Annotation of /branches/dev-api-3/xvidcore/src/motion/motion_est.c

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1 :	Isibaar	3	/**************************************************************************
2 :			*
3 :	chl	259	* XVID MPEG-4 VIDEO CODEC
4 :			* motion estimation
5 :			*
6 :			* This program is an implementation of a part of one or more MPEG-4
7 :			* Video tools as specified in ISO/IEC 14496-2 standard. Those intending
8 :			* to use this software module in hardware or software products are
9 :			* advised that its use may infringe existing patents or copyrights, and
10 :			* any such use would be at such party's own risk. The original
11 :			* developer of this software module and his/her company, and subsequent
12 :			* editors and their companies, will have no liability for use of this
13 :			* software or modifications or derivatives thereof.
14 :			*
15 :			* This program is free software; you can redistribute it and/or modify
16 :			* it under the terms of the GNU General Public License as published by
17 :			* the Free Software Foundation; either version 2 of the License, or
18 :			* (at your option) any later version.
19 :			*
20 :			* This program is distributed in the hope that it will be useful,
21 :			* but WITHOUT ANY WARRANTY; without even the implied warranty of
22 :			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 :			* GNU General Public License for more details.
24 :			*
25 :			* You should have received a copy of the GNU General Public License
26 :			* along with this program; if not, write to the Free Software
27 :			* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 :			*
29 :			*************************************************************************/
30 :
31 :	Isibaar	3	#include <assert.h>
32 :			#include <stdio.h>
33 :	chl	96	#include <stdlib.h>
34 :	Isibaar	3
35 :			#include "../encoder.h"
36 :			#include "../utils/mbfunctions.h"
37 :			#include "../prediction/mbprediction.h"
38 :			#include "../global.h"
39 :			#include "../utils/timer.h"
40 :	Isibaar	580	#include "../image/interpolate8x8.h"
41 :	chl	530	#include "motion_est.h"
42 :	suxen_drol	118	#include "motion.h"
43 :	Isibaar	3	#include "sad.h"
44 :	Isibaar	539	#include "../utils/emms.h"
45 :	Isibaar	3
46 :	chl	530	#define INITIAL_SKIP_THRESH (10)
47 :			#define FINAL_SKIP_THRESH (50)
48 :			#define MAX_SAD00_FOR_SKIP (20)
49 :	Isibaar	539	#define MAX_CHROMA_SAD_FOR_SKIP (22)
50 :			#define SKIP_THRESH_B (25)
51 :	Isibaar	3
52 :	chl	530	#define CHECK_CANDIDATE(X,Y,D) { \
53 :			(*CheckCandidate)((const int)(X),(const int)(Y), (D), &iDirection, data ); }
54 :	Isibaar	3
55 :	chl	530	#define iDiamondSize 2
56 :	chl	141
57 :	chl	530	static __inline int
58 :			d_mv_bits(int x, int y, const uint32_t iFcode)
59 :	Isibaar	3	{
60 :	chl	530	int xb, yb;
61 :
62 :			if (x == 0) xb = 1;
63 :			else {
64 :			if (x < 0) x = -x;
65 :			x += (1 << (iFcode - 1)) - 1;
66 :			x >>= (iFcode - 1);
67 :			if (x > 32) x = 32;
68 :			xb = mvtab[x] + iFcode;
69 :	edgomez	195	}
70 :	Isibaar	3
71 :	chl	530	if (y == 0) yb = 1;
72 :			else {
73 :			if (y < 0) y = -y;
74 :			y += (1 << (iFcode - 1)) - 1;
75 :			y >>= (iFcode - 1);
76 :			if (y > 32) y = 32;
77 :			yb = mvtab[y] + iFcode;
78 :			}
79 :			return xb + yb;
80 :	Isibaar	3	}
81 :
82 :	syskin	628	static int32_t
83 :			ChromaSAD(int dx, int dy, const SearchData * const data)
84 :	Isibaar	3	{
85 :	syskin	628	int sad;
86 :			dx = (dx >> 1) + roundtab_79[dx & 0x3];
87 :			dy = (dy >> 1) + roundtab_79[dy & 0x3];
88 :	Isibaar	3
89 :	syskin	628	switch (((dx & 1) << 1) + (dy & 1)) { // ((dx%2)?2:0)+((dy%2)?1:0)
90 :			case 0:
91 :			sad = sad8(data->CurU, data->RefCU + (dy/2) * (data->iEdgedWidth/2) + dx/2, data->iEdgedWidth/2);
92 :			sad += sad8(data->CurV, data->RefCV + (dy/2) * (data->iEdgedWidth/2) + dx/2, data->iEdgedWidth/2);
93 :			break;
94 :			case 1:
95 :			dx = dx / 2; dy = (dy - 1) / 2;
96 :			sad = sad8bi(data->CurU, data->RefCU + dy * (data->iEdgedWidth/2) + dx, data->RefCU + (dy+1) * (data->iEdgedWidth/2) + dx, data->iEdgedWidth/2);
97 :			sad += sad8bi(data->CurV, data->RefCV + dy * (data->iEdgedWidth/2) + dx, data->RefCV + (dy+1) * (data->iEdgedWidth/2) + dx, data->iEdgedWidth/2);
98 :			break;
99 :			case 2:
100 :			dx = (dx - 1) / 2; dy = dy / 2;
101 :			sad = sad8bi(data->CurU, data->RefCU + dy * (data->iEdgedWidth/2) + dx, data->RefCU + dy * (data->iEdgedWidth/2) + dx+1, data->iEdgedWidth/2);
102 :			sad += sad8bi(data->CurV, data->RefCV + dy * (data->iEdgedWidth/2) + dx, data->RefCV + dy * (data->iEdgedWidth/2) + dx+1, data->iEdgedWidth/2);
103 :			break;
104 :			default:
105 :			dx = (dx - 1) / 2; dy = (dy - 1) / 2;
106 :			interpolate8x8_halfpel_hv(data->RefQ,
107 :			data->RefCU + dy * (data->iEdgedWidth/2) + dx, data->iEdgedWidth/2,
108 :			data->rounding);
109 :			sad = sad8(data->CurU, data->RefQ, data->iEdgedWidth/2);
110 :			interpolate8x8_halfpel_hv(data->RefQ,
111 :			data->RefCV + dy * (data->iEdgedWidth/2) + dx, data->iEdgedWidth/2,
112 :			data->rounding);
113 :			sad += sad8(data->CurV, data->RefQ, data->iEdgedWidth/2);
114 :			break;
115 :	chl	530	}
116 :	syskin	628	return sad;
117 :			}
118 :	Isibaar	3
119 :	syskin	663	static __inline const uint8_t *
120 :			GetReference(const int x, const int y, const int dir, const SearchData * const data)
121 :	Isibaar	606	{
122 :	syskin	663	// dir : 0 = forward, 1 = backward
123 :			switch ( (dir << 2) \| ((x&1)<<1) \| (y&1) ) {
124 :			case 0 : return data->Ref + x/2 + (y/2)*(data->iEdgedWidth);
125 :			case 1 : return data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth);
126 :			case 2 : return data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth);
127 :			case 3 : return data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth);
128 :			case 4 : return data->bRef + x/2 + (y/2)*(data->iEdgedWidth);
129 :			case 5 : return data->bRefV + x/2 + ((y-1)/2)*(data->iEdgedWidth);
130 :			case 6 : return data->bRefH + (x-1)/2 + (y/2)*(data->iEdgedWidth);
131 :			default : return data->bRefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth);
132 :	Isibaar	606
133 :			}
134 :			}
135 :
136 :	syskin	663	static uint8_t *
137 :			Interpolate8x8qpel(const int x, const int y, const int block, const int dir, const SearchData * const data)
138 :	chl	530	{
139 :	syskin	663	// create or find a qpel-precision reference picture; return pointer to it
140 :			uint8_t * Reference = (uint8_t *)data->RefQ;
141 :			const int32_t iEdgedWidth = data->iEdgedWidth;
142 :			const uint32_t rounding = data->rounding;
143 :			const int halfpel_x = x/2;
144 :			const int halfpel_y = y/2;
145 :			const uint8_t ref1, ref2, ref3, ref4;
146 :	chl	326
147 :	syskin	663	ref1 = GetReference(halfpel_x, halfpel_y, dir, data); // this reference is used in all cases
148 :			ref1 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth;
149 :			switch( ((x&1)<<1) + (y&1) ) {
150 :			case 0: // pure halfpel position
151 :			Reference = (uint8_t *) GetReference(halfpel_x, halfpel_y, dir, data);
152 :			Reference += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth;
153 :			break;
154 :	Isibaar	3
155 :	syskin	663	case 1: // x halfpel, y qpel - top or bottom during qpel refinement
156 :			ref2 = GetReference(halfpel_x, y - halfpel_y, dir, data);
157 :			ref2 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth;
158 :	Isibaar	665	interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding, 8);
159 :	syskin	663	break;
160 :	Isibaar	3
161 :	syskin	663	case 2: // x qpel, y halfpel - left or right during qpel refinement
162 :			ref2 = GetReference(x - halfpel_x, halfpel_y, dir, data);
163 :			ref2 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth;
164 :	Isibaar	665	interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding, 8);
165 :	syskin	663	break;
166 :	Isibaar	3
167 :	syskin	663	default: // x and y in qpel resolution - the "corners" (top left/right and
168 :			// bottom left/right) during qpel refinement
169 :			ref2 = GetReference(halfpel_x, y - halfpel_y, dir, data);
170 :			ref3 = GetReference(x - halfpel_x, halfpel_y, dir, data);
171 :			ref4 = GetReference(x - halfpel_x, y - halfpel_y, dir, data);
172 :			ref2 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth;
173 :			ref3 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth;
174 :			ref4 += 8 * (block&1) + 8 * (block>>1) * iEdgedWidth;
175 :			interpolate8x8_avg4(Reference, ref1, ref2, ref3, ref4, iEdgedWidth, rounding);
176 :			break;
177 :			}
178 :			return Reference;
179 :	Isibaar	3	}
180 :
181 :	syskin	663	static uint8_t *
182 :			Interpolate16x16qpel(const int x, const int y, const int dir, const SearchData * const data)
183 :	Isibaar	580	{
184 :	syskin	663	// create or find a qpel-precision reference picture; return pointer to it
185 :	syskin	601	uint8_t * Reference = (uint8_t *)data->RefQ;
186 :	syskin	663	const int32_t iEdgedWidth = data->iEdgedWidth;
187 :			const uint32_t rounding = data->rounding;
188 :			const int halfpel_x = x/2;
189 :			const int halfpel_y = y/2;
190 :	Isibaar	580	const uint8_t ref1, ref2, ref3, ref4;
191 :
192 :	syskin	663	ref1 = GetReference(halfpel_x, halfpel_y, dir, data); // this reference is used in all cases
193 :			switch( ((x&1)<<1) + (y&1) ) {
194 :			case 0: // pure halfpel position
195 :			return (uint8_t *) GetReference(halfpel_x, halfpel_y, dir, data);
