// ---------------------------------------------------------------------------------------
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;
}
// ---------------------------------------------------------------------------------------
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 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;
+ 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;
}
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_;
};
// ---------------------------------------------------------------------------------------
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;
+ 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;
}
-
-
namespace portaudio
{
- // Forward declaration(s):
- class Device;
-
- // Declaration(s):
- //////
- /// @brief Adapts the given Device to an ASIO specific extension.
- ///
- /// Deleting the AsioDeviceAdapter does not affect the underlying
- /// Device.
- //////
- class AsioDeviceAdapter
- {
- public:
- AsioDeviceAdapter(Device &device);
-
- Device &device();
-
- long minBufferSize() const;
- long maxBufferSize() const;
- long preferredBufferSize() const;
- long granularity() const;
-
- void showControlPanel(void *systemSpecific);
-
- const char *inputChannelName(int channelIndex) const;
- const char *outputChannelName(int channelIndex) const;
-
- private:
- Device *device_;
-
- long minBufferSize_;
- long maxBufferSize_;
- long preferredBufferSize_;
- long granularity_;
- };
+ // Forward declaration(s):
+ class Device;
+
+ // Declaration(s):
+ //////
+ /// @brief Adapts the given Device to an ASIO specific extension.
+ ///
+ /// Deleting the AsioDeviceAdapter does not affect the underlying
+ /// Device.
+ //////
+ class AsioDeviceAdapter
+ {
+ public:
+ AsioDeviceAdapter(Device &device);
+
+ Device &device();
+
+ long minBufferSize() const;
+ long maxBufferSize() const;
+ long preferredBufferSize() const;
+ long granularity() const;
+
+ void showControlPanel(void *systemSpecific);
+
+ const char *inputChannelName(int channelIndex) const;
+ const char *outputChannelName(int channelIndex) const;
+
+ private:
+ Device *device_;
+
+ long minBufferSize_;
+ long maxBufferSize_;
+ long preferredBufferSize_;
+ long granularity_;
+ };
}
#endif // INCLUDED_PORTAUDIO_ASIODEVICEADAPTER_HXX
{
- //////
- /// @brief A RAII idiom class to ensure automatic clean-up when an exception is
- /// raised.
- ///
- /// A simple helper class which uses the 'Resource Acquisition is Initialization'
- /// idiom (RAII). Use this class to initialize/terminate the System rather than
- /// using System directly. AutoSystem must be created on stack and must be valid
- /// throughout the time you wish to use PortAudioCpp. Your 'main' function might be
- /// a good place for it.
- ///
- /// To avoid having to type portaudio::System::instance().xyz() all the time, it's usually
- /// a good idea to make a reference to the System which can be accessed directly.
- /// @verbatim
- /// portaudio::AutoSys autoSys;
- /// portaudio::System &sys = portaudio::System::instance();
- /// @endverbatim
- //////
- class AutoSystem
- {
- public:
- AutoSystem(bool initialize = true)
- {
- if (initialize)
- System::initialize();
- }
-
- ~AutoSystem()
- {
- if (System::exists())
- System::terminate();
- }
-
- void initialize()
- {
- System::initialize();
- }
-
- void terminate()
- {
- System::terminate();
- }
- };
+ //////
+ /// @brief A RAII idiom class to ensure automatic clean-up when an exception is
+ /// raised.
+ ///
+ /// A simple helper class which uses the 'Resource Acquisition is Initialization'
+ /// idiom (RAII). Use this class to initialize/terminate the System rather than
+ /// using System directly. AutoSystem must be created on stack and must be valid
+ /// throughout the time you wish to use PortAudioCpp. Your 'main' function might be
+ /// a good place for it.
+ ///
+ /// To avoid having to type portaudio::System::instance().xyz() all the time, it's usually
+ /// a good idea to make a reference to the System which can be accessed directly.
+ /// @verbatim
+ /// portaudio::AutoSys autoSys;
+ /// portaudio::System &sys = portaudio::System::instance();
+ /// @endverbatim
+ //////
+ class AutoSystem
+ {
+ public:
+ AutoSystem(bool initialize = true)
+ {
+ if (initialize)
+ System::initialize();
+ }
+
+ ~AutoSystem()
+ {
+ if (System::exists())
+ System::terminate();
+ }
+
+ void initialize()
+ {
+ System::initialize();
+ }
+
+ void terminate()
+ {
+ System::terminate();
+ }
+ };
} // namespace portaudio
- //////
- /// @brief Stream class for blocking read/write-style input and output.
- //////
- class BlockingStream : public Stream
- {
- public:
- BlockingStream();
- BlockingStream(const StreamParameters ¶meters);
- ~BlockingStream();
+ //////
+ /// @brief Stream class for blocking read/write-style input and output.
+ //////
+ class BlockingStream : public Stream
+ {
+ public:
+ BlockingStream();
+ BlockingStream(const StreamParameters ¶meters);
+ ~BlockingStream();
- void open(const StreamParameters ¶meters);
+ void open(const StreamParameters ¶meters);
- void read(void *buffer, unsigned long numFrames);
- void write(const void *buffer, unsigned long numFrames);
+ void read(void *buffer, unsigned long numFrames);
+ void write(const void *buffer, unsigned long numFrames);
- signed long availableReadSize() const;
- signed long availableWriteSize() const;
+ signed long availableReadSize() const;
+ signed long availableWriteSize() const;
- private:
- BlockingStream(const BlockingStream &); // non-copyable
- BlockingStream &operator=(const BlockingStream &); // non-copyable
- };
+ private:
+ BlockingStream(const BlockingStream &); // non-copyable
+ BlockingStream &operator=(const BlockingStream &); // non-copyable
+ };
// ---------------------------------------------------------------------------------------
#endif // INCLUDED_PORTAUDIO_BLOCKINGSTREAM_HXX
-
// Forward declaration(s)
namespace portaudio
{
- class StreamParameters;
+ class StreamParameters;
}
// ---------------------------------------------------------------------------------------
// Declaration(s):
namespace portaudio
{
- // -----------------------------------------------------------------------------------
-
- //////
- /// @brief Callback stream using a free function with C linkage. It's important that the function
- /// the passed function pointer points to is declared ``extern "C"''.
- //////
- class CFunCallbackStream : public CallbackStream
- {
- public:
- CFunCallbackStream();
- CFunCallbackStream(const StreamParameters ¶meters, PaStreamCallback *funPtr, void *userData);
- ~CFunCallbackStream();
-
- void open(const StreamParameters ¶meters, PaStreamCallback *funPtr, void *userData);
-
- private:
- CFunCallbackStream(const CFunCallbackStream &); // non-copyable
- CFunCallbackStream &operator=(const CFunCallbackStream &); // non-copyable
- };
-
- // -----------------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// @brief Callback stream using a free function with C linkage. It's important that the function
+ /// the passed function pointer points to is declared ``extern "C"''.
+ //////
+ class CFunCallbackStream : public CallbackStream
+ {
+ public:
+ CFunCallbackStream();
+ CFunCallbackStream(const StreamParameters ¶meters, PaStreamCallback *funPtr, void *userData);
+ ~CFunCallbackStream();
+
+ void open(const StreamParameters ¶meters, PaStreamCallback *funPtr, void *userData);
+
+ private:
+ CFunCallbackStream(const CFunCallbackStream &); // non-copyable
+ CFunCallbackStream &operator=(const CFunCallbackStream &); // non-copyable
+ };
+
+ // -----------------------------------------------------------------------------------
} // portaudio
// ---------------------------------------------------------------------------------------
#endif // INCLUDED_PORTAUDIO_MEMFUNCALLBACKSTREAM_HXX
-
namespace portaudio
{
- // -----------------------------------------------------------------------------------
-
- //////
- /// @brief Interface for an object that's callable as a PortAudioCpp callback object (ie that implements the
- /// paCallbackFun method).
- //////
- class CallbackInterface
- {
- public:
- virtual ~CallbackInterface() {}
-
- virtual int paCallbackFun(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
- const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags) = 0;
- };
-
- // -----------------------------------------------------------------------------------
-
- namespace impl
- {
- extern "C"
- {
- int callbackInterfaceToPaCallbackAdapter(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
- const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags,
- void *userData);
- } // extern "C"
- }
-
- // -----------------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// @brief Interface for an object that's callable as a PortAudioCpp callback object (ie that implements the
+ /// paCallbackFun method).
+ //////
+ class CallbackInterface
+ {
+ public:
+ virtual ~CallbackInterface() {}
+
+ virtual int paCallbackFun(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
+ const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags) = 0;
+ };
+
+ // -----------------------------------------------------------------------------------
+
+ namespace impl
+ {
+ extern "C"
+ {
+ int callbackInterfaceToPaCallbackAdapter(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
+ const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags,
+ void *userData);
+ } // extern "C"
+ }
+
+ // -----------------------------------------------------------------------------------
} // namespace portaudio
{
- //////
- /// @brief Base class for all Streams which use a callback-based mechanism.
- //////
- class CallbackStream : public Stream
- {
- protected:
- CallbackStream();
- virtual ~CallbackStream();
-
- public:
- // stream info (time-varying)
- double cpuLoad() const;
-
- private:
- CallbackStream(const CallbackStream &); // non-copyable
- CallbackStream &operator=(const CallbackStream &); // non-copyable
- };
+ //////
+ /// @brief Base class for all Streams which use a callback-based mechanism.
+ //////
+ class CallbackStream : public Stream
+ {
+ protected:
+ CallbackStream();
+ virtual ~CallbackStream();
+
+ public:
+ // stream info (time-varying)
+ double cpuLoad() const;
+
+ private:
+ CallbackStream(const CallbackStream &); // non-copyable
+ CallbackStream &operator=(const CallbackStream &); // non-copyable
+ };
} // namespace portaudio
// Forward declaration(s):
namespace portaudio
{
- class StreamParameters;
+ class StreamParameters;
}
// ---------------------------------------------------------------------------------------
{
- namespace impl
- {
- extern "C"
- {
- int cppCallbackToPaCallbackAdapter(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
- const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags,
- void *userData);
- } // extern "C"
- }
-
- // -----------------------------------------------------------------------------------
-
- //////
- /// @brief Callback stream using a C++ function (either a free function or a static function)
- /// callback.
- //////
- class FunCallbackStream : public CallbackStream
- {
- public:
- typedef int (*CallbackFunPtr)(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
- const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags,
- void *userData);
-
- // -------------------------------------------------------------------------------
-
- //////
- /// @brief Simple structure containing a function pointer to the C++ callback function and a
- /// (void) pointer to the user supplied data.
- //////
- struct CppToCCallbackData
- {
- CppToCCallbackData();
- CppToCCallbackData(CallbackFunPtr funPtr, void *userData);
- void init(CallbackFunPtr funPtr, void *userData);
-
- CallbackFunPtr funPtr;
- void *userData;
- };
-
- // -------------------------------------------------------------------------------
-
- FunCallbackStream();
- FunCallbackStream(const StreamParameters ¶meters, CallbackFunPtr funPtr, void *userData);
- ~FunCallbackStream();
-
- void open(const StreamParameters ¶meters, CallbackFunPtr funPtr, void *userData);
-
- private:
- FunCallbackStream(const FunCallbackStream &); // non-copyable
- FunCallbackStream &operator=(const FunCallbackStream &); // non-copyable
-
- CppToCCallbackData adapterData_;
-
- void open(const StreamParameters ¶meters);
- };
+ namespace impl
+ {
+ extern "C"
+ {
+ int cppCallbackToPaCallbackAdapter(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
+ const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags,
+ void *userData);
+ } // extern "C"
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// @brief Callback stream using a C++ function (either a free function or a static function)
+ /// callback.
+ //////
+ class FunCallbackStream : public CallbackStream
+ {
+ public:
+ typedef int (*CallbackFunPtr)(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
+ const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags,
+ void *userData);
+
+ // -------------------------------------------------------------------------------
+
+ //////
+ /// @brief Simple structure containing a function pointer to the C++ callback function and a
+ /// (void) pointer to the user supplied data.
+ //////
+ struct CppToCCallbackData
+ {
+ CppToCCallbackData();
+ CppToCCallbackData(CallbackFunPtr funPtr, void *userData);
+ void init(CallbackFunPtr funPtr, void *userData);
+
+ CallbackFunPtr funPtr;
+ void *userData;
+ };
+
+ // -------------------------------------------------------------------------------
+
+ FunCallbackStream();
+ FunCallbackStream(const StreamParameters ¶meters, CallbackFunPtr funPtr, void *userData);
+ ~FunCallbackStream();
+
+ void open(const StreamParameters ¶meters, CallbackFunPtr funPtr, void *userData);
+
+ private:
+ FunCallbackStream(const FunCallbackStream &); // non-copyable
+ FunCallbackStream &operator=(const FunCallbackStream &); // non-copyable
+
+ CppToCCallbackData adapterData_;
+
+ void open(const StreamParameters ¶meters);
+ };
} // portaudio
// Forward declaration(s):
namespace portaudio
{
- class System;
- class HostApi;
+ class System;
+ class HostApi;
}
// ---------------------------------------------------------------------------------------
namespace portaudio
{
- //////
- /// @brief Class which represents a PortAudio device in the System.
- ///
- /// A single physical device in the system may have multiple PortAudio
- /// Device representations using different HostApi 's though. A Device
- /// can be half-duplex or full-duplex. A half-duplex Device can be used
- /// to create a half-duplex Stream. A full-duplex Device can be used to
- /// create a full-duplex Stream. If supported by the HostApi, two
- /// half-duplex Devices can even be used to create a full-duplex Stream.
- ///
- /// Note that Device objects are very light-weight and can be passed around
- /// by-value.
- //////
- class Device
- {
- public:
- // query info: name, max in channels, max out channels,
- // default low/high input/output latency, default sample rate
- PaDeviceIndex index() const;
- const char *name() const;
- int maxInputChannels() const;
- int maxOutputChannels() const;
- PaTime defaultLowInputLatency() const;
- PaTime defaultHighInputLatency() const;
- PaTime defaultLowOutputLatency() const;
- PaTime defaultHighOutputLatency() const;
- double defaultSampleRate() const;
-
- bool isInputOnlyDevice() const; // extended
- bool isOutputOnlyDevice() const; // extended
- bool isFullDuplexDevice() const; // extended
- bool isSystemDefaultInputDevice() const; // extended
- bool isSystemDefaultOutputDevice() const; // extended
- bool isHostApiDefaultInputDevice() const; // extended
- bool isHostApiDefaultOutputDevice() const; // extended
-
- bool operator==(const Device &rhs) const;
- bool operator!=(const Device &rhs) const;
-
- // host api reference
- HostApi &hostApi();
- const HostApi &hostApi() const;
-
- private:
- PaDeviceIndex index_;
- const PaDeviceInfo *info_;
-
- private:
- friend class System;
-
- explicit Device(PaDeviceIndex index);
- ~Device();
-
- Device(const Device &); // non-copyable
- Device &operator=(const Device &); // non-copyable
- };
-
- // -----------------------------------------------------------------------------------
+ //////
+ /// @brief Class which represents a PortAudio device in the System.
+ ///
+ /// A single physical device in the system may have multiple PortAudio
+ /// Device representations using different HostApi 's though. A Device
+ /// can be half-duplex or full-duplex. A half-duplex Device can be used
+ /// to create a half-duplex Stream. A full-duplex Device can be used to
+ /// create a full-duplex Stream. If supported by the HostApi, two
+ /// half-duplex Devices can even be used to create a full-duplex Stream.
+ ///
+ /// Note that Device objects are very light-weight and can be passed around
+ /// by-value.
+ //////
+ class Device
+ {
+ public:
+ // query info: name, max in channels, max out channels,
+ // default low/high input/output latency, default sample rate
+ PaDeviceIndex index() const;
+ const char *name() const;
+ int maxInputChannels() const;
+ int maxOutputChannels() const;
+ PaTime defaultLowInputLatency() const;
+ PaTime defaultHighInputLatency() const;
+ PaTime defaultLowOutputLatency() const;
+ PaTime defaultHighOutputLatency() const;
+ double defaultSampleRate() const;
+
+ bool isInputOnlyDevice() const; // extended
+ bool isOutputOnlyDevice() const; // extended
+ bool isFullDuplexDevice() const; // extended
+ bool isSystemDefaultInputDevice() const; // extended
+ bool isSystemDefaultOutputDevice() const; // extended
+ bool isHostApiDefaultInputDevice() const; // extended
+ bool isHostApiDefaultOutputDevice() const; // extended
+
+ bool operator==(const Device &rhs) const;
+ bool operator!=(const Device &rhs) const;
+
+ // host api reference
+ HostApi &hostApi();
+ const HostApi &hostApi() const;
+
+ private:
+ PaDeviceIndex index_;
+ const PaDeviceInfo *info_;
+
+ private:
+ friend class System;
+
+ explicit Device(PaDeviceIndex index);
+ ~Device();
+
+ Device(const Device &); // non-copyable
+ Device &operator=(const Device &); // non-copyable
+ };
+
+ // -----------------------------------------------------------------------------------
} // namespace portaudio
// ---------------------------------------------------------------------------------------
#endif // INCLUDED_PORTAUDIO_DEVICE_HXX
-
// Forward declaration(s):
namespace portaudio
{
- class Device;
+ class Device;
}
// ---------------------------------------------------------------------------------------
namespace portaudio
{
- //////
- /// @brief All parameters for one direction (either in or out) of a Stream. Together with
- /// parameters common to both directions, two DirectionSpecificStreamParameters can make up
- /// a StreamParameters object which contains all parameters for a Stream.
- //////
- class DirectionSpecificStreamParameters
- {
- public:
- static DirectionSpecificStreamParameters null();
+ //////
+ /// @brief All parameters for one direction (either in or out) of a Stream. Together with
+ /// parameters common to both directions, two DirectionSpecificStreamParameters can make up
+ /// a StreamParameters object which contains all parameters for a Stream.
+ //////
+ class DirectionSpecificStreamParameters
+ {
+ public:
+ static DirectionSpecificStreamParameters null();
- DirectionSpecificStreamParameters();
- DirectionSpecificStreamParameters(const Device &device, int numChannels, SampleDataFormat format,
- bool interleaved, PaTime suggestedLatency, void *hostApiSpecificStreamInfo);
+ DirectionSpecificStreamParameters();
+ DirectionSpecificStreamParameters(const Device &device, int numChannels, SampleDataFormat format,
+ bool interleaved, PaTime suggestedLatency, void *hostApiSpecificStreamInfo);
- // Set up methods:
- void setDevice(const Device &device);
- void setNumChannels(int numChannels);
+ // Set up methods:
+ void setDevice(const Device &device);
+ void setNumChannels(int numChannels);
- void setSampleFormat(SampleDataFormat format, bool interleaved = true);
- void setHostApiSpecificSampleFormat(PaSampleFormat format, bool interleaved = true);
+ void setSampleFormat(SampleDataFormat format, bool interleaved = true);
+ void setHostApiSpecificSampleFormat(PaSampleFormat format, bool interleaved = true);
- void setSuggestedLatency(PaTime latency);
+ void setSuggestedLatency(PaTime latency);
- void setHostApiSpecificStreamInfo(void *streamInfo);
+ void setHostApiSpecificStreamInfo(void *streamInfo);
- // Accessor methods:
- PaStreamParameters *paStreamParameters();
- const PaStreamParameters *paStreamParameters() const;
+ // Accessor methods:
+ PaStreamParameters *paStreamParameters();
+ const PaStreamParameters *paStreamParameters() const;
- Device &device() const;
- int numChannels() const;
+ Device &device() const;
+ int numChannels() const;
- SampleDataFormat sampleFormat() const;
- bool isSampleFormatInterleaved() const;
- bool isSampleFormatHostApiSpecific() const;
- PaSampleFormat hostApiSpecificSampleFormat() const;
+ SampleDataFormat sampleFormat() const;
+ bool isSampleFormatInterleaved() const;
+ bool isSampleFormatHostApiSpecific() const;
+ PaSampleFormat hostApiSpecificSampleFormat() const;
- PaTime suggestedLatency() const;
+ PaTime suggestedLatency() const;
- void *hostApiSpecificStreamInfo() const;
-
- private:
- PaStreamParameters paStreamParameters_;
- };
+ void *hostApiSpecificStreamInfo() const;
+
+ private:
+ PaStreamParameters paStreamParameters_;
+ };
} // namespace portaudio
namespace portaudio
{
- //////
- /// @brief Base class for all exceptions PortAudioCpp can throw.
- ///
- /// Class is derived from std::exception.
