{"categories":[],"author_url":"https://blog.hatena.ne.jp/alpacatech/","width":"100%","type":"rich","image_url":null,"title":"\u3010ffmpeg\u3011\u52d5\u753b\u3092\u30c8\u30ea\u30df\u30f3\u30b0\uff08\u6642\u9593 or \u753b\u89d2\uff09","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Falpacatech.hateblo.jp%2Fentry%2F2020%2F02%2F16%2F142044\" title=\"\u3010ffmpeg\u3011\u52d5\u753b\u3092\u30c8\u30ea\u30df\u30f3\u30b0\uff08\u6642\u9593 or \u753b\u89d2\uff09 - Alpaca Games Blog(\u65e7AlpacaTech)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","description":"ffmpeg -i src.mp4 -ss 60 -t 30 -c copy output.mp4 \u958b\u59cb60\u79d2\u76ee\u304b\u308930\u79d2\u5206\u5207\u308a\u53d6\u308a\u3057\u3066output.mp4 \u306b\u51fa\u529b\u3002 ffmpeg -i src.mp4 -vf crop=1440:1080:240:0: output.mp4 \u52d5\u753b(1920x1080\u3068\u3059\u308b)\u304b\u3089(x,y)=(240,0) 1440x1080 \u3067\u30c8\u30ea\u30df\u30f3\u30b0\u3057\u3066 output.mp4 \u306b\u51fa\u529b\u3002 \u7bc4\u56f2\u5916\u306b\u306a\u308b\u5834\u5408\u5931\u6557\u3059\u308b\u3002","version":"1.0","provider_name":"Hatena Blog","published":"2020-02-16 14:20:44","author_name":"alpacatech","blog_title":"Alpaca Games Blog(\u65e7AlpacaTech)","url":"https://alpacatech.hateblo.jp/entry/2020/02/16/142044","blog_url":"https://alpacatech.hateblo.jp/"}