Diff: SoundWaveGenerator/snd_wave_generator/WaveBuffer.h

Revision:

0:1324e7d9d471

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SoundWaveGenerator/snd_wave_generator/WaveBuffer.h	Mon Mar 07 22:51:19 2011 +0000
@@ -0,0 +1,37 @@
+#ifndef WAVE_BUFFER_H_
+#define WAVE_BUFFER_H_
+
+#include <cstddef>
+
+namespace snd_wave_generator {
+
+/**
+ * @brief A class used to hold buffered sound wave data.
+ * It's basically a vector of floats which can be read in a cyclic way.
+ */
+class WaveBuffer {
+public:
+    WaveBuffer() : size_(0), capacity_(0), data_(NULL) { }
+    ~WaveBuffer() { delete[] this->data_; }
+    
+    void resize(std::size_t size);
+    
+    void write(std::size_t pos, float v) { 
+        if (pos < this->size_) {
+            this->data_[pos] = v; 
+        }
+    }
+    
+    float read(std::size_t pos) const { 
+        return this->data_[pos % this->size_]; 
+    }
+
+private:
+    std::size_t size_;
+    std::size_t capacity_;
+    float *data_;
+};
+
+} // snd_wave_generator
+
+#endif // WAVE_BUFFER_H_
\ No newline at end of file