Filter: avfilter.drawgraph

Plugin Information

title: drawgraph
media types: Video
description: Draw a graph using input video metadata.
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.m1

description: set 1st metadata key
type: string
readonly: no
required: no
default: ‘’

av.fg1

description: set 1st foreground color expression
type: string
readonly: no
required: no
default: ‘0xffff0000’

av.m2

description: set 2nd metadata key
type: string
readonly: no
required: no
default: ‘’

av.fg2

description: set 2nd foreground color expression
type: string
readonly: no
required: no
default: ‘0xff00ff00’

av.m3

description: set 3rd metadata key
type: string
readonly: no
required: no
default: ‘’

av.fg3

description: set 3rd foreground color expression
type: string
readonly: no
required: no
default: ‘0xffff00ff’

av.m4

description: set 4th metadata key
type: string
readonly: no
required: no
default: ‘’

av.fg4

description: set 4th foreground color expression
type: string
readonly: no
required: no
default: ‘0xffffff00’

av.bg

description: set background color
type: string
readonly: no
required: no
default: ‘white’

av.min

description: set minimal value
type: float
readonly: no
required: no
minimum: -2147480000.0
maximum: 2147480000.0
default: -1

av.max

description: set maximal value
type: float
readonly: no
required: no
minimum: -2147480000.0
maximum: 2147480000.0
default: 1

av.mode

description: set graph mode
type: string
readonly: no
required: no
format: integer or keyword
values:

  • bar
  • dot
  • line

av.slide

description: set slide mode
type: string
readonly: no
required: no
format: integer or keyword
values:

  • frame
  • replace
  • scroll
  • rscroll
  • picture

av.size

description: set graph size
type: string
readonly: no
required: no

av.s

description: set graph size
type: string
readonly: no
required: no

av.rate

description: set video rate
type: string
readonly: no
required: no

av.r

description: set video rate
type: string
readonly: no
required: no

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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