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 threshold2                     = -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                                 threshold2 = (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   }
 257   if (onsetfile) {
 258           /* read the output sound once */
 259           aubio_sndfile_read(onsetfile, overlap_size, woodblock);
 260   }
 261
 262   if(!usejack)
 263   {
 264     debug("Opening files ...\n");
 265     file = new_aubio_sndfile_ro (input_filename);
 266     if (verbose) aubio_sndfile_info(file);
 267     channels = aubio_sndfile_channels(file);
 268     samplerate = aubio_sndfile_samplerate(file);
 269     if (output_filename != NULL)
 270       fileout = new_aubio_sndfile_wo(file, output_filename);
 271   }
 272 #ifdef LASH_SUPPORT
 273   else {
 274     aubio_lash_client = lash_init(lash_args, argv[0],
 275         LASH_Config_Data_Set | LASH_Terminal,
 276         LASH_PROTOCOL(2, 0));
 277     if (!aubio_lash_client) {
 278       fprintf(stderr, "%s: could not initialise lash\n", __FUNCTION__);
 279     }
 280     /* tell the lash server our client id */
 281     if (lash_enabled(aubio_lash_client)) {
 282       lash_event_t * event = (lash_event_t *)lash_event_new_with_type(LASH_Client_Name);
 283       lash_event_set_string(event, "aubio");
 284       lash_send_event(aubio_lash_client, event);
 285       pthread_create(&lash_thread, NULL, lash_thread_main, NULL);
 286     }
 287   }
 288 #endif /* LASH_SUPPORT */
 289
 290   ibuf      = new_fvec(overlap_size, channels);
 291   obuf      = new_fvec(overlap_size, channels);
 292   fftgrain  = new_cvec(buffer_size, channels);
 293
 294   if (usepitch) {
 295     pitchdet = new_aubio_pitchdetection(buffer_size*4,
 296         overlap_size, channels, samplerate, type_pitch, mode_pitch);
 297     aubio_pitchdetection_set_yinthresh(pitchdet, 0.7);
 298
 299     if (median) {
 300       note_buffer = new_fvec(median, 1);
 301       note_buffer2= new_fvec(median, 1);
 302     }
 303   }
 304   /* phase vocoder */
 305   pv = new_aubio_pvoc(buffer_size, overlap_size, channels);
 306   /* onsets */
 307   parms = new_aubio_peakpicker(threshold);
 308   o = new_aubio_onsetdetection(type_onset,buffer_size,channels);
 309   onset = new_fvec(1, channels);
 310   if (usedoubled)    {
 311     o2 = new_aubio_onsetdetection(type_onset2,buffer_size,channels);
 312     onset2 = new_fvec(1 , channels);
 313   }
 314
 315 }
 316
 317
 318 void examples_common_del(void){
 319   if (usepitch) {
 320           send_noteon(curnote,0);
 321           del_aubio_pitchdetection(pitchdet);
 322           if (median) {
 323                   del_fvec(note_buffer);
 324                   del_fvec(note_buffer2);
 325           }
 326   }
 327   del_aubio_pvoc(pv);
 328   del_fvec(obuf);
 329   del_fvec(ibuf);
 330   del_cvec(fftgrain);
 331   del_fvec(onset);
 332 }
 333
 334 void examples_common_process(aubio_process_func_t process_func, aubio_print_func_t print ){
 335   if(usejack) {
 336 #if JACK_SUPPORT
 337     aubio_jack_t * jack_setup;
 338     debug("Jack init ...\n");
 339     jack_setup = new_aubio_jack(channels, channels,
 340           (aubio_process_func_t)process_func);
 341     if (usepitch) {
 342             debug("Midi init ...\n");
 343             mplay = new_aubio_midi_player();
 344             mdriver = new_aubio_midi_driver("alsa_seq",
 345                             (handle_midi_event_func_t)aubio_midi_send_event, mplay);
 346             event = new_aubio_midi_event();
 347     }
 348     debug("Jack activation ...\n");
 349     aubio_jack_activate(jack_setup);
 350     debug("Processing (Ctrl+C to quit) ...\n");
 351     pause();
 352     aubio_jack_close(jack_setup);
 353     if (usepitch) {
 354             send_noteon(curnote,0);
 355             del_aubio_midi_driver(mdriver);
 356     }
 357 #else
 358     usage(stderr, 1);
 359     outmsg("Compiled without jack output, exiting.\n");
 360 #endif
 361
 362   } else {
 363     /* phasevoc */
 364     debug("Processing ...\n");
 365
 366     frames = 0;
 367
 368     while ((signed)overlap_size == aubio_sndfile_read(file, overlap_size, ibuf))
 369     {
 370       isonset=0;
 371       process_func(ibuf->data, obuf->data, overlap_size);
