/*

* 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 __COMPOSER_H__

#define __COMPOSER_H__

//  INCLUDES

#ifndef __E32BASE_H__

#include <e32base.h>

#endif

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// CLASS DECLARATION

/**

*  Base class for file format parser

*  ?other_description_lines

*/

class CComposer : public CBase

    {

    public: // Constants

        enum TErrorCode 

        {

            EInternalAssertionFailure   = -2200,

            EComposerNotEnoughData = -2201, //FC Can this happen?

            EComposerEndOfStream = -2202,//FC Can this happen?

            EComposerBufferTooSmall = -2203,//FC Can this happen?

            EComposerUnsupportedFormat = -2204,//FC Can this happen?

            EComposerStreamCorrupted = -2205,//FC Can this happen?

            EComposerFailure = -2206

        };

		// file format

		enum TFileFormat {

			EFileFormatUnrecognized = 0,

		    EFileFormat3GP,

			EFileFormatMP4

		};

        // video format

        enum TVideoFormat {

            EVideoFormatNone = 0,

            EVideoFormatH263Profile0Level10,

			EVideoFormatH263Profile0Level45,

            EVideoFormatMPEG4,

            EVideoFormatAVCProfileBaseline

        };

        // audio format

        enum TAudioFormat

        {

            EAudioFormatNone = 0,

            EAudioFormatAMR,

			EAudioFormatAAC

        };               

    public: // Data structures

        // common stream parameters

        struct TStreamParameters

        {

            TBool iHaveVideo;  // is there video in the stream ?

            TBool iHaveAudio;  // is there audio in the stream ?

            TUint iNumDemuxChannels;  // number of demux channels

			TFileFormat iFileFormat;  // file format

            TVideoFormat iVideoFormat;  // video format

            TAudioFormat iAudioFormat;  // audio format

            TUint iAudioFramesInSample; // audio frames per one sample (3GPP)

            TUint iVideoWidth;  // width of a video frame

            TUint iVideoHeight;   // height of a video frame

            TInt64 iVideoPicturePeriodNsec;  // one PCF tick period in nanoseconds

            TUint iVideoIntraFrequency;  // intra frame frequency in stream

            TUint iStreamLength;  // stream length in milliseconds

            TUint iVideoLength;

            TUint iAudioLength;

            TBool iCanSeek;   // TRUE if seeking in file is possible

            TUint iStreamSize;  // stream size in bytes

            TUint iStreamBitrate;  // stream average bitrate

            TUint iMaxPacketSize; // The maximum media packet size

            TUint iLogicalChannelNumberVideo; // Logical channel number for video data

            TUint iLogicalChannelNumberAudio; // Logical channel number for audio data

            TUint iReferencePicturesNeeded; // Number of reference pictures

                                            // the video decoder needs to store.

            TUint iNumScalabilityLayers; // The number of different scalability layers used

            TUint iLayerFrameRates[8];  // Picture rate for each layer

            TReal iFrameRate;

            TInt iVideoTimeScale;

            TInt iAudioTimeScale;

        };

    public:  // Constructors and destructor

    public: // New functions

        /**

        * Composer the stream header.

        * @param aStreamParameters Stream parameters

        */	        

        virtual void ComposeHeaderL(CComposer::TStreamParameters& aStreamParameters, 

            TInt aOutputVideoTimeScale, TInt aOutputAudioTimeScale, TInt aAudioFramesInSample) = 0;		

        virtual TInt Close() = 0;

        virtual TInt WriteFrames(TDesC8& aSrcBuffer, TInt aFrameSize,TInt aDuration,

            TInt aKeyFrame,TInt aNumberOfFrames,TInt aFrameType) = 0;

		virtual TInt WriteFrames(TDesC8& aSrcBuffer, TInt aFrameSize,TInt aDuration,

            TInt aKeyFrame,TInt aNumberOfFrames,TInt aFrameType, TInt& aMP4Size,

			TBool aModeChanged,TBool aFirstFrameOfClip,TInt aMode, TBool aFromEncoder) = 0;

        virtual TUint8* GetComposedBuffer() = 0;  //Added for buffer support

		virtual TUint GetComposedBufferSize() = 0;	//Added for buffer support

        /**

        * Calculate free space on the target output drive in bytes.

        *

        * @param None

        * @return Free space in bytes

        */

        virtual TInt64 DriveFreeSpaceL() = 0;

    };

#endif      // __PARSER_H__

// End of File