{"id":1574,"date":"2022-03-18T15:11:55","date_gmt":"2022-03-18T07:11:55","guid":{"rendered":"https:\/\/www.xianwaizhiyin.net\/?p=1574"},"modified":"2024-01-05T00:33:52","modified_gmt":"2024-01-04T16:33:52","slug":"rtsp%e5%8d%8f%e8%ae%ae-udp%e6%8e%a8%e6%b5%81","status":"publish","type":"post","link":"https:\/\/www.xianwaizhiyin.net\/?p=1574","title":{"rendered":"RTSP\u534f\u8bae-UDP\u63a8\u6d41"},"content":{"rendered":"\n<p>\u672c\u6587\u4e3b\u8981\u8bb2\u89e3 \u5ba2\u6237\u7aef \u901a\u8fc7 RTSP \u534f\u8bae\u63a8\u6d41\u5230 \u670d\u52a1\u5668\u7684 \u6574\u4e2a\u4ea4\u4e92\u8fc7\u7a0b\uff0c\u4ee5\u53ca\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u7684\u4e00\u4e9b\u4ea4\u4e92\uff0c\u539f\u7406\u3002<\/p>\n\n\n\n<p>\u670d\u52a1\u5668\u91c7\u7528 <code class=\"prettyprint\" >ZLMediaKits<\/code> \uff0c\u670d\u52a1\u5668\u7684\u642d\u5efa\u8bf7\u770b <a href=\"https:\/\/github.com\/ZLMediaKit\/ZLMediaKit\/wiki\/%E5%BF%AB%E9%80%9F%E5%BC%80%E5%A7%8B\">ZL\u7684\u5b98\u65b9\u6587\u6863<\/a>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u63a8\u6d41\u5ba2\u6237\u7aef\u662f <code class=\"prettyprint\" >ffmpeg<\/code>\uff0c\u63a8\u6d41\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >ffmpeg.exe -re -i juren.mp4 -vcodec h264 -acodec aac -f rtsp -rtsp_transport udp rtsp:\/\/192.168.0.123\/live\/test<\/code><\/pre>\n\n\n\n<p>\u4e0a\u9762\u6211\u7528\u4e86 \u4e00\u4e2a\u547d\u4ee4\uff0c\u6307\u5b9a\u7f16\u7801\u683c\u5f0f\uff0c\u7136\u540e\u901a\u8fc7 rtsp \u534f\u8bae\u628a\u4e00\u4e2a\u52a8\u753b\u7247\u63a8\u5230\u4e86 ZLMediaKit \u7684 RSTP \u670d\u52a1\u5668\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u5c31\u7528 <code class=\"prettyprint\" >wireshark<\/code> \u6765\u6293\u5305\u770b\u4e0b\u6574\u4e2a\u901a\u4fe1\u8fc7\u7a0b\uff0c\u8fc7\u6ee4\u89c4\u5219\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >host 192.168.0.123<\/code><\/pre>\n\n\n\n<p>\u4e3a\u4e86\u65b9\u4fbf\u8bfb\u8005\u5bf9\u7167\uff0c\u8fd9\u91cc\u63d0\u4f9b\u4e00\u4e0b <code class=\"prettyprint\" >pcapng<\/code> \u5305\u6587\u4ef6\uff0c\u53ef\u4ee5\u4e0b\u8f7d \u7528 <code>wireshark<\/code> \u6253\u5f00\uff0c\u5c31\u8ddf\u672c\u6587\u7684\u4e00\u81f4\u4e86\u3002\u4e0b\u8f7d\u5730\u5740\uff1a<a href=\"https:\/\/pan.baidu.com\/s\/1JNOl3JPsHA--3KkTfWyHqA\">\u767e\u5ea6\u7f51\u76d8<\/a>\uff0c\u63d0\u53d6\u7801\uff1avg4y<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"595\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-1-1024x595.png\" alt=\"\" class=\"wp-image-1581\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-1-1024x595.png 1024w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-1-300x174.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-1-768x446.png 768w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-1.png 1092w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u4e0a\u56fe\u4e2d\uff0c192.168.0.114 \u662f\u63a8\u6d41\u5ba2\u6237\u7aef\uff0c192.168.0.123 \u662f\u670d\u52a1\u5668\u7aef\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u4e0b\u9762\u5c31\u5f00\u59cb\u4e00\u6b65\u4e00\u6b65 \u5206\u6790\u6574\u4e2a\u4ea4\u4e92\u6d41\u7a0b\uff0c\u5728 NO.4 \u6570\u636e\u5305\uff0c\u5ba2\u6237\u7aef\u53d1\u4e86\u4e00\u4e2a <code class=\"prettyprint\" >OPTIONS<\/code> \u7684 <code>rtsp<\/code> \u5305\uff0c\u8fd9\u4e2a\u5176\u5b9e\u5c31\u8ddf http \u534f\u8bae\u7684 option \u5dee\u4e0d\u591a\uff0c\u90fd\u662f\u67e5\u8be2\u670d\u52a1\u5668\u6709\u54ea\u4e9b\u65b9\u6cd5\uff0c\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u5176\u5b9e\uff0cRTSP \u8ddf HTTP \u6709\u4e0d\u5c11\u5730\u65b9\u662f\u76f8\u4f3c\u7684\uff0c\u4ed6\u4eec\u90fd\u662f<strong>\u6587\u672c\u534f\u8bae<\/strong>\uff0c\u7528 <code class=\"prettyprint\" >wireshark<\/code> \u53ef\u4ee5\u770b\u5230\uff0c\u5b83\u7684\u6bcf\u4e00\u4e2a\u5b57\u6bb5 \u7684key\uff0cvalue \u90fd\u662f ASII \u7801\uff0c\u5355\u5b57\u8282\u6570\u636e\uff0c\u6240\u4ee5\u4e5f\u5c31\u4e0d\u4f1a\u6709\u5927\u5c0f\u7aef\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u8fd9\u91cc\u6211\u7a0d\u5fae\u63d0\u53ca\u4e00\u4e0b <strong>\u6587\u672c\u534f\u8bae<\/strong> \u8ddf <strong>\u4e8c\u8fdb\u5236\u534f\u8bae<\/strong> \u7684\u533a\u522b\u3002<\/p>\n\n\n\n<p>\u6587\u672c\u534f\u8bae\u5c31\u662f\u7528 ASII \u7801\u6765\u8868\u8fbe\u4e00\u4e9b\u903b\u8f91\uff0c\u6216\u8005\u6570\u636e\u7ed3\u6784\uff0c\u6587\u672c\u534f\u8bae\u901a\u5e38\u9700\u8981\u7ecf\u8fc7 parse \u7684\u8fc7\u7a0b\uff0c\u4ec0\u4e48\u662f parse\uff1f<code class=\"prettyprint\" >json<\/code> \u5c31\u662f\u4e00\u79cd\u6587\u672c\u8868\u8fbe\u65b9\u5f0f\uff0c\u628a <code>json<\/code> \u8f6c\u6210 C \u8bed\u8a00\u7684\u7ed3\u6784\u4f53\uff0c\u8fd9\u5c31\u662f parse\u3002\u7279\u522b\u662f\u590d\u6742\u7684\u6570\u636e\uff0cparse \u7684\u8fc7\u7a0b\u4f1a\u6709\u70b9\u6162\u3002<\/p>\n\n\n\n<p>\u4e8c\u8fdb\u5236\u534f\u8bae \u5c31\u662f \u76f4\u63a5\u4f20\u8f93 \u539f\u59cb\u7684\u6570\u636e\uff0c\u4e5f\u5c31\u662f\u6bd4\u7279\u6d41\uff0c\u4f8b\u5982 C \u8bed\u8a00\u53d8\u91cf <code class=\"prettyprint\" >int a = 0x11223344<\/code>\uff0c \u901a\u8fc7 udp \u4f20\u8f93 \u8fd9\u4e2a <code>int<\/code> \u53d8\u91cf\uff0c4\u4e2a\u5b57\u8282\uff0c\u76f4\u63a5 send 4\u4e2a\u5b57\u8282\u7684\u6570\u636e\u5c31\u884c\uff0c\u5bf9\u9762\u63a5\u53d7 4\u4e2a\u5b57\u8282\uff0c\u76f4\u63a5\u628a 4\u4e2a\u5b57\u8282\u5f3a\u5236\u8f6c\u6210 <code>int<\/code> \u7c7b\u578b\u5c31\u80fd\u76f4\u63a5\u7528\u3002\u8fd9\u91cc\u4e0d\u9700\u8981\u7ecf\u8fc7 