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examples/: build with -Wmissing-declarations

--- a/examples/aubiomfcc.c

+++ b/examples/aubiomfcc.c

@@ -29,8 +29,8 @@

 uint_t n_filters = 40;

 uint_t n_coefs = 13;

-static void

-process_block(fvec_t *ibuf, fvec_t *obuf) {

+void process_block (fvec_t *ibuf, fvec_t *obuf)

+{

   fvec_zeros(obuf);

   //compute mag spectrum

   aubio_pvoc_do (pv, ibuf, fftgrain);

@@ -38,7 +38,8 @@

   aubio_mfcc_do(mfcc, fftgrain, mfcc_out);

 }

-static void process_print (void) {

+void process_print (void)

+{

   /* output times in seconds and extracted mfccs */

   outmsg("%f\t",blocks*hop_size/(float)samplerate);

   fvec_print(mfcc_out);

--- a/examples/aubionotes.c

+++ b/examples/aubionotes.c

@@ -45,8 +45,8 @@

 void note_append (fvec_t * note_buffer, smpl_t curnote);

 uint_t get_note (fvec_t * note_buffer, fvec_t * note_buffer2);

-static void

-process_block(fvec_t *ibuf, fvec_t *obuf) {

+void process_block (fvec_t *ibuf, fvec_t *obuf)

+{

   fvec_zeros(obuf);

   aubio_onset_do(o, ibuf, onset);

@@ -94,8 +94,8 @@

   }

 }

-static void

-process_print (void) {

+void process_print (void)

+{

   //if (verbose) outmsg("%f\n",pitch_obuf->data[0]);

 }

--- a/examples/aubioonset.c

+++ b/examples/aubioonset.c

@@ -29,8 +29,8 @@

 fvec_t *onset;

 smpl_t is_onset;

-void

-process_block(fvec_t *ibuf, fvec_t *obuf) {

+void process_block(fvec_t *ibuf, fvec_t *obuf)

+{

   aubio_onset_do (o, ibuf, onset);

   is_onset = fvec_get_sample(onset, 0);

   if ( !usejack && ! sink_uri ) return;

@@ -46,8 +46,7 @@

     aubio_wavetable_do (wavetable, obuf, obuf);

 }

-void

-process_print (void)

+void process_print (void)

 {

   if ( is_onset ) {

     outmsg ("%f\n", aubio_onset_get_last_s (o) );

--- a/examples/aubiopitch.c

+++ b/examples/aubiopitch.c

@@ -28,8 +28,8 @@

 aubio_wavetable_t *wavetable;

 fvec_t *pitch;

-void

-process_block(fvec_t * ibuf, fvec_t * obuf) {

+void process_block(fvec_t * ibuf, fvec_t * obuf)

+{

   aubio_pitch_do (o, ibuf, pitch);

   if ( !usejack && ! sink_uri ) return;

   fvec_zeros(obuf);

@@ -42,8 +42,8 @@

     aubio_wavetable_do (wavetable, obuf, obuf);

 }

-void

-process_print (void) {

+void process_print (void)

+{

   smpl_t pitch_found = fvec_get_sample(pitch, 0);

   outmsg("%f %f\n",(blocks)

       *hop_size/(float)samplerate, pitch_found);

--- a/examples/aubioquiet.c

+++ b/examples/aubioquiet.c

@@ -36,7 +36,7 @@

   }

 }

-static void process_print (void) {

+void process_print (void) {

   int curblocks = (blocks - 4) > 0 ? blocks - 4 : 0;

   if (issilence == -1) {

     outmsg("NOISY: %f\n",curblocks*hop_size/(float)samplerate);

--- a/examples/parse_args.h

+++ b/examples/parse_args.h

@@ -47,6 +47,7 @@

 extern void examples_common_del (void);

 extern void examples_common_process (aubio_process_func_t process_func,

     aubio_print_func_t print);

+int parse_args (int argc, char **argv);

 // internal stuff

 extern int blocks;

@@ -56,8 +57,9 @@

 const char *prog_name;

-void

-usage (FILE * stream, int exit_code)

+void usage (FILE * stream, int exit_code);

+

+void usage (FILE * stream, int exit_code)

 {

   fprintf (stream, "usage: %s [ options ] \n", prog_name);

   fprintf (stream,

--- a/examples/utils.c

+++ b/examples/utils.c

@@ -72,8 +72,12 @@

 aubio_jack_t *jack_setup;

 #endif

-void

-examples_common_init (int argc, char **argv)

+void examples_common_init (int argc, char **argv);

+void examples_common_del (void);

+void examples_common_process (aubio_process_func_t process_func,

+    aubio_print_func_t print);

+

+void examples_common_init (int argc, char **argv)

 {

   /* parse command line arguments */

@@ -115,8 +119,7 @@

 }

-void

-examples_common_del (void)

+void examples_common_del (void)

 {

   del_fvec (ibuf);

   del_fvec (obuf);

@@ -125,8 +128,7 @@

   fflush(stdout);

 }

-void

-examples_common_process (aubio_process_func_t process_func,

+void examples_common_process (aubio_process_func_t process_func,

     aubio_print_func_t print)

 {

--- a/examples/utils.h

+++ b/examples/utils.h

@@ -53,3 +53,6 @@

 /** common process function */

 typedef int (*aubio_process_func_t) (fvec_t * input, fvec_t * output);

+

+void process_block (fvec_t *ibuf, fvec_t *obuf);

+void process_print (void);