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/src/usr.sbin/virtual_oss/virtual_equalizer/
H A Dequalizer.c55 double *fftw_time; member
154 e->fftw_time = (double *)malloc(buffer_size); in equalizer_init()
157 e->forward = fftw_plan_r2r_1d(block_size, e->fftw_time, e->fftw_freq, in equalizer_init()
159 e->inverse = fftw_plan_r2r_1d(block_size, e->fftw_freq, e->fftw_time, in equalizer_init()
188 eq->fftw_time[N / 2 + i] = eq->fftw_time[i] * weight; in equalizer_load()
191 eq->fftw_time[i] = eq->fftw_time[N - i]; in equalizer_load()
193 eq->fftw_time[0] = 0; in equalizer_load()
218 sum += fabs(eq->fftw_time[i]); in equalizer_load()
221 eq->fftw_time[i] /= sum; in equalizer_load()
225 message("%.3lf ms: %.10lf\n", 1000.0 * i / eq->rate, eq->fftw_time[i]); in equalizer_load()
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