javauis/mmapi_akn/baseline/src.dsa/cmmacameraplayerfactory.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 19 Aug 2010 09:48:13 +0300
branchRCL_3
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permissions -rw-r--r--
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/*
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* Copyright (c) 2002-2007 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:  This class is used for creating camera players.
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*
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*/
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//  INCLUDE FILES
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#include <e32std.h>
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#include <jdebug.h>
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#include "cmmacameraplayerfactory.h"
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#include "cmmacameraplayer.h"
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#include "cmmavideocontrol.h"
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#include "cmmavideorecordcontrol.h"
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#include "cmmastoptimecontrol.h"
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#include "cmmaplayerproperties.h"
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#include "cmmammfresolver.h"
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_LIT(KDefaultVideo, "video");
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//is the main camera
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_LIT(KDevcamZero,  "devcam0");
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// the secondary camera
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_LIT(KDevcamOne,  "devcam1");
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_LIT(KEncodingProperty, "encoding");
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_LIT(KVideoMp4MimeType, "video/mp4");
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_LIT(KVideoH264MimeType, "video/H264");
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CMMACameraPlayerFactory* CMMACameraPlayerFactory::NewLC()
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{
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    CMMACameraPlayerFactory* pFactory =
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        new(ELeave) CMMACameraPlayerFactory();
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    CleanupStack::PushL(pFactory);
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    return pFactory;
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}
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CMMACameraPlayerFactory::CMMACameraPlayerFactory()
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{
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}
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CMMACameraPlayerFactory::~CMMACameraPlayerFactory()
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{
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    delete iAudioSettings;
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}
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CMMAPlayer* CMMACameraPlayerFactory::CreatePlayerL(
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    CMMAMMFResolver* aResolver)
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{
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    DEBUG("MMA::CMMACameraPlayerFactory::CreatePlayerL( aResolver )+");
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    CMMACameraPlayer* player = CMMACameraPlayer::NewLC(iCameraIndex);
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    /* Add VideoControl */
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    CMMAVideoControl* videoControl = new(ELeave)CMMAVideoControl(player);
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    CleanupStack::PushL(videoControl);
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    player->AddControlL(videoControl);
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    CleanupStack::Pop(videoControl);
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    /* Add RecordControl */
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    CMMAVideoRecordControl* videoRecordControl =
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        CMMAVideoRecordControl::NewL(player,
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                                     aResolver,
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                                     iVideoSettings,
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                                     iAudioSettings,
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                                     player->CameraHandle());
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    CleanupStack::PushL(videoRecordControl);
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    player->AddControlL(videoRecordControl);
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    // ownership transfered to player
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    CleanupStack::Pop(videoRecordControl);
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    // With record control view finder can't be stopped,
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    // because it can not be restarted.
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    player->SetViewFinderMode(EFalse);
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    CleanupStack::Pop(player);
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    return player;
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}
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void CMMACameraPlayerFactory::MediaIdsL(RArray<TUid>& aMediaIds)
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{
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    CleanupClosePushL(aMediaIds);
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    User::LeaveIfError(aMediaIds.Append(KUidMediaTypeVideo));
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    CleanupStack::Pop();
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}
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void CMMACameraPlayerFactory::PreparePluginSelectionParametersL(
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    CMMAMMFResolver* aResolver,
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    CMMFFormatSelectionParameters* aFormatSelection)
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{
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    // We are creating record type player
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    aResolver->SetRequiredRecordFormatSupportL(*aFormatSelection);
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}
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CMMAPlayer* CMMACameraPlayerFactory::CreatePlayerL(const TDesC&)
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   111
{
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parents:
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   112
    // record player cannot be created from conten-type, since this is used only
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parents:
diff changeset
   113
    // when we have also data
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parents:
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   114
    return NULL;
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parents:
diff changeset
   115
}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   116
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   117
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parents:
diff changeset
   118
CMMAPlayer* CMMACameraPlayerFactory::CreatePlayerL(const TDesC8&)
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parents:
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   119
{
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parents:
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   120
    // record player cannot be created with header data
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parents:
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   121
    return NULL;
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parents:
diff changeset
   122
}
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parents:
diff changeset
   123
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parents:
diff changeset
   124
CMMAPlayer* CMMACameraPlayerFactory::CreatePlayerL(
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parents:
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   125
    const TDesC& aProtocol,
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parents:
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   126
    const TDesC& aMiddlePart,
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parents:
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   127
    const TDesC& aParameters)
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parents:
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   128
{
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parents:
diff changeset
   129
    DEBUG_STR("MMA::CMMACameraPlayerFactory::CreatePlayerL aParameters = %S", aParameters);
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parents:
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   130
    // check that locator is capture:://audio
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parents:
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   131
    if (aProtocol != KMMACaptureProtocol)
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parents:
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   132
    {
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parents:
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   133
        return NULL;
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parents:
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   134
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   135
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parents:
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   136
    iCameraIndex = KErrNotFound;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   137
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parents:
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   138
    // If the device supports multiple cameras then "capture://devcam0" is the
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   139
    // main camera pointing outwards from the user. "capture://devcam1" is the
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   140
    // secondary camera pointing e.g. towards the user. "capture://video" is
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   141
    // the default camera locator pointing to the same camera as "devcam0"
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parents:
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   142
    if ((aMiddlePart == KDefaultVideo) ||
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   143
            (aMiddlePart == KDevcamZero))
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parents:
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   144
    {
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parents:
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   145
        // First camera
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parents:
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   146
        iCameraIndex = 0;
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parents:
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   147
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   148
    else if (aMiddlePart == KDevcamOne)
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parents:
diff changeset
   149
    {
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parents:
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   150
        // Second camera.