196 :	Isibaar	580	case 1: // x halfpel, y qpel - top or bottom during qpel refinement
197 :	syskin	663	ref2 = GetReference(halfpel_x, y - halfpel_y, dir, data);
198 :	Isibaar	665	interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding, 8);
199 :			interpolate8x8_avg2(Reference+8, ref1+8, ref2+8, iEdgedWidth, rounding, 8);
200 :			interpolate8x8_avg2(Reference+8iEdgedWidth, ref1+8iEdgedWidth, ref2+8*iEdgedWidth, iEdgedWidth, rounding, 8);
201 :			interpolate8x8_avg2(Reference+8iEdgedWidth+8, ref1+8iEdgedWidth+8, ref2+8*iEdgedWidth+8, iEdgedWidth, rounding, 8);
202 :	Isibaar	580	break;
203 :
204 :			case 2: // x qpel, y halfpel - left or right during qpel refinement
205 :	syskin	663	ref2 = GetReference(x - halfpel_x, halfpel_y, dir, data);
206 :	Isibaar	665	interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding, 8);
207 :			interpolate8x8_avg2(Reference+8, ref1+8, ref2+8, iEdgedWidth, rounding, 8);
208 :			interpolate8x8_avg2(Reference+8iEdgedWidth, ref1+8iEdgedWidth, ref2+8*iEdgedWidth, iEdgedWidth, rounding, 8);
209 :			interpolate8x8_avg2(Reference+8iEdgedWidth+8, ref1+8iEdgedWidth+8, ref2+8*iEdgedWidth+8, iEdgedWidth, rounding, 8);
210 :	Isibaar	580	break;
211 :
212 :			default: // x and y in qpel resolution - the "corners" (top left/right and
213 :			// bottom left/right) during qpel refinement
214 :	syskin	663	ref2 = GetReference(halfpel_x, y - halfpel_y, dir, data);
215 :			ref3 = GetReference(x - halfpel_x, halfpel_y, dir, data);
216 :			ref4 = GetReference(x - halfpel_x, y - halfpel_y, dir, data);
217 :	Isibaar	580	interpolate8x8_avg4(Reference, ref1, ref2, ref3, ref4, iEdgedWidth, rounding);
218 :			interpolate8x8_avg4(Reference+8, ref1+8, ref2+8, ref3+8, ref4+8, iEdgedWidth, rounding);
219 :			interpolate8x8_avg4(Reference+8iEdgedWidth, ref1+8iEdgedWidth, ref2+8iEdgedWidth, ref3+8iEdgedWidth, ref4+8*iEdgedWidth, iEdgedWidth, rounding);
220 :			interpolate8x8_avg4(Reference+8iEdgedWidth+8, ref1+8iEdgedWidth+8, ref2+8iEdgedWidth+8, ref3+8iEdgedWidth+8, ref4+8*iEdgedWidth+8, iEdgedWidth, rounding);
221 :			break;
222 :			}
223 :	syskin	663	return Reference;
224 :			}
225 :
226 :			/* CHECK_CANDIATE FUNCTIONS START */
227 :
228 :			static void
229 :			CheckCandidate16(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
230 :			{
231 :			int t, xc, yc;
232 :			const uint8_t * Reference;
233 :			VECTOR * current;
234 :
235 :			if (( x > data->max_dx) \|\| ( x < data->min_dx)
236 :			\|\| ( y > data->max_dy) \|\| (y < data->min_dy)) return;
237 :
238 :			if (data->qpel_precision) { // x and y are in 1/4 precision
239 :			Reference = Interpolate16x16qpel(x, y, 0, data);
240 :			t = d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode);
241 :			xc = x/2; yc = y/2; //for chroma sad
242 :			current = data->currentQMV;
243 :			} else {
244 :			switch ( ((x&1)<<1) + (y&1) ) {
245 :			case 0 : Reference = data->Ref + x/2 + (y/2)*(data->iEdgedWidth); break;
246 :			case 1 : Reference = data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); break;
247 :			case 2 : Reference = data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); break;
248 :			default : Reference = data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); break;
249 :			}
250 :			if (data->qpel) t = d_mv_bits(2x - data->predMV.x, 2y - data->predMV.y, data->iFcode);
251 :			else t = d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode);
252 :			current = data->currentMV;
253 :			xc = x; yc = y;
254 :			}
255 :	Isibaar	580
256 :	syskin	663	data->temp[0] = sad16v(data->Cur, Reference, data->iEdgedWidth, data->temp + 1);
257 :	Isibaar	580
258 :	syskin	628	data->temp[0] += (data->lambda16 * t * data->temp[0])/1000;
259 :			data->temp[1] += (data->lambda8 * t * (data->temp[1] + NEIGH_8X8_BIAS))/100;
260 :	Isibaar	580
261 :	syskin	663	if (data->chroma) data->temp[0] += ChromaSAD(xc, yc, data);
262 :	syskin	628
263 :	Isibaar	580	if (data->temp[0] < data->iMinSAD[0]) {
264 :			data->iMinSAD[0] = data->temp[0];
265 :	syskin	663	current[0].x = x; current[0].y = y;
266 :			*dir = Direction; }
267 :	Isibaar	580
268 :			if (data->temp[1] < data->iMinSAD[1]) {
269 :	syskin	663	data->iMinSAD[1] = data->temp[1]; current[1].x = x; current[1].y= y; }
270 :	Isibaar	580	if (data->temp[2] < data->iMinSAD[2]) {
271 :	syskin	663	data->iMinSAD[2] = data->temp[2]; current[2].x = x; current[2].y = y; }
272 :	Isibaar	580	if (data->temp[3] < data->iMinSAD[3]) {
273 :	syskin	663	data->iMinSAD[3] = data->temp[3]; current[3].x = x; current[3].y = y; }
274 :	Isibaar	580	if (data->temp[4] < data->iMinSAD[4]) {
275 :	syskin	663	data->iMinSAD[4] = data->temp[4]; current[4].x = x; current[4].y = y; }
276 :
277 :	Isibaar	580	}
278 :
279 :			static void
280 :	syskin	663	CheckCandidate16no4v(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
281 :	syskin	658	{
282 :			int32_t sad;
283 :	syskin	663	const uint8_t * Reference;
284 :			int t;
285 :			VECTOR * current;
286 :	syskin	658
287 :			if (( x > data->max_dx) \|\| ( x < data->min_dx)
288 :			\|\| ( y > data->max_dy) \|\| (y < data->min_dy)) return;
289 :
290 :	syskin	663	if (data->qpel_precision) { // x and y are in 1/4 precision
291 :			Reference = Interpolate16x16qpel(x, y, 0, data);
292 :			t = d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode);
293 :			current = data->currentQMV;
294 :			} else {
295 :			switch ( ((x&1)<<1) + (y&1) ) {
296 :			case 0 : Reference = data->Ref + x/2 + (y/2)*(data->iEdgedWidth); break;
297 :			case 1 : Reference = data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); break;
298 :			case 2 : Reference = data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); break;
299 :			default : Reference = data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); break;
300 :			}
301 :			if (data->qpel) t = d_mv_bits(2x - data->predMV.x, 2y - data->predMV.y, data->iFcode);
302 :			else t = d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode);
303 :			current = data->currentMV;
304 :	syskin	658	}
305 :
306 :			sad = sad16(data->Cur, Reference, data->iEdgedWidth, 256*4096);
307 :	syskin	663	sad += (data->lambda16 * t * sad)/1000;
308 :	syskin	658
309 :	syskin	663	if (sad < *(data->iMinSAD)) {
310 :			*(data->iMinSAD) = sad;
311 :			current->x = x; current->y = y;
312 :			*dir = Direction; }
313 :	syskin	658	}
314 :
315 :			static void
316 :	Isibaar	539	CheckCandidate16no4vI(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
317 :			{
318 :	syskin	658	// maximum speed - for P/B/I decision
319 :	Isibaar	539	int32_t sad;
320 :
321 :			if (( x > data->max_dx) \|\| ( x < data->min_dx)
322 :			\|\| ( y > data->max_dy) \|\| (y < data->min_dy)) return;
323 :
324 :	syskin	601	sad = sad16(data->Cur, data->Ref + x/2 + (y/2)*(data->iEdgedWidth),
325 :	Isibaar	539	data->iEdgedWidth, 256*4096);
326 :
327 :			if (sad < *(data->iMinSAD)) {
328 :			*(data->iMinSAD) = sad;
329 :			data->currentMV[0].x = x; data->currentMV[0].y = y;
330 :			*dir = Direction; }
331 :			}
332 :
333 :
334 :			static void
335 :	chl	530	CheckCandidateInt(const int xf, const int yf, const int Direction, int * const dir, const SearchData * const data)
336 :			{
337 :			int32_t sad;
338 :	syskin	663	int xb, yb, t;
339 :	chl	530	const uint8_t ReferenceF, ReferenceB;
340 :	syskin	663	VECTOR *current;
341 :	Isibaar	3
342 :	chl	530	if (( xf > data->max_dx) \|\| ( xf < data->min_dx)
343 :			\|\| ( yf > data->max_dy) \|\| (yf < data->min_dy)) return;
344 :	Isibaar	3
345 :	syskin	663	if (data->qpel_precision) {
346 :			ReferenceF = Interpolate16x16qpel(xf, yf, 0, data);
347 :			xb = data->currentQMV[1].x; yb = data->currentQMV[1].y;
348 :			current = data->currentQMV;
349 :			ReferenceB = Interpolate16x16qpel(xb, yb, 1, data);
350 :			t = d_mv_bits(xf - data->predMV.x, yf - data->predMV.y, data->iFcode)
351 :			+ d_mv_bits(xb - data->bpredMV.x, yb - data->bpredMV.y, data->iFcode);
352 :			} else {
353 :			ReferenceF = Interpolate16x16qpel(2xf, 2yf, 0, data);
354 :			xb = data->currentMV[1].x; yb = data->currentMV[1].y;
355 :			ReferenceB = Interpolate16x16qpel(2xb, 2yb, 1, data);
356 :			current = data->currentMV;
357 :			if (data->qpel)
358 :			t = d_mv_bits(2xf - data->predMV.x, 2yf - data->predMV.y, data->iFcode)
359 :			+ d_mv_bits(2xb - data->bpredMV.x, 2yb - data->bpredMV.y, data->iFcode);
360 :			else
361 :			t = d_mv_bits(xf - data->predMV.x, yf - data->predMV.y, data->iFcode)
362 :			+ d_mv_bits(xb - data->bpredMV.x, yb - data->bpredMV.y, data->iFcode);
363 :	chl	530	}
364 :	edgomez	195
365 :	syskin	628	sad = sad16bi(data->Cur, ReferenceF, ReferenceB, data->iEdgedWidth);
366 :	syskin	663	sad += (data->lambda16 * t * sad)/1000;
367 :	syskin	628
368 :	chl	530	if (sad < *(data->iMinSAD)) {
369 :			*(data->iMinSAD) = sad;
370 :	syskin	663	current->x = xf; current->y = yf;
371 :	chl	530	*dir = Direction; }
372 :	Isibaar	3	}
373 :
374 :	chl	530	static void
375 :			CheckCandidateDirect(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
376 :	Isibaar	3	{
377 :	syskin	628	int32_t sad = 0;
378 :	chl	530	int k;
379 :			const uint8_t *ReferenceF;
380 :			const uint8_t *ReferenceB;
381 :			VECTOR mvs, b_mvs;
382 :	Isibaar	3
383 :	chl	530	if (( x > 31) \|\| ( x < -32) \|\| ( y > 31) \|\| (y < -32)) return;
384 :	Isibaar	3
385 :	chl	530	for (k = 0; k < 4; k++) {
386 :			mvs.x = data->directmvF[k].x + x;
387 :			b_mvs.x = ((x == 0) ?
