SoundStream.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_SOUNDSTREAM_HPP
#define SFML_SOUNDSTREAM_HPP

// Headers
#include <SFML/Audio/SoundSource.hpp>
#include <SFML/System/Thread.hpp>
#include <cstdlib>


namespace sf
{
class SFML_API SoundStream : public SoundSource, private Thread
{
public :

    struct Chunk
    {
        const Int16* Samples;   
        std::size_t  NbSamples; 
    };

    virtual ~SoundStream();

    void Play();

    void Pause();

    void Stop();

    unsigned int GetChannelsCount() const;

    unsigned int GetSampleRate() const;

    Status GetStatus() const;

    void SetPlayingOffset(float timeOffset);

    float GetPlayingOffset() const;

    void SetLoop(bool loop);

    bool GetLoop() const;

protected :

    SoundStream();

    void Initialize(unsigned int channelsCount, unsigned int sampleRate);

private :

    virtual void Run();

    virtual bool OnGetData(Chunk& data) = 0;

    virtual void OnSeek(float timeOffset) = 0;

    bool FillAndPushBuffer(unsigned int bufferNum);

    bool FillQueue();

    void ClearQueue();

    enum
    {
        BuffersCount = 3 
    };

    // Member data
    bool          myIsStreaming;              
    unsigned int  myBuffers[BuffersCount];    
    unsigned int  myChannelsCount;            
    unsigned int  mySampleRate;               
    unsigned long myFormat;                   
    bool          myLoop;                     
    unsigned int  mySamplesProcessed;         
    bool          myEndBuffers[BuffersCount]; 
};

} // namespace sf


#endif // SFML_SOUNDSTREAM_HPP

 ::  Copyright © 2007-2008 Laurent Gomila, all rights reserved  ::  Documentation generated by doxygen 1.5.2  ::