plugin.c

#include <stdio.h>
#include <stdlib.h>
#include "aeffect.h"
#include "aeffectx.h"

#define vst_export __declspec(dllexport)

// prototype for external function
vst_export struct AEffect* VSTPluginMain(audioMasterCallback audioMaster);

// constants
const VstInt32 plugversion = 1010;

// AuDioPlugin class
typedef struct AudioPlugin
{
	VstInt32 samplerate;
	VstInt32 left_channel;
	VstInt32 right_channel;
} APlugin;

// Dispatcher function
VstIntPtr VSTCALLBACK Dispatcher(AEffect* effect, VstInt32 opcode, VstInt32 index, VstIntPtr value, void* ptr, float opt)
{
	AEffect* aef = (AEffect*)malloc(sizeof(AEffect));
	VstIntPtr result = 0;
	FILE *fp;
	switch (opcode)
	{
	case effClose:
		free(aef);
		break;
	case effGetPlugCategory:
		return kPlugCategEffect;
	case effGetVendorString:
		vst_strncpy(ptr, "Alex Longard", kVstMaxVendorStrLen);
	case effGetVendorVersion:
		return plugversion;
	default:
		break;
	}
	fp = fopen("log.txt", "w");
	fprintf(fp, "worked! %d\n", ptr);
	fclose(fp);
	return result;
}


vst_export AEffect*  VSTPluginMain(audioMasterCallback audioMaster)
{
	AEffect* aef = (AEffect*)malloc(sizeof(AEffect));
	memset(aef, 0, sizeof(AEffect));
	aef->magic = kEffectMagic;
	aef->dispatcher = &Dispatcher;
	aef->numInputs = 2;
	aef->numOutputs = 2;
	aef->flags = effFlagsCanReplacing;
	// aef->processReplacing = &ProcessProc;
	aef->uniqueID = 4321;
	aef->version = plugversion;
	FILE *fp;
	fp = fopen("data.txt", "w");
	fprintf(fp, "i'am work %d\n", aef);
	fclose(fp);
	return aef;
}