mediaLib Library Functions mlib_VideoColorRGB2JFIFYCC422(3MLIB)
NAME
mlib_VideoColorRGB2JFIFYCC422 - RGB to JFIF YCbCr color
conversionSYNOPSIS
cc [ flag... ] file... -lmlib [ library... ]
#include
mlib_status mlib_VideoColorRGB2JFIFYCC422(mlib_u8 *y, mlib_u8 *cb,
mlib_u8 *cr, const mlib_u8 *rgb, mlib_s32 n);
DESCRIPTION
The mlib_VideoColorRGB2JFIFYCC422() function performs color
space conversion from RGB to YCbCr together with samplingrate conversion when used in the JPEG File Interchange For-
mat (JFIF).PARAMETERS
The function takes the following arguments:y Pointer to destination Y component row. y must be 8-
byte aligned. cb Pointer to destination Cb component row. cb must be8-byte aligned.
cr Pointer to destination Cr component row. cr must be8-byte aligned.
rgb Pointer to source RGB multi-component row. rgb must
be 8-byte aligned.
n Length of Y component row. n must be even. The length of Cb and Cr component rows must be n/2. The lengthof the RGB multi-component row must be 3*n.
RETURN VALUES
The function returns MLIB_SUCCESS if successful. Otherwise
it returns MLIB_FAILURE.
ATTRIBUTES
See attributes(5) for descriptions of the following attri-
butes:SunOS 5.11 Last change: 2 Mar 2007 1
mediaLib Library Functions mlib_VideoColorRGB2JFIFYCC422(3MLIB)
____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Interface Stability | Committed ||_____________________________|_____________________________|
| MT-Level | MT-Safe |
|_____________________________|_____________________________|
SEE ALSO
mlib_VideoColorABGR2JFIFYCC420(3MLIB),
mlib_VideoColorABGR2JFIFYCC422(3MLIB),
mlib_VideoColorARGB2JFIFYCC420(3MLIB),
mlib_VideoColorARGB2JFIFYCC422(3MLIB),
mlib_VideoColorRGB2JFIFYCC420(3MLIB), attributes(5)
SunOS 5.11 Last change: 2 Mar 2007 2