wav.c

   1 /*
   2
   3     Ann Hell Ex Machina - Music Software
   4     Copyright (C) 2003/2005 Angel Ortega <angel@triptico.com>
   5
   6     wav.c - Code for testing the libraries
   7
   8     This program is free software; you can redistribute it and/or
   9     modify it under the terms of the GNU General Public License
  10     as published by the Free Software Foundation; either version 2
  11     of the License, or (at your option) any later version.
  12
  13     This program is distributed in the hope that it will be useful,
  14     but WITHOUT ANY WARRANTY; without even the implied warranty of
  15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16     GNU General Public License for more details.
  17
  18     You should have received a copy of the GNU General Public License
  19     along with this program; if not, write to the Free Software
  20     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21
  22     http://www.triptico.com
  23
  24 */
  25
  26 #include "config.h"
  27
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <stdlib.h>
  31 #include <math.h>
  32
  33 #include "annhell.h"
  34
  35 /*******************
  36         Data
  37 ********************/
  38
  39 /* defined in compiler.y */
  40 int compile(char * code);
  41 int compile_file(char * file);
  42
  43 /*******************
  44         Code
  45 ********************/
  46
  47 int main(int argc, char * argv[])
  48 {
  49         char * ahs_file="examples/example2.ahs";
  50
  51 #if 0
  52         float * wave[CHANNELS];
  53         float output[CHANNELS];
  54         float vol[CHANNELS];
  55         int s_rate;
  56         double size;
  57         int n_channels;
  58         FILE * f;
  59         int n, m;
  60         struct effect e[16];
  61         struct ss_ins i[16];
  62         int goon;
  63         int frame;
  64         struct ss_wave w;
  65         union event1 e1;
  66         union event2 * e2;
  67 #endif
  68 #if 0
  69
  70         event1_clear();
  71
  72         e1.note.type=EV1_NOTE;
  73         e1.note.time=0;
  74         e1.note.trk_id=1;
  75         e1.note.note=60;
  76         e1.note.len=1.0;
  77         e1.note.vol=1.0;
  78
  79         new_event1(&e1);
  80
  81         e1.note.note=63;
  82         new_event1(&e1);
  83
  84         e1.note.note=67;
  85         new_event1(&e1);
  86
  87         e1.note.type=EV1_NOTE;
  88         e1.note.time=1.0;
  89         e1.note.note=60;
  90
  91         new_event1(&e1);
  92
  93         e1.note.note=65;
  94         new_event1(&e1);
  95
  96         e1.note.note=68;
  97         new_event1(&e1);
  98
  99         e1.note.type=EV1_NOTE;
 100         e1.note.time=2.0;
 101         e1.note.note=60;
 102
 103         new_event1(&e1);
 104
 105         e1.note.note=63;
 106         new_event1(&e1);
 107
 108         e1.note.note=67;
 109         new_event1(&e1);
 110
 111         e1.note.type=EV1_NOTE;
 112         e1.note.time=3.0;
 113         e1.note.note=60;
 114
 115         new_event1(&e1);
 116
 117         e1.note.note=65;
 118         new_event1(&e1);
 119
 120         e1.note.note=68;
 121         new_event1(&e1);
 122
 123         e1.tempo.type=EV1_TEMPO;
 124         e1.tempo.time=0;
 125         e1.tempo.trk_id=-1;
 126         e1.tempo.tempo=60.0;
 127
 128         new_event1(&e1);
 129
 130         e1.tempo.time=2;
 131         e1.tempo.tempo=120.0;
 132         new_event1(&e1);
 133
 134         e1.meter.type=EV1_METER;
 135         e1.meter.time=0;
 136         e1.meter.trk_id=-1;
 137         e1.meter.num=4;
 138         e1.meter.den=4;
 139
 140         new_event1(&e1);
 141 #endif
 142 /*
 143         {
 144                 char * ptr=preprocess("%examples/example1.ahml");
 145                 printf("%s\n",ptr);
