1 files changed, 76 insertions, 0 deletions
diff --git a/examples/aubiomfcc.c b/examples/aubiomfcc.c
new file mode 100644
index 0000000..d8bb910
--- /dev/null
+++ b/examples/aubiomfcc.c
@@ -0,0 +1,76 @@
+/*
+  Copyright (C) 2007-2013 Paul Brossier <piem@aubio.org>
+
+  This file is part of aubio.
+
+  aubio is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  aubio is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with aubio.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "utils.h"
+#include "parse_args.h"
+
+aubio_pvoc_t *pv;    // a phase vocoder
+cvec_t *fftgrain;    // outputs a spectrum
+aubio_mfcc_t * mfcc; // which the mfcc will process
+fvec_t * mfcc_out;   // to get the output coefficients
+
+uint_t n_filters = 40;
+uint_t n_coefs = 13;
+
+void process_block (fvec_t *ibuf, fvec_t *obuf)
+{
+  fvec_zeros(obuf);
+  //compute mag spectrum
+  aubio_pvoc_do (pv, ibuf, fftgrain);
+  //compute mfccs
+  aubio_mfcc_do(mfcc, fftgrain, mfcc_out);
+}
+
+void process_print (void)
+{
+  /* output times in selected format */
+  print_time (blocks * hop_size);
+  outmsg ("\t");
+  /* output extracted mfcc */
+  fvec_print (mfcc_out);
+}
+
+int main(int argc, char **argv) {
+  // change some default params
+  buffer_size  = 512;
+  hop_size = 256;
+
+  examples_common_init(argc,argv);
+
+  verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
+  verbmsg ("buffer_size: %d, ", buffer_size);
+  verbmsg ("hop_size: %d\n", hop_size);
+
+  pv = new_aubio_pvoc (buffer_size, hop_size);
+  fftgrain = new_cvec (buffer_size);
+  mfcc = new_aubio_mfcc(buffer_size, n_filters, n_coefs, samplerate);
+  mfcc_out = new_fvec(n_coefs);
+
+  examples_common_process((aubio_process_func_t)process_block, process_print);
+
+  del_aubio_pvoc (pv);
+  del_cvec (fftgrain);
+  del_aubio_mfcc(mfcc);
+  del_fvec(mfcc_out);
+
+  examples_common_del();
+  return 0;
+}
+