108 lines
2.6 KiB
C++
108 lines
2.6 KiB
C++
#ifndef INCLUDED_PORTAUDIO_SYSTEM_HXX
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#define INCLUDED_PORTAUDIO_SYSTEM_HXX
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// ---------------------------------------------------------------------------------------
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#include "portaudio.h"
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// ---------------------------------------------------------------------------------------
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// Forward declaration(s):
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namespace portaudio
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{
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class Device;
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class Stream;
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class HostApi;
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}
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// ---------------------------------------------------------------------------------------
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// Declaration(s):
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namespace portaudio
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{
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//////
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/// @brief System singleton which represents the PortAudio system.
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///
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/// The System is used to initialize/terminate PortAudio and provide
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/// a single acccess point to the PortAudio System (instance()).
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/// It can be used to iterate through all HostApi 's in the System as
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/// well as all devices in the System. It also provides some utility
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/// functionality of PortAudio.
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///
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/// Terminating the System will also abort and close the open streams.
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/// The Stream objects will need to be deallocated by the client though
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/// (it's usually a good idea to have them cleaned up automatically).
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//////
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class System
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{
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public:
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class HostApiIterator; // forward declaration
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class DeviceIterator; // forward declaration
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// -------------------------------------------------------------------------------
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static int version();
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static const char *versionText();
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static void initialize();
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static void terminate();
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static System &instance();
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static bool exists();
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// -------------------------------------------------------------------------------
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// host apis:
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HostApiIterator hostApisBegin();
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HostApiIterator hostApisEnd();
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HostApi &defaultHostApi();
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HostApi &hostApiByTypeId(PaHostApiTypeId type);
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HostApi &hostApiByIndex(PaHostApiIndex index);
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int hostApiCount();
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// -------------------------------------------------------------------------------
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// devices:
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DeviceIterator devicesBegin();
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DeviceIterator devicesEnd();
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Device &defaultInputDevice();
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Device &defaultOutputDevice();
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Device &deviceByIndex(PaDeviceIndex index);
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int deviceCount();
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static Device &nullDevice();
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// -------------------------------------------------------------------------------
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// misc:
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void sleep(long msec);
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int sizeOfSample(PaSampleFormat format);
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private:
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System();
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~System();
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static System *instance_;
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static int initCount_;
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static HostApi **hostApis_;
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static Device **devices_;
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static Device *nullDevice_;
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};
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} // namespace portaudio
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#endif // INCLUDED_PORTAUDIO_SYSTEM_HXX
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