def impromptu_compose(self, unit, offset):
self.compose_thread_mutex.acquire()
self.synth.reset()
self.patterns = {}
self.tonalities = {}
self.instruments = {}
self.inpromptu = Impromptu(unit, offset)
while True:
if self.get_status() == 'stop':
break
self.composition_mutex.acquire()
local_need_compose = self.need_compose
next_index = self.current_playing_index + 1
local_mood = self.current_mood
self.composition_mutex.release()
if local_need_compose == True:
(pattern, tonality, instruments) = self.inpromptu.compose(local_mood)
dynamic_offset = Generator.gen_dynamic_parameter(local_mood)
self.patterns[next_index] = pattern
self.tonalities[next_index] = tonality
self.instruments[next_index] = instruments
samples = self.synth.convert_pattern_to_samples(
pattern, instruments, unit, dynamic_offset)
self.composition_mutex.acquire()
self.next_samples = samples
self.need_compose = False
self.composition_mutex.release()
else:
sleep(0.01)
MIDI.write_patterns('demo.mid', self.patterns, unit, self.tonalities, self.instruments)
self.compose_thread_mutex.release()
def generate_melody_parameter(self, mood):
param_basic = {
'tempo': Generator.gen_tempo_parameter(mood),
'pitch': Generator.gen_pitch_parameter(mood, 'melody'),
'dynamic': Generator.gen_dynamic_parameter(mood),
'mode': Generator.gen_mode_parameter(self.tonality, mood),
}
param_effect = Generator.gen_effect_parameter(mood, 'melody')
return dict(param_basic.items() + param_effect.items())
