vdscript_to_mkvtoolnix

A Python script to convert VirtualDub2 .vdscript cutlists into MKVToolNix-compatible batch cutlists.

Tested With

• Python 3.13.2
• VirtualDub2 (build 44282) .vdscript files
• MKVToolNix GUI v91.0 ("Signs") 64-bit

Features

• Batch Processing: Processes all *.vdscript files in the current directory
• Unified Output: Generates a single batch_cutlist.txt file
• Merge Mode: Optional concatenation mode using + prefixes
• Filename Preservation: Maintains original file names in output

Requirements

• Python 3.x
• VirtualDub/VirtualDub2-generated *.vdscript files

Usage

1. Place vdscript_to_mkvtoolnix.py and your *.vdscript files in the same directory.

2. Open a command prompt in that directory.

3. Run one of the following commands:

   # Basic mode (separate parts)
   python vdscript_to_mkvtoolnix.py
   
   # Merge mode (concatenated parts)
   python vdscript_to_mkvtoolnix.py --merge

Output Format

Example batch_cutlist.txt:

"video1.vdscript"
0-249,750-1249,1500-1766

"video2.vdscript"
500-1249,1750-1999,3000-3499

With merge mode enabled:

"video1.vdscript"
0-249,+750-1249,+1500-1766

"video2.vdscript"
500-1249,+1750-1999,+3000-3499

Using with MKVToolNix GUI

1. Open MKVToolNix GUI
2. Add your video file
3. Go to the Output tab
4. Under Splitting:
   • Select By parts based on frame/field numbers
   • Paste the cutlist string (without quotes/filename) into the input field
5. Start multiplexing

Notes

• The script ignores non-matching files
• Empty ranges are skipped
• Frame numbers are 0-based
• Merge mode adds + to create a single output file with concatenated segments