Chris@39: #include "portaudiocpp/BlockingStream.hxx"
Chris@39: 
Chris@39: #include "portaudio.h"
Chris@39: 
Chris@39: #include "portaudiocpp/StreamParameters.hxx"
Chris@39: #include "portaudiocpp/Exception.hxx"
Chris@39: 
Chris@39: namespace portaudio
Chris@39: {
Chris@39: 
Chris@39: 	// --------------------------------------------------------------------------------------
Chris@39: 
Chris@39: 	BlockingStream::BlockingStream()
Chris@39: 	{
Chris@39: 	}
Chris@39: 
Chris@39: 	BlockingStream::BlockingStream(const StreamParameters &parameters)
Chris@39: 	{
Chris@39: 		open(parameters);
Chris@39: 	}
Chris@39: 
Chris@39: 	BlockingStream::~BlockingStream()
Chris@39: 	{
Chris@39: 		try
Chris@39: 		{
Chris@39: 			close();
Chris@39: 		}
Chris@39: 		catch (...)
Chris@39: 		{
Chris@39: 			// ignore all errors
Chris@39: 		}
Chris@39: 	}
Chris@39: 
Chris@39: 	// --------------------------------------------------------------------------------------
Chris@39: 
Chris@39: 	void BlockingStream::open(const StreamParameters &parameters)
Chris@39: 	{
Chris@39: 		PaError err = Pa_OpenStream(&stream_, parameters.inputParameters().paStreamParameters(), parameters.outputParameters().paStreamParameters(), 
Chris@39: 			parameters.sampleRate(), parameters.framesPerBuffer(), parameters.flags(), NULL, NULL);
Chris@39: 
Chris@39: 		if (err != paNoError)
Chris@39: 		{
Chris@39: 			throw PaException(err);
Chris@39: 		}
Chris@39: 	}
Chris@39: 
Chris@39: 	// --------------------------------------------------------------------------------------
Chris@39: 
Chris@39: 	void BlockingStream::read(void *buffer, unsigned long numFrames)
Chris@39: 	{
Chris@39: 		PaError err = Pa_ReadStream(stream_, buffer, numFrames);
Chris@39: 
Chris@39: 		if (err != paNoError)
Chris@39: 		{
Chris@39: 			throw PaException(err);
Chris@39: 		}
Chris@39: 	}
Chris@39: 
Chris@39: 	void BlockingStream::write(const void *buffer, unsigned long numFrames)
Chris@39: 	{
Chris@39: 		PaError err = Pa_WriteStream(stream_, buffer, numFrames);
Chris@39: 
Chris@39: 		if (err != paNoError)
Chris@39: 		{
Chris@39: 			throw PaException(err);
Chris@39: 		}
Chris@39: 	}
Chris@39: 
Chris@39: 	// --------------------------------------------------------------------------------------
Chris@39: 
Chris@39: 	signed long BlockingStream::availableReadSize() const
Chris@39: 	{
Chris@39: 		signed long avail = Pa_GetStreamReadAvailable(stream_);
Chris@39: 
Chris@39: 		if (avail < 0)
Chris@39: 		{
Chris@39: 			throw PaException(avail);
Chris@39: 		}
Chris@39: 
Chris@39: 		return avail;
Chris@39: 	}
Chris@39: 
Chris@39: 	signed long BlockingStream::availableWriteSize() const
Chris@39: 	{
Chris@39: 		signed long avail = Pa_GetStreamWriteAvailable(stream_);
Chris@39: 
Chris@39: 		if (avail < 0)
Chris@39: 		{
Chris@39: 			throw PaException(avail);
Chris@39: 		}
Chris@39: 
Chris@39: 		return avail;
Chris@39: 	}
Chris@39: 
Chris@39: 	// --------------------------------------------------------------------------------------
Chris@39: 
Chris@39: } // portaudio
Chris@39: 
Chris@39: 
Chris@39: