#include?“Utility.h“
#include?“WaveFile.h“



//搜索音頻文件
HRESULT	FindMediaFile（WCHAR?*strDestPath?int?Dest?LPCWSTR?strFilename）;

//////////////////////////////////////////////////////////////////////////
//	Name:?Main（）
//	Describe:Entry?point?of?the?function
//////////////////////////////////////////////////////////////////////////
int?main（）
{
	//1.Initialize?XAudio2?初始化XAudio2
	CoInitializeEx（NULL?COINIT_MULTITHREADED）;			//為當前線程初始化COM組件

	IXAudio2?*pXAudio2?=?NULL;

	HRESULT?hr;
	
	//創建示列
	if?（FAILED（hr=XAudio2Create（&pXAudio20XAUDIO2_DEFAULT_PROCESSOR）））
	{
		::MessageBox（NULL?L“XAudio2?Create?Failed“?L“Error“?NULL）;
		CoUninitialize（）;				??//銷毀線程
		return?hr;
	}

	//創建主聲音，這是最后音頻系統要通過該變量來播放聲音，很關鍵
	IXAudio2MasteringVoice?*pMasterVoice?=?NULL;
	if?（FAILED（hr=pXAudio2->CreateMasteringVoice（&pMasterVoice）））
	{
		::MessageBox（NULL?L“The?Mastering?voice?is?created?failed“?L“Error“?NULL）;
		CoUninitialize（）;
		return?false;
	}

	//2.Locate?the?wave?file	查找音頻文件
	WCHAR?strFilePath[MAX_PATH];
	if?（FAILED（hr?=?FindMediaFile（strFilePath?MAX_PATH?L“Faded.wav“）））
	{
		return?hr;
	}

	//3.Read?in?the?wave?file
	WaveFile?wav;
	if?（FAILED（hr?=?wav.Open（L“Faded.wav“?NULL?WAVEFILE_READ）））
	{
		return?hr;
	}

	//Get?format?of?wave?file
	WAVEFORMATEX?*pwfx?=?wav.GetFormat（）;

	//Calculate?how?much?bytes?and?samples?are?in?the?wave
	DWORD?cbWaveSize?=?wav.GetSize（）;

	//read?the?sample?data?into?memory
	BYTE?*pbWaveData?=?new?BYTE[cbWaveSize];

	if?（FAILED（hr?=?wav.Read（pbWaveData?cbWaveSize?&cbWaveSize）））
	{
		SAFE_DELETE_ARRAY（pbWaveData）;
		return?hr;
	}

	//4.Create?a?Source?Voice??創建源聲音，要播放的聲音需要通過它來轉變
	IXAudio2SourceVoice?*pSourceVoice;
	if?（FAILED（hr?=?pXAudio2->CreateSourceVoice（&pSourceVoice?pwfx）））
	{
		::MessageBox（NULL?L“The?Source?Voice?is?Created?failed“?L“Error“?MB_OK）;
		return?FALSE;
	}

	//5.Submit?an?XAudio2?Buffer?to?the?source?voice?將緩沖區內的音頻提交給源聲音
	XAUDIO2_BUFFER?buffer?=?{?0?};
	buffer.pAudioData?=?pbWaveData;
	buffer.Flags?=?XAUDIO2_END_OF_STREAM;		//tell?the?source?voice?not?to?expect?any?data?after?this?buffer
	buffer.AudioBytes?=?cbWaveSize;

	if?（FAILED（hr?=?pSourceVoice->SubmitSourceBuffer（&buffer）））
	{
		::MessageBox（NULL?L“Submit?an?XAudio2_Buffer?Failed“?L“Error“?MB_OK）;
		pSourceVoice->DestroyVoice（）;
		SAFE_DELETE_ARRAY（pbWaveData）;
		return?FALSE;
	}

	//6.Play?a?Sound?with?XAudio2
	wprintf_s（L“Playing?Faded?Wave?file......“）;
	while?（TRUE）
	{
		if?（FAILED（hr?=?pSourceVoice->Start（0）））
		{
			return?FALSE;
		}

		//Get?the?voice‘s?state
		BOOL?isRunning?=?TRUE;
		while?（SUCCEEDED（hr）?&&?isRunning）
		{
			XAUDIO2_VOICE_STATE?state;
			pSourceVoice->GetState（&state）;
			isRunning?=?（state.BuffersQueued?>?0）?!=?0;

			Sleep（10）;
			system（“pause“）;
		}
	}

	//Release?all?resource
	pMasterVoice->DestroyVoice（）;
	pSourceVoice->DestroyVoice（）;
	SAFE_DELETE_ARRAY（pbWaveData）;
	CoUninitialize（）;
	retu

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-10-18?17:59??DXMusic?by?冷崖\
?????目錄???????????0??2017-10-18?16:59??DXMusic?by?冷崖\.vs\
?????目錄???????????0??2017-10-18?16:59??DXMusic?by?冷崖\.vs\DXMusic\
?????目錄???????????0??2017-10-18?16:59??DXMusic?by?冷崖\.vs\DXMusic\v14\
?????文件???????41472??2017-10-19?17:42??DXMusic?by?冷崖\.vs\DXMusic\v14\.suo
?????目錄???????????0??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\
?????文件????????7905??2017-10-19?15:23??DXMusic?by?冷崖\DXMusic\DXMusic.vcxproj
?????文件????????1247??2017-10-19?15:23??DXMusic?by?冷崖\DXMusic\DXMusic.vcxproj.filters
?????目錄???????????0??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Debug\
?????文件?????????150??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Debug\DXMusic.log
?????目錄???????????0??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Debug\DXMusic.tlog\
?????文件????????1226??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Debug\DXMusic.tlog\CL.command.1.tlog
?????文件???????67314??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Debug\DXMusic.tlog\CL.read.1.tlog
?????文件?????????774??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Debug\DXMusic.tlog\CL.write.1.tlog
?????文件?????????194??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Debug\DXMusic.tlog\DXMusic.lastbuildstate
?????文件????????1188??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Debug\DXMusic.tlog\link.command.1.tlog
?????文件????????3314??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Debug\DXMusic.tlog\link.read.1.tlog
?????文件?????????460??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Debug\DXMusic.tlog\link.write.1.tlog
?????文件???????76853??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Debug\Main.obj
?????文件???????73957??2017-10-19?15:24??DXMusic?by?冷崖\DXMusic\Debug\WaveFile.obj
?????文件?????1035264??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Debug\vc140.idb
?????文件??????708608??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Debug\vc140.pdb
?????文件????37518602??2017-09-30?21:27??DXMusic?by?冷崖\DXMusic\Faded.wav
?????文件????????5537??2017-10-19?15:33??DXMusic?by?冷崖\DXMusic\Main.cpp
?????文件?????????565??2017-10-19?15:24??DXMusic?by?冷崖\DXMusic\Utility.h
?????文件???????15359??2017-10-19?15:23??DXMusic?by?冷崖\DXMusic\WaveFile.cpp
?????文件????????1575??2017-10-18?18:44??DXMusic?by?冷崖\DXMusic\WaveFile.h
?????文件????????1303??2017-10-18?16:59??DXMusic?by?冷崖\DXMusic.sln
?????目錄???????????0??2017-10-19?15:24??DXMusic?by?冷崖\Debug\
?????文件???????57344??2017-10-19?15:33??DXMusic?by?冷崖\Debug\DXMusic.exe
?????文件??????424860??2017-10-19?15:33??DXMusic?by?冷崖\Debug\DXMusic.ilk
............此處省略1個文件信息