{"image_url":null,"author_name":"toshifumi_tegu","url":"https://toshifumi-tegu.hatenadiary.org/entry/20110716/1310835425","version":"1.0","width":"100%","author_url":"https://blog.hatena.ne.jp/toshifumi_tegu/","blog_title":"tegu\u306eTech Blog","published":"2011-07-16 01:57:05","height":"190","title":"ffmpeg\u4e00\u62ec\u30a8\u30f3\u30b3\u30fc\u30c9\u306e\u30d0\u30c3\u30c1\u4f5c\u6210","description":"ffmpeg\u3067 \u304c\u3055\u3063\u3068\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u3066\u3057\u307e\u3044\u305f\u3044\u3002 find . -name '*.m4a' -type f > filelist.log \u4e00\u65e6\u30d5\u30a1\u30a4\u30eb\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3002 \u305d\u3057\u3066 #!/bin/sh while read -r FILE do OUTPUT=`echo $FILE | perl -pe 's/m4a$/mp3/'` ffmpeg -y -i \"$FILE\" -ab 160 \"$OUTPUT\" done < filelist.log \u3053\u308c\u3067\u3044\u3051\u308b\u304b\u3068\u601d\u3044\u304d\u3084\u3001\u5148\u982d\u306e\u30d5\u30a1\u30a4\u30eb\u3057\u304b\u5909\u63db\u3055\u308c\u306a\u3044\u3002 \u3084\u305f\u3089debug=512\u3063\u3066\u611f\u3058\u306e\u51fa\u529b\u304c\u3055\u308c\u3001\u7d42\u308f\u308b\u3002 \u304a\u304b\u3057\u3044\u3002\u30d5\u30a1\u30a4\u30eb\u540d\u304c\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u2026","type":"rich","categories":["ffmpeg","shell script","python"],"provider_url":"https://hatena.blog","blog_url":"https://toshifumi-tegu.hatenadiary.org/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftoshifumi-tegu.hatenadiary.org%2Fentry%2F20110716%2F1310835425\" title=\"ffmpeg\u4e00\u62ec\u30a8\u30f3\u30b3\u30fc\u30c9\u306e\u30d0\u30c3\u30c1\u4f5c\u6210 - tegu\u306eTech Blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog"}