Map of Code

Folders

engine = source for the library, synth, players, DLS
examples
export_1mb = header files that contain a General MIDI Instrument library
include = exported headers
jukebox = high level player for queuing songs
qa = unit tests
tests = executables for debugging and manual tests
tools = file conversion, etc.
util = general purpose utilities

Synthesizer

engine/spmidi_voice.h = defines basic voice architecture for an SPMIDI voice
engine/oscillator.c = oscillator with multiple waveforms and reduced aliasing
engine/svfilter.c = State Variable Filter
engine/wavetable.c = wavetable oscillator with bilinear interpolation

Standard MIDI File Support

engine/midifile_parser.c = analyze the file and construct a player context
engine/midifile_player.c = play the tracks of the MIDI file in time order

DLS Parser

engine/dls_articulations.c = convert DLS articulation value to values specific to ME3000
engine/dls_parser.c = main file parser
engine/parse_riff.c = parser for WAV and DLS files
engine/spmidi_dls.c = DLS loader for SPMIDI orchestras

XMF File Support

engine/song_player.c = parse XMF file, load instruments and play it
engine/xmf_parser.c = XMF file parser