{"id":4000,"date":"2024-03-07T22:55:14","date_gmt":"2024-03-07T13:55:14","guid":{"rendered":"https:\/\/serenegiant.com\/blog\/?p=4000"},"modified":"2024-03-07T22:55:14","modified_gmt":"2024-03-07T13:55:14","slug":"%e3%81%84%e3%81%a4%e3%81%ae%e9%a0%83%e3%81%8bandroid%e3%81%a7uac%e6%a9%9f%e5%99%a8%e3%81%ae%e3%82%a4%e3%83%b3%e3%82%bf%e3%83%bc%e3%83%95%e3%82%a7%e3%83%bc%e3%82%b9%e3%82%92claim%e3%81%a7%e3%81%8d","status":"publish","type":"post","link":"https:\/\/serenegiant.com\/blog\/?p=4000","title":{"rendered":"\u3044\u3064\u306e\u9803\u304bAndroid\u3067UAC\u6a5f\u5668\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092claim\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u305f\ud83d\ude31"},"content":{"rendered":"<p>GitHub\u3067\u516c\u958b\u3057\u3066\u3044\u308bAndroid\u306eUnity\u30a2\u30d7\u30ea\u3067UVC\u6a5f\u5668\u304b\u3089\u306e\u6620\u50cf\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30ea\u30dd\u30b8\u30c8\u30ea<a href=\"https:\/\/github.com\/saki4510t\/UVC4UnityAndroid\" target=\"_blank\" rel=\"noopener\">UVC4UnityAndroid<\/a>\u306bWeb\u30ab\u30e1\u30e9\u304b\u3089\u97f3\u58f0\u3092\u53d6\u5f97\u3057\u305f\u3044\u3093\u3060\u3051\u3069\u3063\u3066\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u6765\u3066\u307e\u3057\u305f\u3002<\/p>\n<p>UVC4UnityAndroid\u3067UVC\u6a5f\u5668\u304b\u3089\u6620\u50cf\u3092\u53d6\u5f97\u3059\u308b\u306e\u306b\u4f7f\u3063\u3066\u3044\u308b\u30aa\u30ec\u30aa\u30ec\u30e9\u30a4\u30d6\u30e9\u30ea\u81ea\u4f53\u306fUAC1.0\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u3066\u97f3\u58f0\u53d6\u5f97\u3082\u53ef\u80fd\u3067\u3059\u3002<br \/>\n\u306a\u306e\u3067Unity\u5074\u3078\u5f15\u304d\u6e21\u3059\u65b9\u6cd5\u3092\u3061\u3087\u3063\u3068\u8abf\u3079\u3066\u307f\u3088\u3046\u304b\u306a\u3041\u301c\u3068\u8efd\u3044\u6c17\u6301\u3061\u3067\u8abf\u3079\u59cb\u3081\u305f\u3068\u3053\u308d\u2026\u9a5a\u6115\u306e\u4e8b\u5b9f\u304c\u767a\u899a\ud83d\ude31<\/p>\n<p>\u3044\u3064\u304b\u3089\u304b\u308f\u304b\u308a\u307e\u305b\u3093\u304c\u3001\u30aa\u30ec\u30aa\u30ec\u30e9\u30a4\u30d6\u30e9\u30ea\u306eUAC\u6a5f\u80fd\u304c\u52d5\u4f5c\u3057\u306a\u304f\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\ud83d\ude31<br \/>\n\u3088\u308a\u6b63\u78ba\u306b\u306fUAC\u6a5f\u80fd\u304c\u52d5\u4f5c\u3057\u306a\u304f\u306a\u3063\u305f\u7aef\u672b\u304c\u3044\u304f\u3064\u304b\u3042\u308b\u3068\u3044\u3046\u72b6\u614b\u3001\u3068\u308a\u3042\u3048\u305a\u3059\u3050\u306b\u78ba\u8a8d\u3067\u304d\u308b\u7aef\u672b\u3067\u306fPixel3(Android12)\u3092\u9664\u3044\u3066\u5168\u90e8\u3060\u3081\u3067\u3057\u305f\ud83d\ude2d<\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u8272\u3005\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>MotoG100\/MotoG10\/Pixel6pro\/Fire HD 8 Plus\/Fire HD 10 Plus\/Aquos Widh