Filter: avfilter.lumakey

Plugin Information

title: lumakey
media types: Video
description: Turns a certain luma into transparency.
version: Lavfi9.12.100
creator: libavfilter maintainers

Notes

Many parameters support animated values (keyframes) but only the numeric ones. Many numeric properties have type string because they accept an expression (see FFmpeg documentation) even though they evaluate to a numeric value.

Parameters

av.threshold

description: set the threshold value
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0
format: double

av.tolerance

description: set the tolerance value
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0.01
format: double

av.softness

description: set the softness value
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0
format: double

av.threads

description: Maximum number of threads
type: integer
readonly: no
required: no
minimum: 0
default: 0

position

description: The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:

  • frame
  • filter
  • source
  • producer

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