1 #ifndef CLM_H
2 #define CLM_H
3 
4 #define MUS_VERSION 6
5 #define MUS_REVISION 19
6 #define MUS_DATE "17-Nov-18"
7 
8 /* isn't mus_env_interp backwards? */
9 
10 #include "sndlib.h"
11 
12 #ifndef _MSC_VER
13   #include <sys/param.h>
14 #endif
15 #if HAVE_COMPLEX_TRIG
16   #include <complex.h>
17 #endif
18 
19 #if(!defined(M_PI))
20   #define M_PI 3.14159265358979323846264338327
21   #define M_PI_2 (M_PI / 2.0)
22 #endif
23 
24 #define MUS_DEFAULT_SAMPLING_RATE 44100.0
25 #define MUS_DEFAULT_FILE_BUFFER_SIZE 8192
26 #define MUS_DEFAULT_ARRAY_PRINT_LENGTH 8
27 
28 typedef enum {MUS_NOT_SPECIAL, MUS_SIMPLE_FILTER, MUS_FULL_FILTER, MUS_OUTPUT, MUS_INPUT, MUS_DELAY_LINE} mus_clm_extended_t;
29 
30 typedef struct mus_any_class mus_any_class;
31 typedef struct {
32   struct mus_any_class *core;
33 } mus_any;
34 
35 
36 typedef enum {MUS_INTERP_NONE, MUS_INTERP_LINEAR, MUS_INTERP_SINUSOIDAL, MUS_INTERP_ALL_PASS,
37 	      MUS_INTERP_LAGRANGE, MUS_INTERP_BEZIER, MUS_INTERP_HERMITE} mus_interp_t;
38 
39 typedef enum {MUS_RECTANGULAR_WINDOW, MUS_HANN_WINDOW, MUS_WELCH_WINDOW, MUS_PARZEN_WINDOW, MUS_BARTLETT_WINDOW,
40 	      MUS_HAMMING_WINDOW, MUS_BLACKMAN2_WINDOW, MUS_BLACKMAN3_WINDOW, MUS_BLACKMAN4_WINDOW,
41 	      MUS_EXPONENTIAL_WINDOW, MUS_RIEMANN_WINDOW, MUS_KAISER_WINDOW, MUS_CAUCHY_WINDOW, MUS_POISSON_WINDOW,
42 	      MUS_GAUSSIAN_WINDOW, MUS_TUKEY_WINDOW, MUS_DOLPH_CHEBYSHEV_WINDOW, MUS_HANN_POISSON_WINDOW,
43 	      MUS_CONNES_WINDOW, MUS_SAMARAKI_WINDOW, MUS_ULTRASPHERICAL_WINDOW,
44 	      MUS_BARTLETT_HANN_WINDOW, MUS_BOHMAN_WINDOW, MUS_FLAT_TOP_WINDOW,
45 	      MUS_BLACKMAN5_WINDOW, MUS_BLACKMAN6_WINDOW, MUS_BLACKMAN7_WINDOW, MUS_BLACKMAN8_WINDOW, MUS_BLACKMAN9_WINDOW, MUS_BLACKMAN10_WINDOW,
46 	      MUS_RV2_WINDOW, MUS_RV3_WINDOW, MUS_RV4_WINDOW, MUS_MLT_SINE_WINDOW, MUS_PAPOULIS_WINDOW, MUS_DPSS_WINDOW, MUS_SINC_WINDOW,
47 	      MUS_NUM_FFT_WINDOWS} mus_fft_window_t;
48 
49 typedef enum {MUS_SPECTRUM_IN_DB, MUS_SPECTRUM_NORMALIZED, MUS_SPECTRUM_RAW} mus_spectrum_t;
50 typedef enum {MUS_CHEBYSHEV_EITHER_KIND, MUS_CHEBYSHEV_FIRST_KIND, MUS_CHEBYSHEV_SECOND_KIND, MUS_CHEBYSHEV_BOTH_KINDS} mus_polynomial_t;
51 
52 #define MUS_MAX_CLM_SINC_WIDTH 65536
53 #define MUS_MAX_CLM_SRC 65536.0
54 
55 
56 /* this is internal -- for clm->clm2xen */
57 typedef struct {
58   mus_any_class *core;
59   int chan;
60   mus_long_t loc;
61   char *file_name;
62   int chans;
63   mus_float_t **obufs;
64   mus_float_t *obuf0, *obuf1;
65   mus_long_t data_start, data_end;
66   mus_long_t out_end;
67   mus_sample_t output_sample_type;
68   mus_header_t output_header_type;
69 } rdout;
70 /* end internal stuff */
71 
72 
73 #ifdef __cplusplus
74 extern "C" {
75 #endif
76 
77 MUS_EXPORT void mus_initialize(void);
78 
79 MUS_EXPORT int mus_make_generator_type(void);
80 
81 MUS_EXPORT mus_any_class *mus_generator_class(mus_any *ptr);
82 MUS_EXPORT mus_any_class *mus_make_generator(int type, char *name,
83 					     void (*release)(mus_any *ptr),
84 					     char *(*describe)(mus_any *ptr),
85 					     bool (*equalp)(mus_any *gen1, mus_any *gen2));
86 
87 MUS_EXPORT void mus_generator_set_length(mus_any_class *p, mus_long_t (*length)(mus_any *ptr));
88 MUS_EXPORT void mus_generator_set_scaler(mus_any_class *p, mus_float_t (*scaler)(mus_any *ptr));
89 MUS_EXPORT void mus_generator_set_channels(mus_any_class *p, int (*channels)(mus_any *ptr));
90 MUS_EXPORT void mus_generator_set_location(mus_any_class *p, mus_long_t (*location)(mus_any *ptr));
91 MUS_EXPORT void mus_generator_set_set_location(mus_any_class *p, mus_long_t (*set_location)(mus_any *ptr, mus_long_t loc));
92 MUS_EXPORT void mus_generator_set_channel(mus_any_class *p, int (*channel)(mus_any *ptr));
93 MUS_EXPORT void mus_generator_set_file_name(mus_any_class *p, char *(*file_name)(mus_any *ptr));
94 MUS_EXPORT void mus_generator_set_extended_type(mus_any_class *p, mus_clm_extended_t extended_type);
95 MUS_EXPORT void mus_generator_set_read_sample(mus_any_class *p, mus_float_t (*read_sample)(mus_any *ptr, mus_long_t samp, int chan));
96 MUS_EXPORT void mus_generator_set_feeders(mus_any *g,
97 					  mus_float_t (*feed)(void *arg, int direction),
98 					  mus_float_t (*block_feed)(void *arg, int direction, mus_float_t *block, mus_long_t start, mus_long_t end));
99 MUS_EXPORT void mus_generator_copy_feeders(mus_any *dest, mus_any *source);
100 
101 MUS_EXPORT mus_float_t mus_radians_to_hz(mus_float_t radians);
102 MUS_EXPORT mus_float_t mus_hz_to_radians(mus_float_t hz);
103 MUS_EXPORT mus_float_t mus_degrees_to_radians(mus_float_t degrees);
104 MUS_EXPORT mus_float_t mus_radians_to_degrees(mus_float_t radians);
105 MUS_EXPORT mus_float_t mus_db_to_linear(mus_float_t x);
106 MUS_EXPORT mus_float_t mus_linear_to_db(mus_float_t x);
107 MUS_EXPORT mus_float_t mus_odd_multiple(mus_float_t x, mus_float_t y);
108 MUS_EXPORT mus_float_t mus_even_multiple(mus_float_t x, mus_float_t y);
109 MUS_EXPORT mus_float_t mus_odd_weight(mus_float_t x);
110 MUS_EXPORT mus_float_t mus_even_weight(mus_float_t x);
111 MUS_EXPORT const char *mus_interp_type_to_string(int type);
112 
113 MUS_EXPORT mus_float_t mus_srate(void);
114 MUS_EXPORT mus_float_t mus_set_srate(mus_float_t val);
115 MUS_EXPORT mus_long_t mus_seconds_to_samples(mus_float_t secs);
116 MUS_EXPORT mus_float_t mus_samples_to_seconds(mus_long_t samps);
117 MUS_EXPORT int mus_array_print_length(void);
118 MUS_EXPORT int mus_set_array_print_length(int val);
119 MUS_EXPORT mus_float_t mus_float_equal_fudge_factor(void);
120 MUS_EXPORT mus_float_t mus_set_float_equal_fudge_factor(mus_float_t val);
121 
122 MUS_EXPORT mus_float_t mus_ring_modulate(mus_float_t s1, mus_float_t s2);
123 MUS_EXPORT mus_float_t mus_amplitude_modulate(mus_float_t s1, mus_float_t s2, mus_float_t s3);
124 MUS_EXPORT mus_float_t mus_contrast_enhancement(mus_float_t sig, mus_float_t index);
125 MUS_EXPORT mus_float_t mus_dot_product(mus_float_t *data1, mus_float_t *data2, mus_long_t size);
126 #if HAVE_COMPLEX_TRIG
127   MUS_EXPORT complex double mus_edot_product(complex double freq, complex double *data, mus_long_t size);
128 #endif
129 
130 MUS_EXPORT bool mus_arrays_are_equal(mus_float_t *arr1, mus_float_t *arr2, mus_float_t fudge, mus_long_t len);
131 MUS_EXPORT mus_float_t mus_polynomial(mus_float_t *coeffs, mus_float_t x, int ncoeffs);
132 MUS_EXPORT void mus_rectangular_to_polar(mus_float_t *rl, mus_float_t *im, mus_long_t size);
133 MUS_EXPORT void mus_rectangular_to_magnitudes(mus_float_t *rl, mus_float_t *im, mus_long_t size);
