{"id":1444,"date":"2022-03-13T18:51:28","date_gmt":"2022-03-13T10:51:28","guid":{"rendered":"https:\/\/www.xianwaizhiyin.net\/?p=1444"},"modified":"2023-11-21T19:51:01","modified_gmt":"2023-11-21T11:51:01","slug":"srs4-0%e6%ba%90%e7%a0%81%e5%88%86%e6%9e%90-srsrtmpconnstream_service_cycle","status":"publish","type":"post","link":"https:\/\/www.xianwaizhiyin.net\/?p=1444","title":{"rendered":"SRS4.0\u6e90\u7801\u5206\u6790-SrsRtmpConn::stream_service_cycle"},"content":{"rendered":"\n<p><strong>\u300a<a href=\"https:\/\/srs.xianwaizhiyin.net\">SRS\u539f\u7406<\/a>\u300b\u4e0a\u67b6\u4e86\uff0c\u6df1\u5ea6\u5256\u6790 SRS \u6e90\u4ee3\u7801\uff0c\u8bbf\u95ee\u5730\u5740\uff1asrs.xianwaizhiyin.net<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u672c\u6587\u91c7\u7528\u7684 SRS \u7248\u672c\u662f 4.0-b8 \uff0c \u4e0b\u8f7d\u5730\u5740\uff1a<a href=\"https:\/\/github.com\/ossrs\/srs\/releases\/tag\/v4.0-b8\">github<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u672c\u6587\u8bb2\u89e3 <code class=\"prettyprint\" >SrsRtmpConn::stream_service_cycle()<\/code> \u51fd\u6570\u7684\u5b9e\u73b0\u539f\u7406\u3002\u6d41\u7a0b\u56fe\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"509\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/srs-9-1-1024x509.png\" alt=\"\" class=\"wp-image-1448\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/srs-9-1-1024x509.png 1024w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/srs-9-1-300x149.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/srs-9-1-768x382.png 768w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/srs-9-1.png 1202w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u4e0a\u9762\u7684\u6d41\u7a0b\u56fe\u4e2d\u6709\u51e0\u4e2a\u91cd\u70b9\uff1a<\/p>\n\n\n\n<p><strong>\u91cd\u70b91<\/strong>\uff0c\u8fd9\u91cc\u63d2\u4e2a\u9898 \u5728\u8c03 <code class=\"prettyprint\" >stream_service_cycle()<\/code> \u4e4b\u524d\uff0c\u8c03\u4e86 <code>trd-&gt;pull()<\/code>\uff0c <code>trd-&gt;pull()<\/code> \u5728\u5f88\u591a\u5730\u65b9\u90fd\u51fa\u73b0\uff0c\u5e94\u8be5\u662f\u4e2a\u91cd\u70b9\u51fd\u6570\uff0c\u5177\u4f53\u53e6\u8d77\u4e00\u7bc7\u6587\u7ae0\u5206\u6790\u3002\u672c\u6587\u6682\u65f6\u8df3\u8fc7\u3002<\/p>\n\n\n\n<p>stream_service_cycle() \u5f00\u5934\u6709\u4e00\u4e9b RTMP edge \u96c6\u7fa4 \u7684\u903b\u8f91\uff0c\u8fd9\u5757\u5148\u8df3\u8fc7\u4e0d\u7ba1\uff0c\u672c\u6587\u73af\u5883\u6ca1\u914d\u7f6e\u96c6\u7fa4\uff0c\u4e0d\u4f1a\u8dd1\u8fdb\u53bb\u90a3\u5757\u903b\u8f91\u3002<\/p>\n\n\n\n<p><strong>\u91cd\u70b92<\/strong>\uff0c\u56e0\u4e3a <code class=\"prettyprint\" >info-&gt;type<\/code> \u662f <code>SrsRtmpConnFMLEPublish<\/code>\uff0c\u6240\u4ee5\u6267\u884c\u7684\u662f<code>rtmp-&gt;start_fmle_publish()<\/code> \uff0c\u8fd9\u4e2a\u51fd\u6570\u662f\u505a\u63a8\u6d41\u4ea4\u4e92\u5904\u7406\u7684\uff0c<code>fmle<\/code> \u662f\u4ec0\u4e48\u7f29\u5199\u6211\u4e5f\u4e0d\u592a\u6e05\u695a\uff0c\u57cb\u4e2a\u5751\uff0c\u540e\u9762\u586b\u3002\u4e0b\u56fe wireshark \u5708\u51fa\u6765\u7684\u4ea4\u4e92\u90e8\u5206\u5c31\u662f\u8fd9\u4e2a\u51fd\u6570\u505a\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"997\" height=\"594\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/srs-9-2.png\" alt=\"\" class=\"wp-image-1446\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/srs-9-2.png 997w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/srs-9-2-300x179.png 300w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/srs-9-2-768x458.png 768w\" sizes=\"auto, (max-width: 997px) 100vw, 997px\" \/><\/figure>\n\n\n\n<p><code class=\"prettyprint\" >start_fmle_publish()<\/code> \u51fd\u6570\u91cc\u9762\u4f7f\u7528\u4e86 <code>expect_message()<\/code> \uff0c<code>expect_message()<\/code> \u51fd\u6570\u4f1a\u963b\u585e\u7b49\u5f85\u5ba2\u6237\u7aef\u7684RTMP\u5305\u6765\uff0c\u7136\u540e\u6309\u987a\u5e8f\u5904\u7406\uff0c\u5b8c\u6210\u6574\u4e2a\u63a8\u6d41\u7684\u524d\u671f\u4ea4\u4e92\u903b\u8f91\uff0c\u4f8b\u5982\u6d41\u540d\u79f0\u662f\u5565\uff0c\u5ba2\u6237\u7aef\u603b\u5f97\u5148\u544a\u8bc9\u670d\u52a1\u5668\u518d\u63a8\u6d41\u3002<\/p>\n\n\n\n<p><strong>\u91cd\u70b93<\/strong>\uff1a<code class=\"prettyprint\" >_srs_sources-&gt;fetch_or_create()<\/code> \u521b\u5efa\u4e86\u4e00\u4e2a <code>SrsLiveSource<\/code>\uff0c\u7528 <code>SrsLiveSource<\/code> \u6765\u7ba1\u7406\u63a8\u6d41\u3002\u8bf7\u770b\u540e\u7eed\u6587\u7ae0\u300aSRS4.0\u6e90\u7801\u5206\u6790-SrsLiveSource\u300b<\/p>\n\n\n\n<p><code class=\"prettyprint\" >_srs_sources<\/code> \u5168\u5c40\u53d8\u91cf\u662f\u5728 <code>srs_thread_initialize()<\/code> \u51fd\u6570\u91cc\u9762\u521d\u59cb\u5316\u7684\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >_srs_sources = new SrsLiveSourceManager();<\/code><\/pre>\n\n\n\n<p><strong>\u91cd\u70b94\uff1a<\/strong><code class=\"prettyprint\" >SrsRtmpConn::publishing()<\/code>\uff0c\u8fd9\u4e2a\u51fd\u6570\u5185\u90e8\u5176\u5b9e\u4f1a\u963b\u585e\u7684\uff0c\u91cc\u9762\u4f1a\u521b\u5efa\u4e00\u4e2a\u534f\u7a0b\u6765\u5904\u7406\u540e\u7eed\u7684\u97f3\u89c6\u9891\u63a8\u6d41\uff0c\u7136\u540e\u4e3b\u534f\u7a0b\u5c31\u4e0d\u884c\u5faa\u73af\u7edf\u8ba1\u4fe1\u606f\u3002<\/p>\n\n\n\n<p><strong>\u91cd\u70b95\uff1a<\/strong><code class=\"prettyprint\" >rtrd-&gt;start()<\/code> \u8fd9\u4e2a\u51fd\u6570\u662f\u91cd\u4e2d\u4e4b\u4e2d\uff0c\u53d8\u91cf