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 void flush_process(aubio_process_func_t process_func, aubio_print_func_t print);
  25 pthread_t lash_thread;
  26 #endif /* LASH_SUPPORT */
  27
  28 /* settings */
  29 const char * output_filename = NULL;
  30 const char * input_filename  = NULL;
  31 const char * onset_filename  = AUBIO_PREFIX "/share/sounds/" PACKAGE "/woodblock.aiff";
  32 int frames = 0;
  33 int verbose = 0;
  34 int usejack = 0;
  35 int usedoubled = 1;
  36 int frames_delay = 0;
  37
  38
  39 /* energy,specdiff,hfc,complexdomain,phase */
  40 aubio_onsetdetection_type type_onset  = aubio_onset_kl;
  41 aubio_onsetdetection_type type_onset2 = aubio_onset_complex;
  42 smpl_t threshold                      = 0.3;
  43 smpl_t silence                        = -90.;
  44 uint_t buffer_size                    = 512; //1024;
  45 uint_t overlap_size                   = 256; //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
  66 /* pitch objects */
  67 smpl_t pitch               = 0.;
  68 aubio_pitchdetection_t * pitchdet;
  69 aubio_pitchdetection_type type_pitch = aubio_pitch_yinfft; // aubio_pitch_mcomb
  70 aubio_pitchdetection_mode mode_pitch = aubio_pitchm_freq;
  71 uint_t median         = 6;
  72
  73 fvec_t * note_buffer  = NULL;
  74 fvec_t * note_buffer2 = NULL;
  75 smpl_t curlevel       = 0.;
  76 smpl_t maxonset       = 0.;
  77
  78 /* midi objects */
  79 aubio_midi_player_t * mplay;
  80 aubio_midi_driver_t * mdriver;
  81 aubio_midi_event_t  * event;
  82
  83 smpl_t curnote = 0.;
  84 smpl_t newnote = 0.;
  85 uint_t isready = 0;
  86
  87
  88
  89 /* badly redeclare some things */
  90 aubio_onsetdetection_type type_onset;
  91 smpl_t threshold;
  92 smpl_t averaging;
  93 const char * prog_name;
  94
  95 void usage (FILE * stream, int exit_code)
  96 {
  97         fprintf(stream, "usage: %s [ options ] \n", prog_name);
  98         fprintf(stream,
  99                         "       -h      --help          Display this message.\n"
 100                         "       -v      --verbose       Be verbose.\n"
 101                         "       -j      --jack          Use Jack.\n"
 102                         "       -o      --output        Output type.\n"
 103                         "       -i      --input         Input type.\n"
 104                         "       -O      --onset         Select onset detection algorithm.\n"
 105                         "       -t      --threshold     Set onset detection threshold.\n"
 106                         "       -s      --silence       Select silence threshold.\n"
 107                         "       -p      --pitch         Select pitch detection algorithm.\n"
 108                         "       -H      --hopsize       Set hopsize.\n"
 109                         "       -a      --averaging     Use averaging.\n"
 110                );
 111         exit(exit_code);
 112 }
 113
 114 int parse_args (int argc, char **argv) {
 115         const char *options = "hvjo:i:O:t:s:p:H:a";
 116         int next_option;
 117         struct option long_options[] =
 118         {
 119                 {"help"     , 0, NULL, 'h'},
 120                 {"verbose"  , 0, NULL, 'v'},
 121                 {"jack"     , 0, NULL, 'j'},
 122                 {"output"   , 1, NULL, 'o'},
 123                 {"input"    , 1, NULL, 'i'},
 124                 {"onset"    , 1, NULL, 'O'},
 125                 {"threshold", 1, NULL, 't'},
 126                 {"silence"  , 1, NULL, 's'},
 127                 {"pitch"    , 1, NULL, 'p'},
 128                 {"averaging", 0, NULL, 'a'},
 129                 {"hopsize",   1, NULL, 'H'},
 130                 {NULL       , 0, NULL, 0}
 131         };
 132 #ifdef LASH_SUPPORT
 133         lash_args = lash_extract_args(&argc, &argv);
 134 #endif /* LASH_SUPPORT */
 135         prog_name = argv[0];
 136         if( argc < 1 ) {
 137                 usage (stderr, 1);
 138                 return -1;
 139         }
 140         do {
 141                 next_option = getopt_long (argc, argv, options,
 142                                 long_options, NULL);
 143                 switch (next_option) {
 144                         case 'o':
 145                                 output_filename = optarg;
 146                                 break;
 147                         case 'i':
 148                                 input_filename = optarg;
 149                                 break;
 150                         case 'h': /* help */
 151                                 usage (stdout, 0);
 152                                 return -1;
 153                         case 'v': /* verbose */
 154                                 verbose = 1;
 155                                 break;
 156                         case 'j':
