1MELT(1)                          User Commands                         MELT(1)
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NAME

6       mlt-melt - author, play, and encode multitrack audio/video compositions
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SYNOPSIS

9       mlt-melt [options] [producer [name=value]* ]+
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OPTIONS

12       -attach filter[:arg] [name=value]*
13              Attach a filter to the output
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15       -attach-cut filter[:arg] [name=value]*
16              Attach a filter to a cut
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18       -attach-track filter[:arg] [name=value]* Attach a filter to a track
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20       -attach-clip filter[:arg] [name=value]*
21              Attach a filter to a producer
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23       -audio-track | -hide-video
24              Add an audio-only track
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26       -blank frames
27              Add blank silence to a track
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29       -consumer id[:arg] [name=value]*
30              Set the consumer (sink)
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32       -debug Set the logging level to debug
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34       -filter filter[:arg] [name=value]*
35              Add a filter to the current track
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37       -group [name=value]*
38              Apply properties repeatedly
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40       -help  Show this message
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42       -jack  Enable JACK transport synchronization
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44       -join clips
45              Join multiple clips into one cut
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47       -mix length
48              Add a mix between the last two cuts
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50       -mixer transition
51              Add a transition to the mix
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53       -null-track | -hide-track
54              Add a hidden track
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56       -profile name
57              Set the processing settings
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59       -progress
60              Display progress along with position
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62       -query List all of the registered services
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64       -query "consumers" | "consumer"=id
65              List consumers or show info about one
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67       -query "filters" | "filter"=id
68              List filters or show info about one
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70       -query "producers" | "producer"=id
71              List producers or show info about one
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73       -query "transitions" | "transition"=id
74              List transitions, show info about one
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76       -query "profiles" | "profile"=id
77              List profiles, show info about one
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79       -query "presets" | "preset"=id
80              List presets, show info about one
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82       -query "formats"
83              List audio/video formats
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85       -query "audio_codecs"
86              List audio codecs
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88       -query "video_codecs"
89              List video codecs
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91       -quiet Set  the  logging  level  to  quiet  and  do  not  display posi‐
92              tion/transport
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94       -remove
95              Remove the most recent cut
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97       -repeat times
98              Repeat the last cut
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100       -repository path
101              Set the directory of MLT plugins
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103       -serialise [filename]
104              Write the commands to a text file
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106       -silent
107              Do not display position/transport
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109       -split relative-frame
110              Split the last cut into two cuts
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112       -swap  Rearrange the last two cuts
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114       -track Add a track
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116       -transition id[:arg] [name=value]*
117              Add a transition
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119       -verbose
120              Set the logging level to verbose
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122       -version
123              Show the version and copyright
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125       -video-track | -hide-audio
126              Add a video-only track
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128       For more help: <https://www.mltframework.org/>
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131       Copyright © 2002-2020 Meltytech, LLC <https://www.mltframework.org/>
132       This is free software; see the source for copying conditions.  There is
133       NO  warranty;  not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
134       PURPOSE.
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138mlt-melt 6.26.1                   April 2021                           MELT(1)
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