/*****************************************************************************
* CTTSEngObj::GetVoiceFormat *
*----------------------------*
* Description:
* This method returns the output data format associated with the
* specified format Index. Formats are in order of quality with the best
* starting at 0.
*****************************************************************************/
STDMETHODIMP CTTSEngObj::GetOutputFormat( const GUID * pTargetFormatId, const WAVEFORMATEX * pTargetWaveFormatEx,
GUID * pDesiredFormatId, WAVEFORMATEX ** ppCoMemDesiredWaveFormatEx )
{
SPDBG_FUNC( "CTTSEngObj::GetVoiceFormat" );
HRESULT hr = S_OK;
hr = SpConvertStreamFormatEnum(SPSF_11kHz16BitMono, pDesiredFormatId, ppCoMemDesiredWaveFormatEx);
return hr;
} /* CTTSEngObj::GetVoiceFormat */
void Sound::test() {
ISpVoice * pVoice = NULL;
ISpObjectToken* pVoiceToken=nullptr;
IEnumSpObjectTokens* pEnum;
ULONG ulCount = 0;
if (FAILED(::CoInitialize(NULL)))
{
return;
}
HRESULT hr = S_OK;
// Find the best matching installed en-us recognizer.
CComPtr<ISpObjectToken> cpRecognizerToken;
if (SUCCEEDED(hr))
{
hr = SpFindBestToken(SPCAT_RECOGNIZERS, L"language=409", NULL, &cpRecognizerToken);
}
// Create the in-process recognizer and immediately set its state to inactive.
CComPtr<ISpRecognizer> cpRecognizer;
if (SUCCEEDED(hr))
{
hr = cpRecognizer.CoCreateInstance(CLSID_SpInprocRecognizer);
}
if (SUCCEEDED(hr))
{
hr = cpRecognizer->SetRecognizer(cpRecognizerToken);
}
if (SUCCEEDED(hr))
{
hr = cpRecognizer->SetRecoState(SPRST_INACTIVE);
}
// Create a new recognition context from the recognizer.
CComPtr<ISpRecoContext> cpContext;
if (SUCCEEDED(hr))
{
hr = cpRecognizer->CreateRecoContext(&cpContext);
}
// Subscribe to the speech recognition event and end stream event.
if (SUCCEEDED(hr))
{
ULONGLONG ullEventInterest = SPFEI(SPEI_RECOGNITION);
hr = cpContext->SetInterest(ullEventInterest, ullEventInterest);
}
// Establish a Win32 event to signal when speech events are available.
HANDLE hSpeechNotifyEvent = INVALID_HANDLE_VALUE;
if (SUCCEEDED(hr))
{
hr = cpContext->SetNotifyWin32Event();
}
if (SUCCEEDED(hr))
{
hSpeechNotifyEvent = cpContext->GetNotifyEventHandle();
if (INVALID_HANDLE_VALUE == hSpeechNotifyEvent)
{
// Notification handle unsupported.
hr = E_NOINTERFACE;
}
}
// Initialize an audio object to use the default audio input of the system and set the recognizer to use it.
CComPtr<ISpAudio> cpAudioIn;
if (SUCCEEDED(hr))
{
hr = cpAudioIn.CoCreateInstance(CLSID_SpMMAudioIn);
}
if (SUCCEEDED(hr))
{
hr = cpRecognizer->SetInput(cpAudioIn, TRUE);
}
// Populate a WAVEFORMATEX struct with our desired output audio format. information.
WAVEFORMATEX* pWfexCoMemRetainedAudioFormat = NULL;
GUID guidRetainedAudioFormat = GUID_NULL;
if (SUCCEEDED(hr))
{
hr = SpConvertStreamFormatEnum(SPSF_16kHz16BitMono, &guidRetainedAudioFormat, &pWfexCoMemRetainedAudioFormat);
}
// Instruct the recognizer to retain the audio from its recognition results.
if (SUCCEEDED(hr))
{
hr = cpContext->SetAudioOptions(SPAO_RETAIN_AUDIO, &guidRetainedAudioFormat, pWfexCoMemRetainedAudioFormat);
}
if (NULL != pWfexCoMemRetainedAudioFormat)
{
CoTaskMemFree(pWfexCoMemRetainedAudioFormat);
}
// Create a new grammar and load an SRGS grammar from file.
