--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mmhais/videohai/devvideo/inc/H263.h Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,510 @@
+// 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 H.263. See the DevVideo specs for more details.
+//
+//
+
+#ifndef __DEVVIDEO_H263_H__
+#define __DEVVIDEO_H263_H__
+
+#include <e32base.h>
+
+
+/**
+Specifies the H263 picture type.
+@publishedAll
+@released
+*/
+enum TH263PictureType
+ {
+ /**INTRA picture*/
+ EH263PictureTypeI = 0x01,
+ /**INTER picture*/
+ EH263PictureTypeP = 0x02,
+ /**B picture according to H.263 Annex O*/
+ EH263PictureTypeB = 0x04,
+ /**EI picture according to H.263 Annex O*/
+ EH263PictureTypeEI = 0x08,
+ /**EP picture according to H.263 Annex O*/
+ EH263PictureTypeEP = 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 signalled value indicates the capability
+of an encoder to produce such supplemental information 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 supplemental information in a way as
+specified below. If a decoder does not have such capability, it shall be able to parse and discard
+the supplemental 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 TH263SupplementalInformation
+ {
+ /**
+ encoder capability: no meaning
+ decoder capability: no meaning
+ bitstream property: existence of FTYPE equal to 1
+ */
+ EH263SEIDoNothing = 0x00000001,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: capability to freeze displayed picture according to subclause L.4 of H.263capability to release frozen displayed picture as a response to bit 5 of PTYPE
+ bitstream property: existence of FTYPE equal to 2
+ */
+ EH263SEIFullPictureFreeze = 0x00000002,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: capability to freeze displayed picture partially (subclause L.5 of H.263)
+ bitstream property: existence of FTYPE equal to 3
+ */
+ EH263SEIPartialPictureFreeze = 0x00000004,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: capability to freeze and resize displayed picture partially (H.263 L.6)
+ bitstream property: existence of FTYPE equal to 4
+ */
+ EH263SEIResizingPartialPictureFreeze = 0x00000008,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: capability to release partially frozen picture (subclause L.7 of H.263)
+ bitstream property: existence of FTYPE equal to 5
+ */
+ EH263SEIPartialPictureFreezeRelease = 0x00000010,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: no meaning
+ bitstream property: existence of FTYPE equal to 6
+ */
+ EH263SEIFullPictureSnapshotTag = 0x00000020,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: no meaning
+ bitstream property: existence of FTYPE equal to 7
+ */
+ EH263SEIPartialPictureSnapshotTag = 0x00000040,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: no meaning
+ bitstream property: existence of FTYPE equal to 8
+ */
+ EH263SEIVideoTimeSegmentStartTag = 0x00000080,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: no meaning
+ bitstream property: existence of FTYPE equal to 9
+ */
+ EH263SEIVideoTimeSegmentEndTag = 0x00000100,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: no meaning
+ bitstream property: existence of FTYPE equal to 10
+ */
+ EH263SEIProgressiveRefinementStartTag = 0x00000200,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: no meaning
+ bitstream property: existence of FTYPE equal to 11
+ */
+ EH263SEIProgressiveRefinementEndTag = 0x00000400,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: operation according to sublause L.14 of H.263
+ bitstream property: existence of FTYPE equal to 12
+ */
+ EH263SEIChromaKeying = 0x00000800,
+
+ /**
+ encoder capability: use of the fixed-point IDCT algorithm specified in Annex W of H.263
+ decoder capability: use of the fixed-point IDCT algorithm specified in Annex W of H.263
+ bitstream property: existence of FTYPE equal to 13
+ */
+ EH263SEIFixedPointIDCT = 0x00001000,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: no meaning
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 0
+ */
+ EH263SEIArbitraryBinaryData = 0x00002000,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: no meaning
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 1
+ */
+ EH263SEIArbitraryText = 0x00004000,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: no meaning
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 2
+ */
