diff options
Diffstat (limited to 'vbap.h')
| -rw-r--r-- | vbap.h | 113 |
1 files changed, 113 insertions, 0 deletions
@@ -0,0 +1,113 @@ +#ifndef VBAP_H +#define VBAP_H + +#include <math.h> +#include "m_pd.h" +#include "max2pd.h" + +#ifndef M_PI + // don't know where it is in win32, so add it here + #define M_PI 3.14159265358979323846264338327950288 /* pi */ +#endif + +#define MAX_LS_SETS 100 // maximum number of loudspeaker sets (triplets or pairs) allowed +#define MAX_LS_AMOUNT 55 // maximum amount of loudspeakers, can be increased +#define MIN_VOL_P_SIDE_LGTH 0.01 + +#define VBAP_VERSION "vbap - v1.0.3 - 12 Aug 2006 - (c) Ville Pulkki 1999-2006" +#define DFLS_VERSION "define_loudspeakers - v1.0.3 - 12 Aug 2006 - (c) Ville Pulkki 1999-2006" + +static float rad2ang = 360.0 / ( 2.0f * M_PI ); +static float atorad = (2.0f * M_PI) / 360.0f ; + +#ifdef VBAP_OBJECT + // We are inside vbap object, so sending matrix from define_loudspeakers is a simple call to the vbap receiver... + #define sendLoudspeakerMatrices(x,list_length, at) \ + vbap_matrix(x, gensym("loudspeaker-matrices"),list_length, at); \ + vbap_bang(x) +#else + // We are inside define_loudspeaker object, send matrix to outlet + #define sendLoudspeakerMatrices(x,list_length, at) \ + outlet_anything(x->x_outlet0, gensym("loudspeaker-matrices"), list_length, at); +#endif + + +/* A struct for a loudspeaker instance */ +typedef struct +{ // distance value is 1.0 == unit vectors + float x; // cartesian coordinates + float y; + float z; + float azi; // polar coordinates + float ele; + int channel_nbr; // which speaker channel number +} t_ls; + +/* A struct for all loudspeaker sets */ +typedef struct t_ls_set +{ + int ls_nos[3]; // channel numbers + float inv_mx[9]; // inverse 3x3 or 2x2 matrix + struct t_ls_set *next; // next set (triplet or pair) +} t_ls_set; + +#ifdef VBAP_OBJECT + typedef struct vbap /* This defines the object as an entity made up of other things */ + { + t_object x_obj; + float x_azi; // panning direction azimuth + float x_ele; // panning direction elevation + void *x_outlet0; /* outlet creation - inlets are automatic */ + void *x_outlet1; + void *x_outlet2; + void *x_outlet3; + void *x_outlet4; + float x_set_inv_matx[MAX_LS_SETS][9]; // inverse matrice for each loudspeaker set + float x_set_matx[MAX_LS_SETS][9]; // matrice for each loudspeaker set + long x_lsset[MAX_LS_SETS][3]; // channel numbers of loudspeakers in each LS set + long x_lsset_available; // have loudspeaker sets been defined with define_loudspeakers + long x_lsset_amount; // amount of loudspeaker sets + long x_ls_amount; // amount of loudspeakers + long x_dimension; // 2 or 3 +# ifdef PD + t_float x_spread; // speading amount of virtual source (0-100) + t_float x_gain; // general gain control (0-2) +# else /* Max */ + long x_spread; // speading amount of virtual source (0-100) + double x_gain; // general gain control (0-2) +# endif /* PD */ + float x_spread_base[3]; // used to create uniform spreading + + // define_loudspeaker data + long x_ls_read; // 1 if loudspeaker directions have been read + long x_triplets_specified; // 1 if loudspeaker triplets have been chosen + t_ls x_ls[MAX_LS_AMOUNT]; // loudspeakers + t_ls_set *x_ls_set; // loudspeaker sets + long x_def_ls_amount; // number of loudspeakers + long x_def_ls_dimension; // 2 (horizontal arrays) or 3 (3d setups) + } t_vbap; + + // define loudspeaker data type... + typedef t_vbap t_def_ls; +#else + /* define_loudspeakers maxmsp object */ + typedef struct + { + t_object x_obj; /* gotta say this... it creates a reference to your object */ + long x_ls_read; // 1 if loudspeaker directions have been read + long x_triplets_specified; // 1 if loudspeaker triplets have been chosen + t_ls x_ls[MAX_LS_AMOUNT]; // loudspeakers + t_ls_set *x_ls_set; // loudspeaker sets + void *x_outlet0; /* outlet creation - inlets are automatic */ + long x_def_ls_amount; // number of loudspeakers + long x_def_ls_dimension; // 2 (horizontal arrays) or 3 (3d setups) + } t_def_ls; +#endif /* VBAP_OBJECT */ + +# ifndef PD +/** Enable/Disable traces */ +static bool _enable_trace = false; +void traces(t_def_ls *x, long n) { _enable_trace = n ? true : false;} +#endif /* ! PD */ + +#endif |