--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmhais/videohai/devvideo/inc/AVC.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,624 @@
+// Copyright (c) 2003-2009 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:
+// Constants and structs specific to AVC.  See the DevVideo specs for more details.
+// 
+//
+
+#ifndef __DEVVIDEO_AVC_H__
+#define __DEVVIDEO_AVC_H__
+
+#include <e32base.h>
+
+/**
+Specifies the picture type.
+@publishedAll
+@released
+*/
+enum TAvcPictureType
+    {
+	/**
+	INTRA picture, a picture consisted of at least one I slice and zero or more SI slices
+	*/
+	EAvcPictureTypeI   = 0x01,
+
+	/**
+	INTER picture, a picture consisted of at least one P slice and zero or more I, SI and SP slices
+	*/
+	EAvcPictureTypeP   = 0x02,
+
+	/**
+	Bi-predictive picture, a picture consisted of at least one B slice and zero or more I, P, SI, 
+	and SP slices 
+	*/
+	EAvcPictureTypeB   = 0x04,
+
+	/**
+	SI picture or switching I picture, a picture consisted of SI slices
+	*/
+	EAvcPictureTypeSI  = 0x08,
+
+	/**
+	SP picture or switching P picture, a picture consisted of at least one SP slice and zero or more
+	SI slices
+	*/
+	EAvcPictureTypeSP  = 0x10
+    };
+
+
+/**
+These enumerations can be used in codec capability indication and/or bitstream property indication.
+When used as part of an encoder capability indication, a signaled value indicates the capability 
+of an encoder to produce such Supplemental Enhancement Information (SEI) to the bitstream and the 
+additional meanings as specified below. When used as part of a decoder capability indication, a 
+signalled value indicates the capability of a decoder to react to such information in a way as
+specified below. If a decoder does not have such capability, it shall be able to parse and discard
+the information. When used as part of a bitstream property indication, a non-signalled value 
+indicates the absence of such information in the bitstream and a signalled value indicates the 
+possibility of having such information in the bitstream.
+@publishedAll
+@released
+*/
+enum TAvcSupplementalInformation
+    {
+	/**
+	encoder capability:	no meaning
+	decoder capability:	capability to initialize Hypothetical Reference Decoder (HRD) as specified 
+						in AVC Annex C at any buffering period SEI message
+	bitstream property:	existence of Network Abstraction Layer (NAL) units with nal_unit_type equal
+						to 6 and the SEI payload type (payloadType) equal to 0 
+	*/
+	EAvcSeiBufferingPeriod			 				= 0x00000001,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	capability to operate HRD and decode/display video streams according to the
+						provided timing information
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType equal 
+						to 1
+	*/
+	EAvcSeiPictureTiming         					= 0x00000002,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	capability to crop after decoding and to display the specified rectangular 
+						region 
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType equal 
+						to 2
+	*/
+	EAvcSeiPanScanRectangle         				= 0x00000004,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	no meaning
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType equal
+						to 3
+	*/
+	EAvcSeiFillerPayload 							= 0x00000008,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	no meaning
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType equal 
+						to 4
+	*/
+	EAvcSeiUserDataRegisteredByITUTRecT35  			= 0x00000010,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	no meaning
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType equal
+						to 5
+	*/
+	EAvcSeiUserDataUnRegistered       				= 0x00000020,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	capability to start decoding from any access unit with a recovery point SEI 
+						message
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType equal
+						to 6
+	*/
+	EAvcSeiRecoveryPoint    						= 0x00000040,
+
+	/**
+	encoder capability:	capability to repeat the decoded reference picture marking syntax structure
+						as specified in subclauses 7.3.3.3 and 7.4.3.3 of the AVC specification.
