1 /*

     2 * Copyright (c) 2005 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:  Manipulates the virtual location of the SoundSource3D.

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include <logger.h>

    21 #include <e32math.h>

    22 #include "cammsemcaudiolocationcontrol.h"

    23 

    24 #ifdef _DEBUG

    25 // CONSTANTS

    26 const TInt KAMMSMinRadius = 0;

    27 #endif // _DEBUG

    28 

    29 

    30 // ============================ MEMBER FUNCTIONS ===============================

    31 

    32 // -----------------------------------------------------------------------------

    33 // CAMMSEMCAudioLocationControl::NewLC

    34 // Two-phased constructor.

    35 // -----------------------------------------------------------------------------

    36 CAMMSEMCAudioLocationControl* CAMMSEMCAudioLocationControl::NewLC(

    37     CMMAPlayer* aPlayer)

    38 {

    39     CAMMSEMCAudioLocationControl* self =

    40         new(ELeave) CAMMSEMCAudioLocationControl(aPlayer);

    41 

    42     CleanupStack::PushL(self);

    43 

    44     return self;

    45 }

    46 

    47 // Destructor

    48 CAMMSEMCAudioLocationControl::~CAMMSEMCAudioLocationControl()

    49 {

    50     LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioLocationControl::~CAMMSEMCAudioLocationControl");

    51     // Perform DeallocateControl, if the state change has not yet performed it.

    52     DeallocateControl();

    53 }

    54 

    55 // -----------------------------------------------------------------------------

    56 // CAMMSEMCAudioLocationControl::PrepareControlL

    57 // Function which is called after the correct state is set in Player.

    58 // -----------------------------------------------------------------------------

    59 //

    60 void CAMMSEMCAudioLocationControl::PrepareControlL()

    61 {

    62     // Perform the action only for the first time, skip if called afterwards

    63     if (!iMSourceLocationControl)

    64     {

    65         LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioLocationControl::PrepareControlL");

    66         //Create Location Effect Control

    67         iStreamControl = (static_cast<CMMAEMCAudioPlayer*>(iMMAPlayer))->StreamControl();

    68         iFactory = (static_cast<CMMAEMCAudioPlayer*>(iMMAPlayer))->MMFactory();

    69         MEffectControl* temp(NULL);

    70         User::LeaveIfError(iFactory->CreateEffectControl(KSourceLocationEffectControl, temp));

    71         iMSourceLocationControl  = static_cast<MSourceLocationControl*>(temp);

    72         User::LeaveIfError(iStreamControl->AddEffect(*iMSourceLocationControl));

    73         iMSourceLocationControl->Enable();

    74     }

    75 }

    76 

    77 // -----------------------------------------------------------------------------

    78 // CAMMSEMCAudioLocationControl::DeallocateControl

    79 // Function which is called after the correct state is set in Player.

    80 // -----------------------------------------------------------------------------

    81 //

    82 void CAMMSEMCAudioLocationControl::DeallocateControl()

    83 {

    84     if (iMSourceLocationControl)

    85     {

    86         LOG( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioLocationControl::DeallocateControl");

    87 

    88         // Location for Audio can be disabled or enabled

    89         TRAPD(err,iMSourceLocationControl->Disable());

    90         if (err != KErrNone)

    91         {

    92             // some EMC Error

    93             ELOG1( EJavaAMMS, "AMMS::CAMMSEMCAudioLocationControl::DeallocateControl err = %d",err);

    94         }

    95         //return the control to factory

    96         MEffectControl* temp = iMSourceLocationControl;

    97         iStreamControl->RemoveEffect(*temp);

    98         // Delete the Effect

    99         MEffectControl* tempCtrl = iMSourceLocationControl;

   100         iFactory->DeleteEffectControl(tempCtrl);

   101         iMSourceLocationControl = NULL;

   102     }

   103 }

   104 

   105 const TDesC& CAMMSEMCAudioLocationControl::ClassName() const

   106 {

   107     return KAMMSEMCAudioLocationControl;

   108 }

   109 

   110 

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

   112 // CAMMSEMCAudioLocationControl::SetLocationCartesianL

   113 // Moves the object to the new location.

   114 // -----------------------------------------------------------------------------

   115 void CAMMSEMCAudioLocationControl::SetLocationCartesianL(

   116     TInt& aX,

   117     TInt& aY,

   118     TInt& aZ)

   119 {

   120     // Sets the cartesian coordinates for the source location.

   121 

   122     LOG3( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioLocationControl::SetLocationCartesianL: %d, %d, %d",

   123                aX, aY, aZ);

   124 

   125     iMSourceLocationControl->SetLocationCartesian(aX, aY, aZ);

   126 

   127     // Apply updated settings to EMC API.

   128     iMSourceLocationControl->Apply();

   129 }

   130 

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

   132 // CAMMSEMCAudioLocationControl::LocationCartesian

   133 // Gets the coordinates of the current location.

   134 // -----------------------------------------------------------------------------

   135 void CAMMSEMCAudioLocationControl::LocationCartesian(

   136     TInt& aX, TInt& aY, TInt& aZ)

   137 {

   138     // Gets the cartesian coordinates for the location of the source position.

   139     // The coordinates of the positions are in millimeters.

   140     iMSourceLocationControl->LocationCartesian(aX, aY, aZ);

   141 }

   142 

   143 // -----------------------------------------------------------------------------

   144 // CAMMSEMCAudioLocationControl::SetLocationSphericalL

   145 // Moves the object to the new location.

   146 // -----------------------------------------------------------------------------

   147 void CAMMSEMCAudioLocationControl::SetLocationSphericalL(

   148     TInt& aAzimuth,

   149     TInt& aElevation,

   150     TInt& aRadius)

   151 {

   152     // Check in debug build that aRadius is within valid range.

   153     __ASSERT_DEBUG(aRadius >= KAMMSMinRadius, User::Invariant());

   154 

   155     // Sets the spherical coordinates for the location of the source position.

   156     // The parameters are thousandths of radians

   157 

   158     LOG3( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioLocationControl::SetLocationSphericalL: %d, %d, %d",

   159                aAzimuth, aElevation, aRadius);

   160 

   161     TInt32 convertedAzimuth = (TInt32)(aAzimuth *

   162                                        KDegToRad * 1000);

   163 

   164     TInt32 convertedElevation = (TInt32)(aElevation *

   165                                          KDegToRad * 1000);

   166 

   167     LOG2( EJavaAMMS, EInfo, "AMMS::CAMMSEMCAudioLocationControl::SetLocationSphericalL: %d, %d",

   168                convertedAzimuth, convertedElevation);

   169 

   170     iMSourceLocationControl->SetLocationSpherical(

   171         convertedAzimuth, convertedElevation, (TInt32&)aRadius);

   172 

   173     // Apply updated settings to EMC API.

   174     iMSourceLocationControl->Apply();

   175 }

   176 

   177 // -----------------------------------------------------------------------------

   178 // CAMMSEMCAudioLocationControl::CAMMSEMCAudioLocationControl

   179 // C++ default constructor can NOT contain any code, that

   180 // might leave.

   181 // -----------------------------------------------------------------------------

   182 CAMMSEMCAudioLocationControl::CAMMSEMCAudioLocationControl(CMMAPlayer* aPlayer)

   183         : CAMMSLocationControl(aPlayer)

   184 {

   185     iMMAPlayer = aPlayer;

   186 }

   187 

   188 //  End of File