Filter: avfilter.colorlevels

Plugin Information

title: colorlevels
media types: Video
description: Adjust the color levels.
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.rimin

description: set input red black point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 0
format: double

av.gimin

description: set input green black point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 0
format: double

av.bimin

description: set input blue black point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 0
format: double

av.aimin

description: set input alpha black point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 0
format: double

av.rimax

description: set input red white point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 1
format: double

av.gimax

description: set input green white point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 1
format: double

av.bimax

description: set input blue white point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 1
format: double

av.aimax

description: set input alpha white point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 1
format: double

av.romin

description: set output red black point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0
format: double

av.gomin

description: set output green black point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0
format: double

av.bomin

description: set output blue black point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0
format: double

av.aomin

description: set output alpha black point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0
format: double

av.romax

description: set output red white point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 1
format: double

av.gomax

description: set output green white point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 1
format: double

av.bomax

description: set output blue white point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 1
format: double

av.aomax

description: set output alpha white point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 1
format: double

av.preserve

description: set preserve color mode
type: string
readonly: no
required: no
format: integer or keyword
values:

  • none
  • lum
  • max
  • avg
  • sum
  • nrm
  • pwr

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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