{"id":3370,"date":"2025-08-08T14:46:55","date_gmt":"2025-08-08T06:46:55","guid":{"rendered":"http:\/\/www.51cos.com\/?p=3370"},"modified":"2025-08-08T14:46:55","modified_gmt":"2025-08-08T06:46:55","slug":"v4l2rtspserver%e7%9a%84%e5%bb%b6%e8%bf%9f%e5%a6%82%e4%bd%95%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/www.51cos.com\/?p=3370","title":{"rendered":"v4l2rtspserver\u7684\u5ef6\u8fdf\u5982\u4f55\uff1f"},"content":{"rendered":"<p><strong>\u7b54\u6848\u975e\u5e38\u660e\u786e\uff1a<code>v4l2rtspserver<\/code> \u7684\u5ef6\u8fdf\u4f1a\u663e\u8457\u4f4e\u4e8e\u60a8\u76ee\u524d\u4f7f\u7528\u7684 <code>stdbuf<\/code> + <code>socat<\/code> + <code>cat<\/code> \u65b9\u6848\u3002<\/strong><\/p>\n<p>\u5b83\u4eec\u4e4b\u95f4\u4e0d\u662f\u4e00\u4e2a\u91cf\u7ea7\u7684\u6bd4\u8f83\u3002<code>stdbuf<\/code> \u53ea\u662f\u60a8\u5f53\u524d\u65b9\u6848\u4e2d\u7684\u4e00\u4e2a<strong>\u4f18\u5316\u5de5\u5177<\/strong>\uff0c\u800c <code>v4l2rtspserver<\/code> \u662f\u4e00\u4e2a<strong>\u5b8c\u6574\u7684\u3001\u4e13\u4e3a\u4f4e\u5ef6\u8fdf\u89c6\u9891\u6d41\u8bbe\u8ba1\u7684\u89e3\u51b3\u65b9\u6848<\/strong>\u3002<\/p>\n<hr \/>\n<h3>\u8be6\u7ec6\u5bf9\u6bd4\u5206\u6790<\/h3>\n<table>\n<thead>\n<tr>\n<th align=\"left\">\u7279\u6027 (Feature)<\/th>\n<th align=\"left\"><code>stdbuf<\/code> + <code>socat<\/code> \u65b9\u6848<\/th>\n<th align=\"left\"><code>v4l2rtspserver<\/code> \u65b9\u6848<\/th>\n<th align=\"left\">\u4f18\u52a3\u5206\u6790<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\"><strong>\u5ef6\u8fdf\u6765\u6e90<\/strong><\/td>\n<td align=\"left\"><code>v4l2<\/code> -> \u5185\u6838 -> <code>\u7ba1\u9053<\/code> -> <code>cat<\/code> -> <code>socat<\/code> -> TCP\/IP\u534f\u8bae\u6808<\/td>\n<td align=\"left\"><code>v4l2<\/code> -> <code>v4l2rtspserver<\/code> \u8fdb\u7a0b\u5185 -> RTP\/IP\u534f\u8bae\u6808<\/td>\n<td align=\"left\"><strong><code>v4l2rtspserver<\/code> \u80dc\u51fa<\/strong>\u3002\u6570\u636e\u94fe\u8def\u6781\u77ed\uff0c\u6ca1\u6709\u591a\u6b21\u8fdb\u7a0b\u95f4\u5207\u6362\u548c\u7ba1\u9053\u8bfb\u5199\uff0c\u5ef6\u8fdf\u6765\u6e90\u5c11\u5f97\u591a\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u4f7f\u7528\u534f\u8bae<\/strong><\/td>\n<td align=\"left\">HTTP (\u57fa\u4e8eTCP)<\/td>\n<td align=\"left\">RTSP\/RTP (\u901a\u5e38\u57fa\u4e8eUDP)<\/td>\n<td align=\"left\"><strong><code>v4l2rtspserver<\/code> \u80dc\u51fa<\/strong>\u3002RTP\/UDP\u662f\u4e3a\u5b9e\u65f6\u4f20\u8f93\u8bbe\u8ba1\u7684\uff0c\u5b83\u4e0d\u4fdd\u8bc1\u91cd\u4f20\u4e22\u5931\u7684\u6570\u636e\u5305\uff0c\u800c\u662f\u76f4\u63a5\u4e22\u5f03\uff0c\u4ece\u800c\u907f\u514d\u4e86\u56e0\u7f51\u7edc\u6296\u52a8\u5bfc\u81f4\u7684\u5ef6\u8fdf\u7d2f\u79ef\u3002TCP\u5fc5\u987b\u4fdd\u8bc1\u6570\u636e\u6309\u5e8f\u9001\u8fbe\uff0c\u4e00\u65e6\u4e22\u5305\u5c31\u4f1a\u5361\u4f4f\u7b49\u5f85\u91cd\u4f20\uff0c\u5ef6\u8fdf\u4f1a\u6025\u5267\u589e\u52a0\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u5de5\u4f5c\u6548\u7387<\/strong><\/td>\n<td