multimediacommsengine/mmcecli/src/mcecamerasource.cpp
changeset 0 1bce908db942
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     1 /*
       
     2 * Copyright (c) 2006 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:    
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #include "mcecamerasource.h"
       
    22 #include "mcecomcamerasource.h"
       
    23 #include "mcesession.h"
       
    24 #include "mcemediastream.h"
       
    25 #include "mceitcsender.h"
       
    26 #include "mcemanager.h"
       
    27 #include "mce.h"
       
    28 #include "mceserial.h"
       
    29 #include "mceclilogs.h"
       
    30 
       
    31 
       
    32 #define _FLAT_DATA static_cast<CMceComCameraSource*>( iFlatData )
       
    33 #define FLAT_DATA( data ) _FLAT_DATA->data
       
    34 
       
    35 
       
    36 const TInt KMinDigitalZoom = 0;
       
    37 const TInt KMinContrast = -100;
       
    38 const TInt KMaxContrast = 100;
       
    39 const TInt KMinBrightness = -100;
       
    40 const TInt KMaxBrightness = 100; 
       
    41 
       
    42 
       
    43 // ============================ MEMBER FUNCTIONS ===============================
       
    44 
       
    45 
       
    46 // -----------------------------------------------------------------------------
       
    47 // 
       
    48 // -----------------------------------------------------------------------------
       
    49 //
       
    50 EXPORT_C CMceCameraSource* CMceCameraSource::NewL( CMceManager& aManager )
       
    51     {
       
    52     CMceCameraSource* self = CMceCameraSource::NewLC( aManager );
       
    53     CleanupStack::Pop( self );
       
    54     return self;
       
    55     }
       
    56 
       
    57 
       
    58 // -----------------------------------------------------------------------------
       
    59 // 
       
    60 // -----------------------------------------------------------------------------
       
    61 //
       
    62 EXPORT_C CMceCameraSource* CMceCameraSource::NewLC( CMceManager& aManager )
       
    63     {
       
    64     CMceCameraSource* self = new (ELeave) CMceCameraSource();
       
    65     CleanupStack::PushL( self );
       
    66     self->ConstructL( &aManager );
       
    67     return self;
       
    68     }
       
    69 
       
    70 
       
    71 // -----------------------------------------------------------------------------
       
    72 // 
       
    73 // -----------------------------------------------------------------------------
       
    74 //
       
    75 EXPORT_C CMceCameraSource::~CMceCameraSource()
       
    76     {
       
    77     }
       
    78 
       
    79 
       
    80 // -----------------------------------------------------------------------------
       
    81 // 
       
    82 // -----------------------------------------------------------------------------
       
    83 //
       
    84 EXPORT_C void CMceCameraSource::EnableL()
       
    85     {
       
    86     MCECLI_DEBUG("CMceCameraSource::EnableL, Entry");
       
    87     
       
    88     CMceMediaSource::DoEnableL();
       
    89 
       
    90     MCECLI_DEBUG("CMceCameraSource::EnableL, Exit");
       
    91     }
       
    92 
       
    93 
       
    94 // -----------------------------------------------------------------------------
       
    95 // 
       
    96 // -----------------------------------------------------------------------------
       
    97 //
       
    98 EXPORT_C void CMceCameraSource::DisableL()
       
    99     { 
       
   100     MCECLI_DEBUG("CMceCameraSource::DisableL, Entry");
       
   101     
       
   102     CMceMediaSource::DoDisableL();
       
   103     
       
   104     MCECLI_DEBUG("CMceCameraSource::DisableL, Exit");
       
   105     }
       
   106 
       
   107 
       
   108 // -----------------------------------------------------------------------------
       
   109 // 
       
   110 // -----------------------------------------------------------------------------
       
   111 //	    
       
   112 EXPORT_C TInt CMceCameraSource::CamerasAvailable() const
       
   113     {
       
   114     return FLAT_DATA( iCamerasAvailable );
       
   115     }
       
   116 
       
   117 
       
   118 // -----------------------------------------------------------------------------
       
   119 // 
       
   120 // -----------------------------------------------------------------------------
       
