Robobo
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Instance structure for the Q15 DCT4/IDCT4 function. More...
#include <arm_math.h>
Public Attributes | |
uint16_t | N |
uint16_t | Nby2 |
q15_t | normalize |
q15_t * | pTwiddle |
q15_t * | pCosFactor |
arm_rfft_instance_q15 * | pRfft |
arm_cfft_radix4_instance_q15 * | pCfft |
Instance structure for the Q15 DCT4/IDCT4 function.
uint16_t arm_dct4_instance_q15::N |
length of the DCT4.
uint16_t arm_dct4_instance_q15::Nby2 |
half of the length of the DCT4.
q15_t arm_dct4_instance_q15::normalize |
normalizing factor.
arm_cfft_radix4_instance_q15* arm_dct4_instance_q15::pCfft |
points to the complex FFT instance.
q15_t* arm_dct4_instance_q15::pCosFactor |
points to the cosFactor table.
arm_rfft_instance_q15* arm_dct4_instance_q15::pRfft |
points to the real FFT instance.
q15_t* arm_dct4_instance_q15::pTwiddle |
points to the twiddle factor table.