C++ 卸载时XAudio2访问冲突异常
我正在尝试使用XAudio2音频系统异步播放循环声音。它可以工作,但是当卸载DLL时(这里的代码在另一个程序加载的DLL中),我在父应用程序中得到一个访问冲突异常 我已经注意到,在我将主控音添加到混音中之前,我没有收到任何错误,但我不知道我可能会用它做错什么 代码如下: 在soundengine.h中C++ 卸载时XAudio2访问冲突异常,c++,windows,exception,directx,access-violation,C++,Windows,Exception,Directx,Access Violation,我正在尝试使用XAudio2音频系统异步播放循环声音。它可以工作,但是当卸载DLL时(这里的代码在另一个程序加载的DLL中),我在父应用程序中得到一个访问冲突异常 我已经注意到,在我将主控音添加到混音中之前,我没有收到任何错误,但我不知道我可能会用它做错什么 代码如下: 在soundengine.h中 #include <Windows.h> #include <xaudio2.h> #include <fstream> #define SAFE_DELETE
#include <Windows.h>
#include <xaudio2.h>
#include <fstream>
#define SAFE_DELETE(p) if(p) {delete p; p = NULL;}
#define SAFE_DELETE_ARRAY(p) if(p) {delete[] p; p = NULL;}
#define DXTRACE_ERR(str,hr) DXTrace(__FILE__,(DWORD)__LINE__,hr,str, FALSE)
using namespace std;
#define XA2SE_PLAY_LOOP 1
#define XA2SE_PLAY_STD 0
#define XA2SE_ERROR_NOTPLAYING -1
#define XA2SE_ERROR_COULD_NOT_OPEN_FILE -2
#define XA2SE_ERROR_NOT_WAVE_FILE -3
#define XA2SE_ERROR_COULD_NOT_SEEK -4
#define XA2SE_ERROR_COULD_NOT_DESCEND -5
#define XA2SE_ERROR_COULD_NOT_RESET -6
#define XA2SE_ERROR_RIFF_ERROR -7
#define XA2SE_ERROR_SIZE_ERROR -8
#define XA2SE_ERROR_COULD_NOT_READ -9
#define XA2SE_ERROR_UNEXPECTED_NULL_VALUE -10
#define XA2SE_ERROR_COULD_NOT_ASCEND -11
#define XA2SE_ERROR_COULD_NOT_GET_INFO -12
#define XA2SE_ERROR_COULD_NOT_ADVANCE -13
#define XA2SE_ERROR_COULD_NOT_READEND -14
#define XA2SE_ERROR_COULD_NOT_SET_INFO -15
#define XA2SE_ERROR_COULD_NOT_CREATE_VOICE -16
#define XA2SE_COULD_NOT_SUBMIT_BUFFER -17
#define WAVEFILE_READ 0x001
class XA2SoundEngine {
public:
IXAudio2MasteringVoice* mv;
IXAudio2SourceVoice* sv;
IXAudio2* pXA2;
XA2SoundEngine();
~XA2SoundEngine();
BOOL Play(LPWSTR file, int mode);
};
class WaveFile {
public:
WAVEFORMATEX* m_pwfx; // Pointer to WAVEFORMATEX structure
HMMIO m_hmmio; // MM I/O handle for the WAVE
MMCKINFO m_ck; // Multimedia RIFF chunk
MMCKINFO m_ckRiff; // Use in opening a WAVE file
DWORD m_dwSize; // The size of the wave file
MMIOINFO m_mmioinfoOut;
BYTE* m_pbData;
BYTE* m_pbDataCur;
ULONG m_ulDataSize;
CHAR* m_pResourceBuffer;
protected:
HRESULT ReadMMIO();
HRESULT WriteMMIO( WAVEFORMATEX* pwfxDest );
public:
WaveFile();
~WaveFile();
HRESULT Open( LPWSTR strFileName);
HRESULT Close();
