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kVTCompressionPropertyKey_AspectRatio16x9

A Boolean value indicating whether the DV video stream should have the 16x9 flag set.

Declaration

let kVTCompressionPropertyKey_AspectRatio16x9: CFString

Discussion

This property is supported by the DV25/50 family of encoders.

When false, the picture aspect ratio is 4:3. When true, the picture aspect ratio is 16:9. Either way, a fixed aspect ratio is used (the specific value depends on whether the format is NTSC or PAL).

See Also

Clean Aperture and Pixel Aspect Ratio