1 /*

     2 * Copyright (c) 2010 Ixonos Plc.

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the "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 * Ixonos Plc

    14 *

    15 * Description:  

    16 * Header file for H.263 Decoder API implementation class.

    17 *

    18 */

    19 

    20 

    21 #ifndef VEDH263DIMP_H

    22 #define VEDH263DIMP_H

    23 

    24 #include "h263dext.h"

    25 #include "h263dmai.h"  // CVedH263Dec defined here

    26 

    27 

    28 class CVedH263DecImp : public CVedH263Dec

    29 {

    30 

    31     public:  // Constructors and destructor

    32     

    33         /**

    34         * C++ default constructor.

    35         */

    36         CVedH263DecImp(TSize aFrameSize, TInt aNumReferencePictures);

    37 

    38         /**

    39         * Destructor.

    40         */        

    41         ~CVedH263DecImp();

    42 

    43         /**

    44         * 2nd phase constructor must be public since it is called from NewL of abstract base class.

    45         */

    46         void ConstructL();

    47 

    48     public: // Functions from CVedH263Dec                    

    49 

    50         /**

    51         * From CVedH263Dec Sets the renderer to be used

    52         */    

    53         void SetRendererL(MVideoRenderer* aRenderer);

    54         

    55         /**

    56         * From CVedH263Dec Sets the post-filter to be used

    57         */ 

    58         void SetPostFilterL(const TPostFilter aFilter);

    59 

    60         /**

    61         * From CVedH263Dec Returns the frame to the decoder subsystem

    62         */ 

    63         void FrameRendered(const TAny *aFrame);               

    64 

    65         /**

    66         * From CVedH263Dec Checks if the given frame is valid

    67         */ 

    68         TBool FrameValid(const TAny *aFrame);

    69 

    70         /**

    71         * From CVedH263Dec Retrieves Y/U/V pointers to the given frame

    72         */ 

    73         TInt GetYUVBuffers(const TAny *aFrame, TUint8*& aYFrame, TUint8*& aUFrame, 

    74                            TUint8*& aVFrame, TSize& aFrameSize);

    75 

    76         /**

    77         * From CVedH263Dec Retrieves the latest decoded YUV frame

    78         */ 

    79         TUint8* GetYUVFrame();

    80 

    81         /**

    82         * From CVedH263Dec Decodes / transcodes a compressed frame

    83         */ 

    84         void DecodeFrameL(const TPtrC8& aInputBuffer, TPtr8& aOutputBuffer,

    85                           TBool& aFirstFrame, TInt& aBytesDecoded,

    86                           vdeDecodeParamters_t *aDecoderInfo);

    87 

    88 		void DecodeFrameL(const TPtrC8& aInputBuffer, TPtr8& aOutputBuffer,                                  TBool& aFirstFrame, TInt& aBytesDecoded, 

    89 			              const TColorEffect aColorEffect,

    90 						  const TBool aGetDecodedFrame, TInt aFrameOperation,

    91 						  TInt* aTrP, TInt* aTrD, TInt aVideoClipNumber, TInt aSMSpeed, 

    92 						  TInt aDataFormat);

    93         

    94         /**

    95         * From CVedH263Dec Decodes a compressed frame

    96         */ 

    97         void DecodeFrameL(const TPtrC8& aInputBuffer, TBool& aFirstFrame, TInt& aBytesDecoded, 

    98 					TInt aDataFormat);

    99 

   100         

   101         /**

   102         * From CVedH263Dec Check the VOS header

   103         */ 

   104 		TBool CheckVOSHeaderL(TPtrC8& aInputBuffer);

   105 

   106 

   107 private:

   108 

   109     // H.263 decoder instance handle

   110     h263dHInstance_t iH263dHandle; 

   111 

   112     // frame dimensions

   113     TSize iFrameSize;  

   114 

   115 };

   116 

   117 

   118 

   119 

   120 

   121 

   122 #endif