388 :			data->directmvB[k].x
389 :			: mvs.x - data->referencemv[k].x);
390 :	Isibaar	3
391 :	chl	530	mvs.y = data->directmvF[k].y + y;
392 :			b_mvs.y = ((y == 0) ?
393 :			data->directmvB[k].y
394 :			: mvs.y - data->referencemv[k].y);
395 :
396 :			if (( mvs.x > data->max_dx ) \|\| ( mvs.x < data->min_dx )
397 :			\|\| ( mvs.y > data->max_dy ) \|\| ( mvs.y < data->min_dy )
398 :			\|\| ( b_mvs.x > data->max_dx ) \|\| ( b_mvs.x < data->min_dx )
399 :			\|\| ( b_mvs.y > data->max_dy ) \|\| ( b_mvs.y < data->min_dy )) return;
400 :	Isibaar	3
401 :	syskin	663	if (!data->qpel) {
402 :			mvs.x = 2; mvs.y = 2;
403 :			b_mvs.x = 2; b_mvs.y = 2; //we move to qpel precision anyway
404 :	chl	530	}
405 :	syskin	663	ReferenceF = Interpolate8x8qpel(mvs.x, mvs.y, k, 0, data);
406 :			ReferenceB = Interpolate8x8qpel(b_mvs.x, b_mvs.y, k, 1, data);
407 :	chl	530
408 :			sad += sad8bi(data->Cur + 8(k&1) + 8(k>>1)*(data->iEdgedWidth),
409 :	syskin	663	ReferenceF, ReferenceB,
410 :	chl	530	data->iEdgedWidth);
411 :			if (sad > *(data->iMinSAD)) return;
412 :	edgomez	78	}
413 :	chl	530
414 :	syskin	628	sad += (data->lambda16 * d_mv_bits(x, y, 1) * sad)/1000;
415 :
416 :	chl	530	if (sad < *(data->iMinSAD)) {
417 :			*(data->iMinSAD) = sad;
418 :			data->currentMV->x = x; data->currentMV->y = y;
419 :			*dir = Direction; }
420 :	Isibaar	3	}
421 :
422 :	chl	530	static void
423 :			CheckCandidateDirectno4v(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
424 :	chl	96	{
425 :	chl	530	int32_t sad;
426 :			const uint8_t *ReferenceF;
427 :			const uint8_t *ReferenceB;
428 :			VECTOR mvs, b_mvs;
429 :	chl	96
430 :	syskin	576	if (( x > 31) \|\| ( x < -32) \|\| ( y > 31) \|\| (y < -32)) return;
431 :	edgomez	195
432 :	chl	530	mvs.x = data->directmvF[0].x + x;
433 :			b_mvs.x = ((x == 0) ?
434 :			data->directmvB[0].x
435 :			: mvs.x - data->referencemv[0].x);
436 :	edgomez	195
437 :	chl	530	mvs.y = data->directmvF[0].y + y;
438 :			b_mvs.y = ((y == 0) ?
439 :			data->directmvB[0].y
440 :			: mvs.y - data->referencemv[0].y);
441 :
442 :			if (( mvs.x > data->max_dx ) \|\| ( mvs.x < data->min_dx )
443 :			\|\| ( mvs.y > data->max_dy ) \|\| ( mvs.y < data->min_dy )
444 :			\|\| ( b_mvs.x > data->max_dx ) \|\| ( b_mvs.x < data->min_dx )
445 :			\|\| ( b_mvs.y > data->max_dy ) \|\| ( b_mvs.y < data->min_dy )) return;
446 :	chl	96
447 :	syskin	663	if (!data->qpel) {
448 :			mvs.x = 2; mvs.y = 2;
449 :			b_mvs.x = 2; b_mvs.y = 2; //we move to qpel precision anyway
450 :			}
451 :			ReferenceF = Interpolate16x16qpel(mvs.x, mvs.y, 0, data);
452 :			ReferenceB = Interpolate16x16qpel(b_mvs.x, b_mvs.y, 1, data);
453 :	chl	96
454 :	syskin	628	sad = sad16bi(data->Cur, ReferenceF, ReferenceB, data->iEdgedWidth);
455 :			sad += (data->lambda16 * d_mv_bits(x, y, 1) * sad)/1000;
456 :	chl	96
457 :	chl	530	if (sad < *(data->iMinSAD)) {
458 :			*(data->iMinSAD) = sad;
459 :			data->currentMV->x = x; data->currentMV->y = y;
460 :			*dir = Direction; }
461 :			}
462 :	chl	96
463 :	chl	530	static void
464 :			CheckCandidate8(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
465 :			{
466 :	syskin	628	int32_t sad; int t;
467 :	chl	530	const uint8_t * Reference;
468 :	edgomez	195
469 :	chl	530	if (( x > data->max_dx) \|\| ( x < data->min_dx)
470 :			\|\| ( y > data->max_dy) \|\| (y < data->min_dy)) return;
471 :	chl	96
472 :	syskin	663	if (data->qpel) Reference = Interpolate16x16qpel(x, y, 0, data);
473 :			else Reference = Interpolate16x16qpel(2x, 2y, 0, data);
474 :	edgomez	195
475 :	chl	530	sad = sad8(data->Cur, Reference, data->iEdgedWidth);
476 :	syskin	663	if (data->qpel) t = d_mv_bits(2 * x - data->predMV.x, 2 * y - data->predMV.y, data->iFcode);
477 :	syskin	628	else t = d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode);
478 :	edgomez	195
479 :	syskin	628	sad += (data->lambda8 * t * (sad+NEIGH_8X8_BIAS))/100;
480 :	chl	96
481 :	Isibaar	606	if (sad < *(data->iMinSAD)) {
482 :			*(data->iMinSAD) = sad;
483 :			data->currentMV->x = x; data->currentMV->y = y;
484 :			*dir = Direction; }
485 :			}
486 :
487 :	Isibaar	539	/* CHECK_CANDIATE FUNCTIONS END */
488 :	chl	96
489 :	chl	530	/* MAINSEARCH FUNCTIONS START */
490 :	edgomez	195
491 :	chl	530	static void
492 :			AdvDiamondSearch(int x, int y, const SearchData * const data, int bDirection)
493 :	chl	181	{
494 :
495 :			/* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */
496 :
497 :	chl	530	int iDirection;
498 :	edgomez	195
499 :			do {
500 :	chl	181	iDirection = 0;
501 :	chl	530	if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1);
502 :			if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2);
503 :			if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4);
504 :			if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8);
505 :	chl	181
506 :			/* now we're doing diagonal checks near our candidate */
507 :
508 :	chl	530	if (iDirection) { //checking if anything found
509 :	chl	181	bDirection = iDirection;
510 :			iDirection = 0;
511 :	chl	530	x = data->currentMV->x; y = data->currentMV->y;
512 :			if (bDirection & 3) { //our candidate is left or right
513 :			CHECK_CANDIDATE(x, y + iDiamondSize, 8);
514 :			CHECK_CANDIDATE(x, y - iDiamondSize, 4);
515 :			} else { // what remains here is up or down
516 :			CHECK_CANDIDATE(x + iDiamondSize, y, 2);
517 :			CHECK_CANDIDATE(x - iDiamondSize, y, 1); }
518 :	chl	181
519 :	edgomez	195	if (iDirection) {
520 :			bDirection += iDirection;
521 :	chl	530	x = data->currentMV->x; y = data->currentMV->y; }
522 :			} else { //about to quit, eh? not so fast....
