Content-type: text/html Man page of mlib_VideoDownSample420

mlib_VideoDownSample420

Section: mediaLib Library Functions (3MLIB)
Updated: 2 Mar 2007
Index Return to Main Contents
 

NAME

mlib_VideoDownSample420 - down sampling rate conversion in JFIF  

SYNOPSIS

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

mlib_status mlib_VideoDownSample420(mlib_u8 *dst, const mlib_u8 *src0,
    const mlib_u8 *src1, mlib_s32 n);

 

DESCRIPTION

The mlib_VideoDownSample420() function performs down sampling rate conversion used in JPEG File Interchange Format (JFIF).  

PARAMETERS

The function takes the following arguments:

dst

Pointer to destination row. dst must be 8-byte aligned.

src0

Pointer to upper source row. src0 must be 8-byte aligned.

src1

Pointer to middle source row. src1 must be 8-byte aligned.

n

Length of source rows. n must be greater than 1.

 

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_VideoDownSample420_S16(3MLIB), mlib_VideoDownSample422(3MLIB), mlib_VideoDownSample422_S16(3MLIB), mlib_VideoUpSample420(3MLIB), mlib_VideoUpSample420_Nearest(3MLIB), mlib_VideoUpSample420_Nearest_S16(3MLIB), mlib_VideoUpSample420_S16(3MLIB), mlib_VideoUpSample422(3MLIB), mlib_VideoUpSample422_S16(3MLIB), mlib_VideoUpSample422_Nearest(3MLIB), mlib_VideoUpSample422_Nearest_S16(3MLIB), attributes(5)


 

Index

NAME
SYNOPSIS
DESCRIPTION
PARAMETERS
RETURN VALUES
ATTRIBUTES
SEE ALSO

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Time: 02:38:13 GMT, October 02, 2010