{"id":2173,"date":"2014-09-18T10:34:03","date_gmt":"2014-09-18T01:34:03","guid":{"rendered":"http:\/\/serenegiant.com\/blog\/?p=2173"},"modified":"2014-09-18T10:34:03","modified_gmt":"2014-09-18T01:34:03","slug":"%e3%83%97%e3%83%ad%e3%82%bb%e3%82%b9%e9%96%93%e3%81%a7%e3%81%ae%e5%a4%a7%e9%87%8f%e3%83%87%e3%83%bc%e3%82%bf%e4%ba%a4%e6%8f%9b%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6%e8%aa%bf%e3%81%b9%e3%81%a6%e3%81%bf","status":"publish","type":"post","link":"https:\/\/serenegiant.com\/blog\/?p=2173","title":{"rendered":"\u30d7\u30ed\u30bb\u30b9\u9593\u3067\u306e\u5927\u91cf\u30c7\u30fc\u30bf\u4ea4\u63db\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u307f\u305f"},"content":{"rendered":"<p>\u3068\u3042\u308b\u4e8b\u60c5\u3067\u3001Android\u306e\u30d7\u30ed\u30bb\u30b9\u9593\u3092\u6570\u30e1\u30ac\u301c\uff12\uff10\uff10\u30e1\u30ac\u30d0\u30a4\u30c8\/\u79d2\u3050\u3089\u3044\u3067\u30c7\u30fc\u30bf\u3092\u3084\u308a\u3068\u308a\u3059\u308b\u65b9\u6cd5\u3092\u8abf\u3079\u3066\u307f\u305f\u3002<\/p>\n<h4>\u30d7\u30ed\u30bb\u30b9\u9593\u901a\u4fe1<\/h4>\n<p>Android\u3067\u30d7\u30ed\u30bb\u30b9\u9593\u901a\u4fe1\u3068\u3044\u3048\u3070\u3001<\/p>\n<ul>\n<li>Intent<br \/>\n\t\u4e00\u756a\u7c21\u5358\u3060\u3051\u3069\u3001\u5358\u767a\/\u4f4e\u983b\u5ea6\u3067\u5c11\u91cf\u306e\u30c7\u30fc\u30bf\u306e\u3084\u308a\u53d6\u308a\u3057\u304b\u7121\u7406\n\t<\/li>\n<li>Messenger(+Handler)<br \/>\n\t\u5358\u767a\/\u4f4e\u983b\u5ea6\u3067\u5c11\u91cf\u306e\u30c7\u30fc\u30bf\u306e\u3084\u308a\u53d6\u308a\u3057\u304b\u7121\u7406\n\t<\/li>\n<li>Binder\u3092\u4f7f\u3046(Java\u304b\u3089\u306a\u3089\u30b5\u30fc\u30d3\u30b9\u7d4c\u7531\u306e\u3084\u308a\u3068\u308a\u304cBinder\u3092\u4f7f\u3063\u3066\u3044\u308b\u307f\u305f\u3044\u3067\u3059)<br \/>\n\t\u6570\u767e\u301c\u6570\u5343\u30d0\u30a4\u30c8\u7a0b\u5ea6\u3092\u9ad8\u901f\u306b\u3084\u308a\u3068\u308a\u53ef\u80fd\u3089\u3057\u3044\u30fb\u30fb\u30fb<br \/>\n\t\u3067\u3082\u5b9f\u969b\u306b\u8a66\u3059\u3068\u3001\u6570\u5341\u301c\u6570\u767e\u30ad\u30ed\u30d0\u30a4\u30c8\u306e\u6642\u70b9\u3067\u9045\u5ef6\u304c\u5927\u304d\u3059\u304e\u3066\u3060\u3081\u3067\u3057\u305f\u3002\u9ad8\u983b\u5ea6\u306a\u3089\u5b9f\u7528\u7684\u306b\u306f\u305b\u3044\u305c\u3044\u767e\u6570\u5341\u30d0\u30a4\u30c8\u7a0b\u5ea6\u307e\u3067\u306b\u3057\u3068\u3044\u305f\u307b\u3046\u304c\u826f\u3055\u305d\u3046\u3067\u3057\u305f\u3002\n\t<\/li>\n<li>\u5171\u6709\u30e1\u30e2\u30ea(Ashmem=Anonymous Shared Memory)<br \/>\n\t\u3053\u308c\u306f\u5225\u9014\u5f8c\u3067\u3002\n\t<\/li>\n<li>Unix\u30c9\u30e1\u30a4\u30f3\u30bd\u30b1\u30c3\u30c8<br \/>\n\t\u5171\u6709\u30e1\u30e2\u30ea\u304c\u4f7f\u3048\u305f\u306e\u3068\u3001\u6700\u7d42\u7684\u306b\u3082\u3063\u3068\u9055\u3046\u65b9\u6cd5\u306b\u843d\u3061\u7740\u3044\u305f\u306e\u3067\u3061\u3083\u3093\u3068\u78ba\u304b\u3081\u3066\u306a\u3044\u3051\u3069\u3001\u4e00\u822c\u8ad6\u3068\u3057\u3066\u3001\u5171\u6709\u30e1\u30e2\u30ea\u3088\u308a\u3082\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u5927\u304d\u3044\u3067\u3059\u3088\u306d\u3002native\u540c\u58eb\u3067\u3082\u6bd4\u8f03\u7684\u5bb9\u6613\u306b\u4f7f\u3048\u308b\u306e\u304c\u30e1\u30ea\u30c3\u30c8\u304b\u306a\uff1f\n\t<\/li>\n<li>TCP\/UDP\u30bd\u30b1\u30c3\u30c8<br \/>\n\t\u540c\u4e0a\n\t<\/li>\n<li>(\u540d\u524d\u4ed8\u304d)\u30d1\u30a4\u30d7<br \/>\n\t\u540c\u4e0a\n\t<\/li>\n<\/ul>\n<p>\u3068\u3044\u3046\u306e\u304c\u6709\u308b\u3089\u3057\u3044\u3067\u3059\u3002<\/p>\n<h4>\u5171\u6709\u30e1\u30e2\u30ea<\/h4>\n<p>Intent\u3084Messenger(+Handler)\u306f\u7aef\u304b\u3089\u5bfe\u8c61\u5916\u3001Binder\u3084\u30b5\u30fc\u30d3\u30b9\u3067\u306e\u82e6\u52b4\u8a71\u306f\u7f6e\u3044\u3068\u3044\u3066\u3001\u5171\u6709\u30e1\u30e2\u30ea\u3067\u3059\u3002\u30b0\u30eb\u30b0\u30eb\u5148\u751f\u306b\u805e\u304f\u3068Android\u3067\u306fLinux\u306b\u5143\u3005\u3042\u3063\u305f\u5171\u6709\u30e1\u30e2\u30ea\u306e\u4ee3\u308f\u308a\u306bAshmen\u3068\u3044\u3046\u306e\u3092\u4f7f\u3046\u3089\u3057\u3044\u3067\u3059(\u4eca\u306fLinux\u3067\u3082\u4f7f\u3048\u308b\u3089\u3057\u3044\u3067\u3059\u3051\u3069)\u3002<br \/>\n\u3067\u3082\u3001\u4f7f\u3046\u305f\u3081\u306e\u95a2\u6570\u7fa4\u304clibcutils.so\u306b\u542b\u307e\u308c\u3066\u3066\u3001Java\/NDK\u304b\u3089\u306e\u4f7f\u7528\u306f\u672a\u30b5\u30dd\u30fc\u30c8\u3002AOSP\u304b\u3089\u30d8\u30c3\u30c0\u30fc\u3068\u4e00\u7dd2\u306b\u3082\u3063\u3066\u6765\u308b\u3068\u304b\u30a8\u30df\u30e5\u30ec\u30fc\u30bf\u3084\u5b9f\u6a5f\u304b\u3089\u5f15\u3063\u3053\u629c\u304f\u3068\u304b\u3063\u3066\u8a71\u306b\u306a\u308b\u307f\u305f\u3044\u3002<\/p>\n<h5>android.os.MemoryFile\u767a\u898b(^^)v<\/h5>\n<p>\u3061\u3087\u3063\u3068\u9762\u5012\u3001\u3068\u304b\u601d\u3044\u3064\u3064SDK\u306eAPI\u30ec\u30d5\u30a1\u30ec\u30f3\u30b9\u3092\u773a\u3081\u3066\u305f\u3089\u3001android.os.MemoryFile\u3068\u8a00\u3046\u30af\u30e9\u30b9\u304c\u6709\u308a\u307e\u3057\u305f\u3002<br \/>\n\u4e0a\u306eAshmem\u306eJava\u306e\u30e9\u30c3\u30d1\u30fc\u30af\u30e9\u30b9\u307f\u305f\u3044\u3067\u3059\u3002\uff3c(^o^)\uff0f\u3068\u601d\u3063\u3066\u8a66\u3057\u305f\u3093\u3067\u3059\u304c\u3001\u30d7\u30ed\u30bb\u30b9\u9593\u3092\u307e\u305f\u3050\u65b9\u6cd5\u304c\u3088\u304f\u5224\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3069\u3046\u3084\u3089\u30d7\u30ed\u30bb\u30b9\u5185\u3067\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u4f7f\u3046\u306e\u304c\u4e3b\u76ee