基于SPEECH5.0的语音组件，需要相应开发包联合编译
// speechX.h : CspeechX 的声明
#pragma once
#include "resource.h" // 主符号
// IspeechX
[
object,
uuid("25246261-2CD8-4D9C-AC51-D5184D1572C4"),
dual, helpstring("IspeechX 接口"),
pointer_default(unique)
]
__interface IspeechX : IDispatch
{
[id(1), helpstring("方法Read")] HRESULT Read(BSTR text);
[propget, id(2), helpstring("属性 HearedWord")] HRESULT HearedWord([out, retval] BSTR* pVal);
[id(3), helpstring("方法StartH")] HRESULT StartH(void);
[propget, id(4), helpstring("属性 IsHearing")] HRESULT IsHearing([out, retval] BOOL* pVal);
};
// CspeechX
[
coclass,
threading("apartment"),
vi_progid("speech.speechX"),
progid("speech.speechX.1"),
version(1.0),
uuid("D72932F4-000C-4EF7-BAD4-FC5F616CD9E3"),
helpstring("speechX Class")
]
class ATL_NO_VTABLE CspeechX :
public IspeechX
{
private:
//朗读
CComPtr<ISpVoice> m_cpVoice;
//上下文
CComPtr<ISpRecoContext> cpRecoCtxt;
//语法分析
CComPtr<ISpRecoGrammar> cpGrammar;
//语音结果
CComPtr<ISpRecoResult> cpResult;
//听到的单词
_bstr_t m_hear;
//朗读的单词
_bstr_t m_text;
//退出接收标志
BOOL m_quitflag;
//结果
HRESULT hr;
public:
CspeechX()
{
m_hear=L"对话开始";
m_quitflag=false;
}
DECLARE_PROTECT_FINAL_CONSTRUCT()
HRESULT FinalConstruct()
{
return S_OK;
}
void FinalRelease()
{
m_cpVoice.Release();
cpRecoCtxt.Release();
cpGrammar.Release();
cpResult.Release();
}
protected:
inline HRESULT BlockForResult (ISpRecoContext * pRecoCtxt, ISpRecoResult ** ppResult);
public:
STDMETHOD(Read)(BSTR text);
HRESULT read(WCHAR* path);
STDMETHOD(get_HearedWord)(BSTR* pVal);
STDMETHOD(StartH)(void);
STDMETHOD(get_IsHearing)(BOOL* pVal);
};
－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
// speechX.cpp : CspeechX 的实现
#include "stdafx.h"
#include "speechX.h"
#include "sphelper.h"
// CspeechX
STDMETHODIMP CspeechX::Read(BSTR text)
{
m_text=text;
read( (WCHAR *)m_text );
//释放BSTR,调试时误用
SysFreeString(text);
return S_OK;
}
STDMETHODIMP CspeechX::StartH(void)
{
m_quitflag=true;
hr = cpRecoCtxt.CoCreateInstance(CLSID_SpSharedRecoContext);
//设置上下文
if (cpRecoCtxt &&
SUCCEEDED(hr = cpRecoCtxt->SetNotifyWin32Event()) &&
SUCCEEDED(hr = cpRecoCtxt->SetInterest(SPFEI(SPEI_RECOGNITION), SPFEI(SPEI_RECOGNITION))) &&
SUCCEEDED(hr = cpRecoCtxt->SetAudioOptions(SPAO_RETAIN_AUDIO, NULL, NULL)) &&
SUCCEEDED(hr = cpRecoCtxt->CreateGrammar(0, &cpGrammar)) &&
SUCCEEDED(hr = cpGrammar->LoadDictation(NULL, SPLO_STATIC)) &&
SUCCEEDED(hr = cpGrammar->SetDictationState(SPRS_ACTIVE)))
{
if (SUCCEEDED(hr = BlockForResult(cpRecoCtxt, &cpResult)))
{
cpGrammar->SetDictationState( SPRS_INACTIVE );
WCHAR* dstrText;
if (SUCCEEDED(cpResult->GetText(SP_GETWHOLEPHRASE, SP_GETWHOLEPHRASE,
TRUE, &dstrText, NULL)))
{ m_hear= dstrText;
cpResult.Release();
}
cpGrammar->SetDictationState(SPRS_ACTIVE);
}
cpRecoCtxt.Release();
cpGrammar.Release();
cpResult.Release();
}
m_quitflag=false;
return S_OK;
}
HRESULT CspeechX::read(WCHAR* path)
{
hr = m_cpVoice.CoCreateInstance( CLSID_SpVoice );
m_cpVoice->Speak(path, 0, NULL);
m_cpVoice.Release();
return S_OK;
}
//收到信息接口
STDMETHODIMP CspeechX::get_HearedWord(BSTR* pVal)
{
* pVal=m_hear;
return S_OK;
}
//将上下文填充进结果
inline HRESULT CspeechX::BlockForResult(ISpRecoContext * pRecoCtxt, ISpRecoResult ** ppResult)
{
HRESULT hr = S_OK;
CSpEvent event;
while (SUCCEEDED(hr) &&
SUCCEEDED(hr = event.GetFrom(pRecoCtxt)) &&
hr == S_FALSE)
{
hr = pRecoCtxt->WaitForNotifyEvent(INFINITE);
}
*ppResult = event.RecoResult();
if (*ppResult)
{
(*ppResult)->AddRef();
}
return hr;
}
STDMETHODIMP CspeechX::get_IsHearing(BOOL* pVal)
{
* pVal=m_quitflag;
return S_OK;
}