HRESULT Read( BYTE* pBuffer, DWORD dwSizeToRead, DWORD* pdwSizeRead );
HRESULT Write( UINT nSizeToWrite, BYTE* pbData, UINT* pnSizeWrote );
DWORD GetSize();
HRESULT ResetFile();
WAVEFORMATEX* GetFormat() {
return m_pwfx;
};
};
extern XA2SoundEngine* soundengine;
#包括
#包括
#包括
#如果(p){DELETE p;p=NULL;}
#如果(p){DELETE[]p;p=NULL;}
#定义DXTRACE\u ERR(str,hr)DXTRACE(\uuuu FILE\uuuu,(DWORD)\uuuuu LINE\uu,hr,str,FALSE)
使用名称空间std;
#定义XA2SE\u PLAY\u循环1
#定义XA2SE\U播放\U标准0
#定义XA2SE\u错误\u不播放-1
#定义XA2SE\u错误\u无法\u打开\u文件-2
#定义XA2SE\u错误\u非\u波形\u文件-3
#定义XA2SE\u错误\u无法\u查找-4
#定义XA2SE\u错误\u无法\u下降-5
#定义XA2SE\u错误\u无法\u重置-6
#定义XA2SE_错误\u RIFF_错误-7
#定义XA2SE_错误大小_错误-8
#定义XA2SE\u错误\u无法\u读取-9
#定义XA2SE\u错误\u意外\u空值\u值-10
#定义XA2SE\u错误\u无法\u上升-11
#定义XA2SE\u错误\u无法\u获取\u信息-12
#定义XA2SE\u错误\u无法\u前进-13
#定义XA2SE\u错误\u无法\u读取结束-14
#定义XA2SE\u错误\u无法\u设置\u信息-15
#定义XA2SE\u错误\u无法\u创建\u语音-16
#定义XA2SE\u无法\u提交\u缓冲区-17
#定义波形文件读取0x001
XA2SoundEngine类{
公众:
IXAudio2MasteringVoice*mv;
IXAudio2SourceVoice*sv;
IX2*pXA2;
XA2SoundEngine();
~XA2SoundEngine();
布尔播放(LPWSTR文件,int模式);
};
类波文件{
公众:
WAVEFORMATEX*m_pwfx;//指向WAVEFORMATEX结构的指针
HMMIO m_HMMIO;//MM波的I/O句柄
MMCKINFO m_ck;//多媒体RIFF块
MMCKINFO m_ckRiff;//用于打开波形文件
DWORD m_dwSize;//波形文件的大小
mmoinfo m_mmoinfoout;
字节*m_pbData;
字节*m_pbDataCur;
ULONG m_ulDataSize;
CHAR*m_资源前缓冲区;
受保护的:
HRESULT ReadMMIO();
HRESULT WRITEMIO(波形格式*pwfxDest);
公众:
波形文件();
~WaveFile();
HRESULT Open(LPWSTR strFileName);
HRESULT Close();
HRESULT Read(字节*pBuffer,DWORD dwSizeToRead,DWORD*pdwSizeRead);
HRESULT写入(UINT nSizeToWrite,字节*pbData,UINT*pnsizewrite);
DWORD GetSize();
HRESULT ResetFile();
WAVEFORMATEX*GetFormat(){
返回m_pwfx;
};
};
extern XA2SoundEngine*soundengine;
在soundengine.cpp中
#include "soundengine.h"
struct async_play_params {
LPWSTR file;
int mode;
};
DWORD _stdcall async_play_routine(void* param);
XA2SoundEngine::XA2SoundEngine() {
HRESULT hr;
CoInitializeEx(NULL,COINIT_MULTITHREADED);
pXA2 = NULL;
sv = NULL;
if(FAILED(hr = XAudio2Create(&pXA2))) {
MessageBoxW(NULL,L"The TFDi 737 Extreme Sound system failed to initialize the XAudio2 engine.\r\n\r\nError: FAILED(hr = XAudio2Create(&pXA2, flags))",L"TFDi 737XS Sound Error",MB_OK + MB_ICONERROR);
return;
}
if(FAILED(hr = pXA2->CreateMasteringVoice(&mv))) {
