mobilemessaging/msgmedia/src/MmsConformance.cpp
changeset 0 72b543305e3a
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-1:000000000000 0:72b543305e3a
       
     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 *       Resolves the MMS conformance for a Media Info object or a MIME type.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 // INCLUDE FILES
       
    23 #include <e32std.h>
       
    24 #include <e32base.h> // CBase
       
    25 
       
    26 #include <centralrepository.h>    // link against centralrepository.lib
       
    27 #include <MmsEngineInternalCRKeys.h> // for Central Repository keys
       
    28 #include <mmsversion.h>
       
    29 #include <messaginginternalcrkeys.h> // for Central Repository keys, Messaging Uis.
       
    30 
       
    31 #include <charconv.h>
       
    32 
       
    33 // Features
       
    34 #include <featmgr.h>    
       
    35 #include <bldvariant.hrh>
       
    36 #include <messagingvariant.hrh>
       
    37 
       
    38 // FW Declaration missing from "FileProtectionResolver.h"! Remove when fixed!
       
    39 class RFile;
       
    40 #include <fileprotectionresolver.h>
       
    41 
       
    42 #include "MmsConformance.h"
       
    43 
       
    44 #include "MsgMedia.hrh"
       
    45 #include "MsgMediaPanic.h"
       
    46 #include "MsgMediaInfo.h"
       
    47 #include "MsgImageInfo.h"
       
    48 #include "MsgAudioInfo.h"
       
    49 #include "MsgTextInfo.h"
       
    50 #include "MsgVideoInfo.h"
       
    51 #include "MsgMimeTypes.h"
       
    52 
       
    53 // EXTERNAL DATA STRUCTURES
       
    54 
       
    55 // EXTERNAL FUNCTION PROTOTYPES  
       
    56 
       
    57 // CONSTANTS
       
    58 
       
    59 
       
    60 const TInt      KDefaultMaxSendSize = 3 * 102400;
       
    61 
       
    62 // Not in use currently:
       
    63 /*
       
    64 * const TInt      KMmsVideoBitRateLimit       = 64000;
       
    65 * const TReal32   KMmsVideoFrameRateLimit     = 15;
       
    66 */
       
    67 
       
    68 // MACROS
       
    69 
       
    70 // LOCAL CONSTANTS AND MACROS
       
    71 
       
    72 // MODULE DATA STRUCTURES
       
    73 
       
    74 // LOCAL FUNCTION PROTOTYPES
       
    75 
       
    76 // FORWARD DECLARATIONS
       
    77 
       
    78 // ============================ MEMBER FUNCTIONS ===============================
       
    79 
       
    80 
       
    81 
       
    82 // -----------------------------------------------------------------------------
       
    83 // Factory
       
    84 // -----------------------------------------------------------------------------
       
    85 //
       
    86 EXPORT_C CMmsConformance* CMmsConformance::NewLC()
       
    87     {
       
    88     CMmsConformance* self = new ( ELeave ) CMmsConformance();
       
    89     CleanupStack::PushL( self );
       
    90     self->ConstructL();
       
    91     return self;
       
    92     }
       
    93          
       
    94 // -----------------------------------------------------------------------------
       
    95 // Factory
       
    96 // -----------------------------------------------------------------------------
       
    97 //
       
    98 EXPORT_C CMmsConformance* CMmsConformance::NewL()
       
    99     {
       
   100     CMmsConformance* self = NewLC();
       
   101     CleanupStack::Pop( self );
       
   102     return self;
       
   103     }
       
   104 
       
   105 // -----------------------------------------------------------------------------
       
   106 // C++ constructor
       
   107 // -----------------------------------------------------------------------------
       
   108 //
       
   109 CMmsConformance::CMmsConformance() :
       
   110     iMmsVersion( KMmsDefaultVersion )
       
   111     {
       
   112     iResolverFlags |= ECheckCharacterSet;
       
   113     }
       
   114 
       
   115 // -----------------------------------------------------------------------------
       
   116 // Destructor
       
   117 // -----------------------------------------------------------------------------
       
   118 //
       
   119 CMmsConformance::~CMmsConformance()
       
   120     {
       
   121     iMediaInfo = NULL;
       
   122     }
       
   123 
       
   124 // -----------------------------------------------------------------------------
       
   125 // 2nd phase constructor
       
   126 // -----------------------------------------------------------------------------
       
   127 //
       
   128 void CMmsConformance::ConstructL()
       
