multimediacommsengine/mmceshared/inc/mceserial.inl
changeset 0 1bce908db942
child 49 64c62431ac08
equal deleted inserted replaced
-1:000000000000 0:1bce908db942
       
     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 
       
    22         
       
    23         
       
    24 // -----------------------------------------------------------------------------
       
    25 // CMceMsgObject::CMceMsgObject
       
    26 // -----------------------------------------------------------------------------
       
    27 //
       
    28 template <class T>
       
    29 inline CMceMsgObject<T>::CMceMsgObject()
       
    30   : CMceMsgBase( EMceItcMsgTypeSession ),
       
    31     iObject( NULL )
       
    32     {
       
    33     }
       
    34 
       
    35 
       
    36 // -----------------------------------------------------------------------------
       
    37 // CMceMsgObject::CMceMsgObject
       
    38 // -----------------------------------------------------------------------------
       
    39 //
       
    40 template <class T>
       
    41 inline CMceMsgObject<T>::CMceMsgObject( T& aObject, TMceItcDataType aItcType )
       
    42   : CMceMsgBase( aItcType ),
       
    43     iObject( &aObject )
       
    44     {
       
    45     }
       
    46     
       
    47 // -----------------------------------------------------------------------------
       
    48 // CMceMsgObject::~CMceMsgObject
       
    49 // -----------------------------------------------------------------------------
       
    50 //
       
    51 template <class T>
       
    52 inline CMceMsgObject<T>::~CMceMsgObject()
       
    53     {
       
    54     if ( iPushed )
       
    55         {
       
    56         LocalClose();
       
    57         }
       
    58     }
       
    59 
       
    60     
       
    61 // -----------------------------------------------------------------------------
       
    62 // CMceMsgObject::EncodeL
       
    63 // -----------------------------------------------------------------------------
       
    64 //
       
    65 template <class T>
       
    66 inline void CMceMsgObject<T>::EncodeL()
       
    67     {
       
    68     
       
    69     delete iEncodeBuf;
       
    70     iEncodeBuf = NULL;
       
    71     
       
    72 	iEncodeBuf = CBufFlat::NewL( KMceExternalizeBufferExpandSize );
       
    73 
       
    74 	RBufWriteStream writeStream( *iEncodeBuf, 0 );
       
    75 	writeStream.PushL();
       
    76     MMceComSerializationContext serCtx( writeStream );
       
    77     CleanupClosePushL( serCtx );
       
    78 	
       
    79 	iObject->ExternalizeL( serCtx );
       
    80 	
       
    81 	CleanupStack::PopAndDestroy(); // serCtx
       
    82 	CleanupStack::PopAndDestroy(); // writeStream
       
    83     
       
    84     }
       
    85 
       
    86 
       
    87 // -----------------------------------------------------------------------------
       
    88 // CMceMsgObject::DoDecodeL
       
    89 // -----------------------------------------------------------------------------
       
    90 //
       
    91 template <class T>
       
    92 inline void CMceMsgObject<T>::DoDecodeL( RReadStream& aReadStream )
       
    93     {
       
    94     MMceComSerializationContext serCtx( aReadStream );
       
    95     CleanupClosePushL( serCtx );
       
    96     DoDecodeL( serCtx );
       
    97     
       
    98     CleanupStack::PopAndDestroy();//serCtx
       
    99     
       
   100     }
       
   101 
       
   102 // -----------------------------------------------------------------------------
       
   103 // CMceMsgObject::DoDecodeL
       
   104 // -----------------------------------------------------------------------------
       
   105 //
       
   106 template <class T>
       
   107 inline void CMceMsgObject<T>::DoDecodeL( MMceComSerializationContext& aSerCtx )
       
   108     {
       
   109     
       
   110     iObject = (T*)T::Factory().CreateLC( aSerCtx );
       
   111 	CleanupStack::Pop( iObject );
       
   112     
       
   113     }
       
   114         
       
   115 
       
   116 
       
   117 // -----------------------------------------------------------------------------
       
