STDMETHODIMP CTTSEngObj::Speak()

in PollyTTSEngine/ttsengobj.cpp [140:246]
83 lines of code
13 McCabe index (conditional complexity)

STDMETHODIMP CTTSEngObj::Speak( DWORD dwSpeakFlags,
                                REFGUID rguidFormatId,
                                const WAVEFORMATEX * pWaveFormatEx,
                                const SPVTEXTFRAG* pTextFragList,
                                ISpTTSEngineSite* pOutputSite )
{
	Aws::SDKOptions options;
	m_logger->debug("Starting Speak\n");

	if (wcslen(m_voiceOveride) == 0)
	{
		LPWSTR data;
		CComPtr<ISpDataKey> attributesKey;
		m_logger->debug("Reading attributes key to get the voice\n");
		m_cpToken->OpenKey(L"Attributes", &attributesKey);
		attributesKey->GetStringValue(L"VoiceId", &m_pPollyVoice);
		attributesKey->GetStringValue(L"IsNeural", &data);
		m_isNeural = wcscmp(L"1", data) == 0;
		attributesKey->GetStringValue(L"IsNews", &data);
		m_isNews = wcscmp(L"1", data) == 0;
		attributesKey->GetStringValue(L"IsConversational", &data);
		m_isConversational = wcscmp(L"1", data) == 0;
	}
	m_logger->debug("Initializing AWS\n");
	InitAPI(options);
	HRESULT hr = S_OK;

	//--- Check args
    if( SP_IS_BAD_INTERFACE_PTR( pOutputSite ) ||
        SP_IS_BAD_READ_PTR( pTextFragList )  )
    {
        hr = E_INVALIDARG;
    }
    else
    {
        //--- Init some vars
        m_pCurrFrag   = pTextFragList;
        m_pNextChar   = m_pCurrFrag->pTextStart;
        m_pEndChar    = m_pNextChar + m_pCurrFrag->ulTextLen;
        m_ullAudioOff = 0;

        CItemList ItemList;

		m_logger->debug("Starting work processing\n");
		while( SUCCEEDED( hr ) && !(pOutputSite->GetActions() & SPVES_ABORT) )
        {
            //--- Do skip?
            if( pOutputSite->GetActions() & SPVES_SKIP )
            {
				m_logger->debug("ACTION: SKIP\n");
				long lSkipCnt;
                SPVSKIPTYPE eType;
                hr = pOutputSite->GetSkipInfo( &eType, &lSkipCnt );
                if( SUCCEEDED( hr ) )
                {
                    //--- Notify SAPI how many items we skipped. We're returning zero
                    //    because this feature isn't implemented.
                    hr = pOutputSite->CompleteSkip( 0 );
                }
            }
			
            //--- Build the text item list
            if( SUCCEEDED( hr ) && (hr = GetNextSentence( ItemList )) != S_OK )
            {
				m_logger->debug("ERROR Getting the next sentence from ItemList\n");
				break;
            }
			
            //--- We aren't going to do any part of speech determination,
            //    prosody, or pronunciation determination. If you were, one thing
            //    you will need is access to the SAPI lexicon. You can get that with
            //    the following call.
            //    CComPtr<ISpLexicon> cpLexicon;
            //    hr = pUser->GetLexicon( &cpLexicon );

            if( !(pOutputSite->GetActions() & SPVES_ABORT) )
            {
				//--- Fire begin sentence event
                CSentItem& FirstItem = ItemList.GetHead();
                CSentItem& LastItem  = ItemList.GetTail();
                CSpEvent Event;
                Event.eEventId             = SPEI_SENTENCE_BOUNDARY;
                Event.elParamType          = SPET_LPARAM_IS_UNDEFINED;
                Event.ullAudioStreamOffset = m_ullAudioOff;
                Event.lParam               = (LPARAM)FirstItem.ulItemSrcOffset;
                Event.wParam               = (WPARAM)LastItem.ulItemSrcOffset +
                                                     LastItem.ulItemSrcLen -
                                                     FirstItem.ulItemSrcOffset;
				hr = pOutputSite->AddEvents( &Event, 1 );

                //--- Output
                if( SUCCEEDED( hr ) )
                {
                    hr = OutputSentence( ItemList, pOutputSite );
					return hr;
                }
            }
        }

        //--- S_FALSE just says that we hit the end, return okay
        if( hr == S_FALSE )
        {
            hr = S_OK;
        }
    }
    return hr;
} /* CTTSEngObj::Speak */