   121 //
       
   122 EXPORT_C void CMceCameraSource::SetCameraIndexL( TInt aCameraIndex )	  
       
   123     {
       
   124     MCECLI_DEBUG("CMceCameraSource::SetCameraIndexL, Entry");
       
   125     MCECLI_DEBUG_DVALUE("index", aCameraIndex );
       
   126     
       
   127     
       
   128     __ASSERT_ALWAYS( aCameraIndex >= 0 &&
       
   129                      aCameraIndex < this->CamerasAvailable(),
       
   130                      User::Leave( KErrArgument ) );
       
   131                      
       
   132     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   133         {
       
   134         
       
   135         
       
   136         FLAT_DATA( iCameraInfo ) = SetITCCameraIndexL( aCameraIndex );
       
   137         FLAT_DATA( iCameraIndex ) = aCameraIndex;
       
   138         
       
   139         
       
   140         }
       
   141     else
       
   142         {
       
   143     	FLAT_DATA( iCameraIndex ) = aCameraIndex;
       
   144         MCECLI_DEBUG("CMceCameraSource::SetCameraIndexL, done locally");
       
   145         }                 
       
   146         
       
   147     MCECLI_DEBUG("CMceCameraSource::SetCameraIndexL, Exit");
       
   148     
       
   149     }          
       
   150      
       
   151        
       
   152 // -----------------------------------------------------------------------------
       
   153 // 
       
   154 // -----------------------------------------------------------------------------
       
   155 //	     
       
   156 EXPORT_C void CMceCameraSource::GetCameraInfo( TCameraInfo& aInfo ) const
       
   157     {
       
   158     aInfo = FLAT_DATA( iCameraInfo );
       
   159     }
       
   160 
       
   161 
       
   162 // -----------------------------------------------------------------------------
       
   163 // 
       
   164 // -----------------------------------------------------------------------------
       
   165 //	
       
   166 EXPORT_C void CMceCameraSource::SetZoomFactorL( TInt aZoomFactor )
       
   167     {
       
   168     MCECLI_DEBUG("CMceCameraSource::SetZoomFactorL, Entry");
       
   169     MCECLI_DEBUG_DVALUE("factor", aZoomFactor );
       
   170     
       
   171     __ASSERT_ALWAYS( aZoomFactor >= FLAT_DATA( iCameraInfo.iMinZoom ) &&
       
   172                      aZoomFactor <= FLAT_DATA( iCameraInfo.iMaxZoom ), 
       
   173                      User::Leave( KErrArgument ) );
       
   174     
       
   175     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   176         {
       
   177         FLAT_DATA( iZoomFactor ) = SetITCValueL( EMceItcSetZoomFactor,
       
   178                                                  aZoomFactor ); 
       
   179         }
       
   180     else
       
   181         {
       
   182     	FLAT_DATA( iZoomFactor ) = aZoomFactor;
       
   183         MCECLI_DEBUG("CMceCameraSource::SetZoomFactorL, done locally");
       
   184         }       
       
   185         
       
   186     MCECLI_DEBUG("CMceCameraSource::SetZoomFactorL, Exit");
       
   187     
       
   188     }
       
   189 
       
   190 
       
   191 // -----------------------------------------------------------------------------
       
   192 // 
       
   193 // -----------------------------------------------------------------------------
       
   194 //	
       
   195 EXPORT_C TInt CMceCameraSource::ZoomFactorL()
       
   196     {
       
   197     MCECLI_DEBUG("CMceCameraSource::ZoomFactorL, Entry");
       
   198     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   199         {
       
   200         FLAT_DATA( iZoomFactor ) = GetITCValueL( EMceItcZoomFactor );
       
   201         }
       
   202     else
       
   203         {
       
   204         //NOP
       
   205         MCECLI_DEBUG("CMceCameraSource::ZoomFactorL, done locally");
       
   206         }
       
   207 
       
   208     MCECLI_DEBUG("CMceCameraSource::ZoomFactorL, Exit");
       
   209         
       
   210     return FLAT_DATA( iZoomFactor ); 
       
