{"id":119698,"date":"2026-10-30T07:24:29","date_gmt":"2026-10-29T23:24:29","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/119698.html"},"modified":"2026-10-30T07:24:29","modified_gmt":"2026-10-29T23:24:29","slug":"%e6%b5%8f%e8%a7%88%e5%99%a8%e6%8c%87%e7%ba%b9%e6%8b%86%e8%a7%a3%ef%bc%9acanvas-webgl-audio-webrtc%e5%9b%9b%e5%b1%82%e8%af%86%e5%88%ab%e9%80%bb%e8%be%91%ef%bc%8c%e6%94%b9%e5%8d%95%e4%b8%80%e5%b1%9e","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/119698.html","title":{"rendered":"\u6d4f\u89c8\u5668\u6307\u7eb9\u62c6\u89e3\uff1aCanvas\/WebGL\/Audio\/WebRTC\u56db\u5c42\u8bc6\u522b\u903b\u8f91\uff0c\u6539\u5355\u4e00\u5c5e\u6027\u6839\u672c\u6ca1\u7528"},"content":{"rendered":"<p>\u505a\u53cd\u722c\u5bf9\u6297\u8fd9\u4e9b\u5e74&#xff0c;\u89c1\u8fc7\u6700\u591a\u7684\u8ba4\u77e5\u8bef\u533a\u5c31\u662f&#xff1a;\u89c9\u5f97\u6362\u4e86IP\u3001\u6539\u4e86UA\u3001\u6e05\u4e86Cookie&#xff0c;\u5c31\u7b49\u4e8e\u9690\u8eab\u4e86\u3002<\/p>\n<p>\u524d\u4e24\u5e74\u5e2e\u56e2\u961f\u4f18\u5316\u6d77\u5916\u7ad9\u70b9\u7684\u91c7\u96c6\u67b6\u6784&#xff0c;\u5f53\u65f6\u6362\u4e86\u4e09\u5bb6\u4f4f\u5b85\u4ee3\u7406&#xff0c;UA\u6c60\u505a\u4e86\u51e0\u5341\u5957&#xff0c;Cookie\u6bcf\u5c0f\u65f6\u4e00\u6362&#xff0c;\u7ed3\u679c\u8fd8\u662f\u8dd1\u51e0\u4e2a\u5c0f\u65f6\u5c31\u96c6\u4f53\u51fa\u9a8c\u8bc1\u3002\u4e00\u5f00\u59cb\u4ee5\u4e3a\u662fIP\u8d28\u91cf\u4e0d\u884c&#xff0c;\u53c8\u7838\u94b1\u6362\u4e86\u66f4\u8d35\u7684\u4ee3\u7406&#xff0c;\u5c01\u7981\u7387\u7eb9\u4e1d\u4e0d\u52a8\u3002\u540e\u6765\u7ffb\u5bf9\u65b9\u7684\u98ce\u63a7JS\u624d\u53cd\u5e94\u8fc7\u6765&#xff1a;\u4eba\u5bb6\u6839\u672c\u6ca1\u9760IP\u5224&#xff0c;\u9760\u7684\u662f\u6d4f\u89c8\u5668\u6307\u7eb9\u2014\u2014\u540c\u4e00\u5957\u6307\u7eb9\u7279\u5f81&#xff0c;\u4f60\u6362\u4e00\u767e\u4e2aIP&#xff0c;\u5bf9\u65b9\u4e5f\u77e5\u9053\u662f\u540c\u4e00\u4e2a\u7a0b\u5e8f\u3002<\/p>\n<p>\u5f88\u591a\u4eba\u5bf9\u6d4f\u89c8\u5668\u6307\u7eb9\u7684\u7406\u89e3\u505c\u7559\u5728\u300cCanvas\u751f\u6210\u4e2a\u54c8\u5e0c\u300d\u7684\u8868\u5c42&#xff0c;\u89c9\u5f97\u968f\u4fbf\u6539\u4e2a\u8fd4\u56de\u503c\u5c31\u80fd\u8499\u6df7\u8fc7\u5173\u3002\u5b9e\u9645\u4e0a\u73b0\u5728\u7684\u6307\u7eb9\u4f53\u7cfb\u662f\u591a\u5c42\u4ea4\u53c9\u6821\u9a8c\u7684&#xff1a;Canvas\u3001WebGL\u3001\u97f3\u9891\u3001WebRTC&#xff0c;\u4e0a\u767e\u4e2a\u5f31\u7279\u5f81\u53e0\u52a0&#xff0c;\u5355\u4e00\u5c5e\u6027\u6539\u5f97\u8d8a\u72e0&#xff0c;\u7279\u5f81\u77db\u76fe\u8d8a\u660e\u663e&#xff0c;\u53cd\u800c\u8d8a\u5bb9\u6613\u88ab\u6807\u8bb0\u3002<\/p>\n<p>\u4eca\u5929\u5c31\u628a\u56db\u5c42\u6700\u6838\u5fc3\u7684\u6d4f\u89c8\u5668\u6307\u7eb9\u4ece\u539f\u7406\u5230\u68c0\u6d4b\u903b\u8f91\u518d\u5230\u9632\u6cc4\u6f0f\u65b9\u6848\u5b8c\u6574\u62c6\u5f00&#xff0c;\u8bb2\u6e05\u695a\u4e3a\u4ec0\u4e48\u4f60\u6539\u4e86\u534a\u5929\u8fd8\u662f\u88ab\u8bc6\u522b&#xff0c;\u4ee5\u53ca\u6b63\u786e\u7684\u5e94\u5bf9\u601d\u8def\u662f\u4ec0\u4e48\u3002<\/p>\n<h3>\u4e00\u3001Canvas\u6307\u7eb9&#xff1a;\u6700\u5e7f\u4e3a\u4eba\u77e5&#xff0c;\u4e5f\u6700\u5bb9\u6613\u88ab\u6539\u574f<\/h3>\n<p>Canvas\u662f\u666e\u53ca\u7387\u6700\u9ad8\u7684\u6307\u7eb9&#xff0c;\u4e5f\u662f\u88ab\u8bef\u89e3\u6700\u591a\u7684\u3002\u5f88\u591a\u4eba\u4e00\u4e0a\u6765\u5c31\u5199\u4e2a\u811a\u672chook