/****************************************************************************
*                                                                           *
* Azimer's HLE Audio Plugin for Project64 Compatible N64 Emulators          *
* http://www.apollo64.com/                                                  *
* Copyright (C) 2000-2019 Azimer. All rights reserved.                      *
*                                                                           *
* License:                                                                  *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html                        *
*                                                                           *
****************************************************************************/
#pragma once

#include "common.h"
#include "Configuration.h"


class SoundDriverInterface
{
private:

public:
	virtual ~SoundDriverInterface() {};
	// Setup and Teardown Functions
	virtual Boolean Initialize() = 0;
	virtual void DeInitialize() = 0;

	// Management functions
	virtual void AiUpdate(Boolean Wait) { UNREFERENCED_PARAMETER(Wait); }; // Optional
	virtual void StopAudio() = 0;							// Stops the Audio PlayBack (as if paused)
	virtual void StartAudio() = 0;							// Starts the Audio PlayBack (as if unpaused)
	virtual void SetFrequency(u32 Frequency) = 0; // Sets the Nintendo64 Game Audio Frequency

	// Audio Spec interface methods (new)
	virtual void AI_SetFrequency(u32 Frequency) = 0;
	virtual void AI_LenChanged(u8 *start, u32 length) = 0;
	virtual u32 AI_ReadLength() = 0;
	virtual void AI_Startup() = 0;
	virtual void AI_Shutdown() = 0;
	virtual void AI_ResetAudio() = 0;
	virtual void AI_Update(Boolean Wait) = 0;

	virtual void SetVolume(u32 volume) = 0;
};