The Plugin by itself cannot extend the duration of the source it is applied to... so you'll need to help After Effects. If you are making the duration of a piece of footage longer, we think that the most convenient way to do it is to put your footage in a composition that is of the desired final duration (the "pre-comp") and then apply the Plugin to the pre-comp inside of another composition. In the example below, "SourceFootage.mov" is 19 seconds, and the final duration is to be 38 seconds. Note that "SourceFootage.mov" could be another composition that the Plugin is to be applied.

METHOD 1

So we first place SourceFootage.mov in a "pre-comp" named Intermediate Comp, which has the correct final duration of 38 seconds.

After Effects Figure 1. Create an intermediate
or "pre-comp" of the final duration, which in this case is 38 seconds.

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After Effects Figure 2. Apply Plugin (such as FieldsKit Deinterlacer)
to the Intermediate Composition inside the Final Comp.

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There is another workaround to making a clip longer with a Plugin which we mention here because it saves you from "pre-comping" your footage: Drop your source to be processed (we'll call it SourceFootage.mov) into a composition (of course the source may be another composition). Then create a Solid of the same pixel dimensions as SourceFootage.mov. and make the Solid layer have the duration that you need the of the resultant processed source. Apply the Plugin to the Solid layer and set the Source Layer to be SourceFootage (by default, Source Layer will be set to the new Solid layer you just created). In addition, you'll probably want to make the SourceFootage layer invisible (by clicking the eye icon in the composition window), so if you have transparency in your footage the the non-processed footage doesn't show through. You can also do the same thing using an "Adjustment Layer". Both Solid and Adjustment layers inherit the composition duration.

After Effects Figure 3. Make a Solid Layer.
Make sure the pixel dimensions are of the same dimensions as the source footage.

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After Effects Figure 4. Apply Plugin to the Solid Layer,
making sure the Source Layer is set to SourceFootage.

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Note that:

1. Plugin is applied to Solid Layer, which has been set to the correct final duration.
2. Plugin source layer is set to SourceFootage.
3. We also suggest you turn off the visibility of the SourceFootage layer, because seeing it can be visually confusing.

There are other workarounds as well. Yet another workaround to making source footage longer is to first extend its duration by looping it, using After Effects "Interpret Footage." You can then apply the Plugin directly to this extended piece of footage inside of a composition. This will only work with Imported Footage, and not with nested comps.

In order to make a source longer, set the Output | End Behavior of the Source Footage to "Hold Last" and set the number of additional frames so that "Source duration + Hold Frames amount" is equal or larger than the desired amount of frames you want in the end. That's easy. Then apply the Plugin to the extended footage.

RE:Vision Effects Plugins do not support different input and output frame rates in Combustion.

Do not try to apply a Plugin on a source that does not have the same frame rate than the Layer it is currently in. You will get unexpected results.

Suppose that our Source Footage is 10 seconds long. After we apply the Plugin we expect the sequence to be 29 seconds long (19 seconds longer). So we want to make sure that we hold the last frame at least 19 seconds (which at 30fps would be 19*30=570 frames).

Combustion Figure 1. How to extend a sequence in Combustion.

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In order to create an output that is longer than the input you will need to first create a Composite which has the total amount of frames you want to end up with. The Plugin needs to work on a clip that has the desired duration of your Constant Stretched footage. So create a new clip using File->New Clip that is the same duration that you need to end up with, with the same pixel dimensions as your input footage, and all other appropriate attributes. Put the newly created Clip into the Composite. Then apply the Plugin to the newly created clip and set the Source Layer to the source clip you want to process.

Different input and output frame rates using the Plugin is not supported by Commotion.

Note that Commotion does not set the Source Layer upon initial application, so the Plugin will output a semi-transparent blue image until you set it with the appropriate clip.

The Plugin shows up in the submenu "Effects->Video-> Filters->AE Effects->REVision plugins."

In FCP 1.2.5 through FCP 3.0.4, make sure "Always Render In RGB" in the Video Processing settings, in the Sequence settings is ON (in Sequence->Settings..., then select the Video Processing tab). Otherwise you will get flickery or dark results. For FCP 4.0 and later, you do not need to check "Always Render In RGB."

Make sure that the "Square Pixels" option is turned off when viewing any clips with the Plugin applied. Also make sure that the viewer is set at 100% resolution.

IMPORTANT: A Plugin by itself cannot extend the duration of a layer or sequence it is applied to. If you are making the duration of a piece of footage longer you will first need to put your footage in a sequence that is the correct final duration. Makes sure this intermediate sequence is extended to the correct final duration with valid frames (To "trick" the Plugin into producing a frame for ALL of the extended sequence). This is a necessary FCP workaround. Each frame must be unique, or FCP will not rerun the Plugin on each frame. As such you cannot use the Slug or Gradient video generator.

