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 /*******************
  40         Code
  41 ********************/
  42
  43 int main(int argc, char * argv[])
  44 {
  45         char * ahs_file="examples/example2.ahs";
  46
  47         add_to_library_path("/home/angel/annhell/");
  48
  49 #if 0
  50         float * wave[CHANNELS];
  51         float output[CHANNELS];
  52         float vol[CHANNELS];
  53         int s_rate;
  54         double size;
  55         int n_channels;
  56         FILE * f;
  57         int n, m;
  58         struct effect e[16];
  59         struct ss_ins i[16];
  60         int goon;
  61         int frame;
  62         struct ss_wave w;
  63         union event1 e1;
  64         union event2 * e2;
  65 #endif
  66 #if 0
  67
  68         event1_clear();
  69
  70         e1.note.type=EV1_NOTE;
  71         e1.note.time=0;
  72         e1.note.trk_id=1;
  73         e1.note.note=60;
  74         e1.note.len=1.0;
  75         e1.note.vol=1.0;
  76
  77         new_event1(&e1);
  78
  79         e1.note.note=63;
  80         new_event1(&e1);
  81
  82         e1.note.note=67;
  83         new_event1(&e1);
  84
  85         e1.note.type=EV1_NOTE;
  86         e1.note.time=1.0;
  87         e1.note.note=60;
  88
  89         new_event1(&e1);
  90
  91         e1.note.note=65;
  92         new_event1(&e1);
  93
  94         e1.note.note=68;
  95         new_event1(&e1);
  96
  97         e1.note.type=EV1_NOTE;
  98         e1.note.time=2.0;
  99         e1.note.note=60;
 100
 101         new_event1(&e1);
 102
 103         e1.note.note=63;
 104         new_event1(&e1);
 105
 106         e1.note.note=67;
 107         new_event1(&e1);
 108
 109         e1.note.type=EV1_NOTE;
 110         e1.note.time=3.0;
 111         e1.note.note=60;
 112
 113         new_event1(&e1);
 114
 115         e1.note.note=65;
 116         new_event1(&e1);
 117
 118         e1.note.note=68;
 119         new_event1(&e1);
 120
 121         e1.tempo.type=EV1_TEMPO;
 122         e1.tempo.time=0;
 123         e1.tempo.trk_id=-1;
 124         e1.tempo.tempo=60.0;
 125
 126         new_event1(&e1);
 127
 128         e1.tempo.time=2;
 129         e1.tempo.tempo=120.0;
 130         new_event1(&e1);
 131
 132         e1.meter.type=EV1_METER;
 133         e1.meter.time=0;
 134         e1.meter.trk_id=-1;
 135         e1.meter.num=4;
 136         e1.meter.den=4;
 137
 138         new_event1(&e1);
 139 #endif
 140 /*
 141         {
 142                 char * ptr=preprocess("%examples/example1.ahml");
 143                 printf("%s\n",ptr);
 144                 compile("x16-2~0.8,8-4~0.6 c8d#''4/3*6~0.5 x o2e4~0.8o++f");
 145         }
 146 */
 147         ss_interpolation=3;
 148         ss_frequency=44100;
 149         ss_master_volume=0.5;
 150         ss_nchannels=4;
 151 #if 0
 152         ss_ins_init(&i[1], 1);
 153         load_pat_file(&i[1], "samples/acpiano.pat");
 154         ss_ins_init(&i[2], 2);
 155 /*      load_pat_file(&i[2], "samples/synstr1.pat"); */
 156         load_pat_file(&i[2], "samples/flute.pat");
 157
 158 /*      n_channels=load_wav_file("samples/as-al017.wav", &size, wave); */
 159 /*      n_channels=load_wav_file("samples/amen1.wav", &size, &s_rate, wave);
 160         printf("n_channels: %d\n", n_channels); */
 161
 162         load_wav_file(&w, "samples/amen1.wav");
 163
 164         printf("tempo: %lf\n", tempo_from_wave(&w, 60, 1));
 165
 166         ss_ins_init(&i[0], 0);
 167 /*      ss_ins_add_layer(&i[0],
 168                 note_frequency(36), note_frequency(0), note_frequency(127),
 169                 n_channels, wave, size, s_rate, 0, size); */
 170         ss_ins_add_layer(&i[0], &w);
 171 #endif
 172
 173 /*
 174         f=popen("sox -V -t raw -s -r 44100 -c 2 -w - qq.wav","w");
 175 */
 176
 177         if(ss_output_open("default", NULL) < 0)
 178         {
 179                 printf("Error: can't init driver\n");
 180                 return(1);
 181         }
 182
 183         /* 'reverb' with 3 allpass */
 184         /*
 185         init_delay(&e, (int)TIME2SAMPLES(20.0 / 1000.0), 0.9, 0, 0, 0, 0);
 186         init_delay(&e2, (int)TIME2SAMPLES(36.0 / 1000.0), 0.9, 0, 0, 0, 0);
 187         init_delay(&e3, (int)TIME2SAMPLES(39.0 / 1000.0), 0.9, 0, 0, 0, 0);
 188         */
 189
 190 /*      init_delay(&e, 44100, 0.9, 150, 0.1, 3.14 / 2, 0); */
 191
 192         /* wobble */
 193         /*
 194         init_delay(&e4, 1, 1, 1, 4, 3.14 / 2, 0);
 195         */
 196 #if 0
 197         /* wobble */
 198         effect_wobble(&e[0], 0.5, 0);
 199         effect_wobble(&e[1], 0.5, 0.25);
 200
 201         /* delay */
 202         effect_delay(&e[2], 300);
 203
 204         /* allpasses in serial (reverb) */
 205         effect_allpass(&e[3], (int)TIME2SAMPLES(20.0 / 1000.0), 0.9);
 206         effect_allpass(&e[4], (int)TIME2SAMPLES(36.0 / 1000.0), 0.9);
 207         effect_allpass(&e[5], (int)TIME2SAMPLES(39.0 / 1000.0), 0.9);
 208