parse\uff0c\u56e0\u4e3a\u5185\u5b58\u6570\u636e\u53ef\u4ee5\u76f4\u63a5\u7528\uff0c\u7f51\u7edc\u4f20\u8f93\u4f20\u7684\u5c31\u662f\u5185\u5b58\u6570\u636e\u3002\u4e0d\u8fc7\u8fd9\u662f\u591a\u5b57\u8282\u4f20\u8f93\uff0c\u901a\u5e38\u9700\u8981\u5904\u7406\u5927\u5c0f\u7aef\u95ee\u9898\uff0c\u4e0d\u8fc7\u5927\u7aef\u673a\u5668\u5df2\u7ecf\u5f88\u5c11\uff0c\u6709\u4e00\u4e9b\u670d\u52a1\u5668\u4e0d\u641e\u5927\u7aef\uff0c\u4f8b\u5982SRS\u3002<\/p>\n\n\n\n<p>\u56de\u5230 \u672c\u6587\u7684\u4e3b\u9898\uff0c\u5ba2\u6237\u7aef\u53d1\u5b8c <code class=\"prettyprint\" >OPTIONS<\/code> \u4e4b\u540e\uff0c\u670d\u52a1\u5668\u5c31\u4f1a\u56de\u5e94\u4e00\u4e2a <code>Reply<\/code>\uff0c\u544a\u8bc9\u5ba2\u6237\u7aef\u80fd\u7528\u54ea\u4e9b method \uff08\u65b9\u6cd5\uff09\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"872\" height=\"458\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-2.png\" alt=\"\" class=\"wp-image-1582\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-2.png 872w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-2-300x158.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-2-768x403.png 768w\" sizes=\"auto, (max-width: 872px) 100vw, 872px\" \/><\/figure>\n\n\n\n<p>\u4e0a\u9762\u6bd4\u8f83\u5e38\u7528\u7684\u65b9\u6cd5 \u662f SETUP\uff0cPLAY\uff0cPAUSE\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u63a5\u7740\uff0c\u5ba2\u6237\u7aef\u5c31\u4f1a\u53d1\u4e00\u4e2a <code class=\"prettyprint\" >ANNOUNCE<\/code> \u7684\u5305\uff0c\u8fd9\u4e2a\u5305 \u91cc\u9762\u5d4c\u5957\u4e86\u4e00\u4e2a SDP \uff08Session Description Protocol\uff09\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"398\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-3-1024x398.png\" alt=\"\" class=\"wp-image-1583\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-3-1024x398.png 1024w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-3-300x117.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-3-768x298.png 768w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-3.png 1063w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><code class=\"prettyprint\" >ANNOUNCE<\/code> \u987e\u540d\u601d\u4e49\uff0c\u5c31\u662f\u5411\u670d\u52a1\u5668<strong>\u5ba3\u544a<\/strong>\u81ea\u5df1\u7684\u4e00\u4e9b\u4fe1\u606f\uff0c\u4e3b\u8981\u6709\u4ee5\u4e0b\u4fe1\u606f\uff1a<\/p>\n\n\n\n<p>\u544a\u8bc9\u670d\u52a1\u5668\uff0c\u81ea\u5df1\u8981\u63a8\u9001\u591a\u5c11\u4e2a\u6d41\uff0c\u6d41\u7684\u7f16\u7801\u683c\u5f0f\u3002\u4ece\u4e0a\u56fe\u53ef\u4ee5\u770b\u51fa\uff0c\u4e00\u4e2a\u6709 \u4e24\u4e2a\u6d41\uff0c\u89c6\u9891 \u8ddf\u97f3\u9891\uff0c\u89c6\u9891\u6d41\u7684 type \u662f 96\uff0c\u97f3\u9891\u6d41\u7684 type \u662f 97\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u670d\u52a1\u5668\u6536\u5230 \u5ba2\u6237\u7aef\u7684 <code class=\"prettyprint\" >ANNOUNCE<\/code> \u7684\u5305\u4e4b\u540e\uff0c\u5c31\u4f1a\u56de\u590d\u4e00\u4e2a reply\uff0c\u91cc\u9762\u6709\u4e2a session\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"180\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-4-1024x180.png\" alt=\"\" class=\"wp-image-1579\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-4-1024x180.png 1024w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-4-300x53.