cannam@89: #include "portaudiocpp/Device.hxx" cannam@89: cannam@89: #include cannam@89: cannam@89: #include "portaudiocpp/HostApi.hxx" cannam@89: #include "portaudiocpp/System.hxx" cannam@89: #include "portaudiocpp/Exception.hxx" cannam@89: cannam@89: namespace portaudio cannam@89: { cannam@89: cannam@89: // ------------------------------------------------------------------------------- cannam@89: cannam@89: Device::Device(PaDeviceIndex index) : index_(index) cannam@89: { cannam@89: if (index == paNoDevice) cannam@89: info_ = NULL; cannam@89: else cannam@89: info_ = Pa_GetDeviceInfo(index); cannam@89: } cannam@89: cannam@89: Device::~Device() cannam@89: { cannam@89: } cannam@89: cannam@89: PaDeviceIndex Device::index() const cannam@89: { cannam@89: return index_; cannam@89: } cannam@89: cannam@89: const char *Device::name() const cannam@89: { cannam@89: if (info_ == NULL) cannam@89: return ""; cannam@89: cannam@89: return info_->name; cannam@89: } cannam@89: cannam@89: int Device::maxInputChannels() const cannam@89: { cannam@89: if (info_ == NULL) cannam@89: return 0; cannam@89: cannam@89: return info_->maxInputChannels; cannam@89: } cannam@89: cannam@89: int Device::maxOutputChannels() const cannam@89: { cannam@89: if (info_ == NULL) cannam@89: return 0; cannam@89: cannam@89: return info_->maxOutputChannels; cannam@89: } cannam@89: cannam@89: PaTime Device::defaultLowInputLatency() const cannam@89: { cannam@89: if (info_ == NULL) cannam@89: return static_cast(0.0); cannam@89: cannam@89: return info_->defaultLowInputLatency; cannam@89: } cannam@89: cannam@89: PaTime Device::defaultHighInputLatency() const cannam@89: { cannam@89: if (info_ == NULL) cannam@89: return static_cast(0.0); cannam@89: cannam@89: return info_->defaultHighInputLatency; cannam@89: } cannam@89: cannam@89: PaTime Device::defaultLowOutputLatency() const cannam@89: { cannam@89: if (info_ == NULL) cannam@89: return static_cast(0.0); cannam@89: cannam@89: return info_->defaultLowOutputLatency; cannam@89: } cannam@89: cannam@89: PaTime Device::defaultHighOutputLatency() const cannam@89: { cannam@89: if (info_ == NULL) cannam@89: return static_cast(0.0); cannam@89: cannam@89: return info_->defaultHighOutputLatency; cannam@89: } cannam@89: cannam@89: double Device::defaultSampleRate() const cannam@89: { cannam@89: if (info_ == NULL) cannam@89: return 0.0; cannam@89: cannam@89: return info_->defaultSampleRate; cannam@89: } cannam@89: cannam@89: // ------------------------------------------------------------------------------- cannam@89: cannam@89: bool Device::isInputOnlyDevice() const cannam@89: { cannam@89: return (maxOutputChannels() == 0); cannam@89: } cannam@89: cannam@89: bool Device::isOutputOnlyDevice() const cannam@89: { cannam@89: return (maxInputChannels() == 0); cannam@89: } cannam@89: cannam@89: bool Device::isFullDuplexDevice() const cannam@89: { cannam@89: return (maxInputChannels() > 0 && maxOutputChannels() > 0); cannam@89: } cannam@89: cannam@89: bool Device::isSystemDefaultInputDevice() const cannam@89: { cannam@89: return (System::instance().defaultInputDevice() == *this); cannam@89: } cannam@89: cannam@89: bool Device::isSystemDefaultOutputDevice() const cannam@89: { cannam@89: return (System::instance().defaultOutputDevice() == *this); cannam@89: } cannam@89: cannam@89: bool Device::isHostApiDefaultInputDevice() const cannam@89: { cannam@89: return (hostApi().defaultInputDevice() == *this); cannam@89: } cannam@89: cannam@89: bool Device::isHostApiDefaultOutputDevice() const cannam@89: { cannam@89: return (hostApi().defaultOutputDevice() == *this); cannam@89: } cannam@89: cannam@89: // ------------------------------------------------------------------------------- cannam@89: cannam@89: bool Device::operator==(const Device &rhs) cannam@89: { cannam@89: return (index_ == rhs.index_); cannam@89: } cannam@89: cannam@89: bool Device::operator!=(const Device &rhs) cannam@89: { cannam@89: return !(*this == rhs); cannam@89: } cannam@89: cannam@89: // ------------------------------------------------------------------------------- cannam@89: cannam@89: HostApi &Device::hostApi() cannam@89: { cannam@89: // NOTE: will cause an exception when called for the null device cannam@89: if (info_ == NULL) cannam@89: throw PaException(paInternalError); cannam@89: cannam@89: return System::instance().hostApiByIndex(info_->hostApi); cannam@89: } cannam@89: cannam@89: const HostApi &Device::hostApi() const cannam@89: { cannam@89: // NOTE; will cause an exception when called for the null device cannam@89: if (info_ == NULL) cannam@89: throw PaException(paInternalError); cannam@89: cannam@89: return System::instance().hostApiByIndex(info_->hostApi); cannam@89: } cannam@89: cannam@89: // ------------------------------------------------------------------------------- cannam@89: cannam@89: } // namespace portaudio cannam@89: cannam@89: