Changeset 7e80dc9 for src/tempo

Timestamp:

Feb 8, 2016, 6:06:52 PM (9 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:

a33d406

Parents:

fa74361

Message:

src/tempo/tempo.h: implement get/set_delay

Location:

src/tempo

Files:

• tempo.c (modified) (5 diffs)
• tempo.h (modified) (1 diff)

src/tempo/tempo.c

@@ -28 +28 @@
 #include "mathutils.h"
 #include "tempo/tempo.h"
-
-// TODO implement get/set_delay
-
-/** set current delay
-
-  \param o beat tracking object
-
-  \return current delay, in samples
-
- */
-uint_t aubio_tempo_get_delay(aubio_tempo_t * o);
-
-/** set current delay
-
-  \param o beat tracking object
-  \param delay delay to set tempo to, in samples
-
-  \return `0` if successful, non-zero otherwise
-
- */
-uint_t aubio_tempo_set_delay(aubio_tempo_t * o, uint_t delay);
 
 /* structure to store object state */
@@ -70 +49 @@
   uint_t total_frames;           /** total frames since beginning */
   uint_t last_beat;              /** time of latest detected beat, in samples */
-  uint_t delay;                  /** delay to remove to last beat, in samples */
+  sint_t delay;                  /** delay to remove to last beat, in samples */
   uint_t last_tatum;             /** time of latest detected tatum, in samples */
   uint_t tatum_signature;        /** number of tatum between each beats */
@@ -125 +104 @@
 uint_t aubio_tempo_get_last (aubio_tempo_t *o)
 {
-  return o->last_beat - o->delay;
+  return o->last_beat + o->delay;
 }
 
@@ -138 +117 @@
 }
 
-uint_t aubio_tempo_set_delay(aubio_tempo_t * o, uint_t delay) {
+uint_t aubio_tempo_set_delay(aubio_tempo_t * o, sint_t delay) {
   o->delay = delay;
+  return AUBIO_OK;
+}
+
+uint_t aubio_tempo_set_delay_s(aubio_tempo_t * o, smpl_t delay) {
+  o->delay = delay * o->samplerate;
+  return AUBIO_OK;
+}
+
+uint_t aubio_tempo_set_delay_ms(aubio_tempo_t * o, smpl_t delay) {
+  o->delay = 1000. * delay * o->samplerate;
   return AUBIO_OK;
 }
@@ -145 +134 @@
 uint_t aubio_tempo_get_delay(aubio_tempo_t * o) {
   return o->delay;
+}
+
+smpl_t aubio_tempo_get_delay_s(aubio_tempo_t * o) {
+  return o->delay / (smpl_t)(o->samplerate);
+}
+
+smpl_t aubio_tempo_get_delay_ms(aubio_tempo_t * o) {
+  return o->delay / (smpl_t)(o->samplerate) / 1000.;
 }
 

src/tempo/tempo.h

@@ -185 +185 @@
 smpl_t aubio_tempo_get_last_tatum(aubio_tempo_t *o);
 
+/** get current delay
+
+  \param o beat tracking object
+
+  \return current delay, in samples
+
+ */
+uint_t aubio_tempo_get_delay(aubio_tempo_t * o);
+
+/** get current delay in seconds
+
+  \param o beat tracking object
+
+  \return current delay, in seconds
+
+ */
+smpl_t aubio_tempo_get_delay_s(aubio_tempo_t * o);
+
+/** get current delay in ms
+
+  \param o beat tracking object
+
+  \return current delay, in milliseconds
+
+ */
+smpl_t aubio_tempo_get_delay_ms(aubio_tempo_t * o);
+
+/** set current delay
+
+  \param o beat tracking object
+  \param delay delay to set tempo to, in samples
+
+  \return `0` if successful, non-zero otherwise
+
+ */
+uint_t aubio_tempo_set_delay(aubio_tempo_t * o, sint_t delay);
+
+/** set current delay in seconds
+
+  \param o beat tracking object
+  \param delay delay to set tempo to, in seconds
+
+  \return `0` if successful, non-zero otherwise
+
+ */
+uint_t aubio_tempo_set_delay_s(aubio_tempo_t * o, smpl_t delay);
+
+/** set current delay
+
+  \param o beat tracking object
+  \param delay delay to set tempo to, in samples
+
+  \return `0` if successful, non-zero otherwise
+
+ */
+uint_t aubio_tempo_set_delay_ms(aubio_tempo_t * o, smpl_t delay);
+
 /** delete tempo detection object