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-4-768x135.png 768w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-4.png 1048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u7136\u540e\uff0c\u5ba2\u6237\u7aef\u5f00\u59cb\u53d1 <code class=\"prettyprint\" >SETUP<\/code>\uff0c<code>SETUP<\/code> \u53ef\u4ee5\u7406\u89e3\u4e3a\u914d\u7f6e\u8fc7\u7a0b\uff0c\u56e0\u4e3a RSTP udp \u63a8\u6d41\uff0c\u6bcf\u4e00\u4e2a\u6d41\uff0c\u90fd\u9700\u8981\u4f7f\u7528\u4e24\u4e2a\u7aef\u53e3\uff0c\u4e00\u4e2a\u7aef\u53e3\u7528\u6765\u4f20\u8f93 RTP \u97f3\u89c6\u9891\u5e27\uff0c\u53e6\u4e00\u4e2a\u7aef\u53e3\u7528\u6765\u4f20\u8f93 RTCP report \u62a5\u544a\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"200\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-5.png\" alt=\"\" class=\"wp-image-1580\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-5.png 1020w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-5-300x59.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-5-768x151.png 768w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><\/figure>\n\n\n\n<p>\u4e0a\u56fe\u7684 <code class=\"prettyprint\" >SETUP<\/code> \u5305\uff0c\u544a\u8bc9\u670d\u52a1\u5668\uff0c\u6211\u5ba2\u6237\u7aef\u6709\u4e24\u4e2a UDP \u7aef\u53e3\u53ef\u4ee5\u7528\uff0c6860 \u7aef\u53e3\u7528\u6765\u4f20\u8f93 RTP \u6570\u636e\uff0c6861 \u7528\u6765\u4f20\u8f93 RTCP \u6570\u636e\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>google_ads_content<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u7136\u540e \u670d\u52a1\u5668\u4f1a \u56de\u590d\u4e00\u4e2a <code class=\"prettyprint\" >reply<\/code> \uff0c\u91cc\u9762\u6709\u670d\u52a1\u5668\u7684\u7aef\u53e3\u4fe1\u606f\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1003\" height=\"206\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-6.png\" alt=\"\" class=\"wp-image-1585\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-6.png 1003w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-6-300x62.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-6-768x158.png 768w\" sizes=\"auto, (max-width: 1003px) 100vw, 1003px\" \/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a reply \u662f\u5bf9\u4e0a\u4e00\u4e2a setup \u7684\u56de\u5e94\uff0c\u53ef\u4ee5\u770b\u5230 \u670d\u52a1\u5668\u8bf4\uff0c\u6211\u53ef\u4ee5\u7528 30012\u7aef\u53e3 \u4f20\u8f93 RTP\uff0c\u7528 30013 \u7aef\u53e3\u4f20\u8f93 RTCP\uff0c\u81f3\u6b64\uff0c\u4e00\u4e2a\u6d41\u7684\u7aef\u53e3\u914d\u5bf9\u5c31\u5b8c\u6210\u4e86\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Client:6860 -&gt; Server:30012 \uff08RTP\u6570\u636e\uff0c\u97f3\u89c6\u9891\u5e27\uff09<\/li>\n\n\n\n<li>Client:6861 -&gt; Server:30013 \uff08RTCP\u6570\u636e\uff0creport\u62a5\u544a\uff09<\/li>\n<\/ol>\n\n\n\n<p>\u7b2c\u4e00\u4e2a <code class=\"prettyprint\" >setup<\/code> \uff0c<code>reply<\/code> \u662f\u89c6\u9891\u6d41\u7684\u7aef\u53e3\u914d\u7f6e\uff0c\u7b2c\u4e8c\u4e2a\u662f\u97f3\u9891\u6d41\u7684\uff0c\u539f\u7406\u4e00\u6837\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u7aef\u53e3\u914d\u5bf9\u5b8c\u6210\u4e4b\u540e\uff0c\u5ba2\u6237\u7aef\u5c31\u4f1a\u53d1 <code class=\"prettyprint\" >RECORD<\/code> \u5305\uff0c\u5982\u4e0b\uff0c\u6ce8\u610f <code>npt<\/code> \u65f6\u95f4\u8ddf <code>session<\/code> \u5b57\u6bb5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1011\" height=\"237\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-7.png\" alt=\"\" class=\"wp-image-1586\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-7.png 1011w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-7-300x70.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-7-768x180.png 768w\" sizes=\"auto, (max-width: 1011px) 100vw, 1011px\" \/><\/figure>\n\n\n\n<p>\u7136\u540e \u670d\u52a1\u5668\u5728 \u56de\u590d \u4e00\u4e2a <code class=\"prettyprint\" >reply<\/code> \uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1008\" height=\"229\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-8.png\" alt=\"\" class=\"wp-image-1584\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-8.png 1008w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-8-300x68.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-8-768x174.png 768w\" sizes=\"auto, (max-width: 1008px) 100vw, 1008px\" \/><\/figure>\n\n\n\n<p>RTSP \u534f\u8bae\uff0c\u6bcf\u4e00\u4e2a <code class=\"prettyprint\" >request<\/code> \u90fd\u4f1a\u6709\u4e00\u4e2a <code>reply<\/code>\uff0c\u4ed6\u4eec\u7684 <code>Cseq<\/code> \u5b57\u6bb5\u662f\u4e00\u6837\u7684\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u5230\u8fd9\u91cc\uff0cRTSP \u7684\u4ea4\u4e92\u5c31\u5b8c\u6210\u4e86\uff0c\u5c31\u5f00\u59cb\u540e\u9762\u5927\u90e8\u5206\u6570\u636e\u90fd\u662f\u901a\u8fc7 RTP\uff0cRTCP \u4f20\u8f93\uff0c\u53ea\u6709\u6682\u505c\uff0c\u505c\u6b62\u7b49\u64cd\u4f5c\u4f1a\u518d\u6b21\u4f7f\u7528 RTSP\uff0c\u8981\u4e0d\u90fd\u5f88\u5c11\u89c1\u5230 RTSP \u5305\u4e86\u3002<\/p>\n\n\n\n<p>\u8fd9\u65f6\u5019\uff0c\u5ba2\u6237\u7aef\u4f1a\u5f00\u59cb\u53d1\u4e00\u4e2a RTCP \u5305\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"939\" height=\"634\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-10.png\" alt=\"\" class=\"wp-image-1587\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-10.png 939w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-10-300x203.