Bootanimation is the Xbox loading animation showing at bootup of the console.
The file is stored in XBFS as bootanim.dat.
It uses a proprietary format, likely specific to the AMD GPU.
The file starts with a section header (BOOTANIM_SECTION_HEADER) and then followed by unknown data of size Header->SectionSize.
If the following data starts with the header magic, an additional section follows.
| Offset | Length | Type | Information |
|---|---|---|---|
| 0x00 | 0x04 | uint | Magic (FSEG) |
| 0x04 | 0x04 | uint | SectionIndex |
| 0x08 | 0x04 | uint | SectionSize |
| Offset | Length | Type | Information |
|---|---|---|---|
| 0x00 | 0x?? | ?? | Unknown |