   129     {
       
   130     FeatureManager::InitializeLibL();
       
   131     if ( FeatureManager::FeatureSupported( KFeatureIdDrmFull ) )
       
   132         {
       
   133         iResolverFlags |= EDrmFeatureFull;
       
   134         }
       
   135     FeatureManager::UnInitializeLib();
       
   136 
       
   137     // TODO: Change to use MMS engine flag on this
       
   138     // NOTE: From MmsConformance point of view "free" and "warning" modes are just like
       
   139     iMaxSendSize = KDefaultMaxSendSize;
       
   140 
       
   141     CRepository* repository = CRepository::NewL( KCRUidMmsEngine );
       
   142     TInt maxSendSize = 0;
       
   143    	TInt err = repository->Get( KMmsEngineMaximumSendSize, maxSendSize );
       
   144     if ( !err )
       
   145         {
       
   146         iMaxSendSize = maxSendSize;
       
   147         }
       
   148     TInt imgWidth = 0;
       
   149     TInt imgHeight = 0;
       
   150     err = repository->Get( KMmsEngineImageWidth, imgWidth );
       
   151     if ( !err )
       
   152         {
       
   153         err = repository->Get( KMmsEngineImageHeight, imgHeight );
       
   154         }
       
   155     if ( !err )
       
   156         {
       
   157         iSettingsImageSize.iWidth = imgWidth;
       
   158         iSettingsImageSize.iHeight = imgHeight;
       
   159         }
       
   160     TInt mmsVersion = KMmsDefaultVersion;
       
   161     err = repository->Get( KMmsOmaEncapsulationVersion, mmsVersion );
       
   162     if ( !err )
       
   163         {
       
   164         iMmsVersion = (TUint8)mmsVersion;
       
   165         }
       
   166         
       
   167     TInt creationMode = 0;
       
   168     repository->Get( KMmsEngineCreationMode, creationMode );
       
   169     if ( creationMode == 0 )
       
   170         {
       
   171         iResolverFlags |= ECreationModeRestricted;
       
   172         }
       
   173     delete repository;
       
   174     repository = NULL;
       
   175     
       
   176     // Read Local Variation flags
       
   177     TInt featureBitmask = 0;
       
   178     repository = CRepository::NewL( KCRUidMuiuVariation );
       
   179     repository->Get( KMuiuMmsFeatures, featureBitmask );
       
   180     if ( featureBitmask & KMmsFeatureId3gpp2MediaSupport )
       
   181         {
       
   182         iResolverFlags |= EMms3gpp2Mode;
       
   183         }
       
   184     if ( featureBitmask & KMmsFeatureIdUserCreationMode )
       
   185         {
       
   186         iResolverFlags |= ECreationModeUserChangeable;
       
   187         }
       
   188     delete repository;
       
   189     }
       
   190 
       
   191 // -----------------------------------------------------------------------------
       
   192 // CMmsConformance::DoResolveFileL
       
   193 // -----------------------------------------------------------------------------
       
   194 //
       
   195 EXPORT_C TBool CMmsConformance::IsConformantMime( const TPtrC8& aMimeType )
       
   196     {
       
   197     LocalFuncPtr funcPtr = ResolveFunction( aMimeType );
       
   198     return ( funcPtr != ResolveNonconformantAttachment );
       
   199     }
       
   200 
       
   201 // -----------------------------------------------------------------------------
       
   202 // CMmsConformance::DoResolveFileL
       
   203 // -----------------------------------------------------------------------------
       
   204 //
       
   205 EXPORT_C TMmsConformance CMmsConformance::MediaConformance( CMsgMediaInfo& aMediaInfo )
       
   206     {
       
   207     iMediaInfo = &aMediaInfo;
       
   208     iConformance.iConfClass = EMmsClassUnclassified;
       
   209     iConformance.iConfStatus = EMmsConfOk;
       
   210     iConformance.iCanAdapt = EFalse;
       
   211     
       
   212     CheckDRMStatus();
       
   213     
       
   214     if ( iMediaInfo->Corrupt() )
       
   215         {
       
   216         iConformance.iConfStatus |= EMmsConfNokCorrupt;
       
   217         }
       
   218         
       
   219     LocalFuncPtr funcPtr = ResolveFunction( iMediaInfo->MimeType() );
       
   220     (this->*funcPtr)();
       
   221 
       
   222     // "Free mode only" media is not supported in restricted mode.
       
