Pass-through audio plugin implementation for Project64.

DummyAudioPlugin.cpp

#include <stdint.h>
#include <Windows.h>

#define EXPORT	__declspec(dllexport)
#define CALL	__cdecl

typedef struct {
	uint16_t Version;
	uint16_t Type;
	char Name[100];
	int NormalMemory;
	int MemoryBswaped;
} PLUGIN_INFO;

typedef struct {
	HWND hwnd;
	HINSTANCE hinst;
	int MemoryBswaped;
	uint8_t * HEADER;
	uint8_t * RDRAM;
	uint8_t * DMEM;
	uint8_t * IMEM;
	uint32_t * MI_INTR_REG;
	uint32_t * AI_DRAM_ADDR_REG;
	uint32_t * AI_LEN_REG;
	uint32_t * AI_CONTROL_REG;
	uint32_t * AI_STATUS_REG;
	uint32_t * AI_DACRATE_REG;
	uint32_t * AI_BITRATE_REG;
	void(*CheckInterrupts)(void);
} AUDIO_INFO;

extern "C" {

BOOL WINAPI DllMain(HINSTANCE, DWORD, LPVOID) { return TRUE; }

EXPORT void CALL AiDacrateChanged(int) {}

EXPORT void CALL AiLenChanged(void) {}

EXPORT uint32_t CALL AiReadLength(void) { return 0; }

EXPORT void CALL AiUpdate(int) {}

EXPORT void CALL CloseDLL(void) {}

EXPORT void CALL DllAbout(HWND) {}

EXPORT void CALL DllConfig(HWND) {}

EXPORT void CALL DllTest(HWND) {}

EXPORT void CALL GetDllInfo(PLUGIN_INFO * info)
{
	info->MemoryBswaped = TRUE;
	info->NormalMemory = FALSE;
	strcpy(info->Name, "Dummy Audio Plugin");
	info->Type = 3; // Audio
	info->Version = 0x0101;
}

EXPORT int32_t  CALL InitiateAudio(AUDIO_INFO) { return 1; }

EXPORT void CALL ProcessAList(void) {}

EXPORT void CALL RomClosed(void) {}

EXPORT void CALL RomOpen(void) {}

EXPORT void CALL PluginLoaded(void) {}

EXPORT void CALL AiCallBack(void) {}

}