+	decoder capability:	capability to recover the decoded reference picture marking process due to
+						losses of reference pictures with decoded reference picture marking syntax
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType equal 
+						to 7
+	*/
+	EAvcSeiDecodedReferencePictureMarkingRepetition	= 0x00000080,
+
+	/**
+	encoder capability:	capability to analyze video pictures for creation of spare picture information
+	decoder capability:	capability to utilize the spare picture information to enhance video decoding
+						in case there is loss of reference pictures
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType equal
+						to 8
+	*/
+	EAvcSeiSparePicture		       					= 0x00000100,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	capability to utilize the scene information to enhance error concealment
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType equal
+						to 9
+	*/
+	EAvcSeiSceneInformation						   	= 0x00000200,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	capability to utilize the sub-sequence information to achieve temporal
+						scalability
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType
+						equal to 10
+	*/
+	EAvcSeiSubsequenceInformation		     		= 0x00000400,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	capability to utilize the sub-sequence information and the sub-sequence
+						layer characteristics to achieve temporal scalability
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType 
+						equal to 11 (if sub-sequence layer characteristics SEI message is present,
+						sub-sequence information SEI message must be present)
+	*/
+	EAvcSeiSubsequenceLayerCharacteristics       	= 0x00000800,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	capability to utilize the sub-sequence information and the sub-sequence 
+						characteristics to achieve temporal scalability
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType equal
+						to 12 (if sub-sequence characteristics SEI message is present, sub-sequence
+						information SEI message must be present)
+	*/
+	EAvcSeiSubsequenceCharacteristics       		= 0x00001000,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	capability to freeze displayed picture according to AVC Annex D.2.14.
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType equal
+						to 13
+	*/
+	EAvcSeiFullFrameFreeze	               			= 0x00002000,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	capability to release frozen displayed picture according to AVC Annex D.2.15
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType 
+						equal to 14
+	*/
+	EAvcSeiFullFrameFreezeRelease					= 0x00004000,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	no meaning
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType
+						equal to 15
+	*/
+	EAvcSeiFullFrameSnapshot				    	= 0x00008000,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	no meaning
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType
+						equal to 16
+	*/
+	EAvcSeiProgressiveRefinementSegmentStrat     	= 0x00010000,
+
+	/**
+	encoder capability:	no meaning
+	decoder capability:	no meaning
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType 
+						equal to 17
+	*/
+	EAvcSeiProgressiveRefinementSegmentEnd   		= 0x00020000,
+
+	/**
+	encoder capability:	capability to constrain the inter prediction process according to 
+						AVC Annex D.2.19
+	decoder capability:	capability to decode only part of the pictures covered by the motion-
+						constrained slice group set
+	bitstream property:	existence of NAL units with nal_unit_type equal to 6 and payloadType equal
+						to 18
+	*/
+	EAvcSeiMotionConstrainedSliceGroupSet        	= 0x00040000
+    };
+
+
+/**
+AVC Picture Header.
+@publishedAll
+@released
+*/
+class TAvcPictureHeader
+    {
+public:
+	/**
+	Equal to ETrue indicates that the bitstream obeys all constraints specified in subclause A.2.1
+	of the AVC specification, equal to EFalse indicates that the bitstream may or may not obey the 
+	constraints. The value is equal to ETrue (EFalse) if the syntax element constraint_set0_flag is
+	equal to 1 (0). 
+	*/
+	TBool iBaselineProfileConstraintSet;
+
+	/**
+	Equal to ETrue indicates that the bitstream obeys all constraints specified in subclause A.2.2
+	of the AVC specification, equal to EFalse indicates that the bitstream may or may not obey the 
+	constraints. The value is equal to ETrue (EFalse) if the syntax element constraint_set1_flag is
+	equal to 1 (0). 
+	*/
+	TBool iMainProfileConstraintSet;
+
+	/**
+	Equal to ETrue indicates that the bitstream obeys all constraints specified in subclause A.2.3 
+	of the AVC specification, equal to EFalse indicates that the bitstream may or may not obey the
+	constraints. The value is equal to ETrue (EFalse) if the syntax element constraint_set2_flag is
+	equal to 1 (0). 
+	*/
+	TBool iExtendedProfileConstraintSet;
+
+	/**
+	Indicates the picture type. iPictureType is set as one of the values defined in TAvcPictureType.
+	*/
+	TAvcPictureType iPictureType;
+
+	/**
+	iLongTermPicture equal to ETrue indicates that the picture is a long-term picture, i.e., it has 
+	been marked as "used for long-term reference" according to the decoded reference picture marking 
+	process as specified in subclause 8.2.5 of the AVC specification. Otherwise the picture is not a 
+	long-term picture.
+	*/
+	TBool iLongTermPicture;
+
+	/**
+	Indicates whether the picture is a frame or a field. iFrame is equal to ETrue if the picture is 
+	a frame (field_pic_flag is equal to 0), EFalse if the picture is a field (field_pic_flag is equal
+	to 1).
+	*/
+	TBool iFrame;
+
+	/**
+	Valid only if iFrame is equal to EFalse. Indicates whether the field picture is a top field or a
+	bottom field. iTopField is equal to ETrue if the picture is a top field (bottom_field_flag is 
+	equal to 0), EFalse if the picture is a bottom field (bottom_field_flag is equal to 0).
+	*/
+	TBool iTopField;
+
+	/**
+	Indicates the picture order count of the top field of a frame, the top field of a complementary 
+	field pair, or a top field. iTopFieldOrderCount is equal to the value of TopFieldOrderCnt as 
+	specified in subclause 8.2.1 of the AVC specification.
+	*/
+	TUint iTopFieldOrderCount;
+
+	/**
+	Indicates the picture order count of the bottom field of a frame, the bottom field of a 
+	complementary field pair, or a bottom field. iBottomFieldOrderCount is equal to the value of 
+	BottomFieldOrderCnt as specified in subclause 8.2.1 of the AVC specification.
+	*/
+	TUint iBottomFieldOrderCount;
+
+	/**
+	Equal to ETrue indicates that the picture is an Instantaneous Decoding Refresh (IDR) picture;
+	otherwise the picture is not an IDR picture. The value of nal_unit_type of all the Video Coding
+	Layer (VCL) NAL units of the primary coded picture of an IDR picture shall be equal to 5.
+	*/
+	TBool iIdrPicture;
+
+	/**
+	Indicates the initial value of the quantization parameter. If iPictureType is equal to 
+	EAvcPictureTypeSI or EavcPictureTypeSP, iPQY is equal to pic_init_qs_minus26 + 26; otherwise
+	iPQY is equal to pic_init_qp_minus26 + 26.
+	*/
+	TUint iQPY;
+
+	/**
+	Pixel aspect ratio numerator. The pixel aspect ratio is defined as 
+	iAspectRatioNum/iAspectRatioDenom, where the values are positive integers and relatively prime. 
+	When aspect_ratio_idc is equal to 0 or sar_width is equal to 0 or sar_height is equal to 0, the 
+	sample aspect ratio shall be considered unspecified, and iAspectRatioNum and iAspectRationDenom 
+	are set to 0. When aspect_ratio_idc is equal to any of the value from 1 to 13, inclusive, 
+	iAspectRatioNum and iAspectRatioDenom are set according to Table E-1 of the AVC specification.
+	When aspect_ratio_idc is equal to 255 (Extended_SAR), iAspectRatioNum is set to sar_width and 
+	iAspectRatioDenom is set to sar_height.
+	*/
+	TUint iAspectRatioNum;
+
+	/**
+	Pixel aspect ratio denominator. The pixel aspect ratio is defined as 
+	iAspectRatioNum/iAspectRatioDenom, where the values are positive integers and relatively prime. 
+	When aspect_ratio_idc is equal to 0 or sar_width is equal to 0 or sar_height is equal to 0, the 
+	sample aspect ratio shall be considered unspecified, and iAspectRatioNum and iAspectRationDenom
+	are set to 0. When aspect_ratio_idc is equal to any of the value from 1 to 13, inclusive, 
+	iAspectRatioNum and iAspectRatioDenom are set according to Table E-1 of the AVC specification.
+	When aspect_ratio_idc is equal to 255 (Extended_SAR), iAspectRatioNum is set to sar_width and 
+	iAspectRatioDenom is set to sar_height.
+	*/
+	TUint iAspectRatioDenom;
+
+	/**
+	Indicates the frame cropping rectangle as specified in subclause 7.4.2.1 of the AVC specification.
