1 /*

     2 * Copyright (c) 2009 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:  Engine video quality level and container.

    15 *

    16 */

    17 

    18 #ifndef VIDEORECORDINGQUALITYLEVELS_H_

    19 #define VIDEORECORDINGQUALITYLEVELS_H_

    20 

    21 

    22 const TInt KMaxVideoStringParLength = 32;

    23 const TInt KMaxAudioTypeStringParLength = 4;

    24 

    25 const TInt KMaxVideoQltyLevelCount = 6;

    26 

    27 const TInt KImgWidthSubQCIF  = 128; 

    28 const TInt KImgHeightSubQCIF = 96; 

    29 

    30 const TInt KImgWidthQCIF     = 176; 

    31 const TInt KImgHeightQCIF    = 144; 

    32 

    33 const TInt KImgWidthCIF      = 352; 

    34 const TInt KImgHeightCIF     = 288; 

    35 

    36 _LIT8(KVideoMimeType, "video/3gpp");

    37 

    38 _LIT(KPreferredSupplier, "Nokia");

    39 

    40 _LIT8(KVideoType, "video/H263-2000");

    41 

    42 _LIT8(KAudioType, " AMR");

    43 

    44 class CVideoRecordingQualityLevel : public CBase

    45     {

    46 public:

    47     CVideoRecordingQualityLevel(){}

    48     virtual ~CVideoRecordingQualityLevel(){}

    49     

    50 public:

    51 

    52     // The video recording frame size.

    53     TSize iFrameSize;

    54 

    55     // The video recording frame rate.

    56     TReal32 iFrameRate;

    57 

    58     // The video recording bit rate.

    59     TInt iBitRate;

    60 

    61     // A Boolean indicating if video recording audio is enabled or not.

    62     TBool iAudioEnabled;

    63 

    64     // The video recording audio bit rate.

    65     TInt iAudioBitRate;

    66 

    67     // The video MIME type (e.g. "video/3gpp").

    68     TBuf8<KMaxVideoStringParLength> iMimeType;

    69 

    70     // The preferred supplier of video controller (e.g. "Company X").

    71     TBuf<KMaxVideoStringParLength> iPreferredSupplier;

    72 

    73     // The video type (e.g. "video/H263-2000").

    74     TBuf8<KMaxVideoStringParLength> iVideoType;

    75 

    76     // The audio type expressed with four characters (e.g. " AMR").

    77     TBuf8<KMaxAudioTypeStringParLength> iAudioType;

    78 

    79     // The estimated video recording bit rate to storage (bits per second).

    80     TInt iStorageRate;

    81     };

    82 

    83 

    84 class CVideoRecordingQualityLevels : public CBase

    85     {

    86 public:

    87     /**

    88     * Destructor.

    89     */

    90     virtual ~CVideoRecordingQualityLevels();

    91     

    92     /**

    93     * Two-phased constructor.

    94     */

    95     static CVideoRecordingQualityLevels* NewL();

    96 

    97     /**

    98     * Initializes quality levels to hardcoded default values.

    99     * @return The count of quality levels initialized

   100     */

   101     TInt InitDefaultsL();

   102     

   103     /**

   104     * Gets the quality level count.

   105     * @return Quality level count

   106     */

   107     TInt Count() const;

   108 

   109     /**

   110     * Gets the specified quality level.

   111     * @param aIndex Quality level index

   112     * @return Video quality level

   113     */

   114     CVideoRecordingQualityLevel& At( 

   115         TInt aIndex ) const;

   116     

   117 private:

   118 

   119     /**

   120     * C++ constructor.

   121     */

   122     CVideoRecordingQualityLevels();

   123 

   124     /**

   125     * Symbian OS 2nd phase constructor that can leave.

   126     */

   127     void ConstructL();

   128     

   129 private:

   130 

   131     // Supported video recording quality levels.

   132     CArrayFixFlat<CVideoRecordingQualityLevel>* iQualityLevels;

   133     };

   134 

   135 #endif /* VIDEORECORDINGQUALITYLEVELS_H_ */