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timelapse's Introduction

Timelapse photography workflow

Steps to build a video file from still shots

  1. rename all picture files in sequence by datetime (if necessary)
  2. resize pictures to video resolution frame (eg 3008x2000 --> 1920x1277[1920x1080])
  3. crop pictures to video resolution (eg 1920x1277 --> 1920x1080)
  4. create list of picture files
  5. build video from files

Methods, tools & commands to make it happen

  1. My camera fills up folders with up to 500 shots, in sequential numbering, reset for each folder.
    In order to get them all in a row, I use a 0-based prefix for each folder.
    So pictures IMG001.JPG, IMG002.JPG, etc from the first folder become 0IMG001.JPG, 0IMG002.JPG, etc.
    YMMV :-) eg. for file in *.JPG; do mv "${file}" "0${file}"; done
  2. mogrify -verbose -resize 1920x1277 *.JPG
  3. mogrify -verbose -crop 1920x1080+0+0 *.JPG
  4. ls *.JPG > jpegs.txt
  5. mencoder is the goto tool for this
    mencoder -nosound -ovc lavc -lavcopts vcodec=mpeg4:aspect=16/9:vbitrate=8000000 -vf scale=1920:1080 -o timelapse.avi -mf type=jpeg:fps=24 mf://@jpegs.txt

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