Filter: avfilter.curves

Plugin Information

title: curves
media types: Video
description: Adjust components curves.
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.preset

description: select a color curves preset
type: string
readonly: no
required: no
format: integer or keyword
values:

  • none
  • color_negative
  • cross_process
  • darker
  • increase_contrast
  • lighter
  • linear_contrast
  • medium_contrast
  • negative
  • strong_contrast
  • vintage

av.master

description: set master points coordinates
type: string
readonly: no
required: no

av.m

description: set master points coordinates
type: string
readonly: no
required: no

av.red

description: set red points coordinates
type: string
readonly: no
required: no

av.r

description: set red points coordinates
type: string
readonly: no
required: no

av.green

description: set green points coordinates
type: string
readonly: no
required: no

av.g

description: set green points coordinates
type: string
readonly: no
required: no

av.blue

description: set blue points coordinates
type: string
readonly: no
required: no

av.b

description: set blue points coordinates
type: string
readonly: no
required: no

av.all

description: set points coordinates for all components
type: string
readonly: no
required: no

av.psfile

description: set Photoshop curves file name
type: string
readonly: no
required: no

av.plot

description: save Gnuplot script of the curves in specified file
type: string
readonly: no
required: no

av.interp

description: specify the kind of interpolation
type: string
readonly: no
required: no
format: integer or keyword
values:

  • natural
  • pchip

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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