MessageBoxW(NULL,L"The TFDi 737 Extreme Sound system failed to initialize the XAudio2 mastering voice.\r\n\r\nError: FAILED(hr = pXA2->CreateMasteringVoice(&mv))",L"TFDi 737XS Sound Error",MB_OK + MB_ICONERROR);
return;
}
}
XA2SoundEngine::~XA2SoundEngine() {
if(sv)
sv->DestroyVoice();
if(mv)
mv->DestroyVoice();
if(pXA2)
pXA2->Release();
CoUninitialize();
}
BOOL XA2SoundEngine::Play(LPWSTR file, int mode) {
HRESULT hr;
WaveFile wf;
if(FAILED(hr = wf.Open(file)))
return XA2SE_ERROR_COULD_NOT_OPEN_FILE;
WAVEFORMATEX* pwfx = wf.GetFormat();
DWORD wavesize = wf.GetSize();
BYTE* wavedata = new BYTE[wavesize];
if(FAILED(hr = wf.Read(wavedata, wavesize, &wavesize)))
return XA2SE_ERROR_COULD_NOT_READ;
if(soundengine->sv != NULL) {
soundengine->sv->FlushSourceBuffers();
soundengine->sv->DestroyVoice();
}
if(FAILED(hr = soundengine->pXA2->CreateSourceVoice(&soundengine->sv,pwfx))) {
SAFE_DELETE(wavedata);
return XA2SE_ERROR_COULD_NOT_CREATE_VOICE;
}
XAUDIO2_BUFFER buffer = {0};
buffer.pAudioData = wavedata;
buffer.Flags = XAUDIO2_END_OF_STREAM;
buffer.AudioBytes = wavesize;
buffer.LoopBegin = 0;
double nos = (double)wavesize / ((pwfx->wBitsPerSample * pwfx->nChannels) / pwfx->nSamplesPerSec);
buffer.LoopLength = (unsigned int)nos;
buffer.LoopLength = 0;
buffer.LoopCount = (mode == XA2SE_PLAY_LOOP ? XAUDIO2_LOOP_INFINITE : 0);
if(FAILED(hr = soundengine->sv->SubmitSourceBuffer(&buffer))) {
SAFE_DELETE_ARRAY(wavedata);
return XA2SE_COULD_NOT_SUBMIT_BUFFER;
}
hr = soundengine->sv->Start(0);
//SAFE_DELETE_ARRAY(wavedata);
return TRUE;
}
WaveFile::WaveFile() {
m_pwfx = NULL;
m_hmmio = NULL;
m_pResourceBuffer = NULL;
m_dwSize = 0;
}
WaveFile::~WaveFile() {
Close();
SAFE_DELETE_ARRAY(m_pwfx);
}
HRESULT WaveFile::Open( LPWSTR strFileName)
{
HRESULT hr;
if( strFileName == NULL )
return E_INVALIDARG;
SAFE_DELETE_ARRAY(m_pwfx);
m_hmmio = mmioOpenW( strFileName, NULL, MMIO_ALLOCBUF | MMIO_READ );
if( NULL == m_hmmio ) {
return XA2SE_ERROR_COULD_NOT_OPEN_FILE;
}
if(FAILED(hr = ReadMMIO())) {
// ReadMMIO will fail if its an not a wave file
mmioClose( m_hmmio, 0 );
return XA2SE_ERROR_NOT_WAVE_FILE;
}
if( FAILED( hr = ResetFile() ) )
return XA2SE_ERROR_COULD_NOT_RESET;
// After the reset, the size of the wav file is m_ck.cksize so store it now
m_dwSize = m_ck.cksize;
return hr;
}
HRESULT WaveFile::ReadMMIO()
{
MMCKINFO ckIn; // chunk info. for general use.
PCMWAVEFORMAT pcmWaveFormat; // Temp PCM structure to load in.
memset( &ckIn, 0, sizeof(ckIn) );
m_pwfx = NULL;
if((0 != mmioDescend(m_hmmio,&m_ckRiff,NULL,0)))
return XA2SE_ERROR_COULD_NOT_DESCEND;
// Check to make sure this is a valid wave file
if((m_ckRiff.ckid != FOURCC_RIFF) || (m_ckRiff.fccType != mmioFOURCC('W','A','V','E')))
return XA2SE_ERROR_RIFF_ERROR;
// Search the input file for for the 'fmt ' chunk.
ckIn.ckid = mmioFOURCC( 'f', 'm', 't', ' ' );
if( 0 != mmioDescend( m_hmmio, &ckIn, &m_ckRiff, MMIO_FINDCHUNK ) )
return XA2SE_ERROR_COULD_NOT_DESCEND;
// Expect the 'fmt' chunk to be at least as large as <PCMWAVEFORMAT>;
// if there are extra parameters at the end, we'll ignore them
if( ckIn.cksize < ( LONG )sizeof( PCMWAVEFORMAT ) )
return XA2SE_ERROR_SIZE_ERROR;
// Read the 'fmt ' chunk into <pcmWaveFormat>.
if( mmioRead( m_hmmio, ( HPSTR )&pcmWaveFormat,
sizeof( pcmWaveFormat ) ) != sizeof( pcmWaveFormat ) )
return XA2SE_ERROR_COULD_NOT_READ;
// Allocate the waveformatex, but if its not pcm format, read the next
// word, and thats how many extra bytes to allocate.
if( pcmWaveFormat.wf.wFormatTag == WAVE_FORMAT_PCM )
{
m_pwfx = ( WAVEFORMATEX* )new CHAR[ sizeof( WAVEFORMATEX ) ];
if( NULL == m_pwfx )
return XA2SE_ERROR_UNEXPECTED_NULL_VALUE;
// Copy the bytes from the pcm structure to the waveformatex structure
memcpy( m_pwfx, &pcmWaveFormat, sizeof( pcmWaveFormat ) );
m_pwfx->cbSize = 0;
}
else
{
// Read in length of extra bytes.
WORD cbExtraBytes = 0L;
if( mmioRead( m_hmmio, ( CHAR* )&cbExtraBytes, sizeof( WORD ) ) != sizeof( WORD ) )
return XA2SE_ERROR_COULD_NOT_READ;
m_pwfx = ( WAVEFORMATEX* )new CHAR[ sizeof( WAVEFORMATEX ) + cbExtraBytes ];
if( NULL == m_pwfx )
return XA2SE_ERROR_UNEXPECTED_NULL_VALUE;
// Copy the bytes from the pcm structure to the waveformatex structure
memcpy( m_pwfx, &pcmWaveFormat, sizeof( pcmWaveFormat ) );
m_pwfx->cbSize = cbExtraBytes;
// Now, read those extra bytes into the structure, if cbExtraAlloc != 0.
if( mmioRead( m_hmmio, ( CHAR* )( ( ( BYTE* )&( m_pwfx->cbSize ) ) + sizeof( WORD ) ),
cbExtraBytes ) != cbExtraBytes )
{
SAFE_DELETE( m_pwfx );
return XA2SE_ERROR_COULD_NOT_READ;
}
}
// Ascend the input file out of the 'fmt ' chunk.
