videoplayback/videoplaybackviews/src/mpxvideoplaybackdisplayhandler.cpp
branchRCL_3
changeset 57 befca0ec475f
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56:839377eedc2b 57:befca0ec475f
       
     1 /*
       
     2 * Copyright (c) 2008 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:   Implementation of video playback display handler
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // Version : %version: 17 %
       
    20 
       
    21 
       
    22 #include <sysutil.h>
       
    23 #include <s32file.h>
       
    24 #include <mpxcommand.h>
       
    25 #include <mpxcommandgeneraldefs.h>
       
    26 #include <mpxplaybackutility.h>
       
    27 #include <mpxvideoplaybackdefs.h>
       
    28 
       
    29 #include "mpxvideoplaybackdisplayhandler.h"
       
    30 #include "mpxvideoregion.h"
       
    31 #include "mpxvideoplaybackviewfiledetails.h"
       
    32 #include "mpxvideoplaybackcontainer.h"
       
    33 #include "mpxcommonvideoplaybackview.hrh"
       
    34 
       
    35 
       
    36 _LIT( KAspectRatioFile, "c:\\private\\200159b2\\mpxvideoplayer_aspect_ratio.dat" );
       
    37 
       
    38 
       
    39 CMPXVideoPlaybackDisplayHandler::CMPXVideoPlaybackDisplayHandler(
       
    40                                      MMPXPlaybackUtility* aPlayUtil,
       
    41                                      CMPXVideoPlaybackContainer* aContainer)
       
    42     : iPlaybackUtility( aPlayUtil )
       
    43     , iContainer( aContainer )
       
    44     , iScaleWidth( 100.0f )
       
    45     , iScaleHeight( 100.0f )
       
    46     , iHorizontalPosition( EHorizontalAlignCenter )
       
    47     , iVerticalPosition( EVerticalAlignCenter )
       
    48     , iRotation( EVideoRotationNone )
       
    49     , iAutoScale( EAutoScaleBestFit )
       
    50 {
       
    51 }
       
    52 
       
    53 CMPXVideoPlaybackDisplayHandler::~CMPXVideoPlaybackDisplayHandler()
       
    54 {
       
    55     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::~CMPXVideoPlaybackDisplayHandler()"));
       
    56 
       
    57     MPX_TRAPD( error, SaveAspectRatioL() );
       
    58 
       
    59     iAspectRatioArray.Close();
       
    60 
       
    61     if ( iVideoDisplay )
       
    62     {
       
    63         delete iVideoDisplay;
       
    64         iVideoDisplay = NULL;
       
    65     }
       
    66 
       
    67     iSurfaceId = TSurfaceId::CreateNullId();
       
    68 }
       
    69 
       
    70 CMPXVideoPlaybackDisplayHandler*
       
    71 CMPXVideoPlaybackDisplayHandler::NewL( MMPXPlaybackUtility* aPlayUtil,
       
    72                                        CMPXVideoPlaybackContainer* aContainer )
       
    73 {
       
    74     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::NewL()"));
       
    75 
       
    76     CMPXVideoPlaybackDisplayHandler* self =
       
    77         new(ELeave) CMPXVideoPlaybackDisplayHandler( aPlayUtil, aContainer );
       
    78 
       
    79     CleanupStack::PushL( self );
       
    80     self->ConstructL();
       
    81     CleanupStack::Pop();
       
    82     return self;
       
    83 }
       
    84 
       
    85 // -------------------------------------------------------------------------------------------------
       
    86 //   CMPXVideoPlaybackDisplayHandler::ConstructL()
       
    87 // -------------------------------------------------------------------------------------------------
       
    88 //
       
    89 void CMPXVideoPlaybackDisplayHandler::ConstructL()
       
    90 {
       
    91     LoadAspectRatioL();
       
    92 
       
    93     TRect displayRect = iContainer->Rect();
       
    94     iDisplayAspectRatio = (TReal32)displayRect.Width() / (TReal32)displayRect.Height();
       
    95 
       
    96     MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::ConstructL() iDisplayAspectRatio = %f"),
       
    97         iDisplayAspectRatio );
       