   223     if ( ( iResolverFlags & ECreationModeRestricted ) &&
       
   224          ( iConformance.iConfStatus & EMmsConfNokFreeModeOnly ) )
       
   225         {
       
   226         iConformance.iConfStatus |= EMmsConfNokNotSupported;
       
   227         }
       
   228 
       
   229     return iConformance;
       
   230     }
       
   231 
       
   232 // -----------------------------------------------------------------------------
       
   233 // CMmsConformance::ConformanceVersionL
       
   234 // -----------------------------------------------------------------------------
       
   235 //
       
   236 EXPORT_C TUint8 CMmsConformance::ConformanceVersionL()
       
   237     {
       
   238     CRepository* repository = CRepository::NewL( KCRUidMmsEngine );
       
   239     CleanupStack::PushL( repository );
       
   240     
       
   241     TInt result = KMmsDefaultVersion;
       
   242     User::LeaveIfError( repository->Get( KMmsOmaEncapsulationVersion, result ) );
       
   243     
       
   244     CleanupStack::PopAndDestroy( repository );
       
   245     
       
   246     return (TUint8)result;
       
   247     }
       
   248 
       
   249 // -----------------------------------------------------------------------------
       
   250 // CMmsConformance::CheckDRMStatus
       
   251 // -----------------------------------------------------------------------------
       
   252 //
       
   253 void CMmsConformance::CheckDRMStatus()
       
   254     {
       
   255     if ( iMediaInfo->Protection() & EFileProtSuperDistributable )
       
   256         {
       
   257         if ( iResolverFlags & EDrmFeatureFull )
       
   258             {
       
   259             if ( iMmsVersion <= KMmsVersion12 )
       
   260                 {
       
   261                 iConformance.iConfStatus |= EMmsConfNokFreeModeOnly;
       
   262                 }
       
   263             // else -> allowed also in Restricted mode since OMA MMS 1.3
       
   264             }
       
   265         else
       
   266             {
       
   267             // super distribution not supported
       
   268             iConformance.iConfStatus |= EMmsConfNokDRM;
       
   269             }
       
   270         }
       
   271     else if ( iMediaInfo->Protection() & ( EFileProtClosedContent | EFileProtForwardLocked ) )
       
   272         {
       
   273         iConformance.iConfStatus |= EMmsConfNokDRM;
       
   274         }
       
   275     }
       
   276 
       
   277 
       
   278 // -----------------------------------------------------------------------------
       
   279 // CMmsConformance::ResolveFunction
       
   280 // -----------------------------------------------------------------------------
       
   281 //
       
   282 LocalFuncPtr CMmsConformance::ResolveFunction( const TPtrC8& aMimeType )
       
   283     {
       
   284     LocalFuncPtr funcPtr = NULL;
       
   285     //Resolve conf. status according to recognized MIME type
       
   286     if ( aMimeType.CompareF( KMsgMimeTextPlain ) == 0 )
       
   287         {
       
   288         funcPtr = CMmsConformance::ResolveTextPlain;
       
   289         }
       
   290     else if ( iMmsVersion > KMmsVersion12 &&
       
   291               aMimeType.CompareF( KMsgMimeTextXhtml ) == 0 )
       
   292         {
       
   293         funcPtr = ResolveTextXhtml;
       
   294         }
       
   295     else if ( aMimeType.CompareF( KMsgMimeAudioAmr ) == 0 )
       
   296         {
       
   297         funcPtr = ResolveAudioAmr;
       
   298         }
       
   299     else if ( aMimeType.CompareF( KMsgMimeAudioSpMidi ) == 0 )
       
   300         {
       
   301         funcPtr = ResolveAudioSpMidi;
       
   302         }
       
   303     else if ( aMimeType.CompareF( KMsgMimeImageJpeg ) == 0 )
       
   304         {
       
   305         funcPtr = ResolveImageJpeg;
       
   306         }
       
   307     else if ( aMimeType.CompareF( KMsgMimeImageGif ) == 0 )
       
   308         {
       
   309         funcPtr = ResolveImageGif;
       
   310         }
       
   311     else if ( aMimeType.CompareF( KMsgMimeImageWbmp ) == 0 )
       
   312         {
       
   313         funcPtr = ResolveImageWbmp;
       
   314         }
       
   315     else if ( aMimeType.CompareF( KMsgMimeImagePng ) == 0 )
       
