SoundBuffer.hpp

//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2015 Laurent Gomila (laurent@sfml-dev.org)
//
// 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 CPP3DS_SOUNDBUFFER_HPP
#define CPP3DS_SOUNDBUFFER_HPP

// Headers
#ifndef EMULATION
#include <cpp3ds/System/LinearAllocator.hpp>
#endif
#include <cpp3ds/Audio/AlResource.hpp>
#include <cpp3ds/System/Time.hpp>
#include <string>
#include <vector>
#include <set>


namespace cpp3ds
{
class Sound;
class InputSoundFile;
class InputStream;

class SoundBuffer : AlResource
{
public:

    SoundBuffer();

    SoundBuffer(const SoundBuffer& copy);

    ~SoundBuffer();

    bool loadFromFile(const std::string& filename);

    bool loadFromMemory(const void* data, std::size_t sizeInBytes);

    bool loadFromStream(InputStream& stream);

    bool loadFromSamples(const Int16* samples, Uint64 sampleCount, unsigned int channelCount, unsigned int sampleRate);

    bool saveToFile(const std::string& filename) const;

    const Int16* getSamples() const;

    Uint64 getSampleCount() const;

    unsigned int getSampleRate() const;

    unsigned int getChannelCount() const;

    Time getDuration() const;

    SoundBuffer& operator =(const SoundBuffer& right);

private:

    friend class Sound;

    bool initialize(InputSoundFile& file);

    bool update(unsigned int channelCount, unsigned int sampleRate);

    void attachSound(Sound* sound) const;

    void detachSound(Sound* sound) const;

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

    // Member data
    Time               m_duration; 
    mutable SoundList  m_sounds;   

    unsigned int m_sampleRate;
    unsigned int m_channelCount;
    #ifdef EMULATION
    unsigned int       m_buffer;   
    std::vector<Int16> m_samples;  
    #else
    std::vector<Int16, LinearAllocator<Int16>> m_samples;
    #endif
};

} // namespace cpp3ds


#endif // CPP3DS_SOUNDBUFFER_HPP