examples/utils.c

   1
   2 #include "aubio.h"
   3
   4 #ifndef JACK_SUPPORT
   5 #define JACK_SUPPORT 0
   6 #endif
   7
   8 #include <getopt.h>
   9 #include <stdlib.h>
  10 #include <stdio.h>
  11 #include <string.h>
  12 #include <math.h> /* for isfinite */
  13 #include "utils.h"
  14
  15 #ifdef LASH_SUPPORT
  16 #include <lash/lash.h>
  17 #include <pthread.h>
  18 lash_client_t * aubio_lash_client;
  19 lash_args_t * lash_args;
  20 void * lash_thread_main (void * data);
  21 int lash_main (void);
  22 void save_data (void);
  23 void restore_data(lash_config_t * lash_config);
  24 pthread_t lash_thread;
  25 #endif /* LASH_SUPPORT */
  26
  27 /* settings */
  28 const char * output_filename = NULL;
  29 const char * input_filename  = NULL;
  30 const char * onset_filename  = AUBIO_PREFIX "/share/sounds/" PACKAGE "/woodblock.aiff";
  31 int frames = 0;
  32 int verbose = 0;
  33 int usejack = 0;
  34 int usedoubled = 1;
  35
  36
  37 /* energy,specdiff,hfc,complexdomain,phase */
  38 aubio_onsetdetection_type type_onset  = aubio_onset_kl;
  39 aubio_onsetdetection_type type_onset2 = aubio_onset_complex;
  40 smpl_t threshold                      = 0.3;
  41 smpl_t silence                        = -90.;
  42 // uint_t buffer_size                    = 512;
  43 // uint_t overlap_size                   = 256;
  44 uint_t buffer_size                    = 1024;
  45 uint_t overlap_size                   = 512;
  46 uint_t channels                       = 1;
  47 uint_t samplerate                     = 44100;
  48
  49
  50 aubio_sndfile_t * file = NULL;
  51 aubio_sndfile_t * fileout = NULL;
  52
  53 aubio_pvoc_t * pv;
  54 fvec_t * ibuf;
  55 fvec_t * obuf;
  56 cvec_t * fftgrain;
  57 fvec_t * woodblock;
  58 aubio_onsetdetection_t *o;
  59 aubio_onsetdetection_t *o2;
  60 fvec_t *onset;
  61 fvec_t *onset2;
  62 int isonset = 0;
  63 aubio_pickpeak_t * parms;
  64
  65 /* pitch objects */
  66 smpl_t pitch               = 0.;
  67 aubio_pitchdetection_t * pitchdet;
  68 aubio_pitchdetection_type type_pitch = aubio_pitch_yinfft; // aubio_pitch_mcomb
  69 aubio_pitchdetection_mode mode_pitch = aubio_pitchm_freq;
  70 uint_t median         = 6;
  71
  72 fvec_t * note_buffer  = NULL;
  73 fvec_t * note_buffer2 = NULL;
  74 smpl_t curlevel       = 0.;
  75 smpl_t maxonset       = 0.;
  76
  77 /* midi objects */
  78 aubio_midi_player_t * mplay;
  79 aubio_midi_driver_t * mdriver;
  80 aubio_midi_event_t  * event;
  81
  82 smpl_t curnote = 0.;
  83 smpl_t newnote = 0.;
  84 uint_t isready = 0;
  85
  86
  87
  88 /* badly redeclare some things */
  89 aubio_onsetdetection_type type_onset;
  90 smpl_t threshold;
  91 smpl_t averaging;
  92 const char * prog_name;
  93
  94 void usage (FILE * stream, int exit_code)
  95 {
  96         fprintf(stream, "usage: %s [ options ] \n", prog_name);
  97         fprintf(stream,
  98                         "       -h      --help          Display this message.\n"
  99                         "       -v      --verbose       Be verbose.\n"
 100                         "       -j      --jack          Use Jack.\n"
 101                         "       -o      --output        Output type.\n"
 102                         "       -i      --input         Input type.\n"
 103                         "       -O      --onset         Select onset detection algorithm.\n"
 104                         "       -t      --threshold     Set onset detection threshold.\n"
 105                         "       -s      --silence       Select silence threshold.\n"
 106                         "       -p      --pitch         Select pitch detection algorithm.\n"
 107                         "       -H      --hopsize       Set hopsize.\n"
 108                         "       -a      --averaging     Use averaging.\n"
 109                );
 110         exit(exit_code);
 111 }
 112
 113 int parse_args (int argc, char **argv) {
 114         const char *options = "hvjo:i:O:t:s:p:H:a";
 115         int next_option;
 116         struct option long_options[] =
