{"id":24265,"date":"2024-11-21T14:11:14","date_gmt":"2024-11-21T06:11:14","guid":{"rendered":"https:\/\/fwq.ai\/blog\/24265\/"},"modified":"2024-11-21T14:11:14","modified_gmt":"2024-11-21T06:11:14","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87webman%e6%8a%80%e6%9c%af%e5%ae%9e%e7%8e%b0%e5%9c%a8%e7%ba%bf%e8%a7%86%e9%a2%91%e7%9b%b4%e6%92%ad","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/24265\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7WebMan\u6280\u672f\u5b9e\u73b0\u5728\u7ebf\u89c6\u9891\u76f4\u64ad"},"content":{"rendered":"

\"\u5982\u4f55\u901a\u8fc7WebMan\u6280\u672f\u5b9e\u73b0\u5728\u7ebf\u89c6\u9891\u76f4\u64ad\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u901a\u8fc7WebRTC\u6280\u672f\u5b9e\u73b0\u5728\u7ebf\u89c6\u9891\u76f4\u64ad<\/p>\n

WebRTC\uff08Web Real-Time Communication\uff09\u662f\u4e00\u79cd\u57fa\u4e8eWeb\u7684\u5b9e\u65f6\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u63d0\u4f9b\u4e86\u5b9e\u65f6\u97f3\u89c6\u9891\u901a\u4fe1\u7684\u80fd\u529b\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u901a\u8fc7\u7f51\u9875\u5b9e\u73b0\u97f3\u89c6\u9891\u7684\u4f20\u8f93\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u901a\u8fc7WebRTC\u6280\u672f\u5b9e\u73b0\u5728\u7ebf\u89c6\u9891\u76f4\u64ad\u3002<\/p>\n

\u4e00\u3001WebRTC\u7b80\u4ecb
WebRTC\u662f\u7531Google\u63a8\u51fa\u7684\u5f00\u6e90\u9879\u76ee\uff0c\u65e8\u5728\u901a\u8fc7\u6d4f\u89c8\u5668\u7aef\u5b9e\u73b0\u5b9e\u65f6\u97f3\u89c6\u9891\u901a\u4fe1\u3002\u5b83\u5229\u7528\u4e86\u4e00\u7cfb\u5217\u7684API\u548c\u534f\u8bae\uff0c\u5305\u62ecRTCPeerConnection\u3001RTCDataChannel\u3001MediaStream\u7b49\uff0c\u5b9e\u73b0\u4e86\u6d4f\u89c8\u5668\u4e0e\u6d4f\u89c8\u5668\u4e4b\u95f4\u7684\u97f3\u89c6\u9891\u4f20\u8f93\u3002<\/p>\n

\u4e8c\u3001\u521b\u5efa\u89c6\u9891\u76f4\u64ad\u5e94\u7528
\u8981\u521b\u5efa\u4e00\u4e2a\u89c6\u9891\u76f4\u64ad\u5e94\u7528\uff0c\u6211\u4eec\u9700\u8981\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n

