Invert no_mixing flag

[perso/Immae/Projets/Python/MusicSampler.git] / helpers / __init__.py

diff --git a/helpers/__init__.py b/helpers/__init__.py
index 2339b9ba7852318d043abf45373a3a38f089089c..ce8f04bf026a55840f2a4b095f9954484c9ef6ea 100644 (file)
--- a/helpers/__init__.py
+++ b/helpers/__init__.py
@@ -3,13 +3,10 @@ import argparse
 import sys
 import os
 import math
+import sounddevice as sd
 
 class Config:
-    def __init__(self, **kwargs):
-        for arg in kwargs:
-            setattr(self, arg, kwargs[arg])
-
-config = Config(yml_file="config.yml")
+    pass
 
 def path():
     if getattr(sys, 'frozen', False):
@@ -28,21 +25,75 @@ def parse_args():
 
         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("-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 numbe 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",
             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.")
     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
+
+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):
@@ -51,9 +102,6 @@ def show_version():
     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