CComPtr<ISpRecoGrammar> cpGrammar;
if (SUCCEEDED(hr))
{
hr = cpContext->CreateGrammar(0, &cpGrammar);
}
if (SUCCEEDED(hr))
{
hr = cpGrammar->LoadCmdFromFile(L"grammar.grxml", SPLO_STATIC);
}
// Set all top-level rules in the new grammar to the active state.
if (SUCCEEDED(hr))
{
hr = cpGrammar->SetRuleState(NULL, NULL, SPRS_ACTIVE);
}
// Set the recognizer state to active to begin recognition.
if (SUCCEEDED(hr))
{
hr = cpRecognizer->SetRecoState(SPRST_ACTIVE_ALWAYS);
}
// Establish a separate Win32 event to signal the event loop exit.
HANDLE hExitEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
// Collect the events listened for to pump the speech event loop.
HANDLE rghEvents[] = { hSpeechNotifyEvent, hExitEvent };
// Speech recognition event loop.
BOOL fContinue = TRUE;
while (fContinue && SUCCEEDED(hr))
{
// Wait for either a speech event or an exit event, with a 15 second timeout.
DWORD dwMessage = WaitForMultipleObjects(sp_countof(rghEvents), rghEvents, FALSE, 15000);
switch (dwMessage)
{
// With the WaitForMultipleObjects call above, WAIT_OBJECT_0 is a speech event from hSpeechNotifyEvent.
case WAIT_OBJECT_0:
{
// Sequentially grab the available speech events from the speech event queue.
CSpEvent spevent;
while (S_OK == spevent.GetFrom(cpContext))
{
switch (spevent.eEventId)
{
case SPEI_RECOGNITION:
{
// Retrieve the recognition result and output the text of that result.
ISpRecoResult* pResult = spevent.RecoResult();
LPWSTR pszCoMemResultText = NULL;
hr = pResult->GetText(SP_GETWHOLEPHRASE, SP_GETWHOLEPHRASE, TRUE, &pszCoMemResultText, NULL);
if (SUCCEEDED(hr))
{
wprintf(L"Recognition event received, text=\"%s\"\r\n", pszCoMemResultText);
}
// Also retrieve the retained audio we requested.
CComPtr<ISpStreamFormat> cpRetainedAudio;
if (SUCCEEDED(hr))
{
hr = pResult->GetAudio(0, 0, &cpRetainedAudio);
}
// To demonstrate, we'll speak the retained audio back using ISpVoice.
CComPtr<ISpVoice> cpVoice;
if (SUCCEEDED(hr))
{
hr = cpVoice.CoCreateInstance(CLSID_SpVoice);
}
if (SUCCEEDED(hr))
{
hr = cpVoice->SpeakStream(cpRetainedAudio, SPF_DEFAULT, 0);
}
if (NULL != pszCoMemResultText)
{
CoTaskMemFree(pszCoMemResultText);
}
break;
}
}
}
break;
}
case WAIT_OBJECT_0 + 1:
case WAIT_TIMEOUT:
{
// Exit event or timeout; discontinue the speech loop.
fContinue = FALSE;
//break;
}
}
}
CoUninitialize();
CComPtr <ISpVoice> cpVoice;
CComPtr <ISpStream> cpStream;
CSpStreamFormat cAudioFmt;
//Create a SAPI Voice
hr = cpVoice.CoCreateInstance(CLSID_SpVoice);
//Set the audio format
if (SUCCEEDED(hr))
{
hr = cAudioFmt.AssignFormat(SPSF_22kHz16BitMono);
}
//Call SPBindToFile, a SAPI helper method, to bind the audio stream to the file
if (SUCCEEDED(hr))
{
hr = SPBindToFile(L"c:\\ttstemp.wav", SPFM_CREATE_ALWAYS,
&cpStream, &cAudioFmt.FormatId(), cAudioFmt.WaveFormatExPtr());
}
//set the output to cpStream so that the output audio data will be stored in cpStream
if (SUCCEEDED(hr))
{
hr = cpVoice->SetOutput(cpStream, TRUE);
}
//Speak the text "hello world" synchronously
if (SUCCEEDED(hr))
{
hr = cpVoice->Speak(L"Hello World", SPF_DEFAULT, NULL);
}
//close the stream
if (SUCCEEDED(hr))
{
hr = cpStream->Close();
}
//Release the stream and voice object
cpStream.Release();
cpVoice.Release();
CComPtr<ISpGrammarBuilder> cpGrammarBuilder;
SPSTATEHANDLE hStateTravel;
// Create (if rule does not already exist)
// top-level Rule, defaulting to Active.
