Query: mlib_videodct8x8_s16_s16_b12
OS: opensolaris
Section: 3mlib
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
mlib_VideoDCT8x8_S16_S16_B12(3MLIB) mediaLib Library Functions mlib_VideoDCT8x8_S16_S16_B12(3MLIB)NAMEmlib_VideoDCT8x8_S16_S16_B12 - forward Discrete Cosine Transform (DCT)SYNOPSIScc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_VideoDCT8x8_S16_S16_B12( mlib_s16 coeffs[64], const mlib_s16 block[64]);DESCRIPTIONThis function computes the forward DCT for the destination DCT coefficients of data type mlib_s16 and source block of data type mlib_s16. The source to the DCT routine can occupy up to 12 bits for each of its elements. The source and destination buffer addresses must be 8-byte aligned. This function can be used in JPEG with 12-bit precision.PARAMETERSThe function takes the following arguments: coeffs Pointer to the output DCT coefficients. Note that coeffs must be 8-byte aligned. block Pointer to an 8x8 block. Note that block must be 8-byte aligned.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_VideoDCT2x2_S16_S16(3MLIB), mlib_VideoDCT4x4_S16_S16(3MLIB), mlib_VideoDCT8x8_S16_S16_B10(3MLIB), mlib_VideoDCT8x8_S16_S16_B10_NA(3MLIB), mlib_VideoDCT8x8_S16_U8(3MLIB), mlib_VideoDCT8x8_S16_U8_NA(3MLIB), mlib_VideoDCT16x16_S16_S16(3MLIB), mlib_VideoDCT16x16_S16_S16_B10(3MLIB), attributes(5) SunOS 5.11 2 Mar 2007 mlib_VideoDCT8x8_S16_S16_B12(3MLIB)
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