   211     }
       
   212 
       
   213 
       
   214 // -----------------------------------------------------------------------------
       
   215 // 
       
   216 // -----------------------------------------------------------------------------
       
   217 //	
       
   218 EXPORT_C void CMceCameraSource::SetDigitalZoomFactorL( TInt aDigitalZoomFactor )
       
   219     {
       
   220     MCECLI_DEBUG("CMceCameraSource::SetDigitalZoomFactorL, Entry");
       
   221     MCECLI_DEBUG_DVALUE("factor", aDigitalZoomFactor );
       
   222     
       
   223     __ASSERT_ALWAYS( aDigitalZoomFactor >= KMinDigitalZoom &&
       
   224                 aDigitalZoomFactor <= FLAT_DATA( iCameraInfo.iMaxDigitalZoom ), 
       
   225                 User::Leave( KErrArgument ) );
       
   226     
       
   227     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   228         {
       
   229         FLAT_DATA( iDigitalZoomFactor ) = 
       
   230                 SetITCValueL( EMceItcSetDigitalZoomFactor,
       
   231                               aDigitalZoomFactor ); 
       
   232         }
       
   233     else
       
   234         {
       
   235     	FLAT_DATA( iDigitalZoomFactor ) = aDigitalZoomFactor;
       
   236         MCECLI_DEBUG("CMceCameraSource::SetDigitalZoomFactorL, done locally");
       
   237         }       
       
   238     
       
   239     MCECLI_DEBUG("CMceCameraSource::SetDigitalZoomFactorL, Exit");
       
   240     
       
   241     }
       
   242 
       
   243 
       
   244 // -----------------------------------------------------------------------------
       
   245 // 
       
   246 // -----------------------------------------------------------------------------
       
   247 //	
       
   248 EXPORT_C TInt CMceCameraSource::DigitalZoomFactorL()
       
   249     {
       
   250     MCECLI_DEBUG("CMceCameraSource::DigitalZoomFactorL, Entry");
       
   251     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   252         {
       
   253         FLAT_DATA( iDigitalZoomFactor ) = 
       
   254                     GetITCValueL( EMceItcDigitalZoomFactor );
       
   255         }                          
       
   256     else
       
   257         {
       
   258         //NOP
       
   259         MCECLI_DEBUG("CMceCameraSource::DigitalZoomFactorL, done locally");
       
   260         }
       
   261 
       
   262     MCECLI_DEBUG("CMceCameraSource::DigitalZoomFactorL, Exit");
       
   263     return FLAT_DATA( iDigitalZoomFactor );
       
   264     }
       
   265 
       
   266 
       
   267 // -----------------------------------------------------------------------------
       
   268 // 
       
   269 // -----------------------------------------------------------------------------
       
   270 //	
       
   271 EXPORT_C void CMceCameraSource::SetContrastL( TInt aContrast )
       
   272     {
       
   273     MCECLI_DEBUG("CMceCameraSource::SetContrastL, Entry");
       
   274     MCECLI_DEBUG_DVALUE("contrast", aContrast );
       
   275     
       
   276     __ASSERT_ALWAYS( ( FLAT_DATA( iCameraInfo.iOptionsSupported ) & 
       
   277                        TCameraInfo::EContrastSupported ) ==
       
   278                      TCameraInfo::EContrastSupported,
       
   279                      User::Leave( KErrNotSupported ) );
       
   280                     
       
   281     __ASSERT_ALWAYS( (( aContrast >= KMinContrast &&
       
   282                         aContrast <= KMaxContrast ) ||
       
   283                         aContrast == CCamera::EContrastAuto ),
       
   284                      User::Leave( KErrArgument ) );
       
   285                       
       
   286                                            
       
   287     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   288         {
       
   289         FLAT_DATA( iContrast ) = SetITCValueL( EMceItcSetContrast,
       
   290                                                aContrast ); 
       
   291         }
       
   292     else
       
   293         {
       
   294     	FLAT_DATA( iContrast ) = aContrast;
       
   295         MCECLI_DEBUG("CMceCameraSource::SetContrastL, done locally");
       
   296         }
       
   297         
       
   298     MCECLI_DEBUG("CMceCameraSource::SetContrastL, Exit");
       
   299     
       
   300     }
       
   301 
       
   302 
       
   303 // -----------------------------------------------------------------------------
       