+ EH263SEICopyrightText = 0x00008000,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: capability of display caption text as specified in subclause W.6.3.5 of H.263
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 3
+ */
+ EH263SEICaptionText = 0x00010000,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: no meaning
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 4
+ */
+ EH263SEIVideoDescriptionText = 0x00020000,
+
+ /**
+ encoder capability: no meaning
+ decoder capability: no meaning
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 5
+ */
+ EH263SEIUniformResourceIdentifierText = 0x00040000,
+
+ /**
+ encoder capability: capability to repeat the current picture header (subclause W.6.3.7 of H.263)
+ decoder capability: capability to recover a corrupted picture header with a repeated one
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 6
+ */
+ EH263SEICurrentPictureHeaderRepetition = 0x00080000,
+
+ /**
+ encoder capability: capability to repeat the previous picture header (subclause W.6.3.8 of H.263)
+ decoder capability: capability to recover a corrupted or lost picture header with a repeated one
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 7
+ */
+ EH263SEIPreviousPictureHeaderRepetition = 0x00100000,
+
+ /**
+ encoder capability: capability to repeat the next picture header (W.6.3.9 of H.263)
+ decoder capability: capability to recover a corrupted or lost picture header with a repeated one
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 8
+ */
+ EH263SEINextPictureHeaderRepetitionReliableTR = 0x00200000,
+
+ /**
+ encoder capability: capability to repeat the next picture header (W.6.3.10 of H.263)
+ decoder capability: capability to recover a corrupted or lost picture header with a repeated one
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 9
+ */
+ EH263SEINextPictureHeaderRepetitionUnreliableTR = 0x00400000,
+
+ /**
+ encoder capability: capability to encode top fields of interlaced pictures
+ decoder capability: capability to decode and display top fields of interlaced pictures (W.6.3.11of H.263)
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 10
+ */
+ EH263SEITopInterlacedFieldIndication = 0x00800000,
+
+ /**
+ encoder capability: capability to encode bottom fields of interlaced pictures
+ decoder capability: capability to decode and display bottom fields of interlaced pictures (W.6.3.11of H.263)
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 10
+ */
+ EH263SEIBottomInterlacedFieldIndication = 0x01000000,
+
+ /**
+ encoder capability: capability to transmit picture numbers (subclause W.6.3.12 of H.263)
+ decoder capability: capability to indicate reference picture losses from missing picture numbers
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 12
+ */
+ EH263SEIPictureNumber = 0x02000000,
+
+ /**
+ encoder capability: capability to generate spare reference picture information (W.6.3.13 of H.263)
+ decoder capability: capability to use a spare reference picture in absence of real reference picture
+ bitstream property: existence of FTYPE equal to 14 and MTYPE equal to 13
+ */
+ EH263SEISpareReferencePictures = 0x04000000
+ };
+
+
+/**
+H.263 picture header.
+@publishedAll
+@released
+*/
+class TH263PictureHeader
+ {
+public:
+ /**
+ Indicates the temporal reference. iTemporalReference is equal to the value of TR or the value
+ of (ETR << 8) + TR if ETR is present in the picture header.
+ */
+ TUint iTemporalReference;
+
+ /**
+ iLongTermPicture equal to ETrue indicates that the picture has been marked as a long-term
+ picture according to the memory management control operation (MMCO) commands as specified
+ in Annex U of H.263. Otherwise the picture is not a long-term picture.
+ */
+ TBool iLongTermPicture;
+
+ /**
+ iSplitScreen is equal to the value of bit 3 of PTYPE.
+ */
+ TBool iSplitScreen;
+
+ /**
+ iDocumentCamera is equal to the value of bit 4 of PTYPE.
+ */
+ TBool iDocumentCamera;
+
+ /**
+ iFreezePictureRelease is equal to the value of bit 5 of PTYPE.
+ */
+ TBool iFreezePictureRelease;
+
+ /**
+ Indicates the picture coding type. iPictureType is set according to the picture header as one
+ of the values defined in TH263PictureType.
+ */
+ TH263PictureType iPictureType;
+
+ /**
+ Indicates the initial value of the quantization parameter. iPQuant is equal to the value of
+ the PQUANT syntax element.
