{"id":483,"date":"2009-12-30T00:24:24","date_gmt":"2009-12-29T22:24:24","guid":{"rendered":"http:\/\/guimi.net\/blogs\/hiparco\/?p=483"},"modified":"2012-06-18T10:42:52","modified_gmt":"2012-06-18T08:42:52","slug":"retocar-videos","status":"publish","type":"post","link":"http:\/\/guimi.net\/blogs\/hiparco\/retocar-videos\/","title":{"rendered":"Retocar videos"},"content":{"rendered":"<p>Para pasar v\u00eddeos en formato 3gp, habitual en algunos tel\u00e9fonos m\u00f3viles, al m\u00e1s est\u00e1ndar avi podemos hacer:<br \/>\n<font class=\"codigo\">$ ffmpeg -i videoIn.3gp -f avi -vcodec xvid -acodec mp3 -ar 22050 videoOut.avi<\/font><\/p>\n<p>Y al contrario para pasar v\u00eddeos a formato 3gp, por ejemplo desde flv, t\u00edpico de internet:<br \/>\n<font class=\"codigo\">$ ffmpeg -i videoIn.flv -vcodec libx264 -acodec libfaac videoOut.3gp<\/font><\/p>\n<p>Tambi\u00e9n nos puede interesar pasar archivos flv a avi:<br \/>\n<font class=\"codigo\">$ ffmpeg -i input.flv -vcodec libxvid -acodec copy output.avi<\/font><\/p>\n<p>Para rotar v\u00eddeos que hemos grabado con c\u00e1maras de fotos en modo vertical, en vez de horizontal, podemos hacer:<br \/>\n<font class=\"codigo\">$ mencoder -vf rotate=1 videoIn.avi -oac mp3lame -ovc lavc -o videoOut.avi<\/font><br \/>\no bien:<br \/>\n<font class=\"codigo\">$ mencoder -vf rotate=1,hqdn3d,eq=25:50 -oac pcm -ovc lavc videoIn.avi -o videoOut.avi<\/font><br \/>\nSi adem\u00e1s queremos a\u00f1adir bandas negras a los lados para que el v\u00eddeo resultante mantenga las proporciones de imagen de los v\u00eddeos horizontales podemos hacer:<br \/>\n<font class=\"codigo\">$ mencoder -vf rotate=2,expand=-176:0:88:0 -oac pcm -ovc lavc videoIn.mov -o videoOut.avi<\/font><\/p>\n<div class=\"keywords\"><b>video, mencoder, ffmpeg<\/b><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Para pasar v\u00eddeos en formato 3gp, habitual en algunos tel\u00e9fonos m\u00f3viles, al m\u00e1s est\u00e1ndar avi podemos hacer: $ ffmpeg -i videoIn.3gp -f avi -vcodec xvid -acodec mp3 -ar 22050 videoOut.avi Y al contrario para pasar v\u00eddeos a formato 3gp, por ejemplo desde flv, t\u00edpico de internet: $ ffmpeg -i videoIn.flv -vcodec libx264 -acodec libfaac videoOut.3gp [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27,22],"tags":[],"class_list":["post-483","post","type-post","status-publish","format-standard","hentry","category-multimedia","category-prompt"],"_links":{"self":[{"href":"http:\/\/guimi.net\/blogs\/hiparco\/wp-json\/wp\/v2\/posts\/483","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/guimi.net\/blogs\/hiparco\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/guimi.net\/blogs\/hiparco\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/guimi.net\/blogs\/hiparco\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/guimi.net\/blogs\/hiparco\/wp-json\/wp\/v2\/comments?post=483"}],"version-history":[{"count":6,"href":"http:\/\/guimi.net\/blogs\/hiparco\/wp-json\/wp\/v2\/posts\/483\/revisions"}],"predecessor-version":[{"id":1032,"href":"http:\/\/guimi.net\/blogs\/hiparco\/wp-json\/wp\/v2\/posts\/483\/revisions\/1032"}],"wp:attachment":[{"href":"http:\/\/guimi.net\/blogs\/hiparco\/wp-json\/wp\/v2\/media?parent=483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/guimi.net\/blogs\/hiparco\/wp-json\/wp\/v2\/categories?post=483"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/guimi.net\/blogs\/hiparco\/wp-json\/wp\/v2\/tags?post=483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}