title: fftfilt
media types:
Video
description: Apply arbitrary expressions to pixels in frequency domain.
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:
adjust gain in Y plane
type: integer
readonly: no
required: no
minimum: 0
maximum: 1000
default: 0
description:
adjust gain in U plane
type: integer
readonly: no
required: no
minimum: 0
maximum: 1000
default: 0
description:
adjust gain in V plane
type: integer
readonly: no
required: no
minimum: 0
maximum: 1000
default: 0
description:
set luminance expression in Y plane
type: string
readonly: no
required: no
default: ‘1’
description:
set chrominance expression in U plane
type: string
readonly: no
required: no
description:
set chrominance expression in V plane
type: string
readonly: no
required: no
description:
specify when to evaluate expressions
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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