mmshplugins/mmcctranscoder/tsrc/stubs/inc/vedmovie.h
changeset 22 496ad160a278
parent 0 f0cf47e981f9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmshplugins/mmcctranscoder/tsrc/stubs/inc/vedmovie.h	Fri Jun 11 13:36:18 2010 +0300
@@ -0,0 +1,601 @@
+/*
+* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+#ifndef __VEDMOVIE_H__
+#define __VEDMOVIE_H__
+
+#include <e32base.h>
+#include <f32file.h>
+#include "VedVideoClipInfo.h"
+#include "VedAudioClipInfo.h"
+
+/*
+ *  Constant definitions.
+ */
+
+const TInt KVedClipIndexAll(-1);
+
+
+
+
+class CVedMovie;
+class TVedDynamicLevelMark;
+
+/**
+ * Observer for movie events. 
+ * <p>
+ * Note that every change operation that is made to a movie or the clips it consists of 
+ * results in a maximum of one notification method called (that is, more than one 
+ * notification method is never called as a result of a single change). For example,
+ * changing the index of a clip results in the <code>NotifyVideoClipIndicesChanged()</code>
+ * method being called once. The <code>NotifyVideoClipTimingsChanged()</code> method is not 
+ * called even if the timings of several clips may have changed as a result. See the
+ * descriptions of the notification methods for more detailed information.
+ *
+ * @see  CVedMovie
+ */
+class MVedMovieObserver 
+    {
+public:
+
+    /**
+     * Called to notify that a new video clip has been successfully
+     * added to the movie. Note that the indices and the start and end times
+     * of the video clips after the new clip have also changed as a result.
+     * Note that the transitions may also have changed. 
+     *
+     * @param aMovie  movie
+     * @param aIndex  index of video clip in movie
+     */
+    virtual void NotifyVideoClipAdded(CVedMovie& aMovie, TInt aIndex) = 0;
+
+    /**
+     * Called to notify that adding a new video clip to the movie has failed.
+     *
+     * Possible error codes:
+     *  - <code>KErrNotFound</code> if there is no file with the specified name
+     *    in the specified directory (but the directory exists)
+     *  - <code>KErrPathNotFound</code> if the specified directory
+     *    does not exist
+     *  - <code>KErrUnknown</code> if the specified file is of unknown format
+     *  - <code>KErrNotSupported</code> if the format of the file is recognized but
+     *    adding it to the movie is not supported (e.g., it is of different resolution
+     *    or format than the other clips)
+     *
+     * @param aMovie  movie
+     * @param aError  one of the system wide error codes
+     */
+    virtual void NotifyVideoClipAddingFailed(CVedMovie& aMovie, TInt aError) = 0;
+
+    /**
+     * Called to notify that a video clip has been removed from the movie.
+     * Note that the indices and the start and end times of the video clips after 
+     * the removed clip have also changed as a result. Note that the 
+     * transitions may also have changed.
+     *
+     * @param aMovie  movie
+     * @param aIndex  index of the removed video clip
+     */
+    virtual void NotifyVideoClipRemoved(CVedMovie& aMovie, TInt aIndex) = 0;
+    
+    /**
+     * Called to notify that a video clip has moved (that is, its index and 
+     * start and end times have changed). Note that the indices and the start and
+     * end times of the clips between the old and new indices have also changed 
+     * as a result. Note that the transitions may also have changed.
+     *
+     * @param aMovie     movie
+     * @param aOldIndex  old index of the moved clip
+     * @param aNewIndex  new index of the moved clip
+     */
+    virtual void NotifyVideoClipIndicesChanged(CVedMovie& aMovie, TInt aOldIndex, 
+                                               TInt aNewIndex) = 0;
+
+    /**
+     * Called to notify that the timings (that is, the cut in or cut out time or
+     * the speed and consequently the end time, edited duration, and possibly audio
+     * settings) of a video clip have changed (but the index of the clip has 
+     * <em>not</em> changed). Note that the start and end times of the video clips 
+     * after the changed clip have also changed.
+     *
+     * @param aMovie  movie
+     * @param aClip   changed video clip
+     */
+    virtual void NotifyVideoClipTimingsChanged(CVedMovie& aMovie,
+                                               TInt aIndex) = 0;
+
+    /**
+     * Called to notify that the color effect or a color tone of the existing effect
+     * of a video clip has changed.
+     *
+     * @param aMovie  movie
+     * @param aClip   changed video clip
+     */
+    virtual void NotifyVideoClipColorEffectChanged(CVedMovie& aMovie,
+                                                   TInt aIndex) = 0;
+    
+    /**
+     * Called to notify that the audio settings of a video clip have changed. 
+     *
+     * @param aMovie  movie
+     * @param aClip   changed video clip
+     */
+    virtual void NotifyVideoClipAudioSettingsChanged(CVedMovie& aMovie,
+                                                     TInt aIndex) = 0;
+
+    /**
+     * Called to notify that some generator-specific settings of 
+     * a generated video clip have changed.
+     *
+     * @param aMovie  movie
+     * @param aClip   changed video clip
+     */
+    virtual void NotifyVideoClipGeneratorSettingsChanged(CVedMovie& aMovie,
+                                                         TInt aIndex) = 0;
+
+    /**
+     * Called to notify that the descriptive name of a clip has changed. 
+     *
+     * @param aMovie  movie
+     * @param aIndex  changed video clip index
+     */
+    virtual void NotifyVideoClipDescriptiveNameChanged(CVedMovie& aMovie,
+                                                                TInt aIndex) = 0;
+
+    /**
+     * Called to notify that the start transition effect of the movie
+     * has changed (but no other changes have occurred).
+     *
+     * @param aMovie  movie
+     */
+    virtual void NotifyStartTransitionEffectChanged(CVedMovie& aMovie) = 0;
+
+    /**
+     * Called to notify that a middle transition effect has changed 
+     * (but no other changes have occurred).
+     *
+     * @param aMovie  movie
+     * @param aIndex  index of the changed middle transition effect
+     */
+    virtual void NotifyMiddleTransitionEffectChanged(CVedMovie& aMovie, 
+                                                     TInt aIndex) = 0;
+
+    /**
+     * Called to notify that the end transition effect of the movie
+     * has changed (but no other changes have occurred).
+     *
+     * @param aMovie  movie
+     */
+    virtual void NotifyEndTransitionEffectChanged(CVedMovie& aMovie) = 0;
+
+    /**
+     * Called to notify that a new audio clip has been successfully
+     * added to the movie. Note that the indices of the audio clips
+     * starting after the new clip have also changed as a result.
+     *
+     * @param aMovie  movie
+     * @param aClip   new audio clip
+     */
+    virtual void NotifyAudioClipAdded(CVedMovie& aMovie, TInt aIndex) = 0;
+
+    /**
+     * Called to notify that adding a new audio clip to the movie has failed.
+     *
+     * Possible error codes:
+     *  - <code>KErrNotFound</code> if there is no file with the specified name
+     *    in the specified directory (but the directory exists)
+     *  - <code>KErrPathNotFound</code> if the specified directory
+     *    does not exist
+     *  - <code>KErrUnknown</code> if the specified file is of unknown format
+     *
+     * @param aMovie  movie
+     * @param aError  one of the system wide error codes
+     */
+    virtual void NotifyAudioClipAddingFailed(CVedMovie& aMovie, TInt aError) = 0;
+
+    /**
+     * Called to notify that an audio clip has been removed from the movie.
+     * Note that the indices of the audio clips starting after the removed
+     * clip have also changed as a result.
+     *
+     * @param aMovie  movie
+     * @param aIndex  index of the removed audio clip
+     */
+    virtual void NotifyAudioClipRemoved(CVedMovie& aMovie, TInt aIndex) = 0;
+
+    /**
+     * Called to notify that an audio clip has moved (that is, its
+     * index has changed). This may happen when the start time of the audio 
+     * clip is changed. Note that the indices of the clips between the old and 
+     * new indices have also changed as a result.
+     *
+     * @param aMovie     movie
+     * @param aOldIndex  old index of the moved clip
+     * @param aNewIndex  new index of the moved clip
+     */
+    virtual void NotifyAudioClipIndicesChanged(CVedMovie& aMovie, TInt aOldIndex, 
+                                               TInt aNewIndex) = 0;
+
+    /**
+     * Called to notify that the timings (for example, the start time or
+     * the duration) of an audio clip have changed (but the index of the
+     * clip has <em>not</em> changed as a result).
+     *
+     * @param aMovie  movie
+     * @param aClip   changed audio clip
+     */
+    virtual void NotifyAudioClipTimingsChanged(CVedMovie& aMovie,
+                                               TInt aIndex) = 0;
+
+    /**
+     * Called to notify that the quality setting of the movie has been
+     * changed.
+     *
+     * @param aMovie  movie
+     */
+    virtual void NotifyMovieQualityChanged(CVedMovie& aMovie) = 0;
+
+    /**
+     * Called to notify that the movie has been reseted.
+     *
+     * @param aMovie  movie
+     */
+    virtual void NotifyMovieReseted(CVedMovie& aMovie) = 0;
+    
+    /**
+     * Called to notify that the output parameters have been changed
+     *
+     * @param aMovie  movie
+     */
+    virtual void NotifyMovieOutputParametersChanged(CVedMovie& aMovie) = 0;
+    
+    /**
+     * Called to notify that a dynamic level mark has been inserted 
+     * to an audio clip.
+     *
+     * @param aMovie       movie
+     * @param aClipIndex   audio clip index
+     * @param aMarkIndex   index of the inserted level mark
+     */
+    virtual void NotifyAudioClipDynamicLevelMarkInserted(CVedMovie& aMovie, 
+                                                         TInt aClipIndex, 
+                                                         TInt aMarkIndex) = 0;
+
+    /**
+     * Called to notify that a dynamic level mark has been inserted 
+     * to an audio clip.
+     *
+     * @param aMovie       movie
+     * @param aClipIndex   audio clip index
+     * @param aMarkIndex   index of the inserted level mark
+     */
+    virtual void NotifyAudioClipDynamicLevelMarkRemoved(CVedMovie& aMovie, 
+                                                        TInt aClipIndex, 
+                                                        TInt aMarkIndex) = 0;
+
+    /**
+     * Called to notify that a dynamic level mark has been inserted 
+     * to an audio clip.
+     *
+     * @param aMovie       movie
+     * @param aClipIndex   audio clip index
+     * @param aMarkIndex   index of the inserted level mark
+     */
+    virtual void NotifyVideoClipDynamicLevelMarkInserted(CVedMovie& aMovie, 
+                                                         TInt aClipIndex, 
+                                                         TInt aMarkIndex) = 0;
+
+    /**
+     * Called to notify that a dynamic level mark has been inserted 
+     * to an audio clip.
+     *
+     * @param aMovie       movie
+     * @param aClipIndex   audio clip index
+     * @param aMarkIndex   index of the inserted level mark
+     */
+    virtual void NotifyVideoClipDynamicLevelMarkRemoved(CVedMovie& aMovie, 
+                                                        TInt aClipIndex, 
+                                                        TInt aMarkIndex) = 0;    
+    };
+
+
+/**
+ * Observer for movie processing operations. 
+ *
+ * 
+ * @see  CVedMovie
+ */
+class MVedMovieProcessingObserver
+    {
+public:
+    /**
+     * Called to notify that a new movie processing operation has been started. 
+     *
+     * @param aMovie  movie
+     */
+    virtual void NotifyMovieProcessingStartedL(CVedMovie& aMovie) = 0;
+
+    /**
+     * Called to inform about the current progress of the movie processing operation.
+     *
+     * @param aMovie       movie
+     * @param aPercentage  percentage of the operation completed, must be 
+     *                     in range 0..100
+     */
+    virtual void NotifyMovieProcessingProgressed(CVedMovie& aMovie, TInt aPercentage) = 0;
+
+    /**
+     * Called to notify that the movie processing operation has been completed. 
+     * 
+     * @param aMovie  movie
+     * @param aError  error code why the operation was completed. 
+     *                <code>KErrNone</code> if the operation was completed 
+     *                successfully.
+     */
+    virtual void NotifyMovieProcessingCompleted(CVedMovie& aMovie, TInt aError) = 0;
+    };
+
+
+/**
+ * Video movie, which consists of zero or more video clips and zero or more audio clips.
+ * 
+ * @see  CVedVideoClip
+ * @see  CVedAudioClip
+ */
+class CVedMovie : public CBase
+    {
+public:
+
+    /**
+     * Enumeration for movie quality settings.
+     */
+    enum TVedMovieQuality
+        {
+        EQualityAutomatic = 0,
+        EQualityMMSInteroperability,
+        EQualityResolutionCIF,      // Obsolete, please use Medium/High instead
+        EQualityResolutionQCIF,     // Obsolete, please use Medium/High instead
+        EQualityResolutionMedium,
+        EQualityResolutionHigh,        
+        EQualityLast  // this should always be the last
+        };
+
+
+public:
+
+    /* Constructors & destructor. */
+
+    /**
+     * Constructs a new empty CVedMovie object. May leave if no resources are available.
+     * 
+     * Possible leave codes:
+     *  - <code>KErrNoMemory</code> if memory allocation fails
+     *
+     * @param aFs  file server session to use to lock the video and audio
+     *             clip files of the new movie; or NULL to not to lock the files
+     *
+     * @return  pointer to a new CVedMovie instance
+     */
+    static CVedMovie* NewL(RFs* aFs);
+
+    /**
+     * Constructs a new empty CVedMovie object and leaves the object in the cleanup stack.
+     * 
+     * Possible leave codes:
+     *  - <code>KErrNoMemory</code> if memory allocation fails
+     * 
+     * @param aFs  file server session to use to lock the video and audio
+     *             clip files of the new movie; or NULL to not to lock the files
+     *
+     * @return  pointer to a new CVedMovie instance
+     */
+    static CVedMovie* NewLC(RFs* aFs);
+    
+    
+    ~CVedMovie();
+
+
+    /**
+     * Sets the quality setting of this movie.
+     *
+     * @param aQuality  quality setting
+     */
+    virtual void SetQuality(TVedMovieQuality aQuality);
+
+
+    /**
+     * Returns the video type of this movie. 
+     * 
+     * @return  video type of this movie
+     */
+    virtual TVedVideoType VideoType() const;
+
+    /**
+     * Returns the resolution of this movie. Panics with 
+     * <code>TVedPanic::EMovieEmpty</code> if there are no clips 
+     * in the movie.
+     * 
+     * @return  resolution of the movie
+     */
+    virtual TSize Resolution() const;
+
+    /**
+     * Returns the audio type of the movie audio track.
+     * 
+     * @return  audio type of the movie audio track
+     */
+    virtual TVedAudioType AudioType() const;
+
+    /**
+     * Returns the audio sampling rate of the movie audio track.
+     *
+     * @return  audio sampling rate of the movie audio track.
+     */
+    virtual TInt AudioSamplingRate() const;
+
+    /**
+     * Returns the audio channel mode of the movie audio track.
+     * 
+     * @return  audio channel mode of the movie audio track.
+     */
+    virtual TVedAudioChannelMode AudioChannelMode() const;
+
+
+    /** 
+     * Inserts a video clip from the specified file to the specified index 
+     * in this movie. The observers are notified when the clip has been added 
+     * or adding clip has failed. Panics with <code>EMovieAddOperationAlreadyRunning</code> 
+     * if another add video or audio clip operation is already running.
+     * Panics with code <code>USER-130</code> if the clip index is invalid.
+     * The file will be opened in EFileShareReadersOnly mode by default, 
+     * and the same mode should be used by the client too if it need to open
+     * the file at the same time.
+     *  
+     * Possible leave codes:
+     *  - <code>KErrNoMemory</code> if memory allocation fails
+     *
+     * @param aFileName  file name of the clip to add
+     * @param aIndex     index the clip should be inserted at
+     */
+    virtual void InsertVideoClipL(const TDesC& aFileName, TInt aIndex);
+
+
+
+    /* Processing methods. */
+
+    /**
+     * Starts a video processing operation. This method is asynchronous and 
+     * returns immediately. The processing will happen in the background and
+     * the observer will be notified about the progress of the operation.
+     * Processed data is written into the specified file. Panics with 
+     * <code>TVedPanic::EMovieEmpty</code> if there are no clips 
+     * in the movie. Note that calling <code>ProcessL</code> may cause
+     * changes in the maximum frame rates of generated clips.
+     * 
+     * Possible leave codes:
+     *  - <code>KErrNoMemory</code> if memory allocation fails
+     *  - <code>KErrAccessDenied</code> if the file access is denied
+     *  - <code>KErrDiskFull</code> if the disk is full
+     *  - <code>KErrWrite</code> if not all data could be written
+     *  - <code>KErrBadName</code> if the filename is bad
+     *  - <code>KErrDirFull</code> if the directory is full
+     * 
+     * @param aObserver  observer to be notified of the processing status
+     * @param aFileName  name of the file to be written
+     */
+    virtual void ProcessL(const TDesC& aFileName,
+                           MVedMovieProcessingObserver& aObserver);
+
+    /**
+     * Cancels the current video processing operation. If there is no 
+     * operation in progress, the function does nothing.
+     */
+    virtual void CancelProcessing();
+
+
+    /* Observer methods. */
+
+    /**
+     * Registers a movie observer. Panics with panic code 
+     * <code>EMovieObserverAlreadyRegistered</code> if the movie observer is 
+     * already registered.
+     *
+     * @param aObserver  observer that will receive the events
+     */
+    virtual void RegisterMovieObserverL(MVedMovieObserver* aObserver);
+
+    /**
+     * Unregisters a movie observer.
+     *
+     * @param aObserver  observer to be unregistered
+     */
+    virtual void UnregisterMovieObserver(MVedMovieObserver* aObserver);
+
+
+    /**
+     * Returns the target bitrate of the movie audio track.
+     * 
+     * @return  target bitrate of the movie audio track.
+     */
+    virtual TInt AudioBitrate() const;
+
+    /**
+     * Returns the target framerate of the movie video track.
+     * 
+     * @return  target framerate of the movie video track.
+     */
+    virtual TReal VideoFrameRate() const;
+
+    /**
+     * Sets the output parameters for the movie. Leaves
+     * with KErrNotSupported if a parameter is illegal,
+     * e.g., target bitrate is too high for the given 
+     * codec. Setting a integer parameter to zero indicates
+     * that a default value will be used for that parameter.
+     *
+     * This method overrides the SetQuality method
+     *
+     * Possible leave codes:
+     *  - <code>KErrNotSupported</code> if setting is not valid
+     *
+     * @param Output parameters
+     */
+    
+    virtual void SetOutputParametersL(TVedOutputParameters& aOutputParams);
+
+public: // Stub stuff
+
+    void ConstructL();
+    
+    CVedMovie();
+
+    enum TVedMovieCurrentCallbackType
+        {
+        ENotifyVideoClipAdded,
+        ENotifyMovieQualityChanged,
+        ENotifyMovieOutputParametersChanged,
+        ENotifyMovieProcessingStartedL,
+        ENotifyMovieProcessingProgressed,
+        ENotifyMovieProcessingCompleted
+        };
+        
+    void IssueCallback( TVedMovieCurrentCallbackType aCallback );
+		
+	static TInt AsyncTimerExpired(TAny* aPtr);
+	
+	void DoCurrentCallbackL();
+
+    MVedMovieObserver* iObserver;
+    MVedMovieProcessingObserver* iProcessObserver;
+    
+    CDeltaTimer* 				iDeltaTimer;
+    TCallBack 					iDeltaTimerCallBack;
+	TDeltaTimerEntry 			iDeltaTimerEntry;
+	
+	TVedMovieCurrentCallbackType iCurrentCallback;
+	TInt iProgress;
+	
+	TVedMovieQuality iQuality;
+	TVedOutputParameters iOutputParams;
+	TVedAudioType iAudioType;
+    
+    };
+
+
+#endif // __VEDMOVIE_H__
+