12 #include <math.h> /* for isfinite */
15 /* not supported yet */
17 #include <ladcca/ladcca.h>
18 cca_client_t * aubio_cca_client;
19 #endif /* LADCCA_SUPPORT */
22 const char * output_filename = NULL;
23 const char * input_filename = NULL;
24 const char * onset_filename = "/usr/share/sounds/aubio/woodblock.aiff";
31 /* energy,specdiff,hfc,complexdomain,phase */
32 aubio_onsetdetection_type type_onset = hfc;
33 aubio_onsetdetection_type type_onset2 = complexdomain;
34 smpl_t threshold = 0.3;
35 smpl_t threshold2 = -90.;
36 uint_t buffer_size = 1024;
37 uint_t overlap_size = 512;
39 uint_t samplerate = 44100;
42 aubio_file_t * file = NULL;
43 aubio_file_t * fileout = NULL;
50 aubio_onsetdetection_t *o;
51 aubio_onsetdetection_t *o2;
55 aubio_pickpeak_t * parms;
60 aubio_pitchdetection_t * pitchdet;
61 aubio_pitchdetection_type mode = yin; // mcomb
64 fvec_t * note_buffer = NULL;
65 fvec_t * note_buffer2 = NULL;
70 aubio_midi_player_t * mplay;
71 aubio_midi_driver_t * mdriver;
72 aubio_midi_event_t * event;
80 /* badly redeclare some things */
81 aubio_onsetdetection_type type_onset;
84 const char * prog_name;
86 void usage (FILE * stream, int exit_code)
88 fprintf(stream, "usage: %s [ options ] \n", prog_name);
90 " -j --jack Use Jack.\n"
91 " -o --output Output type.\n"
92 " -i --input Input type.\n"
93 " -h --help Display this message.\n"
94 " -v --verbose Print verbose message.\n"
99 int parse_args (int argc, char **argv) {
100 const char *options = "hvjo:i:O:t:a";
102 struct option long_options[] =
104 {"help", 0, NULL, 'h'},
105 {"verbose", 0, NULL, 'v'},
106 {"jack", 0, NULL, 'j'},
107 {"output", 0, NULL, 'o'},
108 {"input", 0, NULL, 'i'},
109 {"onset", 0, NULL, 'O'},
110 {"threshold", 0, NULL, 't'},
111 {"averaging", 0, NULL, 'a'},
120 next_option = getopt_long (argc, argv, options,
122 switch (next_option) {
124 output_filename = optarg;
127 input_filename = optarg;
132 case 'v': /* verbose */
135 case 'j': /* verbose */
138 case 'O': /*onset type*/
139 if (strcmp(optarg,"energy") == 0)
141 else if (strcmp(optarg,"specdiff") == 0)
142 type_onset = specdiff;
143 else if (strcmp(optarg,"hfc") == 0)
145 else if (strcmp(optarg,"complexdomain") == 0)
146 type_onset = complexdomain;
147 else if (strcmp(optarg,"phase") == 0)
150 debug("could not get onset type.\n");
155 case 't': /* threshold value for onset */
156 threshold = (smpl_t)atof(optarg);
158 if (!isfinite(threshold)) {
159 debug("could not get threshold.\n");
167 case '?': /* unknown options */
170 case -1: /* done with options */
172 default: /*something else unexpected */
176 while (next_option != -1);
178 if (input_filename != NULL) {
179 debug ("Input file : %s\n", input_filename );
180 } else if (input_filename != NULL && output_filename != NULL) {
181 debug ("Input file : %s\n", input_filename );
182 debug ("Output file : %s\n", output_filename );
186 debug ("Jack input output\n");
189 debug ("Error: Could not switch to jack mode\n aubio was compiled without jack support\n");
196 void examples_common_init(int argc,char ** argv) {
199 aubio_file_t * onsetfile = new_file_ro(onset_filename);
200 /* parse command line arguments */
201 parse_args(argc, argv);
205 debug("Opening files ...\n");
