Value

Meaning

FILE_CMP

LEAD CMP compression format.

FILE_JFIF

JPEG File Interchange Format using YUV 4:4:4 color spacing.

FILE_LEAD2JFIF

JPEG File Interchange Format using YUV 4:2:2 color spacing.

FILE_LEAD1JFIF

JPEG File Interchange Format using YUV 4:1:1 color spacing.

FILE_EXIF_JPEG_411

Exif 2.0 file containing a JPEG compressed image. uses 4:1:1 subsampling (called 4:2:0 sampling in other places).