4.OSD叠加学习之左右与上下拼接

最终实现图：

左右拼接

上下拼接

实现思路：

这左右上下拼接思路与前面的横向纵向显示 思路差不多 ，甚至更简单就不多说了（不了解请移步）。

代码编写

/*图片左右拼接*/
int LUX_YUV_ColorSplice(char *file1,char *file2)
{   
    int Ret                 = 0;
    int height              = 0;
    int yuvSize             = LUX_Y_ALL_SIZE * 3;
    const int yAddSize      = 1920;
    const int uvAddSize     = 960;
    const int yAllSize      = 1080*3840;
    const int yWidthSize    = 3840;
    const int uvWidthSize   = 1920;

    char *pOneFileData      = NULL;
    char *ptwoFileData      = NULL;
    char *pOverFileData     = NULL;

    pOneFileData            =(char *)malloc(LUX_Y_ALL_SIZE*3/2);
    ptwoFileData            =(char *)malloc(LUX_Y_ALL_SIZE*3/2);
    pOverFileData           =(char *)malloc(LUX_Y_ALL_SIZE*3);


    Ret = LUX_Open_file(pOneFileData,file1);
    if (-1 == Ret)
    {
        printf("LUX_Open_one_file fail\n"); 
        return -1;  
    }
   
    Ret = LUX_Open_file(ptwoFileData,file2);
    if (-1 == Ret)
    {
        printf("LUX_Open_two_file fail\n"); 
        return -2;  
    }

    for (height = 0;height < 1080;height++)
    {
       
        memcpy(pOverFileData + (height*yWidthSize) ,pOneFileData + height*yAddSize ,yAddSize);
        memcpy(pOverFileData + yAddSize + (height*yWidthSize) ,ptwoFileData+height*yAddSize ,yAddSize);

        memcpy(pOverFileData + yAllSize + height*uvWidthSize ,
                pOneFileData + LUX_Y_ALL_SIZE + height*uvAddSize ,uvAddSize);
        memcpy(pOverFileData + yAllSize + uvAddSize + height*uvWidthSize ,
                ptwoFileData + LUX_Y_ALL_SIZE + height*uvAddSize ,uvAddSize);
    }

    Ret = LUX_file_make(yuvSize,pOverFileData,LUX_YUV_File_Name_Splice);
    if(-1 == Ret)
    {
        printf("LUX_file_make fail");
        return -2;
    }
    
    free(pOneFileData);
    free(ptwoFileData);
    free(pOverFileData);
    return 0;
} 

/*图片上下拼接*/
int LUX_YUV_ColorSpliceUpDowm(char *file1,char *file2)
{   
    int Ret                 = 0;
    int height              = 0;
    int yuvSize             = 2160*1920*3;
    int pictureNum          = 0;

    const int yAllSize      = 2160*1920;
    const int uAllSize      = 540*960;
    const int vAllSize      = 540*960;
    const int yuAllSize     = 2160*1920*5/4;


    char *pOneFileData      = NULL;
    char *ptwoFileData      = NULL;
    char *pOverFileData     = NULL;

    pOneFileData            =(char *)malloc(LUX_Y_ALL_SIZE*3/2);
    ptwoFileData            =(char *)malloc(LUX_Y_ALL_SIZE*3/2);
    pOverFileData           =(char *)malloc(LUX_Y_ALL_SIZE*3);


    Ret = LUX_Open_file(pOneFileData,file1);
    if (-1 == Ret)
    {
        printf("LUX_Open_one_file fail\n"); 
        return -1;  
    }
   
    Ret = LUX_Open_file(ptwoFileData,file2);
    if (-1 == Ret)
    {
        printf("LUX_Open_two_file fail\n"); 
        return -2;  
    }

    /*画第一张图*/
    memcpy(pOverFileData ,pOneFileData ,LUX_Y_ALL_SIZE);
    memcpy(pOverFileData + yAllSize ,pOneFileData + LUX_Y_ALL_SIZE ,uAllSize);
    memcpy(pOverFileData + yuAllSize ,pOneFileData + LUX_YU_ALL_SIZE ,vAllSize);
    /*画第二张图*/
    memcpy(pOverFileData + LUX_Y_ALL_SIZE,ptwoFileData ,LUX_Y_ALL_SIZE);
    memcpy(pOverFileData + yAllSize + uAllSize,ptwoFileData + LUX_Y_ALL_SIZE ,uAllSize);
    memcpy(pOverFileData + yuAllSize + vAllSize,ptwoFileData + LUX_YU_ALL_SIZE ,vAllSize);

    Ret = LUX_file_make(yuvSize,pOverFileData,LUX_YUV_File_Name_point);
    if(-1 == Ret)
    {
        printf("LUX_file_make fail");
        return -2;
    }
    
    free(pOneFileData);
    free(ptwoFileData);
    free(pOverFileData);
    return 0;
}

注:整个工程在最后一起上传。