title: convolution
media types:
Video
description: Apply convolution filter.
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 matrix for 1st plane
type: string
readonly: no
required: no
default: ‘0 0 0 0 1 0 0 0 0’
description:
set matrix for 2nd plane
type: string
readonly: no
required: no
default: ‘0 0 0 0 1 0 0 0 0’
description:
set matrix for 3rd plane
type: string
readonly: no
required: no
default: ‘0 0 0 0 1 0 0 0 0’
description:
set matrix for 4th plane
type: string
readonly: no
required: no
default: ‘0 0 0 0 1 0 0 0 0’
description:
set rdiv for 1st plane
type: float
readonly: no
required: no
minimum: 0
maximum: 2147480000.0
default: 0
description:
set rdiv for 2nd plane
type: float
readonly: no
required: no
minimum: 0
maximum: 2147480000.0
default: 0
description:
set rdiv for 3rd plane
type: float
readonly: no
required: no
minimum: 0
maximum: 2147480000.0
default: 0
description:
set rdiv for 4th plane
type: float
readonly: no
required: no
minimum: 0
maximum: 2147480000.0
default: 0
description:
set bias for 1st plane
type: float
readonly: no
required: no
minimum: 0
maximum: 2147480000.0
default: 0
description:
set bias for 2nd plane
type: float
readonly: no
required: no
minimum: 0
maximum: 2147480000.0
default: 0
description:
set bias for 3rd plane
type: float
readonly: no
required: no
minimum: 0
maximum: 2147480000.0
default: 0
description:
set bias for 4th plane
type: float
readonly: no
required: no
minimum: 0
maximum: 2147480000.0
default: 0
description:
set matrix mode for 1st plane
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
set matrix mode for 2nd plane
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
set matrix mode for 3rd plane
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
set matrix mode for 4th plane
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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