{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakuya-1st.hatenablog.jp%2Fentry%2F2015%2F08%2F20%2F050104\" title=\"ffmpeg \u3067mp4 \u3092\u7d50\u5408\u3059\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>","image_url":null,"version":"1.0","height":"190","categories":[],"provider_url":"https://hatena.blog","published":"2015-08-20 05:01:04","provider_name":"Hatena Blog","url":"https://takuya-1st.hatenablog.jp/entry/2015/08/20/050104","blog_url":"https://takuya-1st.hatenablog.jp/","blog_title":"\u305d\u308c\u30de\u30b0\u3067\uff01","type":"rich","author_url":"https://blog.hatena.ne.jp/takuya_1st/","author_name":"takuya_1st","title":"ffmpeg \u3067mp4 \u3092\u7d50\u5408\u3059\u308b\u3002","width":"100%","description":"mp4 \u306e\u7d50\u5408\u3057\u305f\u3002 ts \u30d5\u30a1\u30a4\u30eb\u306e\u7d50\u5408\u306a\u3089\u30ab\u30f3\u30bf\u30f3\u306a\u3093\u3060\u3051\u3069\u30fb\u30fb\u30fbmp4 \u306f\u30b3\u30f3\u30c6\u30ca\u304c\u9762\u5012\u306a\u306e\u3067\u3001cat \u3067\u304d\u306a\u3044 ts \u306b\u5909\u63db\u3059\u308b\u3002 for i in `ls -v *.mp4` ; do ffmpeg -i $i -c copy -bsf:v h264_mp4toannexb -f mpegts $i.ts done \u4e00\u65e6\u306f\u4e2d\u9593\u30d5\u30a1\u30a4\u30eb\u306eTS\u3092\u7d4c\u7531\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3002 ts \u3092\u7d50\u5408\u3059\u308b concat \u3092\u30b3\u30de\u30f3\u30c9\u4f5c\u308b\u306e\u306f\u9762\u5012\u306a\u306e\u3067\u3001list \u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3046\u3002 \u5909\u63db\u5bfe\u8c61\u4e00\u89a7\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u3063\u3066 for i in `ls -v *.ts` ; do echo file \"'$i'\" done > \u2026"}