   118 // CMceMsgObject::Object
       
   119 // -----------------------------------------------------------------------------
       
   120 //
       
   121 template <class T>
       
   122 inline T* CMceMsgObject<T>::Object()
       
   123     {
       
   124     T* ret = iObject;
       
   125     iObject = NULL;
       
   126     return ret;
       
   127     }
       
   128     
       
   129 
       
   130 // -----------------------------------------------------------------------------
       
   131 // CMceMsgObject::Close
       
   132 // -----------------------------------------------------------------------------
       
   133 //
       
   134 template <class T>
       
   135 inline void CMceMsgObject<T>::Close()
       
   136     {
       
   137     MCE_DELETE( iObject );
       
   138     }
       
   139 
       
   140 // -----------------------------------------------------------------------------
       
   141 // CMceMsgObject::LocalClose
       
   142 // -----------------------------------------------------------------------------
       
   143 //
       
   144 template <class T>
       
   145 inline void CMceMsgObject<T>::LocalClose()
       
   146     {
       
   147     MCE_DELETE( iObject );
       
   148     }
       
   149     
       
   150 
       
   151 // -----------------------------------------------------------------------------
       
   152 // CMceMsgArray::CMceMsgArray
       
   153 // -----------------------------------------------------------------------------
       
   154 //
       
   155 template <class T>
       
   156 inline CMceMsgArray<T>::CMceMsgArray( T& aFactory )
       
   157   : CMceMsgBase( EMceItcMsgTypeMessageArray ),
       
   158     iFactory( aFactory )
       
   159     {
       
   160     }
       
   161 
       
   162 
       
   163 // -----------------------------------------------------------------------------
       
   164 // CMceMsgArray::~CMceMsgArray
       
   165 // -----------------------------------------------------------------------------
       
   166 //
       
   167 template <class T>
       
   168 inline CMceMsgArray<T>::~CMceMsgArray()
       
   169     {
       
   170     if ( iPushed )
       
   171         {
       
   172         LocalClose();
       
   173         }
       
   174     else
       
   175         {
       
   176         iArray.ResetAndDestroy();
       
   177         iArray.Close();
       
   178         }
       
   179     }
       
   180 
       
   181 // -----------------------------------------------------------------------------
       
   182 // CMceMsgArray::EncodeL
       
   183 // -----------------------------------------------------------------------------
       
   184 //
       
   185 template <class T>
       
   186 inline void CMceMsgArray<T>::EncodeL()
       
   187     {
       
   188     
       
   189     delete iEncodeBuf;
       
   190     iEncodeBuf = NULL;
       
   191 
       
   192 	iEncodeBuf = CBufFlat::NewL( KMceExternalizeBufferExpandSize );
       
   193 
       
   194 	RBufWriteStream writeStream( *iEncodeBuf, 0 );
       
   195 	writeStream.PushL();
       
   196     
       
   197     TInt count = iArray.Count();
       
   198     writeStream.WriteUint32L( count );
       
   199 	for ( TInt i=0; i<count; i++ )
       
   200 	    {
       
   201 	    CMceMsgBase* object = iArray[i];
       
   202         writeStream.WriteUint32L( object->Type() );
       
   203 	    object->EncodeL();
       
   204 	    writeStream.WriteL( object->EncodeBuffer().Ptr( 0 ) );
       
   205 	    }
       
   206 
       
   207 	CleanupStack::PopAndDestroy(); // writeStream
       
   208         
       
   209     }
       
   210 
       
   211 
       
   212 // -----------------------------------------------------------------------------
       
   213 // CMceMsgArray::DoDecodeL
       
   214 // -----------------------------------------------------------------------------
       
   215 //
       
   216 template <class T>
       
   217 inline void CMceMsgArray<T>::DoDecodeL( RReadStream& aReadStream )
       
