{"id":787,"date":"2026-01-25T09:50:53","date_gmt":"2026-01-25T01:50:53","guid":{"rendered":"https:\/\/ixriver.com\/?p=787"},"modified":"2026-01-25T09:50:53","modified_gmt":"2026-01-25T01:50:53","slug":"%e8%a7%86%e9%a2%91%e9%87%87%e9%9b%86","status":"publish","type":"post","link":"https:\/\/ixriver.com\/?p=787","title":{"rendered":"\u89c6\u9891\u91c7\u96c6"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ixriver.com\/?p=787\/#Video_Capture\" title=\"Video Capture\">Video Capture<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ixriver.com\/?p=787\/#%E6%A6%82%E8%BF%B0\" title=\"\u6982\u8ff0\">\u6982\u8ff0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ixriver.com\/?p=787\/#%E4%B8%BB%E8%A6%81%E5%86%85%E5%AE%B9\" title=\"\u4e3b\u8981\u5185\u5bb9\">\u4e3b\u8981\u5185\u5bb9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ixriver.com\/?p=787\/#1_%E8%A7%86%E9%A2%91%E9%87%87%E9%9B%86\" title=\"1. \u89c6\u9891\u91c7\u96c6\">1. \u89c6\u9891\u91c7\u96c6<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ixriver.com\/?p=787\/#11_%E9%87%87%E9%9B%86%E8%AE%BE%E5%A4%87%E4%B8%8E%E6%8E%A5%E5%8F%A3\" title=\"1.1 \u91c7\u96c6\u8bbe\u5907\u4e0e\u63a5\u53e3\">1.1 \u91c7\u96c6\u8bbe\u5907\u4e0e\u63a5\u53e3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ixriver.com\/?p=787\/#12_%E8%89%B2%E5%BD%A9%E7%A9%BA%E9%97%B4%E4%B8%8E%E6%A0%BC%E5%BC%8F\" title=\"1.2 \u8272\u5f69\u7a7a\u95f4\u4e0e\u683c\u5f0f\">1.2 \u8272\u5f69\u7a7a\u95f4\u4e0e\u683c\u5f0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ixriver.com\/?p=787\/#13_%E9%87%87%E9%9B%86%E5%8F%82%E6%95%B0%E4%BC%98%E5%8C%96\" title=\"1.3 \u91c7\u96c6\u53c2\u6570\u4f18\u5316\">1.3 \u91c7\u96c6\u53c2\u6570\u4f18\u5316<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"Video_Capture\"><\/span>Video Capture<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"%E6%A6%82%E8%BF%B0\"><\/span>\u6982\u8ff0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u89c6\u9891\u91c7\u96c6\u662f\u97f3\u89c6\u9891\u5904\u7406\u6d41\u7a0b\u7684\u7b2c\u4e00\u6b65\uff0c\u8d1f\u8d23\u4ece\u89c6\u9891\u8bbe\u5907\uff08\u6444\u50cf\u5934\uff09\u83b7\u53d6\u539f\u59cb\u89c6\u9891\u5e27\u6570\u636e\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E4%B8%BB%E8%A6%81%E5%86%85%E5%AE%B9\"><\/span>\u4e3b\u8981\u5185\u5bb9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>https:\/\/ixriver.com\/wp-json\/wp\/v2<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_%E8%A7%86%E9%A2%91%E9%87%87%E9%9B%86\"><\/span>1. \u89c6\u9891\u91c7\u96c6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"11_%E9%87%87%E9%9B%86%E8%AE%BE%E5%A4%87%E4%B8%8E%E6%8E%A5%E5%8F%A3\"><\/span>1.1 \u91c7\u96c6\u8bbe\u5907\u4e0e\u63a5\u53e3<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><strong>\u6444\u50cf\u5934\u7c7b\u578b<\/strong><br \/>\n&#8211; <strong>USB\u6444\u50cf\u5934<\/strong>\uff1a\u6700\u5e38\u89c1\u7684PC\u7aef\u6444\u50cf\u5934\uff0c\u901a\u8fc7USB\u63a5\u53e3\u8fde\u63a5\uff0c\u652f\u6301\u5373\u63d2\u5373\u7528<br \/>\n&#8211; <strong>MIPI\u6444\u50cf\u5934<\/strong>\uff1a\u79fb\u52a8\u8bbe\u5907\u5e38\u7528\u63a5\u53e3\uff0cMIPI CSI-2\u6807\u51c6\uff0c\u4f4e\u529f\u8017\u3001\u9ad8\u901f\u7387<br \/>\n&#8211; <strong>HDMI\u91c7\u96c6\u5361<\/strong>\uff1a\u7528\u4e8e\u91c7\u96c6HDMI\u4fe1\u53f7\uff0c\u5e38\u7528\u4e8e\u6e38\u620f\u76f4\u64ad\u3001\u4e13\u4e1a\u5f55\u5236<br \/>\n&#8211; <strong>\u7f51\u7edc\u6444\u50cf\u5934\uff08IP Camera\uff09<\/strong>\uff1a\u901a\u8fc7\u7f51\u7edc\u534f\u8bae\uff08RTSP\u3001ONVIF\uff09\u91c7\u96c6\u89c6\u9891\u6d41<\/p>\n<p><strong>\u91c7\u96c6\u53c2\u6570<\/strong><br \/>\n&#8211; <strong>\u5206\u8fa8\u7387<\/strong>\uff1a\u5e38\u89c1\u5206\u8fa8\u7387\u5305\u62ec720p\u30011080p\u30014K\u7b49\uff0c\u5f71\u54cd\u91c7\u96c6\u6570\u636e\u91cf<br \/>\n&#8211; <strong>\u5e27\u7387<\/strong>\uff1a\u5e38\u89c1\u5e27\u7387\u670915fps\u300124fps\u300130fps\u300160fps\uff0c\u5f71\u54cd\u6d41\u7545\u5ea6<br \/>\n&#8211; <strong>\u8272\u5f69\u7a7a\u95f4<\/strong>\uff1a\u91c7\u96c6\u65f6\u901a\u5e38\u4f7f\u7528RGB\u6216YUV\u683c\u5f0f<\/p>\n<p><strong>\u91c7\u96c6API<\/strong><br \/>\n&#8211; <strong>Linux<\/strong>: V4L2 (Video4Linux2) &#8211; \u6807\u51c6\u89c6\u9891\u91c7\u96c6\u63a5\u53e3<br \/>\n&#8211; <strong>macOS\/iOS<\/strong>: AVFoundation &#8211; Apple\u5e73\u53f0\u7684\u97f3\u89c6\u9891\u6846\u67b6<br \/>\n&#8211; <strong>Windows<\/strong>: DirectShow\/Media Foundation &#8211; Windows\u5e73\u53f0\u7684\u5a92\u4f53\u6846\u67b6<br \/>\n&#8211; <strong>Web<\/strong>: MediaDevices API &#8211; \u6d4f\u89c8\u5668WebRTC\u6807\u51c6\u63a5\u53e3<br \/>\n&#8211; <strong>Android<\/strong>: Camera2 API &#8211; Android 5.0+\u7684\u76f8\u673a\u63a5\u53e3<\/p>\n<h4><span class=\"ez-toc-section\" id=\"12_%E8%89%B2%E5%BD%A9%E7%A9%BA%E9%97%B4%E4%B8%8E%E6%A0%BC%E5%BC%8F\"><\/span>1.2 \u8272\u5f69\u7a7a\u95f4\u4e0e\u683c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><strong>RGB\u8272\u5f69\u7a7a\u95f4<\/strong><br \/>\n&#8211; RGB\u662f\u52a0\u8272\u6a21\u578b\uff0c\u901a\u8fc7\u7ea2(Red)\u3001\u7eff(Green)\u3001\u84dd(Blue)\u4e09\u539f\u8272\u7ec4\u5408\u8868\u793a\u989c\u8272<br \/>\n&#8211; \u6bcf\u4e2a\u50cf\u7d20\u75283\u4e2a\u5b57\u8282\u8868\u793a\uff08RGB24\uff09\uff0c\u62164\u4e2a\u5b57\u8282\uff08RGBA32\uff0c\u5305\u542b\u900f\u660e\u5ea6\uff09<br \/>\n&#8211; \u4e3b\u8981\u7528\u4e8e\u663e\u793a\u548c\u56fe\u50cf\u5904\u7406<\/p>\n<p><strong>YUV\u8272\u5f69\u7a7a\u95f4<\/strong><br \/>\n&#8211; YUV\u662f\u4eae\u5ea6-\u8272\u5ea6\u6a21\u578b\uff0cY\u8868\u793a\u4eae\u5ea6\uff08Luminance\uff09\uff0cU\u548cV\u8868\u793a\u8272\u5ea6\uff08Chrominance\uff09<br \/>\n&#8211; \u4eba\u773c\u5bf9\u4eae\u5ea6\u654f\u611f\uff0c\u5bf9\u8272\u5ea6\u4e0d\u654f\u611f\uff0c\u56e0\u6b64\u53ef\u4ee5\u964d\u4f4e\u8272\u5ea6\u91c7\u6837\u7387\u4ee5\u8282\u7701\u5e26\u5bbd<br \/>\n&#8211; \u4e3b\u8981\u7528\u4e8e\u89c6\u9891\u7f16\u7801\u548c\u4f20\u8f93<\/p>\n<p><strong>YUV\u683c\u5f0f\u7c7b\u578b<\/strong><br \/>\n&#8211; <strong>NV12\/NV21<\/strong>\uff1a\u534a\u5e73\u9762\u683c\u5f0f\uff0cY\u5e73\u9762\u8fde\u7eed\uff0cUV\u4ea4\u9519\u5b58\u50a8<br \/>\n  &#8211; NV12\uff1aU\u5728\u524d\uff0cV\u5728\u540e\uff08Windows\u5e38\u7528\uff09<br \/>\n  &#8211; NV21\uff1aV\u5728\u524d\uff0cU\u5728\u540e\uff08Android\u5e38\u7528\uff09<br \/>\n&#8211; <strong>I420\/YV12<\/strong>\uff1a\u5e73\u9762\u683c\u5f0f\uff0cY\u3001U\u3001V\u4e09\u4e2a\u5e73\u9762\u5206\u79bb\u5b58\u50a8<br \/>\n  &#8211; I420\uff1aU\u5728\u524d\uff0cV\u5728\u540e<br \/>\n  &#8211; YV12\uff1aV\u5728\u524d\uff0cU\u5728\u540e<br \/>\n&#8211; <strong>YUY2\/UYVY<\/strong>\uff1a\u6253\u5305\u683c\u5f0f\uff0cY\u3001U\u3001V\u4ea4\u9519\u5b58\u50a8\u5728\u540c\u4e00\u5e73\u9762<\/p>\n<p><strong>YUV\u91c7\u6837\u65b9\u5f0f<\/strong><br \/>\n&#8211; <strong>4:4:4<\/strong>\uff1a\u65e0\u4e0b\u91c7\u6837\uff0cY\u3001U\u3001V\u91c7\u6837\u7387\u76f8\u540c\uff0c\u8d28\u91cf\u6700\u9ad8\uff0c\u6570\u636e\u91cf\u6700\u5927<br \/>\n&#8211; <strong>4:2:2<\/strong>\uff1a\u6c34\u5e73\u65b9\u5411U\u3001V\u91c7\u6837\u7387\u51cf\u534a\uff0c\u5782\u76f4\u65b9\u5411\u4e0d\u53d8\uff0c\u8d28\u91cf\u8f83\u9ad8<br \/>\n&#8211; <strong>4:2:0<\/strong>\uff1a\u6c34\u5e73\u548c\u5782\u76f4\u65b9\u5411U\u3001V\u91c7\u6837\u7387\u90fd\u51cf\u534a\uff0c\u6700\u5e38\u7528\uff0c\u6570\u636e\u91cf\u6700\u5c0f<\/p>\n<p><strong>RGB\u5230YUV\u8f6c\u6362<\/strong><\/p>\n<pre><code>Y = 0.299*R + 0.587*G + 0.114*B\nU = -0.169*R - 0.331*G + 0.500*B + 128\nV = 0.500*R - 0.419*G - 0.081*B + 128\n<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"13_%E9%87%87%E9%9B%86%E5%8F%82%E6%95%B0%E4%BC%98%E5%8C%96\"><\/span>1.3 \u91c7\u96c6\u53c2\u6570\u4f18\u5316<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><strong>\u66dd\u5149\u63a7\u5236<\/strong><br \/>\n&#8211; \u81ea\u52a8\u66dd\u5149\uff08AE\uff09\uff1a\u6839\u636e\u573a\u666f\u4eae\u5ea6\u81ea\u52a8\u8c03\u6574\u66dd\u5149\u65f6\u95f4<br \/>\n&#8211; \u624b\u52a8\u66dd\u5149\uff1a\u56fa\u5b9a\u66dd\u5149\u53c2\u6570\uff0c\u9002\u7528\u4e8e\u7279\u6b8a\u573a\u666f<br \/>\n&#8211; \u66dd\u5149\u8865\u507f\uff1a\u5728\u81ea\u52a8\u66dd\u5149\u57fa\u7840\u4e0a\u8fdb\u884c\u5fae\u8c03<\/p>\n<p><strong>\u767d\u5e73\u8861<\/strong><br \/>\n&#8211; \u81ea\u52a8\u767d\u5e73\u8861\uff08AWB\uff09\uff1a\u6839\u636e\u73af\u5883\u5149\u81ea\u52a8\u8c03\u6574\u8272\u6e29<br \/>\n&#8211; \u624b\u52a8\u767d\u5e73\u8861\uff1a\u9884\u8bbe\u8272\u6e29\u503c\uff08\u5982\u65e5\u5149\u3001\u767d\u70bd\u706f\u3001\u8367\u5149\u706f\uff09<\/p>\n<p><strong>\u5bf9\u7126<\/strong><br \/>\n&#8211; \u81ea\u52a8\u5bf9\u7126\uff08AF\uff09\uff1a\u81ea\u52a8\u8c03\u6574\u7126\u8ddd\u4f7f\u753b\u9762\u6e05\u6670<br \/>\n&#8211; \u8fde\u7eed\u5bf9\u7126\uff1a\u5b9e\u65f6\u8ddf\u8e2a\u79fb\u52a8\u7269\u4f53<br \/>\n&#8211; \u624b\u52a8\u5bf9\u7126\uff1a\u56fa\u5b9a\u7126\u8ddd<\/p>\n<p><strong>\u5e27\u7387\u81ea\u9002\u5e94<\/strong><br \/>\n&#8211; \u6839\u636e\u7f51\u7edc\u72b6\u51b5\u6216\u6027\u80fd\u52a8\u6001\u8c03\u6574\u5e27\u7387<br \/>\n&#8211; \u4f4e\u5e26\u5bbd\u65f6\u964d\u4f4e\u5e27\u7387\uff0c\u4fdd\u8bc1\u6d41\u7545\u5ea6<br \/>\n&#8211; \u9ad8\u8d1f\u8f7d\u65f6\u964d\u4f4e\u5e27\u7387\uff0c\u4fdd\u8bc1\u7a33\u5b9a\u6027<\/p>\n<p><strong>\u5206\u8fa8\u7387\u81ea\u9002\u5e94<\/strong><br \/>\n&#8211; \u6839\u636e\u8bbe\u5907\u6027\u80fd\u6216\u7f51\u7edc\u72b6\u51b5\u52a8\u6001\u8c03\u6574\u5206\u8fa8\u7387<br \/>\n&#8211; \u79fb\u52a8\u8bbe\u5907\u53ef\u80fd\u4ece1080p\u964d\u81f3720p\u4ee5\u8282\u7701\u8d44\u6e90<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Video Capture \u6982\u8ff0 \u89c6\u9891\u91c7\u96c6\u662f\u97f3\u89c6\u9891\u5904\u7406\u6d41\u7a0b\u7684\u7b2c\u4e00\u6b65\uff0c\u8d1f\u8d23\u4ece\u89c6\u9891\u8bbe\u5907\uff08\u6444\u50cf\u5934\uff09\u83b7\u53d6\u539f\u59cb\u89c6\u9891\u5e27\u6570\u636e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"blocksy_meta":[],"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":""},"post_excerpt_stackable":"<p>\u76ee\u5f55 Toggle Video Capture\u6982\u8ff0\u4e3b\u8981\u5185\u5bb91. \u89c6\u9891\u91c7\u96c61.1 \u91c7\u96c6\u8bbe\u5907\u4e0e\u63a5\u53e31.2 \u8272\u5f69\u7a7a\u95f4\u4e0e\u683c\u5f0f1.3 \u91c7\u96c6\u53c2\u6570\u4f18\u5316 Video Capture \u6982\u8ff0 \u89c6\u9891\u91c7\u96c6\u662f\u97f3\u89c6\u9891\u5904\u7406\u6d41\u7a0b\u7684\u7b2c&hellip;<\/p>\n","category_list":"<a href=\"https:\/\/ixriver.com\/?cat=28\" rel=\"category\">\u89c6\u9891<\/a>","author_info":{"name":"admin","url":"https:\/\/ixriver.com\/?author=1"},"comments_num":"0 comments","_links":{"self":[{"href":"https:\/\/ixriver.com\/index.php?rest_route=\/wp\/v2\/posts\/787"}],"collection":[{"href":"https:\/\/ixriver.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixriver.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixriver.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=787"}],"version-history":[{"count":0,"href":"https:\/\/ixriver.com\/index.php?rest_route=\/wp\/v2\/posts\/787\/revisions"}],"wp:attachment":[{"href":"https:\/\/ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}