Content-type: text/html Man page of mlib_VideoColorARGB2JFIFYCC420

mlib_VideoColorARGB2JFIFYCC420

Section: mediaLib Library Functions (3MLIB)
Updated: 23 May 2007
Index Return to Main Contents
 

NAME

mlib_VideoColorARGB2JFIFYCC420 - ARGB to JFIF YCbCr color conversion  

SYNOPSIS

cc [ flag... ] file... -lmlib [ library... ]
#include <mlib.h>

mlib_status mlib_VideoColorARGB2JFIFYCC420(mlib_u8 *y0, 
    mlib_u8 *y1, mlib_u8 *cb, mlib_u8 *cr, const mlib_u8 *argb0, 
    const mlib_u8 *argb1, mlib_s32 n);

 

DESCRIPTION

The mlib_VideoColorARGB2JFIFYCC420() function performs color space conversion from ARGB to YCbCr together with sampling rate conversion when used in the JPEG File Interchange Format (JFIF).  

PARAMETERS

The function takes the following arguments:

y0

Pointer to upper destination Y component row. y0 must be 8-byte aligned.

y1

Pointer to lower destination Y component row. y1 must be 8-byte aligned.

cb

Pointer to destination Cb component row. cb must be 8-byte aligned.

cr

Pointer to destination Cr component row. cr must be 8-byte aligned.

argb0

Pointer to upper source ARGB multi-component row. argb0 must be 8-byte aligned.

argb1

Pointer to lower source ARGB multi-component row. argb1 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 length of the ARGB multi-component row must be 4*n.

 

RETURN VALUES

The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.  

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPEATTRIBUTE VALUE

Interface StabilityCommitted

MT-Level

 

SEE ALSO

mlib_VideoColorABGR2JFIFYCC420(3MLIB), mlib_VideoColorABGR2JFIFYCC422(3MLIB), mlib_VideoColorARGB2JFIFYCC422(3MLIB), mlib_VideoColorRGB2JFIFYCC420(3MLIB), mlib_VideoColorRGB2JFIFYCC422(3MLIB), attributes(5)


 

Index

NAME
SYNOPSIS
DESCRIPTION
PARAMETERS
RETURN VALUES
ATTRIBUTES
SEE ALSO

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Time: 02:38:03 GMT, October 02, 2010