134 MUS_EXPORT void mus_polar_to_rectangular(mus_float_t *rl, mus_float_t *im, mus_long_t size);
135 MUS_EXPORT mus_float_t mus_array_interp(mus_float_t *wave, mus_float_t phase, mus_long_t size);
136 MUS_EXPORT mus_float_t mus_bessi0(mus_float_t x);
137 MUS_EXPORT mus_float_t mus_interpolate(mus_interp_t type, mus_float_t x, mus_float_t *table, mus_long_t table_size, mus_float_t y);
138 MUS_EXPORT bool mus_is_interp_type(int val);
139 MUS_EXPORT bool mus_is_fft_window(int val);
140 
141 MUS_EXPORT int mus_sample_type_zero(mus_sample_t samp_type);
142 MUS_EXPORT mus_float_t (*mus_run_function(mus_any *g))(mus_any *gen, mus_float_t arg1, mus_float_t arg2);
143 MUS_EXPORT mus_float_t (*mus_run1_function(mus_any *g))(mus_any *gen, mus_float_t arg);
144 
145 
146 /* -------- generic functions -------- */
147 
148 MUS_EXPORT int mus_type(mus_any *ptr);
149 MUS_EXPORT void mus_free(mus_any *ptr);
150 MUS_EXPORT char *mus_describe(mus_any *gen);
151 MUS_EXPORT bool mus_equalp(mus_any *g1, mus_any *g2);
152 MUS_EXPORT mus_float_t mus_phase(mus_any *gen);
153 MUS_EXPORT mus_float_t mus_set_phase(mus_any *gen, mus_float_t val);
154 MUS_EXPORT mus_float_t mus_set_frequency(mus_any *gen, mus_float_t val);
155 MUS_EXPORT mus_float_t mus_frequency(mus_any *gen);
156 MUS_EXPORT mus_float_t mus_run(mus_any *gen, mus_float_t arg1, mus_float_t arg2);
157 MUS_EXPORT mus_long_t mus_length(mus_any *gen);
158 MUS_EXPORT mus_long_t mus_set_length(mus_any *gen, mus_long_t len);
159 MUS_EXPORT mus_long_t mus_order(mus_any *gen);
160 MUS_EXPORT mus_float_t *mus_data(mus_any *gen);
161 MUS_EXPORT mus_float_t *mus_set_data(mus_any *gen, mus_float_t *data);
162 MUS_EXPORT const char *mus_name(mus_any *ptr);
163 MUS_EXPORT mus_float_t mus_scaler(mus_any *gen);
164 MUS_EXPORT mus_float_t mus_set_scaler(mus_any *gen, mus_float_t val);
165 MUS_EXPORT mus_float_t mus_offset(mus_any *gen);
166 MUS_EXPORT mus_float_t mus_set_offset(mus_any *gen, mus_float_t val);
167 MUS_EXPORT mus_float_t mus_width(mus_any *gen);
168 MUS_EXPORT mus_float_t mus_set_width(mus_any *gen, mus_float_t val);
169 MUS_EXPORT char *mus_file_name(mus_any *ptr);
170 MUS_EXPORT void mus_reset(mus_any *ptr);
171 MUS_EXPORT mus_any *mus_copy(mus_any *gen);
172 MUS_EXPORT mus_float_t *mus_xcoeffs(mus_any *ptr);
173 MUS_EXPORT mus_float_t *mus_ycoeffs(mus_any *ptr);
174 MUS_EXPORT mus_float_t mus_xcoeff(mus_any *ptr, int index);
175 MUS_EXPORT mus_float_t mus_set_xcoeff(mus_any *ptr, int index, mus_float_t val);
176 MUS_EXPORT mus_float_t mus_ycoeff(mus_any *ptr, int index);
177 MUS_EXPORT mus_float_t mus_set_ycoeff(mus_any *ptr, int index, mus_float_t val);
178 MUS_EXPORT mus_float_t mus_increment(mus_any *rd);
179 MUS_EXPORT mus_float_t mus_set_increment(mus_any *rd, mus_float_t dir);
180 MUS_EXPORT mus_long_t mus_location(mus_any *rd);
181 MUS_EXPORT mus_long_t mus_set_location(mus_any *rd, mus_long_t loc);
182 MUS_EXPORT int mus_channel(mus_any *rd);
183 MUS_EXPORT int mus_channels(mus_any *ptr);
184 MUS_EXPORT int mus_position(mus_any *ptr); /* only C, envs (snd-env.c), shares slot with mus_channels */
185 MUS_EXPORT int mus_interp_type(mus_any *ptr);
186 MUS_EXPORT mus_long_t mus_ramp(mus_any *ptr);
187 MUS_EXPORT mus_long_t mus_set_ramp(mus_any *ptr, mus_long_t val);
188 MUS_EXPORT mus_long_t mus_hop(mus_any *ptr);
189 MUS_EXPORT mus_long_t mus_set_hop(mus_any *ptr, mus_long_t val);
190 MUS_EXPORT mus_float_t mus_feedforward(mus_any *gen);
191 MUS_EXPORT mus_float_t mus_set_feedforward(mus_any *gen, mus_float_t val);
192 MUS_EXPORT mus_float_t mus_feedback(mus_any *rd);
193 MUS_EXPORT mus_float_t mus_set_feedback(mus_any *rd, mus_float_t dir);
194 
195 MUS_EXPORT bool mus_phase_exists(mus_any *gen);
196 MUS_EXPORT bool mus_frequency_exists(mus_any *gen);
197 MUS_EXPORT bool mus_length_exists(mus_any *gen);
198 MUS_EXPORT bool mus_order_exists(mus_any *gen);
199 MUS_EXPORT bool mus_data_exists(mus_any *gen);
200 MUS_EXPORT bool mus_name_exists(mus_any *gen);
201 MUS_EXPORT bool mus_scaler_exists(mus_any *gen);
202 MUS_EXPORT bool mus_offset_exists(mus_any *gen);
203 MUS_EXPORT bool mus_width_exists(mus_any *gen);
204 MUS_EXPORT bool mus_file_name_exists(mus_any *gen);
205 MUS_EXPORT bool mus_xcoeffs_exists(mus_any *gen);
206 MUS_EXPORT bool mus_ycoeffs_exists(mus_any *gen);
207 MUS_EXPORT bool mus_increment_exists(mus_any *gen);
208 MUS_EXPORT bool mus_location_exists(mus_any *gen);
209 MUS_EXPORT bool mus_channel_exists(mus_any *gen);
210 MUS_EXPORT bool mus_channels_exists(mus_any *gen);
211 MUS_EXPORT bool mus_position_exists(mus_any *gen);
212 MUS_EXPORT bool mus_interp_type_exists(mus_any *gen);
213 MUS_EXPORT bool mus_ramp_exists(mus_any *gen);
214 MUS_EXPORT bool mus_hop_exists(mus_any *gen);
215 MUS_EXPORT bool mus_feedforward_exists(mus_any *gen);
216 MUS_EXPORT bool mus_feedback_exists(mus_any *gen);
217 
218 
219 /* -------- generators -------- */
220 
221 MUS_EXPORT mus_float_t mus_oscil(mus_any *o, mus_float_t fm, mus_float_t pm);
222 MUS_EXPORT mus_float_t mus_oscil_unmodulated(mus_any *ptr);
223 MUS_EXPORT mus_float_t mus_oscil_fm(mus_any *ptr, mus_float_t fm);
224 MUS_EXPORT mus_float_t mus_oscil_pm(mus_any *ptr, mus_float_t pm);
225 MUS_EXPORT bool mus_is_oscil(mus_any *ptr);
226 MUS_EXPORT mus_any *mus_make_oscil(mus_float_t freq, mus_float_t phase);
227 
228 MUS_EXPORT bool mus_is_oscil_bank(mus_any *ptr);
229 MUS_EXPORT mus_float_t mus_oscil_bank(mus_any *ptr);
230 MUS_EXPORT mus_any *mus_make_oscil_bank(int size, mus_float_t *freqs, mus_float_t *phases, mus_float_t *amps, bool stable);
231 
232 MUS_EXPORT mus_any *mus_make_ncos(mus_float_t freq, int n);
233 MUS_EXPORT mus_float_t mus_ncos(mus_any *ptr, mus_float_t fm);
234 MUS_EXPORT bool mus_is_ncos(mus_any *ptr);
235 
236 MUS_EXPORT mus_any *mus_make_nsin(mus_float_t freq, int n);
237 MUS_EXPORT mus_float_t mus_nsin(mus_any *ptr, mus_float_t fm);
238 MUS_EXPORT bool mus_is_nsin(mus_any *ptr);
239 
240 MUS_EXPORT mus_any *mus_make_nrxysin(mus_float_t frequency, mus_float_t y_over_x, int n, mus_float_t r);
241 MUS_EXPORT mus_float_t mus_nrxysin(mus_any *ptr, mus_float_t fm);
242 MUS_EXPORT bool mus_is_nrxysin(mus_any *ptr);
243 
244 MUS_EXPORT mus_any *mus_make_nrxycos(mus_float_t frequency, mus_float_t y_over_x, int n, mus_float_t r);
245 MUS_EXPORT mus_float_t mus_nrxycos(mus_any *ptr, mus_float_t fm);
246 MUS_EXPORT bool mus_is_nrxycos(mus_any *ptr);
247 
