{"id":785,"date":"2026-01-25T09:50:48","date_gmt":"2026-01-25T01:50:48","guid":{"rendered":"https:\/\/ixriver.com\/?p=785"},"modified":"2026-01-25T09:50:48","modified_gmt":"2026-01-25T01:50:48","slug":"%e8%a7%86%e9%a2%91%e5%a4%84%e7%90%86%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/p.ixriver.com\/?p=785","title":{"rendered":"\u89c6\u9891\u5904\u7406\u6982\u8ff0"},"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:\/\/p.ixriver.com\/?p=785\/#Video_Processing_Overview\" title=\"Video Processing Overview\">Video Processing Overview<\/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:\/\/p.ixriver.com\/?p=785\/#%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:\/\/p.ixriver.com\/?p=785\/#%E8%A7%86%E9%A2%91%E5%A4%84%E7%90%86%E7%AE%A1%E9%81%93\" title=\"\u89c6\u9891\u5904\u7406\u7ba1\u9053\">\u89c6\u9891\u5904\u7406\u7ba1\u9053<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/p.ixriver.com\/?p=785\/#%E6%96%87%E6%A1%A3%E7%9B%AE%E5%BD%95\" title=\"\u6587\u6863\u76ee\u5f55\">\u6587\u6863\u76ee\u5f55<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/p.ixriver.com\/?p=785\/#1_%E8%A7%86%E9%A2%91%E9%87%87%E9%9B%86_%E2%9C%85\" title=\"1. \u89c6\u9891\u91c7\u96c6 \u2705\">1. \u89c6\u9891\u91c7\u96c6 \u2705<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/p.ixriver.com\/?p=785\/#2_%E8%A7%86%E9%A2%91%E5%89%8D%E5%A4%84%E7%90%86_%E2%9A%A0%EF%B8%8F\" title=\"2. \u89c6\u9891\u524d\u5904\u7406 \u26a0\ufe0f\">2. \u89c6\u9891\u524d\u5904\u7406 \u26a0\ufe0f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/p.ixriver.com\/?p=785\/#3_%E8%A7%86%E9%A2%91%E7%BC%96%E7%A0%81_%E2%9C%85\" title=\"3. \u89c6\u9891\u7f16\u7801 \u2705\">3. \u89c6\u9891\u7f16\u7801 \u2705<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/p.ixriver.com\/?p=785\/#4_%E8%A7%86%E9%A2%91%E4%BC%A0%E8%BE%93_%E2%9C%85\" title=\"4. \u89c6\u9891\u4f20\u8f93 \u2705\">4. \u89c6\u9891\u4f20\u8f93 \u2705<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/p.ixriver.com\/?p=785\/#5_%E8%A7%86%E9%A2%91%E8%A7%A3%E7%A0%81_%E2%9C%85\" title=\"5. \u89c6\u9891\u89e3\u7801 \u2705\">5. \u89c6\u9891\u89e3\u7801 \u2705<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/p.ixriver.com\/?p=785\/#6_%E8%A7%86%E9%A2%91%E6%B8%B2%E6%9F%93%E6%92%AD%E6%94%BE_%E2%9C%85\" title=\"6. \u89c6\u9891\u6e32\u67d3\u64ad\u653e \u2705\">6. \u89c6\u9891\u6e32\u67d3\u64ad\u653e \u2705<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/p.ixriver.com\/?p=785\/#7_%E5%85%B6%E4%BB%96%E8%A7%86%E9%A2%91%E5%A4%84%E7%90%86%E6%8A%80%E6%9C%AF_%E2%9A%A0%EF%B8%8F\" title=\"7. \u5176\u4ed6\u89c6\u9891\u5904\u7406\u6280\u672f \u26a0\ufe0f\">7. \u5176\u4ed6\u89c6\u9891\u5904\u7406\u6280\u672f \u26a0\ufe0f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/p.ixriver.com\/?p=785\/#%E6%96%87%E6%A1%A3%E7%8A%B6%E6%80%81%E8%AF%B4%E6%98%8E\" title=\"\u6587\u6863\u72b6\u6001\u8bf4\u660e\">\u6587\u6863\u72b6\u6001\u8bf4\u660e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/p.ixriver.com\/?p=785\/#%E5%BF%AB%E9%80%9F%E5%AF%BC%E8%88%AA\" title=\"\u5feb\u901f\u5bfc\u822a\">\u5feb\u901f\u5bfc\u822a<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/p.ixriver.com\/?p=785\/#%E6%8C%89%E4%BD%BF%E7%94%A8%E5%9C%BA%E6%99%AF%E6%9F%A5%E6%89%BE\" title=\"\u6309\u4f7f\u7528\u573a\u666f\u67e5\u627e\">\u6309\u4f7f\u7528\u573a\u666f\u67e5\u627e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/p.ixriver.com\/?p=785\/#%E6%8C%89%E6%8A%80%E6%9C%AF%E9%A2%86%E5%9F%9F%E6%9F%A5%E6%89%BE\" title=\"\u6309\u6280\u672f\u9886\u57df\u67e5\u627e\">\u6309\u6280\u672f\u9886\u57df\u67e5\u627e<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/p.ixriver.com\/?p=785\/#%E7%9B%B8%E5%85%B3%E8%B5%84%E6%BA%90\" title=\"\u76f8\u5173\u8d44\u6e90\">\u76f8\u5173\u8d44\u6e90<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/p.ixriver.com\/?p=785\/#%E4%B8%8A%E7%BA%A7%E7%9B%AE%E5%BD%95\" title=\"\u4e0a\u7ea7\u76ee\u5f55\">\u4e0a\u7ea7\u76ee\u5f55<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/p.ixriver.com\/?p=785\/#%E5%A4%96%E9%83%A8%E5%8F%82%E8%80%83\" title=\"\u5916\u90e8\u53c2\u8003\">\u5916\u90e8\u53c2\u8003<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/p.ixriver.com\/?p=785\/#%E6%96%87%E6%A1%A3%E7%BB%B4%E6%8A%A4\" title=\"\u6587\u6863\u7ef4\u62a4\">\u6587\u6863\u7ef4\u62a4<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"Video_Processing_Overview\"><\/span>Video Processing Overview<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>\u672c\u76ee\u5f55\u5305\u542b\u89c6\u9891\u5904\u7406\u5b8c\u6574\u6d41\u7a0b\u7684\u6280\u672f\u6587\u6863\uff0c\u6db5\u76d6\u4ece\u89c6\u9891\u91c7\u96c6\u5230\u6700\u7ec8\u6e32\u67d3\u64ad\u653e\u7684\u5404\u4e2a\u73af\u8282\u3002\u6587\u6863\u6309\u7167\u89c6\u9891\u5904\u7406\u7ba1\u9053\uff08Video Pipeline\uff09\u7684\u903b\u8f91\u987a\u5e8f\u7ec4\u7ec7\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E8%A7%86%E9%A2%91%E5%A4%84%E7%90%86%E7%AE%A1%E9%81%93\"><\/span>\u89c6\u9891\u5904\u7406\u7ba1\u9053<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u89c6\u9891\u5904\u7406\u7684\u5b8c\u6574\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<pre><code>\u91c7\u96c6 \u2192 \u524d\u5904\u7406 \u2192 \u7f16\u7801 \u2192 \u4f20\u8f93 \u2192 \u89e3\u7801 \u2192 \u6e32\u67d3 \u2192 \u5176\u4ed6\n<\/code><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"%E6%96%87%E6%A1%A3%E7%9B%AE%E5%BD%95\"><\/span>\u6587\u6863\u76ee\u5f55<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_%E8%A7%86%E9%A2%91%E9%87%87%E9%9B%86_%E2%9C%85\"><\/span>1. <a href=\".\/capture.md\">\u89c6\u9891\u91c7\u96c6<\/a> \u2705<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Video Capture<\/strong><\/p>\n<p>\u89c6\u9891\u5904\u7406\u7684\u7b2c\u4e00\u6b65\uff0c\u8d1f\u8d23\u4ece\u6444\u50cf\u5934\u7b49\u8bbe\u5907\u83b7\u53d6\u539f\u59cb\u89c6\u9891\u6570\u636e\u3002<\/p>\n<p><strong>\u4e3b\u8981\u5185\u5bb9\uff1a<\/strong><br \/>\n&#8211; \u91c7\u96c6\u8bbe\u5907\u4e0e\u63a5\u53e3\uff08USB\u3001MIPI\u3001HDMI\u3001IP Camera\uff09<br \/>\n&#8211; \u91c7\u96c6API\uff08V4L2\u3001AVFoundation\u3001DirectShow\u3001MediaDevices\u3001Camera2\uff09<br \/>\n&#8211; \u8272\u5f69\u7a7a\u95f4\u4e0e\u683c\u5f0f\uff08RGB\u3001YUV\u3001NV12\/NV21\u3001I420\/YV12\uff09<br \/>\n&#8211; YUV\u91c7\u6837\u65b9\u5f0f\uff084:4:4\u30014:2:2\u30014:2:0\uff09<br \/>\n&#8211; \u91c7\u96c6\u53c2\u6570\u4f18\u5316\uff08\u66dd\u5149\u3001\u767d\u5e73\u8861\u3001\u5bf9\u7126\u3001\u5e27\u7387\u81ea\u9002\u5e94\uff09<\/p>\n<p><strong>\u9002\u7528\u573a\u666f\uff1a<\/strong> \u6444\u50cf\u5934\u96c6\u6210\u3001\u89c6\u9891\u4f1a\u8bae\u3001\u76f4\u64ad\u63a8\u6d41\u3001\u76d1\u63a7\u7cfb\u7edf<\/p>\n<hr \/>\n<h3><span class=\"ez-toc-section\" id=\"2_%E8%A7%86%E9%A2%91%E5%89%8D%E5%A4%84%E7%90%86_%E2%9A%A0%EF%B8%8F\"><\/span>2. <a href=\".\/preprocessing.md\">\u89c6\u9891\u524d\u5904\u7406<\/a> \u26a0\ufe0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Video Preprocessing<\/strong><\/p>\n<p>\u5bf9\u91c7\u96c6\u5230\u7684\u539f\u59cb\u89c6\u9891\u8fdb\u884c\u9884\u5904\u7406\uff0c\u63d0\u5347\u89c6\u89c9\u8d28\u91cf\u6216\u6ee1\u8db3\u7279\u5b9a\u9700\u6c42\u3002<\/p>\n<p><strong>\u4e3b\u8981\u5185\u5bb9\uff1a<\/strong><br \/>\n&#8211; \u7f8e\u989c\u3001\u6ee4\u955c<br \/>\n&#8211; \u56fe\u50cf\u589e\u5f3a<br \/>\n&#8211; \u65cb\u8f6c\u548c\u88c1\u526a<br \/>\n&#8211; \u5176\u4ed6\u9884\u5904\u7406\u6280\u672f<\/p>\n<p><strong>\u72b6\u6001\uff1a<\/strong> \ud83d\udcdd \u5f85\u8865\u5145\u5185\u5bb9<\/p>\n<hr \/>\n<h3><span class=\"ez-toc-section\" id=\"3_%E8%A7%86%E9%A2%91%E7%BC%96%E7%A0%81_%E2%9C%85\"><\/span>3. <a href=\".