- //////
- class Exception : public std::exception
- {
- public:
- virtual ~Exception() throw() {}
-
- virtual const char *what() const throw() = 0;
- };
-
- // -----------------------------------------------------------------------------------
-
- //////
- /// @brief Wrapper for PortAudio error codes to C++ exceptions.
- ///
- /// It wraps up PortAudio's error handling mechanism using
- /// C++ exceptions and is derived from std::exception for
- /// easy exception handling and to ease integration with
- /// other code.
- ///
- /// To know what exceptions each function may throw, look up
- /// the errors that can occur in the PortAudio documentation
- /// for the equivalent functions.
- ///
- /// Some functions are likely to throw an exception (such as
- /// Stream::open(), etc) and these should always be called in
- /// try{} catch{} blocks and the thrown exceptions should be
- /// handled properly (ie. the application shouldn't just abort,
- /// but merely display a warning dialog to the user or something).
- /// However nearly all functions in PortAudioCpp are capable
- /// of throwing exceptions. When a function like Stream::isStopped()
- /// throws an exception, it's such an exceptional state that it's
- /// not likely that it can be recovered. PaExceptions such as these
- /// can ``safely'' be left to be handled by some outer catch-all-like
- /// mechanism for unrecoverable errors.
- //////
- class PaException : public Exception
- {
- public:
- explicit PaException(PaError error);
-
- const char *what() const throw();
-
- PaError paError() const;
- const char *paErrorText() const;
-
- bool isHostApiError() const; // extended
- long lastHostApiError() const;
- const char *lastHostApiErrorText() const;
-
- bool operator==(const PaException &rhs) const;
- bool operator!=(const PaException &rhs) const;
-
- private:
- PaError error_;
- };
-
- // -----------------------------------------------------------------------------------
-
- //////
- /// @brief Exceptions specific to PortAudioCpp (ie. exceptions which do not have an
- /// equivalent PortAudio error code).
- //////
- class PaCppException : public Exception
- {
- public:
- enum ExceptionSpecifier
- {
- UNABLE_TO_ADAPT_DEVICE
- };
-
- PaCppException(ExceptionSpecifier specifier);
-
- const char *what() const throw();
-
- ExceptionSpecifier specifier() const;
-
- bool operator==(const PaCppException &rhs) const;
- bool operator!=(const PaCppException &rhs) const;
-
- private:
- ExceptionSpecifier specifier_;
- };
+ //////
+ /// @brief Base class for all exceptions PortAudioCpp can throw.
+ ///
+ /// Class is derived from std::exception.
+ //////
+ class Exception : public std::exception
+ {
+ public:
+ virtual ~Exception() throw() {}
+
+ virtual const char *what() const throw() = 0;
+ };
+
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// @brief Wrapper for PortAudio error codes to C++ exceptions.
+ ///
+ /// It wraps up PortAudio's error handling mechanism using
+ /// C++ exceptions and is derived from std::exception for
+ /// easy exception handling and to ease integration with
+ /// other code.
+ ///
+ /// To know what exceptions each function may throw, look up
+ /// the errors that can occur in the PortAudio documentation
+ /// for the equivalent functions.
+ ///
+ /// Some functions are likely to throw an exception (such as
+ /// Stream::open(), etc) and these should always be called in
+ /// try{} catch{} blocks and the thrown exceptions should be
+ /// handled properly (ie. the application shouldn't just abort,
+ /// but merely display a warning dialog to the user or something).
+ /// However nearly all functions in PortAudioCpp are capable
+ /// of throwing exceptions. When a function like Stream::isStopped()
+ /// throws an exception, it's such an exceptional state that it's
+ /// not likely that it can be recovered. PaExceptions such as these
+ /// can ``safely'' be left to be handled by some outer catch-all-like
+ /// mechanism for unrecoverable errors.
+ //////
+ class PaException : public Exception
+ {
+ public:
+ explicit PaException(PaError error);
+
+ const char *what() const throw();
+
+ PaError paError() const;
+ const char *paErrorText() const;
+
+ bool isHostApiError() const; // extended
+ long lastHostApiError() const;
+ const char *lastHostApiErrorText() const;
+
+ bool operator==(const PaException &rhs) const;
+ bool operator!=(const PaException &rhs) const;
+
+ private:
+ PaError error_;
+ };
+
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// @brief Exceptions specific to PortAudioCpp (ie. exceptions which do not have an
+ /// equivalent PortAudio error code).
+ //////
+ class PaCppException : public Exception
+ {
+ public:
+ enum ExceptionSpecifier
+ {
+ UNABLE_TO_ADAPT_DEVICE
+ };
+
+ PaCppException(ExceptionSpecifier specifier);
+
+ const char *what() const throw();
+
+ ExceptionSpecifier specifier() const;
+
+ bool operator==(const PaCppException &rhs) const;
+ bool operator!=(const PaCppException &rhs) const;
+
+ private:
+ ExceptionSpecifier specifier_;
+ };
} // namespace portaudio
// ---------------------------------------------------------------------------------------
#endif // INCLUDED_PORTAUDIO_EXCEPTION_HXX
-
// Forward declaration(s):
namespace portaudio
{
- class Device;
+ class Device;
}
// ---------------------------------------------------------------------------------------
{
- //////
- /// @brief HostApi represents a host API (usually type of driver) in the System.
- ///
- /// A single System can support multiple HostApi's each one typically having
- /// a set of Devices using that HostApi (usually driver type). All Devices in
- /// the HostApi can be enumerated and the default input/output Device for this
- /// HostApi can be retrieved.
- //////
- class HostApi
- {
- public:
- typedef System::DeviceIterator DeviceIterator;
+ //////
+ /// @brief HostApi represents a host API (usually type of driver) in the System.
+ ///
+ /// A single System can support multiple HostApi's each one typically having
+ /// a set of Devices using that HostApi (usually driver type). All Devices in
+ /// the HostApi can be enumerated and the default input/output Device for this
+ /// HostApi can be retrieved.
+ //////
+ class HostApi
+ {
+ public:
+ typedef System::DeviceIterator DeviceIterator;
- // query info: id, name, numDevices
- PaHostApiTypeId typeId() const;
- PaHostApiIndex index() const;
- const char *name() const;
- int deviceCount() const;
+ // query info: id, name, numDevices
+ PaHostApiTypeId typeId() const;
+ PaHostApiIndex index() const;
+ const char *name() const;
+ int deviceCount() const;
- // iterate devices
- DeviceIterator devicesBegin();
- DeviceIterator devicesEnd();
+ // iterate devices
+ DeviceIterator devicesBegin();
+ DeviceIterator devicesEnd();
- // default devices
- Device &defaultInputDevice() const;
- Device &defaultOutputDevice() const;
+ // default devices
+ Device &defaultInputDevice() const;
+ Device &defaultOutputDevice() const;
- // comparison operators
- bool operator==(const HostApi &rhs) const;
- bool operator!=(const HostApi &rhs) const;
+ // comparison operators
+ bool operator==(const HostApi &rhs) const;
+ bool operator!=(const HostApi &rhs) const;
- private:
- const PaHostApiInfo *info_;
- Device **devices_;
+ private:
+ const PaHostApiInfo *info_;
+ Device **devices_;
- private:
- friend class System;
+ private:
+ friend class System;
- explicit HostApi(PaHostApiIndex index);
- ~HostApi();
+ explicit HostApi(PaHostApiIndex index);
+ ~HostApi();
- HostApi(const HostApi &); // non-copyable
- HostApi &operator=(const HostApi &); // non-copyable
- };
+ HostApi(const HostApi &); // non-copyable
+ HostApi &operator=(const HostApi &); // non-copyable
+ };
}
// ---------------------------------------------------------------------------------------
#endif // INCLUDED_PORTAUDIO_HOSTAPI_HXX
-
// Forward declaration(s)
namespace portaudio
{
- class StreamParameters;
- class CallbackInterface;
+ class StreamParameters;
+ class CallbackInterface;
}
// ---------------------------------------------------------------------------------------
{
- //////
- /// @brief Callback stream using an instance of an object that's derived from the CallbackInterface
- /// interface.
- //////
- class InterfaceCallbackStream : public CallbackStream
- {
- public:
- InterfaceCallbackStream();
- InterfaceCallbackStream(const StreamParameters ¶meters, CallbackInterface &instance);
- ~InterfaceCallbackStream();
-
- void open(const StreamParameters ¶meters, CallbackInterface &instance);
-
- private:
- InterfaceCallbackStream(const InterfaceCallbackStream &); // non-copyable
- InterfaceCallbackStream &operator=(const InterfaceCallbackStream &); // non-copyable
- };
+ //////
+ /// @brief Callback stream using an instance of an object that's derived from the CallbackInterface
+ /// interface.
+ //////
+ class InterfaceCallbackStream : public CallbackStream
+ {
+ public:
+ InterfaceCallbackStream();
+ InterfaceCallbackStream(const StreamParameters ¶meters, CallbackInterface &instance);
+ ~InterfaceCallbackStream();
+
+ void open(const StreamParameters ¶meters, CallbackInterface &instance);
+
+ private:
+ InterfaceCallbackStream(const InterfaceCallbackStream &); // non-copyable
+ InterfaceCallbackStream &operator=(const InterfaceCallbackStream &); // non-copyable
+ };
} // portaudio
{
- //////
- /// @brief Callback stream using a class's member function as a callback. Template argument T is the type of the
- /// class of which a member function is going to be used.
- ///
- /// Example usage:
- /// @verbatim MemFunCallback<MyClass> stream = MemFunCallbackStream(parameters, *this, &MyClass::myCallbackFunction); @endverbatim
- //////
- template<typename T>
- class MemFunCallbackStream : public CallbackStream
- {
- public:
- typedef int (T::*CallbackFunPtr)(const void *, void *, unsigned long, const PaStreamCallbackTimeInfo *,
- PaStreamCallbackFlags);
-
- // -------------------------------------------------------------------------------
-
- MemFunCallbackStream()
- {
- }
-
- MemFunCallbackStream(const StreamParameters ¶meters, T &instance, CallbackFunPtr memFun) : adapter_(instance, memFun)
- {
- open(parameters);
- }
-
- ~MemFunCallbackStream()
- {
- close();
- }
-
- void open(const StreamParameters ¶meters, T &instance, CallbackFunPtr memFun)
- {
- // XXX: need to check if already open?
-
- adapter_.init(instance, memFun);
- open(parameters);
- }
-
- private:
- MemFunCallbackStream(const MemFunCallbackStream &); // non-copyable
- MemFunCallbackStream &operator=(const MemFunCallbackStream &); // non-copyable
-
- //////
- /// @brief Inner class which adapts a member function callback to a CallbackInterface compliant
- /// class (so it can be adapted using the paCallbackAdapter function).
- //////
- class MemFunToCallbackInterfaceAdapter : public CallbackInterface
- {
- public:
- MemFunToCallbackInterfaceAdapter() {}
- MemFunToCallbackInterfaceAdapter(T &instance, CallbackFunPtr memFun) : instance_(&instance), memFun_(memFun) {}
-
- void init(T &instance, CallbackFunPtr memFun)
- {
- instance_ = &instance;
- memFun_ = memFun;
- }
-
- int paCallbackFun(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
- const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags)
- {
- return (instance_->*memFun_)(inputBuffer, outputBuffer, numFrames, timeInfo, statusFlags);
- }
-
- private:
- T *instance_;
- CallbackFunPtr memFun_;
- };
-
- MemFunToCallbackInterfaceAdapter adapter_;
-
- void open(const StreamParameters ¶meters)
- {
- PaError err = Pa_OpenStream(&stream_, parameters.inputParameters().paStreamParameters(), parameters.outputParameters().paStreamParameters(),
- parameters.sampleRate(), parameters.framesPerBuffer(), parameters.flags(), &impl::callbackInterfaceToPaCallbackAdapter,
- static_cast<void *>(&adapter_));
-
- if (err != paNoError)
- throw PaException(err);
- }
- };
+ //////
+ /// @brief Callback stream using a class's member function as a callback. Template argument T is the type of the
+ /// class of which a member function is going to be used.
+ ///
+ /// Example usage:
+ /// @verbatim MemFunCallback<MyClass> stream = MemFunCallbackStream(parameters, *this, &MyClass::myCallbackFunction); @endverbatim
+ //////
+ template<typename T>
+ class MemFunCallbackStream : public CallbackStream
+ {
+ public:
+ typedef int (T::*CallbackFunPtr)(const void *, void *, unsigned long, const PaStreamCallbackTimeInfo *,
+ PaStreamCallbackFlags);
+
+ // -------------------------------------------------------------------------------
+
+ MemFunCallbackStream()
+ {
+ }
+
+ MemFunCallbackStream(const StreamParameters ¶meters, T &instance, CallbackFunPtr memFun) : adapter_(instance, memFun)
+ {
+ open(parameters);
+ }
+
+ ~MemFunCallbackStream()
+ {
+ close();
+ }
+
+ void open(const StreamParameters ¶meters, T &instance, CallbackFunPtr memFun)
+ {
+ // XXX: need to check if already open?
+
+ adapter_.init(instance, memFun);
+ open(parameters);
+ }
+
+ private:
+ MemFunCallbackStream(const MemFunCallbackStream &); // non-copyable
+ MemFunCallbackStream &operator=(const MemFunCallbackStream &); // non-copyable
+
+ //////
+ /// @brief Inner class which adapts a member function callback to a CallbackInterface compliant
+ /// class (so it can be adapted using the paCallbackAdapter function).
+ //////
+ class MemFunToCallbackInterfaceAdapter : public CallbackInterface
+ {
+ public:
+ MemFunToCallbackInterfaceAdapter() {}
+ MemFunToCallbackInterfaceAdapter(T &instance, CallbackFunPtr memFun) : instance_(&instance), memFun_(memFun) {}
+
+ void init(T &instance, CallbackFunPtr memFun)
+ {
+ instance_ = &instance;
+ memFun_ = memFun;
+ }
+
+ int paCallbackFun(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
+ const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags)
+ {
+ return (instance_->*memFun_)(inputBuffer, outputBuffer, numFrames, timeInfo, statusFlags);
+ }
+
+ private:
+ T *instance_;
+ CallbackFunPtr memFun_;
+ };
+
+ MemFunToCallbackInterfaceAdapter adapter_;
+
+ void open(const StreamParameters ¶meters)
+ {
+ PaError err = Pa_OpenStream(&stream_, parameters.inputParameters().paStreamParameters(), parameters.outputParameters().paStreamParameters(),
+ parameters.sampleRate(), parameters.framesPerBuffer(), parameters.flags(), &impl::callbackInterfaceToPaCallbackAdapter,
+ static_cast<void *>(&adapter_));
+
+ if (err != paNoError)
+ throw PaException(err);
+ }
+ };
} // portaudio
//////
/// @mainpage PortAudioCpp
///
-/// <h1>PortAudioCpp - A Native C++ Binding of PortAudio V19</h1>
+/// <h1>PortAudioCpp - A Native C++ Binding of PortAudio V19</h1>
/// <h2>PortAudio</h2>
/// <p>
-/// PortAudio is a portable and mature C API for accessing audio hardware. It offers both callback-based and blocking
-/// style input and output, deals with sample data format conversions, dithering and much more. There are a large number
-/// of implementations available for various platforms including Windows MME, Windows DirectX, Windows and MacOS (Classic)
-/// ASIO, MacOS Classic SoundManager, MacOS X CoreAudio, OSS (Linux), Linux ALSA, JACK (MacOS X and Linux) and SGI Irix
-/// AL. Note that, currently not all of these implementations are equally complete or up-to-date (as PortAudio V19 is
-/// still in development). Because PortAudio has a C API, it can easily be called from a variety of other programming
+/// PortAudio is a portable and mature C API for accessing audio hardware. It offers both callback-based and blocking
+/// style input and output, deals with sample data format conversions, dithering and much more. There are a large number
+/// of implementations available for various platforms including Windows MME, Windows DirectX, Windows and MacOS (Classic)
+/// ASIO, MacOS Classic SoundManager, MacOS X CoreAudio, OSS (Linux), Linux ALSA, JACK (MacOS X and Linux) and SGI Irix
+/// AL. Note that, currently not all of these implementations are equally complete or up-to-date (as PortAudio V19 is
+/// still in development). Because PortAudio has a C API, it can easily be called from a variety of other programming
/// languages.
/// </p>
/// <h2>PortAudioCpp</h2>
/// <p>
-/// Although, it is possible to use PortAudio's C API from within a C++ program, this is usually a little awkward
-/// as procedural and object-oriented paradigms need to be mixed. PortAudioCpp aims to resolve this by encapsulating
-/// PortAudio's C API to form an equivalent object-oriented C++ API. It provides a more natural integration of PortAudio
-/// into C++ programs as well as a more structured interface. PortAudio's concepts were preserved as much as possible and
+/// Although, it is possible to use PortAudio's C API from within a C++ program, this is usually a little awkward
+/// as procedural and object-oriented paradigms need to be mixed. PortAudioCpp aims to resolve this by encapsulating
+/// PortAudio's C API to form an equivalent object-oriented C++ API. It provides a more natural integration of PortAudio
+/// into C++ programs as well as a more structured interface. PortAudio's concepts were preserved as much as possible and
/// no additional features were added except for some `convenience methods'.
/// </p>
/// <p>
/// <ul>
/// <li>Structured object model.</li>
/// <li>C++ exception handling instead of C-style error return codes.</li>
-/// <li>Handling of callbacks using free functions (C and C++), static functions, member functions or instances of classes
+/// <li>Handling of callbacks using free functions (C and C++), static functions, member functions or instances of classes
/// derived from a given interface.</li>
/// <li>STL compliant iterators to host APIs and devices.</li>
/// <li>Some additional convenience functions to more easily set up and use PortAudio.</li>
/// </ul>
/// </p>
/// <p>
-/// PortAudioCpp requires a recent version of the PortAudio V19 source code. This can be obtained from CVS or as a snapshot
-/// from the website. The examples also require the ASIO 2 SDK which can be obtained from the Steinberg website. Alternatively, the
+/// PortAudioCpp requires a recent version of the PortAudio V19 source code. This can be obtained from CVS or as a snapshot
+/// from the website. The examples also require the ASIO 2 SDK which can be obtained from the Steinberg website. Alternatively, the
/// examples can easily be modified to compile without needing ASIO.
/// </p>
/// <p>
/// Other platforms should be easily supported as PortAudioCpp is platform-independent and (reasonably) C++ standard compliant.
/// </p>
/// <p>
-/// This documentation mainly provides information specific to PortAudioCpp. For a more complete explanation of all of the
+/// This documentation mainly provides information specific to PortAudioCpp. For a more complete explanation of all of the
/// concepts used, please consult the PortAudio documentation.
/// </p>
/// <p>
-/// PortAudioCpp was developed by Merlijn Blaauw with many great suggestions and help from Ross Bencina. Ludwig Schwardt provided
-/// GNU/Linux build files and checked G++ compatibility. PortAudioCpp may be used under the same licensing, conditions and
+/// PortAudioCpp was developed by Merlijn Blaauw with many great suggestions and help from Ross Bencina. Ludwig Schwardt provided
+/// GNU/Linux build files and checked G++ compatibility. PortAudioCpp may be used under the same licensing, conditions and
/// warranty as PortAudio. See <a href="http://www.portaudio.com/license.html">the PortAudio license</a> for more details.
/// </p>
/// <h2>Links</h2>
//////
/// @namespace portaudio
///
-/// To avoid name collision, everything in PortAudioCpp is in the portaudio
-/// namespace. If this name is too long it's usually pretty safe to use an
+/// To avoid name collision, everything in PortAudioCpp is in the portaudio
+/// namespace. If this name is too long it's usually pretty safe to use an
/// alias like ``namespace pa = portaudio;''.
//////
{
- //////
- /// @brief PortAudio sample data formats.
- ///
- /// Small helper enum to wrap the PortAudio defines.
- //////
- enum SampleDataFormat
- {
- INVALID_FORMAT = 0,
- FLOAT32 = paFloat32,
- INT32 = paInt32,
- INT24 = paInt24,
- INT16 = paInt16,
- INT8 = paInt8,
- UINT8 = paUInt8
- };
+ //////
+ /// @brief PortAudio sample data formats.
+ ///
+ /// Small helper enum to wrap the PortAudio defines.
+ //////
+ enum SampleDataFormat
+ {
+ INVALID_FORMAT = 0,
+ FLOAT32 = paFloat32,
+ INT32 = paInt32,
+ INT24 = paInt24,
+ INT16 = paInt16,
+ INT8 = paInt8,
+ UINT8 = paUInt8
+ };
} // namespace portaudio
// Forward declaration(s):
namespace portaudio
{
- class StreamParameters;
+ class StreamParameters;
}
// ---------------------------------------------------------------------------------------
{
- //////
- /// @brief A Stream represents an active or inactive input and/or output data
- /// stream in the System.
- ///
- /// Concrete Stream classes should ensure themselves being in a closed state at
- /// destruction (i.e. by calling their own close() method in their deconstructor).
- /// Following good C++ programming practices, care must be taken to ensure no
- /// exceptions are thrown by the deconstructor of these classes. As a consequence,
- /// clients need to explicitly call close() to ensure the stream closed successfully.
- ///
- /// The Stream object can be used to manipulate the Stream's state. Also, time-constant
- /// and time-varying information about the Stream can be retrieved.
- //////
- class Stream
- {
- public:
- // Opening/closing:
- virtual ~Stream();
+ //////
+ /// @brief A Stream represents an active or inactive input and/or output data
+ /// stream in the System.
+ ///
+ /// Concrete Stream classes should ensure themselves being in a closed state at
+ /// destruction (i.e. by calling their own close() method in their deconstructor).
+ /// Following good C++ programming practices, care must be taken to ensure no
+ /// exceptions are thrown by the deconstructor of these classes. As a consequence,
+ /// clients need to explicitly call close() to ensure the stream closed successfully.
+ ///
+ /// The Stream object can be used to manipulate the Stream's state. Also, time-constant
+ /// and time-varying information about the Stream can be retrieved.
+ //////
+ class Stream
+ {
+ public:
+ // Opening/closing:
+ virtual ~Stream();
- virtual void close();
- bool isOpen() const;
+ virtual void close();
+ bool isOpen() const;
- // Additional set up:
- void setStreamFinishedCallback(PaStreamFinishedCallback *callback);
+ // Additional set up:
+ void setStreamFinishedCallback(PaStreamFinishedCallback *callback);
- // State management:
- void start();
- void stop();
- void abort();
+ // State management:
+ void start();
+ void stop();
+ void abort();
- bool isStopped() const;
- bool isActive() const;
+ bool isStopped() const;
+ bool isActive() const;
- // Stream info (time-constant, but might become time-variant soon):
- PaTime inputLatency() const;
- PaTime outputLatency() const;
- double sampleRate() const;
+ // Stream info (time-constant, but might become time-variant soon):
+ PaTime inputLatency() const;
+ PaTime outputLatency() const;
+ double sampleRate() const;
- // Stream info (time-varying):
- PaTime time() const;
+ // Stream info (time-varying):
+ PaTime time() const;
- // Accessors for PortAudio PaStream, useful for interfacing
- // with PortAudio add-ons (such as PortMixer) for instance:
- const PaStream *paStream() const;
- PaStream *paStream();
+ // Accessors for PortAudio PaStream, useful for interfacing
+ // with PortAudio add-ons (such as PortMixer) for instance:
+ const PaStream *paStream() const;
+ PaStream *paStream();
- protected:
- Stream(); // abstract class
+ protected:
+ Stream(); // abstract class
- PaStream *stream_;
+ PaStream *stream_;
- private:
- Stream(const Stream &); // non-copyable
- Stream &operator=(const Stream &); // non-copyable
- };
+ private:
+ Stream(const Stream &); // non-copyable
+ Stream &operator=(const Stream &); // non-copyable
+ };
} // namespace portaudio
#endif // INCLUDED_PORTAUDIO_STREAM_HXX
-
namespace portaudio
{
- //////
- /// @brief The entire set of parameters needed to configure and open
- /// a Stream.
- ///
- /// It contains parameters of input, output and shared parameters.
- /// Using the isSupported() method, the StreamParameters can be
- /// checked if opening a Stream using this StreamParameters would
- /// succeed or not. Accessors are provided to higher-level parameters
- /// aswell as the lower-level parameters which are mainly intended for
- /// internal use.
- //////
- class StreamParameters
- {
- public:
- StreamParameters();
- StreamParameters(const DirectionSpecificStreamParameters &inputParameters,
- const DirectionSpecificStreamParameters &outputParameters, double sampleRate,
- unsigned long framesPerBuffer, PaStreamFlags flags);
-
- // Set up for direction-specific:
- void setInputParameters(const DirectionSpecificStreamParameters ¶meters);
- void setOutputParameters(const DirectionSpecificStreamParameters ¶meters);
-
- // Set up for common parameters:
- void setSampleRate(double sampleRate);
- void setFramesPerBuffer(unsigned long framesPerBuffer);
- void setFlag(PaStreamFlags flag);
- void unsetFlag(PaStreamFlags flag);
- void clearFlags();
-
- // Validation:
- bool isSupported() const;
-
- // Accessors (direction-specific):
- DirectionSpecificStreamParameters &inputParameters();
- const DirectionSpecificStreamParameters &inputParameters() const;
- DirectionSpecificStreamParameters &outputParameters();
- const DirectionSpecificStreamParameters &outputParameters() const;
-
- // Accessors (common):
- double sampleRate() const;
- unsigned long framesPerBuffer() const;
- PaStreamFlags flags() const;
- bool isFlagSet(PaStreamFlags flag) const;
-
- private:
- // Half-duplex specific parameters:
- DirectionSpecificStreamParameters inputParameters_;
- DirectionSpecificStreamParameters outputParameters_;
-
- // Common parameters:
- double sampleRate_;
- unsigned long framesPerBuffer_;
- PaStreamFlags flags_;
- };
+ //////
+ /// @brief The entire set of parameters needed to configure and open
+ /// a Stream.
+ ///
+ /// It contains parameters of input, output and shared parameters.
+ /// Using the isSupported() method, the StreamParameters can be
+ /// checked if opening a Stream using this StreamParameters would
+ /// succeed or not. Accessors are provided to higher-level parameters
+ /// aswell as the lower-level parameters which are mainly intended for
+ /// internal use.
+ //////
+ class StreamParameters
+ {
+ public:
+ StreamParameters();
+ StreamParameters(const DirectionSpecificStreamParameters &inputParameters,
+ const DirectionSpecificStreamParameters &outputParameters, double sampleRate,
+ unsigned long framesPerBuffer, PaStreamFlags flags);
+
+ // Set up for direction-specific:
+ void setInputParameters(const DirectionSpecificStreamParameters ¶meters);
+ void setOutputParameters(const DirectionSpecificStreamParameters ¶meters);
+
+ // Set up for common parameters:
+ void setSampleRate(double sampleRate);
+ void setFramesPerBuffer(unsigned long framesPerBuffer);
+ void setFlag(PaStreamFlags flag);
+ void unsetFlag(PaStreamFlags flag);
+ void clearFlags();
+
+ // Validation:
+ bool isSupported() const;
+
+ // Accessors (direction-specific):
+ DirectionSpecificStreamParameters &inputParameters();
+ const DirectionSpecificStreamParameters &inputParameters() const;
+ DirectionSpecificStreamParameters &outputParameters();
+ const DirectionSpecificStreamParameters &outputParameters() const;
+
+ // Accessors (common):
+ double sampleRate() const;
+ unsigned long framesPerBuffer() const;
+ PaStreamFlags flags() const;
+ bool isFlagSet(PaStreamFlags flag) const;
+
+ private:
+ // Half-duplex specific parameters:
+ DirectionSpecificStreamParameters inputParameters_;
+ DirectionSpecificStreamParameters outputParameters_;
+
+ // Common parameters:
+ double sampleRate_;
+ unsigned long framesPerBuffer_;
+ PaStreamFlags flags_;
+ };
} // namespace portaudio
// Forward declaration(s):
namespace portaudio
{
- class Device;
- class Stream;
- class HostApi;
+ class Device;
+ class Stream;
+ class HostApi;
}
// ---------------------------------------------------------------------------------------
{
- //////
- /// @brief System singleton which represents the PortAudio system.
- ///
- /// The System is used to initialize/terminate PortAudio and provide
- /// a single access point to the PortAudio System (instance()).
- /// It can be used to iterate through all HostApi 's in the System as
- /// well as all devices in the System. It also provides some utility
- /// functionality of PortAudio.
- ///
- /// Terminating the System will also abort and close the open streams.
- /// The Stream objects will need to be deallocated by the client though
- /// (it's usually a good idea to have them cleaned up automatically).
- //////
- class System
- {
- public:
- class HostApiIterator; // forward declaration
- class DeviceIterator; // forward declaration
+ //////
+ /// @brief System singleton which represents the PortAudio system.
+ ///
+ /// The System is used to initialize/terminate PortAudio and provide
+ /// a single access point to the PortAudio System (instance()).
+ /// It can be used to iterate through all HostApi 's in the System as
+ /// well as all devices in the System. It also provides some utility
+ /// functionality of PortAudio.
+ ///
+ /// Terminating the System will also abort and close the open streams.
+ /// The Stream objects will need to be deallocated by the client though
+ /// (it's usually a good idea to have them cleaned up automatically).
+ //////
+ class System
+ {
+ public:
+ class HostApiIterator; // forward declaration
+ class DeviceIterator; // forward declaration
- // -------------------------------------------------------------------------------
+ // -------------------------------------------------------------------------------
- static int version();
- static const char *versionText();
+ static int version();
+ static const char *versionText();
- static void initialize();
- static void terminate();
+ static void initialize();
+ static void terminate();
- static System &instance();
- static bool exists();
+ static System &instance();
+ static bool exists();
- // -------------------------------------------------------------------------------
+ // -------------------------------------------------------------------------------
- // host apis:
- HostApiIterator hostApisBegin();
- HostApiIterator hostApisEnd();
+ // host apis:
+ HostApiIterator hostApisBegin();
+ HostApiIterator hostApisEnd();
- HostApi &defaultHostApi();
+ HostApi &defaultHostApi();
- HostApi &hostApiByTypeId(PaHostApiTypeId type);
- HostApi &hostApiByIndex(PaHostApiIndex index);
+ HostApi &hostApiByTypeId(PaHostApiTypeId type);
+ HostApi &hostApiByIndex(PaHostApiIndex index);
- int hostApiCount();
+ int hostApiCount();
- // -------------------------------------------------------------------------------
+ // -------------------------------------------------------------------------------
- // devices:
- DeviceIterator devicesBegin();
- DeviceIterator devicesEnd();
+ // devices:
+ DeviceIterator devicesBegin();
+ DeviceIterator devicesEnd();
- Device &defaultInputDevice();
- Device &defaultOutputDevice();
+ Device &defaultInputDevice();
+ Device &defaultOutputDevice();
- Device &deviceByIndex(PaDeviceIndex index);
+ Device &deviceByIndex(PaDeviceIndex index);
- int deviceCount();
+ int deviceCount();
- static Device &nullDevice();
+ static Device &nullDevice();
- // -------------------------------------------------------------------------------
+ // -------------------------------------------------------------------------------
- // misc:
- void sleep(long msec);
- int sizeOfSample(PaSampleFormat format);
+ // misc:
+ void sleep(long msec);
+ int sizeOfSample(PaSampleFormat format);
- private:
- System();
- ~System();
+ private:
+ System();
+ ~System();
- static System *instance_;
- static int initCount_;
+ static System *instance_;
+ static int initCount_;
- static HostApi **hostApis_;
- static Device **devices_;
+ static HostApi **hostApis_;
+ static Device **devices_;
- static Device *nullDevice_;
- };
+ static Device *nullDevice_;
+ };
} // namespace portaudio
#endif // INCLUDED_PORTAUDIO_SYSTEM_HXX
-
// Forward declaration(s):
namespace portaudio
{
- class Device;
- class HostApi;
+ class Device;
+ class HostApi;
}
// ---------------------------------------------------------------------------------------
namespace portaudio
{
-
- //////
- /// @brief Iterator class for iterating through all Devices in a System.
- ///
- /// Devices will be iterated by iterating all Devices in each
- /// HostApi in the System. Compliant with the STL bidirectional
- /// iterator concept.
- //////
- class System::DeviceIterator
- {
- public:
- typedef std::bidirectional_iterator_tag iterator_category;
- typedef Device value_type;
- typedef ptrdiff_t difference_type;
- typedef Device * pointer;
- typedef Device & reference;
-
- Device &operator*() const;
- Device *operator->() const;
-
- DeviceIterator &operator++();
- DeviceIterator operator++(int);
- DeviceIterator &operator--();
- DeviceIterator operator--(int);
-
- bool operator==(const DeviceIterator &rhs) const;
- bool operator!=(const DeviceIterator &rhs) const;
-
- private:
- friend class System;
- friend class HostApi;
- Device **ptr_;
- };
+
+ //////
+ /// @brief Iterator class for iterating through all Devices in a System.
+ ///
+ /// Devices will be iterated by iterating all Devices in each
+ /// HostApi in the System. Compliant with the STL bidirectional
+ /// iterator concept.
+ //////
+ class System::DeviceIterator
+ {
+ public:
+ typedef std::bidirectional_iterator_tag iterator_category;
+ typedef Device value_type;
+ typedef ptrdiff_t difference_type;
+ typedef Device * pointer;
+ typedef Device & reference;
+
+ Device &operator*() const;
+ Device *operator->() const;
+
+ DeviceIterator &operator++();
+ DeviceIterator operator++(int);
+ DeviceIterator &operator--();
+ DeviceIterator operator--(int);
+
+ bool operator==(const DeviceIterator &rhs) const;
+ bool operator!=(const DeviceIterator &rhs) const;
+
+ private:
+ friend class System;
+ friend class HostApi;
+ Device **ptr_;
+ };
} // namespace portaudio
// ---------------------------------------------------------------------------------------
#endif // INCLUDED_PORTAUDIO_SYSTEMDEVICEITERATOR_HXX
-
// Forward declaration(s):
namespace portaudio
{
- class HostApi;
+ class HostApi;
}
// ---------------------------------------------------------------------------------------
{
- //////
- /// @brief Iterator class for iterating through all HostApis in a System.
- ///
- /// Compliant with the STL bidirectional iterator concept.
- //////
- class System::HostApiIterator
- {
- public:
- typedef std::bidirectional_iterator_tag iterator_category;
- typedef Device value_type;
- typedef ptrdiff_t difference_type;
- typedef HostApi * pointer;
- typedef HostApi & reference;
-
- HostApi &operator*() const;
- HostApi *operator->() const;
-
- HostApiIterator &operator++();
- HostApiIterator operator++(int);
- HostApiIterator &operator--();
- HostApiIterator operator--(int);
-
- bool operator==(const HostApiIterator &rhs) const;
- bool operator!=(const HostApiIterator &rhs) const;
-
- private:
- friend class System;
- HostApi **ptr_;
- };
+ //////
+ /// @brief Iterator class for iterating through all HostApis in a System.
+ ///
+ /// Compliant with the STL bidirectional iterator concept.
+ //////
+ class System::HostApiIterator
+ {
+ public:
+ typedef std::bidirectional_iterator_tag iterator_category;
+ typedef Device value_type;
+ typedef ptrdiff_t difference_type;
+ typedef HostApi * pointer;
+ typedef HostApi & reference;
+
+ HostApi &operator*() const;
+ HostApi *operator->() const;
+
+ HostApiIterator &operator++();
+ HostApiIterator operator++(int);
+ HostApiIterator &operator--();
+ HostApiIterator operator--(int);
+
+ bool operator==(const HostApiIterator &rhs) const;
+ bool operator!=(const HostApiIterator &rhs) const;
+
+ private:
+ friend class System;
+ HostApi **ptr_;
+ };
} // namespace portaudio
namespace portaudio
{
- AsioDeviceAdapter::AsioDeviceAdapter(Device &device)
- {
- if (device.hostApi().typeId() != paASIO)
- throw PaCppException(PaCppException::UNABLE_TO_ADAPT_DEVICE);
+ AsioDeviceAdapter::AsioDeviceAdapter(Device &device)
+ {
+ if (device.hostApi().typeId() != paASIO)
+ throw PaCppException(PaCppException::UNABLE_TO_ADAPT_DEVICE);
- device_ = &device;
+ device_ = &device;
- PaError err = PaAsio_GetAvailableLatencyValues(device_->index(), &minBufferSize_, &maxBufferSize_,
- &preferredBufferSize_, &granularity_);
+ PaError err = PaAsio_GetAvailableLatencyValues(device_->index(), &minBufferSize_, &maxBufferSize_,
+ &preferredBufferSize_, &granularity_);
- if (err != paNoError)
- throw PaException(err);
+ if (err != paNoError)
+ throw PaException(err);
- }
+ }
- Device &AsioDeviceAdapter::device()
- {
- return *device_;
- }
+ Device &AsioDeviceAdapter::device()
+ {
+ return *device_;
+ }
- long AsioDeviceAdapter::minBufferSize() const
- {
- return minBufferSize_;
- }
+ long AsioDeviceAdapter::minBufferSize() const
+ {
+ return minBufferSize_;
+ }
- long AsioDeviceAdapter::maxBufferSize() const
- {
- return maxBufferSize_;
- }
+ long AsioDeviceAdapter::maxBufferSize() const
+ {
+ return maxBufferSize_;
+ }
- long AsioDeviceAdapter::preferredBufferSize() const
- {
- return preferredBufferSize_;
- }
+ long AsioDeviceAdapter::preferredBufferSize() const
+ {
+ return preferredBufferSize_;
+ }
- long AsioDeviceAdapter::granularity() const
- {
- return granularity_;
- }
+ long AsioDeviceAdapter::granularity() const
+ {
+ return granularity_;
+ }
- void AsioDeviceAdapter::showControlPanel(void *systemSpecific)
- {
- PaError err = PaAsio_ShowControlPanel(device_->index(), systemSpecific);
+ void AsioDeviceAdapter::showControlPanel(void *systemSpecific)
+ {
+ PaError err = PaAsio_ShowControlPanel(device_->index(), systemSpecific);
- if (err != paNoError)
- throw PaException(err);
- }
+ if (err != paNoError)
+ throw PaException(err);
+ }
- const char *AsioDeviceAdapter::inputChannelName(int channelIndex) const
- {
- const char *channelName;
- PaError err = PaAsio_GetInputChannelName(device_->index(), channelIndex, &channelName);
+ const char *AsioDeviceAdapter::inputChannelName(int channelIndex) const
+ {
+ const char *channelName;
+ PaError err = PaAsio_GetInputChannelName(device_->index(), channelIndex, &channelName);
- if (err != paNoError)
- throw PaException(err);
+ if (err != paNoError)
+ throw PaException(err);
- return channelName;
- }
+ return channelName;
+ }
- const char *AsioDeviceAdapter::outputChannelName(int channelIndex) const
- {
- const char *channelName;
- PaError err = PaAsio_GetOutputChannelName(device_->index(), channelIndex, &channelName);
+ const char *AsioDeviceAdapter::outputChannelName(int channelIndex) const
+ {
+ const char *channelName;
+ PaError err = PaAsio_GetOutputChannelName(device_->index(), channelIndex, &channelName);
- if (err != paNoError)
- throw PaException(err);
+ if (err != paNoError)
+ throw PaException(err);
- return channelName;
- }
+ return channelName;
+ }
}
-
-
namespace portaudio
{
- // --------------------------------------------------------------------------------------
-
- BlockingStream::BlockingStream()
- {
- }
-
- BlockingStream::BlockingStream(const StreamParameters ¶meters)
- {
- open(parameters);
- }
-
- BlockingStream::~BlockingStream()
- {
- try
- {
- close();
- }
- catch (...)
- {
- // ignore all errors
- }
- }
-
- // --------------------------------------------------------------------------------------
-
- void BlockingStream::open(const StreamParameters ¶meters)
- {
- PaError err = Pa_OpenStream(&stream_, parameters.inputParameters().paStreamParameters(), parameters.outputParameters().paStreamParameters(),
- parameters.sampleRate(), parameters.framesPerBuffer(), parameters.flags(), NULL, NULL);
-
- if (err != paNoError)
- {
- throw PaException(err);
- }
- }
-
- // --------------------------------------------------------------------------------------
-
- void BlockingStream::read(void *buffer, unsigned long numFrames)
- {
- PaError err = Pa_ReadStream(stream_, buffer, numFrames);
-
- if (err != paNoError)
- {
- throw PaException(err);
- }
- }
-
- void BlockingStream::write(const void *buffer, unsigned long numFrames)
- {
- PaError err = Pa_WriteStream(stream_, buffer, numFrames);
-
- if (err != paNoError)
- {
- throw PaException(err);
- }
- }
-
- // --------------------------------------------------------------------------------------
-
- signed long BlockingStream::availableReadSize() const
- {
- signed long avail = Pa_GetStreamReadAvailable(stream_);
-
- if (avail < 0)
- {
- throw PaException(avail);
- }
-
- return avail;
- }
-
- signed long BlockingStream::availableWriteSize() const
- {
- signed long avail = Pa_GetStreamWriteAvailable(stream_);
-
- if (avail < 0)
- {
- throw PaException(avail);
- }
-
- return avail;
- }
-
- // --------------------------------------------------------------------------------------
+ // --------------------------------------------------------------------------------------
+
+ BlockingStream::BlockingStream()
+ {
+ }
+
+ BlockingStream::BlockingStream(const StreamParameters ¶meters)
+ {
+ open(parameters);
+ }
+
+ BlockingStream::~BlockingStream()
+ {
+ try
+ {
+ close();
+ }
+ catch (...)
