@@ -17,47 +17,54 @@ bps = 60/60 tempo = 1/bps max_duration = 1 composition = { - "overview": { + "verse1": { + "melody": { # Instrument 'melody' + "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2", + "octave": 8, + "duration": 40, + "grammars": { # Notes for this instrument to use in this piece + "u": ["C G/2 G/2 G/2 C B, F' C F C B F (w)"], + "w": ['E/4 A/4 D/4 G/4 F/4 F/4 B2 (u)'], + }, + "score": "u u", + }, + }, + "verse2": { "melody": { # Instrument 'melody' "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2", "octave": 8, "duration": 40, "grammars": { # Notes for this instrument to use in this piece - "u": ["C G/2 G/2 G/2 C B, F' C F C B F (u)"], -# "w": ['E/4 A/4 D/4 G/4 F/4 F/4 B2'], + "u": ["C C C C F/2 F/2 F/2 (u)"], }, "score": "u u", }, }, } 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 60 ''' movement_start = 0 - - - max_t = 0 # max time encountered so far. Used for movement timing - progression = "overview" + progression = "verse1 verse2" for comp_name in progression.split(): - comp_start_time = max_t # We need an arbitrary grammar from this instrument to start the score with max_instr = 0 - movement_start += max_instr for instr_name, instr in composition[comp_name].iteritems(): for grammar in instr["grammars"]: for g in range(len(instr["grammars"][grammar])): instr["grammars"][grammar][g] = parse.parse(instr["grammars"][grammar][g], default_octave=instr["octave"]) g = random.choice(instr["grammars"].keys()) ins_score = random.choice(instr["grammars"][g]) # ins_score = instr["grammars"][g] score_complete = False while score_complete is False: - if score_len(ins_score) >= 50: + if score_len(ins_score) >= 10: score_complete = True break for i in range(len(ins_score)): if isinstance(ins_score[i], tree.Tree): unrolled_score = select_node(instr["grammars"][ins_score[i].name]) @@ -69,39 +76,16 @@ ins_score = [n for n in ins_score if not isinstance(n, tree.Tree)] composition[comp_name][instr_name]["score"] = ins_score - # Generate timestamps for the notes -# t = comp_start_time -# for note in range(len(ins_score)): -# ins_score[note].time = t -# ins_score[note].duration *= tempo -# t += score[note].duration -## print "time difference =", t-comp_start_time -## print "instrument duration =",composition[comp_name][instr_name]["duration"] -# if (t-comp_start_time) > float(composition[comp_name][instr_name]["duration"]): -## print "here" -# ins_score = ins_score[:note] -# break -# max_t = t if t > max_t else max_t -# composition[comp_name][instr_name]["score"] = ins_score - - # 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(): -# print "; Movement:", comp_name -# for instr_name, instr in composition[comp_name].iteritems(): -## print "\nMovement %s instrument %s" % (comp_name, instr_name) -## print composition[comp_name][instr_name]["score"] -# final_score = generate_csound_score(composition[comp_name][instr_name]["score"], composition[comp_name][instr_name]["score_line"]) -# for line in final_score: -# print line - if score_len(ins_score) > max_instr: - max_instr = ins_score + max_instr = score_len(ins_score) for line in generate_csound_score(composition[comp_name][instr_name]["score"], instr["score_line"], movement_start): print line + + movement_start += max_instr def score_len(score): total = 0 for n in score: @@ -146,11 +130,10 @@ "A": "09", "A#": "10", "B": "11", } csound_score = [] - pdb.set_trace() for token in score: if isinstance(token, parse.Chord): # Chords for note in token.chord: note = csound_note_values[note] csound_score.append(score_line % {"time": t, "octave": token.octave, "note": note, "duration": token.duration})