caudio/include/IDataSource.h

// Copyright (c) 2008-2010 Raynaldo (Wildicv) Rivera, Joshua (Dark_Kilauea) Jones
// This file is part of the "cAudio Engine"
// For conditions of distribution and use, see copyright notice in cAudio.h

#ifndef IDATASOURCE_H
#define IDATASOURCE_H

#include "IRefCounted.h"

namespace cAudio
{
	class IDataSource : public IRefCounted
	{
		public:
			IDataSource() {  }
			virtual ~IDataSource() {  }

			//!Returns whether the source is valid (in case of an error, like the file couldn't be found)
			virtual bool isValid() = 0;

			//!Get the current location in the data stream
			virtual int getCurrentPos() = 0;

			//!Get the total size of the data stream
			virtual int getSize() = 0;

			//!Read out a section of the data stream
			virtual int read(void* output, int size) = 0;

			//!Seek to a position in the data stream
			virtual bool seek(int amount, bool relative) = 0;
	};
};

#endif //! IDATASOURCE_H