Mercurial > hg > sv-dependency-builds
diff src/portaudio/bindings/cpp/source/portaudiocpp/Device.cxx @ 4:e13257ea84a4
Add bzip2, zlib, liblo, portaudio sources
author | Chris Cannam |
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date | Wed, 20 Mar 2013 13:59:52 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/portaudio/bindings/cpp/source/portaudiocpp/Device.cxx Wed Mar 20 13:59:52 2013 +0000 @@ -0,0 +1,168 @@ +#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) + { + return (index_ == rhs.index_); + } + + bool Device::operator!=(const Device &rhs) + { + 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 + +