1 files changed, 32 insertions, 29 deletions

@@ -4,6 +4,9 @@
 #include <portaudio.h>
 #include <list>
 #include <cmath>
+#include <vector>
+#include <stdexcept>
+#include <sstream>
 
 #define SAMPLE_RATE (44100)
 #define DELAY_IN_SECS (0.075)
@@ -17,11 +20,14 @@ const int delaySize = SAMPLE_RATE * DELAY_IN_SECS;
 class Sound {
   public:
     Sound(const char* filename, float vol);
-    ~Sound();
-    
-    float* ptr;
+
+    inline bool isDone() const
+    {
+      return pos >= data.size();
+    }
+
+    std::vector<float> data;
     unsigned long pos;
-    unsigned long len;
     float vol;
 };
 
@@ -45,29 +51,29 @@ int paMuxerCallback(const void*, void* outputBuffer, unsigned long framesPerBuff
 {
   Muxer* muxer = (Muxer*) userData;
   float* out = (float*) outputBuffer;
-  
+
   for (unsigned long i = 0; i<framesPerBuffer; i++)
   {
     float in = 0.0;
-    
+
     for (auto& sound : muxer->playing)
     {
-      if (sound.pos < sound.len)
+      if (sound.pos < sound.data.size())
       {
-        in += sound.ptr[sound.pos++] * sound.vol;
+        in += sound.data[sound.pos++] * sound.vol;
       }
     }
-    
+
     if (in >  1) in = 1;
     if (in < -1) in = -1;
-    
+
     float sample = muxer->delay[muxer->delayPos] * GAIN;
     muxer->delay[muxer->delayPos] = in + (muxer->delay[muxer->delayPos] * FEEDBACK);
     muxer->delayPos++;
     if (muxer->delayPos > delaySize) muxer->delayPos = 0;
     *out++ = (in * DRY) + (sample * WET);
   }
-  
+
   return 0;
 }
 
@@ -76,11 +82,11 @@ static Muxer* muxer;
 void initMuxer()
 {
   muxer = new Muxer();
-  
+
   dealWithPaError(Pa_Initialize());
   dealWithPaError(Pa_OpenDefaultStream(&muxer->stream, 0, 1, paFloat32, SAMPLE_RATE, paFramesPerBufferUnspecified, paMuxerCallback, muxer));
   dealWithPaError(Pa_StartStream(muxer->stream));
-  
+
   muxer->delay = (float*) calloc(delaySize, sizeof(float));
 }
 
@@ -89,7 +95,7 @@ void destroyMuxer()
   dealWithPaError(Pa_AbortStream(muxer->stream));
   dealWithPaError(Pa_CloseStream(muxer->stream));
   dealWithPaError(Pa_Terminate());
-  
+
   free(muxer->delay);
   delete muxer;
   muxer = 0;
@@ -98,8 +104,8 @@ void destroyMuxer()
 void playSound(const char* filename, float vol)
 {
   // First, clear out any sounds that have finished playing
-  muxer->playing.remove_if([] (Sound& value) { return value.pos >= value.len; });
-  
+  muxer->playing.remove_if([] (Sound& value) { return value.isDone(); });
+
   // Then, add the new sound
   muxer->playing.emplace_back(filename, vol);
 }
@@ -110,21 +116,18 @@ Sound::Sound(const char* filename, float vol)
   SNDFILE* file = sf_open(filename, SFM_READ, &info);
   if (file == nullptr)
   {
-    printf("LibSndFile error: %s\n", sf_strerror(file));
-    exit(-1);
+    std::ostringstream errmsg;
+    errmsg << "LibSndFile error: ";
+    errmsg << sf_strerror(file);
+
+    throw std::logic_error(errmsg.str());
   }
-  
-  ptr = (float*) malloc(info.frames * info.channels * sizeof(float));
-  len = info.frames * info.channels;
+
+  data.resize(info.frames * info.channels);
   pos = 0;
   this->vol = vol;
-  
-  sf_readf_float(file, ptr, info.frames);
-  
-  sf_close(file);
-}
 
-Sound::~Sound()
-{
-  free(ptr);
+  sf_readf_float(file, data.data(), info.frames);
+
+  sf_close(file);
 }