mediaLib Library Functions
                        mlibVideoDCT8x8QuantizeS16U8NA(3MLIB)



NAME
     mlibVideoDCT8x8QuantizeS16U8NA - forward Discrete Cosine
     Transform (DCT) and quantization

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

     mlibstatus mlibVideoDCT8x8QuantizeS16U8NA(
          mlibs16 coeffs[64], const mlibu8 *block,
          const mlibd64 dqtable[64], mlibs32 stride);


DESCRIPTION
     The mlibVideoDCT8x8QuantizeS16U8NA()  function  computes
     the  forward  DCT  and  then quantizes the DCT coefficients.
     It's  a  combination  of  mlibVideoDCT8x8S16U8NA()   and
     mlibVideoQuantizeS16() for better performance.


     This function requires no special address alignment.


     This function can be used in JPEG with 8-bit  precision,  or
     in MPEG for the intra mode.

PARAMETERS
     The function takes the following arguments:

     coeffs     Pointer to the quantized DCT coefficients.


     block      Pointer to an 8x8 block.


     dqtable    Pointer to the quantization  table  generated  by
                mlibVideoQuantizeInitS16().


     stride     Stride in bytes  between  adjacent  rows  in  the
                block.


RETURN VALUES
     The function returns MLIBSUCES if  successful.  Otherwise
     it returns MLIBFAILURE.

ATRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:




SunOS 5.11           Last change: 2 Mar 2007                    1






mediaLib Library Functions
                        mlibVideoDCT8x8QuantizeS16U8NA(3MLIB)



     
           ATRIBUTE TYPE               ATRIBUTE VALUE       
    
     Interface Stability          Committed                   
    
     MT-Level                     MT-Safe                     
    


SEE ALSO
     mlibVideoDCT8x8QuantizeS16S16B12(3MLIB),
     mlibVideoDCT8x8QuantizeS16S16B12NA(3MLIB),
     mlibVideoDCT8x8QuantizeS16U8(3MLIB),
     mlibVideoQuantizeInitS16(3MLIB), attributes(5)








































SunOS 5.11           Last change: 2 Mar 2007                    2






mediaLib Library Functions
                        mlibVideoDCT8x8QuantizeS16U8NA(3MLIB)






















































SunOS 5.11           Last change: 2 Mar 2007                    3