author | Mikael Laine <mikael.laine@ixonos.com> |
Fri, 29 Jan 2010 14:08:33 +0200 | |
changeset 0 | 951a5db380a0 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 Ixonos Plc. |
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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 the "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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* Ixonos Plc |
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* |
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* Description: |
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* |
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*/ |
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#ifndef __VEDVIDEOCLIP_H__ |
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#define __VEDVIDEOCLIP_H__ |
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#include <e32base.h> |
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#include <f32file.h> |
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#include "VedCommon.h" |
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#include "VedVideoClipInfo.h" |
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/* |
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* Forward declarations. |
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*/ |
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class CVedMovieImp; |
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class CAudClip; |
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/** |
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* Individual video clip stored as a single bitstream. |
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* |
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* @see CVedMovie |
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*/ |
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class CVedVideoClip : public CBase |
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{ |
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public: |
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/* Constructors. */ |
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static CVedVideoClip* NewL(CVedMovieImp* aMovie, const TDesC& aFileName, |
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TInt aIndex, CAudClip* aAudioClip, |
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MVedVideoClipInfoObserver& aObserver); |
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static CVedVideoClip* NewL(CVedMovieImp* aMovie, |
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CVedVideoClipGenerator& aGenerator, TInt aIndex, |
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MVedVideoClipInfoObserver& aObserver, TBool aIsOwnedByVideoClip); |
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static CVedVideoClip* NewL(CVedMovieImp* aMovie, RFile* aFileHandle, |
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TInt aIndex, CAudClip* aAudioClip, |
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MVedVideoClipInfoObserver& aObserver); |
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/* Destructor. */ |
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/** |
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* Destroys the object and releases all resources. |
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*/ |
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virtual ~CVedVideoClip(); |
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/* Property methods. */ |
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/** |
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* Returns a video clip info object to get detailed information about |
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* the original video clip. Note that the specified editing operations |
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* (for example, cutting or muting audio) do <em>not</em> |
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* affect the values returned by the info object. |
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* |
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* @return pointer to a video clip info instance |
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*/ |
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CVedVideoClipInfo* Info(); |
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/** |
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* Returns whether this video clip with the specified editing operations |
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* applied (for example, changing speed or muting) has an audio track or not. |
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* |
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* @return <code>ETrue</code> if clip has an audio track; |
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* <code>EFalse</code> otherwise |
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*/ |
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TBool EditedHasAudio() const; |
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/* Movie methods. */ |
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/** |
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* Returns the movie that this video clip is part of. |
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* |
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* @return movie |
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*/ |
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CVedMovieImp* Movie(); |
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/** |
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* Returns the index of this video clip in the movie. |
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* |
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* @return index of the clip |
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*/ |
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TInt Index() const; |
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/** |
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* Sets the index of this video clip in the movie. |
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* Panics with code <code>EVideoClipIllegalIndex</code> |
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* if the clip index is invalid. |
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* |
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* @param aIndex new index of this clip |
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*/ |
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void SetIndex(TInt aIndex); |
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/* Effect methods. */ |
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/** |
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* Returns the playback speed of this video clip. Playback speed is |
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* specified as parts per thousand of the normal playback speed. For example. |
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* 1000 means the normal speed, 750 means 75% of the normal speed, and so on. |
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* |
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* @return playback speed |
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*/ |
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TInt Speed() const; |
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/** |
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* Sets the playback speed of this video clip. Playback speed is |
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* specified as parts per thousand of the normal playback speed. For example. |
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* 1000 means the normal speed, 750 means 75% of the normal speed, and so on. |
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* Panics with <code>EVideoClipIllegalSpeed</code> if playback speed is |
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* illegal. |
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* |
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* @param aSpeed playback speed; must be between 1 and 1000 |
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*/ |
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void SetSpeed(TInt aSpeed); |
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/** |
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* Returns the color effect of this video clip. |
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* |
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* @return color effect |
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*/ |
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TVedColorEffect ColorEffect() const; |
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/** |
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* Sets the color effect of this video clip. |
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* |
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* @param aColorEffect color effect |
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*/ |
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void SetColorEffect(TVedColorEffect aColorEffect); |
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/** |
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* Returns the color tone. |
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* |
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* @return color tone |
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*/ |
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TRgb ColorTone() const; |
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/** |
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* Sets the color tone. |
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* |
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* @param aColorTone color tone |
