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README.md

UsmToolkit

Tool to convert USM video files into user-friendly formats.

Getting started

To begin with, make sure to install the depedencies ffmpeg and vgmstream. This is platform-specific and can be figured out easily enough.

After that, it's as easy as it can get.

Extracting

UsmToolkit extract <file/folder>

Converting

UsmToolkit convert <file/folder>

For more informations run UsmToolkit extract -h and UsmToolkit convert -h.

Custom conversion parameter

You should find config.json in the folder of the executable. With it, you can completly customize how the extracted file is processed by ffmpeg. The default configuration ships as follows:

Video: Will be copied
Audio: Re-encoded as AC3 at 640kb/s. If the file has 6 channels, they will be merged into stereo
- Left channel: CH1, CH3, CH5 50% volume, CH6
- Right channel: CH2, CH4, CH5 50% volume, CH6
Output is a MP4 file

You can change these settings to your likings, it's standard ffmpeg syntax.

License

UsmToolkit follows the MIT License. It uses code from VGMToolbox.