Exemplos de convert_yuv_to_rgb_pixel em C++ (Cpp)

Exemplo n.º 1

Arquivo: processImage.cpp Projeto: whenjonny/Recording

/*yuv格式转换为rgb格式*/
int ProcessImage::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;
}

Exemplo n.º 2

Arquivo: v4l2grabber.c Projeto: N0NamedGuy/libpointit

static int 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;
    int y0, u, y1, v;
    struct rgb_color rgbc;

    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;

        rgbc = convert_yuv_to_rgb_pixel(y0, u, v);
        rgb[out++] = rgbc.r;
        rgb[out++] = rgbc.g;
        rgb[out++] = rgbc.b;

        rgbc = convert_yuv_to_rgb_pixel(y1, u, v);
        rgb[out++] = rgbc.r;
        rgb[out++] = rgbc.g;
        rgb[out++] = rgbc.b;

    }
    return 0;
}