    98 }
       
    99 
       
   100 // -------------------------------------------------------------------------------------------------
       
   101 //   CMPXVideoPlaybackDisplayHandler::CreateDisplayWindowL()
       
   102 // -------------------------------------------------------------------------------------------------
       
   103 //
       
   104 void CMPXVideoPlaybackDisplayHandler::CreateDisplayWindowL(
       
   105                                            CWsScreenDevice& aScreenDevice,
       
   106                                            RWindow& aWin,
       
   107                                            CMPXVideoPlaybackViewFileDetails* aFileDetails )
       
   108 {
       
   109     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::CreateDisplayWindowL()"));
       
   110 
       
   111     //
       
   112     //  Save off the video aspect ratio
       
   113     //
       
   114     iVideoHeight = aFileDetails->iVideoHeight;
       
   115     iVideoWidth  = aFileDetails->iVideoWidth;
       
   116 
       
   117     MPX_DEBUG(
       
   118         _L("CMPXVideoPlaybackDisplayHandler::CreateDisplayWindowL() clip size (%d,%d)"),
       
   119                 iVideoHeight, iVideoWidth );
       
   120 
       
   121     AddDisplayWindowL( aScreenDevice, aWin, &aWin );
       
   122 }
       
   123 
       
   124 // -------------------------------------------------------------------------------------------------
       
   125 //   CMPXVideoPlaybackDisplayHandler::RemoveDisplayWindow()
       
   126 // -------------------------------------------------------------------------------------------------
       
   127 //
       
   128 void CMPXVideoPlaybackDisplayHandler::RemoveDisplayWindow()
       
   129 {
       
   130     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::RemoveDisplayWindow()"));
       
   131 
       
   132     if ( iVideoDisplay )
       
   133     {
       
   134         //
       
   135         //  Surface is being removed, signal the container so it can reset the background
       
   136         //
       
   137         if ( iContainer )
       
   138         {
       
   139             MPX_TRAPD( err, iContainer->HandleCommandL( EMPXPbvSurfaceRemoved ) );
       
   140         }
       
   141 
       
   142         delete iVideoDisplay;
       
   143         iVideoDisplay = NULL;
       
   144     }
       
   145 
       
   146     iSurfaceId = TSurfaceId::CreateNullId();
       
   147 }
       
   148 
       
   149 // -------------------------------------------------------------------------------------------------
       
   150 //   CMPXVideoPlaybackDisplayHandler::HandleVideoDisplayMessageL()
       
   151 // -------------------------------------------------------------------------------------------------
       
   152 //
       
   153 void
       
   154 CMPXVideoPlaybackDisplayHandler::HandleVideoDisplayMessageL( CMPXMessage* aMessage )
       
   155 {
       
   156     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::HandleVideoDisplayMessageL()"));
       
   157 
       
   158     TMPXVideoDisplayCommand message =
       
   159         ( *(aMessage->Value<TMPXVideoDisplayCommand>(KMPXMediaVideoDisplayCommand)) );
       
   160 
       
   161     switch ( message )
       
   162     {
       
   163         case EPbMsgVideoSurfaceCreated:
       
   164         {
       
   165             SurfaceCreatedL( aMessage );
       
   166             break;
       
   167         }
       
   168         case EPbMsgVideoSurfaceChanged:
       
   169         {
       
   170             SurfaceChangedL( aMessage );
       
   171             break;
       
   172         }
       
   173         case EPbMsgVideoSurfaceRemoved:
       
   174         {
       
   175             SurfaceRemoved();
       
   176             break;
       
   177         }
       
   178     }
       
   179 }
       
   180 
       
   181 // -------------------------------------------------------------------------------------------------
       
   182 //   CMPXVideoPlaybackDisplayHandler::CalculateAspectRatioL
       
   183 // -------------------------------------------------------------------------------------------------
       
   184 //
       
   185 void CMPXVideoPlaybackDisplayHandler::CalculateAspectRatioL()
       
   186 {
       
   187     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::CalculateAspectRatioL()"));
       