 117         {
 118                 {"help"     , 0, NULL, 'h'},
 119                 {"verbose"  , 0, NULL, 'v'},
 120                 {"jack"     , 0, NULL, 'j'},
 121                 {"output"   , 1, NULL, 'o'},
 122                 {"input"    , 1, NULL, 'i'},
 123                 {"onset"    , 1, NULL, 'O'},
 124                 {"threshold", 1, NULL, 't'},
 125                 {"silence"  , 1, NULL, 's'},
 126                 {"pitch"    , 1, NULL, 'p'},
 127                 {"averaging", 0, NULL, 'a'},
 128                 {"hopsize",   1, NULL, 'H'},
 129                 {NULL       , 0, NULL, 0}
 130         };
 131 #ifdef LASH_SUPPORT
 132         lash_args = lash_extract_args(&argc, &argv);
 133 #endif /* LASH_SUPPORT */
 134         prog_name = argv[0];
 135         if( argc < 1 ) {
 136                 usage (stderr, 1);
 137                 return -1;
 138         }
 139         do {
 140                 next_option = getopt_long (argc, argv, options,
 141                                 long_options, NULL);
 142                 switch (next_option) {
 143                         case 'o':
 144                                 output_filename = optarg;
 145                                 break;
 146                         case 'i':
 147                                 input_filename = optarg;
 148                                 break;
 149                         case 'h': /* help */
 150                                 usage (stdout, 0);
 151                                 return -1;
 152                         case 'v': /* verbose */
 153                                 verbose = 1;
 154                                 break;
 155                         case 'j':
 156                                 usejack = 1;
 157                                 break;
 158                         case 'O':   /*onset type*/
 159                                 if (strcmp(optarg,"energy") == 0)
 160                                         type_onset = aubio_onset_energy;
 161                                 else if (strcmp(optarg,"specdiff") == 0)
 162                                         type_onset = aubio_onset_specdiff;
 163                                 else if (strcmp(optarg,"hfc") == 0)
 164                                         type_onset = aubio_onset_hfc;
 165                                 else if (strcmp(optarg,"complexdomain") == 0)
 166                                         type_onset = aubio_onset_complex;
 167                                 else if (strcmp(optarg,"complex") == 0)
 168                                         type_onset = aubio_onset_complex;
 169                                 else if (strcmp(optarg,"phase") == 0)
 170                                         type_onset = aubio_onset_phase;
 171                                 else if (strcmp(optarg,"mkl") == 0)
 172                                         type_onset = aubio_onset_mkl;
 173                                 else if (strcmp(optarg,"kl") == 0)
 174                                         type_onset = aubio_onset_kl;
 175                                 else {
 176                                         errmsg("unknown onset type.\n");
 177                                         abort();
 178                                 }
 179                                 usedoubled = 0;
 180                                 break;
 181                         case 's':   /* threshold value for onset */
 182                                 silence = (smpl_t)atof(optarg);
 183                                 break;
 184                         case 't':   /* threshold value for onset */
 185                                 threshold = (smpl_t)atof(optarg);
 186                                 /*
 187                                    if (!isfinite(threshold)) {
 188                                    debug("could not get threshold.\n");
 189                                    abort();
 190                                    }