 146                 compile("x16-2~0.8,8-4~0.6 c8d#''4/3*6~0.5 x o2e4~0.8o++f");
 147         }
 148 */
 149         ss_interpolation=3;
 150         ss_frequency=44100;
 151         ss_master_volume=0.5;
 152         ss_nchannels=4;
 153 #if 0
 154         ss_ins_init(&i[1], 1);
 155         load_pat_file(&i[1], "samples/acpiano.pat");
 156         ss_ins_init(&i[2], 2);
 157 /*      load_pat_file(&i[2], "samples/synstr1.pat"); */
 158         load_pat_file(&i[2], "samples/flute.pat");
 159
 160 /*      n_channels=load_wav_file("samples/as-al017.wav", &size, wave); */
 161 /*      n_channels=load_wav_file("samples/amen1.wav", &size, &s_rate, wave);
 162         printf("n_channels: %d\n", n_channels); */
 163
 164         load_wav_file(&w, "samples/amen1.wav");
 165
 166         printf("tempo: %lf\n", tempo_from_wave(&w, 60, 1));
 167
 168         ss_ins_init(&i[0], 0);
 169 /*      ss_ins_add_layer(&i[0],
 170                 note_frequency(36), note_frequency(0), note_frequency(127),
 171                 n_channels, wave, size, s_rate, 0, size); */
 172         ss_ins_add_layer(&i[0], &w);
 173 #endif
 174
 175 /*
 176         f=popen("sox -V -t raw -s -r 44100 -c 2 -w - qq.wav","w");
 177 */
 178
 179         if(ss_output_open("default", NULL) < 0)
 180         {
 181                 printf("Error: can't init driver\n");
 182                 return(1);
 183         }
 184
 185         /* 'reverb' with 3 allpass */
 186         /*
 187         init_delay(&e, (int)TIME2SAMPLES(20.0 / 1000.0), 0.9, 0, 0, 0, 0);
 188         init_delay(&e2, (int)TIME2SAMPLES(36.0 / 1000.0), 0.9, 0, 0, 0, 0);
 189         init_delay(&e3, (int)TIME2SAMPLES(39.0 / 1000.0), 0.9, 0, 0, 0, 0);
 190         */
 191
 192 /*      init_delay(&e, 44100, 0.9, 150, 0.1, 3.14 / 2, 0); */
 193
 194         /* wobble */
 195         /*
 196         init_delay(&e4, 1, 1, 1, 4, 3.14 / 2, 0);
 197         */
 198 #if 0
 199         /* wobble */
 200         effect_wobble(&e[0], 0.5, 0);
 201         effect_wobble(&e[1], 0.5, 0.25);
 202
 203         /* delay */
 204         effect_delay(&e[2], 300);
 205
 206         /* allpasses in serial (reverb) */
 207         effect_allpass(&e[3], (int)TIME2SAMPLES(20.0 / 1000.0), 0.9);
 208         effect_allpass(&e[4], (int)TIME2SAMPLES(36.0 / 1000.0), 0.9);
 209         effect_allpass(&e[5], (int)TIME2SAMPLES(39.0 / 1000.0), 0.9);
 210
 211         effect_allpass(&e[6], (int)TIME2SAMPLES(20.0 / 1000.0), 0.9);
 212         effect_allpass(&e[7], (int)TIME2SAMPLES(36.0 / 1000.0), 0.9);
 213         effect_allpass(&e[8], (int)TIME2SAMPLES(39.0 / 1000.0), 0.9);
 214
 215         /* flanger */
 216         effect_flanger(&e[9], 44100, 0.9, 150, 0.1, 0.25);
 217         effect_flanger(&e[10], 44100, 0.9, 150, 0.1, 0);
 218
 219         /* fader */
 220         effect_fader(&e[11], 44100 * 6, 0, 1);
 221 #endif
 222 #if 0
 223         /* events */
 224         event_clear();
 225
 226         vol[0]=1.0; vol[1]=1.0; vol[2]=0.0; vol[3]=0.0;
 227         ss_ins_set_channel_map(&i[0], 4, vol);
 228
 229         /* drum loop */
 230         event_note_on(0, 0, 36, 1);
 231         event_note_off(441000, 0, 36);
 232
 233         /* piano */
 234         vol[0]=0.0; vol[1]=0.0; vol[2]=1.0; vol[3]=1.0;
 235         ss_ins_set_channel_map(&i[1], 4, vol);
 236
 237         event_note_on(44100, 1, 64, 1);
 238         event_note_on(44100, 1, 67, 1);
 239         event_note_on(44100, 1, 71, 1);
 240
 241         event_note_off(44100 * 3, 1, 64);
 242         event_note_off(44100 * 3, 1, 67);
 243         event_note_off(44100 * 3, 1, 71);
 244
 245         event_note_on(44100 * 3, 1, 64, 1);
 246         event_note_on(44100 * 3, 1, 66, 1);
 247         event_note_on(44100 * 3, 1, 71, 1);
 248
 249         event_note_off(44100 * 6, 1, 64);
