Appendix A. Pixels in Memory
This appendix
provides examples of the more common in-memory pixel formats and their
corresponding ML parameters:
This
section discusses the following:
8-bit Greyscale (1 Byte Per Pixel)
byte 0
7 0
+------+
YYYYYYYY |
Parameters:
| ML_PACKING_8 |
| ML_COLORSPACE_CbYCr_* |
| ML_SAMPLING_400 |
Padded 12-bit Greyscale (1 Short Per Pixel)
short 0
15 0
+--------------+
ssssYYYYYYYYYYYY |
Parameters:
| ML_PACKING_S12in16R |
| ML_COLORSPACE_CbYCr_* |
| ML_SAMPLING_400 |
This section
discusses the following:
8-bit RGB (3 Bytes Per Pixel)
byte 0 byte 1 byte 2
7 0 7 0 7 0
+------+ +------+ +------+
RRRRRRRR GGGGGGGG BBBBBBBB |
Parameters:
| ML_PACKING_8 |
| ML_COLORSPACE_RGB_* |
| ML_SAMPLING_444 |
8-bit BGR (3 Bytes Per Pixel)
byte 0 byte 1 byte 2
7 0 7 0 7 0
+------+ +------+ +------+
BBBBBBBB GGGGGGGG RRRRRRRR |
Parameters:
| ML_PACKING_8_R |
| ML_COLORSPACE_RGB_* |
| ML_SAMPLING_444 |
8-bit RGBA (4 Bytes Per Pixel)
byte 0 byte 1 byte 2 byte 3
7 0 7 0 7 0 7 0
+------+ +------+ +------+ +------+
RRRRRRRR GGGGGGGG BBBBBBBB AAAAAAAA |
Parameters:
| ML_PACKING_8 |
| ML_COLORSPACE_RGB_* |
| ML_SAMPLING_4444 |
8-bit ABGR (4 Bytes Per Pixel)
byte 0 byte 1 byte 2 byte3
7 0 7 0 7 0 7 0
+------+ +------+ +------+ +------+
AAAAAAAA BBBBBBBB GGGGGGGG RRRRRRRR |
Parameters:
| ML_PACKING_8_R |
| ML_COLORSPACE_RGB_* |
| ML_SAMPLING_444 |
10-bit RGB (One 32-bit Integer Per Pixel)
31 int 0
+------------------------------+
RRRRRRRRRRGGGGGGGGGGBBBBBBBBBB00 |
Parameters:
| ML_PACKING_10_10_10_2 |
| ML_COLORSPACE_RGB_* |
| ML_SAMPLING_444 |
10-bit RGBA (One 32-bit Integer Per Pixel)
31 int 0
+------------------------------+
RRRRRRRRRRGGGGGGGGGGBBBBBBBBBBAA |
Parameters:
| ML_PACKING_10_10_10_2 |
| ML_COLORSPACE_RGB_* |
| ML_SAMPLING_4444 |
12-bit RGBA (6 Bytes Per Pixel)
byte 0 byte 1 byte 2 byte 3 byte 4 byte 5
7 0 7 0 7 0 7 0 7 0 7 0
+------+ +------+ +------+ +------+ +------+ +------+
RRRRRRRR RRRRGGGG GGGGGGGG BBBBBBBB BBBBAAAA AAAAAAAA |
Parameters:
| ML_PACKING_S12 |
| ML_COLORSPACE_RGB_* |
| ML_SAMPLING_4444 |
Padded 12-bit RGB (Three 16-bit shorts per pixel)
short 0 short 1 short 2
15 0 15 0 15 0
+--------------+ +--------------+ +--------------+
ssssRRRRRRRRRRRR ssssGGGGGGGGGGGG ssssBBBBBBBBBBBB |
Parameters:
| ML_PACKING_S12in16R |
| ML_COLORSPACE_RGB_* |
| ML_SAMPLING_444 |
Padded 12-bit RGBA (Four 16-bit Shorts Per Pixel)
short 0 short 1 short 2 short 3
15 0 15 0 15 0 15 0
+--------------+ +--------------+ +--------------+ +--------------+
ssssRRRRRRRRRRRR ssssGGGGGGGGGGGG ssssBBBBBBBBBBBB ssssAAAAAAAAAAAA |
Parameters:
| ML_PACKING_S12in16R |
| ML_COLORSPACE_RGB_* |
| ML_SAMPLING_4444 |
This section
discusses the following:
8-bit CbYCr (3 Bytes Per Pixel)
