YUV转换成RGB算法

YUV转换成RGB

void yuvtorgb ( double *rgb,unsigned char *yuv)
{
     int i;
     rgb[] = ] +  + ] - );                   // r
     rgb[] = ] - ] - ) - ]-);  // g
     rgb[] = ] + ]-) + ;                            // b
     ;i<;i++)
     {
        )
            rgb[i] = ;
        )
            rgb[i] = ;
     }
}

YUV422转换成RGB

void yuv422convertrgb(unsigned char *yuv_ptr,unsigned char *rgb_ptr,int width,int height)
{
    int     i,j,k;
    int     framesize_rgb;
    ];
    unsigned ];
    unsigned char    *prgb,*pyuv;

    framesize_rgb = width * height * ;

    prgb = rgb_ptr;
    pyuv = yuv_ptr;

    prgb = rgb_ptr + framesize_rgb - width * ;
    pyuv++;

    ;j<height;j++)
    {
        k = ;
        ;i<width*;i+=,k++)
        {
            == )
            {
                yuv[] = *pyuv--;
                yuv[] = *pyuv++;
                yuv[] = *(++pyuv);
                pyuv++;
            }
            else
            {
                yuv[] = *pyuv++;
                yuv[] = *pyuv--;
                yuv[] = *(--pyuv);
                pyuv++;
                pyuv++;
                pyuv++;
            }
            yuvtorgb(rgb,yuv);
            *prgb++ = (unsigned ];
            *prgb++ = (unsigned ];
            *prgb++ = (unsigned ];
        }
        prgb -= width *  * ;
    }
}