 157                                 usejack = 1;
 158                                 break;
 159                         case 'O':   /*onset type*/
 160                                 if (strcmp(optarg,"energy") == 0)
 161                                         type_onset = aubio_onset_energy;
 162                                 else if (strcmp(optarg,"specdiff") == 0)
 163                                         type_onset = aubio_onset_specdiff;
 164                                 else if (strcmp(optarg,"hfc") == 0)
 165                                         type_onset = aubio_onset_hfc;
 166                                 else if (strcmp(optarg,"complexdomain") == 0)
 167                                         type_onset = aubio_onset_complex;
 168                                 else if (strcmp(optarg,"complex") == 0)
 169                                         type_onset = aubio_onset_complex;
 170                                 else if (strcmp(optarg,"phase") == 0)
 171                                         type_onset = aubio_onset_phase;
 172                                 else if (strcmp(optarg,"mkl") == 0)
 173                                         type_onset = aubio_onset_mkl;
 174                                 else if (strcmp(optarg,"kl") == 0)
 175                                         type_onset = aubio_onset_kl;
 176                                 else {
 177                                         errmsg("unknown onset type.\n");
 178                                         abort();
 179                                 }
 180                                 usedoubled = 0;
 181                                 break;
 182                         case 's':   /* threshold value for onset */
 183                                 silence = (smpl_t)atof(optarg);
 184                                 break;
 185                         case 't':   /* threshold value for onset */
 186                                 threshold = (smpl_t)atof(optarg);
 187                                 /*
 188                                    if (!isfinite(threshold)) {
 189                                    debug("could not get threshold.\n");
 190                                    abort();
 191                                    }
 192                                    */
 193                                 break;
 194                         case 'p':
 195                                 if (strcmp(optarg,"mcomb") == 0)
 196                                         type_pitch = aubio_pitch_mcomb;
 197                                 else if (strcmp(optarg,"yinfft") == 0)
 198                                         type_pitch = aubio_pitch_yin;
 199                                 else if (strcmp(optarg,"yin") == 0)
 200                                         type_pitch = aubio_pitch_yin;
 201                                 else if (strcmp(optarg,"schmitt") == 0)
 202                                         type_pitch = aubio_pitch_schmitt;
 203                                 else if (strcmp(optarg,"fcomb") == 0)
 204                                         type_pitch = aubio_pitch_fcomb;
 205                                 else {
 206                                         errmsg("unknown pitch type.\n");
 207                                         abort();
 208                                 }
 209                                 break;
 210                         case 'a':
 211                                 averaging = 1;
 212                                 break;
 213                         case 'H':
 214                                 overlap_size = atoi(optarg);
 215                                 break;
 216                         case '?': /* unknown options */
 217                                 usage(stderr, 1);
 218                                 break;
 219                         case -1: /* done with options */
 220                                 break;
 221                         default: /*something else unexpected */
 222                                 abort ();
 223                 }
 224         }
 225         while (next_option != -1);
 226
 227         if (input_filename != NULL) {
 228                 debug ("Input file : %s\n", input_filename );
 229         } else if (input_filename != NULL && output_filename != NULL) {
 230                 debug ("Input file : %s\n", input_filename );
 231                 debug ("Output file : %s\n", output_filename );
 232         } else {
 233                 if (JACK_SUPPORT)
 234                 {
 235                         debug ("Jack input output\n");
 236                         usejack = 1;
 237                 } else {
 238                         debug ("Error: Could not switch to jack mode\n   aubio was compiled without jack support\n");
