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# OpenAL.hpp

    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_OPENAL_HPP
    00026 #define SFML_OPENAL_HPP
    00027
    00029 // Headers
    00031 #include <SFML/Config.hpp>
    00032
    00033 #if defined(SFML_SYSTEM_MACOS)
    00034 #include <OpenAL/al.h>
    00035 #include <OpenAL/alc.h>
    00036 #else
    00037 #include <AL/al.h>
    00038 #include <AL/alc.h>
    00039 #endif
    00040
    00041 #include <iostream>
    00042 #include <string>
    00043
    00044
    00045 namespace sf
    00046 {
    00047 namespace priv
    00048 {
    00054 #ifdef SFML_DEBUG
    00055
    00056     // If in debug mode, perform a test on every call
    00057     #define ALCheck(Func) ((Func), priv::ALCheckError(__FILE__, __LINE__))
    00058
    00059 #else
    00060
    00061     // Else, we don't add any overhead
    00062     #define ALCheck(Func) (Func)
    00063
    00064 #endif
    00065
    00066
    00071 inline void ALCheckError(const std::string& File, unsigned int Line)
    00072 {
    00073     // Get the last error
    00074     ALenum ErrorCode = alGetError();
    00075
    00076     if (ErrorCode != AL_NO_ERROR)
    00077     {
    00078         std::string Error, Desc;
    00079
    00080         // Decode the error code
    00081         switch (ErrorCode)
    00082         {
    00083             case AL_INVALID_NAME :
    00084             {
    00085                 Error = "AL_INVALID_NAME";
    00086                 Desc  = "an unacceptable name has been specified";
    00087                 break;
    00088             }
    00089
    00090             case AL_INVALID_ENUM :
    00091             {
    00092                 Error = "AL_INVALID_ENUM";
    00093                 Desc  = "an unacceptable value has been specified for an enumerated argument";
    00094                 break;
    00095             }
    00096
    00097             case AL_INVALID_VALUE :
    00098             {
    00099                 Error = "AL_INVALID_VALUE";
    00100                 Desc  = "a numeric argument is out of range";
    00101                 break;
    00102             }
    00103
    00104             case AL_INVALID_OPERATION :
    00105             {
    00106                 Error = "AL_INVALID_OPERATION";
    00107                 Desc  = "the specified operation is not allowed in the current state";
    00108                 break;
    00109             }
    00110
    00111             case AL_OUT_OF_MEMORY :
    00112             {
    00113                 Error = "AL_OUT_OF_MEMORY";
    00114                 Desc  = "there is not enough memory left to execute the command";
    00115                 break;
    00116             }
    00117         }
    00118
    00119         // Log the error
    00120         std::cerr << "An internal OpenAL call failed in "
    00121                   << File.substr(File.find_last_of("\\/") + 1) << " (" << Line << ") : "
    00122                   << Error << ", " << Desc
    00123                   << std::endl;
    00124     }
    00125 }
    00126
    00127 } // namespace priv
    00128
    00129 } // namespace sf
    00130
    00131
    00132 #endif // SFML_OPENAL_HPP

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