+	*/
+	TRect iFrameCropRect;
+
+	/**
+	Equal to 0 indicates that the cropped (according to the frame cropping rectangle) decoded 
+	pictures output contain visually important information in the entire region out to the edges of 
+	the cropping rectangle of the picture, such that the cropped decoded pictures output should not 
+	be displayed using overscan. Instead, they should be displayed using either an exact match 
+	between the display area and the cropping rectangle, or using underscan. Equal to 1 indicates
+	that the cropped decoded picture output is suitable for display using overscan. Otherwise, it is 
+	unspecified whether the cropped decoded picture output is suitable for display using overscan or
+	not. 
+	*/
+	TUint iOverscanInfo;
+
+	/**
+	Indicates the representation of the pictures as specified in Table E-2 of the AVC specification, 
+	before being coded. 
+	*/
+	TUint iVideoFormat;
+
+	/**
+	Indicates whether a picture should be displayed as a frame or one or more fields, according to
+	Table D-1. iPictureStructure is equal to the syntax element pic_struct.
+	*/
+	TUint iPictureStructure;
+
+	/**
+	Each picture has up to NumClockTS sets of clock timestamp information. The value of NumClockTS
+	is as specified in Table D-1 of the AVC specification, with a maximum value equal to 3. Each 
+	instance of iClockTimestamp[i] indicates a time of origin, capture, or alternative ideal display,
+	in units of microseconds. iClockTimestamp[i] is equal to 
+	(clockTimestamp[i] / time_scale * 1000000), where clockTimestamp[i] is the i-th set of clock
+	timestamp information as specified in subclause D.2.2 of the AVC specification. 
+	iClockTimestamp[i] where i is larger than NumClockTS-1 is invalid. When picture timing 
+	information is not available, NumClockTS is set to zero.
+	*/
+	TTimeIntervalMicroSeconds iClockTimestamp[3];
+    };
+
+/**
+This class is used to signal decoder or encoder capabilities or bitstream properties.
+@publishedAll
+@released
+*/
+class TAvcVideoCapability
+    {
+public:
+	/**
+	When used as part of a codec capability indication, iProfileLevel[ProfileIdc] indicates the 
+	maximum processing level that a decoder or an encoder supports for a particular profile set 
+	indicated by ProfileIdc (the indication is described below). A negative value indicates that
+	the profile set is not supported. When used as part of a stream property indication,
+	iProfileLevel[ProfileIdc] indicates the maximum processing level that is present in the stream
+	for a particular profile set indicated by ProfileIdc. A negative value indicates that the stream 
+	does not contain data coded according to the indicated profile set.
+
+	ProfileIdc equal to 0 indicates that all of constraint_set0_flag, constraint_set1_flag and 
+	constraint_set2_flag are equal to 1, and profile_idc may indicate any of the profiles (baseline,
+	main or extended). ProfileIdc equal to 1 indicates that constraint_set0_flag and 
+	constraint_set2_flag are equal to 1 while constraint_set1_flag is equal to 0, and 
+	profile_idc may indicate either the baseline or extended profile. ProfileIdc equal to 2 
+	indicates that constraint_set1_flag and constraint_set2_flag are equal to 1 while 
+	constraint_set0_flag is equal to 0, and profile_idc may indicate either the main or extended 
+	profile. ProfileIdc equal to 3 indicates that constraint_set1_flag is equal to 1 while the other
+	two flags are equal to 0, and profile_idc indicates the main profile. ProfileIdc equal to 4 
+	indicates that constraint_set2_flag is equal to 1 while the other two flags are equal to 0, and
+	profile_idc indicates the extended profile.
+	*/
+	TInt iProfileLevel[5];
+
+	/**
+	iSupplementalInformationCap indicates the supported supplemental enhancement functions. The 
+	value is a binary OR of values from TAvcSupplementalInformation.
+	*/
+	TUint32 iSupplementalInformationCap;
+    };
+
+
+/**
+This class is used to set the encoder operation mode.
+@publishedAll
+@released
+*/
+class TAvcVideoMode
+    {
+public:
+	/**
+	Specifies the picture types allowed in the bitstream. The value is a binary OR of values from 
+	TAvcPictureType. Signaled picture types that are not included in the prevailing coding profile 
+	are ignored.