toDataURL&#xff0c;\u8fd4\u56de\u56fa\u5b9a\u5b57\u7b26\u4e32&#xff0c;\u89c9\u5f97\u8fd9\u6837\u6307\u7eb9\u5c31\u7edf\u4e00\u4e86&#xff0c;\u7ed3\u679c\u53cd\u800c\u6b7b\u5f97\u66f4\u5feb\u3002<\/p>\n<h4>1.1 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comment\">\/\/ \u6bcf\u4e2a\u50cf\u7d20\u901a\u9053\u505a\u00b11\u7684\u968f\u673a\u5fae\u6270\u52a8<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> data<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        data<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#043;&#061;<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">random<\/span><span class=\"token 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punctuation\">;<\/span><\/p>\n<p>\u5173\u952e\u70b9&#xff1a;\u6270\u52a8\u5e45\u5ea6\u4e00\u5b9a\u8981\u5c0f&#xff0c;\u4e0d\u8981\u5927\u5230\u5f71\u54cd\u6b63\u5e38\u6e32\u67d3&#xff1b;\u53ea\u6539\u50cf\u7d20\u503c&#xff0c;\u4e0d\u8981\u6539\u539f\u751f\u51fd\u6570\u7684\u539f\u578b\u5c5e\u6027&#xff0c;\u51cf\u5c11\u7be1\u6539\u75d5\u8ff9\u3002<\/p>\n<h3>\u4e8c\u3001WebGL\u6307\u7eb9&#xff1a;\u786c\u4ef6\u7ea7\u6807\u8bc6&#xff0c;\u6bd4Canvas\u51c6\u5341\u500d<\/h3>\n<p>\u5982\u679c\u8bf4Canvas\u662f\u8f6f\u4ef6\u7ea7\u6307\u7eb9&#xff0c;WebGL\u5c31\u662f\u786c\u4ef6\u7ea7\u6307\u7eb9\u3002\u5b83\u76f4\u63a5\u8bfb\u53d6\u663e\u5361\u548c\u9a71\u52a8\u7684\u5e95\u5c42\u4fe1\u606f&#xff0c;\u533a\u5206\u5ea6\u6bd4Canvas\u9ad8\u4e00\u4e2a\u91cf\u7ea7&#xff0c;\u4e5f\u662f\u7edd\u5927\u591a\u6570\u53cd\u68c0\u6d4b\u811a\u672c\u7684\u76f2\u533a\u3002<\/p>\n<h4>2.1 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630\u300d\u3002\u8fd9\u662f\u6700\u5f3a\u7684\u5355\u7ef4\u5ea6\u7279\u5f81\u3002<\/li>\n<li>\u652f\u6301\u7684\u6269\u5c55\u5217\u8868&#xff1a;\u4e0d\u540c\u663e\u5361\u3001\u4e0d\u540c\u9a71\u52a8\u7248\u672c\u652f\u6301\u7684WebGL\u6269\u5c55\u4e0d\u4e00\u6837&#xff0c;\u51e0\u5341\u9879\u6269\u5c55\u7684\u7ec4\u5408\u5c31\u662f\u6781\u5f3a\u7684\u6807\u8bc6\u3002<\/li>\n<li>\u7740\u8272\u5668\u7cbe\u5ea6&#xff1a;\u9876\u70b9\u7740\u8272\u5668\u3001\u7247\u5143\u7740\u8272\u5668\u7684\u7cbe\u5ea6\u8303\u56f4\u3001\u7cbe\u5ea6\u4f4d\u6570&#xff0c;\u4e0d\u540c\u786c\u4ef6\u5b9e\u73b0\u6709\u5dee\u5f02\u3002<\/li>\n<li>\u6e32\u67d3\u7ed3\u679c\u54c8\u5e0c&#xff1a;\u548cCanvas\u7c7b\u4f3c&#xff0c;\u753b\u4e00\u6bb5\u6807\u51c6\u76843D\u7740\u8272\u4ee3\u7801&#xff0c;\u4e0d\u540c\u663e\u5361\u6e32\u67d3\u51fa\u6765\u7684\u50cf\u7d20\u7ec6\u8282\u4e0d\u540c&#xff0c;\u53d6\u54c8\u5e0c\u4f5c\u4e3a\u6307\u7eb9\u3002<\/li>\n<p>\u6700\u72e0\u7684\u662fWebGL\u6e32\u67d3\u5668&#043;\u663e\u5361\u578b\u53f7&#043;Canvas\u6307\u7eb9\u4e09\u8005\u4ea4\u53c9\u6821\u9a8c&#xff1a;\u4f60\u8bf4\u81ea\u5df1\u662fRTX 