\u7684\u307f\u305f\u3044\u3002\u6b8b\u5ff5(\u00b4\u30fb\u03c9\u30fb\uff40)<\/p>\n<h5>libcutils.so\u3068\u304b\u3092\u6301\u3063\u3066\u3053\u306a\u304f\u3066\u3082\u7c21\u5358\u306b\u3044\u3051\u305f<\/h5>\n<p>\u3057\u3087\u3046\u304c\u7121\u3044\u306e\u3067\u3001libcutils.so\u306e\u30bd\u30fc\u30b9\u3068android.os.MemoryFile\u306enative\u5074\u306e\u5b9f\u88c5\u3092\u773a\u3081\u3066\u307f\u308b\u3068\u30fb\u30fb\u30fb\u5225\u306blibcutils.so\u3068\u305d\u306e\u30d8\u30c3\u30c0\u30fc\u3092\u308f\u3056\u308f\u3056\u6301\u3063\u3066\u3053\u306a\u304f\u3066\u3082\u3001NDK\u306b\u542b\u307e\u308c\u308b\u95a2\u6570\u3060\u3051\u3067\u4ee3\u7528\u3067\u304d\u305d\u3046\u3067\u3059\u3002\u3068\u3044\u3046\u304b\u3001\u307b\u307c\u307e\u3093\u307e\u30b3\u30d4\u30fc\u3057\u3066\u304f\u308b\u3060\u3051\u3067\u3057\u305f\u3002C++\u306e\u30af\u30e9\u30b9\u306b\u3057\u305f\u306e\u3067\u3001\u307e\u308b\u307e\u308b\u30b3\u30d4\u30fc\u3067\u306f\u306a\u3044\u3051\u3069\u3001\u30d7\u30ed\u30bb\u30b9\u5185\u306b\u95a2\u3057\u3066\u306f\u7c21\u5358\u306b\u52d5\u304f\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h4>\u3084\u3063\u3071\u308a\u3064\u307e\u3065\u304f\u306e\u306f\u30d7\u30ed\u30bb\u30b9\u9593<\/h4>\n<p>\u3067\u3001\u554f\u984c\u306e\u30d7\u30ed\u30bb\u30b9\u9593\u306e\u5171\u6709\u3067\u3059\u3002\u5358\u306b\u540d\u524d\u3092\u540c\u3058\u306b\u3057\u305f\u3060\u3051\u3067\u306fMemoryFile\u3068\u4e00\u7dd2\u3067\u3046\u307e\u304f\u884c\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u306a\u3093\u304b\u3084\u308a\u65b9\u9593\u9055\u3063\u3066\u308b\u306e\u304b\u306a\u3041\u3002<br \/>\n\u6b21\u306b\u3001\u751f\u6210\u3057\u305fashmem\u306enative\u306e\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf(=int\u5024)\u3092\u30b3\u30d4\u30fc\u3057\u3066\u3001\u30b5\u30fc\u30d3\u30b9\u7d4c\u7531\u3067\u6e21\u3057\u3066mmap\u306e\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3068\u3057\u3066\u6e21\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u30fb\u30fb\u30fb\u8aad\u307f\u66f8\u304d\u306b\u30a8\u30e9\u30fc\u306f\u51fa\u306a\u3044\u3051\u3069\u30c7\u30fc\u30bf\u304c\u8aad\u307f\u51fa\u305b\u306a\u3044\u30fb\u30fb\u30fb(T_T) \u3082\u3061\u308d\u3093\u3001MAP_SHARED\u30d5\u30e9\u30b0\u6307\u5b9a\u3060\u3088\u3002<\/p>\n<h4>m(_ _)m\u3000\u266a\u301cParcelFileDescriptor\u69d8 \u964d\u81e8\u301c\u266a m(_ _)m<\/h4>\n<p>\u304c\u3063\u304b\u308a\u301c\u3063\u3066\u601d\u3063\u3066\u3075\u3066\u5bdd\u3057\u3066\u3044\u308b\u3068\u3075\u3068\u601d\u3044\u3064\u304d\u307e\u3057\u305f\u3002\u7d50\u5c40\u306e\u3068\u3053\u308d\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u304c\u3061\u3083\u3093\u3068\u6e21\u3063\u3066\u306a\u3044\u3093\u3060\u308d\u3046\u3063\u3066\u3002\u3069\u3046\u3059\u308c\u3070\u30d7\u30ed\u30bb\u30b9\u9593\u3092\u307e\u305f\u3044\u3067\u6b63\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3092\u6e21\u305b\u308b\u304b\u3092\u8abf\u3079\u305f\u6240\u3001\u3069\u3046\u3084\u3089ParcelFileDescriptor\u3068\u3044\u3046\u306e\u304c\u30ad\u30fc\u306e\u3088\u3046\u3067\u3059\u3002<br \/>\n\u3064\u307e\u308a\u3001<\/p>\n<ol>\n<li>native\u5074\u3067\u5171\u6709\u30e1\u30e2\u30ea(ashmem)\u3092\u751f\u6210\u3057\u3066\u3001mmap\u3067\u30de\u30c3\u30d7\u3059\u308b@\u30d7\u30ed\u30bb\u30b9A<\/li>\n<li>\u5171\u6709\u30e1\u30e2\u30ea\u306enative\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3092\u53d6\u5f97@\u30d7\u30ed\u30bb\u30b9A<\/li>\n<li>native\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf(\u6574\u6570\u5024)\u3092JNI\u7d4c\u7531\u3067Java\u5074\u3078\u5f15\u304d\u6e21\u3059@\u30d7\u30ed\u30bb\u30b9A<\/li>\n<li>ParcelFileDescriptor#fromFd(native\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf)\u3092\u547c\u3073\u51fa\u3057\u3066ParcelFileDescriptor\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b@\u30d7\u30ed\u30bb\u30b9A<\/li>\n<li>ParcelFileDescriptor\u3092\u30b5\u30fc\u30d3\u30b9(AIDL)\u7d4c\u7531\u3067\u5225\u30d7\u30ed\u30bb\u30b9\u3078\u9001\u308a\u3064\u3051\u308b(\u30d7\u30ed\u30bb\u30b9A => \u30d7\u30ed\u30bb\u30b9B)<br \/>\n\t\u3061\u3083\u3093\u3068\u78ba\u8a8d\u306f\u3057\u3066\u306a\u3044\u3051\u3069\u3001AIDL\u4f7f\u308f\u306a\u304f\u3066\u3082Messenger\/Handler\u3068\u304b\u30bd\u30b1\u30c3\u30c8\u3068\u304b\u7d4c\u7531\u3067\u6e21\u3057\u3066\u3082\u5927\u4e08\u592b\u307f\u305f\u3044\u3067\u3059\u3002\n\t<\/li>\n<li>ParcelFileDescriptor#getFD\u3092\u547c\u3073\u51fa\u3057\u3066\u3001\u5909\u63db\u3055\u308c\u305fnative\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3092\u53d6\u5f97\u3059\u308b@\u30d7\u30ed\u30bb\u30b9B<\/li>\n<li>JNI\u7d4c\u7531\u3067native\u5074\u3078\u5f15\u304d\u6e21\u3059@\u30d7\u30ed\u30bb\u30b9B<\/li>\n<li>mmap\u3067\u30de\u30c3\u30d7\u3059\u308b@\u30d7\u30ed\u30bb\u30b9B<\/li>\n<\/ol>\n<p>\u3068\u3059\u308b\u3068\u3001\u30d7\u30ed\u30bb\u30b9A\u3067\u751f\u6210\u3057\u305f\u5171\u6709\u30e1\u30e2\u30ea\u3078\u30d7\u30ed\u30bb\u30b9A\/\u30d7\u30ed\u30bb\u30b9B\u3067\u8aad\u307f\u66f8\u304d\u51fa\u6765\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff3c(^o^)\uff0f<br \/>\n\u30d7\u30ed\u30bb\u30b9A\/B\u305d\u308c\u305e\u308c\u306enative\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3092\u898b\u308b\u3068\u305d\u308c\u305e\u308c\u9055\u3046\u5024\u306b\u306a\u3063\u3066\u3044\u305f\u306e\u3067\u3001ParcelFileDescriptor\u3092\u4f7f\u3063\u3066\u9001\u308a\u3064\u3051\u308b\u9593\u306b\u30b7\u30b9\u30c6\u30e0\u5074\u3067\u90fd\u5408\u3088\u304f\u5909\u63db\u3057\u3066\u304f\u308c\u308b\u307f\u305f\u3044\u3067\u3059\u3002<\/p>\n<p>\nMemoryFile\u306e\u5834\u5408\u306f\u3001\u30ea\u30d5\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u4f7f\u3048\u3070\u306a\u3093\u3068\u304bnative\u306e\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3092\u53d6\u5f97\u3067\u304d\u308b\u306e\u3067\u3001\u30d7\u30ed\u30bb\u30b9B\u306bParcelFileDescriptor\u3068\u3057\u3066\u9001\u308a\u3064\u3051\u308b\u3053\u3068\u307e\u3067\u306f\u51fa\u6765\u305f\u306e\u3067\u3059\u304c\u3001\u305d\u306e\u5f8c\u53d7\u3051\u5074\u306e\u30d7\u30ed\u30bb\u30b9\u3067MemoryFile\u306b\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3092\u5f15\u304d\u6e21\u3059\u306e\u304c\u99c4\u76ee\u3067\u3057\u305f\u3002native\u5074\u3067MemoryFile\u306e\u4e2d\u8eab\u3092\u3044\u3058\u308b\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u3051\u3070\u4e0d\u53ef\u80fd\u3067\u306f\u306a\u3055\u305d\u3046\u306a\u6c17\u3082\u3057\u307e\u3057\u305f\u304c\u3001\u305d\u308c\u306a\u3089\u3001\u5168\u90e8\u79fb\u690d\u3057\u3066\u3057\u307e\u3063\u305f\u65b9\u304c\u7c21\u5358\u3068\u3044\u3046\u7d50\u679c\u3067\u3057\u305f\u3002\n<\/p>\n<h4>\u305d\u308c\u306f\u305d\u3046\u3068\u3057\u3066<\/h4>\n<p>\u305d\u3082\u305d\u3082\u306a\u3093\u3067\u3001\u305d\u3093\u306a\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u30d7\u30ed\u30bb\u30b9\u9593\u307e\u305f\u304c\u305b\u3088\u3046\u3068\u3057\u305f\u304b\u3068\u3044\u3046\u3068\u3001UVC\u30ab\u30e1\u30e9\u304b\u3089\u306e\u6620\u50cf\u3092\u53d6\u5f97\u3059\u308b\u5225\u30d7\u30ed\u30bb\u30b9\u3067\u52d5\u304f\u30b5\u30fc\u30d3\u30b9\u3092\u5b9f\u88c5\u3057\u3088\u3046\u3068\u3057\u305f\u304b\u3089\u3067\u3059\u3002\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u629c\u304d\u306b\u3057\u305f\u5b9f\u8ee2\u9001\u91cf\u3068\u3057\u3066\u306f\u3001640&#215;480\/YUV@30fps\u3060\u3068\u7d0418MB\/\u79d2\u3001FullHD\u3060\u30681920&#215;1080\/YUV@30fps\u3068\u3057\u3066\u7d04120MB\/\u79d2\u306a\u306e\u3067\u3001\u6700\u5927\u767e\u6570\u5341MB\/\u79d2\u3050\u3089\u3044\u3067\u8ee2\u9001\u3067\u304d\u308c\u3070\u7406\u60f3\u3067\u3059\u3002<br \/>\n\u8a66\u3057\u3066\u898b\u305f\u9650\u308a\u3067\u306f\u3001\u540c\u3058\u30d7\u30ed\u30bb\u30b9\u5185\u3067\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u547c\u3073\u51fa\u3057\u3066\u5b9f\u884c\u3059\u308b\u306e\u3068\u3001\u5225\u30d7\u30ed\u30bb\u30b9\u3067\u52d5\u304f\u30b5\u30fc\u30d3\u30b9\u3067\u53d6\u5f97\u3057\u305f\u6620\u50cf\u3092\u5171\u6709\u30e1\u30e2\u30ea\u7d4c\u7531\u3067\u53d6\u5f97\u3059\u308b\u306e\u3068\u3067\u5927\u304d\u306a\u901f\u5ea6\u3078\u306e\u5f71\u97ff\u306f\u306a\u3055\u305d\u3046\u3067\u3057\u305f\u3002<br \/>\n\u3068\u8a00\u3046\u4e8b\u3067\u307b\u307c\u5171\u6709\u30e1\u30e2\u30ea\u3092\u4f7f\u3046\u65b9\u5411\u3067\u6c7a\u307e\u308a\u304b\u304b\u3063\u3066\u3044\u305f\u3093\u3067\u3059\u304c\u3001\u5225\u306e\u65b9\u6cd5\u3092\u601d\u3044\u3064\u3044\u305f\u3001\u3068\u8a00\u3046\u304b\u6c17\u304c\u3064\u3044\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n<h4>\u3078\u3047\u301c<\/h4>\n<p>\u305d\u3093\u306a\u4e8b\u3067\u304d\u305f\u3093\u3060\u3041\u3063\u3066\u611f\u3058\u3067\u3059\u304c\u3001\u4f55\u304b\u5224\u308a\u307e\u3059\uff1f<\/p>\n<p>\n\u5b9f\u306f\u3067\u3059\u306d\u301c\u3001ParcelFileDescriptor\u3060\u3051\u3067\u306f\u306a\u304f\u3001Suface\u3082\u30d7\u30ed\u30bb\u30b9\u9593\u3092\u307e\u305f\u3044\u3067\u6e21\u3059\u3053\u3068\u304c\u51fa\u6765\u308b\u306e\u3067\u3059(*_*)\u3002\u5171\u6709\u30e1\u30e2\u30ea\u306b\u5922\u4e2d\u3067\u3001Surface\u306b\u6c17\u304c\u56de\u3063\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001\u305d\u3082\u305d\u3082\u6700\u7d42\u7684\u306b\u306fSurface\u3078\u63cf\u753b\u3057\u305f\u3044\u306e\u3067\u3057\u305f\u3002\u4e0a\u3067\u66f8\u3044\u305f\u3088\u3046\u306b\u3001\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u3082native\u304b\u3089\u53d6\u5f97\u3057\u305f\u305d\u306e\u307e\u307e\u306e\u5024\u3067\u306f\u5f15\u304d\u6e21\u305b\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001ParcelFileDescriptor\u3092\u7d4c\u7531\u3059\u308c\u3070OK\u3067\u3057\u305f\u3002\u3057\u304b\u3082ParcelFileDescriptor\u3082Suface\u3082\u3001Parcelable\u3068\u3044\u3046\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3082\u3057\u3084\u3001Surface\u3067\u3082\u3044\u3051\u3093\u3058\u3083\u306a\u3044\u304b\u3068\u601d\u3063\u3066\u8a66\u3057\u3066\u307f\u308b\u3068\u30fb\u30fb\u30fb\u3046\u307e\u304f\u3044\u304d\u307e\u3057\u305f\uff3c(^o^)\uff0f\n<\/p>\n<p>\u3064\u307e\u308a\u3001<\/p>\n<ol>\n<li>Surface\u3092\u53d6\u5f97(SurfaceView\u3068\u304bGLSurfaceView\u3001\u3042\u308b\u3044\u306fTextureView\u304b\u3089\u3067\u3082OK)@\u30d7\u30ed\u30bb\u30b9B<\/li>\n<li>\u30b5\u30fc\u30d3\u30b9\u7d4c\u7531\u3067Surface\u3092\u30d7\u30ed\u30bb\u30b9A\u306b\u6e21\u3059(\u30d7\u30ed\u30bb\u30b9B => \u30d7\u30ed\u30bb\u30b9A)\u3002<\/li>\n<li>\u5909\u63db\u3055\u308c\u305fSurface\u3092native\u5074\u3078\u5f15\u304d\u6e21\u3059@\u30d7\u30ed\u30bb\u30b9A<\/li>\n<li>native\u5074\u3067Surface\u3078\u63cf\u753b\u3059\u308b@\u30d7\u30ed\u30bb\u30b9A<\/li>\n<\/ol>\n<p>\u3068\u3057\u307e\u3059\u3002\u5c11\u306a\u304f\u3068\u3082\u30d7\u30ed\u30bb\u30b9\u9593\u3092\u307e\u305f\u3044\u3067Surface\u3092\u5f15\u304d\u6e21\u3059\u90e8\u5206\u306f\u307b\u307cJava\u5fc5\u9808\u306b\u306a\u308b\u3051\u3069\u3001\u5171\u6709\u30