lib/cosy/renderer/midi_gamelan_renderer.rb @@ -35,6 +35,7 @@ Cosy depends on the following Ruby libraries: * midilib * midiator * osc (optional) +* gamelan (optional) To run Cosy you will need to install the gems for those libraries: @@ -48,6 +49,11 @@ Optionally, if you want to use OSC support, you will also need to: gem install osc +Optionally, if you want to use the <a href="http://github.com/jvoorhis/gamelan">Gamelan</a> +scheduler you also need: + + gem install gamelan + ## Running Cosy ## @@ -80,13 +86,12 @@ The closest thing to documentation right now is the online preview at: TODOs: -* Support a mode where octave selection is based on proximity to the previous note - (instead of always using the previous note's octave, stay within a perfect fourth - of the previous note) * Allow independent control over the note duration and the inter-note-onset intervals (i.e. support staccato vs. legato) * A way to change the current octave, pitch, velocity, and duration without outputting anything +* Pre-render to a Timeline object to make rendering and embedding Cosy easier +* Methods for transposition, inversion, retrograde, inverting chords, etc * Allow chains to be formed across scopes. For example, support:<br/> $melody=e:q d c:h; $melody:mp * When chaining, I don't always want the pitch to advance when the @@ -100,6 +105,7 @@ TODOs: * a clean API for manipulating the sequencing tree on-the-fly as the sequencer is running (interactive control as well as self-modifying sequences) * arpeggiators +* pitches from summed intervals across independent parallel sequences a la Numerology * new node traversal behaviors, for example loops that go up/down instead of starting over when the last note is reached README.md @@ -40,6 +40,11 @@ module Cosy ) { |val| options.osc=true } opts.separator "" + opts.on("--gamelan", + "Use the gamelan scheduler." + ) { |val| options.gamelan=true } + + opts.separator "" opts.on("-h", "--help", "Display this help and exit." ) { |val| puts opts.to_s; exit } @@ -83,7 +88,8 @@ else cosy_syntax = "" File.open(input_path) do |file| file.each_line do |line| - if not line[0..1] == "--" # a comment + first_two = line[0..1] + if first_two != "--" and first_two != "##" # a comment cosy_syntax += line end end @@ -98,12 +104,20 @@ begin :output => output_path }).render else - require 'cosy/renderer/midi_renderer' - if options.osc - require 'cosy/renderer/midi_osc_renderer' - clazz = Cosy::MidiOscRenderer + if options.gamelan + require 'cosy/renderer/midi_gamelan_renderer' + clazz = Cosy::MidiGamelanRenderer + # TODO: this won't work with OSC + # I think I should merge all of these options into one renderer that uses + # the gamelan scheduler and supports OSC else - clazz = Cosy::MidiRenderer + require 'cosy/renderer/midi_renderer' + if options.osc + require 'cosy/renderer/midi_osc_renderer' + clazz = Cosy::MidiOscRenderer + else + clazz = Cosy::MidiRenderer + end end clazz.new({ :input => cosy_syntax, bin/cosy @@ -3,6 +3,8 @@ These examples can be converted to a MIDI file with the bin/cosy command. Run bin/cosy with no arguments for usage instructions. -- Cosy input files can have comments by starting a line with two hyphens, --- like this line. +## or two hash marks, like these lines. +### I like to use 3 or more hash marks to avoid any chance of confusion with +### Cosy's #label syntax. examples/README @@ -111,8 +111,7 @@ module Cosy renderer.render stop_time = renderer.time if renderer.time > stop_time end - @time = stop_time - next + @time = stop_time when NoteEvent pitches, velocity, duration = event.pitches, event.velocity, event.duration @@ -153,9 +152,9 @@ module Cosy end end end - STDERR.puts "Unsupported Event: #{event.inspect}" end + end if not @parent lib/cosy/renderer/midi_file_renderer.rb eafb0f070bf72855628b9f70adfe23ba3509c301 Adam Murray adamjmurray@gmail.com http://github.com/adamjmurray/cosy/commit/693185b19d4117b9580e1790734c8a3d69b023f6 693185b19d4117b9580e1790734c8a3d69b023f6 2009-02-10T23:12:20-08:00 2009-02-10T23:12:20-08:00 Finally committed my realtime renderer based on the gamelan scheduler. I really need to refactor those renderer classes... Cosy files now support ## style comments because I hate -- 3df449c1380fc6dacc41c0d64e7ae0a9af32f874 Adam Murray adamjmurray@gmail.com