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March 7, 2019 23:31
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ffmpeg trim
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| // -ss: start time | |
| // -t: duration | |
| ffmpeg -i in.mp4 -ss 00:00:50 -t 00:00:20 -async 1 out.mp4 | |
| // cropping https://www.bogotobogo.com/FFMpeg/ffmpeg_cropdetect_ffplay.php | |
| ffmpeg -i in.mp4 -vf crop=1920:800:0:140 -ss 00:00:50 -t 00:00:30 -async 1 -crf out.mp4 |
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