{"id":216,"date":"2021-07-11T17:47:29","date_gmt":"2021-07-11T09:47:29","guid":{"rendered":"https:\/\/blog.cauchyschwarz.com\/?p=216"},"modified":"2021-07-13T02:11:03","modified_gmt":"2021-07-12T18:11:03","slug":"h264%e4%b8%8eh265%e6%a0%87%e5%87%86","status":"publish","type":"post","link":"https:\/\/blog.cauchyschwarz.com\/?p=216","title":{"rendered":"h264\u4e0eh265\u6807\u51c6"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69d4d512c8591\" class=\"ez-toc-cssicon-toggle-label\"><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><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69d4d512c8591\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=216\/#h264%E7%BC%96%E7%A0%81\" >h264\u7f16\u7801<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=216\/#%E4%B8%BA%E4%BB%80%E4%B9%88h265%E6%AF%94h264%E6%8B%A5%E6%9C%89%E6%9B%B4%E9%AB%98%E7%9A%84%E5%8E%8B%E7%BC%A9%E7%8E%87\" >\u4e3a\u4ec0\u4e48h265\u6bd4h264\u62e5\u6709\u66f4\u9ad8\u7684\u538b\u7f29\u7387<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=216\/#h264%E7%9A%84%E5%87%A0%E4%B8%AA%E4%B8%8D%E5%B8%B8%E7%94%A8%E7%89%B9%E6%80%A7%E6%89%A9%E5%B1%95\" >h264\u7684\u51e0\u4e2a\u4e0d\u5e38\u7528\u7279\u6027\/\u6269\u5c55<\/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:\/\/blog.cauchyschwarz.com\/?p=216\/#%E5%B8%A7%E5%86%85%E5%88%B7%E6%96%B0%E6%8A%80%E6%9C%AF\" >\u5e27\u5185\u5237\u65b0\u6280\u672f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=216\/#LTR\" >LTR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=216\/#SVC\" >SVC<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"h264%E7%BC%96%E7%A0%81\"><\/span>h264\u7f16\u7801<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/blog.csdn.net\/crystalshaw\/category_9281311.html\">https:\/\/blog.csdn.net\/crystalshaw\/category_9281311.html<\/a><\/p>\n\n\n\n<p>\u57fa\u672c\u6982\u5ff5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>slice<\/strong> h264\u7f16\u7801\u53ef\u4ee5\u5c06\u4e00\u5e45\u56fe\u7247\u5206\u5272\u6210\u82e5\u5e72\u548cSlice\uff0cSlice\u627f\u8f7d\u56fa\u5b9a\u4e2a\u6570\u4e2a\u5b8f\u5757\u3002\u5c06\u4e00\u5e45\u56fe\u7247\u5206\u5272\u6210\u82e5\u5e72Slice\u7684\u76ee\u7684\u662f\uff0c\u4e3a\u9650\u5236\u8bef\u7801\u7684\u6269\u6563\u548c\u4f20\u8f93\u3002\u5728H264\u7f16\u7801\u534f\u8bae\u4e2d\u5b9a\u4e49\uff0c\u5f53\u524d\u5e27\u7684\u5f53\u524dSlice\u7247\u5185\u5b8f\u5757\u4e0d\u5141\u8bb8\u53c2\u8003\u5176\u4ed6Slice\u7684\u5b8f\u5757\u3002<\/li><li>\u5b8f\u5757<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%B8%BA%E4%BB%80%E4%B9%88h265%E6%AF%94h264%E6%8B%A5%E6%9C%89%E6%9B%B4%E9%AB%98%E7%9A%84%E5%8E%8B%E7%BC%A9%E7%8E%87\"><\/span>\u4e3a\u4ec0\u4e48h265\u6bd4h264\u62e5\u6709\u66f4\u9ad8\u7684\u538b\u7f29\u7387<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/tieba.baidu.com\/p\/6684608012?see_lz=1\">https:\/\/tieba.baidu.com\/p\/6684608012?see_lz=1<\/a><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>x265\u5c06\u56fe\u50cf\u5212\u5206\u4e3a\u201c\u6811\u7f16\u7801\u5355\u5143=coding tree