 250         event_note_off(44100 * 6, 1, 66);
 251         event_note_off(44100 * 6, 1, 71);
 252
 253         event_note_on(44100, 1, 28, 1);
 254         event_note_off(44100 * 9, 1, 28);
 255
 256         event_sort();
 257 #endif
 258
 259 #if 0
 260 /*      compile("T81.67 o5c1*10 \\ z1s0.5 t-1 x4~0.6,2~0.3,2.~0.2 <c;e&;g><c;e&;g#>|<c;f;g#><d;f;g> s0.8z8 c'gb&c'b&gfg| \\ t-1 o6s1 c1*3.5 b,2 c1*4 "); */
 261         if(compile("{ pat 'samples/acpiano.pat' echo 0 1s 0.5\n/* broken\ncomment */ echo 1 1.5s 0.3 }\n z1 v1 <c;e&;g>|<c;e&;g#>|<c;f;g#>|<d;f;g>\n\\\n{ wav 'samples/amen1.wav' c5 c0 g10\nflanger 0 1s 0.9 3ms 0.1 0.5 flanger 1 1s 0.9 3ms 0.1 0 }\no5 c1*4"))
 262         {
 263                 exit(0);
 264         }
 265 #endif
 266
 267         if(argc > 1)
 268                 ahs_file=argv[1];
 269
 270         if(compile_file(ahs_file))
 271         {
 272                 exit(0);
 273         }
 274
 275 /*      event1_to_event2();*/
 276 /*      generate_ss_song();*/
 277
 278         ss_song_render();
 279 /*      midi_song_play();*/
 280 #if 0
 281         e2=_events_2;
 282
 283         for(frame=0,goon=1;goon;frame++)
 284         {
 285                 if(e2->generic.type == EV2_END)
 286                         break;
 287
 288                 while(e2->generic.frame == frame)
 289                 {
 290                         if(e2->generic.type == EV2_NOTE_ON)
 291                                 ss_ins_note_on(&i[e2->note_on.trk_id],
 292                                         e2->note_on.note,
 293                                         e2->note_on.vol,
 294                                         e2->note_on.note_id);
 295                         else
 296                         if(e2->generic.type == EV2_NOTE_OFF)
 297                                 ss_ins_note_off(&i[e2->note_off.trk_id],
 298                                         e2->note_off.note_id);
 299                         else
 300                         if(e2->generic.type == EV2_END)
 301                                 goon=0;
 302
 303                         e2++;
 304                 }
 305
 306                 ss_output_init_frame(output);
 307
 308                 ss_ins_frame(&i[0], output);
 309                 ss_ins_frame(&i[1], output);
 310                 ss_ins_frame(&i[2], output);
 311
 312 #if 0
 313                 if(n < TIME2SAMPLES(13))
 314                 {
 315                         output[0]=process_effect(&e[0], output[0]);
 316                         output[1]=process_effect(&e[1], output[1]);
 317
 318 /*                      output[1]=process_effect(&e[2], output[1]); */
 319
 320 /*                      output[0]=process_effect(&e[3], output[0]);
 321                         output[0]=process_effect(&e[4], output[0]);
 322                         output[0]=process_effect(&e[5], output[0]);
 323
 324                         output[1]=process_effect(&e[6], output[1]);
 325                         output[1]=process_effect(&e[7], output[1]);
 326                         output[1]=process_effect(&e[8], output[1]); */
 327
 328 /*                      output[0]=process_effect(&e[9], output[0]);
 329                         output[1]=process_effect(&e[10], output[1]); */
 330
 331 /*                      output[0]=process_effect(&e[11], output[0]);
 332                         output[1]=process_effect(&e[11], output[1]); */
 333                 }
 334 #endif
 335
 336                 ss_output_write(output);
 337
 338 /*              if(n < TIME2SAMPLES(14))
 339                         generator_release(&_generators[1]); */
 340         }
 341 #endif
 342         ss_output_close();
 343
 344         printf("clipped: %d optimal volume: %f\n",
 345                 ss_output_clipped, ss_optimal_volume);
 346
 347         return(0);
 348 }