206 file = new_file_ro (input_filename);
207 if (verbose) file_info(file);
208 channels = aubio_file_channels(file);
209 samplerate = aubio_file_samplerate(file);
210 if (output_filename != NULL)
211 fileout = new_file_wo(file, output_filename);
214 ibuf = new_fvec(overlap_size, channels);
215 obuf = new_fvec(overlap_size, channels);
216 woodblock = new_fvec(buffer_size,1);
217 fftgrain = new_cvec(buffer_size, channels);
220 pitchdet = new_aubio_pitchdetection(buffer_size*4, overlap_size, channels, samplerate, mode, freq);
223 note_buffer = new_fvec(median, 1);
224 note_buffer2= new_fvec(median, 1);
227 /* read the output sound once */
228 file_read(onsetfile, overlap_size, woodblock);
230 pv = new_aubio_pvoc(buffer_size, overlap_size, channels);
232 parms = new_aubio_peakpicker(threshold);
233 o = new_aubio_onsetdetection(type_onset,buffer_size,channels);
234 onset = new_fvec(1, channels);
236 o2 = new_aubio_onsetdetection(type_onset2,buffer_size,channels);
237 onset2 = new_fvec(1 , channels);
243 void examples_common_del(void){
245 send_noteon(curnote,0);
246 del_aubio_pitchdetection(pitchdet);
248 del_fvec(note_buffer);
249 del_fvec(note_buffer2);
259 void examples_common_process(aubio_process_func_t process_func, aubio_print_func_t print ){
262 aubio_jack_t * jack_setup;
263 debug("Jack init ...\n");
264 jack_setup = new_aubio_jack(channels, channels,
265 (aubio_process_func_t)process_func);
267 debug("Midi init ...\n");
268 mplay = new_aubio_midi_player();
269 mdriver = new_aubio_midi_driver("alsa_seq",
270 (handle_midi_event_func_t)aubio_midi_send_event, mplay);
271 event = new_aubio_midi_event();
273 debug("Jack activation ...\n");
274 aubio_jack_activate(jack_setup);
275 debug("Processing (Ctrl+C to quit) ...\n");
277 aubio_jack_close(jack_setup);
279 send_noteon(curnote,0);
280 del_aubio_midi_driver(mdriver);
284 outmsg("Compiled without jack output, exiting.\n");
289 debug("Processing ...\n");
293 while (overlap_size == file_read(file, overlap_size, ibuf))
296 process_func(ibuf->data, obuf->data, overlap_size);
298 if (output_filename != NULL) {
299 file_write(fileout,overlap_size,obuf);
304 debug("Processed %d frames of %d samples.\n", frames, buffer_size);
307 if (output_filename != NULL)
315 void send_noteon(int pitch, int velo)
317 smpl_t mpitch = (FLOOR)(freqtomidi(pitch)+.5);
318 /* we should check if we use midi here, not jack */
322 aubio_midi_event_set_type(event,NOTE_OFF);
324 aubio_midi_event_set_type(event,NOTE_ON);
326 aubio_midi_event_set_channel(event,0);
327 aubio_midi_event_set_pitch(event,mpitch);
328 aubio_midi_event_set_velocity(event,velo);
329 aubio_midi_direct_output(mdriver,event);
335 outmsg("%f\n",frames*overlap_size/(float)samplerate);
337 outmsg("%f\t%f\t", mpitch,
338 frames*overlap_size/(float)samplerate);
344 void note_append(fvec_t * note_buffer, smpl_t curnote) {
346 for (i = 0; i < note_buffer->length - 1; i++) {
347 note_buffer->data[0][i] = note_buffer->data[0][i+1];
349 note_buffer->data[0][note_buffer->length - 1] = curnote;
353 uint_t get_note(fvec_t *note_buffer, fvec_t *note_buffer2){
355 for (i = 0; i < note_buffer->length; i++) {
356 note_buffer2->data[0][i] = note_buffer->data[0][i];
358 return vec_median(note_buffer2);