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*/ |
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void SetColorTone(TRgb aColorTone); |
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/* Audio methods. */ |
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/** |
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* Returns whether this video clip can be muted or not (that is, |
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* whether the mute setting has any effect). For example, if |
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* this video clip has no audio track, it can never have audio |
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* even if the mute setting is false. |
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* |
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* @return <code>ETrue</code> if this video clip can be muted; |
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* <code>EFalse</code> otherwise |
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*/ |
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TBool IsMuteable() const; |
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/** |
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* Returns whether the audio track of this video clip is mute or not. |
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* This covers all mute cases: user muted, automatically muted (slow motion), |
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* and missing audio track. |
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* |
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* @return <code>ETrue</code> if the audio track is muted; |
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* <code>EFalse</code> otherwise |
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*/ |
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TBool Muting() const; |
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/** |
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* Returns whether the audio track of this video clip is explicitly |
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* muted by user or not. Returns ETrue also if there is no audio track at all. |
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* |
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* @return <code>ETrue</code> if the audio track is muted; |
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* <code>EFalse</code> otherwise |
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*/ |
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TBool IsMuted() const; |
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/** |
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* Returns whether the audio track of this video clip is normalized or not. |
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* |
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* @return <code>ETrue</code> if the audio track is normalized; |
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* <code>EFalse</code> otherwise |
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*/ |
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TBool Normalizing() const; |
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/** |
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* Sets whether the audio track of this video clip is muted or not. |
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* |
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* @param aVolume <code>ETrue</code> to mute the audio track; |
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* <code>EFalse</code> not to mute the audio track |
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*/ |
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void SetMuted(TBool aMuted); |
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/** |
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* Sets whether the audio track of this video clip is normalized or not. |
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* |
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* @param aNormalizing <code>ETrue</code> to normalize the audio track, |
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* <code>EFalse</code> not to normalize |
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*/ |
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void SetNormalizing(TBool aNormalizing); |
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/** |
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* Inserts a dynamic level mark to a clip. |
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* |
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* Possible leave codes: |
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* - <code>KErrNoMemory</code> if memory allocation fails |
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* |
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* @param aMark mark to be added |
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* @return index of the mark inserted |
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*/ |
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TInt InsertDynamicLevelMarkL(const TVedDynamicLevelMark& aMark); |
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/** |
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* Removes a dynamic level mark in a clip. |
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* |
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* @param aIndex index of the removed mark in this clip |
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* @return ETrue if mark was removed, EFalse otherwise |
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*/ |
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TBool RemoveDynamicLevelMark(TInt aIndex); |
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/** |
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* Returns a dynamic level mark at the specified index |
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* If the index is illegal, the method panics with the code |
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* <code>EIllegalDynamicLevelMarkIndex</code> |
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* |
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* @return A dynamic level mark |
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*/ |
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TVedDynamicLevelMark DynamicLevelMark(TInt aIndex) const; |
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/** |
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* Returns the number of dynamic level marks |
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* |
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* @return The number of dynamic level mark |
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*/ |
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TInt DynamicLevelMarkCount() const; |
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/** |
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* Sets common volume gain for the clip. It is used to store |
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* the gain; the actual processing will be based on dynamic level |
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* marks which are set based on the gain value just before processing. |
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* Since global gain setting may affect the dynamic level mark, |
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* we need different variable to store the clip-specific gain also after the processing. |
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* I.e. dynamic level marks do not have effect to this value. |
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* |
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* @param aVolumeGain |
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*/ |
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void SetVolumeGain(TInt aVolumeGain); |
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/** |
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* Gets common volume gain for the clip. |
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* Since global gain setting may affect the dynamic level mark, |
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* we need different variable to store the clip-specific gain also after the processing. |
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* |
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* @param aVolumeGain |
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*/ |
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TInt GetVolumeGain(); |
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/* Timing methods. */ |
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/** |
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* Returns the cut in time of this video clip in clip timebase. |
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* |
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* @return cut in time in microseconds in clip timebase |
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*/ |
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TTimeIntervalMicroSeconds CutInTime() const; |
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/** |
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* Sets the cut in time of this video clip in clip timebase. |
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* Panics with <code>EVideoClipIllegalCutInTime</code> if |
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* cut in time is illegal. |
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* |
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* @param aCutInTime cut in time in microseconds in clip timebase |
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void SetCutInTime(TTimeIntervalMicroSeconds aCutInTime); |