+ {
+ // ignore all errors
+ }
+ }
+
+ // --------------------------------------------------------------------------------------
+
+ void BlockingStream::open(const StreamParameters ¶meters)
+ {
+ PaError err = Pa_OpenStream(&stream_, parameters.inputParameters().paStreamParameters(), parameters.outputParameters().paStreamParameters(),
+ parameters.sampleRate(), parameters.framesPerBuffer(), parameters.flags(), NULL, NULL);
+
+ if (err != paNoError)
+ {
+ throw PaException(err);
+ }
+ }
+
+ // --------------------------------------------------------------------------------------
+
+ void BlockingStream::read(void *buffer, unsigned long numFrames)
+ {
+ PaError err = Pa_ReadStream(stream_, buffer, numFrames);
+
+ if (err != paNoError)
+ {
+ throw PaException(err);
+ }
+ }
+
+ void BlockingStream::write(const void *buffer, unsigned long numFrames)
+ {
+ PaError err = Pa_WriteStream(stream_, buffer, numFrames);
+
+ if (err != paNoError)
+ {
+ throw PaException(err);
+ }
+ }
+
+ // --------------------------------------------------------------------------------------
+
+ signed long BlockingStream::availableReadSize() const
+ {
+ signed long avail = Pa_GetStreamReadAvailable(stream_);
+
+ if (avail < 0)
+ {
+ throw PaException(avail);
+ }
+
+ return avail;
+ }
+
+ signed long BlockingStream::availableWriteSize() const
+ {
+ signed long avail = Pa_GetStreamWriteAvailable(stream_);
+
+ if (avail < 0)
+ {
+ throw PaException(avail);
+ }
+
+ return avail;
+ }
+
+ // --------------------------------------------------------------------------------------
} // portaudio
-
-
-
namespace portaudio
{
- CFunCallbackStream::CFunCallbackStream()
- {
- }
+ CFunCallbackStream::CFunCallbackStream()
+ {
+ }
- CFunCallbackStream::CFunCallbackStream(const StreamParameters ¶meters, PaStreamCallback *funPtr, void *userData)
- {
- open(parameters, funPtr, userData);
- }
+ CFunCallbackStream::CFunCallbackStream(const StreamParameters ¶meters, PaStreamCallback *funPtr, void *userData)
+ {
+ open(parameters, funPtr, userData);
+ }
- CFunCallbackStream::~CFunCallbackStream()
- {
- try
- {
- close();
- }
- catch (...)
- {
- // ignore all errors
- }
- }
+ CFunCallbackStream::~CFunCallbackStream()
+ {
+ try
+ {
+ close();
+ }
+ catch (...)
+ {
+ // ignore all errors
+ }
+ }
- // ---------------------------------------------------------------------------------==
+ // ---------------------------------------------------------------------------------==
- void CFunCallbackStream::open(const StreamParameters ¶meters, PaStreamCallback *funPtr, void *userData)
- {
- PaError err = Pa_OpenStream(&stream_, parameters.inputParameters().paStreamParameters(), parameters.outputParameters().paStreamParameters(),
- parameters.sampleRate(), parameters.framesPerBuffer(), parameters.flags(), funPtr, userData);
+ void CFunCallbackStream::open(const StreamParameters ¶meters, PaStreamCallback *funPtr, void *userData)
+ {
+ PaError err = Pa_OpenStream(&stream_, parameters.inputParameters().paStreamParameters(), parameters.outputParameters().paStreamParameters(),
+ parameters.sampleRate(), parameters.framesPerBuffer(), parameters.flags(), funPtr, userData);
- if (err != paNoError)
- {
- throw PaException(err);
- }
- }
+ if (err != paNoError)
+ {
+ throw PaException(err);
+ }
+ }
}
namespace portaudio
{
- namespace impl
- {
+ namespace impl
+ {
- //////
- /// Adapts any CallbackInterface object to a C-callable function (ie this function). A
- /// pointer to the object should be passed as ``userData'' when setting up the callback.
- //////
- int callbackInterfaceToPaCallbackAdapter(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
- const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags, void *userData)
- {
- CallbackInterface *cb = static_cast<CallbackInterface *>(userData);
- return cb->paCallbackFun(inputBuffer, outputBuffer, numFrames, timeInfo, statusFlags);
- }
+ //////
+ /// Adapts any CallbackInterface object to a C-callable function (ie this function). A
+ /// pointer to the object should be passed as ``userData'' when setting up the callback.
+ //////
+ int callbackInterfaceToPaCallbackAdapter(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
+ const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags, void *userData)
+ {
+ CallbackInterface *cb = static_cast<CallbackInterface *>(userData);
+ return cb->paCallbackFun(inputBuffer, outputBuffer, numFrames, timeInfo, statusFlags);
+ }
- } // namespace impl
+ } // namespace impl
} // namespace portaudio
-
-
namespace portaudio
{
- CallbackStream::CallbackStream()
- {
- }
+ CallbackStream::CallbackStream()
+ {
+ }
- CallbackStream::~CallbackStream()
- {
- }
+ CallbackStream::~CallbackStream()
+ {
+ }
- // -----------------------------------------------------------------------------------
-
- double CallbackStream::cpuLoad() const
- {
- return Pa_GetStreamCpuLoad(stream_);
- }
+ // -----------------------------------------------------------------------------------
+
+ double CallbackStream::cpuLoad() const
+ {
+ return Pa_GetStreamCpuLoad(stream_);
+ }
} // namespace portaudio
namespace portaudio
{
- namespace impl
- {
- //////
- /// Adapts any a C++ callback to a C-callable function (ie this function). A
- /// pointer to a struct with the C++ function pointer and the actual user data should be
- /// passed as the ``userData'' parameter when setting up the callback.
- //////
- int cppCallbackToPaCallbackAdapter(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
- const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags, void *userData)
- {
- FunCallbackStream::CppToCCallbackData *data = static_cast<FunCallbackStream::CppToCCallbackData *>(userData);
- return data->funPtr(inputBuffer, outputBuffer, numFrames, timeInfo, statusFlags, data->userData);
- }
- }
+ namespace impl
+ {
+ //////
+ /// Adapts any a C++ callback to a C-callable function (ie this function). A
+ /// pointer to a struct with the C++ function pointer and the actual user data should be
+ /// passed as the ``userData'' parameter when setting up the callback.
+ //////
+ int cppCallbackToPaCallbackAdapter(const void *inputBuffer, void *outputBuffer, unsigned long numFrames,
+ const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags, void *userData)
+ {
+ FunCallbackStream::CppToCCallbackData *data = static_cast<FunCallbackStream::CppToCCallbackData *>(userData);
+ return data->funPtr(inputBuffer, outputBuffer, numFrames, timeInfo, statusFlags, data->userData);
+ }
+ }
- // -----------------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------------
- FunCallbackStream::CppToCCallbackData::CppToCCallbackData()
- {
- }
+ FunCallbackStream::CppToCCallbackData::CppToCCallbackData()
+ {
+ }
- FunCallbackStream::CppToCCallbackData::CppToCCallbackData(CallbackFunPtr funPtr, void *userData) : funPtr(funPtr), userData(userData)
- {
- }
+ FunCallbackStream::CppToCCallbackData::CppToCCallbackData(CallbackFunPtr funPtr, void *userData) : funPtr(funPtr), userData(userData)
+ {
+ }
- void FunCallbackStream::CppToCCallbackData::init(CallbackFunPtr funPtr, void *userData)
- {
- this->funPtr = funPtr;
- this->userData = userData;
- }
+ void FunCallbackStream::CppToCCallbackData::init(CallbackFunPtr funPtr, void *userData)
+ {
+ this->funPtr = funPtr;
+ this->userData = userData;
+ }
- // -----------------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------------
- FunCallbackStream::FunCallbackStream()
- {
- }
+ FunCallbackStream::FunCallbackStream()
+ {
+ }
- FunCallbackStream::FunCallbackStream(const StreamParameters ¶meters, CallbackFunPtr funPtr, void *userData) : adapterData_(funPtr, userData)
- {
- open(parameters);
- }
+ FunCallbackStream::FunCallbackStream(const StreamParameters ¶meters, CallbackFunPtr funPtr, void *userData) : adapterData_(funPtr, userData)
+ {
+ open(parameters);
+ }
- FunCallbackStream::~FunCallbackStream()
- {
- try
- {
- close();
- }
- catch (...)
- {
- // ignore all errors
- }
- }
+ FunCallbackStream::~FunCallbackStream()
+ {
+ try
+ {
+ close();
+ }
+ catch (...)
+ {
+ // ignore all errors
+ }
+ }
- void FunCallbackStream::open(const StreamParameters ¶meters, CallbackFunPtr funPtr, void *userData)
- {
- adapterData_.init(funPtr, userData);
- open(parameters);
- }
+ void FunCallbackStream::open(const StreamParameters ¶meters, CallbackFunPtr funPtr, void *userData)
+ {
+ adapterData_.init(funPtr, userData);
+ open(parameters);
+ }
- void FunCallbackStream::open(const StreamParameters ¶meters)
- {
- PaError err = Pa_OpenStream(&stream_, parameters.inputParameters().paStreamParameters(), parameters.outputParameters().paStreamParameters(),
- parameters.sampleRate(), parameters.framesPerBuffer(), parameters.flags(), &impl::cppCallbackToPaCallbackAdapter,
- static_cast<void *>(&adapterData_));
+ void FunCallbackStream::open(const StreamParameters ¶meters)
+ {
+ PaError err = Pa_OpenStream(&stream_, parameters.inputParameters().paStreamParameters(), parameters.outputParameters().paStreamParameters(),
+ parameters.sampleRate(), parameters.framesPerBuffer(), parameters.flags(), &impl::cppCallbackToPaCallbackAdapter,
+ static_cast<void *>(&adapterData_));
- if (err != paNoError)
- {
- throw PaException(err);
- }
- }
+ if (err != paNoError)
+ {
+ throw PaException(err);
+ }
+ }
- // -----------------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------------
}
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);
- }
+ // -------------------------------------------------------------------------------
+
+ 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::isHostApiDefaultInputDevice() const
+ {
+ return (hostApi().defaultInputDevice() == *this);
+ }
+
+ bool Device::isHostApiDefaultOutputDevice() const
+ {
+ return (hostApi().defaultOutputDevice() == *this);
+ }
- // -------------------------------------------------------------------------------
+ // -------------------------------------------------------------------------------
- bool Device::operator==(const Device &rhs) const
- {
- return (index_ == rhs.index_);
- }
+ bool Device::operator==(const Device &rhs) const
+ {
+ return (index_ == rhs.index_);
+ }
- bool Device::operator!=(const Device &rhs) const
- {
- return !(*this == rhs);
- }
+ bool Device::operator!=(const Device &rhs) const
+ {
+ return !(*this == rhs);
+ }
- // -------------------------------------------------------------------------------
+ // -------------------------------------------------------------------------------
- HostApi &Device::hostApi()
- {
- // NOTE: will cause an exception when called for the null device
- if (info_ == NULL)
- throw PaException(paInternalError);
+ 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);
- }
+ 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);
+ 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);
- }
+ return System::instance().hostApiByIndex(info_->hostApi);
+ }
- // -------------------------------------------------------------------------------
+ // -------------------------------------------------------------------------------
} // namespace portaudio
-
-
namespace portaudio
{
- // -----------------------------------------------------------------------------------
-
- //////
- /// Returns a `nil' DirectionSpecificStreamParameters object. This can be used to
- /// specify that one direction of a Stream is not required (i.e. when creating
- /// a half-duplex Stream). All fields of the null DirectionSpecificStreamParameters
- /// object are invalid except for the device and the number of channel, which are set
- /// to paNoDevice and 0 respectively.
- //////
- DirectionSpecificStreamParameters DirectionSpecificStreamParameters::null()
- {
- DirectionSpecificStreamParameters tmp;
- tmp.paStreamParameters_.device = paNoDevice;
- tmp.paStreamParameters_.channelCount = 0;
- return tmp;
- }
-
- // -----------------------------------------------------------------------------------
-
- //////
- /// Default constructor -- all parameters will be uninitialized.
- //////
- DirectionSpecificStreamParameters::DirectionSpecificStreamParameters()
- {
- }
-
- //////
- /// Constructor which sets all required fields.
- //////
- DirectionSpecificStreamParameters::DirectionSpecificStreamParameters(const Device &device, int numChannels,
- SampleDataFormat format, bool interleaved, PaTime suggestedLatency, void *hostApiSpecificStreamInfo)
- {
- setDevice(device);
- setNumChannels(numChannels);
- setSampleFormat(format, interleaved);
- setSuggestedLatency(suggestedLatency);
- setHostApiSpecificStreamInfo(hostApiSpecificStreamInfo);
- }
-
- // -----------------------------------------------------------------------------------
-
- void DirectionSpecificStreamParameters::setDevice(const Device &device)
- {
- paStreamParameters_.device = device.index();
- }
-
- void DirectionSpecificStreamParameters::setNumChannels(int numChannels)
- {
- paStreamParameters_.channelCount = numChannels;
- }
-
- void DirectionSpecificStreamParameters::setSampleFormat(SampleDataFormat format, bool interleaved)
- {
-
paStreamParameters_.sampleFormat = static_cast<PaSampleFormat>(format);
-
- if (!interleaved)
- paStreamParameters_.sampleFormat |= paNonInterleaved;
- }
-
- void DirectionSpecificStreamParameters::setHostApiSpecificSampleFormat(PaSampleFormat format, bool interleaved)
- {
- paStreamParameters_.sampleFormat = format;
-
- paStreamParameters_.sampleFormat |= paCustomFormat;
-
- if (!interleaved)
- paStreamParameters_.sampleFormat |= paNonInterleaved;
- }
-
- void DirectionSpecificStreamParameters::setSuggestedLatency(PaTime latency)
- {
- paStreamParameters_.suggestedLatency = latency;
- }
-
- void DirectionSpecificStreamParameters::setHostApiSpecificStreamInfo(void *streamInfo)
- {
- paStreamParameters_.hostApiSpecificStreamInfo = streamInfo;
- }
-
- // -----------------------------------------------------------------------------------
-
- PaStreamParameters *DirectionSpecificStreamParameters::paStreamParameters()
- {
- if (paStreamParameters_.channelCount > 0 && paStreamParameters_.device != paNoDevice)
- return &paStreamParameters_;
- else
- return NULL;
- }
-
- const PaStreamParameters *DirectionSpecificStreamParameters::paStreamParameters() const
- {
- if (paStreamParameters_.channelCount > 0 && paStreamParameters_.device != paNoDevice)
- return &paStreamParameters_;
- else
- return NULL;
- }
-
- Device &DirectionSpecificStreamParameters::device() const
- {
- return System::instance().deviceByIndex(paStreamParameters_.device);
- }
-
- int DirectionSpecificStreamParameters::numChannels() const
- {
- return paStreamParameters_.channelCount;
- }
-
- //////
- /// Returns the (non host api-specific) sample format, without including
- /// the paNonInterleaved flag. If the sample format is host api-spefific,
- /// INVALID_FORMAT (0) will be returned.
- //////
- SampleDataFormat DirectionSpecificStreamParameters::sampleFormat() const
- {
- if (isSampleFormatHostApiSpecific())
- return INVALID_FORMAT;
- else
- return static_cast<SampleDataFormat>(paStreamParameters_.sampleFormat & ~paNonInterleaved);
- }
-
- bool DirectionSpecificStreamParameters::isSampleFormatInterleaved() const
- {
- return ((paStreamParameters_.sampleFormat & paNonInterleaved) == 0);
- }
-
- bool DirectionSpecificStreamParameters::isSampleFormatHostApiSpecific() const
- {
- return ((paStreamParameters_.sampleFormat & paCustomFormat) == 0);
- }
-
- //////
- /// Returns the host api-specific sample format, without including any
- /// paCustomFormat or paNonInterleaved flags. Will return 0 if the sample format is
- /// not host api-specific.
- //////
- PaSampleFormat DirectionSpecificStreamParameters::hostApiSpecificSampleFormat() const
- {
- if (isSampleFormatHostApiSpecific())
- return paStreamParameters_.sampleFormat & ~paCustomFormat & ~paNonInterleaved;
- else
- return 0;
- }
-
- PaTime DirectionSpecificStreamParameters::suggestedLatency() const
- {
- return paStreamParameters_.suggestedLatency;
- }
-
- void *DirectionSpecificStreamParameters::hostApiSpecificStreamInfo() const
- {
- return paStreamParameters_.hostApiSpecificStreamInfo;
- }
-
- // -----------------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// Returns a `nil' DirectionSpecificStreamParameters object. This can be used to
+ /// specify that one direction of a Stream is not required (i.e. when creating
+ /// a half-duplex Stream). All fields of the null DirectionSpecificStreamParameters
+ /// object are invalid except for the device and the number of channel, which are set
+ /// to paNoDevice and 0 respectively.
+ //////
+ DirectionSpecificStreamParameters DirectionSpecificStreamParameters::null()
+ {
+ DirectionSpecificStreamParameters tmp;
+ tmp.paStreamParameters_.device = paNoDevice;
+ tmp.paStreamParameters_.channelCount = 0;
+ return tmp;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// Default constructor -- all parameters will be uninitialized.
+ //////
+ DirectionSpecificStreamParameters::DirectionSpecificStreamParameters()
+ {
+ }
+
+ //////
+ /// Constructor which sets all required fields.
+ //////
+ DirectionSpecificStreamParameters::DirectionSpecificStreamParameters(const Device &device, int numChannels,
+ SampleDataFormat format, bool interleaved, PaTime suggestedLatency, void *hostApiSpecificStreamInfo)
+ {
+ setDevice(device);
+ setNumChannels(numChannels);
+ setSampleFormat(format, interleaved);
+ setSuggestedLatency(suggestedLatency);
+ setHostApiSpecificStreamInfo(hostApiSpecificStreamInfo);
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ void DirectionSpecificStreamParameters::setDevice(const Device &device)
+ {
+ paStreamParameters_.device = device.index();
+ }
+
+ void DirectionSpecificStreamParameters::setNumChannels(int numChannels)
+ {
+ paStreamParameters_.channelCount = numChannels;
+ }
+
+ void DirectionSpecificStreamParameters::setSampleFormat(SampleDataFormat format, bool interleaved)
+ {
+ paStreamParameters_.sampleFormat = static_cast<PaSampleFormat>(format);
+
+ if (!interleaved)
+ paStreamParameters_.sampleFormat |= paNonInterleaved;
+ }
+
+ void DirectionSpecificStreamParameters::setHostApiSpecificSampleFormat(PaSampleFormat format, bool interleaved)
+ {
+ paStreamParameters_.sampleFormat = format;
+
+ paStreamParameters_.sampleFormat |= paCustomFormat;
+
+ if (!interleaved)
+ paStreamParameters_.sampleFormat |= paNonInterleaved;
+ }
+
+ void DirectionSpecificStreamParameters::setSuggestedLatency(PaTime latency)
+ {
+ paStreamParameters_.suggestedLatency = latency;
+ }
+
+ void DirectionSpecificStreamParameters::setHostApiSpecificStreamInfo(void *streamInfo)
+ {
+ paStreamParameters_.hostApiSpecificStreamInfo = streamInfo;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ PaStreamParameters *DirectionSpecificStreamParameters::paStreamParameters()
+ {
+ if (paStreamParameters_.channelCount > 0 && paStreamParameters_.device != paNoDevice)
+ return &paStreamParameters_;
+ else
+ return NULL;
+ }
+
+ const PaStreamParameters *DirectionSpecificStreamParameters::paStreamParameters() const
+ {
+ if (paStreamParameters_.channelCount > 0 && paStreamParameters_.device != paNoDevice)
+ return &paStreamParameters_;
+ else
+ return NULL;
+ }
+
+ Device &DirectionSpecificStreamParameters::device() const
+ {
+ return System::instance().deviceByIndex(paStreamParameters_.device);
+ }
+
+ int DirectionSpecificStreamParameters::numChannels() const
+ {
+ return paStreamParameters_.channelCount;
+ }
+
+ //////
+ /// Returns the (non host api-specific) sample format, without including
+ /// the paNonInterleaved flag. If the sample format is host api-spefific,
+ /// INVALID_FORMAT (0) will be returned.