   316         {
       
   317         funcPtr = ResolveImagePng;
       
   318         }
       
   319     else if (!( iResolverFlags & EMms3gpp2Mode ) &&
       
   320     		  ( aMimeType.CompareF( KMsgMimeVideo3gpp ) == 0  ) )
       
   321         {
       
   322         funcPtr = ResolveVideo3gpp;
       
   323         }
       
   324     else if ( ( iResolverFlags & EMms3gpp2Mode ) &&
       
   325     		  ( aMimeType.CompareF( KMsgMimeVideo3gpp2 ) == 0  ) )
       
   326         {
       
   327         funcPtr = ResolveVideo3gpp2;
       
   328         }
       
   329     else if ( aMimeType.CompareF( KMsgMimeVCard ) == 0 ||
       
   330               aMimeType.CompareF( KMsgMimeVCal ) == 0 )
       
   331         {
       
   332         funcPtr = ResolveAttachment;
       
   333         }
       
   334     else
       
   335         {
       
   336         funcPtr = ResolveNonconformantAttachment;
       
   337         }
       
   338    return funcPtr;
       
   339    }
       
   340 
       
   341 
       
   342 // -----------------------------------------------------------------------------
       
   343 // CMmsConformance::ResolveTextPlain
       
   344 // -----------------------------------------------------------------------------
       
   345 //
       
   346 void CMmsConformance::ResolveTextPlain()
       
   347     {
       
   348     if ( iMediaInfo->MediaType() == EMsgMediaText )
       
   349         {
       
   350         if ( CheckFileSize() )
       
   351             {
       
   352             if ( iResolverFlags & ECheckCharacterSet )
       
   353                 {
       
   354                 CMsgTextInfo* info = static_cast<CMsgTextInfo*>( iMediaInfo );
       
   355                 if ( !( info->CharacterSet() == KCharacterSetIdentifierUtf8 ||
       
   356                     info->CharacterSet() == KCharacterSetIdentifierAscii ) )
       
   357                     {
       
   358                     iConformance.iConfClass = EMmsClassUnclassified;
       
   359                     iConformance.iConfStatus |= EMmsConfNokConversionNeeded;
       
   360                     }
       
   361                 }
       
   362             if ( iMediaInfo->Protection() == EFileProtNoProtection )
       
   363                 {
       
   364                 // Conversion of protected files is forbidden!
       
   365                 iConformance.iCanAdapt = ETrue;
       
   366                 }
       
   367             }
       
   368         }
       
   369     else
       
   370         {
       
   371         // Not initialized as "Text" media file. 
       
   372         // Maybe corrupted file
       
   373         iConformance.iConfClass = EMmsClassUnclassified;
       
   374         iConformance.iConfStatus |= EMmsConfNokCorrupt;
       
   375         }
       
   376     }
       
   377 
       
   378 // -----------------------------------------------------------------------------
       
   379 // CMmsConformance::ResolveTextXhtml
       
   380 // -----------------------------------------------------------------------------
       
   381 //
       
   382 void CMmsConformance::ResolveTextXhtml()
       
   383     {
       
   384     CheckFileSize();
       
   385     }
       
   386 
       
   387 // -----------------------------------------------------------------------------
       
   388 // CMmsConformance::ResolveAudioAmr
       
   389 // -----------------------------------------------------------------------------
       
   390 //
       
   391 void CMmsConformance::ResolveAudioAmr()
       
   392     {
       
   393     if ( iMediaInfo->MediaType() == EMsgMediaAudio )
       
   394         {
       
   395         if ( CheckFileSize() )
       
   396             {
       
   397             if ( !iMediaInfo->Parsed() )
       
   398                 {
       
   399                 iConformance.iConfClass = EMmsClassUnclassified;
       
   400                 iConformance.iConfStatus |= EMmsConfNokFreeModeOnly;
       
   401                 }
       
   402             else if ( iConformance.iConfClass == EMmsClassText )
       
   403                 {
       
   404                 // Text class set by CheckFileSize
       
   405                 // -> Move to image basic
       
   406                 iConformance.iConfClass = EMmsClassImageBasic;
       
   407                 }
       
   408             }
       
   409         }
       
   410     else
       
   411         {
       
   412         // Not initialized as "Audio" media file. 
       
