Implemented WaveRecorder::addSamples for better batch processing

waverecorder.cpp

@@ -39,3 +39,9 @@ void WaveRecorder::addSample(const qint32 sample)
 {
     m_dataStream << sample;
 }
+
+void WaveRecorder::addSamples(const QVector<qint32> &samples)
+{
+    for(auto sample : samples)
+        addSample(sample);
+}

waverecorder.h

@@ -19,6 +19,7 @@ public:
 
 public Q_SLOTS:
     void addSample(const qint32 sample);
+    void addSamples(const QVector<qint32> &samples);
 
 private:
     quint32 m_size = 0;