92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
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#ifndef INCLUDED_PORTAUDIO_DEVICE_HXX
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#define INCLUDED_PORTAUDIO_DEVICE_HXX
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// ---------------------------------------------------------------------------------------
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#include <iterator>
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#include "portaudio.h"
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#include "portaudiocpp/SampleDataFormat.hxx"
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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 System;
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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 Class which represents a PortAudio device in the System.
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///
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/// A single physical device in the system may have multiple PortAudio
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/// Device representations using different HostApi 's though. A Device
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/// can be half-duplex or full-duplex. A half-duplex Device can be used
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/// to create a half-duplex Stream. A full-duplex Device can be used to
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/// create a full-duplex Stream. If supported by the HostApi, two
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/// half-duplex Devices can even be used to create a full-duplex Stream.
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///
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/// Note that Device objects are very light-weight and can be passed around
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/// by-value.
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//////
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class Device
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{
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public:
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// query info: name, max in channels, max out channels,
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// default low/high input/output latency, default sample rate
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PaDeviceIndex index() const;
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const char *name() const;
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int maxInputChannels() const;
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int maxOutputChannels() const;
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PaTime defaultLowInputLatency() const;
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PaTime defaultHighInputLatency() const;
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PaTime defaultLowOutputLatency() const;
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PaTime defaultHighOutputLatency() const;
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double defaultSampleRate() const;
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bool isInputOnlyDevice() const; // extended
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bool isOutputOnlyDevice() const; // extended
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bool isFullDuplexDevice() const; // extended
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bool isSystemDefaultInputDevice() const; // extended
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bool isSystemDefaultOutputDevice() const; // extended
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bool isHostApiDefaultInputDevice() const; // extended
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bool isHostApiDefaultOutputDevice() const; // extended
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bool operator==(const Device &rhs) const;
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bool operator!=(const Device &rhs) const;
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// host api reference
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HostApi &hostApi();
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const HostApi &hostApi() const;
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private:
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PaDeviceIndex index_;
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const PaDeviceInfo *info_;
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private:
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friend class System;
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explicit Device(PaDeviceIndex index);
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~Device();
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Device(const Device &); // non-copyable
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Device &operator=(const Device &); // non-copyable
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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_DEVICE_HXX
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