mediaLib Library Functions        mlibVideoDeQuantizeS16(3MLIB)



NAME
     mlibVideoDeQuantizeS16   -   dequantization   of   forward
     Discrete Cosine Transform (DCT) coefficients

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

     mlibstatus mlibVideoDeQuantizeS16(mlibs16 icoeffs[64],
          const mlibd64 dqtable[64]);


DESCRIPTION
     The mlibVideoDeQuantizeS16() function performs dequantiza-
     tion on DCT coefficients.


     The following equation is used:

       icoeffs[i] = icoeffs[i] * dqtable[i];  0 < i < 64


PARAMETERS
     The function takes the following arguments:

     icoeffs    Pointer to the output DCT coefficients:

                  -2048 < icoeffs[i] < 2048

                Note that icoeffs must be 8-byte aligned.


     dqtable    Pointer to dequantizer table coefficients.


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        mlibVideoDeQuantizeS16(3MLIB)



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


SEE ALSO
     mlibVideoDCT2x2S16S16(3MLIB),
     mlibVideoDCT4x4S16S16(3MLIB),
     mlibVideoDCT8x8S16S16(3MLIB),
     mlibVideoDCT8x8S16S16B12(3MLIB),
     mlibVideoDCT8x8S16S16NA(3MLIB),
     mlibVideoDCT8x8S16U8(3MLIB),
     mlibVideoDCT8x8S16U8NA(3MLIB),
     mlibVideoDCT16x16S16S16(3MLIB),
     mlibVideoDCT16x16S16S16B10(3MLIB),
     mlibVideoDeQuantizeInitS16(3MLIB),
     mlibVideoQuantizeS16(3MLIB),
     mlibVideoQuantizeInitS16(3MLIB), attributes(5)

































SunOS 5.11           Last change: 2 Mar 2007                    2