248 MUS_EXPORT mus_any *mus_make_rxykcos(mus_float_t freq, mus_float_t phase, mus_float_t r, mus_float_t ratio);
249 MUS_EXPORT mus_float_t mus_rxykcos(mus_any *ptr, mus_float_t fm);
250 MUS_EXPORT bool mus_is_rxykcos(mus_any *ptr);
251 
252 MUS_EXPORT mus_any *mus_make_rxyksin(mus_float_t freq, mus_float_t phase, mus_float_t r, mus_float_t ratio);
253 MUS_EXPORT mus_float_t mus_rxyksin(mus_any *ptr, mus_float_t fm);
254 MUS_EXPORT bool mus_is_rxyksin(mus_any *ptr);
255 
256 MUS_EXPORT mus_float_t mus_delay(mus_any *gen, mus_float_t input, mus_float_t pm);
257 MUS_EXPORT mus_float_t mus_delay_unmodulated(mus_any *ptr, mus_float_t input);
258 MUS_EXPORT mus_float_t mus_tap(mus_any *gen, mus_float_t loc);
259 MUS_EXPORT mus_float_t mus_tap_unmodulated(mus_any *gen);
260 MUS_EXPORT mus_any *mus_make_delay(int size, mus_float_t *line, int line_size, mus_interp_t type);
261 MUS_EXPORT bool mus_is_delay(mus_any *ptr);
262 MUS_EXPORT bool mus_is_tap(mus_any *ptr);
263 MUS_EXPORT mus_float_t mus_delay_tick(mus_any *ptr, mus_float_t input);
264 MUS_EXPORT mus_float_t mus_delay_unmodulated_noz(mus_any *ptr, mus_float_t input);
265 
266 MUS_EXPORT mus_float_t mus_comb(mus_any *gen, mus_float_t input, mus_float_t pm);
267 MUS_EXPORT mus_float_t mus_comb_unmodulated(mus_any *gen, mus_float_t input);
268 MUS_EXPORT mus_any *mus_make_comb(mus_float_t scaler, int size, mus_float_t *line, int line_size, mus_interp_t type);
269 MUS_EXPORT bool mus_is_comb(mus_any *ptr);
270 MUS_EXPORT mus_float_t mus_comb_unmodulated_noz(mus_any *ptr, mus_float_t input);
271 
272 MUS_EXPORT mus_float_t mus_comb_bank(mus_any *bank, mus_float_t inval);
273 MUS_EXPORT mus_any *mus_make_comb_bank(int size, mus_any **combs);
274 MUS_EXPORT bool mus_is_comb_bank(mus_any *g);
275 
276 MUS_EXPORT mus_float_t mus_notch(mus_any *gen, mus_float_t input, mus_float_t pm);
277 MUS_EXPORT mus_float_t mus_notch_unmodulated(mus_any *gen, mus_float_t input);
278 MUS_EXPORT mus_any *mus_make_notch(mus_float_t scaler, int size, mus_float_t *line, int line_size, mus_interp_t type);
279 MUS_EXPORT bool mus_is_notch(mus_any *ptr);
280 
281 MUS_EXPORT mus_float_t mus_all_pass(mus_any *gen, mus_float_t input, mus_float_t pm);
282 MUS_EXPORT mus_float_t mus_all_pass_unmodulated(mus_any *gen, mus_float_t input);
283 MUS_EXPORT mus_any *mus_make_all_pass(mus_float_t backward, mus_float_t forward, int size, mus_float_t *line, int line_size, mus_interp_t type);
284 MUS_EXPORT bool mus_is_all_pass(mus_any *ptr);
285 MUS_EXPORT mus_float_t mus_all_pass_unmodulated_noz(mus_any *ptr, mus_float_t input);
286 
287 MUS_EXPORT mus_float_t mus_all_pass_bank(mus_any *bank, mus_float_t inval);
288 MUS_EXPORT mus_any *mus_make_all_pass_bank(int size, mus_any **combs);
289 MUS_EXPORT bool mus_is_all_pass_bank(mus_any *g);
290 
291 MUS_EXPORT mus_any *mus_make_moving_average(int size, mus_float_t *line);
292 MUS_EXPORT mus_any *mus_make_moving_average_with_initial_sum(int size, mus_float_t *line, mus_float_t sum);
293 MUS_EXPORT bool mus_is_moving_average(mus_any *ptr);
294 MUS_EXPORT mus_float_t mus_moving_average(mus_any *ptr, mus_float_t input);
295 
296 MUS_EXPORT mus_any *mus_make_moving_max(int size, mus_float_t *line);
297 MUS_EXPORT bool mus_is_moving_max(mus_any *ptr);
298 MUS_EXPORT mus_float_t mus_moving_max(mus_any *ptr, mus_float_t input);
299 
300 MUS_EXPORT mus_any *mus_make_moving_norm(int size, mus_float_t *line, mus_float_t norm);
301 MUS_EXPORT bool mus_is_moving_norm(mus_any *ptr);
302 MUS_EXPORT mus_float_t mus_moving_norm(mus_any *ptr, mus_float_t input);
303 
304 MUS_EXPORT mus_float_t mus_table_lookup(mus_any *gen, mus_float_t fm);
305 MUS_EXPORT mus_float_t mus_table_lookup_unmodulated(mus_any *gen);
306 MUS_EXPORT mus_any *mus_make_table_lookup(mus_float_t freq, mus_float_t phase, mus_float_t *wave, mus_long_t wave_size, mus_interp_t type);
307 MUS_EXPORT bool mus_is_table_lookup(mus_any *ptr);
308 MUS_EXPORT mus_float_t *mus_partials_to_wave(mus_float_t *partial_data, int partials, mus_float_t *table, mus_long_t table_size, bool normalize);
309 MUS_EXPORT mus_float_t *mus_phase_partials_to_wave(mus_float_t *partial_data, int partials, mus_float_t *table, mus_long_t table_size, bool normalize);
310 
311 MUS_EXPORT mus_float_t mus_sawtooth_wave(mus_any *gen, mus_float_t fm);
312 MUS_EXPORT mus_any *mus_make_sawtooth_wave(mus_float_t freq, mus_float_t amp, mus_float_t phase);
313 MUS_EXPORT bool mus_is_sawtooth_wave(mus_any *gen);
314 
315 MUS_EXPORT mus_float_t mus_square_wave(mus_any *gen, mus_float_t fm);
316 MUS_EXPORT mus_any *mus_make_square_wave(mus_float_t freq, mus_float_t amp, mus_float_t phase);
317 MUS_EXPORT bool mus_is_square_wave(mus_any *gen);
318 
319 MUS_EXPORT mus_float_t mus_triangle_wave(mus_any *gen, mus_float_t fm);
320 MUS_EXPORT mus_any *mus_make_triangle_wave(mus_float_t freq, mus_float_t amp, mus_float_t phase);
321 MUS_EXPORT bool mus_is_triangle_wave(mus_any *gen);
322 MUS_EXPORT mus_float_t mus_triangle_wave_unmodulated(mus_any *ptr);
323 
324 MUS_EXPORT mus_float_t mus_pulse_train(mus_any *gen, mus_float_t fm);
325 MUS_EXPORT mus_any *mus_make_pulse_train(mus_float_t freq, mus_float_t amp, mus_float_t phase);
326 MUS_EXPORT bool mus_is_pulse_train(mus_any *gen);
327 MUS_EXPORT mus_float_t mus_pulse_train_unmodulated(mus_any *ptr);
328 
329 MUS_EXPORT void mus_set_rand_seed(uint64_t seed);
330 MUS_EXPORT uint64_t mus_rand_seed(void);
331 MUS_EXPORT mus_float_t mus_random(mus_float_t amp);
332 MUS_EXPORT mus_float_t mus_frandom(mus_float_t amp);
333 MUS_EXPORT int mus_irandom(int amp);
334 
335 MUS_EXPORT mus_float_t mus_rand(mus_any *gen, mus_float_t fm);
336 MUS_EXPORT mus_any *mus_make_rand(mus_float_t freq, mus_float_t base);
337 MUS_EXPORT bool mus_is_rand(mus_any *ptr);
338 MUS_EXPORT mus_any *mus_make_rand_with_distribution(mus_float_t freq, mus_float_t base, mus_float_t *distribution, int distribution_size);
339 
340 MUS_EXPORT mus_float_t mus_rand_interp(mus_any *gen, mus_float_t fm);
341 MUS_EXPORT mus_any *mus_make_rand_interp(mus_float_t freq, mus_float_t base);
342 MUS_EXPORT bool mus_is_rand_interp(mus_any *ptr);
343 MUS_EXPORT mus_any *mus_make_rand_interp_with_distribution(mus_float_t freq, mus_float_t base, mus_float_t *distribution, int distribution_size);
344 MUS_EXPORT mus_float_t mus_rand_interp_unmodulated(mus_any *ptr);
345 MUS_EXPORT mus_float_t mus_rand_unmodulated(mus_any *ptr);
346 
347 MUS_EXPORT mus_float_t mus_asymmetric_fm(mus_any *gen, mus_float_t index, mus_float_t fm);
