Adobe Photoshop CS4 - Manual (Page 583)

576 USING PHOTOSHOP CS4
Video and animation
Last updated 1/10/2010
QuickTime movie size settings
The following settings are available in the Export Size Settings dialog box:
Dimensions Specifies the frame size for your exported movie. If you want to specify a frame size not included in the
Dimensions menu, choose Custom and enter values for Width and Height.
Preserve Aspect Ratio Using Specifies an option if the movie is scaled to a new frame size. Letterbox scales the source
proportionally to fit into the clean aperture, adding black bars to the top and bottom or sides as necessary. Crop
centers, scales, and trims to the clean aperture. Fit Within Dimensions adjusts to the destination size by fitting to the
longest side, scaling if necessary.
Deinterlace Source Video Deinterlaces the two fields in each interlaced video frame.