+ //////
+ SampleDataFormat DirectionSpecificStreamParameters::sampleFormat() const
+ {
+ if (isSampleFormatHostApiSpecific())
+ return INVALID_FORMAT;
+ else
+ return static_cast<SampleDataFormat>(paStreamParameters_.sampleFormat & ~paNonInterleaved);
+ }
+
+ bool DirectionSpecificStreamParameters::isSampleFormatInterleaved() const
+ {
+ return ((paStreamParameters_.sampleFormat & paNonInterleaved) == 0);
+ }
+
+ bool DirectionSpecificStreamParameters::isSampleFormatHostApiSpecific() const
+ {
+ return ((paStreamParameters_.sampleFormat & paCustomFormat) == 0);
+ }
+
+ //////
+ /// Returns the host api-specific sample format, without including any
+ /// paCustomFormat or paNonInterleaved flags. Will return 0 if the sample format is
+ /// not host api-specific.
+ //////
+ PaSampleFormat DirectionSpecificStreamParameters::hostApiSpecificSampleFormat() const
+ {
+ if (isSampleFormatHostApiSpecific())
+ return paStreamParameters_.sampleFormat & ~paCustomFormat & ~paNonInterleaved;
+ else
+ return 0;
+ }
+
+ PaTime DirectionSpecificStreamParameters::suggestedLatency() const
+ {
+ return paStreamParameters_.suggestedLatency;
+ }
+
+ void *DirectionSpecificStreamParameters::hostApiSpecificStreamInfo() const
+ {
+ return paStreamParameters_.hostApiSpecificStreamInfo;
+ }
+
+ // -----------------------------------------------------------------------------------
} // namespace portaudio
namespace portaudio
{
- // -----------------------------------------------------------------------------------
- // PaException:
- // -----------------------------------------------------------------------------------
-
- //////
- /// Wraps a PortAudio error into a PortAudioCpp PaException.
- //////
- PaException::PaException(PaError error) : error_(error)
- {
- }
-
- // -----------------------------------------------------------------------------------
-
- //////
- /// Alias for paErrorText(), to have std::exception compliance.
- //////
- const char *PaException::what() const throw()
- {
- return paErrorText();
- }
-
- // -----------------------------------------------------------------------------------
-
- //////
- /// Returns the PortAudio error code (PaError).
- //////
- PaError PaException::paError() const
- {
- return error_;
- }
-
- //////
- /// Returns the error as a (zero-terminated) text string.
- //////
- const char *PaException::paErrorText() const
- {
- return Pa_GetErrorText(error_);
- }
-
- //////
- /// Returns true is the error is a HostApi error.
- //////
- bool PaException::isHostApiError() const
- {
- return (error_ == paUnanticipatedHostError);
- }
-
- //////
- /// Returns the last HostApi error (which is the current one if
- /// isHostApiError() returns true) as an error code.
- //////
- long PaException::lastHostApiError() const
- {
- return Pa_GetLastHostErrorInfo()->errorCode;
- }
-
- //////
- /// Returns the last HostApi error (which is the current one if
- /// isHostApiError() returns true) as a (zero-terminated) text
- /// string, if it's available.
- //////
- const char *PaException::lastHostApiErrorText() const
- {
- return Pa_GetLastHostErrorInfo()->errorText;
- }
-
- // -----------------------------------------------------------------------------------
-
- bool PaException::operator==(const PaException &rhs) const
- {
- return (error_ == rhs.error_);
- }
-
- bool PaException::operator!=(const PaException &rhs) const
- {
- return !(*this == rhs);
- }
-
- // -----------------------------------------------------------------------------------
- // PaCppException:
- // -----------------------------------------------------------------------------------
-
- PaCppException::PaCppException(ExceptionSpecifier specifier) : specifier_(specifier)
- {
- }
-
- const char *PaCppException::what() const throw()
- {
- switch (specifier_)
- {
- case UNABLE_TO_ADAPT_DEVICE:
- {
- return "Unable to adapt the given device to the specified host api specific device extension";
- }
- }
-
- return "Unknown exception";
- }
-
- PaCppException::ExceptionSpecifier PaCppException::specifier() const
- {
- return specifier_;
- }
-
- bool PaCppException::operator==(const PaCppException &rhs) const
- {
- return (specifier_ == rhs.specifier_);
- }
-
- bool PaCppException::operator!=(const PaCppException &rhs) const
- {
- return !(*this == rhs);
- }
-
- // -----------------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------------
+ // PaException:
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// Wraps a PortAudio error into a PortAudioCpp PaException.
+ //////
+ PaException::PaException(PaError error) : error_(error)
+ {
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// Alias for paErrorText(), to have std::exception compliance.
+ //////
+ const char *PaException::what() const throw()
+ {
+ return paErrorText();
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// Returns the PortAudio error code (PaError).
+ //////
+ PaError PaException::paError() const
+ {
+ return error_;
+ }
+
+ //////
+ /// Returns the error as a (zero-terminated) text string.
+ //////
+ const char *PaException::paErrorText() const
+ {
+ return Pa_GetErrorText(error_);
+ }
+
+ //////
+ /// Returns true is the error is a HostApi error.
+ //////
+ bool PaException::isHostApiError() const
+ {
+ return (error_ == paUnanticipatedHostError);
+ }
+
+ //////
+ /// Returns the last HostApi error (which is the current one if
+ /// isHostApiError() returns true) as an error code.
+ //////
+ long PaException::lastHostApiError() const
+ {
+ return Pa_GetLastHostErrorInfo()->errorCode;
+ }
+
+ //////
+ /// Returns the last HostApi error (which is the current one if
+ /// isHostApiError() returns true) as a (zero-terminated) text
+ /// string, if it's available.
+ //////
+ const char *PaException::lastHostApiErrorText() const
+ {
+ return Pa_GetLastHostErrorInfo()->errorText;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ bool PaException::operator==(const PaException &rhs) const
+ {
+ return (error_ == rhs.error_);
+ }
+
+ bool PaException::operator!=(const PaException &rhs) const
+ {
+ return !(*this == rhs);
+ }
+
+ // -----------------------------------------------------------------------------------
+ // PaCppException:
+ // -----------------------------------------------------------------------------------
+
+ PaCppException::PaCppException(ExceptionSpecifier specifier) : specifier_(specifier)
+ {
+ }
+
+ const char *PaCppException::what() const throw()
+ {
+ switch (specifier_)
+ {
+ case UNABLE_TO_ADAPT_DEVICE:
+ {
+ return "Unable to adapt the given device to the specified host api specific device extension";
+ }
+ }
+
+ return "Unknown exception";
+ }
+
+ PaCppException::ExceptionSpecifier PaCppException::specifier() const
+ {
+ return specifier_;
+ }
+
+ bool PaCppException::operator==(const PaCppException &rhs) const
+ {
+ return (specifier_ == rhs.specifier_);
+ }
+
+ bool PaCppException::operator!=(const PaCppException &rhs) const
+ {
+ return !(*this == rhs);
+ }
+
+ // -----------------------------------------------------------------------------------
} // namespace portaudio
-
-
namespace portaudio
{
- // -----------------------------------------------------------------------------------
-
- HostApi::HostApi(PaHostApiIndex index) : devices_(NULL)
- {
- try
- {
- info_ = Pa_GetHostApiInfo(index);
-
- // Create and populate devices array:
- int numDevices = deviceCount();
-
- devices_ = new Device*[numDevices];
-
- for (int i = 0; i < numDevices; ++i)
- {
- PaDeviceIndex deviceIndex = Pa_HostApiDeviceIndexToDeviceIndex(index, i);
-
- if (deviceIndex < 0)
- {
- throw PaException(deviceIndex);
- }
-
- devices_[i] = &System::instance().deviceByIndex(deviceIndex);
- }
- }
- catch (const std::exception &e)
- {
- // Delete any (partially) constructed objects (deconstructor isn't called):
- delete[] devices_; // devices_ is either NULL or valid
-
- // Re-throw exception:
- throw e;
- }
- }
-
- HostApi::~HostApi()
- {
- // Destroy devices array:
- delete[] devices_;
- }
-
- // -----------------------------------------------------------------------------------
-
- PaHostApiTypeId HostApi::typeId() const
- {
- return info_->type;
- }
-
- PaHostApiIndex HostApi::index() const
- {
- PaHostApiIndex index = Pa_HostApiTypeIdToHostApiIndex(typeId());
-
- if (index < 0)
- throw PaException(index);
-
- return index;
- }
-
- const char *HostApi::name() const
- {
- return info_->name;
- }
-
- int HostApi::deviceCount() const
- {
- return info_->deviceCount;
- }
-
- // -----------------------------------------------------------------------------------
-
- HostApi::DeviceIterator HostApi::devicesBegin()
- {
- DeviceIterator tmp;
- tmp.ptr_ = &devices_[0]; // begin (first element)
- return tmp;
- }
-
- HostApi::DeviceIterator HostApi::devicesEnd()
- {
- DeviceIterator tmp;
- tmp.ptr_ = &devices_[deviceCount()]; // end (one past last element)
- return tmp;
- }
-
- // -----------------------------------------------------------------------------------
-
- Device &HostApi::defaultInputDevice() const
- {
- return System::instance().deviceByIndex(info_->defaultInputDevice);
- }
-
- Device &HostApi::defaultOutputDevice() const
- {
- return System::instance().deviceByIndex(info_->defaultOutputDevice);
- }
-
- // -----------------------------------------------------------------------------------
-
- bool HostApi::operator==(const HostApi &rhs) const
- {
- return (typeId() == rhs.typeId());
- }
-
- bool HostApi::operator!=(const HostApi &rhs) const
- {
- return !(*this == rhs);
- }
-
- // -----------------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------------
+
+ HostApi::HostApi(PaHostApiIndex index) : devices_(NULL)
+ {
+ try
+ {
+ info_ = Pa_GetHostApiInfo(index);
+
+ // Create and populate devices array:
+ int numDevices = deviceCount();
+
+ devices_ = new Device*[numDevices];
+
+ for (int i = 0; i < numDevices; ++i)
+ {
+ PaDeviceIndex deviceIndex = Pa_HostApiDeviceIndexToDeviceIndex(index, i);
+
+ if (deviceIndex < 0)
+ {
+ throw PaException(deviceIndex);
+ }
+
+ devices_[i] = &System::instance().deviceByIndex(deviceIndex);
+ }
+ }
+ catch (const std::exception &e)
+ {
+ // Delete any (partially) constructed objects (deconstructor isn't called):
+ delete[] devices_; // devices_ is either NULL or valid
+
+ // Re-throw exception:
+ throw e;
+ }
+ }
+
+ HostApi::~HostApi()
+ {
+ // Destroy devices array:
+ delete[] devices_;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ PaHostApiTypeId HostApi::typeId() const
+ {
+ return info_->type;
+ }
+
+ PaHostApiIndex HostApi::index() const
+ {
+ PaHostApiIndex index = Pa_HostApiTypeIdToHostApiIndex(typeId());
+
+ if (index < 0)
+ throw PaException(index);
+
+ return index;
+ }
+
+ const char *HostApi::name() const
+ {
+ return info_->name;
+ }
+
+ int HostApi::deviceCount() const
+ {
+ return info_->deviceCount;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ HostApi::DeviceIterator HostApi::devicesBegin()
+ {
+ DeviceIterator tmp;
+ tmp.ptr_ = &devices_[0]; // begin (first element)
+ return tmp;
+ }
+
+ HostApi::DeviceIterator HostApi::devicesEnd()
+ {
+ DeviceIterator tmp;
+ tmp.ptr_ = &devices_[deviceCount()]; // end (one past last element)
+ return tmp;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ Device &HostApi::defaultInputDevice() const
+ {
+ return System::instance().deviceByIndex(info_->defaultInputDevice);
+ }
+
+ Device &HostApi::defaultOutputDevice() const
+ {
+ return System::instance().deviceByIndex(info_->defaultOutputDevice);
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ bool HostApi::operator==(const HostApi &rhs) const
+ {
+ return (typeId() == rhs.typeId());
+ }
+
+ bool HostApi::operator!=(const HostApi &rhs) const
+ {
+ return !(*this == rhs);
+ }
+
+ // -----------------------------------------------------------------------------------
} // namespace portaudio
namespace portaudio
{
- // ---------------------------------------------------------------------------------==
-
- InterfaceCallbackStream::InterfaceCallbackStream()
- {
- }
-
- InterfaceCallbackStream::InterfaceCallbackStream(const StreamParameters ¶meters, CallbackInterface &instance)
- {
- open(parameters, instance);
- }
-
- InterfaceCallbackStream::~InterfaceCallbackStream()
- {
- try
- {
- close();
- }
- catch (...)
- {
- // ignore all errors
- }
- }
-
- // ---------------------------------------------------------------------------------==
-
- void InterfaceCallbackStream::open(const StreamParameters ¶meters, CallbackInterface &instance)
- {
- PaError err = Pa_OpenStream(&stream_, parameters.inputParameters().paStreamParameters(), parameters.outputParameters().paStreamParameters(),
- parameters.sampleRate(), parameters.framesPerBuffer(), parameters.flags(), &impl::callbackInterfaceToPaCallbackAdapter, static_cast<void *>(&instance));
-
- if (err != paNoError)
- {
- throw PaException(err);
- }
- }
+ // ---------------------------------------------------------------------------------==
+
+ InterfaceCallbackStream::InterfaceCallbackStream()
+ {
+ }
+
+ InterfaceCallbackStream::InterfaceCallbackStream(const StreamParameters ¶meters, CallbackInterface &instance)
+ {
+ open(parameters, instance);
+ }
+
+ InterfaceCallbackStream::~InterfaceCallbackStream()
+ {
+ try
+ {
+ close();
+ }
+ catch (...)
+ {
+ // ignore all errors
+ }
+ }
+
+ // ---------------------------------------------------------------------------------==
+
+ void InterfaceCallbackStream::open(const StreamParameters ¶meters, CallbackInterface &instance)
+ {
+ PaError err = Pa_OpenStream(&stream_, parameters.inputParameters().paStreamParameters(), parameters.outputParameters().paStreamParameters(),
+ parameters.sampleRate(), parameters.framesPerBuffer(), parameters.flags(), &impl::callbackInterfaceToPaCallbackAdapter, static_cast<void *>(&instance));
+
+ if (err != paNoError)
+ {
+ throw PaException(err);
+ }
+ }
}
#include "portaudiocpp/MemFunCallbackStream.hxx"
// (... template class ...)
-
namespace portaudio
{
- // -----------------------------------------------------------------------------------
-
- Stream::Stream() : stream_(NULL)
- {
- }
-
- Stream::~Stream()
- {
- // (can't call close here,
- // the derived class should atleast call
- // close() in it's deconstructor)
- }
-
- // -----------------------------------------------------------------------------------
-
- //////
- /// Closes the Stream if it's open, else does nothing.
- //////
- void Stream::close()
- {
- if (isOpen() && System::exists())
- {
- PaError err = Pa_CloseStream(stream_);
- stream_ = NULL;
-
- if (err != paNoError)
- throw PaException(err);
- }
- }
-
- //////
- /// Returns true if the Stream is open.
- //////
- bool Stream::isOpen() const
- {
- return (stream_ != NULL);
- }
-
- // -----------------------------------------------------------------------------------
-
- void Stream::setStreamFinishedCallback(PaStreamFinishedCallback *callback)
- {
- PaError err = Pa_SetStreamFinishedCallback(stream_, callback);
-
- if (err != paNoError)
- throw PaException(err);
- }
-
- // -----------------------------------------------------------------------------------
-
- void Stream::start()
- {
- PaError err = Pa_StartStream(stream_);
-
- if (err != paNoError)
- throw PaException(err);
- }
-
- void Stream::stop()
- {
- PaError err = Pa_StopStream(stream_);
-
- if (err != paNoError)
- throw PaException(err);
- }
-
- void Stream::abort()
- {
- PaError err = Pa_AbortStream(stream_);
-
- if (err != paNoError)
- throw PaException(err);
- }
-
- bool Stream::isStopped() const
- {
- PaError ret = Pa_IsStreamStopped(stream_);
-
- if (ret < 0)
- throw PaException(ret);
-
- return (ret == 1);
- }
-
- bool Stream::isActive() const
- {
- PaError ret = Pa_IsStreamActive(stream_);
-
- if (ret < 0)
- throw PaException(ret);
-
- return (ret == 1);
- }
-
- // -----------------------------------------------------------------------------------
-
- //////
- /// Returns the best known input latency for the Stream. This value may differ from the
- /// suggested input latency set in the StreamParameters. Includes all sources of
- /// latency known to PortAudio such as internal buffering, and Host API reported latency.
- /// Doesn't include any estimates of unknown latency.
- //////
- PaTime Stream::inputLatency() const
- {
- const PaStreamInfo *info = Pa_GetStreamInfo(stream_);
- if (info == NULL)
- {
- throw PaException(paInternalError);
- return PaTime(0.0);
- }
-
- return info->inputLatency;
- }
-
- //////
- /// Returns the best known output latency for the Stream. This value may differ from the
- /// suggested output latency set in the StreamParameters. Includes all sources of
- /// latency known to PortAudio such as internal buffering, and Host API reported latency.
- /// Doesn't include any estimates of unknown latency.
- //////
- PaTime Stream::outputLatency() const
- {
- const PaStreamInfo *info = Pa_GetStreamInfo(stream_);
- if (info == NULL)
- {
- throw PaException(paInternalError);
- return PaTime(0.0);
- }
-
- return info->outputLatency;
- }
-
- //////
- /// Returns the sample rate of the Stream. Usually this will be the
- /// best known estimate of the used sample rate. For instance when opening a
- /// Stream setting 44100.0 Hz in the StreamParameters, the actual sample
- /// rate might be something like 44103.2 Hz (due to imperfections in the
- /// sound card hardware).
- //////
- double Stream::sampleRate() const
- {
- const PaStreamInfo *info = Pa_GetStreamInfo(stream_);
- if (info == NULL)
- {
- throw PaException(paInternalError);
- return 0.0;
- }
-
- return info->sampleRate;
- }
-
- // -----------------------------------------------------------------------------------
-
- PaTime Stream::time() const
- {
- return Pa_GetStreamTime(stream_);
- }
-
- // -----------------------------------------------------------------------------------
-
- //////
- /// Accessor (const) for PortAudio PaStream pointer, useful for interfacing with
- /// PortAudio add-ons such as PortMixer for instance. Normally accessing this
- /// pointer should not be needed as PortAudioCpp aims to provide all of PortAudio's
- /// functionality.
- //////
- const PaStream *Stream::paStream() const
- {
- return stream_;
- }
-
- //////
- /// Accessor (non-const) for PortAudio PaStream pointer, useful for interfacing with
- /// PortAudio add-ons such as PortMixer for instance. Normally accessing this
- /// pointer should not be needed as PortAudioCpp aims to provide all of PortAudio's
- /// functionality.
- //////
- PaStream *Stream::paStream()
- {
- return stream_;
- }
-
- // -----------------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------------
+
+ Stream::Stream() : stream_(NULL)
+ {
+ }
+
+ Stream::~Stream()
+ {
+ // (can't call close here,
+ // the derived class should atleast call
+ // close() in it's deconstructor)
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// Closes the Stream if it's open, else does nothing.
+ //////
+ void Stream::close()
+ {
+ if (isOpen() && System::exists())
+ {
+ PaError err = Pa_CloseStream(stream_);
+ stream_ = NULL;
+
+ if (err != paNoError)
+ throw PaException(err);
+ }
+ }
+
+ //////
+ /// Returns true if the Stream is open.
+ //////
+ bool Stream::isOpen() const
+ {
+ return (stream_ != NULL);
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ void Stream::setStreamFinishedCallback(PaStreamFinishedCallback *callback)
+ {
+ PaError err = Pa_SetStreamFinishedCallback(stream_, callback);
+
+ if (err != paNoError)
+ throw PaException(err);
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ void Stream::start()
+ {
+ PaError err = Pa_StartStream(stream_);
+
+ if (err != paNoError)
+ throw PaException(err);
+ }
+
+ void Stream::stop()
+ {
+ PaError err = Pa_StopStream(stream_);
+
+ if (err != paNoError)
+ throw PaException(err);
+ }
+
+ void Stream::abort()
+ {
+ PaError err = Pa_AbortStream(stream_);
+
+ if (err != paNoError)
+ throw PaException(err);
+ }
+
+ bool Stream::isStopped() const
+ {
+ PaError ret = Pa_IsStreamStopped(stream_);
+
+ if (ret < 0)
+ throw PaException(ret);
+
+ return (ret == 1);
+ }
+
+ bool Stream::isActive() const
+ {
+ PaError ret = Pa_IsStreamActive(stream_);
+
+ if (ret < 0)
+ throw PaException(ret);
+
+ return (ret == 1);
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// Returns the best known input latency for the Stream. This value may differ from the
+ /// suggested input latency set in the StreamParameters. Includes all sources of
+ /// latency known to PortAudio such as internal buffering, and Host API reported latency.
