\u25a0 \ub3d9\uc601\uc0c1 \ubcc0\ud658
\nffmpeg -y -i sample.avi -threads 0 -r 30 -sn -vcodec libx264 -preset medium -crf 23 -tune film -sws_flags lanczos -vf \"scale=-1:720\" -acodec libmp3lame -ac 2 -ab 128k -f mp4 output_sample.mp4
\n\ub3d9\uc601\uc0c1\uc758 \ub192\uc774720\uace0\uc815, 30\ud504\ub808\uc784\uc73c\ub85c \ubcc0\ud658\ud574\uc11c \uc800\uc7a5<\/p>\n
\u25a0 \ub3d9\uc601\uc0c1 \ubcc0\ud658 (\uc6a9\ub7c9 \uc904\uc77c \ub54c)
\nffmpeg -y -i sample.mp4 -threads 0 -r 25 -sn -vcodec libx264 -preset medium -crf 30 -tune film -sws_flags lanczos -vf \"scale=-1:720\" -acodec libmp3lame -ac 2 -ab 64k -f mp4 output_sample.mp4
\n-r\ub85c \ud504\ub808\uc784\uacfc -crf \uac12\uc744 \uc870\uc815\ud558\uc5ec \uc6a9\ub7c9\uc744 \uc904\uc778\ub2e4. (\ub514\ud3f4\ud2b8\ub294 23, \uac12\uc774 \ub0ae\uc744\uc218\ub85d \uace0\uc6a9\ub7c9)<\/p>\n
\u25a0 \uc624\ub514\uc624 \ud3ec\ub9f7 \ubcc0\ud658
\nffmpeg -i sample.ogg -b:a 320000 output_sample.mp3
\n320K MP3\ub85c \uc800\uc7a5<\/p>\n
\u25a0 \ub3d9\uc601\uc0c1\uc5d0\uc11c \uc624\ub514\uc624\ub9cc \ubf51\uc544\ub0b4\uae30
\nffmpeg -i sample.mov -vn output_sample.mp3
\nffmpeg -y -i sample.mov -vn -acodec libmp3lame -ac 2 -ab 192k -f mp3 \"\/output_dir\\%%~ni.mp3\"<\/p>\n
\u25a0 \uc774\ubbf8\uc9c0 \ub9ac\uc0ac\uc774\uc9d5
\nfmpeg -i sample.jpg -vf scale=-1:1024 output_sample.png<\/p>\n
\u25a0 \uc2a4\ud2b8\ub9bc \ub9ac\uc2a4\ud2b8 \ubc0f \uc5b8\uc5b4 \ubcf4\uae30
\nffprobe -loglevel error -show_streams -show_entries \"stream=index,codec_name,codec_type:stream_tags=language\" -of csv \"sample.mkv\"
\nex)
\nstream,0,hevc,video,1,0,0,0,0,0,0,0,0,0,0,0
\nstream,1,ac3,audio,0,0,0,0,0,0,0,0,0,0,0,0,eng
\nstream,2,aac,audio,1,0,0,0,0,0,0,0,0,0,0,0,kor
\nstream,3,subrip,subtitle,0,0,0,0,0,0,0,0,0,0,0,0,eng<\/p>\n
\u25a0 \uc6d0\ud558\ub294 \uc2a4\ud2b8\ub9bc\ub9cc \ubcc0\ud658\ud558\uae30
\n\ud30c\ub77c\uba54\ud130\uc5d0 \uc544\ub798\ub97c \ucd94\uac00\ud55c\ub2e4.
\n-map 0:0 -map 0:2
\n0:0\uc740 \uc601\uc0c1, 0:2\ub294 \ub354\ube59\ub41c \ud55c\uad6d\uc5b4 \uc0ac\uc6b4\ub4dc \uc2a4\ud2b8\ub9bc<\/p>\n
\u25a0 \ubc30\uce58 (bash)
\nINPUT_DIR=\/usbmem\/complete\/ffmpeg_converted
\nOUTPUT_DIR=\/usbmem\/complete
\nfor i in *.avi; do
\ndo name=`echo $i | cut -d'.' -f1`;
\necho $name;
\nffmpeg -y -i \"${INPUT_DIR}\/$i\" -threads 0 -r 30 -sn -vcodec libx264 -preset medium -crf 23 -tune film -sws_flags lanczos -vf \"scale=-1:720\" -codec:a aac -b:a 128k -f mp4 \"${OUTPUT_DIR}\/${name}.mp4\";
\ndone<\/p>\n
\u25a0 \ubc30\uce58 (Windows)
\nfor \/f \"tokens=1 delims=.\" %a in ('dir \/B *.avi') do ffmpeg -i \"%a.avi\" -threads 0 -r 30 -sn -vcodec libx264 -preset medium -crf 23 -tune film -sws_flags lanczos -vf \"scale=-1:720\" -codec:a aac -b:a 128k -f mp4 \"%a.mp4\"<\/p>\n
\u25a0 \ucc38\uc870 \uc6f9\ud398\uc774\uc9c0 \u25a0 \ub3d9\uc601\uc0c1 \ubcc0\ud658 ffmpeg -y -i sample.avi -threads 0 -r 30 -sn -vcodec libx264 -preset medium -crf 23 -tune film -sws_flags lanczos -vf “scale=-1:720” -acodec libmp3lame -ac 2 -ab 128k -f mp4 output_sample.mp4 \ub3d9\uc601\uc0c1\uc758 \ub192\uc774720\uace0\uc815, 30\ud504\ub808\uc784\uc73c\ub85c \ubcc0\ud658\ud574\uc11c \uc800\uc7a5 \u25a0 \ub3d9\uc601\uc0c1 \ubcc0\ud658 (\uc6a9\ub7c9 \uc904\uc77c \ub54c) ffmpeg -y -i sample.mp4 -threads 0 -r 25 -sn -vcodec libx264 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","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":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[15],"tags":[],"class_list":["post-905","post","type-post","status-publish","format-standard","hentry","category-computing_tools"],"_links":{"self":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=905"}],"version-history":[{"count":0,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/905\/revisions"}],"wp:attachment":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nhttps:\/\/namu.wiki\/w\/FFmpeg<\/a>
\nhttp:\/\/louie0.tistory.com\/145<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"