hr = cpGrammarBuilder->GetRule(L"Travel", 0, SPRAF_TopLevel | SPRAF_Active, TRUE, &hStateTravel);
// Approach 1: List all possible phrases.
// This is the most intuitive approach, and it does not sacrifice efficiency
// because the grammar builder will merge shared sub-phrases when possible.
// There is only one root state, hStateTravel, and the terminal NULL state,
// and there are six unique transitions between root state and NULL state.
/* XML Approximation:
<rule id="Travel">
<item> fly to Seattle </item>
<item> fly to New York </item>
<item> fly to Washington DC </item>
<item> drive to Seattle </item>
<item> drive to New York </item>
<item> drive to Washington DC </item>
</rule>
*/
// Create set of peer phrases, each containing complete phrase.
// Note: the word delimiter is set as " ", so that the text we
// attach to the transition can be multiple words (for example,
// "fly to Seattle" is implicitly "fly" + "to" + "Seattle"):
if (SUCCEEDED(hr))
{
hr = cpGrammarBuilder->AddWordTransition(hStateTravel, NULL, L"fly to Seattle", L" ", SPWT_LEXICAL, 1, NULL);
}
if (SUCCEEDED(hr))
{
hr = cpGrammarBuilder->AddWordTransition(hStateTravel, NULL, L"fly to New York", L" ", SPWT_LEXICAL, 1, NULL);
}
if (SUCCEEDED(hr))
{
hr = cpGrammarBuilder->AddWordTransition(hStateTravel, NULL, L"fly to Washington DC", L" ", SPWT_LEXICAL, 1, NULL);
}
if (SUCCEEDED(hr))
{
hr = cpGrammarBuilder->AddWordTransition(hStateTravel, NULL, L"drive to Seattle", L" ", SPWT_LEXICAL, 1, NULL);
}
if (SUCCEEDED(hr))
{
hr = cpGrammarBuilder->AddWordTransition(hStateTravel, NULL, L"drive to New York", L" ", SPWT_LEXICAL, 1, NULL);
}
if (SUCCEEDED(hr))
{
hr = cpGrammarBuilder->AddWordTransition(hStateTravel, NULL, L"drive to Washington DC", L" ", SPWT_LEXICAL, 1, NULL);
}
// Find the best matching installed en-US recognizer.
//CComPtr<ISpObjectToken> cpRecognizerToken;
if (SUCCEEDED(hr))
{
hr = SpFindBestToken(SPCAT_RECOGNIZERS, L"language=409", NULL, &cpRecognizerToken);
}
// Create the in-process recognizer and immediately set its state to inactive.
//CComPtr<ISpRecognizer> cpRecognizer;
if (SUCCEEDED(hr))
{
hr = cpRecognizer.CoCreateInstance(CLSID_SpInprocRecognizer);
}
if (SUCCEEDED(hr))
{
hr = cpRecognizer->SetRecognizer(cpRecognizerToken);
}
if (SUCCEEDED(hr))
{
hr = cpRecognizer->SetRecoState(SPRST_INACTIVE);
}
// Create a new recognition context from the recognizer.
//CComPtr<ISpRecoContext> cpContext;
if (SUCCEEDED(hr))
{
hr = cpRecognizer->CreateRecoContext(&cpContext);
}
// Subscribe to the speech recognition event and end stream event.
if (SUCCEEDED(hr))
{
ULONGLONG ullEventInterest = SPFEI(SPEI_RECOGNITION) | SPFEI(SPEI_END_SR_STREAM);
hr = cpContext->SetInterest(ullEventInterest, ullEventInterest);
}
// Establish a Win32 event to signal when speech events are available.
