diff options
Diffstat (limited to '3rdparty/portaudio/bindings/cpp/example')
-rw-r--r-- | 3rdparty/portaudio/bindings/cpp/example/devs.cxx | 308 | ||||
-rw-r--r-- | 3rdparty/portaudio/bindings/cpp/example/sine.cxx | 206 |
2 files changed, 256 insertions, 258 deletions
diff --git a/3rdparty/portaudio/bindings/cpp/example/devs.cxx b/3rdparty/portaudio/bindings/cpp/example/devs.cxx index 31a560f884e..218042f14c4 100644 --- a/3rdparty/portaudio/bindings/cpp/example/devs.cxx +++ b/3rdparty/portaudio/bindings/cpp/example/devs.cxx @@ -8,44 +8,44 @@ // --------------------------------------------------------------------------------------- void printSupportedStandardSampleRates( - const portaudio::DirectionSpecificStreamParameters &inputParameters, - const portaudio::DirectionSpecificStreamParameters &outputParameters) + 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; + 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; } // --------------------------------------------------------------------------------------- @@ -53,125 +53,125 @@ void printSupportedStandardSampleRates( 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 + 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; - } + // 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 occured: " << e.paErrorText() << std::endl; - } - catch (const portaudio::PaCppException &e) - { - std::cout << "A PortAudioCpp error occured: " << e.what() << std::endl; - } - catch (const std::exception &e) - { - std::cout << "A generic exception occured: " << e.what() << std::endl; - } - catch (...) - { - std::cout << "An unknown exception occured." << std::endl; - } - - return 0; + 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 index 0676e3e76ca..acd01e613b1 100644 --- a/3rdparty/portaudio/bindings/cpp/example/sine.cxx +++ b/3rdparty/portaudio/bindings/cpp/example/sine.cxx @@ -20,50 +20,50 @@ const int TABLE_SIZE = 200; 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; - } + 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_; + float *table_; + int tableSize_; + int leftPhase_; + int rightPhase_; }; // --------------------------------------------------------------------------------------- @@ -72,66 +72,64 @@ private: 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 occured: " << e.paErrorText() << std::endl; - } - catch (const portaudio::PaCppException &e) - { - std::cout << "A PortAudioCpp error occured: " << e.what() << std::endl; - } - catch (const std::exception &e) - { - std::cout << "A generic exception occured: " << e.what() << std::endl; - } - catch (...) - { - std::cout << "An unknown exception occured." << std::endl; - } - - return 0; + 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; } - - |