Manual Pages for UNIX Operating System command usage for man mlib_VideoDCT8x8Quantize_S16_U8_NA

mediaLib Library Functions
                        mlib_VideoDCT8x8Quantize_S16_U8_NA(3MLIB)



NAME
     mlib_VideoDCT8x8Quantize_S16_U8_NA - forward Discrete Cosine
     Transform (DCT) and quantization

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

     mlib_status mlib_VideoDCT8x8Quantize_S16_U8_NA(
          mlib_s16 coeffs[64], const mlib_u8 *block,
          const mlib_d64 dqtable[64], mlib_s32 stride);


DESCRIPTION
     The mlib_VideoDCT8x8Quantize_S16_U8_NA()  function  computes
     the  forward  DCT  and  then quantizes the DCT coefficients.
     It's  a  combination  of  mlib_VideoDCT8x8_S16_U8_NA()   and
     mlib_VideoQuantize_S16() 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
                mlib_VideoQuantizeInit_S16().


     stride     Stride in bytes  between  adjacent  rows  in  the
                block.


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_VideoDCT8x8Quantize_S16_U8_NA(3MLIB)



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


SEE ALSO
     mlib_VideoDCT8x8Quantize_S16_S16_B12(3MLIB),
     mlib_VideoDCT8x8Quantize_S16_S16_B12_NA(3MLIB),
     mlib_VideoDCT8x8Quantize_S16_U8(3MLIB),
     mlib_VideoQuantizeInit_S16(3MLIB), attributes(5)








































SunOS 5.11           Last change: 2 Mar 2007                    2






mediaLib Library Functions
                        mlib_VideoDCT8x8Quantize_S16_U8_NA(3MLIB)






















































SunOS 5.11           Last change: 2 Mar 2007                    3