   188 
       
   189     if ( iVideoHeight > 0 && iVideoWidth > 0 )
       
   190     {
       
   191         TMMFScalingType scalingType = EMMFNatural;
       
   192 
       
   193         TReal videoAspectRatio = CalculateVideoAspectRatio();
       
   194 
       
   195         MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::CalculateAspectRatioL() displayAR = %f videoAR = %f)"),
       
   196             iDisplayAspectRatio, videoAspectRatio );
       
   197 
       
   198         TInt cnt = iAspectRatioArray.Count();
       
   199         TInt i = 0;
       
   200 
       
   201         //
       
   202         //  check whether dat file has the information about (videoRatio + screenRatio)
       
   203         //
       
   204         for ( ; i < cnt ; i++ )
       
   205         {
       
   206             if ( IsAspectRatioEqual( iAspectRatioArray[i].videoRatio, videoAspectRatio ) &&
       
   207                  IsAspectRatioEqual( iAspectRatioArray[i].screenRatio, iDisplayAspectRatio ) &&
       
   208                  ( scalingType = iAspectRatioArray[i].scalingType ) > 0 )
       
   209             {
       
   210                 MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::CalculateAspectRatioL() ratio found)"));
       
   211                 break;
       
   212             }
       
   213         }
       
   214 
       
   215         //
       
   216         //  if can't find out match aspect ratio in dat file,
       
   217         //  choose the scaling type through the rule
       
   218         //      aspectRatioDiff =  videoAspectRatio - aDisplayAspectRatio
       
   219         //      aspectRatioDiff ==  0        ==> natural
       
   220         //      aspectRatioDiff > 0.1        ==> zoom
       
   221         //      aspectRatioDiff < - 0.3      ==> natural
       
   222         //      aspectRatioDiff >= - 0.3 and <= 0.1   ==> stretch
       
   223         //
       
   224         if ( i == cnt )
       
   225         {
       
   226             if ( videoAspectRatio - iDisplayAspectRatio > 0.1 )
       
   227             {
       
   228                 scalingType = EMMFZoom;
       
   229             }
       
   230             else if ( ( ! IsAspectRatioEqual( videoAspectRatio, iDisplayAspectRatio ) ) &&
       
   231                       ( videoAspectRatio - iDisplayAspectRatio > (- 0.3) ) )
       
   232             {
       
   233                 scalingType = EMMFStretch;
       
   234             }
       
   235 
       
   236             TMPXAspectRatio ratio;
       
   237 
       
   238             ratio.videoRatio = videoAspectRatio;
       
   239             ratio.screenRatio = iDisplayAspectRatio;
       
   240             ratio.scalingType = scalingType;
       
   241 
       
   242             iAspectRatioArray.Append( ratio );
       
   243         }
       
   244 
       
   245         iCurrentIndexForAspectRatio = i;
       
   246 
       
   247         TMPXVideoPlaybackCommand aspectRatioCmd = EPbCmdNaturalAspectRatio;
       
   248 
       
   249         if ( scalingType == EMMFZoom )
       
   250         {
       
   251             aspectRatioCmd = EPbCmdZoomAspectRatio;
       
   252         }
       
   253         else if ( scalingType == EMMFStretch )
       
   254         {
       
   255             aspectRatioCmd = EPbCmdStretchAspectRatio;
       
   256         }
       
   257 
       
   258         SetAspectRatioL( aspectRatioCmd );
       
   259 
       
   260         //
       
   261         //  If the screen aspect ratio and the video aspect ratio are not equal,
       
   262         //  signal the controls controller to create the aspect ratio icon
       
   263         //
       
   264         if ( ShowAspectRatioIcon() )
       
   265         {
       
   266             iContainer->HandleEventL( EMPXControlCmdCreateAspectRatioIcon );
       
   267         }
       
   268         else
       
   269         {
       
   270             iContainer->HandleEventL( EMPXControlCmdDeleteAspectRatioIcon );
       
   271         }
       
   272     }
       
   273 }
       
   274 
       
   275 // -------------------------------------------------------------------------------------------------
       