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parents:
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   151
        iCameraIndex = 1;
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parents:
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   152
    }
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parents:
diff changeset
   153
    else
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parents:
diff changeset
   154
    {
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parents:
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   155
        // not supported type
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parents:
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   156
        return NULL;
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parents:
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   157
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   158
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   159
    CMMAAudioSettings* audioSettings = new(ELeave) CMMAAudioSettings;
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parents:
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   160
    audioSettings->iDataType = KMMFFourCCCodeNULL;
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parents:
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   161
    delete iAudioSettings;
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parents:
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   162
    iAudioSettings = audioSettings;
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parents:
diff changeset
   163
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parents:
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   164
    if (aParameters.Length() == 0)
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parents:
diff changeset
   165
    {
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parents:
diff changeset
   166
        // getting defaults from validator
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parents:
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   167
        iVideoSettings = TMMAParameterValidator::ValidateVideoPropertiesL(aParameters);
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parents:
diff changeset
   168
    }
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parents:
diff changeset
   169
    else
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parents:
diff changeset
   170
    {
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parents:
diff changeset
   171
        // we accept either video or mixed parameters, so properties must contain encoding 2 times for mixed and
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parents:
diff changeset
   172
        // 1 time for video.
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parents:
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   173
        // making tmp des without first "encoding"
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parents:
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   174
        TInt lengthWithoutEncoding = aParameters.Length() - KEncodingProperty().Length();
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parents:
diff changeset
   175
        if (lengthWithoutEncoding < 0)
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parents:
diff changeset
   176
        {
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parents:
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   177
            User::Leave(KErrArgument);
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parents:
diff changeset
   178
        }
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parents:
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   179
        TPtrC tmp = aParameters.Right(lengthWithoutEncoding);
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parents:
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   180
        // finding second "encoding"
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parents:
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   181
        TInt videoPropertiesStartPos = tmp.Find(KEncodingProperty);
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parents:
diff changeset
   182
        if (videoPropertiesStartPos == KErrNotFound)
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parents:
diff changeset
   183
        {
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parents:
diff changeset
   184
            // there is not another encoding, so assuming that there is only video parameters
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parents:
diff changeset
   185
            iVideoSettings = TMMAParameterValidator::ValidateVideoPropertiesL(aParameters);
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parents:
diff changeset
   186
        }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   187
        else
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   188
        {
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parents:
diff changeset
   189
            // there is mixed parameters
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parents:
diff changeset
   190
            videoPropertiesStartPos += KEncodingProperty().Length();
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parents:
diff changeset
   191
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parents:
diff changeset
   192
            // skipping '&' char
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
            TPtrC audioProperties = aParameters.Left(videoPropertiesStartPos - 1);
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parents:
diff changeset
   194
            TPtrC videoProperties = aParameters.Mid(videoPropertiesStartPos);
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parents:
diff changeset
   195
            iVideoSettings = TMMAParameterValidator::ValidateVideoPropertiesL(videoProperties);
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parents:
diff changeset
   196
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parents:
diff changeset
   197
            CMMAAudioSettings* audioSettings = TMMAParameterValidator::ValidateAudioPropertiesL(audioProperties);
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parents:
diff changeset
   198
            delete iAudioSettings;
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parents:
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   199
            iAudioSettings = audioSettings;
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parents:
diff changeset
   200
        }
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parents:
diff changeset
   201
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
    // if wanted video capture encoding is H264, we must create player with video/mp4
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   204
    // because mmf doesn't have controller for H264
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   205
    if (iVideoSettings.iEncoding.Compare(KVideoH264MimeType) == 0)
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parents:
diff changeset
   206
    {
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parents:
diff changeset
   207
        return CMMAMMFPlayerFactory::CreatePlayerL(KVideoMp4MimeType);
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parents:
diff changeset
   208
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   209
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parents:
diff changeset
   210
    // Find controller with content-type
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
    return CMMAMMFPlayerFactory::CreatePlayerL(iVideoSettings.iEncoding);
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parents:
diff changeset
   212
}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
void CMMACameraPlayerFactory::GetSupportedProtocolsL(
6c158198356e Revision: v2.2.9
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
    const TDesC& aContentType,
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   216
    CDesC16Array& aProtocolArray)
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parents:
diff changeset
   217
{
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parents:
diff changeset
   218
    if (IsSupportedContentTypeL(aContentType))
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   219
    {
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parents:
diff changeset
   220
        aProtocolArray.AppendL(KMMACaptureProtocol);
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    }
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}
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//  END OF FILE