NOTE: We now suggest that you extend the clip by simply appending multiple copies of the original clip along the timeline in the intermediate sequence. This will create a new and different frame at each point in time. Now apply the Plugin to this intermediate extended sequence inside of another sequence. (We no longer suggest that you use the built in Noise video generator of FCP to extend a sequence).

Having different input and output frame rates using the Plugin is not supported by Final Cut Pro.

For example, lets say we want to apply a RE:Vision Effects time-extending Plugin to a 10 second sequence, and that the final sequence will be 30 seconds.

FCP Figure 1. In FCP 1.2.5 through 3.0.4 make sure Always Render In RGB is checked. This is NOT necessary in FCP 4 or later

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FCP Figure 3. First we make an Intermeidate clip and extend the source clip by adding 20 seconds of the original footage. Because the original clip is 10 seconds, then we need to add two more copies of the clip.

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FCP Figure 4. The Plugin should then be applied to
the Intermediate sequence inside of another sequence.

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Users of Premiere 6.0 or 6.5 please see the following subsection

IMPORTANT: A Plugin by itself cannot extend the duration of a layer or sequence it is applied to. If you are making the duration of a piece of footage longer you will first need to put your footage in a sequence that is the correct final duration. Makes sure this intermediate sequence is extended to the correct final duration with valid frames (To "trick" the Plugin into producing a frame for ALL of the extended sequence). This is a necessary Premiere Pro workaround. Each frame must be unique, or Premiere Pro will not rerun the Plugin on each frame. As such you cannot use the Black Video video generator. We suggest you use the built in Universal Counting Lead (see the Premiere Pro manual) , which will create a new and different frame at each point in time (although you can use any piece of footage that changes every frame to pad out the sequence) Now apply the Plugin to this intermediate extended sequence inside of another sequence.

Having different input and output frame rates using the Plugin is not supported by Premiere Pro.

The Plugin by itself may not extend a clip past it's original duration. So let's say we want to make sequence longer by a factor of 2. First we put our clip into a sequence (we've named it Sequence01). We then create a Universal Counting Lead clip (see the Premiere Pro manual) of the required duration to pad the clip to the final duration that we need.

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We then include Sequence01 into another sequence, Sequence02 and apply our plugin to Sequence01.

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For any Premiere projects using the Plugin :

If you are using the QuickTime editing mode:

• It is suggested that "Project Settings > General > Playback Settings > High-Quality Playback" should be checked.
• It is suggested that "Project Settings > General > Playback Settings > High-Quality Scrubbing" should be checked.
• It is suggested that the Plugin Source Layer be set to Current (which is the default).

The Plugin by itself may not extend a clip past it's original duration. So let's say we want to make sequence longer by a factor of 2. In order to make a clip longer, we first put the clip on the timeline OUTSIDE of the current working area. We extend the sequence by appending Black Video behind it on the timeline (see the Premiere manual) to the final duration needed. Then a Virtual Clip is made that has the required expanded duration, and refers to the original clip + Black Video. Make sure the original clip comes first in the Virtual Clip and the Black Video clip comes second (the Plugin won't do what you expect if it's the other way around). We then apply the Plugin to the Virtual Clip, using the appropriate settings that make it longer. That's it. You can later move the Virtual Clip around the timeline as you need, BUT you may not move the clips (the original + Black) that the Virtual Clip points to (see the Premiere manual for explanation).

Note: the Plugin actually changes the frames that are displayed. However, when you walk along the timeline in Premiere, frames are generally displayed pre-Plugin. To see the the Plugined version, you'll need to Render Scrub (see the Premiere manual), or better yet, Preview the working area to RAM or disk (again, see your Premiere manual).

For example, lets say we want to apply a RE:Vision Effects time-extending Plugin to a 10 second sequence, and that the final sequence will be 30 seconds.

We put the source footage on the timeline OUTSIDE of the work area. We then put 20 seconds of Black beyond it on the timeline. We make a virtual clip, with duration of 30 seconds, that includes both the source footage + black video (see the Premiere manual for instructions). We then apply the Plugin virtual clip:

Premiere Figure 1. Set up a virtual clip that includes the
source footage + black video with required total duration

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Premiere Figure 2. It is suggested that the source layer is set to "Current."

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Premiere Figure 3. It is recommended that these two items
be checked when using QuickTime editing.

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