int DeckLinkCaptureDelegate::convert_yuv_to_rgb_pixel(int y, int u, int v){        unsigned int pixel32 = 0;        unsigned char *pixel = (unsigned char *)&pixel32;        int r, g, b;        r = y + (1.370705 * (v-128));        g = y - (0.698001 * (v-128)) - (0.337633 * (u-128));        b = y + (1.732446 * (u-128));        if(r > 255) r = 255;        if(g > 255) g = 255;        if(b > 255) b = 255;        if(r < 0) r = 0;        if(g < 0) g = 0;        if(b < 0) b = 0;        pixel[0] = r ;        pixel[1] = g ;        pixel[2] = b ;        return pixel32;}int DeckLinkCaptureDelegate::convert_yuv_to_rgb_buffer(unsigned char *yuv, unsigned char *rgb, unsigned int width, unsigned int height){        unsigned int in, out = 0;        unsigned int pixel_16;        unsigned char pixel_24[3];        unsigned int pixel32;        int y0, u, y1, v;        for(in = 0; in < width * height * 2; in += 4)        {                pixel_16 =                                yuv[in + 3] << 24 |                                yuv[in + 2] << 16 |                                yuv[in + 1] <<  8 |                                yuv[in + 0];                y0 = (pixel_16 & 0x000000ff);                u  = (pixel_16 & 0x0000ff00) >>  8;                y1 = (pixel_16 & 0x00ff0000) >> 16;                v  = (pixel_16 & 0xff000000) >> 24;                pixel32 = convert_yuv_to_rgb_pixel(y0, u, v);                pixel_24[0] = (pixel32 & 0x000000ff);                pixel_24[1] = (pixel32 & 0x0000ff00) >> 8;                pixel_24[2] = (pixel32 & 0x00ff0000) >> 16;                rgb[out++] = pixel_24[0];                rgb[out++] = pixel_24[1];                rgb[out++] = pixel_24[2];                pixel32 = convert_yuv_to_rgb_pixel(y1, u, v);                pixel_24[0] = (pixel32 & 0x000000ff);                pixel_24[1] = (pixel32 & 0x0000ff00) >> 8;                pixel_24[2] = (pixel32 & 0x00ff0000) >> 16;                rgb[out++] = pixel_24[0];                rgb[out++] = pixel_24[1];                rgb[out++] = pixel_24[2];        }        return 0;}

mrgb = (unsigned char*)malloc(1280 * 720 * 3 * sizeof(char));mImage = new QImage(mrgb, 1280, 720, QImage::Format_RGB888);

convert_yuv_to_rgb_buffer((uchar*)frameBytes,mrgb,1280, 720);mImage->loadFromData((uchar*)mrgb, 1280 * 720 * 3 * sizeof(char));bool bsave = mImage->save("/home/johnson/2.bmp","bmp");