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Changes On Branch db1df2f46097d171
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Changes In Branch tld Through [db1df2f460] Excluding Merge-Ins

This is equivalent to a diff from 3d4ddcbab5 to db1df2f460

2010-11-17
06:57
Note duration is now counted as fraction of a whole note, as measured based on BPM check-in: 5a35ffdd27 user: spiffytech@gmail.com tags: tld
06:27
TLD now accepts ordering of movements. Also, fixed bug that caused all movements and instruments to play simultaneously. check-in: db1df2f460 user: spiffytech@gmail.com tags: tld
05:32
Now supports minor chords check-in: f02f66468f user: spiffytech@gmail.com tags: tld
00:07
Added support for top-down composition check-in: 7c7ce6adb8 user: spiffytech@gmail.com tags: tld
2010-11-16
19:15
Added todo list Leaf check-in: 3d4ddcbab5 user: spiffytech@gmail.com tags: ply
18:37
Now prints csound code, both notes and chords, replicating the functionality of the original Minimaly Functional Version check-in: 9bd31df856 user: spiffytech@gmail.com tags: ply

Modified cfg.py from [8e359b2146] to [f043e9a785]. 

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#!/usr/bin/env python

import os
import random
import sys
import time
random.seed(time.time())
import parse

def main():
    key = "A"
    note_grammars = {







        "u": ["I V V V I I IV u u", "I IV u u", "I VII IV u u"  , "e"],

        "e": [""],
    }






    chord_grammars = {

        "u": ['"I" "IV" "V" "IV" "I" u u', '"I" "VII" "IV" u u', '"I" "V" "IV" u u', "e"],
        "e": [""]
    }





    compose_piece(key, note_grammars)


    compose_piece(key, chord_grammars, chords=True)


















def compose_piece(key, grammars, chords=False):

    score = ""
    while len(score.split()) < 10:
        score = "u u u"

        score = generate_score(score, grammars)
    score = parse.parse(score)
    score = transliterate_score(score, key, chords)









    score = generate_csound_score(score)






    print "f1  0   256 10  1 0 3   ; sine wave function table"

    for line in score:
        print line


def make_scale(key):
    notes = ["A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#"]
    scale = [key]
    pos = notes.index(key)
    progression = [2,2,1,2,2,2,1]
    for p in progression:
        pos = (pos + p) % 12
        scale.append(notes[pos])
    return scale


def generate_score(score, grammars):
    while 1:
        found_substitution = False
        for key,value in grammars.iteritems():
            if score.find(key) != -1:
                found_substitution = True
                while score.find(key) != -1:
                    score = score.replace(key, random.choice(grammars[key]), 1)
                    if len(score) > 200:
                        score = score.replace("u", "")
                        score = score.replace("e", "")
                        return score
        if found_substitution is False:
            break
    return score

def transliterate_score(score, key, chords=False):
    scale = make_scale(key)
    scale_conversion = {
        "I": 1,
        "II": 2,
        "III": 3,
        "IV": 4,
        "V": 5,
        "VI": 6,
        "VII": 7,
        "VIII": 8,
    }
    keyed_score = []
    if chords is False:
        for i in range(len(score)):

            score[i].value = scale[scale_conversion[score[i].value]-1]
    else:
        for i in range(len(score)):
            chord = []
            root_note_index = scale.index(key) + scale_conversion[score[i].value]
            chord.append(scale[root_note_index])



            chord.append(scale[(root_note_index+3) % 8])
            chord.append(scale[(root_note_index+5) % 8])
            score[i].chord = chord
    return score


def generate_csound_score(score):
    csound_note_values = {
        "C": "00",
        "C#": "01",
        "D": "02",
        "D#": "03",
        "E": "04",
        "F": "05",
        "F#": "06",
        "G": "07",
        "G#": "08",
        "A": "09",
        "A#": "10",
        "B": "11",
    }
    t = 0 
    csound_score = []
    for token in score:
        if isinstance(token, parse.Chord):  # Chords
            for note in token.chord: 
                note = csound_note_values[note]
                csound_score.append("i2 %(time)f 1 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6" % {"time": t, "octave": random.choice([7,8]), "note": note})
            t += 1
        else:  # Individual notes
            note = csound_note_values[token.value]
            csound_score.append("i2 %(time)f 1 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6" % {"time": t, "octave": random.choice([8,9]), "note": note})
            t += .25
    return csound_score


if __name__ == "__main__": main() 












