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 

    19 #include <e32std.h>

    20 #include <e32base.h> 

    21 

    22 

    23 #include "VideoRecordingQualityLevels.h"

    24 

    25 

    26 // CONSTANTS

    27 const TInt KQualityLevelArrayGranularity = 3;

    28 

    29 CVideoRecordingQualityLevels::CVideoRecordingQualityLevels()

    30     {

    31     // TODO Auto-generated constructor stub

    32 

    33     }

    34 

    35 CVideoRecordingQualityLevels::~CVideoRecordingQualityLevels()

    36     {

    37     delete iQualityLevels;

    38     }

    39 

    40 void CVideoRecordingQualityLevels::ConstructL()

    41     {

    42 

    43     iQualityLevels = new( ELeave ) CArrayFixFlat<CVideoRecordingQualityLevel>( KQualityLevelArrayGranularity );

    44 

    45     }

    46 

    47 CVideoRecordingQualityLevels* CVideoRecordingQualityLevels::NewL()

    48     {

    49 

    50     CVideoRecordingQualityLevels* self = new( ELeave ) CVideoRecordingQualityLevels;

    51 

    52     CleanupStack::PushL( self );

    53     self->ConstructL();

    54     CleanupStack::Pop( self );

    55 

    56 

    57     return self;

    58     }

    59 

    60 TInt CVideoRecordingQualityLevels::InitDefaultsL()

    61     {

    62 

    63     // Delete all elements from the array and 

    64     // free the memory allocated to the array buffer.

    65     iQualityLevels->Reset();

    66 

    67     // Initialize hardcoded default quality levels.

    68 

    69     TSize size;

    70 

    71     CVideoRecordingQualityLevel* videoQualityLevel = new( ELeave ) CVideoRecordingQualityLevel;

    72     CleanupStack::PushL( videoQualityLevel );

    73     

    74     // Level 0:

    75     size.SetSize( KImgWidthQCIF, KImgHeightQCIF );

    76     videoQualityLevel->iFrameSize    = size;

    77     videoQualityLevel->iFrameRate    = 15.0;  // Frames per second. Basically HW dependent.

    78     videoQualityLevel->iBitRate      = 64000; // Bits per second. Basically HW dependent.

    79     videoQualityLevel->iAudioEnabled = EFalse;

    80     videoQualityLevel->iAudioBitRate = 12200; // Bits per second. Basically HW dependent.

    81     videoQualityLevel->iMimeType.Copy( KVideoMimeType );

    82     videoQualityLevel->iPreferredSupplier.Copy( KPreferredSupplier );

    83     videoQualityLevel->iVideoType.Copy( KVideoType );

    84     videoQualityLevel->iAudioType.Copy( KAudioType );

    85     videoQualityLevel->iStorageRate = 78000;  // That many bits per second to store. Estimate only

    86 

    87     iQualityLevels->AppendL( *videoQualityLevel );

    88 

    89     // Level 1:

    90     size.SetSize( KImgWidthSubQCIF, KImgHeightSubQCIF );

    91     videoQualityLevel->iFrameSize    = size;

    92     videoQualityLevel->iFrameRate    = 15.0;  // Frames per second. Basically HW dependent.

    93     videoQualityLevel->iBitRate      = 60000; // Bits per second. Basically HW dependent.

    94     videoQualityLevel->iAudioEnabled = EFalse;

    95     videoQualityLevel->iAudioBitRate = 6700;  // Bits per second. Basically HW dependent.

    96     videoQualityLevel->iMimeType.Copy( KVideoMimeType );

    97     videoQualityLevel->iPreferredSupplier.Copy( KPreferredSupplier );

    98     videoQualityLevel->iVideoType.Copy( KVideoType );

    99     videoQualityLevel->iAudioType.Copy( KAudioType );

   100     videoQualityLevel->iStorageRate = 68000;  // That many bits per second to store. Estimate only

   101 

   102     iQualityLevels->AppendL( *videoQualityLevel );

   103 

   104     // Level 2:

   105     size.SetSize( KImgWidthSubQCIF, KImgHeightSubQCIF );

   106     videoQualityLevel->iFrameSize    = size;

   107     videoQualityLevel->iFrameRate    = 5.0;   // Frames per second. Basically HW dependent.

   108     videoQualityLevel->iBitRate      = 40000; // Bits per second. Basically HW dependent.

   109     videoQualityLevel->iAudioEnabled = EFalse;

   110     videoQualityLevel->iAudioBitRate = 5150;  // Bits per second. Basically HW dependent.

   111     videoQualityLevel->iMimeType.Copy( KVideoMimeType );

   112     videoQualityLevel->iPreferredSupplier.Copy( KPreferredSupplier );

   113     videoQualityLevel->iVideoType.Copy( KVideoType );

   114     videoQualityLevel->iAudioType.Copy( KAudioType );

   115     videoQualityLevel->iStorageRate = 47000;  // That many bits per second to store. Estimate only

   116 

   117     iQualityLevels->AppendL( *videoQualityLevel );

   118 

   119     CleanupStack::PopAndDestroy( videoQualityLevel );

   120 

   121 

   122     return iQualityLevels->Count();

   123     }

   124 

   125 

   126 // -----------------------------------------------------------------------------

   127 // CCaeVideoQualityLevelsCont::Count

   128 // -----------------------------------------------------------------------------

   129 //

   130 TInt CVideoRecordingQualityLevels::Count() const

   131     {

   132     return iQualityLevels->Count();

   133     }

   134 

   135         

   136 // -----------------------------------------------------------------------------

   137 // CCaeVideoQualityLevelsCont::At

   138 // -----------------------------------------------------------------------------

   139 //

   140 CVideoRecordingQualityLevel& CVideoRecordingQualityLevels::At( 

   141     TInt aIndex ) const

   142     {

   143     return iQualityLevels->At( aIndex );

   144     }