Adobe 65009963 Scripting Manual page 67

JavaScript Reference
FootageSource object
a pp .p r o j e c t .i te m (i nd e x) .m a in So u r c e
a pp .p r o j e c t .i te m (i nd e x) .p roxySour ce
Description
The FootageSource object holds information describing the source of some footage. It is used as the
of a FootageItem, or the
m a i n So u r c e
on page 64 and "CompItem object" on page 52.
• FootageSource is the base class for SolidSource, so FootageSource attributes and methods are available
when working with SolidSource objects. See "SolidSource object" on page 168.
Attributes
Attribute
h as Al ph a
a l ph aMo de
p r e m u l C o l o r
i n v e r tA l ph a
i s St i l l
f i e l dS e pa r at i o n T y p e
h ig h Qu a l i ty F i e l d S e p a r a ti o n
r e m o v e P u l ld o w n
l o o p
na tive Fr ame Rat e
d i sp l ay F r a m e R ate
c o n f o r m F r a m e R a t e
Methods
Method
g u e s s A l p h a M o d e ( )
g u e ss P u l l d o w n ()
of a CompItem or FootageItem. See "FootageItem object"
pr ox y So urc e
Reference
"FootageSource hasAlpha attribute" on
page 70
"FootageSource alphaMode attribute"
on page 68
"FootageSource premulColor attribute"
on page 71
"FootageSource invertAlpha attribute"
on page 70
"FootageSource isStill attribute" on
page 70
"FootageSource fieldSeparationType
attribute" on page 69
"FootageSource highQualityFieldSepa-
ration attribute" on page 70
"FootageSource removePulldown
attribute" on page 71
"FootageSource loop attribute" on
page 71
"FootageSource nativeFrameRate
attribute" on page 71
"FootageSource displayFrameRate
attribute" on page 68
"FootageSource conformFrameRate
attribute" on page 68
Reference
"FootageSource guessAlphaMode()
method" on page 69
"FootageSource guessPulldown()
method" on page 69
FootageSource object
Description
When true, a footage clip or proxy includes an
alpha channel.
The mode of an alpha channel.
The color to be premultiplied.
When true, an alpha channel in a footage clip or
proxy should be inverted.
When true, footage is a still image.
The field separation type.
How the fields are to be separated in non-still foot-
age.
The pulldown type for the footage.
How many times an image sequence is set to loop.
The native frame rate of the footage.
The effective frame rate as displayed and rendered
in compositions by After Effects.
The rate to which footage should conform.
Description
a l p h a M o d e
Estimates the setting.
p u l l do wn T yp e
Estimates the
67
setting.
67