Replace 'new' calls with unique_ptr.

- @DirtHairy, you can revert this if you like, but unless there is some issue, I'd rather use smart pointers with auto-deallocation.

src/common/AudioQueue.cxx

@@ -32,22 +32,16 @@ AudioQueue::AudioQueue(uInt32 fragmentSize, uInt32 capacity, bool isStereo, uInt
 {
   const uInt8 sampleSize = myIsStereo ? 2 : 1;
 
-  myFragmentBuffer = new Int16[myFragmentSize * sampleSize * (capacity + 2)];
+  myFragmentBuffer = make_unique<Int16[]>(myFragmentSize * sampleSize * (capacity + 2));
 
   for (uInt32 i = 0; i < capacity; i++)
-    myFragmentQueue[i] = myAllFragments[i] = myFragmentBuffer + i * sampleSize * myFragmentSize;
+    myFragmentQueue[i] = myAllFragments[i] = myFragmentBuffer.get() + i * sampleSize * myFragmentSize;
 
   myAllFragments[capacity] = myFirstFragmentForEnqueue =
-    myFragmentBuffer + capacity * sampleSize * myFragmentSize;
+    myFragmentBuffer.get() + capacity * sampleSize * myFragmentSize;
 
   myAllFragments[capacity + 1] = myFirstFragmentForDequeue =
-    myFragmentBuffer + (capacity + 1) * sampleSize * myFragmentSize;
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-AudioQueue::~AudioQueue()
-{
-  delete[] myFragmentBuffer;
+    myFragmentBuffer.get() + (capacity + 1) * sampleSize * myFragmentSize;
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

src/common/AudioQueue.hxx

@@ -47,11 +47,6 @@ class AudioQueue
      */
     AudioQueue(uInt32 fragmentSize, uInt32 capacity, bool isStereo, uInt16 sampleRate);
 
-    /**
-       We need a destructor to deallocate the individual fragment buffers.
-     */
-    ~AudioQueue();
-
     /**
        Capacity getter.
      */
@@ -119,7 +114,7 @@ class AudioQueue
     vector<Int16*> myAllFragments;
 
     // We allocate a consecutive slice of memory for the fragments.
-    Int16* myFragmentBuffer;
+    unique_ptr<Int16[]> myFragmentBuffer;
 
     // The nubmer if queued fragments
     uInt32 mySize;

src/common/audio/ConvolutionBuffer.cxx

@@ -18,16 +18,12 @@
 #include "ConvolutionBuffer.hxx"
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-ConvolutionBuffer::ConvolutionBuffer(uInt32 size) : myFirstIndex(0), mySize(size)
+ConvolutionBuffer::ConvolutionBuffer(uInt32 size)
+  : myFirstIndex(0),
+    mySize(size)
 {
-  myData = new float[mySize];
-  memset(myData, 0, mySize * sizeof(float));
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-ConvolutionBuffer::~ConvolutionBuffer()
-{
-  delete[] myData;
+  myData = make_unique<float[]>(mySize);
+  memset(myData.get(), 0, mySize * sizeof(float));
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

src/common/audio/ConvolutionBuffer.hxx

@@ -20,20 +20,19 @@
 
 #include "bspf.hxx"
 
-class ConvolutionBuffer {
+class ConvolutionBuffer
+{
   public:
 
     ConvolutionBuffer(uInt32 size);
 
-    ~ConvolutionBuffer();
-
     void shift(float nextValue);
 
     float convoluteWith(float* kernel) const;
 
   private:
 
-    float* myData;
+    unique_ptr<float[]> myData;
 
     uInt32 myFirstIndex;
 

src/common/audio/LanczosResampler.cxx

@@ -75,35 +75,24 @@ LanczosResampler::LanczosResampler(
   myKernelSize(2 * kernelParameter),
   myCurrentKernelIndex(0),
   myKernelParameter(kernelParameter),
-  myBuffer(nullptr),
-  myBufferL(nullptr),
-  myBufferR(nullptr),
   myCurrentFragment(nullptr),
   myFragmentIndex(0),
   myIsUnderrun(true),
   myTimeIndex(0)
 {
-  myPrecomputedKernels = new float[myPrecomputedKernelCount * myKernelSize];
+  myPrecomputedKernels = make_unique<float[]>(myPrecomputedKernelCount * myKernelSize);
 
-  if (myFormatFrom.stereo) {
-    myBufferL = new ConvolutionBuffer(myKernelSize);
-    myBufferR = new ConvolutionBuffer(myKernelSize);
+  if (myFormatFrom.stereo)
+  {
+    myBufferL = make_unique<ConvolutionBuffer>(myKernelSize);
+    myBufferR = make_unique<ConvolutionBuffer>(myKernelSize);
   }
   else
-    myBuffer = new ConvolutionBuffer(myKernelSize);
+    myBuffer = make_unique<ConvolutionBuffer>(myKernelSize);
 
   precomputeKernels();
 }
 
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-LanczosResampler::~LanczosResampler() {
-  delete[] myPrecomputedKernels;
-
-  if (myBuffer) delete myBuffer;
-  if (myBufferL) delete myBufferL;
-  if (myBufferR) delete myBufferR;
-}
-
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void LanczosResampler::precomputeKernels()
 {
@@ -111,7 +100,7 @@ void LanczosResampler::precomputeKernels()
   uInt32 timeIndex = 0;
 
   for (uInt32 i = 0; i < myPrecomputedKernelCount; i++) {
-    float* kernel = myPrecomputedKernels + myKernelSize * i;
+    float* kernel = myPrecomputedKernels.get() + myKernelSize * i;
     // The kernel is normalized such to be evaluate on time * formatFrom.sampleRate
     float center =
       static_cast<float>(timeIndex) / static_cast<float>(myFormatTo.sampleRate);
@@ -155,7 +144,7 @@ void LanczosResampler::fillFragment(float* fragment, uInt32 length)
   const uInt32 outputSamples = myFormatTo.stereo ? (length >> 1) : length;
 
   for (uInt32 i = 0; i < outputSamples; i++) {
-    float* kernel = myPrecomputedKernels + (myCurrentKernelIndex * myKernelSize);
+    float* kernel = myPrecomputedKernels.get() + (myCurrentKernelIndex * myKernelSize);
     myCurrentKernelIndex = (myCurrentKernelIndex + 1) % myPrecomputedKernelCount;
 
     if (myFormatFrom.stereo) {

src/common/audio/LanczosResampler.hxx

@@ -34,7 +34,7 @@ class LanczosResampler : public Resampler
 
     virtual void fillFragment(float* fragment, uInt32 length);
 
-    virtual ~LanczosResampler();
+    virtual ~LanczosResampler() = default;
 
   private:
 
@@ -46,14 +46,14 @@ class LanczosResampler : public Resampler
 
     uInt32 myPrecomputedKernelCount;
     uInt32 myKernelSize;
-    float* myPrecomputedKernels;
     uInt32 myCurrentKernelIndex;
+    unique_ptr<float[]> myPrecomputedKernels;
 
     uInt32 myKernelParameter;
 
-    ConvolutionBuffer* myBuffer;
-    ConvolutionBuffer* myBufferL;
-    ConvolutionBuffer* myBufferR;
+    unique_ptr<ConvolutionBuffer> myBuffer;
+    unique_ptr<ConvolutionBuffer> myBufferL;
+    unique_ptr<ConvolutionBuffer> myBufferR;
 
     Int16* myCurrentFragment;
     uInt32 myFragmentIndex;