| Index1 | Tag Name |
Writable | Values / Notes |
|---|
| 4 |
PixelFormat |
no |
[val >> 13 & 0x7]
0 = Grayscale
1 = 4:2:0 (chroma at 0.5, 0.5)
2 = 4:2:2 (chroma at 0.5, 0)
3 = 4:4:4
4 = 4:2:0 (chroma at 0, 0.5)
5 = 4:2:2 (chroma at 0, 0) |
|
| 4.1 |
Alpha |
no |
[val & 0x1004]
0x0 = No Alpha Plane
0x4 = Alpha Exists (W color component)
0x1000 = Alpha Exists (color not premultiplied)
0x1004 = Alpha Exists (color premultiplied) |
| 4.2 |
BitDepth |
no |
[val >> 8 & 0xf] |
| 4.3 |
ColorSpace |
no |
[val >> 4 & 0xf]
0 = YCbCr (BT 601)
1 = RGB
2 = YCgCo
3 = YCbCr (BT 709)
4 = YCbCr (BT 2020)
5 = BT 2020 Constant Luminance |
|
| 4.4 |
Flags |
no |
[val & 0xb]
Bit 0 = Animation
Bit 1 = Limited Range
Bit 3 = Extension Present |
| 6 |
ImageWidth |
no |
|
| 7 |
ImageHeight |
no |
|
| 8 |
ImageLength |
no |
|
|