{"id":44600,"date":"2025-06-19T22:11:05","date_gmt":"2025-06-19T14:11:05","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/44600.html"},"modified":"2025-06-19T22:11:05","modified_gmt":"2025-06-19T14:11:05","slug":"%e6%9e%84%e5%bb%ba%e8%87%aa%e5%ae%9a%e4%b9%89rtsp%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e5%ae%8c%e6%95%b4%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/44600.html","title":{"rendered":"\u6784\u5efa\u81ea\u5b9a\u4e49RTSP\u670d\u52a1\u5668\u7684\u5b8c\u6574\u6307\u5357"},"content":{"rendered":"<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250619141103-68541a77e3e31.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p>\n<p> \u7b80\u4ecb&#xff1a;RTSP\u670d\u52a1\u5668\u662f\u4e00\u4e2a\u5173\u952e\u7684\u7f51\u7edc\u5e94\u7528&#xff0c;\u5b83\u652f\u6301\u5ba2\u6237\u7aef\u63a7\u5236\u5b9e\u65f6\u5a92\u4f53\u6d41\u7684\u64ad\u653e\u3002\u8fd9\u4e2a\u538b\u7f29\u5305\u6587\u4ef6\u201crtspserver-master.zip\u201d\u53ef\u80fd\u5305\u542b\u4e86\u5f00\u53d1RTSP\u670d\u52a1\u5668\u6240\u9700\u7684\u6240\u6709\u6e90\u4ee3\u7801\u548c\u5b9e\u73b0\u7ec6\u8282\u3002\u6df1\u5165\u4e86\u89e3\u8be5\u670d\u52a1\u5668\u7684\u5de5\u4f5c\u673a\u5236\u9700\u8981\u719f\u6089RTSP\u548cRTP\u901a\u4fe1\u534f\u8bae\u7684\u57fa\u672c\u6982\u5ff5\u3002\u672c\u9879\u76ee\u9884\u671f\u5305\u542b\u6e90\u4ee3\u7801\u7ed3\u6784\u3001RTSP\u6d88\u606f\u5904\u7406\u3001RTP\/RTCP\u5b9e\u73b0\u3001\u5a92\u4f53\u5904\u7406\u80fd\u529b\u3001\u7f51\u7edc\u7f16\u7a0b\u3001\u5b89\u5168\u6027\u8003\u8651\u3001\u914d\u7f6e\u9009\u9879\u3001\u6d4b\u8bd5\u7528\u4f8b\u4ee5\u53ca\u6587\u6863\u8bf4\u660e&#xff0c;\u4ee5\u6307\u5bfc\u5f00\u53d1\u8005\u642d\u5efa\u548c\u4f7f\u7528RTSP\u670d\u52a1\u5668\u3002 <img decoding=\"async\" alt=\"rtspserver-master.zip\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250619141104-68541a781fcda.png\" \/> <\/p>\n<h2> 1. RTSP\u670d\u52a1\u5668\u7b80\u4ecb\u548c\u5e94\u7528\u573a\u666f <\/h2>\n<h3> 1.1 RTSP\u670d\u52a1\u5668\u7b80\u4ecb <\/h3>\n<p> RTSP&#xff08;Real Time Streaming Protocol&#xff09;\u670d\u52a1\u5668\u662f\u4e00\u79cd\u7528\u4e8e\u63a7\u5236\u591a\u5a92\u4f53\u6d41\u4f1a\u8bdd\u7684\u5e94\u7528\u5c42\u534f\u8bae\u3002\u5b83\u5728\u5ba2\u6237\u7aef\u548c\u6d41\u5a92\u4f53\u670d\u52a1\u5668\u4e4b\u95f4\u5efa\u7acb\u548c\u7ef4\u62a4\u4f1a\u8bdd&#xff0c;\u5141\u8bb8\u7528\u6237\u63a7\u5236\u6d41\u5a92\u4f53\u7684\u64ad\u653e&#xff0c;\u4f8b\u5982\u6682\u505c\u3001\u7ee7\u7eed\u3001\u56de\u653e\u4ee5\u53ca\u505c\u6b62\u3002 <\/p>\n<h3> 1.2 RTSP\u7684\u7279\u70b9 <\/h3>\n<p> RTSP\u7684\u7279\u70b9\u5305\u62ec\u652f\u6301\u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u6a21\u578b&#xff0c;\u4f7f\u5f97\u6d41\u5a92\u4f53\u5185\u5bb9\u53ef\u4ee5\u6309\u9700\u4f20\u8f93&#xff0c;\u5e76\u4e14\u652f\u6301\u591a\u79cd\u4f20\u8f93\u534f\u8bae&#xff0c;\u5982RTP&#xff08;Real-time Transport Protocol&#xff09;\u548cRTP Control Protocol (RTCP)\u3002\u5b83\u8fd8\u63d0\u4f9b\u4e86\u4e00\u79cd\u673a\u5236\u6765\u62a5\u544a\u548c\u63a7\u5236\u6d41\u5a92\u4f53\u7684\u8d28\u91cf\u3002 <\/p>\n<h3> 1.3 RTSP\u670d\u52a1\u5668\u7684\u5e94\u7528\u573a\u666f <\/h3>\n<p> RTSP\u670d\u52a1\u5668\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u89c6\u9891\u76d1\u63a7\u3001\u89c6\u9891\u4f1a\u8bae\u548c\u6d41\u5a92\u4f53\u670d\u52a1\u4e2d\u3002\u5728\u8fd9\u4e9b\u573a\u666f\u4e0b&#xff0c;RTSP\u5145\u5f53\u63a7\u5236\u5c42\u7684\u89d2\u8272&#xff0c;\u8d1f\u8d23\u7ba1\u7406\u5a92\u4f53\u6d41\u7684\u4f20\u8f93\u548c\u63a7\u5236\u3002\u5f00\u53d1\u8005\u80fd\u591f\u5229\u7528RTSP\u670d\u52a1\u5668\u4e3a\u6700\u7ec8\u7528\u6237\u63d0\u4f9b\u4e30\u5bcc\u7684\u5a92\u4f53\u4ea4\u4e92\u4f53\u9a8c\u3002 <\/p>\n<h2> 2. RTSP\u534f\u8bae\u57fa\u7840\u548c\u529f\u80fd <\/h2>\n<h3> 2.1 RTSP\u534f\u8bae\u6982\u8ff0 <\/h3>\n<h4> 2.1.1 RTSP\u534f\u8bae\u7684\u5386\u53f2\u548c\u76ee\u7684 <\/h4>\n<p> \u5b9e\u65f6\u6d41\u534f\u8bae&#xff08;RTSP, Real Time Streaming Protocol&#xff09;\u6700\u521d\u7531Real Networks\u548cNetscape\u57281996\u5e74\u63d0\u51fa&#xff0c;\u65e8\u5728\u901a\u8fc7\u4e92\u8054\u7f51\u63a7\u5236\u591a\u5a92\u4f53\u670d\u52a1\u5668\u3002RTSP\u5728RFC 2326\u4e2d\u88ab\u6807\u51c6\u5316&#xff0c;\u5e76\u4e14\u968f\u7740\u6280\u672f\u7684\u6f14\u8fdb\u88ab\u8fdb\u4e00\u6b65\u66f4\u65b0\u4e3aRFC 2326\u3002\u5176\u4e3b\u8981\u76ee\u7684\u662f\u63d0\u4f9b\u4e00\u79cd\u53ef\u9760\u7684\u63a7\u5236\u673a\u5236&#xff0c;\u4ee5\u63a7\u5236\u5a92\u4f53\u670d\u52a1\u5668\u4e0a\u7684\u97f3\u89c6\u9891\u6d41\u5a92\u4f53\u6570\u636e\u4f20\u8f93\u3002 <\/p>\n<p> RTSP\u88ab\u8bbe\u8ba1\u4e3a\u201c\u5a92\u4f53\u63a7\u5236\u534f\u8bae\u201d&#xff0c;\u4e0eHTTP\u76f8\u4f3c&#xff0c;\u56e0\u4e3a\u5b83\u4e5f\u662f\u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u6a21\u578b&#xff0c;\u5e76\u4f7f\u7528\u6587\u672c\u547d\u4ee4\u3002\u7136\u800c&#xff0c;RTSP\u4e0eHTTP\u6709\u660e\u663e\u533a\u522b&#xff0c;\u4e3b\u8981\u662fRTSP\u8d1f\u8d23\u5a92\u4f53\u6d41\u7684\u63a7\u5236&#xff0c;\u800c\u975e\u6570\u636e\u7684\u4f20\u8f93\u3002RTSP\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u8bf8\u5982\u6682\u505c\u3001\u5feb\u8fdb\u3001\u5012\u5e26\u7b49\u529f\u80fd\u6765\u63a7\u5236\u5a92\u4f53\u4f1a\u8bdd&#xff0c;\u800c\u4e0d\u4f1a\u5f71\u54cd\u5e95\u5c42\u7684\u4f20\u8f93\u534f\u8bae&#xff0c;\u5982RTP&#xff08;\u5b9e\u65f6\u4f20\u8f93\u534f\u8bae&#xff09;\u3002 <\/p>\n<h4> 2.1.2 RTSP\u534f\u8bae\u7684\u4e3b\u8981\u529f\u80fd\u548c\u7279\u6027 <\/h4>\n<p> RTSP\u534f\u8bae\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li>  \u4f1a\u8bdd\u63a7\u5236  &#xff1a;\u5141\u8bb8\u5efa\u7acb\u548c\u7ba1\u7406\u8fde\u7eed\u7684\u5a92\u4f53\u6d41\u4f1a\u8bdd\u3002 <\/li>\n<li>  \u6d41\u5a92\u4f53\u540c\u6b65  &#xff1a;\u63d0\u4f9b\u65f6\u95f4\u6807\u8bb0\u6765\u540c\u6b65\u97f3\u89c6\u9891\u6570\u636e\u6d41\u3002 <\/li>\n<li>  \u529f\u80fd\u67e5\u8be2  &#xff1a;\u80fd\u591f\u67e5\u8be2\u5a92\u4f53\u670d\u52a1\u5668\u63d0\u4f9b\u7684\u529f\u80fd\u548c\u5a92\u4f53\u6d41\u53c2\u6570\u3002 <\/li>\n<li>  \u591a\u8def\u590d\u7528  &#xff1a;\u652f\u6301\u5728\u540c\u4e00\u4e2a\u8fde\u63a5\u4e0a\u5e76\u53d1\u4f20\u8f93\u591a\u4e2a\u5a92\u4f53\u6d41\u3002 <\/li>\n<li>  \u5a92\u4f53\u683c\u5f0f\u548c\u4f20\u8f93\u9009\u62e9  &#xff1a;\u5141\u8bb8\u5ba2\u6237\u7aef\u6307\u5b9a\u5a92\u4f53\u683c\u5f0f\u548c\u6240\u9700\u7684\u4f20\u8f93\u65b9\u5f0f\u3002 <\/li>\n<\/ul>\n<p> RTSP\u7684\u7279\u6027\u6709&#xff1a; <\/p>\n<ul>\n<li>  \u72ec\u7acb\u4e8e\u4f20\u8f93\u5c42  &#xff1a;RTSP\u672c\u8eab\u4e0d\u8d1f\u8d23\u6570\u636e\u4f20\u8f93&#xff0c;\u53ef\u4e0eRTP\u7b49\u4f20\u8f93\u534f\u8bae\u8054\u5408\u4f7f\u7528\u3002 <\/li>\n<li>  \u72ec\u7acb\u4e8e\u7f16\u7801  &#xff1a;RTSP\u4e0d\u4f9d\u8d56\u4e8e\u4efb\u4f55\u7279\u5b9a\u7684\u97f3\u9891\u6216\u89c6\u9891\u683c\u5f0f\u3002 <\/li>\n<li>  \u4fdd\u6301\u4f1a\u8bdd\u72b6\u6001  &#xff1a;RTSP\u670d\u52a1\u5668\u80fd\u591f\u7ef4\u6301\u4f1a\u8bdd\u72b6\u6001\u5e76\u5141\u8bb8\u7528\u6237\u5728\u4f1a\u8bdd\u8fc7\u7a0b\u4e2d\u8fdb\u884c\u63a7\u5236\u3002 <\/li>\n<li>  \u53ef\u6269\u5c55  &#xff1a;\u901a\u8fc7\u6269\u5c55\u65b9\u6cd5&#xff0c;\u53ef\u4ee5\u5bf9\u534f\u8bae\u8fdb\u884c\u6269\u5c55&#xff0c;\u4ee5\u652f\u6301\u65b0\u7684\u63a7\u5236\u529f\u80fd\u3002 <\/li>\n<\/ul>\n<p> RTSP\u534f\u8bae\u7684\u8bbe\u8ba1\u8003\u8651\u4e86\u7075\u6d3b\u6027\u548c\u6269\u5c55\u6027&#xff0c;\u786e\u4fdd\u5b83\u53ef\u4ee5\u4e0e\u73b0\u6709\u7684\u53ca\u5c06\u6765\u7684\u5a92\u4f53\u683c\u5f0f\u548c\u4f20\u8f93\u673a\u5236\u534f\u540c\u5de5\u4f5c\u3002 <\/p>\n<h3> 2.2 RTSP\u534f\u8bae\u7684\u64cd\u4f5c\u6a21\u5f0f <\/h3>\n<h4> 2.2.1 RTSP\u8bf7\u6c42\u548c\u54cd\u5e94 <\/h4>\n<p> RTSP\u901a\u4fe1\u57fa\u4e8e\u8bf7\u6c42-\u54cd\u5e94\u6a21\u5f0f&#xff0c;\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u901a\u8fc7\u4ea4\u6362RTSP\u6d88\u606f\u8fdb\u884c\u4ea4\u4e92\u3002\u4e3b\u8981\u7684RTSP\u8bf7\u6c42\u65b9\u6cd5\u5305\u62ec&#xff1a;OPTIONS, DESCRIBE, ANNOUNCE, SETUP, PLAY, PAUSE, RECORD, TEARDOWN\u7b49\u3002 <\/p>\n<ul>\n<li>  OPTIONS  : \u67e5\u8be2\u670d\u52a1\u5668\u652f\u6301\u54ea\u4e9b\u65b9\u6cd5\u3002 <\/li>\n<li>  DESCRIBE  : \u83b7\u53d6\u5a92\u4f53\u4f20\u8f93\u53c2\u6570&#xff0c;\u5982RTP\u548cRTCP\u7684\u7aef\u53e3\u53f7\u3002 <\/li>\n<li>  SETUP  : \u4e3a\u5a92\u4f53\u6d41\u4f20\u8f93\u8bbe\u7f6e\u4f20\u8f93\u53c2\u6570\u3002 <\/li>\n<li>  PLAY  : \u5f00\u59cb\u6216\u6062\u590d\u6d41\u5a92\u4f53\u4f20\u8f93\u3002 <\/li>\n<li>  PAUSE  : \u4e34\u65f6\u505c\u6b62\u5a92\u4f53\u6d41\u3002 <\/li>\n<li>  TEARDOWN  : \u7ed3\u675f\u4e00\u4e2a\u5a92\u4f53\u6d41\u5e76\u91ca\u653e\u8d44\u6e90\u3002 <\/li>\n<\/ul>\n<p> RTSP\u8bf7\u6c42\u901a\u5e38\u4f7f\u7528TCP\u6216UDP\u4f20\u8f93&#xff0c;\u4f7f\u7528TCP\u65f6&#xff0c;RTSP\u6d88\u606f\u901a\u8fc7\u6587\u672c\u534f\u8bae\u53d1\u9001&#xff0c;\u800c\u4f7f\u7528UDP\u65f6\u5219\u91c7\u7528\u4e8c\u8fdb\u5236\u5f62\u5f0f\u3002RTSP\u54cd\u5e94\u5305\u542b\u72b6\u6001\u7801&#xff0c;\u6307\u793a\u8bf7\u6c42\u662f\u5426\u6210\u529f&#xff0c;\u5e38\u89c1\u7684\u72b6\u6001\u7801\u5305\u62ec200 OK&#xff08;\u6210\u529f&#xff09;\u3001401 Unauthorized&#xff08;\u8ba4\u8bc1\u5931\u8d25&#xff09;\u3001404 Not Found&#xff08;\u672a\u627e\u5230&#xff09;\u7b49\u3002 <\/p>\n<h4> 2.2.2 RTSP\u72b6\u6001\u7801\u548c\u9519\u8bef\u5904\u7406 <\/h4>\n<p> RTSP\u7684\u72b6\u6001\u7801\u662f\u6807\u51c6\u7684HTTP\u72b6\u6001\u7801\u7684\u5b50\u96c6&#xff0c;\u4f46\u4e5f\u5305\u542b\u4e00\u4e9b\u4e13\u95e8\u4e3aRTSP\u8bbe\u8ba1\u7684\u72b6\u6001\u7801\u3002\u4f8b\u5982&#xff0c;200 OK\u7528\u4e8e\u8868\u793a\u8bf7\u6c42\u5df2\u88ab\u6210\u529f\u5904\u7406&#xff1b;451 Parameter Not Understood\u8868\u793a\u5ba2\u6237\u7aef\u53d1\u9001\u4e86\u670d\u52a1\u5668\u4e0d\u7406\u89e3\u7684\u53c2\u6570&#xff1b;461 Method Not Valid in This State\u8868\u793a\u5728\u5f53\u524d\u4f1a\u8bdd\u72b6\u6001\u4e0b&#xff0c;\u8be5\u65b9\u6cd5\u4e0d\u9002\u7528\u3002 <\/p>\n<p> \u9519\u8bef\u5904\u7406\u662f\u4efb\u4f55\u7f51\u7edc\u901a\u4fe1\u534f\u8bae\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002RTSP\u534f\u8bae\u901a\u8fc7\u5b9a\u4e49\u4e00\u7cfb\u5217\u72b6\u6001\u7801\u6765\u901a\u77e5\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\u5173\u4e8e\u8bf7\u6c42\u5904\u7406\u7684\u4efb\u4f55\u9519\u8bef\u3002\u4f8b\u5982&#xff0c;\u5f53\u670d\u52a1\u5668\u68c0\u6d4b\u5230\u6570\u636e\u6d41\u4e0d\u4e00\u81f4\u6216\u5b8c\u6574\u6027\u53d7\u5230\u5a01\u80c1\u65f6&#xff0c;\u5b83\u53ef\u4ee5\u53d1\u9001\u9519\u8bef\u54cd\u5e94\u6765\u6307\u660e\u95ee\u9898\u6240\u5728\u3002\u5ba2\u6237\u7aef\u63a5\u6536\u5230\u9519\u8bef\u54cd\u5e94\u540e&#xff0c;\u5e94\u9002\u5f53\u5904\u7406&#xff0c;\u4f8b\u5982\u5c1d\u8bd5\u91cd\u65b0\u5efa\u7acb\u8fde\u63a5\u6216\u7ec8\u6b62\u4f1a\u8bdd\u3002 <\/p>\n<p> \u5bf9\u4e8e\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5f00\u53d1\u8005\u800c\u8a00&#xff0c;\u7406\u89e3\u8fd9\u4e9b\u72b6\u6001\u7801\u5bf9\u4e8e\u6b63\u786e\u5904\u7406\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u9047\u5230\u7684\u5f02\u5e38\u72b6\u51b5\u81f3\u5173\u91cd\u8981\u3002\u5f00\u53d1\u8005\u9700\u8981\u5c06\u8fd9\u4e9b\u72b6\u6001\u7801\u7eb3\u5165\u5230\u9519\u8bef\u5904\u7406\u903b\u8f91\u4e2d&#xff0c;\u786e\u4fdd\u534f\u8bae\u7684\u5065\u58ee\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002 <\/p>\n<p>\/\/ \u793a\u4f8bRTSP\u8bf7\u6c42\u54cd\u5e94\u4ee3\u7801\u5757<br \/>\n\/\/ \u6ce8\u610f&#xff1a;\u4ee3\u7801\u5757\u4e2d\u4f7f\u7528\u4f2a\u4ee3\u7801\u8868\u793a\u4e86RTSP\u8bf7\u6c42\u7684\u53d1\u9001\u548c\u54cd\u5e94\u5904\u7406\u8fc7\u7a0b<br \/>\nfunction sendRTSPRequest(requestType, url, headers, body) {<br \/>\n    \/\/ \u6784\u5efa\u8bf7\u6c42\u6570\u636e<br \/>\n    String data &#061; buildRequestData(requestType, url, headers, body);<br \/>\n    \/\/ \u53d1\u9001\u8bf7\u6c42\u5230\u670d\u52a1\u5668<br \/>\n    String response &#061; send(data, url);<br \/>\n    \/\/ \u89e3\u6790\u54cd\u5e94\u6570\u636e<br \/>\n    RTSPResponse rtspResponse &#061; parseResponse(response);<br \/>\n    return rtspResponse;<br \/>\n}<\/p>\n<p> \u4ee5\u4e0a\u4ee3\u7801\u5757\u5c55\u793a\u4e86\u53d1\u9001RTSP\u8bf7\u6c42\u5e76\u89e3\u6790\u54cd\u5e94\u7684\u7b80\u5316\u8fc7\u7a0b&#xff0c;\u5305\u62ec\u8bf7\u6c42\u6784\u5efa\u3001\u53d1\u9001\u548c\u54cd\u5e94\u89e3\u6790\u7684\u6b65\u9aa4\u3002\u6bcf\u4e2a\u51fd\u6570\u90fd\u5e94\u5177\u6709\u8be6\u7ec6\u7684\u903b\u8f91\u8bf4\u660e\u548c\u53c2\u6570\u8bf4\u660e\u3002\u72b6\u6001\u7801\u7684\u5904\u7406\u903b\u8f91\u5bf9\u4e8e\u4fdd\u6301\u901a\u4fe1\u8fc7\u7a0b\u7684\u5065\u58ee\u6027\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n<h2> 3. RTP\u548cRTCP\u534f\u8bae\u6982\u8ff0 <\/h2>\n<h3> 3.1 RTP\u534f\u8bae\u8be6\u89e3 <\/h3>\n<h4> 3.1.1 RTP\u534f\u8bae\u7684\u8bbe\u8ba1\u548c\u7ed3\u6784 <\/h4>\n<p> RTP&#xff08;Real-time Transport Protocol&#xff09;\u662f\u5b9e\u65f6\u4f20\u8f93\u534f\u8bae&#xff0c;\u5b83\u4e13\u4e3a\u7f51\u7edc\u4e0a\u7684\u5b9e\u65f6\u6570\u636e\u4f20\u8f93\u800c\u8bbe\u8ba1\u3002RTP\u901a\u5e38\u4e0eRTCP&#xff08;Real-time Control Protocol&#xff09;\u4e00\u8d77\u4f7f\u7528&#xff0c;\u63d0\u4f9b\u7aef\u5230\u7aef\u7684\u7f51\u7edc\u4f20\u8f93\u529f\u80fd&#xff0c;\u9002\u7528\u4e8e\u97f3\u9891\u548c\u89c6\u9891\u6d41\u7b49\u591a\u79cd\u5a92\u4f53\u7684\u4f20\u8f93\u3002\u5b83\u5728IP\u7f51\u7edc\u4e0a\u5b9e\u73b0\u7aef\u70b9\u4e4b\u95f4\u7684\u6709\u6548\u6570\u636e\u4f20\u8f93&#xff0c;\u800c\u4e0d\u5173\u5fc3\u5e95\u5c42\u7f51\u7edc\u7684\u72b6\u51b5\u3002 <\/p>\n<p> RTP\u534f\u8bae\u7684\u7279\u70b9\u5305\u62ec&#xff1a; &#8211;  \u5e8f\u5217\u53f7  &#xff1a;\u7528\u4e8e\u6570\u636e\u5305\u6392\u5e8f\u548c\u4e22\u5305\u68c0\u6d4b\u3002 &#8211;  \u65f6\u95f4\u6233  &#xff1a;\u540c\u6b65\u591a\u4e2a\u6570\u636e\u6d41&#xff0c;\u4fdd\u8bc1\u5a92\u4f53\u6d41\u7684\u8fde\u7eed\u6027\u3002 &#8211;  \u6709\u6548\u8f7d\u8377\u7c7b\u578b  &#xff1a;\u6807\u8bc6\u6240\u4f20\u8f93\u6570\u636e\u7684\u683c\u5f0f\u3002 &#8211;  \u540c\u6b65\u6e90\u6807\u8bc6\u7b26&#xff08;SSRC&#xff09;  &#xff1a;\u6807\u8bc6\u6570\u636e\u6d41\u7684\u6765\u6e90\u3002 &#8211;  \u8d21\u732e\u6e90\u6807\u8bc6\u7b26&#xff08;CSRC&#xff09;  &#xff1a;\u6807\u8bc6RTP\u6df7\u5408\u5668\u63d2\u5165\u7684\u6570\u636e\u6d41\u3002 <\/p>\n<p> RTP\u6570\u636e\u5305\u7ed3\u6784\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u4e3b\u8981\u90e8\u5206&#xff1a; &#8211;  RTP\u5934\u90e8  &#xff1a;\u5305\u542b\u4e86\u63a7\u5236\u4fe1\u606f&#xff0c;\u4f8b\u5982\u65f6\u95f4\u6233\u3001\u5e8f\u5217\u53f7\u3001\u6709\u6548\u8f7d\u8377\u7c7b\u578b\u7b49\u3002 &#8211;  \u6709\u6548\u8f7d\u8377  &#xff1a;\u5b9e\u9645\u4f20\u8f93\u7684\u6570\u636e&#xff0c;\u53ef\u4ee5\u662f\u97f3\u9891\u3001\u89c6\u9891\u6216\u5176\u4ed6\u5a92\u4f53\u7c7b\u578b\u7684\u6570\u636e\u3002 <\/p>\n<h4> 3.1.2 RTP\u6570\u636e\u5305\u7684\u5c01\u88c5\u548c\u4f20\u8f93 <\/h4>\n<p> RTP\u6570\u636e\u5305\u7684\u5c01\u88c5\u6d89\u53ca\u5c06\u5a92\u4f53\u6570\u636e\u5c01\u88c5\u8fdbRTP\u5305\u7684\u8fc7\u7a0b\u3002RTP\u901a\u5e38\u8fd0\u884c\u5728UDP\u534f\u8bae\u4e4b\u4e0a&#xff0c;\u5229\u7528UDP\u7684\u65e0\u8fde\u63a5\u7279\u6027\u6765\u51cf\u5c11\u5ef6\u8fdf\u3002RTP\u5934\u90e8\u4e3a\u6bcf\u4e2aRTP\u6570\u636e\u5305\u63d0\u4f9b\u5fc5\u8981\u7684\u63a7\u5236\u4fe1\u606f&#xff0c;\u800c\u6709\u6548\u8f7d\u8377\u5219\u662f\u627f\u8f7d\u5728\u5934\u90e8\u4e4b\u540e\u7684\u5a92\u4f53\u6570\u636e\u3002 <\/p>\n<p> \u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d&#xff0c;RTP\u5c06\u6570\u636e\u5c01\u88c5\u5230\u76f8\u5e94\u7684\u6570\u636e\u5305\u4e2d&#xff0c;\u5e76\u9644\u52a0\u5fc5\u8981\u7684\u5934\u90e8\u4fe1\u606f\u3002\u8fd9\u4e9b\u6570\u636e\u5305\u968f\u540e\u88ab\u53d1\u9001\u5230\u76ee\u6807\u5730\u5740\u3002\u63a5\u6536\u7aef\u6839\u636e\u5e8f\u5217\u53f7\u5bf9\u6536\u5230\u7684RTP\u5305\u8fdb\u884c\u6392\u5e8f&#xff0c;\u6062\u590d\u539f\u59cb\u5a92\u4f53\u6d41\u3002\u5982\u679c\u4e22\u5931\u4e86\u6570\u636e\u5305&#xff0c;\u63a5\u6536\u7aef\u53ef\u4ee5\u4f9d\u8d56\u65f6\u95f4\u6233\u6765\u5904\u7406\u65f6\u95f4\u540c\u6b65\u3002 <\/p>\n<p> RTP\u534f\u8bae\u662f\u65e0\u72b6\u6001\u7684&#xff0c;\u5b83\u4e0d\u4fdd\u8bc1\u6570\u636e\u5305\u7684\u53ef\u9760\u4f20\u8f93&#xff0c;\u4e22\u5305\u548c\u4e71\u5e8f\u7b49\u95ee\u9898\u9700\u8981\u5e94\u7528\u5c42\u534f\u8bae\u6765\u89e3\u51b3\u3002\u5728\u8bbe\u8ba1RTP\u5e94\u7528\u65f6&#xff0c;\u53ef\u80fd\u9700\u8981\u914d\u5408TCP\u6216\u8005\u4f7f\u7528UDP\u548c\u5e94\u7528\u5c42\u534f\u8bae&#xff08;\u4f8b\u5982RTCP&#xff09;\u6765\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u548c\u8d28\u91cf\u3002 <\/p>\n<h3> 3.2 RTCP\u534f\u8bae\u8be6\u89e3 <\/h3>\n<h4> 3.2.1 RTCP\u7684\u53cd\u9988\u548c\u63a7\u5236\u529f\u80fd <\/h4>\n<p> RTCP&#xff08;Real-time Control Protocol&#xff09;\u662f\u5b9e\u65f6\u63a7\u5236\u534f\u8bae&#xff0c;\u4e3b\u8981\u8d1f\u8d23\u5bf9RTP\u4f1a\u8bdd\u8fdb\u884c\u8d28\u91cf\u53cd\u9988\u3001\u5a92\u4f53\u540c\u6b65\u548c\u53c2\u4e0e\u8005\u4fe1\u606f\u7684\u7ba1\u7406\u3002RTCP\u5468\u671f\u6027\u5730\u53d1\u9001\u63a7\u5236\u4fe1\u606f&#xff0c;\u5e2e\u52a9\u7f51\u7edc\u53c2\u4e0e\u8005\u8bc4\u4f30\u6570\u636e\u6d41\u7684\u8d28\u91cf&#xff0c;\u5e76\u901a\u8fc7\u53cd\u9988\u673a\u5236\u4e3a\u7f51\u7edc\u6d41\u91cf\u548c\u5a92\u4f53\u6d41\u7684\u7ba1\u7406\u63d0\u4f9b\u6570\u636e\u3002 <\/p>\n<p> RTCP\u7684\u5173\u952e\u7279\u6027\u5305\u62ec&#xff1a; &#8211;  \u53d1\u9001\u548c\u63a5\u6536\u62a5\u544a  &#xff1a;\u5305\u542b\u6570\u636e\u5305\u4e22\u5931\u60c5\u51b5\u548c\u5ef6\u8fdf\u4fe1\u606f\u3002 &#8211;  \u6e90\u63cf\u8ff0  &#xff1a;\u63d0\u4f9b\u53c2\u4e0e\u8005\u76f8\u5173\u7684\u4fe1\u606f&#xff0c;\u4f8b\u5982\u7528\u6237\u522b\u540d\u3001\u90ae\u4ef6\u5730\u5740\u7b49\u3002 &#8211;  \u5e94\u7528\u7279\u5b9a\u7684\u63a7\u5236\u4fe1\u606f  &#xff1a;\u7528\u4e8e\u53d1\u9001\u7279\u5b9a\u5e94\u7528\u7684\u63a7\u5236\u4fe1\u606f\u3002 <\/p>\n<p> \u901a\u8fc7\u8fd9\u4e9b\u63a7\u5236\u4fe1\u606f&#xff0c;\u7cfb\u7edf\u80fd\u591f\u76d1\u63a7\u548c\u7ba1\u7406RTP\u4f1a\u8bdd&#xff0c;\u4ee5\u4f18\u5316\u4f20\u8f93\u8d28\u91cf\u3002\u4f8b\u5982&#xff0c;\u5982\u679c\u68c0\u6d4b\u5230\u4e22\u5305\u7387\u8fc7\u9ad8&#xff0c;\u7cfb\u7edf\u53ef\u4ee5\u964d\u4f4e\u4f20\u8f93\u7684\u6bd4\u7279\u7387&#xff0c;\u4ece\u800c\u51cf\u5c11\u4e22\u5305&#xff0c;\u4fdd\u6301\u901a\u4fe1\u6d41\u7545\u3002 <\/p>\n<h4> 3.2.2 RTCP\u62a5\u544a\u548c\u6027\u80fd\u76d1\u63a7 <\/h4>\n<p> RTCP\u62a5\u544a\u7528\u4e8e\u5728\u53c2\u4e0e\u8005\u95f4\u4ea4\u6362\u63a7\u5236\u4fe1\u606f&#xff0c;\u4e3b\u8981\u7c7b\u578b\u6709\u53d1\u9001\u8005\u62a5\u544a&#xff08;SR&#xff09;\u548c\u63a5\u6536\u8005\u62a5\u544a&#xff08;RR&#xff09;\u3002 <\/p>\n<ul>\n<li>  \u53d1\u9001\u8005\u62a5\u544a  &#xff1a;\u5305\u62ec\u53d1\u9001\u8005\u81ea\u4e0a\u6b21\u53d1\u9001\u62a5\u544a\u4ee5\u6765\u53d1\u9001\u7684\u6240\u6709\u6570\u636e\u5305\u7684\u6570\u91cf\u3001\u4e22\u5931\u7684\u6570\u636e\u5305\u6570\u91cf\u3001\u4ee5\u53ca\u65f6\u95f4\u6233\u4fe1\u606f\u3002\u8fd9\u4f7f\u5f97\u63a5\u6536\u8005\u53ef\u4ee5\u8ba1\u7b97\u5f80\u8fd4\u65f6\u95f4&#xff08;RTT&#xff09;\u548c\u4f30\u8ba1\u7f51\u7edc\u5e26\u5bbd\u3002 <\/li>\n<li>  \u63a5\u6536\u8005\u62a5\u544a  &#xff1a;\u62a5\u544a\u8005\u6536\u96c6\u5230\u7684\u5173\u4e8e\u53d1\u9001\u8005\u53d1\u9001\u7684\u6570\u636e\u5305\u7684\u4fe1\u606f&#xff0c;\u5982\u4e22\u5305\u7387\u548c\u6296\u52a8\u60c5\u51b5\u3002\u8fd9\u5bf9\u53d1\u9001\u8005\u800c\u8a00&#xff0c;\u662f\u975e\u5e38\u91cd\u8981\u7684\u4fe1\u606f&#xff0c;\u5b83\u53ef\u4ee5\u6839\u636e\u8fd9\u4e9b\u6570\u636e\u8c03\u6574\u6570\u636e\u53d1\u9001\u7387\u3002 <\/li>\n<\/ul>\n<p> \u6027\u80fd\u76d1\u63a7\u662f\u901a\u8fc7\u8fd9\u4e9bRTCP\u62a5\u544a\u6765\u5b9e\u73b0\u7684&#xff0c;\u7cfb\u7edf\u6839\u636e\u62a5\u544a\u63d0\u4f9b\u7684\u6307\u6807\u5bf9\u6027\u80fd\u8fdb\u884c\u8bc4\u4f30&#xff0c;\u5e76\u636e\u6b64\u4f5c\u51fa\u5fc5\u8981\u7684\u8c03\u6574\u3002\u6027\u80fd\u76d1\u63a7\u4e0d\u4ec5\u6709\u5229\u4e8e\u63d0\u9ad8\u97f3\u89c6\u9891\u8d28\u91cf&#xff0c;\u8fd8\u6709\u52a9\u4e8e\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u4f20\u8f93\u95ee\u9898\u3002 <\/p>\n<p> \u4e3a\u4e86\u66f4\u597d\u5730\u4e86\u89e3RTP\u548cRTCP\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u8868\u73b0&#xff0c;\u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u6765\u5c55\u793a\u5b83\u4eec\u7684\u4ea4\u4e92\u8fc7\u7a0b\u3002 <\/p>\n<p>graph LR<br \/>\n    A[\u6570\u636e\u6e90] &#8211;&gt;|\u97f3\u89c6\u9891\u6d41| B(RTP\u5c01\u88c5)<br \/>\n    B &#8211;&gt; C[UDP\u6570\u636e\u5305]<br \/>\n    C &#8211;&gt; D[\u7f51\u7edc\u4f20\u8f93]<br \/>\n    D &#8211;&gt; E[\u63a5\u6536\u7aef\u89e3\u5c01\u88c5]<br \/>\n    E &#8211;&gt;|\u6570\u636e\u6d41| F[\u5e94\u7528\u5904\u7406]<br \/>\n    F &#8211;&gt; G[\u6027\u80fd\u76d1\u63a7]<br \/>\n    G &#8211;&gt; H[RTCP\u53d1\u9001\u63a5\u6536\u62a5\u544a]<br \/>\n    H &#8211;&gt; I[\u6570\u636e\u5305\u5206\u6790]<br \/>\n    I &#8211;&gt;|\u53cd\u9988| F<\/p>\n<p> \u5728\u4e0a\u8ff0\u6d41\u7a0b\u56fe\u4e2d&#xff0c;\u5c55\u793a\u4e86RTP\u6570\u636e\u5305\u7684\u5c01\u88c5\u3001\u4f20\u8f93\u548c\u63a5\u6536\u7aef\u89e3\u5c01\u88c5\u8fc7\u7a0b&#xff0c;\u4ee5\u53caRTCP\u53c2\u4e0e\u6027\u80fd\u76d1\u63a7\u548c\u53cd\u9988\u7684\u673a\u5236\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f&#xff0c;RTP\u548cRTCP\u5171\u540c\u4e3a\u5b9e\u65f6\u4f20\u8f93\u63d0\u4f9b\u652f\u6301&#xff0c;\u786e\u4fdd\u97f3\u89c6\u9891\u901a\u4fe1\u7684\u8d28\u91cf\u3002 <\/p>\n<p> \u5728\u4e0b\u4e00\u7ae0\u8282\u4e2d&#xff0c;\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8RTSP\u670d\u52a1\u5668\u7684\u6e90\u4ee3\u7801\u7ed3\u6784\u53ca\u5176\u4e3b\u8981\u6a21\u5757&#xff0c;\u8fd9\u5c06\u4e3a\u7406\u89e3RTSP\u670d\u52a1\u5668\u7684\u5de5\u4f5c\u539f\u7406\u548c\u5185\u90e8\u673a\u5236\u63d0\u4f9b\u8fdb\u4e00\u6b65\u7684\u89c6\u89d2\u3002 <\/p>\n<h2> 4. \u6e90\u4ee3\u7801\u7ed3\u6784\u548c\u4e3b\u8981\u6a21\u5757 <\/h2>\n<h3> 4.1 \u6e90\u4ee3\u7801\u7ec4\u7ec7\u67b6\u6784 <\/h3>\n<h4> 4.1.1 \u6a21\u5757\u5316\u8bbe\u8ba1\u539f\u5219 <\/h4>\n<p> \u5728\u8bbe\u8ba1RTSP\u670d\u52a1\u5668\u65f6&#xff0c;\u91c7\u7528\u6a21\u5757\u5316\u8bbe\u8ba1\u539f\u5219\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u6a21\u5757\u5316\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027&#xff0c;\u786e\u4fdd\u8f6f\u4ef6\u8d28\u91cf&#xff0c;\u540c\u65f6\u964d\u4f4e\u7cfb\u7edf\u590d\u6742\u6027\u3002\u6bcf\u4e2a\u6a21\u5757\u90fd\u6709\u7279\u5b9a\u7684\u529f\u80fd&#xff0c;\u4f8b\u5982&#xff1a;\u4f1a\u8bdd\u7ba1\u7406\u3001\u6570\u636e\u6d41\u63a7\u5236\u3001\u5b89\u5168\u8ba4\u8bc1\u7b49&#xff0c;\u6a21\u5757\u95f4\u901a\u8fc7\u660e\u786e\u5b9a\u4e49\u7684\u63a5\u53e3\u8fdb\u884c\u901a\u4fe1\u3002\u5f53\u7cfb\u7edf\u9700\u8981\u65b0\u589e\u529f\u80fd\u6216\u4fee\u6539\u73b0\u6709\u529f\u80fd\u65f6&#xff0c;\u901a\u8fc7\u64cd\u4f5c\u5177\u4f53\u7684\u6a21\u5757\u5373\u53ef\u5b9e\u73b0&#xff0c;\u65e0\u9700\u91cd\u6784\u6574\u4e2a\u7cfb\u7edf\u3002 <\/p>\n<p> \u6a21\u5757\u5316\u8bbe\u8ba1\u8fd8\u8981\u6c42\u6a21\u5757\u95f4\u5c3d\u53ef\u80fd\u677e\u8026\u5408\u3002\u5728\u4ee3\u7801\u5c42\u9762&#xff0c;\u8fd9\u610f\u5473\u7740\u6a21\u5757\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u5e94\u5f53\u6700\u5c0f\u5316&#xff0c;\u7406\u60f3\u60c5\u51b5\u4e0b&#xff0c;\u53ea\u901a\u8fc7\u62bd\u8c61\u63a5\u53e3\u8fdb\u884c\u4ea4\u4e92\u3002\u5728\u7269\u7406\u5c42\u9762&#xff0c;\u901a\u5e38\u53ef\u4ee5\u5c06\u6a21\u5757\u4f5c\u4e3a\u72ec\u7acb\u7684\u4ee3\u7801\u6587\u4ef6\u6216\u5e93&#xff0c;\u4fbf\u4e8e\u7ba1\u7406\u548c\u66f4\u65b0\u3002 <\/p>\n<h4> 4.1.2 \u4e3b\u8981\u6a21\u5757\u7684\u529f\u80fd\u5212\u5206 <\/h4>\n<p> RTSP\u670d\u52a1\u5668\u7684\u4e3b\u8981\u6a21\u5757\u53ef\u5927\u81f4\u5212\u5206\u4e3a&#xff1a; <\/p>\n<ul>\n<li>  \u670d\u52a1\u5668\u542f\u52a8\u548c\u521d\u59cb\u5316\u6a21\u5757  &#xff1a;\u8d1f\u8d23\u670d\u52a1\u5668\u7684\u57fa\u672c\u914d\u7f6e\u548c\u542f\u52a8\u6d41\u7a0b\u3002 <\/li>\n<li>  \u5ba2\u6237\u7aef\u5904\u7406\u6a21\u5757  &#xff1a;\u8d1f\u8d23\u76d1\u542cRTSP\u8bf7\u6c42&#xff0c;\u5e76\u5bf9\u5176\u8fdb\u884c\u89e3\u6790\u548c\u54cd\u5e94\u3002 <\/li>\n<li>  \u4f1a\u8bdd\u7ba1\u7406\u6a21\u5757  &#xff1a;\u8d1f\u8d23\u7ba1\u7406\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u4f1a\u8bdd\u72b6\u6001&#xff0c;\u5305\u62ec\u4f1a\u8bdd\u7684\u5efa\u7acb\u3001\u7ef4\u62a4\u548c\u7ed3\u675f\u3002 <\/li>\n<li>  \u5a92\u4f53\u6d41\u5904\u7406\u6a21\u5757  &#xff1a;\u8d1f\u8d23\u5a92\u4f53\u6d41\u7684\u91c7\u96c6\u3001\u7f16\u7801\u548c\u6d41\u5316\u5904\u7406\u3002 <\/li>\n<li>  \u5b89\u5168\u8ba4\u8bc1\u6a21\u5757  &#xff1a;\u8d1f\u8d23\u5904\u7406\u7528\u6237\u7684\u8ba4\u8bc1\u548c\u6388\u6743&#xff0c;\u786e\u4fdd\u901a\u4fe1\u5b89\u5168\u3002 <\/li>\n<li>  \u65e5\u5fd7\u548c\u76d1\u63a7\u6a21\u5757  &#xff1a;\u8d1f\u8d23\u8bb0\u5f55\u670d\u52a1\u5668\u64cd\u4f5c\u65e5\u5fd7\u548c\u76d1\u63a7\u670d\u52a1\u5668\u72b6\u6001\u3002 <\/li>\n<\/ul>\n<h3> 4.2 \u6838\u5fc3\u6a21\u5757\u8be6\u7ec6\u5206\u6790 <\/h3>\n<h4> 4.2.1 \u670d\u52a1\u5668\u542f\u52a8\u548c\u521d\u59cb\u5316\u6a21\u5757 <\/h4>\n<p> \u670d\u52a1\u5668\u542f\u52a8\u548c\u521d\u59cb\u5316\u6a21\u5757\u662f\u6574\u4e2aRTSP\u670d\u52a1\u5668\u8fd0\u884c\u7684\u5165\u53e3\u3002\u5b83\u7684\u4e3b\u8981\u804c\u8d23\u662f\u5728\u7a0b\u5e8f\u542f\u52a8\u65f6\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c&#xff1a; <\/p>\n<ul>\n<li> \u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6&#xff0c;\u6839\u636e\u914d\u7f6e\u6587\u4ef6\u5185\u5bb9\u8fdb\u884c\u521d\u59cb\u5316\u8bbe\u7f6e&#xff0c;\u4f8b\u5982\u7aef\u53e3\u7ed1\u5b9a\u3001\u65e5\u5fd7\u7ea7\u522b\u3001\u8ba4\u8bc1\u673a\u5236\u7b49\u3002 <\/li>\n<li> \u521d\u59cb\u5316\u7f51\u7edc\u8d44\u6e90&#xff0c;\u6bd4\u5982\u521b\u5efa\u76d1\u542c\u5957\u63a5\u5b57&#xff0c;\u7ed1\u5b9a\u5230\u7279\u5b9aIP\u5730\u5740\u548c\u7aef\u53e3\u4e0a\u3002 <\/li>\n<li> \u542f\u52a8\u540e\u53f0\u670d\u52a1\u7ebf\u7a0b&#xff0c;\u5982\u5b9a\u65f6\u4efb\u52a1\u3001\u8d44\u6e90\u6e05\u7406\u7b49\u3002 <\/li>\n<\/ul>\n<p> \u4ee5\u4e0b\u662f\u542f\u52a8\u548c\u521d\u59cb\u5316\u6a21\u5757\u7684\u4e00\u4e2a\u7b80\u5355\u4ee3\u7801\u793a\u4f8b&#xff08;\u5047\u5b9a\u4f7f\u7528C&#043;&#043;\u7f16\u5199&#xff09;&#xff1a; <\/p>\n<p>\/\/ \u4f2a\u4ee3\u7801&#xff0c;\u5c55\u793a\u670d\u52a1\u5668\u542f\u52a8\u6d41\u7a0b<br \/>\n#include &lt;iostream&gt;<br \/>\n#include &lt;Server.h&gt; \/\/ \u5047\u8bbe\u7684\u670d\u52a1\u5668\u5e93<\/p>\n<p>void initializeServer(int port, std::string logLevel) {<br \/>\n    \/\/ \u521d\u59cb\u5316\u65e5\u5fd7\u7cfb\u7edf<br \/>\n    LOG_Init(logLevel);<br \/>\n    \/\/ \u521d\u59cb\u5316\u5a92\u4f53\u5904\u7406\u6a21\u5757<br \/>\n    Media_Init();<br \/>\n    \/\/ \u521b\u5efa\u5e76\u7ed1\u5b9a\u76d1\u542c\u5957\u63a5\u5b57<br \/>\n    ServerSocket serverSocket(port);<br \/>\n    serverSocket.bind();<br \/>\n    \/\/ \u542f\u52a8\u670d\u52a1\u5668<br \/>\n    serverSocket.listen();<br \/>\n    LOG_INFO(&#034;Server listening on port: &#034; &lt;&lt; port);<br \/>\n}<\/p>\n<p>int main(int argc, char* argv[]) {<br \/>\n    int port &#061; 554; \/\/ RTSP\u9ed8\u8ba4\u7aef\u53e3<br \/>\n    std::string logLevel &#061; &#034;INFO&#034;; \/\/ \u9ed8\u8ba4\u65e5\u5fd7\u7ea7\u522b<br \/>\n    \/\/ \u5047\u5b9a\u547d\u4ee4\u884c\u53c2\u6570\u5904\u7406\u903b\u8f91<br \/>\n    parseCLIArguments(argc, argv, &amp;port, &amp;logLevel);<br \/>\n    \/\/ \u521d\u59cb\u5316\u5e76\u542f\u52a8\u670d\u52a1\u5668<br \/>\n    initializeServer(port, logLevel);<br \/>\n    \/\/ \u4e3b\u5faa\u73af&#xff0c;\u7b49\u5f85\u8fde\u63a5\u548c\u8bf7\u6c42<br \/>\n    while (true) {<br \/>\n        \/\/ \u670d\u52a1\u5668\u4e3b\u5faa\u73af\u903b\u8f91<br \/>\n    }<br \/>\n    return 0;<br \/>\n}<\/p>\n<h4> 4.2.2 \u5ba2\u6237\u7aef\u5904\u7406\u548c\u4f1a\u8bdd\u7ba1\u7406\u6a21\u5757 <\/h4>\n<p> \u5ba2\u6237\u7aef\u5904\u7406\u548c\u4f1a\u8bdd\u7ba1\u7406\u6a21\u5757\u662fRTSP\u670d\u52a1\u5668\u7684\u6838\u5fc3\u6a21\u5757\u4e4b\u4e00\u3002\u5b83\u8d1f\u8d23\u5904\u7406\u5ba2\u6237\u7aef\u7684RTSP\u8bf7\u6c42&#xff0c;\u7ef4\u62a4\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u4f1a\u8bdd\u72b6\u6001&#xff0c;\u5e76\u5728\u591a\u4e2a\u5ba2\u6237\u7aef\u4e4b\u95f4\u6709\u6548\u5730\u7ba1\u7406\u670d\u52a1\u5668\u8d44\u6e90\u3002 <\/p>\n<p> \u5177\u4f53\u5730&#xff0c;\u5ba2\u6237\u7aef\u5904\u7406\u6a21\u5757\u9700\u8981\u80fd\u591f&#xff1a; <\/p>\n<ul>\n<li> \u8bc6\u522b\u5e76\u63a5\u53d7\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u3002 <\/li>\n<li> \u5904\u7406RTSP\u534f\u8bae\u7684SETUP\u3001PLAY\u3001PAUSE\u3001TEARDOWN\u7b49\u6807\u51c6\u8bf7\u6c42\u3002 <\/li>\n<li> \u7ef4\u62a4\u4f1a\u8bdd\u72b6\u6001&#xff0c;\u5e76\u5728\u9700\u8981\u65f6\u66f4\u65b0\u4f1a\u8bdd\u53c2\u6570\u3002 <\/li>\n<li> \u5728\u7279\u5b9a\u60c5\u51b5\u4e0b&#xff0c;\u4f8b\u5982\u8d85\u65f6\u6216\u4f1a\u8bdd\u9519\u8bef&#xff0c;\u5173\u95ed\u4f1a\u8bdd\u3002 <\/li>\n<\/ul>\n<p> \u4f1a\u8bdd\u7ba1\u7406\u6a21\u5757\u901a\u5e38\u9700\u8981\u4e0e\u5a92\u4f53\u5904\u7406\u6a21\u5757\u534f\u540c\u5de5\u4f5c&#xff0c;\u786e\u4fdd\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u5a92\u4f53\u6d41\u6309\u7167\u6b63\u786e\u7684\u683c\u5f0f\u3001\u8d28\u91cf\u3001\u65f6\u5e8f\u7b49\u8fdb\u884c\u4f20\u8f93\u3002 <\/p>\n<p> \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5316\u7684\u793a\u4f8b&#xff0c;\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u4f2a\u4ee3\u7801\u5904\u7406SETUP\u8bf7\u6c42&#xff0c;\u5e76\u5efa\u7acb\u4f1a\u8bdd\u72b6\u6001&#xff1a; <\/p>\n<p>\/\/ \u4f2a\u4ee3\u7801&#xff0c;\u5c55\u793a\u5ba2\u6237\u7aef\u5904\u7406\u548c\u4f1a\u8bdd\u7ba1\u7406\u903b\u8f91<br \/>\n#include &lt;Session.h&gt; \/\/ \u5047\u8bbe\u7684\u4f1a\u8bdd\u7ba1\u7406\u7c7b<\/p>\n<p>Session* handleSetupRequest(ClientInfo clientInfo) {<br \/>\n    \/\/ \u5047\u5b9a\u4ece\u5ba2\u6237\u7aef\u4fe1\u606f\u4e2d\u83b7\u53d6\u8bf7\u6c42\u53c2\u6570<br \/>\n    std::string streamURI &#061; clientInfo.streamURI;<br \/>\n    std::string transport &#061; clientInfo.transport;<br \/>\n    \/\/ \u521b\u5efa\u4f1a\u8bdd\u5b9e\u4f8b&#xff0c;\u51c6\u5907\u4f1a\u8bdd\u72b6\u6001<br \/>\n    Session* newSession &#061; new Session(streamURI, transport);<br \/>\n    \/\/ \u914d\u7f6e\u4f1a\u8bdd&#xff0c;\u4f8b\u5982\u9009\u62e9\u4f20\u8f93\u6a21\u5f0f&#xff0c;\u786e\u5b9a\u5a92\u4f53\u7c7b\u578b\u548c\u683c\u5f0f\u7b49<br \/>\n    newSession-&gt;configureSession();<br \/>\n    \/\/ \u8fd4\u56de\u65b0\u521b\u5efa\u7684\u4f1a\u8bdd\u5b9e\u4f8b<br \/>\n    return newSession;<br \/>\n}<\/p>\n<p>\/\/ \u5728\u5ba2\u6237\u7aef\u8fde\u63a5\u5904\u7406\u51fd\u6570\u4e2d<br \/>\nvoid onClientConnection(ClientInfo clientInfo) {<br \/>\n    \/\/ \u5904\u7406SETUP\u8bf7\u6c42<br \/>\n    if (clientInfo.requestType &#061;&#061; &#034;SETUP&#034;) {<br \/>\n        Session* session &#061; handleSetupRequest(clientInfo);<br \/>\n        \/\/ \u5176\u4ed6\u64cd\u4f5c&#8230;<br \/>\n    }<br \/>\n    \/\/ \u5176\u4ed6\u8bf7\u6c42\u7c7b\u578b\u5904\u7406&#8230;<br \/>\n}<\/p>\n<p> \u4ee5\u4e0a\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u4f1a\u8bdd\u5b9e\u4f8b&#xff0c;\u5e76\u914d\u7f6e\u8fd9\u4e2a\u4f1a\u8bdd\u3002\u5728\u5b9e\u9645\u7684RTSP\u670d\u52a1\u5668\u5b9e\u73b0\u4e2d&#xff0c;\u8fd9\u4e2a\u6d41\u7a0b\u4f1a\u66f4\u52a0\u590d\u6742&#xff0c;\u9700\u8981\u5904\u7406\u591a\u79cd\u5f02\u5e38\u60c5\u51b5&#xff0c;\u5e76\u786e\u4fdd\u4f1a\u8bdd\u7ba1\u7406\u7684\u5b89\u5168\u6027\u3002 <\/p>\n<h2> 5. RTSP\u6d88\u606f\u5904\u7406\u673a\u5236\u4e0eRTP\/RTCP\u6570\u636e\u5305\u5904\u7406 <\/h2>\n<p> \u5728\u5a92\u4f53\u670d\u52a1\u5668\u7684\u6838\u5fc3\u67b6\u6784\u4e2d&#xff0c;RTSP\u534f\u8bae\u8d1f\u8d23\u5a92\u4f53\u6d41\u7684\u63a7\u5236\u548c\u7ba1\u7406&#xff0c;\u800cRTP\/RTCP\u534f\u8bae\u5219\u5904\u7406\u5b9e\u9645\u7684\u5a92\u4f53\u6570\u636e\u4f20\u8f93\u3002\u672c\u7ae0\u8282\u5c06\u6df1\u5165\u63a2\u8ba8RTSP\u6d88\u606f\u5904\u7406\u673a\u5236\u4e0eRTP\/RTCP\u6570\u636e\u5305\u7684\u5904\u7406\u6d41\u7a0b&#xff0c;\u4ee5\u53ca\u5b83\u4eec\u662f\u5982\u4f55\u534f\u540c\u5de5\u4f5c\u7684\u3002 <\/p>\n<h3> 5.1 RTSP\u6d88\u606f\u5904\u7406\u673a\u5236 <\/h3>\n<p> RTSP\u6d88\u606f\u5904\u7406\u673a\u5236\u6d89\u53ca\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8bf7\u6c42\u54cd\u5e94\u8fc7\u7a0b\u3002\u6d88\u606f\u5904\u7406\u7684\u51c6\u786e\u6027\u76f4\u63a5\u5173\u7cfb\u5230\u5a92\u4f53\u6d41\u7684\u63a7\u5236\u80fd\u529b\u3002\u4e86\u89e3\u6b64\u673a\u5236\u662f\u7406\u89e3\u6574\u4e2a\u5a92\u4f53\u670d\u52a1\u5668\u5de5\u4f5c\u65b9\u5f0f\u7684\u5173\u952e\u3002 <\/p>\n<h4> 5.1.1 \u6d88\u606f\u63a5\u6536\u548c\u89e3\u6790\u6d41\u7a0b <\/h4>\n<p> \u5f53RTSP\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\u65f6&#xff0c;\u670d\u52a1\u5668\u9996\u5148\u9700\u8981\u63a5\u6536\u6d88\u606f\u5e76\u8fdb\u884c\u89e3\u6790\u3002\u4ee5\u4e0b\u662f\u6d88\u606f\u63a5\u6536\u548c\u89e3\u6790\u6d41\u7a0b\u7684\u8be6\u7ec6\u6b65\u9aa4&#xff1a; <\/p>\n<li> \u76d1\u542c\u5ba2\u6237\u7aef\u8fde\u63a5&#xff1a;\u670d\u52a1\u5668\u7aef\u76d1\u542c\u7279\u5b9a\u7aef\u53e3&#xff0c;\u7b49\u5f85\u5ba2\u6237\u7aef\u53d1\u8d77\u8fde\u63a5\u3002 <\/li>\n<li> \u63a5\u6536\u8bf7\u6c42\u6570\u636e&#xff1a;\u4e00\u65e6\u5ba2\u6237\u7aef\u8fde\u63a5&#xff0c;\u670d\u52a1\u5668\u5f00\u59cb\u63a5\u6536RTSP\u8bf7\u6c42\u6d88\u606f\u3002 <\/li>\n<li> \u89e3\u6790\u8bf7\u6c42&#xff1a;\u670d\u52a1\u5668\u4f7f\u7528RTSP\u534f\u8bae\u89e3\u6790\u5668\u5bf9\u63a5\u6536\u5230\u7684\u6570\u636e\u8fdb\u884c\u89e3\u6790&#xff0c;\u63d0\u53d6\u51fa\u8bf7\u6c42\u7684\u65b9\u6cd5\u3001URI\u3001\u534f\u8bae\u7248\u672c\u7b49\u5173\u952e\u4fe1\u606f\u3002 <\/li>\n<li> \u9a8c\u8bc1\u8bf7\u6c42&#xff1a;\u670d\u52a1\u5668\u68c0\u67e5\u8bf7\u6c42\u7684\u6709\u6548\u6027&#xff0c;\u4f8b\u5982\u9a8c\u8bc1\u8ba4\u8bc1\u4fe1\u606f\u548c\u8bf7\u6c42\u7684\u5408\u6cd5\u6027\u3002 <\/li>\n<li> \u8def\u7531\u8bf7\u6c42&#xff1a;\u6839\u636e\u89e3\u6790\u51fa\u7684\u65b9\u6cd5\u548cURI&#xff0c;\u5c06\u8bf7\u6c42\u8def\u7531\u5230\u76f8\u5e94\u7684\u5904\u7406\u51fd\u6570\u6216\u6a21\u5757\u3002 <\/li>\n<p> \u4ee3\u7801\u793a\u4f8b&#xff08;\u4f2a\u4ee3\u7801&#xff09;&#xff1a; <\/p>\n<p>def handle_rtsp_request(client_socket):<br \/>\n    data &#061; receive_data(client_socket)  # \u63a5\u6536\u8bf7\u6c42\u6570\u636e<br \/>\n    request &#061; parse_rtsp_request(data)  # \u89e3\u6790\u8bf7\u6c42<br \/>\n    if not validate_request(request):   # \u9a8c\u8bc1\u8bf7\u6c42<br \/>\n        send_error_response(client_socket, &#034;Unauthorized&#034;)<br \/>\n        return<br \/>\n    route_request(request)             # \u8def\u7531\u8bf7\u6c42<\/p>\n<h4> 5.1.2 \u6d88\u606f\u751f\u6210\u548c\u53d1\u9001\u673a\u5236 <\/h4>\n<p> \u670d\u52a1\u5668\u5728\u5904\u7406\u5b8c\u8bf7\u6c42\u540e&#xff0c;\u9700\u8981\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u54cd\u5e94\u6d88\u606f\u3002\u6d88\u606f\u751f\u6210\u548c\u53d1\u9001\u7684\u8fc7\u7a0b\u540c\u6837\u662f\u81f3\u5173\u91cd\u8981\u7684&#xff1a; <\/p>\n<li> \u5904\u7406\u8bf7\u6c42&#xff1a;\u670d\u52a1\u5668\u7aef\u6839\u636e\u8bf7\u6c42\u7c7b\u578b&#xff0c;\u6267\u884c\u76f8\u5e94\u7684\u4e1a\u52a1\u903b\u8f91\u5904\u7406\u3002 <\/li>\n<li> \u6784\u5efa\u54cd\u5e94&#xff1a;\u670d\u52a1\u5668\u6784\u5efaRTSP\u54cd\u5e94\u6d88\u606f&#xff0c;\u5305\u62ec\u72b6\u6001\u7801\u3001\u54cd\u5e94\u5934\u548c\u53ef\u80fd\u7684\u6d88\u606f\u4f53\u3002 <\/li>\n<li> \u53d1\u9001\u54cd\u5e94&#xff1a;\u901a\u8fc7\u5df2\u5efa\u7acb\u7684\u8fde\u63a5\u53d1\u9001\u54cd\u5e94\u7ed9\u5ba2\u6237\u7aef\u3002 <\/li>\n<li> \u5173\u95ed\u8fde\u63a5&#xff1a;\u5728\u9002\u5f53\u7684\u60c5\u51b5\u4e0b&#xff0c;\u4f8b\u5982\u5b8c\u6210\u4e00\u6b21\u5b8c\u6574\u7684\u8bf7\u6c42\u54cd\u5e94\u5468\u671f\u540e&#xff0c;\u670d\u52a1\u5668\u5173\u95ed\u8fde\u63a5\u3002 <\/li>\n<p> \u4ee3\u7801\u793a\u4f8b&#xff08;\u4f2a\u4ee3\u7801&#xff09;&#xff1a; <\/p>\n<p>def send_rtsp_response(client_socket, status_code, headers, body&#061;None):<br \/>\n    response &#061; build_response(status_code, headers, body)<br \/>\n    send_data(client_socket, response)  # \u53d1\u9001\u54cd\u5e94<\/p>\n<h3> 5.2 RTP\/RTCP\u6570\u636e\u5305\u7684\u6253\u5305\u4e0e\u4f20\u8f93 <\/h3>\n<p> RTP\/RTCP\u534f\u8bae\u4e3b\u8981\u7528\u4e8e\u5b9e\u65f6\u4f20\u8f93\u5a92\u4f53\u6570\u636e\u548c\u63d0\u4f9b\u8d28\u91cf\u53cd\u9988\u63a7\u5236\u3002RTP\u8d1f\u8d23\u6570\u636e\u7684\u5c01\u88c5\u3001\u4f20\u8f93&#xff0c;\u800cRTCP\u8d1f\u8d23\u63a7\u5236\u548c\u76d1\u63a7\u3002 <\/p>\n<h4> 5.2.1 \u6570\u636e\u5305\u5c01\u88c5\u548c\u65f6\u95f4\u6233\u7ba1\u7406 <\/h4>\n<p> \u6570\u636e\u5305\u7684\u5c01\u88c5\u662f\u5b9e\u65f6\u4f20\u8f93\u7684\u6838\u5fc3&#xff0c;\u6d89\u53ca\u5230\u97f3\u89c6\u9891\u6570\u636e\u7684\u6253\u5305\u548c\u65f6\u95f4\u6233\u7684\u7ba1\u7406&#xff1a; <\/p>\n<li> \u5a92\u4f53\u6570\u636e\u83b7\u53d6&#xff1a;\u4ece\u5a92\u4f53\u6e90&#xff08;\u5982\u6444\u50cf\u5934\u3001\u9ea6\u514b\u98ce\u6216\u6587\u4ef6&#xff09;\u6355\u83b7\u97f3\u89c6\u9891\u6570\u636e\u3002 <\/li>\n<li> \u6570\u636e\u5206\u5e27&#xff1a;\u5c06\u8fde\u7eed\u7684\u5a92\u4f53\u6570\u636e\u5206\u5e27&#xff0c;\u5e76\u6dfb\u52a0\u9002\u5f53\u7684\u5e27\u5e8f\u5217\u53f7\u3002 <\/li>\n<li> \u65f6\u95f4\u6233\u6807\u8bb0&#xff1a;\u6bcf\u4e2a\u6570\u636e\u5305\u90fd\u6807\u8bb0\u4e0a\u65f6\u95f4\u6233&#xff0c;\u4ee5\u786e\u4fdd\u540c\u6b65\u548c\u987a\u5e8f\u3002 <\/li>\n<li> 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