   276 //   CMPXVideoPlaybackDisplayHandler::SaveAspectRatioL
       
   277 // -------------------------------------------------------------------------------------------------
       
   278 //
       
   279 void CMPXVideoPlaybackDisplayHandler::SaveAspectRatioL()
       
   280 {
       
   281     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::SaveAspectRatioL"));
       
   282 
       
   283     RFs fs;
       
   284     TInt err = fs.Connect();
       
   285     CleanupClosePushL<RFs>( fs );
       
   286 
       
   287     TBool canSave = EFalse;
       
   288 
       
   289     TRAP_IGNORE( canSave = ! SysUtil::FFSSpaceBelowCriticalLevelL(
       
   290                                  &fs, sizeof(TMPXAspectRatio) * iAspectRatioArray.Count()) );
       
   291 
       
   292     if ( canSave )
       
   293     {
       
   294         // save list to disk
       
   295         RFileWriteStream out;
       
   296 
       
   297         TInt err( out.Replace( fs, KAspectRatioFile, EFileWrite ) );
       
   298 
       
   299         if ( err == KErrPathNotFound )
       
   300         {
       
   301             fs.MkDirAll( KAspectRatioFile );
       
   302             err = out.Create( fs, KAspectRatioFile, EFileWrite );
       
   303         }
       
   304 
       
   305         if ( ! err )
       
   306         {
       
   307             TInt cnt = iAspectRatioArray.Count();
       
   308 
       
   309             MPX_TRAP( err,
       
   310             {
       
   311                 for ( TInt i = 0 ; i < cnt ; i++ )
       
   312                 {
       
   313                     //
       
   314                     //  Save (videoRatio + screenRatio + scalingType)
       
   315                     //
       
   316                     out.WriteReal32L( iAspectRatioArray[i].videoRatio );
       
   317                     out.WriteReal32L( iAspectRatioArray[i].screenRatio );
       
   318                     out.WriteInt8L( iAspectRatioArray[i].scalingType );
       
   319                 }
       
   320             } );
       
   321 
       
   322             out.Close();
       
   323         }
       
   324     }
       
   325 
       
   326     CleanupStack::PopAndDestroy();
       
   327 }
       
   328 
       
   329 // -------------------------------------------------------------------------------------------------
       
   330 //   CMPXVideoPlaybackDisplayHandler::LoadAspectRatioL
       
   331 // -------------------------------------------------------------------------------------------------
       
   332 //
       
   333 void CMPXVideoPlaybackDisplayHandler::LoadAspectRatioL()
       
   334 {
       
   335     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::LoadAspectRatioL()"));
       
   336 
       
   337     RFs fs;
       
   338     RFileReadStream in;
       
   339 
       
   340     TInt err = fs.Connect();
       
   341     CleanupClosePushL<RFs>( fs );
       
   342 
       
   343     if ( ! err && in.Open( fs, KAspectRatioFile, EFileRead ) == KErrNone )
       
   344     {
       
   345         TMPXAspectRatio ratio;
       
   346 
       
   347         MPX_TRAP( err,
       
   348         {
       
   349             for ( err = KErrNone ; err == KErrNone ; )
       
   350             {
       
   351                 //
       
   352                 //  Read (videoRatio + screenRatio + scalingType)
       
   353                 //
       
   354                 ratio.videoRatio = in.ReadReal32L();
       
   355                 ratio.screenRatio = in.ReadReal32L();
       
   356                 ratio.scalingType = (TMMFScalingType)in.ReadInt8L();
       
   357 
       
   358                 iAspectRatioArray.Append( ratio );
       
   359             }
       
   360         } );
       
   361 
       
   362         in.Close();
       
   363     }
       
   364 
       
   365     CleanupStack::PopAndDestroy();
       
   366 }
       
   367 
       
   368 // -------------------------------------------------------------------------------------------------
       
   369 //   CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL()
       
   370 // -------------------------------------------------------------------------------------------------
       
   371 //
       
   372 void CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL( CWsScreenDevice& aScreenDevice,
       
