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annotate src/portaudio_20161030/bindings/cpp/source/portaudiocpp/Device.cxx @ 83:ae30d91d2ffe

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Replace these with versions built using an older toolset (so as to avoid ABI compatibilities when linking on Ubuntu 14.04 for packaging purposes)
author Chris Cannam
date Fri, 07 Feb 2020 11:51:13 +0000
parents 284acf908dcd
children
rev   line source
Chris@55 1 #include "portaudiocpp/Device.hxx"
Chris@55 2
Chris@55 3 #include <cstddef>
Chris@55 4
Chris@55 5 #include "portaudiocpp/HostApi.hxx"
Chris@55 6 #include "portaudiocpp/System.hxx"
Chris@55 7 #include "portaudiocpp/Exception.hxx"
Chris@55 8
Chris@55 9 namespace portaudio
Chris@55 10 {
Chris@55 11
Chris@55 12 // -------------------------------------------------------------------------------
Chris@55 13
Chris@55 14 Device::Device(PaDeviceIndex index) : index_(index)
Chris@55 15 {
Chris@55 16 if (index == paNoDevice)
Chris@55 17 info_ = NULL;
Chris@55 18 else
Chris@55 19 info_ = Pa_GetDeviceInfo(index);
Chris@55 20 }
Chris@55 21
Chris@55 22 Device::~Device()
Chris@55 23 {
Chris@55 24 }
Chris@55 25
Chris@55 26 PaDeviceIndex Device::index() const
Chris@55 27 {
Chris@55 28 return index_;
Chris@55 29 }
Chris@55 30
Chris@55 31 const char *Device::name() const
Chris@55 32 {
Chris@55 33 if (info_ == NULL)
Chris@55 34 return "";
Chris@55 35
Chris@55 36 return info_->name;
Chris@55 37 }
Chris@55 38
Chris@55 39 int Device::maxInputChannels() const
Chris@55 40 {
Chris@55 41 if (info_ == NULL)
Chris@55 42 return 0;
Chris@55 43
Chris@55 44 return info_->maxInputChannels;
Chris@55 45 }
Chris@55 46
Chris@55 47 int Device::maxOutputChannels() const
Chris@55 48 {
Chris@55 49 if (info_ == NULL)
Chris@55 50 return 0;
Chris@55 51
Chris@55 52 return info_->maxOutputChannels;
Chris@55 53 }
Chris@55 54
Chris@55 55 PaTime Device::defaultLowInputLatency() const
Chris@55 56 {
Chris@55 57 if (info_ == NULL)
Chris@55 58 return static_cast<PaTime>(0.0);
Chris@55 59
Chris@55 60 return info_->defaultLowInputLatency;
Chris@55 61 }
Chris@55 62
Chris@55 63 PaTime Device::defaultHighInputLatency() const
Chris@55 64 {
Chris@55 65 if (info_ == NULL)
Chris@55 66 return static_cast<PaTime>(0.0);
Chris@55 67
Chris@55 68 return info_->defaultHighInputLatency;
Chris@55 69 }
Chris@55 70
Chris@55 71 PaTime Device::defaultLowOutputLatency() const
Chris@55 72 {
Chris@55 73 if (info_ == NULL)
Chris@55 74 return static_cast<PaTime>(0.0);
Chris@55 75
Chris@55 76 return info_->defaultLowOutputLatency;
Chris@55 77 }
Chris@55 78
Chris@55 79 PaTime Device::defaultHighOutputLatency() const
Chris@55 80 {
Chris@55 81 if (info_ == NULL)
Chris@55 82 return static_cast<PaTime>(0.0);
Chris@55 83
Chris@55 84 return info_->defaultHighOutputLatency;
Chris@55 85 }
Chris@55 86
Chris@55 87 double Device::defaultSampleRate() const
Chris@55 88 {
Chris@55 89 if (info_ == NULL)
Chris@55 90 return 0.0;
Chris@55 91
Chris@55 92 return info_->defaultSampleRate;
Chris@55 93 }
Chris@55 94
Chris@55 95 // -------------------------------------------------------------------------------
Chris@55 96
Chris@55 97 bool Device::isInputOnlyDevice() const
Chris@55 98 {
Chris@55 99 return (maxOutputChannels() == 0);
Chris@55 100 }
Chris@55 101
Chris@55 102 bool Device::isOutputOnlyDevice() const
Chris@55 103 {
Chris@55 104 return (maxInputChannels() == 0);
Chris@55 105 }
Chris@55 106
Chris@55 107 bool Device::isFullDuplexDevice() const
Chris@55 108 {
Chris@55 109 return (maxInputChannels() > 0 && maxOutputChannels() > 0);
Chris@55 110 }
Chris@55 111
Chris@55 112 bool Device::isSystemDefaultInputDevice() const
Chris@55 113 {
Chris@55 114 return (System::instance().defaultInputDevice() == *this);
Chris@55 115 }
Chris@55 116
Chris@55 117 bool Device::isSystemDefaultOutputDevice() const
Chris@55 118 {
Chris@55 119 return (System::instance().defaultOutputDevice() == *this);
Chris@55 120 }
Chris@55 121
Chris@55 122 bool Device::isHostApiDefaultInputDevice() const
Chris@55 123 {
Chris@55 124 return (hostApi().defaultInputDevice() == *this);
Chris@55 125 }
Chris@55 126
Chris@55 127 bool Device::isHostApiDefaultOutputDevice() const
Chris@55 128 {
Chris@55 129 return (hostApi().defaultOutputDevice() == *this);
Chris@55 130 }
Chris@55 131
Chris@55 132 // -------------------------------------------------------------------------------
Chris@55 133
Chris@55 134 bool Device::operator==(const Device &rhs) const
Chris@55 135 {
Chris@55 136 return (index_ == rhs.index_);
Chris@55 137 }
Chris@55 138
Chris@55 139 bool Device::operator!=(const Device &rhs) const
Chris@55 140 {
Chris@55 141 return !(*this == rhs);
Chris@55 142 }
Chris@55 143
Chris@55 144 // -------------------------------------------------------------------------------
Chris@55 145
Chris@55 146 HostApi &Device::hostApi()
Chris@55 147 {
Chris@55 148 // NOTE: will cause an exception when called for the null device
Chris@55 149 if (info_ == NULL)
Chris@55 150 throw PaException(paInternalError);
Chris@55 151
Chris@55 152 return System::instance().hostApiByIndex(info_->hostApi);
Chris@55 153 }
Chris@55 154
Chris@55 155 const HostApi &Device::hostApi() const
Chris@55 156 {
Chris@55 157 // NOTE; will cause an exception when called for the null device
Chris@55 158 if (info_ == NULL)
Chris@55 159 throw PaException(paInternalError);
Chris@55 160
Chris@55 161 return System::instance().hostApiByIndex(info_->hostApi);
Chris@55 162 }
Chris@55 163
Chris@55 164 // -------------------------------------------------------------------------------
Chris@55 165
Chris@55 166 } // namespace portaudio
Chris@55 167
Chris@55 168