def export(self, mark, exporter):
"""
Export a mark.
"""
time = [0] * len(self.channels)
for channel, (marks, l) in enumerate(zip(self.marks, self.channels)):
m = marks[mark]
for t, data in l[m]:
if t is INSTRUMENT:
exporter.pc(channel, time[channel], data)
elif t is LYNE:
for pitch, velocity, begin, duration in data.scheduled:
if pitch == 0 and duration == 0:
# Hax'd pitch bend data.
exporter.bend(channel, time[channel] + begin,
velocity)
else:
velocity = make_velocity(velocity)
exporter.note(channel, time[channel] + begin,
duration, pitch, velocity)
time[channel] += len(data)
elif t is TACET:
time[channel] += data
return max(time), exporter.commit()
def export_to_channel(self, channel, exporter):
notes, length = self.schedule()
elapsed = 0
for i in range(self.repeat):
# Ignore all channels; drums are always on channel 9.
for pitch, velocity, begin, duration in notes:
begin += elapsed
velocity = make_velocity(velocity)
exporter.note(9, begin, duration, pitch, velocity)
elapsed += length
return elapsed
def export_to_channel(self, channel, exporter):
notes, length = self.schedule()
elapsed = 0
exporter.pc(channel, self.begin(),
numbered_instruments[self.instrument])
for i in range(self.repeat):
for pitch, velocity, begin, duration in notes:
begin += elapsed
if pitch == 0 and duration == 0:
# Hax'd pitch bend data.
exporter.bend(channel, begin, velocity)
else:
velocity = make_velocity(velocity)
exporter.note(channel, begin, duration, pitch, velocity)
elapsed += length
return elapsed