   373                                                          RWindowBase& aWindowBase,
       
   374                                                          RWindow* aWin )
       
   375 {
       
   376     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL()"));
       
   377 
       
   378     TInt displayId = aScreenDevice.GetScreenNumber();
       
   379 
       
   380     MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL() displayId %d"), displayId);
       
   381 
       
   382     CMediaClientVideoDisplay* tempDisplay = iVideoDisplay;
       
   383 
       
   384     iVideoDisplay = CMediaClientVideoDisplay::NewL( displayId );
       
   385 
       
   386     delete tempDisplay;
       
   387 
       
   388     TRect cropRect = TRect( aWin->Size() );
       
   389 
       
   390     MPX_DEBUG(
       
   391         _L("CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL() cropRect (%d, %d), (%d, %d)"),
       
   392         cropRect.iTl.iX, cropRect.iTl.iY, cropRect.iBr.iX, cropRect.iBr.iY);
       
   393 
       
   394     MPX_TRAPD( dispError,
       
   395         iVideoDisplay->AddDisplayWindowL( &aWindowBase,
       
   396                                           cropRect,
       
   397                                           cropRect,
       
   398                                           cropRect,
       
   399                                           iScaleWidth,
       
   400                                           iScaleHeight,
       
   401                                           iRotation,
       
   402                                           iAutoScale,
       
   403                                           iHorizontalPosition,
       
   404                                           iVerticalPosition,
       
   405                                           aWin );
       
   406     );
       
   407 
       
   408     MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL() Display Added"));
       
   409 
       
   410     //
       
   411     //  Check if surface was created before window was ready
       
   412     //
       
   413     if ( iSurfaceCached && ! iContainer->IsRealOneBitmapTimerActive() )
       
   414     {
       
   415         AttachNewSurfaceToWindowL();
       
   416     }
       
   417 }
       
   418 
       
   419 // -------------------------------------------------------------------------------------------------
       
   420 //   CMPXVideoPlaybackDisplayHandler::SurfaceCreatedL()
       
   421 // -------------------------------------------------------------------------------------------------
       
   422 //
       
   423 void CMPXVideoPlaybackDisplayHandler::SurfaceCreatedL( CMPXMessage* aMessage )
       
   424 {
       
   425     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::SurfaceCreatedL()"));
       
   426 
       
   427     TSurfaceId oldSurfaceId = iSurfaceId;
       
   428 
       
   429     //
       
   430     //  Extract the surface parameters from the message
       
   431     //
       
   432     iSurfaceId = aMessage->ValueTObjectL<TSurfaceId>( KMPXMediaVideoDisplayTSurfaceId );
       
   433     iCropRect = aMessage->ValueTObjectL<TRect>( KMPXMediaVideoDisplayCropRect );
       
   434     iAspectRatio = aMessage->ValueTObjectL<TVideoAspectRatio>( KMPXMediaVideoDisplayAspectRatio );
       
   435 
       
   436     MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::SurfaceCreatedL iCropRect[(%d,%d),(%d,%d)] iAspectRatio = (%d,%d)"),
       
   437         iCropRect.iTl.iX, iCropRect.iTl.iY, iCropRect.iBr.iX, iCropRect.iBr.iY,
       
   438         iAspectRatio.iNumerator, iAspectRatio.iDenominator );
       
   439 
       
   440     //
       
   441     //  Add the surface unless the video display hasn't been created or
       
   442     //  the Real One bitmap is being shown.
       
   443     //
       
   444     if ( iVideoDisplay && ! iContainer->IsRealOneBitmapTimerActive() )
       
   445     {
       
   446         //
       
   447         //  Remove old surface if one exists
       
   448         //
       
   449         if ( ! oldSurfaceId.IsNull() )
       
   450         {
       
   451             iVideoDisplay->RemoveSurface();
       
   452         }
       
   453 
       
   454         AttachNewSurfaceToWindowL();
       
   455     }
       
   456     else
       
   457     {
       
   458         //
       
   459         //  Save the surface information to add it when the display is ready
       
   460         //
       
   461         iSurfaceCached = ETrue;
       
