| 1 | /* |
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| 2 | Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org> |
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| 3 | |
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| 4 | This file is part of aubio. |
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| 5 | |
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| 6 | aubio is free software: you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation, either version 3 of the License, or |
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| 9 | (at your option) any later version. |
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| 10 | |
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| 11 | aubio is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | GNU General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with aubio. If not, see <http://www.gnu.org/licenses/>. |
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| 18 | |
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| 19 | */ |
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| 20 | |
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| 21 | #include <stdio.h> |
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| 22 | #include <stdlib.h> |
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| 23 | #include <stdarg.h> |
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| 24 | #include <getopt.h> |
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| 25 | #include <unistd.h> |
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| 26 | #include <math.h> /* for isfinite */ |
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| 27 | #include <string.h> /* for strcmp */ |
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| 28 | #include <aubio.h> |
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| 29 | #include <aubioext.h> |
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| 30 | |
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| 31 | #ifdef HAVE_C99_VARARGS_MACROS |
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| 32 | #define debug(...) if (verbose) fprintf (stderr, __VA_ARGS__) |
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| 33 | #define errmsg(...) fprintf (stderr, __VA_ARGS__) |
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| 34 | #define outmsg(...) fprintf (stdout, __VA_ARGS__) |
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| 35 | #else |
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| 36 | #define debug(format, args...) if (verbose) fprintf(stderr, format , ##args) |
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| 37 | #define errmsg(format, args...) fprintf(stderr, format , ##args) |
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| 38 | #define outmsg(format, args...) fprintf(stdout, format , ##args) |
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| 39 | #endif |
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| 40 | |
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| 41 | |
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| 42 | extern int frames; |
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| 43 | extern int verbose; |
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| 44 | extern int usejack; |
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| 45 | extern int usedoubled; |
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| 46 | extern int frames_delay; |
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| 47 | extern unsigned int median; |
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| 48 | extern const char *output_filename; |
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| 49 | extern const char *input_filename; |
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| 50 | /* defined in utils.c */ |
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| 51 | void usage (FILE * stream, int exit_code); |
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| 52 | int parse_args (int argc, char **argv); |
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| 53 | void examples_common_init (int argc, char **argv); |
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| 54 | void examples_common_del (void); |
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| 55 | typedef void (aubio_print_func_t) (void); |
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| 56 | #ifndef HAVE_JACK |
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| 57 | typedef int (*aubio_process_func_t) |
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| 58 | (smpl_t ** input, smpl_t ** output, int nframes); |
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| 59 | #endif |
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| 60 | void examples_common_process (aubio_process_func_t process_func, |
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| 61 | aubio_print_func_t print); |
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| 62 | void flush_process (aubio_process_func_t process_func, |
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| 63 | aubio_print_func_t print); |
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| 64 | |
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| 65 | |
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| 66 | void send_noteon (int pitch, int velo); |
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| 67 | /** append new note candidate to the note_buffer and return filtered value. we |
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| 68 | * need to copy the input array as fvec_median destroy its input data.*/ |
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| 69 | void note_append (fvec_t * note_buffer, smpl_t curnote); |
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| 70 | uint_t get_note (fvec_t * note_buffer, fvec_t * note_buffer2); |
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| 71 | |
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| 72 | extern const char *output_filename; |
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| 73 | extern const char *input_filename; |
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| 74 | extern const char *onset_filename; |
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| 75 | extern int verbose; |
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| 76 | extern int usejack; |
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| 77 | extern int usedoubled; |
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| 78 | |
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| 79 | |
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| 80 | /* energy,specdiff,hfc,complexdomain,phase */ |
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| 81 | extern aubio_onsetdetection_type type_onset; |
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| 82 | extern aubio_onsetdetection_type type_onset2; |
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| 83 | extern smpl_t threshold; |
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| 84 | extern smpl_t silence; |
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| 85 | extern uint_t buffer_size; |
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| 86 | extern uint_t overlap_size; |
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| 87 | extern uint_t channels; |
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| 88 | extern uint_t samplerate; |
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| 89 | |
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| 90 | |
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| 91 | extern aubio_sndfile_t *file; |
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| 92 | extern aubio_sndfile_t *fileout; |
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| 93 | |
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| 94 | extern aubio_pvoc_t *pv; |
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| 95 | extern fvec_t *ibuf; |
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| 96 | extern fvec_t *obuf; |
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| 97 | extern fvec_t *pitch_obuf; |
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| 98 | extern cvec_t *fftgrain; |
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| 99 | extern fvec_t *woodblock; |
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| 100 | extern aubio_onsetdetection_t *o; |
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| 101 | extern aubio_onsetdetection_t *o2; |
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| 102 | extern fvec_t *onset; |
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| 103 | extern fvec_t *onset2; |
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| 104 | extern smpl_t isonset; |
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| 105 | extern aubio_peakpicker_t *parms; |
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| 106 | |
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| 107 | |
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| 108 | /* pitch objects */ |
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| 109 | extern smpl_t pitch; |
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| 110 | extern aubio_pitchdetection_t *pitchdet; |
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| 111 | extern aubio_pitchdetection_type mode; |
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| 112 | extern uint_t median; |
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| 113 | |
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| 114 | extern fvec_t *note_buffer; |
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| 115 | extern fvec_t *note_buffer2; |
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| 116 | extern smpl_t curlevel; |
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| 117 | extern smpl_t maxonset; |
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| 118 | |
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| 119 | extern smpl_t curnote; |
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| 120 | extern smpl_t newnote; |
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| 121 | extern uint_t isready; |
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| 122 | |
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| 123 | /* per example param */ |
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| 124 | extern uint_t usepitch; |
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