if( 0 != mmioAscend( m_hmmio, &ckIn, 0 ) )
{
SAFE_DELETE( m_pwfx );
return XA2SE_ERROR_COULD_NOT_ASCEND;
}
return S_OK;
}
DWORD WaveFile::GetSize() {
return m_dwSize;
}
HRESULT WaveFile::ResetFile() {
if( m_hmmio == NULL )
return CO_E_NOTINITIALIZED;
// Seek to the data
if( -1 == mmioSeek( m_hmmio, m_ckRiff.dwDataOffset + sizeof( FOURCC ),
SEEK_SET ) )
return XA2SE_ERROR_COULD_NOT_SEEK;
// Search the input file for the 'data' chunk.
m_ck.ckid = mmioFOURCC( 'd', 'a', 't', 'a' );
if( 0 != mmioDescend( m_hmmio, &m_ck, &m_ckRiff, MMIO_FINDCHUNK ) )
return XA2SE_ERROR_COULD_NOT_DESCEND;
return S_OK;
}
HRESULT WaveFile::Read( BYTE* pBuffer, DWORD dwSizeToRead, DWORD* pdwSizeRead ) {
MMIOINFO mmioinfoIn; // current status of m_hmmio
if( m_hmmio == NULL )
return CO_E_NOTINITIALIZED;
if( pBuffer == NULL || pdwSizeRead == NULL )
return E_INVALIDARG;
*pdwSizeRead = 0;
if( 0 != mmioGetInfo( m_hmmio, &mmioinfoIn, 0 ) )
return XA2SE_ERROR_COULD_NOT_GET_INFO;
UINT cbDataIn = dwSizeToRead;
if( cbDataIn > m_ck.cksize )
cbDataIn = m_ck.cksize;
m_ck.cksize -= cbDataIn;
for( DWORD cT = 0; cT < cbDataIn; cT++ )
{
// Copy the bytes from the io to the buffer.
if( mmioinfoIn.pchNext == mmioinfoIn.pchEndRead )
{
if( 0 != mmioAdvance( m_hmmio, &mmioinfoIn, MMIO_READ ) )
return XA2SE_ERROR_COULD_NOT_ADVANCE;
if( mmioinfoIn.pchNext == mmioinfoIn.pchEndRead )
return XA2SE_ERROR_COULD_NOT_READEND;
}
// Actual copy.
*( ( BYTE* )pBuffer + cT ) = *( ( BYTE* )mmioinfoIn.pchNext );
mmioinfoIn.pchNext++;
}
if( 0 != mmioSetInfo( m_hmmio, &mmioinfoIn, 0 ) )
return XA2SE_ERROR_COULD_NOT_SET_INFO;
*pdwSizeRead = cbDataIn;
return S_OK;
}
HRESULT WaveFile::Close() {
if ( m_hmmio != NULL ) {
mmioClose( m_hmmio, 0 );
m_hmmio = NULL;
}
SAFE_DELETE_ARRAY( m_pResourceBuffer );
return S_OK;
}
#包括“soundengine.h”
结构异步\u播放\u参数{
LPWSTR文件;
int模式;
};
DWORD标准调用异步播放例程(void*param);
XA2SoundEngine::XA2SoundEngine(){
HRESULT-hr;
CoInitializeX(空,Conit_多线程);
pXA2=NULL;
sv=NULL;
if(失败(hr=XAudio2Create(&pXA2))){
MessageBoxW(NULL,L“TFDi 737极限声音系统未能初始化XAudio2引擎。\r\n\r\n错误:失败(hr=XAudio2Create(&pXA2,标志))”,L“TFDi 737XS声音错误”,MB_OK+MB_ICONROR);
返回;
}
如果(失败(hr=pXA2->CreateMasteringVoice(&mv))){
MessageBoxW(NULL,L“TFDi 737极限声音系统未能初始化XAudio2主控语音。\r\n\r\n错误:失败(hr=pXA2->CreateMasteringVoice(&mv)),L“TFDi 737XS声音错误”,MB_OK+MB_ICONERROR);
返回;
}
}
