MLT - Documentation

Plugin Information
Notes
Parameters

Plugin Information

title: tblend
media types: Video
description: Blend successive frames.
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.c0_mode

description: set component #0 blend mode
type: string
readonly: no
required: no
format: integer or keyword
values:

addition
addition128
grainmerge
and
average
burn
darken
difference
difference128
grainextract
divide
dodge
exclusion
extremity
freeze
glow
hardlight
hardmix
heat
lighten
linearlight
multiply
multiply128
negation
normal
or
overlay
phoenix
pinlight
reflect
screen
softlight
subtract
vividlight
xor
softdifference
geometric
harmonic
bleach
stain
interpolate
hardoverlay

av.c1_mode

description: set component #1 blend mode
type: string
readonly: no
required: no
format: integer or keyword
values:

addition
addition128
grainmerge
and
average
burn
darken
difference
difference128
grainextract
divide
dodge
exclusion
extremity
freeze
glow
hardlight
hardmix
heat
lighten
linearlight
multiply
multiply128
negation
normal
or
overlay
phoenix
pinlight
reflect
screen
softlight
subtract
vividlight
xor
softdifference
geometric
harmonic
bleach
stain
interpolate
hardoverlay

av.c2_mode

description: set component #2 blend mode
type: string
readonly: no
required: no
format: integer or keyword
values:

addition
addition128
grainmerge
and
average
burn
darken
difference
difference128
grainextract
divide
dodge
exclusion
extremity
freeze
glow
hardlight
hardmix
heat
lighten
linearlight
multiply
multiply128
negation
normal
or
overlay
phoenix
pinlight
reflect
screen
softlight
subtract
vividlight
xor
softdifference
geometric
harmonic
bleach
stain
interpolate
hardoverlay

av.c3_mode

description: set component #3 blend mode
type: string
readonly: no
required: no
format: integer or keyword
values:

addition
addition128
grainmerge
and
average
burn
darken
difference
difference128
grainextract
divide
dodge
exclusion
extremity
freeze
glow
hardlight
hardmix
heat
lighten
linearlight
multiply
multiply128
negation
normal
or
overlay
phoenix
pinlight
reflect
screen
softlight
subtract
vividlight
xor
softdifference
geometric
harmonic
bleach
stain
interpolate
hardoverlay

av.all_mode

description: set blend mode for all components
type: string
readonly: no
required: no
format: integer or keyword
values:

addition
addition128
grainmerge
and
average
burn
darken
difference
difference128
grainextract
divide
dodge
exclusion
extremity
freeze
glow
hardlight
hardmix
heat
lighten
linearlight
multiply
multiply128
negation
normal
or
overlay
phoenix
pinlight
reflect
screen
softlight
subtract
vividlight
xor
softdifference
geometric
harmonic
bleach
stain
interpolate
hardoverlay

av.c0_expr

description: set color component #0 expression
type: string
readonly: no
required: no

av.c1_expr

description: set color component #1 expression
type: string
readonly: no
required: no

av.c2_expr

description: set color component #2 expression
type: string
readonly: no
required: no

av.c3_expr

description: set color component #3 expression
type: string
readonly: no
required: no

av.all_expr

description: set expression for all color components
type: string
readonly: no
required: no

av.c0_opacity

description: set color component #0 opacity
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 1
format: double

av.c1_opacity

description: set color component #1 opacity
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 1
format: double

av.c2_opacity

description: set color component #2 opacity
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 1
format: double

av.c3_opacity

description: set color component #3 opacity
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 1
format: double

av.all_opacity

description: set opacity for all color components
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 1
format: double

av.threads

description: Maximum number of threads
type: integer
readonly: no
required: no
minimum: 0
default: 0

position

description: The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:

frame
filter
source
producer

Filter: avfilter.tblend