{"id":10675,"date":"2021-12-03T01:43:26","date_gmt":"2021-12-03T01:43:26","guid":{"rendered":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/?p=10675"},"modified":"2023-09-19T07:49:20","modified_gmt":"2023-09-19T07:49:20","slug":"%e4%bd%9c%e6%a5%ad%e3%83%a1%e3%83%a2","status":"publish","type":"post","link":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/?p=10675","title":{"rendered":"(20211203 \u4f5c\u696d\u30e1\u30e2) ffmpeg \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30a8\u30f3\u30b3\u30fc\u30c9"},"content":{"rendered":"<p><a href=\"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/wp-content\/uploads\/2021\/12\/\u540d\u79f0\u672a\u8a2d\u5b9a.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/wp-content\/uploads\/2021\/12\/\u540d\u79f0\u672a\u8a2d\u5b9a-300x274.png\" alt=\"\" width=\"300\" height=\"274\" class=\"aligncenter size-medium wp-image-10681\" srcset=\"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/wp-content\/uploads\/2021\/12\/\u540d\u79f0\u672a\u8a2d\u5b9a-300x274.png 300w, http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/wp-content\/uploads\/2021\/12\/\u540d\u79f0\u672a\u8a2d\u5b9a-1024x934.png 1024w, http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/wp-content\/uploads\/2021\/12\/\u540d\u79f0\u672a\u8a2d\u5b9a-768x701.png 768w, http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/wp-content\/uploads\/2021\/12\/\u540d\u79f0\u672a\u8a2d\u5b9a-600x547.png 600w, http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/wp-content\/uploads\/2021\/12\/\u540d\u79f0\u672a\u8a2d\u5b9a.png 1457w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>ffmpeg \u3067\u30d3\u30c7\u30aa\u30ab\u30fc\u30c9\u3092\u4f7f\u3063\u305f\u30a2\u30af\u30bb\u30e9\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u30d3\u30c7\u30aa\u30ab\u30fc\u30c9\u306f GeForce GTX 1050 \u3067\u3001OS \u306f Ubuntu 20.04.3 LTS\u3001CPU\u306f Core i5-3570 \u3067\u7d50\u69cb\u53e4\u3044\u3002\u6700\u521d\u306b\u898b\u305f\u30b5\u30a4\u30c8\u306f nvidia \u306e\u30b5\u30a4\u30c8\uff08<a href=\"https:\/\/docs.nvidia.com\/video-technologies\/video-codec-sdk\/12.0\/ffmpeg-with-nvidia-gpu\/index.html\">\u3053\u3053<\/a>\uff09\u3067\u3059\u3002\u30b3\u30f3\u30d1\u30a4\u30eb\u3092\u3059\u308b\u3064\u3082\u308a\u3060\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u305d\u3053\u306b\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u306b\u306f CUDA toolkit \u304c\u5fc5\u8981\u3068\u3042\u308a\u307e\u3059\u3002toolkit \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f <a href=\"https:\/\/developer.nvidia.com\/cuda-downloads\">\u3053\u306e\u30b5\u30a4\u30c8<\/a>\u306b\u5f93\u3044\u307e\u3059\u3002\u5f8c\u306f\u5148\u306e\u30b5\u30a4\u30c8\u306b\u5f93\u3063\u3066\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u307e\u3059\u3002 nvcc \u304c\u898b\u3064\u304b\u3089\u306a\u3044\u3068\u3044\u3046\u30a8\u30e9\u30fc\u304c\u3042\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u3053\u308c\u306f\u30d1\u30b9\u304c\u901a\u3063\u3066\u306a\u304b\u3063\u305f\u3088\u3046\u3067\u3059\u3002<a href=\"https:\/\/cocoinit23.com\/cuda-nvcc-command-not-found\/\">\u3053\u306e\u30b5\u30a4\u30c8<\/a>\u306b\u3042\u308b\u3088\u3046\u306b\u30d1\u30b9\u3092\u901a\u3057\u307e\u3057\u305f\u3002\u4e0b\u8a18\u3092 .bashrc \u306b\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002<\/p>\n<pre><code style=\"color: midnightblue; font-size: 