 209         effect_allpass(&e[6], (int)TIME2SAMPLES(20.0 / 1000.0), 0.9);
 210         effect_allpass(&e[7], (int)TIME2SAMPLES(36.0 / 1000.0), 0.9);
 211         effect_allpass(&e[8], (int)TIME2SAMPLES(39.0 / 1000.0), 0.9);
 212
 213         /* flanger */
 214         effect_flanger(&e[9], 44100, 0.9, 150, 0.1, 0.25);
 215         effect_flanger(&e[10], 44100, 0.9, 150, 0.1, 0);
 216
 217         /* fader */
 218         effect_fader(&e[11], 44100 * 6, 0, 1);
 219 #endif
 220 #if 0
 221         /* events */
 222         event_clear();
 223
 224         vol[0]=1.0; vol[1]=1.0; vol[2]=0.0; vol[3]=0.0;
 225         ss_ins_set_channel_map(&i[0], 4, vol);
 226
 227         /* drum loop */
 228         event_note_on(0, 0, 36, 1);
 229         event_note_off(441000, 0, 36);
 230
 231         /* piano */
 232         vol[0]=0.0; vol[1]=0.0; vol[2]=1.0; vol[3]=1.0;
 233         ss_ins_set_channel_map(&i[1], 4, vol);
 234
 235         event_note_on(44100, 1, 64, 1);
 236         event_note_on(44100, 1, 67, 1);
 237         event_note_on(44100, 1, 71, 1);
 238
 239         event_note_off(44100 * 3, 1, 64);
 240         event_note_off(44100 * 3, 1, 67);
 241         event_note_off(44100 * 3, 1, 71);
 242
 243         event_note_on(44100 * 3, 1, 64, 1);
 244         event_note_on(44100 * 3, 1, 66, 1);
 245         event_note_on(44100 * 3, 1, 71, 1);
 246
 247         event_note_off(44100 * 6, 1, 64);
 248         event_note_off(44100 * 6, 1, 66);
 249         event_note_off(44100 * 6, 1, 71);
 250
 251         event_note_on(44100, 1, 28, 1);
 252         event_note_off(44100 * 9, 1, 28);
 253
 254         event_sort();
 255 #endif
 256
 257 #if 0
 258 /*      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 "); */
 259         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"))
 260         {
 261                 exit(0);
 262         }
 263 #endif
 264
 265         if(argc > 1)
 266                 ahs_file=argv[1];
 267
 268         if(compile_file(ahs_file))
 269         {
 270                 exit(0);
 271         }
 272
 273 /*      event1_to_event2();*/
 274 /*      generate_ss_song();*/
 275
 276         ss_song_render();
 277 /*      midi_song_play();*/
 278 #if 0
 279         e2=_events_2;
 280
 281         for(frame=0,goon=1;goon;frame++)
 282         {
 283                 if(e2->generic.type == EV2_END)
 284                         break;
 285
 286                 while(e2->generic.frame == frame)
 287                 {
 288                         if(e2->generic.type == EV2_NOTE_ON)
 289                                 ss_ins_note_on(&i[e2->note_on.trk_id],
 290                                         e2->note_on.note,
 291                                         e2->note_on.vol,
 292                                         e2->note_on.note_id);
 293                         else
 294                         if(e2->generic.type == EV2_NOTE_OFF)
 295                                 ss_ins_note_off(&i[e2->note_off.trk_id],
 296                                         e2->note_off.note_id);
 297                         else
 298                         if(e2->generic.type == EV2_END)
 299                                 goon=0;
 300
 301                         e2++;
 302                 }
 303
 304                 ss_output_init_frame(output);
 305
 306                 ss_ins_frame(&i[0], output);
 307                 ss_ins_frame(&i[1], output);
 308                 ss_ins_frame(&i[2], output);
 309
 310 #if 0
 311                 if(n < TIME2SAMPLES(13))
 312                 {
 313                         output[0]=process_effect(&e[0], output[0]);
 314                         output[1]=process_effect(&e[1], output[1]);
 315
 316 /*                      output[1]=process_effect(&e[2], output[1]); */
 317
 318 /*                      output[0]=process_effect(&e[3], output[0]);
 319                         output[0]=process_effect(&e[4], output[0]);
 320                         output[0]=process_effect(&e[5], output[0]);
 321
 322                         output[1]=process_effect(&e[6], output[1]);
 323                         output[1]=process_effect(&e[7], output[1]);
 324                         output[1]=process_effect(&e[8], output[1]); */
 325
 326 /*                      output[0]=process_effect(&e[9], output[0]);
 327                         output[1]=process_effect(&e[10], output[1]); */
 328
 329 /*                      output[0]=process_effect(&e[11], output[0]);
 330                         output[1]=process_effect(&e[11], output[1]); */
 331                 }
 332 #endif
 333
 334                 ss_output_write(output);
 335
 336 /*              if(n < TIME2SAMPLES(14))
 337                         generator_release(&_generators[1]); */
 338         }
 339 #endif
 340         ss_output_close();
 341
 342         printf("clipped: %d optimal volume: %f\n",
 343                 ss_output_clipped, ss_optimal_volume);
 344
 345         return(0);
 346 }