spiffyscore

Diff
Login

Diff

Differences From Artifact [52bf709d42]:

To Artifact [6468589fde]:


1
2
3
4
5
6
7
8
9
10
11
12
#!/usr/bin/env python

from __future__ import division
import os
import pdb
import random
import sys
import time

import parse
import topsort
import yaml



|
|







1
2
3
4
5
6
7
8
9
10
11
12
#!/usr/bin/env python

from __future__ import division
import ipdb
import os
import random
import sys
import time

import parse
import topsort
import yaml
99
100
101
102
103
104
105























106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122

123
124

125
126
127
128
129
130
131

132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177



178


179
180





181
182








183






184

185
186






187




188
189
190
191
192
193
194
195
                    "duration": 30,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C/4 C/4 C/4 C/4"],
                    },
                },
            },
        },























    }
    print '''f1 0 512 10 1
f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08
f3 0 1025 10 1
t 0 100
    '''

    section_start = 0
#    for section in ["verse1", "verse2"]:
    for section in ["fm_test"]:
        print "; Section " + section
        subsection_start = section_start
        section = composition[section]
        for subsection in ["intro", "body", "outro"]:
            try:
                print "; Subsection " + subsection
                subsection = section[subsection]

                unordered_instrs = []
                for instr in subsection:

                    if not "sync" in subsection[instr]:
                        subsection[instr]["sync"] = None
                    unordered_instrs.append([subsection[instr]["sync"], instr])
                ordered_instrs = topsort.topsort(unordered_instrs)
                ordered_instrs.remove(None)
                pdb.set_trace()
                instrs = []

                for instr in ordered_instrs:
                    print ";Instrument " + instr
                    instr = subsection[instr]
                    sync = None
                    max_time = instr["duration"]
                    instr_score = render_instr(instr, sync, max_time)
                    instrs.append(instr_score)
                    for line in generate_csound_score(instr_score, instr["score_line"], subsection_start):
                        print line
                longest_score = max(instrs, key=lambda i: score_len(i))
                subsection_start += score_len(longest_score)
                section_start += score_len(longest_score)
            except KeyError:
                pass
        


def render_instr(instr, sync, max_time):
    grammars = instr["grammars"]
    for g in instr["grammars"]:
        for i in range(len(grammars[g])):
            grammars[g][i] = parse.parse(grammars[g][i])
    init_node = random.choice(instr["grammars"].keys())
    init_score = random.choice(instr["grammars"][init_node])
    score = init_score
    while True:
        time_remaining = max_time - score_len(score)
        try:
            score = choose_node(score, grammars, time_remaining, sync)
        except ValueError:
            break
    return score


def choose_node(score, grammars, time_remaining, sync):
    if time_remaining <= 0:
        raise ValueError("No time remaining in the score")
    node = None
    node_index = None
    for item in range(len(score)):
        if isinstance(score[item], tree.Tree):
            node = score[item].name
            node_index = item
    if node is None:
        raise ValueError("No more nodes to fill in")
    options = []



    for g in range(len(grammars[node])):


        if score_len(grammars[node][g]) <= time_remaining:
            options.append(grammars[node][g])





    if len(options) == 0:
        raise ValueError("No available grammars that will fit in the score")








    if sync:






        pass

    else:
        phrase = random.choice(options)






    score = score[:node_index-1] + phrase + score[node_index+1:]




    return score


def score_len(score):
    total = 0
    for n in score:
        if not isinstance(n, tree.Tree):
            total += n.duration







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>









|







>


>
|



|
|

>



<

|








|

<
|
<

|
<
|
|
|
<
<
|
|
<
<
<

|
<
<
<
|
<
|
|
<
|
|
|
|
>
>
>
|
>
>
|
|
>
>
>
>
>
|

>
>
>
>
>
>
>
>
|
>
>
>
>
>
>
|
>
|
|
>
>
>
>
>
>
|
>
>
>
>
|







99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160

161
162
163
164
165
166
167
168
169
170
171
172

173

174
175

176
177
178


179
180



181
182



183

184
185

186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
                    "duration": 30,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C/4 C/4 C/4 C/4"],
                    },
                },
            },
        },
        "sync_test": {
            "body": {
                "lead_instr": {  # Instrument 'melody'
                    "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
                    "octave": 8,
                    "duration": 30,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["D/4 D/4 D/4 D/4"],
                        "v": ["C/4 C/4 C/4 C/4"],
                    },
                },
                "follow_instr": {  # Instrument 'melody'
                    "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 1",
                    "sync": "lead_instr",
                    "octave": 8,
                    "duration": 30,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["D/4 D/4 D/4 D/4"],
                        "v": ["C/4 C/4 C/4 C/4"],
                    },
                },
            },
        },
    }
    print '''f1 0 512 10 1
f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08
f3 0 1025 10 1
t 0 100
    '''

