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Commit | Line | Data |
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be27763f IB |
1 | import threading |
2 | import pydub | |
3 | import pygame | |
87f211fb | 4 | import math |
be27763f IB |
5 | |
6 | class MusicFile: | |
87f211fb | 7 | def __init__(self, filename, lock, channel_id, name = None, gain = 1): |
be27763f | 8 | self.filename = filename |
d479af33 | 9 | self.channel_id = channel_id |
9de92b6d | 10 | self.name = name or filename |
be27763f | 11 | self.raw_data = None |
87f211fb | 12 | self.gain = gain |
be27763f IB |
13 | |
14 | self.loaded = False | |
9de92b6d | 15 | self.flag_paused = False |
23b7e0e5 | 16 | threading.Thread(name = "MSMusicLoad", target = self.load_sound, args = [lock]).start() |
be27763f IB |
17 | |
18 | def load_sound(self, lock): | |
19 | lock.acquire() | |
9de92b6d | 20 | print("Loading « {} »".format(self.name)) |
87f211fb IB |
21 | volume_factor = 20 * math.log10(self.gain) |
22 | audio_segment = pydub.AudioSegment.from_file(self.filename).set_frame_rate(44100).apply_gain(volume_factor) | |
b58b8220 IB |
23 | self.sound_duration = audio_segment.duration_seconds |
24 | self.raw_data = audio_segment.raw_data | |
9de92b6d | 25 | print("Loaded « {} »".format(self.name)) |
be27763f IB |
26 | self.loaded = True |
27 | lock.release() | |
28 | ||
0e5d59f7 | 29 | def is_playing(self): |
d479af33 | 30 | return self.channel().get_busy() |
0e5d59f7 | 31 | |
9de92b6d IB |
32 | def is_paused(self): |
33 | return self.flag_paused | |
34 | ||
0e5d59f7 | 35 | def play(self, fade_in = 0, volume = 100, start_at = 0): |
9de92b6d IB |
36 | self.channel().set_endevent() |
37 | self.channel().set_endevent(pygame.USEREVENT) | |
0e5d59f7 IB |
38 | self.set_volume(volume) |
39 | ||
40 | if start_at > 0: | |
0e5d59f7 | 41 | raw_data_length = len(self.raw_data) |
b58b8220 | 42 | start_offset = int((raw_data_length / self.sound_duration) * start_at) |
0e5d59f7 | 43 | start_offset = start_offset - (start_offset % 2) |
b58b8220 | 44 | sound = pygame.mixer.Sound(self.raw_data[start_offset:]) |
0e5d59f7 | 45 | else: |
b58b8220 | 46 | sound = pygame.mixer.Sound(self.raw_data) |
0e5d59f7 | 47 | |
92cc4ce2 | 48 | self.channel().play(sound, fade_ms = int(fade_in * 1000)) |
9de92b6d | 49 | self.flag_paused = False |
be27763f IB |
50 | |
51 | def pause(self): | |
d479af33 | 52 | self.channel().pause() |
9de92b6d IB |
53 | self.flag_paused = True |
54 | ||
55 | def unpause(self): | |
56 | self.channel().unpause() | |
57 | self.flag_paused = False | |
be27763f | 58 | |
0e5d59f7 | 59 | def stop(self, fade_out = 0): |
0e5d59f7 | 60 | if fade_out > 0: |
92cc4ce2 | 61 | self.channel().fadeout(int(fade_out * 1000)) |
0e5d59f7 | 62 | else: |
d479af33 | 63 | self.channel().stop() |
0e5d59f7 IB |
64 | |
65 | def set_volume(self, value): | |
66 | if value < 0: | |
67 | value = 0 | |
68 | if value > 100: | |
69 | value = 100 | |
b58b8220 | 70 | self.channel().set_volume(value / 100) |
be27763f | 71 | |
b86db9f1 IB |
72 | def wait_end(self): |
73 | pass | |
d479af33 IB |
74 | |
75 | def channel(self): | |
76 | return pygame.mixer.Channel(self.channel_id) |