def generate(startPitch, duration):
"""generate a sequence of notes note: doesn't quite work since we need to incorporate voice'"""
sequence = []
lastNote = startPitch
#{"st": 8 , "pitch": 67, "dur": 4 , "keysig": -1, "timesig": 12, "fermata": 0},
#lets just say the keysig is -1 for now
for i in range(duration):
time = (i + 1) * 4
note = singleGen(lastNote, probabilities)
toAdd = {
"st": time,
"pitch": note,
"dur": 4,
"keysig": -1,
"timesig": 12,
"fermata": 0
}
toAdd["pitch"] = normalize.denormalize_pitch(toAdd)
sequence.append(toAdd)
lastNote = note
print "Sequence is: "
for note in sequence:
print note
s = "sequence_%s_%s.p" % (startPitch, duration)
#print "Writing note sequence to ", s
#midify the new sequence
midify.midify(sequence, "genoutput%s%s" % (startPitch, duration))
def testRoundTrip(self):
jsonDict = midiTojson.genJson(midifile)
midify.midify(jsonDict, miditempfile)
newJsonDict = midiTojson.genJson("../dataset/midi/" + miditempfile +
".mid")
#remidify
midify.midify(newJsonDict, miditempfile2)
print jsonDict
print "_V" * 40
print newJsonDict
for i in range(0, len(newJsonDict) - 1):
for j in range(0, len(newJsonDict[i]) - 1):
if not newJsonDict[i][j]["pitch"] == jsonDict[i][j]["pitch"]:
print "i :: ", i
print "j :: ", j
print newJsonDict[i][j]
print jsonDict[i][j]
if not newJsonDict[i][j]["dur"] == jsonDict[i][j]["dur"]:
print "i :: ", i
print "j :: ", j
print newJsonDict[i][j]
print jsonDict[i][j]
self.assertEqual(newJsonDict[i][j]["pitch"],
jsonDict[i][j]["pitch"])
self.assertEqual(newJsonDict[i][j]["dur"],
jsonDict[i][j]["dur"])
def chords_to_midi(chords):
"""takes a chord sequence from generate and jsons then midis it"""
#first need to put it in json format (4 voices)
json_dict = [[], [], [], []]
note_template = {
'timesig': None,
'keysig': 0,
'tempo': 90,
'st': 0,
'pitch': None,
'dur': 0,
'fermata': 0
}
chords = map(lambda c: denormalize_chord(c.chord), chords)
for voice in range(len(chords[0])):
cur_note = note_template.copy()
cur_note['pitch'] = chords[0][voice]
for time in range(0, len(chords)):
if chords[time][voice] == cur_note['pitch']:
cur_note['dur'] += 4
else:
json_dict[voice].append(cur_note)
cur_note = note_template.copy()
cur_note['st'] = time * 4
cur_note['pitch'] = chords[time][voice]
cur_note['dur'] = 4
json_dict[voice].append(cur_note)
midify(json_dict)
def chords_to_midi(chords):
"""takes a chord sequence from generate and jsons then midis it"""
#first need to put it in json format (4 voices)
json_dict = [[],[],[],[]]
note_template = {'timesig': None, 'keysig': 0, 'tempo': 90, 'st': 0, 'pitch': None, 'dur': 0, 'fermata': 0}
chords = map(lambda c: denormalize_chord(c.chord), chords)
for voice in range(len(chords[0])):
cur_note = note_template.copy()
cur_note['pitch'] = chords[0][voice]
for time in range(0, len(chords)):
if chords[time][voice] == cur_note['pitch']:
cur_note['dur'] += 4
else:
json_dict[voice].append(cur_note)
cur_note = note_template.copy()
cur_note['st'] = time*4
cur_note['pitch'] = chords[time][voice]
cur_note['dur'] = 4
json_dict[voice].append(cur_note)
midify(json_dict)
def testRoundTrip(self):
jsonDict = midiTojson.genJson(midifile)
midify.midify(jsonDict, miditempfile)
newJsonDict = midiTojson.genJson("../dataset/midi/" + miditempfile + ".mid")
#remidify
midify.midify(newJsonDict, miditempfile2)
print jsonDict
print "_V"*40
print newJsonDict
for i in range(0,len(newJsonDict)-1):
for j in range(0, len(newJsonDict[i])-1):
if not newJsonDict[i][j]["pitch"] == jsonDict[i][j]["pitch"]:
print "i :: ", i
print "j :: ", j
print newJsonDict[i][j]
print jsonDict[i][j]
if not newJsonDict[i][j]["dur"] == jsonDict[i][j]["dur"]:
print "i :: ", i
print "j :: ", j
print newJsonDict[i][j]
print jsonDict[i][j]
self.assertEqual(newJsonDict[i][j]["pitch"], jsonDict[i][j]["pitch"])
self.assertEqual(newJsonDict[i][j]["dur"], jsonDict[i][j]["dur"])
