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aubiomfcc.c: prepare text output, rename output buffer to mfcc_out

--- a/examples/aubiomfcc.c

+++ b/examples/aubiomfcc.c

@@ -19,7 +19,7 @@

 #include "utils.h"

 /* mfcc objects */

-fvec_t * mfcc_outbuf;

+fvec_t * mfcc_out;

 aubio_mfcc_t * mfcc;

 unsigned int pos = 0; /*frames%dspblocksize*/

@@ -47,7 +47,7 @@

       aubio_pvoc_do (pv,ibuf, fftgrain);

       //compute mfccs

-      aubio_mfcc_do(mfcc, fftgrain, mfcc_outbuf);

+      aubio_mfcc_do(mfcc, fftgrain, mfcc_out);

       /* end of block loop */

       pos = -1; /* so it will be zero next j loop */

@@ -63,12 +63,18 @@

          write extracted mfccs

       */

+      uint_t filter_cnt;

       if (output_filename == NULL) {

         if(frames >= 4) {

-          outmsg("%f\n",(frames-4)*overlap_size/(float)samplerate);

+          outmsg("%f\t",(frames-4)*overlap_size/(float)samplerate);

         } else if (frames < 4) {

-          outmsg("%f\n",0.);

+          outmsg("%f\t",0.);

         }

+        outmsg("%f",mfcc_out->data[0][0]);

+        for (filter_cnt = 1; filter_cnt < mfcc_out->length; filter_cnt++) {

+          outmsg(",%f",mfcc_out->data[0][filter_cnt]);

+        }

+        outmsg("\n");

       }

 }

@@ -78,7 +84,7 @@

   smpl_t lowfreq = 500.;

   smpl_t highfreq = 2000.;

   examples_common_init(argc,argv);

-  mfcc_outbuf = new_fvec(n_filters,channels);

+  mfcc_out = new_fvec(n_filters,channels);

   //populating the filter

   mfcc = new_aubio_mfcc(buffer_size, samplerate, n_filters, lowfreq, highfreq,

@@ -92,7 +98,7 @@

   //destroying mfcc 

   del_aubio_mfcc(mfcc);

-  del_fvec(mfcc_outbuf);

+  del_fvec(mfcc_out);

   return 0;

 }

-- 

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