3060&#xff0c;\u4f46Canvas\u6e32\u67d3\u7279\u5f81\u5374\u662f\u96c6\u663e\u7684&#xff0c;WebGL\u6269\u5c55\u5217\u8868\u4e5f\u5bf9\u4e0d\u4e0a&#xff0c;\u76f4\u63a5\u5c31\u662f\u9ad8\u5371\u7279\u5f81\u3002<\/p>\n<h4>2.2 \u5e38\u89c1\u8bef\u533a&#xff1a;\u53ea\u6539\u4e2a\u6e32\u67d3\u5668\u5b57\u7b26\u4e32<\/h4>\n<p>\u5f88\u591a\u4eba\u7f51\u4e0a\u6284\u4e00\u6bb5\u811a\u672c&#xff0c;\u628aunmaskedRenderer\u6539\u6210\u300cNVIDIA GeForce RTX 3060\u300d&#xff0c;\u5c31\u89c9\u5f97WebGL\u6307\u7eb9\u6539\u597d\u4e86\u3002<br \/>\n\u8fd9\u548c\u53ea\u6539Canvas\u5bfc\u51fa\u503c\u662f\u540c\u4e00\u4e2a\u6bdb\u75c5&#xff1a;\u8868\u5c42\u5b57\u7b26\u4e32\u6539\u4e86&#xff0c;\u5e95\u5c42\u7684\u6269\u5c55\u5217\u8868\u3001\u7cbe\u5ea6\u3001\u6e32\u67d3\u80fd\u529b\u5168\u5bf9\u4e0d\u4e0a&#xff0c;\u4e00\u4ea4\u53c9\u6821\u9a8c\u5c31\u9732\u9985\u3002\u4f60\u58f0\u79f0\u81ea\u5df1\u662f\u9ad8\u7aef\u72ec\u663e&#xff0c;\u4f46WebGL\u652f\u6301\u7684\u6269\u5c55\u8fd8\u4e0d\u5982\u96c6\u663e\u591a&#xff0c;\u4e0d\u662f\u660e\u6446\u7740\u9020\u5047\u5417\u3002<\/p>\n<h4>2.3 \u6b63\u786e\u7684\u5bf9\u9f50\u601d\u8def<\/h4>\n<p>\u4e0d\u8981\u51ed\u7a7a\u9020\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u914d\u7f6e&#xff0c;\u8981\u9009\u4e00\u4e2a\u771f\u5b9e\u5b58\u5728\u7684\u4e3b\u6d41\u663e\u5361\u578b\u53f7&#xff0c;\u6240\u6709\u7279\u5f81\u5b8c\u6574\u5bf9\u9f50\u3002<br \/>\n\u6bd4\u5982\u76ee\u6807\u73af\u5883\u662fWindows &#043; Intel UHD 630\u96c6\u663e&#xff0c;\u90a3\u5c31\u8981&#xff1a;<\/p>\n<li>\u6e32\u67d3\u5668\u5b57\u7b26\u4e32\u3001\u5382\u5546\u6807\u8bc6\u548c\u771f\u5b9e\u96c6\u663e\u5b8c\u5168\u4e00\u81f4<\/li>\n<li>\u6269\u5c55\u5217\u8868\u5bf9\u9f50\u771f\u5b9e\u96c6\u663e\u7684\u652f\u6301\u8303\u56f4&#xff0c;\u4e0d\u8981\u591a\u4e5f\u4e0d\u8981\u5c11<\/li>\n<li>\u7740\u8272\u5668\u7cbe\u5ea6\u3001\u9650\u5236\u53c2\u6570\u5168\u90e8\u5bf9\u5e94\u771f\u5b9e\u786c\u4ef6<\/li>\n<li>Canvas\u6e32\u67d3\u7279\u5f81\u4e5f\u8981\u540c\u6b65\u5bf9\u9f50&#xff0c;\u4e0d\u8981\u51fa\u73b0\u77db\u76fe<\/li>\n<p>\u6838\u5fc3\u539f\u5219&#xff1a;\u6240\u6709\u7279\u5f81\u5fc5\u987b\u81ea\u6d3d\u3002\u5b81\u53ef\u7528\u6700\u5e38\u89c1\u7684\u4f4e\u7aef\u96c6\u663e\u6307\u7eb9&#xff0c;\u4e5f\u4e0d\u8981\u9020\u4e00\u4e2a\u5404\u65b9\u9762\u5bf9\u4e0d\u4e0a\u7684\u9ad8\u7aef\u663e\u5361&#xff0c;\u8d8a\u7279\u6b8a\u7684\u6307\u7eb9\u8d8a\u624e\u773c\u3002<\/p>\n<h3>\u4e09\u3001AudioContext\u6307\u7eb9&#xff1a;\u6700\u9690\u853d\u7684\u58f0\u5b66\u6807\u8bc6<\/h3>\n<p>\u8fd9\u662f\u6700\u5bb9\u6613\u88ab\u5ffd\u7565\u7684\u4e00\u5c42\u6307\u7eb9\u3002\u5f88\u591a\u4eba\u4ece\u6765\u6ca1\u542c\u8fc7\u97f3\u9891\u4e5f\u80fd\u505a\u6307\u7eb9&#xff0c;\u4f46\u5b9e\u9645\u4e0aAudioContext\u751f\u6210\u7684\u58f0\u5b66\u7279\u5f81&#xff0c;\u533a\u5206\u5ea6\u975e\u5e38\u9ad8&#xff0c;\u800c\u4e14\u51e0\u4e4e\u6ca1\u4eba\u4e13\u95e8\u53bb\u6539\u3002<\/p>\n<h4>3.1 \u539f\u7406&#xff1a;\u58f0\u5361\u7684\u7ec6\u5fae\u5dee\u5f02<\/h4>\n<p>\u97f3\u9891\u6307\u7eb9\u7684\u6838\u5fc3\u662f&#xff1a;\u4e0d\u540c\u7684\u58f0\u5361\u786c\u4ef6\u3001\u4e0d\u540c\u7684\u97f3\u9891\u9a71\u52a8\u3001\u4e0d\u540c\u7684\u7cfb\u7edf\u97f3\u9891\u6808&#xff0c;\u5bf9\u540c\u4e00\u6bb5\u6ce2\u5f62\u7684\u5904\u7406\u7ed3\u679c\u5b58\u5728\u7ec6\u5fae\u5dee\u5f02\u3002<br \/>\n\u901a\u5e38\u7684\u505a\u6cd5\u662f&#xff1a;<\/p>\n<li>\u521b\u5efa\u4e00\u4e2aOscillatorNode\u632f\u8361\u5668&#xff0c;\u751f\u6210\u4e00\u6bb5\u56fa\u5b9a\u9891\u7387\u7684\u6b63\u5f26\u6ce2<\/li>\n<li>\u7ecf\u8fc7GainNode\u589e\u76ca\u5904\u7406&#xff0c;\u518d\u7528OfflineAudioContext\u79bb\u7ebf\u6e32\u67d3<\/li>\n<li>\u63d0\u53d6\u6e32\u67d3\u540e\u7684\u65f6\u57df\u6ce2\u5f62\u6570\u636e&#xff0c;\u8ba1\u7b97\u54c8\u5e0c\u503c\u4f5c\u4e3a\u6307\u7eb9<\/li>\n<p>\u56e0\u4e3a\u786c\u4ef6D\/A\u8f6c\u6362\u3001\u9a71\u52a8\u6ee4\u6ce2\u3001\u52a8\u6001\u8303\u56f4\u7684\u7ec6\u5fae\u5dee\u522b&#xff0c;\u4e0d\u540c\u8bbe\u5907\u6e32\u67d3\u51fa\u6765\u7684\u6ce2\u5f62\u6837\u672c\u503c\u5b58\u5728\u5fae\u5c0f\u504f\u5dee&#xff0c;\u7d2f\u79ef\u8d77\u6765\u5c31\u662f\u53ef\u533a\u5206\u7684\u7279\u5f81\u3002\u800c\u4e14\u97f3\u9891\u6307\u7eb9\u548c\u786c\u4ef6\u5f3a\u76f8\u5173&#xff0c;\u548c\u6d4f\u89c8\u5668\u3001\u9875\u9762\u65e0\u5173&#xff0c;\u975e\u5e38\u7a33\u5b9a\u3002<\/p>\n<p>\u66f4\u9690\u853d\u7684\u662f&#xff0c;\u5b83\u4e0d\u9700\u8981\u7528\u6237\u6388\u6743&#xff0c;\u4e0d\u9700\u8981\u64ad\u653e\u58f0\u97f3&#xff0c;\u9875\u9762\u9759\u9ed8\u5c31\u80fd\u751f\u6210&#xff0c;\u7edd\u5927\u591a\u6570\u7528\u6237\u751a\u81f3\u5f00\u53d1\u8005\u90fd\u4e0d\u77e5\u9053\u81ea\u5df1\u88ab\u53d6\u4e86\u97f3\u9891\u6307\u7eb9\u3002<\/p>\n<h4>3.2 \u9632\u6cc4\u6f0f\u65b9\u6848<\/h4>\n<p>\u97f3\u9891\u6307\u7eb9\u4e0d\u8981\u76f4\u63a5\u6539\u6700\u7ec8\u7ed3\u679c&#xff0c;\u5bb9\u6613\u88ab\u6821\u9a8c\u51fa\u6765\u3002\u6b63\u786e\u7684\u505a\u6cd5\u662f\u5728\u97f3\u9891\u5904\u7406\u94fe\u8def\u91cc\u52a0\u5165\u6781\u5fae\u5c0f\u7684\u566a\u58f0\u6270\u52a8&#xff0c;\u6539\u53d8\u6700\u7ec8\u7684\u54c8\u5e0c\u503c&#xff0c;\u540c\u65f6\u4e0d\u5f71\u54cd\u6b63\u5e38\u97f3\u9891\u64ad\u653e\u3002<\/p>\n<p><span class=\"token keyword\">const<\/span> originalCreateOscillator <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">AudioContext<\/span><span class=\"token punctuation\">.<\/span>prototype<span class=\"token punctuation\">.<\/span>createOscillator<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">AudioContext<\/span><span class=\"token punctuation\">.<\/span>prototype<span class=\"token punctuation\">.<\/span><span class=\"token function-variable function\">createOscillator<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">function<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> oscillator <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">originalCreateOscillator<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">call<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> gainNode <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">createGain<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    gainNode<span class=\"token punctuation\">.