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libsfml  1.6+dfsg2
SoundBuffer.hpp
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00001 
00002 //
00003 // SFML - Simple and Fast Multimedia Library
00004 // Copyright (C) 2007-2009 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_SOUNDBUFFER_HPP
00026 #define SFML_SOUNDBUFFER_HPP
00027 
00029 // Headers
00031 #include <SFML/System/Resource.hpp>
00032 #include <SFML/Audio/AudioResource.hpp>
00033 #include <string>
00034 #include <vector>
00035 #include <set>
00036 
00037 
00038 namespace sf
00039 {
00040 class Sound;
00041 
00046 class SFML_API SoundBuffer : public AudioResource, public Resource<SoundBuffer>
00047 {
00048 public :
00049 
00054     SoundBuffer();
00055 
00062     SoundBuffer(const SoundBuffer& Copy);
00063 
00068     ~SoundBuffer();
00069 
00078     bool LoadFromFile(const std::string& Filename);
00079 
00089     bool LoadFromMemory(const char* Data, std::size_t SizeInBytes);
00090 
00103     bool LoadFromSamples(const Int16* Samples, std::size_t SamplesCount, unsigned int ChannelsCount, unsigned int SampleRate);
00104 
00113     bool SaveToFile(const std::string& Filename) const;
00114 
00121     const Int16* GetSamples() const;
00122 
00129     std::size_t GetSamplesCount() const;
00130 
00137     unsigned int GetSampleRate() const;
00138 
00145     unsigned int GetChannelsCount() const;
00146 
00153     float GetDuration() const;
00154 
00163     SoundBuffer& operator =(const SoundBuffer& Other);
00164 
00165 private :
00166 
00167     friend class Sound;
00168 
00178     bool Update(unsigned int ChannelsCount, unsigned int SampleRate);
00179 
00186     void AttachSound(Sound* Instance) const;
00187 
00194     void DetachSound(Sound* Instance) const;
00195 
00197     // Types
00199     typedef std::set<Sound*> SoundList; 
00200 
00202     // Member data
00204     unsigned int       myBuffer;   
00205     std::vector<Int16> mySamples;  
00206     float              myDuration; 
00207     mutable SoundList  mySounds;   
00208 };
00209 
00210 } // namespace sf
00211 
00212 
00213 #endif // SFML_SOUNDBUFFER_HPP