{"id":35635,"date":"2025-05-05T14:51:03","date_gmt":"2025-05-05T06:51:03","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/35635.html"},"modified":"2025-05-05T14:51:03","modified_gmt":"2025-05-05T06:51:03","slug":"webrtc-%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b9%8bjanus%e6%9e%b6%e6%9e%84%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/35635.html","title":{"rendered":"WebRTC \u670d\u52a1\u5668\u4e4bJanus\u67b6\u6784\u5206\u6790"},"content":{"rendered":"

1. Webrtc\u4e09\u79cd\u7c7b\u578b\u901a\u4fe1\u67b6\u6784<\/h2>\n

1.1\u00a0 1 \u5bf9 1 \u901a\u4fe1<\/h3>\n

1 \u5bf9 1 \u901a\u4fe1\u6a21\u578b\u8bbe\u8ba1\u7684\u4e3b\u8981\u2f6c\u6807\u662f\u5c3d\u91cf\u8ba9\u4e24\u4e2a\u7ec8\u7aef\u8fdb\u2f8f\u76f4\u8054，\u8fd9\u6837\u5373\u53ef\u4ee5\u8282\u7701\u670d\u52a1\u5668\u7684\u8d44\u6e90，\u2f1c\u53ef\u4ee5\u63d0\u2fbc \u2fb3\u89c6\u9891\u7684\u670d\u52a1\u8d28\u91cf\u3002WebRTC \u2fb8\u5148\u5c1d\u8bd5\u4e24\u4e2a\u7ec8\u7aef\u4e4b\u95f4\u662f\u5426\u53ef\u4ee5\u901a\u8fc7 P2P \u76f4\u63a5\u8fdb\u2f8f\u901a\u4fe1，\u5982\u679c\u2f46\u6cd5\u76f4\u63a5\u901a\u4fe1 \u7684\u8bdd，\u5219\u4f1a\u901a\u8fc7 STUN\/TURN \u670d\u52a1\u5668\u8fdb\u2f8f\u4e2d\u8f6c，\u5982\u4e0b\u56fe：<\/p>\n

\"\"<\/p>\n

\u00a01.2\u00a0 \u591a\u5bf9\u591a\u901a\u4fe1<\/h3>\n

Mesh \u67b6\u6784：\u9002\u5408\u521a\u5b66\u4e60 WebRTC \u7684\u573a\u666f，\u7b80\u5355\u6613\u5b9e\u73b0，\u4f46\u5b9e\u9645\u5e94\u7528\u4e2d\u56e0\u4e0a\u884c\u5e26\u5bbd\u5360\u7528\u5927\u3001\u7ebf\u6027\u8d44\u6e90\u5360\u7528\u7b49\u95ee\u9898，\u8d85\u8fc7 4 \u4eba\u65f6\u95ee\u9898\u660e\u663e，\u51e0\u4e4e\u65e0\u4eba\u5728\u771f\u5b9e\u573a\u666f\u4e2d\u4f7f\u7528\u3002<\/p>\n

MCU \u67b6\u6784：\u786c\u4ef6 MCU \u66fe\u5728\u89c6\u9891\u4f1a\u8bae\u5e7f\u6cdb\u5e94\u7528，\u6280\u672f\u6210\u719f，\u4f46\u4ef7\u683c\u6602\u8d35，\u4e14\u968f\u7740\u4e92\u8054\u7f51\u53d1\u5c55\u9010\u6b65\u88ab\u6dd8\u6c70；\u8f6f MCU \u5982 FreeSWITCH \u867d\u5b58\u5728，\u4f46\u56e0 CPU \u6d88\u8017\u5927，\u771f\u6b63\u4f7f\u7528\u8005\u4e0d\u591a\u3002<\/p>\n

SFU \u67b6\u6784：\u8fd1\u5e74\u6765\u6d41\u884c，\u662f WebRTC \u591a\u65b9\u901a\u4fe1\u5a92\u4f53\u670d\u52a1\u5668\u7684\u4e3b\u6d41\u67b6\u6784，\u5177\u6709\u9ad8\u7075\u6d3b\u6027\u548c\u9ad8\u6027\u80fd，\u914d\u5408 Simulcast \u6216 SVC \u6a21\u5f0f\u53ef\u66f4\u597d\u5730\u9002\u5e94\u4e0d\u540c\u7f51\u7edc\u548c\u7ec8\u7aef，\u88ab\u591a\u6570\u516c\u53f8\u91c7\u7528\u3002<\/p>\n

