1 files changed, 107 insertions, 0 deletions
diff --git a/noatun/modules/winskin/winSkinVis.cpp b/noatun/modules/winskin/winSkinVis.cpp
new file mode 100644
index 00000000..f9937981
--- /dev/null
+++ b/noatun/modules/winskin/winSkinVis.cpp
@@ -0,0 +1,107 @@
+/*
+  noatun visualisation interface for winskin
+  Copyright (C) 2001  Martin Vogt
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation.
+
+  For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+
+#include "winSkinVis.h"
+
+#define __BANDS     75
+#define __SPAHEIGHT 15
+
+WinSkinVis::WinSkinVis(QObject *parent, const char *name):
+    QObject(parent,name),Visualization(50) {
+
+    m_currentPeaks=new float[__BANDS];
+
+    for(unsigned int i=0;i<__BANDS;i++) 
+        m_currentPeaks[i]=0.0;
+
+    // If we can create our server-side object, visualize away
+    if (initServerObject())
+    {
+        start();
+    }
+}
+
+
+WinSkinVis::~WinSkinVis()
+{
+    if (m_winSkinFFT != NULL) {
+        if (connected())
+        {
+            visualizationStack().remove(m_id);
+            m_winSkinFFT->stop();
+            delete m_winSkinFFT;
+        }
+    }
+
+    delete[] m_currentPeaks;
+}
+
+
+bool WinSkinVis::initServerObject()
+{
+    // Create FFT on server
+    m_winSkinFFT = new Noatun::WinSkinFFT();
+    *m_winSkinFFT = Arts::DynamicCast(server()->createObject("Noatun::WinSkinFFT"));
+  
+    if ( (*m_winSkinFFT).isNull() ) {
+        delete m_winSkinFFT;
+        m_winSkinFFT=NULL;
+    } 
+    else
+    {
+       m_winSkinFFT->bandResolution(__BANDS);
+       m_winSkinFFT->start();
+       m_id=visualizationStack().insertBottom(*m_winSkinFFT, "WinSkin FFT");
+    }
+
+    return (m_winSkinFFT != NULL);
+}
+
+void WinSkinVis::timeout()
+{
+    std::vector<float> *data(m_winSkinFFT->scope());
+    
+    float *f=&data->front();
+    if (data->size())
+        scopeEvent(f, data->size());
+
+    delete data;
+}
+
+float* WinSkinVis::currentPeaks()
+{
+    return m_currentPeaks;
+}
+
+void WinSkinVis::scopeEvent(float* bandPtr, unsigned int bands)
+{
+    for (unsigned int i = 0;i < bands;i++) {
+        float value=bandPtr[i];
+        // if the peak is less we prefer the higher one
+        if (m_currentPeaks[i] < value)
+            m_currentPeaks[i] = value;
+        else
+            m_currentPeaks[i] = m_currentPeaks[i]-1.3;
+
+        if (m_currentPeaks[i] < 0.0)
+            m_currentPeaks[i] = 0.0;
+
+        if (m_currentPeaks[i] > __SPAHEIGHT)
+            m_currentPeaks[i]=__SPAHEIGHT;
+    }
+    emit(doRepaint());
+}
+
+
+#include "winSkinVis.moc"