videoplayback/hbvideoplaybackview/viewsrc/mpxvideoplaybackdisplayhandler.cpp
changeset 30 4f111d64a341
child 31 45b81204cdd1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoplayback/hbvideoplaybackview/viewsrc/mpxvideoplaybackdisplayhandler.cpp	Thu Apr 01 22:38:49 2010 +0300
@@ -0,0 +1,695 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   Implementation of video playback display handler
+*
+*/
+
+// Version : %version:  17 %
+
+#include <sysutil.h>
+#include <s32file.h>
+#include <mpxcommand.h>
+#include <mpxcommandgeneraldefs.h>
+#include <mpxplaybackutility.h>
+#include <mpxvideoplaybackdefs.h>
+#include <alfcompositionutility.h>
+
+#include "mpxvideocontainer.h"
+#include "mpxvideoviewwrapper.h"
+#include "mpxvideoplaybackdisplayhandler.h"
+#include "mpxvideoregion.h"
+#include "mpxvideoplaybackviewfiledetails.h"
+
+const TInt KVIDEORESIZINGREPEATRATE = 50000;
+const TReal32 KTRANSITIONEFFECTCNT = 8;
+
+_LIT( KAspectRatioFile, "c:\\private\\200159b2\\mpxvideoplayer_aspect_ratio.dat" );
+
+
+CMPXVideoPlaybackDisplayHandler::CMPXVideoPlaybackDisplayHandler( MMPXPlaybackUtility* aPlayUtil,
+                                                                  CMPXVideoViewWrapper* aViewWrapper )
+    : iPlaybackUtility( aPlayUtil )
+    , iTransitionEffectCnt( 0 )
+    , iViewWrapper( aViewWrapper )
+    , iScaleWidth( 100.0f )
+    , iScaleHeight( 100.0f )
+    , iHorizontalPosition( EHorizontalAlignCenter )
+    , iVerticalPosition( EVerticalAlignCenter )
+    , iRotation( EVideoRotationNone )
+    , iAutoScale( EAutoScaleBestFit )
+{
+}
+
+CMPXVideoPlaybackDisplayHandler::~CMPXVideoPlaybackDisplayHandler()
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::~CMPXVideoPlaybackDisplayHandler()"));
+
+    MPX_TRAPD( error, SaveAspectRatioL() );
+
+    if ( iResizingTimer )
+    {
+        iResizingTimer->Cancel();
+        delete iResizingTimer;
+        iResizingTimer = NULL;
+    }
+
+    iAspectRatioArray.Close();
+
+    if ( iVideoDisplay )
+    {
+        SurfaceRemoved();
+    	
+        delete iVideoDisplay;
+        iVideoDisplay = NULL;
+    }
+
+	if ( iVideoContainer )
+    {
+        delete iVideoContainer;
+        iVideoContainer = NULL;
+    }
+}
+
+CMPXVideoPlaybackDisplayHandler*
+CMPXVideoPlaybackDisplayHandler::NewL( MMPXPlaybackUtility* aPlayUtil,
+                                       CMPXVideoViewWrapper* aViewWrapper )
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::NewL()"));
+
+    CMPXVideoPlaybackDisplayHandler* self =
+        new(ELeave) CMPXVideoPlaybackDisplayHandler( aPlayUtil, aViewWrapper );
+
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop();
+    return self;
+}
+
+// -------------------------------------------------------------------------------------------------
+//  CMPXVideoPlaybackDisplayHandler::ConstructL()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::ConstructL()
+{
+    iResizingTimer = CPeriodic::NewL( CActive::EPriorityStandard );    
+    LoadAspectRatioL();
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::CreateDisplayWindowL()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::CreateDisplayWindowL(
+                                          RWsSession& /*aWs*/,
+                                          CWsScreenDevice& aScreenDevice,
+                                          RWindow& aWin,
+                                          TRect aDisplayRect )
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::CreateDisplayWindowL()"));
+
+    //
+    // Workaround start for PREQ-2669
+    //
+    iVideoContainer = new ( ELeave ) CMPXVideoContainer();
+    iVideoContainer->ConstructL();
+    iVideoContainer->SetRect( aDisplayRect );
+
+    RWindowBase *videoWindow = iVideoContainer->DrawableWindow();
+    videoWindow->SetOrdinalPosition( -1 );
+    (&aWin)->SetOrdinalPosition( 0 );
+
+    MPX_DEBUG(_L("VideoWindow ordinal position is: %d"), videoWindow->OrdinalPosition());
+    MPX_DEBUG(_L("UiWindow ordinal position is: %d"), (&aWin)->OrdinalPosition());
+
+    TRAPD
+    ( status,
+        {
+            CAlfCompositionSource* me = CAlfCompositionSource::NewL( aWin );
