{"id":8517,"date":"2023-02-23T11:22:44","date_gmt":"2023-02-23T03:22:44","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=8517"},"modified":"2024-01-09T13:51:27","modified_gmt":"2024-01-09T05:51:27","slug":"rgb%e4%b8%8eyuv%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=8517","title":{"rendered":"\u50cf\u7d20\u683c\u5f0f-RGB\u4e0eYUV\u8be6\u89e3"},"content":{"rendered":"<p><a href=\"https:\/\/www.jianshu.com\/p\/4fa388739e05\">https:\/\/www.jianshu.com\/p\/4fa388739e05<\/a><\/p>\n<p><a href=\"https:\/\/blog.csdn.net\/andrexpert\/article\/details\/69267043\">https:\/\/blog.csdn.net\/andrexpert\/article\/details\/69267043<\/a><\/p>\n<p><a href=\"https:\/\/www.jianshu.com\/p\/bc013beb2e83\">https:\/\/www.jianshu.com\/p\/bc013beb2e83<\/a> (YUV\u7684\u91c7\u6837\u4e0e\u683c\u5f0f)<br \/>\n<a href=\"https:\/\/www.elecfans.com\/d\/2154050.html\">https:\/\/www.elecfans.com\/d\/2154050.html<\/a><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_16 counter-hierarchy counter-decimal ez-toc-grey\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/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-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=8517\/#RGB\" title=\"RGB\">RGB<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=8517\/#YUV\" title=\"YUV\">YUV<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=8517\/#%E4%B8%80%E3%80%81%E9%87%87%E6%A0%B7%E6%96%B9%E5%BC%8F\" title=\"\u4e00\u3001\u91c7\u6837\u65b9\u5f0f\">\u4e00\u3001\u91c7\u6837\u65b9\u5f0f<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=8517\/#%E4%BA%8C%E3%80%81%E5%AD%98%E5%82%A8%E6%A0%BC%E5%BC%8F\" title=\"\u4e8c\u3001\u5b58\u50a8\u683c\u5f0f\">\u4e8c\u3001\u5b58\u50a8\u683c\u5f0f<\/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=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=8517\/#1%E5%B9%B3%E9%9D%A2%E6%A8%A1%E5%BC%8F\" title=\"1.\u5e73\u9762\u6a21\u5f0f\">1.\u5e73\u9762\u6a21\u5f0f<\/a><ul class=\"ez-toc-list-level-5\"><li class=\"ez-toc-heading-level-5\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=8517\/#YUV420\" title=\"YUV420\">YUV420<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-5\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=8517\/#YUV420SP\" title=\"YUV420SP\">YUV420SP<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"RGB\"><\/span>RGB<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/blog.csdn.net\/jisuanji111111\/article\/details\/120737874\">https:\/\/blog.csdn.net\/jisuanji111111\/article\/details\/120737874<\/a><\/p>\n<p>RGB \u56fe\u50cf\u4e2d\uff0c\u6bcf\u4e2a\u50cf\u7d20\u70b9\u90fd\u6709\u7ea2\u3001\u7eff\u3001\u84dd\u4e09\u4e2a\u539f\u8272\uff0c\u5176\u4e2d\u6bcf\u79cd\u539f\u8272\u90fd\u5360\u7528 8 bit\uff0c\u4e5f\u5c31\u662f\u4e00\u4e2a\u5b57\u8282\uff0c\u90a3\u4e48\u4e00\u4e2a\u50cf\u7d20\u70b9\u4e5f\u5c31\u5360\u7528 24 bit\uff0c\u4e5f\u5c31\u662f\u4e09\u4e2a\u5b57\u8282\u3002<br \/>\n\u4e00\u5f20 1280 <em> 720 \u5927\u5c0f\u7684\u56fe\u7247\uff0c\u5c31\u5360\u7528 1280 <\/em> 720 * 3 \/ 1024 \/ 1024 = 2.63 MB \u5b58\u50a8\u7a7a\u95f4\u3002<\/p>\n<p><strong>\u6bcf\u4e2a\u50cf\u7d20\u70b9\u7684\u7a7a\u95f4\u5360\u7528\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\uff1a3\u5b57\u8282\u3002<\/strong><\/p>\n<blockquote>\n<p>RGBXXX<\/p>\n<\/blockquote>\n<p><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/547359303?utm_id=0\">https:\/\/zhuanlan.zhihu.com\/p\/547359303?utm_id=0<\/a> \uff08\u4e0d\u540cRGB\u7684\u5b58\u50a8\u683c\u5f0f\uff09<br \/>\n<a href=\"https:\/\/blog.csdn.net\/weixin_44030507\/article\/details\/131922861\">https:\/\/blog.csdn.net\/weixin_44030507\/article\/details\/131922861<\/a><br \/>\nRGB \u5219\u662f\u5bf9\u4f7f\u7528\u7684\u4f4d\u6570\u8fdb\u884c\u7f29\u51cf<br \/>\n\u4f8b\u5982\u5e38\u89c1\u7684 RGB888, RGB565 \u5c31\u662f\u901a\u8fc7\u51cf\u5c11\u6574\u4e2a\u5b58\u50a8\u7684\u4f4d\u6570\u6765\u51cf\u5c11\u50cf\u7d20\u70b9\u7684\u5b58\u50a8\u5927\u5c0f\u3002<\/p>\n<p><strong>RGB24<\/strong>, \u5373 RGB 888, \u6bcf\u4e2a\u5206\u91cf\u7528 8bit \u6765\u5b58\u50a8\uff0c\u5927\u5c0f\u4e3a 24bpp\u3002<br \/>\n<strong>RGB565<\/strong>, \u5373 R \u5206\u91cf\u5360\u636e 5 bit \uff0cG \u5206\u91cf\u5360 6 bit\uff0cB \u5206\u91cf\u5360 5 bit, \u5927\u5c0f\u4e3a 16 bpp \u3002<br \/>\n<strong>RGBA<\/strong>, \u5373\u5728\u539f\u6765\u7684 RGB \u5206\u91cf\u4e0a\u591a\u4e00\u4e2a A \uff08Alpha \uff09\u900f\u660e\u5ea6, \u5927\u5c0f\u4e3a 32 bpp\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"YUV\"><\/span>YUV<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/636871825?utm_id=0\">https:\/\/zhuanlan.zhihu.com\/p\/636871825?utm_id=0<\/a> (\u975e\u5e38\u6613\u4e8e\u7406\u89e3)<\/p>\n<p><a href=\"https:\/\/blog.csdn.net\/tyyj90\/article\/details\/127859411\">https:\/\/blog.csdn.net\/tyyj90\/article\/details\/127859411<\/a><br \/>\n<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/248120814\">https:\/\/zhuanlan.zhihu.com\/p\/248120814<\/a><\/p>\n<p>YUV \u989c\u8272\u7f16\u7801\u91c7\u7528\u7684\u662f \u660e\u4eae\u5ea6 \u548c \u8272\u5ea6 \u6765\u6307\u5b9a\u50cf\u7d20\u7684\u989c\u8272\u3002<br \/>\n\u5176\u4e2d\uff0cY \u8868\u793a\u660e\u4eae\u5ea6\uff08Luminance\u3001Luma\uff09\uff0c\u800c U \u548c V \u8868\u793a\u8272\u5ea6\uff08Chrominance\u3001Chroma\uff09\u3002<br \/>\n\u800c\u8272\u5ea6\u53c8\u5b9a\u4e49\u4e86\u989c\u8272\u7684\u4e24\u4e2a\u65b9\u9762\uff1a\u8272\u8c03\u548c\u9971\u548c\u5ea6\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E4%B8%80%E3%80%81%E9%87%87%E6%A0%B7%E6%96%B9%E5%BC%8F\"><\/span>\u4e00\u3001\u91c7\u6837\u65b9\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<pre><code class=\"language-bash\">YUV 4:4:4\u91c7\u6837\uff0c\u6bcf\u4e00\u4e2aY\u5bf9\u5e94\u4e00\u7ec4UV\u5206\u91cf,\u4e00\u4e2aYUV\u53608+8+8 = 24bits 3\u4e2a\u5b57\u8282\u3002\nYUV 4:2:2\u91c7\u6837\uff0c\u6bcf\u4e24\u4e2aY\u5171\u7528\u4e00\u7ec4UV\u5206\u91cf,\u4e00\u4e2aYUV\u53608+4+4 = 16bits 2\u4e2a\u5b57\u8282\u3002\nYUV 4:2:0\u91c7\u6837\uff0c\u6bcf\u56db\u4e2aY\u5171\u7528\u4e00\u7ec4UV\u5206\u91cf,\u4e00\u4e2aYUV\u53608+2+2 = 12bits 1.5\u4e2a\u5b57\u8282\u3002<\/code><\/pre>\n<ul>\n<li>\n<p>YUV444<br \/>\nY\u3001U\u3001V \u4e09\u4e2a\u5206\u91cf\u7684\u91c7\u6837\u6bd4\u4f8b\u76f8\u540c\uff0c\u8fd9\u65f6\u76f8\u540c\u5206\u8fa8\u7387\u7684\u56fe\u7247\u5927\u5c0f\u4e0eRGB\u683c\u5f0f\u7684\u56fe\u7247\u5927\u5c0f\u4e00\u81f4\u3002<\/p>\n<\/li>\n<li>\n<p>YUV422<\/p>\n<\/li>\n<li>\n<p>YUV420<br \/>\nYUV 4:2:0 \u91c7\u6837\u7684\u56fe\u50cf\u6bd4 RGB \u6a21\u578b\u56fe\u50cf\u8282\u7701\u4e86\u4e00\u534a\u7684\u5b58\u50a8\u7a7a\u95f4\uff0c\u56e0\u6b64\u5b83\u4e5f\u662f\u6bd4\u8f83\u4e3b\u6d41\u7684\u91c7\u6837\u65b9\u5f0f\u3002<\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%E4%BA%8C%E3%80%81%E5%AD%98%E5%82%A8%E6%A0%BC%E5%BC%8F\"><\/span>\u4e8c\u3001\u5b58\u50a8\u683c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/538459722\">https:\/\/zhuanlan.zhihu.com\/p\/538459722<\/a><br \/>\n<a href=\"https:\/\/wenku.baidu.com\/view\/3e95a1eb6c1aff00bed5b9f3f90f76c661374ce6.html?