;/* *************************************************************************
;** INTEL Corporation Proprietary Information
;**
;** This listing is supplied under the terms of a license
;** agreement with INTEL Corporation and may not be copied
;** nor disclosed except in accordance with the terms of
;** that agreement.
;**
;** Copyright (c) 1995 Intel Corporation.
;** All Rights Reserved.
;**
;** *************************************************************************
;*/
;////////////////////////////////////////////////////////////////////////////
;//
;// $Header: R:\h26x\h26x\src\enc\e3mbad.inv 1.10 04 Oct 1996 08:47:58 BNICKERS $
;// $Log: R:\h26x\h26x\src\enc\e3mbad.inv $
;//
;// Rev 1.10 04 Oct 1996 08:47:58 BNICKERS
;// Add EMV.
;//
;// Rev 1.9 14 May 1996 12:18:46 BNICKERS
;// Initial debugging of MMx B-Frame ME.
;//
;// Rev 1.8 02 May 1996 13:41:08 BNICKERS
;// started integration of MMX PB-frames
;//
;// Rev 1.7 22 Feb 1996 15:02:38 BNICKERS
;// Add unionized field for MMx implementation.
;//
;// Rev 1.6 22 Jan 1996 17:13:44 BNICKERS
;// Add MBEdgeType to MacroBlock Action Descriptor.
;//
;// Rev 1.5 27 Dec 1995 15:33:00 RMCKENZX
;// Added copyright notice
;//
;////////////////////////////////////////////////////////////////////////////
IFDEF _ENDMBAD_INC_
ELSE
_ENDMBAD_INC = 1
;
; Fields for MacroBlock Action Stream Descriptors for the H26x encoder.
;
T_Blk STRUCT
BlkOffset DWORD ? ; 0 -- Offset from upper left viewable pel of Y
; plane to upper left pel of block.
UNION
PastRef DWORD ? ; 4 -- Addr of 8*8 reference block, passed from
; P-Frame ME to P-Frame frame differencing.
STRUCT
CandidateHMVf BYTE ? ; 4 -- Scratch area for figuring BestHMVf values.
CandidateVMVf BYTE ? ; 5 -- Must be 4 bytes after Best...
CandidateHMVb BYTE ? ; 6
CandidateVMVb BYTE ? ; 7
ENDS
CandidateBiDiMVs DWORD ? ; 4
ENDS
UNION
STRUCT
BestHMVf BYTE ? ; 8 -- "Real" MVs for B-Frame block, passed from
BestVMVf BYTE ? ; 9 -- B-Frame ME to P-Frame frame differencing.
BestHMVb BYTE ? ; 10 -- (Biased by 060H)
BestVMVb BYTE ? ; 11
ENDS
BestBiDiMVs DWORD ? ; 8
ENDS
UNION
STRUCT
PHMV BYTE ? ; 12 -- Horz motion vector for P frame ref blk.
PVMV BYTE ? ; 13 -- Vert motion vector for P frame ref blk.
BHMV BYTE ? ; 14 -- Horz motion vector adjustment for B frm.
BVMV BYTE ? ; 15 -- Vert motion vector adjustment for B frame.
ENDS
MVs DWORD ? ; 12
ENDS
T_Blk ENDS
; Symbolic offsets for MMx version:
T_MacroBlockActionDescr STRUCT
BlockType BYTE ? ; 0 -- See Block Types below.
MBEdgeType BYTE ? ; 1 -- 1 left | 2 right | 4 top | 8 bottom
Unassigned1 BYTE ?
FirstMEState BYTE ? ; 3 -- First State Num for Motion Estimation engine.
UNION
STRUCT
CodedBlocks BYTE ? ; 4 -- [6] End-Of-Stream indicator
; [0] indicates Y1 non-empty.
; [1..5] indicate Y2, Y3, Y4, U, V non-empty.
; Other bits zero.
CodedBlocksB BYTE ? ; 5 -- [0..5] like CodedBlocks, but for B frame.
; Set 0 for non-bi-di prediction.
