From d2a273ebc92f3d1336212f01891a070bf4a31b41 Mon Sep 17 00:00:00 2001 From: musil Date: Thu, 9 Mar 2006 16:00:50 +0000 Subject: update to version JAN_06 with all sources svn path=/trunk/externals/iem/iem_bin_ambi/; revision=4666 --- src/bin_ambi_reduced_decode2.c | 1360 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1360 insertions(+) create mode 100644 src/bin_ambi_reduced_decode2.c (limited to 'src/bin_ambi_reduced_decode2.c') diff --git a/src/bin_ambi_reduced_decode2.c b/src/bin_ambi_reduced_decode2.c new file mode 100644 index 0000000..3b694fd --- /dev/null +++ b/src/bin_ambi_reduced_decode2.c @@ -0,0 +1,1360 @@ +/* For information on usage and redistribution, and for a DISCLAIMER OF ALL +* WARRANTIES, see the file, "LICENSE.txt," in this distribution. + +iem_bin_ambi written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ + +#ifdef NT +#pragma warning( disable : 4244 ) +#pragma warning( disable : 4305 ) +#endif + + +#include "m_pd.h" +#include "iemlib.h" +#include "iem_bin_ambi.h" +#include +#include +#include + + +/* -------------------------- bin_ambi_reduced_decode2 ------------------------------ */ +/* + ** berechnet ein reduziertes Ambisonic-Decoder-Set in die HRTF-Spektren ** + ** Inputs: ls + Liste von 3 floats: Index [1 .. 16] + Elevation [-90 .. +90 degree] + Azimut [0 .. 360 degree] ** + ** Inputs: calc_inv ** + ** Inputs: load_HRIR + float index1..16 ** + ** Outputs: List of 2 symbols: left-HRIR-File-name + HRIR-table-name ** + ** Inputs: calc_reduced ** + ** "output" ... writes the HRTF into tables ** + ** ** + ** ** + ** setzt voraus , dass die HRIR-tabele-names von 1016_1_L_HRIR .. 1016_16_L_HRIR heissen und existieren ** + ** setzt voraus , dass die HRTF-tabele-names von 1016_1_HRTF_re .. 1016_16_HRTF_re heissen und existieren ** + ** setzt voraus , dass die HRTF-tabele-names von 1016_1_HRTF_im .. 1016_16_HRTF_im heissen und existieren ** + */ + +typedef struct _bin_ambi_reduced_decode2 +{ + t_object x_obj; + t_atom x_at[2];/*output filename and tablename of HRIR*/ + int x_n_dim;/*dimension of ambisonic system*/ + int x_n_ambi;/*number of ambi channels*/ + int x_n_order;/*order of ambisonic system*/ + int x_n_ls;/*number of loudspeakers*/ + int x_seq_ok; + int x_fftsize;/*fftsize of blockfilter, should be 2 times of FIR-length of HRIR*/ + double *x_inv_work1;/* n_ambi*n_ambi buffer for matrix inverse */ + double *x_inv_work2;/* 2*n_ambi*n_ambi buffer for matrix inverse */ + double *x_inv_buf2;/* 2*n_ambi buffer for matrix inverse */ + double *x_transp;/* n_ls*n_ambi transposed input-buffer of decoder-matrix before inversion */ + double *x_ls_encode;/* n_ambi*n_ls straight input-buffer of decoder-matrix before inversion */ + double *x_prod;/* n_ls*n_ambi output-buffer of decoder-matrix after inversion */ + double *x_ambi_channel_weight; + int *x_delta; + int *x_phi; + int *x_phi_sym; + int *x_sym_flag; + BIN_AMBI_COMPLEX *x_spec; + BIN_AMBI_COMPLEX *x_sin_cos; + float *x_beg_fade_out_hrir; + float *x_beg_hrir; + float **x_beg_hrtf_re; + float **x_beg_hrtf_im; + t_symbol **x_hrir_filename; + t_symbol **x_s_hrir; + t_symbol **x_s_hrtf_re; + t_symbol **x_s_hrtf_im; + t_symbol *x_s_fade_out_hrir; + void *x_out_sign_sum; + double x_sqrt3; + double x_sqrt10_4; + double x_sqrt15_2; + double x_sqrt6_4; + double x_sqrt35_8; + double x_sqrt70_4; + double x_sqrt5_2; + double x_sqrt126_16; + double x_sqrt315_8; + double x_sqrt105_4; + double x_pi_over_180; + double x_sing_range; +} t_bin_ambi_reduced_decode2; + +static t_class *bin_ambi_reduced_decode2_class; + +static