author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:31:01 +0100 | |
branch | RCL_3 |
changeset 23 | bc78a40cd63c |
parent 22 | 73a1feb507fb |
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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#ifndef MUSHENGCLIPSESSION_H |
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#define MUSHENGCLIPSESSION_H |
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// USER |
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#include "musengmceoutsession.h" |
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#include "musunittesting.h" |
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class MMusEngClipSessionObserver; |
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class CMusEngLiveSession; |
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class CMceFileSource; |
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class CMceAudioStream; |
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class CMceVideoStream; |
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class CMceAudioCodec; |
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class CMusEngClipSession : public CMusEngMceOutSession |
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{ |
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MUS_UNITTEST( UT_CMusEngClipSession ) |
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public: |
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/** |
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* |
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IMPORT_C static CMusEngClipSession* NewL( |
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const TRect& aRect, |
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MMusEngSessionObserver& aSessionObserver, |
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MMusEngOutSessionObserver& aOutSessionObserver, |
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MMusEngClipSessionObserver& aClipSessionObserver, |
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TUint aSipProfileId = 0 ); |
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* |
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*/ |
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~CMusEngClipSession(); |
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public: // new API |
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/** |
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* Sets file to be shared during session. |
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* @pre File cannot be DRM protected |
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* @post InviteL can be called |
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* @leave One of the system wide error codes |
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* @param aFileName Name of the file to be shared |
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*/ |
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IMPORT_C void SetClipL( const TDesC& aFileName ); |
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/** |
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* Starts or stops fast forwarding the clip. Clip is left paused after |
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* stopping the fast forwarding. |
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* @pre Session is ongoing |
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* @param aUseFFWD ETrue to start FFWD, EFalse to stop it. |
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*/ |
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IMPORT_C void FastForwardL( TBool aUseFFWD ); |
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/** |
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* Starts or stops fast rewinding the clip. Clip is left paused after |
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* stopping the fast rewinding. |
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* @pre Session is ongoing |
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* @param aUseFRWD ETrue to start FRWD, EFalse to stop it. |
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*/ |
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IMPORT_C void FastRewindL( TBool aUseFRWD ); |
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/** |
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* Returns current position as time interval. |
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*/ |
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IMPORT_C TTimeIntervalSeconds PositionL(); |
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/** |
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* Returns duration of current clip as time interval |
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*/ |
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IMPORT_C TTimeIntervalSeconds DurationL(); |
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/** |
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* |
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*/ |
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IMPORT_C void SetPositionL (const TTimeIntervalSeconds &aPosition); |
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/** |
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* Starts transcoding of file. After the transcoding is complete, |
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* file to be shared is changed into the transcoded file. |
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* @pre MMusEngClipSessionObserver::TranscodingNeeded is called |
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* @param aFileName Name of the transcoding output file. |
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*/ |
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IMPORT_C void TranscodeL( const TFileName& aFileName ); |
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/** |
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* Cancels transcoding of file. |
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* @pre TranscodeL has been called succesfully and transcoding |
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* is not completed |
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*/ |
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IMPORT_C void CancelTranscodeL(); |
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public: // implementation of virtual API from CMusEngMceOutSession |
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/** |
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* Resumes previously paused session. |
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* Continues showing file on display, resumes clip's audio, continues |
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* playing file and enables streaming to network. |
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* @leave KErrNotReady if called during FFWD or FRWD |
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*/ |
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IMPORT_C void PlayL(); |
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/** |
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* Pauses session. |
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* Holds display, mutes clip's audio, pauses file and |
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* disables all streaming to network. |
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* @leave KErrNotReady if called during FFWD or FRWD |
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*/ |
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IMPORT_C void PauseL(); |
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/** |
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* Tells whether session is paused or not |
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*/ |
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IMPORT_C TBool IsPlayingL(); |
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protected: // implementation of virtual helper from CMusEngMceOutSession |
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/** |
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* @param aLocalBundle All local streams are supposed to be added to |
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* this bundle |
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*/ |
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void CompleteSessionStructureL( CMceStreamBundle& aLocalBundle ); |
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protected: // overrides function from CMusEngMceOutSession |
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/** |
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* Checks 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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void EstablishSessionL(); |
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private: // from MMceStreamObserver, |
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// overrides the function in CMusEngMceSession |
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/** |
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* The state of the stream has changed. |
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* |
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* @param aStream, the stream that has changed. |
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*/ |
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void StreamStateChanged( CMceMediaStream& aStream ); |
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/** |
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* The state of the source has changed. |
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* @param aStream, the stream that uses the source. |
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* @param aSource, the source that has changed. |
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*/ |
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void StreamStateChanged( CMceMediaStream& aStream, |
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CMceMediaSource& aSource ); |
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private: |
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/** |
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* |
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*/ |
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CMusEngClipSession( MMusEngSessionObserver& aSessionObserver, |
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MMusEngOutSessionObserver& aOutSessionObserver, |
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MMusEngClipSessionObserver& aClipSessionObserver, |
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const TRect& aRect ); |
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/** |
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* @leave KErrPermissionDenied if file is DRM protected |
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*/ |
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void ConstructL( TUint aSipProfileId ); |
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private: // HELPERS |
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/** |
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* |
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*/ |
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TBool IsProtectedFileL( const TDesC& aClipFile ); |
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void AddAmrCodecL( CMceAudioStream& aAudioStream ); |
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void AddVideoCodecL( CMceVideoStream& aVideoStream, TBool aIgnoreNegotiated = EFalse ); |
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TBool HasClipEnded(); |
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TBool IsRewindFromEnd(); |
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/** |
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* Returns current position as microseconds. |
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*/ |
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TTimeIntervalMicroSeconds PositionMicroSecondsL(); |
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/** |
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* Constructs audio stream structure during session completion and adds |
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* it to session. |
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* @param aLocalBundle All local streams are supposed to be added to |
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* this bundle |
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* @pre iSession != NULL |
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*/ |
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void ConstructAudioStructureL( CMceStreamBundle& aLocalBundle ); |
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void DetermineBufferingPeriod( CMceMediaStream& aStream ); |
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TBool IsH264Supported() const; |
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void HandleTranscodingFailureL( TInt aError ); |
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TInt DoCompleteTranscoding(); |
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void DeleteTranscodingDestinationFileL(); |
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private: // Data |
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/** |
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* Reference to live session observer interface. |
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*/ |
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MMusEngClipSessionObserver& iClipSessionObserver; |
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TFileName iFileName; |
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TBool iTranscodingOngoing; |
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TTime iFFWDStartTime; |
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TTime iFRWDStartTime; |
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TTime iBufferingStartedTime; |
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TTimeIntervalMicroSeconds iBufferingPeriod; |
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TTimeIntervalMicroSeconds iDelayFileEndingPos; |
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TTimeIntervalMicroSeconds iPreviousPos; |
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TBool iClipEnded; |
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TFileName iTranscodingDestFileName; |
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TBool iRewindedToBeginning; |
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TBool iTranscodingRequiredDueMissingOptions; |
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TBool iPause; |
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}; |
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#endif |
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