SoundBuffer.hpp

//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
 
#ifndef SFML_SOUNDBUFFER_HPP
#define SFML_SOUNDBUFFER_HPP

// Headers
#include <SFML/System/Resource.hpp>
#include <SFML/Audio/AudioResource.hpp>
#include <string>
#include <vector>
#include <set>
 
 
namespace sf
{
class Sound;

class SFML_API SoundBuffer : public AudioResource, public Resource<SoundBuffer>
{
public :

    SoundBuffer();

    SoundBuffer(const SoundBuffer& Copy);

    ~SoundBuffer();

    bool LoadFromFile(const std::string& Filename);

    bool LoadFromMemory(const char* Data, std::size_t SizeInBytes);

    bool LoadFromSamples(const Int16* Samples, std::size_t SamplesCount, unsigned int ChannelsCount, unsigned int SampleRate);

    bool SaveToFile(const std::string& Filename) const;

    const Int16* GetSamples() const;

    std::size_t GetSamplesCount() const;

    unsigned int GetSampleRate() const;

    unsigned int GetChannelsCount() const;

    float GetDuration() const;

    SoundBuffer& operator =(const SoundBuffer& Other);
 
private :
 
    friend class Sound;

    bool Update(unsigned int ChannelsCount, unsigned int SampleRate);

    void AttachSound(Sound* Instance) const;

    void DetachSound(Sound* Instance) const;

    // Types
    typedef std::set<Sound*> SoundList; 

    // Member data
    unsigned int       myBuffer;   
    std::vector<Int16> mySamples;  
    float              myDuration; 
    mutable SoundList  mySounds;   
};
 
} // namespace sf
 
 
#endif // SFML_SOUNDBUFFER_HPP