BestFullPelMBHMV BYTE ? ; 6 -- Best full pel HMV at macroblock level.
BestFullPelMBVMV BYTE ? ; 7 -- Best full pel VMV at macroblock level.
ENDS
BestFullPelMBMVs DWORD ? ; 4
ENDS
SWD DWORD ? ; 8 -- Sum of weighted diffs, from motion estimation.
SWDB DWORD ? ; 12 -- Sum of weighted diffs, from ME for B frame.
BlkY1 T_Blk { }
Blk EQU BlkY1
BlkY2 T_Blk { }
BlkY3 T_Blk { }
BlkY4 T_Blk { }
BlkU T_Blk { }
BlkV T_Blk { }
Unassigned4 BYTE 16 DUP (?) ; pad out 16 bytes to 128 bytes total to match C struct
T_MacroBlockActionDescr ENDS
T_MBAD TEXTEQU <T_MacroBlockActionDescr>
IF SIZEOF T_MacroBlockActionDescr-128
**** Size of T_MacroBlockActionDescr MUST BE a power of 2 bytes long.
ENDIF
IF 3*SIZEOF T_MBAD-PITCH
**** Next instr works if PITCH==384 and SizeOf T_MacroBlockActionDescr==128.
**** Here and throughout this file.
ELSE
BlkLvlSWD TEXTEQU <BestBiDiMVs>
CandBlkLvlSWD TEXTEQU <[CONST_384*1-128+CandidateBiDiMVs]>
BestBlkLvlSWD TEXTEQU <[CONST_384*1-128+BestBiDiMVs]>
BlkLvlSWD0Delta TEXTEQU <[CONST_384*1-128+MVs]>
CandBiDiMVs TEXTEQU <[CONST_384*1+CandidateBiDiMVs]>
CandHMVf TEXTEQU <[CONST_384*1+CandidateHMVf]>
CandVMVf TEXTEQU <[CONST_384*1+CandidateVMVf]>
CandHMVb TEXTEQU <[CONST_384*1+CandidateHMVb]>
CandVMVb TEXTEQU <[CONST_384*1+CandidateVMVb]>
BiDiMVs0Delta TEXTEQU <[CONST_384*1+BestBiDiMVs]>
HMVf0Delta TEXTEQU <[CONST_384*1+BestHMVf]>
VMVf0Delta TEXTEQU <[CONST_384*1+BestVMVf]>
HMVb0Delta TEXTEQU <[CONST_384*1+BestHMVb]>
VMVb0Delta TEXTEQU <[CONST_384*1+BestVMVb]>
ENDIF
; Memory layout constraints:
;
; T_MacroBlockActionDescr structure must be 16-byte aligned.
; Each T_Blk structure must be 16-byte aligned.
; FirstMEState must be 3rd byte of a DWORD.
; CodedBlocks must be DWORD aligned.
; CodedBlocksB must be CodedBlocks plus one.
; CodedBlocks & CodedBlocksB should be in different memory bank than BlockType.
; Offset must be 16-byte aligned.
; PastRef must be at Targ plus four.
; Candidate MVs must be at DWORD before Best MVs. MVs must be in order given.
;
; Block Types
;
; Only INTER, INTRA, and INTERSLF used for H261.
; Only INTER1MV, INTRA, INTER4MV used presently for H263.
INTER1MV = 0
INTER = INTER1MV
INTRA = 1
INTERBIDI = 2
INTRABIDI = 3
INTER4MV = 4
INTERSLF = 2
IsINTRA = 1 ; Mask to check for INTRA or INTER
IsBIDI = 2 ; Mask to check for BIDI or not
Is4MV = 4 ; Mask to check for 4 motion vectors or just 1.
LeftEdge = 1 ; Mask to indicate MB is at left edge of picture.
RightEdge = 2 ; Mask to indicate MB is at right edge of picture.
TopEdge = 4 ; Mask to indicate MB is at top edge of picture.
BottomEdge = 8 ; Mask to indicate MB is at bottom edge of picture.
ENDIF