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@onokatio
Last active July 22, 2018 07:05
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Linuxで、コマンドだけでyoutubeから動画をダウンロードして任意の時間を切り出してgifアニ化する ref: https://qiita.com/onokatio/items/40b12a2c50b4f9cc3e75
https://www.youtube.com/watch?v=hogehoge
$ sudo curl -L https://yt-dl.org/downloads/latest/youtube-dl -o /usr/local/bin/youtube-dl
$ sudo chmod a+rx /usr/local/bin/youtube-dl
$ brew install youtube-dl
$ sudo pip install --upgrade youtube_dl
$ youtube-dl -F https://www.youtube.com/watch?v=hogehoge
[youtube] hoge: Downloading webpage
[youtube] hoge: Downloading video info webpage
[youtube] hoge: Extracting video information
[youtube] hoge: Downloading MPD manifest
[info] Available formats for hoge:
format code extension resolution note
139 m4a audio only DASH audio 49k , m4a_dash container, mp4a.40.5@ 48k (22050Hz)
249 webm audio only DASH audio 61k , opus @ 50k, 3.00MiB
250 webm audio only DASH audio 78k , opus @ 70k, 3.81MiB
171 webm audio only DASH audio 124k , vorbis@128k, 5.91MiB
140 m4a audio only DASH audio 128k , m4a_dash container, mp4a.40.2@128k (44100Hz)
251 webm audio only DASH audio 150k , opus @160k, 7.11MiB
160 mp4 256x144 DASH video 72k , avc1.4d400c, 24fps, video only
278 webm 256x144 144p 110k , webm container, vp9, 24fps, video only, 4.38MiB
133 mp4 426x240 DASH video 136k , avc1.4d4015, 24fps, video only
242 webm 426x240 240p 216k , vp9, 24fps, video only, 6.56MiB
134 mp4 640x360 DASH video 314k , avc1.4d401e, 24fps, video only
243 webm 640x360 360p 404k , vp9, 24fps, video only, 11.71MiB
135 mp4 854x480 DASH video 565k , avc1.4d401e, 24fps, video only
244 webm 854x480 480p 690k , vp9, 24fps, video only, 18.09MiB
136 mp4 1280x720 DASH video 928k , avc1.4d401f, 24fps, video only
247 webm 1280x720 720p 1350k , vp9, 24fps, video only, 35.56MiB
17 3gp 176x144 small , mp4v.20.3, mp4a.40.2@ 24k
36 3gp 320x180 small , mp4v.20.3, mp4a.40.2
43 webm 640x360 medium , vp8.0, vorbis@128k
18 mp4 640x360 medium , avc1.42001E, mp4a.40.2@ 96k
22 mp4 1280x720 hd720 , avc1.64001F, mp4a.40.2@192k (best)
$ youtube-dl -f 18 https://www.youtube.com/watch?v=hogehoge
$ ffmpeg -ss 切り出し開始時間 -i 入力ファイル名 -t 切り出す秒数 出力ファイル名
$ ffmpeg -ss 143.5 -i hoge.mp4 -t 1.3 hoge2.mp4
$ ffmpeg -i hoge2.mp4 -an -r 15 -pix_fmt rgb24 -f git hige.gif
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