   304 // 
       
   305 // -----------------------------------------------------------------------------
       
   306 //	
       
   307 EXPORT_C TInt CMceCameraSource::ContrastL()
       
   308     {
       
   309     MCECLI_DEBUG("CMceCameraSource::ContrastL, Entry");
       
   310     
       
   311     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   312         {
       
   313         FLAT_DATA( iContrast ) = GetITCValueL( EMceItcContrast );
       
   314         }
       
   315     else
       
   316         {
       
   317         //NOP
       
   318         MCECLI_DEBUG("CMceCameraSource::ContrastL, done locally");
       
   319         }
       
   320     
       
   321     MCECLI_DEBUG("CMceCameraSource::ContrastL, Exit");
       
   322     return FLAT_DATA( iContrast );
       
   323     }
       
   324 
       
   325 
       
   326 // -----------------------------------------------------------------------------
       
   327 // 
       
   328 // -----------------------------------------------------------------------------
       
   329 //	
       
   330 EXPORT_C void CMceCameraSource::SetBrightnessL( TInt aBrightness )
       
   331     {
       
   332     MCECLI_DEBUG("CMceCameraSource::SetBrightnessL, Entry");
       
   333     MCECLI_DEBUG_DVALUE("brightness", aBrightness );
       
   334     
       
   335     __ASSERT_ALWAYS( ( FLAT_DATA( iCameraInfo.iOptionsSupported ) & 
       
   336                        TCameraInfo::EBrightnessSupported ) ==
       
   337                      TCameraInfo::EBrightnessSupported,
       
   338                      User::Leave( KErrNotSupported ) );
       
   339                    
       
   340     __ASSERT_ALWAYS( (( aBrightness >= KMinBrightness &&
       
   341                         aBrightness <= KMaxBrightness ) ||
       
   342                         aBrightness == CCamera::EBrightnessAuto ),
       
   343                      User::Leave( KErrArgument ) );
       
   344     
       
   345     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   346         {
       
   347         FLAT_DATA( iBrightness ) = SetITCValueL( EMceItcSetBrightness,
       
   348                                                  aBrightness ); 
       
   349         }
       
   350     else
       
   351         {
       
   352     	FLAT_DATA( iBrightness ) = aBrightness;
       
   353         MCECLI_DEBUG("CMceCameraSource::SetBrightnessL, done locally");
       
   354         }
       
   355         
       
   356     MCECLI_DEBUG("CMceCameraSource::SetBrightnessL, Exit");
       
   357 
       
   358     }
       
   359 
       
   360 
       
   361 // -----------------------------------------------------------------------------
       
   362 // 
       
   363 // -----------------------------------------------------------------------------
       
   364 //	
       
   365 EXPORT_C TInt CMceCameraSource::BrightnessL()
       
   366     {
       
   367     MCECLI_DEBUG("CMceCameraSource::BrightnessL, Entry");
       
   368     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   369         {
       
   370         FLAT_DATA( iBrightness ) = GetITCValueL( EMceItcBrightness );
       
   371         }
       
   372     else
       
   373         {
       
   374         //NOP
       
   375         MCECLI_DEBUG("CMceCameraSource::BrightnessL, done locally");
       
   376         }
       
   377 
       
   378     MCECLI_DEBUG("CMceCameraSource::BrightnessL, Exit");
       
   379     return FLAT_DATA( iBrightness ); 
       
   380     }
       
   381 
       
   382 
       
   383 // -----------------------------------------------------------------------------
       
   384 // 
       
   385 // -----------------------------------------------------------------------------
       
   386 //	
       
   387 EXPORT_C void CMceCameraSource::SetExposureL( CCamera::TExposure aExposure )
       
   388     {
       
   389     MCECLI_DEBUG("CMceCameraSource::SetExposureL, Entry");
       
   390     MCECLI_DEBUG_DVALUE("exposure", aExposure );
       
   391     
       
   392     __ASSERT_ALWAYS( 
       
   393           ( FLAT_DATA( iCameraInfo.iExposureModesSupported ) & aExposure ) ==
       