348 MUS_EXPORT mus_float_t mus_asymmetric_fm_unmodulated(mus_any *gen, mus_float_t index);
349 MUS_EXPORT mus_any *mus_make_asymmetric_fm(mus_float_t freq, mus_float_t phase, mus_float_t r, mus_float_t ratio);
350 MUS_EXPORT bool mus_is_asymmetric_fm(mus_any *ptr);
351 
352 MUS_EXPORT mus_float_t mus_one_zero(mus_any *gen, mus_float_t input);
353 MUS_EXPORT mus_any *mus_make_one_zero(mus_float_t a0, mus_float_t a1);
354 MUS_EXPORT bool mus_is_one_zero(mus_any *gen);
355 
356 MUS_EXPORT mus_float_t mus_one_pole(mus_any *gen, mus_float_t input);
357 MUS_EXPORT mus_any *mus_make_one_pole(mus_float_t a0, mus_float_t b1);
358 MUS_EXPORT bool mus_is_one_pole(mus_any *gen);
359 
360 MUS_EXPORT mus_float_t mus_two_zero(mus_any *gen, mus_float_t input);
361 MUS_EXPORT mus_any *mus_make_two_zero(mus_float_t a0, mus_float_t a1, mus_float_t a2);
362 MUS_EXPORT bool mus_is_two_zero(mus_any *gen);
363 MUS_EXPORT mus_any *mus_make_two_zero_from_frequency_and_radius(mus_float_t frequency, mus_float_t radius);
364 
365 MUS_EXPORT mus_float_t mus_two_pole(mus_any *gen, mus_float_t input);
366 MUS_EXPORT mus_any *mus_make_two_pole(mus_float_t a0, mus_float_t b1, mus_float_t b2);
367 MUS_EXPORT bool mus_is_two_pole(mus_any *gen);
368 MUS_EXPORT mus_any *mus_make_two_pole_from_frequency_and_radius(mus_float_t frequency, mus_float_t radius);
369 
370 MUS_EXPORT mus_float_t mus_one_pole_all_pass(mus_any *f, mus_float_t input);
371 MUS_EXPORT mus_any *mus_make_one_pole_all_pass(int size, mus_float_t coeff);
372 MUS_EXPORT bool mus_is_one_pole_all_pass(mus_any *ptr);
373 
374 MUS_EXPORT mus_float_t mus_formant(mus_any *ptr, mus_float_t input);
375 MUS_EXPORT mus_any *mus_make_formant(mus_float_t frequency, mus_float_t radius);
376 MUS_EXPORT bool mus_is_formant(mus_any *ptr);
377 MUS_EXPORT mus_float_t mus_set_formant_frequency(mus_any *ptr, mus_float_t freq_in_hz);
378 MUS_EXPORT void mus_set_formant_radius_and_frequency(mus_any *ptr, mus_float_t radius, mus_float_t frequency);
379 MUS_EXPORT mus_float_t mus_formant_with_frequency(mus_any *ptr, mus_float_t input, mus_float_t freq_in_radians);
380 
381 MUS_EXPORT mus_float_t mus_formant_bank(mus_any *bank, mus_float_t inval);
382 MUS_EXPORT mus_float_t mus_formant_bank_with_inputs(mus_any *bank, mus_float_t *inval);
383 MUS_EXPORT mus_any *mus_make_formant_bank(int size, mus_any **formants, mus_float_t *amps);
384 MUS_EXPORT bool mus_is_formant_bank(mus_any *g);
385 
386 MUS_EXPORT mus_float_t mus_firmant(mus_any *ptr, mus_float_t input);
387 MUS_EXPORT mus_any *mus_make_firmant(mus_float_t frequency, mus_float_t radius);
388 MUS_EXPORT bool mus_is_firmant(mus_any *ptr);
389 MUS_EXPORT mus_float_t mus_firmant_with_frequency(mus_any *ptr, mus_float_t input, mus_float_t freq_in_radians);
390 
391 MUS_EXPORT mus_float_t mus_filter(mus_any *ptr, mus_float_t input);
392 MUS_EXPORT mus_any *mus_make_filter(int order, mus_float_t *xcoeffs, mus_float_t *ycoeffs, mus_float_t *state);
393 MUS_EXPORT bool mus_is_filter(mus_any *ptr);
394 
395 MUS_EXPORT mus_float_t mus_fir_filter(mus_any *ptr, mus_float_t input);
396 MUS_EXPORT mus_any *mus_make_fir_filter(int order, mus_float_t *xcoeffs, mus_float_t *state);
397 MUS_EXPORT bool mus_is_fir_filter(mus_any *ptr);
398 
399 MUS_EXPORT mus_float_t mus_iir_filter(mus_any *ptr, mus_float_t input);
400 MUS_EXPORT mus_any *mus_make_iir_filter(int order, mus_float_t *ycoeffs, mus_float_t *state);
401 MUS_EXPORT bool mus_is_iir_filter(mus_any *ptr);
402 MUS_EXPORT mus_float_t *mus_make_fir_coeffs(int order, mus_float_t *env, mus_float_t *aa);
403 
404 MUS_EXPORT mus_float_t *mus_filter_set_xcoeffs(mus_any *ptr, mus_float_t *new_data);
405 MUS_EXPORT mus_float_t *mus_filter_set_ycoeffs(mus_any *ptr, mus_float_t *new_data);
406 MUS_EXPORT int mus_filter_set_order(mus_any *ptr, int order);
407 
408 MUS_EXPORT mus_float_t mus_filtered_comb(mus_any *ptr, mus_float_t input, mus_float_t pm);
409 MUS_EXPORT mus_float_t mus_filtered_comb_unmodulated(mus_any *ptr, mus_float_t input);
410 MUS_EXPORT bool mus_is_filtered_comb(mus_any *ptr);
411 MUS_EXPORT mus_any *mus_make_filtered_comb(mus_float_t scaler, int size, mus_float_t *line, int line_size, mus_interp_t type, mus_any *filt);
412 
413 MUS_EXPORT mus_float_t mus_filtered_comb_bank(mus_any *bank, mus_float_t inval);
414 MUS_EXPORT mus_any *mus_make_filtered_comb_bank(int size, mus_any **combs);
415 MUS_EXPORT bool mus_is_filtered_comb_bank(mus_any *g);
416 
417 MUS_EXPORT mus_float_t mus_wave_train(mus_any *gen, mus_float_t fm);
418 MUS_EXPORT mus_float_t mus_wave_train_unmodulated(mus_any *gen);
419 MUS_EXPORT mus_any *mus_make_wave_train(mus_float_t freq, mus_float_t phase, mus_float_t *wave, mus_long_t wsize, mus_interp_t type);
420 MUS_EXPORT bool mus_is_wave_train(mus_any *gen);
421 
422 MUS_EXPORT mus_float_t *mus_partials_to_polynomial(int npartials, mus_float_t *partials, mus_polynomial_t kind);
423 MUS_EXPORT mus_float_t *mus_normalize_partials(int num_partials, mus_float_t *partials);
424 
425 MUS_EXPORT mus_any *mus_make_polyshape(mus_float_t frequency, mus_float_t phase, mus_float_t *coeffs, int size, int cheby_choice);
426 MUS_EXPORT mus_float_t mus_polyshape(mus_any *ptr, mus_float_t index, mus_float_t fm);
427 MUS_EXPORT mus_float_t mus_polyshape_unmodulated(mus_any *ptr, mus_float_t index);
428 #define mus_polyshape_no_input(Obj) mus_polyshape(Obj, 1.0, 0.0)
429 MUS_EXPORT bool mus_is_polyshape(mus_any *ptr);
430 
431 MUS_EXPORT mus_any *mus_make_polywave(mus_float_t frequency, mus_float_t *coeffs, int n, int cheby_choice);
432 MUS_EXPORT mus_any *mus_make_polywave_tu(mus_float_t frequency, mus_float_t *tcoeffs, mus_float_t *ucoeffs, int n);
433 MUS_EXPORT bool mus_is_polywave(mus_any *ptr);
434 MUS_EXPORT mus_float_t mus_polywave_unmodulated(mus_any *ptr);
435 MUS_EXPORT mus_float_t mus_polywave(mus_any *ptr, mus_float_t fm);
436 MUS_EXPORT mus_float_t mus_chebyshev_t_sum(mus_float_t x, int n, mus_float_t *tn);
437 MUS_EXPORT mus_float_t mus_chebyshev_u_sum(mus_float_t x, int n, mus_float_t *un);
438 MUS_EXPORT mus_float_t mus_chebyshev_tu_sum(mus_float_t x, int n, mus_float_t *tn, mus_float_t *un);
439 MUS_EXPORT mus_float_t (*mus_polywave_function(mus_any *g))(mus_any *gen, mus_float_t fm);
440 
441 MUS_EXPORT mus_float_t mus_env(mus_any *ptr);
442 MUS_EXPORT mus_any *mus_make_env(mus_float_t *brkpts, int npts, mus_float_t scaler, mus_float_t offset, mus_float_t base,
443 				 mus_float_t duration, mus_long_t end, mus_float_t *odata);