   413         // Maybe corrupted file
       
   414         iConformance.iConfClass = EMmsClassUnclassified;
       
   415         iConformance.iConfStatus |= EMmsConfNokCorrupt;
       
   416         }
       
   417     }
       
   418 
       
   419 // -----------------------------------------------------------------------------
       
   420 // CMmsConformance::ResolveAudioSpMidi
       
   421 // -----------------------------------------------------------------------------
       
   422 //
       
   423 void CMmsConformance::ResolveAudioSpMidi()
       
   424     {
       
   425     if ( iMediaInfo->MediaType() == EMsgMediaAudio )
       
   426         {
       
   427         if ( CheckFileSize() )
       
   428             {
       
   429             if ( !iMediaInfo->Parsed() )
       
   430                 {
       
   431                 iConformance.iConfClass = EMmsClassUnclassified;
       
   432                 iConformance.iConfStatus |= EMmsConfNokFreeModeOnly;
       
   433                 }
       
   434             else if ( iConformance.iConfClass == EMmsClassText )
       
   435                 {
       
   436                 // Text class set by CheckFileSize
       
   437                 // -> Move to image rich
       
   438                 iConformance.iConfClass = EMmsClassImageRich;
       
   439                 }
       
   440             }
       
   441         }
       
   442     else
       
   443         {
       
   444         // Not initialized as "Audio" media file. 
       
   445         // Maybe corrupted file
       
   446         iConformance.iConfClass = EMmsClassUnclassified;
       
   447         iConformance.iConfStatus |= EMmsConfNokCorrupt;
       
   448         }
       
   449     }
       
   450 
       
   451 // -----------------------------------------------------------------------------
       
   452 // CMmsConformance::ResolveImageJpeg
       
   453 // -----------------------------------------------------------------------------
       
   454 //
       
   455 void CMmsConformance::ResolveImageJpeg()
       
   456     {
       
   457     CheckImageSize();
       
   458     if ( iMediaInfo->Protection() == EFileProtNoProtection )
       
   459         {
       
   460         // Scaling (or "compressing") of Jpeg files
       
   461         // is always possible (unless DRM protected).
       
   462         iConformance.iCanAdapt = ETrue;
       
   463         }
       
   464     
       
   465     // TODO:
       
   466     //
       
   467     // Baseline check in restricted mode only?
       
   468     //
       
   469     //if ( CheckImageSize() )
       
   470     //    {
       
   471     //    if ( !IsBaselineJpeg() )
       
   472     //        {
       
   473     //        iConformance.iConfClass = EMmsClassUnclassified;
       
   474     //        iConformance.iConfStatus |= EMmsConfNokConversionNeeded;
       
   475     //        }
       
   476     //    }
       
   477     }
       
   478 
       
   479 // -----------------------------------------------------------------------------
       
   480 // CMmsConformance::ResolveImageGif
       
   481 // -----------------------------------------------------------------------------
       
   482 //
       
   483 void CMmsConformance::ResolveImageGif()
       
   484     {
       
   485     if ( CheckImageSize() )
       
   486         {
       
   487         CMsgImageInfo* info = static_cast<CMsgImageInfo*>( iMediaInfo );
       
   488         if ( info->IsAnimation() || info->IsTransparent() )
       
   489             {
       
   490             // Cannot scale animated nor transparent gifs
       
   491             iConformance.iCanAdapt = EFalse;
       
   492             }
       
   493         }
       
   494     }
       
   495 
       
   496 // -----------------------------------------------------------------------------
       
   497 // CMmsConformance::ResolveImageWbmp
       
   498 // -----------------------------------------------------------------------------
       
   499 //
       
   500 void CMmsConformance::ResolveImageWbmp()
       
   501     {
       
   502     CheckImageSize();
       
   503     }
       
   504 
       
   505 // -----------------------------------------------------------------------------
       
   506 // CMmsConformance::ResolveImagePng
       
   507 // -----------------------------------------------------------------------------
       
   508 //
       
   509 void CMmsConformance::ResolveImagePng()
       
   510     {
       
   511     CheckImageSize();
       
   512     iConformance.iConfClass = EMmsClassUnclassified;
       
   513     iConformance.iConfStatus |= EMmsConfNokConversionNeeded;
       
   514     if ( iMediaInfo->Protection() == EFileProtNoProtection )
       
   515         {
       
   516         // Conversion of protected files is forbidden!
       
