mediaLib Library Functions
                    mlibVideoColorYUV444seqtoYUYV422int(3MLIB)



NAME
     mlibVideoColorYUV444seqtoYUYV422int - convert YUV sequen-
     tial to interleaved with subsampling

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

     void mlibVideoColorYUV444seqtoYUYV422int(mlibu32 *YUYV,
          const mlibu8 *Y, const mlibu8 *U, const mlibu8 *V, mlibs32 w,
          mlibs32 h, mlibs32 dlb, mlibs32 slb);


DESCRIPTION
     The Y, U, V pixel streams are combined  into  a  YUYV  pixel
     stream.  All  pixel  components are 8-bit unsigned integers.
     The Y, U, and V buffers have dimensions w and h. Dimension w
     is  assumed  to  be a multiple of 2. Adjacent U and V values
     are averaged to get the output U and V values.


     The following equation is used:

       YUYV[r][c/2] = (Y[r][c]  << 24) 
                      (((U[r][c] ] U[r][c]1]) / 2) << 16) 
                      (Y[r][c]1] << 8) 
                      (((V[r][c] ] V[r][c]1]) / 2))



     where r = 0, 1, 2, ..., h-1; and c = 0, 2, 4, ..., w-2.

PARAMETERS
     The function takes the following arguments:

     YUYV    Pointer to output buffer.


     Y       Pointer to Y input buffer.


     U       Pointer to U input buffer.


     V       Pointer to V input buffer.


     w       Image width in pixels.






SunOS 5.11           Last change: 2 Mar 2007                    1






mediaLib Library Functions
                    mlibVideoColorYUV444seqtoYUYV422int(3MLIB)



     h       Image height in lines.


     dlb     Linebytes for output buffer.


     slb     Linebytes for input buffers.


RETURN VALUES
     None.

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



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


SEE ALSO
     mlibVideoColorYUV444seqtoUYVY422int(3MLIB),
     mlibVideoColorYUV444inttoYUYV422int(3MLIB),
     mlibVideoColorYUV444inttoUYVY422int(3MLIB), attributes(5)























SunOS 5.11           Last change: 2 Mar 2007                    2






mediaLib Library Functions
                    mlibVideoColorYUV444seqtoYUYV422int(3MLIB)






















































SunOS 5.11           Last change: 2 Mar 2007                    3