523 :	edgomez	195	switch (bDirection) {
524 :	chl	181	case 2:
525 :	chl	530	CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4);
526 :			CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8);
527 :	chl	181	break;
528 :			case 1:
529 :	chl	530	CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4);
530 :			CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8);
531 :	chl	181	break;
532 :	edgomez	195	case 2 + 4:
533 :	chl	530	CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4);
534 :			CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4);
535 :			CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8);
536 :	chl	181	break;
537 :			case 4:
538 :	chl	530	CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4);
539 :			CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4);
540 :	chl	181	break;
541 :			case 8:
542 :	chl	530	CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8);
543 :			CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8);
544 :	chl	181	break;
545 :	edgomez	195	case 1 + 4:
546 :	chl	530	CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8);
547 :			CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4);
548 :			CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4);
549 :	chl	181	break;
550 :	edgomez	195	case 2 + 8:
551 :	chl	530	CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4);
552 :			CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8);
553 :			CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8);
554 :	chl	181	break;
555 :	edgomez	195	case 1 + 8:
556 :	chl	530	CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4);
557 :			CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8);
558 :			CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8);
559 :	chl	181	break;
560 :	edgomez	195	default: //1+2+4+8 == we didn't find anything at all
561 :	chl	530	CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4);
562 :			CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8);
563 :			CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4);
564 :			CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8);
565 :	chl	181	break;
566 :			}
567 :	chl	530	if (!iDirection) break; //ok, the end. really
568 :			bDirection = iDirection;
569 :			x = data->currentMV->x; y = data->currentMV->y;
570 :	chl	181	}
571 :			}
572 :	edgomez	195	while (1); //forever
573 :	chl	181	}
574 :
575 :	chl	530	static void
576 :			SquareSearch(int x, int y, const SearchData * const data, int bDirection)
577 :	chl	326	{
578 :	chl	530	int iDirection;
579 :	chl	326
580 :	chl	530	do {
581 :			iDirection = 0;
582 :			if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1+16+64);
583 :			if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2+32+128);
584 :			if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4+16+32);
585 :			if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8+64+128);
586 :			if (bDirection & 16) CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1+4+16+32+64);
587 :			if (bDirection & 32) CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2+4+16+32+128);
588 :			if (bDirection & 64) CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1+8+16+64+128);
589 :			if (bDirection & 128) CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2+8+32+64+128);
590 :	chl	326
591 :	chl	530	bDirection = iDirection;
592 :			x = data->currentMV->x; y = data->currentMV->y;
593 :			} while (iDirection);
594 :	chl	346	}
595 :
596 :	chl	530	static void
597 :			DiamondSearch(int x, int y, const SearchData * const data, int bDirection)
598 :	chl	346	{
599 :
600 :	chl	181	/* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */
601 :
602 :	chl	530	int iDirection;
603 :	edgomez	195
604 :			do {
605 :	chl	181	iDirection = 0;
606 :	chl	530	if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1);
607 :			if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2);
608 :			if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4);
609 :			if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8);
610 :	chl	181
611 :			/* now we're doing diagonal checks near our candidate */
612 :
613 :	chl	530	if (iDirection) { //checking if anything found
614 :	chl	181	bDirection = iDirection;
615 :			iDirection = 0;
616 :	chl	530	x = data->currentMV->x; y = data->currentMV->y;
617 :			if (bDirection & 3) { //our candidate is left or right
618 :			CHECK_CANDIDATE(x, y + iDiamondSize, 8);
619 :			CHECK_CANDIDATE(x, y - iDiamondSize, 4);
620 :			} else { // what remains here is up or down
621 :			CHECK_CANDIDATE(x + iDiamondSize, y, 2);
622 :			CHECK_CANDIDATE(x - iDiamondSize, y, 1); }
623 :	chl	181
624 :	chl	530	bDirection += iDirection;
625 :			x = data->currentMV->x; y = data->currentMV->y;
626 :	chl	181	}
627 :			}
628 :	chl	530	while (iDirection);
629 :	chl	181	}
630 :
631 :	chl	530	/* MAINSEARCH FUNCTIONS END */
632 :	chl	181
633 :	chl	530	/* HALFPELREFINE COULD BE A MAINSEARCH FUNCTION, BUT THERE IS NO NEED FOR IT */
634 :
635 :			static void
636 :	syskin	663	SubpelRefine(const SearchData * const data)
637 :	chl	96	{
638 :	syskin	663	/* Do a half-pel or q-pel refinement */
639 :			VECTOR backupMV;
640 :	chl	530	int iDirection; //not needed
641 :	chl	96
642 :	syskin	663	if (data->qpel_precision)
643 :			backupMV = *(data->currentQMV);
644 :			else backupMV = *(data->currentMV);
645 :	edgomez	195
646 :	Isibaar	580	CHECK_CANDIDATE(backupMV.x - 1, backupMV.y - 1, 0);
647 :			CHECK_CANDIDATE(backupMV.x + 1, backupMV.y - 1, 0);
648 :			CHECK_CANDIDATE(backupMV.x - 1, backupMV.y + 1, 0);
649 :			CHECK_CANDIDATE(backupMV.x + 1, backupMV.y + 1, 0);
650 :
651 :			CHECK_CANDIDATE(backupMV.x - 1, backupMV.y, 0);
652 :			CHECK_CANDIDATE(backupMV.x + 1, backupMV.y, 0);
653 :
654 :			CHECK_CANDIDATE(backupMV.x, backupMV.y + 1, 0);
655 :			CHECK_CANDIDATE(backupMV.x, backupMV.y - 1, 0);
656 :			}
657 :
658 :	chl	530	static __inline int
659 :			SkipDecisionP(const IMAGE * current, const IMAGE * reference,
660 :			const int x, const int y,
661 :			const uint32_t iEdgedWidth, const uint32_t iQuant)
662 :	chl	96
663 :	Isibaar	3	{
664 :	chl	530	/* keep repeating checks for all b-frames before this P frame,
665 :			to make sure that SKIP is possible (todo)
666 :			how: if skip is not possible set sad00 to a very high value */
667 :	Isibaar	3
668 :	chl	530	uint32_t sadC = sad8(current->u + x8 + y(iEdgedWidth/2)*8,
669 :			reference->u + x8 + y(iEdgedWidth/2)*8, iEdgedWidth/2);
670 :			if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP) return 0;
671 :	h	545	sadC += sad8(current->v + (x + y(iEdgedWidth/2))8,
672 :			reference->v + (x + y(iEdgedWidth/2))8, iEdgedWidth/2);
673 :	chl	530	if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP) return 0;
674 :	edgomez	195
675 :	chl	530	return 1;
676 :			}
677 :	edgomez	195
678 :	chl	530	static __inline void
679 :			SkipMacroblockP(MACROBLOCK *pMB, const int32_t sad)
680 :			{
681 :			pMB->mode = MODE_NOT_CODED;
682 :	Isibaar	539	pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = 0;
683 :			pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = 0;
684 :	syskin	628
685 :	Isibaar	580	pMB->qmvs[0].x = pMB->qmvs[1].x = pMB->qmvs[2].x = pMB->qmvs[3].x = 0;
686 :			pMB->qmvs[0].y = pMB->qmvs[1].y = pMB->qmvs[2].y = pMB->qmvs[3].y = 0;
687 :
688 :	chl	530	pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = sad;
689 :	Isibaar	3	}
690 :
691 :	syskin	628	bool
692 :	chl	530	MotionEstimation(MBParam * const pParam,
693 :			FRAMEINFO * const current,
694 :			FRAMEINFO * const reference,
695 :			const IMAGE * const pRefH,
696 :			const IMAGE * const pRefV,
697 :			const IMAGE * const pRefHV,
698 :			const uint32_t iLimit)
699 :	Isibaar	3	{
700 :	chl	530	MACROBLOCK *const pMBs = current->mbs;
701 :			const IMAGE *const pCurrent = &current->image;
702 :			const IMAGE *const pRef = &reference->image;
703 :	Isibaar	3
704 :	chl	530	const VECTOR zeroMV = { 0, 0 };
705 :	Isibaar	3
706 :	chl	530	uint32_t x, y;
707 :			uint32_t iIntra = 0;
708 :	syskin	628	int32_t InterBias, quant = current->quant, sad00;
709 :	Isibaar	580	uint8_t *qimage;
710 :	edgomez	195
711 :	Isibaar	539	// some pre-initialized thingies for SearchP
712 :			int32_t temp[5];
713 :			VECTOR currentMV[5];
714 :	Isibaar	580	VECTOR currentQMV[5];
715 :	Isibaar	539	int32_t iMinSAD[5];
716 :			SearchData Data;
717 :			Data.iEdgedWidth = pParam->edged_width;
718 :			Data.currentMV = currentMV;
719 :	Isibaar	580	Data.currentQMV = currentQMV;
720 :	Isibaar	539	Data.iMinSAD = iMinSAD;
721 :			Data.temp = temp;
722 :			Data.iFcode = current->fcode;
723 :	Isibaar	580	Data.rounding = pParam->m_rounding_type;
724 :	syskin	628	Data.qpel = pParam->m_quarterpel;
725 :			Data.chroma = current->global_flags & XVID_ME_COLOUR;
726 :	Isibaar	539
727 :	Isibaar	580	if((qimage = (uint8_t ) malloc(32 pParam->edged_width)) == NULL)
728 :	syskin	594	return 1; // allocate some mem for qpel interpolated blocks
729 :	Isibaar	580	// somehow this is dirty since I think we shouldn't use malloc outside
730 :			// encoder_create() - so please fix me!
731 :	syskin	628	Data.RefQ = qimage;
732 :	chl	530	if (sadInit) (*sadInit) ();
733 :	edgomez	195
734 :	chl	530	for (y = 0; y < pParam->mb_height; y++) {
735 :			for (x = 0; x < pParam->mb_width; x++) {
736 :			MACROBLOCK pMB = &pMBs[x + y pParam->mb_width];
737 :	syskin	628
738 :			pMB->sad16
739 :	chl	530	= sad16v(pCurrent->y + (x + y * pParam->edged_width) * 16,
740 :			pRef->y + (x + y * pParam->edged_width) * 16,
741 :			pParam->edged_width, pMB->sad8 );
742 :	edgomez	195
743 :	syskin	628	if (Data.chroma) {
744 :			pMB->sad16 += sad8(pCurrent->u + x8 + y(pParam->edged_width/2)*8,
745 :			pRef->u + x8 + y(pParam->edged_width/2)*8, pParam->edged_width/2);
746 :
747 :			pMB->sad16 += sad8(pCurrent->v + (x + y(pParam->edged_width/2))8,
748 :			pRef->v + (x + y(pParam->edged_width/2))8, pParam->edged_width/2);
749 :			}
750 :
751 :			sad00 = pMB->sad16; //if no gmc; else sad00 = (..)
