Audio.cpp

//Audio.cpp
//Author: Alan Berman
//30/4/2015

#include <memory>
#include <cstdint>
#include <vector>
#include <numeric>
#include <string>
#include "Audio.h"

//Creates mono/stereo audio clips (instances of the Audio class)
//The clips may be reversed, added, concatenated, cut, added over ranges
//adjusted by a volume factor or normalized. The RMS of the clips may
//also be retrieved.
namespace BRMALA003
{
	using namespace std;
	void Audio::loadAudio<int8_t>(string inputFile)
	{
		ifstream file (inputFile, ifstream::binary);
		int length;
		if (file)
		{
			//Adapted from http://www.cplusplus.com/reference/istream/istream/tellg/
			file.seekg(0,file.end);
			length = file.tellg();
			file.seekg(0,file.beg);
			noSamples = length/(sizeof(int8_t));
			for (int i = 0; i<noSamples;++i)
			{
				char * buffer = new char [length/noSamples];
				&(data_vector[i]) = file.read(buffer,(length/noSamples));
				delete[] buffer;
			}
		}
	}
	void Audio::loadAudio<pair<int16_t,int16_t>>(string inputFile)
	{
		ifstream file (inputFile, ifstream::binary);
		int length;
		if (file)
		{
			//Adapted from http://www.cplusplus.com/reference/istream/istream/tellg/
			file.seekg(0,file.end);
			length = file.tellg();
			file.seekg(0,file.beg);
			noSamples = length/(sizeof(int16_t) * 2);
			for (int i = 0; i<noSamples;++i)
			{
				char * buffer = new char [length/noSamples];
				&(data_vector[i]) = file.read(buffer,(length/noSamples));
				delete[] buffer;
			}
		}
	}
		
}