{"description":"ffmpeg \u3067\u30d3\u30c7\u30aa\u3068\u30aa\u30fc\u30c7\u30a3\u30aa\u3092\u30b3\u30d4\u30fc\u3057\u3066\u3001\u30b3\u30f3\u30c6\u30ca\u3092\u5909\u3048\u305f\u3044\u3068\u304d mp4 -> mkv \u306e\u4f8b ffmpeg -i sample.mp4 -codec:a copy -codec:v copy sample.mkv copy \u3068\u66f8\u3051\u3070\u3082\u3063\u3068\u697d \uff12\u3064\u306e\u30b3\u30fc\u30c9\u30c7\u30c3\u30af\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u66f8\u304f\u306e\u3067\u3001\u4e00\u3064\u306b\u307e\u3068\u3081\u3066\u7701\u7565\u3067\u304d\u308b\u3002 ffmpeg -i sample.mp4 -codec copy sample.mkv \u66f4\u306b\u77ed\u7e2e\u3057\u3066 ffmpeg -i sample.mp4 -c copy sample.mkv \u30b3\u30ec\u306f\u3001\u77e5\u3063\u3066\u304a\u3044\u305f\u3089\u30b3\u30de\u30f3\u30c9\u3092\u66f8\u304f\u306e\u304c\u697d\u3067\u3044\u3044\u3002","type":"rich","provider_name":"Hatena Blog","author_name":"takuya_1st","version":"1.0","title":" ffmpeg \u3067 copy \u306f\u77ed\u7e2e\u5f62\u304c\u4f7f\u3048\u308b\u3002","author_url":"https://blog.hatena.ne.jp/takuya_1st/","width":"100%","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakuya-1st.hatenablog.jp%2Fentry%2F2024%2F06%2F01%2F000000\" title=\" ffmpeg \u3067 copy \u306f\u77ed\u7e2e\u5f62\u304c\u4f7f\u3048\u308b\u3002 - \u305d\u308c\u30de\u30b0\u3067\uff01\" 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://takuya-1st.hatenablog.jp/entry/2024/06/01/000000","published":"2024-06-01 00:00:00","provider_url":"https://hatena.blog","height":"190","categories":["ffmpeg"],"blog_url":"https://takuya-1st.hatenablog.jp/","blog_title":"\u305d\u308c\u30de\u30b0\u3067\uff01"}