+            me->EnableAlpha();
+            delete me;
+            me = NULL;
+        }
+    );
+
+    MPX_DEBUG(
+        _L("CMPXVideoPlaybackDisplayHandler::CreateDisplayWindowL() status : %d"), status);
+
+    //
+    // Workaround end
+    //
+
+    AddDisplayWindowL( aScreenDevice, *videoWindow, (RWindow*)videoWindow );
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::RemoveDisplayWindow()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::RemoveDisplayWindow()
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::RemoveDisplayWindow()"));
+
+    if ( iVideoDisplay )
+    {
+        SurfaceRemoved();
+        delete iVideoDisplay;
+        iVideoDisplay = NULL;
+    }
+	
+    if ( iVideoContainer )
+    {
+        delete iVideoContainer;
+        iVideoContainer = NULL;
+    }
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::HandleVideoDisplayMessageL()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::HandleVideoDisplayMessageL( CMPXMessage* aMessage )
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::HandleVideoDisplayMessage()"));
+
+    TMPXVideoDisplayCommand message =
+        ( *(aMessage->Value<TMPXVideoDisplayCommand>(KMPXMediaVideoDisplayCommand)) );
+
+    MPX_DEBUG(
+      _L("CMPXVideoPlaybackDisplayHandler::HandleVideoDisplayMessageL() message = %d"), message );
+
+    switch ( message )
+    {
+        case EPbMsgVideoSurfaceCreated:
+        {
+            SurfaceCreatedL( aMessage );
+            break;
+        }
+        case EPbMsgVideoSurfaceChanged:
+        {
+            SurfaceChangedL( aMessage );
+            break;
+        }
+        case EPbMsgVideoSurfaceRemoved:
+        {
+            SurfaceRemoved();
+            break;
+        }
+    }
+}
+
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::SetAspectRatioL()
+// -------------------------------------------------------------------------------------------------
+//
+TInt CMPXVideoPlaybackDisplayHandler::SetAspectRatioL( TMPXVideoPlaybackCommand aCmd )
+{
+    MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::SetAspectRatioL()"));
+
+    TInt aspectRatio;
+
+    aspectRatio = SetNgaAspectRatioL( aCmd );
+
+    //
+    //  Update the aspect ratio in the array
+    //
+    TInt count = iAspectRatioArray.Count();
+
+    if ( count > 0 && count > iCurrentIndexForAspectRatio )
+    {
+        iAspectRatioArray[iCurrentIndexForAspectRatio].scalingType = (TMMFScalingType)aspectRatio;
+    }
+
+    return aspectRatio;
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::SetDefaultAspectRatioL
+// -------------------------------------------------------------------------------------------------
+//
+TInt CMPXVideoPlaybackDisplayHandler::SetDefaultAspectRatioL(
+                                          QMPXVideoPlaybackViewFileDetails* aFileDetails,
+                                          TReal aDisplayAspectRatio )
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::SetDefaultAspectRatioL()"));
+
+    TInt newAspectRatio = EMMFNatural;
+
+    if ( aFileDetails->mVideoHeight > 0 && aFileDetails->mVideoWidth > 0 )
+    {
+        TMMFScalingType scalingType = EMMFNatural;
+
+        TReal32 videoAspectRatio = (TReal32)aFileDetails->mVideoWidth /
+                                   (TReal32)aFileDetails->mVideoHeight;
+
+        TInt cnt = iAspectRatioArray.Count();
+        TInt i = 0;
+
+        //
+        //  check whether dat file has the information about (videoRatio + screenRatio)
+        //
+        for ( ; i < cnt ; i++ )
+        {
+            if ( iAspectRatioArray[i].videoRatio == videoAspectRatio &&
+                 iAspectRatioArray[i].screenRatio == aDisplayAspectRatio &&
+                 ( scalingType = iAspectRatioArray[i].scalingType ) > 0 )
+            {
+                break;
+            }
+        }
+
+        //
+        //  if can't find out match aspect ratio in dat file,
+        //  choose the scaling type through the rule
+        //      videoAspectRatio - aDisplayAspectRatio > 0.1 ==> zoom
+        //      videoAspectRatio - aDisplayAspectRatio < 0.1 ==> stretch
+        //      videoAspectRatio = aDisplayAspectRatio ==> natural