void bin_ambi_reduced_decode2_init_cos(t_bin_ambi_reduced_decode2 *x) +{/* initialize a whole sine and cosine wave over a fftsize array */ + int i, fftsize = x->x_fftsize; + float f, g; + BIN_AMBI_COMPLEX *sincos = x->x_sin_cos; + + g = 2.0f * 3.1415926538f / (float)fftsize; + for(i=0; i 90.0) + d = 90.0; + while(p < 0.0) + p += 360.0; + while(p >= 360.0) + p -= 360.0; + + if(d < -35.0) + { + *delta_deg2rad = -40.0; + q = 360.0 / 56.0; + } + else if(d < -25.0) + { + *delta_deg2rad = -30.0; + q = 6.0; + } + else if(d < -15.0) + { + *delta_deg2rad = -20.0; + q = 5.0; + } + else if(d < -5.0) + { + *delta_deg2rad = -10.0; + q = 5.0; + } + else if(d < 5.0) + { + *delta_deg2rad = 0.0; + q = 5.0; + } + else if(d < 15.0) + { + *delta_deg2rad = 10.0; + q = 5.0; + } + else if(d < 25.0) + { + *delta_deg2rad = 20.0; + q = 5.0; + } + else if(d < 35.0) + { + *delta_deg2rad = 30.0; + q = 6.0; + } + else if(d < 45.0) + { + *delta_deg2rad = 40.0; + q = 360.0 / 56.0; + } + else if(d < 55.0) + { + *delta_deg2rad = 50.0; + q = 8.0; + } + else if(d < 65.0) + { + *delta_deg2rad = 60.0; + q = 10.0; + } + else if(d < 75.0) + { + *delta_deg2rad = 70.0; + q = 15.0; + } + else if(d < 85.0) + { + *delta_deg2rad = 80.0; + q = 30.0; + } + else + { + *delta_deg2rad = 90.0; + q = 360.0; + } + + p /= q; + i = (int)(p + 0.499999); + p = (double)i * q; + i = (int)(p + 0.499999); + while(i >= 360) + i -= 360; + p = (double)i; + *phi_deg2rad = p; + + x->x_delta[index] = (int)(*delta_deg2rad); + x->x_phi[index] = i; + + *delta_deg2rad *= x->x_pi_over_180; + *phi_deg2rad *= x->x_pi_over_180; +} + +static void bin_ambi_reduced_decode2_do_2d(t_bin_ambi_reduced_decode2 *x, int argc, t_atom *argv) +{ + double delta=0.0, phi; + double *dw = x->x_transp; + int index; + int order=x->x_n_order; + int n_ls = x->x_n_ls; + + if(argc < 2) + { + post("bin_ambi_reduced_decode2 ERROR: ls-input needs 1 index and 1 angle: ls_index + phi [degree]"); + return; + } + index = (int)atom_getint(argv++) - 1; + phi = (double)atom_getfloat(argv); + + if(index < 0) + index = 0; + if(index >= n_ls) + index = n_ls - 1; + + bin_ambi_reduced_decode2_quant(x, &delta, &phi, index); + + dw += index * x->x_n_ambi; + + *dw++ = 1.0; + *dw++ = cos(phi); + *dw++ = sin(phi); + + if(order >= 2) + { + *dw++ = cos(2.0*phi); + *dw++ = sin(2.0*phi); + + if(order >= 3) + { + *dw++ = cos(3.0*phi); + *dw++ = sin(3.0*phi); + if(order >= 4) + { + *dw++ = cos(4.0*phi); + *dw++ = sin(4.0*phi); + + if(order >= 5) + { + *dw++ = cos(5.0*phi); + *dw++ = sin(5.0*phi); + + if(order >= 6) + { + *dw++ = cos(6.0*phi); + *dw++ = sin(6.0*phi); + + if(order >= 7) + { + *dw++ = cos(7.0*phi); + *dw++ = sin(7.0*phi); + + if(order >= 8) + { + *dw++ = cos(8.0*phi); + *dw++ = sin(8.0*phi); + + if(order >= 9) + { + *dw++ = cos(9.0*phi); + *dw++ = sin(9.0*phi); + + if(order >= 10) + { + *dw++ = cos(10.0*phi); + *dw++ = sin(10.0*phi); + + if(order >= 11) + { + *dw++ = cos(11.0*phi); + *dw++ = sin(11.0*phi); + + if(order >= 12) + { + *dw++ = cos(12.0*phi); + *dw++ = sin(12.0*phi); + } + } + } + } + } + } + } + } + } + } + } +} + +static void bin_ambi_reduced_decode2_do_3d(t_bin_ambi_reduced_decode2 *x, int argc, t_atom *argv) +{ + double delta, phi; + double cd, sd, cd2, cd3, sd2, csd, cp, sp, cp2, sp2, cp3, sp3, cp4, sp4; + double *dw = x->x_transp; + int index; + int n_ls=x->x_n_ls; + int order=x->x_n_order; + + if(argc < 3) + { + post("bin_ambi_reduced_decode2 ERROR: ls-input needs 1 index and 2 angles: ls index + delta [degree] + phi [degree]"); + return; + } + index = (int)atom_getint(argv++) - 1; + delta = atom_getfloat(argv++); + phi = atom_getfloat(argv); + + if(index < 0) + index = 0; + if(index >= n_ls) + index = n_ls - 1; + + bin_ambi_reduced_decode2_quant(x, &delta, &phi, index); + + cd = cos(delta); + sd = sin(delta); + cp = cos(phi); + sp = sin(phi); + + dw += index * x->x_n_ambi; + + *dw++ = 1.0; + + *dw++ = cd * cp; + *dw++ = cd * sp; + *dw++ = sd; + + if(order >= 2) + { + cp2 = cos(2.0*phi); + sp2 = sin(2.0*phi); + cd2 = cd * cd; + sd2 = sd * sd; + csd = cd * sd; + *dw++ = 0.5 * x->x_sqrt3 * cd2 * cp2; + *dw++ = 0.5 * x->x_sqrt3 * cd2 * sp2; + *dw++ = x->x_sqrt3 * csd * cp; + *dw++ = x->x_sqrt3 * csd * sp; + *dw++ = 0.5 * (3.0 * sd2 - 1.0); + + if(order >= 3) + { + cp3 = cos(3.0*phi); + sp3 = sin(3.0*phi); + cd3 = cd2 * cd; + *dw++ = x->x_sqrt10_4 * cd3 * cp3; + *dw++ = x->x_sqrt10_4 * cd3 * sp3; + *dw++ = x->x_sqrt15_2 * cd * csd * cp2; + *dw++ = x->x_sqrt15_2 * cd * csd * sp2; + *dw++ = x->x_sqrt6_4 * cd * (5.0 * sd2 - 1.0) * cp; + *dw++ = x->x_sqrt6_4 * cd * (5.0 * sd2 - 1.0) * sp; + *dw++ = 0.5 * sd * (5.0 * sd2 - 3.0); + + if(order >= 4) + { + cp4 = cos(4.0*phi); + sp4 = sin(4.0*phi); + *dw++ = x->x_sqrt35_8 * cd2 * cd2 * cp4; + *dw++ = x->x_sqrt35_8 * cd2 * cd2 * sp4; + *dw++ = x->x_sqrt70_4 * cd2 * csd * cp3; + *dw++ = x->x_sqrt70_4 * cd2 * csd * sp3; + *dw++ = 0.5 * x->x_sqrt5_2 * cd2 * (7.0 * sd2 - 1.0) * cp2; + *dw++ = 0.5 * x->x_sqrt5_2 * cd2 * (7.0 * sd2 - 1.0) * sp2; + *dw++ = x->x_sqrt10_4 * csd * (7.0 * sd2 - 3.0) * cp; + *dw++ = x->x_sqrt10_4 * csd * (7.0 * sd2 - 3.0) * sp; + *dw++ = 0.125 * (sd2 * (35.0 * sd2 - 30.0) + 3.0); + + if(order >= 5) + { + *dw++ = x->x_sqrt126_16 * cd3 * cd2 * cos(5.0*phi); + *dw++ = x->x_sqrt126_16 * cd3 * cd2 * sin(5.0*phi); + *dw++ = x->x_sqrt315_8 * cd3 * csd * cp4; + *dw++ = x->x_sqrt315_8 * cd3 * csd * sp4; + *dw++ = 0.25 * x->x_sqrt70_4 * cd3 * (9.0 * sd2 - 1.0) * cp3; + *dw++ = 0.25 * x->x_sqrt70_4 * cd3 * (9.0 * sd2 - 1.0) * sp3; + *dw++ = x->x_sqrt105_4 * cd * csd * (3.0 * sd2 - 1.0) * cp2; + *dw++ = x->x_sqrt105_4 * cd * csd * (3.0 * sd2 - 1.0) * sp2; + *dw++ = 0.25 * x->x_sqrt15_2 * cd * (sd2 * (21.0 * sd2 - 14.0) + 1.0) * cp; + *dw++ = 0.25 * x->x_sqrt15_2 * cd * (sd2 * (21.0 * sd2 - 14.0) + 1.0) * sp; + *dw = 0.125 * sd * (sd2 * (63.0 * sd2 - 70.0) + 15.0); + } + } + } + } +} + +static void bin_ambi_reduced_decode2_ls(t_bin_ambi_reduced_decode2 *x, t_symbol *s, int argc, t_atom *argv) +{ + if(x->x_n_dim == 2) + bin_ambi_reduced_decode2_do_2d(x, argc, argv); + else + bin_ambi_reduced_decode2_do_3d(x, argc, argv); + x->x_seq_ok = 1; +} + +static void bin_ambi_reduced_decode2_copy_row2buf(t_bin_ambi_reduced_decode2 *x, int row) +{ + int n_ambi2 = 2*x->x_n_ambi; + int i; + double *dw=x->x_inv_work2; + double *db=x->x_inv_buf2; + + dw += row*n_ambi2; + for(i=0; ix_n_ambi; + int i; + double *dw=x->x_inv_work2; + double *db=x->x_inv_buf2; + + dw += row*n_ambi2; + for(i=0; ix_n_ambi; + int i; + double *dw_src=x->x_inv_work2; + double *dw_dst=x->x_inv_work2; + + dw_src += src_row*n_ambi2; + dw_dst += dst_row*n_ambi2; + for(i=0; ix_n_ambi; + int i; + double *dw=x->x_inv_work2; + + dw += row*n_ambi2; + for(i=0; ix_n_ambi; + int n_ambi2 = 2*n_ambi; + int i; + double *dw=x->x_inv_work2; + + dw += col; + for(i=0; ix_n_ambi; + int i; + double *dw=x->x_inv_work2; + double *db=x->x_inv_buf2; + + dw += row*n_ambi2; + for(i=0; ix_n_ambi; + int n_ambi2 = 2*n_ambi; + int i, j; + double *dw=x->x_inv_work2; + double singrange=x->x_sing_range; + int ret=-1; + + dw += start_row*n_ambi2 + col; + j = 0; + for(i=start_row; i singrange) || (*dw < -singrange)) + { + ret = i; + i = n_ambi+1; + } + dw += n_ambi2; + } + return(ret); +} + +static void bin_ambi_reduced_decode2_mul1(t_bin_ambi_reduced_decode2 *x) +{ + double *vec1, *beg1=x->x_ls_encode; + double *vec2, *beg2=x->x_ls_encode; + double *inv=x->x_inv_work1; + double sum; + int n_ls=x->x_n_ls; + int n_ambi=x->x_n_ambi; + int i, j, k; + + for(k=0; kx_ls_encode; + for(j=0; jx_n_ls; + int n_ambi=x->x_n_ambi; + int n_ambi2=2*n_ambi; + int i, j, k; + double *vec1, *beg1=x->x_transp; + double *vec2, *beg2=x->x_inv_work2+n_ambi; + double *vec3=x->x_prod; + double *acw_vec=x->x_ambi_channel_weight; + double sum; + + for(k=0; kx_inv_work2+n_ambi; + for(j=0; jx_transp; + double *straight=x->x_ls_encode; + int n_ls=x->x_n_ls; + int n_ambi=x->x_n_ambi; + int i, j; + + transp = x->x_transp; + for(j=0; jx_n_ambi; + int n_ambi2 = 2*n_ambi; + int i, j, nz; + int r,c; + double *src=x->x_inv_work1; + double *db=x->x_inv_work2; + double rcp, *dv; + + dv = db; + for(i=0; ix_seq_ok = 0; + return; + } + else + { + if(nz != i) + bin_ambi_reduced_decode2_xch_rows(x, i, nz); + dv = db + i*n_ambi2 + i; + rcp = 1.0 /(*dv); + bin_ambi_reduced_decode2_mul_row(x, i, rcp); + bin_ambi_reduced_decode2_copy_row2buf(x, i); + for(j=i+1; j=0; i--) + { + dv = db + i*n_ambi2 + i; + bin_ambi_reduced_decode2_copy_row2buf(x, i); + for(j=i-1; j>=0; j--) + { + dv -= n_ambi2; + rcp = -(*dv); + bin_ambi_reduced_decode2_mul_buf_and_add2row(x, j, rcp); + } + } + + post("matrix_inverse regular"); + x->x_seq_ok = 1; +} + +static void bin_ambi_reduced_decode2_calc_pinv(t_bin_ambi_reduced_decode2 *x) +{ + t_garray *a; + int npoints; + t_float *fadevec; + + if((int)(x->x_beg_fade_out_hrir) == 0) + { + if (!(a = (t_garray *)pd_findbyclass(x->x_s_fade_out_hrir, garray_class))) + error("%s: no such array", x->x_s_fade_out_hrir->s_name); + else if (!garray_getfloatarray(a, &npoints, &fadevec)) + error("%s: bad template for bin_ambi_reduced_decode2", x->x_s_fade_out_hrir->s_name); + else if (npoints < x->x_fftsize) + error("%s: bad array-size: %d", x->x_s_fade_out_hrir->s_name, npoints); + else + x->x_beg_fade_out_hrir = fadevec; + } + + bin_ambi_reduced_decode2_transp_back(x); + bin_ambi_reduced_decode2_mul1(x); + bin_ambi_reduced_decode2_inverse(x); + bin_ambi_reduced_decode2_mul2(x); +} + +/* +x_prod: +n_ambi columns; +n_ambi rows; +*/ + +static void bin_ambi_reduced_decode2_load_HRIR(t_bin_ambi_reduced_decode2 *x, float findex) +{ + int index=(int)findex - 1; + int p; + char buf[60]; + + if(index < 0) + index = 0; + if(index >= x->x_n_ls) + index = x->x_n_ls - 1; + + p = x->x_phi[index]; + + if(p)/*change*/ + p = 360 - p; + + if(p < 10) + sprintf(buf, "L%de00%da.wav", x->x_delta[index], p); + else if(p < 100) + sprintf(buf, "L%de0%da.wav", x->x_delta[index], p); + else + sprintf(buf, "L%de%da.wav", x->x_delta[index], p); + x->x_hrir_filename[index] = gensym(buf); + + SETSYMBOL(x->x_at, x->x_hrir_filename[index]); + SETSYMBOL(x->x_at+1, x->x_s_hrir[index]); + outlet_list(x->x_obj.ob_outlet, &s_list, 2, x->x_at); +} + +static void bin_ambi_reduced_decode2_check_HRIR_arrays(t_bin_ambi_reduced_decode2 *x, float findex) +{ + int index=(int)findex - 1; + int j, k, n; + int fftsize = x->x_fftsize; + int fs2=fftsize/2; + t_garray *a; + int npoints; + t_symbol *hrir; + t_float *vec_hrir, *vec, *vec_fade_out_hrir; + float decr, sum; + + if(index < 0) + index = 0; + if(index >= x->x_n_ls) + index = x->x_n_ls - 1; + + hrir = x->x_s_hrir[index]; + if (!