   517         iConformance.iCanAdapt = ETrue;
       
   518         }
       
   519     }
       
   520 
       
   521 // -----------------------------------------------------------------------------
       
   522 // CMmsConformance::ResolveVideo3gpp
       
   523 // -----------------------------------------------------------------------------
       
   524 //
       
   525 void CMmsConformance::ResolveVideo3gpp()
       
   526     {
       
   527     if ( iMediaInfo->MediaType() == EMsgMediaVideo )
       
   528         {
       
   529         if ( CheckFileSize() )
       
   530             {
       
   531             if ( !iMediaInfo->Parsed() )
       
   532                 {
       
   533                 iConformance.iConfClass = EMmsClassUnclassified;
       
   534                 iConformance.iConfStatus |= EMmsConfNokFreeModeOnly;
       
   535                 }
       
   536             else if ( iConformance.iConfClass == EMmsClassText ||
       
   537                 iConformance.iConfClass == EMmsClassImageBasic ||
       
   538                 iConformance.iConfClass == EMmsClassImageRich )
       
   539                 {
       
   540                 iConformance.iConfClass = EMmsClassVideoBasic;
       
   541                 }
       
   542 
       
   543             CMsgVideoInfo* info = static_cast<CMsgVideoInfo*>( iMediaInfo );
       
   544 
       
   545             // TODO: Check that video codec is H.263?
       
   546             // TODO: Check that audio codec is AMR?
       
   547 
       
   548             // TODO: Really check bit rate & frame rate?
       
   549             //       -> Camcorder video clips fail because
       
   550             //          of these checks!
       
   551 
       
   552             TSize QCIFSize( KMmsQCIFSizeWidth, KMmsQCIFSizeHeight );
       
   553             TSize SubQCIFSize( KMmsSubQCIFSizeWidth, KMmsSubQCIFSizeHeight );
       
   554 
       
   555             if ( ( ( info->Dimensions() != QCIFSize ) &&
       
   556                  ( info->Dimensions() != SubQCIFSize ) ) )
       
   557                 {
       
   558                 iConformance.iConfClass = EMmsClassUnclassified;
       
   559                 iConformance.iConfStatus |= EMmsConfNokFreeModeOnly;
       
   560                 }
       
   561             /*
       
   562             if ( ( ( info->Dimensions() != QCIFSize ) &&
       
   563                  ( info->Dimensions() != SubQCIFSize ) ) ||
       
   564                  info->VideoBitRate() > KMmsVideoBitRateLimit ||
       
   565                  info->VideoFrameRate() >= KMmsVideoFrameRateLimit )
       
   566                 {
       
   567                 iConformance.iConfClass = EMmsClassUnclassified;
       
   568                 iConformance.iConfStatus |= EMmsConfNokFreeModeOnly;
       
   569                 }
       
   570             */
       
   571             }
       
   572         }
       
   573     else
       
   574         {
       
   575         // Not initialized as "Video" media file. 
       
   576         // Maybe corrupted file
       
   577         iConformance.iConfClass = EMmsClassUnclassified;
       
   578         iConformance.iConfStatus |= EMmsConfNokCorrupt;
       
   579         }
       
   580     }
       
   581 
       
   582 // -----------------------------------------------------------------------------
       
   583 // CMmsConformance::ResolveVideo3gpp2
       
   584 // -----------------------------------------------------------------------------
       
   585 //
       
   586 void CMmsConformance::ResolveVideo3gpp2()
       
   587     {
       
   588     if ( iMediaInfo->MediaType() == EMsgMediaVideo )
       
   589         {
       
   590         if ( CheckFileSize() )
       
   591             {
       
   592             if ( !iMediaInfo->Parsed() )
       
   593                 {
       
   594                 iConformance.iConfClass = EMmsClassUnclassified;
       
   595                 iConformance.iConfStatus |= EMmsConfNokFreeModeOnly;
       
   596                 }
       
   597             else if ( iConformance.iConfClass == EMmsClassText ||
       
   598                 iConformance.iConfClass == EMmsClassImageBasic ||
       
   599                 iConformance.iConfClass == EMmsClassImageRich )
       
   600                 {
       
   601                 iConformance.iConfClass = EMmsClassVideoBasic;
       
   602                 }
       
   603 
       
   604             CMsgVideoInfo* info = static_cast<CMsgVideoInfo*>( iMediaInfo );
       
   605 
       
   606             // TODO: Check that video codec is H.263 or MPEG4
       
   607             // TODO: Check that audio codec is AMR
       
   608 
       
   609             // TODO: Really check bit rate & frame rate?
       