    section_start = 0
#    for section in ["verse1", "verse2"]:
    for section in ["sync_test"]:
        print "; Section " + section
        subsection_start = section_start
        section = composition[section]
        for subsection in ["intro", "body", "outro"]:
            try:
                print "; Subsection " + subsection
                subsection = section[subsection]

                unordered_instrs = []
                for instr in subsection:
                    subsection[instr]["name"] = instr
                    if not "sync" in subsection[instr].keys():
                        subsection[instr]["sync"] = None
                    unordered_instrs.append([subsection[instr]["sync"], instr])
                ordered_instrs = topsort.topsort(unordered_instrs)
                ordered_instrs.remove(None)  # None used as a placeholder for sort order for instruments with no sync setting

                instrs = []
                syncs = {}
                for instr in ordered_instrs:
                    print ";Instrument " + instr
                    instr = subsection[instr]

                    max_time = instr["duration"]
                    instr_score, syncs = render_instr(instr, syncs, max_time)
                    instrs.append(instr_score)
                    for line in generate_csound_score(instr_score, instr["score_line"], subsection_start):
                        print line
                longest_score = max(instrs, key=lambda i: score_len(i))
                subsection_start += score_len(longest_score)
                section_start += score_len(longest_score)
            except KeyError:
                pass



def render_instr(instr, syncs, max_time):

    for g in instr["grammars"]:
        for i in range(len(instr["grammars"][g])):

            instr["grammars"][g][i] = parse.parse(instr["grammars"][g][i])

    score= []


    try:
        score, syncs = choose_phrase(instr, syncs, 0, max_time)




        while True:



            score_index_to_replace = None

            for item in range(len(score)):  # Optimize this by caching the index of the last node I replaced and startng there
                if isinstance(score[item], tree.Tree):

                    score_index_to_replace = item
            if score_index_to_replace is None:
                raise ValueError("No more nodes to fill in")

            time_remaining = max_time - score_len(score)
            new_phrase, syncs = choose_phrase(instr, syncs, score_len(score), time_remaining)
            score = score[:node_index-1] + new_phrase + score[node_index+1:]

    except ValueError:
        return (score, syncs)


def choose_phrase(instr, syncs, current_time, time_remaining):
    '''Filters grammars for ones that match the sync option, and phrases that fit the time remaining in the score'''
    time_filtered_grammars = {}
    for grammar in instr["grammars"]:
        time_filtered_grammars[grammar] = get_phrases_that_fit(instr["grammars"][grammar], time_remaining)
    if len(time_filtered_grammars.keys()) == 0:
        raise ValueError("No available grammars that will fit in the score")

    grammar = None
#    if instr["name"] == "follow_instr":
#        ipdb.set_trace()
    if instr["sync"] is not None:
        guiding_instr = instr["sync"]
        sync_node = get_sync_node_at_time(syncs[guiding_instr], current_time)
        if sync_node in time_filtered_grammars.keys():
            grammar = sync_node
    if grammar is None:
        grammar = random.choice(time_filtered_grammars.keys())
    phrases = time_filtered_grammars[grammar]
    if instr["name"] not in syncs.keys():
        syncs[instr["name"]] = []
    syncs[instr["name"]].append({"node": grammar, "time": current_time})

    return random.choice(phrases), syncs


def get_phrases_that_fit(grammar, time_remaining):
    valid_phrases = []
    for phrase in grammar:
        if score_len(phrase) <= time_remaining:
            valid_phrases.append(phrase)
    return valid_phrases


def get_sync_node_at_time(syncs, t):
    for s in range(len(syncs)):
        if syncs[s]["time"] >= t:
            return syncs[s]["node"]


def score_len(score):
    total = 0
    for n in score:
        if not isinstance(n, tree.Tree):
            total += n.duration