Added exposed function in ayfStart node for tutorial

sources/sub-projects/ayfstarter/sources/Components/AudioNodes/ayfAuNStarter/CMakeLists.txt

@@ -62,8 +62,12 @@ if(JVX_USE_PART_MATLAB)
 	set(LOCAL_START_SCRIPT_MATLAB_SCRIPT_NAME "ayfStarter-mat")
 	set(LOCAL_START_SCRIPT_MATLAB ${CMAKE_CURRENT_SOURCE_DIR}/scripts/${JVX_OS}/start_mat)
 
+	set(JVX_MCG_LOCAL_FILE ${CMAKE_CURRENT_SOURCE_DIR}/mcg/exports_project.mcg)
+
 	# Activate the secondary Matlab project
 	JVX_ACTIVATE_VERSION_MATLAB(${PROJECT_NAME} JVX_EXTERNAL_CALL_ENABLED)
+
+	# message(FATAL_ERROR "Hier")
 endif()
 
 

sources/sub-projects/ayfstarter/sources/Components/AudioNodes/ayfAuNStarter/matlab-local/jvxProcessOffline_local.m

@@ -1,8 +1,13 @@
-function [jvx_handle, jvx_out_frame] =jvxProcessOffline_local(jvx_handle, jvx_in_frame)
+function [jvx_handle, jvx_out_frame_m] =jvxProcessOffline_local(jvx_handle, jvx_in_frame)
 
-% Obtain processing handle
-global inProcessing; % <- access to the current processing data struct, frame counter etc.
-global jvx_host_call_global; % <- access to the underlying AudYoFlo host
+% Access to the host
+global jvx_host_call_global; 
 
 % Realize talkthrough
-jvx_out_frame = jvx_in_frame * jvx_handle.volume;
+% Version I: C function version
+[a, jvx_out_frame_c] = jvx_host_call_global('external_call', 'CayfAuNStarter', 'ayf_starter_lib_process', jvx_in_frame);
+
+% Version II: Matlab version
+jvx_out_frame_m = jvx_in_frame * jvx_handle.volume;
+
+% Optional: compare both outputs!

sources/sub-projects/ayfstarter/sources/Components/AudioNodes/ayfAuNStarter/mcg/exports_project.mcg

@@ -0,0 +1,22 @@
+SECTION MATLAB_EXPORTS
+{
+	//USE_MATLAB_CALL_AS_LIBRARY = "YES";
+	REFERENCE_CLASS = "CayfAuNStarter";
+	OUTPUTFILE_NAME = "CayfAuNStarter_external";
+	SECTION ayf_starter_lib_process
+	{
+		DESCRIPTION = "Simple example function to call core processing function";
+		ACCEPT_INPUT_TYPES = { "JVX_DATAFORMAT_DATA"};
+		DIMENSION_INPUT_FIELD = {"2D"};
+		DESCRIPTION_INPUT_PARAMETERS = { "Input signal, NxM"};
+		ACCEPT_INPUT_NUMBER_MIN = 1;
+		ACCEPT_INPUT_NUMBER_MAX = 1;
+		PRODUCE_OUTPUT_TYPES = {"JVX_DATAFORMAT_DATA"};
+		DIMENSION_OUTPUT_FIELD = {"2D"};
+		DESCRIPTION_INPUT_PARAMETERS = { "Output signal, NxM"};		
+		ACCEPT_OUTPUT_NUMBER_MIN = 1;
+		ACCEPT_OUTPUT_NUMBER_MAX = 1;
+		INPUT_OUTPUT_CROSS_REFERENCE_X = {0};
+		INPUT_OUTPUT_CROSS_REFERENCE_Y = {0};
+	};
+};

sources/sub-projects/ayfstarter/sources/Components/AudioNodes/ayfAuNStarter/src/CayfAuNStarter.h

@@ -57,6 +57,13 @@ class CayfAuNStarter: public AYF_AUDIO_NODE_BASE_CLASS, public genStarter_node
 	// Step III: Define a property-set callback
 	JVX_PROPERTIES_FORWARD_C_CALLBACK_DECLARE(cb_async_set);
 
+
+#ifdef JVX_EXTERNAL_CALL_ENABLED
+#include "mcg_exports_project_prototypes.h"	
+	void initExternalCall();
+	void terminateExternalCall();
+#endif
+
 };
 
 #ifdef JVX_PROJECT_NAMESPACE

sources/sub-projects/ayfstarter/sources/Components/AudioNodes/ayfAuNStarter/src/CayfAuNStarter_mex.cpp

@@ -4,6 +4,61 @@
 namespace JVX_PROJECT_NAMESPACE {
 #endif
 
+#include "mcg_exports_project.h"
+
+	void
+		CayfAuNStarter::initExternalCall()
+	{
+		std::string nameRegComponent;
+
+		// Obtain register name from generated code
+		requestExternalCallRegisterName(nameRegComponent);
+
+		// Set the string reference
+		_theExtCallObjectName = nameRegComponent;
+
+		// Request the handle
+		requestExternalCallHandle(_common_set_min.theHostRef, &_theExtCallHandler);
+
+		// Initialize it
+		initExternalCallhandler(_theExtCallHandler, static_cast<IjvxExternalCallTarget*>(this), _theExtCallObjectName);
+	}
+
+	void
+		CayfAuNStarter::terminateExternalCall()
+	{
+		// Unregister all local functions
+		terminateExternalCallhandler(_theExtCallHandler);
+
+		// NEVER derister the _theExtCallHandler instance here - it is still required by the base class
+	}
+
+	// ============================================================================================================
+	jvxErrorType CayfAuNStarter::ayf_starter_lib_process(
+		/* Input signal, NxM->*/ jvxData** paramIn0, jvxInt32 dimInY0, jvxInt32 dimInX0,
+		/* Output Parameter 0->*/ jvxData** paramOut0, jvxInt32 dimOutY0, jvxInt32 dimOutX0)
+	{
+		ayf_starter handle;
+		memset(&handle, 0, sizeof(handle));
+
+		if (dimInX0 != dimOutX0)
+		{
+			return JVX_ERROR_INVALID_SETTING;
+		}
+
+		ayf_starter_init(&handle);
+
+		handle.prmAsync.volume = processing_lib.prmAsync.volume;
+
+		ayf_starter_prepare(&handle);
+
+		ayf_starter_process(&handle, paramIn0, paramOut0, dimInY0, dimOutY0, dimInX0);
+
+		ayf_starter_postprocess(&handle);
+
+		return JVX_NO_ERROR;
+	}
+
 #ifdef JVX_PROJECT_NAMESPACE
 }
 #endif