align=\"left\"><strong>\u4f4e\u6548<\/strong>\u3002\u6bcf\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\uff0c<code>socat<\/code> \u90fd\u4f1a<code>fork<\/code>\u4e00\u4e2a\u65b0\u8fdb\u7a0b\uff0c\u7136\u540e\u542f\u52a8\u4e00\u4e2ashell\uff0c\u518d\u7531shell\u542f\u52a8<code>cat<\/code>\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u5f00\u9500\u5f88\u5927\u3002<\/td>\n<td align=\"left\"><strong>\u9ad8\u6548<\/strong>\u3002\u4e00\u4e2a\u5355\u4e00\u7684\u3001\u8f7b\u91cf\u7ea7\u7684C\/C++\u8fdb\u7a0b\u5904\u7406\u6240\u6709\u5ba2\u6237\u7aef\u8fde\u63a5\u3002\u5b83\u76f4\u63a5\u4eceV4L2\u8bbe\u5907\u8bfb\u53d6\u6570\u636e\uff0c\u5728\u5185\u5b58\u4e2d\u76f4\u63a5\u6253\u5305\u6210RTP\u5305\u53d1\u9001\uff0c\u6548\u7387\u6781\u9ad8\u3002<\/td>\n<td align=\"left\"><strong><code>v4l2rtspserver<\/code> \u5b8c\u80dc<\/strong>\u3002\u6839\u672c\u4e0d\u662f\u4e00\u4e2a\u7ea7\u522b\u7684\u6548\u7387\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u5065\u58ee\u6027<\/strong><\/td>\n<td align=\"left\"><strong>\u8106\u5f31<\/strong>\u3002\u4efb\u4f55\u4e00\u4e2a\u73af\u8282\u51fa\u9519\uff08\u5982\u7ba1\u9053\u963b\u585e\u3001<code>cat<\/code>\u8fdb\u7a0b\u5d29\u6e83\uff09\uff0c\u6574\u4e2a\u8fde\u63a5\u5c31\u4e2d\u65ad\u4e86\u3002\u9519\u8bef\u5904\u7406\u80fd\u529b\u5dee\u3002<\/td>\n<td align=\"left\"><strong>\u5065\u58ee<\/strong>\u3002\u88ab\u8bbe\u8ba1\u4e3a7&#215;24\u5c0f\u65f6\u8fd0\u884c\u7684\u670d\u52a1\u5668\u3002\u80fd\u4f18\u96c5\u5730\u5904\u7406\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u548c\u65ad\u5f00\uff0c\u4e00\u4e2a\u5ba2\u6237\u7aef\u7684\u95ee\u9898\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u5ba2\u6237\u7aef\u3002<\/td>\n<td align=\"left\"><strong><code>v4l2rtspserver<\/code> \u80dc\u51fa<\/strong>\u3002\u4e13\u4e1a\u670d\u52a1\u5668\u7684\u53ef\u9760\u6027\u8fdc\u8d85\u4e34\u65f6\u811a\u672c\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u591a\u5ba2\u6237\u7aef\u652f\u6301<\/strong><\/td>\n<td align=\"left\"><strong>\u4f2a\u591a\u5ba2\u6237\u7aef<\/strong>\u3002\u867d\u7136<code>socat<\/code>\u7684<code>fork<\/code>\u53ef\u4ee5\u63a5\u53d7\u591a\u4e2aTCP\u8fde\u63a5\uff0c\u4f46\u5b83\u4eec\u90fd\u4ece\u540c\u4e00\u4e2a<code>\/tmp\/video_pipe<\/code>\u8bfb\u53d6\u6570\u636e\u3002\u7ba1\u9053\u662f\u5355\u5411\u5355\u8bfb\u7684\uff0c\u4e00\u65e6\u4e00\u4e2a<code>cat<\/code>\u5728\u8bfb\uff0c\u5176\u4ed6<code>cat<\/code>\u5c31\u4f1a\u963b\u585e\u6216\u51fa\u9519\u3002\u57fa\u672c\u4e0a\u53ea\u80fd\u652f\u6301\u4e00\u4e2a\u5ba2\u6237\u7aef\u6b63\u5e38\u5de5\u4f5c\u3002<\/td>\n<td align=\"left\"><strong>\u771f\u591a\u5ba2\u6237\u7aef<\/strong>\u3002\u7a0b\u5e8f\u5185\u90e8\u8bbe\u8ba1\u4e86\u5206\u53d1\u673a\u5236\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u4e00\u8def\u89c6\u9891\u6d41\u540c\u65f6\u53d1\u9001\u7ed9\u591a\u4e2a\u5ba2\u6237\u7aef\u3002<\/td>\n<td