wav.c

   1 /*
   2
   3     Ann Hell Ex Machina - Music Software
   4     Copyright (C) 2003/2004 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 "core.h"
  34 #include "output.h"
  35 #include "ss_gen.h"
  36 #include "effect.h"
  37 #include "ss_ins.h"
  38 #include "input.h"
  39 #include "event.h"
  40
  41 /*******************
  42         Data
  43 ********************/
  44
  45 /* defined in compiler.y */
  46 int compile(char * code);
  47
  48 /*******************
  49         Code
  50 ********************/
  51
  52 int main(void)
  53 {
  54         float * wave[CHANNELS];
  55         float output[CHANNELS];
  56         float vol[CHANNELS];
  57         int s_rate;
  58         double size;
  59         int n_channels;
  60         FILE * f;
  61         int n, m;
  62         struct effect e[16];
  63         struct ss_ins i[16];
  64         int goon;
  65         int frame;
  66         struct ss_wave w;
  67
  68         union event1 e1;
  69         union event2 * e2;
  70 #ifdef QQ
  71
  72         event1_clear();
  73
  74         e1.note.type=EV1_NOTE;
  75         e1.note.time=0;
  76         e1.note.trk_id=1;
  77         e1.note.note=60;
  78         e1.note.len=1.0;
  79         e1.note.vol=1.0;
  80
  81         new_event1(&e1);
  82
  83         e1.note.note=63;
  84         new_event1(&e1);
  85
  86         e1.note.note=67;
  87         new_event1(&e1);
  88
  89         e1.note.type=EV1_NOTE;
  90         e1.note.time=1.0;
  91         e1.note.note=60;
  92
  93         new_event1(&e1);
  94
  95         e1.note.note=65;
  96         new_event1(&e1);
  97
  98         e1.note.note=68;
  99         new_event1(&e1);
 100
 101         e1.note.type=EV1_NOTE;
 102         e1.note.time=2.0;
 103         e1.note.note=60;
 104
 105         new_event1(&e1);
 106
 107         e1.note.note=63;
 108         new_event1(&e1);
 109
 110         e1.note.note=67;
 111         new_event1(&e1);
 112
 113         e1.note.type=EV1_NOTE;
 114         e1.note.time=3.0;
 115         e1.note.note=60;
 116
 117         new_event1(&e1);
 118
 119         e1.note.note=65;
 120         new_event1(&e1);
 121
 122         e1.note.note=68;
 123         new_event1(&e1);
 124
 125         e1.tempo.type=EV1_TEMPO;
 126         e1.tempo.time=0;
 127         e1.tempo.trk_id=-1;
 128         e1.tempo.tempo=60.0;
 129
 130         new_event1(&e1);
 131
 132         e1.tempo.time=2;
 133         e1.tempo.tempo=120.0;
 134         new_event1(&e1);
 135
 136         e1.meter.type=EV1_METER;
 137         e1.meter.time=0;
 138         e1.meter.trk_id=-1;
 139         e1.meter.num=4;
 140         e1.meter.den=4;
 141
 142         new_event1(&e1);
 143 #endif
 144 /*
 145         {
 146                 char * ptr=preprocess("%examples/example1.ahml");
 147                 printf("%s\n",ptr);
 148                 compile("x16-2~0.8,8-4~0.6 c8d#''4/3*6~0.5 x o2e4~0.8o++f");
 149         }
 150 */
 151         _interpolation=3;
 152         _frequency=44100;
 153         _master_volume=0.5;
 154         _n_channels=4;
 155
 156         ss_ins_init(&i[1], 1);
 157         load_pat_file(&i[1], "samples/acpiano.pat");
 158         ss_ins_init(&i[2], 2);
 159 /*      load_pat_file(&i[2], "samples/synstr1.pat"); */
 160         load_pat_file(&i[2], "samples/flute.pat");
 161
 162 /*      n_channels=load_wav_file("samples/as-al017.wav", &size, wave); */
 163 /*      n_channels=load_wav_file("samples/amen1.wav", &size, &s_rate, wave);
 164         printf("n_channels: %d\n", n_channels); */
 165
 166         load_wav_file(&w, "samples/amen1.wav");
 167
 168         printf("tempo: %lf\n", tempo_from_wave(&w, 60, 4));
 169
 170         ss_ins_init(&i[0], 0);
 171 /*      ss_ins_add_layer(&i[0],
 172                 note_frequency(36), note_frequency(0), note_frequency(127),
 173                 n_channels, wave, size, s_rate, 0, size); */
 174         ss_ins_add_layer(&i[0], &w);
 175
 176 /*
 177         f=popen("sox -V -t raw -s -r 44100 -c 2 -w - qq.wav","w");
 178 */
 179
 180         if(output_open("default", NULL) < 0)
 181         {
 182                 printf("Error: can't init driver\n");
 183                 return(1);
 184         }
 185
 186         /* 'reverb' with 3 allpass */
 187         /*