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-10-768x519.png 768w\" sizes=\"auto, (max-width: 939px) 100vw, 939px\" \/><\/figure>\n\n\n\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u4f7f\u7528\u7684\u7aef\u53e3\u6b63\u662f \u4e4b\u524d setup \u9636\u6bb5\u534f\u5546\u597d\u7684 6861 \u8ddf 30013 \u7aef\u53e3\u3002\u8fd9\u91cc\u6ce8\u610f\u4e00\u4e0b \u8fd9\u4e2a Sender SSRC \u5b57\u6bb5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u63a5\u7740\uff0c\u5ba2\u6237\u7aef\u4f1a\u518d\u5411\u670d\u52a1\u5668\u53d1\u4e00\u4e2a RTP \u5305\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"493\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-11-1024x493.png\" alt=\"\" class=\"wp-image-1588\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-11-1024x493.png 1024w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-11-300x144.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-11-768x369.png 768w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-11.png 1027w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u6ce8\u610f\uff0c\u7b2c\u4e00\u4e2a RTP \u5305\u662f\u6709\u4e00\u4e9b\u7f16\u7801\u4fe1\u606f\u7684\uff0c\u4f8b\u5982\u4e0a\u56fe\u4e2d\u53ef\u4ee5\u770b\u5230 x264 \u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n<p>\u6570\u636e\u901a\u4fe1\u5230\u8fd9\u91cc\uff0c\u4e24\u4e2a\u65b0\u7684\u901a\u4fe1\u7aef\u53e3\uff0c\u90fd\u662f\u5ba2\u6237\u7aef\u5148\u5411\u670d\u52a1\u5668\u53d1\u9001 UDP \u5305\u3002\u800c\u4e0d\u662f\u670d\u52a1\u5668\u5411\u5ba2\u6237\u7aef\u5148\u53d1 UDP\u5305\u3002\u6240\u4ee5\u670d\u52a1\u5668 RTSP \u914d\u7f6e\u6d41\u7a0b\u8d70\u5b8c\u4e4b\u540e\u9700\u8981 listen \u76d1\u542c 4 \u4e2a\u65b0\u7684\u7aef\u53e3\uff0c\u6bcf\u4e2a\u6d41\u5360\u7528\u4e24\u4e2a\u7aef\u53e3\uff0c\u6240\u4ee5\u8fd9\u6837\u5f88\u6d6a\u8d39\u7aef\u53e3\uff0c\u4e00\u822c\u662f\u5c40\u57df\u7f51\u7684\u6444\u50cf\u5934\u8fd9\u6837\u505a\uff0c\u6444\u50cf\u5934\u5c31\u662f\u4e00\u4e2a RTSP \u670d\u52a1\u5668\uff0cAPP \u4ece \u6444\u50cf\u5934\u62c9\u6d41\u3002\u5982\u679c\u7528 \u4e91\u670d\u52a1\u5668\u642d\u5efa RTSP\uff0c\u9632\u706b\u5899\u914d\u7f6e\u4f1a\u5f88\u9ebb\u70e6\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u53e6\u5916\u7684\u97f3\u9891\u6d41\u4e5f\u662f\u7c7b\u4f3c\u7684\u903b\u8f91\uff0c\u901a\u8fc7 RTCP \u8ddf RTP\u6765\u4f20\u8f93\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"493\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-11-1024x493.png\" alt=\"\" class=\"wp-image-1588\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-11-1024x493.png 1024w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-11-300x144.