 191                                    */
 192                                 break;
 193                         case 'p':
 194                                 if (strcmp(optarg,"mcomb") == 0)
 195                                         type_pitch = aubio_pitch_mcomb;
 196                                 else if (strcmp(optarg,"yinfft") == 0)
 197                                         type_pitch = aubio_pitch_yin;
 198                                 else if (strcmp(optarg,"yin") == 0)
 199                                         type_pitch = aubio_pitch_yin;
 200                                 else if (strcmp(optarg,"schmitt") == 0)
 201                                         type_pitch = aubio_pitch_schmitt;
 202                                 else if (strcmp(optarg,"fcomb") == 0)
 203                                         type_pitch = aubio_pitch_fcomb;
 204                                 else {
 205                                         errmsg("unknown pitch type.\n");
 206                                         abort();
 207                                 }
 208                                 break;
 209                         case 'a':
 210                                 averaging = 1;
 211                                 break;
 212                         case 'H':
 213                                 overlap_size = atoi(optarg);
 214                                 break;
 215                         case '?': /* unknown options */
 216                                 usage(stderr, 1);
 217                                 break;
 218                         case -1: /* done with options */
 219                                 break;
 220                         default: /*something else unexpected */
 221                                 abort ();
 222                 }
 223         }
 224         while (next_option != -1);
 225
 226         if (input_filename != NULL) {
 227                 debug ("Input file : %s\n", input_filename );
 228         } else if (input_filename != NULL && output_filename != NULL) {
 229                 debug ("Input file : %s\n", input_filename );
 230                 debug ("Output file : %s\n", output_filename );
 231         } else {
 232                 if (JACK_SUPPORT)
 233                 {
 234                         debug ("Jack input output\n");
 235                         usejack = 1;
 236                 } else {
 237                         debug ("Error: Could not switch to jack mode\n   aubio was compiled without jack support\n");
 238                         exit(1);
 239                 }
 240         }
 241
 242         return 0;
 243 }
 244
 245 void examples_common_init(int argc,char ** argv) {
 246
 247
 248   aubio_sndfile_t * onsetfile = NULL;
 249   /* parse command line arguments */
 250   parse_args(argc, argv);
 251
 252   woodblock = new_fvec(buffer_size,1);
 253   if (output_filename || usejack) {
 254           /* dummy assignement to keep egcs happy */
 255           isonset = (onsetfile = new_aubio_sndfile_ro(onset_filename)) ||
 256                   (onsetfile = new_aubio_sndfile_ro("sounds/woodblock.aiff")) ||
 257                   (onsetfile = new_aubio_sndfile_ro("../sounds/woodblock.aiff"));
 258           if (onsetfile == NULL) {
 259             outmsg("Could not find woodblock.aiff\n");
 260             exit(1);
 261           }
 262   }
 263   if (onsetfile) {
 264           /* read the output sound once */
 265           aubio_sndfile_read(onsetfile, overlap_size, woodblock);
 266   }
 267
 268   if(!usejack)
 269   {
 270     debug("Opening files ...\n");
 271     file = new_aubio_sndfile_ro (input_filename);
 272     if (file == NULL) {
 273       outmsg("Could not open input file %s.\n", input_filename);
 274       exit(1);
 275     }
 276     if (verbose) aubio_sndfile_info(file);
 277     channels = aubio_sndfile_channels(file);
 278     samplerate = aubio_sndfile_samplerate(file);
 279     if (output_filename != NULL)
 280       fileout = new_aubio_sndfile_wo(file, output_filename);
 281   }
 282 #ifdef LASH_SUPPORT
 283   else {
 284     aubio_lash_client = lash_init(lash_args, argv[0],
 285         LASH_Config_Data_Set | LASH_Terminal,
 286         LASH_PROTOCOL(2, 0));
 287     if (!aubio_lash_client) {
 288       fprintf(stderr, "%s: could not initialise lash\n", __FUNCTION__);
 289     }
 290     /* tell the lash server our client id */
 291     if (lash_enabled(aubio_lash_client)) {
 292       lash_event_t * event = (lash_event_t *)lash_event_new_with_type(LASH_Client_Name);
 293       lash_event_set_string(event, "aubio");
 294       lash_send_event(aubio_lash_client, event);
 295       pthread_create(&lash_thread, NULL, lash_thread_main, NULL);
 296     }
 297   }
 298 #endif /* LASH_SUPPORT */
 299
 300   ibuf      = new_fvec(overlap_size, channels);
 301   obuf      = new_fvec(overlap_size, channels);
 302   fftgrain  = new_cvec(buffer_size, channels);
 303
 304
 305   if (usepitch) {
 306     pitchdet = new_aubio_pitchdetection(buffer_size*4,
 307         overlap_size, channels, samplerate, type_pitch, mode_pitch);
 308     aubio_pitchdetection_set_yinthresh(pitchdet, 0.7);
 309
 310     if (median) {
 311       note_buffer = new_fvec(median, 1);
 312       note_buffer2= new_fvec(median, 1);
 313     }
 314   }
 315   /* phase vocoder */
 316   pv = new_aubio_pvoc(buffer_size, overlap_size, channels);
 317
 318   /* onsets */
 319   parms = new_aubio_peakpicker(threshold);
 320   o = new_aubio_onsetdetection(type_onset,buffer_size,channels);
 321   onset = new_fvec(1, channels);
 322   if (usedoubled)    {
 323     o2 = new_aubio_onsetdetection(type_onset2,buffer_size,channels);
 324     onset2 = new_fvec(1 , channels);
 325   }
 326
 327 }
 328
 329
 330 void examples_common_del(void){
 331   if (usepitch) {
 332           send_noteon(curnote,0);
 333           del_aubio_pitchdetection(pitchdet);
 334           if (median) {
 335                   del_fvec(note_buffer);
 336                   del_fvec(note_buffer2);
 337           }
 338   }
 339   if (usedoubled)    {
 340     del_aubio_onsetdetection(o2);
 341     del_fvec(onset2);
 342   }
 343   del_aubio_onsetdetection(o);
 344   del_aubio_peakpicker(parms);
 345   del_aubio_pvoc(pv);
 346   del_fvec(obuf);
 347   del_fvec(ibuf);
 348   del_cvec(fftgrain);
 349   del_fvec(onset);
 350   del_fvec(woodblock);
 351
 352   aubio_cleanup();
 353 }
 354
 355 void examples_common_process(aubio_process_func_t process_func, aubio_print_func_t print ){
 356   if(usejack) {
 357 #if JACK_SUPPORT
 358     aubio_jack_t * jack_setup;
 359     debug("Jack init ...\n");
 360     jack_setup = new_aubio_jack(channels, channels,
 361           (aubio_process_func_t)process_func);
 362     if (usepitch) {
 363             debug("Midi init ...\n");
 364             mplay = new_aubio_midi_player();
 365             mdriver = new_aubio_midi_driver("alsa_seq",
 366                             (handle_midi_event_func_t)aubio_midi_send_event, mplay);
 367             event = new_aubio_midi_event();
 368     }
 369     debug("Jack activation ...\n");
 370     aubio_jack_activate(jack_setup);
 371     debug("Processing (Ctrl+C to quit) ...\n");
 372     pause();
 373     aubio_jack_close(jack_setup);
 374     if (usepitch) {
 375             send_noteon(curnote,0);
 376             del_aubio_midi_driver(mdriver);
 377     }
 378 #else
 379     usage(stderr, 1);
 380     outmsg("Compiled without jack output, exiting.\n");
 381 #endif
 382
 383   } else {
 384     /* phasevoc */
 385     debug("Processing ...\n");
 386
 387     frames = 0;
 388
 389     while ((signed)overlap_size == aubio_sndfile_read(file, overlap_size, ibuf))
 390     {
 391       isonset=0;
 392       process_func(ibuf->data, obuf->data, overlap_size);
 393       print();
 394       if (output_filename != NULL) {
 395         aubio_sndfile_write(fileout,overlap_size,obuf);
 396       }
 397       frames++;
 398     }
 399
 400     debug("Processed %d frames of %d samples.\n", frames, buffer_size);