byte 0 byte 1 byte 2
7 0 7 0 7 0
+------+ +------+ +------+
bbbbbbbb YYYYYYYY rrrrrrrr |
Parameters:
| ML_PACKING_8 |
| ML_COLORSPACE_CbYCr_* |
| ML_SAMPLING_444 |
8-bit CbYCrA (4 Bytes Per Pixel)
byte 0 byte 1 byte 2 byte 3
7 0 7 0 7 0 7 0
+------+ +------+ +------+ +------+
bbbbbbbb YYYYYYYY rrrrrrrr AAAAAAAA |
Parameters:
| ML_PACKING_8 |
| ML_COLORSPACE_CbYCr_* |
| ML_SAMPLING_4444 |
10-bit CbYCr (One 32-bit Integer Per Pixel)
31 int 0
+------------------------------+
bbbbbbbbbbYYYYYYYYYYrrrrrrrrrr00 |
Parameters:
| ML_PACKING_10_10_10_2 |
| ML_COLORSPACE_CbYCr_* |
| ML_SAMPLING_444 |
10-bit CbYCrA (One 32-bit Integer Per Pixel)
31 int 0
+------------------------------+
bbbbbbbbbbYYYYYYYYYYrrrrrrrrrrAA |
Parameters:
| ML_PACKING_10_10_10_2 |
| ML_COLORSPACE_CbYCr_* |
| ML_SAMPLING_4444 |
Padded 12-bit CbYCrA (Four 16-bit Shorts Per Pixel)
short 0 short 1 short 2 short 3
15 0 15 0 15 0 15 0
+--------------+ +--------------+ +--------------+ +--------------+
ssssbbbbbbbbbbbb ssssYYYYYYYYYYYY ssssrrrrrrrrrrrr ssssAAAAAAAAAAAA |
Parameters:
| ML_PACKING_S12in16R |
| ML_COLORSPACE_CbYCr_* |
| ML_SAMPLING_4444 |
This
section discusses the following:
10-bit 422 CbYCr (5 Bytes Per 2 Pixels)
byte 0 byte 1 byte 2 byte 3 byte 4
7 0 7 0 7 0 7 0 7 0
+------+ +------+ +------+ +------+ +------+
bbbbbbbb bbYYYYYY YYYYrrrr rrrrrrYY YYYYYYYY |
pixel 1
++++++++ ++++++++ ++++++++ ++++++ |
pixel 2
++++++++ ++ ++++ ++++++++ ++++++++ |
Parameters:
| ML_PACKING_10 |
| ML_COLORSPACE_CbYCr_* |
| ML_SAMPLING_422 |
10-bit 422 CbYCr (5 Bytes Per 2 Pixels)
byte 0 byte 1 byte 2 byte 3 byte 4
7 0 7 0 7 0 7 0 7 0
+------+ +------+ +------+ +------+ +------+
bbbbbbbb bbYYYYYY YYYYrrrr rrrrrrYY YYYYYYYY |
pixel 1
++++++++ ++++++++ ++++++++ ++++++ |
pixel 2
++++++++ ++ ++++ ++++++++ ++++++++ |
Parameters:
| ML_PACKING_10_R |
| ML_COLORSPACE_CbYCr_* |
| ML_SAMPLING_422 |
Padded 12-bit 422 CbYCr (Four 16-bit Shorts Per 2 Pixels)
short 0 short 1 short 2 short 3
15 0 15 0 15 0 15 0
+--------------+ +--------------+ +--------------+ +--------------+
ssssbbbbbbbbbbbb ssssYYYYYYYYYYYY ssssrrrrrrrrrrrr ssssYYYYYYYYYYYY |
pixel 1
++++++++++++++++ ++++++++++++++++ ++++++++++++++++ |
pixel 2
++++++++++++++++ ++++++++++++++++ ++++++++++++++++ |
Parameters:
| ML_PACKING_S12in16R |
| ML_COLORSPACE_CbYCr_* |
| ML_SAMPLING_422 |
10-bit 4224 CbYCrA (Two 32-bit Integers Per 2 Pixels)
31 int 0 0 31 int 1 0
+------------------------------+ +------------------------------+
bbbbbbbbbbYYYYYYYYYYAAAAAAAAAA00 rrrrrrrrrrYYYYYYYYYYAAAAAAAAAA00 |
pixel 1
++++++++++++++++++++++++++++++ ++++++++++ |
pixel 2
++++++++++ ++++++++++++++++++++++++++++++ |
Parameters:
| ML_PACKING_10_10_10_2 |
| ML_COLORSPACE_CbYCr_* |
| ML_SAMPLING_4224 |