units= CTU\u201d\uff0c\u800c\u4e0d\u662f\u50cfx264\u90a3\u6837\u768416\u00d716\u7684\u5b8f\u5757\u3002\u6839\u636e\u4e0d\u540c\u7684\u7f16\u7801\u8bbe\u7f6e\uff0c\u6811\u7f16\u7801\u5757\u7684\u5c3a\u5bf8\u53ef\u4ee5\u88ab\u8bbe\u7f6e\u4e3a64\u00d764\u621632\u00d732\u621616\u00d716\u3002\u5927\u91cf\u7684\u7814\u7a76\u90fd\u8868\u660e\u66f4\u5927\u7684\u6811\u7f16\u7801\u5757\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u538b\u7f29\u6548\u7387\uff0c\u4f46\u662f\u4e5f\u610f\u5473\u7740\u538b\u5236\u901f\u5ea6\u4f1a\u53d8\u5f97\u5de8\u6162\u65e0\u6bd4\u3002\u6bcf\u4e2a\u6811\u7f16\u7801\u5757\u53ef\u4ee5\u88ab\u9012\u5f52\u5206\u5272\uff0c\u5229\u7528\u56db\u53c9\u6811\u7ed3\u6784\uff0c\u5206\u5272\u4e3a32\u00d732\u300116\u00d716\u30018\u00d78\u7684\u5b50\u533a\u57df\uff0c\u4e0b\u56fe\u5c31\u662f\u4e00\u4e2a64\u00d764\u6811\u7f16\u7801\u5757\u7684\u5206\u533a\u793a\u4f8b\u3002\u6bcf\u4e2a\u56fe\u50cf\u8fdb\u4e00\u6b65\u88ab\u533a\u5206\u4e3a\u7279\u6b8a\u7684\u6811\u7f16\u7801\u5757\u7ec4\uff0c\u79f0\u4e4b\u4e3a\u5207\u5272\uff08Slices\uff09\u548c\u62fc\u8d34\uff08Tiles\uff09\u3002\u7f16\u7801\u6811\u5355\u5143\u662fx265\u7684\u57fa\u672c\u7f16\u7801\u5355\u4f4d\uff0c\u5982\u540cH.264\u7684\u5b8f\u5757\u3002\u7f16\u7801\u6811\u5355\u5143\u53ef\u5411\u4e0b\u5206\u6210\u7f16\u7801\u5355\u5143=Coding Unit=CU\uff09\u3001\u9884\u6d4b\u5355\u5143=Prediction Unit=PU\uff09\u53ca\u8f6c\u6362\u5355\u5143=Transform Unit=TU\u3002<\/strong><\/p><\/blockquote>\n\n\n\n<ul class=\"wp-block-list\"><li>\u66f4\u5927\u7684&#8221;\u5b8f\u5757&#8221;\uff0ch265\u652f\u630164&#215;64\uff0c\u800ch264\u6700\u5927\u53ea\u80fd\u652f\u630116&#215;16\uff0c&#8221;\u5b8f\u5757&#8221;\u66f4\u5927\uff0c\u538b\u7f29\u6548\u7387\u8d8a\u597d\uff1b<\/li><li>\u56db\u53c9\u6811\u7684\u7f16\u7801\u65b9\u5f0f\uff1b<\/li><li>\u9884\u6d4b\u5355\u5143\u66f4\u591a\uff1b<\/li><\/ul>\n\n\n\n<p>\u603b\u4e4b\u770b\u4e0b\u8be5\u8d34\u7684\u539f\u6587\u5427 \u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"h264%E7%9A%84%E5%87%A0%E4%B8%AA%E4%B8%8D%E5%B8%B8%E7%94%A8%E7%89%B9%E6%80%A7%E6%89%A9%E5%B1%95\"><\/span>h264\u7684\u51e0\u4e2a\u4e0d\u5e38\u7528\u7279\u6027\/\u6269\u5c55<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/blog.csdn.net\/FPGATOM\/article\/details\/109256006\">https:\/\/blog.csdn.net\/FPGATOM\/article\/details\/109256006<\/a><\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>intra-refresh \u5e27\u5185\u5237\u65b0\u6280\u672f<\/li><li>\u957f\u53c2\u8003\u5e27\u7f16\u7801\u6280\u672f(Long-Term Reference, LTR) https:\/\/software.intel.com\/content\/www\/us\/en\/develop\/articles\/improve-encoding-efficiency-and-video-quality-with-adaptive-ltr.html<\/li><li>SVC,\u53ea\u6709\u601d\u79d1\u7684openh264\u7f16\u7801\u5668\u5b9e\u73b0\u4e86SVC<\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%B8%A7%E5%86%85%E5%88%B7%E6%96%B0%E6%8A%80%E6%9C%AF\"><\/span>\u5e27\u5185\u5237\u65b0\u6280\u672f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/blog.csdn.net\/dxpqxb\/article\/details\/114373606\">https:\/\/blog.csdn.net\/dxpqxb\/article\/details\/114373606<\/a><\/p>\n\n\n\n<p>\u9664\u4e86\u7b2c\u4e00\u5e27\