+        //
+        if ( i == cnt )
+        {
+            if ( videoAspectRatio - aDisplayAspectRatio > 0.1 )
+            {
+                scalingType = EMMFZoom;
+            }
+            else if ( videoAspectRatio != aDisplayAspectRatio )
+            {
+                scalingType = EMMFStretch;
+            }
+
+            TMPXAspectRatio ratio;
+
+            ratio.videoRatio = videoAspectRatio;
+            ratio.screenRatio = aDisplayAspectRatio;
+            ratio.scalingType = scalingType;
+
+            iAspectRatioArray.Append( ratio );
+        }
+
+        iCurrentIndexForAspectRatio = i;
+
+        TMPXVideoPlaybackCommand aspectRatioCmd = EPbCmdNaturalAspectRatio;
+
+        if ( scalingType == EMMFZoom )
+        {
+            aspectRatioCmd = EPbCmdZoomAspectRatio;
+        }
+        else if ( scalingType == EMMFStretch )
+        {
+            aspectRatioCmd = EPbCmdStretchAspectRatio;
+        }
+
+        newAspectRatio = SetAspectRatioL( aspectRatioCmd );
+    }
+
+    return newAspectRatio;
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::SaveAspectRatioL
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::SaveAspectRatioL()
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::SaveAspectRatioL"));
+
+    RFs fs;
+    TInt err = fs.Connect();
+    CleanupClosePushL<RFs>( fs );
+
+    TBool canSave = EFalse;
+
+    TRAP_IGNORE( canSave = ! SysUtil::FFSSpaceBelowCriticalLevelL(
+                                 &fs, sizeof(TMPXAspectRatio) * iAspectRatioArray.Count()) );
+
+    if ( canSave )
+    {
+        // save list to disk
+        RFileWriteStream out;
+
+        TInt err( out.Replace( fs, KAspectRatioFile, EFileWrite ) );
+
+        if ( err == KErrPathNotFound )
+        {
+            fs.MkDirAll( KAspectRatioFile );
+            err = out.Create( fs, KAspectRatioFile, EFileWrite );
+        }
+
+        if ( ! err )
+        {
+            TInt cnt = iAspectRatioArray.Count();
+
+            MPX_TRAP( err,
+            {
+                for ( TInt i = 0 ; i < cnt ; i++ )
+                {
+                    //Save (videoRatio + screenRatio + scalingType)
+                    out.WriteReal32L( iAspectRatioArray[i].videoRatio );
+                    out.WriteReal32L( iAspectRatioArray[i].screenRatio );
+                    out.WriteInt8L( iAspectRatioArray[i].scalingType );
+                }
+            } );
+
+            out.Close();
+        }
+    }
+
+    CleanupStack::PopAndDestroy();
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::LoadAspectRatioL
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::LoadAspectRatioL()
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::LoadAspectRatioL()"));
+
+    RFs fs;
+    RFileReadStream in;
+
+    TInt err = fs.Connect();
+    CleanupClosePushL<RFs>( fs );
+
+    if ( ! err && in.Open( fs, KAspectRatioFile, EFileRead ) == KErrNone )
+    {
+        TMPXAspectRatio ratio;
+
+        MPX_TRAP( err,
+        {
+            for ( err = KErrNone ; err == KErrNone ; )
+            {
+                //
+                //  Read (videoRatio + screenRatio + scalingType)
+                //
+                ratio.videoRatio = in.ReadReal32L();
+                ratio.screenRatio = in.ReadReal32L();
+                ratio.scalingType = (TMMFScalingType)in.ReadInt8L();
+
+                iAspectRatioArray.Append( ratio );
+            }
+        } );
+
+        in.Close();
+    }
+
+    CleanupStack::PopAndDestroy();
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::UpdateVideoRectL()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::UpdateVideoRectL( TRect aClipRect, TBool transitionEffect )
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::UpdateVideoRectL()"));
+
+    if ( transitionEffect )
+    {
+        iTlXDiff = (TReal32)( iWindowRect.iTl.iX - aClipRect.iTl.iX ) / KTRANSITIONEFFECTCNT;
+        iTlYDiff = (TReal32)( iWindowRect.iTl.iY - aClipRect.iTl.iY ) / KTRANSITIONEFFECTCNT;
+        iBrXDiff = (TReal32)( iWindowRect.iBr.iX - aClipRect.iBr.iX ) / KTRANSITIONEFFECTCNT;
+        iBrYDiff = (TReal32)( iWindowRect.iBr.iY - aClipRect.iBr.iY ) / KTRANSITIONEFFECTCNT;