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-11-768x369.png 768w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-11.png 1027w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>96 \u7c7b\u578b\u662f \u89c6\u9891\u5e27\u6570\u636e\uff0c97\u7c7b\u578b\u662f\u97f3\u9891\u5e27\u6570\u636e\uff0c\u53ef\u4ee5\u770b\u5230\u89c6\u9891\u6570\u636e\u6bd4\u97f3\u9891\u6570\u636e\u591a\u5f88\u591a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u6700\u540e\uff0c\u603b\u7ed3\u4e00\u4e0b\u8fd9\u79cd \u591a\u7aef\u53e3 \u4f20\u8f93\u6570\u636e\u7684\u4f18\u52bf\uff1a<\/p>\n\n\n\n<p>\u53ef\u4ee5\u6709\u6548\u9694\u79bb\u4e0d\u540c\u7c7b\u578b\u7684\u6d41\u6570\u636e\uff0c\u5982\u679c \u5e95\u5c42\u534f\u8bae\u5b9e\u73b0\u4e86\u987a\u5e8f\u4f20\u8f93\uff0cTCP \u5c31\u662f\u987a\u5e8f\u4f20\u8f93\uff0cTCP \u534f\u8bae\u6808\u4e22\u7ed9\u4e0a\u5c42\u5e94\u7528\u7684\u6570\u636e\u80af\u5b9a\u662f\u987a\u5e8f\u5230\u8fbe\u7684\u3002\u8fd9\u6837\u4f1a\u5bfc\u81f4\u4e00\u4e2a\u963b\u585e\u95ee\u9898\uff0c\u4f8b\u5982 \u89c6\u9891\u5e27100kb\uff0c\u97f3\u9891\u5e27 1kb\uff0c\u97f3\u9891\u5e27\u5728\u89c6\u9891\u5e27\u540e\u9762\uff0c\u4e5f\u5c31\u662fTCP \u534f\u8bae\u6808\u5185\u90e8\u53ea\u6709\u4e00\u4e2a\u961f\u5217\uff0c\u97f3\u9891\u5e27\u89c6\u9891\u5e27\u90fd\u5728\u540c\u4e00\u4e2a\u961f\u5217\u91cc\u9762\uff0c\u6211\u4eec\u77e5\u9053 TCP \u5e95\u5c42\u662f IP \u5c42\uff0cIP \u5c42\u4f1a\u4e22\u5305\uff0c\u6240\u4ee5\u6709\u53ef\u80fd\u4f1a\u91cd\u4f20\uff0c\u7136\u540e\u6709\u53ef\u80fd\u5bfc\u81f4\u540e\u9762\u7684\u97f3\u9891\u4e0d\u80fd\u53d1\u9001\u5230\u7f51\u7edc\u4e0a\u3002\u8fd9\u91cc\u63d0\u4e00\u70b9\uff0cTCP\u534f\u8bae\u6808\u7684\u5b9e\u73b0\u6bcf\u4e2a\u7248\u672c\u90fd\u6709\u70b9\u5dee\u5f02\uff0c\u5b9e\u9645\u4e0a\u6709\u53ef\u80fd\u5373\u4f7f\u91cd\u4f20\u963b\u585e\uff0c\u540e\u9762\u7684\u97f3\u9891\u5e27\u4e5f\u80fd\u53d1\u5230\u7f51\u7edc\u4e0a\uff0c\u53ea\u662f\u4f1a\u5728\u5bf9\u9762\u7684\u534f\u8bae\u6808\u5185\u90e8\u7f13\u5b58\uff0c\u4e0d\u4e22\u7ed9\u4e0a\u5c42\u5e94\u7528\uff0c\u56e0\u4e3a\u8981\u6309\u987a\u5e8f\u5230\u8fbe\u3002\u7b49\u524d\u9762\u4e22\u5931\u7684IP\u5305\u6765\u4e86\uff0c\u624d\u80fd\u6309\u987a\u5e8f\u4f20\u9012\u3002\u6240\u4ee5\u540e\u9762\u7684\u97f3\u9891\u5e27\u6709\u53ef\u80fd\u4f1a\u53d1\u5230\u7f51\u7edc\u4e0a\uff0c\u4e5f\u6709\u53ef\u80fd\u4e0d\u4f1a\u53d1\u5230\u7f51\u7edc\u4e0a\uff0c\u5177\u4f53\u770b tcp \u7684\u7a97\u53e3\u5927\u5c0f\u3002\u56e0\u4e3a\u7f51\u7edc\u901a\u9053\u662f\u5f88\u5927\u7684\uff0ctcp \u4e0d\u662f\u53d1\u4e00\u4e2a\u5305\uff0c\u786e\u8ba4\u4e00\u4e2a ack\u518d\u53d1\u4e00\u4e2a\u5305\uff0c\u4ed6\u53ef\u4ee5\u4e00\u6b21\u53d1\u591a\u4e2a\u3002\u4f46\u662f\uff0c\u5373\u4f7f\u5728\u7a97\u53e3\u5141\u8bb8\u5185\uff0c\u80fd\u53d1\u591a\u4e2a\u5305\uff0c\u4f46\u662f\u7531\u4e8e\u5bf9\u9762TCP \u662f\u8981\u6309\u987a\u5e8f\u4f20\u9012\u6570\u636e\u7ed9\u4e0a\u5c42\u7684\uff0c\u5373\u4f7f\u97f3\u9891\u5305\u5230\u4e86\u5bf9\u9762\uff0c\u56e0\u4e3a\u524d\u9762\u7f3a\u5c11\u4e00\u4e2a \u89c6\u9891\u7684IP \u5305\uff0c\u4e5f\u4e0d\u80fd\u4e22\u4e0a\u53bb\u89e3\u7801\uff0c\u8fd9\u6837\u5c31\u4f1a\u52a0\u5927\u5ef6\u8fdf\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u5982\u679c\u5206\u5f00\u7aef\u53e3\u4e4b\u540e\uff0c\u97f3\u9891\u8ddf\u89c6\u9891\u6d41\u5c31\u4e0d\u4f1a\u76f8\u4e92\u5e72\u6270\u3002\u540c\u65f6 SCTP \u7b49\u4fe1\u606f\u4e5f\u4e0d\u4f1a\u88ab\u89c6\u9891\u963b\u585e\u3002<\/p>\n\n\n\n<p>\u867d\u7136 \u672c\u6587\u4f7f\u7528\u7684 \u662f UDP\uff0c\u4f46\u662f\u4e0a\u9762\u5957\u4e86\u4e00\u5c42 RTP\uff0cRTP \u6709\u5e8f\u5217\u53f7\uff0c\u6240\u4ee5\u53ef\u4ee5\u5b9e\u73b0\u6709\u5e8f\u5230\u8fbe\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6d4b\u8bd5\u4e00\u4e0b TCP\uff0cUDP \u7684\u5dee\u5f02\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >ffmpeg.exe -re -i juren.mp4 -c copy -f rtsp -rtsp_transport tcp rtsp:\/\/192.168.0.123\/live\/test<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >ffmpeg.exe -re -i juren.mp4 -c copy -f rtsp -rtsp_transport udp rtsp:\/\/192.168.0.123\/live\/test<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >ffplay -fflags nobuffer -x 800 -f rtsp -i  rtsp:\/\/192.168.0.123\/live\/test<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">\u56e0\u4e3a\u4e0a\u9762\u6211 ffplay \u5f00\u542f\u4e86 nobuffer\uff0c\u6240\u4ee5\u4f1a\u5bfc\u81f4 \u4e22\u5e27\uff0c\u4e3b\u8981\u6d4b\u8bd5\u4e0b tcp \u4e0b\u4e22\u5e27\u591a\uff0c\u8fd8\u662f udp \u4e0b\u4e22\u5e27\u591a\u3002<\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"797\" height=\"122\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-12.png\" alt=\"\" class=\"wp-image-1625\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-12.png 797w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-12-300x46.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-12-768x118.png 768w\" sizes=\"auto, (max-width: 797px) 100vw, 797px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"577\" height=\"122\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-13.png\" alt=\"\" class=\"wp-image-1624\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-13.png 577w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/net-15-13-300x63.png 300w\" sizes=\"auto, (max-width: 577px) 100vw, 577px\" \/><\/figure>\n\n\n\n<p>\u4e0a\u9762\u53ea\u662f\u7b80\u5355\u6d4b\u8bd5\uff0c\u4f46\u662f\u53ef\u4ee5\u770b\u51fa udp \u7684\u65b9\u5f0f\u6bd4\u8f83\u7565\u80dc\u4e00\u7b79\uff0cffplay \u5f00\u542f nobuffer \u5c31\u662f\u6709\u5e27\u6765\u5c31\u64ad\u653e\uff0c\u8d85\u4f4e\u5ef6\u8fdf\uff0c\u6ee1\u8db3\u4e0d\u4e86\u5ef6\u8fdf\u5c31\u4f1a\u4e22\u5e27\u6765\u6ee1\u8db3\uff0c\u56e0\u6b64 udp \u7684\u6d41\u7545\u6027\u66f4\u9ad8\u4e00\u4e9b\uff0c\u56e0\u4e3a\u4ed6\u4e22\u5e27\u5c11\u3002<\/p>\n\n\n\n<p>\u76f8\u5173\u9605\u8bfb\uff1a<\/p>\n\n\n\n<p>1\uff0c<a href=\"https:\/\/www.rfc-editor.org\/pdfrfc\/rfc2326.txt.pdf\">\u300aRTSP 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