2 Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
4 This file is part of aubio.
6 aubio is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 aubio is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with aubio. If not, see <http://www.gnu.org/licenses/>.
26 #include <math.h> /* for isfinite */
27 #include <string.h> /* for strcmp */
31 #ifdef HAVE_C99_VARARGS_MACROS
32 #define debug(...) if (verbose) fprintf (stderr, __VA_ARGS__)
33 #define errmsg(...) fprintf (stderr, __VA_ARGS__)
34 #define outmsg(...) fprintf (stdout, __VA_ARGS__)
36 #define debug(format, args...) if (verbose) fprintf(stderr, format , ##args)
37 #define errmsg(format, args...) fprintf(stderr, format , ##args)
38 #define outmsg(format, args...) fprintf(stdout, format , ##args)
45 extern int usedoubled;
46 extern int frames_delay;
47 extern unsigned int median;
48 extern const char *output_filename;
49 extern const char *input_filename;
50 /* defined in utils.c */
51 void usage (FILE * stream, int exit_code);
52 int parse_args (int argc, char **argv);
53 void examples_common_init (int argc, char **argv);
54 void examples_common_del (void);
55 typedef void (aubio_print_func_t) (void);
57 typedef int (*aubio_process_func_t)
58 (smpl_t ** input, smpl_t ** output, int nframes);
60 void examples_common_process (aubio_process_func_t process_func,
61 aubio_print_func_t print);
62 void flush_process (aubio_process_func_t process_func,
63 aubio_print_func_t print);
66 void send_noteon (int pitch, int velo);
67 /** append new note candidate to the note_buffer and return filtered value. we
68 * need to copy the input array as vec_median destroy its input data.*/
69 void note_append (fvec_t * note_buffer, smpl_t curnote);
70 uint_t get_note (fvec_t * note_buffer, fvec_t * note_buffer2);
72 extern const char *output_filename;
73 extern const char *input_filename;
74 extern const char *onset_filename;
77 extern int usedoubled;
80 /* energy,specdiff,hfc,complexdomain,phase */
81 extern aubio_onsetdetection_type type_onset;
82 extern aubio_onsetdetection_type type_onset2;
83 extern smpl_t threshold;
84 extern smpl_t silence;
85 extern uint_t buffer_size;
86 extern uint_t overlap_size;
87 extern uint_t channels;
88 extern uint_t samplerate;
91 extern aubio_sndfile_t *file;
92 extern aubio_sndfile_t *fileout;
94 extern aubio_pvoc_t *pv;
97 extern cvec_t *fftgrain;
98 extern fvec_t *woodblock;
99 extern aubio_onsetdetection_t *o;
100 extern aubio_onsetdetection_t *o2;
101 extern fvec_t *onset;
102 extern fvec_t *onset2;
104 extern aubio_pickpeak_t *parms;
109 extern aubio_pitchdetection_t *pitchdet;
110 extern aubio_pitchdetection_type mode;
111 extern uint_t median;
113 extern fvec_t *note_buffer;
114 extern fvec_t *note_buffer2;
115 extern smpl_t curlevel;
116 extern smpl_t maxonset;
118 extern smpl_t curnote;
119 extern smpl_t newnote;
120 extern uint_t isready;
122 /* per example param */
123 extern uint_t usepitch;