 239                         exit(1);
 240                 }
 241         }
 242
 243         return 0;
 244 }
 245
 246 void examples_common_init(int argc,char ** argv) {
 247
 248
 249   aubio_sndfile_t * onsetfile = NULL;
 250   /* parse command line arguments */
 251   parse_args(argc, argv);
 252
 253   woodblock = new_fvec(buffer_size,1);
 254   if (output_filename || usejack) {
 255           /* dummy assignement to keep egcs happy */
 256           isonset = (onsetfile = new_aubio_sndfile_ro(onset_filename)) ||
 257                   (onsetfile = new_aubio_sndfile_ro("sounds/woodblock.aiff")) ||
 258                   (onsetfile = new_aubio_sndfile_ro("../sounds/woodblock.aiff"));
 259           if (onsetfile == NULL) {
 260             outmsg("Could not find woodblock.aiff\n");
 261             exit(1);
 262           }
 263   }
 264   if (onsetfile) {
 265           /* read the output sound once */
 266           aubio_sndfile_read(onsetfile, overlap_size, woodblock);
 267   }
 268
 269   if(!usejack)
 270   {
 271     debug("Opening files ...\n");
 272     file = new_aubio_sndfile_ro (input_filename);
 273     if (file == NULL) {
 274       outmsg("Could not open input file %s.\n", input_filename);
 275       exit(1);
 276     }
 277     if (verbose) aubio_sndfile_info(file);
 278     channels = aubio_sndfile_channels(file);
 279     samplerate = aubio_sndfile_samplerate(file);
 280     if (output_filename != NULL)
 281       fileout = new_aubio_sndfile_wo(file, output_filename);
 282   }
 283 #ifdef LASH_SUPPORT
 284   else {
 285     aubio_lash_client = lash_init(lash_args, argv[0],
 286         LASH_Config_Data_Set | LASH_Terminal,
 287         LASH_PROTOCOL(2, 0));
 288     if (!aubio_lash_client) {
 289       fprintf(stderr, "%s: could not initialise lash\n", __FUNCTION__);
 290     }
 291     /* tell the lash server our client id */
 292     if (lash_enabled(aubio_lash_client)) {
 293       lash_event_t * event = (lash_event_t *)lash_event_new_with_type(LASH_Client_Name);
 294       lash_event_set_string(event, "aubio");
 295       lash_send_event(aubio_lash_client, event);
 296       pthread_create(&lash_thread, NULL, lash_thread_main, NULL);
 297     }
 298   }
 299 #endif /* LASH_SUPPORT */
 300
 301   ibuf      = new_fvec(overlap_size, channels);
 302   obuf      = new_fvec(overlap_size, channels);
 303   fftgrain  = new_cvec(buffer_size, channels);
 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   /* onsets */
 318   parms = new_aubio_peakpicker(threshold);
 319   o = new_aubio_onsetdetection(type_onset,buffer_size,channels);
 320   onset = new_fvec(1, channels);
 321   if (usedoubled)    {
 322     o2 = new_aubio_onsetdetection(type_onset2,buffer_size,channels);
 323     onset2 = new_fvec(1 , channels);
 324   }
 325
 326 }
 327
 328
 329 void examples_common_del(void){
 330   if (usepitch) {
 331           send_noteon(curnote,0);
 332           del_aubio_pitchdetection(pitchdet);
 333           if (median) {
 334                   del_fvec(note_buffer);
 335                   del_fvec(note_buffer2);
 336           }
 337   }
 338   if (usedoubled)    {
 339     del_aubio_onsetdetection(o2);
 340     del_fvec(onset2);
 341   }
 342   del_aubio_onsetdetection(o);
 343   del_aubio_peakpicker(parms);
 344   del_aubio_pvoc(pv);
 345   del_fvec(obuf);
 346   del_fvec(ibuf);
 347   del_cvec(fftgrain);
 348   del_fvec(onset);
 349   del_fvec(woodblock);
 350   aubio_cleanup();
 351 }
 352
 353 void examples_common_process(aubio_process_func_t process_func, aubio_print_func_t print ){
 354   if(usejack) {
 355 #if JACK_SUPPORT
 356     aubio_jack_t * jack_setup;
 357     debug("Jack init ...\n");
 358     jack_setup = new_aubio_jack(channels, channels,
 359           (aubio_process_func_t)process_func);
 360     if (usepitch) {
 361             debug("Midi init ...\n");
 362             mplay = new_aubio_midi_player();
 363             mdriver = new_aubio_midi_driver("alsa_seq",
 364                             (handle_midi_event_func_t)aubio_midi_send_event, mplay);
 365             event = new_aubio_midi_event();
 366     }
 367     debug("Jack activation ...\n");
 368     aubio_jack_activate(jack_setup);
 369     debug("Processing (Ctrl+C to quit) ...\n");
 370     pause();
 371     aubio_jack_close(jack_setup);
 372     if (usepitch) {
 373             send_noteon(curnote,0);
 374             del_aubio_midi_driver(mdriver);
 375     }
 376 #else
 377     usage(stderr, 1);
 378     outmsg("Compiled without jack output, exiting.\n");
 379 #endif
 380
 381   } else {
 382     /* phasevoc */
 383     debug("Processing ...\n");
 384
 385     frames = 0;
 386
 387     while ((signed)overlap_size == aubio_sndfile_read(file, overlap_size, ibuf))
 388     {