444 MUS_EXPORT bool mus_is_env(mus_any *ptr);
445 MUS_EXPORT mus_float_t mus_env_interp(mus_float_t x, mus_any *env);
446 MUS_EXPORT mus_long_t *mus_env_passes(mus_any *gen);        /* for Snd */
447 MUS_EXPORT mus_float_t *mus_env_rates(mus_any *gen);        /* for Snd */
448 MUS_EXPORT mus_float_t mus_env_offset(mus_any *gen);        /* for Snd */
449 MUS_EXPORT mus_float_t mus_env_scaler(mus_any *gen);        /* for Snd */
450 MUS_EXPORT mus_float_t mus_env_initial_power(mus_any *gen); /* for Snd */
451 MUS_EXPORT int mus_env_breakpoints(mus_any *gen);      /* for Snd */
452 MUS_EXPORT mus_float_t mus_env_any(mus_any *e, mus_float_t (*connect_points)(mus_float_t val));
453 MUS_EXPORT mus_float_t (*mus_env_function(mus_any *g))(mus_any *gen);
454 
455 MUS_EXPORT mus_any *mus_make_pulsed_env(mus_any *e, mus_any *p);
456 MUS_EXPORT bool mus_is_pulsed_env(mus_any *ptr);
457 MUS_EXPORT mus_float_t mus_pulsed_env(mus_any *pl, mus_float_t inval);
458 MUS_EXPORT mus_float_t mus_pulsed_env_unmodulated(mus_any *pl);
459 
460 MUS_EXPORT bool mus_is_file_to_sample(mus_any *ptr);
461 MUS_EXPORT mus_any *mus_make_file_to_sample(const char *filename);
462 MUS_EXPORT mus_any *mus_make_file_to_sample_with_buffer_size(const char *filename, mus_long_t buffer_size);
463 MUS_EXPORT mus_float_t mus_file_to_sample(mus_any *ptr, mus_long_t samp, int chan);
464 
465 MUS_EXPORT mus_float_t mus_readin(mus_any *rd);
466 MUS_EXPORT mus_any *mus_make_readin_with_buffer_size(const char *filename, int chan, mus_long_t start, int direction, mus_long_t buffer_size);
467 #define mus_make_readin(Filename, Chan, Start, Direction) mus_make_readin_with_buffer_size(Filename, Chan, Start, Direction, mus_file_buffer_size())
468 MUS_EXPORT bool mus_is_readin(mus_any *ptr);
469 
470 MUS_EXPORT bool mus_is_output(mus_any *ptr);
471 MUS_EXPORT bool mus_is_input(mus_any *ptr);
472 MUS_EXPORT mus_float_t mus_in_any(mus_long_t frample, int chan, mus_any *IO);
473 MUS_EXPORT bool mus_in_any_is_safe(mus_any *IO);
474 
475   /* new 6.0 */
476 MUS_EXPORT mus_float_t *mus_file_to_frample(mus_any *ptr, mus_long_t samp, mus_float_t *f);
477 MUS_EXPORT mus_any *mus_make_file_to_frample(const char *filename);
478 MUS_EXPORT bool mus_is_file_to_frample(mus_any *ptr);
479 MUS_EXPORT mus_any *mus_make_file_to_frample_with_buffer_size(const char *filename, mus_long_t buffer_size);
480 MUS_EXPORT mus_float_t *mus_frample_to_frample(mus_float_t *matrix, int mx_chans, mus_float_t *in_samps, int in_chans, mus_float_t *out_samps, int out_chans);
481 
482 MUS_EXPORT bool mus_is_frample_to_file(mus_any *ptr);
483 MUS_EXPORT mus_float_t *mus_frample_to_file(mus_any *ptr, mus_long_t samp, mus_float_t *data);
484 MUS_EXPORT mus_any *mus_make_frample_to_file_with_comment(const char *filename, int chans, mus_sample_t samp_type, mus_header_t head_type, const char *comment);
485 #define mus_make_frample_to_file(Filename, Chans, SampType, HeadType) mus_make_frample_to_file_with_comment(Filename, Chans, SampType, HeadType, NULL)
486 MUS_EXPORT mus_any *mus_continue_frample_to_file(const char *filename);
487 
488 MUS_EXPORT void mus_file_mix_with_reader_and_writer(mus_any *outf, mus_any *inf,
489 						    mus_long_t out_start, mus_long_t out_framples, mus_long_t in_start,
490 						    mus_float_t *mx, int mx_chans, mus_any ***envs);
491 MUS_EXPORT void mus_file_mix(const char *outfile, const char *infile,
492 			     mus_long_t out_start, mus_long_t out_framples, mus_long_t in_start,
493 			     mus_float_t *mx, int mx_chans, mus_any ***envs);
494 
495 MUS_EXPORT bool mus_is_sample_to_file(mus_any *ptr);
496 MUS_EXPORT mus_any *mus_make_sample_to_file_with_comment(const char *filename, int out_chans, mus_sample_t samp_type, mus_header_t head_type, const char *comment);
497 #define mus_make_sample_to_file(Filename, Chans, SampType, HeadType) mus_make_sample_to_file_with_comment(Filename, Chans, SampType, HeadType, NULL)
498 MUS_EXPORT mus_float_t mus_sample_to_file(mus_any *ptr, mus_long_t samp, int chan, mus_float_t val);
499 MUS_EXPORT mus_any *mus_continue_sample_to_file(const char *filename);
500 MUS_EXPORT int mus_close_file(mus_any *ptr);
501 MUS_EXPORT mus_any *mus_sample_to_file_add(mus_any *out1, mus_any *out2);
502 
503 MUS_EXPORT mus_float_t mus_out_any(mus_long_t frample, mus_float_t val, int chan, mus_any *IO);
504 MUS_EXPORT mus_float_t mus_safe_out_any_to_file(mus_long_t samp, mus_float_t val, int chan, mus_any *IO);
505 MUS_EXPORT bool mus_out_any_is_safe(mus_any *IO);
506 MUS_EXPORT mus_float_t mus_out_any_to_file(mus_any *ptr, mus_long_t samp, int chan, mus_float_t val);
507 
508 MUS_EXPORT void mus_locsig(mus_any *ptr, mus_long_t loc, mus_float_t val);
509 MUS_EXPORT mus_any *mus_make_locsig(mus_float_t degree, mus_float_t distance, mus_float_t reverb, int chans,
510 				    mus_any *output, int rev_chans, mus_any *revput, mus_interp_t type);
511 MUS_EXPORT bool mus_is_locsig(mus_any *ptr);
512 MUS_EXPORT mus_float_t mus_locsig_ref(mus_any *ptr, int chan);
513 MUS_EXPORT mus_float_t mus_locsig_set(mus_any *ptr, int chan, mus_float_t val);
514 MUS_EXPORT mus_float_t mus_locsig_reverb_ref(mus_any *ptr, int chan);
515 MUS_EXPORT mus_float_t mus_locsig_reverb_set(mus_any *ptr, int chan, mus_float_t val);
516 MUS_EXPORT void mus_move_locsig(mus_any *ptr, mus_float_t degree, mus_float_t distance);
517 MUS_EXPORT mus_float_t *mus_locsig_outf(mus_any *ptr);
518 MUS_EXPORT mus_float_t *mus_locsig_revf(mus_any *ptr);
519 MUS_EXPORT void *mus_locsig_closure(mus_any *ptr);
520 MUS_EXPORT void mus_locsig_set_detour(mus_any *ptr, void (*detour)(mus_any *ptr, mus_long_t val));
521 MUS_EXPORT int mus_locsig_channels(mus_any *ptr);
522 MUS_EXPORT int mus_locsig_reverb_channels(mus_any *ptr);
523 
524 MUS_EXPORT bool mus_is_move_sound(mus_any *ptr);
525 MUS_EXPORT mus_float_t mus_move_sound(mus_any *ptr, mus_long_t loc, mus_float_t val);
526 MUS_EXPORT mus_any *mus_make_move_sound(mus_long_t start, mus_long_t end, int out_channels, int rev_channels,
527 					mus_any *doppler_delay, mus_any *doppler_env, mus_any *rev_env,
528 					mus_any **out_delays, mus_any **out_envs, mus_any **rev_envs,
529 					int *out_map, mus_any *output, mus_any *revput, bool free_arrays, bool free_gens);
530 MUS_EXPORT mus_float_t *mus_move_sound_outf(mus_any *ptr);
531 MUS_EXPORT mus_float_t *mus_move_sound_revf(mus_any *ptr);
532 MUS_EXPORT void *mus_move_sound_closure(mus_any *ptr);
