Chris@39: #ifndef INCLUDED_PORTAUDIO_CPPFUNCALLBACKSTREAM_HXX
Chris@39: #define INCLUDED_PORTAUDIO_CPPFUNCALLBACKSTREAM_HXX
Chris@39: 
Chris@39: // ---------------------------------------------------------------------------------------
Chris@39: 
Chris@39: #include "portaudio.h"
Chris@39: 
Chris@39: #include "portaudiocpp/CallbackStream.hxx"
Chris@39: 
Chris@39: // ---------------------------------------------------------------------------------------
Chris@39: 
Chris@39: // Forward declaration(s):
Chris@39: namespace portaudio
Chris@39: {
Chris@39: 	class StreamParameters;
Chris@39: }
Chris@39: 
Chris@39: // ---------------------------------------------------------------------------------------
Chris@39: 
Chris@39: // Declaration(s):
Chris@39: namespace portaudio
Chris@39: {
Chris@39: 
Chris@39: 
Chris@39: 	namespace impl
Chris@39: 	{
Chris@39: 		extern "C"
Chris@39: 		{
Chris@39: 			int cppCallbackToPaCallbackAdapter(const void *inputBuffer, void *outputBuffer, unsigned long numFrames, 
Chris@39: 				const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags, 
Chris@39: 				void *userData);
Chris@39: 		} // extern "C"
Chris@39: 	}
Chris@39: 
Chris@39: 	// -----------------------------------------------------------------------------------
Chris@39: 
Chris@39: 	//////
Chris@39: 	/// @brief Callback stream using a C++ function (either a free function or a static function) 
Chris@39: 	/// callback.
Chris@39: 	//////
Chris@39: 	class FunCallbackStream : public CallbackStream
Chris@39: 	{
Chris@39: 	public:
Chris@39: 		typedef int (*CallbackFunPtr)(const void *inputBuffer, void *outputBuffer, unsigned long numFrames, 
Chris@39: 			const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags, 
Chris@39: 			void *userData);
Chris@39: 
Chris@39: 		// -------------------------------------------------------------------------------
Chris@39: 
Chris@39: 		//////
Chris@39: 		/// @brief Simple structure containing a function pointer to the C++ callback function and a 
Chris@39: 		/// (void) pointer to the user supplied data.
Chris@39: 		//////
Chris@39: 		struct CppToCCallbackData
Chris@39: 		{
Chris@39: 			CppToCCallbackData();
Chris@39: 			CppToCCallbackData(CallbackFunPtr funPtr, void *userData);
Chris@39: 			void init(CallbackFunPtr funPtr, void *userData);
Chris@39: 
Chris@39: 			CallbackFunPtr funPtr;
Chris@39: 			void *userData;
Chris@39: 		};
Chris@39: 
Chris@39: 		// -------------------------------------------------------------------------------
Chris@39: 
Chris@39: 		FunCallbackStream();
Chris@39: 		FunCallbackStream(const StreamParameters &parameters, CallbackFunPtr funPtr, void *userData);
Chris@39: 		~FunCallbackStream();
Chris@39: 
Chris@39: 		void open(const StreamParameters &parameters, CallbackFunPtr funPtr, void *userData);
Chris@39: 
Chris@39: 	private:
Chris@39: 		FunCallbackStream(const FunCallbackStream &); // non-copyable
Chris@39: 		FunCallbackStream &operator=(const FunCallbackStream &); // non-copyable
Chris@39: 
Chris@39: 		CppToCCallbackData adapterData_;
Chris@39: 
Chris@39: 		void open(const StreamParameters &parameters);
Chris@39: 	};
Chris@39: 
Chris@39: 
Chris@39: } // portaudio
Chris@39: 
Chris@39: // ---------------------------------------------------------------------------------------
Chris@39: 
Chris@39: #endif // INCLUDED_PORTAUDIO_CPPFUNCALLBACKSTREAM_HXX