Query: mlib_videodownsample420
OS: opensolaris
Section: 3mlib
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mlib_VideoDownSample420(3MLIB) mediaLib Library Functions mlib_VideoDownSample420(3MLIB)NAMEmlib_VideoDownSample420 - down sampling rate conversion in JFIFSYNOPSIScc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_VideoDownSample420(mlib_u8 *dst, const mlib_u8 *src0, const mlib_u8 *src1, mlib_s32 n);DESCRIPTIONThe mlib_VideoDownSample420() function performs down sampling rate conversion used in JPEG File Interchange Format (JFIF).PARAMETERSThe function takes the following arguments: dst Pointer to destination row. dst must be 8-byte aligned. src0 Pointer to upper source row. src0 must be 8-byte aligned. src1 Pointer to middle source row. src1 must be 8-byte aligned. n Length of source rows. n must be greater than 1.RETURN VALUESThe function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.ATTRIBUTESSee attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+SEE ALSOmlib_VideoDownSample420_S16(3MLIB), mlib_VideoDownSample422(3MLIB), mlib_VideoDownSample422_S16(3MLIB), mlib_VideoUpSample420(3MLIB), mlib_VideoUpSample420_Nearest(3MLIB), mlib_VideoUpSample420_Nearest_S16(3MLIB), mlib_VideoUpSample420_S16(3MLIB), mlib_VideoUpSam- ple422(3MLIB), mlib_VideoUpSample422_S16(3MLIB), mlib_VideoUpSample422_Nearest(3MLIB), mlib_VideoUpSample422_Nearest_S16(3MLIB), attributes(5) SunOS 5.11 2 Mar 2007 mlib_VideoDownSample420(3MLIB)