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1 | import threading | |
2 | import pydub | |
3 | import pygame | |
4 | ||
5 | class MusicFile: | |
6 | def __init__(self, filename, lock, channel_id, name = None): | |
7 | self.filename = filename | |
8 | self.channel_id = channel_id | |
9 | self.name = name or filename | |
10 | self.raw_data = None | |
11 | ||
12 | self.loaded = False | |
13 | self.flag_paused = False | |
14 | threading.Thread(name = "MSMusicLoad", target = self.load_sound, args = [lock]).start() | |
15 | ||
16 | def load_sound(self, lock): | |
17 | lock.acquire() | |
18 | print("Loading « {} »".format(self.name)) | |
19 | audio_segment = pydub.AudioSegment.from_file(self.filename).set_frame_rate(44100) | |
20 | self.sound_duration = audio_segment.duration_seconds | |
21 | self.raw_data = audio_segment.raw_data | |
22 | print("Loaded « {} »".format(self.name)) | |
23 | self.loaded = True | |
24 | lock.release() | |
25 | ||
26 | def is_playing(self): | |
27 | return self.channel().get_busy() | |
28 | ||
29 | def is_paused(self): | |
30 | return self.flag_paused | |
31 | ||
32 | def play(self, fade_in = 0, volume = 100, start_at = 0): | |
33 | self.channel().set_endevent() | |
34 | self.channel().set_endevent(pygame.USEREVENT) | |
35 | self.set_volume(volume) | |
36 | ||
37 | if start_at > 0: | |
38 | raw_data_length = len(self.raw_data) | |
39 | start_offset = int((raw_data_length / self.sound_duration) * start_at) | |
40 | start_offset = start_offset - (start_offset % 2) | |
41 | sound = pygame.mixer.Sound(self.raw_data[start_offset:]) | |
42 | else: | |
43 | sound = pygame.mixer.Sound(self.raw_data) | |
44 | ||
45 | self.channel().play(sound, fade_ms = fade_in * 1000) | |
46 | self.flag_paused = False | |
47 | ||
48 | def pause(self): | |
49 | self.channel().pause() | |
50 | self.flag_paused = True | |
51 | ||
52 | def unpause(self): | |
53 | self.channel().unpause() | |
54 | self.flag_paused = False | |
55 | ||
56 | def stop(self, fade_out = 0): | |
57 | if fade_out > 0: | |
58 | self.channel().fadeout(fade_out * 1000) | |
59 | else: | |
60 | self.channel().stop() | |
61 | ||
62 | def set_volume(self, value): | |
63 | if value < 0: | |
64 | value = 0 | |
65 | if value > 100: | |
66 | value = 100 | |
67 | self.channel().set_volume(value / 100) | |
68 | ||
69 | def wait_end(self): | |
70 | pass | |
71 | ||
72 | def channel(self): | |
73 | return pygame.mixer.Channel(self.channel_id) |