1MP4SUBTITLE(1)                  MP4v2 Utilities                 MP4SUBTITLE(1)
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NAME

6       mp4subtitle - manual page for mp4subtitle trunk-r507
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SYNOPSIS

9       mp4subtitle [OPTION]... ACTION file...
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DESCRIPTION

12       For  each  mp4  file specified, perform the specified ACTION. An action
13       must be specified. Some options are not applicable to some actions.
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15       ACTIONS
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17       --list list available subtitles
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19       --export TXT
20              export subtitles to TXT
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22       --import TXT
23              import subtitles from TXT
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25       --remove
26              remove all subtitles
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28       OPTIONS
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30       -z, --optimize
31              optimize mp4 file after modification
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33       -y, --dryrun
34              do not actually create or modify any files
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36       -k, --keepgoing
37              continue batch processing even after errors
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39       -o, --overwrite
40              overwrite existing files when creating
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42       -f, --force
43              force overwrite even if file is read-only
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45       -q, --quiet
46              equivalent to --verbose 0
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48       -d, --debug NUM
49              increase debug or long-option to set NUM
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51       -v, --verbose NUM
52              increase verbosity or long-option to set NUM
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54       -h, --help
55              print brief help or long-option for extended help
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57       --version
58              print version information and exit
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60       DEBUG LEVELS (for raw mp4 file I/O)
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62       0      supressed
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64       1      add warnings and errors (default)
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66       2      add table details
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68       3      add implicits
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70       4      everything
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72       VERBOSE LEVELS
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74       0      warnings and errors
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76       1      normal informative messages (default)
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78       2      more informative messages
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80       3      everything
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84MP4v2 trunk-r507                   July 2021                    MP4SUBTITLE(1)