User`s guide

Specifying the Format of the Image Data
5-9
describe how the bytes of red, green, and blue data are arranged in memory. In packed
formats, the red, green, and blue triplets are grouped together. In nonpacked formats,
all the red data is stored together, followed by all the green data, followed by all the blue
data. The following figure illustrates this distinction.
Packed and Planar Formats
To get more information about video formats, go to the fourcc.org Web site.