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  1. #!/bin/bash
  2.  
  3. awk -F= -v duration=$((45 * 60)) '
  4.     function chapter(start, end, title) {
  5.     print "[CHAPTER]"
  6.     print "TIMEBASE=1/1000"
  7.     print "START=" start "000"
  8.     print "END=" end "000"
  9.     print "title=" title }
  10.   BEGIN { print ";FFMETADATA1" }
  11.     { split($1, hms, ":") ;
  12.       end=3600 * hms[1] + 60 * hms[2] + hms[3] }
  13. title { chapter(start, end, title) }
  14.     { start=end; title=$2 }
  15. END { chapter(start, duration, title) }'
Success #stdin #stdout 0.01s 5516KB
comments (?)
stdin
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00:00:00=Intro
00:02:12=What are selections
00:03:19=Booleans
stdout
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;FFMETADATA1
[CHAPTER]
TIMEBASE=1/1000
START=0000
END=132000
title=Intro
[CHAPTER]
TIMEBASE=1/1000
START=132000
END=199000
title=What are selections
[CHAPTER]
TIMEBASE=1/1000
START=199000
END=2700000
title=Booleans
https://ideone.com/scXWNJ
https://stackoverflow.com/questions/77120045/how-can-i-add-chapters-to-a-mp4-file-using-bash-script-and-ffmpeg
language:
Bash (bash 5.0.3)
created:
2 years ago
visibility:
secret

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