//HANDLE hSpeechNotifyEvent = INVALID_HANDLE_VALUE;
if (SUCCEEDED(hr))
{
hr = cpContext->SetNotifyWin32Event();
}
if (SUCCEEDED(hr))
{
hr = cpContext->SetNotifyWin32Event();
}
if (SUCCEEDED(hr))
{
hSpeechNotifyEvent = cpContext->GetNotifyEventHandle();
if (INVALID_HANDLE_VALUE == hSpeechNotifyEvent)
{
// Notification handle unsupported
//hr = SPERR_UNITIALIZED;
}
}
// Set up an audio input stream using a .wav file and set the recognizer's input.
CComPtr<ISpStream> cpInputStream;
if (SUCCEEDED(hr))
{
hr = SPBindToFile(L"Test.wav", SPFM_OPEN_READONLY, &cpInputStream);
}
if (SUCCEEDED(hr))
{
hr = cpRecognizer->SetInput(cpInputStream, TRUE);
}
// Create a new grammar and load an SRGS grammar from file.
//CComPtr<ISpRecoGrammar> cpGrammar;
if (SUCCEEDED(hr))
{
hr = cpContext->CreateGrammar(0, &cpGrammar);
}
if (SUCCEEDED(hr))
{
hr = cpGrammar->LoadCmdFromFile(L"grammar.grxml", SPLO_STATIC);
}
// Set all top-level rules in the new grammar to the active state.
if (SUCCEEDED(hr))
{
hr = cpGrammar->SetRuleState(NULL, NULL, SPRS_ACTIVE);
}
// Finally, set the recognizer state to active to begin recognition.
if (SUCCEEDED(hr))
{
hr = cpRecognizer->SetRecoState(SPRST_ACTIVE_ALWAYS);
}
hr = CoCreateInstance(CLSID_SpVoice, NULL, CLSCTX_ALL, IID_ISpVoice, (void **)&pVoice);
if (SUCCEEDED(hr)) {
hr = SpEnumTokens(SPCAT_VOICES, L"Gender=Female", NULL, &pEnum);
if (SUCCEEDED(hr))
{
// Get the number of voices.
hr = pEnum->GetCount(&ulCount);
}
// Obtain a list of available voice tokens, set
// the voice to the token, and call Speak.
while (SUCCEEDED(hr) && ulCount--) {
if (pVoiceToken != nullptr) {
pVoiceToken->Release();
}
if (SUCCEEDED(hr))
{
hr = pEnum->Next(1, &pVoiceToken, NULL);
}
if (SUCCEEDED(hr))
{
hr = pVoice->SetVoice(pVoiceToken);
}
if (SUCCEEDED(hr))
{
wchar_t* start = L"<?xml version=\"1.0\" encoding=\"ISO - 8859 - 1\"?><speak version = \"1.0\" xmlns = \"http://www.w3.org/2001/10/synthesis\" xml:lang = \"en-US\">";
wchar_t* end = L"</speak>";
const wchar_t *xml = L"<voice required = \"Gender=Male\"> hi! <prosody pitch=\"fast\"> This is low pitch. </prosody><prosody volume=\"x - loud\"> This is extra loud volume. </prosody>";
wstring s = start;
s += xml;
s += end;
hr = pVoice->Speak(xml, SPF_IS_XML| SPF_ASYNC, 0);
//hr = pVoice->Speak(L"How are you?", SPF_DEFAULT, NULL);
}
}
/*
if (SUCCEEDED(hr)) {
hr = pEnum->Next(1, &pVoiceToken, NULL);
if (SUCCEEDED(hr)) {
hr = pVoice->SetVoice(pVoiceToken);
// Set the output to the default audio device.
if (SUCCEEDED(hr)) {
hr = pVoice->SetOutput(NULL, TRUE);
if (SUCCEEDED(hr)) {
hr = pVoice->Speak(L"Hello, world!", SPF_DEFAULT, 0);
}
}
}
}
*/
pVoice->Release();
}
::CoUninitialize();
}
/**********************************************************
* COperator::SetAudioOutForCall *
*-------------------------------*
* Description:
* Uses the legacy call media control in TAPI to
* get the device IDs for audio out.