<\/span>gain<span class=\"token punctuation\">.<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.999<\/span> <span class=\"token operator\">&#043;<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">random<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">0.002<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5fae\u5c0f\u589e\u76ca\u6270\u52a8&#xff0c;\u4e0d\u5f71\u54cd\u542c\u89c9&#xff0c;\u4f46\u6539\u53d8\u6307\u7eb9\u54c8\u5e0c<\/span><br \/>\n    oscillator<span class=\"token punctuation\">.<\/span><span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>gainNode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u91cd\u5199connect\u65b9\u6cd5&#xff0c;\u900f\u660e\u63a5\u5165\u6270\u52a8<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> originalConnect <span class=\"token operator\">&#061;<\/span> oscillator<span class=\"token punctuation\">.<\/span>connect<span class=\"token punctuation\">;<\/span><br \/>\n    oscillator<span class=\"token punctuation\">.<\/span><span class=\"token function-variable function\">connect<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">function<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">destination<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> gainNode<span class=\"token punctuation\">.<\/span><span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>destination<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> oscillator<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u6270\u52a8\u5e45\u5ea6\u63a7\u5236\u5728\u5343\u5206\u4e4b\u51e0\u7684\u7ea7\u522b&#xff0c;\u4eba\u8033\u5b8c\u5168\u542c\u4e0d\u51fa\u6765&#xff0c;\u4e5f\u4e0d\u4f1a\u5f71\u54cd\u6b63\u5e38\u7684\u97f3\u9891\u64ad\u653e\u529f\u80fd&#xff0c;\u4f46\u8db3\u4ee5\u6539\u53d8\u6700\u7ec8\u7684\u6307\u7eb9\u54c8\u5e0c\u3002<\/p>\n<h3>\u56db\u3001WebRTC\u6cc4\u6f0f&#xff1a;\u6700\u81f4\u547d\u7684\u771f\u5b9eIP\u7834\u7efd<\/h3>\n<p>\u8fd9\u662f\u4ee3\u7406\u73af\u5883\u4e0b\u6700\u5bb9\u6613\u8e29\u7684\u5751&#xff0c;\u6ca1\u6709\u4e4b\u4e00\u3002\u5f88\u591a\u4eba\u6302\u4e86\u4ee3\u7406\u3001\u6362\u4e86IP&#xff0c;\u89c9\u5f97\u4e07\u65e0\u4e00\u5931&#xff0c;\u7ed3\u679cWebRTC\u6084\u6084\u628a\u771f\u5b9eIP\u6f0f\u51fa\u53bb\u4e86&#xff0c;\u81ea\u5df1\u8fd8\u5b8c\u5168\u4e0d\u77e5\u9053\u3002<\/p>\n<h4>4.1 \u6cc4\u6f0f\u539f\u7406&#xff1a;ICE\u5019\u9009\u8005\u66b4\u9732\u771f\u5b9e\u5730\u5740<\/h4>\n<p>WebRTC\u4e3a\u4e86\u5efa\u7acb\u70b9\u5bf9\u70b9\u8fde\u63a5&#xff0c;\u4f1a\u901a\u8fc7STUN\u670d\u52a1\u5668\u83b7\u53d6\u6240\u6709\u53ef\u7528\u7684\u7f51\u7edc\u5730\u5740&#xff0c;\u751f\u6210ICE\u5019\u9009\u8005\u5217\u8868&#xff0c;\u91cc\u9762\u5305\u542b&#xff1a;<\/p>\n<ul>\n<li>\u672c\u5730\u5c40\u57df\u7f51IP&#xff1a;\u6bd4\u5982192.168.x.x\u300110.x.x.x<\/li>\n<li>\u771f\u5b9e\