author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:12:07 +0300 | |
branch | RCL_3 |
changeset 32 | 73a1feb507fb |
parent 21 | ce86b6d44a6d |
child 33 | bc78a40cd63c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2005 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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|
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// USER |
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#include "musengclipsession.h" |
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#include "musengmceoutsession.h" |
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#include "musenglivesession.h" |
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#include "musengmceutils.h" |
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#include "musenglogger.h" |
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#include "musengclipvideoplayer.h" |
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// SYSTEM |
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#include <lcsessionobserver.h> |
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#include <mcemanager.h> |
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#include <mcesession.h> |
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#include <mcestreambundle.h> |
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#include <mcefilesource.h> |
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#include <mcemediastream.h> |
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#include <mcevideostream.h> |
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#include <mceaudiostream.h> |
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#include <mcertpsink.h> |
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#include <mcedisplaysink.h> |
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#include <mcespeakersink.h> |
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#include <mceamrcodec.h> |
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#include <mcevideocodec.h> |
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#include <DRMCommon.h> |
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// CONSTANTS |
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const TInt KMusEngAmrBitRate = KMceAmrNbBitrate475; |
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const TUint KMusEngAllowedAmrBitrates = KMceAllowedAmrNbBitrate475; |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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CMusEngClipSession* CMusEngClipSession::NewL() |
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{ |
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CMusEngClipSession* self = new( ELeave )CMusEngClipSession(); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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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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// |
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// ----------------------------------------------------------------------------- |
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// |
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CMusEngClipSession::CMusEngClipSession() |
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: CMusEngMceOutSession() |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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void CMusEngClipSession::ConstructL() |
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{ |
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MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::ConstructL(...)" ) |
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CMusEngMceOutSession::ConstructL(); |
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iClipVideoPlayer = CMusEngClipVideoPlayer::NewL( *this, *this ); |
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MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::ConstructL(...)" ) |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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CMusEngClipSession::~CMusEngClipSession() |
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{ |
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MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::~CMusEngClipSession()" ) |
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delete iClipVideoPlayer; |
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MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::~CMusEngClipSession()" ) |
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} |
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// ----------------------------------------------------------------------------- |
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// From MLcSession |
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// ----------------------------------------------------------------------------- |
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// |
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MLcVideoPlayer* CMusEngClipSession::LocalVideoPlayer() |
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{ |
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return iClipVideoPlayer; |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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void CMusEngClipSession::CompleteSessionStructureL( |
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CMceStreamBundle& aLocalBundle ) |
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{ |
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MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::CompleteSessionStructureL()" ) |
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__ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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|
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// Create outgoing video stream |
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CMceVideoStream* videoStream = CMceVideoStream::NewLC(); |
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|
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CMceRtpSink* rtpsink = CMceRtpSink::NewLC(); |
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videoStream->AddSinkL( rtpsink ); |
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CleanupStack::Pop( rtpsink ); |
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|
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CMceFileSource* fileSource = |
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CMceFileSource::NewLC( *iManager, iClipVideoPlayer->LcFileName() ); |
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fileSource->DisableL(); // Start session in pause mode. |
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videoStream->SetSourceL( fileSource ); |
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CleanupStack::Pop( fileSource ); |
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|
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iSession->AddStreamL( videoStream ); |
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CleanupStack::Pop( videoStream ); |
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|
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ConstructAudioStructureL( aLocalBundle ); |
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iClipVideoPlayer->SetMceSession( iSession ); |
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|
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MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::CompleteSessionStructureL()" ) |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Checks that that there is no need for transcoding before calling |
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// overridden base class variant of this function. |
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// ----------------------------------------------------------------------------- |
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// |
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void CMusEngClipSession::EstablishSessionL() |
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{ |
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MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::EstablishSessionL()" ) |
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|
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__ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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|
