# useless-umd-player

![grrr](assets/grrr.png)

![AI Generated](https://raw.githubusercontent.com/dotnetdave/ai-usage-badges/refs/heads/main/badges/png/1x/ai-generated.png)

a standalone player for PSP UMD Video ISO images: open a disc, render its real
menu, and play the movie (H.264 video + ATRAC3+ audio) with mouse and
keyboard/media-key controls.

> **Status:** early development. Currently implemented: ISO 9660/UMD reading,
> `param.sfo` metadata parsing, and file listing.

## Build

Requires JDK 21 (Gradle auto-provisions it via the Foojay toolchain resolver).

```sh
./gradlew build
```

## Run

```sh
./gradlew cli:run --args="dump /path/to/disc.iso"
```

## License

GPL-3.0-or-later — see [LICENSE](LICENSE).