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#include "portaudiocpp/Device.hxx"
#include <cstddef>
#include "portaudiocpp/HostApi.hxx"
#include "portaudiocpp/System.hxx"
#include "portaudiocpp/Exception.hxx"
namespace portaudio
{
// -------------------------------------------------------------------------------
Device::Device(PaDeviceIndex index) : index_(index)
{
if (index == paNoDevice)
info_ = NULL;
else
info_ = Pa_GetDeviceInfo(index);
}
Device::~Device()
{
}
PaDeviceIndex Device::index() const
{
return index_;
}
const char *Device::name() const
{
if (info_ == NULL)
return "";
return info_->name;
}
int Device::maxInputChannels() const
{
if (info_ == NULL)
return 0;
return info_->maxInputChannels;
}
int Device::maxOutputChannels() const
{
if (info_ == NULL)
return 0;
return info_->maxOutputChannels;
}
PaTime Device::defaultLowInputLatency() const
{
if (info_ == NULL)
return static_cast<PaTime>(0.0);
return info_->defaultLowInputLatency;
}
PaTime Device::defaultHighInputLatency() const
{
if (info_ == NULL)
return static_cast<PaTime>(0.0);
return info_->defaultHighInputLatency;
}
PaTime Device::defaultLowOutputLatency() const
{
if (info_ == NULL)
return static_cast<PaTime>(0.0);
return info_->defaultLowOutputLatency;
}
PaTime Device::defaultHighOutputLatency() const
{
if (info_ == NULL)
return static_cast<PaTime>(0.0);
return info_->defaultHighOutputLatency;
}
double Device::defaultSampleRate() const
{
if (info_ == NULL)
return 0.0;
return info_->defaultSampleRate;
}
// -------------------------------------------------------------------------------
bool Device::isInputOnlyDevice() const
{
return (maxOutputChannels() == 0);
}
bool Device::isOutputOnlyDevice() const
{
return (maxInputChannels() == 0);
}
bool Device::isFullDuplexDevice() const
{
return (maxInputChannels() > 0 && maxOutputChannels() > 0);
}
bool Device::isSystemDefaultInputDevice() const
{
return (System::instance().defaultInputDevice() == *this);
}
bool Device::isSystemDefaultOutputDevice() const
{
return (System::instance().defaultOutputDevice() == *this);
}
bool Device::isHostApiDefaultInputDevice() const
{
return (hostApi().defaultInputDevice() == *this);
}
bool Device::isHostApiDefaultOutputDevice() const
{
return (hostApi().defaultOutputDevice() == *this);
}
// -------------------------------------------------------------------------------
bool Device::operator==(const Device &rhs) const
{
return (index_ == rhs.index_);
}
bool Device::operator!=(const Device &rhs) const
{
return !(*this == rhs);
}
// -------------------------------------------------------------------------------
HostApi &Device::hostApi()
{
// NOTE: will cause an exception when called for the null device
if (info_ == NULL)
throw PaException(paInternalError);
return System::instance().hostApiByIndex(info_->hostApi);
}
const HostApi &Device::hostApi() const
{
// NOTE; will cause an exception when called for the null device
if (info_ == NULL)
throw PaException(paInternalError);
return System::instance().hostApiByIndex(info_->hostApi);
}
// -------------------------------------------------------------------------------
} // namespace portaudio
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