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/** |
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* Returns the cut out time of this video clip in clip timebase. |
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* |
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* @return cut out time in microseconds in clip timebase |
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*/ |
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TTimeIntervalMicroSeconds CutOutTime() const; |
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/** |
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* Sets the cut out time of this video clip in clip timebase. |
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* Panics with <code>EVideoClipIllegalCutOutTime</code> if |
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* cut out time is illegal. |
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* |
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* @param aCutOutTime cut out time in microseconds in clip timebase |
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void SetCutOutTime(TTimeIntervalMicroSeconds aCutOutTime); |
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/** |
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* Returns the start time of this video clip in movie timebase. |
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* |
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* @return start time in microseconds in movie timebase |
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*/ |
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TTimeIntervalMicroSeconds StartTime() const; |
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/** |
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* Returns the end time of this video clip in movie timebase. |
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* |
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* @return end time in microseconds in movie timebase |
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*/ |
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TTimeIntervalMicroSeconds EndTime() const; |
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/** |
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* Returns the duration of this video clip with the specified |
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* editing operations applied (for example, cutting |
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* and changing speed) |
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* |
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* @return duration in microseconds |
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*/ |
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TTimeIntervalMicroSeconds EditedDuration() const; |
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/** |
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* Update the audio clip timings. |
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*/ |
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void UpdateAudioClip(); |
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protected: |
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private: |
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/* |
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* Default contructor |
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*/ |
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CVedVideoClip(CVedMovieImp* aMovie, CAudClip* aAudioClip); |
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/* |
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* Symbian OS two phased constructor. |
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*/ |
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void ConstructL(const TDesC& aFileName, TInt aIndex, |
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MVedVideoClipInfoObserver& aObserver); |
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void ConstructL(CVedVideoClipGenerator& aGenerator, TInt aIndex, |
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Committing the Video Editor package under the Eclipse Public License
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MVedVideoClipInfoObserver& aObserver, TBool aIsOwnedByVideoClip); |
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Committing the Video Editor package under the Eclipse Public License
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void ConstructL(RFile* aFileHandle, TInt aIndex, |
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Committing the Video Editor package under the Eclipse Public License
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MVedVideoClipInfoObserver& aObserver); |
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Committing the Video Editor package under the Eclipse Public License
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366 |
|
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367 |
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private: |
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// Member variables |
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|
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// Movie class this clip is part of. |
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CVedMovieImp* iMovie; |
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// Index of this clip in movie. |
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Committing the Video Editor package under the Eclipse Public License
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TInt iIndex; |
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// File of the video clip. |
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RFile iLockFile; |
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// Info class of this video clip. |
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CVedVideoClipInfo* iInfo; |
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|
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// Speed effect of this video clip. |
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TInt iSpeed; |
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// Color effect of this video clip. |
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TVedColorEffect iColorEffect; |
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384 |
// Transition effect of this video clip. |
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Committing the Video Editor package under the Eclipse Public License
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TVedMiddleTransitionEffect iMiddleTransitionEffect; |
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Committing the Video Editor package under the Eclipse Public License
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|
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// Cut in time of this video clip. |
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TTimeIntervalMicroSeconds iCutInTime; |
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// Cut out time of this video clip. |
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TTimeIntervalMicroSeconds iCutOutTime; |
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Committing the Video Editor package under the Eclipse Public License
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// Start time of this video clip. |
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Committing the Video Editor package under the Eclipse Public License
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TTimeIntervalMicroSeconds iStartTime; |
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|
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Committing the Video Editor package under the Eclipse Public License
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// Audio track of this video clip |
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Committing the Video Editor package under the Eclipse Public License
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CAudClip* iAudClip; |
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Committing the Video Editor package under the Eclipse Public License
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// Audio track muting: slow motion mutes it automatically, but switching back to normal speed |
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Committing the Video Editor package under the Eclipse Public License
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// should unmute it unless user has muted it on purpose. |
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Committing the Video Editor package under the Eclipse Public License
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TBool iUserMuted; |
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Committing the Video Editor package under the Eclipse Public License
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// color tone |
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TRgb iColorTone; |
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|
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Committing the Video Editor package under the Eclipse Public License
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TBool iLockFileOpened; |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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friend class CVedMovieImp; |
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Committing the Video Editor package under the Eclipse Public License
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friend class CVedMovieAddClipOperation; |
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}; |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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#endif // __VEDVIDEOCLIP_H__ |
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