Janus\u7684\u591a\u65b9\u89c6\u9891\u901a\u8bdd\u4f7f\u7528VideoRoom\u63d2\u4ef6，\u91c7\u7528SFU\u67b6\u6784\u3002<\/span><\/p>\n\n\u7ef4\u5ea6mesh(P2P)SFUMCU<\/tr>\n\n\n\n\n\n\n\n\n\n
\u5ef6\u8fdf<\/td>\n\u6700\u4f4e（\u76f4\u8fde）<\/td>\n\u4e2d\u7b49（\u670d\u52a1\u5668\u4e2d\u8f6c）<\/td>\n\u6700\u9ad8（\u5904\u7406\u6d41\u7a0b\u590d\u6742）<\/td>\n<\/tr>\n
\u5e26\u5bbd\u6d88\u8017<\/td>\n\u4e0a\u884c\u538b\u529b\u5927（N\u00b2\u589e\u957f）<\/td>\n\u4e0b\u884c\u538b\u529b\u5927（\u670d\u52a1\u5668\u627f\u62c5）<\/td>\n\u6574\u4f53\u6700\u4f4e（\u5355\u4e00\u6d41）<\/td>\n<\/tr>\n
\u6269\u5c55\u6027<\/td>\n\u5dee（\u9002\u54081:1）<\/td>\n\u4f18（\u9002\u5408\u4e2d\u5c0f\u578b\u4f1a\u8bae）<\/td>\n\u4e00\u822c（\u9002\u5408\u5927\u578b\u4f1a\u8bae）<\/td>\n<\/tr>\n
\u670d\u52a1\u5668\u6210\u672c<\/td>\n\u4f4e（\u4ec5\u9700\u7a7f\u900f\u8f85\u52a9）<\/td>\n\u4e2d（\u9ad8\u5e26\u5bbd\u9700\u6c42）<\/td>\n\u9ad8（\u8ba1\u7b97+\u5e26\u5bbd\u53cc\u91cd\u538b\u529b）<\/td>\n<\/tr>\n
\u7ec8\u7aef\u8981\u6c42<\/td>\n\u9700\u5904\u7406\u591a\u6d41\u89e3\u7801<\/td>\n\u9700\u591a\u6d41\u89e3\u7801\u80fd\u529b<\/td>\n\u4ec5\u9700\u89e3\u7801\u5355\u4e00\u6d41<\/td>\n<\/tr>\n
\u7075\u6d3b\u6027<\/td>\n\u9ad8（\u7aef\u5230\u7aef\u63a7\u5236）<\/td>\n\u9ad8（\u81ea\u7531\u8ba2\u9605\u6d41）<\/td>\n\u4f4e（\u5e03\u5c40\u56fa\u5b9a）<\/td>\n<\/tr>\n
\u5178\u578b\u5e94\u7528<\/td>\n\u5fae\u4fe1\u8bed\u97f3\u3001Skype 1:1<\/td>\nZoom\u3001\u817e\u8baf\u4f1a\u8bae<\/td>\n\u4f20\u7edf\u786c\u4ef6\u89c6\u9891\u4f1a\u8bae\u7cfb\u7edf<\/td>\n<\/tr>\n
\u7279\u70b9<\/td>\n\u591a\u5bf9\u591a，Mesh \u7ed3\u6784<\/td>\n\u53d1\u5e03\u8ba2\u9605<\/td>\n\u6df7\u6d41\u96c6\u5408<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u00a0\"\"<\/p>\n<\/p>\n

\u00a01.2.1 \u67b6\u6784\u4f18\u70b9<\/h4>\n\n\n

\u67b6\u6784<\/p>\n

\u65b9\u6848<\/p>\n

\u4f18\u52bf<\/tr>\n

\n\n\n\n
Mesh \u67b6\u6784<\/td>\n\n

– \u65e0\u9700\u4e2d\u8f6c\u670d\u52a1\u5668，\u76f4\u63a5\u5229\u7528 WebRTC \u901a\u4fe1\u6a21\u578b，\u65e0\u9700\u989d\u5916\u5f00\u53d1\u5a92\u4f53\u670d\u52a1\u5668，\u964d\u4f4e\u4e86\u5f00\u53d1\u6210\u672c\u548c\u590d\u6742\u5ea6\u3002<\/p>\n

– \u5145\u5206\u5229\u7528\u5ba2\u6237\u7aef\u7684\u5e26\u5bbd\u8d44\u6e90，\u5c06\u670d\u52a1\u5668\u7aef\u7684\u5e26\u5bbd\u538b\u529b\u5206\u6563\u5230\u5404\u5ba2\u6237\u7aef，\u8282\u7701\u4e86\u670d\u52a1\u5668\u6210\u672c\u3002<\/p>\n

– \u539f\u6709\u901a\u4fe1\u6a21\u578b\u7684\u7b80\u6d01\u6027，\u8fd9\u79cd\u67b6\u6784\u5145\u5206\u5229\u7528\u4e86\u73b0\u6709\u7684 WebRTC \u901a\u4fe1\u6a21\u578b，\u7ed3\u6784\u76f8\u5bf9\u7b80\u5355，\u6613\u4e8e\u5b9e\u73b0\u548c\u7ef4\u62a4\u3002<\/p>\n<\/td>\n<\/tr>\n

MCU \u67b6\u6784<\/td>\n\n

– \u6280\u672f\u6210\u719f，\u5728\u786c\u4ef6\u89c6\u9891\u4f1a\u8bae\u9886\u57df\u5e94\u7528\u5e7f\u6cdb，\u6280\u672f\u76f8\u5bf9\u6210\u719f\u53ef\u9760，\u80fd\u591f\u63d0\u4f9b\u7a33\u5b9a\u7684\u901a\u4fe1\u670d\u52a1\u3002<\/p>\n

– \u517c\u5bb9\u6027\u5f3a，\u4f5c\u4e3a\u97f3\u89c6\u9891\u7f51\u5173，\u901a\u8fc7\u89e3\u7801\u3001\u518d\u7f16\u7801\u53ef\u4ee5\u5c4f\u853d\u4e0d\u540c\u7f16\u89e3\u7801\u8bbe\u5907\u4e4b\u95f4\u7684\u5dee\u5f02\u5316，\u6ee1\u8db3\u66f4\u591a\u5ba2\u6237\u7684\u96c6\u6210\u9700\u6c42，\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u548c\u4ea7\u54c1\u7ade\u4e89\u529b\u3002<\/p>\n

– \u7edf\u4e00\u753b\u9762\u8f93\u51fa，\u5c06\u591a\u8def\u89c6\u9891\u6df7\u5408\u6210\u4e00\u8def，\u6240\u6709\u53c2\u4e0e\u8005\u770b\u5230\u7684\u662f\u76f8\u540c\u7684\u753b\u9762，\u6709\u52a9\u4e8e\u63d0\u4f9b\u4e00\u81f4\u7684\u5ba2\u6237\u4f53\u9a8c\u3002<\/p>\n<\/td>\n<\/tr>\n

SFU \u67b6\u6784<\/td>\n\n

– \u4f4e\u8d44\u6e90\u6d88\u8017，\u6570\u636e\u5305\u76f4\u63a5\u8f6c\u53d1，\u4e0d\u9700\u8981\u8fdb\u884c\u7f16\u89e3\u7801\u64cd\u4f5c，\u5bf9 CPU \u8d44\u6e90\u6d88\u8017\u5f88\u5c0f，\u964d\u4f4e\u4e86\u670d\u52a1\u5668\u7684\u786c\u4ef6\u6210\u672c\u548c\u8fd0\u8425\u6210\u672c\u3002<\/p>\n

– \u4f4e\u5ef6\u8fdf，\u6570\u636e\u5305\u76f4\u63a5\u8f6c\u53d1\u6781\u5927\u5730\u964d\u4f4e\u4e86\u5ef6\u8fdf，\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u5b9e\u65f6\u6027，\u9002\u5408\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n

– \u7075\u6d3b\u6027\u9ad8，\u53ef\u4ee5\u6839\u636e\u7ec8\u7aef\u4e0b\u884c\u7f51\u7edc\u72b6\u51b5\u8fdb\u884c\u6d41\u63a7，\u5982\u6839\u636e\u5e26\u5bbd\u3001\u7f51\u7edc\u5ef6\u65f6\u60c5\u51b5\u9009\u62e9\u6027\u5730\u4e22\u5f03\u4e00\u4e9b\u5a92\u4f53\u6570\u636e，\u4ee5\u4fdd\u8bc1\u901a\u4fe1\u7684\u8fde\u7eed\u6027，\u66f4\u597d\u5730\u9002\u5e94\u4e0d\u540c\u7684\u7f51\u7edc\u72b6\u51b5\u548c\u7ec8\u7aef\u8bbe\u5907\u3002<\/p>\n

– \u652f\u6301\u591a\u79cd\u6a21\u5f0f，\u8bb8\u591a SFU \u5b9e\u73b0\u652f\u6301 SVC \u6a21\u5f0f\u548c Simulcast \u6a21\u5f0f，\u80fd\u591f\u66f4\u597d\u5730\u9002\u914d WiFi\u30014G \u7b49\u4e0d\u540c\u7f51\u7edc\u72b6\u51b5，\u4ee5\u53ca Phone\u3001Pad\u3001PC \u7b49\u4e0d\u540c\u7ec8\u7aef\u8bbe\u5907，\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u517c\u5bb9\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Simulcast \u6a21\u5f0f\u5c31\u662f\u6307\u89c6\u9891\u7684\u5171\u4eab\u8005\u53ef\u4ee5\u540c\u65f6\u5411 SFU \u53d1\u9001\u591a\u8def\u4e0d\u540c\u5206\u8fa8\u7387\u7684\u89c6\u9891\u6d41（\u2f00\u822c\u4e3a\u4e09\u8def， \u5982 1080P\u3001720P\u3001360P）\u3002\u2f7d SFU \u53ef\u4ee5\u5c06\u63a5\u6536\u5230\u7684\u4e09\u8def\u6d41\u6839\u636e\u5404\u7ec8\u7aef\u7684\u60c5\u51b5\u2f7d\u9009\u62e9\u5176\u4e2d\u67d0\u2f00\u8def\u53d1\u9001\u51fa \u53bb\u3002\u4f8b\u5982，\u7531\u4e8e PC \u7aef\u2f79\u7edc\u7279\u522b\u597d，\u7ed9 PC \u7aef\u53d1\u9001 1080P \u5206\u8fa8\u7387\u7684\u89c6\u9891；\u2f7d\u79fb\u52a8\u2f79\u7edc\u8f83\u5dee，\u5c31\u7ed9 Phone \u53d1\u9001 360P \u5206\u8fa8\u7387\u7684\u89c6\u9891\u3002\u00a0Simulcast \u6a21\u5f0f\u5bf9\u79fb\u52a8\u7aef\u7684\u7ec8\u7aef\u7c7b\u578b\u2fae\u5e38\u6709\u2f64，\u5b83 \u53ef\u4ee5\u7075\u6d3b\u2f7d\u2f1c\u667a\u80fd\u5730\u9002\u5e94\u4e0d\u540c\u7684\u2f79\u7edc\u73af\u5883\u3002\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n

\"\"<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0SVC（ Scalable Video Coding） \u662f\u53ef\u4f38\u7f29\u7684\u89c6\u9891\u7f16\u7801\u6a21\u5f0f\u3002\u4e0e Simulcast \u6a21\u5f0f\u7684 SVC \u6a21\u5f0f\u662f \u540c\u65f6\u4f20\u591a\u8def\u6d41\u4e0d\u540c， \u5728\u89c6\u9891\u7f16\u7801\u65f6\u505a\u201c \u2f3f\u811a\u201d \u3002\u5b83\u5728\u89c6\u9891\u7f16\u7801\u65f6\u5c06\u89c6\u9891\u5206\u6210\u591a\u5c42\u2014\u2014 \u6838\u2f3c\u5c42\u3001\u4e2d\u95f4\u5c42\u548c\u6269\u5c55\u5c42\u3002<\/span>\u4e0a\u5c42\u4f9d\u8d56\u4e8e\u5e95\u5c42，\u2f7d\u4e14\u8d8a\u4e0a\u5c42\u8d8a\u6e05\u6670，\u8d8a\u5e95\u5c42\u8d8a\u6a21\u7cca\u3002\u5728\u5e26\u5bbd\u4e0d\u597d\u7684\u60c5\u51b5\u4e0b，\u53ef\u4ee5\u53ea\u4f20\u8f93\u6838\u2f3c\u5c42，\u5728\u5e26\u5bbd\u5145\u2f9c\u7684\u60c5\u51b5\u4e0b，\u53ef\u4ee5\u5c06\u4e09\u5c42\u5168\u90e8 \u4f20\u8f93\u8fc7\u53bb\u3002<\/p>\n

\"\"<\/p>\n

\u00a0\u00a0<\/p>\n

\u00a02. Janus \u7cfb\u7edf\u67b6\u6784<\/h2>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Janus \u88ab\u8bbe\u8ba1\u4e3a\u901a\u7528\u7684 WebRTC \u670d\u52a1\u5668，\u4e13\u6ce8\u4e8e\u6a21\u5757\u5316\u548c\u53ef\u6269\u5c55\u6027\u3002\u5b83\u63d0\u4f9b\u5fc5\u8981\u7684 WebRTC \u57fa\u7840\u8bbe\u65bd，\u540c\u65f6\u5c06\u7279\u5b9a\u7684\u5e94\u7528\u7a0b\u5e8f\u903b\u8f91\u59d4\u6258\u7ed9\u63d2\u4ef6\u3002\u8fd9\u79cd\u5206\u79bb\u4f7f Janus \u53d8\u5f97\u8f7b\u91cf\u7ea7\u548c\u7075\u6d3b，\u65e0\u9700\u66f4\u6539\u5185\u6838\u5373\u53ef\u652f\u6301\u5e7f\u6cdb\u7684\u7528\u4f8b\u3002<\/p>\n

\"\"<\/p>\n

\u67b6\u6784\u7684\u5173\u952e\u539f\u5219：<\/p>\n

    \n
  • \u6a21\u5757\u5316\u8bbe\u8ba1：\u6838\u5fc3\u7ec4\u4ef6\u901a\u8fc7\u5b9a\u4e49\u660e\u786e\u7684\u63a5\u53e3\u6e05\u6670\u5206\u79bb<\/li>\n
  • \u57fa\u4e8e\u63d2\u4ef6\u7684\u53ef\u6269\u5c55\u6027：\u6240\u6709\u7279\u5b9a\u4e8e\u5e94\u7528\u7a0b\u5e8f\u7684\u903b\u8f91\u90fd\u5728\u63d2\u4ef6\u4e2d\u5b9e\u73b0<\/li>\n
  • \u591a\u4f20\u8f93\u652f\u6301：\u7528\u4e8e\u5ba2\u6237\u7aef\u4ea4\u4e92\u7684\u591a\u79cd\u901a\u4fe1\u534f\u8bae<\/li>\n
  • \u5a92\u4f53\u548c\u4fe1\u4ee4\u5206\u79bb：WebRTC \u5a92\u4f53\u5904\u7406\u548c\u4fe1\u4ee4\u903b\u8f91\u4e4b\u95f4\u7684\u660e\u786e\u5206\u79bb<\/li>\n<\/ul>\n

    \u5168\u5c40\u67b6\u6784\u56fe\u5982\u4e0b：<\/p>\n

    \"\"<\/p>\n

    2.1 \u6838\u5fc3\u7ec4\u4ef6<\/h3>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Janus \u6838\u5fc3\u5904\u7406 WebRTC \u548c\u4f1a\u8bdd\u7ba1\u7406\u57fa\u7840\u77e5\u8bc6，\u63d0\u4f9b\u63d2\u4ef6\u548c\u4f20\u8f93\u6784\u5efa\u7684\u57fa\u7840\u57fa\u7840\u8bbe\u65bd\u3002<\/p>\n

    \"\"<\/p>\n

    2.1.1\u00a0\u4f1a\u8bdd\u548c\u53e5\u67c4\u6a21\u578b<\/span><\/span><\/h4>\n

    Janus \u4e2d\u6700\u91cd\u8981\u7684\u67b6\u6784\u6982\u5ff5\u4e4b\u4e00\u662f session\/handle \u6a21\u578b：<\/span><\/span><\/p>\n

