Filter: avfilter.amplify

Plugin Information

title: amplify
media types: Video
description: Amplify changes between successive video frames.
version: Lavfi9.12.100
creator: libavfilter maintainers

Notes

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.

Parameters

av.radius

description: set radius
type: integer
readonly: no
required: no
minimum: 1
maximum: 63
default: 2

av.factor

description: set factor
type: float
readonly: no
required: no
minimum: 0
maximum: 65535
default: 2

av.threshold

description: set threshold
type: float
readonly: no
required: no
minimum: 0
maximum: 65535
default: 10

av.tolerance

description: set tolerance
type: float
readonly: no
required: no
minimum: 0
maximum: 65535
default: 0

av.low

description: set low limit for amplification
type: float
readonly: no
required: no
minimum: 0
maximum: 65535
default: 65535

av.high

description: set high limit for amplification
type: float
readonly: no
required: no
minimum: 0
maximum: 65535
default: 65535

av.planes

description: set what planes to filter
type: string
readonly: no
required: no
format: flags

av.threads

description: Maximum number of threads
type: integer
readonly: no
required: no
minimum: 0
default: 0

position

description: The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:

  • frame
  • filter
  • source
  • producer

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