   462     }
       
   463 }
       
   464 
       
   465 // -------------------------------------------------------------------------------------------------
       
   466 //   CMPXVideoPlaybackDisplayHandler::SurfaceChangedL()
       
   467 // -------------------------------------------------------------------------------------------------
       
   468 //
       
   469 void CMPXVideoPlaybackDisplayHandler::SurfaceChangedL( CMPXMessage* aMessage )
       
   470 {
       
   471     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::SurfaceChangedL()"));
       
   472 
       
   473     TVideoAspectRatio oldAspectRatio = iAspectRatio;
       
   474 
       
   475     //
       
   476     //  Extract the surface parameters from the message
       
   477     //
       
   478     iSurfaceId = aMessage->ValueTObjectL<TSurfaceId>( KMPXMediaVideoDisplayTSurfaceId );
       
   479     iCropRect = aMessage->ValueTObjectL<TRect>( KMPXMediaVideoDisplayCropRect );
       
   480     iAspectRatio = aMessage->ValueTObjectL<TVideoAspectRatio>( KMPXMediaVideoDisplayAspectRatio );
       
   481 
       
   482     //
       
   483     //  Check if the surface has been cached
       
   484     //  If surface has been cached, exit since the surface parameters have been saved
       
   485     //
       
   486     if ( ! iSurfaceCached && iVideoDisplay )
       
   487     {
       
   488         //
       
   489         //  Add new surface
       
   490         //
       
   491         iVideoDisplay->SurfaceParametersChanged( iSurfaceId, iCropRect, iAspectRatio );
       
   492         iVideoDisplay->RedrawWindows( iCropRect );
       
   493 
       
   494         //
       
   495         //  Update the Aspect Ratio if it changed on the surface
       
   496         //
       
   497         if ( oldAspectRatio != iAspectRatio )
       
   498         {
       
   499             CalculateAspectRatioL();
       
   500         }
       
   501     }
       
   502 }
       
   503 
       
   504 // -------------------------------------------------------------------------------------------------
       
   505 //   CMPXVideoPlaybackDisplayHandler::RemoveSurfaceFromPlaybackPluginL()
       
   506 // -------------------------------------------------------------------------------------------------
       
   507 //
       
   508 void CMPXVideoPlaybackDisplayHandler::RemoveSurfaceFromPlaybackPluginL()
       
   509 {
       
   510     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::RemoveSurfaceFromPlaybackPluginL()"));
       
   511 
       
   512     CMPXCommand* cmd = CMPXCommand::NewL();
       
   513     CleanupStack::PushL( cmd );
       
   514 
       
   515     cmd->SetTObjectValueL<TBool>( KMPXCommandGeneralDoSync, ETrue );
       
   516     cmd->SetTObjectValueL<TInt>( KMPXCommandGeneralId, KMPXMediaIdVideoPlayback );
       
   517     cmd->SetTObjectValueL<TMPXVideoPlaybackCommand>( KMPXMediaVideoPlaybackCommand,
       
   518                                                      EPbCmdSurfaceRemovedFromWindow );
       
   519     cmd->SetTObjectValueL<TSurfaceId>( KMPXMediaVideoDisplayTSurfaceId, iSurfaceId );
       
   520 
       
   521     iPlaybackUtility->CommandL( *cmd );
       
   522     CleanupStack::PopAndDestroy( cmd );
       
   523 }
       
   524 
       
   525 // -------------------------------------------------------------------------------------------------
       
   526 //   CMPXVideoPlaybackDisplayHandler::SurfaceRemoved()
       
   527 // -------------------------------------------------------------------------------------------------
       
   528 //
       
   529 void CMPXVideoPlaybackDisplayHandler::SurfaceRemoved()
       
   530 {
       
   531     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::SurfaceRemoved()"));
       
   532 
       
   533     if ( iVideoDisplay )
       
   534     {
       
   535         if ( iContainer )
       
   536         {
       
   537             MPX_TRAPD( err, iContainer->HandleCommandL( EMPXPbvSurfaceRemoved ) );
       
   538         }
       
   539 
       
   540         iVideoDisplay->RemoveSurface();
       