+ */
+ TUint iPQuant;
+
+ /**
+ Indicates the presence of the extended PTYPE field in the picture layer. The extended PTYPE
+ field is specified in ITU-T Recommendation H.263 version 2 and later. iPlusPType is equal to 1
+ if bits 6 - 8 of PTYPE are equal to '111'. Otherwise, iPlusPType is equal to 0.
+ */
+ TBool iPlusPType;
+
+ /**
+ Indicates the presence of the full extended PTYPE field in the picture layer. If iPlusPType is
+ EFalse, the value of of iUpdateFullExtendedPType is not valid. Otherwise,
+ iUpdateFullExtendedPType is equal to the value of the UFEP syntax element.
+ */
+ TBool iUpdateFullExtendedPType;
+
+ /**
+ Pixel aspect ratio numerator and denominator respectively. The pixel aspect ratio is defined as
+ iAspectRatioNum/iAspectRatioDenom, where the values are positive integers and relatively prime.
+ If iPlusPType is equal to 0, or iPlusPType is ETrue and iUpdateFullExtendedPType is ETrue and
+ bits 1 - 3 of the OPPTYPE syntax element are not equal to '110', iAspectRatioNum shall be equal
+ to 12 and iAspectRatioDenom shall be equal to 11 (as specified in subclause 4.1 of ITU-T
+ Recommendation H.263). If iPlusPType is ETrue and iUpdateFullExtendedPType is ETrue and bits
+ 1 - 3 of the OPPTYPE syntax element are equal to '110', the values of iAspectRatioNum and
+ iAspectRatioDenom are set as specified in subclauses 5.1.5 and 5.1.6 of ITU-T Recommendation
+ H.263. Otherwise (iPlusPType is ETrue and iUpdateFullExtendedPType is EFalse), the values of
+ iAspectRatioNum and iAspectRatioDenom are not valid.
+ */
+ TUint iAspectRatioNum;
+
+ /**
+ Pixel aspect ratio numerator and denominator respectively. The pixel aspect ratio is defined as
+ iAspectRatioNum/iAspectRatioDenom, where the values are positive integers and relatively prime.
+ If iPlusPType is equal to 0, or iPlusPType is ETrue and iUpdateFullExtendedPType is ETrue and
+ bits 1 - 3 of the OPPTYPE syntax element are not equal to '110', iAspectRatioNum shall be equal
+ to 12 and iAspectRatioDenom shall be equal to 11 (as specified in subclause 4.1 of ITU-T
+ Recommendation H.263). If iPlusPType is ETrue and iUpdateFullExtendedPType is ETrue and bits
+ 1 - 3 of the OPPTYPE syntax element are equal to '110', the values of iAspectRatioNum and
+ iAspectRatioDenom are set as specified in subclauses 5.1.5 and 5.1.6 of ITU-T Recommendation
+ H.263. Otherwise (iPlusPType is ETrue and iUpdateFullExtendedPType is EFalse), the values of
+ iAspectRatioNum and iAspectRatioDenom are not valid.
+ */
+ TUint iAspectRatioDenom;
+
+ /**
+ Picture clock frequency numerator and denominator respectively. The picture clock frequency
+ for temporal reference is defined as iPictureClockFrequencyRate / iPictureClockFrequencyScale
+ in floating point arithmetic and where the values are positive integers and relatively prime.
+ If iPlusPType is equal to 0, or iPlusPType is equal to 1 and iUpdateFullExtendedPType is equal
+ to 1 and bit 4 of the OPPTYPE syntax element is equal to 0, iPictureClockFrequencyRate shall be
+ equal to 30000 and iPictureClockFrequencyScale shall be equal to 1001 (as specified in subclause
+ 4.1 of ITU-T Recommendation H.263). If iPlusPType is equal to 1 and iUpdateFullExtendedPType is
+ equal to 1 and bit 4 of the OPPTYPE syntax element is equal to 1, the values of
+ iPictureClockFrequencyRate and iPictureClockFrequencyScale are set as specified in subclause
+ 5.1.7 of ITU-T Recommendation H.263. Otherwise (iPlusPType is equal to 1 and
+ iUpdateFullExtendedPType is equal to 0), the values of iPictureClockFrequencyRate and
+ iPictureClockFrequencyScale are not valid.
