When true the footage is still; when false, it has a time-based component.Examples of still footage are JPEG files, solids, and placeholders with duration o
Tag Archives: duration
addNull()
Creates a new null layer and adds the AVLayer object to this collection. This is the same as choosing Layer > New > Null object.duration Optional, the lengt
importPlaceholder()
Creates and returns a new PlaceholderItem object and adds it to the projectﾒs items array. Same as the File > Import > Placeholder command.name A string con
add()
Creates a new AVLayer object containing the specified item, and adds it to this collection.The new layer honors the Create Layers at Composition Start Time
skipFrames
The number of frames to skip when rendering this item. Use this to do rendering tests that are faster than a full render.A value of 0 skip no frames, and re
duration
Returns the duration, in seconds, of the item. Still footage items have a duration of 0.ﾕ In a CompItem, the value is linked to the duration of the composit
timeSpanDuration
The duration in seconds of the composition to be rendered. The duration is determined by subtracting the start time from the end time. Setting this value is
setProxyWithPlaceholder()
Creates a PlaceholderSource object with specified values, sets this as the value of the proxySource attribute, and sets useProxy to true. It does not preser
AVItem object
The AVItem object provides access to attributes and methods of audio/visual files imported into After Effects.ﾕ AVItem is a subclass of Item. All methods an
frameDuration
The duration of a frame, in seconds. This is the inverse of the frameRate value frames-per-second .Floating-point; read/write.