Changeset 466dff3 for examples/aubioonset.c

Timestamp:

Dec 7, 2013, 4:09:00 AM (10 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

3da8187

Parents:

44e94f3c

Message:

examples/: large refactoring, improve option management, remove old stuff, move blocking logic to jackio

File:

• examples/aubioonset.c (modified) (5 diffs)

examples/aubioonset.c

@@ -1 +1 @@
 /*
-  Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
+  Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org>
 
   This file is part of aubio.
@@ -20 +20 @@
 
 #include "utils.h"
-#define PROG_HAS_ONSET
+#define PROG_HAS_ONSET 1
 #include "parse_args.h"
-
-uint_t pos = 0; /*frames%dspblocksize*/
 
 aubio_onset_t *o;
@@ -29 +27 @@
 fvec_t *onset;
 
-static int aubio_process(smpl_t **input, smpl_t **output, int nframes) {
-  unsigned int j;       /*frames*/
-  for (j=0;j<(unsigned)nframes;j++) {
-    if(usejack) {
-      /* write input to datanew */
-      fvec_write_sample(ibuf, input[0][j], pos);
-      /* put synthnew in output */
-      output[0][j] = fvec_read_sample(obuf, pos);
-    }
-    /*time for fft*/
-    if (pos == overlap_size-1) {
-      /* block loop */
-      fvec_zeros(obuf);
-      aubio_onset_do (o, ibuf, onset);
-      if ( fvec_read_sample(onset, 0) ) {
-        aubio_wavetable_play ( wavetable );
-      } else {
-        aubio_wavetable_stop ( wavetable );
-      }
-      aubio_wavetable_do (wavetable, obuf, obuf);
-      /* end of block loop */
-      pos = -1; /* so it will be zero next j loop */
-    }
-    pos++;
+void
+process_block(fvec_t *ibuf, fvec_t *obuf) {
+  fvec_zeros(obuf);
+  aubio_onset_do (o, ibuf, onset);
+  if ( fvec_read_sample(onset, 0) ) {
+    aubio_wavetable_play ( wavetable );
+  } else {
+    aubio_wavetable_stop ( wavetable );
   }
-  return 1;
+  aubio_wavetable_do (wavetable, obuf, obuf);
 }
 
-static void
+void
 process_print (void)
 {
-  /* output times in seconds, taking back some delay to ensure the label is
-   * _before_ the actual onset */
-  if (!verbose && usejack)
-    return;
   smpl_t onset_found = fvec_read_sample (onset, 0);
   if (onset_found) {
@@ -73 +51 @@
   examples_common_init(argc,argv);
 
-  o = new_aubio_onset (onset_method, buffer_size, overlap_size, samplerate);
+  verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
+  verbmsg ("onset method: %s, ", onset_method);
+  verbmsg ("buffer_size: %d, ", buffer_size);
+  verbmsg ("hop_size: %d, ", hop_size);
+  verbmsg ("threshold: %f\n", onset_threshold);
+
+  o = new_aubio_onset (onset_method, buffer_size, hop_size, samplerate);
   if (onset_threshold != 0.) aubio_onset_set_threshold (o, onset_threshold);
   onset = new_fvec (1);
 
-  wavetable = new_aubio_wavetable (samplerate, overlap_size);
+  wavetable = new_aubio_wavetable (samplerate, hop_size);
   aubio_wavetable_set_freq ( wavetable, 2450.);
   //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
 
-  examples_common_process(aubio_process,process_print);
+  examples_common_process((aubio_process_func_t)process_block, process_print);
 
   del_aubio_onset (o);
@@ -88 +72 @@
 
   examples_common_del();
-  debug("End of program.\n");
-  fflush(stderr);
   return 0;
 }
-