Provided by: python3-srt_3.5.3-1_all 

NAME
srt-linear-timeshift - SRT subtitle processing tool
DESCRIPTION
usage: srt linear-timeshift [-h] [--input FILE] [--output FILE] [--inplace]
[--no-strict] [--debug] [--ignore-parsing-errors]
[--encoding ENCODING] --from-start FROM_START --to-start TO_START --from-end FROM_END --to-end
TO_END
Perform linear time correction on a subtitle.
options:
-h, --help
show this help message and exit
--input FILE, -i FILE
the file to process (default: stdin)
--output FILE, -o FILE
the file to write to (default: stdout)
--inplace, -p
modify file in place
--no-strict
allow blank lines in output, your media player may explode
--debug
enable debug logging
--ignore-parsing-errors, -c
try to keep going, even if there are parsing errors
--encoding ENCODING, -e ENCODING
the encoding to read/write files in (default: utf8)
--from-start FROM_START, --f1 FROM_START
the first desynchronised timestamp
--to-start TO_START, --t1 TO_START
the first synchronised timestamp
--from-end FROM_END, --f2 FROM_END
the second desynchronised timestamp
--to-end TO_END, --t2 TO_END
the second synchronised timestamp
examples:
Stretch out a subtitle so that second 1 is 1, 2 is 3, 3 is 5, etc
$ srt linear-timeshift --f1 00:00:01,000 --t1 00:00:01,000 --f2 00:00:02,000 --t2 00:00:03,000
srt-linear-timeshift 3.5.3 June 2023 SRT-LINEAR-TIMESHIFT(1)