add initial structure

1 files changed, 100 insertions, 0 deletions

diff --git a/portaudio/bindings/cpp/source/portaudiocpp/BlockingStream.cxx b/portaudio/bindings/cpp/source/portaudiocpp/BlockingStream.cxx
new file mode 100644
index 0000000..b26b9e8
--- /dev/null
+++ b/portaudio/bindings/cpp/source/portaudiocpp/BlockingStream.cxx
@@ -0,0 +1,100 @@
+#include "portaudiocpp/BlockingStream.hxx"
+
+#include "portaudio.h"
+
+#include "portaudiocpp/StreamParameters.hxx"
+#include "portaudiocpp/Exception.hxx"
+
+namespace portaudio
+{
+
+	// --------------------------------------------------------------------------------------
+
+	BlockingStream::BlockingStream()
+	{
+	}
+
+	BlockingStream::BlockingStream(const StreamParameters &parameters)
+	{
+		open(parameters);
+	}
+
+	BlockingStream::~BlockingStream()
+	{
+		try
+		{
+			close();
+		}
+		catch (...)
+		{
+			// ignore all errors
+		}
+	}
+
+	// --------------------------------------------------------------------------------------
+
+	void BlockingStream::open(const StreamParameters &parameters)
+	{
+		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
+
+
+