+
+        if ( iResizingTimer->IsActive() )
+        {
+            iResizingTimer->Cancel();
+        }
+
+        iResizingTimer->Start( 
+                0,
+                KVIDEORESIZINGREPEATRATE,
+                TCallBack( CMPXVideoPlaybackDisplayHandler::UpdateVideoRectTimeOutL, this ) );                
+    }
+    else
+    {
+        SetVideoRectL( aClipRect );
+
+        iWindowRect = aClipRect;
+
+        iViewWrapper->UpdateVideoRectDone();
+    }
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::UpdateVideoRectTimeOutL()
+// -------------------------------------------------------------------------------------------------
+//
+TInt CMPXVideoPlaybackDisplayHandler::UpdateVideoRectTimeOutL( TAny* aPtr )
+{
+    MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::UpdateVideoRectTimeOutL()"));
+
+    static_cast<CMPXVideoPlaybackDisplayHandler*>(aPtr)->CalculateVideoRectL();
+
+    return KErrNone;
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::CalculateVideoRectL()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::CalculateVideoRectL()
+{
+    iTransitionEffectCnt++;
+
+    TRect windowRect( (TInt)( (TReal32)iWindowRect.iTl.iX - iTlXDiff * (TReal32)iTransitionEffectCnt ), 
+                      (TInt)( (TReal32)iWindowRect.iTl.iY - iTlYDiff * (TReal32)iTransitionEffectCnt ), 
+                      (TInt)( (TReal32)iWindowRect.iBr.iX - iBrXDiff * (TReal32)iTransitionEffectCnt ),
+                      (TInt)( (TReal32)iWindowRect.iBr.iY - iBrYDiff * (TReal32)iTransitionEffectCnt ) );
+
+    MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::CalculateVideoRectL() %d %d %d %d"),
+            windowRect.iTl.iX, windowRect.iTl.iY, windowRect.iBr.iX, windowRect.iBr.iY );
+
+    SetVideoRectL( windowRect );
+
+    if ( iTransitionEffectCnt >= KTRANSITIONEFFECTCNT )
+    {
+        iTransitionEffectCnt = 0;
+        iWindowRect = windowRect;
+
+        if ( iResizingTimer->IsActive() )
+        {
+            iResizingTimer->Cancel();
+        }
+
+        MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::CalculateVideoRectL() Done"));
+
+        iViewWrapper->UpdateVideoRectDone();
+    }
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::SetVideoRectL()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::SetVideoRectL( TRect aRect )
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::SetVideoRectL()"));
+
+    if ( iVideoDisplay )
+    {
+        iVideoDisplay->SetVideoExtentL( *iWindowBase, aRect, TRect( iWindowBase->Size() ) );        
+    }
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL( CWsScreenDevice& aScreenDevice,
+                                                         RWindowBase& aWindowBase,
+                                                         RWindow* aWin )
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL()"));
+
+    iWindowBase = &aWindowBase;
+
+    TInt displayId = aScreenDevice.GetScreenNumber();
+
+    MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL() displayId %d"), displayId);
+
+    CMediaClientVideoDisplay* tempDisplay = iVideoDisplay;
+
+    iVideoDisplay = CMediaClientVideoDisplay::NewL( displayId );
+
+    delete tempDisplay;
+
+    TRect cropRect = TRect( aWin->Size() );
+
+    //
+    // If RWindow is still in potrait, rotate surface to play a video in landscape
+    //
+    if ( cropRect.Width() < cropRect.Height() )
+    {
+        iRotation = EVideoRotationClockwise270;
+    }
+    
+    iWindowRect = cropRect;
+    
+    MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL() cropRect (%d, %d), (%d, %d)"),
+        cropRect.iTl.iX, cropRect.iTl.iY, cropRect.iBr.iX, cropRect.iBr.iY);
+
+    MPX_TRAPD( dispError,
+    iVideoDisplay->AddDisplayWindowL( iWindowBase,
+                                      cropRect,
+                                      cropRect,
+                                      cropRect,
+                                      iScaleWidth,
+                                      iScaleHeight,
+                                      iRotation,
+                                      iAutoScale,
+                                      iHorizontalPosition,
