mlib_videodownsample420(3mlib) sunos man page | unix.com

mlib_VideoDownSample420(3MLIB)				    mediaLib Library Functions				    mlib_VideoDownSample420(3MLIB)

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 TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

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_VideoUpSam-
       ple422(3MLIB),	  mlib_VideoUpSample422_S16(3MLIB),	mlib_VideoUpSample422_Nearest(3MLIB),	 mlib_VideoUpSample422_Nearest_S16(3MLIB),
       attributes(5)

SunOS 5.10							    9 Nov 2004					    mlib_VideoDownSample420(3MLIB)