Ma vid\u00e9o, enregistr\u00e9e avec VirtualBox, est au format 1280×800 mais l’image est entour\u00e9e de noir que je veux supprimer. La partie centrale qui m’int\u00e9resse est au format 640×400. Je fais donc un crop centr\u00e9 :<\/p>\n
\r\nffmpeg -i input.webm -vf \"crop=640:400:320:200\" -c:a copy output.webm\r\n\r\nPour une meilleure qualit\u00e9 :\r\n\r\nffmpeg -i input.webm -vf \"crop=640:400:320:200\" -c:v libvpx-vp9 -crf 15 -b:v 0 -c:a copy output.webm\r\n\r\nffmpeg -i input.webm \\\r\n-vf \"crop=640:400:320:200\" \\\r\n-c:v libx264 \\\r\n-crf 16 \\\r\n-preset slow \\\r\n-pix_fmt yuv420p \\\r\n-c:a aac -b:a 192k \\\r\n-movflags +faststart \\\r\noutput.mp4\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"Ma vid\u00e9o, enregistr\u00e9e avec VirtualBox, est au format 1280×800 mais l’image est entour\u00e9e de noir que je veux supprimer. La partie centrale qui m’int\u00e9resse est au format 640×400. Je fais donc un crop centr\u00e9 : ffmpeg -i input.webm -vf \u00ab\u00a0crop=640:400:320:200\u00a0\u00bb -c:a copy output.webm Pour une meilleure qualit\u00e9 : ffmpeg -i input.webm -vf \u00ab\u00a0crop=640:400:320:200\u00a0\u00bb -c:v libvpx-vp9 … Continuer la lecture de « Rogner une vid\u00e9o VirtualBox »<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,5,60],"tags":[],"class_list":["post-7470","post","type-post","status-publish","format-standard","hentry","category-debian","category-tutoriels","category-video"],"_links":{"self":[{"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/posts\/7470"}],"collection":[{"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/comments?post=7470"}],"version-history":[{"count":6,"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/posts\/7470\/revisions"}],"predecessor-version":[{"id":7489,"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/posts\/7470\/revisions\/7489"}],"wp:attachment":[{"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/media?parent=7470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/categories?post=7470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/entropie.org\/3615\/index.php\/wp-json\/wp\/v2\/tags?post=7470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}