\/encode.md\">\u89c6\u9891\u7f16\u7801<\/a> \u2705<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Video Encoding<\/strong><\/p>\n<p>\u5c06\u539f\u59cb\u89c6\u9891\u6570\u636e\u538b\u7f29\u4e3a\u7279\u5b9a\u683c\u5f0f\uff0c\u51cf\u5c11\u6570\u636e\u91cf\u548c\u4f20\u8f93\u5e26\u5bbd\u3002\u8fd9\u662f\u89c6\u9891\u5904\u7406\u4e2d\u6700\u6838\u5fc3\u7684\u73af\u8282\u4e4b\u4e00\u3002<\/p>\n<p><strong>\u4e3b\u8981\u5185\u5bb9\uff1a<\/strong><br \/>\n&#8211; \u7f16\u7801\u6807\u51c6\u6982\u8ff0\uff08H.264\/AVC\u3001H.265\/HEVC\u3001VP8\/VP9\u3001AV1\uff09<br \/>\n&#8211; \u7f16\u7801\u6838\u5fc3\u6982\u5ff5\uff08I\/P\/B\u5e27\u3001GOP\u7ed3\u6784\u3001QP\/CRF\/Preset\uff09<br \/>\n&#8211; SVC\u53ef\u4f38\u7f29\u7f16\u7801\uff08\u65f6\u57df\/\u7a7a\u57df\/\u8d28\u91cf\u53ef\u4f38\u7f29\u6027\uff09<br \/>\n&#8211; \u7f16\u7801\u65b9\u5f0f\u5bf9\u6bd4<br \/>\n&#8211; \u7801\u7387\u63a7\u5236\u6a21\u5f0f\u8be6\u89e3\uff08CBR\u3001VBR\u3001ABR\u3001CRF\uff09<br \/>\n&#8211; \u7f16\u7801\u53c2\u6570\u8be6\u89e3\uff08QP\u3001CRF\u3001Preset\u7684\u53d6\u503c\u548c\u4f7f\u7528\u573a\u666f\uff09<br \/>\n&#8211; \u786c\u4ef6\u7f16\u7801\u652f\u6301\uff08NVENC\u3001QSV\u3001VideoToolbox\u3001MediaCodec\uff09<br \/>\n&#8211; H.264\/AVC\u8be6\u89e3<br \/>\n&#8211; H.265\/HEVC\u8be6\u89e3<br \/>\n&#8211; H.264 vs H.265 \u7efc\u5408\u5bf9\u6bd4<\/p>\n<p><strong>\u9002\u7528\u573a\u666f\uff1a<\/strong> \u89c6\u9891\u4f1a\u8bae\u3001\u76f4\u64ad\u3001\u70b9\u64ad\u3001\u89c6\u9891\u5b58\u50a8\u3001\u6d41\u5a92\u4f53\u670d\u52a1<\/p>\n<hr \/>\n<h3><span class=\"ez-toc-section\" id=\"4_%E8%A7%86%E9%A2%91%E4%BC%A0%E8%BE%93_%E2%9C%85\"><\/span>4. <a href=\".\/transport.md\">\u89c6\u9891\u4f20\u8f93<\/a> \u2705<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Video Transport<\/strong><\/p>\n<p>\u5c06\u7f16\u7801\u540e\u7684\u89c6\u9891\u6570\u636e\u901a\u8fc7\u7f51\u7edc\u4f20\u8f93\u5230\u63a5\u6536\u7aef\u3002<\/p>\n<p><strong>\u4e3b\u8981\u5185\u5bb9\uff1a<\/strong><br \/>\n&#8211; \u4f20\u8f93\u534f\u8bae\uff08RTP\/RTCP\u3001RTMP\u3001WebRTC\u3001HLS\u3001DASH\uff09<br \/>\n&#8211; \u4f20\u8f93\u673a\u5236<br \/>\n  &#8211; \u5206\u5305\u4e0e\u91cd\u7ec4<br \/>\n  &#8211; \u4e22\u5305\u91cd\u4f20\uff08ARQ vs FEC\uff09<br \/>\n    &#8211; ARQ\u65b9\u6848\uff1aStop-and-Wait\u3001Go-Back-N\u3001Selective Repeat<br \/>\n    &#8211; \u4e1a\u754cARQ\u5b9e\u73b0\uff1aRTP NACK\u3001RTX\u3001RED<br \/>\n    &#8211; FEC\u65b9\u6848\uff1a\u5757FEC\u3001\u5377\u79efFEC<br \/>\n    &#8211; \u4e1a\u754cFEC\u5b9e\u73b0\uff1aULPFEC\u3001Reed-Solomon\u3001RaptorQ\u3001FlexFEC<br \/>\n    &#8211; \u6df7\u5408\u65b9\u6848\uff1aARQ + FEC \u7ec4\u5408\u3001\u5206\u5c42FEC<br \/>\n  &#8211; \u62e5\u585e\u63a7\u5236<br \/>\n  &#8211; QoS\u4fdd\u969c<br \/>\n&#8211; \u4f20\u8f93\u4f18\u5316<br \/>\n  &#8211; \u81ea\u9002\u5e94\u7801\u7387\uff08ABR\uff09<br \/>\n  &#8211; \u7f51\u7edc\u72b6\u6001\u68c0\u6d4b<br \/>\n  &#8211; \u7f13\u51b2\u7b56\u7565<\/p>\n<p><strong>\u9002\u7528\u573a\u666f\uff1a<\/strong> \u5b9e\u65f6\u901a\u4fe1\u3001\u76f4\u64ad\u63a8\u6d41\u3001CDN\u5206\u53d1\u3001\u89c6\u9891\u4f1a\u8bae<\/p>\n<hr \/>\n<h3><span class=\"ez-toc-section\" id=\"5_%E8%A7%86%E9%A2%91%E8%A7%A3%E7%A0%81_%E2%9C%85\"><\/span>5. <a href=\".\/decode.md\">\u89c6\u9891\u89e3\u7801<\/a> \u2705<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Video Decoding<\/strong><\/p>\n<p>\u5c06\u63a5\u6536\u5230\u7684\u538b\u7f29\u89c6\u9891\u6570\u636e\u8fd8\u539f\u4e3a\u539f\u59cb\u89c6\u9891\u5e27\u6570\u636e\u3002<\/p>\n<p><strong>\u4e3b\u8981\u5185\u5bb9\uff1a<\/strong><br \/>\n&#8211; \u89e3\u7801\u5668\u7c7b\u578b<br \/>\n  &#8211; \u8f6f\u4ef6\u89e3\u7801\u5668\uff08FFmpeg\/libavcodec\u3001libvpx\uff09<br \/>\n  &#8211; FFmpeg\u7ec4\u4ef6\u5173\u7cfb\u8bf4\u660e\uff08libavcodec\u3001libavformat\u3001libavfilter\u7b49\uff09<br \/>\n  &#8211; \u786c\u4ef6\u89e3\u7801\u5668\uff08DXVA2\u3001D3D11 Video\u3001VideoToolbox\u3001MediaCodec\u3001VDPAU\u3001VAAPI\uff09<br \/>\n&#8211; \u89e3\u7801\u6d41\u7a0b\uff08\u7801\u6d41\u89e3\u6790\u3001\u5e27\u91cd\u5efa\u3001\u9519\u8bef\u6062\u590d\uff09<br \/>\n&#8211; \u89e3\u7801\u4f18\u5316\uff08\u591a\u7ebf\u7a0b\u89e3\u7801\u3001\u786c\u4ef6\u52a0\u901f\u3001\u4f4e\u5ef6\u8fdf\u89e3\u7801\uff09<\/p>\n<p><strong>\u9002\u7528\u573a\u666f\uff1a<\/strong> \u89c6\u9891\u64ad\u653e\u5668\u3001\u89c6\u9891\u4f1a\u8bae\u3001\u76f4\u64ad\u62c9\u6d41<\/p>\n<hr \/>\n<h3><span class=\"ez-toc-section\" id=\"6_%E8%A7%86%E9%A2%91%E6%B8%B2%E6%9F%93%E6%92%AD%E6%94%BE_%E2%9C%85\"><\/span>6. <a href=\".\/render.md\">\u89c6\u9891\u6e32\u67d3\u64ad\u653e<\/a> \u2705<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Video Rendering<\/strong><\/p>\n<p>\u5c06\u89e3\u7801\u540e\u7684\u89c6\u9891\u5e27\u6570\u636e\u8f93\u51fa\u5230\u663e\u793a\u8bbe\u5907\uff08\u5c4f\u5e55\uff09\u8fdb\u884c\u663e\u793a\u3002<\/p>\n<p><strong>\u4e3b\u8981\u5185\u5bb9\uff1a<\/strong><br \/>\n&#8211; \u6e32\u67d3\u65b9\u5f0f<br \/>\n  &#8211; OpenGL\/OpenGL ES\u6e32\u67d3<br \/>\n  &#8211; DirectX\/Vulkan\u6e32\u67d3<br \/>\n  &#8211; \u5e73\u53f0\u539f\u751f\u6e32\u67d3\uff08Metal\u3001EGL\uff09<br \/>\n&#8211; \u6e32\u67d3\u4f18\u5316<br \/>\n  &#8211; \u591a\u7ebf\u7a0b\u6e32\u67d3<br \/>\n  &#8211; \u5e27\u540c\u6b65\uff08VSync\uff09<br \/>\n  &#8211; \u753b\u9762\u7f29\u653e\u4e0e\u88c1\u526a<br \/>\n&#8211; \u64ad\u653e\u63a7\u5236<br \/>\n  &#8211; \u64ad\u653e\/\u6682\u505c\/\u505c\u6b62<br \/>\n  &#8211; Seek\u5b9a\u4f4d<br \/>\n  &#8211; \u64ad\u653e\u901f\u5ea6\u63a7\u5236<\/p>\n<p><strong>\u9002\u7528\u573a\u666f\uff1a<\/strong> \u89c6\u9891\u64ad\u653e\u5668\u3001\u5b9e\u65f6\u9884\u89c8\u3001\u76f4\u64ad\u89c2\u770b<\/p>\n<hr \/>\n<h3><span class=\"ez-toc-section\" id=\"7_%E5%85%B6%E4%BB%96%E8%A7%86%E9%A2%91%E5%A4%84%E7%90%86%E6%8A%80%E6%9C%AF_%E2%9A%A0%EF%B8%8F\"><\/span>7. <a href=\".\/other.md\">\u5176\u4ed6\u89c6\u9891\u5904\u7406\u6280\u672f<\/a> \u26a0\ufe0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Other Video Processing<\/strong><\/p>\n<p>\u89c6\u9891\u5904\u7406\u7684\u5176\u4ed6\u76f8\u5173\u6280\u672f\u3001\u5de5\u5177\u548c\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<p><strong>\u4e3b\u8981\u5185\u5bb9\uff1a<\/strong><br \/>\n&#8211; \u5f85\u8865\u5145<\/p>\n<p><strong>\u72b6\u6001\uff1a<\/strong> \ud83d\udcdd \u5f85\u8865\u5145\u5185\u5bb9<\/p>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"%E6%96%87%E6%A1%A3%E7%8A%B6%E6%80%81%E8%AF%B4%E6%98%8E\"><\/span>\u6587\u6863\u72b6\u6001\u8bf4\u660e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\u2705 <strong>\u5b8c\u6574\u6587\u6863<\/strong>\uff1a\u5185\u5bb9\u5df2\u5b8c\u5584\uff0c\u53ef\u76f4\u63a5\u53c2\u8003\u4f7f\u7528<\/li>\n<li>\u26a0\ufe0f <strong>\u5f85\u8865\u5145<\/strong>\uff1a\u6587\u6863\u6846\u67b6\u5df2\u5efa\u7acb\uff0c\u4f46\u5185\u5bb9\u5c1a\u672a\u5b8c\u5584<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%E5%BF%AB%E9%80%9F%E5%AF%BC%E8%88%AA\"><\/span>\u5feb\u901f\u5bfc\u822a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%E6%8C%89%E4%BD%BF%E7%94%A8%E5%9C%BA%E6%99%AF%E6%9F%A5%E6%89%BE\"><\/span>\u6309\u4f7f\u7528\u573a\u666f\u67e5\u627e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u89c6\u9891\u4f1a\u8bae\/\u5b9e\u65f6\u901a\u4fe1<\/strong><br \/>\n&#8211; <a href=\".\/capture.md\">\u89c6\u9891\u91c7\u96c6<\/a> \u2192 <a href=\".\/encode.md\">\u89c6\u9891\u7f16\u7801<\/a> \u2192 <a href=\".\/transport.md\">\u89c6\u9891\u4f20\u8f93<\/a> \u2192 <a href=\".\/decode.md\">\u89c6\u9891\u89e3\u7801<\/a> \u2192 <a href=\".\/render.md\">\u89c6\u9891\u6e32\u67d3<\/a><\/p>\n<p><strong>\u76f4\u64ad\u63a8\u6d41<\/strong><br \/>\n&#8211; <a href=\".\/capture.md\">\u89c6\u9891\u91c7\u96c6<\/a> \u2192 <a href=\".