(a = (t_garray *)pd_findbyclass(hrir, garray_class))) + error("%s: no such array", hrir->s_name); + else if (!garray_getfloatarray(a, &npoints, &vec_hrir)) + error("%s: bad template for bin_ambi_reduced_decode2", hrir->s_name); + else + { + if(npoints < fftsize) + { + post("bin_ambi_reduced_decode2-WARNING: %s-array-size: %d < FFT-size: %d", hrir->s_name, npoints, fftsize); + } + vec = x->x_beg_hrir; + vec += index * fftsize; + + if((int)(x->x_beg_fade_out_hrir)) + { + vec_fade_out_hrir = x->x_beg_fade_out_hrir; + for(j=0; jx_fftsize; + t_float *vec_hrtf_re, *vec_hrtf_im; + t_symbol *hrtf_re, *hrtf_im; + + if(index < 0) + index = 0; + if(index >= x->x_n_ambi) + index = x->x_n_ambi - 1; + + hrtf_re = x->x_s_hrtf_re[index]; + hrtf_im = x->x_s_hrtf_im[index]; + + if (!(a = (t_garray *)pd_findbyclass(hrtf_re, garray_class))) + error("%s: no such array", hrtf_re->s_name); + else if (!garray_getfloatarray(a, &npoints, &vec_hrtf_re)) + error("%s: bad template for bin_ambi_reduced_decode2", hrtf_re->s_name); + else if (npoints < fftsize) + error("%s: bad array-size: %d", hrtf_re->s_name, npoints); + else if (!(a = (t_garray *)pd_findbyclass(hrtf_im, garray_class))) + error("%s: no such array", hrtf_im->s_name); + else if (!garray_getfloatarray(a, &npoints, &vec_hrtf_im)) + error("%s: bad template for bin_ambi_reduced_decode2", hrtf_im->s_name); + else if (npoints < fftsize) + error("%s: bad array-size: %d", hrtf_im->s_name, npoints); + else + { + x->x_beg_hrtf_re[index] = vec_hrtf_re; + x->x_beg_hrtf_im[index] = vec_hrtf_im; + } +} + +static void bin_ambi_reduced_decode2_calc_reduced(t_bin_ambi_reduced_decode2 *x, float findex) +{ + int index=(int)findex - 1; + int i, j, k, w_index, w_inc, i_inc, v_index, fs1, fs2; + int fftsize = x->x_fftsize; + BIN_AMBI_COMPLEX old1, old2, w; + BIN_AMBI_COMPLEX *sincos = x->x_sin_cos; + BIN_AMBI_COMPLEX *val = x->x_spec;/*weighted decoder-matrix with n_ls lines and n_ambi columns*/ + t_float *vec_hrir, *vec_hrtf_re, *vec_hrtf_im; + double *dv, *db=x->x_prod; + int n_ambi = x->x_n_ambi; + int n_ls = x->x_n_ls; + float mul; + + if(x->x_seq_ok) + { + if(index < 0) + index = 0; + if(index >= n_ambi) + index = n_ambi - 1; + + vec_hrtf_re = x->x_beg_hrtf_re[index]; + vec_hrtf_im = x->x_beg_hrtf_im[index]; + + dv = db + index; + mul = (float)(*dv); + vec_hrir = x->x_beg_hrir; + for(k=0; kx_beg_hrir; + vec_hrir += j * fftsize; + for(k=0; k>= 1; + } + + j = 0; + for(i=1;i>= 1; + } + j = j + k; + if(i < j) + { + old1 = val[j]; + val[j] = val[i]; + val[i] = old1; + } + } + for(i = 0; ix_phi_sym; + int n_ls = x->x_n_ls; + int n_ambi = x->x_n_ambi; + int n_ambi2 = 2*n_ambi; + int *phi=x->x_phi; + int *delta=x->x_delta; + int *flag=x->x_sym_flag; + int i, j, d, p, regular=1; + double *dv, *db=x->x_prod; + double a, b, q; + int sym_max=0; + int pos_sym_counter, neg_sym_counter; + char plus_minus[100]; + char abc[100]; + char onenine[100]; + char ten[100]; + + if(x->x_seq_ok) + { + for(i=0; ix_n_dim == 2) + { + strcpy(abc, " WXYXYXYXYXYXYXYXYXYXYXYXYXYXYXYXYXYXYXY"); + strcpy(ten, " 000000000000000000011111111111111111111"); + strcpy(onenine, " 011223344556677889900112233445566778899"); + abc[n_ambi+22] = 0; + ten[n_ambi+22] = 0; + onenine[n_ambi+22] = 0; + post(abc); + post(ten); + post(onenine); + } + else + { + strcpy(abc, " AABCABCDEABCDEFGABCDEFGHIABCDEFGHIJKABCDEFGHIJKLM"); + strcpy(onenine, " 0111222223333333444444444555555555556666666666666"); + abc[n_ambi+22] = 0; + onenine[n_ambi+22] = 0; + post(abc); + post(onenine); + } + + for(i=0; i= 0) && flag[i]) + { + j = sym[i]; + flag[i] = 0; + flag[j] = 0; + a = dv[i*n_ambi]; + b = dv[j*n_ambi]; + if((a < 5.0e-4)&&(a > -5.0e-4)&&(b < 5.0e-4)&&(b > -5.0e-4)) + { + pos_sym_counter++; + neg_sym_counter++; + } + else + { + q = a / b; + if((q < 1.005)&&(q > 0.995)) + pos_sym_counter++; + else if((q > -1.005)&&(q < -0.995)) + neg_sym_counter++; + } + } + } + if(pos_sym_counter == sym_max) + strcat(plus_minus, "+"); + else if(neg_sym_counter == sym_max) + strcat(plus_minus, "-"); + else + { + strcat(plus_minus, "?"); + regular = 0; + } + } + post("sum of right channel: %s", plus_minus); + + if(regular) + { + for(i=0; ix_at, 1.0f); + else if(plus_minus[i] == '-') + SETFLOAT(x->x_at, 2.0f); + SETFLOAT(x->x_at+1, (float)(i+1)); + outlet_list(x->x_out_sign_sum, &s_list, 2, x->x_at); + } + } + } +} + +static void bin_ambi_reduced_decode2_ambi_weight(t_bin_ambi_reduced_decode2 *x, t_symbol *s, int argc, t_atom *argv) +{ + if(argc > x->x_n_order) + { + int i, k=0, n=x->x_n_order; + double d; + + x->x_ambi_channel_weight[k] = (double)atom_getfloat(argv++); + k++; + if(x->x_n_dim == 2) + { + for(i=1; i<=n; i++) + { + d = (double)atom_getfloat(argv++); + x->x_ambi_channel_weight[k] = d; + k++; + x->x_ambi_channel_weight[k] = d; + k++; + } + } + else + { + int j, m; + + for(i=1; i<=n; i++) + { + d = (double)atom_getfloat(argv++); + m = 2*i + 1; + for(j=0; jx_ambi_channel_weight[k] = d; + k++; + } + } + } + } + else + post("bin_ambi_reduced_decode2-ERROR: ambi_weight needs %d float weights", x->x_n_order+1); +} + +static void bin_ambi_reduced_decode2_sing_range(t_bin_ambi_reduced_decode2 *x, t_floatarg f) +{ + if(f < 0.0f) + x->x_sing_range = -(double)f; + else + x->x_sing_range = (double)f; +} + +static void bin_ambi_reduced_decode2_free(t_bin_ambi_reduced_decode2 *x) +{ + freebytes(x->x_hrir_filename, x->x_n_ls * sizeof(t_symbol *)); + freebytes(x->x_s_hrir, x->x_n_ls * sizeof(t_symbol *)); + freebytes(x->x_s_hrtf_re, x->x_n_ambi * sizeof(t_symbol *)); + freebytes(x->x_s_hrtf_im, x->x_n_ambi * sizeof(t_symbol *)); + freebytes(x->x_inv_work1, x->x_n_ambi * x->x_n_ambi * sizeof(double)); + freebytes(x->x_inv_work2, 2 * x->x_n_ambi * x->x_n_ambi * sizeof(double)); + freebytes(x->x_inv_buf2, 2 * x->x_n_ambi * sizeof(double)); + freebytes(x->x_transp, x->x_n_ls * x->x_n_ambi * sizeof(double)); + freebytes(x->x_ls_encode, x->x_n_ls * x->x_n_ambi * sizeof(double)); + freebytes(x->x_prod, x->x_n_ls * x->x_n_ambi * sizeof(double)); + freebytes(x->x_ambi_channel_weight, x->x_n_ambi * sizeof(double)); + + freebytes(x->x_delta, x->x_n_ls * sizeof(int)); + freebytes(x->x_phi, x->x_n_ls * sizeof(int)); + freebytes(x->x_phi_sym, x->x_n_ls * sizeof(int)); + freebytes(x->x_sym_flag, x->x_n_ls * sizeof(int)); + + freebytes(x->x_spec, x->x_fftsize * sizeof(BIN_AMBI_COMPLEX)); + freebytes(x->x_sin_cos, x->x_fftsize * sizeof(BIN_AMBI_COMPLEX)); + + freebytes(x->x_beg_hrir, x->x_fftsize * x->x_n_ls * sizeof(float)); + freebytes(x->x_beg_hrtf_re, x->x_n_ambi * sizeof(float *)); + freebytes(x->x_beg_hrtf_im, x->x_n_ambi * sizeof(float *)); +} + +/* + 1.arg_ int prefix; + 2.arg: t_symbol *hrir_name; + 3.arg: t_symbol *hrtf_re_name; + 4.arg: t_symbol *hrtf_im_name; + 5.arg: t_symbol *hrir_fade_out_name; + 6.arg: int ambi_order; + 7.arg: int dim; + 8.arg: int number_of_loudspeakers; + 9.arg: int fftsize; + */ + +static void *bin_ambi_reduced_decode2_new(t_symbol *s, int argc, t_atom *argv) +{ + t_bin_ambi_reduced_decode2 *x = (t_bin_ambi_reduced_decode2 *)pd_new(bin_ambi_reduced_decode2_class); + char buf[400]; + int i, j, fftok, ok=0; + int n_order=0, n_dim=0, n_ls=0, n_ambi=0, fftsize=0, prefix=0; + t_symbol *s_hrir=gensym("L_HRIR"); + t_symbol *s_hrtf_re=gensym("HRTF_re"); + t_symbol *s_hrtf_im=gensym("HRTF_im"); + t_symbol *s_fade_out_hrir=gensym("HRIR_win"); + + if((argc >= 9) && + IS_A_FLOAT(argv,0) && + IS_A_SYMBOL(argv,1) && + IS_A_SYMBOL(argv,2) && + IS_A_SYMBOL(argv,3) && + IS_A_SYMBOL(argv,4) && + IS_A_FLOAT(argv,5) && + IS_A_FLOAT(argv,6) && + IS_A_FLOAT(argv,7) && + IS_A_FLOAT(argv,8)) + { + prefix = (int)atom_getintarg(0, argc, argv); + + s_hrir = (t_symbol *)atom_getsymbolarg(1, argc, argv); + s_hrtf_re = (t_symbol *)atom_getsymbolarg(2, argc, argv); + s_hrtf_im = (t_symbol *)atom_getsymbolarg(3, argc, argv); + s_fade_out_hrir = (t_symbol *)atom_getsymbolarg(4, argc, argv); + + n_order = (int)atom_getintarg(5, argc, argv); + n_dim = (int)atom_getintarg(6, argc, argv); + n_ls = (int)atom_getintarg(7, argc, argv); + fftsize = (int)atom_getintarg(8, argc, argv); + + ok = 1; + } + else if((argc >= 9) && + IS_A_FLOAT(argv,0) && + IS_A_FLOAT(argv,1) && + IS_A_FLOAT(argv,2) && + IS_A_FLOAT(argv,3) && + IS_A_FLOAT(argv,4) && + IS_A_FLOAT(argv,5) && + IS_A_FLOAT(argv,6) && + IS_A_FLOAT(argv,7) && + IS_A_FLOAT(argv,8)) + { + prefix = (int)atom_getintarg(0, argc, argv); + + s_hrir = gensym("L_HRIR"); + s_hrtf_re = gensym("HRTF_re"); + s_hrtf_im = gensym("HRTF_im"); + s_fade_out_hrir = gensym("HRIR_win"); + + n_order = (int)atom_getintarg(5, argc, argv); + n_dim = (int)atom_getintarg(6, argc, argv); + n_ls = (int)atom_getintarg(7, argc, argv); + fftsize = (int)atom_getintarg(8, argc, argv); + + ok = 1; + } + + if(ok) + { + if(n_order < 1) + n_order = 1; + + if(n_dim == 3) + { + if(n_order > 5) + n_order = 5; + n_ambi = (n_order + 1)*(n_order + 1); + } + else + { + if(n_order > 12) + n_order = 12; + n_dim = 2; + n_ambi = 2 * n_order + 1; + } + + if(n_ls < 1) + n_ls = 1; + if(n_ls < n_ambi) + { + n_ls = n_ambi; + post("bin_ambi_reduced_decode2-WARNING: Number of Loudspeakers < Number of Ambisonic-Channels !!!!"); + post(" Number of Loudspeakers set to %d", n_ambi); + } + + j = 2; + fftok = 0; + for(i=0; i<21; i++) + { + if(j == fftsize) + { + fftok = 1; + i = 22; + } + j *= 2; + } + + if(!fftok) + { + fftsize = 512; + post("bin_ambi_reduced_decode2-WARNING: fftsize not equal to 2 ^ n !!!"); + post(" fftsize set to %d", fftsize); + } + + x->x_n_dim = n_dim; + x->x_n_ambi = n_ambi; + x->x_n_ls = n_ls; + x->x_n_order = n_order; + x->x_fftsize = fftsize; + + x->x_hrir_filename = (t_symbol **)getbytes(x->x_n_ls * sizeof(t_symbol *)); + x->x_s_hrir = (t_symbol **)getbytes(x->x_n_ls * sizeof(t_symbol *)); + x->x_s_hrtf_re = (t_symbol **)getbytes(x->x_n_ambi * sizeof(t_symbol *)); + x->x_s_hrtf_im = (t_symbol **)getbytes(x->x_n_ambi * sizeof(t_symbol *)); + + for(i=0; is_name); + x->x_s_hrir[i] = gensym(buf); + } + + for(i=0; is_name); + x->x_s_hrtf_re[i] = gensym(buf); + + sprintf(buf, "%d_%d_%s", prefix, i+1, s_hrtf_im->s_name); + x->x_s_hrtf_im[i] = gensym(buf); + } + + sprintf(buf, "%d_%s", prefix, s_fade_out_hrir->s_name); + x->x_s_fade_out_hrir = gensym(buf); + + x->x_inv_work1 = (double *)getbytes(x->x_n_ambi * x->x_n_ambi * sizeof(double)); + x->x_inv_work2 = (double *)getbytes(2 * x->x_n_ambi * x->x_n_ambi * sizeof(double)); + x->x_inv_buf2 = (double *)getbytes(2 * x->x_n_ambi * sizeof(double)); + x->x_transp = (double *)getbytes(x->x_n_ls * x->x_n_ambi * sizeof(double)); + x->x_ls_encode = (double *)getbytes(x->x_n_ls * x->x_n_ambi * sizeof(double)); + x->x_prod = (double *)getbytes(x->x_n_ls * x->x_n_ambi * sizeof(double)); + x->x_ambi_channel_weight = (double *)getbytes(x->x_n_ambi * sizeof(double)); + + x->x_delta = (int *)getbytes(x->x_n_ls * sizeof(int)); + x->x_phi = (int *)getbytes(x->x_n_ls * sizeof(int)); + x->x_phi_sym = (int *)getbytes(x->x_n_ls * sizeof(int)); + x->x_sym_flag = (int *)getbytes(x->x_n_ls * sizeof(int)); + + x->x_spec = (BIN_AMBI_COMPLEX *)getbytes(x->x_fftsize * sizeof(BIN_AMBI_COMPLEX)); + x->x_sin_cos = (BIN_AMBI_COMPLEX *)getbytes(x->x_fftsize * sizeof(BIN_AMBI_COMPLEX)); + + x->x_beg_fade_out_hrir = (float *)0; + x->x_beg_hrir = (float *)getbytes(x->x_fftsize * x->x_n_ls * sizeof(float)); + x->x_beg_hrtf_re = (float **)getbytes(x->x_n_ambi * sizeof(float *)); + x->x_beg_hrtf_im = (float **)getbytes(x->x_n_ambi * sizeof(float *)); + + x->x_sqrt3 = sqrt(3.0); + x->x_sqrt5_2 = sqrt(5.0) / 2.0; + x->x_sqrt6_4 = sqrt(6.0) / 4.0; + x->x_sqrt10_4 = sqrt(10.0) / 4.0; + x->x_sqrt15_2 = sqrt(15.0) / 2.0; + x->x_sqrt35_8 = sqrt(35.0) / 8.0; + x->x_sqrt70_4 = sqrt(70.0) / 4.0; + x->x_sqrt126_16 = sqrt(126.0) / 16.0; + x->x_sqrt315_8 = sqrt(315.0) / 8.0; + x->x_sqrt105_4 = sqrt(105.0) / 4.0; + x->x_pi_over_180 = 4.0 * atan(1.0) / 180.0; + x->x_sing_range = 1.0e-10; + x->x_seq_ok = 1; + for(i=0; ix_ambi_channel_weight[i] = 1.0; + + bin_ambi_reduced_decode2_init_cos(x); + + outlet_new(&x->x_obj, &s_list); + x->x_out_sign_sum = outlet_new(&x->x_obj, &s_list); + return(x); + } + else + { + post("bin_ambi_reduced_decode2-ERROR: need 1 float + 4 symbols + 4 floats arguments:"); + post(" prefix(unique-number) + hrir_name + hrtf_re_name + hrtf_im_name + hrir_fade_out_name +"); + post(" + ambi_order + ambi_dimension + number_of_loudspeakers + fftsize"); + return(0); + } +} + +void bin_ambi_reduced_decode2_setup(void) +{ + bin_ambi_reduced_decode2_class = class_new(gensym("bin_ambi_reduced_decode2"), (t_newmethod)bin_ambi_reduced_decode2_new, (t_method)bin_ambi_reduced_decode2_free, + sizeof(t_bin_ambi_reduced_decode2), 0, A_GIMME, 0); + class_addmethod(bin_ambi_reduced_decode2_class, (t_method)bin_ambi_reduced_decode2_ls, gensym("ls"), A_GIMME, 0); + class_addmethod(bin_ambi_reduced_decode2_class, (t_method)bin_ambi_reduced_decode2_calc_pinv, gensym("calc_pinv"), 0); + class_addmethod(bin_ambi_reduced_decode2_class, (t_method)bin_ambi_reduced_decode2_load_HRIR, gensym("load_HRIR"), A_FLOAT, 0); + class_addmethod(bin_ambi_reduced_decode2_class, (t_method)bin_ambi_reduced_decode2_check_HRIR_arrays, gensym("check_HRIR_arrays"), A_FLOAT, 0); + class_addmethod(bin_ambi_reduced_decode2_class, (t_method)bin_ambi_reduced_decode2_check_HRTF_arrays, gensym("check_HRTF_arrays"), A_FLOAT, 0); + class_addmethod(bin_ambi_reduced_decode2_class, (t_method)bin_ambi_reduced_decode2_calc_reduced, gensym("calc_reduced"), A_FLOAT, 0); + class_addmethod(bin_ambi_reduced_decode2_class, (t_method)bin_ambi_reduced_decode2_decoding, gensym("decoding"), 0); + class_addmethod(bin_ambi_reduced_decode2_class, (t_method)bin_ambi_reduced_decode2_ambi_weight, gensym("ambi_weight"), A_GIMME, 0); + class_addmethod(bin_ambi_reduced_decode2_class, (t_method)bin_ambi_reduced_decode2_sing_range, gensym("sing_range"), A_DEFFLOAT, 0); + class_sethelpsymbol(bin_ambi_reduced_decode2_class, gensym("iemhelp2/help-bin_ambi_reduced_decode2")); +} +/* +Reihenfolge: +n_ls x bin_ambi_reduced_decode2_ls + +bin_ambi_reduced_decode2_calc_pinv + +n_ls x bin_ambi_reduced_decode2_load_HRIR + +n_ls x bin_ambi_reduced_decode2_check_HRIR_arrays + +n_ambi x bin_ambi_reduced_decode2_check_HRTF_arrays + +n_ambi x bin_ambi_reduced_decode2_calc_reduced + +bin_ambi_reduced_decode2_decoding + +*/ -- cgit v1.2.1