_wkts_=1704695140337&amp;needWelcomeRecommand=1\">https:\/\/wenku.baidu.com\/view\/3e95a1eb6c1aff00bed5b9f3f90f76c661374ce6.html?<em>wkts<\/em>=1704695140337&amp;needWelcomeRecommand=1<\/a><br \/>\n<a href=\"https:\/\/blog.csdn.net\/moon9999\/article\/details\/131990082\">https:\/\/blog.csdn.net\/moon9999\/article\/details\/131990082<\/a> \uff08*\uff09<br \/>\n<a href=\"https:\/\/blog.csdn.net\/u012117034\/article\/details\/124881416\">https:\/\/blog.csdn.net\/u012117034\/article\/details\/124881416<\/a><\/p>\n<p>YUV \u5728\u5b58\u50a8\u4e0a\u6309 YUV \u4e09\u4e2a\u5206\u91cf\u7684\u5b58\u50a8\u987a\u5e8f\u4e0d\u540c\u53ef\u4ee5\u5206\u4e3a\u4e09\u79cd\u683c\u5f0f\uff1a<\/p>\n<p><strong>Planar<\/strong> \u5e73\u9762\u683c\u5f0f\uff0c\u4e5f\u79f0\u4e3a\u4e09\u9762\u683c\u5f0f\uff0c\u5373 YUV \u4e09\u4e2a\u5206\u91cf\u5206\u522b\u6309\u987a\u5e8f\u4fdd\u5b58\uff0c\u4e00\u4e2a\u5e73\u9762\u5b58\u50a8\u4e00\u4e2a\u5206\u91cf<br \/>\n\u6bd4\u5982yuv444p\uff0c\u5c31\u662f\u5b57\u8282\u6570*1\/3\u90e8\u5206\u662fY\uff0c1\/3\u81f32\/3\u90e8\u5206\u662fU\uff0c2\/3\u81f33\/3\u90e8\u5206\u662fV.<\/p>\n<p><strong>Semi-Planar<\/strong> \u534a\u5e73\u9762\u683c\u5f0f\uff0c\u5373\u4e24\u4e2a\u5e73\u9762\uff0c\u4e00\u4e2a\u5e73\u9762\u5b58\u50a8 Y\uff0c\u53e6\u5916\u4e24\u4e2a\u5e73\u9762\u5b58\u50a8 UV \u5206\u91cf\u3002<br \/>\n<strong>Packed<\/strong> \u6253\u5305\u683c\u5f0f\uff0c\u53ea\u6709\u4e00\u4e2a\u5e73\u9762\uff0c\u6240\u6709\u4eae\u5ea6\uff08Y\uff09\u548c\u8272\u5ea6\uff08UV\uff09\u6570\u636e\u90fd\u4ea4\u7ec7\u5728\u4e00\u8d77\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"1%E5%B9%B3%E9%9D%A2%E6%A8%A1%E5%BC%8F\"><\/span>1.\u5e73\u9762\u6a21\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<h5><span class=\"ez-toc-section\" id=\"YUV420\"><\/span>YUV420<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>\u5206\u4e3aYU12\u548cYV12<\/p>\n<ul>\n<li>YU12<br \/>\n\u9996\u5148\u662f\u6240\u6709Y\u503c \uff0c\u7136\u540e\u662f\u6240\u6709U\u503c\uff0c\u6700\u540e\u662f\u6240\u6709V\u503c\u3002<\/li>\n<li>YV12<br \/>\n\u9996\u5148\u662f\u6240\u6709Y\u503c\uff0c\u7136\u540e\u662f\u6240\u6709V\u503c\uff0c\u6700\u540e\u662f\u6240\u6709U\u503c\u3002<\/li>\n<\/ul>\n<h5><span class=\"ez-toc-section\" id=\"YUV420SP\"><\/span>YUV420SP<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<ul>\n<li>NV21<br \/>\n\u5728Android Carmra\u4e2d\u624b\u673a\u4ece\u6444\u50cf\u5934\u91c7\u96c6\u7684\u9884\u89c8\u6570\u636e\u9ed8\u8ba4\u503c\u662fNV21\u3002<\/li>\n<\/ul>\n<p>\u5148\u5b58Y\u503c\uff0c\u518dVU\u4ea4\u66ff\u5b58\u50a8<\/p>\n<ul>\n<li>NV12<br \/>\n\u5148\u5b58Y\u503c\uff0c\u518dUV\u4ea4\u66ff\u5b58\u50a8<\/li>\n<\/ul>\n<button class=\"simplefavorite-button\" data-postid=\"8517\" 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>https:\/\/www.jianshu.com\/p\/4fa388739e05 https:\/\/blo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[652],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/8517"}],"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=8517"}],"version-history":[{"count":32,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/8517\/revisions"}],"predecessor-version":[{"id":11310,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/8517\/revisions\/11310"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8517"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}