SoundRecorder.cpp

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 
00026 // Headers
00028 #include <SFML/Audio/SoundRecorder.h>
00029 #include <SFML/Audio/SoundRecorder.hpp>
00030 #include <SFML/Internal.h>
00031 
00032 
00033 struct sfSoundRecorder
00034 {
00035     typedef sfBool (*FuncType)(const sfInt16*, size_t, void*);
00036 
00037     sfSoundRecorder(FuncType Callback, void* UserData) :
00038     This      (&sfSoundRecorder::ProcessSamples, this),
00039     myCallback(Callback),
00040     myUserData(UserData)
00041     {
00042 
00043     }
00044 
00045     static bool ProcessSamples(const sf::Int16* Samples, std::size_t SamplesCount, void* UserData)
00046     {
00047         // We need to use an extra callback to do the conversion (bool -> sfBool)
00048         sfSoundRecorder* Obj = static_cast<sfSoundRecorder*>(UserData);
00049 
00050         return Obj->myCallback(Samples, SamplesCount, Obj->myUserData) == sfTrue;
00051     }
00052 
00053     sf::SoundRecorder This;
00054     FuncType          myCallback;
00055     void*             myUserData;
00056 };
00057 
00058 
00063 sfSoundRecorder* sfSoundRecorder_Create(sfBool (*Callback)(const sfInt16*, size_t, void*), void* UserData)
00064 {
00065     return new sfSoundRecorder(Callback, UserData);
00066 }
00067 
00068 
00072 void sfSoundRecorder_Destroy(sfSoundRecorder* SoundRecorder)
00073 {
00074     delete SoundRecorder;
00075 }
00076 
00077 
00082 void sfSoundRecorder_Start(sfSoundRecorder* SoundRecorder, unsigned int SampleRate)
00083 {
00084     CSFML_CALL(SoundRecorder, Start(SampleRate));
00085 }
00086 
00087 
00091 void sfSoundRecorder_Stop(sfSoundRecorder* SoundRecorder)
00092 {
00093     CSFML_CALL(SoundRecorder, Stop());
00094 }
00095 
00096 
00100 unsigned int sfSoundRecorder_GetSampleRate(sfSoundRecorder* SoundRecorder)
00101 {
00102     CSFML_CALL_RETURN(SoundRecorder, GetSampleRate(), 0);
00103 }
00104 
00105 
00110 sfBool sfSoundRecorder_CanCapture()
00111 {
00112     return sf::SoundRecorder::CanCapture() ? sfTrue : sfFalse;
00113 }