title: amplify
media types:
Video
description: Amplify changes between successive video frames.
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 radius
type: integer
readonly: no
required: no
minimum: 1
maximum: 63
default: 2
description:
set factor
type: float
readonly: no
required: no
minimum: 0
maximum: 65535
default: 2
description:
set threshold
type: float
readonly: no
required: no
minimum: 0
maximum: 65535
default: 10
description:
set tolerance
type: float
readonly: no
required: no
minimum: 0
maximum: 65535
default: 0
description:
set low limit for amplification
type: float
readonly: no
required: no
minimum: 0
maximum: 65535
default: 65535
description:
set high limit for amplification
type: float
readonly: no
required: no
minimum: 0
maximum: 65535
default: 65535
description:
set what planes to filter
type: string
readonly: no
required: no
format: flags
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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