+ /// Doesn't include any estimates of unknown latency.
+ //////
+ PaTime Stream::inputLatency() const
+ {
+ const PaStreamInfo *info = Pa_GetStreamInfo(stream_);
+ if (info == NULL)
+ {
+ throw PaException(paInternalError);
+ return PaTime(0.0);
+ }
+
+ return info->inputLatency;
+ }
+
+ //////
+ /// Returns the best known output latency for the Stream. This value may differ from the
+ /// suggested output latency set in the StreamParameters. Includes all sources of
+ /// latency known to PortAudio such as internal buffering, and Host API reported latency.
+ /// Doesn't include any estimates of unknown latency.
+ //////
+ PaTime Stream::outputLatency() const
+ {
+ const PaStreamInfo *info = Pa_GetStreamInfo(stream_);
+ if (info == NULL)
+ {
+ throw PaException(paInternalError);
+ return PaTime(0.0);
+ }
+
+ return info->outputLatency;
+ }
+
+ //////
+ /// Returns the sample rate of the Stream. Usually this will be the
+ /// best known estimate of the used sample rate. For instance when opening a
+ /// Stream setting 44100.0 Hz in the StreamParameters, the actual sample
+ /// rate might be something like 44103.2 Hz (due to imperfections in the
+ /// sound card hardware).
+ //////
+ double Stream::sampleRate() const
+ {
+ const PaStreamInfo *info = Pa_GetStreamInfo(stream_);
+ if (info == NULL)
+ {
+ throw PaException(paInternalError);
+ return 0.0;
+ }
+
+ return info->sampleRate;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ PaTime Stream::time() const
+ {
+ return Pa_GetStreamTime(stream_);
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// Accessor (const) for PortAudio PaStream pointer, useful for interfacing with
+ /// PortAudio add-ons such as PortMixer for instance. Normally accessing this
+ /// pointer should not be needed as PortAudioCpp aims to provide all of PortAudio's
+ /// functionality.
+ //////
+ const PaStream *Stream::paStream() const
+ {
+ return stream_;
+ }
+
+ //////
+ /// Accessor (non-const) for PortAudio PaStream pointer, useful for interfacing with
+ /// PortAudio add-ons such as PortMixer for instance. Normally accessing this
+ /// pointer should not be needed as PortAudioCpp aims to provide all of PortAudio's
+ /// functionality.
+ //////
+ PaStream *Stream::paStream()
+ {
+ return stream_;
+ }
+
+ // -----------------------------------------------------------------------------------
} // namespace portaudio
namespace portaudio
{
- // -----------------------------------------------------------------------------------
-
- //////
- /// Default constructor; does nothing.
- //////
- StreamParameters::StreamParameters()
- {
- }
-
- //////
- /// Sets up the all parameters needed to open either a half-duplex or full-duplex Stream.
- ///
- /// @param inputParameters The parameters for the input direction of the to-be opened
- /// Stream or DirectionSpecificStreamParameters::null() for an output-only Stream.
- /// @param outputParameters The parameters for the output direction of the to-be opened
- /// Stream or DirectionSpecificStreamParameters::null() for an input-only Stream.
- /// @param sampleRate The to-be opened Stream's sample rate in Hz.
- /// @param framesPerBuffer The number of frames per buffer for a CallbackStream, or
- /// the preferred buffer granularity for a BlockingStream.
- /// @param flags The flags for the to-be opened Stream; default paNoFlag.
- //////
- StreamParameters::StreamParameters(const DirectionSpecificStreamParameters &inputParameters,
- const DirectionSpecificStreamParameters &outputParameters, double sampleRate, unsigned long framesPerBuffer,
- PaStreamFlags flags) : inputParameters_(inputParameters), outputParameters_(outputParameters),
- sampleRate_(sampleRate), framesPerBuffer_(framesPerBuffer), flags_(flags)
- {
- }
-
- // -----------------------------------------------------------------------------------
-
- //////
- /// Sets the requested sample rate. If this sample rate isn't supported by the hardware, the
- /// Stream will fail to open. The real-life sample rate used might differ slightly due to
- /// imperfections in the sound card hardware; use Stream::sampleRate() to retrieve the
- /// best known estimate for this value.
- //////
- void StreamParameters::setSampleRate(double sampleRate)
- {
- sampleRate_ = sampleRate;
- }
-
- //////
- /// Either the number of frames per buffer for a CallbackStream, or
- /// the preferred buffer granularity for a BlockingStream. See PortAudio
- /// documentation.
- //////
- void StreamParameters::setFramesPerBuffer(unsigned long framesPerBuffer)
- {
- framesPerBuffer_ = framesPerBuffer;
- }
-
- //////
- /// Sets the specified flag or does nothing when the flag is already set. Doesn't
- /// `unset' any previously existing flags (use clearFlags() for that).
- //////
- void StreamParameters::setFlag(PaStreamFlags flag)
- {
- flags_ |= flag;
- }
-
- //////
- /// Unsets the specified flag or does nothing if the flag isn't set. Doesn't affect
- /// any other flags.
- //////
- void StreamParameters::unsetFlag(PaStreamFlags flag)
- {
- flags_ &= ~flag;
- }
-
- //////
- /// Clears or `unsets' all set flags.
- //////
- void StreamParameters::clearFlags()
- {
- flags_ = paNoFlag;
- }
-
- // -----------------------------------------------------------------------------------
-
- void StreamParameters::setInputParameters(const DirectionSpecificStreamParameters ¶meters)
- {
- inputParameters_ = parameters;
- }
-
- void StreamParameters::setOutputParameters(const DirectionSpecificStreamParameters ¶meters)
- {
- outputParameters_ = parameters;
- }
-
- // -----------------------------------------------------------------------------------
-
- bool StreamParameters::isSupported() const
- {
- return (Pa_IsFormatSupported(inputParameters_.paStreamParameters(),
- outputParameters_.paStreamParameters(), sampleRate_) == paFormatIsSupported);
- }
-
- // -----------------------------------------------------------------------------------
-
- double StreamParameters::sampleRate() const
- {
- return sampleRate_;
- }
-
- unsigned long StreamParameters::framesPerBuffer() const
- {
- return framesPerBuffer_;
- }
-
- //////
- /// Returns all currently set flags as a binary combined
- /// integer value (PaStreamFlags). Use isFlagSet() to
- /// avoid dealing with the bitmasks.
- //////
- PaStreamFlags StreamParameters::flags() const
- {
- return flags_;
- }
-
- //////
- /// Returns true if the specified flag is currently set
- /// or false if it isn't.
- //////
- bool StreamParameters::isFlagSet(PaStreamFlags flag) const
- {
- return ((flags_ & flag) != 0);
- }
-
- // -----------------------------------------------------------------------------------
-
- DirectionSpecificStreamParameters &StreamParameters::inputParameters()
- {
- return inputParameters_;
- }
-
- const DirectionSpecificStreamParameters &StreamParameters::inputParameters() const
- {
- return inputParameters_;
- }
-
- DirectionSpecificStreamParameters &StreamParameters::outputParameters()
- {
- return outputParameters_;
- }
-
- const DirectionSpecificStreamParameters &StreamParameters::outputParameters() const
- {
- return outputParameters_;
- }
-
- // -----------------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// Default constructor; does nothing.
+ //////
+ StreamParameters::StreamParameters()
+ {
+ }
+
+ //////
+ /// Sets up the all parameters needed to open either a half-duplex or full-duplex Stream.
+ ///
+ /// @param inputParameters The parameters for the input direction of the to-be opened
+ /// Stream or DirectionSpecificStreamParameters::null() for an output-only Stream.
+ /// @param outputParameters The parameters for the output direction of the to-be opened
+ /// Stream or DirectionSpecificStreamParameters::null() for an input-only Stream.
+ /// @param sampleRate The to-be opened Stream's sample rate in Hz.
+ /// @param framesPerBuffer The number of frames per buffer for a CallbackStream, or
+ /// the preferred buffer granularity for a BlockingStream.
+ /// @param flags The flags for the to-be opened Stream; default paNoFlag.
+ //////
+ StreamParameters::StreamParameters(const DirectionSpecificStreamParameters &inputParameters,
+ const DirectionSpecificStreamParameters &outputParameters, double sampleRate, unsigned long framesPerBuffer,
+ PaStreamFlags flags) : inputParameters_(inputParameters), outputParameters_(outputParameters),
+ sampleRate_(sampleRate), framesPerBuffer_(framesPerBuffer), flags_(flags)
+ {
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ //////
+ /// Sets the requested sample rate. If this sample rate isn't supported by the hardware, the
+ /// Stream will fail to open. The real-life sample rate used might differ slightly due to
+ /// imperfections in the sound card hardware; use Stream::sampleRate() to retrieve the
+ /// best known estimate for this value.
+ //////
+ void StreamParameters::setSampleRate(double sampleRate)
+ {
+ sampleRate_ = sampleRate;
+ }
+
+ //////
+ /// Either the number of frames per buffer for a CallbackStream, or
+ /// the preferred buffer granularity for a BlockingStream. See PortAudio
+ /// documentation.
+ //////
+ void StreamParameters::setFramesPerBuffer(unsigned long framesPerBuffer)
+ {
+ framesPerBuffer_ = framesPerBuffer;
+ }
+
+ //////
+ /// Sets the specified flag or does nothing when the flag is already set. Doesn't
+ /// `unset' any previously existing flags (use clearFlags() for that).
+ //////
+ void StreamParameters::setFlag(PaStreamFlags flag)
+ {
+ flags_ |= flag;
+ }
+
+ //////
+ /// Unsets the specified flag or does nothing if the flag isn't set. Doesn't affect
+ /// any other flags.
+ //////
+ void StreamParameters::unsetFlag(PaStreamFlags flag)
+ {
+ flags_ &= ~flag;
+ }
+
+ //////
+ /// Clears or `unsets' all set flags.
+ //////
+ void StreamParameters::clearFlags()
+ {
+ flags_ = paNoFlag;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ void StreamParameters::setInputParameters(const DirectionSpecificStreamParameters ¶meters)
+ {
+ inputParameters_ = parameters;
+ }
+
+ void StreamParameters::setOutputParameters(const DirectionSpecificStreamParameters ¶meters)
+ {
+ outputParameters_ = parameters;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ bool StreamParameters::isSupported() const
+ {
+ return (Pa_IsFormatSupported(inputParameters_.paStreamParameters(),
+ outputParameters_.paStreamParameters(), sampleRate_) == paFormatIsSupported);
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ double StreamParameters::sampleRate() const
+ {
+ return sampleRate_;
+ }
+
+ unsigned long StreamParameters::framesPerBuffer() const
+ {
+ return framesPerBuffer_;
+ }
+
+ //////
+ /// Returns all currently set flags as a binary combined
+ /// integer value (PaStreamFlags). Use isFlagSet() to
+ /// avoid dealing with the bitmasks.
+ //////
+ PaStreamFlags StreamParameters::flags() const
+ {
+ return flags_;
+ }
+
+ //////
+ /// Returns true if the specified flag is currently set
+ /// or false if it isn't.
+ //////
+ bool StreamParameters::isFlagSet(PaStreamFlags flag) const
+ {
+ return ((flags_ & flag) != 0);
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ DirectionSpecificStreamParameters &StreamParameters::inputParameters()
+ {
+ return inputParameters_;
+ }
+
+ const DirectionSpecificStreamParameters &StreamParameters::inputParameters() const
+ {
+ return inputParameters_;
+ }
+
+ DirectionSpecificStreamParameters &StreamParameters::outputParameters()
+ {
+ return outputParameters_;
+ }
+
+ const DirectionSpecificStreamParameters &StreamParameters::outputParameters() const
+ {
+ return outputParameters_;
+ }
+
+ // -----------------------------------------------------------------------------------
} // namespace portaudio
-
-
-
-
-
namespace portaudio
{
- // -----------------------------------------------------------------------------------
-
- // Static members:
- System *System::instance_ = NULL;
- int System::initCount_ = 0;
- HostApi **System::hostApis_ = NULL;
- Device **System::devices_ = NULL;
- Device *System::nullDevice_ = NULL;
-
- // -----------------------------------------------------------------------------------
-
- int System::version()
- {
- return Pa_GetVersion();
- }
-
- const char *System::versionText()
- {
- return Pa_GetVersionText();
- }
-
- void System::initialize()
- {
- ++initCount_;
-
- if (initCount_ == 1)
- {
- // Create singleton:
- assert(instance_ == NULL);
- instance_ = new System();
-
- // Initialize the PortAudio system:
- {
- PaError err = Pa_Initialize();
-
- if (err != paNoError)
- throw PaException(err);
- }
-
- // Create and populate device array:
- {
- int numDevices = instance().deviceCount();
-
- devices_ = new Device*[numDevices];
-
- for (int i = 0; i < numDevices; ++i)
- devices_[i] = new Device(i);
- }
-
- // Create and populate host api array:
- {
- int numHostApis = instance().hostApiCount();
-
- hostApis_ = new HostApi*[numHostApis];
-
- for (int i = 0; i < numHostApis; ++i)
- hostApis_[i] = new HostApi(i);
- }
-
- // Create null device:
- nullDevice_ = new Device(paNoDevice);
- }
- }
-
- void System::terminate()
- {
- PaError err = paNoError;
-
- if (initCount_ == 1)
- {
- // Destroy null device:
- delete nullDevice_;
-
- // Destroy host api array:
- {
- if (hostApis_ != NULL)
- {
- int numHostApis = instance().hostApiCount();
-
- for (int i = 0; i < numHostApis; ++i)
- delete hostApis_[i];
-
- delete[] hostApis_;
- hostApis_ = NULL;
- }
- }
+ // -----------------------------------------------------------------------------------
+
+ // Static members:
+ System *System::instance_ = NULL;
+ int System::initCount_ = 0;
+ HostApi **System::hostApis_ = NULL;
+ Device **System::devices_ = NULL;
+ Device *System::nullDevice_ = NULL;
+
+ // -----------------------------------------------------------------------------------
+
+ int System::version()
+ {
+ return Pa_GetVersion();
+ }
+
+ const char *System::versionText()
+ {
+ return Pa_GetVersionText();
+ }
+
+ void System::initialize()
+ {
+ ++initCount_;
- // Destroy device array:
- {
- if (devices_ != NULL)
- {
- int numDevices = instance().deviceCount();
+ if (initCount_ == 1)
+ {
+ // Create singleton:
+ assert(instance_ == NULL);
+ instance_ = new System();
- for (int i = 0; i < numDevices; ++i)
- delete devices_[i];
+ // Initialize the PortAudio system:
+ {
+ PaError err = Pa_Initialize();
- delete[] devices_;
- devices_ = NULL;
- }
- }
+ if (err != paNoError)
+ throw PaException(err);
+ }
- // Terminate the PortAudio system:
- assert(instance_ != NULL);
- err = Pa_Terminate();
+ // Create and populate device array:
+ {
+ int numDevices = instance().deviceCount();
- // Destroy singleton:
- delete instance_;
- instance_ = NULL;
- }
+ devices_ = new Device*[numDevices];
+
+ for (int i = 0; i < numDevices; ++i)
+ devices_[i] = new Device(i);
+ }
+
+ // Create and populate host api array:
+ {
+ int numHostApis = instance().hostApiCount();
+
+ hostApis_ = new HostApi*[numHostApis];
- if (initCount_ > 0)
- --initCount_;
-
- if (err != paNoError)
- throw PaException(err);
- }
-
-
- System &System::instance()
- {
- assert(exists());
-
- return *instance_;
- }
-
- bool System::exists()
- {
- return (instance_ != NULL);
- }
-
- // -----------------------------------------------------------------------------------
-
- System::HostApiIterator System::hostApisBegin()
- {
- System::HostApiIterator tmp;
- tmp.ptr_ = &hostApis_[0]; // begin (first element)
- return tmp;
- }
-
- System::HostApiIterator System::hostApisEnd()
- {
- int count = hostApiCount();
-
- System::HostApiIterator tmp;
- tmp.ptr_ = &hostApis_[count]; // end (one past last element)
- return tmp;
- }
-
- HostApi &System::defaultHostApi()
- {
- PaHostApiIndex defaultHostApi = Pa_GetDefaultHostApi();
-
- if (defaultHostApi < 0)
- throw PaException(defaultHostApi);
-
- return *hostApis_[defaultHostApi];
- }
-
- HostApi &System::hostApiByTypeId(PaHostApiTypeId type)
- {
- PaHostApiIndex index = Pa_HostApiTypeIdToHostApiIndex(type);
-
- if (index < 0)
- throw PaException(index);
-
- return *hostApis_[index];
- }
-
- HostApi &System::hostApiByIndex(PaHostApiIndex index)
- {
- if (index < 0 || index >= hostApiCount())
- throw PaException(paInternalError);
-
- return *hostApis_[index];
- }
-
- int System::hostApiCount()
- {
- PaHostApiIndex count = Pa_GetHostApiCount();
-
- if (count < 0)
- throw PaException(count);
-
- return count;
- }
-
- // -----------------------------------------------------------------------------------
-
- System::DeviceIterator System::devicesBegin()
- {
- DeviceIterator tmp;
- tmp.ptr_ = &devices_[0];
-
- return tmp;
- }
-
- System::DeviceIterator System::devicesEnd()
- {
- int count = deviceCount();
-
- DeviceIterator tmp;
- tmp.ptr_ = &devices_[count];
-
- return tmp;
- }
-
- //////
- /// Returns the System's default input Device, or the null Device if none
- /// was available.
- //////
- Device &System::defaultInputDevice()
- {
- PaDeviceIndex index = Pa_GetDefaultInputDevice();
- return deviceByIndex(index);
- }
-
- //////
- /// Returns the System's default output Device, or the null Device if none
- /// was available.
- //////
- Device &System::defaultOutputDevice()
- {
- PaDeviceIndex index = Pa_GetDefaultOutputDevice();
- return deviceByIndex(index);
- }
-
- //////
- /// Returns the Device for the given index.
- /// Will throw a paInternalError equivalent PaException if the given index
- /// is out of range.