SM-20\u306f\u3060\u3081\u3001Pixel3\u306f\u5927\u4e08\u592b\u306a\u306e\u3067Android\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u3069\u3046\u3068\u3044\u3046\u3053\u3068\u3058\u3083\u306a\u3044\u307f\u305f\u3044\u3060\u3051\u3069\u6bd4\u8f03\u7684\u65b0\u3057\u3044\u306e\u306f\u5168\u6ec5\u306a\u611f\u3058\u3002<\/li>\n<li>\u4e0d\u5177\u5408\u306e\u5185\u5bb9\u3068\u3057\u3066\u306f\u3001UAC\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u6307\u5b9a\u3057\u305fUSBDEVFS_CLAIMINTERFACE\u306eioctl\u547c\u3073\u51fa\u3057\u304cerrno=EADDRNOTAVAIL(99)\u3067\u5931\u6557\u3059\u308b\u3002<\/li>\n<li>\u30b0\u30eb\u30b0\u30eb\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u305d\u306e\u3082\u306e\u30ba\u30d0\u30ea\u306f\u898b\u5f53\u305f\u3089\u3059\u3001\u305f\u3060\u3057UAC\/USB DAC\u95a2\u4fc2\u306f2020-2021\u5e74\u9803\u304b\u3089\u4eca\u306b\u81f3\u308b\u307e\u3067\u4e0d\u5177\u5408\u591a\u767a\u3057\u3066\u308b\u611f\u3058\u3002<\/li>\n<li>\u518d\u8d77\u52d5\u3057\u305f\u3089\u6539\u5584\u3059\u308b\u304b\u3082\uff1f<br \/>\n\t\u4f55\u306e\u52b9\u679c\u3082\u306a\u304b\u3063\u305f\ud83d\ude2d<\/li>\n<li>\u9332\u97f3\u306e\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u306e\u6709\u7121\u3067\u6539\u5584\u3059\u308b\u304b\u3082\uff1f<br \/>\n\t\u4f55\u306e\u52b9\u679c\u3082\u306a\u304b\u3063\u305f\ud83d\ude2d<\/li>\n<li>\u958b\u767a\u8005\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3042\u308b\u300c\u30c7\u30d5\u30a9\u30eb\u30c8\u306eUSB\u8a2d\u5b9a\u300d\u3067\u6539\u5584\u3059\u308b\u304b\u3082\uff1f<br \/>\n\t\u4f55\u306e\u52b9\u679c\u3082\u306a\u304b\u3063\u305f\ud83d\ude2d<br \/>\n\tUSB DAC\u304c\u4f7f\u3048\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306b\u306f\u300c\u30c7\u30d5\u30a9\u30eb\u30c8\u306eUSB\u8a2d\u5b9a\u300d\u3092\u300c\u30c7\u30fc\u30bf\u8ee2\u9001\u306a\u3057\u300d\u306b\u3059\u308b\u3053\u3068\u3067\u6539\u5584\u3059\u308b\u5834\u5408\u304c\u3042\u308b\u3089\u3057\u3044\u3067\u3059\u3002<\/li>\n<li>\u958b\u767a\u8005\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3042\u308b\u300cUSB\u30aa\u30fc\u30c7\u30a3\u30aa\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u7121\u52b9\u5316\u300d\u3067\u6539\u5584\u3059\u308b\u304b\u3082\uff1f<br \/>\n\t\u4f55\u306e\u52b9\u679c\u3082\u306a\u304b\u3063\u305f\ud83d\ude2d<\/li>\n<li>\u30a2\u30d7\u30ea\u306eAPI\u30ec\u30d9\u30eb\u3084\u30bf\u30fc\u30b2\u30c3\u30c8API\u30ec\u30d9\u30eb\u3092\u4e0b\u3052\u308b\u3068\u6539\u5584\u3059\u308b\u304b\u3082\uff1f<br \/>\n\t\u4f55\u306e\u52b9\u679c\u3082\u306a\u304b\u3063\u305f\ud83d\ude2d<\/li>\n<li>Android\u306eIssue Tracker\u306b\u3042\u304c\u3063\u3066\u308bPixel6\/6pro\u7b49\u3067USB DAC\u3078\u97f3\u58f0\u51fa\u529b\u3067\u304d\u306a\u3044\u4ef6\u306b\u95a2\u4fc2\u3042\u308b\u304b\u3082\uff1f<br \/>\n<a href=\"https:\/\/issuetracker.google.com\/issues\/210687963?pli=1\" rel=\"noopener\" target=\"_blank\">Pixel 