diff -r 000000000000 -r 951a5db380a0 videoeditorengine/vedengine/inc/VedVideoClipInfoImp.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/vedengine/inc/VedVideoClipInfoImp.h	Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,453 @@
+/*
+* Copyright (c) 2010 Ixonos Plc.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the "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:
+* Ixonos Plc
+*
+* Description:  
+*
+*/
+
+
+
+#ifndef __VEDVIDEOCLIPINFOIMP_H__
+#define __VEDVIDEOCLIPINFOIMP_H__
+
+
+#include <e32base.h>
+
+#include "movieprocessor.h"
+#include "VedCommon.h"
+#include "VedVideoClipInfo.h"
+
+#include "AudObservers.h"
+
+/*
+ *  Forward declarations.
+ */
+class CFbsBitmap;  // cannot include bitmap.h since video processor includes
+                   // this file and fails to compile due to a strange compiler error
+                   // "operator delete must return type void" if bitmap.h
+                   // is included
+
+class CVedVideoClipInfo;
+class TVedVideoFrameInfo;
+class CVedVideoClipInfoOperation;
+class CVedVideoClipFrameOperation;
+class CAudClipInfo;
+class CVedVideoClip;
+
+
+/**
+ * Utility class for getting information about video clip files.
+ */
+class CVedVideoClipInfoImp : public CVedVideoClipInfo
+    {
+public:
+
+    static CVedVideoClipInfo* NewL(CAudClipInfo* aAudClipInfo,
+                                   const TDesC& aFileName, MVedVideoClipInfoObserver& aObserver);
+    /**
+     * Destroys the object and releases all resources.
+     */    
+    ~CVedVideoClipInfoImp();
+
+
+    /* General property methods. */
+
+
+    TPtrC DescriptiveName() const;
+
+    /**
+     * Returns the file name of the clip. Panics if info
+     * is not yet ready for reading.
+     * 
+     * @return  file name of the clip
+     */
+    TPtrC FileName() const;
+
+    CVedVideoClipGenerator* Generator() const;
+
+    TVedVideoClipClass Class() const;
+
+    /**
+     * Returns the video format of the clip. Panics if info
+     * is not yet ready for reading.
+     * 
+     * @return  video format of the clip
+     */
+    TVedVideoFormat Format() const;
+
+    /**
+     * Returns the video type of the clip. Panics if info
+     * is not yet ready for reading.
+     * 
+     * @return  video type of the clip
+     */
+    TVedVideoType VideoType() const;
+
+    /**
+     * Returns the resolution of the clip. Panics if info
+     * is not yet ready for reading.
+     * 
+     * @return  resolution of the clip
+     */
+    TSize Resolution() const;
+
+    /**
+     * Returns whether this video clip has an audio track or not.
+     * Panics if info is not yet ready for reading.  
+     *
+     * @return  <code>ETrue</code> if clip has an audio track;
+     *          <code>EFalse</code> otherwise
+     */
+    TBool HasAudio() const;
+
+    /**
+     * Returns the audio type of the clip audio track. Panics if info
+     * is not yet ready for reading.
+     * 
+     * @return  audio type of the clip audio track
+     */
+    TVedAudioType AudioType() const;
+
+    /**
+     * Returns the channel mode of the audio if applicable.
+     *
+     * @return  channel mode
+     */
+    TVedAudioChannelMode AudioChannelMode() const;
+
+    /**
+     * Returns the sampling rate in kilohertz.
+     *
+     * @return  sampling rate
+     */
+    TInt AudioSamplingRate() const;
+
+    /**
+     * Returns the duration of the clip in microseconds. Panics if info
+     * is not yet ready for reading.
+     * 
+     * @return  duration of the clip
+     */
+    TTimeIntervalMicroSeconds Duration() const;
+
+
+    /* Video frame property methods. */
+
+    /**
+     * Returns the number of video frames in this clip. Panics if info
+     * is not yet ready for reading.
+     * 
+     * @return  number of video frames in this clip
+     */
+    TInt VideoFrameCount() const;
+
+    /** 
+     * Generates video frame info that is needed in VideoFrame API functions.
+     * 
+     * @return  error code
+     */ 
+    TInt GenerateVideoFrameInfoArrayL();    
+
+    /** 
+     * Returns the start time of the video frame at the specified index. 
+     * Panics if info is not yet ready for reading or the index is illegal.
+     *
+     * @param aIndex  index
+     *
+     * @return  start time of the video frame at the specified index in microseconds
+     */ 
+    TTimeIntervalMicroSeconds VideoFrameStartTimeL(TInt aIndex);
+
+    /** 
+     * Returns the end time of the video frame at the specified index. 
+     * Panics if info is not yet ready for reading or the index is illegal.
+     *
+     * @param aIndex  index
+     *
+     * @return  end time of the video frame at the specified index in microseconds
+     */ 
+    TTimeIntervalMicroSeconds VideoFrameEndTimeL(TInt aIndex);
+
+    /** 
+     * Returns the duration of the video frame at the specified index. 
+     * Panics if info is not yet ready for reading or the index is illegal.
+     *
+     * @param aIndex  index
+     *
+     * @return  duration of the video frame at the specified index in microseconds
+     */ 
+    TTimeIntervalMicroSeconds VideoFrameDurationL(TInt aIndex);
+
+    /** 
+     * Returns the size of the video frame at the specified index. 
+     * Panics if info is not yet ready for reading or the index is illegal.
+     *
+     * @param aIndex  index
+     *
+     * @return  size of the video frame at the specified index in bytes
+     */ 
+    TInt VideoFrameSizeL(TInt aIndex);
+
+    /** 
+     * Returns whether the video frame at the specified index is an intra
+     * frame or not. Panics if info is not yet ready for reading or 
+     * the index is illegal.
+     *
+     * @param aIndex  index
+     *
+     * @return  <code>ETrue</code>, if the video frame at the specified index is an
+     *          intra frame; <code>EFalse</code>, otherwise
+     */ 
+    TBool VideoFrameIsIntraL(TInt aIndex);
+
+    /**
+     * Returns the video frame index at the specified time. Panics if info is not yet 
+     * ready for reading or the time is illegal.
+     *
+     * @param aTime  time
+     *
+     * @return  video frame index at the specified time
+     */
+    TInt GetVideoFrameIndexL(TTimeIntervalMicroSeconds aTime);
+
+
+    /* Frame methods. */
+
+    void GetFrameL(MVedVideoClipFrameObserver& aObserver,
+                            TInt aIndex,
+                            TSize* const aResolution,
+                            TDisplayMode aDisplayMode,
+                            TBool aEnhance,
+                            TInt aPriority);
+    
+    void CancelFrame();
+
+    void SetTranscodeFactor(TVedTranscodeFactor aFactor);
+
+    TVedTranscodeFactor TranscodeFactor();
+
+    /**
+     * Returns whether video clip is MMSCompatible.
+     *
+     * @return  ETrue if compatible with MMS
+     */
+    TBool IsMMSCompatible();
+    
+    static CVedVideoClipInfo* NewL(CAudClipInfo* aAudClipInfo,
+                                   RFile* aFileHandle, MVedVideoClipInfoObserver& aObserver);
+                                   
+    RFile* FileHandle() const;
+
+private:
+    CVedVideoClipInfoImp(CAudClipInfo* aAudClipInfo);
+
+    void ConstructL(const TDesC& aFileName,
+                    MVedVideoClipInfoObserver& aObserver);
+                    
+    void ConstructL(RFile* aFileHandle,
+                    MVedVideoClipInfoObserver& aObserver);                    
+                    
+private:
+    // Member variables
+
+    // Get audio info operation.
+    CVedVideoClipInfoOperation* iInfoOperation;
+    // Flag to indicate then info is available
+    TBool iReady;
+    
+    // Filename of the video clip.
+    HBufC* iFileName;
+    
+    // File handle of the video clip
+    RFile* iFileHandle;
+    
+    // Vídeo format.
+    TVedVideoFormat iFormat;
+    // Video type/codec.
+    TVedVideoType iVideoType;
+    // Resolution of video clip.
+    TSize iResolution;    
+    // Duration of the video clip.
+    TTimeIntervalMicroSeconds iDuration;
+    // Frame count of video
+    TInt iVideoFrameCount;
+    // Array of frame information.
+    TVedVideoFrameInfo* iVideoFrameInfoArray;
+    
+    // Operation to retrieve thumbnail of video clip.
+    CVedVideoClipFrameOperation* iFrameOperation;
+
+    // Transcode factor
+    TVedTranscodeFactor iTimeFactor;
+
+    // Is the frame info array ready
+    TBool iVideoFrameInfoArrayReady;
+    
+    // Flag for audio clip info ownership
+    TBool iAudClipInfoOwnedByVideoClipInfo;
+
+    // Whether the video clip info is part of a video clip or just the info
+    TBool iVideoClipIsStandalone;        
+    
+    // Audio clip info.
+    CAudClipInfo* iAudClipInfo;
+    
+    // These are got from iAudClipInfo
+    
+    // Audio type/codec.
+    //TVedAudioType iAudioType;
+    // Following members are only used for AAC audio
+    // Channel mode
+    //TVedAudioChannelMode iAudioChannelMode;
+    // Sampling rate
+    //TInt iAudioSamplingRate;
+
+    friend class CVedVideoClipInfoOperation;
+    friend class CVedVideoClipFrameOperation;
+    friend class CVedVideoClipInfo;
+    };
+
+
+/**
+ * Internal class for storing information about video frames.
+ */
+class TVedVideoFrameInfo
+    {
+public:
+    /** Frame start time in MILLISECONDS (not microseconds). */
+    TInt iStartTime;
+
+    /** Frame size in bytes. */
+    TInt iSize;
+
+    /** Frame information flags. */
+    TInt8 iFlags;
+    };
+
+#define KVedVideoFrameInfoFlagIntra (1 << 0)
+
+
+/**
+ * Internal class for reading information from a video clip file.
+ * Also implements a simple active object to notify the video clip info 
+ * observer when reading has been completed.
+ */
+class CVedVideoClipInfoOperation : public CActive, MAudClipInfoObserver
+    {
+public:
+    /* Static constructor */
+    static CVedVideoClipInfoOperation* NewL(CVedVideoClipInfoImp* aInfo,
+                                        MVedVideoClipInfoObserver& aObserver);
+protected:
+    /*
+    * From CActive
+    * Standard active object RunL 
+    */
+    void RunL();
+
+    /*
+    * From CActive
+    * Standard active object DoCancel
+    */
+    void DoCancel();
+
+private:
+    /* Default constructor */
+    CVedVideoClipInfoOperation(CVedVideoClipInfoImp* aInfo, 
+                               MVedVideoClipInfoObserver& aObserver);
+    /* Standard Symbian OS two phased constructor */
+    void ConstructL();
+    /* Destructor */
+    ~CVedVideoClipInfoOperation();
+
+private: // functions from base classes
+
+    /* From MAudClipInfoObserver */
+    void NotifyClipInfoReady(CAudClipInfo& aInfo, TInt aError);
+private:
+    // Class to contain video clip info.
+    CVedVideoClipInfoImp* iInfo;
+    // Observer of video clip info operation.
+    MVedVideoClipInfoObserver* iObserver;
+    // Error code from prosessor.
+    TInt iMovieProcessorError;
+	// This flag tells us whether we're reading the audio clip info
+    TBool iGettingAudio;
+
+    friend class CVedVideoClipInfoImp;
+    };
+
+/**
+ * Internal class for generating a frame from a video clip file.
+ */
+class CVedVideoClipFrameOperation : public CActive
+    {
+public:
+    /* Static constructor */
+    static CVedVideoClipFrameOperation* NewL(CVedVideoClipInfoImp* iInfo);
+
+protected:
+    /*
+    * From CActive
+    * Standard active object RunL 
+    */
+    void RunL();
+
+    /*
+    * From CActive
+    * Standard active object DoCancel
+    */
+    void DoCancel();
+
+private:
+    /* Default constructor */
+    CVedVideoClipFrameOperation(CVedVideoClipInfoImp* iInfo);
+    /* Standard Symbian OS two phased constructor */
+    void ConstructL();
+    /* Destructor */
+    ~CVedVideoClipFrameOperation();
+
+    /*
+    * Start frame operation.
+    *
+    * @aparam aObserver Observer of thumbnail operation.
+    * @aparam aIndex Index of frame that is converted to thumbnail.
+    * @aparam aResolution Wanted resolution of thumbnail.
+    * @aparam aPriority Priority of active object.
+    */
+    void StartL(MVedVideoClipFrameObserver& aObserver,
+                TInt aIndex, TSize* const aResolution, 
+                TDisplayMode aDisplayMode, TBool aEnhance, TInt aPriority);
+
+private:
+    // Pointer to info class this thumbnail operation is part of.
+    
+    CVedVideoClipInfoImp* iInfo;
+    // Index of the wanted frame.
+    TInt iIndex;
+
+    // Observer of the thumbnail operation.
+    MVedVideoClipFrameObserver* iObserver;
+
+    TVedTranscodeFactor iFactor;
+    
+    TBool iThumbRequestPending;
+
+    CMovieProcessor* iProcessor;
+
+    friend class CVedVideoClipInfoImp;
+    };
+
+#endif // __VEDVIDEOCLIPINFOIMP_H__
+