title: vignette
media types:
Video
description: Make or reverse a vignette effect.
version: Lavfi9.12.100
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 lens angle
type: string
readonly: no
required: no
default: ‘PI/5’
description:
set lens angle
type: string
readonly: no
required: no
default: ‘PI/5’
description:
set circle center position on x-axis
type: string
readonly: no
required: no
default: ‘w/2’
description:
set circle center position on y-axis
type: string
readonly: no
required: no
default: ‘h/2’
description:
set forward/backward mode
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
specify when to evaluate expressions
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
set dithering
type: string
readonly: no
required: no
description:
set aspect ratio
type: string
readonly: no
required: no
format: numerator/denominator
description:
The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:
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