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— Motion range: When using mixed frame rate clips in a timeline that has Optical Flow retiming selected, or when using Optical Flow to process speed change effects, this drop-down menu lets you choose the default setting to use, small, medium or large motion, for all speed and motion related calculations so you can try and improve the result by matching the type of motion in the source media. This setting can also be changed on a clip by clip basis in the Edit page Inspector.
Image Scaling
The Image Scaling panel contains settings that determine how and when clips are resized for various reasons.
Image Scaling
These settings affect the methods used to resize clips in various situations.
— Resize Filter: The first group of settings lets you choose the filter method used to interpolate image pixels when resizing clips:
— Smoother: May provide higher quality for projects using clips that must be scaled down to fit an SD resolution frame size.
— Bicubic: While the Sharper and Smoother options are slightly higher quality, Bicubic is still an exceptionally good resizing filter and is less processor intensive than either of those options.
— Bilinear: A lower quality setting that is less processor intensive. Useful for previewing your work on a low-performance computer before rendering, when you can switch to one of the higher quality options.
— Sharper: Usually provides the best quality in projects using clips that must be scaled up to fill a larger frame size or scaled down to HD resolutions.
— Custom: This setting lets you take control of the exact algorithm used in all resizing operations. The custom Resize Filter options available are: Bessel, Box, Catmul-Rom, Cubic, Gaussian, Lanczos, Mitchell, Nearest Neighbor, Quadratic, and Sinc. In practice, the difference between these methods can be quite subjective. However, if you need to match a specific resizing method used from another application, you can do it here. For everyday use, the normal resizing filters in DaVinci Resolve should be sufficient.
— Override input scaling: Checking this box lets you choose an Input Sizing preset to apply to the project.
— Override output scaling: Checking this box lets you choose an Output Sizing preset to apply to the project.
— Anti-alias edges: A second group of settings lets you choose how to handle edge anti-aliasing for source blanking.
— Auto: Adds anti-aliasing when any of the Sizing controls are used to transform the image. Otherwise, anti-aliasing is disabled.
— On: Forces anti-aliasing on at all times.
— Off: Disables anti-aliasing. It might be necessary to turn anti-aliasing off if you notice black blurring at the edges of blanking being applied to an image.