vdjstems_cli - idek i cant come up with any good names

Explanation

This is basically a tool I made to help extract stems for music that I use to DJ. (and also a quick read on anyone whos interested in where most stem seperation tools work)

Requirements

• Python 3.6+ (3.13.3 seems to work the best)
• FFmpeg
• Definitely a good GPU or CPU (CPU is slower but works)

Fetch Dependencies

pip install -r requirements.txt

Also if you have a NVIDIA GPU (CUDA) or a AMD GPU (ROCm) (idk abt Intel GPUs ¯_(ツ)_/¯ ) go here and paste the command it gives you (needed to better performance)

How to use

python vdjstems.py [audio files or folder(s))] -o [output folder] -m [model]

Context (for this project)

• Have a terrible GPU on my desktop (1050 Ti)
  • its better than my laptop (MX350)
• Run the stem seperation on VirtualDJ
• Realize it doesnt like my gpu without me selecting "Lower priority" or "Prepare with reduced quality" ("Stem engine error" very generic error thx for telling me whats wrong)
• Remember I made beats and I use FL Studio with its built in stem seperation tool
• Do a quick little research on where the files are
• Use winedump on stemextractor.dll (you can find this in (INSERT_FL_USER_FOLDER_LOC)/Downloads/Optional Features/Stem extractor Windows or Documents/Image-Line/Downloads/Optional Features/Stem extractor Windows)
• 
  • demucs - 🤔 that name sounds familiar
• Realizes that FL Studio uses a Facebook (the logo on github is meta but its still called facebookresearch) research project for extracting stems
  • "wait i can do this myself"
  • "now how does VirtualDJ seperate its stems and places it so it can easily use it later"
    • "idk how it seperates it"
• Go find a random song on my laptop that got extracted by VirtualDJ a while ago
  • realizes its still a audio file
  • open VLC
  • 
    • its just a audio file with different audio channels (more precisely a MPEG-4 AAC Matroska file at 48.00 kHz) 🤦
      • i honestly thought it was encoded different but yk (✨ dont reinvent the wheel ✨)
    • "i can easily do this myself with a python script"

Warning

• This project is not affiliated with Image-Line or VirtualDJ.
• May not work on all songs or audio files.