- //////
- Device &System::deviceByIndex(PaDeviceIndex index)
- {
- if (index < -1 || index >= deviceCount())
- {
- throw PaException(paInternalError);
- }
-
- if (index == -1)
- return System::instance().nullDevice();
-
- return *devices_[index];
- }
-
- int System::deviceCount()
- {
- PaDeviceIndex count = Pa_GetDeviceCount();
-
- if (count < 0)
- throw PaException(count);
-
- return count;
- }
-
- Device &System::nullDevice()
- {
- return *nullDevice_;
- }
-
- // -----------------------------------------------------------------------------------
-
- void System::sleep(long msec)
- {
- Pa_Sleep(msec);
- }
-
- int System::sizeOfSample(PaSampleFormat format)
- {
- PaError err = Pa_GetSampleSize(format);
- if (err < 0)
- {
- throw PaException(err);
- return 0;
- }
-
- return err;
- }
-
- // -----------------------------------------------------------------------------------
-
- System::System()
- {
- // (left blank intentionally)
- }
-
- System::~System()
- {
- // (left blank intentionally)
- }
-
- // -----------------------------------------------------------------------------------
+ for (int i = 0; i < numHostApis; ++i)
+ hostApis_[i] = new HostApi(i);
+ }
-} // namespace portaudio
+ // Create null device:
+ nullDevice_ = new Device(paNoDevice);
+ }
+ }
+
+ void System::terminate()
+ {
+ PaError err = paNoError;
+
+ if (initCount_ == 1)
+ {
+ // Destroy null device:
+ delete nullDevice_;
+
+ // Destroy host api array:
+ {
+ if (hostApis_ != NULL)
+ {
+ int numHostApis = instance().hostApiCount();
+
+ for (int i = 0; i < numHostApis; ++i)
+ delete hostApis_[i];
+
+ delete[] hostApis_;
+ hostApis_ = NULL;
+ }
+ }
+
+ // Destroy device array:
+ {
+ if (devices_ != NULL)
+ {
+ int numDevices = instance().deviceCount();
+
+ for (int i = 0; i < numDevices; ++i)
+ delete devices_[i];
+
+ delete[] devices_;
+ devices_ = NULL;
+ }
+ }
+ // Terminate the PortAudio system:
+ assert(instance_ != NULL);
+ err = Pa_Terminate();
+
+ // Destroy singleton:
+ delete instance_;
+ instance_ = NULL;
+ }
+
+ if (initCount_ > 0)
+ --initCount_;
+
+ if (err != paNoError)
+ throw PaException(err);
+ }
+
+
+ System &System::instance()
+ {
+ assert(exists());
+
+ return *instance_;
+ }
+
+ bool System::exists()
+ {
+ return (instance_ != NULL);
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ System::HostApiIterator System::hostApisBegin()
+ {
+ System::HostApiIterator tmp;
+ tmp.ptr_ = &hostApis_[0]; // begin (first element)
+ return tmp;
+ }
+
+ System::HostApiIterator System::hostApisEnd()
+ {
+ int count = hostApiCount();
+
+ System::HostApiIterator tmp;
+ tmp.ptr_ = &hostApis_[count]; // end (one past last element)
+ return tmp;
+ }
+
+ HostApi &System::defaultHostApi()
+ {
+ PaHostApiIndex defaultHostApi = Pa_GetDefaultHostApi();
+
+ if (defaultHostApi < 0)
+ throw PaException(defaultHostApi);
+
+ return *hostApis_[defaultHostApi];
+ }
+
+ HostApi &System::hostApiByTypeId(PaHostApiTypeId type)
+ {
+ PaHostApiIndex index = Pa_HostApiTypeIdToHostApiIndex(type);
+
+ if (index < 0)
+ throw PaException(index);
+
+ return *hostApis_[index];
+ }
+
+ HostApi &System::hostApiByIndex(PaHostApiIndex index)
+ {
+ if (index < 0 || index >= hostApiCount())
+ throw PaException(paInternalError);
+
+ return *hostApis_[index];
+ }
+
+ int System::hostApiCount()
+ {
+ PaHostApiIndex count = Pa_GetHostApiCount();
+
+ if (count < 0)
+ throw PaException(count);
+
+ return count;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ System::DeviceIterator System::devicesBegin()
+ {
+ DeviceIterator tmp;
+ tmp.ptr_ = &devices_[0];
+
+ return tmp;
+ }
+
+ System::DeviceIterator System::devicesEnd()
+ {
+ int count = deviceCount();
+
+ DeviceIterator tmp;
+ tmp.ptr_ = &devices_[count];
+
+ return tmp;
+ }
+
+ //////
+ /// Returns the System's default input Device, or the null Device if none
+ /// was available.
+ //////
+ Device &System::defaultInputDevice()
+ {
+ PaDeviceIndex index = Pa_GetDefaultInputDevice();
+ return deviceByIndex(index);
+ }
+
+ //////
+ /// Returns the System's default output Device, or the null Device if none
+ /// was available.
+ //////
+ Device &System::defaultOutputDevice()
+ {
+ PaDeviceIndex index = Pa_GetDefaultOutputDevice();
+ return deviceByIndex(index);
+ }
+
+ //////
+ /// Returns the Device for the given index.
+ /// Will throw a paInternalError equivalent PaException if the given index
+ /// is out of range.
+ //////
+ Device &System::deviceByIndex(PaDeviceIndex index)
+ {
+ if (index < -1 || index >= deviceCount())
+ {
+ throw PaException(paInternalError);
+ }
+
+ if (index == -1)
+ return System::instance().nullDevice();
+
+ return *devices_[index];
+ }
+
+ int System::deviceCount()
+ {
+ PaDeviceIndex count = Pa_GetDeviceCount();
+
+ if (count < 0)
+ throw PaException(count);
+
+ return count;
+ }
+
+ Device &System::nullDevice()
+ {
+ return *nullDevice_;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ void System::sleep(long msec)
+ {
+ Pa_Sleep(msec);
+ }
+
+ int System::sizeOfSample(PaSampleFormat format)
+ {
+ PaError err = Pa_GetSampleSize(format);
+ if (err < 0)
+ {
+ throw PaException(err);
+ return 0;
+ }
+
+ return err;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ System::System()
+ {
+ // (left blank intentionally)
+ }
+
+ System::~System()
+ {
+ // (left blank intentionally)
+ }
+
+ // -----------------------------------------------------------------------------------
+
+} // namespace portaudio
namespace portaudio
{
- // -----------------------------------------------------------------------------------
-
- Device &System::DeviceIterator::operator*() const
- {
- return **ptr_;
- }
-
- Device *System::DeviceIterator::operator->() const
- {
- return &**this;
- }
-
- // -----------------------------------------------------------------------------------
-
- System::DeviceIterator &System::DeviceIterator::operator++()
- {
- ++ptr_;
- return *this;
- }
-
- System::DeviceIterator System::DeviceIterator::operator++(int)
- {
- System::DeviceIterator prev = *this;
- ++*this;
- return prev;
- }
-
- System::DeviceIterator &System::DeviceIterator::operator--()
- {
- --ptr_;
- return *this;
- }
-
- System::DeviceIterator System::DeviceIterator::operator--(int)
- {
- System::DeviceIterator prev = *this;
- --*this;
- return prev;
- }
-
- // -----------------------------------------------------------------------------------
-
- bool System::DeviceIterator::operator==(const System::DeviceIterator &rhs) const
- {
- return (ptr_ == rhs.ptr_);
- }
-
- bool System::DeviceIterator::operator!=(const System::DeviceIterator &rhs) const
- {
- return !(*this == rhs);
- }
-
- // -----------------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------------
+
+ Device &System::DeviceIterator::operator*() const
+ {
+ return **ptr_;
+ }
+
+ Device *System::DeviceIterator::operator->() const
+ {
+ return &**this;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ System::DeviceIterator &System::DeviceIterator::operator++()
+ {
+ ++ptr_;
+ return *this;
+ }
+
+ System::DeviceIterator System::DeviceIterator::operator++(int)
+ {
+ System::DeviceIterator prev = *this;
+ ++*this;
+ return prev;
+ }
+
+ System::DeviceIterator &System::DeviceIterator::operator--()
+ {
+ --ptr_;
+ return *this;
+ }
+
+ System::DeviceIterator System::DeviceIterator::operator--(int)
+ {
+ System::DeviceIterator prev = *this;
+ --*this;
+ return prev;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ bool System::DeviceIterator::operator==(const System::DeviceIterator &rhs) const
+ {
+ return (ptr_ == rhs.ptr_);
+ }
+
+ bool System::DeviceIterator::operator!=(const System::DeviceIterator &rhs) const
+ {
+ return !(*this == rhs);
+ }
+
+ // -----------------------------------------------------------------------------------
} // namespace portaudio
-
-
namespace portaudio
{
- // -----------------------------------------------------------------------------------
-
- HostApi &System::HostApiIterator::operator*() const
- {
- return **ptr_;
- }
-
- HostApi *System::HostApiIterator::operator->() const
- {
- return &**this;
- }
-
- // -----------------------------------------------------------------------------------
-
- System::HostApiIterator &System::HostApiIterator::operator++()
- {
- ++ptr_;
- return *this;
- }
-
- System::HostApiIterator System::HostApiIterator::operator++(int)
- {
- System::HostApiIterator prev = *this;
- ++*this;
- return prev;
- }
-
- System::HostApiIterator &System::HostApiIterator::operator--()
- {
- --ptr_;
- return *this;
- }
-
- System::HostApiIterator System::HostApiIterator::operator--(int)
- {
- System::HostApiIterator prev = *this;
- --*this;
- return prev;
- }
-
- // -----------------------------------------------------------------------------------
-
- bool System::HostApiIterator::operator==(const System::HostApiIterator &rhs) const
- {
- return (ptr_ == rhs.ptr_);
- }
-
- bool System::HostApiIterator::operator!=(const System::HostApiIterator &rhs) const
- {
- return !(*this == rhs);
- }
-
- // -----------------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------------
+
+ HostApi &System::HostApiIterator::operator*() const
+ {
+ return **ptr_;
+ }
+
+ HostApi *System::HostApiIterator::operator->() const
+ {
+ return &**this;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ System::HostApiIterator &System::HostApiIterator::operator++()
+ {
+ ++ptr_;
+ return *this;
+ }
+
+ System::HostApiIterator System::HostApiIterator::operator++(int)
+ {
+ System::HostApiIterator prev = *this;
+ ++*this;
+ return prev;
+ }
+
+ System::HostApiIterator &System::HostApiIterator::operator--()
+ {
+ --ptr_;
+ return *this;
+ }
+
+ System::HostApiIterator System::HostApiIterator::operator--(int)
+ {
+ System::HostApiIterator prev = *this;
+ --*this;
+ return prev;
+ }
+
+ // -----------------------------------------------------------------------------------
+
+ bool System::HostApiIterator::operator==(const System::HostApiIterator &rhs) const
+ {
+ return (ptr_ == rhs.ptr_);
+ }
+
+ bool System::HostApiIterator::operator!=(const System::HostApiIterator &rhs) const
+ {
+ return !(*this == rhs);
+ }
+
+ // -----------------------------------------------------------------------------------
} // namespace portaudio
-
*/
/*
- * The text above constitutes the entire PortAudio license; however,
+ * The text above constitutes the entire PortAudio license; however,
* the PortAudio community also makes the following non-binding requests:
*
* Any person wishing to distribute modifications to the Software is
* requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version. It is also
- * requested that these non-binding requests be included along with the
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
* license above.
*/
JNIEXPORT jint JNICALL Java_com_portaudio_BlockingStream_getReadAvailable
(JNIEnv *env, jobject blockingStream)
{
- PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
- if( stream == NULL ) return 0;
- return Pa_GetStreamReadAvailable( stream );
+ PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
+ if( stream == NULL ) return 0;
+ return Pa_GetStreamReadAvailable( stream );
}
/*
JNIEXPORT jint JNICALL Java_com_portaudio_BlockingStream_getWriteAvailable
(JNIEnv *env, jobject blockingStream)
{
- PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
- if( stream == NULL ) return 0;
- return Pa_GetStreamWriteAvailable( stream );
+ PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
+ if( stream == NULL ) return 0;
+ return Pa_GetStreamWriteAvailable( stream );
}
JNIEXPORT jboolean JNICALL Java_com_portaudio_BlockingStream_writeFloats
(JNIEnv *env, jobject blockingStream, jfloatArray buffer, jint numFrames)
{
- jfloat *carr;
- jint err;
- PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
- if( buffer == NULL )
- {
- (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
+ jfloat *carr;
+ jint err;
+ PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
+ if( buffer == NULL )
+ {
+ (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
"null stream buffer");
- return FALSE;
- }
- carr = (*env)->GetFloatArrayElements(env, buffer, NULL);
- if (carr == NULL)
- {
- (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
+ return FALSE;
+ }
+ carr = (*env)->GetFloatArrayElements(env, buffer, NULL);
+ if (carr == NULL)
+ {
+ (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
"invalid stream buffer");
- return FALSE;
- }
- err = Pa_WriteStream( stream, carr, numFrames );
- (*env)->ReleaseFloatArrayElements(env, buffer, carr, 0);
- if( err == paOutputUnderflowed )
- {
- return TRUE;
- }
- else
- {
- jpa_CheckError( env, err );
- return FALSE;
- }
+ return FALSE;
+ }
+ err = Pa_WriteStream( stream, carr, numFrames );
+ (*env)->ReleaseFloatArrayElements(env, buffer, carr, 0);
+ if( err == paOutputUnderflowed )
+ {
+ return TRUE;
+ }
+ else
+ {
+ jpa_CheckError( env, err );
+ return FALSE;
+ }
}
/*
JNIEXPORT jboolean JNICALL Java_com_portaudio_BlockingStream_readFloats
(JNIEnv *env, jobject blockingStream, jfloatArray buffer, jint numFrames)
{
- jfloat *carr;
- jint err;
- PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
- if( buffer == NULL )
- {
- (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
+ jfloat *carr;
+ jint err;
+ PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
+ if( buffer == NULL )
+ {
+ (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
"null stream buffer");
- return FALSE;
- }
- carr = (*env)->GetFloatArrayElements(env, buffer, NULL);
- if (carr == NULL)
- {
- (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
+ return FALSE;
+ }
+ carr = (*env)->GetFloatArrayElements(env, buffer, NULL);
+ if (carr == NULL)
+ {
+ (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
"invalid stream buffer");
- return FALSE;
- }
- err = Pa_ReadStream( stream, carr, numFrames );
- (*env)->ReleaseFloatArrayElements(env, buffer, carr, 0);
- if( err == paInputOverflowed )
- {
- return TRUE;
- }
- else
- {
- jpa_CheckError( env, err );
- return FALSE;
- }
+ return FALSE;
+ }
+ err = Pa_ReadStream( stream, carr, numFrames );
+ (*env)->ReleaseFloatArrayElements(env, buffer, carr, 0);
+ if( err == paInputOverflowed )
+ {
+ return TRUE;
+ }
+ else
+ {
+ jpa_CheckError( env, err );
+ return FALSE;
+ }
}
/*
JNIEXPORT jboolean JNICALL Java_com_portaudio_BlockingStream_writeShorts
(JNIEnv *env, jobject blockingStream, jfloatArray buffer, jint numFrames)
{
- jshort *carr;
- jint err;
- PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
- if( buffer == NULL )
- {
- (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
+ jshort *carr;
+ jint err;
+ PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
+ if( buffer == NULL )
+ {
+ (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
"null stream buffer");
- return FALSE;
- }
- carr = (*env)->GetShortArrayElements(env, buffer, NULL);
- if (carr == NULL)
- {
- (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
+ return FALSE;
+ }
+ carr = (*env)->GetShortArrayElements(env, buffer, NULL);
+ if (carr == NULL)
+ {
+ (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
"invalid stream buffer");
- return FALSE;
- }
- err = Pa_WriteStream( stream, carr, numFrames );
- (*env)->ReleaseShortArrayElements(env, buffer, carr, 0);
- if( err == paOutputUnderflowed )
- {
- return TRUE;
- }
- else
- {
- jpa_CheckError( env, err );
- return FALSE;
- }
+ return FALSE;
+ }
+ err = Pa_WriteStream( stream, carr, numFrames );
+ (*env)->ReleaseShortArrayElements(env, buffer, carr, 0);
+ if( err == paOutputUnderflowed )
+ {
+ return TRUE;
+ }
+ else
+ {
+ jpa_CheckError( env, err );
+ return FALSE;
+ }
}
/*
JNIEXPORT jboolean JNICALL Java_com_portaudio_BlockingStream_readShorts
(JNIEnv *env, jobject blockingStream, jfloatArray buffer, jint numFrames)
{
- jshort *carr;
- jint err;
- PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
- if( buffer == NULL )
- {
- (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
+ jshort *carr;
+ jint err;
+ PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
+ if( buffer == NULL )
+ {
+ (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
"null stream buffer");
- return FALSE;
- }
- carr = (*env)->GetShortArrayElements(env, buffer, NULL);
- if (carr == NULL)
- {
- (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
+ return FALSE;
+ }
+ carr = (*env)->GetShortArrayElements(env, buffer, NULL);
+ if (carr == NULL)
+ {
+ (*env)->ThrowNew( env, (*env)->FindClass(env,"java/lang/RuntimeException"),
"invalid stream buffer");
- return FALSE;
- }
- err = Pa_ReadStream( stream, carr, numFrames );
- (*env)->ReleaseShortArrayElements(env, buffer, carr, 0);
- if( err == paInputOverflowed )
- {
- return TRUE;
- }
- else
- {
- jpa_CheckError( env, err );
- return FALSE;
- }
+ return FALSE;
+ }
+ err = Pa_ReadStream( stream, carr, numFrames );
+ (*env)->ReleaseShortArrayElements(env, buffer, carr, 0);
+ if( err == paInputOverflowed )
+ {
+ return TRUE;
+ }
+ else
+ {
+ jpa_CheckError( env, err );
+ return FALSE;
+ }
}
/*
JNIEXPORT void JNICALL Java_com_portaudio_BlockingStream_start
(JNIEnv *env, jobject blockingStream )
{
- PaStream *stream = jpa_GetStreamPointer( env, blockingStream );
- int err = Pa_StartStream( stream );
- jpa_CheckError( env, err );
+ PaStream *stream = jpa_GetStreamPointer( env, blockingStream );
+ int err = Pa_StartStream( stream );
+ jpa_CheckError( env, err );
}
/*
JNIEXPORT void JNICALL Java_com_portaudio_BlockingStream_stop
(JNIEnv *env, jobject blockingStream )
{
- PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
- int err = Pa_StopStream( stream );
- jpa_CheckError( env, err );
+ PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
+ int err = Pa_StopStream( stream );
+ jpa_CheckError( env, err );
}
/*
* Class: com_portaudio_BlockingStream
JNIEXPORT void JNICALL Java_com_portaudio_BlockingStream_abort
(JNIEnv *env, jobject blockingStream )
{
- PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
- int err = Pa_AbortStream( stream );
- jpa_CheckError( env, err );
+ PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
+ int err = Pa_AbortStream( stream );
+ jpa_CheckError( env, err );
}
/*
JNIEXPORT void JNICALL Java_com_portaudio_BlockingStream_close
(JNIEnv *env, jobject blockingStream )
{
- jclass cls;
- PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
- if( stream != NULL )
- {
- int err = Pa_CloseStream( stream );
- jpa_CheckError( env, err );
- cls = (*env)->GetObjectClass(env, blockingStream);
- jpa_SetLongField( env, cls, blockingStream, "nativeStream", (jlong) 0 );
- }
+ jclass cls;
+ PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
+ if( stream != NULL )
+ {
+ int err = Pa_CloseStream( stream );
+ jpa_CheckError( env, err );
+ cls = (*env)->GetObjectClass(env, blockingStream);
+ jpa_SetLongField( env, cls, blockingStream, "nativeStream", (jlong) 0 );
+ }
}
/*
JNIEXPORT jboolean JNICALL Java_com_portaudio_BlockingStream_isStopped
(JNIEnv *env, jobject blockingStream )
{
- int err;
- PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
- if( stream == NULL ) return 1;
- err = Pa_IsStreamStopped( stream );
- return (jpa_CheckError( env, err ) > 0);
+ int err;
+ PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
+ if( stream == NULL ) return 1;
+ err = Pa_IsStreamStopped( stream );
+ return (jpa_CheckError( env, err ) > 0);
}
/*
* Class: com_portaudio_BlockingStream
JNIEXPORT jboolean JNICALL Java_com_portaudio_BlockingStream_isActive
(JNIEnv *env, jobject blockingStream )
{
- int err;
- PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
- if( stream == NULL ) return 0;
- err = Pa_IsStreamActive( stream );
- return (jpa_CheckError( env, err ) > 0);
+ int err;
+ PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
+ if( stream == NULL ) return 0;
+ err = Pa_IsStreamActive( stream );
+ return (jpa_CheckError( env, err ) > 0);
}
JNIEXPORT jdouble JNICALL Java_com_portaudio_BlockingStream_getTime
(JNIEnv *env, jobject blockingStream )
{
- PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
- if( stream == NULL ) return 0.0;
- return Pa_GetStreamTime( stream );
+ PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
+ if( stream == NULL ) return 0.0;
+ return Pa_GetStreamTime( stream );
}
JNIEXPORT void JNICALL Java_com_portaudio_BlockingStream_getInfo
(JNIEnv *env, jobject blockingStream, jobject streamInfo)
{
-
- PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
- const PaStreamInfo *info = Pa_GetStreamInfo( stream );
- if( streamInfo == NULL )
- {
- jpa_ThrowError( env, "Invalid stream." );
- }
- else
- {
- /* Get a reference to obj's class */
- jclass cls = (*env)->GetObjectClass(env, streamInfo);
-
- jpa_SetIntField( env, cls, streamInfo, "structVersion", info->structVersion );
- jpa_SetDoubleField( env, cls, streamInfo, "inputLatency", info->inputLatency );
- jpa_SetDoubleField( env, cls, streamInfo, "outputLatency", info->outputLatency );
- jpa_SetDoubleField( env, cls, streamInfo, "sampleRate", info->sampleRate );
- }
-}
+ PaStream *stream =jpa_GetStreamPointer( env, blockingStream );
+ const PaStreamInfo *info = Pa_GetStreamInfo( stream );
+ if( streamInfo == NULL )
+ {
+ jpa_ThrowError( env, "Invalid stream." );
+ }
+ else
+ {
+ /* Get a reference to obj's class */
+ jclass cls = (*env)->GetObjectClass(env, streamInfo);
+
+ jpa_SetIntField( env, cls, streamInfo, "structVersion", info->structVersion );
+ jpa_SetDoubleField( env, cls, streamInfo, "inputLatency", info->inputLatency );
+ jpa_SetDoubleField( env, cls, streamInfo, "outputLatency", info->outputLatency );
+ jpa_SetDoubleField( env, cls, streamInfo, "sampleRate", info->sampleRate );
+ }
+}
*/
/*
- * The text above constitutes the entire PortAudio license; however,
+ * The text above constitutes the entire PortAudio license; however,
* the PortAudio community also makes the following non-binding requests:
*
* Any person wishing to distribute modifications to the Software is
* requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version. It is also
- * requested that these non-binding requests be included along with the
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
* license above.