      \n
    • \u4f1a\u8bdd：\u8868\u793a\u7528\u6237\u4e0e Janus \u7684\u8fde\u63a5<\/span><\/li>\n
    • Handle：\u8868\u793a\u7528\u6237\u4e0e\u7279\u5b9a\u63d2\u4ef6\u4e4b\u95f4\u7684\u8fde\u63a5<\/span><\/li>\n
    • PeerConnection：\u4e0e\u53e5\u67c4\u5173\u8054\u7684 WebRTC \u8fde\u63a5<\/span><\/li>\n
    • transaction：\u8868\u793a\u5f53\u524d\u6d88\u606f\u4fe1\u606f\u7684\u552f\u4e00\u53e5\u67c4<\/span><\/li>\n<\/ul>\n

      \u8fd9\u79cd\u5173\u7cfb\u5728\u7528\u6237\u3001\u63d2\u4ef6\u548c\u5a92\u4f53\u8fde\u63a5\u4e4b\u95f4\u5efa\u7acb\u4e86\u660e\u786e\u7684\u5206\u79bb\u3002<\/span><\/span>\u5ba2\u6237\u7aef\u4e0e Janus \u521b\u5efa\u4f1a\u8bdd\u3002\u5728\u6b64\u4f1a\u8bdd\u4e2d，\u5ba2\u6237\u7aef\u53ef\u4ee5\u9644\u52a0\u5230\u591a\u4e2a\u63d2\u4ef6（\u521b\u5efa\u53e5\u67c4）\u3002\u6bcf\u4e2a\u53e5\u67c4\u90fd\u6709\u81ea\u5df1\u7684 WebRTC PeerConnection，\u7528\u4e8e\u7ba1\u7406\u5a92\u4f53\u4ea4\u6362\u3002<\/p>\n

      \"\"<\/p>\n<\/p>\n

      2.1.2\u00a0\u4f1a\u8bdd\u7ba1\u7406<\/span><\/span><\/h4>\n

      \u4f1a\u8bdd\u662f\u5ba2\u6237\u7aef\u8fde\u63a5\u5230 Janus \u7684\u6838\u5fc3\u62bd\u8c61\u3002\u4f1a\u8bdd\u7ba1\u7406\u7cfb\u7edf\u5904\u7406：<\/span><\/span><\/p>\n

        \n
      • \u4f1a\u8bdd\u521b\u5efa\u548c\u9500\u6bc1<\/span><\/li>\n
      • \u4f1a\u8bdd\u8d85\u65f6（\u53ef\u914d\u7f6e，\u9ed8\u8ba4 60 \u79d2）<\/span><\/li>\n
      • \u4f1a\u8bdd\u58f0\u660e（\u5728\u4f20\u8f93\u65ad\u5f00\u8fde\u63a5\u540e\u6062\u590d\u4f1a\u8bdd）<\/span><\/li>\n<\/ul>\n

        \u6bcf\u4e2a\u4f1a\u8bdd\u90fd\u5305\u542b\u53e5\u67c4，\u8fd9\u4e9b\u53e5\u67c4\u662f\u4f1a\u8bdd\u548c\u63d2\u4ef6\u5b9e\u4f8b\u4e4b\u95f4\u7684\u6865\u6881\u3002\u4f1a\u8bdd\u5c42\u7ef4\u62a4\u5ba2\u6237\u7aef\u4e0e\u5176\u63d2\u4ef6\u9644\u4ef6\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/span><\/span><\/p>\n

        \"\"<\/p>\n

        2.1.3 Media Handl\u7ba1\u7406<\/span><\/span><\/h4>\n

        Janus \u7684\u5a92\u4f53\u5904\u7406\u5c42\u8d1f\u8d23 WebRTC \u8fde\u63a5\u548c\u5a92\u4f53\u5904\u7406\u3002ICE （Interactive Connectivity Establishment） \u7ec4\u4ef6\u5904\u7406：<\/p>\n

          \n
        • \u5019\u9009\u4eba\u805a\u96c6\u548c\u4ea4\u6d41<\/li>\n
        • NAT \u904d\u5386<\/li>\n
        • \u8fde\u63a5\u5efa\u7acb<\/li>\n
        • \u7528\u4e8e\u5b89\u5168\u8fde\u63a5\u7684 DTLS \u534f\u5546<\/li>\n
        • \u7528\u4e8e\u52a0\u5bc6\u5a92\u4f53\u7684 SRTP<\/li>\n<\/ul>\n

          \u00a0\u200b\u200b\u200b\u200b\u200b\"\"<\/p>\n

          \u5a92\u4f53\u8def\u5f84\u5904\u7406：<\/span><\/span><\/p>\n

            \n
          • RTP\/RTCP \u6570\u636e\u5305\u4ece\u00a0routing \u5230plugins<\/li>\n
          • SDP offer\/answer \u5904\u7406<\/li>\n
          • \u5a92\u4f53\u7edf\u8ba1\u548c\u76d1\u63a7<\/li>\n
          • \u6570\u636e\u5305\u91cd\u4f20\u7684 NACK \u5904\u7406<\/li>\n
          • TWCC（\u5168\u4ea4\u901a\u62e5\u5835\u63a7\u5236）<\/li>\n<\/ul>\n

