1mlib_VideoColorJFIFYCC2RGB4m4e4d(i3aMLLiIbB)LibrarymFluinbc_tViiodnesoColorJFIFYCC2RGB444(3MLIB)
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NAME

6       mlib_VideoColorJFIFYCC2RGB444 - JFIF YCbCr to RGB color conversion
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SYNOPSIS

9       cc [ flag... ] file... -lmlib [ library... ]
10       #include <mlib.h>
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12       mlib_status mlib_VideoColorJFIFYCC2RGB444(mlib_u8 *rgb, const mlib_u8 *y,
13            const mlib_u8 *cb, const mlib_u8 *cr, mlib_s32 n);
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DESCRIPTION

17       The  mlib_VideoColorJFIFYCC2RGB444() function performs color space con‐
18       version from YCbCr to RGB when used in the JPEG File Interchange Format
19       (JFIF).
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22       The following equation is used:
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24         R = Y                        + 1.40200 * (Cr - 128)
25         G = Y - 0.34414 * (Cb - 128) - 0.71414 * (Cr - 128)
26         B = Y + 1.77200 * (Cb - 128)
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PARAMETERS

30       The function takes the following arguments:
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32       rgb    Pointer  to  destination  RGB  multi-component  row. rgb must be
33              8-byte aligned.
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36       y      Pointer to source Y component row. y must be 8-byte aligned.
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39       cb     Pointer to source Cb component row. cb must be 8-byte aligned.
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42       cr     Pointer to source Cr component row. cr must be 8-byte aligned.
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45       n      Length of Y component row. The length of  Cb  and  Cr  component
46              rows  must  be n. The length of the RGB multi-component row must
47              be 3*n.
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RETURN VALUES

51       The function returns MLIB_SUCCESS if successful. Otherwise  it  returns
52       MLIB_FAILURE.
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ATTRIBUTES

55       See attributes(5) for descriptions of the following attributes:
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60       ┌─────────────────────────────┬─────────────────────────────┐
61       │      ATTRIBUTE TYPE         │      ATTRIBUTE VALUE        │
62       ├─────────────────────────────┼─────────────────────────────┤
63       │Interface Stability          │Committed                    │
64       ├─────────────────────────────┼─────────────────────────────┤
65       │MT-Level                     │MT-Safe                      │
66       └─────────────────────────────┴─────────────────────────────┘
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SEE ALSO

69       mlib_VideoColorJFIFYCC2ABGR444(3MLIB),              mlib_VideoColorJFI‐
70       FYCC2ARGB444(3MLIB),          mlib_VideoColorJFIFYCC2RGB444_S16(3MLIB),
71       attributes(5)
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75SunOS 5.11                        23 May 20m0l7ib_VideoColorJFIFYCC2RGB444(3MLIB)
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