{"id":9526,"date":"2023-05-25T17:00:07","date_gmt":"2023-05-25T09:00:07","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=9526"},"modified":"2023-05-26T14:10:04","modified_gmt":"2023-05-26T06:10:04","slug":"ubuntu%e4%b8%8a-v4l2rtspserver%e7%bc%96%e8%af%91%e5%8f%8a%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=9526","title":{"rendered":"ubuntu\u4e0a v4l2rtspserver\u7f16\u8bd1\u53ca\u4f7f\u7528"},"content":{"rendered":"<p>ubuntu\u7248\u672c\uff1a<code>Linux ubuntu 5.15.0-72-generic #79~20.04.1-Ubuntu SMP Thu Apr 20 22:12:07 UTC 2023 x86_64 x86_64 x86_64 GNU\/Linux<\/code><\/p>\n<h4>\u7f16\u8bd1<\/h4>\n<p>1.hls.js\u4e0elibv4l2cpp\u514b\u9686\u4e0d\u4e0b\u6765<br \/>\ngithub.com\u4e5f\u80fd\u6b63\u5e38ping\u901a\uff0c\u53ea\u80fd\u53bb\u4e0b\u8f7d\u7136\u540e\u590d\u5236\u8fc7\u6765\u3002<\/p>\n<h4>\u4f7f\u7528<\/h4>\n<blockquote>\n<p>\u670d\u52a1\u7aef<\/p>\n<\/blockquote>\n<p>.\/v4l2rtspserver   -W 1280 -H 720 -fMJPG -F 25 -a S16_LE -A 44100 -C 1 \/dev\/video0,hw:1,0<\/p>\n<p>\u68c0\u6d4b\u8bbe\u5907\uff1a<\/p>\n<pre><code class=\"language-bash\">VID_PATH=$(v4l2-sysfs-path | grep &quot;Video device:&quot; | head -n 1 | cut -d&quot; &quot; -f3)\n[ &quot;$VID_PATH&quot; != &quot;&quot; ] &amp;&amp; VID_PATH=\/dev\/&quot;$VID_PATH&quot;\nALSA_PATH=$(v4l2-sysfs-path | grep &quot;pcm capture:&quot; | head -n 1 | cut -d&quot; &quot; -f3)\n[ &quot;$VID_PATH&quot; != &quot;&quot; ] &amp;&amp; [ &quot;$ALSA_PATH&quot; != &quot;&quot; ] &amp;&amp; break<\/code><\/pre>\n<p>\u6ce8\u610f\u672cubuntu\u4e0a\u8bbe\u5907\u540d\u662f\u5168\u540d\/dev\/video0\uff0c\u6709\u7684\u8bbe\u5907\u53ef\u80fd\u4e0d\u9700\u8981\u5e26\/dev\uff0c\u8bbe\u5907\u540d\u4e0d\u5bf9\u4f1a\u62a5\u9519\uff1a<code>VIDIOC_S_CROP inappropriate ioctl for device<\/code><\/p>\n<blockquote>\n<p>\u8bbe\u5907\u7aef<\/p>\n<\/blockquote>\n<p>\u5bf9\u4e8e\u5355\u64ad\uff0c\u53ea\u8981\u64ad\u653e<code>rtsp:\/\/server_ip:8554\/unicast<\/code>\u5373\u53ef\u3002<\/p>\n<h4>\u5e38\u89c1\u95ee\u9898<\/h4>\n<p>1.inappropriate ioctl for device<br \/>\n\u6709\u53ef\u80fd\u662f\u4e0a\u9762\u8bf4\u7684\u60c5\u51b5\uff0c\u6709\u53ef\u80fd\u662f\u8bbe\u5907\u6ca1\u6709\u8bc6\u522b\u5230\uff0c\u867d\u7136\/dev\/video0\u6709\u663e\u793a\u3002\u6267\u884c<code>v4l2-ctl -d \/dev\/video0 -D<\/code>\u547d\u4ee4\uff0c\u5982\u679c\u8fd4\u56de<code>Cannot open device \/dev\/video2, exiting.<\/code>\uff0c\u5219\u8bbe\u5907\u4e0d\u5b58\u5728\u6216\u8005\u6ca1\u6709\u8bc6\u522b\uff0c\u5982\u679c\u662f\u6ca1\u6709\u8bc6\u522b\uff0c\u53ef\u4ee5\u91cd\u542f\u865a\u62df\u673a\u5c1d\u8bd5\u4e00\u4e0b\uff08\u4e2d\u95f4\u6444\u50cf\u5934\u6709\u63d2\u62d4\uff09\u3002<\/p>\n<button class=\"simplefavorite-button\" data-postid=\"9526\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"\">\u6536\u85cf <i class=\"sf-icon-star-empty\"><\/i><\/button>","protected":false},"excerpt":{"rendered":"<p>ubuntu\u7248\u672c\uff1aLinux ubuntu 5.15.0-72-generic #79~20.04. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[752],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/9526"}],"collection":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9526"}],"version-history":[{"count":3,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/9526\/revisions"}],"predecessor-version":[{"id":9533,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/9526\/revisions\/9533"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9526"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}