Irrlicht Engine

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#pragma once

#include <fmod.hpp>
#include <fmod_errors.h>

#pragma comment(lib, "fmodex_vc.lib")

using namespace FMOD;

class FMODSoundSystem
{
private:
	FMOD::System      *system;
	FMOD::Sound       *sound;
	FMOD::Channel     *channel;
	FMOD_RESULT       result;
    unsigned int      version;
public:
	FMODSoundSystem(const char *,int,FMOD_INITFLAGS);
	~FMODSoundSystem(void);
	void PlaySound(void);
	void Update(void);
};

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#include "FMODSoundSystem.h"

void ERRCHECK(FMOD_RESULT result)
{
    if (result != FMOD_OK)
    {
//        cout << "FMOD error! (" << result << ") " << FMOD_ErrorString(result) << "\n" << endl;
//        ~FMODSoundSystem();
    }
}

FMODSoundSystem::FMODSoundSystem(const char *name_or_data, int maxchannels, FMOD_INITFLAGS flags)
{
	channel = 0;

    // Create a system object
    result = System_Create(&system);
    ERRCHECK(result);

	// Determine FMOD version
	result = system->getVersion(&version);
    ERRCHECK(result);

    if (version < FMOD_VERSION)
    {
//        cout << "Error!  You are using an old version of FMOD " << version << "x.  This program requires " << FMOD_VERSION << "x\n" << endl;
//        return 0;
    }

	// Initialize FMOD System
	result = system->init(maxchannels, FMOD_INIT_NORMAL, 0);
    ERRCHECK(result);

	// Create Sound
	result = system->createSound(name_or_data, flags, 0, &sound);
    ERRCHECK(result);

	// Set Sound Mode
	result = sound->setMode(FMOD_LOOP_OFF);
    ERRCHECK(result);
}

FMODSoundSystem::~FMODSoundSystem(void)
{
	// shut down sound
	result = sound->release();
	ERRCHECK(result);
}

void
FMODSoundSystem::PlaySound(void)
{
	result = system->playSound(FMOD_CHANNEL_FREE, sound, false, &channel);
	ERRCHECK(result);
}

void
FMODSoundSystem::Update(void)
{
	result = system->update();
	ERRCHECK(result);

	unsigned int ms = 0;
	unsigned int lenms = 0;
	bool         playing = 0;
	bool         paused = 0;
	int          channelsplaying = 0;

	if (channel)
	{
		FMOD::Sound *currentsound = 0;

		result = channel->isPlaying(&playing);
		if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
		{
			ERRCHECK(result);
		}

		result = channel->getPaused(&paused);
		if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
		{
			ERRCHECK(result);
		}

		result = channel->getPosition(&ms, FMOD_TIMEUNIT_MS);
		if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
		{
			ERRCHECK(result);
		}

		channel->getCurrentSound(&currentsound);

		if (currentsound)
		{
			result = currentsound->getLength(&lenms, FMOD_TIMEUNIT_MS);
			if ((result != FMOD_OK) && (result != FMOD_ERR_INVALID_HANDLE) && (result != FMOD_ERR_CHANNEL_STOLEN))
			{
				ERRCHECK(result);
			}
		}
	}

	system->getChannelsPlaying(&channelsplaying);
}

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void CGameMenuState::Init(CGameManager * pManager)
{
	// initialise from parent
	CGameState::Init(pManager);

...

	// Initialize music
    //titleMusic = new FMODSoundSystem("media/Music/dw1_title_sound.wav",32,FMOD_HARDWARE);
    titleMusic = new FMODSoundSystem("media/dw1_title_sound.wav",16,FMOD_SOFTWARE);

	CGameState::FadeInOut(pManager);
}

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//! Update, game loop for intro state
void CGameMenuState::Update(CGameManager * pManager)
{
	pManager->getDriver()->beginScene(true, true, video::SColor(0,0,0,0));
	pManager->getGUIEnvironment()->drawAll();
	// Play music
	titleMusic->PlaySound();
	titleMusic->Update();
	MouseOver(pManager);
	DisplayMouse(pManager);	
    pManager->getDriver()->endScene();	
}

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First-chance exception at 0xe3c04316 in DW1_3D.exe: 0xC0000005: Access violation reading location 0xe3c04316.
First-chance exception at 0x004a01f3 in DW1_3D.exe: 0xC0000005: Access violation reading location 0x00000124.
First-chance exception at 0x1c88f9d4 in DW1_3D.exe: 0xC000001E:  An attempt was made to execute an invalid lock sequence.
First-chance exception at 0x7c93784f in DW1_3D.exe: 0xC0000005: Access violation reading location 0x00000004.
Unhandled exception at 0x7c93784f in DW1_3D.exe: 0xC0000005: Access violation reading location 0x00000004.
The program '[460] DW1_3D.exe: Native' has exited with code -1073741819 (0xc0000005).