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root / src / portaudio_20161030_catalina_patch / bindings / cpp / source / portaudiocpp / Device.cxx @ 164:9fa11135915a
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#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) const |
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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) const |
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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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