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\u5df2\u7ecf\u6b63\u786e\u5730\u8d34\u597d\u4e86\u4e4b\u524d\u6240\u6709\u5e27&#xff0c;\u5b83\u53ea\u8d1f\u8d23\u628a&#034;\u65b0\u53d8\u5316&#034;\u53e0\u4e0a\u53bb\u3002\u8fd9\u662f\u4e00\u4e2a\u6709\u72b6\u6001\u7684\u534f\u8bae\u2014\u2014\u6bcf\u4e00\u5e27\u90fd\u4f9d\u8d56\u524d\u9762\u6240\u6709\u5e27\u90fd\u6b63\u786e\u5230\u8fbe\u3002<\/p>\n<p>\u90a3\u4e48\u4e00\u65e6\u4e2d\u95f4\u67d0\u4e00\u5e27\u4e22\u4e86&#xff0c;\u540e\u9762\u7684\u5e27\u53ea\u7ba1\u8865&#034;\u518d\u540e\u9762&#034;\u7684\u53d8\u5316&#xff0c;\u7edd\u4e0d\u4f1a\u56de\u5934\u53bb\u8865\u4f60\u4e22\u7684\u90a3\u51e0\u5757\u3002\u8fd9\u5c31\u662f\u6240\u8c13\u7684&#034;\u7d2f\u79ef\u8bef\u5dee&#034;\u9690\u60a3&#xff1a;\u4e22\u4e00\u5757&#xff0c;\u5c11\u4e00\u5757&#xff0c;\u800c\u4e14\u4e22\u7684\u8d8a\u591a\u8d8a\u96be\u770b\u3002<\/p>\n<p>\u6709\u4eba\u4f1a\u8bf4&#xff1a;\u90a3\u5e72\u8106\u6bcf\u5e27\u90fd\u53d1\u5b8c\u6574\u753b\u9762&#xff08;\u5173\u952e\u5e27&#xff09;\u4e0d\u5c31\u884c\u4e86&#xff1f;\u95ee\u9898\u662f\u5173\u952e\u5e27\u4f53\u79ef\u5927\u5f97\u591a\u3002\u524d\u9762\u5b9e\u6d4b\u8fc7\u4e00\u4e2a\u5173\u952e\u5e27\u7ea6 137 KB&#xff0c;\u800c\u589e\u91cf\u66f4\u65b0\u5305\u5e73\u5747\u624d 7.5 KB&#xff0c;\u5dee\u4e86\u5341\u51e0\u4e2a\u6570\u91cf\u7ea7\u3002\u771f\u8981\u6bcf\u5e27\u90fd\u53d1\u5173\u952e\u5e27&#xff0c;\u5e26\u5bbd\u76f4\u63a5\u7206\u6389&#xff0c;\u53cd\u800c\u66f4\u5361\u3002\u6240\u4ee5\u589e\u91cf\u66f4\u65b0\u662f\u5fc5\u987b\u4fdd\u7559\u7684\u4e3b\u8def\u5f84&#xff0c;\u4e22\u5757\u95ee\u9898\u5f97\u5728\u522b\u5904\u89e3\u51b3\u3002<\/p>\n<h3>\u4e09\u3001Outbox&#xff1a;\u53d1\u9001\u7aef\u7684&#034;\u90ae\u7bb1&#034;<\/h3>\n<p>\u8981\u8bb2\u6e05\u695a\u600e\u4e48\u89e3\u51b3\u4e22\u5757&#xff0c;\u5f97\u5148\u8bb2\u6e05\u695a\u53d1\u9001\u7aef\u7684\u7ed3\u6784\u3002<\/p>\n<p>ALSPD-DESK \u662f\u591a\u7ebf\u7a0b &#043; \u5f02\u6b65\u4e8b\u4ef6\u5faa\u73af\u6df7\u5408\u7684\u3002\u91c7\u96c6\u548c\u7f16\u7801\u662f CPU \u5bc6\u96c6\u4e14\u963b\u585e\u7684\u64cd\u4f5c&#xff0c;\u653e\u5728\u4e00\u4e2a\u72ec\u7acb\u7ebf\u7a0b\u91cc\u8dd1&#xff1b;\u800c\u771f\u6b63\u628a\u6570\u636e\u53d1\u51fa\u53bb\u8d70\u7684\u662f