multimediacommsengine/mmceshared/src/mcecomh263codec.cpp
author hgs
Fri, 23 Apr 2010 23:37:24 +0300
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permissions -rw-r--r--
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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:    
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*
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*/
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#include "mcecomh263codec.h"
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const TReal KMceH263DefaultLoweredFrameRate = 12;
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CMceComH263Codec::NewL
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// -----------------------------------------------------------------------------
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//
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CMceComH263Codec* CMceComH263Codec::NewL( TBuf8<KMceMaxSdpNameLength> aSdpName )
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    {
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    CMceComH263Codec* self = NewLC( aSdpName );
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    CleanupStack::Pop( self );
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CMceComH263Codec::NewLC
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// -----------------------------------------------------------------------------
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//
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CMceComH263Codec* CMceComH263Codec::NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName )
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    {
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    CMceComH263Codec* self = new (ELeave) CMceComH263Codec();
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    CleanupStack::PushL( self );
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    self->ConstructL( aSdpName );
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CMceComH263Codec::~CMceComH263Codec
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// -----------------------------------------------------------------------------
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//
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CMceComH263Codec::~CMceComH263Codec()
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    {
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    }
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// -----------------------------------------------------------------------------
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// CMceComH263Codec::CMceComH263Codec
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// -----------------------------------------------------------------------------
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//
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CMceComH263Codec::CMceComH263Codec()
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    :CMceComVideoCodec()
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    {
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    iClockRate = KMceH263ClockRate;
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    iFrameRate = KMceH263DefaultLoweredFrameRate;
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    iResolutionWidth = KMceH263FrameWidth;
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    iResolutionHeight = KMceH263FrameHeight;
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    iBitrate = KMceH263DefaultBitrate;
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	iMaxBitRate = KMceH263DefaultMaxBitrate;
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	iAllowedBitrates = KMceH263DefaultAllowedBitrate;
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    iFrameSize = KMceH263DefaultFrameSize;
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    // Defaults should be defined in MCE API
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    const TUint8 KMceDefaultH263PayloadType = 97;
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	iPayloadType = KMceDefaultH263PayloadType;
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    iReceiveFrameRate = KMceH263FrameRate;
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    }
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// -----------------------------------------------------------------------------
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// CMceComH263Codec::ConstructL
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// -----------------------------------------------------------------------------
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//
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CMceComVideoCodec* CMceComH263Codec::CloneL()
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    {
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    CMceComH263Codec* copy = new (ELeave) CMceComH263Codec();
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    CleanupStack::PushL( copy );
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    copy->ConstructL( *this );
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    CleanupStack::Pop( copy );
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    return copy;
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    }
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// -----------------------------------------------------------------------------
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// CMceComH263Codec::ConstructL
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// -----------------------------------------------------------------------------
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//
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void CMceComH263Codec::ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName )
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    {
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    CMceComVideoCodec::ConstructL( aSdpName );
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    // NOTE: 1998 mode codec is disabled by default in order to prevent
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    // default offer to contain both 2000 and 1998 mode versions
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    if ( iSdpName.CompareF( KMceSDPNameH2631998 ) == 0 )
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        {
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        iState = CMceCodec::EDisabled; 
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        }
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    }
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parents:
diff changeset
   116
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parents:
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   117
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// -----------------------------------------------------------------------------
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   119
// CMceComH263Codec::ConstructL
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// -----------------------------------------------------------------------------
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//
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void CMceComH263Codec::ConstructL( CMceComH263Codec& aCodec )
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   123
    {
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    CMceComVideoCodec::ConstructL( aCodec );
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   125
    }
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parents:
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   126
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parents:
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   127
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// -----------------------------------------------------------------------------
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// CMceComH263Codec::SetBitrate
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// -----------------------------------------------------------------------------
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//
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TInt CMceComH263Codec::SetBitrate( TUint aBitrate )
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    {
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   134
	return CMceComCodec::SetBitrate( aBitrate );
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   135
    }
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parents:
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   136
    
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// -----------------------------------------------------------------------------
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   138
// CMceComH263Codec::SetAllowedBitrates
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// -----------------------------------------------------------------------------
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   140
//
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   141
TInt CMceComH263Codec::SetAllowedBitrates( TUint aBitrates )
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   142
    {
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    TInt error = KErrNone;
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   144
    