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#!/usr/bin/env python

import os
import random
import sys
import time
random.seed(time.time())
import parse

def main():
    key = "A"

    composition = {
        "a": {  # Movement block 'a' for reuse throughout the piece
            "melody": {  # Instrument 'melody'
                "csound_parameters": {
                    "instrument": 1,
                },
                "grammars": {  # Notes for this instrument to use in this piece
                    "u": ["I V V V I I IV u u", "I IV u u", "I VII IV u u"  , "e"],
#                    "u": ["I I I I u u", "e"],
                    "e": [""],
                },
                "score": "u u u u u",
            },
            "rhythm": {
                "csound_parameters": {
                    "instrument": 1,
                },
                "grammars": {
#                    "u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "I" u u', '"I" "vii" "IV" u u', '"I" "v" "IV" u u', "e"],
                    "u": ['"i" "I" "ii" "II" "v" "V" u', "e"],
                    "e": [""]
                },
                "score": "u u u",
            },
        },
        "b": {
            "melody": {  # Instrument 'melody'
                "csound_parameters": {
                    "instrument": 1,
                },
                "grammars": {  # Notes for this instrument to use in this piece
                    "u": ["I V I I/2 IV/2 u u", "I2 IV u u", "I IV IV VI V u u" , "e"],
#                    "u": ["I IV I V u u u", "e"],
                    "e": [""],
                },
                "score": "u u u",
            },
            "rhythm": {
                "csound_parameters": {
                    "instrument": 1,
                },
                "grammars": {
                    "u": ['"I" "IV"/2 "V"2 "IV" "I" u u', '"I" "VII" "IV" u u', '"I" "V" "IV" u u', "e"],
                    "e": [""]
                },
                "score": "u u u",
            },
        },
    }

    max_t = 0  # max time encountered so far. Used for movement timing
    progression = "a b"
    for comp_name in progression.split():
        instr_start_time = max_t
        for instr_name, instr in composition[comp_name].iteritems():
            generated_score = generate_score(instr["score"], instr["grammars"])  # Fill in the scores by generating them based on the grammars
            score = parse.parse(generated_score)  # Return Node/Chord objects

            # Generate timestamps for the notes 
            t = instr_start_time
            for note in range(len(score)):
                score[note].time = t
                t += score[note].duration
                max_t = t if t > max_t else max_t
#                print "end note,", max_t
            composition[comp_name][instr_name]["score"] = score
#            print "end instr,", max_t

    # Must be done after all note times keyed in, else you can't coordinate melodies with the rhythm chords
    for comp_name in progression.split():
        for instr_name, instr in composition[comp_name].iteritems():
            composition[comp_name][instr_name]["score"] = transliterate_score(composition[comp_name][instr_name]["score"], key)
#            print "\nMovement %s instrument %s" % (comp_name, instr_name)
#            print composition[comp_name][instr_name]["score"] 
            print "f1  0   256 10  1 0 3   ; sine wave function table"
            final_score = generate_csound_score(composition[comp_name][instr_name]["score"])
            for line in final_score:
                print line
            

def make_scale(key):
    notes = ["A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#"]
    scale = [key]
    pos = notes.index(key)
    progression = [2,2,1,2,2,2,1]
    for p in progression:
        pos = (pos + p) % 12
        scale.append(notes[pos])
    return scale


def generate_score(score, grammars):
    while 1:
        found_substitution = False
        for key,value in grammars.iteritems():
            if score.find(key) != -1:
                found_substitution = True
                while score.find(key) != -1:
                    score = score.replace(key, random.choice(grammars[key]), 1)
                    if len(score.split()) > 20:
                        score = score.replace("u", "")
                        score = score.replace("e", "")
                        return score
        if found_substitution is False:
            break
    return score

def transliterate_score(score, key):
    scale = make_scale(key)
    scale_conversion = {
        "I": 1,
        "II": 2,
        "III": 3,
        "IV": 4,
        "V": 5,
        "VI": 6,
        "VII": 7,
        "VIII": 8,
    }
    keyed_score = []

    for i in range(len(score)):
        if isinstance(score[i], parse.Note):
            score[i].value = scale[scale_conversion[score[i].value]-1]
        else:

            chord = []
            root_note_index = scale.index(key) + scale_conversion[score[i].value]
            chord.append(scale[root_note_index])
            if score[i].chord_type == "m":  # Minor chords, flat the 3rd
                chord.append(scale[(root_note_index+2) % 8])
            else:
                chord.append(scale[(root_note_index+3) % 8])
            chord.append(scale[(root_note_index+5) % 8])
            score[i].chord = chord
    return score


def generate_csound_score(score):
    csound_note_values = {
        "C": "00",
        "C#": "01",
        "D": "02",
        "D#": "03",
        "E": "04",
        "F": "05",
        "F#": "06",
        "G": "07",
        "G#": "08",
        "A": "09",
        "A#": "10",
        "B": "11",
    }

    csound_score = []
    for token in score:
        if isinstance(token, parse.Chord):  # Chords
            for note in token.chord: 
                note = csound_note_values[note]
                csound_score.append("i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6" % {"time": token.time, "octave": random.choice([7,8]), "note": note, "duration": token.duration})

        else:  # Individual notes
            note = csound_note_values[token.value]
            csound_score.append("i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6" % {"time": token.time, "octave": random.choice([8,9]), "note": note, "duration": token.duration})

    return csound_score


if __name__ == "__main__": main()

Modified parse.py from [503badc6f2] to [00dc77f47f]. 

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#!/usr/bin/env python

from ply import lex, yacc
class Note():
    def __init__(self, value, duration=.25, octave=8):
        self.value = value
        self.duration = duration
        self.octave = octave
        self.accidental = None
    def __repr__(self):
        return "Note %s %s %s" % (self.value, self.duration, self.octave)

class Chord():
    def __init__(self, value, duration=.25, chord_type="major"):
        self.value = value
        self.duration = duration
        self.chord_type = chord_type
    def __repr__(self):
        return "Chord %s %s %s" % (self.value, self.duration, self.chord_type)
















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#!/usr/bin/env python

from ply import lex, yacc
class Note():
    def __init__(self, value, duration=.25, octave=8):
        self.value = value
        self.duration = duration
        self.octave = octave
        self.accidental = None
    def __repr__(self):
        return "Note %s %s %s" % (self.value, self.duration, self.octave)

class Chord():
    def __init__(self, value, duration=.5, chord_type="major"):
        self.value = value
        self.duration = duration
        self.chord_type = chord_type
    def __repr__(self):
        return "Chord %s %s %s" % (self.value, self.duration, self.chord_type)
︙︙
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        p[0] = new_note


    def p_chord(p):
        '''chord : QUOTE pitch QUOTE
                | QUOTE pitch CHORD_TYPE QUOTE
        '''


        p[0] = Chord(value=p[2].value)
        if len(p) > 3:
            p[0].chord_type = p[3]


    def p_accidental(p):
        '''pitch : ACCIDENTAL pitch
        '''








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        p[0] = new_note


    def p_chord(p):
        '''chord : QUOTE pitch QUOTE
                | QUOTE pitch CHORD_TYPE QUOTE
        '''
        pitch = p[2].value
        pitch = pitch.upper()
        p[0] = Chord(value=pitch)
        if len(p) > 3:
            p[0].chord_type = p[3]


    def p_accidental(p):
        '''pitch : ACCIDENTAL pitch
        '''
︙︙

Modified test.sco from [da39a3ee5e] to [8d380ffb70]. 

































































































































































































































































