multimediacommsengine/mmcecli/src/mcemicsource.cpp
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     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:    
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #include "mcemicsource.h"
       
    22 #include "mcecommicsource.h"
       
    23 #include "mcesession.h"
       
    24 #include "mcemediastream.h"
       
    25 #include "mceitcsender.h"
       
    26 #include "mceclilogs.h"
       
    27 #include "mcemanager.h"
       
    28 
       
    29 #define _FLAT_DATA static_cast<CMceComMicSource*>( iFlatData )
       
    30 #define FLAT_DATA( data ) _FLAT_DATA->data
       
    31 
       
    32 // ============================ MEMBER FUNCTIONS ===============================
       
    33 
       
    34 
       
    35 // -----------------------------------------------------------------------------
       
    36 // CMceMicSource::NewL
       
    37 // -----------------------------------------------------------------------------
       
    38 //
       
    39 EXPORT_C CMceMicSource* CMceMicSource::NewL()
       
    40     {
       
    41     
       
    42     CMceMicSource* self = NewLC();
       
    43     CleanupStack::Pop( self );
       
    44     return self;
       
    45     
       
    46     }
       
    47 
       
    48 // -----------------------------------------------------------------------------
       
    49 // CMceMicSource::NewLC
       
    50 // -----------------------------------------------------------------------------
       
    51 //
       
    52 EXPORT_C CMceMicSource* CMceMicSource::NewLC()
       
    53     {
       
    54     
       
    55     CMceMicSource* self = new (ELeave) CMceMicSource();
       
    56     CleanupStack::PushL( self );
       
    57     self->ConstructL();
       
    58     return self;
       
    59     
       
    60     }
       
    61     
       
    62 // -----------------------------------------------------------------------------
       
    63 // CMceMicSource::~CMceMicSource
       
    64 // -----------------------------------------------------------------------------
       
    65 //
       
    66 EXPORT_C CMceMicSource::~CMceMicSource()
       
    67     {
       
    68     }
       
    69     
       
    70 // -----------------------------------------------------------------------------
       
    71 // CMceMicSource::EnableL
       
    72 // -----------------------------------------------------------------------------
       
    73 //
       
    74 EXPORT_C void CMceMicSource::EnableL()
       
    75     {
       
    76     MCECLI_DEBUG("CMceMicSource::EnableL, Entry");
       
    77     
       
    78     CMceMediaSource::DoEnableL();
       
    79     
       
    80     MCECLI_DEBUG("CMceMicSource::EnableL, Exit");
       
    81     
       
    82     }
       
    83     
       
    84 // -----------------------------------------------------------------------------
       
    85 // CMceMicSource::Disable
       
    86 // -----------------------------------------------------------------------------
       
    87 //
       
    88 EXPORT_C void CMceMicSource::DisableL()
       
    89     {
       
    90     MCECLI_DEBUG("CMceMicSource::DisableL, Entry");
       
    91     
       
    92     CMceMediaSource::DoDisableL();
       
    93 
       
    94     MCECLI_DEBUG("CMceMicSource::DisableL, Exit");
       
    95     
       
    96     }
       
    97     
       
    98 // -----------------------------------------------------------------------------
       
    99 // CMceMicSource::SetGainL
       
   100 // -----------------------------------------------------------------------------
       
   101 //        
       
   102 EXPORT_C void CMceMicSource::SetGainL( TInt aGain )
       
   103 	{
       
   104     MCECLI_DEBUG("CMceMicSource::SetGainL, Entry");
       
   105     MCECLI_DEBUG_DVALUE("gain", aGain);
       
   106     
       
   107     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   108         {
       
   109     	CMceSession* session = iStream->Session();
       
   110 
       
   111     	TMceIds ids;
       
   112     	session->PrepareForITC( ids );
       
   113     	ids.iMediaID   = iStream->Id();
       
   114     	ids.iSourceID  = Id();
       
   115     	
       
   116     	TMceItcArgTInt gain( aGain );
       
   117         session->ITCSender().WriteL( ids, EMceItcSetGain, gain );
       