\/preprocessing.md\">\u89c6\u9891\u524d\u5904\u7406<\/a> \u2192 <a href=\".\/encode.md\">\u89c6\u9891\u7f16\u7801<\/a> \u2192 <a href=\".\/transport.md\">\u89c6\u9891\u4f20\u8f93<\/a><\/p>\n<p><strong>\u70b9\u64ad\/\u64ad\u653e\u5668<\/strong><br \/>\n&#8211; <a href=\".\/transport.md\">\u89c6\u9891\u4f20\u8f93<\/a> \u2192 <a href=\".\/decode.md\">\u89c6\u9891\u89e3\u7801<\/a> \u2192 <a href=\".\/render.md\">\u89c6\u9891\u6e32\u67d3<\/a><\/p>\n<p><strong>\u89c6\u9891\u8f6c\u7801<\/strong><br \/>\n&#8211; <a href=\".\/decode.md\">\u89c6\u9891\u89e3\u7801<\/a> \u2192 <a href=\".\/encode.md\">\u89c6\u9891\u7f16\u7801<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E6%8C%89%E6%8A%80%E6%9C%AF%E9%A2%86%E5%9F%9F%E6%9F%A5%E6%89%BE\"><\/span>\u6309\u6280\u672f\u9886\u57df\u67e5\u627e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u7f16\u89e3\u7801\u6280\u672f<\/strong><br \/>\n&#8211; <a href=\".\/encode.md\">\u89c6\u9891\u7f16\u7801<\/a>\uff1aH.264\u3001H.265\u3001VP9\u3001AV1\u7b49\u7f16\u7801\u6807\u51c6<br \/>\n&#8211; <a href=\".\/decode.md\">\u89c6\u9891\u89e3\u7801<\/a>\uff1a\u8f6f\u4ef6\/\u786c\u4ef6\u89e3\u7801\u5668\u3001FFmpeg<\/p>\n<p><strong>\u7f51\u7edc\u4f20\u8f93<\/strong><br \/>\n&#8211; <a href=\".\/transport.md\">\u89c6\u9891\u4f20\u8f93<\/a>\uff1aRTP\u3001WebRTC\u3001HLS\u3001\u4e22\u5305\u6062\u590d<\/p>\n<p><strong>\u56fe\u5f62\u6e32\u67d3<\/strong><br \/>\n&#8211; <a href=\".\/render.md\">\u89c6\u9891\u6e32\u67d3<\/a>\uff1aOpenGL\u3001DirectX\u3001Vulkan\u3001Metal<\/p>\n<p><strong>\u786c\u4ef6\u52a0\u901f<\/strong><br \/>\n&#8211; <a href=\".\/encode.md\">\u89c6\u9891\u7f16\u7801<\/a> \u2192 3.7 \u786c\u4ef6\u7f16\u7801\u652f\u6301<br \/>\n&#8211; <a href=\".\/decode.md\">\u89c6\u9891\u89e3\u7801<\/a> \u2192 5.1 \u786c\u4ef6\u89e3\u7801\u5668<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E7%9B%B8%E5%85%B3%E8%B5%84%E6%BA%90\"><\/span>\u76f8\u5173\u8d44\u6e90<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%E4%B8%8A%E7%BA%A7%E7%9B%AE%E5%BD%95\"><\/span>\u4e0a\u7ea7\u76ee\u5f55<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><a href=\"..\/business\/av_overview.md\">\u97f3\u89c6\u9891\u4e1a\u52a1\u603b\u89c8<\/a>\uff1a\u97f3\u89c6\u9891\u4e1a\u52a1\u5c42\u9762\u7684\u5b8c\u6574\u4ecb\u7ecd<\/li>\n<li><a href=\"..