u516c\u7f51IP&#xff1a;\u5982\u679c\u6ca1\u6709\u8d70\u4ee3\u7406\u901a\u9053&#xff0c;\u5c31\u662f\u4f60\u672c\u673a\u7684\u771f\u5b9e\u51fa\u53e3IP<\/li>\n<li>\u4e2d\u7ee7\u5730\u5740&#xff1a;TURN\u670d\u52a1\u5668\u7684\u5730\u5740<\/li>\n<\/ul>\n<p>\u6700\u5751\u7684\u5730\u65b9\u5728\u4e8e&#xff1a;\u5f88\u591a\u6d4f\u89c8\u5668\u4ee3\u7406\u914d\u7f6e\u53ea\u4ee3\u7406HTTP\/HTTPS\u6d41\u91cf&#xff0c;WebRTC\u7684UDP\u5305\u76f4\u63a5\u8d70\u539f\u751f\u7f51\u7edc\u51fa\u53bb&#xff0c;\u6839\u672c\u4e0d\u7ecf\u8fc7\u4ee3\u7406\u3002<br \/>\n\u7ed3\u679c\u5c31\u662f&#xff1a;\u9875\u9762\u663e\u793a\u7684IP\u662f\u4ee3\u7406\u7684&#xff0c;\u4f46WebRTC\u6084\u6084\u628a\u4f60\u771f\u5b9e\u516c\u7f51IP\u53d1\u7ed9\u4e86\u5bf9\u65b9\u670d\u52a1\u5668\u3002\u6302\u4e86\u4ee3\u7406\u7b49\u4e8e\u767d\u6302&#xff0c;\u5bf9\u65b9\u62ff\u4f60\u7684\u771f\u5b9eIP\u548c\u4ee3\u7406IP\u4e00\u5bf9\u5e94&#xff0c;\u7acb\u523b\u5c31\u80fd\u5224\u5b9a\u662f\u4ee3\u7406\u73af\u5883&#xff0c;\u98ce\u9669\u5206\u76f4\u63a5\u62c9\u6ee1\u3002<\/p>\n<h4>4.2 \u4e24\u79cd\u6cc4\u6f0f\u573a\u666f<\/h4>\n<li>\u672c\u5730IP\u6cc4\u6f0f&#xff1a;\u6cc4\u6f0f\u5185\u7f51\u5730\u5740&#xff0c;\u5371\u5bb3\u76f8\u5bf9\u5c0f\u4e00\u4e9b&#xff0c;\u4f46\u4e5f\u662f\u73af\u5883\u5f02\u5e38\u7684\u4f50\u8bc1\u3002\u4e0d\u8fc7\u73b0\u5728\u65b0\u7248Chrome\u5df2\u7ecf\u7528mDNS\u4e3b\u673a\u540d\u66ff\u4ee3\u4e86\u672c\u5730IP&#xff0c;\u6cc4\u6f0f\u60c5\u51b5\u6709\u6240\u7f13\u89e3\u3002<\/li>\n<li>\u516c\u7f51IP\u6cc4\u6f0f&#xff1a;\u8fd9\u662f\u81f4\u547d\u7684\u3002\u5c24\u5176\u662f\u7528\u6d4f\u89c8\u5668\u63d2\u4ef6\u4ee3\u7406\u3001SOCKS\u4ee3\u7406\u7684\u573a\u666f&#xff0c;WebRTC\u5f88\u5bb9\u6613\u7ed5\u5f00\u4ee3\u7406\u76f4\u63a5\u8fde\u5916\u7f51&#xff0c;\u628a\u771f\u5b9eIP\u66b4\u9732\u51fa\u53bb\u3002\u5168\u673a\u91cf\u7684VPN\u5ba2\u6237\u7aef\u76f8\u5bf9\u597d\u4e00\u4e9b&#xff0c;\u4f46\u4e5f\u8981\u770b\u5177\u4f53\u914d\u7f6e\u3002<\/li>\n<h4>4.3 \u6b63\u786e\u7684\u9632\u62a4\u65b9\u6848<\/h4>\n<p>\u4e0d\u8981\u4e0a\u6765\u5c31\u76f4\u63a5\u7981\u7528WebRTC\u3002\u7981\u7528\u672c\u8eab\u5c31\u662f\u5f3a\u7279\u5f81&#xff0c;\u6b63\u5e38\u7528\u6237\u7684\u6d4f\u89c8\u5668\u90fd\u662f\u5f00\u542fWebRTC\u7684&#xff0c;\u4f60\u4e00\u7981\u7528\u53cd\u800c\u66f4\u53ef\u7591\u3002<\/p>\n<p>\u5206\u5c42\u5904\u7406\u65b9\u6848&#xff1a;<\/p>\n<li>\u8f7b\u5ea6\u573a\u666f&#xff1a;\u914d\u7f6e\u6b63\u786e\u7684\u5168\u6d41\u91cf\u4ee3\u7406&#xff0c;\u786e\u4fddWebRTC\u7684STUN\u8bf7\u6c42\u4e5f\u8d70\u4ee3\u7406\u901a\u9053&#xff0c;\u8fd4\u56de\u7684\u5c31\u662f\u4ee3\u7406IP&#xff0c;\u548c\u9875\u9762IP\u4e00\u81f4&#xff0c;\u8fd9\u662f\u6700\u5b8c\u7f8e\u7684\u72b6\u6001\u3002<\/li>\n<li>\u4e2d\u5ea6\u573a\u666f&#xff1a;\u9650\u5236ICE\u5019\u9009\u7b56\u7565&#xff0c;\u53ea\u8fd4\u56de\u4e2d\u7ee7\u5730\u5740&#xff0c;\u4e0d\u8fd4\u56de\u4e3b\u673a\u5019\u9009\u548c\u670d\u52a1\u5668\u53cd\u5c04\u5019\u9009&#xff0c;\u907f\u514d\u6cc4\u6f0f\u771f\u5b9e\u5730\u5740\u3002<\/li>\n<p><span class=\"token comment\">\/\/ \u91cd\u5199RTCPeerConnection&#xff0c;\u5f3a\u5236\u4f7f\u7528\u4e2d\u7ee7\u6a21\u5f0f<\/span><br \/>\n<span class=\"token keyword\">const<\/span> originalPC <span class=\"token operator\">&#061;<\/span> window<span class=\"token punctuation\">.