1 files changed, 333 insertions, 0 deletions
diff --git a/public.sdk/samples/vst2.x/minihost/source/minihost.cpp b/public.sdk/samples/vst2.x/minihost/source/minihost.cpp
new file mode 100644
index 0000000..686ee50
--- /dev/null
+++ b/public.sdk/samples/vst2.x/minihost/source/minihost.cpp
@@ -0,0 +1,333 @@
+//-------------------------------------------------------------------------------------------------------
+// VST Plug-Ins SDK
+// Version 2.4		$Date: 2006/11/13 09:08:28 $
+//
+// Category     : VST 2.x SDK Samples
+// Filename     : minihost.cpp
+// Created by   : Steinberg
+// Description  : VST Mini Host
+//
+// © 2006, Steinberg Media Technologies, All Rights Reserved
+//-------------------------------------------------------------------------------------------------------
+
+#include "pluginterfaces/vst2.x/aeffectx.h"
+
+#if _WIN32
+#include <windows.h>
+#elif TARGET_API_MAC_CARBON
+#include <CoreFoundation/CoreFoundation.h>
+#endif
+
+#include <stdio.h>
+
+//-------------------------------------------------------------------------------------------------------
+static const VstInt32 kBlockSize = 512;
+static const float kSampleRate = 48000.f;
+static const VstInt32 kNumProcessCycles = 5;
+
+//-------------------------------------------------------------------------------------------------------
+typedef AEffect* (*PluginEntryProc) (audioMasterCallback audioMaster);
+static VstIntPtr VSTCALLBACK HostCallback (AEffect* effect, VstInt32 opcode, VstInt32 index, VstIntPtr value, void* ptr, float opt);
+
+//-------------------------------------------------------------------------------------------------------
+// PluginLoader
+//-------------------------------------------------------------------------------------------------------
+struct PluginLoader
+{
+//-------------------------------------------------------------------------------------------------------
+	void* module;
+
+	PluginLoader ()
+	: module (0)
+	{}
+
+	~PluginLoader ()
+	{
+		if (module)
+		{
+		#if _WIN32
+			FreeLibrary ((HMODULE)module);
+		#elif TARGET_API_MAC_CARBON
+			CFBundleUnloadExecutable ((CFBundleRef)module);
+			CFRelease ((CFBundleRef)module);
+		#endif
+		}
+	}
+
+	bool loadLibrary (const char* fileName)
+	{
+	#if _WIN32
+		module = LoadLibrary (fileName);
+	#elif TARGET_API_MAC_CARBON
+		CFStringRef fileNameString = CFStringCreateWithCString (NULL, fileName, kCFStringEncodingUTF8);
+		if (fileNameString == 0)
+			return false;
+		CFURLRef url = CFURLCreateWithFileSystemPath (NULL, fileNameString, kCFURLPOSIXPathStyle, false);
+		CFRelease (fileNameString);
+		if (url == 0)
+			return false;
+		module = CFBundleCreate (NULL, url);
+		CFRelease (url);
+		if (module && CFBundleLoadExecutable ((CFBundleRef)module) == false)
+			return false;
+	#endif
+		return module != 0;
+	}
+
+	PluginEntryProc getMainEntry ()
+	{
+		PluginEntryProc mainProc = 0;
+	#if _WIN32
+		mainProc = (PluginEntryProc)GetProcAddress ((HMODULE)module, "VSTPluginMain");
+		if (!mainProc)
+			mainProc = (PluginEntryProc)GetProcAddress ((HMODULE)module, "main");
+	#elif TARGET_API_MAC_CARBON
+		mainProc = (PluginEntryProc)CFBundleGetFunctionPointerForName ((CFBundleRef)module, CFSTR("VSTPluginMain"));
+		if (!mainProc)
+			mainProc = (PluginEntryProc)CFBundleGetFunctionPointerForName ((CFBundleRef)module, CFSTR("main_macho"));
+	#endif
+		return mainProc;
+	}
+//-------------------------------------------------------------------------------------------------------
+};
+
+//-------------------------------------------------------------------------------------------------------
+static bool checkPlatform ()
