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