THP (File Format)
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THP files are video files used in many Wii games.
File Format
Header
The file starts with a header.
| Offset | Type | Description |
|---|---|---|
| 0x00 | String | File magic. Always THP. in ASCII (0x54485000). |
| 0x04 | UInt32 | Version number. Mario Kart Wii uses 0x11000. |
| 0x08 | UInt32 | Max buffer size. |
| 0x0C | UInt32 | Max audio samples. |
| 0x10 | Float | Frames per second. |
| 0x14 | UInt32 | Number of frames in this file. |
| 0x18 | UInt32 | Length of the first frame. |
| 0x1C | UInt32 | Length of all frames. |
| 0x20 | UInt32 | Offset to components. |
| 0x24 | UInt32 | OffsetsDataOffset. Unknown meaning. |
| 0x28 | UInt32 | First frame offset. |
| 0x2C | UInt32 | Last frame offset. |
Component structure
| Offset | Type | Description |
|---|---|---|
| 0x00 | UInt32 | Number of components. |
| 0x04 | SByte[16] | Component types (0 = video, 1 = audio, -1 = none). |
Video
| Offset | Type | Description |
|---|---|---|
| 0x00 | UInt32 | Width. |
| 0x04 | UInt32 | Height. |
| 0x08 | UInt32 | Video format (only used in version 0x11000). |
Audio
| Offset | Type | Description |
|---|---|---|
| 0x00 | UInt32 | A = Number of audio channels. |
| 0x04 | UInt32 | Frequentie. |
| 0x08 | UInt32 | Number of samples. |
| 0x0C | UInt32 | Number of datas (only used in version 0x11000). |
Frame
A frame start with a frame header.
| Offset | Type | Description |
|---|---|---|
| 0x00 | UInt32 | Next total size. |
| 0x04 | UInt32 | Previous total size. |
| 0x08 | UInt32 | I = Image size. |
| 0x0C | UInt32 | M = Audio size (only exist if the frame contains audio). |
| 0x0C or 0x10 | Image data | |
Video
Video data.
| Offset | Type | Description |
|---|---|---|
| 0x00 | Byte[I] | Image data. |
| I | End of image data | |
Audio
Audio data.
| Offset | Type | Description |
|---|---|---|
| 0x00 | UInt32 | Channel size. |
| 0x04 | UInt32 | Number of samples. |
| 0x08 | Int16[16] | Table 1. |
| 0x28 | Int16[16] | Table 2. |
| 0x48 | Int16 | Channel 1 previous 1. |
| 0x4A | Int16 | Channel 1 previous 2. |
| 0x4C | Int16 | Channel 2 previous 1. |
| 0x4E | Int16 | Channel 2 previous 2. |
| 0x50 | Audio Data | |
| Offset | Type | Description |
|---|---|---|
| 0x00 | Byte[M] | Audio data. |
| M | End of audio data | |
Tools
The following tools can handle THP files:
- BrawlBox, by Kryal and BlackJax96 (only playable)
- THP-Converter, by Lord-Gigantus
- Thwimp, by MrTamkis
- VLC Media Player, by VideoLAN (only playable)
- Wexos's Toolbox, by Wexos (only playable)