align=\"left\"><strong><code>v4l2rtspserver<\/code> \u5b8c\u80dc<\/strong>\u3002\u8fd9\u662f\u5176\u6838\u5fc3\u529f\u80fd\u4e4b\u4e00\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u8d44\u6e90\u6d88\u8017<\/strong><\/td>\n<td align=\"left\"><strong>\u9ad8<\/strong>\u3002\u6bcf\u6b21\u8fde\u63a5\u90fd\u521b\u5efa\u65b0\u8fdb\u7a0b\uff0c\u4f1a\u6d88\u8017\u66f4\u591a\u7684CPU\u548c\u5185\u5b58\u3002<\/td>\n<td align=\"left\"><strong>\u6781\u4f4e<\/strong>\u3002\u4f5c\u4e3a\u4e00\u4e2a\u9ad8\u5ea6\u4f18\u5316\u7684C\/C++\u7a0b\u5e8f\uff0c\u5176CPU\u548c\u5185\u5b58\u5360\u7528\u975e\u5e38\u5c0f\uff0c\u975e\u5e38\u9002\u5408\u5728OpenWrt\u8fd9\u6837\u7684\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e0a\u8fd0\u884c\u3002<\/td>\n<td align=\"left\"><strong><code>v4l2rtspserver<\/code> \u80dc\u51fa<\/strong>\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e00\u4e2a\u6bd4\u55bb<\/h3>\n<ul>\n<li><strong><code>stdbuf<\/code> + <code>socat<\/code> \u65b9\u6848<\/strong>\uff1a\u5c31\u50cf\u60a8\u4e3a\u4e86\u9001\u8d27\uff0c\u81ea\u5df1\u7528\u7ba1\u5b50\u3001\u9a6c\u8fbe\u3001\u8f6e\u5b50\u62fc\u51d1\u4e86\u4e00\u8f86\u8f66\u3002<code>stdbuf<\/code> \u5c31\u50cf\u662f\u7ed9\u8fd9\u8f86\u8f66\u7684\u6cb9\u95e8\u52a0\u4e86\u6da6\u6ed1\u6cb9\uff0c\u8ba9\u5b83\u53cd\u5e94\u5feb\u4e86\u4e00\u70b9\u3002\u4f46\u8fd9\u8f86\u8f66\u672c\u8eab\u7ed3\u6784\u590d\u6742\u3001\u6548\u7387\u4f4e\u4e0b\u3001\u8fd8\u5bb9\u6613\u6563\u67b6\u3002<\/li>\n<li><strong><code>v4l2rtspserver<\/code> \u65b9\u6848<\/strong>\uff1a\u8fd9\u662f\u76f4\u63a5\u4ece\u5de5\u5382\u4e70\u4e86\u4e00\u8f86\u4e13\u95e8\u4e3a\u8d5b\u9053\u8bbe\u8ba1\u7684\u4e13\u4e1a\u8d5b\u8f66\u3002\u5b83\u4ece\u8bbe\u8ba1\u4e4b\u521d\u5c31\u8003\u8651\u4e86\u901f\u5ea6\u3001\u6548\u7387\u548c\u7a33\u5b9a\u6027\uff0c\u6bcf\u4e2a\u90e8\u4ef6\u90fd\u7ecf\u8fc7\u4e86\u4f18\u5316\u3002<\/li>\n<\/ul>\n<p><strong>\u7ed3\u8bba\uff1a<\/strong><\/p>\n<p><code>stdbuf<\/code> \u53ea\u662f\u5728\u60a8\u201c\u62fc\u88c5\u8f66\u201d\u7684\u65b9\u6848\u4e0a\u8fdb\u884c\u7684\u5c0f\u4fee\u5c0f\u8865\uff0c\u53ef\u4ee5\u51cf\u5c11\u4e00\u70b9\u70b9\u5ef6\u8fdf\u3002\u800c\u5207\u6362\u5230 <code>v4l2rtspserver<\/code> \u662f<strong>\u4ece\u6839\u672c\u4e0a\u6539\u53d8\u4e86\u67b6\u6784<\/strong>\uff0c\u7528\u4e13\u4e1a\u65b9\u6848\u66ff\u4ee3\u4e86\u4e34\u65f6\u65b9\u6848\uff0c\u5ef6\u8fdf\u4f1a\u5f97\u5230<strong>\u8d28\u7684\u98de\u8dc3<\/strong>\uff0c\u4ece\u53ef\u80fd\u5b58\u5728\u7684\u6570\u767e\u6beb\u79d2\u751a\u81f3\u79d2\u7ea7\u5ef6\u8fdf\uff0c\u964d\u4f4e\u5230\u51e0\u5341\u6beb\u79d2\u5230\u4e00\u767e\u591a\u6beb\u79d2\u7684\u6c34\u5e73\u3002<\/p>\n<h3>\u884c\u52a8\u5efa\u8bae<\/h3>\n<p><strong>\u8bf7\u679c\u65ad\u653e\u5f03 <code>socat<\/code> \u65b9\u6848\uff0c\u5207\u6362\u5230 <code>v4l2rtspserver<\/code> \u6216\u5176\u66f4\u73b0\u4ee3\u7684\u66ff\u4ee3\u54c1 <code>MediaMTX<\/code> (<code>rtsp-simple-server<\/code>)\u3002<\/strong><\/p>\n<p><code>v4l2rtspserver<\/code> \u662f\u4e00\u4e2a\u5f88\u7ecf\u5178\u7684\u9009\u62e9\uff0c\u800c <code>MediaMTX<\/code> \u66f4\u73b0\u4ee3\uff0c\u652f\u6301\u66f4\u591a\u534f\u8bae\uff08RTSP, RTMP, HLS, WebRTC\u7b49\uff09\uff0c\u914d\u7f6e\u4e5f\u66f4\u7075\u6d3b\u3002\u4e24\u8005\u5728OpenWrt\u4e0a\u90fd\u8868\u73b0\u4f18\u5f02\u3002<\/p>\n<h4>\u5982\u4f55\u5207\u6362\u5230 <code>v4l2rtspserver<\/code> (\u4ee5\u5b83\u4e3a\u4f8b)<\/h4>\n<ol>\n<li><strong>\u5b89\u88c5 (\u5982\u679copkg\u6e90\u91cc\u6709)<\/strong>\n<pre><code class=\"language-bash line-numbers\">opkg update\nopkg install v4l2rtspserver\n<\/code><\/pre>\n<p>\u5982\u679c\u6e90\u91cc\u6ca1\u6709\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u4ece\u5b83\u7684<a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/github.com\/mpromonet\/v4l2rtspserver\/releases\">GitHub release\u9875\u9762<\/a>\u4e0b\u8f7d\u9884\u7f16\u8bd1\u7684ARM\u7248\u672c\uff0c\u6216\u8005\u4ea4\u53c9\u7f16\u8bd1\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8fd0\u884c<\/strong><br \/>\n\u8fd0\u884c\u547d\u4ee4\u975e\u5e38\u7b80\u5355\uff1a<\/p>\n<pre><code class=\"language-bash line-numbers\"># \u6740\u6389\u4f60\u65e7\u7684\u670d\u52a1\nkillall socat\nkillall v4l2-ctl\n\n# \u76f4\u63a5\u542f\u52a8v4l2rtspserver (\u5b83\u4f1a\u81ea\u52a8\u5904\u7406v4l2\u8bbe\u5907)\n# -W \u5bbd\u5ea6 -H \u9ad8\u5ea6 -F \u5e27\u7387 -P \u7aef\u53e3\u53f7\nv4l2rtspserver -W 1920 -H 1080 -F 30 -P 8554 \/dev\/video0 &amp;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u5ba2\u6237\u7aef\u64ad\u653e<\/strong><br \/>\n\u5ba2\u6237\u7aef\u4f7f\u7528RTSP\u5730\u5740\u64ad\u653e\uff0c\u5ef6\u8fdf\u6781\u4f4e\uff1a<\/p>\n<pre><code class=\"language-bash line-numbers\"># ffplay\u4f1a\u81ea\u52a8\u4f7f\u7528\u4f4e\u5ef6\u8fdf\u7684RTP\/UDP\u6a21\u5f0f\nffplay rtsp:\/\/192.168.1.1:8554\/unicast\n<\/code><\/pre>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u7b54\u6848\u975e\u5e38\u660e\u786e\uff1av4l2rtspserver \u7684\u5ef6\u8fdf\u4f1a\u663e\u8457\u4f4e\u4e8e\u60a8\u76ee\u524d\u4f7f\u7528\u7684 stdbuf + socat + c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-3370","post","type-post","status-publish","format-standard","hentry","category-embedded"],"_links":{"self":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/3370","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3370"}],"version-history":[{"count":1,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/3370\/revisions"}],"predecessor-version":[{"id":3371,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/3370\/revisions\/3371"}],"wp:attachment":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3370"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}