*/
JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_getVersion
(JNIEnv *env, jclass clazz)
{
- return Pa_GetVersion();
+ return Pa_GetVersion();
}
/*
JNIEXPORT jstring JNICALL Java_com_portaudio_PortAudio_getVersionText
(JNIEnv *env, jclass clazz)
{
- return (*env)->NewStringUTF(env, Pa_GetVersionText() );
+ return (*env)->NewStringUTF(env, Pa_GetVersionText() );
}
/*
JNIEXPORT void JNICALL Java_com_portaudio_PortAudio_initialize
(JNIEnv *env, jclass clazz)
{
- PaError err = Pa_Initialize();
- jpa_CheckError( env, err );
+ PaError err = Pa_Initialize();
+ jpa_CheckError( env, err );
}
/*
JNIEXPORT void JNICALL Java_com_portaudio_PortAudio_terminate
(JNIEnv *env, jclass clazz)
{
- PaError err = Pa_Terminate();
- jpa_CheckError( env, err );
+ PaError err = Pa_Terminate();
+ jpa_CheckError( env, err );
}
/*
JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_getDeviceCount
(JNIEnv *env, jclass clazz)
{
- jint count = Pa_GetDeviceCount();
- return jpa_CheckError( env, count );
+ jint count = Pa_GetDeviceCount();
+ return jpa_CheckError( env, count );
}
/*
JNIEXPORT void JNICALL Java_com_portaudio_PortAudio_getDeviceInfo
(JNIEnv *env, jclass clazz, jint index, jobject deviceInfo)
{
- const PaDeviceInfo *info;
- /* Get a reference to obj's class */
- jclass cls = (*env)->GetObjectClass(env, deviceInfo);
-
- info = Pa_GetDeviceInfo( index );
- if( info == NULL )
- {
- jpa_ThrowError( env, "Pa_GetDeviceInfo returned NULL." );
- }
- else
- {
- jpa_SetStringField( env, cls, deviceInfo, "name", info->name );
- jpa_SetIntField( env, cls, deviceInfo, "maxInputChannels", info->maxInputChannels );
- jpa_SetIntField( env, cls, deviceInfo, "maxOutputChannels", info->maxOutputChannels );
- jpa_SetIntField( env, cls, deviceInfo, "hostApi", info->hostApi );
- jpa_SetDoubleField( env, cls, deviceInfo, "defaultSampleRate", info->defaultSampleRate );
- jpa_SetDoubleField( env, cls, deviceInfo, "defaultLowInputLatency", info->defaultLowInputLatency );
- jpa_SetDoubleField( env, cls, deviceInfo, "defaultLowInputLatency", info->defaultHighInputLatency );
- jpa_SetDoubleField( env, cls, deviceInfo, "defaultLowOutputLatency", info->defaultLowOutputLatency );
- jpa_SetDoubleField( env, cls, deviceInfo, "defaultHighOutputLatency", info->defaultHighOutputLatency );
- }
+ const PaDeviceInfo *info;
+ /* Get a reference to obj's class */
+ jclass cls = (*env)->GetObjectClass(env, deviceInfo);
+
+ info = Pa_GetDeviceInfo( index );
+ if( info == NULL )
+ {
+ jpa_ThrowError( env, "Pa_GetDeviceInfo returned NULL." );
+ }
+ else
+ {
+ jpa_SetStringField( env, cls, deviceInfo, "name", info->name );
+ jpa_SetIntField( env, cls, deviceInfo, "maxInputChannels", info->maxInputChannels );
+ jpa_SetIntField( env, cls, deviceInfo, "maxOutputChannels", info->maxOutputChannels );
+ jpa_SetIntField( env, cls, deviceInfo, "hostApi", info->hostApi );
+ jpa_SetDoubleField( env, cls, deviceInfo, "defaultSampleRate", info->defaultSampleRate );
+ jpa_SetDoubleField( env, cls, deviceInfo, "defaultLowInputLatency", info->defaultLowInputLatency );
+ jpa_SetDoubleField( env, cls, deviceInfo, "defaultLowInputLatency", info->defaultHighInputLatency );
+ jpa_SetDoubleField( env, cls, deviceInfo, "defaultLowOutputLatency", info->defaultLowOutputLatency );
+ jpa_SetDoubleField( env, cls, deviceInfo, "defaultHighOutputLatency", info->defaultHighOutputLatency );
+ }
}
/*
JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_getHostApiCount
(JNIEnv *env, jclass clazz)
{
- jint count = Pa_GetHostApiCount();
- return jpa_CheckError( env, count );
+ jint count = Pa_GetHostApiCount();
+ return jpa_CheckError( env, count );
}
JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_hostApiTypeIdToHostApiIndex
(JNIEnv *env, jclass clazz, jint hostApiType)
{
- return Pa_HostApiTypeIdToHostApiIndex( (PaHostApiTypeId) hostApiType );
+ return Pa_HostApiTypeIdToHostApiIndex( (PaHostApiTypeId) hostApiType );
}
/*
JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_hostApiDeviceIndexToDeviceIndex
(JNIEnv *env, jclass clazz, jint hostApiIndex, jint apiDeviceIndex)
{
- return Pa_HostApiDeviceIndexToDeviceIndex( hostApiIndex, apiDeviceIndex );
+ return Pa_HostApiDeviceIndexToDeviceIndex( hostApiIndex, apiDeviceIndex );
}
JNIEXPORT void JNICALL Java_com_portaudio_PortAudio_getHostApiInfo
(JNIEnv *env, jclass clazz, jint index, jobject hostApiInfo)
{
- const PaHostApiInfo *info;
- /* Get a reference to obj's class */
- jclass cls = (*env)->GetObjectClass(env, hostApiInfo);
-
- info = Pa_GetHostApiInfo( index );
- if( info == NULL )
- {
- jpa_ThrowError( env, "Pa_GetHostApiInfo returned NULL." );
- }
- else
- {
- jpa_SetIntField( env, cls, hostApiInfo, "version", info->structVersion );
- jpa_SetIntField( env, cls, hostApiInfo, "type", info->type );
- jpa_SetStringField( env, cls, hostApiInfo, "name", info->name );
- jpa_SetIntField( env, cls, hostApiInfo, "deviceCount", info->deviceCount );
- jpa_SetIntField( env, cls, hostApiInfo, "defaultInputDevice", info->defaultInputDevice );
- jpa_SetIntField( env, cls, hostApiInfo, "defaultOutputDevice", info->defaultOutputDevice );
- }
+ const PaHostApiInfo *info;
+ /* Get a reference to obj's class */
+ jclass cls = (*env)->GetObjectClass(env, hostApiInfo);
+
+ info = Pa_GetHostApiInfo( index );
+ if( info == NULL )
+ {
+ jpa_ThrowError( env, "Pa_GetHostApiInfo returned NULL." );
+ }
+ else
+ {
+ jpa_SetIntField( env, cls, hostApiInfo, "version", info->structVersion );
+ jpa_SetIntField( env, cls, hostApiInfo, "type", info->type );
+ jpa_SetStringField( env, cls, hostApiInfo, "name", info->name );
+ jpa_SetIntField( env, cls, hostApiInfo, "deviceCount", info->deviceCount );
+ jpa_SetIntField( env, cls, hostApiInfo, "defaultInputDevice", info->defaultInputDevice );
+ jpa_SetIntField( env, cls, hostApiInfo, "defaultOutputDevice", info->defaultOutputDevice );
+ }
}
/*
JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_getDefaultInputDevice
(JNIEnv *env, jclass clazz)
{
- jint deviceId = Pa_GetDefaultInputDevice();
- return jpa_CheckError( env, deviceId );
+ jint deviceId = Pa_GetDefaultInputDevice();
+ return jpa_CheckError( env, deviceId );
}
/*
JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_getDefaultOutputDevice
(JNIEnv *env, jclass clazz)
{
- jint deviceId = Pa_GetDefaultOutputDevice();
- return jpa_CheckError( env, deviceId );
+ jint deviceId = Pa_GetDefaultOutputDevice();
+ return jpa_CheckError( env, deviceId );
}
/*
JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_getDefaultHostApi
(JNIEnv *env, jclass clazz)
{
- jint deviceId = Pa_GetDefaultHostApi();
- return jpa_CheckError( env, deviceId );
+ jint deviceId = Pa_GetDefaultHostApi();
+ return jpa_CheckError( env, deviceId );
}
/*
JNIEXPORT jint JNICALL Java_com_portaudio_PortAudio_isFormatSupported
(JNIEnv *env, jclass clazz, jobject inParams, jobject outParams, jint sampleRate )
{
- PaStreamParameters myInParams, *paInParams;
- PaStreamParameters myOutParams, *paOutParams;
-
- paInParams = jpa_FillStreamParameters( env, inParams, &myInParams );
- paOutParams = jpa_FillStreamParameters( env, outParams, &myOutParams );
-
- return Pa_IsFormatSupported( paInParams, paOutParams, sampleRate );
+ PaStreamParameters myInParams, *paInParams;
+ PaStreamParameters myOutParams, *paOutParams;
+
+ paInParams = jpa_FillStreamParameters( env, inParams, &myInParams );
+ paOutParams = jpa_FillStreamParameters( env, outParams, &myOutParams );
+
+ return Pa_IsFormatSupported( paInParams, paOutParams, sampleRate );
}
JNIEXPORT void JNICALL Java_com_portaudio_PortAudio_openStream
(JNIEnv *env, jclass clazz, jobject blockingStream, jobject inParams, jobject outParams, jint sampleRate, jint framesPerBuffer, jint flags )
{
- int err;
- PaStreamParameters myInParams, *paInParams;
- PaStreamParameters myOutParams, *paOutParams;
- PaStream *stream;
-
- paInParams = jpa_FillStreamParameters( env, inParams, &myInParams );
- paOutParams = jpa_FillStreamParameters( env, outParams, &myOutParams );
- err = Pa_OpenStream( &stream, paInParams, paOutParams, sampleRate, framesPerBuffer, flags, NULL, NULL );
- if( jpa_CheckError( env, err ) == 0 )
- {
- jclass cls = (*env)->GetObjectClass(env, blockingStream);
- jpa_SetLongField( env, cls, blockingStream, "nativeStream", (jlong) stream );
- if( paInParams != NULL )
- {
- jpa_SetIntField( env, cls, blockingStream, "inputFormat", paInParams->sampleFormat );
- }
- if( paOutParams != NULL )
- {
- jpa_SetIntField( env, cls, blockingStream, "outputFormat", paOutParams->sampleFormat );
- }
- }
+ int err;
+ PaStreamParameters myInParams, *paInParams;
+ PaStreamParameters myOutParams, *paOutParams;
+ PaStream *stream;
+
+ paInParams = jpa_FillStreamParameters( env, inParams, &myInParams );
+ paOutParams = jpa_FillStreamParameters( env, outParams, &myOutParams );
+ err = Pa_OpenStream( &stream, paInParams, paOutParams, sampleRate, framesPerBuffer, flags, NULL, NULL );
+ if( jpa_CheckError( env, err ) == 0 )
+ {
+ jclass cls = (*env)->GetObjectClass(env, blockingStream);
+ jpa_SetLongField( env, cls, blockingStream, "nativeStream", (jlong) stream );
+ if( paInParams != NULL )
+ {
+ jpa_SetIntField( env, cls, blockingStream, "inputFormat", paInParams->sampleFormat );
+ }
+ if( paOutParams != NULL )
+ {
+ jpa_SetIntField( env, cls, blockingStream, "outputFormat", paOutParams->sampleFormat );
+ }
+ }
}
*/
/*
- * The text above constitutes the entire PortAudio license; however,
+ * The text above constitutes the entire PortAudio license; however,
* the PortAudio community also makes the following non-binding requests:
*
* Any person wishing to distribute modifications to the Software is
* requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version. It is also
- * requested that these non-binding requests be included along with the
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
* license above.
*/
/* Look for the instance field maxInputChannels in cls */
jfieldID fid = (*env)->GetFieldID(env, cls, fieldName, "I");
if (fid == NULL)
- {
- jpa_ThrowError( env, "Cannot find integer JNI field." );
- return 0;
+ {
+ jpa_ThrowError( env, "Cannot find integer JNI field." );
+ return 0;
+ }
+ else
+ {
+ return (*env)->GetIntField(env, obj, fid );
}
- else
- {
- return (*env)->GetIntField(env, obj, fid );
- }
}
void jpa_SetIntField( JNIEnv *env, jclass cls, jobject obj, const char *fieldName, jint value )
/* Look for the instance field maxInputChannels in cls */
jfieldID fid = (*env)->GetFieldID(env, cls, fieldName, "I");
if (fid == NULL)
- {
- jpa_ThrowError( env, "Cannot find integer JNI field." );
+ {
+ jpa_ThrowError( env, "Cannot find integer JNI field." );
+ }
+ else
+ {
+ (*env)->SetIntField(env, obj, fid, value );
}
- else
- {
- (*env)->SetIntField(env, obj, fid, value );
- }
}
jlong jpa_GetLongField( JNIEnv *env, jclass cls, jobject obj, const char *fieldName )
/* Look for the instance field maxInputChannels in cls */
jfieldID fid = (*env)->GetFieldID(env, cls, fieldName, "J");
if (fid == NULL)
- {
- jpa_ThrowError( env, "Cannot find long JNI field." );
- return 0L;
+ {
+ jpa_ThrowError( env, "Cannot find long JNI field." );
+ return 0L;
+ }
+ else
+ {
+ return (*env)->GetLongField(env, obj, fid );
}
- else
- {
- return (*env)->GetLongField(env, obj, fid );
- }
}
void jpa_SetLongField( JNIEnv *env, jclass cls, jobject obj, const char *fieldName, jlong value )
/* Look for the instance field maxInputChannels in cls */
jfieldID fid = (*env)->GetFieldID(env, cls, fieldName, "J");
if (fid == NULL)
- {
- jpa_ThrowError( env, "Cannot find long JNI field." );
+ {
+ jpa_ThrowError( env, "Cannot find long JNI field." );
+ }
+ else
+ {
+ (*env)->SetLongField(env, obj, fid, value );
}
- else
- {
- (*env)->SetLongField(env, obj, fid, value );
- }
}
/* Look for the instance field maxInputChannels in cls */
jfieldID fid = (*env)->GetFieldID(env, cls, fieldName, "D");
if (fid == NULL)
- {
- jpa_ThrowError( env, "Cannot find double JNI field." );
+ {
+ jpa_ThrowError( env, "Cannot find double JNI field." );
+ }
+ else
+ {
+ (*env)->SetDoubleField(env, obj, fid, value );
}
- else
- {
- (*env)->SetDoubleField(env, obj, fid, value );
- }
}
/* Look for the instance field maxInputChannels in cls */
jfieldID fid = (*env)->GetFieldID(env, cls, fieldName, "D");
if (fid == NULL)
- {
- jpa_ThrowError( env, "Cannot find double JNI field." );
- return 0;
+ {
+ jpa_ThrowError( env, "Cannot find double JNI field." );
+ return 0;
+ }
+ else
+ {
+ return (*env)->GetDoubleField(env, obj, fid );
}
- else
- {
- return (*env)->GetDoubleField(env, obj, fid );
- }
}
void jpa_SetStringField( JNIEnv *env, jclass cls, jobject obj, const char *fieldName, const char *value )
/* Look for the instance field maxInputChannels in cls */
jfieldID fid = (*env)->GetFieldID(env, cls, fieldName, "Ljava/lang/String;");
if (fid == NULL)
- {
- jpa_ThrowError( env, "Cannot find String JNI field." );
+ {
+ jpa_ThrowError( env, "Cannot find String JNI field." );
+ }
+ else
+ {
+ jstring jstr = (*env)->NewStringUTF(env, value);
+ if (jstr == NULL)
+ {
+ jpa_ThrowError( env, "Cannot create new String." );
+ }
+ else
+ {
+ (*env)->SetObjectField(env, obj, fid, jstr );
+ }
}
- else
- {
- jstring jstr = (*env)->NewStringUTF(env, value);
- if (jstr == NULL)
- {
- jpa_ThrowError( env, "Cannot create new String." );
- }
- else
- {
- (*env)->SetObjectField(env, obj, fid, jstr );
- }
- }
}
PaStreamParameters *jpa_FillStreamParameters( JNIEnv *env, jobject jstreamParam, PaStreamParameters *myParams )
{
- jclass cls;
-
- if( jstreamParam == NULL ) return NULL; // OK, not an error
-
- cls = (*env)->GetObjectClass(env, jstreamParam);
-
- myParams->channelCount = jpa_GetIntField( env, cls, jstreamParam, "channelCount" );
- myParams->device = jpa_GetIntField( env, cls, jstreamParam, "device" );
- myParams->sampleFormat = jpa_GetIntField( env, cls, jstreamParam, "sampleFormat" );
- myParams->suggestedLatency = jpa_GetDoubleField( env, cls, jstreamParam, "suggestedLatency" );
- myParams->hostApiSpecificStreamInfo = NULL;
-
- return myParams;
+ jclass cls;
+
+ if( jstreamParam == NULL ) return NULL; // OK, not an error
+
+ cls = (*env)->GetObjectClass(env, jstreamParam);
+
+ myParams->channelCount = jpa_GetIntField( env, cls, jstreamParam, "channelCount" );
+ myParams->device = jpa_GetIntField( env, cls, jstreamParam, "device" );
+ myParams->sampleFormat = jpa_GetIntField( env, cls, jstreamParam, "sampleFormat" );
+ myParams->suggestedLatency = jpa_GetDoubleField( env, cls, jstreamParam, "suggestedLatency" );
+ myParams->hostApiSpecificStreamInfo = NULL;
+
+ return myParams;
}
// Create an exception that will be thrown when we return from the JNI call.
jint jpa_ThrowError( JNIEnv *env, const char *message )
{
- return (*env)->ThrowNew(env, (*env)->FindClass( env, "java/lang/RuntimeException"),
+ return (*env)->ThrowNew(env, (*env)->FindClass( env, "java/lang/RuntimeException"),
message );
}
// Throw an exception on error.
jint jpa_CheckError( JNIEnv *env, PaError err )
{
- if( err == -1 )
- {
+ if( err == -1 )
+ {
return jpa_ThrowError( env, "-1, possibly no available default device" );
}
else if( err < 0 )
{
- if( err == paUnanticipatedHostError )
- {
- const PaHostErrorInfo *hostErrorInfo = Pa_GetLastHostErrorInfo();
- return jpa_ThrowError( env, hostErrorInfo->errorText );
- }
- else
- {
- return jpa_ThrowError( env, Pa_GetErrorText( err ) );
- }
- }
- else
- {
- return err;
- }
+ if( err == paUnanticipatedHostError )
+ {
+ const PaHostErrorInfo *hostErrorInfo = Pa_GetLastHostErrorInfo();
+ return jpa_ThrowError( env, hostErrorInfo->errorText );
+ }
+ else
+ {
+ return jpa_ThrowError( env, Pa_GetErrorText( err ) );
+ }
+ }
+ else
+ {
+ return err;
+ }
}
// Get the stream pointer from a BlockingStream long field.
PaStream *jpa_GetStreamPointer( JNIEnv *env, jobject blockingStream )
{
- jclass cls = (*env)->GetObjectClass(env, blockingStream);
- return (PaStream *) jpa_GetLongField( env, cls, blockingStream, "nativeStream" );
+ jclass cls = (*env)->GetObjectClass(env, blockingStream);
+ return (PaStream *) jpa_GetLongField( env, cls, blockingStream, "nativeStream" );
}
*/
/*
- * The text above constitutes the entire PortAudio license; however,
+ * The text above constitutes the entire PortAudio license; however,
* the PortAudio community also makes the following non-binding requests:
*
* Any person wishing to distribute modifications to the Software is
* requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version. It is also
- * requested that these non-binding requests be included along with the
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
* license above.
*/
projects / portaudio / commitdiff