1 /*

     2 * Copyright (c) 2004 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:    DisplaySink subsystem.

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef CDISPLAYSINKDP_H

    22 #define CDISPLAYSINKDP_H

    23 

    24 //  INCLUDE FILES

    25 

    26 #include "CDisplaySink.h"

    27 #include "TDisplaySinkParamsDP.h"

    28 

    29 // CLASS DECLARATION

    30 

    31 /**

    32 *  Displaysink implementation for Display Posting.

    33 *

    34 *  @lib displaysink.lib

    35 *  @since Series 60 3.1

    36 */

    37 NONSHARABLE_CLASS( CDisplaySinkDP ) : public CDisplaySink

    38     {

    39 public: // static constructor

    40 

    41     /**

    42     * Static constructor that may leave.

    43     */

    44     static CDisplaySinkDP* NewL( TDisplaySinkParams& aParams,

    45         const TDesC8& aInitData );

    46 

    47 private: // constructors and destructor

    48 

    49     /**

    50     * C++ default constructor.

    51     */

    52     CDisplaySinkDP();

    53 

    54     /**

    55     * destructor

    56     */

    57     ~CDisplaySinkDP();

    58 

    59 private: // from CDisplaySink

    60 

    61     /**

    62     * @see CDisplaySink::BaseConstructL

    63     */

    64     void BaseConstructL( TDisplaySinkParams& aParams,

    65         const TDesC8& aInitData );

    66 

    67     /**

    68     * @see CDisplaySink::BaseConvert

    69     */

    70     TBool BaseConvert( const TVtMMFDataBuffer& aBuffer );

    71 

    72     /**

    73     * @see CDisplaySink::BaseSinkThreadLogonL

    74     */

    75     void BaseSinkThreadLogonL();

    76 

    77     /**

    78     * @see CDisplaySink::BaseSinkThreadLogoff

    79     */

    80     void BaseSinkThreadLogoff();

    81 

    82     /**

    83     * @see CDisplaySink::BaseUpdateSinkParamsL

    84     */

    85     void BaseUpdateSinkParamsL( const TDisplaySinkParams& aParams );

    86 

    87     /**

    88     * @see CDisplaySink::BaseDoUpdateParamsL

    89     */

    90     void BaseDoUpdateParamsL();

    91 

    92     /**

    93     * @see CDisplaySink::BaseDoUpdateParamsL

    94     */

    95     void BaseSetVideoFrameSizeL( const TSize& aSize );

    96 

    97     /**

    98     * @see CDisplaySink::BaseSizesMatch

    99     */

   100     TBool BaseSizesMatch( const TSize& aSize );

   101 

   102     /**

   103     * @see CDisplaySink::BitmapEntry

   104     */

   105     TBitmapEntry& BitmapEntry( TInt aIndex );

   106 

   107     /**

   108     * @see CDisplaySink::BaseEmptyBufferL

   109     */

   110     void BaseEmptyBufferL( TVtMMFDataBuffer& aVTMMFBuffer );

   111 

   112     /**

   113     * @see CDisplaySink::BaseSetBitmapAvailable

   114     */

   115     void BaseSetBitmapAvailable( TBitmapNo aBitmapNo );

   116 

   117     /**

   118     * @see CDisplaySink::BaseVideoFrameSizeChangedL

   119     */

   120     void BaseVideoFrameSizeChangedL( const TSize& aNewSize );

   121 

   122 private: // MDisplaySink

   123 

   124     /**

   125     * @see MDisplaySink::NextFrame

   126     */

   127     void NextFrame();

   128 

   129 private: // new methods

   130 

   131     /**

   132     * Updates expected frame size.

   133     * @exception May leave with KErrNotSupported, if bitmap sizes do not match.

   134     */

   135     void UpdateExpectedFrameSizeL();

   136 

   137 private: // new classes

   138 

   139     // Class posting buffer related data

   140     class TBitmapEntryDP : public TBitmapEntry

   141         {

   142     public: // data

   143 

   144         // Pointer to Posting Buffer pointer

   145         CPostingSurface::TPostingBuff** iBuffer;

   146         };

   147 

   148 private: // data

   149 

   150     // Array of bitmap related structures

   151     TBitmapEntryDP iBitmapTable[ KBitmapTableCount ];

   152 

   153     // Store for saving new parameters in UpdateSinkParamsL() call

   154     TDisplaySinkParamsDP iNewParams;

   155     };

   156 

   157 #endif // CDISPLAYSINKDP_H

   158 

   159 // End of File