{"id":2326,"date":"2023-01-23T14:07:20","date_gmt":"2023-01-23T05:07:20","guid":{"rendered":"https:\/\/weblog.hirohiro716.com\/?p=2326"},"modified":"2023-01-23T14:07:20","modified_gmt":"2023-01-23T05:07:20","slug":"ffmpeg%e3%81%ae%e5%9f%ba%e6%9c%ac%e7%9a%84%e3%81%aa%e4%bd%bf%e3%81%84%e6%96%b9","status":"publish","type":"post","link":"https:\/\/weblog.hirohiro716.com\/?p=2326","title":{"rendered":"ffmpeg\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9"},"content":{"rendered":"<p>\n\u52d5\u753b\u3092\u30ea\u30b5\u30a4\u30ba\u3059\u308b\u3002\n<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\n$ ffmpeg -i source.mp4 -vf scale=1280:-1 destination.mp4\r\n<\/pre>\n<p style=\"margin-top:2em;\">\n\u958b\u59cb\u4f4d\u7f6e\u3068\u79d2\u6570\u3092\u6307\u5b9a\u3057\u3066\u52d5\u753b\u3092\u30c8\u30ea\u30df\u30f3\u30b0\u3059\u308b\u3002\n<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\n$ ffmpeg -i source.mp4 -ss 0:10 -t 30 destination.mp4\r\n<\/pre>\n<p style=\"margin-top:2em;\">\n\u958b\u59cb\u4f4d\u7f6e\u3068\u7d42\u4e86\u4f4d\u7f6e\u3092\u6307\u5b9a\u3057\u3066\u52d5\u753b\u3092\u30c8\u30ea\u30df\u30f3\u30b0\u3059\u308b\u3002\n<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\n$ ffmpeg -i source.mp4 -ss 0:10 -to 0:40 destination.mp4\r\n<\/pre>\n<p style=\"margin-top:2em;\">\n\u5143\u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30fc\u30c7\u30c3\u30af\u3092\u4f7f\u7528\u3057\u3066\u52d5\u753b\u3092\u9023\u7d50\u3059\u308b\u3002\n<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\n$ echo -e &quot;file 'source1.mp4'\\nfile 'source2.mp4'\\n&quot; &gt;ffmpeg_files.txt\r\n$ ffmpeg -f concat -i ffmpeg_files.txt -c copy destination.mp4\r\n$ rm ffmpeg_files.txt\r\n<\/pre>\n<p style=\"margin-top:2em;\">\n\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u3092\u6307\u5b9a\u3057\u3066\u52d5\u753b\u3092gif\u306b\u5909\u63db\u3059\u308b\u3002\n<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\n$ ffmpeg -i source.mp4 -r 20 destination.gif\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u52d5\u753b\u3092\u30ea\u30b5\u30a4\u30ba\u3059\u308b\u3002 $ ffmpeg -i source.mp4 -vf scale=1280:-1 destination.mp4 \u958b\u59cb\u4f4d\u7f6e\u3068\u79d2\u6570\u3092\u6307\u5b9a\u3057\u3066\u52d5\u753b\u3092\u30c8\u30ea\u30df\u30f3\u30b0\u3059\u308b\u3002 $ ffmpeg -i source [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-2326","post","type-post","status-publish","format-standard","hentry","category-linux"],"views":787,"_links":{"self":[{"href":"https:\/\/weblog.hirohiro716.com\/index.php?rest_route=\/wp\/v2\/posts\/2326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/weblog.hirohiro716.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/weblog.hirohiro716.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/weblog.hirohiro716.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/weblog.hirohiro716.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2326"}],"version-history":[{"count":3,"href":"https:\/\/weblog.hirohiro716.com\/index.php?rest_route=\/wp\/v2\/posts\/2326\/revisions"}],"predecessor-version":[{"id":2330,"href":"https:\/\/weblog.hirohiro716.com\/index.php?rest_route=\/wp\/v2\/posts\/2326\/revisions\/2330"}],"wp:attachment":[{"href":"https:\/\/weblog.hirohiro716.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/weblog.hirohiro716.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/weblog.hirohiro716.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}