u4e3aI\u5e27\uff0c\u540e\u9762\u7684\u5168\u662fP\u5e27\u3002\u540e\u9762\u7684\u6bcf\u4e2aP\u5e27\u5185\u90e8\u90fd\u6709\u4e00\u4e2a\u5e27\u5185\u5237\u65b0\u6761\uff0c\u5e27\u5185\u5237\u65b0\u6761\u4f7f\u7528\u5e27\u5185\u9884\u6d4b\u8fdb\u884c\u7f16\u7801\uff0c\u76f8\u5f53\u4e8e\u8be5\u5e27\u5185\u5237\u65b0\u6761\u53ef\u4ee5\u72ec\u7acb\u8fdb\u884c\u89e3\u7801\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u4f7f\u7528IPPP&#8230;IPPP&#8230;\u8fd9\u79cd\u65b9\u5f0f\u7f16\u7801\u65f6\uff0c\u6bcf\u4e2aI\u5e27\u6570\u636e\u91cf\u5927\uff0cP\u5e27\u6570\u636e\u91cf\u5c11\uff0c\u7801\u7387\u6296\u52a8\u5927\uff0c\u800c\u4e14\u6bcf\u4e2aI\u5e27\u5fc5\u987b\u4f20\u8f93\u5b8c\u89e3\u7801\u5668\u7aef\u624d\u80fd\u8fdb\u884c\u89e3\u7801\uff0c\u5bfc\u81f4\u64ad\u653e\u5ef6\u65f6\u5927\u3002\u800c\u4f7f\u7528\u5e27\u5185\u5237\u65b0\u6280\u672f\u540e\uff0c\u4e0d\u518d\u5b58\u5728\u8fd9\u6837\u7684I\u5e27\uff0c\u53ea\u6709\u4f53\u79ef\u5927\u4e00\u70b9\u7684P\u5e27\uff0c\u56e0\u6b64\u7801\u7387\u66f4\u5e73\u7a33\uff0c\u5ef6\u8fdf\u66f4\u4f4e\u3002<\/li><li>\u867d\u7136\u53ea\u67091\u4e2aI\u5e27\uff0c\u4f46\u662f\u6bcf\u4e2aP\u5e27\u5185\u90e8\u90fd\u6709\u4e00\u4e2a\u5e27\u5185\u5237\u65b0\u6761\uff0c\u6240\u4ee5\u968f\u7740\u65f6\u95f4\u63a8\u79fb\uff0c\u53ef\u4ee5\u83b7\u53d6\u6240\u6709\u9700\u8981\u53c2\u8003\u7684\u5e27\u5185\u5237\u65b0\u6761\uff0c\u4ece\u800c\u6062\u590d\u89e3\u7801\u9519\u8bef\u3002<\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"LTR\"><\/span>LTR<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/software.intel.com\/content\/www\/us\/en\/develop\/articles\/improve-encoding-efficiency-and-video-quality-with-adaptive-ltr.html\">https:\/\/software.intel.com\/content\/www\/us\/en\/develop\/articles\/improve-encoding-efficiency-and-video-quality-with-adaptive-ltr.html<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SVC\"><\/span>SVC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4e09\u79cd\u5206\u7ea7\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u65f6\u57df\u5206\u7ea7<\/li><li>\u7a7a\u95f4\u5206\u7ea7<\/li><li>\u8d28\u91cf\u5206\u7ea7<\/li><\/ol>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>h264\u7f16\u7801 https:\/\/blog.csdn.net\/crystalshaw\/category_9281311.html \u57fa\u672c\u6982\u5ff5\uff1a slice h264\u7f16\u7801\u53ef\u4ee5\u5c06\u4e00\u5e45\u56fe\u7247\u5206\u5272\u6210\u82e5\u5e72\u548cSlice\uff0c&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[22],"class_list":["post-216","post","type-post","status-publish","format-standard","hentry","category-10","tag-22"],"_links":{"self":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/216","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=216"}],"version-history":[{"count":6,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/216\/revisions"}],"predecessor-version":[{"id":227,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=\/wp\/v2\/posts\/216\/revisions\/227"}],"wp:attachment":[{"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.cauchyschwarz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}