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f1  0   256 10  1 0 3   ; sine wave function table
i2 0.000000 0.250000 7000 8.09 8.09 0 6
i2 0.250000 0.250000 7000 9.02 9.02 0 6
i2 0.500000 0.250000 7000 9.09 9.09 0 6
i2 0.750000 0.250000 7000 9.04 9.04 0 6
i2 1.000000 0.250000 7000 8.04 8.04 0 6
i2 1.250000 0.250000 7000 8.04 8.04 0 6
i2 1.500000 0.250000 7000 8.09 8.09 0 6
i2 1.750000 0.250000 7000 9.09 9.09 0 6
i2 2.000000 0.250000 7000 8.02 8.02 0 6
i2 2.250000 0.250000 7000 8.09 8.09 0 6
i2 2.500000 0.250000 7000 9.04 9.04 0 6
i2 2.750000 0.250000 7000 8.04 8.04 0 6
i2 3.000000 0.250000 7000 9.04 9.04 0 6
i2 3.250000 0.250000 7000 9.09 9.09 0 6
i2 3.500000 0.250000 7000 9.09 9.09 0 6
i2 3.750000 0.250000 7000 8.02 8.02 0 6
f1  0   256 10  1 0 3   ; sine wave function table
i2 0.000000 0.500000 7000 7.11 7.11 0 6
i2 0.000000 0.500000 7000 7.04 7.04 0 6
i2 0.000000 0.500000 7000 7.08 7.08 0 6
i2 0.500000 0.500000 7000 7.11 7.11 0 6
i2 0.500000 0.500000 7000 8.04 8.04 0 6
i2 0.500000 0.500000 7000 8.08 8.08 0 6
i2 1.000000 0.500000 7000 8.01 8.01 0 6
i2 1.000000 0.500000 7000 7.06 7.06 0 6
i2 1.000000 0.500000 7000 7.09 7.09 0 6
i2 1.500000 0.500000 7000 8.01 8.01 0 6
i2 1.500000 0.500000 7000 7.06 7.06 0 6
i2 1.500000 0.500000 7000 8.09 8.09 0 6
i2 2.000000 0.500000 7000 7.06 7.06 0 6
i2 2.000000 0.500000 7000 8.09 8.09 0 6
i2 2.000000 0.500000 7000 8.01 8.01 0 6
i2 2.500000 0.500000 7000 8.06 8.06 0 6
i2 2.500000 0.500000 7000 8.09 8.09 0 6
i2 2.500000 0.500000 7000 7.01 7.01 0 6
i2 3.000000 0.500000 7000 8.11 8.11 0 6
i2 3.000000 0.500000 7000 8.04 8.04 0 6
i2 3.000000 0.500000 7000 8.08 8.08 0 6
i2 3.500000 0.500000 7000 8.11 8.11 0 6
i2 3.500000 0.500000 7000 7.04 7.04 0 6
i2 3.500000 0.500000 7000 8.08 8.08 0 6
i2 4.000000 0.500000 7000 8.01 8.01 0 6
i2 4.000000 0.500000 7000 7.06 7.06 0 6
i2 4.000000 0.500000 7000 8.09 8.09 0 6
i2 4.500000 0.500000 7000 7.01 7.01 0 6
i2 4.500000 0.500000 7000 7.06 7.06 0 6
i2 4.500000 0.500000 7000 7.09 7.09 0 6
i2 5.000000 0.500000 7000 7.06 7.06 0 6
i2 5.000000 0.500000 7000 7.09 7.09 0 6
i2 5.000000 0.500000 7000 8.01 8.01 0 6
i2 5.500000 0.500000 7000 8.06 8.06 0 6
i2 5.500000 0.500000 7000 8.09 8.09 0 6
i2 5.500000 0.500000 7000 8.01 8.01 0 6
f1  0   256 10  1 0 3   ; sine wave function table
i2 6.000000 2.000000 7000 9.09 9.09 0 6
i2 8.000000 0.250000 7000 9.02 9.02 0 6
i2 8.250000 0.250000 7000 8.09 8.09 0 6
i2 8.500000 0.250000 7000 9.04 9.04 0 6
i2 8.750000 0.250000 7000 8.09 8.09 0 6
i2 9.000000 0.500000 7000 8.09 8.09 0 6
i2 9.500000 0.500000 7000 9.02 9.02 0 6
i2 10.000000 0.250000 7000 9.09 9.09 0 6
i2 10.250000 0.250000 7000 9.02 9.02 0 6
i2 10.500000 0.250000 7000 9.02 9.02 0 6
i2 10.750000 0.250000 7000 8.06 8.06 0 6
i2 11.000000 0.250000 7000 9.04 9.04 0 6
i2 11.250000 0.250000 7000 8.09 8.09 0 6
i2 11.500000 0.250000 7000 9.02 9.02 0 6
i2 11.750000 0.250000 7000 9.02 9.02 0 6
i2 12.000000 0.250000 7000 9.06 9.06 0 6
i2 12.250000 0.250000 7000 8.04 8.04 0 6
f1  0   256 10  1 0 3   ; sine wave function table
i2 6.000000 0.500000 7000 8.11 8.11 0 6
i2 6.000000 0.500000 7000 8.04 8.04 0 6
i2 6.000000 0.500000 7000 8.08 8.08 0 6