            2.2 \u63d2\u4ef6\u7cfb\u7edf<\/h3>\n

            \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Janus \u63d0\u4f9b\u4e86\u4e00\u4e2a\u63d2\u4ef6\u67b6\u6784，\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u5728\u4e0d\u4fee\u6539\u6838\u5fc3\u4ee3\u7801\u5e93\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u5404\u79cd WebRTC \u5e94\u7528\u7a0b\u5e8f\u3002\u63d2\u4ef6\u5411 Janus \u6838\u5fc3\u6ce8\u518c，\u5e76\u4e3a\u6d88\u606f\u5904\u7406\u548c\u5a92\u4f53\u5904\u7406\u7b49\u4e8b\u4ef6\u5b9e\u65bd\u56de\u8c03\u3002\u5185\u6838\u4ec5\u8d1f\u8d23 WebRTC \u8fde\u63a5\u548c\u6570\u636e\u5305\u8def\u7531，\u800c\u63d2\u4ef6\u5219\u51b3\u5b9a\u5a92\u4f53\u4f1a\u53d1\u751f\u4ec0\u4e48\u5e76\u5b9e\u73b0\u5e94\u7528\u7a0b\u5e8f\u903b\u8f91\u3002<\/p>\n

            \"\"<\/p>\n

            Janus \u5305\u542b\u7684\u5e38\u89c1\u63d2\u4ef6：<\/p>\n

              \n
            • VideoRoom：\u7528\u4e8e\u591a\u65b9\u89c6\u9891\u4f1a\u8bae\u7684\u9009\u62e9\u6027\u8f6c\u53d1\u5355\u5143 （SFU）<\/li>\n
            • AudioBridge：\u5177\u6709\u6df7\u97f3\u529f\u80fd\u7684\u97f3\u9891\u4f1a\u8bae<\/li>\n
            • \u6d41\u5f0f\u5904\u7406：\u5a92\u4f53\u6d41\u5f0f\u5904\u7406（RTP\u3001RTSP\u3001HLS \u6e90）<\/li>\n
            • SIP：\u7528\u4e8e WebRTC \u5230 SIP \u4e92\u4f5c\u6027\u7684 SIP \u7f51\u5173<\/li>\n
            • EchoTest：\u7528\u4e8e\u6d4b\u8bd5 WebRTC \u529f\u80fd\u7684\u7b80\u5355 echo \u6d4b\u8bd5\u63d2\u4ef6<\/li>\n
            • TextRoom：\u57fa\u4e8e\u6570\u636e\u901a\u9053\u7684\u6587\u672c\u804a\u5929\u5ba4<\/li>\n
            • RecordPlay：WebRTC \u4f1a\u8bdd\u7684\u5f55\u5236\u548c\u64ad\u653e<\/li>\n<\/ul>\n

              \u63d2\u4ef6 API \u516c\u5f00\u4e86\u5141\u8bb8\u63d2\u4ef6\u6267\u884c\u4ee5\u4e0b\u4f5c\u7684\u51fd\u6570：<\/p>\n

                \n
              • \u63a5\u6536\u548c\u53d1\u9001\u5a92\u4f53 （RTP\/RTCP）<\/li>\n
              • \u4e0e\u5ba2\u6237\u4ea4\u6362\u6d88\u606f<\/li>\n
              • \u7ba1\u7406 WebRTC \u8fde\u63a5<\/li>\n
              • \u5904\u7406 SDP offers\/answers<\/li>\n
              • \u901a\u8fc7 Data Channel \u53d1\u9001\u548c\u63a5\u6536\u6570\u636e<\/li>\n<\/ul>\n

                2.3\u00a0\u4f20\u8f93\u5c42<\/span><\/span><\/h3>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f20\u8f93\u5c42\u63d0\u4f9b\u5ba2\u6237\u7aef\u548c Janus \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u901a\u9053\u3002\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528\u591a\u79cd\u4f20\u8f93\u673a\u5236，\u4ece\u800c\u7075\u6d3b\u5730\u9009\u62e9\u5ba2\u6237\u7aef\u8fde\u63a5\u5230 Janus \u7684\u65b9\u5f0f\u3002<\/p>\n

                \n

                  \n
                • HTTP\/REST：\u7528\u4e8e\u8bf7\u6c42-\u54cd\u5e94\u4ea4\u4e92\u7684\u4f20\u7edf REST API<\/li>\n
                • WebSockets：\u5b9e\u65f6\u53cc\u5411\u901a\u4fe1<\/li>\n
                • RabbitMQ：\u57fa\u4e8e\u6d88\u606f\u961f\u5217\u7684\u901a\u4fe1<\/li>\n
                • MQTT：\u8f7b\u91cf\u7ea7\u53d1\u5e03-\u8ba2\u9605\u6d88\u606f\u4f20\u9012<\/li>\n
                • Unix \u5957\u63a5\u5b57：\u540c\u4e00\u53f0\u673a\u5668\u4e0a\u7684\u8fdb\u7a0b\u95f4\u901a\u4fe1<\/li>\n<\/ul>\n

