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