2 Copyright (C) 2007 Amaury Hazan
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 unsigned int pos = 0; /*frames%dspblocksize*/
24 int aubio_process(float **input, float **output, int nframes);
25 int aubio_process(float **input, float **output, int nframes) {
26 unsigned int i; /*channels*/
27 unsigned int j; /*frames*/
28 for (j=0;j<(unsigned)nframes;j++) {
30 for (i=0;i<channels;i++) {
31 /* write input to datanew */
32 fvec_write_sample(ibuf, input[i][j], i, pos);
33 /* put synthnew in output */
34 output[i][j] = fvec_read_sample(obuf, i, pos);
38 if (pos == overlap_size-1) {
41 //compute mag spectrum
42 aubio_pvoc_do (pv,ibuf, fftgrain);
44 //TODO: extract Magnitude buffer f_fvec from fftgrain cvec
47 aubio_mffc_do (magbuf, nframes, filterbank, outbuf);
51 /* end of block loop */
52 pos = -1; /* so it will be zero next j loop */
59 void process_print (void);
60 void process_print (void) {
61 /* output times in seconds
65 if (output_filename == NULL) {
67 outmsg("%f\n",(frames-4)*overlap_size/(float)samplerate);
68 } else if (frames < 4) {
74 int main(int argc, char **argv) {
75 examples_common_init(argc,argv);
76 examples_common_process(aubio_process,process_print);
77 examples_common_del();
78 debug("End of program.\n");