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creaktive/gopro.sh

Last active August 29, 2017 16:30
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GoPro HERO4 Session CLI timelapse
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gopro.sh
# unwarp, rescale & rename GoPro pics using 4 CPUs
find /Volumes/NO\ NAME/DCIM/ -type f -regex '.*/G[0-9]+.JPG' |
sort |
perl -MPOSIX=strftime -lne 'printf qq(convert "%s" -filter Lanczos -distort barrel "0.06335 -0.18432 -0.13009" -resize 1440x1080 -font Courier -pointsize 32 -draw "gravity southeast fill white text 0,0 \\\"%s\\\"" -quality 100 tl%05d.jpg\0), $_, strftime("%Y-%m-%d %H:%M", localtime [stat($_)]->[9]), ++$i' |
xargs -0 -n1 -P4 sh -c
# build timelapse at 60 fps
ffmpeg -f image2 -framerate 60 -i tl%05d.jpg -s 1440x1080 -pix_fmt yuv420p timelapse.mp4
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