533 MUS_EXPORT void mus_move_sound_set_detour(mus_any *ptr, void (*detour)(mus_any *ptr, mus_long_t val));
534 MUS_EXPORT int mus_move_sound_channels(mus_any *ptr);
535 MUS_EXPORT int mus_move_sound_reverb_channels(mus_any *ptr);
536 
537 MUS_EXPORT mus_any *mus_make_src(mus_float_t (*input)(void *arg, int direction), mus_float_t srate, int width, void *closure);
538 MUS_EXPORT mus_any *mus_make_src_with_init(mus_float_t (*input)(void *arg, int direction), mus_float_t srate, int width, void *closure, void (*init)(void *p, mus_any *g));
539 MUS_EXPORT mus_float_t mus_src(mus_any *srptr, mus_float_t sr_change, mus_float_t (*input)(void *arg, int direction));
540 MUS_EXPORT bool mus_is_src(mus_any *ptr);
541 MUS_EXPORT mus_float_t *mus_src_20(mus_any *srptr, mus_float_t *in_data, mus_long_t dur);
542 MUS_EXPORT mus_float_t *mus_src_05(mus_any *srptr, mus_float_t *in_data, mus_long_t dur);
543 MUS_EXPORT void mus_src_to_buffer(mus_any *srptr, mus_float_t (*input)(void *arg, int direction), mus_float_t *out_data, mus_long_t dur);
544 MUS_EXPORT void mus_src_init(mus_any *ptr);
545 
546 MUS_EXPORT bool mus_is_convolve(mus_any *ptr);
547 MUS_EXPORT mus_float_t mus_convolve(mus_any *ptr, mus_float_t (*input)(void *arg, int direction));
548 MUS_EXPORT mus_any *mus_make_convolve(mus_float_t (*input)(void *arg, int direction), mus_float_t *filter, mus_long_t fftsize, mus_long_t filtersize, void *closure);
549 
550 MUS_EXPORT mus_float_t *mus_spectrum(mus_float_t *rdat, mus_float_t *idat, mus_float_t *window, mus_long_t n, mus_spectrum_t type);
551 MUS_EXPORT void mus_fft(mus_float_t *rl, mus_float_t *im, mus_long_t n, int is);
552 MUS_EXPORT mus_float_t *mus_make_fft_window(mus_fft_window_t type, mus_long_t size, mus_float_t beta);
553 MUS_EXPORT mus_float_t *mus_make_fft_window_with_window(mus_fft_window_t type, mus_long_t size, mus_float_t beta, mus_float_t mu, mus_float_t *window);
554 MUS_EXPORT const char *mus_fft_window_name(mus_fft_window_t win);
555 MUS_EXPORT const char **mus_fft_window_names(void);
556 
557 MUS_EXPORT mus_float_t *mus_autocorrelate(mus_float_t *data, mus_long_t n);
558 MUS_EXPORT mus_float_t *mus_correlate(mus_float_t *data1, mus_float_t *data2, mus_long_t n);
559 MUS_EXPORT mus_float_t *mus_convolution(mus_float_t *rl1, mus_float_t *rl2, mus_long_t n);
560 MUS_EXPORT void mus_convolve_files(const char *file1, const char *file2, mus_float_t maxamp, const char *output_file);
561 MUS_EXPORT mus_float_t *mus_cepstrum(mus_float_t *data, mus_long_t n);
562 
563 MUS_EXPORT bool mus_is_granulate(mus_any *ptr);
564 MUS_EXPORT mus_float_t mus_granulate(mus_any *ptr, mus_float_t (*input)(void *arg, int direction));
565 MUS_EXPORT mus_float_t mus_granulate_with_editor(mus_any *ptr, mus_float_t (*input)(void *arg, int direction), int (*edit)(void *closure));
566 MUS_EXPORT mus_any *mus_make_granulate(mus_float_t (*input)(void *arg, int direction),
567 				       mus_float_t expansion, mus_float_t length, mus_float_t scaler,
568 				       mus_float_t hop, mus_float_t ramp, mus_float_t jitter, int max_size,
569 				       int (*edit)(void *closure),
570 				       void *closure);
571 MUS_EXPORT int mus_granulate_grain_max_length(mus_any *ptr);
572 MUS_EXPORT void mus_granulate_set_edit_function(mus_any *ptr, int (*edit)(void *closure));
573 
574 MUS_EXPORT mus_long_t mus_set_file_buffer_size(mus_long_t size);
575 MUS_EXPORT mus_long_t mus_file_buffer_size(void);
576 
577 MUS_EXPORT mus_float_t mus_apply(mus_any *gen, mus_float_t f1, mus_float_t f2);
578 
579 MUS_EXPORT bool mus_is_phase_vocoder(mus_any *ptr);
580 MUS_EXPORT mus_any *mus_make_phase_vocoder(mus_float_t (*input)(void *arg, int direction),
581 					   int fftsize, int overlap, int interp,
582 					   mus_float_t pitch,
583 					   bool (*analyze)(void *arg, mus_float_t (*input)(void *arg1, int direction)),
584 					   int (*edit)(void *arg), /* return value is ignored (int return type is intended to be consistent with granulate) */
585 					   mus_float_t (*synthesize)(void *arg),
586 					   void *closure);
587 MUS_EXPORT mus_float_t mus_phase_vocoder(mus_any *ptr, mus_float_t (*input)(void *arg, int direction));
588 MUS_EXPORT mus_float_t mus_phase_vocoder_with_editors(mus_any *ptr,
589 						mus_float_t (*input)(void *arg, int direction),
590 						bool (*analyze)(void *arg, mus_float_t (*input)(void *arg1, int direction)),
591 						int (*edit)(void *arg),
592 						mus_float_t (*synthesize)(void *arg));
593 
594 MUS_EXPORT mus_float_t *mus_phase_vocoder_amp_increments(mus_any *ptr);
595 MUS_EXPORT mus_float_t *mus_phase_vocoder_amps(mus_any *ptr);
596 MUS_EXPORT mus_float_t *mus_phase_vocoder_freqs(mus_any *ptr);
597 MUS_EXPORT mus_float_t *mus_phase_vocoder_phases(mus_any *ptr);
598 MUS_EXPORT mus_float_t *mus_phase_vocoder_phase_increments(mus_any *ptr);
599 
600 
601 MUS_EXPORT mus_any *mus_make_ssb_am(mus_float_t freq, int order);
602 MUS_EXPORT bool mus_is_ssb_am(mus_any *ptr);
603 MUS_EXPORT mus_float_t mus_ssb_am_unmodulated(mus_any *ptr, mus_float_t insig);
604 MUS_EXPORT mus_float_t mus_ssb_am(mus_any *ptr, mus_float_t insig, mus_float_t fm);
605 
606 MUS_EXPORT void mus_clear_sinc_tables(void);
607 MUS_EXPORT void *mus_environ(mus_any *gen);
608 MUS_EXPORT void *mus_set_environ(mus_any *gen, void *e);
609 MUS_EXPORT mus_any *mus_bank_generator(mus_any *g, int i);
610 #ifdef __cplusplus
611 }
612 #endif
613 
614 #endif
615 
616 
617 /* Change log.
618  *
619  * 17-Nov:     changed rand seed unsigned long to uint64_t.
620  * 15-Jul-18:  granulate method to set jitter (K Matheussen).
621  * --------
622  * 22-Sep:     removed clm_default_frequency.
623  * 3-Aug:      mus_long_t is now int64_t.
624  * 18-Jul:     mus_<method>_exists.
625  * 13-Jul:     mus_run1_function.
626  * 11-Jul-17:  removed *clm-default-frequency*.
627  * --------
628  * 5-Aug:      removed some now-obsolete mus_locsig functions.
629  * 5-Jul:      added stable arg to mus_make_oscil_bank.
630  * 15-Feb:     removed mus_set_name, changed mus_free to void.
631  * 31-Jan-15:  removed mus_multiply_arrays.
632  * --------
633  * 8-Nov:      mus_copy, mus_bank_generator.
634  * 24-Oct:     mus_generator_set_feeders.
635  * 10-Aug:     data-format -> sample-type.
636  * 17-Apr:     moving_norm generator.
637  * 14-Apr:     mus_frame and mus_mixer removed, "frame" replaced by "frample" in IO functions.
638  * 11-Apr:     mus_even|odd_weight|multiple.
639  * 9-Apr:      deprecate mus_is_delay_line.
640  * 2-Apr:      mus_make_moving_average_with_sum.