752 :
753 :	chl	530	if (!(current->global_flags & XVID_LUMIMASKING)) {
754 :			pMB->dquant = NO_CHANGE;
755 :	syskin	601	pMB->quant = current->quant;
756 :			} else {
757 :	syskin	574	if (pMB->dquant != NO_CHANGE) {
758 :			quant += DQtab[pMB->dquant];
759 :			if (quant > 31) quant = 31;
760 :			else if (quant < 1) quant = 1;
761 :			}
762 :	syskin	601	pMB->quant = quant;
763 :			}
764 :	chl	181
765 :	syskin	628	//initial skip decision
766 :	chl	619	/* no early skip for GMC (global vector = skip vector is unknown!) */
767 :			if (current->coding_type == P_VOP) { /* no fast SKIP for S(GMC)-VOPs */
768 :			if (pMB->dquant == NO_CHANGE && sad00 < pMB->quant * INITIAL_SKIP_THRESH)
769 :	syskin	628	if (Data.chroma \|\| SkipDecisionP(pCurrent, pRef, x, y, pParam->edged_width, pMB->quant)) {
770 :	chl	619	SkipMacroblockP(pMB, sad00);
771 :			continue;
772 :			}
773 :			}
774 :	syskin	628
775 :			SearchP(pRef, pRefH->y, pRefV->y, pRefHV->y, pCurrent, x,
776 :	chl	530	y, current->motion_flags, pMB->quant,
777 :	Isibaar	539	&Data, pParam, pMBs, reference->mbs,
778 :	chl	530	current->global_flags & XVID_INTER4V, pMB);
779 :	edgomez	195
780 :	chl	530	/* final skip decision, a.k.a. "the vector you found, really that good?" */
781 :	chl	619	if (current->coding_type == P_VOP) {
782 :			if ( (pMB->dquant == NO_CHANGE) && (sad00 < pMB->quant * MAX_SAD00_FOR_SKIP)
783 :	syskin	601	&& ((100*pMB->sad16)/(sad00+1) > FINAL_SKIP_THRESH) )
784 :	syskin	628	if (Data.chroma \|\| SkipDecisionP(pCurrent, pRef, x, y, pParam->edged_width, pMB->quant)) {
785 :	chl	619	SkipMacroblockP(pMB, sad00);
786 :			continue;
787 :			}
788 :			}
789 :	syskin	628
790 :	chl	530	/* finally, intra decision */
791 :	Isibaar	3
792 :	chl	530	InterBias = MV16_INTER_BIAS;
793 :	syskin	639	if (pMB->quant > 8) InterBias += 100 * (pMB->quant - 8); // to make high quants work
794 :	chl	530	if (y != 0)
795 :	syskin	639	if ((pMB - pParam->mb_width)->mode == MODE_INTRA ) InterBias -= 80;
796 :	chl	530	if (x != 0)
797 :	syskin	639	if ((pMB - 1)->mode == MODE_INTRA ) InterBias -= 80;
798 :	syskin	628
799 :			if (Data.chroma) InterBias += 50; // to compensate bigger SAD
800 :	Isibaar	3
801 :	chl	530	if (InterBias < pMB->sad16) {
802 :			const int32_t deviation =
803 :			dev16(pCurrent->y + (x + y * pParam->edged_width) * 16,
804 :			pParam->edged_width);
805 :	Isibaar	3
806 :	chl	530	if (deviation < (pMB->sad16 - InterBias)) {
807 :	Isibaar	580	if (++iIntra >= iLimit) { free(qimage); return 1; }
808 :	chl	530	pMB->mode = MODE_INTRA;
809 :	Isibaar	539	pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] =
810 :			pMB->mvs[3] = zeroMV;
811 :	Isibaar	580	pMB->qmvs[0] = pMB->qmvs[1] = pMB->qmvs[2] =
812 :			pMB->qmvs[3] = zeroMV;
813 :	chl	530	pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] =
814 :			pMB->sad8[3] = 0;
815 :			}
816 :			}
817 :			}
818 :	Isibaar	3	}
819 :	Isibaar	580	free(qimage);
820 :	chl	619
821 :			if (current->coding_type == S_VOP) /* first GMC step only for S(GMC)-VOPs */
822 :	syskin	628	current->GMC_MV = GlobalMotionEst( pMBs, pParam, current->fcode );
823 :	chl	619	else
824 :			current->GMC_MV = zeroMV;
825 :
826 :	syskin	628	return 0;
827 :	chl	530	}
828 :	Isibaar	3
829 :	edgomez	195
830 :	chl	530	#define PMV_HALFPEL16 (PMV_HALFPELDIAMOND16\|PMV_HALFPELREFINE16)
831 :	Isibaar	3
832 :	chl	530	static __inline int
833 :			make_mask(const VECTOR * const pmv, const int i)
834 :			{
835 :	Isibaar	539	int mask = 255, j;
836 :	chl	530	for (j = 0; j < i; j++) {
837 :			if (MVequal(pmv[i], pmv[j])) return 0; // same vector has been checked already
838 :			if (pmv[i].x == pmv[j].x) {
839 :			if (pmv[i].y == pmv[j].y + iDiamondSize) { mask &= ~4; continue; }
840 :			if (pmv[i].y == pmv[j].y - iDiamondSize) { mask &= ~8; continue; }
841 :			} else
842 :			if (pmv[i].y == pmv[j].y) {
843 :			if (pmv[i].x == pmv[j].x + iDiamondSize) { mask &= ~1; continue; }
844 :			if (pmv[i].x == pmv[j].x - iDiamondSize) { mask &= ~2; continue; }
845 :			}
846 :	Isibaar	3	}
847 :	chl	530	return mask;
848 :			}
849 :	edgomez	195
850 :	chl	530	static __inline void
851 :			PreparePredictionsP(VECTOR * const pmv, int x, int y, const int iWcount,
852 :			const int iHcount, const MACROBLOCK * const prevMB)
853 :			{
854 :	edgomez	195
855 :	chl	530	//this function depends on get_pmvdata which means that it sucks. It should get the predictions by itself
856 :	edgomez	195
857 :	chl	530	if ( (y != 0) && (x != (iWcount-1)) ) { // [5] top-right neighbour
858 :			pmv[5].x = EVEN(pmv[3].x);
859 :	Isibaar	539	pmv[5].y = EVEN(pmv[3].y);
860 :			} else pmv[5].x = pmv[5].y = 0;
861 :	chl	169
862 :	chl	530	if (x != 0) { pmv[3].x = EVEN(pmv[1].x); pmv[3].y = EVEN(pmv[1].y); }// pmv[3] is left neighbour
863 :			else pmv[3].x = pmv[3].y = 0;
864 :	Isibaar	3
865 :	chl	530	if (y != 0) { pmv[4].x = EVEN(pmv[2].x); pmv[4].y = EVEN(pmv[2].y); }// [4] top neighbour
866 :			else pmv[4].x = pmv[4].y = 0;
867 :	chl	169
868 :	chl	530	// [1] median prediction
869 :			pmv[1].x = EVEN(pmv[0].x); pmv[1].y = EVEN(pmv[0].y);
870 :	chl	169
871 :	chl	530	pmv[0].x = pmv[0].y = 0; // [0] is zero; not used in the loop (checked before) but needed here for make_mask
872 :	chl	169
873 :	chl	530	pmv[2].x = EVEN(prevMB->mvs[0].x); // [2] is last frame
874 :			pmv[2].y = EVEN(prevMB->mvs[0].y);
875 :	chl	169
876 :	chl	530	if ((x != iWcount-1) && (y != iHcount-1)) {
877 :			pmv[6].x = EVEN((prevMB+1+iWcount)->mvs[0].x); //[6] right-down neighbour in last frame
878 :	Isibaar	539	pmv[6].y = EVEN((prevMB+1+iWcount)->mvs[0].y);
879 :			} else pmv[6].x = pmv[6].y = 0;
880 :	chl	530	}
881 :	chl	169
882 :	chl	530	static void
883 :	syskin	628	SearchP(const IMAGE * const pRef,
884 :	chl	530	const uint8_t * const pRefH,
885 :			const uint8_t * const pRefV,
886 :			const uint8_t * const pRefHV,
887 :			const IMAGE * const pCur,
888 :			const int x,
889 :			const int y,
890 :			const uint32_t MotionFlags,
891 :			const uint32_t iQuant,
892 :	Isibaar	539	SearchData * const Data,
893 :	chl	530	const MBParam * const pParam,
894 :			const MACROBLOCK * const pMBs,
895 :			const MACROBLOCK * const prevMBs,
896 :			int inter4v,
897 :			MACROBLOCK * const pMB)
898 :			{
899 :	chl	169
900 :	chl	530	int i, iDirection = 255, mask, threshA;
901 :	Isibaar	539	VECTOR pmv[7];
902 :	Isibaar	3
903 :	Isibaar	539	get_pmvdata2(pMBs, pParam->mb_width, 0, x, y, 0, pmv, Data->temp); //has to be changed to get_pmv(2)()
904 :			get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16,
905 :	Isibaar	580	pParam->width, pParam->height, Data->iFcode, pParam->m_quarterpel);
906 :	Isibaar	3
907 :	Isibaar	539	Data->Cur = pCur->y + (x + y * Data->iEdgedWidth) * 16;
908 :	syskin	628	Data->CurV = pCur->v + (x + y * (Data->iEdgedWidth/2)) * 8;
909 :			Data->CurU = pCur->u + (x + y * (Data->iEdgedWidth/2)) * 8;
910 :
911 :			Data->Ref = pRef->y + (x + Data->iEdgedWidthy) 16;
912 :	Isibaar	539	Data->RefH = pRefH + (x + Data->iEdgedWidthy) 16;
913 :			Data->RefV = pRefV + (x + Data->iEdgedWidthy) 16;
914 :			Data->RefHV = pRefHV + (x + Data->iEdgedWidthy) 16;
915 :	syskin	628	Data->RefCV = pRef->v + (x + y * (Data->iEdgedWidth/2)) * 8;
916 :			Data->RefCU = pRef->u + (x + y * (Data->iEdgedWidth/2)) * 8;
917 :	Isibaar	3
918 :	syskin	601	Data->lambda16 = lambda_vec16[iQuant];
919 :	Isibaar	606	Data->lambda8 = lambda_vec8[iQuant];
920 :	syskin	663	Data->qpel_precision = 0;
921 :	chl	169
922 :	chl	530	if (!(MotionFlags & PMV_HALFPEL16)) {
923 :	Isibaar	539	Data->min_dx = EVEN(Data->min_dx);
924 :			Data->max_dx = EVEN(Data->max_dx);
925 :			Data->min_dy = EVEN(Data->min_dy);
926 :			Data->max_dy = EVEN(Data->max_dy); }
927 :	edgomez	568
928 :			if (pMB->dquant != NO_CHANGE) inter4v = 0;
929 :	edgomez	195
930 :	Isibaar	580	for(i = 0; i < 5; i++)
931 :			Data->currentMV[i].x = Data->currentMV[i].y = 0;
932 :	Isibaar	539
933 :	syskin	663	if (pParam->m_quarterpel) Data->predMV = get_qpmv2(pMBs, pParam->mb_width, 0, x, y, 0);
934 :			else Data->predMV = pmv[0];
935 :	Isibaar	606
936 :	syskin	663	i = d_mv_bits(Data->predMV.x, Data->predMV.y, Data->iFcode);
937 :	syskin	628	Data->iMinSAD[0] = pMB->sad16 + (Data->lambda16 * i * pMB->sad16)/1000;
938 :			Data->iMinSAD[1] = pMB->sad8[0] + (Data->lambda8 * i * (pMB->sad8[0]+NEIGH_8X8_BIAS))/100;
939 :	Isibaar	539	Data->iMinSAD[2] = pMB->sad8[1];
940 :			Data->iMinSAD[3] = pMB->sad8[2];
941 :			Data->iMinSAD[4] = pMB->sad8[3];
942 :
943 :	chl	530	if ((x == 0) && (y == 0)) threshA = 512;
944 :			else {
945 :	edgomez	568	threshA = Data->temp[0]; // that's when we keep this SAD atm
946 :	chl	530	if (threshA < 512) threshA = 512;
947 :			if (threshA > 1024) threshA = 1024; }
948 :	Isibaar	3
949 :	chl	530	PreparePredictionsP(pmv, x, y, pParam->mb_width, pParam->mb_height,
950 :			prevMBs + x + y * pParam->mb_width);
951 :	edgomez	195
952 :	syskin	663	if (inter4v \|\| Data->chroma) CheckCandidate = CheckCandidate16;
953 :			else CheckCandidate = CheckCandidate16no4v; //for extra speed
954 :	edgomez	568
955 :	chl	530	/* main loop. checking all predictions */
956 :
957 :			for (i = 1; i < 7; i++) {
958 :			if (!(mask = make_mask(pmv, i)) ) continue;
959 :	edgomez	568	(*CheckCandidate)(pmv[i].x, pmv[i].y, mask, &iDirection, Data);
960 :	Isibaar	539	if (Data->iMinSAD[0] <= threshA) break;
961 :	chl	530	}
962 :
963 :	Isibaar	539	if ((Data->iMinSAD[0] <= threshA) \|\|
964 :			(MVequal(Data->currentMV[0], (prevMBs+x+y*pParam->mb_width)->mvs[0]) &&
965 :			(Data->iMinSAD[0] < (prevMBs+x+y*pParam->mb_width)->sad16))) {
966 :	chl	530	inter4v = 0;
967 :	Isibaar	539	} else {
968 :	Isibaar	3
969 :	Isibaar	539	MainSearchFunc * MainSearchPtr;
970 :			if (MotionFlags & PMV_USESQUARES16) MainSearchPtr = SquareSearch;
971 :			else if (MotionFlags & PMV_ADVANCEDDIAMOND16) MainSearchPtr = AdvDiamondSearch;
972 :			else MainSearchPtr = DiamondSearch;
973 :	chl	181
974 :	Isibaar	539	(*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, iDirection);
975 :	Isibaar	3
976 :	chl	530	/* extended search, diamond starting in 0,0 and in prediction.
977 :			note that this search is/might be done in halfpel positions,
978 :			which makes it more different than the diamond above */
979 :	chl	259
980 :	Isibaar	539	if (MotionFlags & PMV_EXTSEARCH16) {
981 :			int32_t bSAD;
982 :			VECTOR startMV = Data->predMV, backupMV = Data->currentMV[0];
983 :			if (!(MotionFlags & PMV_HALFPELREFINE16)) // who's gonna use extsearch and no halfpel?
984 :			startMV.x = EVEN(startMV.x); startMV.y = EVEN(startMV.y);
985 :			if (!(MVequal(startMV, backupMV))) {
986 :			bSAD = Data->iMinSAD[0]; Data->iMinSAD[0] = MV_MAX_ERROR;
987 :	Isibaar	3
988 :	Isibaar	606	(*CheckCandidate)(startMV.x, startMV.y, 255, &iDirection, Data);
989 :	Isibaar	539	(*MainSearchPtr)(startMV.x, startMV.y, Data, 255);
990 :			if (bSAD < Data->iMinSAD[0]) {
991 :			Data->currentMV[0] = backupMV;
992 :			Data->iMinSAD[0] = bSAD; }
993 :			}
994 :	Isibaar	3
995 :	Isibaar	539	backupMV = Data->currentMV[0];
996 :			if (MotionFlags & PMV_HALFPELREFINE16) startMV.x = startMV.y = 1;
997 :			else startMV.x = startMV.y = 0;
998 :			if (!(MVequal(startMV, backupMV))) {
999 :			bSAD = Data->iMinSAD[0]; Data->iMinSAD[0] = MV_MAX_ERROR;
1000 :	edgomez	195
1001 :	Isibaar	606	(*CheckCandidate)(startMV.x, startMV.y, 255, &iDirection, Data);
1002 :	Isibaar	539	(*MainSearchPtr)(startMV.x, startMV.y, Data, 255);
1003 :			if (bSAD < Data->iMinSAD[0]) {
1004 :			Data->currentMV[0] = backupMV;
1005 :			Data->iMinSAD[0] = bSAD; }
1006 :			}
1007 :	Isibaar	3	}
1008 :			}
1009 :
1010 :	syskin	663	if (MotionFlags & PMV_HALFPELREFINE16) SubpelRefine(Data);
1011 :	Isibaar	3
1012 :	Isibaar	580	for(i = 0; i < 5; i++) {
1013 :			Data->currentQMV[i].x = 2 * Data->currentMV[i].x; // initialize qpel vectors
1014 :			Data->currentQMV[i].y = 2 * Data->currentMV[i].y;
1015 :			}
1016 :
1017 :			if((pParam->m_quarterpel) && (MotionFlags & PMV_QUARTERPELREFINE16)) {
1018 :
1019 :	syskin	663	Data->qpel_precision = 1;
1020 :	Isibaar	606	get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16,
1021 :	syskin	601	pParam->width, pParam->height, Data->iFcode, 0);
1022 :
1023 :	syskin	663	SubpelRefine(Data);
1024 :	Isibaar	580	}
1025 :
1026 :	syskin	628	if (Data->iMinSAD[0] < (int32_t)iQuant * 30 ) inter4v = 0;
1027 :	Isibaar	539	if (inter4v) {
1028 :			SearchData Data8;
1029 :			Data8.iFcode = Data->iFcode;
1030 :	Isibaar	606	Data8.lambda8 = Data->lambda8;
1031 :	Isibaar	539	Data8.iEdgedWidth = Data->iEdgedWidth;
1032 :	Isibaar	606	Data8.RefQ = Data->RefQ;
1033 :	syskin	628	Data8.qpel = Data->qpel;
1034 :	Isibaar	539	Search8(Data, 2x, 2y, MotionFlags, pParam, pMB, pMBs, 0, &Data8);
1035 :			Search8(Data, 2x + 1, 2y, MotionFlags, pParam, pMB, pMBs, 1, &Data8);
1036 :			Search8(Data, 2x, 2y + 1, MotionFlags, pParam, pMB, pMBs, 2, &Data8);
1037 :			Search8(Data, 2x + 1, 2y + 1, MotionFlags, pParam, pMB, pMBs, 3, &Data8);
1038 :	syskin	628
1039 :			if (Data->chroma) {
1040 :	syskin	663	int sumx, sumy, dx, dy;
1041 :	syskin	628
1042 :			if(pParam->m_quarterpel) {
1043 :	syskin	663	sumx= pMB->qmvs[0].x/2 + pMB->qmvs[1].x/2 + pMB->qmvs[2].x/2 + pMB->qmvs[3].x/2;
1044 :			sumy = pMB->qmvs[0].y/2 + pMB->qmvs[1].y/2 + pMB->qmvs[2].y/2 + pMB->qmvs[3].y/2;
1045 :			} else {
1046 :			sumx = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x;
1047 :			sumy = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y;
1048 :			}
1049 :			dx = (sumx >> 3) + roundtab_76[sumx & 0xf];
1050 :			dy = (sumy >> 3) + roundtab_76[sumy & 0xf];
1051 :	syskin	628
1052 :			Data->iMinSAD[1] += ChromaSAD(dx, dy, Data);
1053 :			}
1054 :	Isibaar	539	}
1055 :	Isibaar	3
1056 :	chl	530	if (!(inter4v) \|\|
1057 :	Isibaar	539	(Data->iMinSAD[0] < Data->iMinSAD[1] + Data->iMinSAD[2] +
1058 :			Data->iMinSAD[3] + Data->iMinSAD[4] + IMV16X16 * (int32_t)iQuant )) {
1059 :	chl	530	// INTER MODE
1060 :			pMB->mode = MODE_INTER;
1061 :	Isibaar	539	pMB->mvs[0] = pMB->mvs[1]
1062 :			= pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0];
1063 :	Isibaar	3
1064 :	chl	530	pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] =
1065 :	Isibaar	539	pMB->sad8[2] = pMB->sad8[3] = Data->iMinSAD[0];
1066 :	Isibaar	3
1067 :	Isibaar	580	if(pParam->m_quarterpel) {
1068 :	syskin	663	pMB->qmvs[0] = pMB->qmvs[1]
1069 :			= pMB->qmvs[2] = pMB->qmvs[3] = Data->currentQMV[0];
1070 :			pMB->pmvs[0].x = Data->currentQMV[0].x - Data->predMV.x;
1071 :			pMB->pmvs[0].y = Data->currentQMV[0].y - Data->predMV.y;
1072 :	syskin	628	} else {
1073 :	Isibaar	580	pMB->pmvs[0].x = Data->currentMV[0].x - Data->predMV.x;
1074 :			pMB->pmvs[0].y = Data->currentMV[0].y - Data->predMV.y;
1075 :			}
1076 :	edgomez	195	} else {
1077 :	chl	530	// INTER4V MODE; all other things are already set in Search8
1078 :			pMB->mode = MODE_INTER4V;
1079 :	Isibaar	539	pMB->sad16 = Data->iMinSAD[1] + Data->iMinSAD[2] +
1080 :			Data->iMinSAD[3] + Data->iMinSAD[4] + IMV16X16 * iQuant;
1081 :	edgomez	78	}
1082 :	Isibaar	3	}
1083 :
1084 :	chl	530	static void
1085 :			Search8(const SearchData * const OldData,
1086 :			const int x, const int y,
1087 :			const uint32_t MotionFlags,
1088 :			const MBParam * const pParam,
1089 :			MACROBLOCK * const pMB,
1090 :			const MACROBLOCK * const pMBs,
1091 :	Isibaar	539	const int block,
1092 :			SearchData * const Data)
1093 :	chl	345	{
1094 :	Isibaar	539	Data->iMinSAD = OldData->iMinSAD + 1 + block;
1095 :			Data->currentMV = OldData->currentMV + 1 + block;
1096 :	Isibaar	580	Data->currentQMV = OldData->currentQMV + 1 + block;
1097 :	chl	345
1098 :	syskin	601	if(pParam->m_quarterpel) {
1099 :	syskin	663	Data->predMV = get_qpmv2(pMBs, pParam->mb_width, 0, x/2 , y/2, block);
1100 :	syskin	628	if (block != 0) (Data->iMinSAD) += (Data->lambda8
1101 :	syskin	663	d_mv_bits( Data->currentQMV->x - Data->predMV.x,
1102 :			Data->currentQMV->y - Data->predMV.y,
1103 :	syskin	628	Data->iFcode) * (*Data->iMinSAD + NEIGH_8X8_BIAS))/100;
1104 :	Isibaar	606	} else {
1105 :			Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x/2 , y/2, block);
1106 :	syskin	628	if (block != 0) (Data->iMinSAD) += (Data->lambda8
1107 :	syskin	601	d_mv_bits( Data->currentMV->x - Data->predMV.x,
1108 :			Data->currentMV->y - Data->predMV.y,
1109 :	syskin	628	Data->iFcode) * (*Data->iMinSAD + NEIGH_8X8_BIAS))/100;
1110 :	Isibaar	606	}
1111 :	chl	345
1112 :	chl	530	if (MotionFlags & (PMV_EXTSEARCH8\|PMV_HALFPELREFINE8)) {
1113 :	chl	345
1114 :	Isibaar	539	Data->Ref = OldData->Ref + 8 * ((block&1) + pParam->edged_width*(block>>1));
1115 :			Data->RefH = OldData->RefH + 8 * ((block&1) + pParam->edged_width*(block>>1));
1116 :			Data->RefV = OldData->RefV + 8 * ((block&1) + pParam->edged_width*(block>>1));
1117 :			Data->RefHV = OldData->RefHV + 8 * ((block&1) + pParam->edged_width*(block>>1));
1118 :	chl	345
1119 :	Isibaar	539	Data->Cur = OldData->Cur + 8 * ((block&1) + pParam->edged_width*(block>>1));
1120 :	syskin	663	Data->qpel_precision = 0;
1121 :	chl	530
1122 :	Isibaar	539	get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 8,
1123 :	Isibaar	580	pParam->width, pParam->height, OldData->iFcode, pParam->m_quarterpel);
1124 :	syskin	628	CheckCandidate = CheckCandidate8;
1125 :	chl	345
1126 :	chl	530	if (MotionFlags & PMV_EXTSEARCH8) {
1127 :	Isibaar	580	int32_t temp_sad = *(Data->iMinSAD); // store current MinSAD
1128 :
1129 :	chl	530	MainSearchFunc *MainSearchPtr;
1130 :			if (MotionFlags & PMV_USESQUARES8) MainSearchPtr = SquareSearch;
1131 :			else if (MotionFlags & PMV_ADVANCEDDIAMOND8) MainSearchPtr = AdvDiamondSearch;