12px; white-space: pre-wrap;\">export PATH=\"\/usr\/local\/cuda\/bin:$PATH\"\r\nexport LD_LIBRARY_PATH=\"\/usr\/local\/cuda\/lib64:$LD_LIBRARY_PATH\"<\/code><\/pre>\n<p>\u3053\u306e\u5f8c\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u306f\u4ee5\u5916\u306b\u30b9\u30e0\u30fc\u30ba\u306b\u7d42\u4e86\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>ffmpeg \u3092\u8d77\u52d5\u3057\u3088\u3046\u3068\u3059\u308b\u3068 libavdevice.so.59 \u304c\u898b\u3064\u304b\u3089\u306a\u3044\u3068\u30a8\u30e9\u30fc\u304c\u51fa\u307e\u3057\u305f\u3002\u3053\u308c\u3092\u63a2\u3057\u305f\u3089\u3001\u3059\u3067\u306b\u30ed\u30fc\u30ab\u30eb\u306b\u3042\u3063\u305f\u306e\u3067\u3059\u304c ffmpeg \u304b\u3089\u898b\u3064\u304b\u3089\u306a\u3044\u307f\u305f\u3044\u3067\u3057\u305f\u3002<a href=\"https:\/\/mask.hatenadiary.com\/entry\/2015\/10\/27\/184645\">\u3053\u306e\u30b5\u30a4\u30c8<\/a>\u3092\u53c2\u8003\u306b\u3057\u3066\u3001libavdevice.so.59 \u3092 \/etc\/ld.so.conf.d\/ \u306b\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002sudo ldconfig \u3082\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u3042\u308a\u3002\u4f55\u304b\u306e\u518d\u8aad\u307f\u8fbc\u307f\u304b\uff1f<\/p>\n<p>\u5909\u63db\u306e\u30b9\u30d4\u30fc\u30c9\u306f\u304b\u306a\u308a\u901f\u304f\u306a\u308a\u307e\u3057\u305f\u3002x12 \u3050\u3089\u3044\u3067\u5909\u63db\u3057\u307e\u3059\u3002\u30aa\u30d7\u30b7\u30e7\u30f3\u306a\u3069\u306f<a href=\"https:\/\/github-wiki-see.page\/m\/eiichiromomma\/CVMLAB\/wiki\/%E3%83%AA%E3%83%A2%E3%83%BC%E3%83%88%E8%AC%9B%E7%BE%A9-ffmpeg\">\u3053\u306e\u30b5\u30a4\u30c8<\/a>\u306a\u3069\u3092\u53c2\u8003\u306b\u3057\u307e\u3057\u305f\u3002\u5909\u63db\u30b3\u30de\u30f3\u30c9\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<pre><code style=\"color: midnightblue; font-size: 12px; white-space: pre-wrap;\">ffmpeg -i input.mov -c:v h264_nvenc output.mp4<\/code><\/pre>\n<p>\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a8\u30f3\u30b3\u30fc\u30c9\u3088\u308a\u3082\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u8a66\u3057\u305f\u3082\u306e\u3067\u306f3\u5272\u5897\u3057\u3050\u3089\u3044\u3067\u3057\u305f\u3002\u3053\u306e\u5834\u5408\uff083\u5272\u5897\u3057\u306e\u5834\u5408\u3067\u3059\u304c\uff09\u753b\u8cea\u306e\u5dee\u306f\u305d\u308c\u307b\u3069\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<pre><code style=\"color: midnightblue; font-size: 12px; white-space: pre-wrap;\"><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>ffmpeg \u3067\u30d3\u30c7\u30aa\u30ab\u30fc\u30c9\u3092\u4f7f\u3063\u305f\u30a2\u30af\u30bb\u30e9\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u30d3 &#8230; <a class=\"more-link\" href=\"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/?p=10675\">Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10675","post","type-post","status-publish","format-standard","hentry","category-column"],"_links":{"self":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/10675","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10675"}],"version-history":[{"count":17,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/10675\/revisions"}],"predecessor-version":[{"id":12110,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/10675\/revisions\/12110"}],"wp:attachment":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10675"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}