    \n
  1. \u83b7\u53d6\u89c6\u9891\u6d41
    \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u901a\u8fc7\u5a92\u4f53\u8bbe\u5907\uff08\u4f8b\u5982\u6444\u50cf\u5934\uff09\u83b7\u53d6\u89c6\u9891\u6d41\u3002\u5728WebRTC\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528MediaDevices.getUserMedia()\u51fd\u6570\u6765\u5b9e\u73b0\u3002\u4ee5\u4e0b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u83b7\u53d6\u89c6\u9891\u6d41\uff1a<\/li>\n<\/ol>\n
    navigator.mediaDevices.getUserMedia({ video: true })\n  .then(stream =&gt; {\n    const videoElement = document.getElementById('video');\n    videoElement.srcObject = stream;\n  })\n  .catch(error =&gt; {\n    console.error('Error accessing media devices: ', error);\n  });<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \n
    1. \u521b\u5efaPeerConnection
      PeerConnection\u662fWebRTC\u4e2d\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u5b83\u4ee3\u8868\u4e86\u4e24\u4e2a\u6d4f\u89c8\u5668\u4e4b\u95f4\u7684\u8fde\u63a5\u3002\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2aPeerConnection\u5bf9\u8c61\uff0c\u7136\u540e\u5c06\u89c6\u9891\u6d41\u6dfb\u52a0\u5230\u8be5\u5bf9\u8c61\u4e2d\u3002\u4ee5\u4e0b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u521b\u5efa\u5e76\u914d\u7f6ePeerConnection\uff1a<\/li>\n<\/ol>\n
      const configuration = { iceServers: [{ urls: 'stun:stun.l.google.com:19302' }] };\n\nconst pc = new RTCPeerConnection(configuration);\n\nstream.getTracks().forEach(track =&gt; pc.addTrack(track, stream));<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \n
      1. \u521b\u5efaOffer\u5e76\u53d1\u9001\u7ed9\u5176\u4ed6\u7528\u6237
        \u4e00\u65e6\u6211\u4eec\u521b\u5efa\u4e86PeerConnection\u5bf9\u8c61\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aSDP\uff08Session Description Protocol\uff09offer\u5e76\u53d1\u9001\u7ed9\u5176\u4ed6\u7528\u6237\u3002\u4ee5\u4e0b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u521b\u5efa\u5e76\u53d1\u9001offer\uff1a<\/li>\n<\/ol>\n
        pc.createOffer()\n  .then(offer =&gt; pc.setLocalDescription(offer))\n  .then(() =&gt; {\n    \/\/ \u5c06offer\u53d1\u9001\u7ed9\u5176\u4ed6\u7528\u6237\n  })\n  .catch(error =&gt; {\n    console.error('Error creating offer: ', error);\n  });<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
          \n
        1. \u63a5\u6536\u548c\u5904\u7406\u8fdc\u7a0b\u6d41
          \u5176\u4ed6\u7528\u6237\u6536\u5230offer\u540e\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aPeerConnection\u5bf9\u8c61\uff0c\u5e76\u5c06\u6536\u5230\u7684offer\u8bbe\u7f6e\u4e3a\u8fdc\u7a0b\u63cf\u8ff0\u3002\u7136\u540e\uff0c\u901a\u8fc7\u5c06\u672c\u5730\u6d41\u6dfb\u52a0\u5230PeerConnection\u4e2d\uff0c\u5c31\u53ef\u4ee5\u63a5\u6536\u548c\u5904\u7406\u8fdc\u7a0b\u6d41\u4e86\u3002\u4ee5\u4e0b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u63a5\u6536\u548c\u5904\u7406\u8fdc\u7a0b\u6d41\uff1a<\/li>\n<\/ol>\n
          pc.ontrack = event =&gt; {\n  const remoteStream = event.streams[0];\n  const videoElement = document.getElementById('remote-video');\n  videoElement.srcObject = remoteStream;\n};\n\npc.setRemoteDescription(offer)\n  .then(() =&gt; pc.createAnswer())\n  .then(answer =&gt; pc.setLocalDescription(answer))\n  .then(() =&gt; {\n    \/\/ \u5c06answer\u53d1\u9001\u7ed9offer\u7684\u53d1\u9001\u8005\n  })\n  .catch(error =&gt; {\n    console.error('Error setting remote description: ', error);\n  });<\/pre>\n
            \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
            \n
          1. \u8fdb\u884c\u901a\u4fe1
            \u4e00\u65e6\u4e24\u4e2a\u6d4f\u89c8\u5668\u4e4b\u95f4\u5efa\u7acb\u4e86\u8fde\u63a5\u5e76\u5f00\u59cb\u4ea4\u6362\u6d41\uff0c\u6211\u4eec\u53ef\u4ee5\u5f00\u59cb\u8fdb\u884c\u5b9e\u65f6\u901a\u4fe1\u4e86\u3002\u53ef\u4ee5\u4f7f\u7528RTCDataChannel\u6765\u5b9e\u73b0\u5176\u4ed6\u7c7b\u578b\u7684\u6570\u636e\u4f20\u8f93\uff0c\u6216\u8005\u4f7f\u7528PeerConnection\u7684addTrack\u548cremoveTrack\u65b9\u6cd5\u6765\u5b9e\u73b0\u52a8\u6001\u6dfb\u52a0\u548c\u79fb\u9664\u97f3\u89c6\u9891\u6d41\u3002<\/li>\n<\/ol>\n
            \u4e09\u3001\u603b\u7ed3
