Filter: avfilter.bbox

Plugin Information

title: bbox
media types: Video
description: Compute bounding box for each frame.
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.min_val

description: set minimum luminance value for bounding box
type: integer
readonly: no
required: no
minimum: 0
maximum: 65535
default: 16

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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MLT enables you to author, manage, and run multitrack audio/video compositions.
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