                  \"\"\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n

                  \u00a0\u6240\u6709\u4f20\u8f93\u90fd\u5b9e\u73b0\u76f8\u540c\u7684 API，\u65e0\u8bba\u5e95\u5c42\u534f\u8bae\u5982\u4f55，\u90fd\u4e3a\u6838\u5fc3\u63d0\u4f9b\u4e00\u81f4\u7684\u63a5\u53e3\u3002\u8fd9\u5141\u8bb8\u5ba2\u6237\u7aef\u9009\u62e9\u6700\u9002\u5408\u5176\u9700\u6c42\u7684\u4f20\u8f93\u673a\u5236\u3002<\/p>\n

                  \u4f20\u8f93\u5c42\u8d1f\u8d23：<\/p>\n

                    \n
                  • \u8eab\u4efd\u9a8c\u8bc1\u8bf7\u6c42（\u5982\u679c\u5df2\u914d\u7f6e）<\/li>\n
                  • \u89e3\u6790\u548c\u9a8c\u8bc1 JSON \u6d88\u606f<\/li>\n
                  • \u5c06\u8bf7\u6c42\u8def\u7531\u5230\u9002\u5f53\u7684\u4f1a\u8bdd\/\u53e5\u67c4<\/li>\n
                  • \u5c06\u4e8b\u4ef6\u548c\u54cd\u5e94\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef<\/li>\n<\/ul>\n

                    2.4 \u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f<\/span><\/span><\/h3>\n

                    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u4e3a\u5916\u90e8\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u4e00\u79cd\u76d1\u89c6\u548c\u54cd\u5e94 Janus \u4e2d\u53d1\u751f\u7684\u4e8b\u4ef6\u7684\u65b9\u6cd5\u3002\u8fd9\u4e9b\u4e8b\u4ef6\u53ef\u4ee5\u5305\u62ec\u4f1a\u8bdd\u521b\u5efa\/\u9500\u6bc1\u3001\u5a92\u4f53\u7edf\u8ba1\u3001\u7279\u5b9a\u4e8e\u63d2\u4ef6\u7684\u4e8b\u4ef6\u7b49\u3002<\/span><\/span>\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f（\u5982\u4f20\u8f93\u548c\u63d2\u4ef6）\u5728\u542f\u52a8\u65f6\u52a8\u6001\u52a0\u8f7d，\u5e76\u5728\u5185\u6838\u4e2d\u6ce8\u518c\u3002\u5b83\u4eec\u4ece\u6838\u5fc3\u63a5\u6536\u4e8b\u4ef6，\u5e76\u5c06\u5176\u8f6c\u53d1\u5230\u5916\u90e8\u7cfb\u7edf\u8fdb\u884c\u76d1\u63a7\u3001\u8bb0\u5f55\u6216\u5904\u7406\u3002<\/p>\n

                    \"\"<\/p>\n

                    2.5 \u5b9e\u7528\u7a0b\u5e8f\u548c\u5de5\u5177<\/h3>\n

                    2.5.1\u00a0\u5b9e\u7528\u7a0b\u5e8f<\/h4>\n

                    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Janus \u63d0\u4f9b\u4e86\u591a\u79cd\u540e\u5904\u7406\u5de5\u5177，\u7528\u4e8e\u5c06\u5f55\u97f3\u8f6c\u6362\u4e3a\u53ef\u4ee5\u4f7f\u7528\u5e38\u89c1\u5a92\u4f53\u64ad\u653e\u5668\u64ad\u653e\u7684\u6807\u51c6\u683c\u5f0f\u3002<\/span>\u5b9e\u7528\u7a0b\u5e8f\u5141\u8bb8\u60a8\u5c06 Janus Media Recorder （） \u6587\u4ef6\u8f6c\u6362\u4e3a\u6807\u51c6\u5a92\u4f53\u683c\u5f0f\u3002<\/p>\n

                    \"\"<\/p>\n

                    Supported Output Formats\u00a0\u00a0\u652f\u6301\u7684\u8f93\u51fa\u683c\u5f0f<\/span><\/span><\/p>\n\n\u8f93\u5165\u7f16\u89e3\u7801\u5668\u8f93\u51fa\u6269\u5c55\u540d\u63cf\u8ff0<\/tr>\n\n\n\n\n\n\n\n\n\n\n
                    VP8\/VP9<\/td>\n.webm, .mkv<\/td>\nWebM \u5bb9\u5668\u683c\u5f0f\u7528\u4e8e VP8\/VP9 \u89c6\u9891<\/td>\n<\/tr>\n
                    H.264<\/td>\n.mp4, .mkv<\/td>\nMP4\/Matroska \u5bb9\u5668\u7528\u4e8e H.264 \u89c6\u9891<\/td>\n<\/tr>\n
                    H.265<\/td>\n.mp4, .mkv<\/td>\nMP4\/Matroska \u5bb9\u5668\u7528\u4e8e H.265 \u89c6\u9891<\/td>\n<\/tr>\n
                    AV1<\/td>\n.mp4, .mkv<\/td>\nMP4\/Matroska \u5bb9\u5668\u7528\u4e8e AV1 \u89c6\u9891<\/td>\n<\/tr>\n
                    Opus<\/td>\n.opus, .ogg, .mka<\/td>\nOpus \u97f3\u9891\u7684\u5404\u79cd\u5bb9\u5668<\/td>\n<\/tr>\n
                    G.711<\/td>\n.wav<\/td>\nWAV \u5bb9\u5668\u7528\u4e8e G.711 \u97f3\u9891<\/td>\n<\/tr>\n
                    G.722<\/td>\n.wav<\/td>\nWAV \u5bb9\u5668\u7528\u4e8e G.722 \u97f3\u9891<\/td>\n<\/tr>\n
                    L16<\/td>\n.wav<\/td>\nWAV \u5bb9\u5668\u7528\u4e8e L16（PCM）\u97f3\u9891<\/td>\n<\/tr>\n
                    \u6587\u672c\u6570\u636e<\/td>\n.srt<\/td>\n\u6570\u636e\u901a\u9053\u6587\u672c\u7684 SRT \u5b57\u5e55\u683c\u5f0f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                    \u57fa\u672c\u7528\u6cd5：<\/p>\n

