{"provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/alpacatech/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Falpacatech.hateblo.jp%2Fentry%2F2020%2F01%2F09%2F180949\" title=\"\u3010ffmpeg\u3011 \u52d5\u753b\u3092\u9023\u756a\u306e\u9759\u6b62\u753b\u306b\u3057\u305f\u308a\u3001\u9023\u756a\u306e\u9759\u6b62\u753b\u304b\u3089\u52d5\u753b\u3092\u4f5c\u6210\u3059\u308b - Alpaca Tech Blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","published":"2020-01-09 18:09:49","blog_title":"Alpaca Tech Blog","image_url":null,"categories":["Ubuntu"],"url":"https://alpacatech.hateblo.jp/entry/2020/01/09/180949","provider_name":"Hatena Blog","author_name":"alpacatech","description":"ffmpeg\u3092\u4f7f\u7528\u3057\u307e\u3059 \u52d5\u753b\u3092\u9759\u6b62\u753b\u306b\u5206\u5272\u3059\u308b ffmpeg -i src.mp4 -vcodec png \"%04d.png\" src.mp4\u3092png\u5f62\u5f0f\u3067\u30010001.png\u301c \u306b\u5206\u5272\u3059\u308b\u3002 \u203b \u51fa\u529b\u5148\u306f\u30d5\u30a9\u30eb\u30c0\u6307\u5b9a\u3067\u304d\u308b\u304c\u30d5\u30a9\u30eb\u30c0\u304c\u5b58\u5728\u3057\u306a\u3044\u3068\u30a8\u30e9\u30fc \u9023\u756a\u9759\u6b62\u753b\u3092\u52d5\u753b\u306b\u3059\u308b ffmpeg -r 30 -i %04d.png -vcodec libx264 -pix_fmt yuv420p out.mp4 \u79d2\u9593 30\u30d5\u30ec\u30fc\u30e0\u3067\u3001 0001.png\u301c \u3092 out.mp4 \u306b\u3059\u308b","title":"\u3010ffmpeg\u3011 \u52d5\u753b\u3092\u9023\u756a\u306e\u9759\u6b62\u753b\u306b\u3057\u305f\u308a\u3001\u9023\u756a\u306e\u9759\u6b62\u753b\u304b\u3089\u52d5\u753b\u3092\u4f5c\u6210\u3059\u308b","height":"190","width":"100%","blog_url":"https://alpacatech.hateblo.jp/","version":"1.0"}