To use a footage item from the Project panel as an object in an expression, use the global footage method, as in footage("file_name"), and then use any of the attributes below. You can also access a footage object using the source attribute on a layer whose source is a footage item.

width

Return type: Number.

Returns the width of the footage item, in pixels.

height

Return type: Number.

Returns the height of the footage item, in pixels.

duration

Return type: Number.

Returns the duration of the footage item, in seconds.

frameDuration

Return type: Number.

Returns the duration of a frame in the footage item, in seconds.

pixelAspect

Return type: Number.

Returns the pixel aspect ratio of the footage item.

name

Return type: String.

Returns the name of the footage item as shown in the Project panel.