARE_CONVERTION_MEMBER
#define DECLARE_CONVERTION_MEMBER(type_in, type_out)            \
    void ConvertFrom_##type_in##_To_##type_out(ColorConversionParams &ConvertParam);

#undef DECLARE_CONVERTION_MEMBERS
#define DECLARE_CONVERTION_MEMBERS(type_in)                     \
    DECLARE_CONVERTION_MEMBER(type_in, YV12)                    \
    DECLARE_CONVERTION_MEMBER(type_in, NV12)                    \
    DECLARE_CONVERTION_MEMBER(type_in, YCbCr)                   \
    DECLARE_CONVERTION_MEMBER(type_in, CbYCr)                   \
    DECLARE_CONVERTION_MEMBER(type_in, YUV411)                  \
    DECLARE_CONVERTION_MEMBER(type_in, YUV420)                  \
    DECLARE_CONVERTION_MEMBER(type_in, YUV420M)                 \
    DECLARE_CONVERTION_MEMBER(type_in, RGB32)                   \
    DECLARE_CONVERTION_MEMBER(type_in, RGB24)                   \
    DECLARE_CONVERTION_MEMBER(type_in, RGB565)                  \
    DECLARE_CONVERTION_MEMBER(type_in, RGB555)                  \
    DECLARE_CONVERTION_MEMBER(type_in, RGB444)

class ColorSpaceConverter : public BaseColorSpaceConverter
{
public:
    // Default constructor
    ColorSpaceConverter();
    // Destructor
    virtual ~ColorSpaceConverter();

    // Initialize space converter
    virtual Status Init(ColorConversionInfo &InitParam);
    // Begin color conversion
    virtual Status BeginFrame(ColorConversionParams *lpConvertParam);
    // Convert image(s)
    virtual Status ConvertFrame(ColorConversionParams *lpConvertParam);
    // Convert slice of image(s)
    virtual Status ConvertSlice(ColorConversionParams *lpConvertParam, vm_var32 lSliceNum);
    // End color conversion
    virtual Status CloseFrame(ColorConversionParams *lpConvertParam);
    // Initialize space converter
    virtual Status Close(void);

protected:

    // Allocate primary internal buffer
    bool AllocateInternalBuffer(size_t lSize){return AllocateInternalBuffer(lSize, m_lBufferSize, m_lpvBuffer);};
    // Allocate internal buffer
    bool AllocateInternalBuffer(size_t lSize, size_t &lBufferSize, void * &lpvBuffer);
    // Check parameter(s)
    Status CheckParameters(ColorConversionParams &Param);
    // Perform convert frame and deinterlace
    Status ConvertFrameAndDeinterlace(ColorConversionParams &Param);
    // Deinterlace converted frame
    void DeinterlaceFrame(ColorConversionParams &ConvertParam);

    void *m_lpvBuffer;                                          // (void *) pointer to internal buffer
    size_t m_lBufferSize;                                       // (size_t) size of internal buffer

    void *m_lpvAdditional;                                      // (void *) pointer to additional internal buffer
    size_t m_lAdditionalSize;                                   // (size_t) size of additional internal buffer

    void *m_lpvDeinterlace;                                     // (void *) pointer to deinterlace internal buffer
    size_t m_lDeinterlaceSize;                                  // (size_t) size of deinterlace internal buffer

    // Declare convertion to YV12 format (planar)
    DECLARE_CONVERTION_MEMBERS(YV12)

    // Declare convertion to NV12 format (planar, U & V merged)
    DECLARE_CONVERTION_MEMBERS(NV12)

    // Declare convertion to YUY2 format (interleaved)
    DECLARE_CONVERTION_MEMBERS(YCbCr)

    // Declare convertion to UYVY format (interleaved)
    DECLARE_CONVERTION_MEMBERS(CbYCr)

    // Declare convertion to YCbCr411 format (planar)
    DECLARE_CONVERTION_MEMBERS(YUV411)

    // Functions to return internal buffer (special trained people use only)
    DECLARE_CONVERTION_MEMBERS(YUV420)

    // Functions to return internal buffer (special trained people use only)
    DECLARE_CONVERTION_MEMBERS(YUV420M)

    // Declare convertion to BGRA format (interleaved)
    DECLARE_CONVERTION_MEMBERS(RGB32)

    // Declare convertion to BGR format (interleaved)
    DECLARE_CONVERTION_MEMBERS(RGB24)

    // Declare convertion to BGR format (interleaved)
    DECLARE_CONVERTION_MEMBERS(RGB565)

    // Declare convertion to BGR format (interleaved)
    DECLARE_CONVERTION_MEMBERS(RGB555)

    // Declare convertion to BGRA format (interleaved)
    DECLARE_CONVERTION_MEMBERS(RGB444)

    // some custom conversions not exist in IPP libraries

    void ResizeRGB24(ColorConversionParams &ConvertParam);
    void ResizeYV12(ColorConversionParams &ConvertParam);
    void ResizeNV12(ColorConversionParams &ConvertParam);
    void ResizeCbYCr(ColorConversionParams &ConvertParam);
    void ResizeYCbCr(ColorConversionParams &ConvertParam);

};

#undef DECLARE_CONVERTION_MEMBERS

#undef DECLARE_CONVERTION_MEMBER

} // end namepsace UMC

#endif // __COLOR_SPACE_CONVERTER_H