diff src/MainWindow.cpp @ 158:e1a2c175a0e0

Fix up wiring for pitch gain control

--- a/src/MainWindow.cpp	Wed Jan 22 18:15:43 2014 -0500
+++ b/src/MainWindow.cpp	Thu Jan 23 09:30:38 2014 +0000
@@ -212,24 +212,22 @@
     connect(m_playSpeed, SIGNAL(mouseEntered()), this, SLOT(mouseEnteredWidget()));
     connect(m_playSpeed, SIGNAL(mouseLeft()), this, SLOT(mouseLeftWidget()));
 
-    /* not there yet...
     m_gainPitch = new AudioDial(frame);
-    m_gainPitch->setMinimum(0);
-    m_gainPitch->setMaximum(200);
-    m_gainPitch->setValue(100);
+    m_gainPitch->setMinimum(-50);
+    m_gainPitch->setMaximum(50);
+    m_gainPitch->setValue(0);
+    m_gainPitch->setDefaultValue(0);
     m_gainPitch->setFixedWidth(24);
     m_gainPitch->setFixedHeight(24);
     m_gainPitch->setNotchesVisible(true);
     m_gainPitch->setPageStep(10);
-    m_gainPitch->setObjectName(tr("Playback Speedup"));
-    m_gainPitch->setDefaultValue(100);
-    m_gainPitch->setRangeMapper(new PlaySpeedRangeMapper(0, 200));
+    m_gainPitch->setObjectName(tr("Pitch Track Gain"));
+    m_gainPitch->setRangeMapper(new LinearRangeMapper(-50, 50, -25, 25, tr("dB")));
     m_gainPitch->setShowToolTip(true);
     connect(m_gainPitch, SIGNAL(valueChanged(int)),
-        this, SLOT(playSpeedChanged(int)));
+            this, SLOT(pitchGainChanged(int)));
     connect(m_gainPitch, SIGNAL(mouseEntered()), this, SLOT(mouseEnteredWidget()));
     connect(m_gainPitch, SIGNAL(mouseLeft()), this, SLOT(mouseLeftWidget()));
-    */
 
     layout->setSpacing(4);
     layout->addWidget(m_overview, 0, 1);
@@ -807,7 +805,7 @@
     connect(m_playPitch, SIGNAL(triggered()), this, SLOT(playPitchToggled()));
     connect(this, SIGNAL(canPlay(bool)), m_playPitch, SLOT(setEnabled(bool)));
 
-    //toolbar->addWidget(m_gainPitch);
+    toolbar->addWidget(m_gainPitch);
 
     // Notes
     QLabel *icon_notes = new QLabel;
@@ -1664,31 +1662,17 @@
     m_playSpeed->setValue(m_playSpeed->defaultValue());
 }
 
-/* Pitch Gain Functions
 void
 MainWindow::pitchGainChanged(int position)
 {
-    PlaySpeedRangeMapper mapper(0, 200);
+    float level = m_gainPitch->mappedValue();
+    float gain = powf(10, level / 20.0);
 
-    float percent = m_gainPitch->mappedValue();
-    float factor = mapper.getFactorForValue(percent);
+    cerr << "gain = " << gain << " (" << position << " dB)" << endl;
 
-    cerr << "speed = " << position << " percent = " << percent << " factor = " << factor << endl;
+    contextHelpChanged(tr("Pitch Gain: %1 dB").arg(position));
 
-    bool something = (position != 100);
-
-    int pc = lrintf(percent);
-
-    if (!something) {
-        contextHelpChanged(tr("Pitch Gain: Normal"));
-    } else {
-        contextHelpChanged(tr("Pitch Gain: %1%2%")
-                           .arg(position > 100 ? "+" : "")
-                           .arg(pc));
-    }
-
-    //m_playSource->setTimeStretch(factor);
-    // TODO: pitch gain
+    m_analyser->setGain(Analyser::PitchTrack, gain);
 
     updateMenuStates();
 } 
@@ -1716,7 +1700,6 @@
 {
     m_gainPitch->setValue(m_gainPitch->defaultValue());
 }
-*/
 
 void
 MainWindow::updateVisibleRangeDisplay(Pane *p) const