--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/devasr/src/devasr.cpp Wed Sep 01 12:29:17 2010 +0100
@@ -0,0 +1,474 @@
+/*
+* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: This is the implementation of DevASR.
+*
+*/
+
+
+// INCLUDE FILES
+#include <nssdevasr.h>
+#include "devasrsrsalgorithmmanager.h"
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::CDevASR
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CDevASR::CDevASR() : iSRSAlgorithmManager( NULL ),
+ iReserved1( NULL ),
+ iReserved2( NULL )
+ {
+ // Nothing
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CDevASR::ConstructL( MDevASRObserver& aObserver )
+ {
+ iSRSAlgorithmManager = CSRSAlgorithmManager::NewL( aObserver );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CDevASR* CDevASR::NewL( MDevASRObserver& aObserver )
+ {
+ CDevASR* self = NewLC( aObserver );
+ CleanupStack::Pop();
+ return self;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CDevASR* CDevASR::NewLC( MDevASRObserver& aObserver )
+ {
+ CDevASR* self = new ( ELeave ) CDevASR;
+ CleanupStack::PushL( self );
+ self->ConstructL( aObserver );
+ return self;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::~CDevASR
+// The destructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CDevASR::~CDevASR()
+ {
+ delete iSRSAlgorithmManager;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::ActivateGrammarL
+// Passes the function call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::ActivateGrammarL( TSIGrammarID aGrammarID )
+ {
+ iSRSAlgorithmManager->ActivateGrammarL( aGrammarID );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::AdaptL
+// Passes the function call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::AdaptL( const CSIResultSet& aResultSet, TInt aResultIndex )
+ {
+ // Adaptation
+ iSRSAlgorithmManager->AdaptL( aResultSet, aResultIndex );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::Cancel
+// Cancels the current and any on going requests/tasks. Forwards call to
+// CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::Cancel()
+ {
+ iSRSAlgorithmManager->Cancel();
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::Cancel
+// Compiles SI grammar. Forwards call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::CompileGrammarL( CSICompiledGrammar& aGrammar/*,
+ CSIModelBank& aModelBank*/ )
+ {
+ iSRSAlgorithmManager->CompileGrammarL( aGrammar/*, aModelBank*/ );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::ComputeNewGrammarSizeL
+// Passes the function call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::ComputeNewGrammarSizeL( const CSIGrammar& aGrammar,
+ const TUint32 aTargetNRuleVariants,
+ const TUint32 aMaxNRuleVariants,
+ const RArray<TUint>& aNewRuleScores,
+ RArray<TUint>& aNewRuleVariants,
+ TUint32& aNPrune )
+ {
+ iSRSAlgorithmManager->ComputeNewGrammarSizeL( aGrammar,
+ aTargetNRuleVariants,
+ aMaxNRuleVariants,
+ aNewRuleScores,
+ aNewRuleVariants,
+ aNPrune );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::CustomInterface
+// Send a command to the implementation that the DevASR API doesn't currently
+// supports. Now returns NULL every time, no custom operations.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TAny* CDevASR::CustomInterface( TUid /*aCustomInterfaceId*/ )
+ {
+ return NULL;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::DeactivateGrammarL
+// Passes the function call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::DeactivateGrammarL( TSIGrammarID aGrammarID )
+ {
+ iSRSAlgorithmManager->DeactivateGrammarL( aGrammarID );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::EndRecord
+// Requests to end recording and a result will be resolved. Passes the function
+// call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::EndRecord()
+ {
+ iSRSAlgorithmManager->StopRecognition();
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::EndRecSession
+// Signal the end of a recognition session. Passes the function call to
+// CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::EndRecSession()
+ {
+ iSRSAlgorithmManager->EndRecSession();
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::GetEnginePropertiesL
+// Retreive the properties of the underlying speech recognition engine.
+// An array of values corresponding to the querried identifiers will be populated.
+// The function may leave with KErrArgument. Passes the function call to
+// CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::GetEnginePropertiesL( const RArray<TInt>& aPropertyId,
+ RArray<TInt>& aPropertyValue)
+ {
+ iSRSAlgorithmManager->GetEnginePropertiesL( aPropertyId, aPropertyValue );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::GetUtteranceData
+// Get the recorded audio data accumulated during training. Passes the function
+// call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::GetUtteranceData( TDes8* aBuffer,
+ TTimeIntervalMicroSeconds32& aDuration )
+ {
+ iSRSAlgorithmManager->GetUtteranceData( aBuffer, aDuration );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::InitFrontEnd
+// Forwards call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::InitFrontEnd( TRecognizerMode aMode )
+ {
+ iSRSAlgorithmManager->InitFrontEnd( aMode );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::InitRecognizerBE
+// Initializes the recognition back-end. The module responsible for recognition
+// function is started as a result. Forwards call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::InitRecognizerBE( CSIResultSet& aResult )
+ {
+ iSRSAlgorithmManager->InitRecognizerBE( aResult );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::LoadEngineParametersL
+// Load the specified recognizer parameter(s).
