CMSIS-DSP
Version 1.4.7
CMSIS DSP Software Library
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Functions | |
arm_status | arm_dct4_init_f32 (arm_dct4_instance_f32 *S, arm_rfft_instance_f32 *S_RFFT, arm_cfft_radix4_instance_f32 *S_CFFT, uint16_t N, uint16_t Nby2, float32_t normalize) |
Initialization function for the floating-point DCT4/IDCT4. | |
Variables | |
static const float32_t | Weights_128 [256] |
static const float32_t | Weights_512 [1024] |
static const float32_t | Weights_2048 [4096] |
static const float32_t | Weights_8192 [16384] |
static const float32_t | cos_factors_128 [128] |
static const float32_t | cos_factors_512 [512] |
static const float32_t | cos_factors_2048 [2048] |
static const float32_t | cos_factors_8192 [8192] |