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   145
    //Confirm that the bitrate mask is valid
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   146
    //I.e. after all the valid bitrates are set to zero the value should be zero
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   147
    if ( !aBitrates || 
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   148
        ( aBitrates >> 8 ) > 0 ) 
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   149
        {
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   150
        error = KErrArgument;
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   151
        }
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   152
    else
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parents:
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   153
        {
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   154
        CMceComCodec::SetAllowedBitrates( KMceAllowedH263BitrateAll );
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   155
        iAllowedBitrates &= aBitrates;
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   156
        CMceComVideoCodec::SetMaxBitrate( GetMaxBitRate() );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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   157
        if ( iBitrate > iMaxBitRate )
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parents:
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   158
            {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   159
            error = CMceComCodec::SetBitrate( iMaxBitRate );
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parents:
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   160
            }
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parents:
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   161
        }
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parents:
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   162
    
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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   163
    return error;
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parents:
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   164
    
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parents:
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   165
    }
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parents:
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   166
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parents:
diff changeset
   167
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   168
// -----------------------------------------------------------------------------
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parents:
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   169
// CMceComH263Codec::GetMaxBitRate
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parents:
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   170
// -----------------------------------------------------------------------------
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   171
//
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   172
TUint CMceComH263Codec::GetMaxBitRate()
1bce908db942 Revision: 201003
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parents:
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   173
    {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   174
    if( iAllowedBitrates & KMceAllowedH263Bitrate45 )
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   175
        {
1bce908db942 Revision: 201003
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   176
        return KMceH263Level45Bitrate;
1bce908db942 Revision: 201003
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   177
        }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   178
    else if( iAllowedBitrates & KMceAllowedH263Bitrate10 )
1bce908db942 Revision: 201003
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parents:
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   179
        {
1bce908db942 Revision: 201003
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   180
        return KMceH263Level10Bitrate;
1bce908db942 Revision: 201003
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parents:
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   181
        }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   182
    else
1bce908db942 Revision: 201003
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parents:
diff changeset
   183
        {
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   184
        return 0;    
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   185
        }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   186
    
1bce908db942 Revision: 201003
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parents:
diff changeset
   187
    }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   188
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   189
// -----------------------------------------------------------------------------
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   190
// CMceComH263Codec::SetMaxBitrate
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
// -----------------------------------------------------------------------------
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   192
//
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff changeset
   193
TInt CMceComH263Codec::SetMaxBitrate( TUint aMaxBitrate )
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   194
    {
1bce908db942 Revision: 201003
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   195
    TInt status = KErrNone;
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   196
	switch( aMaxBitrate )
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
	    {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
	    case KMceH263Level10Bitrate:
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
	        {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   200
	        status = SetAllowedBitrates( KMceAllowedH263Bitrate10 );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   201
	        break;
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
	        }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
	    case KMceH263Level45Bitrate:
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   204
	        {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   205
	        status = SetAllowedBitrates( KMceAllowedH263Bitrate45 );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
	        break;
1bce908db942 Revision: 201003
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parents:
diff changeset
   207
	        }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   208
        default:
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   209
            {
1bce908db942 Revision: 201003
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parents:
diff changeset
   210
            status = KErrNotSupported;
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
            break;
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   212
            }
1bce908db942 Revision: 201003
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parents:
diff changeset
   213
	    }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
1bce908db942 Revision: 201003
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parents:
diff changeset
   215
    return status;
1bce908db942 Revision: 201003
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parents:
diff changeset
   216
    
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
    }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   219
// -----------------------------------------------------------------------------
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   220
// CMceComH263Codec::ResolveAllowedBitrates
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   221
// -----------------------------------------------------------------------------
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   222
//
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   223
TInt CMceComH263Codec::ResolveAllowedBitrates( 
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   224
    TUint aBitrate, TUint& aAllowedBitrates )
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   225
    {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   226
    TInt retVal( KErrNone );
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   227
    
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   228
    if ( aBitrate <= KMceH263Level10Bitrate )
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   229
        {
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   230
        aAllowedBitrates = KMceAllowedH263Bitrate10;
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   231
        }
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   232
    else if ( aBitrate <= KMceH263Level45Bitrate )
1bce908db942 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   233
        {
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        aAllowedBitrates = KMceAllowedH263BitrateAll;
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        }
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    else 
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        {
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        retVal = KErrNotSupported;
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        }
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    return retVal;
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    }
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// End of File
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