Indicates that the original buffer chroma subsampled data was used 411 formatting. In 411 formatting, each pixel has a y value, while u and v values are shared amongst a horizontal line of 4 pixels.
Available in Mac OS X v10.5 and later.
Declaration Syntax Version Information- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)