javauis/amms_qt/mmacontrol/src.emc/cammsemcaudiovirtualizerenvironmentalpresetutility.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/amms_qt/mmacontrol/src.emc/cammsemcaudiovirtualizerenvironmentalpresetutility.cpp Tue Aug 31 15:09:22 2010 +0300
@@ -0,0 +1,161 @@
+/*
+* Copyright (c) 2005-2007 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: Group for effect controls
+*
+*/
+
+
+// INCLUDE FILES
+#include <logger.h>
+#include "cammsemcaudiovirtualizerenvironmentalpresetutility.h"
+
+const TInt KAMMSEMCPresetGranularity = 5;
+
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+// Constructors
+
+CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility()
+{
+ LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility:: constructor");
+}
+
+// Destructor
+CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::~CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility()
+{
+ delete iPresetNames;
+ if (iEmptyStereoWideningUtility)
+ {
+ delete iEmptyStereoWideningUtility;
+ iEmptyStereoWideningUtility = NULL;
+ }
+ LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::~ ");
+}
+
+// -----------------------------------------------------------------------------
+// CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetAtIndexL
+// Gets the current preset.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetAtIndexL(TDes& aPreset ,TInt iIndex)
+{
+ LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetAtIndexL +");
+ // Return KNullDesC if no preset is set.
+ if (iIndex >= 0)
+ {
+
+ TArray< TEfStereoWideningUtilityPreset > presetNames =
+ iEmptyStereoWideningUtility->Presets();
+ aPreset = presetNames[ iIndex ].iPresetName ;
+
+ }
+ else
+ {
+ aPreset = KNullDesC;
+ }
+
+ LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetAtIndexL -");
+}
+
+// -----------------------------------------------------------------------------
+// CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::PrepareEmptyStereoWideningUtilitiesL
+// Creates utilities that can be used to obtain preset names and preset data.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::PrepareEmptyStereoWideningUtilitiesL()
+{
+ LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::PrepareEmptyStereoWideningUtilitiesL +");
+ //Calling base class function to create and initialize the CMMFDevSound
+ CreateAndInitializeDevSoundL();
+ if (!iEmptyStereoWideningUtility)
+ {
+ iEmptyStereoWideningUtility =
+ CStereoWideningUtility::NewL(*iMMFDevSound);
+ }
+
+ LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::PrepareEmptyStereoWideningUtilitiesL -");
+}
+
+// -----------------------------------------------------------------------------
+// CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::DeleteEmptyStereoWideningUtilities
+// Deletes utilities that are used to obtain preset names and preset data.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::DeleteEmptyStereoWideningUtilities()
+{
+ LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::DeleteEmptyStereoWideningUtilities +");
+
+ if (iEmptyStereoWideningUtility)
+ {
+ delete iEmptyStereoWideningUtility;
+ iEmptyStereoWideningUtility = NULL;
+ }
+ //Calling base class function to delete CMMFDevSound object to free memory
+ DeleteDevSound();
+ LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::DeleteEmptyStereoWideningUtilities -");
+}
+
+
+// -----------------------------------------------------------------------------
+// CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetNamesL
+// Gets list of preset names available.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetNamesL(
+ CDesCArray& aPresetNames)
+{
+ LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetNamesL +");
+ TArray< TEfStereoWideningUtilityPreset > presetNames =
+ iEmptyStereoWideningUtility->Presets();
+ TInt presetCount = presetNames.Count();
+ for (TInt i = 0; i < presetCount; i++)
+ {
+ aPresetNames.AppendL(presetNames[ i ].iPresetName);
+ }
+ LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetNamesL -");
+}
+
+
+// -----------------------------------------------------------------------------
+// CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetEnvironmentalStereoWideningAtPresetIndexL
+// Gets list of preset names available.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+CStereoWidening * CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetStereoWideningAtPresetIndexL(TInt iIndex)
+{
+ LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetStereoWideningAtPresetIndexL, index=%d",
+ iIndex);
+
+ __ASSERT_DEBUG(iIndex >= 0, User::Invariant());
+
+ // Set the preset to the empty Environmental Reverb utility.
+ iEmptyStereoWideningUtility->GetPresetL(iIndex);
+ return &(iEmptyStereoWideningUtility->StereoWidening());
+}
+
+
+// -----------------------------------------------------------------------------
+// CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::ConstructL
+// Symbian 2nd phase constructor can leave.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::ConstructL()
+{
+ iPresetNames = new(ELeave)CDesCArrayFlat(KAMMSEMCPresetGranularity);
+ CAMMSEMCBaseMMFDevSound ::ConstructL();
+ LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::ConstructL");
+}
+
+// End of File