1 files changed, 165 insertions, 0 deletions
diff --git a/portaudio/bindings/cpp/source/portaudiocpp/StreamParameters.cxx b/portaudio/bindings/cpp/source/portaudiocpp/StreamParameters.cxx
new file mode 100644
index 0000000..5857710
--- /dev/null
+++ b/portaudio/bindings/cpp/source/portaudiocpp/StreamParameters.cxx
@@ -0,0 +1,165 @@
+#include "portaudiocpp/StreamParameters.hxx"
+
+#include <cstddef>
+
+#include "portaudiocpp/Device.hxx"
+
+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 &parameters)
+	{
+		inputParameters_ = parameters;
+	}
+
+	void StreamParameters::setOutputParameters(const DirectionSpecificStreamParameters &parameters)
+	{
+		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
+
+
+
+
+