 401     del_aubio_sndfile(file);
 402
 403     if (output_filename != NULL)
 404       del_aubio_sndfile(fileout);
 405
 406   }
 407 }
 408
 409
 410
 411 void send_noteon(int pitch, int velo)
 412 {
 413     smpl_t mpitch = floor(aubio_freqtomidi(pitch)+.5);
 414     /* we should check if we use midi here, not jack */
 415 #if ALSA_SUPPORT
 416     if (usejack) {
 417         if (velo==0) {
 418             aubio_midi_event_set_type(event,NOTE_OFF);
 419         } else {
 420             aubio_midi_event_set_type(event,NOTE_ON);
 421         }
 422         aubio_midi_event_set_channel(event,0);
 423         aubio_midi_event_set_pitch(event,mpitch);
 424         aubio_midi_event_set_velocity(event,velo);
 425         aubio_midi_direct_output(mdriver,event);
 426     } else
 427 #endif
 428     if (!verbose)
 429     {
 430         if (velo==0) {
 431             outmsg("%f\n",frames*overlap_size/(float)samplerate);
 432         } else {
 433             outmsg("%f\t%f\t", mpitch,
 434                         frames*overlap_size/(float)samplerate);
 435         }
 436     }
 437 }
 438
 439
 440 void note_append(fvec_t * note_buffer, smpl_t curnote) {
 441   uint_t i = 0;
 442   for (i = 0; i < note_buffer->length - 1; i++) {
 443       note_buffer->data[0][i] = note_buffer->data[0][i+1];
 444   }
 445   note_buffer->data[0][note_buffer->length - 1] = curnote;
 446   return;
 447 }
 448
 449 uint_t get_note(fvec_t *note_buffer, fvec_t *note_buffer2){
 450   uint_t i = 0;
 451   for (i = 0; i < note_buffer->length; i++) {
 452       note_buffer2->data[0][i] = note_buffer->data[0][i];
 453   }
 454   return vec_median(note_buffer2);
 455 }
 456
 457 #if LASH_SUPPORT
 458
 459 void * lash_thread_main(void *data __attribute__((unused)))
 460 {
 461         printf("LASH thread running\n");
 462
 463         while (!lash_main())
 464                 usleep(1000);
 465
 466         printf("LASH thread finished\n");
 467         return NULL;
 468 }
 469
 470 int lash_main(void) {
 471         lash_event_t *lash_event;
 472         lash_config_t *lash_config;
 473
 474         while ((lash_event = lash_get_event(aubio_lash_client))) {
 475                 switch (lash_event_get_type(lash_event)) {
 476                 case LASH_Quit:
 477                         lash_event_destroy(lash_event);
 478       exit(1);
 479       return 1;
 480                 case LASH_Restore_Data_Set:
 481                         lash_send_event(aubio_lash_client, lash_event);
 482                         break;
 483                 case LASH_Save_Data_Set:
 484                         save_data();
 485                         lash_send_event(aubio_lash_client, lash_event);
 486                         break;
 487                 case LASH_Server_Lost:
 488                         return 1;
 489                 default:
 490                         printf("%s: received unknown LASH event of type %d",
 491                                    __FUNCTION__, lash_event_get_type(lash_event));
 492                         lash_event_destroy(lash_event);
 493       break;
 494                 }
 495         }
 496
 497         while ((lash_config = lash_get_config(aubio_lash_client))) {
 498                 restore_data(lash_config);
 499                 lash_config_destroy(lash_config);
 500         }
 501
 502         return 0;
 503 }
 504
 505 void save_data() {
 506         lash_config_t *lash_config;
 507
 508         lash_config = lash_config_new_with_key("threshold");
 509         lash_config_set_value_double(lash_config, threshold);
 510         lash_send_config(aubio_lash_client, lash_config);
 511
 512 }
 513
 514 void restore_data(lash_config_t * lash_config) {
 515         const char *lash_key;
 516
 517         lash_key = lash_config_get_key(lash_config);
 518
 519         if (strcmp(lash_key, "threshold") == 0) {
 520                 threshold = lash_config_get_value_double(lash_config);
 521                 return;
 522         }
 523
 524 }
 525
 526 #endif /* LASH_SUPPORT */
 527