Chris@39: #include "portaudiocpp/Device.hxx" Chris@39: Chris@39: #include Chris@39: Chris@39: #include "portaudiocpp/HostApi.hxx" Chris@39: #include "portaudiocpp/System.hxx" Chris@39: #include "portaudiocpp/Exception.hxx" Chris@39: Chris@39: namespace portaudio Chris@39: { Chris@39: Chris@39: // ------------------------------------------------------------------------------- Chris@39: Chris@39: Device::Device(PaDeviceIndex index) : index_(index) Chris@39: { Chris@39: if (index == paNoDevice) Chris@39: info_ = NULL; Chris@39: else Chris@39: info_ = Pa_GetDeviceInfo(index); Chris@39: } Chris@39: Chris@39: Device::~Device() Chris@39: { Chris@39: } Chris@39: Chris@39: PaDeviceIndex Device::index() const Chris@39: { Chris@39: return index_; Chris@39: } Chris@39: Chris@39: const char *Device::name() const Chris@39: { Chris@39: if (info_ == NULL) Chris@39: return ""; Chris@39: Chris@39: return info_->name; Chris@39: } Chris@39: Chris@39: int Device::maxInputChannels() const Chris@39: { Chris@39: if (info_ == NULL) Chris@39: return 0; Chris@39: Chris@39: return info_->maxInputChannels; Chris@39: } Chris@39: Chris@39: int Device::maxOutputChannels() const Chris@39: { Chris@39: if (info_ == NULL) Chris@39: return 0; Chris@39: Chris@39: return info_->maxOutputChannels; Chris@39: } Chris@39: Chris@39: PaTime Device::defaultLowInputLatency() const Chris@39: { Chris@39: if (info_ == NULL) Chris@39: return static_cast(0.0); Chris@39: Chris@39: return info_->defaultLowInputLatency; Chris@39: } Chris@39: Chris@39: PaTime Device::defaultHighInputLatency() const Chris@39: { Chris@39: if (info_ == NULL) Chris@39: return static_cast(0.0); Chris@39: Chris@39: return info_->defaultHighInputLatency; Chris@39: } Chris@39: Chris@39: PaTime Device::defaultLowOutputLatency() const Chris@39: { Chris@39: if (info_ == NULL) Chris@39: return static_cast(0.0); Chris@39: Chris@39: return info_->defaultLowOutputLatency; Chris@39: } Chris@39: Chris@39: PaTime Device::defaultHighOutputLatency() const Chris@39: { Chris@39: if (info_ == NULL) Chris@39: return static_cast(0.0); Chris@39: Chris@39: return info_->defaultHighOutputLatency; Chris@39: } Chris@39: Chris@39: double Device::defaultSampleRate() const Chris@39: { Chris@39: if (info_ == NULL) Chris@39: return 0.0; Chris@39: Chris@39: return info_->defaultSampleRate; Chris@39: } Chris@39: Chris@39: // ------------------------------------------------------------------------------- Chris@39: Chris@39: bool Device::isInputOnlyDevice() const Chris@39: { Chris@39: return (maxOutputChannels() == 0); Chris@39: } Chris@39: Chris@39: bool Device::isOutputOnlyDevice() const Chris@39: { Chris@39: return (maxInputChannels() == 0); Chris@39: } Chris@39: Chris@39: bool Device::isFullDuplexDevice() const Chris@39: { Chris@39: return (maxInputChannels() > 0 && maxOutputChannels() > 0); Chris@39: } Chris@39: Chris@39: bool Device::isSystemDefaultInputDevice() const Chris@39: { Chris@39: return (System::instance().defaultInputDevice() == *this); Chris@39: } Chris@39: Chris@39: bool Device::isSystemDefaultOutputDevice() const Chris@39: { Chris@39: return (System::instance().defaultOutputDevice() == *this); Chris@39: } Chris@39: Chris@39: bool Device::isHostApiDefaultInputDevice() const Chris@39: { Chris@39: return (hostApi().defaultInputDevice() == *this); Chris@39: } Chris@39: Chris@39: bool Device::isHostApiDefaultOutputDevice() const Chris@39: { Chris@39: return (hostApi().defaultOutputDevice() == *this); Chris@39: } Chris@39: Chris@39: // ------------------------------------------------------------------------------- Chris@39: Chris@39: bool Device::operator==(const Device &rhs) Chris@39: { Chris@39: return (index_ == rhs.index_); Chris@39: } Chris@39: Chris@39: bool Device::operator!=(const Device &rhs) Chris@39: { Chris@39: return !(*this == rhs); Chris@39: } Chris@39: Chris@39: // ------------------------------------------------------------------------------- Chris@39: Chris@39: HostApi &Device::hostApi() Chris@39: { Chris@39: // NOTE: will cause an exception when called for the null device Chris@39: if (info_ == NULL) Chris@39: throw PaException(paInternalError); Chris@39: Chris@39: return System::instance().hostApiByIndex(info_->hostApi); Chris@39: } Chris@39: Chris@39: const HostApi &Device::hostApi() const Chris@39: { Chris@39: // NOTE; will cause an exception when called for the null device Chris@39: if (info_ == NULL) Chris@39: throw PaException(paInternalError); Chris@39: Chris@39: return System::instance().hostApiByIndex(info_->hostApi); Chris@39: } Chris@39: Chris@39: // ------------------------------------------------------------------------------- Chris@39: Chris@39: } // namespace portaudio Chris@39: Chris@39: