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* along with this program; if not, write to the Free Software |
* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
* |
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* $Id: motion_est.h,v 1.1.2.10 2002-12-11 10:32:29 syskin Exp $ |
* $Id: motion_est.h,v 1.1.2.12 2003-01-09 11:36:33 syskin Exp $ |
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* |
* |
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***************************************************************************/ |
***************************************************************************/ |
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#include "../portab.h" |
#include "../portab.h" |
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#include "../global.h" |
#include "../global.h" |
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#include "../image/reduced.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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/* vector map (vlc delta size) smoother parameters ! float !*/ |
/* vector map (vlc delta size) smoother parameters ! float !*/ |
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#define NEIGH_TEND_16X16 10.5 |
#define NEIGH_TEND_16X16 10.5 |
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#define NEIGH_TEND_8X8 4.0 |
#define NEIGH_TEND_8X8 40.0 |
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#define NEIGH_8X8_BIAS 30 |
#define NEIGH_8X8_BIAS 30 |
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/* Parameters which control inter/inter4v decision */ |
/* Parameters which control inter/inter4v decision */ |
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}; |
}; |
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#define RRV_MV_SCALEDOWN(a) ( (a)>=0 ? (a+1)/2 : (a-1)/2 ) |
#define RRV_MV_SCALEDOWN(a) ( (a)>=0 ? (a+1)/2 : (a-1)/2 ) |
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#define RRV_MV_SCALEUP(a) ( (a)>0 ? 2*(a)-1 : (a)<0 ? 2*(a)+1 : (a) ) |
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static const VECTOR zeroMV = {0,0}; |
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typedef struct |
typedef struct |
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{ |
{ |
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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 mode |
//fields for interpolate and direct modes |
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const uint8_t *bRef; |
const uint8_t *bRef; |
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const uint8_t *bRefH; |
const uint8_t *bRefH; |
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const uint8_t *bRefV; |
const uint8_t *bRefV; |
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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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} |
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SearchData; |
} SearchData; |
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typedef void(CheckFunc)(const int x, const int y, |
typedef void(CheckFunc)(const int x, const int y, |
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const int Direction, int * const dir, |
const int Direction, int * const dir, |
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const SearchData * const Data); |
const SearchData * const Data); |
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static CheckFunc CheckCandidate16, CheckCandidate16no4v, CheckCandidateInt, |
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CheckCandidateDirect, CheckCandidateDirectno4v, |
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CheckCandidate8; |
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CheckFunc *CheckCandidate; |
CheckFunc *CheckCandidate; |
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/* |
/* |
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* Calculate the min/max range (in halfpixels) |
* Calculate the min/max range |
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* relative to the _MACROBLOCK_ position |
* relative to the _MACROBLOCK_ position |
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*/ |
*/ |
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static void __inline |
static void __inline |
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int32_t * const max_dy, |
int32_t * const max_dy, |
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const uint32_t x, |
const uint32_t x, |
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const uint32_t y, |
const uint32_t y, |
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const uint32_t block_sz, /* block dimension, 8 or 16 */ |
uint32_t block_sz, /* block dimension, 8 or 16 */ |
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const uint32_t width, |
const uint32_t width, |
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const uint32_t height, |
const uint32_t height, |
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const uint32_t fcode) |
const uint32_t fcode, |
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const int qpel, /* 1 if the resulting range should be in qpel precision; otherwise 0 */ |
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const int rrv) |
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{ |
{ |
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int k; |
int k, m = qpel ? 4 : 2; |
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const int search_range = 32 << (fcode - 1); |
const int search_range = 32 << (fcode - 1); |
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const int high = search_range - 1; |
int high = search_range - 1; |
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const int low = -search_range; |
int low = -search_range; |
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k = 2 * (int)(width - x*block_sz); |
if (rrv) { |
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*max_dx = MIN(high, k); |
high = RRV_MV_SCALEUP(high); |
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k = 2 * (int)(height - y*block_sz); |
low = RRV_MV_SCALEUP(low); |
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*max_dy = MIN(high, k); |
block_sz *= 2; |
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k = -2 * (int)((x+1) * block_sz); |
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*min_dx = MAX(low, k); |
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k = -2 * (int)((y+1) * block_sz); |
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*min_dy = MAX(low, k); |
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} |
} |
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static void __inline |
k = m * (int)(width - x * block_sz); |
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get_range_rrv(int32_t * const min_dx, |
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int32_t * const max_dx, |
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int32_t * const min_dy, |
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int32_t * const max_dy, |
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const uint32_t x, |
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const uint32_t y, |
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const uint32_t block_sz, /* block dimension, 8 or 16 */ |
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const uint32_t width, |
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const uint32_t height, |
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const uint32_t fcode) |
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{ |
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int k; |
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const int search_range = 32 << (fcode - 1); |
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const int high = RRV_MV_SCALEUP(search_range - 1); //halfzero -> halfpel, because we do our search in halfpel |
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const int low = RRV_MV_SCALEUP(-search_range); |
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k = 2 * (int)(width - x*block_sz); |
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*max_dx = MIN(high, k); |
*max_dx = MIN(high, k); |
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k = 2 * (int)(height - y*block_sz); |
k = m * (int)(height - y * block_sz); |
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*max_dy = MIN(high, k); |
*max_dy = MIN(high, k); |
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k = -2 * (int)((x+1) * block_sz); |
k = -m * (int)((x+1) * block_sz); |
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*min_dx = MAX(low, k); |
*min_dx = MAX(low, k); |
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k = -2 * (int)((y+1) * block_sz); |
k = -m * (int)((y+1) * block_sz); |
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*min_dy = MAX(low, k); |
*min_dy = MAX(low, k); |
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} |
} |
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static void __inline |
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get_range_qpel(int32_t * const min_dx, |
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int32_t * const max_dx, |
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int32_t * const min_dy, |
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int32_t * const max_dy, |
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const uint32_t x, |
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const uint32_t y, |
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const uint32_t block_sz, /* block dimension, 8 or 16 */ |
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const uint32_t width, |
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const uint32_t height, |
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const uint32_t fcode) |
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{ |
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int k; |
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const int search_range = 32 << (fcode - 1); |
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const int high = search_range - 1; |
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const int low = -search_range; |
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k = 4 * (int)(width - x*block_sz); |
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*max_dx = MIN(high, k); |
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k = 4 * (int)(height - y*block_sz); |
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*max_dy = MIN(high, k); |
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k = -4 * (int)((x+1) * block_sz); |
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*min_dx = MAX(low, k); |
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k = -4 * (int)((y+1) * block_sz); |
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*min_dy = MAX(low, k); |
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} |
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typedef void MainSearchFunc(int x, int y, const SearchData * const Data, int bDirection); |
typedef void MainSearchFunc(int x, int y, const SearchData * const Data, int bDirection); |
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static MainSearchFunc DiamondSearch, AdvDiamondSearch, SquareSearch; |
static MainSearchFunc DiamondSearch, AdvDiamondSearch, SquareSearch; |
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int inter4v, |
int inter4v, |
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MACROBLOCK * const pMB); |
MACROBLOCK * const pMB); |
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static VECTOR |
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GlobalMotionEst(const MACROBLOCK * const pMBs, |
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const MBParam * const pParam, const uint32_t iFcode); |
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#define iDiamondSize 2 |
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#endif /* _MOTION_EST_H_ */ |
#endif /* _MOTION_EST_H_ */ |