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/***************************************************************************** |
/************************************************************************** |
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* |
* |
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* XVID MPEG-4 VIDEO CODEC |
* XVID MPEG-4 VIDEO CODEC |
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* - Motion Estimation related header - |
* - Motion estimation header - |
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* |
* |
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* Copyright(C) 2002 Christoph Lampert <gruel@web.de> |
* This program is an implementation of a part of one or more MPEG-4 |
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* 2002 Michael Militzer <michael@xvid.org> |
* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
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* 2002-2003 Radoslaw Czyz <xvid@syskin.cjb.net> |
* to use this software module in hardware or software products are |
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* advised that its use may infringe existing patents or copyrights, and |
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* any such use would be at such party's own risk. The original |
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* developer of this software module and his/her company, and subsequent |
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* editors and their companies, will have no liability for use of this |
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* software or modifications or derivatives thereof. |
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* |
* |
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* This program is free software ; you can redistribute it and/or modify |
* This program is free software ; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
* it under the terms of the GNU General Public License as published by |
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* |
* |
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* $Id$ |
* $Id$ |
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* |
* |
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****************************************************************************/ |
***************************************************************************/ |
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#ifndef _MOTION_EST_H_ |
#ifndef _MOTION_EST_H_ |
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#define _MOTION_EST_H_ |
#define _MOTION_EST_H_ |
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/* hard coded motion search parameters for motion_est and smp_motion_est */ |
/* hard coded motion search parameters for motion_est and smp_motion_est */ |
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/* very large value */ |
// very large value |
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#define MV_MAX_ERROR (4096 * 256) |
#define MV_MAX_ERROR (4096 * 256) |
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/* INTER bias for INTER/INTRA decision; mpeg4 spec suggests 2*nb */ |
/* INTER bias for INTER/INTRA decision; mpeg4 spec suggests 2*nb */ |
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(int)(21.2656*NEIGH_TEND_8X8 + 0.5), (int)(24.8580*NEIGH_TEND_8X8 + 0.5), |
(int)(21.2656*NEIGH_TEND_8X8 + 0.5), (int)(24.8580*NEIGH_TEND_8X8 + 0.5), |
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(int)(29.6436*NEIGH_TEND_8X8 + 0.5), (int)(36.4949*NEIGH_TEND_8X8 + 0.5) }; |
(int)(29.6436*NEIGH_TEND_8X8 + 0.5), (int)(36.4949*NEIGH_TEND_8X8 + 0.5) }; |
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/* mv.length table */ |
// mv.length table |
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static const int mvtab[64] = { |
static const int mvtab[64] = { |
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1, 2, 3, 4, 6, 7, 7, 7, |
1, 2, 3, 4, 6, 7, 7, 7, |
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9, 9, 9, 10, 10, 10, 10, 10, |
9, 9, 9, 10, 10, 10, 10, 10, |
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typedef struct |
typedef struct |
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{ |
{ |
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/* general fields */ |
// general fields |
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int max_dx, min_dx, max_dy, min_dy; |
int max_dx, min_dx, max_dy, min_dy; |
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uint32_t rounding; |
uint32_t rounding; |
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VECTOR predMV; |
VECTOR predMV; |
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VECTOR * currentMV; |
VECTOR * currentMV; |
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VECTOR * currentQMV; |
VECTOR * currentQMV; |
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int32_t * iMinSAD; |
int32_t * iMinSAD; |
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const uint8_t * RefP[6]; /* N, V, H, HV, cU, cV */ |
const uint8_t * RefP[6]; // N, V, H, HV, cU, cV |
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const uint8_t * CurU; |
const uint8_t * CurU; |
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const uint8_t * CurV; |
const uint8_t * CurV; |
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uint8_t * RefQ; |
uint8_t * RefQ; |
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int qpel, qpel_precision; |
int qpel, qpel_precision; |
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int chroma; |
int chroma; |
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int rrv; |
int rrv; |
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//fields for interpolate and direct modes |
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/* fields for interpolate and direct modes */ |
const uint8_t * b_RefP[6]; // N, V, H, HV, cU, cV |
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const uint8_t * b_RefP[6]; /* N, V, H, HV, cU, cV */ |
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VECTOR bpredMV; |
VECTOR bpredMV; |
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uint32_t bFcode; |
uint32_t bFcode; |
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// fields for direct mode |
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/* fields for direct mode */ |
