Manual Pages for UNIX Operating System command usage for man mlib_VideoDownSample420

mediaLib Library Functions         mlib_VideoDownSample420(3MLIB)



NAME
     mlib_VideoDownSample420 - down sampling rate  conversion  in
     JFIF

SYNOPSIS
     cc [ flag... ] file... -lmlib [ library... ]
     #include 

     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  sam-
     pling  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  attri-
     butes:













SunOS 5.11           Last change: 2 Mar 2007                    1






mediaLib Library Functions         mlib_VideoDownSample420(3MLIB)



     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Interface Stability         | Committed                   |
    |_____________________________|_____________________________|
    | 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_VideoUpSample422(3MLIB),
     mlib_VideoUpSample422_S16(3MLIB),
     mlib_VideoUpSample422_Nearest(3MLIB),
     mlib_VideoUpSample422_Nearest_S16(3MLIB), attributes(5)


































SunOS 5.11           Last change: 2 Mar 2007                    2