+	*/
+	TUint32 iAllowedPictureTypes;
+
+	/**
+	Specifies whether Flexible Macroblock Order (FMO) is allowed. Equal to ETrue indicates that 
+	num_slice_groups_minus1 is in the range of 0 to 7, inclusive, i.e. FMO is allowed. Equal to
+	EFalse indicates that num_slice_groups_minus1 shall be equal to 0 only, i.e., FMO is not allowed.
+	*/
+	TBool iFlexibleMacroblockOrder;
+
+	/**
+	Specifies whether redundant pictures may be encoded. Equal to ETrue indicates that 
+	redundant_pic_cnt_present_flag can be equal to either 0 or 1 (i.e., redundant pictures may be 
+	encoded), while Equal to EFalse indicates that redundant_pic_cnt_present_flag shall be equal to
+	0 only (i.e., redundant pictures cannot be encoded). 
+	*/
+	TBool iRedundantPictures;
+
+	/**
+	Specifies whether data partitioning is in use. When equal to ETrue, data partitioning is in use,
+	i.e., NAL unit streams can contain nal_unit_type values in the range of 2 to 4, inclusive. When 
+	equal to EFalse, data partitioning is not in use, i.e., NAL unit streams shall not contain 
+	nal_unit_type values in the range of 2 to 4, inclusive. If data partitioning is in use, the 
+	SetErrorProtectionLevelsL method, if used, should set the number of unequal error protection 
+	levels to be larger than one. 
+	*/
+	TBool iDataPartitioning;
+
+	/**
+	iFrameMBsOnly equal to ETrue specifies that every coded picture of the coded video sequence is a
+	coded frame containing only frame macroblocks. Equal to EFalse specifies that coded pictures of 
+	the coded video sequence may either be coded fields or coded frames.
+	*/
+	TBool iFrameMBsOnly;
+
+	/**
+	iMBAFFCoding equal to EFalse specifies no switching between frame and field 
+	macroblocks within a picture. Equal to ETrue specifies the possible use of switching between 
+	frame and field macroblocks within frames. Valid only when iFrameMBsOnly is equal to EFalse.
+	*/
+	TBool iMBAFFCoding;
+
+	/**
+	Specifies the entropy decoding method to be applied for the syntax elements for which two 
+	descriptors appear in the syntax tables. Equal to EFalse indicates that Exp-Golomb codes or 
+	CAVLC (Context-based Adaptive Variable Length Coding), as described in subclause 9.1 or 9.2 of
+	the AVC specification, is applied. Otherwise, CABAC (Context-based Adaptive Binary Arithmetic 
+	Coding) as described in subclause 9.3 of the AVC specification is applied.
+	*/
+	TBool iEntropyCodingCABAC;
+
+	/**
+	Equal to EFalse specifies that weighted prediction shall not be applied to P and SP slices.
+	Equal to ETrue specifies that weighted prediction may be applied to P and SP slices. 
+	*/
+	TBool iWeightedPPrediction;
+
+	/**
+	Equal to 0 specifies that the default weighted prediction is applied to B slices. Equal to 1 
+	specifies that explicit weighted prediction is applied to B slices. Equal to 2 specifies that 
+	implicit weighted prediction is applied to B slices.
+	*/
+	TUint iWeightedBipredicitonMode;
+
+	/**
+	Specifies the method used in the derivation process for luma motion vectors for B_Skip, 
+	B_Direct_16x16 and B_Direct_8x8 as specified in subclause 8.4.1.2 of the AVC specification. When
+	iFrameMBsOnly is equal to EFalse, iDirect8x8Inference shall be equal to ETrue. 
+	*/
+	TBool iDirect8x8Inference;
+    };
+
+/**
+TAvcHrdParams specifies a set of AVC-specific HRD parameters. All pointers included in the objects
+have the same lifetime as the objects themselves, and the memory is allocated and deallocated by
+the same instance that creates and owns the object.
+@publishedAll
+@released
+*/
+class TAvcHrdParams
+    {
+public:
+    class TCpbParams
+        {
+    public:
+		/**
+		Specifies the delay for a CPB between the time of arrival in the CPB of the first bit of the 
+		coded data associated with the access unit associated with the buffering period SEI message 
+		and the time of removal from the CPB of the coded data associated with the same access unit,
+		for the first buffering period after HRD initialisation. It is in units of a 90 kHz clock.
