1 /*

     2 * Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Group for effect controls

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include <logger.h>

    21 #include "cammsemcaudiovirtualizerenvironmentalpresetutility.h"

    22 

    23 const TInt KAMMSEMCPresetGranularity = 5;

    24 

    25 

    26 

    27 // ============================ MEMBER FUNCTIONS ===============================

    28 // Constructors

    29 

    30 CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility()

    31 {

    32     LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility:: constructor");

    33 }

    34 

    35 // Destructor

    36 CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::~CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility()

    37 {

    38     delete iPresetNames;

    39     if (iEmptyStereoWideningUtility)

    40     {

    41         delete iEmptyStereoWideningUtility;

    42         iEmptyStereoWideningUtility = NULL;

    43     }

    44     LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::~ ");

    45 }

    46 

    47 // -----------------------------------------------------------------------------

    48 // CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetAtIndexL

    49 // Gets the current preset.

    50 // (other items were commented in a header).

    51 // -----------------------------------------------------------------------------

    52 void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetAtIndexL(TDes& aPreset ,TInt iIndex)

    53 {

    54     LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetAtIndexL +");

    55     // Return KNullDesC if no preset is set.

    56     if (iIndex >= 0)

    57     {

    58 

    59         TArray< TEfStereoWideningUtilityPreset > presetNames =

    60             iEmptyStereoWideningUtility->Presets();

    61         aPreset = presetNames[ iIndex ].iPresetName ;

    62 

    63     }

    64     else

    65     {

    66         aPreset = KNullDesC;

    67     }

    68 

    69     LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetAtIndexL -");

    70 }

    71 

    72 // -----------------------------------------------------------------------------

    73 // CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::PrepareEmptyStereoWideningUtilitiesL

    74 // Creates utilities that can be used to obtain preset names and preset data.

    75 // (other items were commented in a header).

    76 // -----------------------------------------------------------------------------

    77 void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::PrepareEmptyStereoWideningUtilitiesL()

    78 {

    79     LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::PrepareEmptyStereoWideningUtilitiesL +");

    80     //Calling base class function to create and initialize the CMMFDevSound

    81     CreateAndInitializeDevSoundL();

    82     if (!iEmptyStereoWideningUtility)

    83     {

    84         iEmptyStereoWideningUtility =

    85             CStereoWideningUtility::NewL(*iMMFDevSound);

    86     }

    87 

    88     LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::PrepareEmptyStereoWideningUtilitiesL -");

    89 }

    90 

    91 // -----------------------------------------------------------------------------

    92 // CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::DeleteEmptyStereoWideningUtilities

    93 // Deletes utilities that are used to obtain preset names and preset data.

    94 // (other items were commented in a header).

    95 // -----------------------------------------------------------------------------

    96 void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::DeleteEmptyStereoWideningUtilities()

    97 {

    98     LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::DeleteEmptyStereoWideningUtilities +");

    99 

   100     if (iEmptyStereoWideningUtility)

   101     {

   102         delete iEmptyStereoWideningUtility;

   103         iEmptyStereoWideningUtility = NULL;

   104     }

   105     //Calling base class function to delete CMMFDevSound object to free memory

   106     DeleteDevSound();

   107     LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::DeleteEmptyStereoWideningUtilities -");

   108 }

   109 

   110 

   111 // -----------------------------------------------------------------------------

   112 // CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetNamesL

   113 // Gets list of preset names available.

   114 // (other items were commented in a header).

   115 // -----------------------------------------------------------------------------

   116 void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetNamesL(

   117     CDesCArray& aPresetNames)

   118 {

   119     LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetNamesL +");

   120     TArray< TEfStereoWideningUtilityPreset > presetNames =

   121         iEmptyStereoWideningUtility->Presets();

   122     TInt presetCount = presetNames.Count();

   123     for (TInt i = 0; i < presetCount; i++)

   124     {

   125         aPresetNames.AppendL(presetNames[ i ].iPresetName);

   126     }

   127     LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetNamesL -");

   128 }

   129 

   130 

   131 // -----------------------------------------------------------------------------

   132 // CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetEnvironmentalStereoWideningAtPresetIndexL

   133 // Gets list of preset names available.

   134 // (other items were commented in a header).

   135 // -----------------------------------------------------------------------------

   136 CStereoWidening * CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetStereoWideningAtPresetIndexL(TInt iIndex)

   137 {

   138     LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetStereoWideningAtPresetIndexL, index=%d",

   139               iIndex);

   140 

   141     __ASSERT_DEBUG(iIndex >= 0, User::Invariant());

   142 

   143     // Set the preset to the empty Environmental Reverb utility.

   144     iEmptyStereoWideningUtility->GetPresetL(iIndex);

   145     return &(iEmptyStereoWideningUtility->StereoWidening());

   146 }

   147 

   148 

   149 // -----------------------------------------------------------------------------

   150 // CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::ConstructL

   151 // Symbian 2nd phase constructor can leave.

   152 // (other items were commented in a header).

   153 // -----------------------------------------------------------------------------

   154 void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::ConstructL()

   155 {

   156     iPresetNames = new(ELeave)CDesCArrayFlat(KAMMSEMCPresetGranularity);

   157     CAMMSEMCBaseMMFDevSound ::ConstructL();

   158     LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::ConstructL");

   159 }

   160 

   161 //  End of File