   394                         aExposure,
       
   395                         User::Leave( KErrNotSupported ) );
       
   396     
       
   397     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   398         {
       
   399         FLAT_DATA( iExposure ) = SetITCValueL( EMceItcSetExposure,
       
   400                                                aExposure ); 
       
   401         }
       
   402     else
       
   403         {
       
   404     	FLAT_DATA( iExposure ) = aExposure;
       
   405         MCECLI_DEBUG("CMceCameraSource::SetExposureL, done locally");
       
   406         }
       
   407         
       
   408     MCECLI_DEBUG("CMceCameraSource::SetExposureL, Exit");
       
   409         
       
   410     }
       
   411 
       
   412 
       
   413 // -----------------------------------------------------------------------------
       
   414 // 
       
   415 // -----------------------------------------------------------------------------
       
   416 //	
       
   417 EXPORT_C CCamera::TExposure CMceCameraSource::ExposureL()
       
   418     {
       
   419     MCECLI_DEBUG("CMceCameraSource::ExposureL, Entry");
       
   420     
       
   421     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   422         {
       
   423         FLAT_DATA( iExposure ) = GetITCValueL( EMceItcExposure );
       
   424         }
       
   425     else
       
   426         {
       
   427         //NOP
       
   428         MCECLI_DEBUG("CMceCameraSource::ExposureL, done locally");
       
   429         }
       
   430 
       
   431     MCECLI_DEBUG("CMceCameraSource::ExposureL, Exit");
       
   432     
       
   433     return static_cast<CCamera::TExposure>( FLAT_DATA( iExposure ) );
       
   434     }
       
   435 
       
   436 
       
   437 // -----------------------------------------------------------------------------
       
   438 // 
       
   439 // -----------------------------------------------------------------------------
       
   440 //	
       
   441 EXPORT_C void CMceCameraSource::SetWhiteBalanceL( 
       
   442                                     CCamera::TWhiteBalance aWhiteBalance )
       
   443     {
       
   444     MCECLI_DEBUG("CMceCameraSource::SetWhiteBalanceL, Entry");
       
   445     MCECLI_DEBUG_DVALUE("white balance", aWhiteBalance );
       
   446     
       
   447     __ASSERT_ALWAYS( 
       
   448         ( FLAT_DATA( iCameraInfo.iWhiteBalanceModesSupported ) & aWhiteBalance ) == 
       
   449         aWhiteBalance,
       
   450         User::Leave( KErrNotSupported ) );
       
   451    
       
   452     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   453         {
       
   454         FLAT_DATA( iWhiteBalance ) = SetITCValueL( EMceItcSetWhiteBalance,
       
   455                                                    aWhiteBalance ); 
       
   456         }
       
   457     else
       
   458         {
       
   459     	FLAT_DATA( iWhiteBalance ) = aWhiteBalance;
       
   460         MCECLI_DEBUG("CMceCameraSource::SetWhiteBalanceL, done locally");
       
   461         }
       
   462         
       
   463     MCECLI_DEBUG("CMceCameraSource::SetWhiteBalanceL, Exit");
       
   464     
       
   465     }
       
   466 
       
   467 
       
   468 // -----------------------------------------------------------------------------
       
   469 // 
       
   470 // -----------------------------------------------------------------------------
       
   471 //	
       
   472 EXPORT_C CCamera::TWhiteBalance CMceCameraSource::WhiteBalanceL()
       
   473     {
       
   474     MCECLI_DEBUG("CMceCameraSource::WhiteBalanceL, Entry");
       
   475     
       
   476     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   477         {
       
   478         FLAT_DATA( iWhiteBalance ) = GetITCValueL( EMceItcWhiteBalance );
       
   479         }
       
   480     else
       
   481         {
       
   482         //NOP
       
   483         MCECLI_DEBUG("CMceCameraSource::WhiteBalanceL, done locally");
       
   484         }
       
   485     
       
   486     MCECLI_DEBUG("CMceCameraSource::WhiteBalanceL, Exit");
       
   487     return static_cast<CCamera::TWhiteBalance>( FLAT_DATA( iWhiteBalance ) );
       
