X-Git-Url: http://git.johnwright.org/?p=fmit.git;a=blobdiff_plain;f=libs%2FMusic%2FDummyMonoQuantizer.cpp;fp=libs%2FMusic%2FDummyMonoQuantizer.cpp;h=323ddce88c190f210ecfce417041f8684ea305f2;hp=0000000000000000000000000000000000000000;hb=a8fb82288feb6b258f2c04312f0c36ba8d79b494;hpb=adfba0402927438a1869f1e716bcf0e25574ce1e

diff --git a/libs/Music/DummyMonoQuantizer.cpp b/libs/Music/DummyMonoQuantizer.cpp
new file mode 100644
index 0000000..323ddce
--- /dev/null
+++ b/libs/Music/DummyMonoQuantizer.cpp
@@ -0,0 +1,72 @@
+// Copyright 2005 "Gilles Degottex"
+
+// This file is part of "Music"
+
+// "Music" is free software; you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// "Music" is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+
+#include "MonoQuantizer.h"
+
+#include <iostream>
+using namespace std;
+#include <Music/Music.h>
+using namespace Music;
+#include "DummyMonoQuantizer.h"
+
+DummyMonoQuantizer::DummyMonoQuantizer()
+{
+	m_confidence = 1.0;
+}
+
+void DummyMonoQuantizer::quantize(double freq)
+{
+// 	cerr << "DummyMonoQuantizer::quantize " << freq << endl;
+
+	double current_time = m_time.elapsed();
+
+	double current_center_freq = h2f(f2h(freq));
+	m_avg_freq = freq;
+
+	if(m_current_center_freq==0.0)
+	{
+		if(current_center_freq>0.0)
+		{
+			m_current_center_freq = current_center_freq;
+			m_duration.start();
+			emit(noteStarted(m_current_center_freq, 0.0));
+		}
+	}
+	else
+	{
+		if(current_center_freq==0.0)
+		{
+			m_current_center_freq = current_center_freq;
+			emit(noteFinished(m_current_center_freq, 0.0));
+		}
+		else if(m_current_center_freq != current_center_freq)
+		{
+			emit(noteFinished(m_current_center_freq, 0.0));
+			m_current_center_freq = current_center_freq;
+			m_duration.start();
+			emit(noteStarted(m_current_center_freq, 0.0));
+		}
+	}
+}
+
+void DummyMonoQuantizer::reset()
+{
+	quantize(0.0);
+	m_avg_freq = 0.0;
+}