<\/span>RTCPeerConnection<span class=\"token punctuation\">;<\/span><br \/>\nwindow<span class=\"token punctuation\">.<\/span><span class=\"token function-variable function\">RTCPeerConnection<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">function<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">config<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    config<span class=\"token punctuation\">.<\/span>iceServers <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u79fb\u9664STUN\u670d\u52a1\u5668<\/span><br \/>\n    config<span class=\"token punctuation\">.<\/span>iceTransportPolicy <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#039;relay&#039;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5f3a\u5236\u53ea\u8d70\u4e2d\u7ee7<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">originalPC<\/span><span class=\"token punctuation\">(<\/span>config<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<li>\u91cd\u5ea6\u573a\u666f&#xff1a;\u5982\u679c\u4e1a\u52a1\u5b8c\u5168\u7528\u4e0d\u5230WebRTC&#xff0c;\u53ef\u4ee5\u9759\u9ed8\u964d\u7ea7\u5904\u7406&#xff0c;\u8ba9\u521b\u5efa\u8fde\u63a5\u7684\u8fc7\u7a0b\u7f13\u6162\u5931\u8d25&#xff0c;\u800c\u4e0d\u662f\u76f4\u63a5\u62a5\u9519&#xff0c;\u51cf\u5c11\u7be1\u6539\u75d5\u8ff9\u3002<\/li>\n<p>\u8e29\u5751\u63d0\u9192&#xff1a;\u4e0d\u8981\u76f4\u63a5\u628aRTCPeerConnection\u8bbe\u4e3aundefined\u3002\u6b63\u5e38\u6d4f\u89c8\u5668\u4e0d\u4f1a\u6ca1\u6709\u8fd9\u4e2a\u5bf9\u8c61&#xff0c;\u76f4\u63a5\u5220\u9664\u7b49\u4e8e\u544a\u8bc9\u5bf9\u65b9\u4f60\u5728\u523b\u610f\u9690\u85cf&#xff0c;\u53cd\u800c\u62c9\u9ad8\u98ce\u9669\u3002<\/p>\n<h3>\u4e94\u3001\u6700\u5bb9\u6613\u8e29\u7684\u4e94\u4e2a\u6307\u7eb9\u5bf9\u6297\u8bef\u533a<\/h3>\n<p>\u8fd9\u4e48\u591a\u5e74\u89c1\u8fc7\u65e0\u6570\u53cd\u6307\u7eb9\u65b9\u6848&#xff0c;\u7edd\u5927\u591a\u6570\u90fd\u72af\u4e86\u540c\u4e00\u4e2a\u6bdb\u75c5&#xff1a;\u6539\u5f97\u592a\u523b\u610f&#xff0c;\u53cd\u800c\u66f4\u663e\u773c\u3002<\/p>\n<h4>\u8bef\u533a1&#xff1a;\u5355\u4e00\u5c5e\u6027\u731b\u6539&#xff0c;\u5176\u4ed6\u5168\u4e0d\u52a8<\/h4>\n<p>\u6bd4\u5982\u628aCanvas\u6307\u7eb9\u6539\u4e86&#xff0c;WebGL\u3001\u97f3\u9891\u3001\u7cfb\u7edf\u4fe1\u606f\u5168\u662f\u539f\u6765\u7684&#xff0c;\u7b49\u4e8e\u544a\u8bc9\u5bf9\u65b9\u300c\u6211\u4e13\u95e8\u6539\u4e86Canvas\u300d\u3002\u6307\u7eb9\u662f\u7efc\u5408\u8bc4\u5206&#xff0c;\u5355\u4e00\u5c5e\u6027\u5f02\u5e38\u6bd4\u666e\u901a\u6307\u7eb9\u7684\u98ce\u9669\u9ad8\u5f97\u591a\u3002<\/p>\n<h4>\u8bef\u533a2&#xff1a;\u7279\u5f81\u4e92\u76f8\u77db\u76fe<\/h4>\n<p>UA\u5199\u7684\u662fWindows\u7cfb\u7edf&#xff0c;platform\u8fd4\u56de\u7684\u662fLinux&#xff1b;WebGL\u58f0\u79f0\u662fNVIDIA\u663e