SoundFileDefault.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_SOUNDFILEDEFAULT_HPP
#define SFML_SOUNDFILEDEFAULT_HPP

// Headers
#include <SFML/Audio/SoundFile.hpp>
#include <sndfile.h>
 
 
namespace sf
{
namespace priv
{
class SoundFileDefault : public SoundFile
{
public :

    SoundFileDefault();

    ~SoundFileDefault();

    static bool IsFileSupported(const std::string& Filename, bool Read);

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

    virtual std::size_t Read(Int16* Data, std::size_t NbSamples);

    virtual void Write(const Int16* Data, std::size_t NbSamples);
 
private :

    virtual bool OpenRead(const std::string& Filename, std::size_t& NbSamples, unsigned int& ChannelsCount, unsigned int& SampleRate);

    virtual bool OpenRead(const char* Data, std::size_t SizeInBytes, std::size_t& NbSamples, unsigned int& ChannelsCount, unsigned int& SampleRate);

    virtual bool OpenWrite(const std::string& Filename, unsigned int ChannelsCount, unsigned int SampleRate);

    static int GetFormatFromFilename(const std::string& Filename);

    static sf_count_t MemoryGetLength(void* UserData);
    static sf_count_t MemoryRead(void* Ptr, sf_count_t Count, void* UserData);
    static sf_count_t MemorySeek(sf_count_t Offset, int Whence, void* UserData);
    static sf_count_t MemoryTell(void* UserData);
    static sf_count_t MemoryWrite(const void* Ptr, sf_count_t Count, void* UserData);

    struct MemoryInfos
    {
        const char* DataStart; 
        const char* DataPtr;   
        sf_count_t  TotalSize; 
    };

    // Member data
    SNDFILE*    myFile;   
    MemoryInfos myMemory; 
};
 
} // namespace priv
 
} // namespace sf
 
 
#endif // SFML_SOUNDFILEDEFAULT_HPP