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