   610             //       -> Camcorder video clips fail because
       
   611             //          of these checks!
       
   612 
       
   613             TSize QCIFSize( KMmsQCIFSizeWidth, KMmsQCIFSizeHeight );
       
   614             TSize SubQCIFSize( KMmsSubQCIFSizeWidth, KMmsSubQCIFSizeHeight );
       
   615 
       
   616             if ( ( ( info->Dimensions() != QCIFSize ) &&
       
   617                  ( info->Dimensions() != SubQCIFSize ) ) )
       
   618                 {
       
   619                 iConformance.iConfClass = EMmsClassUnclassified;
       
   620                 iConformance.iConfStatus |= EMmsConfNokFreeModeOnly;
       
   621                 }
       
   622             /*
       
   623             if ( ( ( info->Dimensions() != QCIFSize ) &&
       
   624                  ( info->Dimensions() != SubQCIFSize ) ) ||
       
   625                  info->VideoBitRate() > KMmsVideoBitRateLimit ||
       
   626                  info->VideoFrameRate() >= KMmsVideoFrameRateLimit )
       
   627                 {
       
   628                 iConformance.iConfClass = EMmsClassUnclassified;
       
   629                 iConformance.iConfStatus |= EMmsConfNokFreeModeOnly;
       
   630                 }
       
   631             */
       
   632             }
       
   633         }
       
   634     else
       
   635         {
       
   636         // Not initialized as "Video" media file. 
       
   637         // Maybe corrupted file
       
   638         iConformance.iConfClass = EMmsClassUnclassified;
       
   639         iConformance.iConfStatus |= EMmsConfNokCorrupt;
       
   640         }
       
   641     }
       
   642 
       
   643 // -----------------------------------------------------------------------------
       
   644 // CMmsConformance::ResolveAttachment
       
   645 // -----------------------------------------------------------------------------
       
   646 //
       
   647 void CMmsConformance::ResolveAttachment()
       
   648     {
       
   649     CheckFileSize();
       
   650     }
       
   651 
       
   652 // -----------------------------------------------------------------------------
       
   653 // CMmsConformance::ResolveNonconformantAttachment
       
   654 // -----------------------------------------------------------------------------
       
   655 //
       
   656 void CMmsConformance::ResolveNonconformantAttachment()
       
   657     {
       
   658     ResolveAttachment();
       
   659     iConformance.iConfClass = EMmsClassUnclassified;
       
   660     iConformance.iConfStatus |= EMmsConfNokFreeModeOnly;
       
   661     }
       
   662 
       
   663 // -----------------------------------------------------------------------------
       
   664 // CMmsConformance::CheckFileSize
       
   665 // -----------------------------------------------------------------------------
       
   666 //
       
   667 TBool CMmsConformance::CheckFileSize()
       
   668     {
       
   669     __ASSERT_DEBUG( iMediaInfo, MsgMediaPanic( EMsgMediaNullPointer ) );
       
   670 
       
   671     if ( iMediaInfo->FileSize() <= KClassMaxSizeText )
       
   672         {
       
   673         iConformance.iConfClass = EMmsClassText;
       
   674         }
       
   675     else if ( iMediaInfo->FileSize() <= KClassMaxSizeImageRich )
       
   676         {
       
   677         iConformance.iConfClass = EMmsClassImageRich;
       
   678         }
       
   679     else if ( iMediaInfo->FileSize() <= KClassMaxSizeVideoRich )
       
   680         {
       
   681         iConformance.iConfClass = EMmsClassVideoRich;
       
   682         }
       
   683     else if ( iMmsVersion > KMmsVersion12 &&
       
   684             iMediaInfo->FileSize() <= KClassMaxSizeMegapixel )
       
   685         {
       
   686         iConformance.iConfClass = EMmsClassMegapixel;
       
   687         }
       
   688     else
       
   689         {
       
   690         iConformance.iConfClass = EMmsClassUnclassified;
       
   691         iConformance.iConfStatus |= EMmsConfNokTooBig;
       
   692         }
       
   693 
       
   694     // "iMaxSendSize == 0" means "unlimited".
       
