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-rw-r--r--3rdparty/portaudio/bindings/cpp/example/devs.cxx177
-rw-r--r--3rdparty/portaudio/bindings/cpp/example/sine.cxx137
2 files changed, 314 insertions, 0 deletions
diff --git a/3rdparty/portaudio/bindings/cpp/example/devs.cxx b/3rdparty/portaudio/bindings/cpp/example/devs.cxx
new file mode 100644
index 0000000..5ef4cab
--- /dev/null
+++ b/3rdparty/portaudio/bindings/cpp/example/devs.cxx
@@ -0,0 +1,177 @@
+#include <iostream>
+#include "portaudiocpp/PortAudioCpp.hxx"
+
+#ifdef WIN32
+#include "portaudiocpp/AsioDeviceAdapter.hxx"
+#endif
+
+// ---------------------------------------------------------------------------------------
+
+void printSupportedStandardSampleRates(
+ const portaudio::DirectionSpecificStreamParameters &inputParameters,
+ const portaudio::DirectionSpecificStreamParameters &outputParameters)
+{
+ static double STANDARD_SAMPLE_RATES[] = {
+ 8000.0, 9600.0, 11025.0, 12000.0, 16000.0, 22050.0, 24000.0, 32000.0,
+ 44100.0, 48000.0, 88200.0, 96000.0, -1 }; // negative terminated list
+
+ int printCount = 0;
+
+ for (int i = 0; STANDARD_SAMPLE_RATES[i] > 0; ++i)
+ {
+ portaudio::StreamParameters tmp = portaudio::StreamParameters(inputParameters, outputParameters, STANDARD_SAMPLE_RATES[i], 0, paNoFlag);
+
+ if (tmp.isSupported())
+ {
+ if (printCount == 0)
+ {
+ std::cout << " " << STANDARD_SAMPLE_RATES[i]; // 8.2
+ printCount = 1;
+ }
+ else if (printCount == 4)
+ {
+ std::cout << "," << std::endl;
+ std::cout << " " << STANDARD_SAMPLE_RATES[i]; // 8.2
+ printCount = 1;
+ }
+ else
+ {
+ std::cout << ", " << STANDARD_SAMPLE_RATES[i]; // 8.2
+ ++printCount;
+ }
+ }
+ }
+
+ if (printCount == 0)
+ std::cout << "None" << std::endl;
+ else
+ std::cout << std::endl;
+}
+
+// ---------------------------------------------------------------------------------------
+
+int main(int, char*[]);
+int main(int, char*[])
+{
+ try
+ {
+ portaudio::AutoSystem autoSys;
+
+ portaudio::System &sys = portaudio::System::instance();
+
+ std::cout << "PortAudio version number = " << sys.version() << std::endl;
+ std::cout << "PortAudio version text = '" << sys.versionText() << "'" << std::endl;
+
+ int numDevices = sys.deviceCount();
+ std::cout << "Number of devices = " << numDevices << std::endl;
+
+ for (portaudio::System::DeviceIterator i = sys.devicesBegin(); i != sys.devicesEnd(); ++i)
+ {
+ std::cout << "--------------------------------------- device #" << (*i).index() << std::endl;
+
+ // Mark global and API specific default devices:
+ bool defaultDisplayed = false;
+
+ if ((*i).isSystemDefaultInputDevice())
+ {
+ std::cout << "[ Default Input";
+ defaultDisplayed = true;
+ }
+ else if ((*i).isHostApiDefaultInputDevice())
+ {
+ std::cout << "[ Default " << (*i).hostApi().name() << " Input";
+ defaultDisplayed = true;
+ }
+
+ if ((*i).isSystemDefaultOutputDevice())
+ {
+ std::cout << (defaultDisplayed ? "," : "[");
+ std::cout << " Default Output";
+ defaultDisplayed = true;
+ }
+ else if ((*i).isHostApiDefaultOutputDevice())
+ {
+ std::cout << (defaultDisplayed ? "," : "[");
+ std::cout << " Default " << (*i).hostApi().name() << " Output";
+ defaultDisplayed = true;
+ }
+
+ if (defaultDisplayed)
+ std::cout << " ]" << std::endl;
+
+ // Print device info:
+ std::cout << "Name = " << (*i).name() << std::endl;
+ std::cout << "Host API = " << (*i).hostApi().name() << std::endl;
+ std::cout << "Max inputs = " << (*i).maxInputChannels() << ", Max outputs = " << (*i).maxOutputChannels() << std::endl;
+
+ std::cout << "Default low input latency = " << (*i).defaultLowInputLatency() << std::endl; // 8.3
+ std::cout << "Default low output latency = " << (*i).defaultLowOutputLatency() << std::endl; // 8.3
+ std::cout << "Default high input latency = " << (*i).defaultHighInputLatency() << std::endl; // 8.3
+ std::cout << "Default high output latency = " << (*i).defaultHighOutputLatency() << std::endl; // 8.3
+
+#ifdef WIN32
+ // ASIO specific latency information:
+ if ((*i).hostApi().typeId() == paASIO)
+ {
+ portaudio::AsioDeviceAdapter asioDevice((*i));
+
+ std::cout << "ASIO minimum buffer size = " << asioDevice.minBufferSize() << std::endl;
+ std::cout << "ASIO maximum buffer size = " << asioDevice.maxBufferSize() << std::endl;
+ std::cout << "ASIO preferred buffer size = " << asioDevice.preferredBufferSize() << std::endl;
+
+ if (asioDevice.granularity() == -1)
+ std::cout << "ASIO buffer granularity = power of 2" << std::endl;
+ else
+ std::cout << "ASIO buffer granularity = " << asioDevice.granularity() << std::endl;
+ }
+#endif // WIN32
+
+ std::cout << "Default sample rate = " << (*i).defaultSampleRate() << std::endl; // 8.2
+
+ // Poll for standard sample rates:
+ portaudio::DirectionSpecificStreamParameters inputParameters((*i), (*i).maxInputChannels(), portaudio::INT16, true, 0.0, NULL);
+ portaudio::DirectionSpecificStreamParameters outputParameters((*i), (*i).maxOutputChannels(), portaudio::INT16, true, 0.0, NULL);
+
+ if (inputParameters.numChannels() > 0)
+ {
+ std::cout << "Supported standard sample rates" << std::endl;
+ std::cout << " for half-duplex 16 bit " << inputParameters.numChannels() << " channel input = " << std::endl;
+ printSupportedStandardSampleRates(inputParameters, portaudio::DirectionSpecificStreamParameters::null());
+ }
+
+ if (outputParameters.numChannels() > 0)
+ {
+ std::cout << "Supported standard sample rates" << std::endl;
+ std::cout << " for half-duplex 16 bit " << outputParameters.numChannels() << " channel output = " << std::endl;
+ printSupportedStandardSampleRates(portaudio::DirectionSpecificStreamParameters::null(), outputParameters);
+ }
+
+ if (inputParameters.numChannels() > 0 && outputParameters.numChannels() > 0)
+ {
+ std::cout << "Supported standard sample rates" << std::endl;
+ std::cout << " for full-duplex 16 bit " << inputParameters.numChannels() << " channel input, " << outputParameters.numChannels() << " channel output = " << std::endl;
+ printSupportedStandardSampleRates(inputParameters, outputParameters);
+ }
+ }
+
+ std::cout << "----------------------------------------------" << std::endl;
+ }
+ catch (const portaudio::PaException &e)
+ {
+ std::cout << "A PortAudio error occurred: " << e.paErrorText() << std::endl;
+ }
+ catch (const portaudio::PaCppException &e)
+ {
+ std::cout << "A PortAudioCpp error occurred: " << e.what() << std::endl;
+ }
+ catch (const std::exception &e)
+ {
+ std::cout << "A generic exception occurred: " << e.what() << std::endl;
+ }
+ catch (...)
+ {
+ std::cout << "An unknown exception occurred." << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/portaudio/bindings/cpp/example/sine.cxx b/3rdparty/portaudio/bindings/cpp/example/sine.cxx
new file mode 100644
index 0000000..0c772e6
--- /dev/null
+++ b/3rdparty/portaudio/bindings/cpp/example/sine.cxx
@@ -0,0 +1,137 @@
+// ---------------------------------------------------------------------------------------
+
+#include <iostream>
+#include <cmath>
+#include <cassert>
+#include <cstddef>
+#include "portaudiocpp/PortAudioCpp.hxx"
+
+// ---------------------------------------------------------------------------------------
+
+// Some constants:
+const int NUM_SECONDS = 5;
+const double SAMPLE_RATE = 44100.0;
+const int FRAMES_PER_BUFFER = 64;
+const int TABLE_SIZE = 200;
+
+// ---------------------------------------------------------------------------------------
+
+// SineGenerator class:
+class SineGenerator
+{
+public:
+ SineGenerator(int tableSize) : tableSize_(tableSize), leftPhase_(0), rightPhase_(0)
+ {
+ const double PI = 3.14159265;
+ table_ = new float[tableSize];
+ for (int i = 0; i < tableSize; ++i)
+ {
+ table_[i] = 0.125f * (float)sin(((double)i/(double)tableSize)*PI*2.);
+ }
+ }
+
+ ~SineGenerator()
+ {
+ delete[] table_;
+ }
+
+ int generate(const void *inputBuffer, void *outputBuffer, unsigned long framesPerBuffer,
+ const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags)
+ {
+ assert(outputBuffer != NULL);
+
+ float **out = static_cast<float **>(outputBuffer);
+
+ for (unsigned int i = 0; i < framesPerBuffer; ++i)
+ {
+ out[0][i] = table_[leftPhase_];
+ out[1][i] = table_[rightPhase_];
+
+ leftPhase_ += 1;
+ if (leftPhase_ >= tableSize_)
+ leftPhase_ -= tableSize_;
+
+ rightPhase_ += 3;
+ if (rightPhase_ >= tableSize_)
+ rightPhase_ -= tableSize_;
+ }
+
+ return paContinue;
+ }
+
+private:
+ float *table_;
+ int tableSize_;
+ int leftPhase_;
+ int rightPhase_;
+};
+
+// ---------------------------------------------------------------------------------------
+
+// main:
+int main(int, char *[]);
+int main(int, char *[])
+{
+ try
+ {
+ // Create a SineGenerator object:
+ SineGenerator sineGenerator(TABLE_SIZE);
+
+ std::cout << "Setting up PortAudio..." << std::endl;
+
+ // Set up the System:
+ portaudio::AutoSystem autoSys;
+ portaudio::System &sys = portaudio::System::instance();
+
+ // Set up the parameters required to open a (Callback)Stream:
+ portaudio::DirectionSpecificStreamParameters outParams(sys.defaultOutputDevice(), 2, portaudio::FLOAT32, false, sys.defaultOutputDevice().defaultLowOutputLatency(), NULL);
+ portaudio::StreamParameters params(portaudio::DirectionSpecificStreamParameters::null(), outParams, SAMPLE_RATE, FRAMES_PER_BUFFER, paClipOff);
+
+ std::cout << "Opening stereo output stream..." << std::endl;
+
+ // Create (and open) a new Stream, using the SineGenerator::generate function as a callback:
+ portaudio::MemFunCallbackStream<SineGenerator> stream(params, sineGenerator, &SineGenerator::generate);
+
+ std::cout << "Starting playback for " << NUM_SECONDS << " seconds." << std::endl;
+
+ // Start the Stream (audio playback starts):
+ stream.start();
+
+ // Wait for 5 seconds:
+ sys.sleep(NUM_SECONDS * 1000);
+
+ std::cout << "Closing stream..." <<std::endl;
+
+ // Stop the Stream (not strictly needed as termintating the System will also stop all open Streams):
+ stream.stop();
+
+ // Close the Stream (not strictly needed as terminating the System will also close all open Streams):
+ stream.close();
+
+ // Terminate the System (not strictly needed as the AutoSystem will also take care of this when it
+ // goes out of scope):
+ sys.terminate();
+
+ std::cout << "Test finished." << std::endl;
+ }
+ catch (const portaudio::PaException &e)
+ {
+ std::cout << "A PortAudio error occurred: " << e.paErrorText() << std::endl;
+ }
+ catch (const portaudio::PaCppException &e)
+ {
+ std::cout << "A PortAudioCpp error occurred: " << e.what() << std::endl;
+ }
+ catch (const std::exception &e)
+ {
+ std::cout << "A generic exception occurred: " << e.what() << std::endl;
+ }
+ catch (...)
+ {
+ std::cout << "An unknown exception occurred." << std::endl;
+ }
+
+ return 0;
+}
+
+