Merge pull request #2394 from M374LX/decouple-mixer-visualization

Partially decouple VisualizationWidget from Mixer

include/Mixer.h

@@ -231,11 +231,6 @@ public:
 		return m_framesPerPeriod;
 	}
 
-	inline const surroundSampleFrame * currentReadBuffer() const
-	{
-		return m_readBuf;
-	}
-
 
 	MixerProfiler& profiler()
 	{
@@ -352,7 +347,7 @@ public:
 signals:
 	void qualitySettingsChanged();
 	void sampleRateChanged();
-	void nextAudioBuffer();
+	void nextAudioBuffer( const surroundSampleFrame * buffer );
 
 
 private:
@@ -395,8 +390,6 @@ private:
 
 	fpp_t m_framesPerPeriod;
 
-	sampleFrame * m_workingBuf;
-
 	sampleFrame * m_inputBuffer[2];
 	f_cnt_t m_inputBufferFrames[2];
 	f_cnt_t m_inputBufferSize[2];

include/VisualizationWidget.h

@@ -54,7 +54,7 @@ protected:
 
 
 protected slots:
-	void updateAudioBuffer();
+	void updateAudioBuffer( const surroundSampleFrame * buffer );
 
 
 private: