set default device type per platform

libs/audio.py

@@ -198,7 +198,7 @@ class AudioEngine:
         """Load a sound file and return sound ID"""
         try:
             if platform.system() == 'Windows':
-                # Use Windows ANSI codepage (e.g., cp932 for Japanese, cp1252 for Western)
+                # Use Windows ANSI codepage (cp932 for Japanese)
                 file_path_str = str(file_path).encode('cp932', errors='replace')
             else:
                 file_path_str = str(file_path).encode('utf-8')
@@ -319,7 +319,7 @@ class AudioEngine:
     def load_music_stream(self, file_path: Path, name: str) -> str:
         """Load a music stream and return music ID"""
         if platform.system() == 'Windows':
-            # Use Windows ANSI codepage (e.g., cp932 for Japanese, cp1252 for Western)
+            # Use Windows ANSI codepage (cp932 for Japanese)
             file_path_str = str(file_path).encode('cp932', errors='replace')
         else:
             file_path_str = str(file_path).encode('utf-8')

libs/global_data.py

@@ -1,6 +1,6 @@
 from dataclasses import dataclass, field
 from pathlib import Path
-from typing import Any, Optional, TypedDict
+from typing import Any, TypedDict
 
 class GeneralConfig(TypedDict):
     fps_counter: bool
@@ -56,7 +56,6 @@ class AudioConfig(TypedDict):
     device_type: int
     sample_rate: int
     buffer_size: int
-    exclusive: bool
 
 class VolumeConfig(TypedDict):
     sound: float

libs/utils.py

@@ -5,6 +5,7 @@ import sys
 import logging
 import time
 import json
+import cffi
 from libs.global_data import Config, global_data
 from functools import lru_cache
 from pathlib import Path
@@ -82,7 +83,29 @@ def get_config() -> Config:
     with open(config_path, "r", encoding="utf-8") as f:
         config_file = tomlkit.load(f)
 
-    return json.loads(json.dumps(config_file))
+    config: Config = json.loads(json.dumps(config_file))
+    if config["audio"]["device_type"] == -1:
+        if sys.platform == "win32":
+            ffi = cffi.FFI()
+            ffi.cdef("""
+                const char* get_host_api_name(PaHostApiIndex hostApi);
+            """)
+            lib = ffi.dlopen("libaudio.dll")
+            for i in range(5):
+                result = lib.get_host_api_name(i) # type: ignore
+                result = ffi.string(result)
+                if isinstance(result, bytes):
+                    result = result.decode('utf-8')
+                if "WDM" in result:
+                    config["audio"]["device_type"] = i
+                    break
+            else:
+                config["audio"]["device_type"] = 0
+        else:
+            config["audio"]["device_type"] = 0
+        save_config(config)
+
+    return config
 
 def save_config(config: Config) -> None:
     """Save the configuration to the TOML file"""