+{
+#if VST_64BIT_PLATFORM
+	printf ("*** This is a 64 Bit Build! ***\n");
+#else
+	printf ("*** This is a 32 Bit Build! ***\n");
+#endif
+
+	int sizeOfVstIntPtr = sizeof (VstIntPtr);
+	int sizeOfVstInt32 = sizeof (VstInt32);
+	int sizeOfPointer = sizeof (void*);
+	int sizeOfAEffect = sizeof (AEffect);
+	
+	printf ("VstIntPtr = %d Bytes, VstInt32 = %d Bytes, Pointer = %d Bytes, AEffect = %d Bytes\n\n",
+			sizeOfVstIntPtr, sizeOfVstInt32, sizeOfPointer, sizeOfAEffect);
+
+	return sizeOfVstIntPtr == sizeOfPointer;
+}
+
+//-------------------------------------------------------------------------------------------------------
+static void checkEffectProperties (AEffect* effect);
+static void checkEffectProcessing (AEffect* effect);
+extern bool checkEffectEditor (AEffect* effect); // minieditor.cpp
+
+//-------------------------------------------------------------------------------------------------------
+int main (int argc, char* argv[])
+{
+	if (!checkPlatform ())
+	{
+		printf ("Platform verification failed! Please check your Compiler Settings!\n");
+		return -1;
+	}
+
+	const char* fileName = "again.dll";
+	//const char* fileName = "adelay.dll";
+	//const char* fileName = "surrounddelay.dll";
+	//const char* fileName = "vstxsynth.dll";
+	//const char* fileName = "drawtest.dll";
+
+	if (argc > 1)
+		fileName = argv[1];
+
+	printf ("HOST> Load library...\n");
+	PluginLoader loader;
+	if (!loader.loadLibrary (fileName))
+	{
+		printf ("Failed to load VST Plugin library!\n");
+		return -1;
+	}
+
+	PluginEntryProc mainEntry = loader.getMainEntry ();
+	if (!mainEntry)
+	{
+		printf ("VST Plugin main entry not found!\n");
+		return -1;
+	}
+
+	printf ("HOST> Create effect...\n");
+	AEffect* effect = mainEntry (HostCallback);
+	if (!effect)
+	{
+		printf ("Failed to create effect instance!\n");
+		return -1;
+	}
+
+	printf ("HOST> Init sequence...\n");
+	effect->dispatcher (effect, effOpen, 0, 0, 0, 0);
+	effect->dispatcher (effect, effSetSampleRate, 0, 0, 0, kSampleRate);
+	effect->dispatcher (effect, effSetBlockSize, 0, kBlockSize, 0, 0);
+
+	checkEffectProperties (effect);
+	checkEffectProcessing (effect);
+	checkEffectEditor (effect);
+
+	printf ("HOST> Close effect...\n");
+	effect->dispatcher (effect, effClose, 0, 0, 0, 0);
+	return 0;
+}
+
+//-------------------------------------------------------------------------------------------------------
+void checkEffectProperties (AEffect* effect)
+{
+	printf ("HOST> Gathering properties...\n");
+
+	char effectName[256] = {0};
+	char vendorString[256] = {0};
+	char productString[256] = {0};
+
+	effect->dispatcher (effect, effGetEffectName, 0, 0, effectName, 0);
+	effect->dispatcher (effect, effGetVendorString, 0, 0, vendorString, 0);
+	effect->dispatcher (effect, effGetProductString, 0, 0, productString, 0);
+
+	printf ("Name = %s\nVendor = %s\nProduct = %s\n\n", effectName, vendorString, productString);
+
+	printf ("numPrograms = %d\nnumParams = %d\nnumInputs = %d\nnumOutputs = %d\n\n", 
+			effect->numPrograms, effect->numParams, effect->numInputs, effect->numOutputs);
+
+	// Iterate programs...
+	for (VstInt32 progIndex = 0; progIndex < effect->numPrograms; progIndex++)
+	{
+		char progName[256] = {0};
+		if (!effect->dispatcher (effect, effGetProgramNameIndexed, progIndex, 0, progName, 0))
+		{
+			effect->dispatcher (effect, effSetProgram, 0, progIndex, 0, 0); // Note: old program not restored here!
+			effect->dispatcher (effect, effGetProgramName, 0, 0, progName, 0);
+		}
+		printf ("Program %03d: %s\n", progIndex, progName);
+	}
+
+	printf ("\n");
+
+	// Iterate parameters...
