1 /*

     2 * Copyright (c) 2006-2007 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:      Base DLNA profile resolver class for av files.

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 

    22 

    23 #ifndef C_UPNPAVSOLVERBASE_H

    24 #define C_UPNPAVSOLVERBASE_H

    25 

    26 

    27 // system includes

    28 #include <3gplibrary/mp4lib.h>

    29 

    30 // user includes

    31 #include "upnpprofiler.h"

    32 

    33 // forward declarations

    34 class CVideoRecorderUtility;

    35 

    36 // constants

    37 const TInt TMP4DecoderSpecificInfoSize = 16;

    38 

    39 // NONE

    40 

    41 /**

    42  *  Av file DLNA profile base resolver class.

    43  *

    44  *  This class is the base class for resolving DLNA profile of av files.

    45  *  It contains methods for querying the profiles supported by this solver 

    46  *  and for resolving a DLNA profile of a given av file.

    47  *

    48  *

    49  *  @lib dlnaprofiler.lib

    50  *  @since S60 v3.1

    51  */

    52 NONSHARABLE_CLASS( CUpnpAvSolverBase ) : public CBase,

    53                                          public MUpnpProfiler

    54     {

    55 

    56 public:

    57 

    58     static CUpnpAvSolverBase* NewL();

    59 

    60     static CUpnpAvSolverBase* NewLC();

    61 

    62     virtual ~CUpnpAvSolverBase();

    63 

    64 // from base class MUpnpProfiler

    65 

    66     /**

    67      * From MUpnpProfiler.

    68      * SupportedProfilesL returns DLNA profiles that are currently supported.

    69      *

    70      * @since S60 v3.1

    71      * @param aProfiles Descriptor array where supported DLNA profiles are 

    72      *                  added.

    73      * @return TInt Error code, KErrNone if successfull.

    74      */

    75     TInt SupportedProfilesL( CDesC16ArrayFlat* aProfiles ) const;

    76 

    77     /**

    78      * From MUpnpProfiler.

    79      * ProfileForFileL is for resolving a DLNA profile of a given file.

    80      * Besides of file name, also mime type of the file is passed as a 

    81      * parameter in order to avoid re-opening of the file.

    82      *

    83      * @since S60 v3.1

    84      * @param aFileName Filename of the file which is to be resolved.

    85      * @param aMimeType Mime type of the file which is to be resolved.

    86      * @param aFile Handle to opened file specified by aFilename

    87      * @return DLNA profile of the file as a HBufC*, 

    88      *         NULL if could not be resolved

    89      */

    90     HBufC* ProfileForFileL( const TDesC& aFilename, 

    91                             const TDesC8& aMimetype,

    92                             RFile& aFile );

    93 

    94 

    95 private:

    96 

    97     CUpnpAvSolverBase();

    98 

    99     void ConstructL();

   100 

   101     /**

   102      * GetVideoFileInformationL

   103      *

   104      * @since S60 v3.1

   105      * @param aFileName Filename of the file which is to be resolved.

   106      * @return Error code. KErrNone if successfull.

   107      */

   108     TInt GetVideoFileInformationL( RFile& aFile );

   109 

   110     /**

   111      * A generic data container to be used in parsing different

   112      * MPEG4 codec headers

   113      */

   114     class TMP4DecoderSpecificInfo

   115         {

   116         public:

   117             TUint32 iData[TMP4DecoderSpecificInfoSize];

   118         };

   119 

   120 

   121 private: // data

   122 

   123     // Type of video codec within the AV file

   124     mp4_u32 iVideoType;

   125 

   126     // Video resolution X size

   127     mp4_u32 iVideoResolutionX;

   128 

   129     // Video resolution Y size

   130     mp4_u32 iVideoResolutionY;

   131 

   132     mp4_double iVideoFramerate;

   133 

   134     // Type of audio codec within the AV file

   135     mp4_u32 iAudioType;

   136 

   137     // stream bitrate

   138     mp4_u32 iStreamAverageBitrate;

   139 

   140     // codec-specific details

   141     TMP4DecoderSpecificInfo iCodecInfo;

   142 

   143     };

   144 

   145 #endif // C_UPNPAVSOLVERBASE_H