   541 
       
   542         //
       
   543         // Signal the playback plugin to remove the surface from Helix
       
   544         //
       
   545         MPX_TRAPD( err2, RemoveSurfaceFromPlaybackPluginL() );
       
   546     }
       
   547 
       
   548     iSurfaceId = TSurfaceId::CreateNullId();
       
   549 }
       
   550 
       
   551 // -------------------------------------------------------------------------------------------------
       
   552 //   CMPXVideoPlaybackDisplayHandler::SetAspectRatioL()
       
   553 // -------------------------------------------------------------------------------------------------
       
   554 //
       
   555 void CMPXVideoPlaybackDisplayHandler::SetAspectRatioL( TMPXVideoPlaybackCommand aCmd )
       
   556 {
       
   557     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::SetAspectRatioL()"),
       
   558                    _L("aCmd = %d"), aCmd);
       
   559 
       
   560     TInt aspectRatio = EMMFNatural;
       
   561 
       
   562     switch ( aCmd )
       
   563     {
       
   564         case EPbCmdNaturalAspectRatio:
       
   565         {
       
   566             iAutoScale = EAutoScaleBestFit;
       
   567             aspectRatio = EMMFNatural;
       
   568             break;
       
   569         }
       
   570         case EPbCmdZoomAspectRatio:
       
   571         {
       
   572             iAutoScale = EAutoScaleClip;
       
   573             aspectRatio = EMMFZoom;
       
   574             break;
       
   575         }
       
   576         case EPbCmdStretchAspectRatio:
       
   577         {
       
   578             iAutoScale = EAutoScaleStretch;
       
   579             aspectRatio = EMMFStretch;
       
   580             break;
       
   581         }
       
   582     }
       
   583 
       
   584     if ( iVideoDisplay && ! iSurfaceId.IsNull() )
       
   585     {
       
   586         iVideoDisplay->SetAutoScaleL( iAutoScale,
       
   587                                       iHorizontalPosition,
       
   588                                       iVerticalPosition,
       
   589                                       iCropRect );
       
   590     }
       
   591 
       
   592     //
       
   593     //  Update the controls controller with the new aspect ratio
       
   594     //
       
   595     if ( iContainer )
       
   596     {
       
   597         iContainer->HandleEventL( EMPXControlCmdSetAspectRatio, aspectRatio );
       
   598     }
       
   599 
       
   600     //
       
   601     //  Update the aspect ratio in the array
       
   602     //
       
   603     TInt count = iAspectRatioArray.Count();
       
   604 
       
   605     if ( count > 0 && count > iCurrentIndexForAspectRatio )
       
   606     {
       
   607         iAspectRatioArray[iCurrentIndexForAspectRatio].scalingType = (TMMFScalingType)aspectRatio;
       
   608     }
       
   609 }
       
   610 
       
   611 // -------------------------------------------------------------------------------------------------
       
   612 //   CMPXVideoPlaybackDisplayHandler::DoHandleRealOneBitmapTimeoutL()
       
   613 // -------------------------------------------------------------------------------------------------
       
   614 //
       
   615 void CMPXVideoPlaybackDisplayHandler::DoHandleRealOneBitmapTimeoutL()
       
   616 {
       
   617     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::DoHandleRealOneBitmapTimeoutL()"));
       
   618 
       
   619     //
       
   620     //  Check if surface was created before window was ready
       
   621     //
       
   622     if ( iSurfaceCached && iVideoDisplay )
       
   623     {
       
   624         AttachNewSurfaceToWindowL();
       
   625     }
       
   626 }
       
   627 
       
   628 // -------------------------------------------------------------------------------------------------
       
   629 //   CMPXVideoPlaybackDisplayHandler::AttachNewSurfaceToWindowL()
       
   630 // -------------------------------------------------------------------------------------------------
       
   631 //
       
   632 void CMPXVideoPlaybackDisplayHandler::AttachNewSurfaceToWindowL()
       
   633 {
       
   634     MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::AttachNewSurfaceToWindowL()"));
       
   635 
       
   636     //
       
   637     //  Calculate the video aspect ratio and set the proper value on the video display
       
