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63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
#ifndef INCLUDED_PORTAUDIO_AUTOSYSTEM_HXX
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#define INCLUDED_PORTAUDIO_AUTOSYSTEM_HXX
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// ---------------------------------------------------------------------------------------
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#include "portaudiocpp/System.hxx"
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// ---------------------------------------------------------------------------------------
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namespace portaudio
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{
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//////
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/// @brief A RAII idiom class to ensure automatic clean-up when an exception is
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/// raised.
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///
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/// A simple helper class which uses the 'Resource Acquisition is Initialization'
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/// idiom (RAII). Use this class to initialize/terminate the System rather than
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/// using System directly. AutoSystem must be created on stack and must be valid
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/// throughout the time you wish to use PortAudioCpp. Your 'main' function might be
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/// a good place for it.
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///
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/// To avoid having to type portaudio::System::instance().xyz() all the time, it's usually
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/// a good idea to make a reference to the System which can be accessed directly.
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/// @verbatim
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/// portaudio::AutoSys autoSys;
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/// portaudio::System &sys = portaudio::System::instance();
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/// @endverbatim
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//////
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class AutoSystem
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{
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public:
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AutoSystem(bool initialize = true)
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{
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if (initialize)
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System::initialize();
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}
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~AutoSystem()
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{
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if (System::exists())
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System::terminate();
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}
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void initialize()
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{
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System::initialize();
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}
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void terminate()
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{
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System::terminate();
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}
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};
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} // namespace portaudio
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// ---------------------------------------------------------------------------------------
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#endif // INCLUDED_PORTAUDIO_AUTOSYSTEM_HXX
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