asyncio \u4e8b\u4ef6\u5faa\u73af&#xff08;WebSocket \u53d1\u9001\u534f\u7a0b&#xff09;\u3002\u4e24\u4e2a\u4e16\u754c\u4e4b\u95f4&#xff0c;\u9760\u4e00\u4e2a\u53eb Outbox \u7684\u7ec4\u4ef6\u4f20\u8bdd\u3002<\/p>\n<p>Outbox \u53ef\u4ee5\u7406\u89e3\u6210\u4e00\u4e2a&#034;\u53d1\u9001\u90ae\u7bb1&#034;\u3002\u91c7\u96c6\u7f16\u7801\u7ebf\u7a0b\u628a\u6253\u5305\u597d\u7684\u5e27\u585e\u8fdb Outbox&#xff0c;\u53d1\u9001\u534f\u7a0b\u4ece Outbox \u91cc\u53d6\u51fa\u6765\u5f80\u5916\u53d1\u3002\u5b83\u6709\u4e09\u4e2a\u6838\u5fc3\u6210\u5458&#xff1a;<\/p>\n<ul>\n<li>\u4e00\u4e2a deque&#xff08;\u53cc\u7aef\u961f\u5217&#xff09;\u5f53\u7f13\u51b2\u533a&#xff1b;<\/li>\n<li>\u4e00\u628a threading.Lock \u4fdd\u8bc1\u591a\u7ebf\u7a0b\u8bfb\u5199\u5b89\u5168&#xff1b;<\/li>\n<li>\u4e00\u4e2a asyncio.Event \u7528\u6765\u5524\u9192\u53d1\u9001\u534f\u7a0b\u3002<\/li>\n<\/ul>\n<p>\u5b83\u7684\u5de5\u4f5c\u903b\u8f91\u662f&#xff1a;\u5bb9\u91cf\u6ee1\u4e86\u600e\u4e48\u529e&#xff1f;\u4e22\u6389\u6700\u65e7\u7684\u5305&#xff0c;\u4fdd\u7559\u6700\u65b0\u7684\u753b\u9762\u72b6\u6001\u3002\u8fd9\u91cc\u53c8\u4e00\u6b21\u4f53\u73b0\u4e86&#034;\u5b81\u53ef\u6389\u5e27\u4e0d\u79ef\u538b\u5ef6\u8fdf&#034;\u2014\u2014\u65e7\u753b\u9762\u5df2\u7ecf\u8fc7\u65f6&#xff0c;\u7559\u7740\u53ea\u4f1a\u6321\u4f4f\u65b0\u753b\u9762\u3002\u4e22\u5b8c\u4e4b\u540e&#xff0c;\u5b83\u7528 loop.call_soon_threadsafe(event.set) \u628a\u53d1\u9001\u534f\u7a0b\u5524\u9192&#xff0c;\u8ba9\u53d1\u9001\u534f\u7a0b\u8d76\u7d27\u53bb\u628a\u5269\u4e0b\u7684\u5305\u53d1\u6389\u3002<\/p>\n<p>\u6ce8\u610f call_soon_threadsafe \u8fd9\u4e2a\u7ec6\u8282\u3002\u53d1\u9001\u534f\u7a0b\u5728\u4e8b\u4ef6\u5faa\u73af\u91cc\u8dd1&#xff0c;\u800c Outbox \u7684 put \u662f\u4ece\u91c7\u96c6\u7ebf\u7a0b\u8c03\u7528\u7684&#xff0c;\u8de8\u7ebf\u7a0b\u76f4\u63a5\u64cd\u4f5c\u4e8b\u4ef6\u5faa\u73af\u662f\u5371\u9669\u7684\u3002Python \u7684 asyncio \u89c4\u5b9a&#xff1a;\u4ece\u522b\u7684\u7ebf\u7a0b\u5524\u9192\u4e8b\u4ef6\u5faa\u73af&#xff0c;\u5fc5\u987b\u7528 call_soon_threadsafe&#xff0c;\u5b83\u5185\u90e8\u4f1a\u505a\u6b63\u786e\u7684\u7ebf\u7a0b\u540c\u6b65\u548c\u5524\u9192&#xff08;\u5f80\u81ea\u7ba1\u9053\u5199\u4e00\u4e2a\u5b57\u8282&#xff0c;\u4e8b\u4ef6\u5faa\u73af\u88ab