def remapTrack(self, tobj, tau=None, vLow=-2, vHigh=2, inst=127, fch=None, res=None, repeats=None):
if res == None:
res = self.resolution
if res == None:
print "Cannot remap track without resolution"
return
mObj = MidiObj(resolution=res)
T = tobj.getMaxTime()
print "T:", T
if tau == None:
tau = T
tau = T
rmap = RissetMapper(T, tau)
reMax = rmap.get_te(T,0)[0]
print "rmap(T):", reMax
ch = 0
for v in range(vLow, vHigh+1):
print "v: ", v
#rtObj = self.remapv(tobj, v, tau, ch=ch, inst=10+v)
if fch != None:
ch = fch
rtObj = self.remapv(tobj, v, tau, ch=ch, inst=inst)
rtObj.trackName = "risset v=%s" % v
if repeats:
rt0 = TrackObj()
for i in range(repeats):
rt0.append(rtObj)
rtObj = rt0
mObj.addTrack(rtObj)
ch += 1
#mObj.resolution = rtObj.resolution
mObj.loop = True
return mObj
def gen(self, path, nnotes=200, motif=None):
self.t = 0
if motif:
motif = parse(motif)
print "="*60
print "Generating Shepard Tones"
tobj = TrackObj(trackName="Track1")
for i in range(nnotes):
dur = 1
if motif:
j,dur = motif[i % len(motif)]
if j == 'r':
self.t += dur*self.ticksPerBeat
continue
else:
j = i % 12
#print i, j
notes = self.getChord(j, dur)
self.t += dur*self.ticksPerBeat
for note in notes:
tobj.addNote(note)
midiObj = MidiObj()
midiObj.addTrack(tobj)
midiObj.saveAsJSON(path)
mpath = path.replace(".json", ".mid")
midiObj.saveAsMidi(mpath)
def genTrackBasicBeat1(resolution):
t = TrackObj()
numMeasures = 8
tpb = resolution # ticks per beat
bpmeasure = 4 # beats per measure
for m in range(numMeasures):
b = m * bpmeasure
t0 = b * tpb
print "b: %3d t: %8.3f" % (b, t0)
# c p t v dur
t.addNote(Note(0, 50, t0, 90, 0.25 * tpb))
t.addNote(Note(0, 50, t0 + 1 * tpb, 70, 0.25 * tpb))
t.addNote(Note(0, 50, t0 + 2 * tpb, 70, 0.25 * tpb))
t.addNote(Note(0, 50, t0 + 3 * tpb, 70, 0.25 * tpb))
t.setMaxTime(t0 + bpmeasure * tpb)
m = MidiObj(resolution=tpb)
m.addTrack(t)
return m
def genTrackBasicBeat1(resolution):
t = TrackObj()
numMeasures = 8
tpb = resolution # ticks per beat
bpmeasure = 4 # beats per measure
for m in range(numMeasures):
b = m*bpmeasure
t0 = b * tpb
print "b: %3d t: %8.3f" % (b, t0)
# c p t v dur
t.addNote(Note(0, 50, t0, 90, 0.25*tpb))
t.addNote(Note(0, 50, t0+1*tpb, 70, 0.25*tpb))
t.addNote(Note(0, 50, t0+2*tpb, 70, 0.25*tpb))
t.addNote(Note(0, 50, t0+3*tpb, 70, 0.25*tpb))
t.setMaxTime(t0 + bpmeasure*tpb)
m = MidiObj(resolution=tpb)
m.addTrack(t)
return m
def remapTrack(self,
tobj,
tau=None,
vLow=-2,
vHigh=2,
inst=127,
fch=None,
res=None,
repeats=None):
if res == None:
res = self.resolution
if res == None:
print "Cannot remap track without resolution"
return
mObj = MidiObj(resolution=res)
T = tobj.getMaxTime()
print "T:", T
if tau == None:
tau = T
tau = T
rmap = RissetMapper(T, tau)
reMax = rmap.get_te(T, 0)[0]
