[ci] add pip install to readthedocs.yaml

[aubio.git] / examples / utils.c

diff --git a/examples/utils.c b/examples/utils.c
index 2cb87d2..01c308d 100644 (file)
--- a/examples/utils.c
+++ b/examples/utils.c
@@ -32,6 +32,7 @@
 #endif /* HAVE_JACK */
 
 int verbose = 0;
+int quiet = 0;
 int usejack = 0;
 // input / output
 char_t *sink_uri = NULL;
@@ -43,16 +44,18 @@ uint_t hop_size = 256;
 // onset stuff
 char_t * onset_method = "default";
 smpl_t onset_threshold = 0.0; // will be set if != 0.
+smpl_t onset_minioi = 0.0; // will be set if != 0.
 // pitch stuff
 char_t * pitch_unit = "default";
 char_t * pitch_method = "default";
 smpl_t pitch_tolerance = 0.0; // will be set if != 0.
 // time stuff
-char_t * time_format = "seconds";
+uint_t time_format = 0; // for "seconds", 1 for "ms", 2 for "samples"
 // tempo stuff
 char_t * tempo_method = "default";
 // more general stuff
 smpl_t silence_threshold = -90.;
+smpl_t release_drop = 10.;
 uint_t mix_input = 0;
 
 uint_t force_overwrite = 0;
@@ -61,8 +64,11 @@ uint_t force_overwrite = 0;
 // internal memory stuff
 aubio_source_t *this_source = NULL;
 aubio_sink_t *this_sink = NULL;
-fvec_t *ibuf;
-fvec_t *obuf;
+fvec_t *input_buffer;
+fvec_t *output_buffer;
+
+smpl_t miditap_note = 69.;
+smpl_t miditap_velo = 65.;
 
 /* settings */
 int blocks = 0;
@@ -71,8 +77,13 @@ extern void usage (FILE * stream, int exit_code);
 extern int parse_args (int argc, char **argv);
 
 #if HAVE_JACK
+#define MAX_MIDI_EVENTS 128
+#define MAX_MIDI_EVENT_SIZE 3
 aubio_jack_t *jack_setup;
-#endif
+jack_midi_event_t ev;
+jack_midi_data_t midi_data[MAX_MIDI_EVENTS * MAX_MIDI_EVENT_SIZE];
+size_t midi_event_count = 0;
+#endif /* HAVE_JACK */
 
 void examples_common_init (int argc, char **argv);
 void examples_common_del (void);
@@ -114,17 +125,17 @@ void examples_common_init (int argc, char **argv)
     jack_setup = new_aubio_jack (hop_size, 1, 1, 0, 1);
     samplerate = aubio_jack_get_samplerate (jack_setup);
     source_uri = "jack";
-#endif
+#endif /* HAVE_JACK */
   }
-  ibuf = new_fvec (hop_size);
-  obuf = new_fvec (hop_size);
+  input_buffer = new_fvec (hop_size);
+  output_buffer = new_fvec (hop_size);
 
 }
 
 void examples_common_del (void)
 {
-  del_fvec (ibuf);
-  del_fvec (obuf);
+  del_fvec (input_buffer);
+  del_fvec (output_buffer);
   aubio_cleanup ();
   fflush(stderr);
   fflush(stdout);
@@ -137,16 +148,18 @@ void examples_common_process (aubio_process_func_t process_func,
   uint_t read = 0;
   if (usejack) {
 
-#if HAVE_JACK
+#ifdef HAVE_JACK
+    ev.size = MAX_MIDI_EVENT_SIZE;
+    ev.time = 0; // send it now
     debug ("Jack activation ...\n");
     aubio_jack_activate (jack_setup, process_func);
     debug ("Processing (Ctrl+C to quit) ...\n");
     pause ();
     aubio_jack_close (jack_setup);
-#else
+#else /* HAVE_JACK */
     usage (stderr, 1);
     outmsg ("Compiled without jack output, exiting.\n");
-#endif
+#endif /* HAVE_JACK */
 
   } else {
 
@@ -154,14 +167,14 @@ void examples_common_process (aubio_process_func_t process_func,
     blocks = 0;
 
     do {
-      aubio_source_do (this_source, ibuf, &read);
-      process_func (ibuf, obuf);
+      aubio_source_do (this_source, input_buffer, &read);
+      process_func (input_buffer, output_buffer);
       // print to console if verbose or no output given
-      if (verbose || sink_uri == NULL) {
+      if ((verbose || sink_uri == NULL) && !quiet) {
         print();
       }
       if (this_sink) {
-        aubio_sink_do (this_sink, obuf, hop_size);
+        aubio_sink_do (this_sink, output_buffer, hop_size);
       }
       blocks++;
       total_read += read;
@@ -172,23 +185,23 @@ void examples_common_process (aubio_process_func_t process_func,
         total_read, blocks, hop_size, source_uri, samplerate);
 
     del_aubio_source (this_source);
-    del_aubio_sink   (this_sink);
+    if (this_sink)
+      del_aubio_sink   (this_sink);
 
   }
 }
 
 void
-send_noteon (int pitch, int velo)
+send_noteon (smpl_t pitch, smpl_t velo)
 {
-  smpl_t mpitch = floor (aubio_freqtomidi (pitch) + .5);
-#if HAVE_JACK
-  jack_midi_event_t ev;
-  ev.size = 3;
-  ev.buffer = malloc (3 * sizeof (jack_midi_data_t)); // FIXME
-  ev.time = 0;
+#ifdef HAVE_JACK
   if (usejack) {
+    ev.buffer = midi_data + midi_event_count++ * MAX_MIDI_EVENT_SIZE;
+    if (midi_event_count >= MAX_MIDI_EVENTS) {
+      midi_event_count = 0;
+    }
     ev.buffer[2] = velo;
-    ev.buffer[1] = mpitch;
+    ev.buffer[1] = pitch;
     if (velo == 0) {
       ev.buffer[0] = 0x80;      /* note off */
     } else {
@@ -201,7 +214,7 @@ send_noteon (int pitch, int velo)
     print_time (blocks * hop_size);
     outmsg ("\n");
   } else {
-    outmsg ("%f\t", mpitch);
+    outmsg ("%f\t", pitch);
     print_time (blocks * hop_size);
     outmsg ("\t");
   }
@@ -209,9 +222,9 @@ send_noteon (int pitch, int velo)
 
 void print_time (uint_t time_in_samples) {
   /* output times in selected format */
-  if (strcmp (time_format, "samples") == 0) {
+  if (time_format == 2) {
     outmsg ("%d", time_in_samples);
-  } else if (strcmp (time_format, "ms") == 0) {
+  } else if (time_format == 1) {
     outmsg ("%f", 1000. * time_in_samples / (float) samplerate);
   } else {
     outmsg ("%f", time_in_samples / (float) samplerate);