   695     if ( !iMaxSendSize || TUint32( iMediaInfo->FileSize() ) <= iMaxSendSize )
       
   696         {
       
   697         if ( iConformance.iConfClass == EMmsClassUnclassified )
       
   698             {
       
   699             // iMaxSendSize was larger than KVideoRichClassMaxSize
       
   700             // -> Allowed in free mode
       
   701             iConformance.iConfStatus &= ~EMmsConfNokTooBig;
       
   702             iConformance.iConfStatus |= EMmsConfNokFreeModeOnly;
       
   703             }
       
   704         return ETrue;
       
   705         }
       
   706     else
       
   707         {
       
   708         iConformance.iConfStatus |= EMmsConfNokTooBig;
       
   709         return EFalse;
       
   710         }
       
   711     }
       
   712 
       
   713 // -----------------------------------------------------------------------------
       
   714 // CMmsConformance::CheckImageSize
       
   715 // -----------------------------------------------------------------------------
       
   716 //
       
   717 TBool CMmsConformance::CheckImageSize()
       
   718     {
       
   719     __ASSERT_DEBUG( iMediaInfo, MsgMediaPanic( EMsgMediaNullPointer ) );
       
   720 
       
   721 
       
   722     if ( iMediaInfo->MediaType() == EMsgMediaImage )
       
   723         {
       
   724         CheckFileSize(); //ignore return value
       
   725 
       
   726         if ( !iMediaInfo->Parsed() )
       
   727             {
       
   728             // TODO: OMA MMS 1.3:
       
   729             // What about DRM superdistribution?! Should be allowed, but
       
   730             // we don't know the image dimensions!
       
   731             iConformance.iConfClass = EMmsClassUnclassified;
       
   732             iConformance.iConfStatus |= EMmsConfNokFreeModeOnly;
       
   733             return EFalse;
       
   734             }
       
   735 
       
   736         // Check whether scaling is possible
       
   737         CMsgImageInfo* info = static_cast<CMsgImageInfo*>( iMediaInfo );
       
   738         TSize imageSize = info->Dimensions();
       
   739         if ( LargerThanImageSizeSetting( imageSize ) )
       
   740             {
       
   741             iConformance.iCanAdapt = ETrue;
       
   742             }
       
   743 
       
   744         TMmsConfClass classByResolution = ClassByImageResolution( imageSize );
       
   745         if ( iConformance.iConfClass < classByResolution )
       
   746             {
       
   747             iConformance.iConfClass = classByResolution;
       
   748             }
       
   749         if ( classByResolution == EMmsClassUnclassified )
       
   750             {
       
   751             iConformance.iConfClass = EMmsClassUnclassified;
       
   752             iConformance.iConfStatus |= EMmsConfNokScalingNeeded;
       
   753             }
       
   754         if ( iMediaInfo->Protection() != EFileProtNoProtection )
       
   755             {
       
   756             // Scaling of protected files is forbidden!
       
   757             iConformance.iCanAdapt = EFalse;
       
   758             }
       
   759         return ETrue;
       
   760         }
       
   761     else
       
   762         {
       
   763         // Not initialized as "Image" media file. 
       
   764         // Maybe corrupted file
       
   765         iConformance.iConfClass = EMmsClassUnclassified;
       
   766         iConformance.iConfStatus |= EMmsConfNokCorrupt;
       
   767         return EFalse;
       
   768         }
       
   769     }
       
   770 
       
   771 // -----------------------------------------------------------------------------
       
   772 // CMmsConformance::ClassByImageResolution
       
   773 // -----------------------------------------------------------------------------
       
   774 //
       
   775 TMmsConfClass CMmsConformance::ClassByImageResolution( TSize aImageSize )
       
   776     {
       
   777     if ( aImageSize.iWidth <= KImageBasicWidth &&
       
   778          aImageSize.iHeight <= KImageBasicHeight )
       
   779         {
       
   780         return EMmsClassImageBasic;
       
   781         }
       
   782     else if ( aImageSize.iWidth <= KImageRichWidth &&
       
   783               aImageSize.iHeight <= KImageRichHeight )
       
   784         {
       
   785         return EMmsClassImageRich;
       
   786         }
       
   787     else if ( iMmsVersion > KMmsVersion12 &&
       
   788               aImageSize.iWidth <= KImageMegapixelWidth &&
       
   789               aImageSize.iHeight <= KImageMegapixelHeight )
       
   790         {
       
   791         return EMmsClassMegapixel;
       
   792         }
       
   793     else
       
   794         {
       
   795         return EMmsClassUnclassified;
       
   796         }
       
   797     }
       
   798 
       
   799 
       
   800 //  End of File