1132 :			else MainSearchPtr = DiamondSearch;
1133 :	chl	345
1134 :	Isibaar	580	(*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, 255);
1135 :	chl	345
1136 :	syskin	601	if(*(Data->iMinSAD) < temp_sad) {
1137 :	Isibaar	580	Data->currentQMV->x = 2 * Data->currentMV->x; // update our qpel vector
1138 :			Data->currentQMV->y = 2 * Data->currentMV->y;
1139 :			}
1140 :			}
1141 :
1142 :			if (MotionFlags & PMV_HALFPELREFINE8) {
1143 :			int32_t temp_sad = *(Data->iMinSAD); // store current MinSAD
1144 :
1145 :	syskin	663	SubpelRefine(Data); // perform halfpel refine of current best vector
1146 :	Isibaar	580
1147 :			if(*(Data->iMinSAD) < temp_sad) { // we have found a better match
1148 :			Data->currentQMV->x = 2 * Data->currentMV->x; // update our qpel vector
1149 :			Data->currentQMV->y = 2 * Data->currentMV->y;
1150 :			}
1151 :			}
1152 :
1153 :	syskin	601	if(pParam->m_quarterpel) {
1154 :			if((!(Data->currentQMV->x & 1)) && (!(Data->currentQMV->y & 1)) &&
1155 :			(MotionFlags & PMV_QUARTERPELREFINE8)) {
1156 :	syskin	663	Data->qpel_precision = 1;
1157 :	Isibaar	606	get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 8,
1158 :	syskin	663	pParam->width, pParam->height, OldData->iFcode, 0);
1159 :			SubpelRefine(Data);
1160 :	syskin	601	}
1161 :	Isibaar	580	}
1162 :	chl	345	}
1163 :	chl	530
1164 :	Isibaar	580	if(pParam->m_quarterpel) {
1165 :	syskin	663	pMB->pmvs[block].x = Data->currentQMV->x - Data->predMV.x;
1166 :			pMB->pmvs[block].y = Data->currentQMV->y - Data->predMV.y;
1167 :			pMB->qmvs[block] = *(Data->currentQMV);
1168 :	Isibaar	580	}
1169 :			else {
1170 :			pMB->pmvs[block].x = Data->currentMV->x - Data->predMV.x;
1171 :			pMB->pmvs[block].y = Data->currentMV->y - Data->predMV.y;
1172 :			}
1173 :
1174 :	Isibaar	539	pMB->mvs[block] = *(Data->currentMV);
1175 :	syskin	601	pMB->sad8[block] = 4 * (*Data->iMinSAD);
1176 :	chl	345	}
1177 :
1178 :	chl	530	/* B-frames code starts here */
1179 :	chl	345
1180 :	chl	530	static __inline VECTOR
1181 :			ChoosePred(const MACROBLOCK * const pMB, const uint32_t mode)
1182 :	Isibaar	3	{
1183 :	chl	530	/* the stupidiest function ever */
1184 :			if (mode == MODE_FORWARD) return pMB->mvs[0];
1185 :			else return pMB->b_mvs[0];
1186 :	Isibaar	3	}
1187 :
1188 :	chl	530	static void __inline
1189 :			PreparePredictionsBF(VECTOR * const pmv, const int x, const int y,
1190 :			const uint32_t iWcount,
1191 :			const MACROBLOCK * const pMB,
1192 :			const uint32_t mode_curr)
1193 :	Isibaar	3	{
1194 :
1195 :	chl	530	// [0] is prediction
1196 :			pmv[0].x = EVEN(pmv[0].x); pmv[0].y = EVEN(pmv[0].y);
1197 :	Isibaar	3
1198 :	chl	530	pmv[1].x = pmv[1].y = 0; // [1] is zero
1199 :	Isibaar	3
1200 :	chl	530	pmv[2] = ChoosePred(pMB, mode_curr);
1201 :			pmv[2].x = EVEN(pmv[2].x); pmv[2].y = EVEN(pmv[2].y);
1202 :	edgomez	195
1203 :	chl	530	if ((y != 0)&&(x != (int)(iWcount+1))) { // [3] top-right neighbour
1204 :			pmv[3] = ChoosePred(pMB+1-iWcount, mode_curr);
1205 :	Isibaar	539	pmv[3].x = EVEN(pmv[3].x); pmv[3].y = EVEN(pmv[3].y);
1206 :			} else pmv[3].x = pmv[3].y = 0;
1207 :	Isibaar	3
1208 :	chl	530	if (y != 0) {
1209 :			pmv[4] = ChoosePred(pMB-iWcount, mode_curr);
1210 :			pmv[4].x = EVEN(pmv[4].x); pmv[4].y = EVEN(pmv[4].y);
1211 :			} else pmv[4].x = pmv[4].y = 0;
1212 :	Isibaar	3
1213 :	chl	530	if (x != 0) {
1214 :			pmv[5] = ChoosePred(pMB-1, mode_curr);
1215 :			pmv[5].x = EVEN(pmv[5].x); pmv[5].y = EVEN(pmv[5].y);
1216 :			} else pmv[5].x = pmv[5].y = 0;
1217 :	Isibaar	3
1218 :	chl	530	if ((x != 0)&&(y != 0)) {
1219 :			pmv[6] = ChoosePred(pMB-1-iWcount, mode_curr);
1220 :			pmv[6].x = EVEN(pmv[5].x); pmv[5].y = EVEN(pmv[5].y);
1221 :			} else pmv[6].x = pmv[6].y = 0;
1222 :	edgomez	195
1223 :	chl	530	// more?
1224 :			}
1225 :	chl	181
1226 :	edgomez	170
1227 :	chl	530	/* search backward or forward, for b-frames */
1228 :			static void
1229 :			SearchBF( const uint8_t * const pRef,
1230 :			const uint8_t * const pRefH,
1231 :			const uint8_t * const pRefV,
1232 :			const uint8_t * const pRefHV,
1233 :			const IMAGE * const pCur,
1234 :			const int x, const int y,
1235 :			const uint32_t MotionFlags,
1236 :			const uint32_t iFcode,
1237 :			const MBParam * const pParam,
1238 :			MACROBLOCK * const pMB,
1239 :			const VECTOR * const predMV,
1240 :			int32_t * const best_sad,
1241 :	h	545	const int32_t mode_current,
1242 :			SearchData * const Data)
1243 :	chl	530	{
1244 :	Isibaar	3
1245 :	chl	530	const int32_t iEdgedWidth = pParam->edged_width;
1246 :
1247 :			int i, iDirection, mask;
1248 :	h	545	VECTOR pmv[7];
1249 :	chl	530	MainSearchFunc *MainSearchPtr;
1250 :	h	545	*Data->iMinSAD = MV_MAX_ERROR;
1251 :			Data->iFcode = iFcode;
1252 :	syskin	663	Data->qpel_precision = 0;
1253 :	Isibaar	3
1254 :	h	545	Data->Ref = pRef + (x + y * iEdgedWidth) * 16;
1255 :			Data->RefH = pRefH + (x + y * iEdgedWidth) * 16;
1256 :			Data->RefV = pRefV + (x + y * iEdgedWidth) * 16;
1257 :			Data->RefHV = pRefHV + (x + y * iEdgedWidth) * 16;
1258 :	Isibaar	3
1259 :	h	545	Data->predMV = *predMV;
1260 :	edgomez	195
1261 :	h	545	get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16,
1262 :	Isibaar	580	pParam->width, pParam->height, iFcode, pParam->m_quarterpel);
1263 :	Isibaar	3
1264 :	h	545	pmv[0] = Data->predMV;
1265 :	syskin	658	if (Data->qpel) { pmv[0].x /= 2; pmv[0].y /= 2; }
1266 :	h	545	PreparePredictionsBF(pmv, x, y, pParam->mb_width, pMB, mode_current);
1267 :	edgomez	195
1268 :	h	545	Data->currentMV->x = Data->currentMV->y = 0;
1269 :	chl	530	CheckCandidate = CheckCandidate16no4v;
1270 :	chl	181
1271 :	chl	530	// main loop. checking all predictions
1272 :			for (i = 0; i < 8; i++) {
1273 :			if (!(mask = make_mask(pmv, i)) ) continue;
1274 :	h	545	CheckCandidate16no4v(pmv[i].x, pmv[i].y, mask, &iDirection, Data);
1275 :	edgomez	78	}
1276 :	Isibaar	3
1277 :	chl	530	if (MotionFlags & PMV_USESQUARES16)
1278 :			MainSearchPtr = SquareSearch;
1279 :			else if (MotionFlags & PMV_ADVANCEDDIAMOND16)
1280 :			MainSearchPtr = AdvDiamondSearch;
1281 :			else MainSearchPtr = DiamondSearch;
1282 :	chl	96
1283 :	h	545	(*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, 255);
1284 :	chl	169
1285 :	syskin	663	SubpelRefine(Data);
1286 :	syskin	658
1287 :			if (Data->qpel) {
1288 :			Data->currentQMV->x = 2*Data->currentMV->x;
1289 :			Data->currentQMV->y = 2*Data->currentMV->y;
1290 :	syskin	663	Data->qpel_precision = 1;
1291 :	syskin	658	get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16,
1292 :	syskin	663	pParam->width, pParam->height, iFcode, 0);
1293 :			SubpelRefine(Data);
1294 :	syskin	658	}
1295 :	chl	169
1296 :	chl	530	// three bits are needed to code backward mode. four for forward
1297 :			// we treat the bits just like they were vector's
1298 :	syskin	628	if (mode_current == MODE_FORWARD) Data->iMinSAD += 4 Data->lambda16;
1299 :			else Data->iMinSAD += 3 Data->lambda16;
1300 :	chl	169
1301 :	h	545	if (Data->iMinSAD < best_sad) {
1302 :			best_sad = Data->iMinSAD;
1303 :	chl	530	pMB->mode = mode_current;
1304 :	syskin	658	if (Data->qpel) {
1305 :			pMB->pmvs[0].x = Data->currentQMV->x - predMV->x;
1306 :			pMB->pmvs[0].y = Data->currentQMV->y - predMV->y;
1307 :			if (mode_current == MODE_FORWARD)
1308 :			pMB->qmvs[0] = *Data->currentQMV;
1309 :			else
1310 :			pMB->b_qmvs[0] = *Data->currentQMV;
1311 :			} else {
1312 :			pMB->pmvs[0].x = Data->currentMV->x - predMV->x;
1313 :			pMB->pmvs[0].y = Data->currentMV->y - predMV->y;
1314 :			}
