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davidjb/ffmpeg-timelapse.sh

Last active August 11, 2023 21:19
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Create a timelapsed video from a collection of video files in one hit
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ffmpeg-timelapse.sh
# Create `list.txt` via https://trac.ffmpeg.org/wiki/Concatenate; aka a file with lines like:
# file 'foobar.mp4'
# file 'foobaz.mp4'
# Swap the codec as per https://www.rickmakes.com/ffmpeg-timelapse-from-video-speed-up-vs-every-n-th-frame/ if you want hardware encoding or use a different platform
# 0.002 = 500x
ffmpeg -f concat -i list.txt -an -vf "setpts=0.002*PTS" -vcodec h264_videotoolbox -b:v 10000k -r 30 -pix_fmt yuv420p out.mp4
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