 372       print();
 373       if (output_filename != NULL) {
 374         aubio_sndfile_write(fileout,overlap_size,obuf);
 375       }
 376       frames++;
 377     }
 378
 379     debug("Processed %d frames of %d samples.\n", frames, buffer_size);
 380     del_aubio_sndfile(file);
 381
 382     if (output_filename != NULL)
 383       del_aubio_sndfile(fileout);
 384
 385   }
 386 }
 387
 388
 389
 390 void send_noteon(int pitch, int velo)
 391 {
 392     smpl_t mpitch = (FLOOR)(aubio_freqtomidi(pitch)+.5);
 393     /* we should check if we use midi here, not jack */
 394 #if ALSA_SUPPORT
 395     if (usejack) {
 396         if (velo==0) {
 397             aubio_midi_event_set_type(event,NOTE_OFF);
 398         } else {
 399             aubio_midi_event_set_type(event,NOTE_ON);
 400         }
 401         aubio_midi_event_set_channel(event,0);
 402         aubio_midi_event_set_pitch(event,mpitch);
 403         aubio_midi_event_set_velocity(event,velo);
 404         aubio_midi_direct_output(mdriver,event);
 405     } else
 406 #endif
 407     if (!verbose)
 408     {
 409         if (velo==0) {
 410             outmsg("%f\n",frames*overlap_size/(float)samplerate);
 411         } else {
 412             outmsg("%f\t%f\t", mpitch,
 413                         frames*overlap_size/(float)samplerate);
 414         }
 415     }
 416 }
 417
 418
 419 void note_append(fvec_t * note_buffer, smpl_t curnote) {
 420   uint_t i = 0;
 421   for (i = 0; i < note_buffer->length - 1; i++) {
 422       note_buffer->data[0][i] = note_buffer->data[0][i+1];
 423   }
 424   note_buffer->data[0][note_buffer->length - 1] = curnote;
 425   return;
 426 }
 427
 428 uint_t get_note(fvec_t *note_buffer, fvec_t *note_buffer2){
 429   uint_t i = 0;
 430   for (i = 0; i < note_buffer->length; i++) {
 431       note_buffer2->data[0][i] = note_buffer->data[0][i];
 432   }
 433   return vec_median(note_buffer2);
 434 }
 435
 436 #if LASH_SUPPORT
 437
 438 void * lash_thread_main(void *data)
 439 {
 440         printf("LASH thread running\n");
 441
 442         while (!lash_main())
 443                 usleep(1000);
 444
 445         printf("LASH thread finished\n");
 446         return NULL;
 447 }
 448
 449 int lash_main(void) {
 450         lash_event_t *lash_event;
 451         lash_config_t *lash_config;
 452
 453         while ((lash_event = lash_get_event(aubio_lash_client))) {
 454                 switch (lash_event_get_type(lash_event)) {
 455                 case LASH_Quit:
 456                         lash_event_destroy(lash_event);
 457       exit(1);
 458       return 1;
 459                 case LASH_Restore_Data_Set:
 460                         lash_send_event(aubio_lash_client, lash_event);
 461                         break;
 462                 case LASH_Save_Data_Set:
 463                         save_data();
 464                         lash_send_event(aubio_lash_client, lash_event);
 465                         break;
 466                 case LASH_Server_Lost:
 467                         return 1;
 468                 default:
 469                         printf("%s: received unknown LASH event of type %d",
 470                                    __FUNCTION__, lash_event_get_type(lash_event));
 471                         lash_event_destroy(lash_event);
 472       break;
 473                 }
 474         }
 475
 476         while ((lash_config = lash_get_config(aubio_lash_client))) {
 477                 restore_data(lash_config);
 478                 lash_config_destroy(lash_config);
 479         }
 480
 481         return 0;
 482 }
 483
 484 void save_data() {
 485         lash_config_t *lash_config;
 486
 487         lash_config = lash_config_new_with_key("threshold");
 488         lash_config_set_value_double(lash_config, threshold);
 489         lash_send_config(aubio_lash_client, lash_config);
 490
 491 }
 492
 493 void restore_data(lash_config_t * lash_config) {
 494         const char *lash_key;
 495
 496         lash_key = lash_config_get_key(lash_config);
 497
 498         if (strcmp(lash_key, "threshold") == 0) {
 499                 threshold = lash_config_get_value_double(lash_config);
 500                 return;
 501         }
 502
 503 }
 504
 505 #endif /* LASH_SUPPORT */
 506