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

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

9       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       -chain id[:arg] [name=value]*
30              Add a producer as a chain
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32       -consumer id[:arg] [name=value]*
33              Set the consumer (sink)
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35       -debug Set the logging level to debug
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37       -filter filter[:arg] [name=value]*
38              Add a filter to the current track
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40       -getc  Get keyboard input using getc
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42       -group [name=value]*
43              Apply properties repeatedly
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45       -help  Show this message
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47       -jack  Enable JACK transport synchronization
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49       -join clips
50              Join multiple clips into one cut
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52       -link id[:arg] [name=value]*
53              Add a link to a chain
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55       -mix length
56              Add a mix between the last two cuts
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58       -mixer transition
59              Add a transition to the mix
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61       -null-track | -hide-track
62              Add a hidden track
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64       -profile name
65              Set the processing settings
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67       -progress
68              Display progress along with position
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70       -query List all of the registered services
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72       -query "consumers" | "consumer"=id
73              List consumers or show info about one
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75       -query "filters" | "filter"=id
76              List filters or show info about one
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78       -query "producers" | "producer"=id
79              List producers or show info about one
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81       -query "transitions" | "transition"=id
82              List transitions, show info about one
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84       -query "profiles" | "profile"=id
85              List profiles, show info about one
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87       -query "presets" | "preset"=id
88              List presets, show info about one
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90       -query "formats"
91              List audio/video formats
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93       -query "audio_codecs"
94              List audio codecs
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96       -query "video_codecs"
97              List video codecs
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99       -quiet Set the logging level to quiet
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101       -remove
102              Remove the most recent cut
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104       -repeat times
105              Repeat the last cut
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107       -repository path
108              Set the directory of MLT modules
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110       -serialise [filename]
111              Write the commands to a text file
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113       -silent
114              Do not display position/transport
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116       -split relative-frame
117              Split the last cut into two cuts
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119       -swap  Rearrange the last two cuts
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121       -track Add a track
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123       -transition id[:arg] [name=value]*
124              Add a transition
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126       -verbose
127              Set the logging level to verbose
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129       -timings
130              Set the logging level to timings
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132       -version
133              Show the version and copyright
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135       -video-track | -hide-audio
136              Add a video-only track
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138       For more help: <https://www.mltframework.org/>
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141       Copyright © 2002-2021 Meltytech, LLC <https://www.mltframework.org/>
142       This is free software; see the source for copying conditions.  There is
143       NO warranty; not even for MERCHANTABILITY or FITNESS FOR  A  PARTICULAR
144       PURPOSE.
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148melt 7.4.0                       December 2021                         MELT(1)
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