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1 | # -*- coding: utf-8 -*- |
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 | return os.path.dirname(os.path.realpath(__file__)) | |
51 | ||
52 | def parse_args(): | |
53 | argv = sys.argv[1 :] | |
54 | sys.argv = sys.argv[: 1] | |
55 | if "--" in argv: | |
56 | index = argv.index("--") | |
57 | kivy_args = argv[index+1 :] | |
58 | argv = argv[: index] | |
59 | ||
60 | sys.argv.extend(kivy_args) | |
61 | ||
62 | parser = argparse.ArgumentParser( | |
63 | description="A Music Sampler application.", | |
64 | formatter_class=argparse.ArgumentDefaultsHelpFormatter) | |
65 | parser.add_argument("-c", "--config", | |
66 | default="config.yml", | |
67 | required=False, | |
68 | help="Config file to load") | |
69 | parser.add_argument("-p", "--music-path", | |
70 | default=".", | |
71 | required=False, | |
72 | help="Folder in which to find the music files") | |
73 | parser.add_argument("-d", "--debug", | |
74 | nargs=0, | |
75 | action=DebugModeAction, | |
76 | help="Print messages in console") | |
77 | parser.add_argument("-m", "--builtin-mixing", | |
78 | action="store_true", | |
79 | help="Make the mixing of sounds manually\ | |
80 | (do it if the system cannot handle it correctly)") | |
81 | parser.add_argument("-l", "--latency", | |
82 | default="high", | |
83 | required=False, | |
84 | help="Latency: low, high or number of seconds") | |
85 | parser.add_argument("-b", "--blocksize", | |
86 | default=0, | |
87 | type=int, | |
88 | required=False, | |
89 | help="Blocksize: If not 0, the number of frames to take\ | |
90 | at each step for the mixer") | |
91 | parser.add_argument("-f", "--frame-rate", | |
92 | default=44100, | |
93 | type=int, | |
94 | required=False, | |
95 | help="Frame rate to play the musics") | |
96 | parser.add_argument("-x", "--channels", | |
97 | default=2, | |
98 | type=int, | |
99 | required=False, | |
100 | help="Number of channels to use") | |
101 | parser.add_argument("-s", "--sample-width", | |
102 | default=2, | |
103 | type=int, | |
104 | required=False, | |
105 | help="Sample width (number of bytes for each frame)") | |
106 | parser.add_argument("-V", "--version", | |
107 | action="version", | |
108 | help="Displays the current version and exits. Only use\ | |
109 | in bundled package", | |
110 | version=show_version()) | |
111 | parser.add_argument("--device", | |
112 | action=SelectDeviceAction, | |
113 | help="Select this sound device" | |
114 | ) | |
115 | parser.add_argument("--list-devices", | |
116 | nargs=0, | |
117 | action=ListDevicesAction, | |
118 | help="List available sound devices" | |
119 | ) | |
120 | parser.add_argument('--', | |
121 | dest="args", | |
122 | help="Kivy arguments. All arguments after this are interpreted\ | |
123 | by Kivy. Pass \"-- --help\" to get Kivy's usage.") | |
124 | ||
125 | from kivy.logger import Logger | |
126 | Logger.setLevel(logging.WARN) | |
127 | ||
128 | args = parser.parse_args(argv) | |
129 | ||
130 | Config.yml_file = args.config | |
131 | ||
132 | Config.latency = args.latency | |
133 | Config.blocksize = args.blocksize | |
134 | Config.frame_rate = args.frame_rate | |
135 | Config.channels = args.channels | |
136 | Config.sample_width = args.sample_width | |
137 | Config.builtin_mixing = args.builtin_mixing | |
138 | if args.music_path.endswith("/"): | |
139 | Config.music_path = args.music_path | |
140 | else: | |
141 | Config.music_path = args.music_path + "/" | |
142 | ||
143 | class DebugModeAction(argparse.Action): | |
144 | def __call__(self, parser, namespace, values, option_string=None): | |
145 | from kivy.logger import Logger | |
146 | Logger.setLevel(logging.DEBUG) | |
147 | ||
148 | class SelectDeviceAction(argparse.Action): | |
149 | def __call__(self, parser, namespace, values, option_string=None): | |
150 | sd.default.device = values | |
151 | ||
152 | class ListDevicesAction(argparse.Action): | |
153 | nargs = 0 | |
154 | def __call__(self, parser, namespace, values, option_string=None): | |
155 | print(sd.query_devices()) | |
156 | sys.exit() | |
157 | ||
158 | def show_version(): | |
159 | if getattr(sys, 'frozen', False): | |
160 | with open(path() + ".pyinstaller_commit", "r") as f: | |
161 | return f.read() | |
162 | else: | |
163 | return "option '-v' can only be used in bundled package" | |
164 | ||
165 | def duration_to_min_sec(duration): | |
166 | minutes = int(duration / 60) | |
167 | seconds = int(duration) % 60 | |
168 | if minutes < 100: | |
169 | return "{:2}:{:0>2}".format(minutes, seconds) | |
170 | else: | |
171 | return "{}:{:0>2}".format(minutes, seconds) | |
172 | ||
173 | def gain(volume, old_volume=None): | |
174 | if old_volume is None: | |
175 | return 20 * math.log10(max(volume, 0.1) / 100) | |
176 | else: | |
177 | return [ | |
178 | 20 * math.log10(max(volume, 0.1) / max(old_volume, 0.1)), | |
179 | max(volume, 0)] | |
180 | ||
181 | def debug_print(message, with_trace=False): | |
182 | from kivy.logger import Logger | |
183 | Logger.debug('MusicSampler: ' + message, exc_info=with_trace) | |
184 | ||
185 | def error_print(message, with_trace=False): | |
186 | from kivy.logger import Logger | |
187 | Logger.error('MusicSampler: ' + message, exc_info=with_trace) | |
188 | ||
189 | def warn_print(message, with_trace=False): | |
190 | from kivy.logger import Logger | |
191 | Logger.warn('MusicSampler: ' + message, exc_info=with_trace) | |
192 |