diff options
Diffstat (limited to 'music_sampler/__init__.py')
-rw-r--r-- | music_sampler/__init__.py | 193 |
1 files changed, 1 insertions, 192 deletions
diff --git a/music_sampler/__init__.py b/music_sampler/__init__.py index 4827e6c..aa551fb 100644 --- a/music_sampler/__init__.py +++ b/music_sampler/__init__.py | |||
@@ -1,192 +1 @@ | |||
1 | # -*- coding: utf-8 -*- | from . import app | |
2 | import argparse | ||
3 | import sys | ||
4 | import os | ||
5 | import math | ||
6 | import sounddevice as sd | ||
7 | import logging | ||
8 | |||
9 | from . import sysfont | ||
10 | |||
11 | class Config: | ||
12 | pass | ||
13 | |||
14 | def find_font(name, style=sysfont.STYLE_NONE): | ||
15 | if getattr(sys, 'frozen', False): | ||
16 | font = sys._MEIPASS + "/fonts/{}_{}.ttf".format(name, style) | ||
17 | else: | ||
18 | font = sysfont.get_font(name, style=style) | ||
19 | if font is not None: | ||
20 | font = font[4] | ||
21 | return font | ||
22 | |||
23 | def register_fonts(): | ||
24 | from kivy.core.text import LabelBase | ||
25 | |||
26 | ubuntu_regular = find_font("Ubuntu", style=sysfont.STYLE_NORMAL) | ||
27 | ubuntu_bold = find_font("Ubuntu", style=sysfont.STYLE_BOLD) | ||
28 | symbola = find_font("Symbola") | ||
29 | |||
30 | if ubuntu_regular is None: | ||
31 | error_print("Font Ubuntu regular could not be found, please install it.") | ||
32 | sys.exit() | ||
33 | if symbola is None: | ||
34 | error_print("Font Symbola could not be found, please install it.") | ||
35 | sys.exit() | ||
36 | if ubuntu_bold is None: | ||
37 | warn_print("Font Ubuntu Bold could not be found.") | ||
38 | |||
39 | LabelBase.register(name="Ubuntu", | ||
40 | fn_regular=ubuntu_regular, | ||
41 | fn_bold=ubuntu_bold) | ||
42 | LabelBase.register(name="Symbola", | ||
43 | fn_regular=symbola) | ||
44 | |||
45 | |||
46 | def path(): | ||
47 | if getattr(sys, 'frozen', False): | ||
48 | return sys._MEIPASS + "/" | ||
49 | else: | ||
50 | path = os.path.dirname(os.path.realpath(__file__)) | ||
51 | return path + "/../" | ||
52 | |||
53 | def parse_args(): | ||
54 | argv = sys.argv[1 :] | ||
55 | sys.argv = sys.argv[: 1] | ||
56 | if "--" in argv: | ||
57 | index = argv.index("--") | ||
58 | kivy_args = argv[index+1 :] | ||
59 | argv = argv[: index] | ||
60 | |||
61 | sys.argv.extend(kivy_args) | ||
62 | |||
63 | parser = argparse.ArgumentParser( | ||
64 | description="A Music Sampler application.", | ||
65 | formatter_class=argparse.ArgumentDefaultsHelpFormatter) | ||
66 | parser.add_argument("-c", "--config", | ||
67 | default="config.yml", | ||
68 | required=False, | ||
69 | help="Config file to load") | ||
70 | parser.add_argument("-p", "--music-path", | ||
71 | default=".", | ||
72 | required=False, | ||
73 | help="Folder in which to find the music files") | ||
74 | parser.add_argument("-d", "--debug", | ||
75 | nargs=0, | ||
76 | action=DebugModeAction, | ||
77 | help="Print messages in console") | ||
78 | parser.add_argument("-m", "--builtin-mixing", | ||
79 | action="store_true", | ||
80 | help="Make the mixing of sounds manually\ | ||
81 | (do it if the system cannot handle it correctly)") | ||
82 | parser.add_argument("-l", "--latency", | ||
83 | default="high", | ||
84 | required=False, | ||
85 | help="Latency: low, high or number of seconds") | ||
86 | parser.add_argument("-b", "--blocksize", | ||
87 | default=0, | ||
88 | type=int, | ||
89 | required=False, | ||
90 | help="Blocksize: If not 0, the number of frames to take\ | ||
91 | at each step for the mixer") | ||
92 | parser.add_argument("-f", "--frame-rate", | ||
93 | default=44100, | ||
94 | type=int, | ||
95 | required=False, | ||
96 | help="Frame rate to play the musics") | ||
