--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/videoplayback/videoplaybackviews/src/mpxvideoplaybackdisplayhandler.cpp Mon Jan 18 20:21:12 2010 +0200
@@ -0,0 +1,542 @@
+/*
+* Copyright (c) 2008 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: 6 %
+
+#include <sysutil.h>
+#include <s32file.h>
+#include <mpxcommand.h>
+#include <mpxcommandgeneraldefs.h>
+#include <mpxplaybackutility.h>
+
+#include "mpxvideoplaybackdisplayhandler.h"
+#include "mpxvideoregion.h"
+#include "mpxvideoplaybackviewfiledetails.h"
+#include <mpxvideoplaybackdefs.h>
+
+
+_LIT( KAspectRatioFile, "c:\\private\\200159b2\\mpxvideoplayer_aspect_ratio.dat" );
+
+
+CMPXVideoPlaybackDisplayHandler::CMPXVideoPlaybackDisplayHandler( MMPXPlaybackUtility* aPlayUtil )
+ : iPlaybackUtility( aPlayUtil )
+#ifdef SYMBIAN_BUILD_GCE
+ , iScaleWidth( 100.0f )
+ , iScaleHeight( 100.0f )
+ , iHorizontalPosition( EHorizontalAlignCenter )
+ , iVerticalPosition( EVerticalAlignCenter )
+ , iRotation( EVideoRotationNone )
+ , iAutoScale( EAutoScaleBestFit )
+#endif
+{
+}
+
+CMPXVideoPlaybackDisplayHandler::~CMPXVideoPlaybackDisplayHandler()
+{
+ MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::~CMPXVideoPlaybackDisplayHandler()"));
+
+ MPX_TRAPD( error, SaveAspectRatioL() );
+
+ iAspectRatioArray.Close();
+
+#ifdef SYMBIAN_BUILD_GCE
+ if ( iVideoDisplay )
+ {
+ delete iVideoDisplay;
+ iVideoDisplay = NULL;
+ }
+#endif
+}
+
+CMPXVideoPlaybackDisplayHandler*
+CMPXVideoPlaybackDisplayHandler::NewL( MMPXPlaybackUtility* aPlayUtil )
+{
+ MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::NewL()"));
+
+ CMPXVideoPlaybackDisplayHandler* self =
+ new(ELeave) CMPXVideoPlaybackDisplayHandler( aPlayUtil );
+
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop();
+ return self;
+}
+
+// -------------------------------------------------------------------------------------------------
+// CMPXVideoPlaybackDisplayHandler::ConstructL()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::ConstructL()
+{
+ LoadAspectRatioL();
+}
+
+// -------------------------------------------------------------------------------------------------
+// CMPXVideoPlaybackDisplayHandler::CreateDisplayWindowL()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::CreateDisplayWindowL(
+ CWsScreenDevice& aScreenDevice,
+ RWindow& aWin )
+{
+ MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::CreateDisplayWindowL()"));
+
+#ifdef SYMBIAN_BUILD_GCE
+ AddDisplayWindowL( aScreenDevice, aWin, &aWin );
+#endif
+}
+
+// -------------------------------------------------------------------------------------------------
+// CMPXVideoPlaybackDisplayHandler::RemoveDisplayWindow()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::RemoveDisplayWindow()
+{
+ MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::RemoveDisplayWindow()"));
+
+#ifdef SYMBIAN_BUILD_GCE
+ if ( iVideoDisplay )
+ {
+ delete iVideoDisplay;
+ iVideoDisplay = NULL;
+ }
+#endif
+}
+
+// -------------------------------------------------------------------------------------------------
+// CMPXVideoPlaybackDisplayHandler::HandleVideoDisplayMessageL()
+// -------------------------------------------------------------------------------------------------
+//
+TMPXVideoDisplayCommand
+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 )
+ {
+#ifdef SYMBIAN_BUILD_GCE
+ case EPbMsgVideoSurfaceCreated:
+ {
+ SurfaceCreatedL( aMessage );
+ break;
+ }
+ case EPbMsgVideoSurfaceChanged:
+ {
+ SurfaceChangedL( aMessage );
+ break;
+ }
+ case EPbMsgVideoSurfaceRemoved:
+ {
+ SurfaceRemoved();
+ break;
+ }
+#endif
+ }
+
+ return message;
+}
+
+
+// -------------------------------------------------------------------------------------------------
+// CMPXVideoPlaybackDisplayHandler::SetAspectRatioL()
+// -------------------------------------------------------------------------------------------------
+//
+TInt CMPXVideoPlaybackDisplayHandler::SetAspectRatioL( TMPXVideoPlaybackCommand aCmd )
+{
+ MPX_DEBUG(_L("CMPXVideoPlaybackDisplayHandler::SetAspectRatioL()"));
+
+ TInt aspectRatio;
+
+#ifdef SYMBIAN_BUILD_GCE
+ aspectRatio = SetNgaAspectRatioL( aCmd );
+#endif
+
+ //
+ // 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(
+ CMPXVideoPlaybackViewFileDetails* aFileDetails,
+ TReal aDisplayAspectRatio )
+{
+ MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::SetDefaultAspectRatioL()"));
+
+ TInt newAspectRatio = EMMFNatural;
+
+ if ( aFileDetails->iVideoHeight > 0 && aFileDetails->iVideoWidth > 0 )
+ {
+ TMMFScalingType scalingType = EMMFNatural;
+
+ TReal32 videoAspectRatio = (TReal32)aFileDetails->iVideoWidth /
+ (TReal32)aFileDetails->iVideoHeight;
+
+ 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();
+}
+
+#ifdef SYMBIAN_BUILD_GCE
+
+// -------------------------------------------------------------------------------------------------
+// CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL( CWsScreenDevice& aScreenDevice,
+ RWindowBase& aWindowBase,
+ RWindow* aWin )
+{
+ MPX_ENTER_EXIT(_L("CMPXVideoPlaybackDisplayHandler::AddDisplayWindowL()"));
+
+ 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() );
+
+ 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( &aWindowBase,
+ 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()"));
+
+ //
+ // 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 ( iSurfaceId.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;
+}
+
+#endif
+
+// End of File