+ */
+ TUint iPictureClockFrequencyRate;
+
+ /**
+ Picture clock frequency numerator and denominator respectively. The picture clock frequency
+ for temporal reference is defined as iPictureClockFrequencyRate / iPictureClockFrequencyScale
+ in floating point arithmetic and where the values are positive integers and relatively prime.
+ If iPlusPType is equal to 0, or iPlusPType is equal to 1 and iUpdateFullExtendedPType is equal
+ to 1 and bit 4 of the OPPTYPE syntax element is equal to 0, iPictureClockFrequencyRate shall be
+ equal to 30000 and iPictureClockFrequencyScale shall be equal to 1001 (as specified in subclause
+ 4.1 of ITU-T Recommendation H.263). If iPlusPType is equal to 1 and iUpdateFullExtendedPType is
+ equal to 1 and bit 4 of the OPPTYPE syntax element is equal to 1, the values of
+ iPictureClockFrequencyRate and iPictureClockFrequencyScale are set as specified in subclause
+ 5.1.7 of ITU-T Recommendation H.263. Otherwise (iPlusPType is equal to 1 and
+ iUpdateFullExtendedPType is equal to 0), the values of iPictureClockFrequencyRate and
+ iPictureClockFrequencyScale are not valid.
+ */
+ TUint iPictureClockFrequencyScale;
+ };
+
+/**
+This class is used to signal decoder or encoder capabilities or bitstream properties.
+@publishedAll
+@released
+*/
+class TH263VideoCapability
+ {
+public:
+ /**
+ When part of a codec capability indication, iProfileLevel[ProfileNumber] indicates the
+ maximum processing level that a decoder or an encoder supports for a particular profile
+ indicated by ProfileNumber. A negative value indicates that the profile is not supported.
+ When part of a stream property indication, iProfileLevel[ProfileNumber] indicates the maximum
+ processing level that is present in the stream for a particular profile indicated by
+ ProfileNumber. A negative value indicates that the stream does not contain data coded according
+ to the indicated profile.
+ */
+ TInt iProfileLevel[9];
+
+ /**
+ When equal to ETrue, indicating that it is allowed to use PLUSPTYPE (specified in the 1998
+ version of H.263) to indicate custom picture sizes or clock frequencies. When equal to EFalse,
+ PLUSPTYPE shall not be used.
+ */
+ TBool iPLUSPTYPEAllowed;
+
+ /**
+ iSupplementalInformationCap indicates the supported supplemental enhancement functions. The
+ value is a binary OR of values from TH263SupplementalInformation.
+ */
+ TUint32 iSupplementalInformationCap;
+ };
+
+
+/**
+This class is used to set the encoder operation mode.
+@publishedAll
+@released
+*/
+class TH263VideoMode
+ {
+public:
+ /**
+ Specifies the picture types allowed in the bitstream. The value is a binary OR of values from
+ TH263PictureType. Signaled picture types that are not included in the prevailing coding profile
+ are ignored.
+ */
+ TUint32 iAllowedPictureTypes;
+
+ /**
+ iForceRoundingTypeToZero equal to EFalse specifies that the value of the RTYPE bit (bit 6 of
+ MPPTYPE) is not constrained. It is recommended to change the value of the RTYPE bit for each
+ reference picture in error-free communication (subclause 5.1.4.3 of ITU-T H.263 Recommendation).
+ iForceRoundingTypeToZero equal to ETrue specifies that the value of the RTYPE bit shall be equal
+ to 0 or that the RTYPE field shall not be present in the picture layer. It is recommended to set
+ iForceRoundingTypeToZero equal to ETrue (and consequently RTYPE equal to 0) in error-prone
+ communication as recommended in section 4.2.6 of H.263 Appendix III [R6] and [R7].
