コード例 #1
0
def generate(sequence: NoteSequence, name: str, bundle_filename: str,
             config_name: str, generation_start_time: float,
             generation_end_time: float):
    # TODO generate a new sequence using the sequence generator
    pass

    sequence = ss.trim_note_sequence(sequence, generation_start_time,
                                     generation_end_time)
    return sequence
コード例 #2
0
def generate(sequence: NoteSequence, name: str, bundle_filename: str,
             config_name: str, generation_start_time: float,
             generation_end_time: float):
    generator_options = generator_pb2.GeneratorOptions()
    generator_options.args['temperature'].float_value = 1
    generator_options.generate_sections.add(start_time=generation_start_time,
                                            end_time=generation_end_time)
    sequence_generator = get_sequence_generator(name, bundle_filename,
                                                config_name)
    sequence = sequence_generator.generate(sequence, generator_options)
    sequence = ss.trim_note_sequence(sequence, generation_start_time,
                                     generation_end_time)
    return sequence
コード例 #3
0
ファイル: sequences_lib_test.py プロジェクト: wyn314/magenta
  def testTrimNoteSequence(self):
    sequence = copy.copy(self.note_sequence)
    testing_lib.add_track_to_sequence(
        sequence, 0,
        [(12, 100, 0.01, 10.0), (11, 55, 0.22, 0.50), (40, 45, 2.50, 3.50),
         (55, 120, 4.0, 4.01), (52, 99, 4.75, 5.0)])
    expected_subsequence = copy.copy(self.note_sequence)
    testing_lib.add_track_to_sequence(
        expected_subsequence, 0,
        [(40, 45, 2.50, 3.50), (55, 120, 4.0, 4.01)])
    expected_subsequence.total_time = 4.75

    subsequence = sequences_lib.trim_note_sequence(sequence, 2.5, 4.75)
    self.assertProtoEquals(expected_subsequence, subsequence)
コード例 #4
0
  def testTrimNoteSequence(self):
    sequence = copy.copy(self.note_sequence)
    testing_lib.add_track_to_sequence(
        sequence, 0,
        [(12, 100, 0.01, 10.0), (11, 55, 0.22, 0.50), (40, 45, 2.50, 3.50),
         (55, 120, 4.0, 4.01), (52, 99, 4.75, 5.0)])
    expected_subsequence = copy.copy(self.note_sequence)
    testing_lib.add_track_to_sequence(
        expected_subsequence, 0,
        [(40, 45, 2.50, 3.50), (55, 120, 4.0, 4.01)])
    expected_subsequence.total_time = 4.75

    subsequence = sequences_lib.trim_note_sequence(sequence, 2.5, 4.75)
    self.assertProtoEquals(expected_subsequence, subsequence)
コード例 #5
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    def run(self):
        # TODO
        sequence = self._primer_sequence
        player = self._midi_hub.start_playback(sequence, allow_updates=True)

        # TODO
        seconds_per_step = 60.0 / self._qpm / self._sequence_generator.steps_per_quarter
        num_steps_per_bar = self._sequence_generator.steps_per_quarter * 2
        seconds_per_bar = num_steps_per_bar * seconds_per_step
        seconds_per_loop = self._bar_per_loop * seconds_per_bar

        # TODO MOVE
        plotter = Plotter(max_bar=16, live_reload=True)
        pretty_midi = pm.PrettyMIDI()
        pretty_midi.instruments.append(pm.Instrument(0))
        pretty_midi.instruments[0].append(pm.Note(100, 36, 0, 1))

        # TODO
        wall_start_time = time.time()

        # TODO
        for bar_count in range(0, sys.maxsize):
            # TODO
            cursor_time = bar_count * seconds_per_loop

            # TODO
            sequence_adjusted = music_pb2.NoteSequence()
            sequence_adjusted.CopyFrom(sequence)
            sequence_adjusted = adjust_sequence_times(sequence_adjusted,
                                                      wall_start_time)
            player.update_sequence(sequence_adjusted, start_time=cursor_time)

            # TODO MOVE TO UTILS
            pretty_sequence = mm.midi_io.note_sequence_to_pretty_midi(sequence)
            for instrument in pretty_sequence.instruments:
                for note in instrument.notes:
                    pretty_midi.instruments[0].notes.append(note)
            plotter.show(pretty_midi, self._output_file)

            # TODO
            loop_start_time = cursor_time
            loop_end_time = loop_start_time + seconds_per_loop
            generation_start_time = loop_end_time
            generation_end_time = generation_start_time + seconds_per_loop
            generator_options = generator_pb2.GeneratorOptions()
            generator_options.args['temperature'].float_value = 1
            generator_options.generate_sections.add(
                start_time=generation_start_time, end_time=generation_end_time)

            # TODO
            if bar_count % self._num_loops == 0:
                print("GENERATING")
                sequence = self._sequence_generator.generate(
                    sequence, generator_options)
                sequence = sequences_lib.trim_note_sequence(
                    sequence, generation_start_time, generation_end_time)
            else:
                print("LOOPING")
                sequence = sequences_lib.trim_note_sequence(
                    sequence, loop_start_time, loop_end_time)
                sequence = sequences_lib.shift_sequence_times(
                    sequence, seconds_per_loop)

            # TODO 1 wake up per bar
            sleep_time = seconds_per_loop - (
                (time.time() - wall_start_time) % seconds_per_loop)
            time.sleep(sleep_time)
コード例 #6
0
def loop(sequence: NoteSequence, loop_start_time: float, loop_end_time: float,
         seconds_per_loop: float):
    sequence = ss.trim_note_sequence(sequence, loop_start_time, loop_end_time)
    sequence = ss.shift_sequence_times(sequence, seconds_per_loop)
    return sequence