 188         init_delay(&e, (int)TIME2SAMPLES(20.0 / 1000.0), 0.9, 0, 0, 0, 0);
 189         init_delay(&e2, (int)TIME2SAMPLES(36.0 / 1000.0), 0.9, 0, 0, 0, 0);
 190         init_delay(&e3, (int)TIME2SAMPLES(39.0 / 1000.0), 0.9, 0, 0, 0, 0);
 191         */
 192
 193 /*      init_delay(&e, 44100, 0.9, 150, 0.1, 3.14 / 2, 0); */
 194
 195         /* wobble */
 196         /*
 197         init_delay(&e4, 1, 1, 1, 4, 3.14 / 2, 0);
 198         */
 199
 200         /* wobble */
 201         effect_wobble(&e[0], 0.5, 0);
 202         effect_wobble(&e[1], 0.5, 0.25);
 203
 204         /* delay */
 205         effect_delay(&e[2], 300);
 206
 207         /* allpasses in serial (reverb) */
 208         effect_allpass(&e[3], (int)TIME2SAMPLES(20.0 / 1000.0), 0.9);
 209         effect_allpass(&e[4], (int)TIME2SAMPLES(36.0 / 1000.0), 0.9);
 210         effect_allpass(&e[5], (int)TIME2SAMPLES(39.0 / 1000.0), 0.9);
 211
 212         effect_allpass(&e[6], (int)TIME2SAMPLES(20.0 / 1000.0), 0.9);
 213         effect_allpass(&e[7], (int)TIME2SAMPLES(36.0 / 1000.0), 0.9);
 214         effect_allpass(&e[8], (int)TIME2SAMPLES(39.0 / 1000.0), 0.9);
 215
 216         /* flanger */
 217         effect_flanger(&e[9], 44100, 0.9, 150, 0.1, 0.25);
 218         effect_flanger(&e[10], 44100, 0.9, 150, 0.1, 0);
 219
 220         /* fader */
 221         effect_fader(&e[11], 44100 * 6, 0, 1);
 222 #ifdef QQ
 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         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 ");
 260
 261         event1_to_event2();
 262
 263         e2=_events_2;
 264
 265         for(frame=0,goon=1;goon;frame++)
 266         {
 267                 if(e2->generic.type == EV2_END)
 268                         break;
 269
 270                 while(e2->generic.frame == frame)
 271                 {
 272                         if(e2->generic.type == EV2_NOTE_ON)
 273                                 ss_ins_note_on(&i[e2->note_on.trk_id],
 274                                         e2->note_on.note,
 275                                         e2->note_on.vol,
 276                                         e2->note_on.note_id);
 277                         else
 278                         if(e2->generic.type == EV2_NOTE_OFF)
 279                                 ss_ins_note_off(&i[e2->note_off.trk_id],
 280                                         e2->note_off.note_id);
 281                         else
 282                         if(e2->generic.type == EV2_END)
 283                                 goon=0;
 284
 285                         e2++;
 286                 }
 287
 288                 output_init_frame(output);
 289
 290                 ss_ins_frame(&i[0], output);
 291                 ss_ins_frame(&i[1], output);
 292                 ss_ins_frame(&i[2], output);
 293
 294 #ifdef QQ
 295                 if(n < TIME2SAMPLES(13))
 296                 {
 297                         output[0]=process_effect(&e[0], output[0]);
 298                         output[1]=process_effect(&e[1], output[1]);
 299
 300 /*                      output[1]=process_effect(&e[2], output[1]); */
 301
 302 /*                      output[0]=process_effect(&e[3], output[0]);
 303                         output[0]=process_effect(&e[4], output[0]);
 304                         output[0]=process_effect(&e[5], output[0]);
 305
 306                         output[1]=process_effect(&e[6], output[1]);
 307                         output[1]=process_effect(&e[7], output[1]);
 308                         output[1]=process_effect(&e[8], output[1]); */
 309
 310 /*                      output[0]=process_effect(&e[9], output[0]);
 311                         output[1]=process_effect(&e[10], output[1]); */
 312
 313 /*                      output[0]=process_effect(&e[11], output[0]);
 314                         output[1]=process_effect(&e[11], output[1]); */
 315                 }
 316 #endif
 317
 318                 output_write(output);
 319
 320 /*              if(n < TIME2SAMPLES(14))
 321                         generator_release(&_generators[1]); */
 322         }
 323
 324         output_close();
 325
 326         printf("clipped: %d optimal volume: %f\n",
 327                 _output_clipped, _optimal_volume);
 328
 329         return(0);
 330 }