641  * 19-Mar:     deprecate mus_make_env_with_length.
642  * 17-Feb-14:  mus_*_p -> mus_is_*.
643  * --------
644  * 7-Dec:      mus_set_formant_frequency, mus_src_20 and mus_src_05 changed.  Removed mus_in_any_from_file.
645  * 29-Nov:     mus_make_polywave_tu.
646  * 11-Oct:     mus_vector_to_file, mus_vector_mix.
647  * 19-Apr:     rxyk!cos and rxyk!sin from generators.scm.
648  * 11-Apr:     mus_tap_p as a better name for mus_delay_line_p.
649  * 27-Mar:     comb-bank, all-pass-bank, filtered-comb-bank, pulsed-env, oscil-bank.
650  * 21-Mar:     one-pole-all-pass generator.
651  * 14-Mar:     formant-bank generator.
652  *             removed mus_delay_tick_noz.
653  * 4-Mar:      moving_max generator.
654  *             removed the unstable filter check in make_two_pole.
655  * 21-Jan-13:  changed mus_formant_bank parameters.
656  * --------
657  * 22-Dec:     removed all the safety settings.
658  * 15-Nov:     removed mus_env_t, mus_env_type, and other recently deprecated stuff.
659  * 15-Jul:     more changes for clm2xen.
660  * 4-July-12:  moved various struct definitions to clm.c
661  *             added accessors for mus_any_class etc.
662  * --------
663  * 1-Sep:      mus_type.
664  * 20-Aug:     changed type of mus_locsig to void, added mus_locsig_function_reset.
665  *             removed function-as-output-location from locsig et al.
666  * 14-Jul-11:  removed pthread stuff.
667  * --------
668  * 7-Mar-10:   protect in-any and out-any from sample numbers less than 0.
669  * --------
670  * 14-Oct:     sine-summation, sum-of-sines, sum-of-cosines removed.
671  * 28-Aug:     changed some fft-related sizes from int to mus_long_t.
672  * 17-Aug:     mus_frame|mixer_copy|fill.
673  * 27-Jul:     mus_float_t for Float, and mus_long_t for off_t.
674  * 15-Jun:     mus_rectangular_to_magnitudes (polar, but ignore phases).
675  * 11-Jun:     mus_cepstrum.
676  * 11-May:     MUS_ENV_LINEAR and friends, also mus_env_linear|exponential.
677  *             mus_frame_to_frame_mono|stereo.
678  * 12-Mar:     sinc, papoulis and dpss (slepian windows).
679  * 1-Jan-09:   added MUS_EXPORT.
680  * --------
681  * 11-Dec:     deprecated the sine-summation, sum-of-cosines, and sum-of-sines generators.
682  * 30-Oct:     mus_sample_to_file_add.
683  *             mus_describe once again allocates a fresh output string.
684  *             finally removed sine-bank.
685  * 9-Oct:      various thread-related internal changes.
686  * 14-Jul:     mus_data_format_zero.
687  * 12-Jul:     mus_interp_type_p and mus_fft_window_p for C++'s benefit.
688  * 1-July:     mus-safety and various ints changed to mus_long_t.
689  * 20-Jun:     support for pthreads.
690  * 16-Jun:     changed init_mus_module to mus_initialize.
691  * 30-May:     changed polyshape to use cos and added cheby_choice arg to mus_make_polyshape.
692  * 27-May:     mus_waveshape retired -- generators.scm has a wrapper for it.
693  *             clm_free, clm_realloc etc for rt work.
694  *             mus_chebyshev_tu_sum.
695  * 25-May:     mus_polywave algorithm changed.
696  * 17-May:     mus_normalize_partials.
697  * 12-Apr:     added choice arg to mus_make_polywave.
698  * 8-Apr:      polywave uses sine-bank if highest harmonic out of Chebyshev range.
699  * 1-Mar:      mus_set_name.
700  * 26-Feb:     removed mus_cosines (use mus_length)
701  * 24-Feb:     removed mus_make_env_with_start, added mus_make_env_with_length
702  * 20-Feb:     clm 4:
703  *             polywave for polyshape and waveshape.
704  *             mus_formant_with_frequency.
705  *             firmant generator.
706  *             removed mus_formant_radius and mus_set_formant_radius.
707  *             removed "gain" arg from mus_make_formant.
708  *             reversed the order of the arguments to mus_make_formant.
709  *             fixed long-standing bug in gain calculation in mus_formant.
710  *             mus_env_any for arbitrary connecting functions.
711  * 15-Feb:     nrxysin and nrxycos for sine-summation.
712  * 12-Feb:     nsin for sum_of_sines, ncos for sum_of_cosines.
713  * 4-Feb:      clm_default_frequency (clm2xen) and *clm-default-frequency* (ws.scm).
714  * 7-Jan-08:   :dur replaced by :length in make-env.
715  * --------
716  * 19-Oct:     all *_0 *_1 *_2 names now use _fm|_pm|_unmodulated|_no_input.
717  * 17-Oct:     replace some method macros with functions (def-clm-struct local methods need true names).
718  * 15-Oct:     mus_oscil_1 -> _fm, _2->_pm.
719  *             mus_phase_vocoder_outctr accessors changed to use mus_location.
720  * 11-Oct:     changed default srate to 44100.
721  * 5-Oct:      mus_oscil_2.
722  * 6-Sep:      changed asymmetric-fm to use cos(sin) and added amplitude normalization.
723  * 6-Aug:      mus_autocorrelate, mus_correlate.
724  * 3-Aug:      blackman5..10 and Rife-Vincent (RV2..4 fft), mlt-sine windows.
725  * 16-July:    removed start arg from mus_make_env (see mus_make_env_with_start).
726  * 5-July:     changed some mus_float_ts to doubles in env funcs.
727  *               exp envs now use repeated multiplies rather than direct exp call.
728  * 19-June:    mus-increment on gens with a notion of frequency (phase increment);
729  *               to make room for this, asymmetric-fm ratio and sine-summation b moved to mus-offset.
730  * 22-Feb:     mus_big_fft and mus_spectrum_t.
731  * 21-Feb:     mus_fft_window_name.
732  * 14-Feb-07:  three more fft window choices.
733  * --------
734  * 27-Nov:     move-sound array access parallel to locsig.
735  * 22-Nov:     had to add non-backwards-compatible reverb chans arg to mus_make_locsig.
736  * 21-Nov:     mus_float_equal_fudge_factor, mus_arrays_are_equal.
737  * 30-July:    renamed average to moving_average.
738  * 28-July:    renamed make_ppolar and make_zpolar to make_two_pole|zero_from_radius_and_frequency.
739  *             added mus_scaler and mus_frequency methods for two_pole and two_zero.
740  * 21-July:    removed mus_wrapper field -- old way can't work since we need the original Xen object.
741  * 3-July:     mus_move_sound (dlocsig) generator.
742  *             changed return type of mus_locsig to float.
743  * 28-June:    mus_filtered_comb generator.
744  * 8-May:      mus_apply now takes 3 args: gen, two doubles (rather than bug-prone varargs).
745  * 1-Mar-06:   granulate now has a local random number seed (settable via the mus-location method).
746  * --------
747  * 20-Dec:     samaraki and ultraspherical windows.
748  *               this required a non-backwards-compatible additional argument in mus_make_fft_window_with_window.
749  * 1-Nov:      mus_filter_set_x|ycoeffs, mus_filter_set_order (needed by Snd).
750  * 1-May:      mus-scaler|feedback ok with delay and average.
751  * 18-Apr:     mus_set_environ.
752  * 11-Apr:     mus_mixer|frame_offset, mus_frame_scale (for higher level generic functions).
753  * 23-Mar:     frame_to_frame arg interpretation changed.
754  * 21-Mar:     mus_make_readin|file_to_sample|file_to_frame_with_buffer_size.
755  * 16-Mar:     polyshape generator (waveshaper as polynomial + oscil)
756  *             mus_chebyshev_first|second_kind.
757  *             mus_partials_to_waveshape no longer normalizes the partials.
758  * 18-Feb:     mus_interpolate.
759  * 14-Feb:     deprecated mus_restart_env and mus_clear_filter_state.
760  * 7-Feb-05:   mus_reset method, replaces mus_restart_env and mus_clear_filter_state.
761  * --------
762  * 20-Dec:     changed "jitter" handling if hop < .05 in granulate.
763  * 15-Dec:     mus_generator? for type checks (clm2xen).
764  * 11-Sep:     removed buffer generator.
765  * 6-Sep:      removed mus_oscil_bank, mus_bank.
766  * 24-Aug:     removed mus_inspect method -- overlaps mus_describe and is useless given gdb capabilities.
767  * 27-July:    mus_granulate_with_editor and mus_phase_vocoder_with_editors.
768  * 21-July:    edit-func as run-time arg to granulate (for CL/clm compatibility)
769  * 19-July:    clm 3:
770  *             deprecated mus_ina|b, mus-outa|b|c|d.
771  *             mus_make_frame_to_file_with_comment, mus_mixer_scale, mus_make_frame|mixer_with_data.