e1\u30e2\u30ea\u3092\u4f7f\u3046\u3088\u308a\u8d85\u7c21\u5358\u3060\u301c\u3002<\/p>\n<p>\n\u30c7\u30fc\u30bf\u66f4\u65b0\u3059\u308b\u5834\u5408\u5171\u6709\u30e1\u30e2\u30ea\u3092\u4f7f\u3046\u306e\u3067\u3042\u308c\u3070\u3001\n<\/p>\n<ol>\n<li>\u5171\u6709\u30e1\u30e2\u30ea\u3078\u30d5\u30ec\u30fc\u30e0\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f@\u30d7\u30ed\u30bb\u30b9A<\/li>\n<li>\u30d7\u30ed\u30bb\u30b9A\u304b\u3089\u30d7\u30ed\u30bb\u30b9B\u3078\u30d5\u30ec\u30fc\u30e0\u30c7\u30fc\u30bf\u306e\u66f4\u65b0\u901a\u77e5<\/li>\n<li>\u5171\u6709\u30e1\u30e2\u30ea\u304b\u3089\u30d5\u30ec\u30fc\u30e0\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u51fa\u3057\u3066\u63cf\u753b@\u30d7\u30ed\u30bb\u30b9B<\/li>\n<\/ol>\n<p>\n\u3066\u306a\u624b\u9806\u3092\u7e70\u8fd4\u3057\u5b9f\u884c\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3067\u3059\u3057\u3001\u5171\u6709\u30e1\u30e2\u30ea\u306e\u6392\u4ed6\u5236\u5fa1\u306b\u3082\u30d1\u30fc\u30b8\u3055\u308c\u3061\u3083\u3063\u3066\u306a\u3044\u304b\u3082\u6c17\u3092\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\n<\/p>\n<p>\n\u3067\u3082\u30d7\u30ed\u30bb\u30b9\u3092\u307e\u305f\u3044\u3067Surface\u3092\u6e21\u3057\u3061\u3083\u3046\u306e\u3067\u3042\u308c\u3070\u3001<br \/>\n\u6392\u4ed6\u5236\u5fa1\u306fSurace\u306eLock\/UnLockAndPost\u3067\u7247\u4ed8\u304f(Java\u3067\u3082native\u3067\u3082\u4e00\u7dd2)<br \/>\n\u66f4\u65b0\u901a\u77e5\u306f\u3001<\/p>\n<ul>\n<li>\u30d7\u30ed\u30bb\u30b9B\u3067\u5185\u5bb9\u3092\u8aad\u307f\u51fa\u3059\u5fc5\u8981\u304c\u306a\u3051\u308c\u3070\u3001(native\u3067\u3082Java\u3067\u3082)\u4f55\u3082\u3057\u306a\u3044\u3067\u3044\u3044<\/li>\n<li>\u30d7\u30ed\u30bb\u30b9B\u3067\u5185\u5bb9\u3092\u8aad\u307f\u51fa\u3057\u305f\u3044\u5834\u5408\u306f\u3001SurfaceTexture\u304b\u3089\u4f5c\u3063\u305fSurface\u3092\u6e21\u3057\u3066\u3001SurfaceTexture.OnFrameAvailableListener\u3092\u4f7f\u3046\u306e\u304c\u4e00\u756a\u7c21\u5358\u305d\u3046(\u30d7\u30ed\u30bb\u30b9B\u304cJava\u5fc5\u9808\u306b\u306a\u308b\u3051\u3069)<\/li>\n<\/ul>\n<p>\u3066\u306a\u611f\u3058\u3067\u3001\u6587\u7ae0\u3067\u66f8\u304f\u3068\u30a4\u30de\u30a4\u30c1\u304b\u3082\u3057\u308c\u306a\u3044\u3051\u3069\u3001\u5b9f\u88c5\u4e0a\u306f\u304b\u306a\u308a\u697d\u3061\u3093\u3067\u3059\u3002\u5b9f\u969b\u306b\u306f\u30b7\u30b9\u30c6\u30e0\u5185\u90e8\u3067SurfaceFlinger\u304b\u4f55\u304b\u304c\u4f3c\u305f\u3088\u3046\u306a\u51e6\u7406\u3092\u3057\u3066\u3044\u308b\u3093\u3067\u3057\u3087\u3046\u3051\u3069\u3002\n<\/p>\n<p>\u3068\u8a00\u3046\u4e8b\u3067\u3001\u6c4e\u7528\u7684\u306a\u30d7\u30ed\u30bb\u30b9\u9593\u306e\u5927\u91cf\u30c7\u30fc\u30bf\u4ea4\u63db\u306b\u306f\u4f7f\u3048\u306a\u3044\u3051\u3069\u3001\u6700\u7d42\u7684\u306b\u63cf\u753b\u3059\u308b\u6620\u50cf\u30c7\u30fc\u30bf\u306a\u3089\u4e00\u6c17\u306b\u63cf\u753b\u307e\u3067\u51fa\u6765\u308b\u306e\u3067\u304a\u5f97\u306a\u306e\u304b\u3082\u3002<br \/>\nTextureView\u307e\u305f\u306f\u81ea\u524d\u3067\u751f\u6210\u3057\u305fSurfaceTexture\u304b\u3089\u53d6\u5f97\u3057\u305fSurface\u3067\u3042\u308c\u3070\u3001GPU\u4e0a\u306b\u30c6\u30af\u30b9\u30c1\u30e3\u3068\u3057\u3066\u76f4\u63a5\u66f8\u304d\u8fbc\u3080\u3053\u3068\u3082\u53ef\u80fd\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\n\u3061\u3087\u3063\u3068\u5fc3\u914d\u306a\u306e\u306f\u3001\u624b\u6301\u3061\u306e\u6a5f\u7a2e\u3067\u306f\u554f\u984c\u306a\u3044\u3082\u306e\u306e\u3001\u4ed6\u306e\u8272\u3093\u306a\u6a5f\u7a2e\u3067\u554f\u984c\u306a\u304f\u52d5\u304f\u3093\u3084\u308d\u304b\u3063\u3066\u306e\u304c\u3042\u308b\u3093\u3060\u3051\u3069\u306d\u3002Surface\u304c\u30d7\u30ed\u30bb\u30b9\u9593\u3092\u307e\u305f\u3044\u3060\u6642\u306b\u30b7\u30b9\u30c6\u30e0\u5074\u3067\u4f55\u3092\u3084\u3063\u3066\u308b\u304b\u306f\u672a\u691c\u8a3c\u3060\u3051\u3069\u3001\u30d7\u30ed\u30bb\u30b9\u9593\u3092Surface\u306b\u8d85\u3048\u3055\u305b\u308b\u4e8b\u81ea\u4f53\u306fSDK\u306e\u7bc4\u56f2\u5185\u306e\u4e8b\u3057\u304b\u3057\u3066\u306a\u3044\u3057\u3001\u9055\u3046\u30d7\u30ed\u30bb\u30b9\u306b\u6e21\u3057\u305f\u3089\u99c4\u76ee\u3068\u304b\u9055\u3046\u30d7\u30ed\u30bb\u30b9\u3067\u63cf\u753b\u3057\u305f\u3089\u99c4\u76ee\u3068\u306f\u66f8\u3044\u3066\u306a\u3044\u306e\u3067\u3001\u5927\u4e08\u592b\u3060\u3068\u601d\u3046\u3053\u3068\u306b\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002\u7d50\u69cb\u6614\u304b\u3089Surface\u306fParcelable\u3092\u5b9f\u88c5\u3057\u3066\u3042\u308b\u3057\u3002\u3067\u3082SDK\/OS\u306e\u60f3\u5b9a\u5916\u306e\u4f7f\u3044\u65b9\u306a\u306e\u304b\u306a\u3041(^_^;)<span style=\"color: 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\/>\n\u304a\u75b2\u308c\u69d8\u3067\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3068\u3042\u308b\u4e8b\u60c5\u3067\u3001Android\u306e\u30d7\u30ed\u30bb\u30b9\u9593\u3092\u6570\u30e1\u30ac\u301c\uff12\uff10\uff10\u30e1\u30ac\u30d0\u30a4\u30c8\/\u79d2\u3050\u3089\u3044\u3067\u30c7\u30fc\u30bf\u3092\u3084\u308a\u3068\u308a\u3059\u308b\u65b9\u6cd5\u3092\u8abf\u3079\u3066\u307f\u305f\u3002 \u30d7\u30ed\u30bb\u30b9\u9593\u901a\u4fe1 Android\u3067\u30d7\u30ed\u30bb\u30b9\u9593\u901a\u4fe1\u3068\u3044\u3048\u3070\u3001 Intent \u4e00\u756a\u7c21\u5358\u3060\u3051\u3069\u3001\u5358\u767a\/\u4f4e\u983b\u5ea6\u3067\u2026<a id=\"my_more\" href=\"https:\/\/serenegiant.com\/blog\/?p=2173\" class=\"more\">&#x3E;&#x3E; 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