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