   218     {
       
   219 
       
   220     TInt count = aReadStream.ReadUint32L();
       
   221 	for ( TInt i=0; i<count; i++ )
       
   222 	    {
       
   223 	    TMceItcDataType type = (TMceItcDataType)aReadStream.ReadUint32L();
       
   224         MMceComSerializationContext serCtx( aReadStream );
       
   225         CleanupClosePushL( serCtx );
       
   226 	    
       
   227 	    CMceMsgBase* object = iFactory.CreateL( type, serCtx );
       
   228 	    CleanupStack::PushL( object );
       
   229 	    object->PushL();
       
   230 	    iArray.AppendL( object );
       
   231 	    object->Pop();
       
   232 	    CleanupStack::Pop( object );
       
   233 
       
   234     	CleanupStack::PopAndDestroy(); // serCtx
       
   235 	    
       
   236 	    
       
   237 	    }
       
   238         
       
   239     }
       
   240 
       
   241 
       
   242 // -----------------------------------------------------------------------------
       
   243 // CMceMsgArray::Close
       
   244 // -----------------------------------------------------------------------------
       
   245 //
       
   246 template <class T>
       
   247 inline void CMceMsgArray<T>::Close()
       
   248     {
       
   249 	for ( TInt i=0; i<iArray.Count();i++)
       
   250 	    {
       
   251 	    iArray[ i ]->Close();
       
   252 	    }
       
   253 	    
       
   254     iArray.ResetAndDestroy();
       
   255     iArray.Close();
       
   256     
       
   257     }
       
   258 
       
   259 // -----------------------------------------------------------------------------
       
   260 // CMceMsgArray::LocalClose
       
   261 // -----------------------------------------------------------------------------
       
   262 //
       
   263 template <class T>
       
   264 inline void CMceMsgArray<T>::LocalClose()
       
   265     {
       
   266 	for ( TInt i=0; i<iArray.Count();i++)
       
   267 	    {
       
   268 	    iArray[ i ]->Close();
       
   269 	    }
       
   270 	    
       
   271     iArray.ResetAndDestroy();
       
   272     iArray.Close();
       
   273     
       
   274     }
       
   275 
       
   276 // -----------------------------------------------------------------------------
       
   277 // TMceSessionSerializer::TMceSessionSerializer
       
   278 // -----------------------------------------------------------------------------
       
   279 //
       
   280 template <class T>
       
   281 inline TMceSessionSerializer<T>::TMceSessionSerializer( T& aSession )
       
   282   : iSession( aSession ),
       
   283     iFlatData( NULL )
       
   284     {
       
   285 		iFlatData = static_cast<CMceComSession*>(&aSession);
       
   286     }
       
   287 
       
   288 // -----------------------------------------------------------------------------
       
   289 // TMceSessionSerializer::TMceSessionSerializer
       
   290 // -----------------------------------------------------------------------------
       
   291 //
       
   292 template <class T>
       
   293 inline TMceSessionSerializer<T>::TMceSessionSerializer( T& aSession, 
       
   294                                                         CMceComSession* aFlatData )
       
   295   : iSession( aSession ),
       
   296     iFlatData( aFlatData )
       
   297     {
       
   298     }
       
   299 
       
   300 
       
   301 
       
   302 // -----------------------------------------------------------------------------
       
   303 // TMceSessionSerializer::InternalizeL
       
   304 // -----------------------------------------------------------------------------
       
   305 //
       
   306 template <class T>
       
   307 inline void TMceSessionSerializer<T>::InternalizeL( MMceComSerializationContext& aSerCtx )
       
   308     {
       
   309     RReadStream& readStream = aSerCtx.ReadStream();
       
   310     
       
   311     iFlatData->InternalizeFlatL( readStream );
       
   312     
       
   313     //streams
       
   314     TUint32 streamCount = readStream.ReadUint32L();
       
   315     TUint32 i = 0;
       
   316     for( i = 0; i<streamCount; i++)
       
   317         {
       
   318         
       
   319         iSession.T::AddStreamL( 
       
   320             iSession.BaseFactory().MediaStreamFactory().CreateLC( aSerCtx ) );
       
   321             
       
   322         CleanupStack::Pop();
       
   323         }
       
   324 
       
   325     //bundles
       
   326     TUint32 bundleCount = readStream.ReadUint32L();
       
   327     for( i = 0; i<bundleCount; i++)
       
   328         {
       
   329         
       
   330         iSession.AddBundleL( 
       
   331             iSession.BaseFactory().CreateBundleLC( iSession, aSerCtx ) );
       
   332             
       
   333         CleanupStack::Pop();
       
   334         }
       
   335     
       
   336     }
       
   337     
       
   338 // -----------------------------------------------------------------------------
       
   339 // TMceSessionSerializer::ExternalizeL
       
   340 // -----------------------------------------------------------------------------
       
   341 //
       
   342 template <class T>
       
   343 inline void TMceSessionSerializer<T>::ExternalizeL( MMceComSerializationContext& aSerCtx )
       
   344     {
       
   345     RWriteStream& writeStream = aSerCtx.WriteStream();
       
   346     
       
   347     iFlatData->ExternalizeFlatL( writeStream );
       
   348     
       
   349     
       
   350     TInt streams = iSession.Streams().Count();
       
   351     writeStream.WriteUint32L( streams );
       
   352     TInt i = 0;
       
   353     for( i=0; i<streams; i++)
       
   354         {
       
   355         iSession.Streams()[ i ]->ExternalizeL( aSerCtx );
       
   356         }
       
   357         
       
   358     TInt bundles = iSession.Bundles().Count();
       
   359     writeStream.WriteUint32L( bundles );
       
   360     for( i=0; i<bundles; i++)
       
   361         {
       
   362         iSession.Bundles()[ i ]->ExternalizeL( aSerCtx );
       
   363         }
       
   364         
       
   365     }
       
   366     
       
   367     
       
   368     
       
   369     
       
   370     
       
   371     
       
   372 
       
   373 
       
   374 // -----------------------------------------------------------------------------
       
   375 // TMceMediaStreamSerializer::TMceMediaStreamSerializer
       
   376 // -----------------------------------------------------------------------------
       
   377 //
       
   378 template <class T>
       
   379 TMceMediaStreamSerializer<T>::TMceMediaStreamSerializer( T& aStream )
       
   380   : iStream( aStream ),
       
   381     iFlatData( NULL )
       
   382     {
       
   383     iFlatData = static_cast<CMceComMediaStream*>(&aStream);
       
   384     }
       
   385 
       
   386 // -----------------------------------------------------------------------------
       
   387 // TMceMediaStreamSerializer::TMceMediaStreamSerializer
       
   388 // -----------------------------------------------------------------------------
       
   389 //
       
   390 template <class T>
       
   391 TMceMediaStreamSerializer<T>::TMceMediaStreamSerializer( T& aStream, 
       
   392                                                    CMceComMediaStream* aFlatData )
       
   393   : iStream( aStream ),
       
   394     iFlatData( aFlatData )
       
   395     {
       
   396     }
       
   397 
       
   398 
       
   399 
       
   400 // -----------------------------------------------------------------------------
       
   401 // TMceMediaStreamSerializer::InternalizeL
       
   402 // -----------------------------------------------------------------------------
       
   403 //
       
   404 template <class T>
       
   405 void TMceMediaStreamSerializer<T>::InternalizeL( MMceComSerializationContext& aSerCtx )
       
   406     {
       
   407     RReadStream& readStream = aSerCtx.ReadStream();
       
   408     iFlatData->InternalizeFlatL( readStream );
       
   409     
       
   410     //linked stream
       
   411     if ( iStream.Binder() )
       
   412         {
       
   413         iStream.BindL( static_cast<T*> (
       
   414             iStream.BaseFactory().MediaStreamFactory().CreateLC( aSerCtx ) ) );
       
   415         CleanupStack::Pop();
       
   416         }
       
   417         
       
   418     //source
       
   419     TBool isSource = static_cast<TBool>( readStream.ReadUint8L() );
       
   420     if ( isSource )
       
   421         {
       
   422         iStream.SetSourceL( aSerCtx );
       
   423         }
       
   424             
       
   425     //sinks            
       
   426     TUint32 sinkCount = readStream.ReadUint32L();
       
   427     for( TUint i=0;i<sinkCount;i++)
       
   428         {
       
   429         iStream.AddSinkL( aSerCtx );
       
   430         }
       
   431     }
       
   432     
       
   433 // -----------------------------------------------------------------------------
       
   434 // TMceMediaStreamSerializer::ExternalizeL
       
   435 // -----------------------------------------------------------------------------
       
   436 //
       
   437 template <class T>
       
   438 void TMceMediaStreamSerializer<T>::ExternalizeL( MMceComSerializationContext& aSerCtx )
       
   439     {
       
   440     
       
   441     RWriteStream& writeStream = aSerCtx.WriteStream();
       
   442     iFlatData->ExternalizeFlatL( writeStream );
       
   443     
       
   444     
       
   445     //linked stream
       
   446     if ( iStream.Binder() && iStream.BoundStream() )
       
   447         {
       
   448         iStream.BoundStreamL().ExternalizeL( aSerCtx );
       
   449         }
       
   450 
       
   451     //source
       
   452     writeStream.WriteUint8L( iStream.Source() ? ETrue : EFalse );
       
   453     if ( iStream.Source() )
       
   454         {
       
   455         TBool externalizedReference = aSerCtx.IsCached( iStream.Source() );
       
   456 	    writeStream.WriteUint8L( externalizedReference );
       
   457         if ( externalizedReference )
       
   458             {
       
   459             MceSerial::EncodeL( iStream.Source()->Id(), writeStream );
       
   460             }
       
   461         else
       
   462             {
       
   463             iStream.Source()->ExternalizeL( aSerCtx );
       
   464             aSerCtx.SourceCache().AppendL( iStream.Source() );
       
   465             }
       
   466         }
       
   467 
       
   468 
       
   469     //sinks            
       
   470     TUint32 sinkCount = iStream.Sinks().Count();
       
   471     writeStream.WriteUint32L( sinkCount );
       
   472     for( TUint i=0;i<sinkCount;i++)
       
   473         {
       
   474         TBool externalizedReference = aSerCtx.IsCached( iStream.Sinks()[i] );
       
   475 	    writeStream.WriteUint8L( externalizedReference );
       
   476         if ( externalizedReference )
       
   477             {
       
   478             MceSerial::EncodeL( iStream.Sinks()[i]->Id(), writeStream );
       
   479             }
       
   480         else
       
   481             {
       
   482             iStream.Sinks()[i]->ExternalizeL( aSerCtx );
       
   483             aSerCtx.SinkCache().AppendL( iStream.Sinks()[i] );
       
   484             }
       
   485         }
       
   486     
       
   487     }
       
   488 
       
   489 
       
   490 
       
   491 
       
   492 
       
   493 // -----------------------------------------------------------------------------
       
   494 // TMceAudioStreamSerializer::TMceAudioStreamSerializer
       
   495 // -----------------------------------------------------------------------------
       
   496 //
       
   497 template <class T>
       
   498 inline TMceAudioStreamSerializer<T>::TMceAudioStreamSerializer( T& aStream )
       
   499   : iAudioStream( aStream )
       
   500     {
       
   501     }
       
   502 
       
   503 
       
   504 
       
   505 // -----------------------------------------------------------------------------
       
   506 // TMceAudioStreamSerializer::InternalizeL
       
   507 // -----------------------------------------------------------------------------
       
   508 //
       
   509 template <class T>
       
   510 inline void TMceAudioStreamSerializer<T>::InternalizeL( MMceComSerializationContext& aSerCtx )
       
   511     {
       
   512     RReadStream& readStream = aSerCtx.ReadStream();
       
   513             
       
   514     //codecs
       
   515     TUint32 codecCount = readStream.ReadUint32L();
       
   516     for( TUint i=0;i<codecCount;i++)
       
   517         {
       
   518         
       
   519         iAudioStream.AddCodecL( 
       
   520             iAudioStream.BaseFactory().AudioCodecFactory().CreateLC( aSerCtx ) );
       
   521             
       
   522         CleanupStack::Pop();
       
   523         }
       
   524     }
       
   525     
       
   526 // -----------------------------------------------------------------------------
       
   527 // TMceAudioStreamSerializer::ExternalizeL
       
   528 // -----------------------------------------------------------------------------
       
   529 //
       
   530 template <class T>
       
   531 inline void TMceAudioStreamSerializer<T>::ExternalizeL( MMceComSerializationContext& aSerCtx )
       
   532     {
       
   533     RWriteStream& writeStream = aSerCtx.WriteStream();
       
   534     
       
   535     //codecs
       
   536     TUint32 codecCount = iAudioStream.Codecs().Count();
       
   537     writeStream.WriteUint32L( codecCount );
       
   538     for( TUint i=0 ; i<codecCount ; ++i)
       
   539         {
       
   540         iAudioStream.Codecs()[i]->ExternalizeL( aSerCtx );
       
   541         }
       
   542     
       
   543     }
       
   544 
       
   545 
       
   546 
       
   547 
       
   548 
       
   549 
       
   550 // -----------------------------------------------------------------------------
       
   551 // TMceVideoStreamSerializer::TMceVideoStreamSerializer
       
   552 // -----------------------------------------------------------------------------
       
   553 //
       
   554 template <class T>
       
   555 inline TMceVideoStreamSerializer<T>::TMceVideoStreamSerializer( T& aStream )
       
   556   : iVideoStream( aStream )
       
   557     {
       
   558     }
       
   559 
       
   560 
       
   561 // -----------------------------------------------------------------------------
       
   562 // TMceVideoStreamSerializer::InternalizeL
       
   563 // -----------------------------------------------------------------------------
       
   564 //
       
   565 template <class T>
       
   566 inline void TMceVideoStreamSerializer<T>::InternalizeL( MMceComSerializationContext& aSerCtx )
       
   567     {
       
   568 
       
   569     RReadStream& readStream = aSerCtx.ReadStream();
       
   570     
       
   571     //codecs
       
   572     TUint32 codecCount = readStream.ReadUint32L();
       
   573     for( TUint i=0;i<codecCount;i++)
       
   574         {
       
   575         
       
   576         iVideoStream.AddCodecL( 
       
   577             iVideoStream.BaseFactory().VideoCodecFactory().CreateLC( aSerCtx ) );
       
   578             
       
   579         CleanupStack::Pop();
       
   580         }
       
   581     }
       
   582     
       
   583 // -----------------------------------------------------------------------------
       
   584 // TMceVideoStreamSerializer::ExternalizeL
       
   585 // -----------------------------------------------------------------------------
       
   586 //
       
   587 template <class T>
       
   588 inline void TMceVideoStreamSerializer<T>::ExternalizeL( MMceComSerializationContext& aSerCtx )
       
   589     {
       
   590     RWriteStream& writeStream = aSerCtx.WriteStream();
       
   591     
       
   592     //codecs
       
   593     TUint32 codecCount = iVideoStream.Codecs().Count();
       
   594     writeStream.WriteUint32L( codecCount );
       
   595     for( TUint i=0;i<codecCount;i++)
       
   596         {
       
   597         iVideoStream.Codecs()[i]->ExternalizeL( aSerCtx );
       
   598         }
       
   599     
       
   600     }