rtrd \u7684\u521b\u5efa\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"prettyprint\" >SrsPublishRecvThread rtrd(rtmp, req, srs_netfd_fileno(stfd), 0, this, source, _srs_context-&gt;get_id());<\/code><\/pre>\n\n\n\n<p>\u521b\u5efa\u534f\u7a0b\u7684\u5730\u65b9\uff0c\u6211\u622a\u56fe\u8d34\u51fa\u6765\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"723\" height=\"393\" src=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/srs-9-3.png\" alt=\"\" class=\"wp-image-1447\" srcset=\"https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/srs-9-3.png 723w, https:\/\/www.xianwaizhiyin.net\/wp-content\/uploads\/2022\/03\/srs-9-3-300x163.png 300w\" sizes=\"auto, (max-width: 723px) 100vw, 723px\" \/><\/figure>\n\n\n\n<p>\u6211\u4eec\u77e5\u9053\uff0c\u6bcf\u6b21\u624d\u521b\u5efa\u534f\u7a0b\u4e4b\u540e\uff0c\u540e\u9762\u534f\u7a0b\u90fd\u662f\u5728 cycle() \u51fd\u6570\u8dd1\u8d77\u6765\u7684\uff0c\u6240\u4ee5 <code class=\"prettyprint\" >SrsRecvThread::cycle()<\/code> \u51fd\u6570\u5c31\u662f\u771f\u6b63\u5904\u7406\u97f3\u89c6\u9891\u63a8\u6d41\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u603b\u7ed3\uff0c\u672c\u6587\u5176\u5b9e\u53ea\u67093\u4e2a\u91cd\u70b9\u3002<\/p>\n\n\n\n<p>1\uff0c\u63a8\u6d41\u7684\u524d\u671f\u4ea4\u4e92\uff0c\u521b\u5efa\u6d41\u4e4b\u7c7b\u3002<\/p>\n\n\n\n<p>2\uff0c\u5f00\u4e00\u4e2a\u534f\u7a0b\u51fd\u6570 <code class=\"prettyprint\" >SrsRecvThread::cycle()<\/code> \u6765\u5904\u7406\u5ba2\u6237\u7aef\u7684\u97f3\u89c6\u9891\u6570\u636e\u6d41\u63a8\u9001\u3002<\/p>\n\n\n\n<p>3\uff0c\u4e3b\u534f\u7a0b\u4e0d\u65ad\u5faa\u73af\uff0c\u7edf\u8ba1\u6d41\u6570\u636e\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>\u7531\u4e8e\u7b14\u8005\u7684\u6c34\u5e73\u6709\u9650\uff0c \u52a0\u4e4b\u7f16\u5199\u7684\u540c\u65f6\u8fd8\u8981\u53c2\u4e0e\u5f00\u53d1\u5de5\u4f5c\uff0c\u6587\u4e2d\u96be\u514d\u4f1a\u51fa\u73b0\u4e00\u4e9b\u9519\u8bef\u6216\u8005\u4e0d\u51c6\u786e\u7684\u5730\u65b9\uff0c\u6073\u8bf7\u8bfb\u8005\u6279\u8bc4\u6307\u6b63\u3002\u5982\u679c\u8bfb\u8005\u6709\u4efb\u4f55\u5b9d\u8d35\u610f\u89c1\uff0c\u53ef\u4ee5\u52a0\u6211\u5fae\u4fe1 Loken1\u3002QQ\uff1a2338195090\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u300aSRS\u539f\u7406\u300b\u4e0a\u67b6\u4e86\uff0c\u6df1\u5ea6\u5256\u6790 SRS \u6e90\u4ee3\u7801\uff0c\u8bbf\u95ee\u5730\u5740\uff1asrs.xianwaizhiyin.net \u672c\u6587\u91c7\u7528 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-1444","post","type-post","status-publish","format-standard","hentry","category-srs4-0"],"yoast_head":"<!-- This site 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