poll \u5524\u9192&#xff09;\u3002\u5c11\u5199\u8fd9\u4e00\u53e5&#xff0c;\u8f7b\u5219\u5524\u9192\u4e0d\u53ca\u65f6&#xff0c;\u91cd\u5219\u7a0b\u5e8f\u5728\u67d0\u4e9b\u5e73\u53f0\u4e0a\u5d29\u6e83\u3002\u8fd9\u662f\u5f02\u6b65\u7f16\u7a0b\u91cc\u6700\u5bb9\u6613\u8e29\u7684\u5751\u4e4b\u4e00\u3002<\/p>\n<p>\u6240\u4ee5 Outbox \u7684&#034;\u7ebf\u7a0b\u5b89\u5168&#034;\u4e0d\u662f\u4e00\u53e5\u7a7a\u8bdd&#xff0c;\u800c\u662f\u9760 deque &#043; Lock &#043; Event &#043; call_soon_threadsafe \u56db\u4ef6\u5957\u5171\u540c\u4fdd\u8bc1\u7684&#xff1a;Lock \u7ba1\u961f\u5217\u8bfb\u5199&#xff0c;Event \u7ba1\u5524\u9192\u4fe1\u53f7&#xff0c;call_soon_threadsafe \u7ba1\u8de8\u7ebf\u7a0b\u5b89\u5168\u5524\u9192\u3002\u5c11\u4e00\u4e2a\u90fd\u4e0d\u884c\u3002<\/p>\n<h3>\u56db\u3001\u4e22\u5e27\u4e0d\u7b49\u4e8e\u5fd8\u5757&#xff1a;\u8865\u53d1\u96c6\u5408<\/h3>\n<p>\u73b0\u5728\u56de\u5230\u6838\u5fc3\u77db\u76fe&#xff1a;Outbox \u6ee1\u4e86\u8981\u4e22\u6700\u65e7\u7684\u5305&#xff0c;\u53ef\u90a3\u5305\u91cc\u7684\u5757\u8981\u662f\u4e22\u4e86&#xff0c;Viewer \u5c31\u6b8b\u4e86\u3002<\/p>\n<p>\u9879\u76ee\u6e90\u7801\u7684\u89e3\u6cd5\u5f88\u5de7\u5999&#xff1a;Outbox.put() \u5728\u51b3\u5b9a\u4e22\u5f03\u67d0\u4e2a\u6700\u65e7\u7684\u5305\u65f6&#xff0c;\u4e0d\u662f\u7b80\u5355\u5730 pop \u6254\u6389&#xff0c;\u800c\u662f\u628a\u8fd9\u4e2a\u5305&#034;\u6d89\u53ca\u54ea\u51e0\u4e2a\u5757&#034;\u7684\u4fe1\u606f\u8fd4\u56de\u7ed9\u91c7\u96c6\u7ebf\u7a0b\u3002\u91c7\u96c6\u7ebf\u7a0b\u62ff\u5230\u8fd9\u4e9b\u5757\u7f16\u53f7\u540e&#xff0c;\u628a\u5b83\u4eec\u5e76\u56de\u4e00\u4e2a&#034;\u5f85\u8865\u53d1\u96c6\u5408&#034;&#xff08;pending \/ resend set&#xff09;\u3002\u5728\u751f\u6210\u4e0b\u4e00\u5e27\u7684\u65f6\u5019&#xff0c;\u8fd9\u4e2a\u96c6\u5408\u91cc\u7684\u5757\u4f1a\u88ab\u5f3a\u5236\u7b97\u4f5c&#034;\u810f\u5757&#034;&#xff0c;\u8ddf\u7740\u65b0\u5e27\u4e00\u8d77\u91cd\u65b0\u53d1\u9001\u3002<\/p>\n<p>\u4e3e\u4e2a\u4f8b\u5b50\u3002\u7b2c 100 \u5e27\u5e26\u4e86\u5757 (3,5)\u3001(3,6) \u7684\u53d8\u5316&#xff0c;\u7ed3\u679c Outbox \u6ee1\u4e86\u88ab\u4e22\u6389\u3002\u91c7\u96c6\u7ebf\u7a0b\u7acb\u523b\u8bb0\u4e0b&#xff1a;\u5757 (3,5)\u3001(3,6) \u8fd8\u6ca1\u9001\u8fbe\u3002\u7b2c 101 \u5e27\u672c\u6765\u53ea\u53d8\u4e86 (10,2)&#xff0c;\u4f46\u751f\u6210\u65f6\u4f1a\u628a (3,5)\u3001(3,6) \u4e5f\u62c9\u8fdb\u6765\u4e00\u8d77\u53d1\u3002Viewer \u6536\u5230 101 \u5e27&#xff0c;\u65e2\u66f4\u65b0\u4e86 (10,2)&#xff0c;\u53c8\u628a\u4e4b\u524d\u4e22\u7684 (3,5)\u3001(3,6) \u8865\u9f50\u4e86\u3002\u753b\u9762\u81ea\u6108\u3002<\/p>\n<p>\u8fd9\u4e2a\u8bbe\u8ba1\u6700\u5999\u7684\u5730\u65b9\u5728\u4e8e&#xff1a;\u5b83\u4e0d\u9700\u8981\u4e3a\u6b64\u53d1\u6574\u5c4f\u5173\u952e\u5e27\u3002\u5bf9\u6bd4\u4e00\u4e0b&#034;\u62e5\u585e\u65f6\u5e72\u8106\u53d1\u4e2a\u5168\u5c4f\u5173\u952e\u5e27\u6765\u515c\u5e95&#034;\u7684\u6734\u7d20\u60f3\u6cd5\u2014\u2014\u90a3\u6070\u6070\u662f\u6700\u574f\u7684\u9009\u62e9\u3002\u62e5\u585e\u7684\u672c\u8d28\u662f\u5e26\u5bbd\u4e0d\u591f&#xff0c;\u8fd9\u65f6\u5019\u4f60\u8fd8\u585e\u4e00\u4e2a 137 KB \u7684\u5927\u5e27\u8fdb\u53bb&#xff0c;\u53ea\u4f1a\u8ba9\u961f\u5217\u66f4\u5835\u3001\u4e22\u5f97\u66f4\u591a\u3001\u5ef6\u8fdf\u66f4\u9ad8&#xff0c;\u96ea\u4e0a\u52a0\u971c\u3002\u800c\u8865\u53d1\u96c6\u5408\u53ea\u91cd\u53d1&#034;\u771f\u6b63\u4e22\u4e86\u7684\u90a3\u51e0\u4e2a\u5757&#034;&#xff0c;\u53ef\u80fd\u5c31\u51e0 KB&#xff0c;\u5bf9\u5e26\u5bbd\u51e0\u4e4e\u65e0\u611f&#xff0c;\u5374\u80fd\u628a\u753b\u9762\u4fee\u597d\u3002<\/p>\n<p>\u4e00\u53e5\u8bdd\u603b\u7ed3\u8fd9\u4e2a\u673a\u5236&#xff1a;\u4e22\u7684\u662f&#034;\u5e27&#034;&#xff0c;\u8bb0\u7684\u662f&#034;\u5757&#034;&#xff1b;\u5e27\u8fc7\u671f\u53ef\u5f03&#xff0c;\u5757\u7f3a\u5931\u5fc5\u8865\u3002<\/p>\n<h3>\u4e94\u3001\u5173\u952e\u5e27\u7b56\u7565\u7684\u5168\u5957\u903b\u8f91<\/h3>\n<p>\u8865\u53d1\u96c6\u5408\u89e3\u51b3\u4e86&#034;\u5076\u53d1\u4e22\u5757&#034;\u7684\u81ea\u6108&#xff0c;\u4f46\u5173\u952e\u5e27\u624d\u662f\u771f\u6b63\u7684&#034;\u5927\u515c\u5e95&#034;\u3002ALSPD-DESK \u91cc\u5173\u952e\u5e27&#xff08;flags \u7684 bit0 &#061; 1&#xff09;\u7684\u8bed\u4e49\u662f&#xff1a;tile_count &#061; 0&#xff0c;JPEG \u5373\u6574\u5c4f\u56fe\u50cf&#xff0c;Viewer \u6536\u5230\u540e\u6574\u5c4f\u66ff\u6362&#xff0c;\u4e00\u6b21\u6027\u62b9\u6389\u6240\u6709\u7d2f\u79ef\u8bef\u5dee\u3002\u4ec0\u4e48\u65f6\u5019\u8be5\u53d1\u5173\u952e\u5e27&#xff1f;\u9879\u76ee\u91cc\u662f\u4e00\u5957\u7ec4\u5408\u62f3&#xff1a;<\/p>\n<li>\n<p>\u9996\u5e27\u5fc5\u987b\u662f\u5173\u952e\u5e27\u3002_force_keyframe.set()\u3002\u65b0\u8fde\u4e0a\u6765\u7684 Viewer \u624b\u91cc\u4ec0\u4e48\u90fd\u6ca1\u6709&#xff0c;\u5fc5\u987b\u5148\u628a\u6574\u5c4f\u7ed9\u5b83&#xff0c;\u4e4b\u540e\u624d\u80fd\u57fa\u4e8e\u5dee\u5206\u7d2f\u52a0\u3002\u524d\u9762\u6587\u7ae0\u4e5f\u63d0\u8fc7&#xff0c;\u65b0 Viewer \u8fde\u4e0a\u6765\u65f6\u5373\u4f7f\u753b\u9762\u5b8c\u5168\u9759\u6b62&#xff0c;\u4e5f\u8981\u7528 force&#061;True \u6293\u4e00\u5e27&#xff0c;\u5c31\u4e3a\u4e86\u8fd9\u4e2a\u9996\u5c4f\u5173\u952e\u5e27\u3002<\/p>\n<\/li>\n<li>\n<p>Viewer \u53ef\u4e3b\u52a8\u8bf7\u6c42\u3002\u534f\u8bae\u91cc\u6709\u4e2a CTRL_KEYFRAME \u63a7\u5236\u6d88\u606f\u3002Viewer \u53d1\u73b0\u81ea\u5df1\u753b\u9762\u6709\u95ee\u9898&#xff08;\u6bd4\u5982\u8fd8\u6ca1\u6536\u5230\u8fc7\u5173\u952e\u5e27\u3001\u6216\u8005\u67d0\u5e27\u5904\u7406\u5931\u8d25&#xff09;&#xff0c;\u5c31\u7f6e _need_keyframe &#061; True \u4e3b\u52a8\u8981\u4e00\u4e2a\u3002\u8fd9\u5c5e\u4e8e&#034;\u7aef\u5230\u7aef\u81ea\u6108&#034;&#xff1a;Viewer \u81ea\u5df1\u6700\u6e05\u695a\u81ea\u5df1\u6b8b\u4e86\u6ca1&#xff0c;\u6b8b\u4e86\u5c31\u558a\u4e00\u58f0\u3002<\/p>\n<\/li>\n<li>\n<p>\u5c3a\u5bf8\u53d8\u5316\u65f6\u91cd\u53d1\u3002\u5c4f\u5e55\u5206\u8fa8\u7387\u53d8\u4e86&#xff08;\u6bd4\u5982\u4f60\u62d6\u7a97\u53e3\u8fdb\u4e86\u5168\u5c4f\u3001\u6216\u8005\u6362\u4e86\u663e\u793a\u5668&#xff09;&#xff0c;\u4e4b\u524d\u7684\u5757\u5750\u6807\u548c\u753b\u5e03\u5168\u5931\u6548&#xff0c;\u5fc5\u987b\u7acb\u523b\u6765\u4e00\u5e27\u5173\u952e\u5e27\u91cd\u65b0\u5bf9\u9f50\u57fa\u51c6\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b9a\u671f\u5173\u952e\u5e27&#xff0c;\u4f46\u6709\u524d\u63d0\u3002\u6bcf\u9694 keyframe_interval &#061; 2.0 \u79d2\u8865\u4e00\u5e27\u5173\u952e\u5e27&#xff0c;\u9632\u6b62\u8bef\u5dee\u957f\u671f\u7d2f\u79ef\u3002\u4f46\u9879\u76ee\u52a0\u4e86\u4e2a\u806a\u660e\u7684\u524d\u63d0&#xff1a;\u53ea\u5728&#034;\u4e0a\u6b21\u5173\u952e\u5e27\u4e4b\u540e\u786e\u5b9e\u53d1\u8fc7\u66f4\u65b0&#034;\u65f6\u624d\u8865&#xff08;dirty_since_keyframe&#xff09;\u3002\u4e3a\u4ec0\u4e48&#xff1f;\u56e0\u4e3a\u5982\u679c\u753b\u9762\u4e00\u76f4\u9759\u6b62&#xff0c;Viewer \u90a3\u8fb9\u7684\u56fe\u672c\u6765\u5c31\u662f\u5bf9\u7684&#xff0c;\u4f60\u767d\u53d1\u4e00\u6574\u5c4f\u5173\u952e\u5e27\u7eaf\u5c5e\u6d6a\u8d39\u5e26\u5bbd\u3002\u524d\u9762\u5b9e\u6d4b\u4e5f\u5370\u8bc1\u4e86\u8fd9\u70b9&#xff1a;\u529e\u516c\u573a\u666f\u91cc 31 \u4e2a\u5173\u952e\u5e27\u5360\u4e86\u603b\u6d41\u91cf\u7684\u4e00\u534a\u591a&#xff0c;\u8981\u4e0d\u662f\u5b83\u5728\u4e22\u5305\u515c\u5e95&#xff0c;\u65e9\u8be5\u780d\u4e86\u3002\u6240\u4ee5\u8fd9\u4e2a\u5b9a\u671f\u5173\u952e\u5e27\u662f&#034;\u5b81\u53ef\u591a\u82b1\u70b9\u5e26\u5bbd\u6362\u7a33\u59a5&#034;&#xff0c;\u800c\u4e0d\u662f\u65e0\u8111\u5730\u6bcf 2 \u79d2\u786c\u53d1\u3002<\/p>\n<\/li>\n<p>\u628a\u8fd9\u56db\u70b9\u8fde\u8d77\u6765\u770b&#xff0c;\u5173\u952e\u5e27\u7b56\u7565\u7684\u7cbe\u9ad3\u662f&#xff1a;\u80fd\u9760\u5dee\u5206\u548c\u8865\u53d1\u96c6\u5408\u81ea\u6108\u7684&#xff0c;\u7edd\u4e0d\u52a8\u5173\u952e\u5e27&#xff1b;\u53ea\u6709\u9996\u5e27\u3001Viewer \u6c42\u6551\u3001\u5c3a\u5bf8\u53d8\u5316\u3001\u6216\u8005\u786e\u5b9e\u5728\u6301\u7eed\u53d8\u5316\u4e14\u9694\u4e86 2 \u79d2&#xff0c;\u624d\u52a8\u7528\u8fd9\u4e2a\u5927\u62db\u3002<\/p>\n<h3>\u516d\u3001\u5b9e\u6d4b 0 \u4e22\u5e27\u7684\u79d8\u5bc6<\/h3>\n<p>\u8bb2\u4e86\u8fd9\u4e48\u591a\u4e22\u5e27\u548c\u8865\u53d1\u7684\u673a\u5236&#xff0c;\u53ef\u80fd\u6709\u8bfb\u8005\u62c5\u5fc3&#xff1a;\u90a3\u5b9e\u9645\u8dd1\u8d77\u6765\u5230\u5e95\u4e22\u6ca1\u4e22&#xff1f;<\/p>\n<p>\u5b9e\u6d4b\u7ed3\u679c\u662f&#xff1a;\u6574\u8f6e 0 \u4e22\u5e27\u3002<\/p>\n<p>\u539f\u56e0\u5176\u5b9e\u5f88\u6734\u7d20\u2014\u2014\u5e27\u592a\u5c0f\u4e86\u3002\u589e\u91cf\u66f4\u65b0\u5305\u5e73\u5747\u624d 7.5 KB\u3002\u800c websockets \u5e93\u9ed8\u8ba4\u7684\u5199\u7f13\u51b2\u662f 32 KB&#xff0c;\u518d\u52a0\u4e0a\u9879\u76ee\u81ea\u5df1\u90a3\u5c42\u53d1\u9001\u961f\u5217&#xff08;\u5bb9\u91cf 8 \u5e27&#xff09;&#xff0c;\u5408\u8ba1\u80fd\u7f13\u51b2\u5927\u7ea6 32 KB &#043; 8 \u00d7 7.5 KB \u2248 92 KB 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