97 | parser.add_argument("-x", "--channels", | ||
98 | default=2, | ||
99 | type=int, | ||
100 | required=False, | ||
101 | help="Number of channels to use") | ||
102 | parser.add_argument("-s", "--sample-width", | ||
103 | default=2, | ||
104 | type=int, | ||
105 | required=False, | ||
106 | help="Sample width (number of bytes for each frame)") | ||
107 | parser.add_argument("-V", "--version", | ||
108 | action="version", | ||
109 | help="Displays the current version and exits. Only use\ | ||
110 | in bundled package", | ||
111 | version=show_version()) | ||
112 | parser.add_argument("--device", | ||
113 | action=SelectDeviceAction, | ||
114 | help="Select this sound device" | ||
115 | ) | ||
116 | parser.add_argument("--list-devices", | ||
117 | nargs=0, | ||
118 | action=ListDevicesAction, | ||
119 | help="List available sound devices" | ||
120 | ) | ||
121 | parser.add_argument('--', | ||
122 | dest="args", | ||
123 | help="Kivy arguments. All arguments after this are interpreted\ | ||
124 | by Kivy. Pass \"-- --help\" to get Kivy's usage.") | ||
125 | |||
126 | from kivy.logger import Logger | ||
127 | Logger.setLevel(logging.WARN) | ||
128 | |||
129 | args = parser.parse_args(argv) | ||
130 | |||
131 | Config.yml_file = args.config | ||
132 | |||
133 | Config.latency = args.latency | ||
134 | Config.blocksize = args.blocksize | ||
135 | Config.frame_rate = args.frame_rate | ||
136 | Config.channels = args.channels | ||
137 | Config.sample_width = args.sample_width | ||
138 | Config.builtin_mixing = args.builtin_mixing | ||
139 | if args.music_path.endswith("/"): | ||
140 | Config.music_path = args.music_path | ||
141 | else: | ||
142 | Config.music_path = args.music_path + "/" | ||
143 | |||
144 | class DebugModeAction(argparse.Action): | ||
145 | def __call__(self, parser, namespace, values, option_string=None): | ||
146 | from kivy.logger import Logger | ||
147 | Logger.setLevel(logging.DEBUG) | ||
148 | |||
149 | class SelectDeviceAction(argparse.Action): | ||
150 | def __call__(self, parser, namespace, values, option_string=None): | ||
151 | sd.default.device = values | ||
152 | |||
153 | class ListDevicesAction(argparse.Action): | ||
154 | nargs = 0 | ||
155 | def __call__(self, parser, namespace, values, option_string=None): | ||
156 | print(sd.query_devices()) | ||
157 | sys.exit() | ||
158 | |||
159 | def show_version(): | ||
160 | if getattr(sys, 'frozen', False): | ||
161 | with open(path() + ".pyinstaller_commit", "r") as f: | ||
162 | return f.read() | ||
163 | else: | ||
164 | return "option '-v' can only be used in bundled package" | ||
165 | |||
166 | def duration_to_min_sec(duration): | ||
167 | minutes = int(duration / 60) | ||
168 | seconds = int(duration) % 60 | ||
169 | if minutes < 100: | ||
170 | return "{:2}:{:0>2}".format(minutes, seconds) | ||
171 | else: | ||
172 | return "{}:{:0>2}".format(minutes, seconds) | ||
173 | |||
174 | def gain(volume, old_volume=None): | ||
175 | if old_volume is None: | ||
176 | return 20 * math.log10(max(volume, 0.1) / 100) | ||
177 | else: | ||
178 | return [ | ||
179 | 20 * math.log10(max(volume, 0.1) / max(old_volume, 0.1)), | ||
180 | max(volume, 0)] | ||
181 | |||
182 | def debug_print(message, with_trace=False): | ||
183 | from kivy.logger import Logger | ||
184 | Logger.debug('MusicSampler: ' + message, exc_info=with_trace) | ||
185 | |||
186 | def error_print(message, with_trace=False): | ||
187 | from kivy.logger import Logger | ||
188 | Logger.error('MusicSampler: ' + message, exc_info=with_trace) | ||
189 | |||
190 | def warn_print(message, with_trace=False): | ||
191 | from kivy.logger import Logger | ||
192 | Logger.warn('MusicSampler: ' + message, exc_info=with_trace) | ||