                    .\/janus-pp-rec \/path\/to\/source.mjr \/path\/to\/destination.[opus|ogg|mka|wav|webm|mkv|mp4|srt]
                    \n#\u5206\u6790\u5f55\u5236\u4fe1\u606f\u800c\u4e0d\u8fdb\u884c\u5904\u7406：
                    \n.\/janus-pp-rec –json \/path\/to\/source.mjr # Print JSON header
                    \n.\/janus-pp-rec –header \/path\/to\/source.mjr # Parse header only
                    \n.\/janus-pp-rec –parse \/path\/to\/source.mjr # Parse without processing<\/p>\n

                    Janus \u8fd8\u5305\u62ec\u7528\u4e8e\u5728 Janus \u5f55\u97f3\u548c\u6570\u636e\u5305\u6355\u83b7\u683c\u5f0f\u4e4b\u95f4\u8fdb\u884c\u8f6c\u6362\u7684\u5b9e\u7528\u7a0b\u5e8f：<\/span><\/span><\/p>\n

                      \n
                    • mjr2pcap：\u5c06 Janus \u8bb0\u5f55\u8f6c\u6362\u4e3a PCAP \u683c\u5f0f，\u4ee5\u4fbf\u5728 Wireshark \u7b49\u5de5\u5177\u4e2d\u8fdb\u884c\u5206\u6790<\/li>\n
                    • pcap2mjr：\u5c06 PCAP \u6587\u4ef6\u8f6c\u6362\u4e3a Janus \u5f55\u5236\u683c\u5f0f<\/li>\n<\/ul>\n

                      \u00a02.5.2 \u6d4b\u8bd5\u5de5\u5177<\/h4>\n

                      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Janus \u63d0\u4f9b\u4e86\u6d4b\u8bd5\u5de5\u5177\u6765\u9a8c\u8bc1 WebRTC \u7f51\u5173\u7684\u529f\u80fd\u548c\u6027\u80fd\u3002aiortc \u6d4b\u8bd5\u5957\u4ef6！<\/span><\/span>\u8be5\u76ee\u5f55\u5305\u542b\u4f7f\u7528 WebRTC \u529f\u80fd\u6d4b\u8bd5\u5e93\u7684\u57fa\u4e8e Python \u7684\u6d4b\u8bd5\u5de5\u5177\u3002test\/aiortc<\/span><\/span><\/p>\n

                      \u6d4b\u8bd5\u5957\u4ef6\u7684 Python \u4f9d\u8d56\u9879：<\/span><\/span><\/p>\n

                      websockets==15.0
                      \naiortc==1.10.1<\/p>\n

                      \u53ef\u4ee5\u4f7f\u7528\u63d0\u4f9b\u7684\u5e2e\u52a9\u7a0b\u5e8f\u811a\u672c\u6267\u884c\u6d4b\u8bd5\u5957\u4ef6：<\/span><\/span><\/p>\n

                      .\/test_aiortc.sh echo.py ws:\/\/localhost:8188\/ <\/p>\n

                      3.1 \u6570\u636e\u6d41\u67b6\u6784<\/h2>\n

                      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e0b\u56fe\u8bf4\u660e\u4e86\u5728\u5178\u578b\u7684 WebRTC \u4ea4\u4e92\u671f\u95f4\u901a\u8fc7 Janus \u67b6\u6784\u7684\u5b8c\u6574\u6570\u636e\u6d41\u3002\u6b64\u6d41\u7a0b\u5c55\u793a\u4e86 Janus \u7684\u4e0d\u540c\u5c42\u5982\u4f55\u534f\u540c\u5de5\u4f5c\u4ee5\u5904\u7406 WebRTC \u4fe1\u4ee4\u3001\u5a92\u4f53\u4ea4\u6362\u548c\u7279\u5b9a\u4e8e\u5e94\u7528\u7a0b\u5e8f\u7684\u903b\u8f91\u3002\u5404\u4e2a\u7ec4\u4ef6\u4e4b\u95f4\u7684\u5e72\u51c0\u5206\u79bb\u5b9e\u73b0\u4e86\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/p>\n

                      \"\"<\/p>\n

                      \u82f1\u6587\u7248：\u00a0<\/p>\n

                      \"\"<\/p>\n

                      \u5b66\u4e60\u8d44\u6599\u5206\u4eab<\/p>\n

                      0voice \u00b7 GitHub<\/p>\n","protected":false},"excerpt":{"rendered":"

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