772  *             mus_make_scalar_mixer, mus_mixer_add, mus_continue_frame_to_file.
773  *             changed pv_* to phase_vocoder_*
774  * 28-June:    ssb_am + added fm arg (ssb_am_1 is the previous form).
775  * 21-June:    wrapper method.
776  * 14-June:    ssb_am generator.
777  *             deprecated mus-a*|b*, replaced by mus-x|ycoeff.
778  * 9-June:     mus_edot_product.
779  * 7-June:     removed mus-x*|y* generic functions.
780  * 24-May:     distribution arg to make-rand, make-rand-interp.
781  * 11-May:     type arg to mus_make_table_lookup|wave_train, MUS_INTERP_NONE, MUS_INTERP_HERMITE.
782  *             mus-interp-type.
783  * 10-May:     changed MUS_LINEAR and MUS_SINUSOIDAL to MUS_INTERP_LINEAR and MUS_INTERP_SINUSOIDAL.
784  *             mus-linear renamed mus-interp-linear, mus-sinusoidal renamed mus-interp-sinusoidal.
785  *             added type arg to mus_make_delay|all_pass|comb|notch.
786  *             added mus_delay_tick, all-pass delay line interpolation.
787  * 3-May:      envelope arg to make-rand and make-rand-interp to give any arbitrary random number distribution.
788  *             added mus_make_rand_with_distribution and mus_make_rand_interp_with_distribution.
789  *             rand/rand-interp mus-data returns distribution (weight) function, mus-length its length.
790  *             locsig mus-data returns output scalers, mus-xcoeffs returns reverb scalers
791  * 26-Apr:     mus_sum_of_sines changed to mus_sine_bank.
792  *             new mus_sum_of_sines parallels mus_sum_of_cosines.
793  *             deprecated mus_sin.
794  * 14-Apr:     changed "2" to "_to_" in several function names.
795  * 12-Apr:     mus_average, mus_average_p, mus_make_average.
796  * 17-Mar:     edit function added to mus_granulate.
797  *             replaced MUS_DATA_POSITION with MUS_DATA_WRAPPER.
798  * 22-Jan:     various "environ" variables renamed for Windows' benefit.
799  * 5-Jan-04:   env_interp bugfix.
800  * --------
801  * 29-Sep:     removed length arg from spectrum in clm2xen.
802  * 24-Aug:     changed mus_length|ramp|hop type to mus_long_t.
803  * 21-Aug:     export MUS_INPUT and friends (needed for specialized INA handlers).
804  * 11-Aug:     int -> bool.
805  * 7-Aug:      removed mus_type.
806  * 20-July:    more run methods.
807  * 15-July:    linear->dB check for 0.0 arg.
808  * 27-June:    mus_samples_to_seconds and mus_seconds_to_samples.
809  * 9-June:     mus_mix_with_reader_and_writer.
810  * 27-May:     bugfix: interpolating all-pass ("zall-pass") had an extra delay.
811  * 25-Apr:     mus_spectrum and mus_convolution now return mus_float_t*.
812  * 9-Apr:      removed MUS_HANNING_WINDOW (use MUS_HANN_WINDOW).
813  * 3-Mar:      mus_delay_line_p for tap error checking.
814  * 27-Feb:     mus_length for env -> original duration in samples.
815  * 21-Feb:     mus_set_cosines added, mus_cosines moved to hop slot.
816  *             mus_[set_]x1/x2/y1/y2.
817  * 10-Feb:     mus_file_name moved into the mus_input|output structs.
818  *             folded mus_input|output into mus_any.
819  *             moved mus_frame|mixer declarations into clm.c.
820  *             all mus_input|output|frame|mixer pointers->mus_any.
821  *             all method void pointers->mus_any.
822  * 7-Feb:      split strings out of clm2xen.c into clm-strings.h.
823  * 3-Feb:      mus_offset for envs, mus_width for square_wave et al.
824  *             new core class fields(10) for various methods.
825  * 7-Jan-03:   mus_src with very large sr_change segfault bugfix.
826  * --------
827  * 17-Dec:     mus_env_offset|initial_power for Snd exp env optimizations.
828  * 13-Sep:     mus_frandom and mus_irandom(for Snd optimizer).
829  * 19-Aug:     changed internal phase-vocoder array accessor names
830  * 13-Aug:     set!(*-ref) for frame, locsig, mixer, locsig-reverb.
831  * 29-Jul:     various *_1 cases for the optimizer.
832  * 15-Jul:     mus_continue_sample2file.
833  * 10-Jul:     mus_file_name.
834  * 7-Jun:      fftw support added.
835  * 31-May:     changed mus_any_class.
836  * 3-May:      many int->mus_long_t changes for large files.
837  * 8-Apr:      off-by-1 env bug(Lisp/C are now identical), env_interp of exp env beyond end bugfix.
838  * 1-Apr:      sine-summation n=0 bugfix.
839  * 27-Mar:     negative degree locsig bugfix.
840  * 18-Mar:     mus_move_locsig.
841  * 15-Mar:     n-chan locsig(and reverb scalers), 'type' arg to mus_make_locsig.
842  * 6-Mar:      mus_scaler in asymmetric-fm now refers to the "r" parameter, "a" in sine-summation.
843  * 5-Mar:      dumb typo in asymmetric-fm generator fixed.
844  * 19-Feb:     buffer reallocation redundant free bugfix.
845  * 25-Jan-02:  mus_increment of env returns base.
846  * --------
847  * 10-Dec:     add outctr calls, phase-vocoder bugfixes, thanks to Scott Wilson.
848  * 21-Oct:     fill in some set-data methods.
849  * 1-Sep:      mus_polar2rectangular.
850  * 6-July:     scm -> xen.
851  * 26-May:     mus_rand_seed.
852  * 22-May:     locsig reverb distance calc was upside down.
853  * 18-May:     mus_describe and mus_inspect returned string should not be freed any more.
854  * 7-May:      filled in some leftover equal_p methods.
855  * 1-Apr:      mus_make_file2sample_with_comment and mus_length for file->sample/sample->file.
856  *             mus_file_buffer_size.
857  * 26-Mar:     extended_type field added to mus_any_class for more robust type checking.
858  * 16-Mar:     mus_phase of env -> current_value.
859  * 28-Feb:     added mus_position(currently only for envs).
860  * 8-Feb:      clm2scm.h.
861  * 24-Jan:     mus-bank in clm2scm.
862  * 5-Jan:      clm2scm gens are applicable.
863  * 4-Jan:      mus_bank.
864  * 2-Jan-01:   mus_run method.
865  * --------
866  * 28-Dec:     mus_clear_filter_state and other minor tweaks for Snd.
867  * 28-Nov:     Dolph-Chebyshev window(under HAVE_GSL flag -- needs complex trig support).
868  * 8-Nov:      mus_clear_sinc_tables.
869  * 12-Oct:     mus_formant_bank takes one input(can't remember why I had an array here)
870  * 27-Sep:     mus_array_interp bugfix(imitates mus.lisp now).
871  * 18-Sep:     clm now assumes it's used as a part of sndlib.
872  * 11-Sep:     generalized set! to generic functions in clm2scm.c.
873  * 31-Aug:     changed formant field setters(thanks to Anders Vinjar).
874  * 10-Aug:     removed built-in setf support(clm2scm.c).
875  * 31-Jul:     mus_granulate tries to protect against illegal length and ramp values.
876  * 24-Jul:     mus_make_fir_coeffs.
877  * 20-Jul:     sum_of_sines, atan2 to rectangular->polar, phase_vocoder gen.
878  * 22-June:    made mus_bessi0 local again.
879  * 1-June:     bugfixes for linuxppc 2000.
880  * 19-May:     mus_apply.
881  * 8-May:      added "const" and XEN_PROCEDURE_CAST(for c++), made mus_bessi0 global.
882  * 24-Apr:     changed formant radius to match lisp version(it's now 1-old_radius)
883  * 20-Apr:     mus_convolve_files
884  * 7-Apr:      src width bug fixed
885  * 31-Mar:     finally implemented set-location for envs.
886  * 14-Feb:     buffer-full?.
887  * 1-Feb:      removed mus_phasepartials2waveshape.
888  * 3-Jan-00:   format and type args added to make_sample2file,
889  *             mus_file_close.
890  *             removed make_file_input and make_file_output.
891  * --------
892  * 29-Dec:     various bugfixes especially in envelope handlers.
893  * 19-Nov:     mus_oscil_bank and mus_formant_bank.
894  * 5-Nov:      mus_sin exported.
895  * 4-Oct:(scm) make-env arg order changed to reflect mus.lisp.
896  * 29-Sep:     implemented mus-increment and mus-frequency for granulate(as in mus.lisp).
897  *             clm's fft renamed mus-fft to avoid collision with snd's version.
898  *             added max_size arg to make_granulate(to reflect mus.lisp).
899  * 25-Sep-99:  added width arg to make_src -- forgot this somehow in first pass.
900  *             decided to make mus_inspect return char* like mus_describe.
901  */
902