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nicolas42/Make a Gif with text overlay (macos)

Created March 3, 2020 06:57
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Make a Gif with text overlay (macos)
Download a static build of ffmpeg which contains libass from https://www.ffmpeg.org/download.html. For example
wget https://evermeet.cx/ffmpeg/ffmpeg-96869-gb6879b61df.zip
Download the video
youtube-dl https://www.youtube.com/watch\?v\=SLGeFfxdEkA
Use that particular ffmpeg binary to render the subtitles. Pay attention to the start time on the subtitles since it will need to coincide. Set start time with -ss and the duration with -t.
./ffmpeg -i a.mkv -vf subtitles=a.srt -r 10 -ss 151 -t 5 out.gif
See if it works
open -a "Google Chrome" out.gif
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