An utility which converts IMF (Id-Software Music File) format into General MIDI. Created by Wohlstand in 2016 year.

It's a music format based on a sequence of native OPL2 chip values which are sequentially sending into chip registers. The format used in various Id-Software games like Commander Keen and Wolfenstein and in a lot of games made and/or published by Apogee Software company.

GCC:

gcc main.c imf2mid.c -o imf2mid

CLang:

clang main.c imf2mid.c -o imf2mid

MSVC:

cl main.c imf2mid.c /link /out:imf2mid.exe

./imf2mid [option] filename.imf [filename.mid]

• -np - ignore pitch change events
• -nl - disable printing log
• -li - write dump of detected instruments into "instlog.txt" file

Licensed under MIT license

• Add ability to define time multiplication coefficient to allow right alignment of notes per tact
• Add ability to manually declare patch ID per channel
• Add better generation of the drums
• Make more accurate drum velocity detection based on interpolation of attak parameter and note length