Mercurial > hg > vamp-aubio-plugins

changeset 4:be376e1b36c3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
* compensate for (4 + m_median) * m_stepSize latency in note detection
author Chris Cannam <cannam@all-day-breakfast.com>
date Wed, 17 May 2006 13:38:26 +0000
parents 4bfe0cf6e20a
children 75189a3dc043
files plugins/Notes.cpp
diffstat 1 files changed, 4 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/plugins/Notes.cpp	Wed May 17 10:02:36 2006 +0000
+++ b/plugins/Notes.cpp	Wed May 17 13:38:26 2006 +0000
@@ -132,7 +132,7 @@
 size_t
 Notes::getPreferredBlockSize() const
 {
-    return 4*getPreferredStepSize();
+    return 4 * getPreferredStepSize();
 }
 
 Notes::ParameterList
@@ -324,7 +324,9 @@
 
     Feature feature;
     feature.hasTimestamp = true;
-    feature.timestamp = m_currentOnset;
+    feature.timestamp = m_currentOnset -
+        Vamp::RealTime::frame2RealTime((4 + m_median) * m_stepSize,
+                                       m_inputSampleRate);
     feature.values.push_back(median);
 //    feature.values.push_back(FLOOR(aubio_freqtomidi(median) + 0.5));
     feature.values.push_back