title: fade
media types:
Video
description: Fade in/out input video.
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 the fade direction
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
set the fade direction
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
Number of the first frame to which to apply the effect.
type: integer
readonly: no
required: no
minimum: 0
default: 0
description:
Number of the first frame to which to apply the effect.
type: integer
readonly: no
required: no
minimum: 0
default: 0
description:
Number of frames to which the effect should be applied.
type: integer
readonly: no
required: no
minimum: 1
default: 25
description:
Number of frames to which the effect should be applied.
type: integer
readonly: no
required: no
minimum: 1
default: 25
description:
fade alpha if it is available on the input
type: string
readonly: no
required: no
description:
Number of seconds of the beginning of the effect.
type: string
readonly: no
required: no
description:
Number of seconds of the beginning of the effect.
type: string
readonly: no
required: no
description:
Duration of the effect in seconds.
type: string
readonly: no
required: no
description:
Duration of the effect in seconds.
type: string
readonly: no
required: no
description:
set color
type: string
readonly: no
required: no
default: ‘black’
description:
set color
type: string
readonly: no
required: no
default: ‘black’
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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