* Uses these device IDs to set up the audio
* for text-to-speech
* Return:
* S_OK
* E_INVALIDARG if the pLegacyCallMediaControl is NULL
* E_OUTOFMEMORY
* SPERR_DEVICE_NOT_SUPPORTED if no supported
* formats could be found
* Failed return value of QI(),
* ITLegacyCallMediaControl::GetID(),
* CoCreateInstance(),
* ISpMMSysAudio::SetDeviceID(),
* ISpMMSysAudio::SetFormat(),
* ISpVoice::SetOutput()
************************************************************/
HRESULT COperator::SetAudioOutForCall( ITLegacyCallMediaControl *pLegacyCallMediaControl )
{
if (NULL == m_pCall)
{
return E_UNEXPECTED;
}
if ( NULL == pLegacyCallMediaControl )
{
return E_INVALIDARG;
}
// Get the device ID from ITLegacyCallMediaControl::GetID()
UINT *puDeviceID;
BSTR bstrWavOut = ::SysAllocString( L"wave/out" );
if ( !bstrWavOut )
{
return E_OUTOFMEMORY;
}
DWORD dwSize = sizeof( puDeviceID );
HRESULT hr = pLegacyCallMediaControl->GetID( bstrWavOut, &dwSize, (BYTE**) &puDeviceID );
::SysFreeString( bstrWavOut );
// Find out what, if any, formats are supported
GUID guidWave = SPDFID_WaveFormatEx;
WAVEFORMATEX *pWaveFormatEx = NULL;
if ( SUCCEEDED(hr) )
{
// Loop through all of the SAPI audio formats and query the wave/out device
// about whether it supports each one.
// We will take the first one that we find
SPSTREAMFORMAT enumFmtId;
MMRESULT mmr = MMSYSERR_ALLOCATED;
for ( DWORD dw = 0; (MMSYSERR_NOERROR != mmr) && (dw < SPSF_NUM_FORMATS); dw++ )
{
if ( pWaveFormatEx && ( MMSYSERR_NOERROR != mmr ) )
{
// No dice: The audio device does not support this format
// Free up the WAVEFORMATEX pointer
::CoTaskMemFree( pWaveFormatEx );
pWaveFormatEx = NULL;
}
// Get the next format from SAPI and convert it into a WAVEFORMATEX
enumFmtId = (SPSTREAMFORMAT) (SPSF_8kHz8BitMono + dw);
HRESULT hrConvert = SpConvertStreamFormatEnum(
enumFmtId, &guidWave, &pWaveFormatEx );
if ( SUCCEEDED( hrConvert ) )
{
// This call to waveOutOpen() does not actually open the device;
// it just queries the device whether it supports the given format
mmr = ::waveOutOpen( NULL, *puDeviceID, pWaveFormatEx, 0, 0, WAVE_FORMAT_QUERY );
}
}
// If we made it all the way through the loop without breaking, that
// means we found no supported formats
if ( enumFmtId == SPSF_NUM_FORMATS )
{
return SPERR_DEVICE_NOT_SUPPORTED;
}
}
// Cocreate a SAPI audio out object
if ( SUCCEEDED( hr ) )
{
hr = m_cpMMSysAudioOut.CoCreateInstance( CLSID_SpMMAudioOut );
}
// Give the audio out object the device ID
if ( SUCCEEDED(hr) )
{
hr = m_cpMMSysAudioOut->SetDeviceId( *puDeviceID );
}
// Use the format that we found works
if ( SUCCEEDED( hr ) )
{
_ASSERTE( pWaveFormatEx );
hr = m_cpMMSysAudioOut->SetFormat( guidWave, pWaveFormatEx );
}
// We are now done with the wave format pointer
if ( pWaveFormatEx )
{
::CoTaskMemFree( pWaveFormatEx );
}
// Set the appropriate output to the outgoing voice
if ( SUCCEEDED( hr ) )
{
_ASSERTE( m_cpOutgoingVoice );
hr = m_cpOutgoingVoice->SetOutput( m_cpMMSysAudioOut, FALSE );
}
return hr;
} /* COperator::SetAudioOutForCall */