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const RPointerArray<CMceMediaStream>& streams = iSession->Streams(); |
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|
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if ( iVideoCodecList ) |
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{ |
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MUS_LOG_TDESC8( "iVideoCodecList: ", iVideoCodecList->Des() ) |
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} |
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|
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CMceVideoStream* videoStream = NULL; |
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for ( TInt i = 0; i < streams.Count(); ++i ) |
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{ |
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if ( streams[i]->State() == CMceMediaStream::ETranscodingRequired ) |
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{ |
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User::Leave( KErrNotSupported ); |
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} |
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else if ( streams[i]->Type() == KMceVideo && |
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!IsH264Supported() ) |
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{ |
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MUS_LOG( " -> video stream found!!!" ) |
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videoStream = static_cast<CMceVideoStream*>( streams[i] ); |
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|
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//transcoding of H264 is not needed only if we know explicitly |
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//that the peer supports it (from OPTIONS response) |
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|
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const RPointerArray<CMceVideoCodec>& codecs = videoStream->Codecs(); |
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for ( TInt codecIndex = 0; codecIndex < codecs.Count(); ++codecIndex ) |
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{ |
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if ( codecs[codecIndex]->SdpName() == KMceSDPNameH264() ) |
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{ |
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User::Leave( KErrNotSupported ); |
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} |
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} |
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} |
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} |
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|
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CMusEngMceOutSession::EstablishSessionL(); |
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// Now session state is right to adjust volume |
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SetSpeakerVolumeL( LcVolumeL() ); |
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|
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MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::EstablishSessionL()" ) |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Implemented for MMceStreamObserver |
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// ----------------------------------------------------------------------------- |
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// |
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void CMusEngClipSession::StreamStateChanged( CMceMediaStream& aStream ) |
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{ |
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MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::StreamStateChanged()" ) |
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|
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if ( !iSession ) |
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{ |
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return; |
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} |
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|
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DetermineBufferingPeriod( aStream ); |
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|
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CMusEngMceSession::StreamStateChanged( aStream ); |
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|
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MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::StreamStateChanged()" ) |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Implemented for MMceStreamObserver |
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// ----------------------------------------------------------------------------- |
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// |
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void CMusEngClipSession::StreamStateChanged( CMceMediaStream& aStream, |
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CMceMediaSource& aSource ) |
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{ |
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MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::StreamStateChanged( src )" ) |
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|
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if ( !iSession ) |
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{ |
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return; |
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} |
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|
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MUS_ENG_LOG_STREAM_STATE( aStream ) |
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|
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DetermineBufferingPeriod( aStream ); |
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|
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if ( iClipVideoPlayer->HasClipEnded() ) |
0
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{ |
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MUS_LOG( "mus: [ENGINE] Clip ended." ) |
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InformObserverAboutPlayerStateChange( iClipVideoPlayer ); |
0
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} |
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else |
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{ |
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// Cannot handle, forward to the ancestor class |
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CMusEngMceSession::StreamStateChanged( aStream, aSource ); |
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} |
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|
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MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::StreamStateChanged( src )" ) |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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void CMusEngClipSession::AddAmrCodecL( CMceAudioStream& aAudioStream ) |
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{ |
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MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::AddAmrCodecL" ) |
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|
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// Remove old codecs |
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while ( aAudioStream.Codecs().Count() > 0 ) |
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{ |
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aAudioStream.RemoveCodecL( *aAudioStream.Codecs()[0] ); |
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} |
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|
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// Create AMR codec instance |
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const RPointerArray<const CMceAudioCodec>& supportedCodecs = |
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iManager->SupportedAudioCodecs(); |
0
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263 |
|
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CMceAudioCodec* amr = NULL; |
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|
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for ( TInt i = 0; i < supportedCodecs.Count(); ++i ) |
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{ |
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if ( supportedCodecs[i]->SdpName() == KMceSDPNameAMR() ) |
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{ |
