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libsfml  1.6+dfsg2
SoundFileDefault.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_SOUNDFILEDEFAULT_HPP
00026 #define SFML_SOUNDFILEDEFAULT_HPP
00027 
00029 // Headers
00031 #include <SFML/Audio/SoundFile.hpp>
00032 #include <sndfile.h>
00033 
00034 
00035 namespace sf
00036 {
00037 namespace priv
00038 {
00043 class SoundFileDefault : public SoundFile
00044 {
00045 public :
00046 
00051     SoundFileDefault();
00052 
00057     ~SoundFileDefault();
00058 
00068     static bool IsFileSupported(const std::string& Filename, bool Read);
00069 
00079     static bool IsFileSupported(const char* Data, std::size_t SizeInBytes);
00080 
00085     virtual std::size_t Read(Int16* Data, std::size_t NbSamples);
00086 
00091     virtual void Write(const Int16* Data, std::size_t NbSamples);
00092 
00093 private :
00094 
00099     virtual bool OpenRead(const std::string& Filename, std::size_t& NbSamples, unsigned int& ChannelsCount, unsigned int& SampleRate);
00100 
00105     virtual bool OpenRead(const char* Data, std::size_t SizeInBytes, std::size_t& NbSamples, unsigned int& ChannelsCount, unsigned int& SampleRate);
00106 
00111     virtual bool OpenWrite(const std::string& Filename, unsigned int ChannelsCount, unsigned int SampleRate);
00112 
00122     static int GetFormatFromFilename(const std::string& Filename);
00123 
00128     static sf_count_t MemoryGetLength(void* UserData);
00129     static sf_count_t MemoryRead(void* Ptr, sf_count_t Count, void* UserData);
00130     static sf_count_t MemorySeek(sf_count_t Offset, int Whence, void* UserData);
00131     static sf_count_t MemoryTell(void* UserData);
00132     static sf_count_t MemoryWrite(const void* Ptr, sf_count_t Count, void* UserData);
00133 
00137     struct MemoryInfos
00138     {
00139         const char* DataStart; 
00140         const char* DataPtr;   
00141         sf_count_t  TotalSize; 
00142     };
00143 
00145     // Member data
00147     SNDFILE*    myFile;   
00148     MemoryInfos myMemory; 
00149 };
00150 
00151 } // namespace priv
00152 
00153 } // namespace sf
00154 
00155 
00156 #endif // SFML_SOUNDFILEDEFAULT_HPP