mirror of
https://github.com/cookiengineer/audacity
synced 2025-11-03 23:53:55 +01:00
169 lines
3.5 KiB
C++
169 lines
3.5 KiB
C++
#include "portaudiocpp/Device.hxx"
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#include <cstddef>
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#include "portaudiocpp/HostApi.hxx"
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#include "portaudiocpp/System.hxx"
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#include "portaudiocpp/Exception.hxx"
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namespace portaudio
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{
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// -------------------------------------------------------------------------------
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Device::Device(PaDeviceIndex index) : index_(index)
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{
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if (index == paNoDevice)
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info_ = NULL;
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else
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info_ = Pa_GetDeviceInfo(index);
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}
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Device::~Device()
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{
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}
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PaDeviceIndex Device::index() const
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{
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return index_;
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}
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const char *Device::name() const
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{
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if (info_ == NULL)
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return "";
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return info_->name;
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}
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int Device::maxInputChannels() const
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{
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if (info_ == NULL)
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return 0;
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return info_->maxInputChannels;
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}
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int Device::maxOutputChannels() const
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{
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if (info_ == NULL)
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return 0;
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return info_->maxOutputChannels;
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}
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PaTime Device::defaultLowInputLatency() const
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{
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if (info_ == NULL)
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return static_cast<PaTime>(0.0);
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return info_->defaultLowInputLatency;
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}
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PaTime Device::defaultHighInputLatency() const
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{
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if (info_ == NULL)
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return static_cast<PaTime>(0.0);
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return info_->defaultHighInputLatency;
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}
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PaTime Device::defaultLowOutputLatency() const
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{
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if (info_ == NULL)
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return static_cast<PaTime>(0.0);
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return info_->defaultLowOutputLatency;
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}
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PaTime Device::defaultHighOutputLatency() const
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{
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if (info_ == NULL)
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return static_cast<PaTime>(0.0);
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return info_->defaultHighOutputLatency;
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}
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double Device::defaultSampleRate() const
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{
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if (info_ == NULL)
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return 0.0;
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return info_->defaultSampleRate;
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}
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// -------------------------------------------------------------------------------
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bool Device::isInputOnlyDevice() const
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{
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return (maxOutputChannels() == 0);
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}
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bool Device::isOutputOnlyDevice() const
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{
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return (maxInputChannels() == 0);
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}
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bool Device::isFullDuplexDevice() const
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{
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return (maxInputChannels() > 0 && maxOutputChannels() > 0);
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}
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bool Device::isSystemDefaultInputDevice() const
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{
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return (System::instance().defaultInputDevice() == *this);
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}
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bool Device::isSystemDefaultOutputDevice() const
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{
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return (System::instance().defaultOutputDevice() == *this);
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}
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bool Device::isHostApiDefaultInputDevice() const
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{
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return (hostApi().defaultInputDevice() == *this);
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}
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bool Device::isHostApiDefaultOutputDevice() const
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{
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return (hostApi().defaultOutputDevice() == *this);
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}
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// -------------------------------------------------------------------------------
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bool Device::operator==(const Device &rhs)
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{
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return (index_ == rhs.index_);
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}
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bool Device::operator!=(const Device &rhs)
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{
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return !(*this == rhs);
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}
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// -------------------------------------------------------------------------------
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HostApi &Device::hostApi()
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{
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// NOTE: will cause an exception when called for the null device
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if (info_ == NULL)
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throw PaException(paInternalError);
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return System::instance().hostApiByIndex(info_->hostApi);
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}
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const HostApi &Device::hostApi() const
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{
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// NOTE; will cause an exception when called for the null device
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if (info_ == NULL)
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throw PaException(paInternalError);
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return System::instance().hostApiByIndex(info_->hostApi);
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}
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// -------------------------------------------------------------------------------
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} // namespace portaudio
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