+		The value is equal to the corresponding initinal_cpb_removal_delay of the NAL HRD parameters
+		if the current parameter is for the NAL HRD or of the VCL HRD parameters if the current
+		parameter is for the VCL HRD. 
+		*/
+		TUint iInitialCpbRemovalDelay;
+
+		/**
+		This parameter is used for a CPB in combination with the cpb_removal_delay to specify the 
+		initial delivery time of coded access units to the CPB.  It is in units of a 90 kHz clock.
+		The value is equal to the corresponding initinal_cpb_removal_delay_offset of the NAL HRD 
+		parameters if the current parameter is for the NAL HRD or of the VCL HRD parameters if the
+		current parameter is for the VCL HRD.
+
+		Note: Over the entire coded video sequence, the sum of iInitialCpbRemovalDelay and the 
+		corresponding iInitialCpbRemovalDelayOffset shall be constant for either the NAL HRD
+		parameters or the VCL HRD parameters.
+		*/
+		TUint iInitialCpbRemovalDelayOffset;
+
+		/**
+		Equal to EFalse specifies that to decode this bitstream by the HRD using the CPB 
+		specification, the hypothetical stream scheduler (HSS) operates in an intermittent bit 
+		rate mode.  Equal to 1 specifies that the HSS operates in a constant bit rate (CBR) mode. 
+		*/
+		TBool iCbr;
+
+		/**
+		Specifies the maximum input bit rate, in bits per second, of a CPB. The value is equal to 
+		Bitrate as specified in subclause E.2.2 of the AVC specification.
+		*/
+		TUint iBitrate;
+
+		/**
+		Specifies the size, in bytes, of a CPB. The value is equal to CpbSize/8, where CpbSize is as
+		specified in subclause E.2.2 of the AVC specification.
+		*/
+		TUint iCpbSize;
+        };
+    
+	/**
+	Specifies the required size of the decoded picture buffer (DPB) in unit of bytes. The value is
+	equal to max_dec_frame_buffering* PicWidthInSamplesL*FrameHeightInMbs*2, where PicWidthInSamplesL
+	and FrameHeightInMbs are specified in subclause 7.4.2.1 of the AVC specification amd the syntax
+	element max_dec_frame_buffering as specified in subclause E.2.1 of the AVC specification.
+	*/
+	TUint iDpbSize;
+    
+	/**
+	Specifies the HRD operational mode as specified in Annex C of the AVC specification. The value
+	of LowDelayHrd is equal to ETrue if the syntax element low_delay_hrd_flag is equal to 1, and
+	EFalse otherwise. This parameter is valid only if at least one of iNalCpbCount and iVclCpbCount
+	is larger than 0.
+	*/
+	TBool iLowDelayHrd;
+    
+	/**
+	Specifies the number of alternative coded picture buffer (CPB) specifications for NAL HRD 
+	parameters in the bitstream. The value of iNalCpbCount is equal to cpb_cnt_minus1 + 1 in the 
+	NAL HRD parameters, if present. iNalCpbCount equal to 0 means that NAL HRD parameters are not
+	present.
+	*/
+	TUint iNalCpbCount;
+    
+	/**
+	Valid only if iNalCpbCount is larger than zero. iNalCpbParams is a pointer to an object of 
+	TCpbParams, which contains the parameters of an alternative CPB.
+	*/
+	TCpbParams* iNalCpbParams;
+    
+	/**
+	Specifies the number of alternative coded picture buffer (CPB) specifications for VCL HRD 
+	parameters in the bitstream. The value of iVclCpbCount is equal to cpb_cnt_minus1 + 1 in the
+	VCL HRD parameters, if present. iVclCpbCount equal to 0 means that VCL HRD parameters are not
+	present.
+	*/
+	TUint iVclCpbCount;
+    
+	/**
+	Valid only if iVclCpbCount is larger than zero. iVclCpbParams is a pointer to an object of 
+	TCpbParams, which contains the parameters of an alternative CPB.
+	*/
+	TCpbParams* iVclCpbParams;
+    };
+
+
+
+
+
+#endif