{"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/c/cruller/20190320/20190320223218.jpg","blog_title":"cBlog","author_url":"https://blog.hatena.ne.jp/cruller/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyaritakunai.hatenablog.com%2Fentry%2F2019%2F04%2F06%2F211000\" title=\"FFmpeg\u3067\u7a7a\u52d5\u753b\uff08\u9ed2\u30d9\u30bf\uff0b\u7121\u97f3\uff09\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5 - cBlog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://yaritakunai.hatenablog.com/entry/2019/04/06/211000","provider_url":"https://hatena.blog","description":"FFmpeg\u3067\u30d6\u30e9\u30f3\u30af\uff08\u7a7a\u306e\uff09\u52d5\u753b\u3092\u51fa\u529b\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002 \u30b3\u30de\u30f3\u30c9\u4f8b 60\u79d2\u306e\u9ed2\u30d9\u30bf\u6620\u50cf\uff08\u30d5\u30ebHD\u300129.97 fps\uff09\uff0b\u7121\u97f3\u97f3\u58f0\uff0844.1 kHz\u3001\u30b9\u30c6\u30ec\u30aa\uff09\u3092MP4\u3067\u51fa\u529b\u3059\u308b\u3002 ffmpeg -f lavfi -i color=c=black:s=1920x1080:r=30000/1001:d=60 -f lavfi -i 'aevalsrc=0|0:c=stereo:s=44100:d=60' a.mp4 c=black\u5857\u308a\u3064\u3076\u3059\u8272 s=1920x1080\u89e3\u50cf\u5ea6 r=30000/1001\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8 d=60\u9577\u3055 0|0|\u3067\u5404\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u533a\u5207\u3063\u305f\u632f\u5e45\u5024 c=stereo\u30c1\u30e3\u30f3\u30cd\u30eb\u30ec\u30a4\u30a2\u2026","author_name":"cruller","title":"FFmpeg\u3067\u7a7a\u52d5\u753b\uff08\u9ed2\u30d9\u30bf\uff0b\u7121\u97f3\uff09\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5","height":"190","categories":["ffmpeg"],"published":"2019-04-06 21:10:00","blog_url":"https://yaritakunai.hatenablog.com/","provider_name":"Hatena Blog","version":"1.0","width":"100%","type":"rich"}