title: chromanr
media types:
Video
description: Reduce chrominance noise.
version: Lavfi10.1.100
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 y+u+v threshold
type: float
readonly: no
required: no
minimum: 1
maximum: 200
default: 30
description:
set horizontal patch size
type: integer
readonly: no
required: no
minimum: 1
maximum: 100
default: 5
description:
set vertical patch size
type: integer
readonly: no
required: no
minimum: 1
maximum: 100
default: 5
description:
set horizontal step
type: integer
readonly: no
required: no
minimum: 1
maximum: 50
default: 1
description:
set vertical step
type: integer
readonly: no
required: no
minimum: 1
maximum: 50
default: 1
description:
set y threshold
type: float
readonly: no
required: no
minimum: 1
maximum: 200
default: 200
description:
set u threshold
type: float
readonly: no
required: no
minimum: 1
maximum: 200
default: 200
description:
set v threshold
type: float
readonly: no
required: no
minimum: 1
maximum: 200
default: 200
description:
set distance type
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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