'\" te
.\" Copyright (c) 2007, Sun Microsystems, Inc.  All Rights Reserved 
.TH mlib_VideoColorJFIFYCC2RGB420 3MLIB "23 May 2007" "SunOS 5.11" "mediaLib Library Functions"
.SH NAME
mlib_VideoColorJFIFYCC2RGB420 \- JFIF YCbCr to RGB color conversion
.SH SYNOPSIS
.LP
.nf
cc [ \fIflag\fR... ] \fIfile\fR... \fB-lmlib\fR [ \fIlibrary\fR... ]
#include <mlib.h>

\fBmlib_status\fR \fBmlib_VideoColorJFIFYCC2RGB420\fR(\fBmlib_u8 *\fR\fIrgb0\fR,
     \fBmlib_u8 *\fR\fIrgb1\fR, \fBconst mlib_u8 *\fR\fIy0\fR,
     \fBconst mlib_u8 *\fR\fIy1\fR, \fBconst mlib_u8 *\fR\fIcb0\fR,
     \fBconst mlib_u8 *\fR\fIcr0\fR, \fBconst mlib_u8 *\fR\fIcb1\fR,
     \fBconst mlib_u8 *\fR\fIcr1\fR, \fBconst mlib_u8 *\fR\fIcb2\fR,
     \fBconst mlib_u8 *\fR\fIcr2\fR, \fBmlib_s32\fR \fIn\fR);
.fi

.SH DESCRIPTION
.sp
.LP
The \fBmlib_VideoColorJFIFYCC2RGB420()\fR function performs color space conversion from YCbCr to RGB together with sampling rate conversion when used in the JPEG File Interchange Format (JFIF).
.SH PARAMETERS
.sp
.LP
The function takes the following arguments:
.sp
.ne 2
.mk
.na
\fB\fIrgb0\fR\fR
.ad
.RS 8n
.rt  
Pointer to upper destination RGB multi-component row. rgb0 must be 8-byte aligned.
.RE

.sp
.ne 2
.mk
.na
\fB\fIrgb1\fR\fR
.ad
.RS 8n
.rt  
Pointer to lower destination RGB multi-component row. rgb1 must be 8-byte aligned.
.RE

.sp
.ne 2
.mk
.na
\fB\fIy0\fR\fR
.ad
.RS 8n
.rt  
Pointer to upper destination Y component row. y0 must be 8-byte aligned.
.RE

.sp
.ne 2
.mk
.na
\fB\fIy1\fR\fR
.ad
.RS 8n
.rt  
Pointer to lower destination Y component row. y1 must be 8-byte aligned.
.RE

.sp
.ne 2
.mk
.na
\fB\fIcb0\fR\fR
.ad
.RS 8n
.rt  
Pointer to source upper Cb component row. cb0 must be 8-byte aligned.
.RE

.sp
.ne 2
.mk
.na
\fB\fIcr0\fR\fR
.ad
.RS 8n
.rt  
Pointer to source upper Cr component row. cr0 must be 8-byte aligned.
.RE

.sp
.ne 2
.mk
.na
\fB\fIcb1\fR\fR
.ad
.RS 8n
.rt  
Pointer to source middle Cb component row. cb1 must be 8-byte aligned.
.RE

.sp
.ne 2
.mk
.na
\fB\fIcr1\fR\fR
.ad
.RS 8n
.rt  
Pointer to source middle Cr component row. cr1 must be 8-byte aligned.
.RE

.sp
.ne 2
.mk
.na
\fB\fIcb2\fR\fR
.ad
.RS 8n
.rt  
Pointer to source lower Cb component row. cb2 must be 8-byte aligned.
.RE

.sp
.ne 2
.mk
.na
\fB\fIcr2\fR\fR
.ad
.RS 8n
.rt  
Pointer to source lower Cr component row. cr2 must be 8-byte aligned.
.RE

.sp
.ne 2
.mk
.na
\fB\fIn\fR\fR
.ad
.RS 8n
.rt  
Length of Y component row. \fBn\fR must be even. The length of Cb and Cr component rows must be \fBn/2\fR. The length of the RGB multi-component row must be \fB3*n\fR.
.RE

.SH RETURN VALUES
.sp
.LP
The function returns \fBMLIB_SUCCESS\fR if successful. Otherwise it returns \fBMLIB_FAILURE\fR.
.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(5) for descriptions of the following attributes:
.sp

.sp
.TS
tab() box;
cw(2.75i) |cw(2.75i) 
lw(2.75i) |lw(2.75i) 
.
ATTRIBUTE TYPEATTRIBUTE VALUE
_
Interface StabilityCommitted
_
MT-LevelMT-Safe
.TE

.SH SEE ALSO
.sp
.LP
\fBmlib_VideoColorJFIFYCC2RGB420_Nearest\fR(3MLIB), \fBmlib_VideoColorJFIFYCC2RGB422\fR(3MLIB), \fBmlib_VideoColorJFIFYCC2RGB422_Nearest\fR(3MLIB), \fBattributes\fR(5)