2 Copyright (C) 2003-2013 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/>.
24 extern char_t *source_uri;
25 extern char_t *sink_uri;
27 extern uint_t samplerate;
28 extern uint_t buffer_size;
29 extern uint_t hop_size;
31 extern char_t * onset_method;
32 extern smpl_t onset_threshold;
34 extern char_t * pitch_method;
35 extern char_t * pitch_unit;
36 extern smpl_t pitch_tolerance;
38 extern char_t * tempo_method;
40 extern smpl_t silence_threshold;
41 extern uint_t mix_input;
43 extern uint_t force_overwrite;
45 // functions defined in utils.c
46 extern void examples_common_init (int argc, char **argv);
47 extern void examples_common_del (void);
48 extern void examples_common_process (aubio_process_func_t process_func,
49 aubio_print_func_t print);
50 int parse_args (int argc, char **argv);
58 const char *prog_name;
60 void usage (FILE * stream, int exit_code);
62 void usage (FILE * stream, int exit_code)
64 fprintf (stream, "usage: %s [ options ] \n", prog_name);
66 " -i --input input file\n"
67 #ifdef PROG_HAS_OUTPUT
68 " -o --output output file\n"
70 " -r --samplerate select samplerate\n"
71 " use 0 to use input source samplerate, or 32000 to force 32kHz\n"
72 " -B --bufsize set buffer size\n"
73 " number of frames to run the analysis on\n"
74 " -H --hopsize set hopsize\n"
75 " number of frames to read from source before each analysis\n"
77 " -O --onset select onset detection algorithm\n"
78 " <default|energy|hfc|complex|phase|specdiff|kl|mkl|specflux>;\n"
80 " -t --onset-threshold set onset detection threshold\n"
81 " a value between 0.1 (more detections) and 1 (less); default=0.3\n"
82 #endif /* PROG_HAS_ONSET */
84 " -p --pitch select pitch detection algorithm\n"
85 " <default|yinfft|yin|mcomb|fcomb|schmitt>; default=yinfft\n"
86 " -u --pitch-unit select pitch output unit\n"
87 " <default|freq|hertz|Hz|midi|cent|bin>; default=freq\n"
88 " -l --pitch-tolerance select pitch tolerance\n"
89 " (yin, yinfft only) a value between 0.1 and 0.7; default=0.3\n"
90 #endif /* PROG_HAS_PITCH */
91 " -s --silence select silence threshold\n"
92 " a value in dB, for instance -70, or -100; default=-90\n"
93 #ifdef PROG_HAS_OUTPUT
94 " -m --mix-input mix input signal with output signal\n"
95 " input signal will be added to output synthesis\n"
96 " -f --force-overwrite overwrite output file if needed\n"
97 " do not fail if output file already exists\n"
100 " -j --jack use Jack\n"
102 " -v --verbose be verbose\n"
103 " -h --help display this message\n"
109 parse_args (int argc, char **argv)
111 const char *options = "hv"
115 #endif /* PROG_HAS_JACK */
116 #ifdef PROG_HAS_OUTPUT
118 #endif /* PROG_HAS_OUTPUT */
119 #ifdef PROG_HAS_ONSET
121 #endif /* PROG_HAS_ONSET */
122 #ifdef PROG_HAS_PITCH
124 #endif /* PROG_HAS_PITCH */
127 struct option long_options[] = {
128 {"help", 0, NULL, 'h'},
129 {"verbose", 0, NULL, 'v'},
130 {"input", 1, NULL, 'i'},
131 {"samplerate", 1, NULL, 'r'},
132 {"bufsize", 1, NULL, 'B'},
133 {"hopsize", 1, NULL, 'H'},
135 {"jack", 0, NULL, 'j'},
136 #endif /* PROG_HAS_JACK */
137 #ifdef PROG_HAS_OUTPUT
138 {"output", 1, NULL, 'o'},
139 #endif /* PROG_HAS_OUTPUT */
140 #ifdef PROG_HAS_ONSET
141 {"onset", 1, NULL, 'O'},
142 {"onset-threshold", 1, NULL, 't'},
143 #endif /* PROG_HAS_ONSET */
144 #ifdef PROG_HAS_PITCH
145 {"pitch", 1, NULL, 'p'},
146 {"pitch-unit", 1, NULL, 'u'},
147 {"pitch-tolerance", 1, NULL, 'l'},
148 #endif /* PROG_HAS_PITCH */
149 {"silence", 1, NULL, 's'},
150 {"mix-input", 0, NULL, 'm'},
151 {"force-overwrite", 0, NULL, 'f'},
160 next_option = getopt_long (argc, argv, options, long_options, NULL);
161 switch (next_option) {
165 case 'v': /* verbose */
177 case 'f': /* force_overwrite flag */
181 samplerate = atoi (optarg);
184 buffer_size = atoi (optarg);
187 hop_size = atoi (optarg);
189 case 'O': /*onset method */
190 onset_method = optarg;
192 case 't': /* threshold value for onset */
193 onset_threshold = (smpl_t) atof (optarg);
196 pitch_method = optarg;
202 pitch_tolerance = (smpl_t) atof (optarg);
204 case 's': /* silence threshold */
205 silence_threshold = (smpl_t) atof (optarg);
207 case 'm': /* mix_input flag */
210 case '?': /* unknown options */
213 case -1: /* done with options */
215 default: /*something else unexpected */
216 fprintf (stderr, "Error parsing option '%c'\n", next_option);
220 while (next_option != -1);
222 // if unique, use the non option argument as the source
223 if ( source_uri == NULL ) {
224 if (argc - optind == 1) {
225 source_uri = argv[optind];
226 } else if ( argc - optind > 1 ) {
227 errmsg ("Error: too many non-option arguments `%s'\n", argv[argc - 1]);
230 } else if ( argc - optind > 0 ) {
231 errmsg ("Error: extra non-option argument %s\n", argv[optind]);
235 // if no source, show a message
236 if (source_uri == NULL) {
239 verbmsg("No input source given, using jack\n");
242 errmsg("Error: no arguments given (and no available audio input)\n");
244 #endif /* HAVE_JACK */
246 errmsg("Error: no arguments given\n");
248 #endif /* PROG_HAS_JACK */
251 if ((sint_t)hop_size < 1) {
252 errmsg("Error: got hop_size %d, but can not be < 1\n", hop_size);
254 } else if ((sint_t)buffer_size < 2) {
255 errmsg("Error: got buffer_size %d, but can not be < 2\n", buffer_size);
257 } else if ((sint_t)buffer_size < (sint_t)hop_size) {
258 errmsg("Error: hop size (%d) is larger than win size (%d)\n",
259 hop_size, buffer_size);
263 if ((sint_t)samplerate < 0) {
264 errmsg("Error: got samplerate %d, but can not be < 0\n", samplerate);