mediaLib Library Functions   mlibVideoColorJFIFYC2RGB420(3MLIB)



NAME
     mlibVideoColorJFIFYC2RGB420 -  JFIF  YCbCr  to  RGB  color
     conversion

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

     mlibstatus mlibVideoColorJFIFYC2RGB420(mlibu8 *rgb0,
          mlibu8 *rgb1, const mlibu8 *y0,
          const mlibu8 *y1, const mlibu8 *cb0,
          const mlibu8 *cr0, const mlibu8 *cb1,
          const mlibu8 *cr1, const mlibu8 *cb2,
          const mlibu8 *cr2, mlibs32 n);


DESCRIPTION
     The mlibVideoColorJFIFYC2RGB420() function performs  color
     space  conversion  from  YCbCr to RGB together with sampling
     rate conversion when used in the JPEG File Interchange  For-
     mat (JFIF).

PARAMETERS
     The function takes the following arguments:

     rgb0    Pointer to  upper  destination  RGB  multi-component
             row. rgb0 must be 8-byte aligned.


     rgb1    Pointer to  lower  destination  RGB  multi-component
             row. rgb1 must be 8-byte aligned.


     y0      Pointer to upper destination  Y  component  row.  y0
             must be 8-byte aligned.


     y1      Pointer to lower destination  Y  component  row.  y1
             must be 8-byte aligned.


     cb0     Pointer to source upper Cb component row.  cb0  must
             be 8-byte aligned.


     cr0     Pointer to source upper Cr component row.  cr0  must
             be 8-byte aligned.


     cb1     Pointer to source middle Cb component row. cb1  must
             be 8-byte aligned.




SunOS 5.11          Last change: 23 May 2007                    1






mediaLib Library Functions   mlibVideoColorJFIFYC2RGB420(3MLIB)



     cr1     Pointer to source middle Cr component row. cr1  must
             be 8-byte aligned.


     cb2     Pointer to source lower Cb component row.  cb2  must
             be 8-byte aligned.


     cr2     Pointer to source lower Cr component row.  cr2  must
             be 8-byte aligned.


     n       Length of Y component  row.  n  must  be  even.  The
             length  of Cb and Cr component rows must be n/2. The
             length of the RGB multi-component row must be 3*n.


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

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



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


SEE ALSO
     mlibVideoColorJFIFYC2RGB420Nearest(3MLIB),
     mlibVideoColorJFIFYC2RGB422(3MLIB),
     mlibVideoColorJFIFYC2RGB422Nearest(3MLIB), attributes(5)















SunOS 5.11          Last change: 23 May 2007                    2