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amr = supportedCodecs[i]->CloneL(); |
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CleanupStack::PushL( amr ); |
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User::LeaveIfError( |
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amr->SetAllowedBitrates( KMusEngAllowedAmrBitrates ) ); |
0
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User::LeaveIfError( amr->SetBitrate( KMusEngAmrBitRate ) ); |
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aAudioStream.AddCodecL( amr ); |
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CleanupStack::Pop( amr ); |
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break; // We must have only one codec |
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} |
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} |
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|
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__ASSERT_ALWAYS( amr, User::Leave( KErrNotFound ) ); |
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|
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MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::AddAmrCodecL" ) |
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} |
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285 |
|
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// ----------------------------------------------------------------------------- |
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// Create codec instance, H264 is used only if other end supports it for sure, |
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// otherwise H263 is used. |
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// ----------------------------------------------------------------------------- |
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// |
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void CMusEngClipSession::AddVideoCodecL( CMceVideoStream& aVideoStream ) |
0
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{ |
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MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::AddVideoCodecL" ) |
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|
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// Remove old codecs |
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|
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while ( aVideoStream.Codecs().Count() > 0 ) |
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298 |
{ |
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aVideoStream.RemoveCodecL( *aVideoStream.Codecs()[0] ); |
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} |
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301 |
|
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const RPointerArray< const CMceVideoCodec >& supportedCodecs = |
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iManager->SupportedVideoCodecs(); |
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304 |
|
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CMceVideoCodec* addedCodec = NULL; |
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|
32
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TPtrC8 addedCodecName = |
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IsH264Supported() ? KMceSDPNameH264() : KMceSDPNameH2632000(); |
0
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309 |
|
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MUS_LOG_TDESC8( "mus: [ENGINE] adding codec : ", addedCodecName ); |
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311 |
|
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for ( TInt i = 0; i < supportedCodecs.Count(); ++i ) |
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313 |
{ |
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if ( supportedCodecs[i]->SdpName() == addedCodecName ) |
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315 |
{ |
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addedCodec = supportedCodecs[i]->CloneL(); |
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CleanupStack::PushL( addedCodec ); |
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aVideoStream.AddCodecL( addedCodec ); |
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CleanupStack::Pop( addedCodec ); |
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break; // We must have only one codec |
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321 |
} |
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322 |
} |
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323 |
|
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__ASSERT_ALWAYS( addedCodec, User::Leave( KErrNotFound ) ); |
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325 |
|
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MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::AddVideoCodecL" ) |
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327 |
} |
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328 |
|
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// ----------------------------------------------------------------------------- |
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// If member file contains audio, add appropriate amount of audio streams to |
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// session structure |
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// ----------------------------------------------------------------------------- |
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333 |
// |
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void CMusEngClipSession::ConstructAudioStructureL( |
32
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CMceStreamBundle& aLocalBundle ) |
0
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336 |
{ |
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MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::ConstructAudioStructureL()" ) |
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338 |
|
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__ASSERT_ALWAYS( iSession, User::Leave( KErrNotReady ) ); |
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340 |
|
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341 |
// There is no clip audio present in operator variant |
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if ( iOperatorVariant ) |
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343 |
{ |
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344 |
MUS_LOG( " Operator variant, no audio constructed" ) |
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MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::ConstructAudioStructureL()" ) |
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346 |
return; |
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347 |
} |
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|
348 |
|
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|
349 |
CMceFileSource* fileSource = MusEngMceUtils::GetFileSourceL( *iSession ); |
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|
350 |
|
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|
351 |
TInt audioElementCount = fileSource->MediaElementCountL( KMceAudio ); |
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|
352 |
|
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|
353 |
MUS_LOG1( "mus: [ENGINE] File contains %d audio elements", |
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Revision: 200949
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354 |
audioElementCount ) |
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|
355 |
|
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356 |
for ( TInt i = 0; i < audioElementCount; ++i ) |
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357 |
{ |
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|
358 |
fileSource->SetCurrentMediaElementL( KMceAudio, i ); |
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|
359 |
|
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Revision: 200949
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|
360 |
MUS_LOG1( "mus: [ENGINE] Current audio element set to : %d ", i ) |
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|
361 |
|
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// Set up an audio outstream. |
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CMceAudioStream* audioOut = CMceAudioStream::NewLC(); |
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|
364 |
|
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Revision: 200949
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|
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CMceRtpSink* rtpSink = CMceRtpSink::NewLC(); |
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Revision: 200949
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|
366 |
audioOut->AddSinkL( rtpSink ); |
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Revision: 200949
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|
367 |
CleanupStack::Pop( rtpSink ); |
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|
368 |
|
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Revision: 200949
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|
369 |
audioOut->SetSourceL( fileSource ); |
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|
370 |
|
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Revision: 200949
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|
371 |
iSession->AddStreamL( audioOut ); |
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Revision: 200949
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|
372 |
CleanupStack::Pop( audioOut ); |
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|
373 |
|
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|
374 |
MUS_LOG( "mus: [ENGINE] Audio outstream created" ) |
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|
375 |
|
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|
376 |
// Set up an audio stream to local speaker |
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|
377 |
audioOut = CMceAudioStream::NewLC(); |
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|
378 |
|
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Revision: 200949
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|
379 |
MusEngMceUtils::AddSpeakerL( *audioOut ); |
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|
380 |
|
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Revision: 200949
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|
381 |
audioOut->SetSourceL( fileSource ); |
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Revision: 200949
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|
382 |
|
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Revision: 200949
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|
383 |
iSession->AddStreamL( audioOut ); |
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Revision: 200949
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|
384 |
CleanupStack::Pop( audioOut ); |
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Revision: 200949
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|
385 |
|
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Revision: 200949
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|
386 |
MUS_LOG( "mus: [ENGINE] Local audio stream created" ) |
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|
387 |
|
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Revision: 200949
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|
388 |
aLocalBundle.AddStreamL( *audioOut ); |
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Revision: 200949
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|
389 |
|
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Revision: 200949
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|
390 |
MUS_LOG( "mus: [ENGINE] Local audio stream added to bundle" ) |
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Revision: 200949
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|
391 |
} |
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Revision: 200949
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|
392 |
|
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Revision: 200949
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|
393 |
MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::ConstructAudioStructureL()" ) |
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Revision: 200949
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|
394 |
} |
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Revision: 200949
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diff
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|
395 |
|
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Revision: 200949
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|
396 |
// ----------------------------------------------------------------------------- |
f0cf47e981f9
Revision: 200949
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diff
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|
397 |
// Calculates how long MCE buffers based on time between buffering and streaming |
f0cf47e981f9
Revision: 200949
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|
398 |
// events. |
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Revision: 200949
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|
399 |
// ----------------------------------------------------------------------------- |
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Revision: 200949
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|
400 |
// |
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Revision: 200949
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|
401 |
void CMusEngClipSession::DetermineBufferingPeriod( CMceMediaStream& aStream ) |
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Revision: 200949
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diff
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|
402 |
{ |
f0cf47e981f9
Revision: 200949
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|
403 |
MUS_LOG( "mus: [ENGINE] -> CMusEngClipSession::DetermineBufferingPeriod()" ) |
f0cf47e981f9
Revision: 200949
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diff
changeset
|
404 |
|
f0cf47e981f9
Revision: 200949
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|
405 |
// Determine file position modifier from time difference between buffering |
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Revision: 200949
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|
406 |
// and streaming events |
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Revision: 200949
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diff
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|
407 |
if ( aStream.State() == CMceMediaStream::EBuffering ) |
f0cf47e981f9
Revision: 200949
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{ |
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iBufferingStartedTime.HomeTime(); |
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} |
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if ( aStream.State() == CMceMediaStream::EStreaming ) |
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{ |
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if ( iBufferingStartedTime.Int64() != 0 ) |
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{ |
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TTime currentTime; |
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currentTime.HomeTime(); |
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|
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TTimeIntervalMicroSeconds bufferingPeriod = |
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currentTime.MicroSecondsFrom( iBufferingStartedTime ); |
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|
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const TInt KMusMinimumBufferingPeriod( 500000 ); |
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if ( bufferingPeriod > KMusMinimumBufferingPeriod ) |
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{ |
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iClipVideoPlayer->SetBufferingPeriod( bufferingPeriod ); |
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} |
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|
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MUS_LOG1( "mus: [ENGINE] current buffering period:%d", |
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bufferingPeriod.Int64() ) |
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|
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iBufferingStartedTime = 0; |
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} |
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} |
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|
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MUS_LOG( "mus: [ENGINE] <- CMusEngClipSession::DetermineBufferingPeriod()" ) |
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} |
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|
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// End of file |