+                                      iVerticalPosition,
+                                      aWin );
+    );
+
+    MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL() Display Added"));
+    //
+    //  Check if surface was created before window was ready
+    //
+    if ( iSurfaceCached )
+    {
+        iVideoDisplay->SurfaceCreated( iSurfaceId, iCropRect, iAspectRatio, iCropRect );
+
+        iSurfaceCached = EFalse;
+    }
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::SurfaceCreatedL()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::SurfaceCreatedL( CMPXMessage* aMessage )
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::SurfaceCreatedL()"));
+
+    TSurfaceId oldSurfaceId = iSurfaceId;
+    
+    //
+    //  Extract the surface parameters from the message
+    //
+    iSurfaceId = aMessage->ValueTObjectL<TSurfaceId>( KMPXMediaVideoDisplayTSurfaceId );
+    iCropRect = aMessage->ValueTObjectL<TRect>( KMPXMediaVideoDisplayCropRect );
+    iAspectRatio = aMessage->ValueTObjectL<TVideoAspectRatio>( KMPXMediaVideoDisplayAspectRatio );
+
+    if ( iVideoDisplay )
+    {
+        //
+        //  Remove old surface if one exists
+        //
+        if ( ! oldSurfaceId.IsNull() )
+        {
+            iVideoDisplay->RemoveSurface();
+        }
+
+        //
+        //  Add new surface
+        //
+        iVideoDisplay->SurfaceCreated( iSurfaceId, iCropRect, iAspectRatio, iCropRect );
+    }
+    else
+    {
+        //
+        //  Video display has not been created yet, save surface information to create
+        //  the surface when the display is created
+        //
+        iSurfaceCached = ETrue;
+    }
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::SurfaceChangedL()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::SurfaceChangedL( CMPXMessage* aMessage )
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::SurfaceChangedL()"));
+
+    //
+    //  Extract the surface parameters from the message
+    //
+    iSurfaceId = aMessage->ValueTObjectL<TSurfaceId>( KMPXMediaVideoDisplayTSurfaceId );
+    iCropRect = aMessage->ValueTObjectL<TRect>( KMPXMediaVideoDisplayCropRect );
+    iAspectRatio = aMessage->ValueTObjectL<TVideoAspectRatio>( KMPXMediaVideoDisplayAspectRatio );
+
+    if ( iVideoDisplay )
+    {
+        //
+        //  Add new surface
+        //
+        iVideoDisplay->SurfaceParametersChanged( iSurfaceId, iCropRect, iAspectRatio );
+
+        iVideoDisplay->RedrawWindows( iCropRect );
+    }
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::SurfaceRemoved()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::SurfaceRemoved()
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::SurfaceRemoved()"));
+
+    if ( iVideoDisplay )
+    {
+        iVideoDisplay->RemoveSurface();
+    }
+
+    iSurfaceId = TSurfaceId::CreateNullId();
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackDisplayHandler::SetNgaAspectRatioL()
+// -------------------------------------------------------------------------------------------------
+//
+TInt CMPXVideoPlaybackDisplayHandler::SetNgaAspectRatioL( TMPXVideoPlaybackCommand aCmd )
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::SetNgaAspectRatioL()"));
+
+    TInt aspectRatio = EMMFNatural;
+
+    switch ( aCmd )
+    {
+        case EPbCmdNaturalAspectRatio:
+        {
+            iAutoScale = EAutoScaleBestFit;
+            aspectRatio = EMMFNatural;
+            break;
+        }
+        case EPbCmdZoomAspectRatio:
+        {
+            iAutoScale = EAutoScaleClip;
+            aspectRatio = EMMFZoom;
+            break;
+        }
+        case EPbCmdStretchAspectRatio:
+        {
+            iAutoScale = EAutoScaleStretch;
+            aspectRatio = EMMFStretch;
+            break;
+        }
+    }
+
+    if ( iVideoDisplay && ! iSurfaceId.IsNull() )
+    {
+        iVideoDisplay->SetAutoScaleL( iAutoScale,
+                                      iHorizontalPosition,
+                                      iVerticalPosition,
+                                      iCropRect );
+    }
+
+    return aspectRatio;
+}
+
+// End of File