case PIX_FMT_YUV444P9LE:
case PIX_FMT_YUV444P10BE:
case PIX_FMT_YUV444P10LE:
+ case PIX_FMT_UYVY422:
return size().height;
default:
throw PixelFormatError (N_("lines()"), _pixel_format);
return 3;
case PIX_FMT_RGB24:
case PIX_FMT_RGBA:
+ case PIX_FMT_UYVY422:
return 1;
default:
throw PixelFormatError (N_("components()"), _pixel_format);
break;
case PIX_FMT_YUV422P10LE:
case PIX_FMT_YUV422P:
+ case PIX_FMT_UYVY422:
pp_format = PP_FORMAT_422;
break;
case PIX_FMT_YUV444P:
void
Image::make_black ()
{
+ /* U/V black value for 8-bit colour */
+ static uint8_t const eight_bit_uv = (1 << 7) - 1;
+
/* U/V black value for 9-bit colour */
static uint16_t const nine_bit_uv = (1 << 8) - 1;
case PIX_FMT_YUV422P:
case PIX_FMT_YUV444P:
memset (data()[0], 0, lines(0) * stride()[0]);
- memset (data()[1], 0x7f, lines(1) * stride()[1]);
- memset (data()[2], 0x7f, lines(2) * stride()[2]);
+ memset (data()[1], eight_bit_uv, lines(1) * stride()[1]);
+ memset (data()[2], eight_bit_uv, lines(2) * stride()[2]);
break;
case PIX_FMT_YUV422P9LE:
memset (data()[0], 0, lines(0) * stride()[0]);
break;
+ case PIX_FMT_UYVY422:
+ {
+ int const Y = lines(0);
+ int const X = line_size()[0];
+ uint8_t* p = data()[0];
+ for (int y = 0; y < Y; ++y) {
+ for (int x = 0; x < X / 4; ++x) {
+ *p++ = eight_bit_uv; // Cb
+ *p++ = 0; // Y0
+ *p++ = eight_bit_uv; // Cr
+ *p++ = 0; // Y1
+ }
+ }
+ break;
+ }
+
default:
- assert (false);
+ throw PixelFormatError (N_("make_black()"), _pixel_format);
}
}
} else {
return 1;
}
+ case PIX_FMT_UYVY422:
+ return 2;
case PIX_FMT_YUV444P:
return 3;
case PIX_FMT_YUV444P9BE:
case PIX_FMT_YUV444P10BE:
return 6;
default:
- assert (false);
+ throw PixelFormatError (N_("bytes_per_pixel()"), _pixel_format);
}
return 0;