title: cropdetect
media types:
Video
description: Auto-detect crop size.
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:
Threshold below which the pixel is considered black
type: float
readonly: no
required: no
minimum: 0
maximum: 65535
default: 0.0941176
description:
Value by which the width/height should be divisible
type: integer
readonly: no
required: no
minimum: 0
default: 16
description:
Recalculate the crop area after this many frames
type: integer
readonly: no
required: no
minimum: 0
default: 0
description:
Number of initial frames to skip
type: integer
readonly: no
required: no
minimum: 0
default: 2
description:
Recalculate the crop area after this many frames
type: integer
readonly: no
required: no
minimum: 0
default: 0
description:
Threshold count of outliers
type: integer
readonly: no
required: no
minimum: 0
default: 0
description:
set mode
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
Set high threshold for edge detection
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0.0980392
description:
Set low threshold for edge detection
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0.0588235
description:
motion vector threshold when estimating video window size
type: integer
readonly: no
required: no
minimum: 0
maximum: 100
default: 8
description:
The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:
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