+ */
+ TBool iForceRoundingTypeToZero;
+
+ /**
+ Specifies the frequency of picture header repetition as specified in this paragraph. If
+ iPictureHeaderRepetition is equal to 0, picture headers are not repeated. Otherwise, a picture
+ header is repeated, if the value of the GFID syntax element is not equal to the value of the
+ GFID syntax element of the previous picture in bitstream order. If EDuRtpPayload data unit
+ encapsulation is in use, a picture header is repeated the number of times indicated by the value
+ of iPictureHeaderRepetition in those RTP payloads of the picture where the P bit according to
+ RFC 2429 [R8] is set equal to 1 and which do not contain the original picture header. If
+ EDuElementaryStream data unit encapsulation is in use, the picture header is repeated once in
+ the supplemental enhancement information of the next picture as specified in subclause W.6.3.8
+ of ITU-T Recommendation H.263 and section 4.2.6 of H.263 Appendix III [R6].
+ */
+ TUint iPictureHeaderRepetition;
+
+ /**
+ Specifies the interval of non-empty GOB headers in units of GOBs. The value of
+ iGOBHeaderInterval is valid if no slice structured coding mode (Annex K or Annex V) is in use.
+ If iGOBHeaderInterval is equal to 0 and an unlimited segment size is specified with the
+ SetSegmentTargetSize method, the encoder should not generate GOB headers. If iGOBHeaderInterval
+ is greater than 0 and an unlimited segment size is specified with the SetSegmentTargetSize
+ method, the encoder should generate a non-empty GOB header for every iGOBHeaderInterval-th GOB.
+ If SetSegmentTargetSize is used to set a limited segment size, the encoder should generate
+ segments (i.e., insert non-empty GOB headers) so that the length of the segment is no larger
+ than the target size in bytes and no larger than the GOB header frequency specified with the
+ value of iGOBHeaderInterval.
+ */
+ TUint iGOBHeaderInterval;
+ };
+
+/**
+H.263 HRD parameters.
+@publishedAll
+@released
+*/
+class TH263HrdParams
+ {
+public:
+ /**
+ When iAnnexXConstraints is equal to EFalse, iBPPmaxKb, iB, and iRmax indicate the values of HRD
+ parameters. When iAnnexXConstraints is equal to ETrue, the values of iBPPmaxKb, iB, and iRmax in
+ this class are ignored but rather their values are specified in Annex X of ITU-T Recommendation
+ H.263.
+ */
+ TBool iAnnexXConstraints;
+
+ /**
+ Signals the BPPmaxKb parameter of H.263. As specified in ITU-T Recommendation H.263. The number
+ of bits created by coding any single picture shall not exceed a maximum value specified by the
+ parameter BPPmaxKb that is measured in units of 1024 bits. The minimum value of BPPmaxKb is
+ specified in Table 1 of ITU-T Recommendation H.263.
+ */
+ TUint iBPPmaxKb;
+
+ /**
+ Signals the B parameter of H.263 Annex B. As specified in Annex B of ITU-T Recommendation H.263.
+ The value of B shall be equal to or greater than 4 * Rmax / PCF, where PCF is the picture clock
+ frequency specified in subclause 5.1.7 of ITU-T Recommendation H.263. The HRD receiving buffer
+ size is equal to (B + BPPmaxKb * 1024 bits).
+ */
+ TUint iB;
+
+ /**
+ Signals the maximum video bit rate in bits per second, i.e., the Rmax parameter of H.263 Annex B.
+ */
+ TUint iRmax;
+ };
+
+/**
+H.263 redundant picture header.
+Points to a buffer to contain the redundant picture header in the orignal bitstream order. The
+buffer may be used by the MSL client in playback to pass the decapsulated redundant picture header
+from an RTP payload formatted according to RFC 2429, or used by the MSL client in recording to pass
+the picture header to the RTP encapsulator.
+@publishedAll
+@released
+*/
+typedef TPtr8* TH263RedundantPictureHeader;
+
+#endif