基于 TMS320C64x+DSP 的 FFT 实现 13 ZHCA414 void CooleyTukeyFft16x16(int N, short wn[], short x[], short y[]) { int n1, n2, ie, ia1, ia2, ia3; int i0, i1, i2, i3, j, k; short co1, co2, co3, si1, si2, si3; short xt0, yt0, xt1, yt1, xt2, yt2; ...
static dvp_image_shift_t dsp_shift16 = { -8, -8, 0, 15, 15, 0, }; static dvp_image_shift_t dsp_nonmax_shift3 = { -1, 1, 2, 2, 0, 0, }; static dvp_image_shift_t dsp_nonmax_shift5 = { -2, 2, 4, 4, 0, 0, }; static dvp_image_shift_t dsp_nonmax_shift7 ...