.. _net.sf.openfx.Retime:

Retime node
===========

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*This documentation is for version 1.0 of Retime (net.sf.openfx.Retime).*

Description
-----------

Change the timing of the input clip.

See also: http://opticalenquiry.com/nuke/index.php?title=Retime

Inputs
------

+--------+-------------+----------+
| Input  | Description | Optional |
+========+=============+==========+
| Source |             | No       |
+--------+-------------+----------+

Controls
--------

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| Parameter / script name          | Type       | Default | Function                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
 
| Reverse input / ``reverseInput`` | Boolean    | Off     | Reverse the order of the input frames so that last one is first                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
 
| Speed / ``speed``                | Double     | 1       | How much to change the speed of the input clip. To determine which input frame is taken at a given time, the speed is integrated from the beginning of the source frame range to the given time, so that speed can be animated to locally accelerate (speed > 1), decelerate (speed < 1) or reverse (speed < 0) the source clip. Note that this is is not the same as the speed parameter of the Nuke Retime node, which just multiplies the speed value at the current time by the time to obtain the source frame number. |
 
| Warp / ``warp``                  | Parametric |         | Curve that maps input range (after applying speed) to the output range. A low positive slope slows down the input clip, and a negative slope plays it backwards.                                                                                                                                                                                                                                                                                                                                                            |
 
| Filter / ``filter``              | Choice     | Linear  | | How input images are combined to compute the output image.                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|                                  |            |         | | **None (none)**: Do not interpolate, ask for images with fractional time to the input effect. Useful if the input effect can interpolate itself.                                                                                                                                                                                                                                                                                                                                                                          |
|                                  |            |         | | **Nearest (nearest)**: Pick input image with nearest integer time.                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|                                  |            |         | | **Linear (linear)**: Blend the two nearest images with linear interpolation.                                                                                                                                                                                                                                                                                                                                                                                                                                              |
 

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