   488     }
       
   489 
       
   490 
       
   491 // -----------------------------------------------------------------------------
       
   492 //
       
   493 // -----------------------------------------------------------------------------
       
   494 //
       
   495 void CMceCameraSource::InitializeL( CMceManager* aManager )
       
   496     {
       
   497     __ASSERT_ALWAYS( aManager, User::Leave( KErrArgument ) );
       
   498 
       
   499     if ( !FLAT_DATA( iInitialInfoRetrieved ) )
       
   500         {   
       
   501         // Receive available camera count
       
   502         MCECLI_DEBUG("CMceCameraSource::InitializeL, querying available cameras");
       
   503         TMceIds ids;
       
   504         ids.iAppUID = aManager->AppUid().iUid;
       
   505 
       
   506     	TMceItcArgTInt camerasAvailable;
       
   507     	
       
   508         _FLAT_DATA->SenderL( 
       
   509             aManager->ServerSession() ).ReadL( ids, EMceItcCamerasAvailable, 
       
   510                                                camerasAvailable );
       
   511     	
       
   512         FLAT_DATA( iCamerasAvailable ) = camerasAvailable();
       
   513 
       
   514         MCECLI_DEBUG_DVALUE("CMceCameraSource::InitializeL,\
       
   515 querying camera info for camera ", FLAT_DATA( iCameraIndex ) );
       
   516         
       
   517         // Receive TCameraInfo
       
   518         GetITCCameraInfoL( *aManager, FLAT_DATA( iCameraInfo ) );
       
   519     
       
   520         FLAT_DATA( iInitialInfoRetrieved ) = ETrue;
       
   521         
       
   522         }
       
   523     }
       
   524 
       
   525 // -----------------------------------------------------------------------------
       
   526 // 
       
   527 // -----------------------------------------------------------------------------
       
   528 //
       
   529 void CMceCameraSource::GetITCCameraInfoL( CMceManager& aManager, 
       
   530                                           TCameraInfo& aInfo ) const
       
   531     {
       
   532     
       
   533     // Receive TCameraInfo
       
   534     TMceCameraInfo info;
       
   535     info.iIndex = FLAT_DATA( iCameraIndex );
       
   536     
       
   537     TMceItcArgTCameraInfo cameraInfo( info );
       
   538     
       
   539     TMceIds infoIds;
       
   540     infoIds.iAppUID = aManager.AppUid().iUid;
       
   541     _FLAT_DATA->SenderL( 
       
   542         aManager.ServerSession() ).ReadL( infoIds, EMceItcCameraInfo, 
       
   543                                           cameraInfo );
       
   544     
       
   545     aInfo = cameraInfo().iInfo;
       
   546     
       
   547     }
       
   548 
       
   549 
       
   550 
       
   551 
       
   552 // -----------------------------------------------------------------------------
       
   553 // 
       
   554 // -----------------------------------------------------------------------------
       
   555 //
       
   556 TCameraInfo CMceCameraSource::SetITCCameraIndexL( TInt aCameraIndex ) const
       
   557     {
       
   558     CMceSession* session = NULL;
       
   559     
       
   560     if ( iStream )
       
   561         {
       
   562         session = iStream->Session();
       
   563         }
       
   564     
       
   565     if ( !session )
       
   566         {
       
   567         User::Leave( KErrNotReady );
       
   568         }
       
   569     
       
   570     TMceIds ids;
       
   571     session->PrepareForITC( ids );
       
   572     ids.iMediaID   = iStream->Id();
       
   573     ids.iSourceID  = Id();
       
   574     
       
   575     TMceCameraInfo info;
       
   576     info.iIndex = aCameraIndex;
       
   577     
       
   578     TMceItcArgTCameraInfo value( info );
       
   579     
       
   580     session->ITCSender().ReadL( ids, EMceItcSetCameraIndex, value );
       
   581     
       
   582     
       
   583     return value().iInfo;
       