print "rmap(T):", reMax
ch = 0
for v in range(vLow, vHigh + 1):
print "v: ", v
#rtObj = self.remapv(tobj, v, tau, ch=ch, inst=10+v)
if fch != None:
ch = fch
rtObj = self.remapv(tobj, v, tau, ch=ch, inst=inst)
rtObj.trackName = "risset v=%s" % v
if repeats:
rt0 = TrackObj()
for i in range(repeats):
rt0.append(rtObj)
rtObj = rt0
mObj.addTrack(rtObj)
ch += 1
#mObj.resolution = rtObj.resolution
mObj.loop = True
return mObj
def gen(self, path, nnotes=200, motif=None):
self.t = 0
if motif:
motif = parse(motif)
print "="*60
print "Generating Shepard Tones"
tobj = TrackObj(trackName="Track1")
for i in range(nnotes):
dur = 1
if motif:
j,dur = motif[i % len(motif)]
else:
j = i % 12
#print i, j
notes = self.getChord(j, dur)
for note in notes:
tobj.addNote(note)
midiObj = MidiObj()
midiObj.addTrack(tobj)
midiObj.saveAsJSON(path)
def genShepard(path, nvoices=5, noctaves=5, nnotes=200, motif=None):
if motif:
motif = parse(motif)
print "="*60
print "Generating Shepard Tones"
tobj = TrackObj(trackName="Track1")
t = 0
for v in range(nvoices):
sv = ShepVoice(noctaves, 12*v)
for i in range(nnotes):
j = i
dur = 1
if motif:
j,dur = motif[i % len(motif)]
#print j, dur
tOn, note = sv.getNote(t, j, dur)
t += sv.ticksPerBeat*dur
if note:
#print i, note.toList()
tobj.addNote(note)
midiObj = MidiObj()
midiObj.addTrack(tobj)
midiObj.saveAsJSON(path)
def gen(self, path, nnotes=200, motif=None):
self.t = 0
if motif:
motif = parse(motif)
print "=" * 60
print "Generating Shepard Tones"
tobj = TrackObj(trackName="Track1")
for i in range(nnotes):
dur = 1
if motif:
j, dur = motif[i % len(motif)]
else:
j = i % 12
#print i, j
notes = self.getChord(j, dur)
for note in notes:
tobj.addNote(note)
midiObj = MidiObj()
midiObj.addTrack(tobj)
midiObj.saveAsJSON(path)
def genShepard(path, nvoices=5, noctaves=5, nnotes=200, motif=None):
if motif:
motif = parse(motif)
print "=" * 60
print "Generating Shepard Tones"
tobj = TrackObj(trackName="Track1")
t = 0
for v in range(nvoices):
sv = ShepVoice(noctaves, 12 * v)
for i in range(nnotes):
j = i
dur = 1
if motif:
j, dur = motif[i % len(motif)]
#print j, dur
tOn, note = sv.getNote(t, j, dur)
t += sv.ticksPerBeat * dur
if note:
#print i, note.toList()
tobj.addNote(note)
midiObj = MidiObj()
midiObj.addTrack(tobj)
midiObj.saveAsJSON(path)
def save(tObj, path):
mObj = MidiObj()
mObj.addTrack(tObj)
mObj.saveAsJSON(path)
def save(tObj, path):
mObj = MidiObj()
mObj.addTrack(tObj)
mObj.saveAsJSON(path)
from PVMidi import TrackObj, MidiObj, Note
def save(tObj, path):
mObj = MidiObj()
mObj.addTrack(tObj)
mObj.saveAsJSON(path)
path = "BluesRhythm1.mid"
m = MidiObj(path)
print m.tracks
t = m.tracks[1]
rt = t.rescaleByTime(t.rescaleTime(0.25, 2.0))
rt.scalePowerBySin()
save(rt, "ris1.json")
