{"id":3249,"date":"2015-12-12T10:45:25","date_gmt":"2015-12-12T02:45:25","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=3249"},"modified":"2015-12-12T10:45:25","modified_gmt":"2015-12-12T02:45:25","slug":"rvmedia-%e5%9c%a8%e6%8d%95%e8%8e%b7%e8%a7%86%e9%a2%91%e6%97%b6%e7%94%bb%e9%9d%a2%e4%b8%ad%e5%8f%a0%e5%8a%a0%e8%87%aa%e7%bb%98%e5%86%85%e5%ae%b9","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=3249","title":{"rendered":"[RVMedia] \u5728\u6355\u83b7\u89c6\u9891\u65f6\u753b\u9762\u4e2d\u53e0\u52a0\u81ea\u7ed8\u5185\u5bb9"},"content":{"rendered":"<p>RVCamViewer \u662f RVMedia \u8f93\u51fa\u89c6\u9891\u7684\u5bf9\u8c61\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e2a OnPaint \u4e8b\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5176\u4e2d\u63a7\u5236\u8981\u5448\u73b0\u7ed9\u7528\u6237\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u4e0b\u9762\u7684\u4f8b\u5b50\uff0c\u6211\u5c31\u5728\u753b\u9762\u7684\u53f3\u4e0a\u89d2\u5448\u73b0\u4e86\u5df2\u7ecf\u5f55\u5236\u7684\u65f6\u95f4\uff0c\u5176\u4e2d\u7528\u5230\u7684 RollupTime \u51fd\u6570\uff0c\u8bf7\u5230 QString.pas \u91cc\u627e\u3002<\/p>\n<pre class=\"lang:delphi decode:true\">procedure TfrmVideoRecord.RVCamView1Paint(Sender: TObject; VideoFrame: TBitmap;\r\nACanvas: TCanvas; var CanDrawFrame: Boolean);\r\nvar\r\n  S: String;\r\n  ARecordedTime: Cardinal;\r\n  R: TRect;\r\nbegin\r\n  R := RVCamView1.FrameRect;\r\n  ACanvas.StretchDraw(R, VideoFrame);\r\n  CanDrawFrame := False;\r\n  if FUsedTime &lt;&gt; 0 then\r\n  begin\r\n    ARecordedTime := GetTickCount - FUsedTime;\r\n    if ARecordedTime &gt;= 1000 then\r\n    begin\r\n      S := '\u5df2\u5f55\u5236\u65f6\u957f:' + RollupTime(ARecordedTime div 1000);\r\n      ACanvas.Brush.Style := bsClear;\r\n      ACanvas.TextRect(R, S, [tfRight]);\r\n    end;\r\n  end;\r\nend;<\/pre>\n<p>\u6700\u7ec8\u6548\u679c\uff1a<\/p>\n<p><a href=\"https:\/\/blog.qdac.cc\/wp-content\/uploads\/2015\/12\/rvoverlay.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-3250\" src=\"https:\/\/blog.qdac.cc\/wp-content\/uploads\/2015\/12\/rvoverlay.jpg\" alt=\"rvoverlay\" width=\"623\" height=\"140\" srcset=\"https:\/\/blog.qdac.cc\/wp-content\/uploads\/2015\/12\/rvoverlay.jpg 623w, https:\/\/blog.qdac.cc\/wp-content\/uploads\/2015\/12\/rvoverlay-300x67.jpg 300w\" sizes=\"auto, (max-width: 623px) 100vw, 623px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>RVCamViewer \u662f RVMedi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8,21],"tags":[504,510,511],"class_list":["post-3249","post","type-post","status-publish","format-standard","hentry","category-delphi","category-misc","tag-rvmedia","tag-510","tag-511"],"views":4492,"_links":{"self":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/3249","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3249"}],"version-history":[{"count":1,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/3249\/revisions"}],"predecessor-version":[{"id":3251,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/3249\/revisions\/3251"}],"wp:attachment":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}