 389       isonset=0;
 390       process_func(ibuf->data, obuf->data, overlap_size);
 391       print();
 392       if (output_filename != NULL) {
 393         aubio_sndfile_write(fileout,overlap_size,obuf);
 394       }
 395       frames++;
 396     }
 397
 398     debug("Processed %d frames of %d samples.\n", frames, buffer_size);
 399
 400     flush_process(process_func, print);
 401     del_aubio_sndfile(file);
 402
 403     if (output_filename != NULL)
 404       del_aubio_sndfile(fileout);
 405
 406   }
 407 }
 408
 409 void flush_process(aubio_process_func_t process_func, aubio_print_func_t print){
 410   uint i,j;
 411   for (i = 0; i < channels; i++) {
 412     for (j = 0; j < obuf->length; j++) {
 413       fvec_write_sample(obuf,0.,i,j);
 414     }
 415   }
 416   for (i = 0; (signed)i < frames_delay; i++) {
 417     process_func(ibuf->data, obuf->data, overlap_size);
 418     print();
 419   }
 420 }
 421
 422
 423 void send_noteon(int pitch, int velo)
 424 {
 425     smpl_t mpitch = floor(aubio_freqtomidi(pitch)+.5);
 426     /* we should check if we use midi here, not jack */
 427 #if ALSA_SUPPORT
 428     if (usejack) {
 429         if (velo==0) {
 430             aubio_midi_event_set_type(event,NOTE_OFF);
 431         } else {
 432             aubio_midi_event_set_type(event,NOTE_ON);
 433         }
 434         aubio_midi_event_set_channel(event,0);
 435         aubio_midi_event_set_pitch(event,mpitch);
 436         aubio_midi_event_set_velocity(event,velo);
 437         aubio_midi_direct_output(mdriver,event);
 438     } else
 439 #endif
 440     if (!verbose)
 441     {
 442         if (velo==0) {
 443             outmsg("%f\n",frames*overlap_size/(float)samplerate);
 444         } else {
 445             outmsg("%f\t%f\t", mpitch,
 446                         frames*overlap_size/(float)samplerate);
 447         }
 448     }
 449 }
 450
 451
 452 void note_append(fvec_t * note_buffer, smpl_t curnote) {
 453   uint_t i = 0;
 454   for (i = 0; i < note_buffer->length - 1; i++) {
 455       note_buffer->data[0][i] = note_buffer->data[0][i+1];
 456   }
 457   note_buffer->data[0][note_buffer->length - 1] = curnote;
 458   return;
 459 }
 460
 461 uint_t get_note(fvec_t *note_buffer, fvec_t *note_buffer2){
 462   uint_t i = 0;
 463   for (i = 0; i < note_buffer->length; i++) {
 464       note_buffer2->data[0][i] = note_buffer->data[0][i];
 465   }
 466   return vec_median(note_buffer2);
 467 }
 468
 469 #if LASH_SUPPORT
 470
 471 void * lash_thread_main(void *data __attribute__((unused)))
 472 {
 473         printf("LASH thread running\n");
 474
 475         while (!lash_main())
 476                 usleep(1000);
 477
 478         printf("LASH thread finished\n");
 479         return NULL;
 480 }
 481
 482 int lash_main(void) {
 483         lash_event_t *lash_event;
 484         lash_config_t *lash_config;
 485
 486         while ((lash_event = lash_get_event(aubio_lash_client))) {
 487                 switch (lash_event_get_type(lash_event)) {
 488                 case LASH_Quit:
 489                         lash_event_destroy(lash_event);
 490       exit(1);
 491       return 1;
 492                 case LASH_Restore_Data_Set:
 493                         lash_send_event(aubio_lash_client, lash_event);
 494                         break;
 495                 case LASH_Save_Data_Set:
 496                         save_data();
 497                         lash_send_event(aubio_lash_client, lash_event);
 498                         break;
 499                 case LASH_Server_Lost:
 500                         return 1;
 501                 default:
 502                         printf("%s: received unknown LASH event of type %d",
 503                                    __FUNCTION__, lash_event_get_type(lash_event));
 504                         lash_event_destroy(lash_event);
 505       break;
 506                 }
 507         }
 508
 509         while ((lash_config = lash_get_config(aubio_lash_client))) {
 510                 restore_data(lash_config);
 511                 lash_config_destroy(lash_config);
 512         }
 513
 514         return 0;
 515 }
 516
 517 void save_data() {
 518         lash_config_t *lash_config;
 519
 520         lash_config = lash_config_new_with_key("threshold");
 521         lash_config_set_value_double(lash_config, threshold);
 522         lash_send_config(aubio_lash_client, lash_config);
 523
 524 }
 525
 526 void restore_data(lash_config_t * lash_config) {
 527         const char *lash_key;
 528
 529         lash_key = lash_config_get_key(lash_config);
 530
 531         if (strcmp(lash_key, "threshold") == 0) {
 532                 threshold = lash_config_get_value_double(lash_config);
 533                 return;
 534         }
 535
 536 }
 537
 538 #endif /* LASH_SUPPORT */
 539