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VECTOR directmvF[4]; |
VECTOR directmvF[4]; |
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VECTOR directmvB[4]; |
VECTOR directmvB[4]; |
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const VECTOR * referencemv; |
const VECTOR * referencemv; |
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// BITS/R-D stuff |
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/* BITS/R-D stuff */ |
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int16_t * dctSpace; |
int16_t * dctSpace; |
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uint32_t iQuant; |
uint32_t iQuant; |
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uint32_t quant_type; |
uint32_t quant_type; |
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const int x, |
const int x, |
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const int y, |
const int y, |
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const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
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const uint32_t VopFlags, |
const uint32_t GlobalFlags, |
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const uint32_t VolFlags, |
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SearchData * const Data, |
SearchData * const Data, |
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const MBParam * const pParam, |
const MBParam * const pParam, |
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const MACROBLOCK * const pMBs, |
const MACROBLOCK * const pMBs, |
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const MACROBLOCK * const prevMBs, |
const MACROBLOCK * const prevMBs, |
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MACROBLOCK * const pMB); |
MACROBLOCK * const pMB); |
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static WARPPOINTS |
static WARPPOINTS |
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GlobalMotionEst(const MACROBLOCK * const pMBs, |
GlobalMotionEst(const MACROBLOCK * const pMBs, |
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const MBParam * const pParam, |
const MBParam * const pParam, |
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#define iDiamondSize 2 |
#define iDiamondSize 2 |
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static __inline uint32_t |
static __inline uint32_t |
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MakeGoodMotionFlags(const uint32_t MotionFlags, const uint32_t VopFlags, const uint32_t VolFlags) |
MakeGoodMotionFlags(const uint32_t MotionFlags, const uint32_t GlobalFlags) |
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{ |
{ |
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uint32_t Flags = MotionFlags; |
uint32_t Flags = MotionFlags; |
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if (!(VopFlags & XVID_VOP_MODEDECISION_BITS)) |
if (!(GlobalFlags & XVID_MODEDECISION_BITS)) |
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Flags &= ~(XVID_ME_QUARTERPELREFINE16_BITS+XVID_ME_QUARTERPELREFINE8_BITS+XVID_ME_HALFPELREFINE16_BITS+XVID_ME_HALFPELREFINE8_BITS+XVID_ME_EXTSEARCH_BITS); |
Flags &= ~(QUARTERPELREFINE16_BITS+QUARTERPELREFINE8_BITS+HALFPELREFINE16_BITS+HALFPELREFINE8_BITS+EXTSEARCH_BITS); |
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if (Flags & XVID_ME_EXTSEARCH_BITS) |
if (Flags & EXTSEARCH_BITS) |
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Flags |= XVID_ME_HALFPELREFINE16_BITS; |
Flags |= HALFPELREFINE16_BITS; |
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if (Flags & XVID_ME_EXTSEARCH_BITS && MotionFlags & XVID_ME_EXTSEARCH8) |
if (Flags & EXTSEARCH_BITS && MotionFlags & PMV_EXTSEARCH8) |
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Flags |= XVID_ME_HALFPELREFINE8_BITS; |
Flags |= HALFPELREFINE8_BITS; |
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if (Flags & XVID_ME_HALFPELREFINE16_BITS) |
if (Flags & HALFPELREFINE16_BITS) |
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Flags |= XVID_ME_QUARTERPELREFINE16_BITS; |
Flags |= QUARTERPELREFINE16_BITS; |
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if (Flags & XVID_ME_HALFPELREFINE8_BITS) { |
if (Flags & HALFPELREFINE8_BITS) { |
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Flags |= XVID_ME_QUARTERPELREFINE8_BITS; |
Flags |= QUARTERPELREFINE8_BITS; |
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Flags &= ~XVID_ME_HALFPELREFINE8; |
Flags &= ~PMV_HALFPELREFINE8; |
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} |
} |
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if (Flags & XVID_ME_QUARTERPELREFINE8_BITS) |
if (Flags & QUARTERPELREFINE8_BITS) |
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Flags &= ~XVID_ME_QUARTERPELREFINE8; |
Flags &= ~PMV_QUARTERPELREFINE8; |
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if (Flags & QUARTERPELREFINE16_BITS) |
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Flags &= ~PMV_QUARTERPELREFINE16; |
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if (!(VolFlags & XVID_VOL_QUARTERPEL)) |
if (!(GlobalFlags & XVID_QUARTERPEL)) |
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Flags &= ~(XVID_ME_QUARTERPELREFINE16+XVID_ME_QUARTERPELREFINE8+XVID_ME_QUARTERPELREFINE16_BITS+XVID_ME_QUARTERPELREFINE8_BITS); |
Flags &= ~(PMV_QUARTERPELREFINE16+PMV_QUARTERPELREFINE8+QUARTERPELREFINE16_BITS+QUARTERPELREFINE8_BITS); |
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if (!(VopFlags & XVID_VOP_HALFPEL)) |
if (!(GlobalFlags & XVID_HALFPEL)) |
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Flags &= ~(XVID_ME_EXTSEARCH16+XVID_ME_HALFPELREFINE16+XVID_ME_HALFPELREFINE8+XVID_ME_HALFPELREFINE16_BITS+XVID_ME_HALFPELREFINE8_BITS); |
Flags &= ~(PMV_EXTSEARCH16+PMV_HALFPELREFINE16+PMV_HALFPELREFINE8+HALFPELREFINE16_BITS+HALFPELREFINE8_BITS); |
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if ((VopFlags & XVID_VOP_GREYSCALE) || (VopFlags & XVID_VOP_REDUCED)) |
if (GlobalFlags & (XVID_GREYSCALE + XVID_REDUCED)) |
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Flags &= ~(XVID_ME_CHROMA16 + XVID_ME_CHROMA8); |
Flags &= ~(PMV_CHROMA16 + PMV_CHROMA8); |
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return Flags; |
return Flags; |
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} |
} |