{"id":7468,"date":"2020-03-14T19:04:49","date_gmt":"2020-03-14T10:04:49","guid":{"rendered":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=7468"},"modified":"2020-03-21T20:13:15","modified_gmt":"2020-03-21T11:13:15","slug":"how-to-create-video-clips-used-for-my-future-codec-benchmarking-part-4","status":"publish","type":"post","link":"http:\/\/umezawa.dyndns.info\/wordpress\/?p=7468","title":{"rendered":"How to create video clips used for my future codec benchmarking (part 4)"},"content":{"rendered":"<p>(This article is English translation of <a href=\"http:\/\/umezawa.dyndns.info\/wordpress\/?p=7464\">Japanese version<\/a>)<\/p>\n<p>I have to create additional video clips for benchmarking because I have enhanced UQxx. The previous method is converting master clip to appropriate subsampling and bit depth by ffmpeg and converting format only by VirtualDub2. However, I think it is now bothoring, so now I convert master clip to required clip directly by VirtualDub2.<\/p>\n<p>Unfortunately, the recent version of VirtualDub2 is not able to output uncompressed YUV422P16\/YUV420P16 clips. I have to use a little old version (build 43073 or older) to do so. This behavior change is <a href=\"https:\/\/sourceforge.net\/p\/vdfiltermod\/tickets\/310\/#f109\">intended<\/a>. (An option to enable to output uncompressed clips those formats is added in build 44282)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(This article is English translation of Japanese version) I have to create additional video clips for benchmar [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,27],"tags":[],"class_list":["post-7468","post","type-post","status-publish","format-standard","hentry","category-ut-video-codec-suite","category-technology"],"_links":{"self":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7468"}],"version-history":[{"count":3,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7468\/revisions"}],"predecessor-version":[{"id":7477,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7468\/revisions\/7477"}],"wp:attachment":[{"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7468"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/umezawa.dyndns.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}