+// Forwards call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::LoadEngineParametersL( const RArray<TInt>& aParameterId,
+ const RArray<TInt>& aParameterValue )
+ {
+ iSRSAlgorithmManager->LoadEnginePropertiesL( aParameterId, aParameterValue );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::LoadGrammar
+// Load the specified SI grammar into the recognizer.
+// Forwards call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::LoadGrammar( const CSIGrammar& aGrammar )
+ {
+ TRAPD( error, iSRSAlgorithmManager->LoadGrammarL( aGrammar ) );
+ // No way to process or send the error upwards.
+ error = error;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::LoadGrammar
+// Load the specified compiled SI grammar into the recognizer.
+// Forwards call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::LoadGrammar( const CSICompiledGrammar& aGrammar )
+ {
+ TRAPD( error, iSRSAlgorithmManager->LoadGrammarL( aGrammar ) );
+ // No way to process or send the error upwards.
+ error = error;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::UnloadGrammar
+// Unloads the specified SI grammar from the recognizer.
+// Forwards call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::UnloadGrammar( const CSIGrammar& aGrammar )
+ {
+ TRAPD( error, iSRSAlgorithmManager->UnloadGrammarL( aGrammar ) );
+ // No way to process or send the error upwards.
+ error = error;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::LoadGrammar
+// Unloads the specified compiled SI grammar from the recognizer.
+// Forwards call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::UnloadGrammar( const CSICompiledGrammar& aGrammar )
+ {
+ TRAPD( error, iSRSAlgorithmManager->UnloadGrammarL( aGrammar ) );
+ // No way to process or send the error upwards.
+ error = error;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::LoadLexicon
+// Load the specified SI lexicion into the recognizer.
+// Forwards call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::LoadLexicon( const CSILexicon& aLexicon )
+ {
+ TRAPD( error, iSRSAlgorithmManager->LoadLexiconL( aLexicon ) );
+ // No way to process or send the error upwards.
+ error = error;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::LoadModels
+// Load the specified SI models into the recognizer.
+// Forwards call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::LoadModels( const CSIModelBank& aModels )
+ {
+ TRAPD( error, iSRSAlgorithmManager->LoadModelsL( aModels ) );
+ // No way to process or send the error upwards.
+ error = error;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::PruneGrammar
+// Passes the function call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TBool CDevASR::PruneGrammar( const CSIGrammar& aGrammar,
+ const TUint32 aMinNumber,
+ RArray<TSIRuleVariantInfo>& aPrunedRuleVariants )
+ {
+ return iSRSAlgorithmManager->PruneGrammar( aGrammar,
+ aMinNumber,
+ aPrunedRuleVariants );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::Record
+// Request to begin recording. Passes the function call to CVMAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::Record( TTimeIntervalMicroSeconds32 aRecordDuration )
+ {
+ iSRSAlgorithmManager->StartRecognition( aRecordDuration );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::PreStartSamplingL
+// Begins sampling before Record() call
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::PreStartSamplingL()
+ {
+ iSRSAlgorithmManager->PreStartSamplingL();
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::SendSpeechData
+// Passes the function call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::SendSpeechData( TPtrC8& aBuffer, TBool aEnd )
+ {
+ iSRSAlgorithmManager->SendSpeechData( aBuffer, aEnd );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::SetPrioritySettings
+// Set the priority of the sound device
+// Passes the function call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::SetPrioritySettings( const TMMFPrioritySettings& aPrioritySettings )
+ {
+ iSRSAlgorithmManager->SetPrioritySettings( aPrioritySettings );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::StartRecSession
+// Signal the start of a recognition session.
+// Passes the function call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TInt CDevASR::StartRecSession( TRecognizerMode aMode )
+ {
+ return iSRSAlgorithmManager->StartRecSession( aMode );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::StartTrainFromText
+// Passes the function call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::StartTrainingFromTextL( CSITtpWordList& aWordList,
+ const RArray<TLanguage>& aDefaultLanguage,
+ const RArray<TUint32>& aMaxNPronunsForWord )
+
+ {
+ iSRSAlgorithmManager->StartTrainingFromTextL( aWordList, aDefaultLanguage,
+ aMaxNPronunsForWord );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::UnloadRule
+// Unload the specified rule from the grammar.
+// Passes the function call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CDevASR::UnloadRule( TSIGrammarID aGrammarID,
+ TSIRuleID aRuleID )
+ {
+ iSRSAlgorithmManager->UnloadRule( aGrammarID, aRuleID );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::IsGrammarLoaded
+// Passes the function call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TBool CDevASR::IsGrammarLoaded( TSIGrammarID aGrammarID )
+ {
+ return iSRSAlgorithmManager->IsGrammarLoaded( aGrammarID );
+ }
+
+
+// -----------------------------------------------------------------------------
+// CDevASR::IsGrammarActive
+// Passes the function call to CSRSAlgorithmManager.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TBool CDevASR::IsGrammarActive( TSIGrammarID aGrammarID )
+ {
+ return iSRSAlgorithmManager->IsGrammarActive( aGrammarID );
+ }
+
+// End of File