   584     }
       
   585 
       
   586 
       
   587 // -----------------------------------------------------------------------------
       
   588 // Factory method to inner usage
       
   589 // -----------------------------------------------------------------------------
       
   590 //
       
   591 CMceCameraSource* CMceCameraSource::NewL()
       
   592     {
       
   593     CMceCameraSource* self = CMceCameraSource::NewLC();
       
   594     CleanupStack::Pop( self );
       
   595     return self;
       
   596     }
       
   597 
       
   598 
       
   599 // -----------------------------------------------------------------------------
       
   600 // Factory method to inner usage
       
   601 // -----------------------------------------------------------------------------
       
   602 //
       
   603 CMceCameraSource* CMceCameraSource::NewLC()
       
   604     {
       
   605     CMceCameraSource* self = new (ELeave) CMceCameraSource();
       
   606     CleanupStack::PushL( self );
       
   607     self->ConstructL( NULL );
       
   608     return self;
       
   609     }
       
   610 
       
   611 
       
   612 // -----------------------------------------------------------------------------
       
   613 // 
       
   614 // -----------------------------------------------------------------------------
       
   615 //
       
   616 TInt CMceCameraSource::GetITCValueL( TUint8 aITCFunction )
       
   617     {
       
   618     CMceSession* session = NULL;
       
   619     
       
   620     if ( iStream )
       
   621         {
       
   622         session = iStream->Session();
       
   623         }
       
   624     
       
   625     if ( !session )
       
   626         {
       
   627         User::Leave( KErrNotReady );
       
   628         }
       
   629     
       
   630     TMceIds ids;
       
   631 	session->PrepareForITC( ids );
       
   632 	ids.iMediaID  = iStream->Id();
       
   633 	ids.iSourceID = Id();
       
   634 	
       
   635 	TMceItcArgTInt value;
       
   636 	
       
   637 	session->ITCSender().ReadL( ids, 
       
   638 	    static_cast<TMceItcFunctions>(aITCFunction), value );
       
   639     
       
   640     return value();
       
   641     }
       
   642 
       
   643 
       
   644 // -----------------------------------------------------------------------------
       
   645 // 
       
   646 // -----------------------------------------------------------------------------
       
   647 //
       
   648 TInt CMceCameraSource::SetITCValueL( TUint8 aITCFunction, 
       
   649                                      TInt aValue )
       
   650     {
       
   651     CMceSession* session = NULL;
       
   652     
       
   653     if ( iStream )
       
   654         {
       
   655         session = iStream->Session();
       
   656         }
       
   657     
       
   658     if ( !session )
       
   659         {
       
   660         User::Leave( KErrNotReady );
       
   661         }
       
   662 
       
   663 	TMceIds ids;
       
   664 	session->PrepareForITC( ids );
       
   665 	ids.iMediaID   = iStream->Id();
       
   666 	ids.iSourceID  = Id();
       
   667 	
       
   668 	TMceItcArgTInt value( aValue );
       
   669 	
       
   670     session->ITCSender().WriteL( ids, 
       
   671         static_cast<TMceItcFunctions>(aITCFunction), value );
       
   672     
       
   673     return value();
       
   674     }
       
   675 
       
   676 
       
   677 // -----------------------------------------------------------------------------
       
   678 // 
       
   679 // -----------------------------------------------------------------------------
       
   680 //
       
   681 CMceCameraSource::CMceCameraSource()
       
   682     :CMceMediaSource()
       
   683     {
       
   684     }
       
   685 
       
   686 
       
   687 // -----------------------------------------------------------------------------
       
   688 // 
       
   689 // -----------------------------------------------------------------------------
       
   690 //
       
   691 void CMceCameraSource::ConstructL( CMceManager* aManager )
       
   692     {
       
   693     CMceComCameraSource* mic = CMceComCameraSource::NewLC();
       
   694     CMceMediaSource::ConstructL( mic );
       
   695     CleanupStack::Pop( mic );
       
   696     
       
   697     if ( aManager )
       
   698         {
       
   699         InitializeL( aManager );
       
   700         }
       
   701     }
       
   702