def get_notes_by_rt_interval(self, interval):
conversion = TimeConversion(self.tempo_sequence,
self.time_signature_sequence,
Position(self.duration.duration))
wnt_interval = Interval(
conversion.actual_time_to_position(interval.lower),
conversion.actual_time_to_position(interval.upper))
return self.get_notes_by_wnt_interval(wnt_interval)
def get_notes_starting_in_rt_interval(self, interval):
"""
Get all notes starting in the score by an interval based on real time: Return dict structure as follows:
instrument_voice --> {voice_index --> [notes]}
"""
conversion = TimeConversion(self.tempo_sequence,
self.time_signature_sequence,
Position(self.duration.duration))
wnt_interval = Interval(
conversion.actual_time_to_position(interval.lower),
conversion.actual_time_to_position(interval.upper))
return self.get_notes_starting_in_wnt_interval(wnt_interval)
def test_time_conversion_simple(self):
tempo_line = EventSequence([TempoEvent(Tempo(60), Position(0))])
ts_line = EventSequence([
TimeSignatureEvent(TimeSignature(3, Duration(1, 4)), Position(0))
])
conversion = TimeConversion(tempo_line, ts_line, Position(1, 1))
actual_time = conversion.position_to_actual_time(Position(3, 4))
print(actual_time)
self.assertTrue(actual_time == 3000,
'actual time = {0} should be 3000'.format(actual_time))
position = conversion.actual_time_to_position(3000)
print(position)
self.assertTrue(position, Position(3, 4))
def test_position_to_actual_time(self):
tempo_line = EventSequence([
TempoEvent(Tempo(60), Position(0)),
TempoEvent(Tempo(20), Position(4, 4))
])
ts_line = EventSequence([
TimeSignatureEvent(TimeSignature(3, Duration(1, 4)), Position(0)),
TimeSignatureEvent(TimeSignature(2, Duration(1, 8)),
Position(5, 4))
])
conversion = TimeConversion(tempo_line, ts_line, Position(2, 1))
actual_time = conversion.position_to_actual_time(Position(6, 4))
print(actual_time)
# 4 quarter notes @ 60 with 1/4 beat = 4000
# 1 quarter note @ 20 with 1/4 beat = 3000
# 2 eighth notes @ 20 (effective 40) with 1/8 beat = 3000
self.assertTrue(
actual_time == 10000,
'actual time = {0} should be 10000'.format(actual_time))
position = conversion.actual_time_to_position(10000)
print(position)
self.assertEquals(position, Position(6, 4))