\/audio\/\">\u97f3\u9891\u5904\u7406<\/a>\uff1a\u97f3\u9891\u76f8\u5173\u6280\u672f\u6587\u6863<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%E5%A4%96%E9%83%A8%E5%8F%82%E8%80%83\"><\/span>\u5916\u90e8\u53c2\u8003<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>FFmpeg\u5b98\u65b9\u6587\u6863\uff1ahttps:\/\/ffmpeg.org\/documentation.html<\/li>\n<li>WebRTC\u6807\u51c6\uff1ahttps:\/\/webrtc.org\/<\/li>\n<li>H.264\/AVC\u6807\u51c6\uff1aITU-T H.264 | ISO\/IEC 14496-10<\/li>\n<li>H.265\/HEVC\u6807\u51c6\uff1aITU-T H.265 | ISO\/IEC 23008-2<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%E6%96%87%E6%A1%A3%E7%BB%B4%E6%8A%A4\"><\/span>\u6587\u6863\u7ef4\u62a4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5982\u9700\u66f4\u65b0\u6216\u8865\u5145\u6587\u6863\u5185\u5bb9\uff0c\u8bf7\u786e\u4fdd\uff1a<br \/>\n1. \u9075\u5faa\u73b0\u6709\u7684\u6587\u6863\u7ed3\u6784\u548c\u683c\u5f0f<br \/>\n2. \u4fdd\u6301\u7ae0\u8282\u7f16\u53f7\u7684\u4e00\u81f4\u6027\uff08\u4e0e\u89c6\u9891\u5904\u7406\u7ba1\u9053\u987a\u5e8f\u5bf9\u5e94\uff09<br \/>\n3. \u66f4\u65b0\u672coverview\u6587\u6863\u4e2d\u7684\u76f8\u5e94\u63cf\u8ff0<br \/>\n4. \u6dfb\u52a0\u5b9e\u9645\u5e94\u7528\u573a\u666f\u548c\u4ee3\u7801\u793a\u4f8b<\/p>\n<hr \/>\n<p>\u6700\u540e\u66f4\u65b0\uff1a2026-01-20<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Video Processing Overview \u6982\u8ff0 \u672c\u76ee\u5f55\u5305\u542b\u89c6\u9891\u5904\u7406\u5b8c\u6574\u6d41\u7a0b\u7684\u6280\u672f\u6587\u6863\uff0c\u6db5\u76d6\u4ece\u89c6\u9891\u91c7\u96c6 [&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 Processing Overview\u6982\u8ff0\u89c6\u9891\u5904\u7406\u7ba1\u9053\u6587\u6863\u76ee\u5f551. \u89c6\u9891\u91c7\u96c6 \u27052. \u89c6\u9891\u524d\u5904\u7406 \u26a0\ufe0f3. \u89c6\u9891\u7f16\u7801 \u27054. \u89c6\u9891\u4f20\u8f93 \u27055. \u89c6\u9891\u89e3\u7801 \u27056. \u89c6\u9891\u6e32&hellip;<\/p>\n","category_list":"<a href=\"https:\/\/p.ixriver.com\/?cat=28\" rel=\"category\">\u89c6\u9891<\/a>","author_info":{"name":"admin","url":"https:\/\/p.ixriver.com\/?author=1"},"comments_num":"0 comments","_links":{"self":[{"href":"https:\/\/p.ixriver.com\/index.php?rest_route=\/wp\/v2\/posts\/785"}],"collection":[{"href":"https:\/\/p.ixriver.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/p.ixriver.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/p.ixriver.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/p.ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=785"}],"version-history":[{"count":0,"href":"https:\/\/p.ixriver.com\/index.php?rest_route=\/wp\/v2\/posts\/785\/revisions"}],"wp:attachment":[{"href":"https:\/\/p.ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/p.ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/p.ixriver.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}