i2 6.500000 0.500000 7000 7.04 7.04 0 6
i2 6.500000 0.500000 7000 8.09 8.09 0 6
i2 6.500000 0.500000 7000 8.11 8.11 0 6
i2 7.000000 2.000000 7000 8.06 8.06 0 6
i2 7.000000 2.000000 7000 8.09 8.09 0 6
i2 7.000000 2.000000 7000 8.01 8.01 0 6
i2 9.000000 0.500000 7000 7.04 7.04 0 6
i2 9.000000 0.500000 7000 8.09 8.09 0 6
i2 9.000000 0.500000 7000 7.11 7.11 0 6
i2 9.500000 0.500000 7000 8.11 8.11 0 6
i2 9.500000 0.500000 7000 7.04 7.04 0 6
i2 9.500000 0.500000 7000 7.08 7.08 0 6
i2 10.000000 0.500000 7000 7.11 7.11 0 6
i2 10.000000 0.500000 7000 7.04 7.04 0 6
i2 10.000000 0.500000 7000 8.08 8.08 0 6
i2 10.500000 0.500000 7000 8.04 8.04 0 6
i2 10.500000 0.500000 7000 8.09 8.09 0 6
i2 10.500000 0.500000 7000 7.11 7.11 0 6
i2 11.000000 2.000000 7000 7.06 7.06 0 6
i2 11.000000 2.000000 7000 7.09 7.09 0 6
i2 11.000000 2.000000 7000 8.01 8.01 0 6
i2 13.000000 0.500000 7000 7.04 7.04 0 6
i2 13.000000 0.500000 7000 8.09 8.09 0 6
i2 13.000000 0.500000 7000 8.11 8.11 0 6
i2 13.500000 0.500000 7000 7.11 7.11 0 6
i2 13.500000 0.500000 7000 8.04 8.04 0 6
i2 13.500000 0.500000 7000 8.08 8.08 0 6
i2 14.000000 0.500000 7000 8.11 8.11 0 6
i2 14.000000 0.500000 7000 7.04 7.04 0 6
i2 14.000000 0.500000 7000 7.08 7.08 0 6
i2 14.500000 0.500000 7000 8.06 8.06 0 6
i2 14.500000 0.500000 7000 7.09 7.09 0 6
i2 14.500000 0.500000 7000 7.01 7.01 0 6
i2 15.000000 0.500000 7000 7.04 7.04 0 6
i2 15.000000 0.500000 7000 8.09 8.09 0 6
i2 15.000000 0.500000 7000 8.11 8.11 0 6
i2 15.500000 0.500000 7000 7.11 7.11 0 6
i2 15.500000 0.500000 7000 7.04 7.04 0 6
i2 15.500000 0.500000 7000 7.08 7.08 0 6
i2 16.000000 0.500000 7000 8.04 8.04 0 6
i2 16.000000 0.500000 7000 7.09 7.09 0 6
i2 16.000000 0.500000 7000 8.11 8.11 0 6
i2 16.500000 2.000000 7000 8.06 8.06 0 6
i2 16.500000 2.000000 7000 7.09 7.09 0 6
i2 16.500000 2.000000 7000 8.01 8.01 0 6
i2 18.500000 0.500000 7000 7.04 7.04 0 6
i2 18.500000 0.500000 7000 7.09 7.09 0 6
i2 18.500000 0.500000 7000 8.11 8.11 0 6
i2 19.000000 0.500000 7000 8.11 8.11 0 6
i2 19.000000 0.500000 7000 8.04 8.04 0 6
i2 19.000000 0.500000 7000 7.08 7.08 0 6

Modified todo.org from [9c9ed49773] to [11f927dcbf]. 

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* Features [0/5]
- [ ] Top-down composition
- [ ] Transition the melody between chords appropriately
- [ ] Set maximum song length



* Bugs [0/1]


- [ ] Doesn't handle minor chords









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* Features [1/5]
- [X] Top-down composition
- [ ] Transition the melody between chords appropriately
- [ ] Set maximum song length
- [ ] Need to support all chord types
- [ ] Doesn't handle rest notes

* Bugs [3/5]
- [X] TLD resets clock for each movement
- [X] TLD doesn't accept an ordering for the movements
- [X] Doesn't handle minor chords    
- [ ] Calculated duration is absolute, not relative to BPM
- [ ] Chords don't respect octaves


* Structure [0/3]    
- [ ] Chords should be composed of Notes, not ordinary arrays
- [ ] Generate score with proper generation tools
- [ ] Store csound score lines with instruments

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