+	for (VstInt32 paramIndex = 0; paramIndex < effect->numParams; paramIndex++)
+	{
+		char paramName[256] = {0};
+		char paramLabel[256] = {0};
+		char paramDisplay[256] = {0};
+
+		effect->dispatcher (effect, effGetParamName, paramIndex, 0, paramName, 0);
+		effect->dispatcher (effect, effGetParamLabel, paramIndex, 0, paramLabel, 0);
+		effect->dispatcher (effect, effGetParamDisplay, paramIndex, 0, paramDisplay, 0);
+		float value = effect->getParameter (effect, paramIndex);
+
+		printf ("Param %03d: %s [%s %s] (normalized = %f)\n", paramIndex, paramName, paramDisplay, paramLabel, value);
+	}
+
+	printf ("\n");
+
+	// Can-do nonsense...
+	static const char* canDos[] =
+	{
+		"receiveVstEvents",
+		"receiveVstMidiEvent",
+		"midiProgramNames"
+	};
+
+	for (VstInt32 canDoIndex = 0; canDoIndex < sizeof (canDos) / sizeof (canDos[0]); canDoIndex++)
+	{
+		printf ("Can do %s... ", canDos[canDoIndex]);
+		VstInt32 result = (VstInt32)effect->dispatcher (effect, effCanDo, 0, 0, (void*)canDos[canDoIndex], 0);
+		switch (result)
+		{
+			case 0  : printf ("don't know"); break;
+			case 1  : printf ("yes"); break;
+			case -1 : printf ("definitely not!"); break;
+			default : printf ("?????");
+		}
+		printf ("\n");
+	}
+
+	printf ("\n");
+}
+
+//-------------------------------------------------------------------------------------------------------
+void checkEffectProcessing (AEffect* effect)
+{
+	float** inputs = 0;
+	float** outputs = 0;
+	VstInt32 numInputs = effect->numInputs;
+	VstInt32 numOutputs = effect->numOutputs;
+	
+	if (numInputs > 0)
+	{
+		inputs = new float*[numInputs];
+		for (VstInt32 i = 0; i < numInputs; i++)
+		{
+			inputs[i] = new float[kBlockSize];
+			memset (inputs[i], 0, kBlockSize * sizeof (float));
+		}
+	}
+
+	if (numOutputs > 0)
+	{
+		outputs = new float*[numOutputs];
+		for (VstInt32 i = 0; i < numOutputs; i++)
+		{
+			outputs[i] = new float[kBlockSize];
+			memset (outputs[i], 0, kBlockSize * sizeof (float));
+		}
+	}
+
+	printf ("HOST> Resume effect...\n");
+	effect->dispatcher (effect, effMainsChanged, 0, 1, 0, 0);
+
+	for (VstInt32 processCount = 0; processCount < kNumProcessCycles; processCount++)
+	{
+		printf ("HOST> Process Replacing...\n");
+		effect->processReplacing (effect, inputs, outputs, kBlockSize);
+	}
+
+	printf ("HOST> Suspend effect...\n");
+	effect->dispatcher (effect, effMainsChanged, 0, 0, 0, 0);
+
+	if (numInputs > 0)
+	{
+		for (VstInt32 i = 0; i < numInputs; i++)
+			delete [] inputs[i];
+		delete [] inputs;
+	}
+
+	if (numOutputs > 0)
+	{
+		for (VstInt32 i = 0; i < numOutputs; i++)
+			delete [] outputs[i];
+		delete [] outputs;
+	}
+}
+
+//-------------------------------------------------------------------------------------------------------
+VstIntPtr VSTCALLBACK HostCallback (AEffect* effect, VstInt32 opcode, VstInt32 index, VstIntPtr value, void* ptr, float opt)
+{
+	VstIntPtr result = 0;
+
+	// Filter idle calls...
+	bool filtered = false;
+	if (opcode == audioMasterIdle)
+	{
+		static bool wasIdle = false;
+		if (wasIdle)
+			filtered = true;
+		else
+		{
+			printf ("(Future idle calls will not be displayed!)\n");
+			wasIdle = true;
+		}
+	}
+
+	if (!filtered)
+		printf ("PLUG> HostCallback (opcode %d)\n index = %d, value = %p, ptr = %p, opt = %f\n", opcode, index, FromVstPtr<void> (value), ptr, opt);
+
+	switch (opcode)
+	{
+		case audioMasterVersion :
+			result = kVstVersion;
+			break;
+	}
+
+	return result;
+}