title: colorlevels
media types:
Video
description: Adjust the color levels.
version: Lavfi10.4.100
creator: libavfilter maintainers
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.
description:
set input red black point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 0
format: double
description:
set input green black point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 0
format: double
description:
set input blue black point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 0
format: double
description:
set input alpha black point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 0
format: double
description:
set input red white point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 1
format: double
description:
set input green white point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 1
format: double
description:
set input blue white point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 1
format: double
description:
set input alpha white point
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 1
format: double
description:
set output red black point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0
format: double
description:
set output green black point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0
format: double
description:
set output blue black point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0
format: double
description:
set output alpha black point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0
format: double
description:
set output red white point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 1
format: double
description:
set output green white point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 1
format: double
description:
set output blue white point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 1
format: double
description:
set output alpha white point
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 1
format: double
description:
set preserve color mode
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
Maximum number of threads
type: integer
readonly: no
required: no
minimum: 0
default: 0
description:
The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:
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