            \u901a\u8fc7WebRTC\u6280\u672f\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5b9e\u73b0\u5728\u7ebf\u89c6\u9891\u76f4\u64ad\u3002\u53ea\u9700\u901a\u8fc7getUserMedia\u83b7\u53d6\u89c6\u9891\u6d41\uff0c\u5e76\u901a\u8fc7PeerConnection\u6765\u5efa\u7acb\u8fde\u63a5\u548c\u4ea4\u6362\u6d41\u5373\u53ef\u3002\u4ee5\u4e0a\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u5b9e\u73b0\u793a\u4f8b\uff0c\u66f4\u590d\u6742\u7684\u89c6\u9891\u76f4\u64ad\u5e94\u7528\u8fd8\u9700\u8981\u8003\u8651\u5a92\u4f53\u670d\u52a1\u5668\u3001\u4fe1\u4ee4\u670d\u52a1\u5668\u548c\u5176\u4ed6\u4e00\u4e9b\u6280\u672f\u7ec6\u8282\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u7406\u89e3WebRTC\u53ca\u5b9e\u73b0\u5728\u7ebf\u89c6\u9891\u76f4\u64ad\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
            \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u901a\u8fc7WebMan\u6280\u672f\u5b9e\u73b0\u5728\u7ebf\u89c6\u9891\u76f4\u64ad\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
            \u5982\u4f55\u901a\u8fc7WebRTC\u6280\u672f\u5b9e\u73b0\u5728\u7ebf\u89c6\u9891\u76f4\u64ad WebRTC\uff08Web Real-Time Communication\uff09\u662f\u4e00\u79cd\u57fa\u4e8eWeb\u7684\u5b9e\u65f6\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u63d0\u4f9b\u4e86\u5b9e\u65f6\u97f3\u89c6\u9891\u901a\u4fe1\u7684\u80fd\u529b\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u901a\u8fc7\u7f51\u9875\u5b9e\u73b0\u97f3\u89c6\u9891\u7684\u4f20\u8f93\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u901a\u8fc7WebRTC\u6280\u672f\u5b9e\u73b0\u5728\u7ebf\u89c6\u9891\u76f4\u64ad\u3002 \u4e00\u3001WebRTC\u7b80\u4ecbWebRTC\u662f\u7531Google\u63a8\u51fa\u7684\u5f00\u6e90\u9879\u76ee\uff0c\u65e8\u5728\u901a\u8fc7\u6d4f\u89c8\u5668\u7aef\u5b9e\u73b0\u5b9e\u65f6\u97f3\u89c6\u9891\u901a\u4fe1\u3002\u5b83\u5229\u7528\u4e86\u4e00\u7cfb\u5217\u7684API\u548c\u534f\u8bae\uff0c\u5305\u62ecRTCPeerConnection\u3001RTCDataChannel\u3001MediaStream\u7b49\uff0c\u5b9e\u73b0\u4e86\u6d4f\u89c8\u5668\u4e0e\u6d4f\u89c8\u5668\u4e4b\u95f4\u7684\u97f3\u89c6\u9891\u4f20\u8f93\u3002 \u4e8c\u3001\u521b\u5efa\u89c6\u9891\u76f4\u64ad\u5e94\u7528\u8981\u521b\u5efa\u4e00\u4e2a\u89c6\u9891\u76f4\u64ad\u5e94\u7528\uff0c\u6211\u4eec\u9700\u8981\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a \u83b7\u53d6\u89c6\u9891\u6d41\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u901a\u8fc7\u5a92\u4f53\u8bbe\u5907\uff08\u4f8b\u5982\u6444\u50cf\u5934\uff09\u83b7\u53d6\u89c6\u9891\u6d41\u3002\u5728WebRTC\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528MediaDevices.getUserMedia()\u51fd\u6570\u6765\u5b9e\u73b0\u3002\u4ee5\u4e0b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u83b7\u53d6\u89c6\u9891\u6d41\uff1a navigator.mediaDevices.getUserMedia({ video: true }) .then(stream =&gt; { const videoElement = document.getElementById(‘video’); videoElement.srcObject = stream; }) .catch(error =&gt; { console.error(‘Error accessing media devices: ‘, error); }); \u767b\u5f55\u540e\u590d\u5236 \u521b\u5efaPeerConnectionPeerConnection\u662fWebRTC\u4e2d\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u5b83\u4ee3\u8868\u4e86\u4e24\u4e2a\u6d4f\u89c8\u5668\u4e4b\u95f4\u7684\u8fde\u63a5\u3002\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2aPeerConnection\u5bf9\u8c61\uff0c\u7136\u540e\u5c06\u89c6\u9891\u6d41\u6dfb\u52a0\u5230\u8be5\u5bf9\u8c61\u4e2d\u3002\u4ee5\u4e0b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u521b\u5efa\u5e76\u914d\u7f6ePeerConnection\uff1a const configuration = { iceServers: [{ urls: ‘stun:stun.l.google.com:19302’ }] }; const pc = new RTCPeerConnection(configuration); stream.getTracks().forEach(track =&gt; pc.addTrack(track, stream)); \u767b\u5f55\u540e\u590d\u5236 \u521b\u5efaOffer\u5e76\u53d1\u9001\u7ed9\u5176\u4ed6\u7528\u6237\u4e00\u65e6\u6211\u4eec\u521b\u5efa\u4e86PeerConnection\u5bf9\u8c61\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aSDP\uff08Session […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-24265","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/24265","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=24265"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/24265\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=24265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=24265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=24265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}