import argparse
import sys
import os
+import math
+import sounddevice as sd
+import logging
+
+from . import sysfont
class Config:
- def __init__(self, **kwargs):
- for arg in kwargs:
- setattr(self, arg, kwargs[arg])
+ pass
+
+def find_font(name, style=sysfont.STYLE_NONE):
+ if getattr(sys, 'frozen', False):
+ font = sys._MEIPASS + "/fonts/{}_{}.ttf".format(name, style)
+ else:
+ font = sysfont.get_font(name, style=style)
+ if font is not None:
+ font = font[4]
+ return font
+
+def register_fonts():
+ from kivy.core.text import LabelBase
+
+ ubuntu_regular = find_font("Ubuntu", style=sysfont.STYLE_NORMAL)
+ ubuntu_bold = find_font("Ubuntu", style=sysfont.STYLE_BOLD)
+ symbola = find_font("Symbola")
+
+ if ubuntu_regular is None:
+ error_print("Font Ubuntu regular could not be found, please install it.")
+ sys.exit()
+ if symbola is None:
+ error_print("Font Symbola could not be found, please install it.")
+ sys.exit()
+ if ubuntu_bold is None:
+ warn_print("Font Ubuntu Bold could not be found.")
+
+ LabelBase.register(name="Ubuntu",
+ fn_regular=ubuntu_regular,
+ fn_bold=ubuntu_bold)
+ LabelBase.register(name="Symbola",
+ fn_regular=symbola)
-config = Config(yml_file="config.yml")
def path():
if getattr(sys, 'frozen', False):
return path + "/../"
def parse_args():
- argv = sys.argv[1:]
- sys.argv = sys.argv[:1]
+ argv = sys.argv[1 :]
+ sys.argv = sys.argv[: 1]
if "--" in argv:
index = argv.index("--")
- kivy_args = argv[index+1:]
- argv = argv[:index]
+ kivy_args = argv[index+1 :]
+ argv = argv[: index]
sys.argv.extend(kivy_args)
- parser = argparse.ArgumentParser(description="A Music Sampler application.")
+ parser = argparse.ArgumentParser(
+ description="A Music Sampler application.",
+ formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument("-c", "--config",
default="config.yml",
required=False,
help="Config file to load")
+ parser.add_argument("-p", "--music-path",
+ default=".",
+ required=False,
+ help="Folder in which to find the music files")
+ parser.add_argument("-d", "--debug",
+ nargs=0,
+ action=DebugModeAction,
+ help="Print messages in console")
+ parser.add_argument("-m", "--builtin-mixing",
+ action="store_true",
+ help="Make the mixing of sounds manually\
+ (do it if the system cannot handle it correctly)")
+ parser.add_argument("-l", "--latency",
+ default="high",
+ required=False,
+ help="Latency: low, high or number of seconds")
+ parser.add_argument("-b", "--blocksize",
+ default=0,
+ type=int,
+ required=False,
+ help="Blocksize: If not 0, the number of frames to take\
+ at each step for the mixer")
+ parser.add_argument("-f", "--frame-rate",
+ default=44100,
+ type=int,
+ required=False,
+ help="Frame rate to play the musics")
+ parser.add_argument("-x", "--channels",
+ default=2,
+ type=int,
+ required=False,
+ help="Number of channels to use")
+ parser.add_argument("-s", "--sample-width",
+ default=2,
+ type=int,
+ required=False,
+ help="Sample width (number of bytes for each frame)")
parser.add_argument("-V", "--version",
action="version",
- help="Displays the current version and exits. Only use in bundled package",
+ help="Displays the current version and exits. Only use\
+ in bundled package",
version=show_version())
+ parser.add_argument("--device",
+ action=SelectDeviceAction,
+ help="Select this sound device"
+ )
+ parser.add_argument("--list-devices",
+ nargs=0,
+ action=ListDevicesAction,
+ help="List available sound devices"
+ )
parser.add_argument('--',
dest="args",
- help="Kivy arguments. All arguments after this are interpreted by Kivy. Pass \"-- --help\" to get Kivy's usage.")
+ help="Kivy arguments. All arguments after this are interpreted\
+ by Kivy. Pass \"-- --help\" to get Kivy's usage.")
+
+ from kivy.logger import Logger
+ Logger.setLevel(logging.WARN)
+
args = parser.parse_args(argv)
- config.yml_file = args.config
+ Config.yml_file = args.config
+
+ Config.latency = args.latency
+ Config.blocksize = args.blocksize
+ Config.frame_rate = args.frame_rate
+ Config.channels = args.channels
+ Config.sample_width = args.sample_width
+ Config.builtin_mixing = args.builtin_mixing
+ if args.music_path.endswith("/"):
+ Config.music_path = args.music_path
+ else:
+ Config.music_path = args.music_path + "/"
+
+class DebugModeAction(argparse.Action):
+ def __call__(self, parser, namespace, values, option_string=None):
+ from kivy.logger import Logger
+ Logger.setLevel(logging.DEBUG)
+
+class SelectDeviceAction(argparse.Action):
+ def __call__(self, parser, namespace, values, option_string=None):
+ sd.default.device = values
+
+class ListDevicesAction(argparse.Action):
+ nargs = 0
+ def __call__(self, parser, namespace, values, option_string=None):
+ print(sd.query_devices())
+ sys.exit()
def show_version():
if getattr(sys, 'frozen', False):
else:
return "option '-v' can only be used in bundled package"
-def yml_file():
- return config.yml_file
-
def duration_to_min_sec(duration):
minutes = int(duration / 60)
seconds = int(duration) % 60
return "{:2}:{:0>2}".format(minutes, seconds)
else:
return "{}:{:0>2}".format(minutes, seconds)
+
+def gain(volume, old_volume=None):
+ if old_volume is None:
+ return 20 * math.log10(max(volume, 0.1) / 100)
+ else:
+ return [
+ 20 * math.log10(max(volume, 0.1) / max(old_volume, 0.1)),
+ max(volume, 0)]
+
+def debug_print(message, with_trace=False):
+ from kivy.logger import Logger
+ Logger.debug('MusicSampler: ' + message, exc_info=with_trace)
+
+def error_print(message, with_trace=False):
+ from kivy.logger import Logger
+ Logger.error('MusicSampler: ' + message, exc_info=with_trace)
+
+def warn_print(message, with_trace=False):
+ from kivy.logger import Logger
+ Logger.warn('MusicSampler: ' + message, exc_info=with_trace)