If Velocity is 100, the source moves at the normal frame rate-that is, at the clip’s frame rate. This value is expressed as a percentage of the clip‘s frame rate. Velocity adjusts the velocity of the Source Layer.
The Source Layer menu sets the clip that is affected by the filter. Values between 0 and 99 slow the clip, while values above 100 speed the clip. Choose the desired clip or layer from the Source Layer menu.Ĥ. Apply the BCC Optical Flow filter to the solid or slug.ģ. Give this clip the duration that you want for the final effect.Ģ. Create a solid (After Effects, Premiere Pro), Color track (Red) or slug (Final Cut Pro) that is the same size as the desired source layer. To create an Optical Flow effect that is longer than the duration of the source clip, follow the steps below.ġ. However, the duration of the effect is then limited to the duration of the source media. You can apply Optical Flow directly to the clip that you want to affect.
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FunctionīCC filters come with a library of factory installed presets plus the ability to create your own custom presets and preview them with the BCC FX Browser™.īCC filters also include common controls that configure global effect preferences and other host-specific effect settings.įor more information about working with presets and other common controls, Click Here. The intervening information is created by warping the two frames, estimating where each individual pixel should be at every new in-between point.
Then, only the moving pixels are synthesized, repositioned and composited into the new frame. Optical Flow analyzes the frames before and after the current frame to determine which pixels are moving. In essence, Optical Flow manufactures entire frames. Optical Flow synthesizes frames needed to complete the effect instead of blending adjacent frames as most retiming applications do. Optical Flow generally produces smoother animations than a velocity remap filter.
With this filter, you can smoothly slow down or speed footage. The synthesized frame contains a mixture of the previous and next frames, each distorted by an amount determined by the optical flow estimation. The Optical Flow filter estimates the motion between two frames of video and renders an intermediate frame that interpolates the motion.
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