Manual Pages for UNIX Operating System command usage for man mlib_VideoIDCT8x8_S16_S16_DC

mediaLib Library Functions    mlib_VideoIDCT8x8_S16_S16_DC(3MLIB)



NAME
     mlib_VideoIDCT8x8_S16_S16_DC  -  inverse   Discrete   Cosine
     Transform

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

     mlib_status mlib_VideoIDCT8x8_S16_S16_DC(mlib_s16 *block,
          const mlib_s16 *coeffs);


DESCRIPTION
     The mlib_VideoIDCT8x8_S16_S16_DC() function can be used only
     when  F(0,0) is nonzero. It computes the inverse DCT (called
     IDCT) for the output IDCT block of data  type  mlib_s16  and
     input  DCT coefficients of data type mlib_s16. This function
     is not guaranteed to be IEEE-1180-compliant. The  output  of
     the IDCT routine is the difference between the current block
     and the reference block. The  difference  pixel  can  occupy
     nine  bits  and is represented as a 16-bit datum. The output
     must be added to the motion-compensated reference  block  in
     order to reconstruct the current block.

PARAMETERS
     The function takes the following arguments:

     block     Pointer to the current block. block must be 8-byte
               aligned.


     coeffs    Pointer to the  source  DCT  coefficients.  coeffs
               must be 8-byte aligned.


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_VideoIDCT8x8_S16_S16_DC(3MLIB)



     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Interface Stability         | Committed                   |
    |_____________________________|_____________________________|
    | MT-Level                    | MT-Safe                     |
    |_____________________________|_____________________________|


SEE ALSO
     mlib_VideoIDCT_IEEE_S16_S16(3MLIB),
     mlib_VideoIDCT8x8_S16_S16(3MLIB),
     mlib_VideoIDCT8x8_S16_S16_NA(3MLIB),
     mlib_VideoIDCT8x8_S16_S16_Q1(3MLIB),
     mlib_VideoIDCT8x8_U8_S16(3MLIB),
     mlib_VideoIDCT8x8_U8_S16_DC(3MLIB),
     mlib_VideoIDCT8x8_U8_S16_NA(3MLIB),
     mlib_VideoIDCT8x8_U8_S16_Q1(3MLIB), attributes(5)





































SunOS 5.11           Last change: 2 Mar 2007                    2