mlib_videodct8x8_s16_u8_na(3mlib) [opensolaris man page]
mlib_VideoDCT8x8_S16_U8_NA(3MLIB) mediaLib Library Functions mlib_VideoDCT8x8_S16_U8_NA(3MLIB) NAME
mlib_VideoDCT8x8_S16_U8_NA - forward Discrete Cosine Transform (DCT) SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_VideoDCT8x8_S16_U8_NA(mlib_s16 coeffs[64], const mlib_u8 *block, mlib_s32 stride); DESCRIPTION
The mlib_VideoDCT8x8_S16_U8_NA() function computes the forward DCT for the destination DCT coefficients of data type mlib_s16 and source block of data type mlib_u8. The stride applies to the block that is part of the frame currently being encoded. This function requires no special address alignment. This function can be used in JPEG with 8-bit precision, or in MPEG for the intra mode. PARAMETERS
The function takes the following arguments: coeffs Pointer to the destination DCT coefficients. block Pointer to an 8x8 block in the current frame. stride Stride in bytes between adjacent rows in the block. RETURN VALUES
The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
mlib_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_S16_B12(3MLIB), mlib_VideoDCT8x8_S16_U8(3MLIB), mlib_VideoDCT16x16_S16_S16(3MLIB), mlib_VideoDCT16x16_S16_S16_B10(3MLIB), mlib_VideoDeQuantize_S16(3MLIB), mlib_VideoDeQuan- tizeInit_S16(3MLIB), mlib_VideoQuantize_S16(3MLIB), mlib_VideoQuantizeInit_S16(3MLIB), attributes(5) SunOS 5.11 2 Mar 2007 mlib_VideoDCT8x8_S16_U8_NA(3MLIB)
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mlib_VideoDCT2x2_S16_S16(3MLIB) mediaLib Library Functions mlib_VideoDCT2x2_S16_S16(3MLIB) NAME
mlib_VideoDCT2x2_S16_S16 - forward Discrete Cosine Transform (DCT) SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_VideoDCT2x2_S16_S16(mlib_s16 coeffs[4], const mlib_s16 block[4]); DESCRIPTION
The mlib_VideoDCT2x2_S16_S16() function computes the forward DCT for the destination DCT coefficients of data type mlib_s16 and a source block of data type mlib_s16. The input to the DCT routine is the difference between the current block and the reference block. The differ- ence pixel can occupy nine bits and is represented as a 16-bit datum. The source and destination buffer addresses must be 8-byte aligned. PARAMETERS
The function takes the following arguments: coeffs Pointer to the destination DCT coefficients. coeffs must be 8-byte aligned. block Pointer to an 2x2 motion-compensated block that is the difference between the reference block and the current block. block must be 8-byte aligned. RETURN VALUES
The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
mlib_VideoDCT2x2_S16_S16(3MLIB), mlib_VideoDCT4x4_S16_S16(3MLIB), mlib_VideoDCT8x8_S16_S16(3MLIB), mlib_VideoDCT8x8_S16_S16_B12(3MLIB), mlib_VideoDCT8x8_S16_S16_NA(3MLIB), mlib_VideoDCT8x8_S16_U8(3MLIB), mlib_VideoDCT8x8_S16_U8_NA(3MLIB), mlib_VideoDCT16x16_S16_S16(3MLIB), mlib_VideoDCT16x16_S16_S16_B10(3MLIB), mlib_VideoDeQuantize_S16(3MLIB), mlib_VideoDeQuantizeInit_S16(3MLIB), mlib_VideoQuantize_S16(3MLIB), mlib_VideoQuantizeInit_S16(3MLIB), attributes(5) SunOS 5.11 2 Mar 2007 mlib_VideoDCT2x2_S16_S16(3MLIB)