   638     //  before attaching the surface
       
   639     //
       
   640     CalculateAspectRatioL();
       
   641 
       
   642     iVideoDisplay->SurfaceCreated( iSurfaceId, iCropRect, iAspectRatio, iCropRect );
       
   643 
       
   644     if ( iContainer )
       
   645     {
       
   646         iContainer->HandleCommandL( EMPXPbvSurfaceCreated );
       
   647     }
       
   648 
       
   649     iSurfaceCached = EFalse;
       
   650 }
       
   651 
       
   652 // -------------------------------------------------------------------------------------------------
       
   653 //   CMPXVideoPlaybackDisplayHandler::ShowAspectRatioIcon()
       
   654 // -------------------------------------------------------------------------------------------------
       
   655 //
       
   656 TBool CMPXVideoPlaybackDisplayHandler::ShowAspectRatioIcon()
       
   657 {
       
   658     TBool showAspectRatio = ETrue;
       
   659 
       
   660     TReal videoAspectRatio = CalculateVideoAspectRatio();
       
   661 
       
   662     if ( IsAspectRatioEqual( videoAspectRatio, iDisplayAspectRatio ) )
       
   663     {
       
   664         showAspectRatio = EFalse;
       
   665     }
       
   666 
       
   667     MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::ShowAspectRatioIcon(%d)"), showAspectRatio);
       
   668 
       
   669     return showAspectRatio;
       
   670 }
       
   671 
       
   672 // -------------------------------------------------------------------------------------------------
       
   673 //   CMPXVideoPlaybackDisplayHandler::IsAspectRatioEqual()
       
   674 // -------------------------------------------------------------------------------------------------
       
   675 //
       
   676 TBool CMPXVideoPlaybackDisplayHandler::IsAspectRatioEqual( TReal aRatio1, TReal aRatio2 )
       
   677 {
       
   678     MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::IsAspectRatioEqual() ar1 = %f ar2 = %f)"),
       
   679             aRatio1, aRatio2 );
       
   680 
       
   681     TBool valuesEqual = EFalse;
       
   682     TReal arDiff = aRatio1 - aRatio2;
       
   683 
       
   684     if ( arDiff < 0.00001 && arDiff > -0.00001 )
       
   685     {
       
   686         valuesEqual = ETrue;
       
   687     }
       
   688 
       
   689     MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::IsAspectRatioEqual(%d)"), valuesEqual);
       
   690 
       
   691     return valuesEqual;
       
   692 }
       
   693 
       
   694 // -------------------------------------------------------------------------------------------------
       
   695 //   CMPXVideoPlaybackDisplayHandler::CalculateVideoAspectRatio()
       
   696 // -------------------------------------------------------------------------------------------------
       
   697 //
       
   698 TReal CMPXVideoPlaybackDisplayHandler::CalculateVideoAspectRatio()
       
   699 {
       
   700     TReal videoAspectRatio = 0.0;
       
   701 
       
   702     if ( iVideoHeight > 0 && iVideoWidth > 0 )
       
   703     {
       
   704         videoAspectRatio = (TReal32)iVideoWidth / (TReal32)iVideoHeight;
       
   705 
       
   706         //
       
   707         //  If the pixel aspect ratio is valid, use it to modify the videoAspectRatio
       
   708         //
       
   709         if ( iAspectRatio.iDenominator )
       
   710         {
       
   711             MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::CalculateVideoAspectRatio() iAspectRatio = (%d,%d)"),
       
   712                 iAspectRatio.iNumerator, iAspectRatio.iDenominator );
       
   713 
       
   714             TReal32 par = (TReal32)iAspectRatio.iNumerator / (TReal32)iAspectRatio.iDenominator;
       
   715 
       
   716             videoAspectRatio *= par;
       
   717         }
       
   718     }
       
   719 
       
   720     MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::CalculateVideoAspectRatio(%f)"), videoAspectRatio );
       
   721 
       
   722     return videoAspectRatio;
       
   723 }
       
   724 
       
   725 // End of File