cc [ flag... ] file... –lmlib [ library... ] #include <mlib.h> mlib_status mlib_VideoDeQuantize_S16(mlib_s16 icoeffs[64], const mlib_d64 dqtable[64]);
The mlib_VideoDeQuantize_S16() function performs dequantization on DCT coefficients.
The following equation is used:
icoeffs[i] = icoeffs[i] * dqtable[i]; 0 ≤ i < 64
The function takes the following arguments:
Pointer to the output DCT coefficients:
-2048 < icoeffs[i] < 2048
Note that icoeffs must be 8-byte aligned.
Pointer to dequantizer table coefficients.
The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.
See attributes(5) for descriptions of the following attributes:
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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_VideoDeQuantizeInit_S16(3MLIB), mlib_VideoQuantize_S16(3MLIB), mlib_VideoQuantizeInit_S16(3MLIB), attributes(5)