1mlib_VideoUpSample420(3MLIBm)ediaLib Library Functionmslib_VideoUpSample420(3MLIB)
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NAME

6       mlib_VideoUpSample420 - up sampling rate conversion in JFIF
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SYNOPSIS

9       cc [ flag... ] file... -lmlib [ library... ]
10       #include <mlib.h>
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12       mlib_status mlib_VideoUpSample420(mlib_u8 *dst0, mlib_u8 *dst1,
13            const mlib_u8 *src0, const mlib_u8 *src1,
14            const mlib_u8 *src2, mlib_s32 n);
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DESCRIPTION

18       The  mlib_VideoUpSample420() function performs up sampling rate conver‐
19       sion used in JPEG File Interchange Format (JFIF).
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PARAMETERS

22       The function takes the following arguments:
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24       dst0    Pointer to upper destination row. dst0 must be 8-byte aligned.
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27       dst1    Pointer to lower destination row. dst1 must be 8-byte aligned.
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30       src0    Pointer to upper source row. src0 must be 8-byte aligned.
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33       src1    Pointer to middle source row. src1 must be 8-byte aligned.
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36       src2    Pointer to lower source row. src2 must be 8-byte aligned.
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39       n       Length of source rows. n must be greater than 1.
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RETURN VALUES

43       The function returns MLIB_SUCCESS if successful. Otherwise  it  returns
44       MLIB_FAILURE.
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ATTRIBUTES

47       See attributes(5) for descriptions of the following attributes:
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52       ┌─────────────────────────────┬─────────────────────────────┐
53       │      ATTRIBUTE TYPE         │      ATTRIBUTE VALUE        │
54       ├─────────────────────────────┼─────────────────────────────┤
55       │Interface Stability          │Committed                    │
56       ├─────────────────────────────┼─────────────────────────────┤
57       │MT-Level                     │MT-Safe                      │
58       └─────────────────────────────┴─────────────────────────────┘
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SEE ALSO

61       mlib_VideoDownSample420(3MLIB),     mlib_VideoDownSample420_S16(3MLIB),
62       mlib_VideoDownSample422(3MLIB),     mlib_VideoDownSample422_S16(3MLIB),
63       mlib_VideoUpSample420_Nearest(3MLIB),       mlib_VideoUpSample420_Near‐
64       est_S16(3MLIB),   mlib_VideoUpSample420_S16(3MLIB),    mlib_VideoUpSam‐
65       ple422(3MLIB),    mlib_VideoUpSample422_S16(3MLIB),    mlib_VideoUpSam‐
66       ple422_Nearest(3MLIB),        mlib_VideoUpSample422_Nearest_S16(3MLIB),
67       attributes(5)
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71SunOS 5.11                        2 Mar 2007      mlib_VideoUpSample420(3MLIB)
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