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Time Scale compositing node

Stretches or compresses a sequence in time.

This operation stretches or compresses a sequence in time. Frames are either dropped, doubled or interpolated. If interpolation is not used, this operation will not use any cache memory.

Parameters

Scale Method

Select a method for changing the timing.

Modify Sequence Length Only

Changes the length of the sequence without changing the frame rate; the sequence will be longer or shorter in time.

Modify Sequence Length, Same

Changes the length of the sequence Time Span and adjusts the frame rate so the sequence is the same time length.

Modify Frame Rate Only

Only changes the frame rate. The sequence becomes longer or shorter, but the number of frames stays the same.

Modify Frame Rate, Same Time

Changes the frame rate and increases Span or decreases the number of frames to keep the sequence the same time length.

Interpolation

When increasing or decreasing the number of frames in the sequence, this parameter determines the frame(s) to use for the output frames.

Previous Frame

Uses the input frame exactly at or before the time of the output frame.

Closest Frame

Uses the input frame exactly at or closest to the time of the output frame.

Next Frame

Uses the input frame exactly at or after the time of the output frame.

Blend Nearest Frames

Picks the 2 closest frames and linearly blends them together, weighting them with how close each input frames' time is to the output frame.

Frame Rate

The frame rate, for methods that require it.

Length Method

Specifies how to changes the length of the sequence, for Scale Methods that require it (see below).

Length Scale

Changes the length of the sequence by a scale factor. Scales greater than 1 increase the length, scales less than 1 decrease it.

Sequence Length

Specifies the new length of the sequence, in frames.

Length Difference

Specifies how many frames to add or subtract from the input sequence length.

Locals

L

Sequence length

S

Start of sequence

E

End of sequence

IL

Input sequence length

SR

Sequence frame rate

NP

Number of planes in sequence

W,H

Width and height of image

I

Image index (0 at start frame)

IT

Image time (0 at start frame)

AI

Current plane array index

PI

Current plane index

PC

Num of channels in current plane

CXRES

Composite Project X resolution

CYRES

Composite Project Y resolution

CPIXA

Composite Project pixel aspect ratio

CDEPTH

Composite Project raster depth

CBP

Composite Project black point

CWP

Composite Project white point