libop1

A library to manipulate AIFF audio files for the OP-1, and associated command lines programs.

Dependencies

• json.h (vendored)
• libsndfile with a patch on top (here for now)
• cli.cpp (vendored)
• CMake for building this project
• libtool for building the custom libsndfile
• git to get the modified libsndfile
• doxygen for the documentation (optional)

Usage

For now, command line:

op1-drum
  Usage: op1-drum [options] audio-file [audio-file ...] -o output.aif

  Creates an AIFF file for use with an OP-1, with start and end marker
  included in the file.

Flags:
  -help, -h, -?
    Show help
  -fxon
    Whether the effect is on by default or not.
  -lfoon
    Whether the LFO is on by default or not.
  -normalize, -n
    Normalize each sample before creating the output file.
  -debug, -d
    Enabled console debug print outs.

Options:
  -output, -o (required)
    Output file
  -fxtype, -fx
    Effect type, one of 'cwo', 'delay', 'grid', 'nitro', 'phone', 'punch' or
    'spring'. [default: cwo]
  -lfotype, -lfo
    LFO type, one of 'bend', 'crank', 'element', 'midi', 'random', 'tremolo',
    'value'.  [default: element]

op1-dump
  Usage: op1-drum audio-file.aif [audio-file2.aif...]

  Dumps on stdout the proprietary JSON of a OP-1 drum or synth sample.

Flags:
  -help, -h, -?  Show help

Building

OSX or Linux for now.

Run ./deps.sh. That gets the source for the modified libsndfile version, compiles it, and puts it at the right location.

Run cmake ., and make.

Run make doc to build the documentation. It

is generated in doc.

Installation

TODO

License

Copyright (c) 2016 Paul Adenot MIT

Future features

• Synth patches with loop points
• emscripten + web app
• Windows command line utility build