XA2SoundEngine::~XA2SoundEngine(){
if(sv)
sv->破坏语音();
中频(毫伏)
mv->破坏语音();
if(pXA2)
pXA2->Release();
coninitialize();
}
boolxa2soundengine::Play(LPWSTR文件,int模式){
HRESULT-hr;
波形文件wf;
如果(失败(hr=wf.Open(文件)))
返回XA2SE\u错误\u无法\u打开\u文件;
WAVEFORMATEX*pwfx=wf.GetFormat();
DWORD wavesize=wf.GetSize();
字节*wavedata=新字节[wavesize];
if(失败(hr=wf.Read(wavedata、wavesize和wavesize)))
返回XA2SE\u错误\u无法\u读取;
如果(声音引擎->sv!=NULL){
soundengine->sv->FlushSourceBuffers();
soundengine->sv->DestroyVoice();
}
如果(失败(hr=soundengine->pXA2->CreateSourceVoice(&soundengine->sv,pwfx))){
安全删除(wavedata);
返回XA2SE\u错误\u无法\u创建\u语音;
}
XAUDIO2_缓冲区={0};
buffer.pAudioData=wavedata;
buffer.Flags=XAUDIO2\u\u\u流的结束\u;
buffer.AudioBytes=波大小;
buffer.LoopBegin=0;
双编号=(双)波长/((pwfx->wBitsPerSample*pwfx->nChannels)/pwfx->nSamplesPerSec);
buffer.LoopLength=(无符号整数)个;
buffer.LoopLength=0;
buffer.LoopCount=(模式==XA2SE\u PLAY\u LOOP?XAUDIO2\u LOOP\u INFINITE:0);
如果(失败(hr=soundengine->sv->SubmitSourceBuffer(&buffer)){
安全删除数组(wavedata);
返回XA2SE\u无法\u提交\u缓冲区;
}
hr=声音引擎->sv->启动(0);
//安全删除数组(wavedata);
返回TRUE;
}
波形文件::波形文件(){
m_pwfx=NULL;
m_hmmio=NULL;
m_pResourceBuffer=NULL;
m_dwSize=0;
}
波形文件::~WaveFile(){
Close();
安全删除数组(m_pwfx);
}
HRESULT波形文件::打开(LPWSTR strFileName)
{
HRESULT-hr;
if(strFileName==NULL)
返回E_INVALIDARG;
安全删除数组(m_pwfx);
m_hmmio=mmioOpenW(strFileName,NULL,MMIO_ALLOCBUF | MMIO_READ);
if(NULL==m_hmmio){
返回XA2SE\u错误\u无法\u打开\u文件;
}
如果(失败(hr=ReadMMIO()){
//如果ReadMMIO不是wave文件,它将失败
mmioClose(m_hmmio,0);
返回XA2SE\u错误\u非\u波形\u文件;
}
如果(失败(hr=ResetFile())
返回
BOOL APIENTRY DllMain ( HANDLE hModule, DWORD dwReason, LPVOID lpReserved ) {
switch (dwReason) {
case DLL_PROCESS_ATTACH:
CoInitializeEx(NULL, COINIT_MULTITHREADED);
break;
case DLL_THREAD_ATTACH:
CoInitializeEx(NULL, COINIT_MULTITHREADED);
break;
case DLL_THREAD_DETACH:
CoUninitialize();
break;
case DLL_PROCESS_DETACH:
CoUninitialize();
break;
default:
// Wat...
break;
}
return TRUE;
}
SafeRelease(&m_musicEngine);
SafeRelease(&m_soundEffectEngine);
template <class T> void SafeRelease(T **ppT)
{
if (*ppT)
{
(*ppT)->Release();
*ppT = NULL;
}
}
void _stdcall AudioEngineCallbacks::OnCriticalError(HRESULT Error)
// This [...] used to tell when the audio system
// is experiencing critial errors.
// XAudio2 gives a critical error when the user unplugs
// the headphones and a new speaker configuration is generated.