{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fykmbpp.hatenadiary.org%2Fentry%2F20100917%2F1284740603\" title=\"ffmpeg\u3067flv\u304b\u3089aac/mp3\u3092\u629c\u304d\u51fa\u3059 - YKMbPP\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","height":"190","image_url":null,"description":"\u307e\u305a\u30d5\u30a1\u30a4\u30eb\u306e\u60c5\u5831\u3092\u8abf\u3079\u308b\u3002 ffmpeg -i input.flv \u7d50\u679c\u306e\u4f8b: Duration: 00:03:10.63, start: 0.000000, bitrate: 594 kb/s Stream #0.0: Video: h264, yuv420p, 480x270 [PAR 1:1 DAR 16:9], 471 kb/s, 29.97 tbr, 1k tbn, 60 tbc Stream #0.1: Audio: aac, 44100 Hz, stereo, s16, 123 kb/s aac\u306e\u307e\u307e\u306b\u3057\u3066\u51fa\u529b\u30fb\u30fb\u30fb(1) ffmpeg -i input.flv -vn -ac\u2026","type":"rich","categories":["ffmpeg"],"provider_name":"Hatena Blog","provider_url":"https://hatena.blog","author_name":"ykmbpp","url":"https://ykmbpp.hatenadiary.org/entry/20100917/1284740603","blog_url":"https://ykmbpp.hatenadiary.org/","published":"2010-09-17 01:23:23","title":"ffmpeg\u3067flv\u304b\u3089aac/mp3\u3092\u629c\u304d\u51fa\u3059","blog_title":"YKMbPP","version":"1.0","author_url":"https://blog.hatena.ne.jp/ykmbpp/"}