   118         }
       
   119         
       
   120     FLAT_DATA( iGain ) = aGain; 
       
   121     
       
   122     MCECLI_DEBUG("CMceMicSource::SetGainL, Exit");
       
   123     
       
   124 	}
       
   125 		
       
   126 // -----------------------------------------------------------------------------
       
   127 // CMceMicSource::GainL
       
   128 // -----------------------------------------------------------------------------
       
   129 //
       
   130 EXPORT_C TInt CMceMicSource::GainL() const
       
   131 	{
       
   132 	MCECLI_DEBUG("CMceMicSource::GainL, Entry");
       
   133 	
       
   134     TInt gain( 0 );
       
   135 	
       
   136     if ( MCE_ENDPOINT_ITC_ALLOWED( *this ) )
       
   137         {
       
   138     	CMceSession* session = iStream->Session();
       
   139 
       
   140     	TMceIds ids;
       
   141     	session->PrepareForITC( ids );
       
   142     	ids.iMediaID  = iStream->Id();
       
   143     	ids.iSourceID = Id();
       
   144 
       
   145     	TMceItcArgTInt gainArg;
       
   146 
       
   147         session->ITCSender().ReadL( ids, EMceItcGain, gainArg );
       
   148         
       
   149         gain = gainArg();
       
   150         }
       
   151     else
       
   152         {
       
   153         gain = FLAT_DATA( iGain );
       
   154         }
       
   155 
       
   156     MCECLI_DEBUG("CMceMicSource::GainL, Exit");
       
   157     
       
   158 	return gain;
       
   159 	}
       
   160 
       
   161 // -----------------------------------------------------------------------------
       
   162 // CMceMicSource::MaxGainL
       
   163 // -----------------------------------------------------------------------------
       
   164 //		  
       
   165 EXPORT_C TInt CMceMicSource::MaxGainL() const
       
   166 	{
       
   167 	MCECLI_DEBUG("CMceMicSource::MaxGainL");
       
   168 	
       
   169 	TMceItcArgTInt maxGain;
       
   170     
       
   171     if ( iStream && iStream->Session() && &iStream->Session()->Manager() )
       
   172         {
       
   173         CMceManager& manager = iStream->Session()->Manager();
       
   174         TMceIds ids;
       
   175         ids.iAppUID = manager.AppUid().iUid;
       
   176         _FLAT_DATA->SenderL( 
       
   177             manager.ServerSession() ).ReadL( ids, EMceItcMaxGain, maxGain );
       
   178         }
       
   179     else
       
   180         {
       
   181         MCECLI_DEBUG("CMceMicSource::MaxGainL, not ready");
       
   182         User::Leave( KErrNotReady );
       
   183         }
       
   184     
       
   185     // If gain is not set, set it to half of the max gain
       
   186     if ( FLAT_DATA( iGain ) == KMceNotAssignedInt )
       
   187         {
       
   188         const TInt KMceGainDivider = 2;
       
   189         FLAT_DATA( iGain ) = ( maxGain() / KMceGainDivider );
       
   190         }
       
   191         
       
   192 	return maxGain();
       
   193 	}
       
   194     
       
   195 // -----------------------------------------------------------------------------
       
   196 // CMceMicSource::CMceMicSource
       
   197 // -----------------------------------------------------------------------------
       
   198 //
       
   199 CMceMicSource::CMceMicSource()
       
   200  : CMceMediaSource()
       
   201     {
       
   202     }
       
   203     
       
   204 // -----------------------------------------------------------------------------
       
   205 // CMceMicSource::ConstructL
       
   206 // -----------------------------------------------------------------------------
       
   207 //
       
   208 void CMceMicSource::ConstructL()
       
   209     {
       
   210     CMceComMicSource* mic = CMceComMicSource::NewLC();
       
   211     CMceMediaSource::ConstructL( mic );
       
   212     CleanupStack::Pop( mic );
       
   213     }
       
   214     
       
   215