Spectrogram:

[kdenlive] / src / audioscopes / abstractaudioscopewidget.cpp

diff --git a/src/audioscopes/abstractaudioscopewidget.cpp b/src/audioscopes/abstractaudioscopewidget.cpp
index 5f14fd2ee3124aa995234b81745a4c2dd7c408ca..099a8e6e955b8b6565c3ebf8c49393dfe573884c 100644 (file)
--- a/src/audioscopes/abstractaudioscopewidget.cpp
+++ b/src/audioscopes/abstractaudioscopewidget.cpp
@@ -14,28 +14,41 @@
 #include "renderer.h"
 #include "monitor.h"
 
-#include <QDebug>
 #include <QFuture>
 #include <QColor>
 #include <QMenu>
 #include <QMouseEvent>
 #include <QPainter>
 
+// Uncomment for debugging
+//#define DEBUG_AASW
+
+#ifdef DEBUG_AASW
+#include <QDebug>
+#endif
+
 AbstractAudioScopeWidget::AbstractAudioScopeWidget(bool trackMouse, QWidget *parent) :
         AbstractScopeWidget(trackMouse, parent),
-        m_audioFrame(),
-        m_freq(0),
-        m_nChannels(0),
-        m_nSamples(0)
+    m_freq(0),
+    m_nChannels(0),
+    m_nSamples(0),
+    m_audioFrame(),
+    m_newData(0)
 {
 }
 
-void AbstractAudioScopeWidget::slotReceiveAudio(const QVector<int16_t>& sampleData, int freq, int num_channels, int num_samples)
+void AbstractAudioScopeWidget::slotReceiveAudio(const QVector<int16_t> &sampleData, int freq, int num_channels, int num_samples)
 {
+#ifdef DEBUG_AASW
+    qDebug() << "Received audio for " << widgetName() << ".";
+#endif
     m_audioFrame = sampleData;
     m_freq = freq;
     m_nChannels = num_channels;
     m_nSamples = num_samples;
+
+    m_newData.fetchAndAddAcquire(1);
+
     AbstractScopeWidget::slotRenderZoneUpdated();
 }
 
@@ -43,5 +56,11 @@ AbstractAudioScopeWidget::~AbstractAudioScopeWidget() {}
 
 QImage AbstractAudioScopeWidget::renderScope(uint accelerationFactor)
 {
-    return renderAudioScope(accelerationFactor, m_audioFrame, m_freq, m_nChannels, m_nSamples);
+    int newData = m_newData.fetchAndStoreAcquire(0);
+
+    return renderAudioScope(accelerationFactor, m_audioFrame, m_freq, m_nChannels, m_nSamples, newData);
 }
+
+#ifdef DEBUG_AASW
+#undef DEBUG_AASW
+#endif