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.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.38.4.
.TH MELT "1" "November 2025" "melt 7.34.1" "User Commands"
.SH NAME
melt \- author, play, and encode multitrack audio/video compositions
.SH SYNOPSIS
.B melt
[\fIoptions\fR] [\fIproducer \fR[\fIname=value\fR]\fI* \fR]\fI+\fR
.SH OPTIONS
.TP
\fB\-attach\fR filter[:arg] [name=value]*
Attach a filter to the output
.TP
\fB\-attach\-cut\fR filter[:arg] [name=value]*
Attach a filter to a cut
.HP
\fB\-attach\-track\fR filter[:arg] [name=value]* Attach a filter to a track
.TP
\fB\-attach\-clip\fR filter[:arg] [name=value]*
Attach a filter to a producer
.TP
\fB\-audio\-track\fR | \fB\-hide\-video\fR
Add an audio\-only track
.TP
\fB\-blank\fR frames
Add blank silence to a track
.TP
\fB\-chain\fR id[:arg] [name=value]*
Add a producer as a chain
.TP
\fB\-consumer\fR id[:arg] [name=value]*
Set the consumer (sink)
.TP
\fB\-debug\fR
Set the logging level to debug
.TP
\fB\-filter\fR filter[:arg] [name=value]*
Add a filter to the current track
.TP
\fB\-getc\fR
Get keyboard input using getc
.TP
\fB\-group\fR [name=value]*
Apply properties repeatedly
.TP
\fB\-help\fR
Show this message
.TP
\fB\-jack\fR
Enable JACK transport synchronization
.TP
\fB\-join\fR clips
Join multiple clips into one cut
.TP
\fB\-link\fR id[:arg] [name=value]*
Add a link to a chain
.TP
\fB\-loglevel\fR level
Set the logging level (least to most):
.br
quiet panic, fatal, error, warning, info, verbose, debug, timings
.TP
\fB\-mix\fR length
Add a mix between the last two cuts
.TP
\fB\-mixer\fR transition
Add a transition to the mix
.TP
\fB\-null\-track\fR | \fB\-hide\-track\fR
Add a hidden track
.TP
\fB\-profile\fR name
Set the processing settings
.TP
\fB\-progress\fR
Display progress along with position
.TP
\fB\-progress2\fR
Display progress along with position on a new line
.TP
\fB\-query\fR
List all of the registered services
.TP
\fB\-query\fR "consumers" | "consumer"=id
List consumers or show info about one
.TP
\fB\-query\fR "filters" | "filter"=id
List filters or show info about one
.TP
\fB\-query\fR "links" | "link"=id
List links or show info about one
.TP
\fB\-query\fR "producers" | "producer"=id
List producers or show info about one
.TP
\fB\-query\fR "transitions" | "transition"=id
List transitions, show info about one
.TP
\fB\-query\fR "profiles" | "profile"=id
List profiles, show info about one
.TP
\fB\-query\fR "presets" | "preset"=id
List presets, show info about one
.TP
\fB\-query\fR "formats"
List audio/video formats
.TP
\fB\-query\fR "audio_codecs"
List audio codecs
.TP
\fB\-query\fR "video_codecs"
List video codecs
.TP
\fB\-quiet\fR
Set the logging level to quiet
.TP
\fB\-remove\fR
Remove the most recent cut
.TP
\fB\-repeat\fR times
Repeat the last cut
.TP
\fB\-repository\fR path
Set the directory of MLT modules
.TP
\fB\-serialise\fR [filename]
Write the commands to a text file
.TP
\fB\-setlocale\fR
Make numeric strings locale-sensitive (legacy support)
.TP
\fB\-silent\fR
Do not display position/transport
.TP
\fB\-split\fR relative\-frame
Split the last cut into two cuts
.TP
\fB\-swap\fR
Rearrange the last two cuts
.TP
\fB\-track\fR
Add a track
.TP
\fB\-transition\fR id[:arg] [name=value]*
Add a transition
.TP
\fB\-verbose\fR
Set the logging level to verbose
.TP
\fB\-timings\fR
Set the logging level to timings
.TP
\fB\-version\fR
Show the version and copyright
.TP
\fB\-video\-track\fR | \fB\-hide\-audio\fR
Add a video\-only track
.PP
For more help: <https://www.mltframework.org/>
.SH COPYRIGHT
Copyright \(co 2002\-2025 Meltytech, LLC
<https://www.mltframework.org/>
.br
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
