D:/Programmation/Cpp/SFML/src/SFML/Audio/SoundStream.hpp

00001 
00002 //
00003 // SFML - Simple and Fast Multimedia Library
00004 // Copyright (C) 2007 Laurent Gomila (laurent.gom@gmail.com)
00005 //
00006 // This software is provided 'as-is', without any express or implied warranty.
00007 // In no event will the authors be held liable for any damages arising from the use of this software.
00008 //
00009 // Permission is granted to anyone to use this software for any purpose,
00010 // including commercial applications, and to alter it and redistribute it freely,
00011 // subject to the following restrictions:
00012 //
00013 // 1. The origin of this software must not be misrepresented;
00014 //    you must not claim that you wrote the original software.
00015 //    If you use this software in a product, an acknowledgment
00016 //    in the product documentation would be appreciated but is not required.
00017 //
00018 // 2. Altered source versions must be plainly marked as such,
00019 //    and must not be misrepresented as being the original software.
00020 //
00021 // 3. This notice may not be removed or altered from any source distribution.
00022 //
00024 
00025 #ifndef SFML_SOUNDSTREAM_HPP
00026 #define SFML_SOUNDSTREAM_HPP
00027 
00029 // Headers
00031 #include <SFML/Audio/SoundImpl.hpp>
00032 #include <SFML/Audio/SoundBufferImpl.hpp>
00033 #include <SFML/System/Thread.hpp>
00034 #include <SFML/Utilities/SharedPtr.hpp>
00035 
00036 
00043 class SFML_API sfSoundStream : private sfThread
00044 {
00045 public :
00046 
00050     struct Chunk
00051     {
00052         const sfInt16* Samples;   
00053         std::size_t    NbSamples; 
00054     };
00055 
00060     virtual ~sfSoundStream();
00061 
00066     void Play();
00067 
00072     void Pause();
00073 
00078     void Stop();
00079 
00086     unsigned int GetFrequency() const;
00087 
00094     unsigned int GetChannelsCount() const;
00095 
00102     void SetPitch(float Pitch);
00103 
00110     void SetVolume(float Volume);
00111 
00120     void SetPosition(float X, float Y, float Z);
00121 
00128     float GetPitch() const;
00129 
00136     float GetVolume() const;
00137 
00146     void GetPosition(float& X, float& Y, float& Z) const;
00147 
00154     sfSoundStatus GetStatus() const;
00155 
00156 protected :
00157 
00162     sfSoundStream();
00163 
00171     void Initialize(unsigned int ChannelsCount, unsigned int Frequency);
00172 
00173 private :
00174 
00179     virtual void Run();
00180 
00187     virtual bool OnStart();
00188 
00197     virtual bool OnGetData(Chunk& Data) = 0;
00198 
00203     void CleanUp();
00204 
00205     enum {BuffersCount = 2};
00206 
00208     // Member data
00210     bool                                       myIsStreaming;           
00211     sfSharedPtr<sf_private::sfSoundImpl>       mySource;                
00212     sfSharedPtr<sf_private::sfSoundBufferImpl> myBuffers[BuffersCount]; 
00213     unsigned int                               myChannelsCount;         
00214     unsigned int                               myFrequency;             
00215 };
00216 
00217 
00218 #endif // SFML_SOUNDSTREAM_HPP

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