\u5361&#xff0c;Canvas\u6e32\u67d3\u5374\u662fMesa\u8f6f\u4ef6\u6e32\u67d3&#xff1b;IP\u5728\u56fd\u5185&#xff0c;\u65f6\u533a\u5374\u662fUTC\u3002\u77db\u76fe\u70b9\u8d8a\u591a&#xff0c;\u98ce\u9669\u5206\u8d8a\u9ad8\u3002\u6539\u5341\u4e2a\u9519\u7684\u5c5e\u6027&#xff0c;\u4e0d\u5982\u4e0d\u6539\u3002<\/p>\n<h4>\u8bef\u533a3&#xff1a;\u8ff7\u4fe1\u53cd\u68c0\u6d4b\u63d2\u4ef6<\/h4>\n<p>\u5f88\u591a\u6240\u8c13\u7684\u6307\u7eb9\u9632\u62a4\u63d2\u4ef6&#xff0c;\u6539\u4e86\u4e00\u5806\u5c5e\u6027&#xff0c;\u5374\u7559\u4e0b\u4e86\u7edf\u4e00\u7684\u6ce8\u5165\u75d5\u8ff9\u3002\u98ce\u63a7\u53ea\u8981\u68c0\u6d4b\u63d2\u4ef6\u7684\u7279\u5f81\u53d8\u91cf\u3001\u6ce8\u5165\u65b9\u5f0f&#xff0c;\u4e00\u6293\u4e00\u4e2a\u51c6\u3002\u800c\u4e14\u63d2\u4ef6\u6539\u7684\u5f80\u5f80\u90fd\u662f\u8868\u5c42\u5c5e\u6027&#xff0c;\u6df1\u5c42\u7684\u6e32\u67d3\u3001\u97f3\u9891\u7279\u5f81\u6839\u672c\u78b0\u4e0d\u5230\u3002<\/p>\n<h4>\u8bef\u533a4&#xff1a;\u8ffd\u6c42\u552f\u4e00\u4e0d\u53d8\u7684\u300c\u5b8c\u7f8e\u6307\u7eb9\u300d<\/h4>\n<p>\u5f88\u591a\u4eba\u5e0c\u671b\u505a\u51fa\u4e00\u4e2a\u56fa\u5b9a\u7684\u3001\u5b8c\u7f8e\u7684\u6307\u7eb9&#xff0c;\u6c38\u8fdc\u4e0d\u88ab\u8bc6\u522b\u3002\u8fd9\u601d\u8def\u672c\u8eab\u5c31\u9519\u4e86\u3002\u771f\u5b9e\u7528\u6237\u7684\u6307\u7eb9\u672c\u6765\u5c31\u662f\u591a\u6837\u7684&#xff0c;\u8d8a\u8ffd\u6c42\u72ec\u4e00\u65e0\u4e8c&#xff0c;\u8d8a\u5bb9\u6613\u88ab\u805a\u7c7b\u8bc6\u522b\u3002\u6b63\u786e\u7684\u601d\u8def\u662f\u878d\u5165\u4e3b\u6d41\u5206\u5e03&#xff1a;\u7528\u6700\u5e38\u89c1\u7684\u786c\u4ef6\u914d\u7f6e\u3001\u6700\u901a\u7528\u7684\u6d4f\u89c8\u5668\u7279\u5f81&#xff0c;\u6df7\u5728\u7edd\u5927\u591a\u6570\u6b63\u5e38\u7528\u6237\u91cc&#xff0c;\u624d\u6700\u5b89\u5168\u3002<\/p>\n<h4>\u8bef\u533a5&#xff1a;\u7981\u7528\u4e00\u5207\u53ef\u7591API<\/h4>\n<p>Canvas\u3001WebGL\u3001WebRTC\u3001AudioContext&#xff0c;\u89c9\u5f97\u6709\u98ce\u9669\u5c31\u5168\u7981\u7528\u3002\u7ed3\u679c\u5c31\u662f\u4f60\u7684\u6d4f\u89c8\u5668\u7279\u5f81\u6781\u5176\u7279\u6b8a&#xff0c;\u5728\u6d77\u91cf\u6b63\u5e38\u7528\u6237\u91cc\u9e64\u7acb\u9e21\u7fa4&#xff0c;\u98ce\u63a7\u4e00\u773c\u5c31\u80fd\u6311\u51fa\u6765\u3002\u7981\u7528\u6c38\u8fdc\u662f\u4e0b\u7b56&#xff0c;\u900f\u660e\u5316\u6270\u52a8\u624d\u662f\u4e0a\u7b56\u3002<\/p>\n<h3>\u516d\u3001\u5206\u5c42\u9632\u62a4\u601d\u8def&#xff1a;\u4e0d\u540c\u573a\u666f\u7528\u4e0d\u540c\u5f3a\u5ea6<\/h3>\n<p>\u6ca1\u6709\u4e07\u80fd\u7684\u65b9\u6848&#xff0c;\u4e5f\u4e0d\u662f\u6539\u5f97\u8d8a\u591a\u8d8a\u597d\u3002\u6839\u636e\u76ee\u6807\u7ad9\u70b9\u7684\u98ce\u63a7\u5f3a\u5ea6&#xff0c;\u9009\u5bf9\u5e94\u7684\u5c42\u7ea7&#xff0c;\u6027\u4ef7\u6bd4\u6700\u9ad8\u3002<\/p>\n<h4>\u8f7b\u5ea6&#xff1a;\u57fa\u7840\u6270\u52a8<\/h4>\n<ul>\n<li>Canvas\u50cf\u7d20\u5fae\u6270\u52a8<\/li>\n<li>\u97f3\u9891\u5fae\u5c0f\u589e\u76ca\u6270\u52a8<\/li>\n<li>\u4fdd\u8bc1IP\u4e0eWebRTC\u5730\u5740\u4e00\u81f4<br 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