6 prevents custom USB audio driver from playing<\/a><br \/>\n\t\u3088\u304f\u308f\u304b\u3089\u3093\u3051\u3069\u89e3\u6c7a\u306e\u624b\u304c\u304b\u308a\u306b\u306f\u306a\u3089\u306a\u304b\u3063\u305f\u3002<\/li>\n<li>\n<\/li>\n<\/ul>\n<p>\u306a\u3093\u3082\u308f\u304b\u3089\u3093\ud83d\udcab<\/p>\n<p>\u3068\u3053\u308d\u3067\u3001\u3054\u5b58\u3058\u306e\u65b9\u306f\u5c11\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u5143\u3005Android\u3067\u306eUAC\u6a5f\u5668\u30a2\u30af\u30bb\u30b9\u6642\u306b\u306f\u305a\u3045\u301c\u3063\u3068\u6614\u304b\u3089\u554f\u984c\u304c\u3042\u308a\u307e\u3057\u305f(\u77e5\u3063\u3066\u308b\u9650\u308a\u3067\u306f2017\u5e74\u306e\u6642\u70b9\u3067\u3082\u554f\u984c\u3042\u3063\u305f)<br \/>\n\u4f55\u304b\u3068\u3044\u3046\u3068UAC\u6a5f\u5668\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092claim(USBDEVFS_CLAIMINTERFACE\u306eioctl\u547c\u3073\u51fa\u3057)\u3059\u308b\u5834\u5408\u3001\u547c\u3073\u51fa\u3057\u5143\u306e\u30b9\u30ec\u30c3\u30c9\u304cJavaVM\u306b\u30a2\u30bf\u30c3\u30c1\u3057\u3066\u3044\u306a\u3044\u3068\u3060\u3081\u3068\u3044\u3046\u30a4\u30df\u30d5\u306a\u5236\u7d04\u3067\u3059\u3002\u3082\u3046\u3061\u3087\u3063\u3068\u8a73\u3057\u304f\u8a00\u3048\u3070\u3001JavaVm\u304c\u30a2\u30bf\u30c3\u30c1\u3057\u3066\u3044\u306a\u3044\u30cd\u30a4\u30c6\u30a3\u30d6\u5074\u306e\u30ef\u30fc\u30ab\u30fc\u30b9\u30ec\u30c3\u30c9\u4e0a\u3067claim\u3059\u308b\u3068errno=EBUSY\u3067\u305a\u3063\u3053\u3051\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u3068\u3044\u3046\u304b\u3053\u3093\u306a\u5236\u7d04\u3088\u304f\u898b\u3064\u3051\u305f\u306a\u6614\u306e\u81ea\u5206\ud83d\udc4d<\/p>\n<p>\u60f3\u50cf\u3067\u306f\u3001Android OS\/\u30ab\u30fc\u30cd\u30eb\u30c9\u30e9\u30a4\u30d0\u30fc\u5074\u304cUAC\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5e38\u6642\u63e1\u308a\u3057\u3081\u3066\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u30e9\u30f3\u30c9\u306e\u30a2\u30d7\u30ea\u304cclaim\u3057\u3088\u3046\u3068\u3057\u305f\u3068\u304d\u306bAndroid OS\/\u30ab\u30fc\u30cd\u30eb\u30c9\u30e9\u30a4\u30d0\u30fc\u5074\u304c\u4e00\u6642\u7684\u306b\u624b\u653e\u3059\u3088\u3046\u306a\u52d5\u4f5c\u306b\u306a\u3063\u3066\u3044\u308b\u3093\u3058\u3083\u306a\u3044\u304b\u306a\u3068\u3002\u7d50\u679c\u3068\u3057\u3066native\u5074\u304b\u3089\u547c\u3073\u51fa\u3057\u305f\u3068\u304d\u306bAndroidOS\u306eJava\u5074\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u5fc5\u8981\u306b\u306a\u308b\u305f\u3081\u306bJavaVM\u3078\u30a2\u30bf\u30c3\u30c1\u3057\u3066\u306a\u3044\u3068\u3060\u3081\u3060\u3063\u305f\u3001\u307f\u305f\u3044\u306a\u3053\u3068\u304b\u306a\u3068\u3002<\/p>\n<p>\u305d\u3093\u306a\u3053\u3093\u306a\u3067\u4e38\u4e00\u65e5\u8fd1\u304f\u30b0\u30c0\u30b0\u30c0\u3057\u3066\u3082\u3046\u3060\u3081\u304b\u306a\u3041\u3068\u601d\u3063\u3066\u3044\u308b\u3068\u3001\u964d\u3063\u3066\u304d\u307e\u3057\u305f\ud83d\udce1<br \/>\n\u5148\u306e\u60f3\u50cf\u901a\u308a\u306a\u306e\u3067\u3042\u308c\u3070Java\u5074\u306a\u3089UAC\u6a5f\u5668\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092claim\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u305d\u3046\u3067\u3059\u3002<br \/>\n\u3064\u307e\u308a\u300c\u3042\u3089\u304b\u3058\u3081UAC\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092Java\u5074\u3067claim\u3057\u3068\u3051\u3070\u3044\u3051\u3093\u3058\u3083\u306d\uff1f\u300d<\/p>\n<p>\u3068\u308a\u3042\u3048\u305aUsbDevice\u304b\u3089UAC\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u5bfe\u5fdc\u3059\u308bUsbInterface\u3092\u53d6\u5f97\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3001Java\u5074\u3067claim\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u3061\u3087\u3063\u3068\u52d5\u4f5c\u304c\u5b89\u5b9a\u3057\u306a\u3044\u3082\u306e\u306e\u4eca\u307e\u3067100%\u52d5\u304b\u306a\u304b\u3063\u305f\u306e\u304c\u52d5\u304f\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff3c(^o^)\uff0f<\/p>\n<p>\u3061\u306a\u307f\u306b\u3001Java\u5074\u3067claim\u3059\u308b\u306b\u306f<code>UsbDeviceConnection\uff03claimInterface<\/code>\u3001claim\u3092\u89e3\u9664\u3059\u308b\u306b\u306f<code>UsbDeviceConnection\uff03releaseInterface<\/code>\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u4eca\u65e5\u306e\u30ef\u30fc\u30af\u30a2\u30e9\u30a6\u30f3\u30c9\u306f<\/p>\n<ul>\n<li>native\u5074\u3067UAC\u3078\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5834\u5408\u306b\u306f\u3042\u3089\u304b\u3058\u3081Java\u5074\u3067\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092claimInterface\u3057\u3066\u304a\u304f\u3002<\/li>\n<li>\u4f7f\u3044\u7d42\u308f\u3063\u305f\u3089Java\u5074\u3067releaseInterface\u3092\u547c\u3093\u3067\u89e3\u653e\u3059\u308b\u3002<\/li>\n<\/ul>\n<p>\u306a\u3093\u306b\u3057\u3066\u3082\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306a\u3044\u7834\u58ca\u7684\u30c7\u30b0\u30ec\u3092\u5b9a\u671f\u7684\u306b\u3076\u3061\u8fbc\u3080\u306e\u306f\u3044\u3044\u52a0\u6e1b\u3084\u3081\u3066\u307b\u3057\u3044\ud83d\ude20<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GitHub\u3067\u516c\u958b\u3057\u3066\u3044\u308bAndroid\u306eUnity\u30a2\u30d7\u30ea\u3067UVC\u6a5f\u5668\u304b\u3089\u306e\u6620\u50cf\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30ea\u30dd\u30b8\u30c8\u30eaUVC4UnityAndroid\u306bWeb\u30ab\u30e1\u30e9\u304b\u3089\u97f3\u58f0\u3092\u53d6\u5f97\u3057\u305f\u3044\u3093\u3060\u3051\u3069\u3063\u3066\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u6765\u3066\u307e\u3057\u305f\u3002\u2026<a id=\"my_more\" href=\"https:\/\/serenegiant.com\/blog\/?p=4000\" class=\"more\">&#x3E;&#x3E; 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