1315 :			if (mode_current == MODE_FORWARD)
1316 :			pMB->mvs[0] = (Data->currentMV+2) = Data->currentMV;
1317 :			else
1318 :			pMB->b_mvs[0] = (Data->currentMV+1) = Data->currentMV; //we store currmv for interpolate search
1319 :
1320 :	chl	169	}
1321 :	chl	530
1322 :			}
1323 :	chl	169
1324 :	chl	530	static int32_t
1325 :	Isibaar	539	SearchDirect(const IMAGE * const f_Ref,
1326 :	chl	530	const uint8_t * const f_RefH,
1327 :			const uint8_t * const f_RefV,
1328 :			const uint8_t * const f_RefHV,
1329 :	Isibaar	539	const IMAGE * const b_Ref,
1330 :	chl	530	const uint8_t * const b_RefH,
1331 :			const uint8_t * const b_RefV,
1332 :			const uint8_t * const b_RefHV,
1333 :			const IMAGE * const pCur,
1334 :			const int x, const int y,
1335 :			const uint32_t MotionFlags,
1336 :			const int32_t TRB, const int32_t TRD,
1337 :			const MBParam * const pParam,
1338 :			MACROBLOCK * const pMB,
1339 :			const MACROBLOCK * const b_mb,
1340 :	h	545	int32_t * const best_sad,
1341 :			SearchData * const Data)
1342 :	edgomez	195
1343 :	chl	530	{
1344 :	h	545	int32_t skip_sad;
1345 :	chl	530	int k;
1346 :	h	545
1347 :	chl	530	MainSearchFunc *MainSearchPtr;
1348 :	Isibaar	3
1349 :	h	545	Data->iMinSAD = 2564096;
1350 :	chl	140
1351 :	h	545	Data->Ref = f_Ref->y + (x + Data->iEdgedWidthy) 16;
1352 :			Data->RefH = f_RefH + (x + Data->iEdgedWidthy) 16;
1353 :			Data->RefV = f_RefV + (x + Data->iEdgedWidthy) 16;
1354 :			Data->RefHV = f_RefHV + (x + Data->iEdgedWidthy) 16;
1355 :			Data->bRef = b_Ref->y + (x + Data->iEdgedWidthy) 16;
1356 :			Data->bRefH = b_RefH + (x + Data->iEdgedWidthy) 16;
1357 :			Data->bRefV = b_RefV + (x + Data->iEdgedWidthy) 16;
1358 :			Data->bRefHV = b_RefHV + (x + Data->iEdgedWidthy) 16;
1359 :	chl	140
1360 :	h	545	Data->max_dx = 2 * pParam->width - 2 * (x) * 16;
1361 :			Data->max_dy = 2 * pParam->height - 2 * (y) * 16;
1362 :			Data->min_dx = -(2 * 16 + 2 * (x) * 16);
1363 :			Data->min_dy = -(2 * 16 + 2 * (y) * 16);
1364 :	syskin	658	if (Data->qpel) { //we measure in qpixels
1365 :			Data->max_dx *= 2;
1366 :			Data->max_dy *= 2;
1367 :			Data->min_dx *= 2;
1368 :			Data->min_dy *= 2;
1369 :			Data->referencemv = b_mb->qmvs;
1370 :			} else Data->referencemv = b_mb->mvs;
1371 :	syskin	663	Data->qpel_precision = 0; // it'm a trick. it's 1 not 0, but we need 0 here
1372 :	Isibaar	3
1373 :	chl	530	for (k = 0; k < 4; k++) {
1374 :	h	545	pMB->mvs[k].x = Data->directmvF[k].x = ((TRB * Data->referencemv[k].x) / TRD);
1375 :			pMB->b_mvs[k].x = Data->directmvB[k].x = ((TRB - TRD) * Data->referencemv[k].x) / TRD;
1376 :			pMB->mvs[k].y = Data->directmvF[k].y = ((TRB * Data->referencemv[k].y) / TRD);
1377 :			pMB->b_mvs[k].y = Data->directmvB[k].y = ((TRB - TRD) * Data->referencemv[k].y) / TRD;
1378 :	Isibaar	3
1379 :	h	545	if ( ( pMB->b_mvs[k].x > Data->max_dx ) \|\| ( pMB->b_mvs[k].x < Data->min_dx )
1380 :			\|\| ( pMB->b_mvs[k].y > Data->max_dy ) \|\| ( pMB->b_mvs[k].y < Data->min_dy )) {
1381 :	Isibaar	3
1382 :	Isibaar	539	best_sad = 2564096; // in that case, we won't use direct mode
1383 :			pMB->mode = MODE_DIRECT; // just to make sure it doesn't say "MODE_DIRECT_NONE_MV"
1384 :			pMB->b_mvs[0].x = pMB->b_mvs[0].y = 0;
1385 :			return 0;
1386 :			}
1387 :			if (b_mb->mode != MODE_INTER4V) {
1388 :			pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->mvs[0];
1389 :			pMB->b_mvs[1] = pMB->b_mvs[2] = pMB->b_mvs[3] = pMB->b_mvs[0];
1390 :	h	545	Data->directmvF[1] = Data->directmvF[2] = Data->directmvF[3] = Data->directmvF[0];
1391 :			Data->directmvB[1] = Data->directmvB[2] = Data->directmvB[3] = Data->directmvB[0];
1392 :	Isibaar	539	break;
1393 :			}
1394 :			}
1395 :	Isibaar	3
1396 :	syskin	663
1397 :			if (b_mb->mode == MODE_INTER4V) CheckCandidate = CheckCandidateDirect;
1398 :			else CheckCandidate = CheckCandidateDirectno4v;
1399 :	syskin	658
1400 :	h	545	(*CheckCandidate)(0, 0, 255, &k, Data);
1401 :	Isibaar	3
1402 :	chl	530	// skip decision
1403 :	syskin	628	if (Data->iMinSAD < pMB->quant SKIP_THRESH_B) {
1404 :	syskin	594	//possible skip - checking chroma. everything copied from MC
1405 :	Isibaar	539	//this is not full chroma compensation, only it's fullpel approximation. should work though
1406 :			int sum, dx, dy, b_dx, b_dy;
1407 :	Isibaar	3
1408 :	syskin	658	if (Data->qpel) {
1409 :			sum = pMB->mvs[0].y/2 + pMB->mvs[1].y/2 + pMB->mvs[2].y/2 + pMB->mvs[3].y/2;
1410 :			dy = (sum >> 3) + roundtab_76[sum & 0xf];
1411 :			sum = pMB->mvs[0].x/2 + pMB->mvs[1].x/2 + pMB->mvs[2].x/2 + pMB->mvs[3].x/2;
1412 :			dx = (sum >> 3) + roundtab_76[sum & 0xf];
1413 :	Isibaar	539
1414 :	syskin	658	sum = pMB->b_mvs[0].y/2 + pMB->b_mvs[1].y/2 + pMB->b_mvs[2].y/2 + pMB->b_mvs[3].y/2;
1415 :			b_dy = (sum >> 3) + roundtab_76[sum & 0xf];
1416 :			sum = pMB->b_mvs[0].x/2 + pMB->b_mvs[1].x/2 + pMB->b_mvs[2].x/2 + pMB->b_mvs[3].x/2;
1417 :			b_dx = (sum >> 3) + roundtab_76[sum & 0xf];
1418 :	Isibaar	539
1419 :	syskin	658	} else {
1420 :			sum = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x;
1421 :			dx = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2));
1422 :			sum = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y;
1423 :			dy = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2));
1424 :	Isibaar	539
1425 :	syskin	658	sum = pMB->b_mvs[0].x + pMB->b_mvs[1].x + pMB->b_mvs[2].x + pMB->b_mvs[3].x;
1426 :			b_dx = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2));
1427 :			sum = pMB->b_mvs[0].y + pMB->b_mvs[1].y + pMB->b_mvs[2].y + pMB->b_mvs[3].y;
1428 :			b_dy = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2));
1429 :			}
1430 :	h	545	sum = sad8bi(pCur->u + 8x + 8y*(Data->iEdgedWidth/2),
1431 :			f_Ref->u + (y8 + dy/2) (Data->iEdgedWidth/2) + x*8 + dx/2,
1432 :			b_Ref->u + (y8 + b_dy/2) (Data->iEdgedWidth/2) + x*8 + b_dx/2,
1433 :			Data->iEdgedWidth/2);
1434 :			sum += sad8bi(pCur->v + 8x + 8y*(Data->iEdgedWidth/2),
1435 :			f_Ref->v + (y8 + dy/2) (Data->iEdgedWidth/2) + x*8 + dx/2,
1436 :			b_Ref->v + (y8 + b_dy/2) (Data->iEdgedWidth/2) + x*8 + b_dx/2,
1437 :			Data->iEdgedWidth/2);
1438 :	Isibaar	539
1439 :	syskin	601	if (sum < MAX_CHROMA_SAD_FOR_SKIP * pMB->quant) {
1440 :	Isibaar	539	pMB->mode = MODE_DIRECT_NONE_MV;
1441 :	h	545	return *Data->iMinSAD;
1442 :	Isibaar	539	}
1443 :			}
1444 :
1445 :	h	545	skip_sad = *Data->iMinSAD;
1446 :	edgomez	195
1447 :	chl	530	// DIRECT MODE DELTA VECTOR SEARCH.
1448 :			// This has to be made more effective, but at the moment I'm happy it's running at all
1449 :	Isibaar	3
1450 :	chl	530	if (MotionFlags & PMV_USESQUARES16) MainSearchPtr = SquareSearch;
1451 :			else if (MotionFlags & PMV_ADVANCEDDIAMOND16) MainSearchPtr = AdvDiamondSearch;
1452 :			else MainSearchPtr = DiamondSearch;
1453 :	edgomez	195
1454 :	h	545	(*MainSearchPtr)(0, 0, Data, 255);
1455 :	Isibaar	3
1456 :	syskin	663	SubpelRefine(Data);
1457 :	Isibaar	3
1458 :	syskin	628	Data->iMinSAD += 1 Data->lambda16; // one bit is needed to code direct mode
1459 :	h	545	best_sad = Data->iMinSAD;
1460 :	Isibaar	3
1461 :	syskin	663	// if (b_mb->mode == MODE_INTER4V)
1462 :	chl	530	pMB->mode = MODE_DIRECT;
1463 :	syskin	663	// else pMB->mode = MODE_DIRECT_NO4V; //for faster compensation
1464 :	edgomez	195
1465 :	h	545	pMB->pmvs[3] = *Data->currentMV;
1466 :	edgomez	195
1467 :	chl	530	for (k = 0; k < 4; k++) {
1468 :	h	545	pMB->mvs[k].x = Data->directmvF[k].x + Data->currentMV->x;
1469 :	syskin	658	pMB->b_mvs[k].x = ( (Data->currentMV->x == 0)
1470 :	h	545	? Data->directmvB[k].x
1471 :	syskin	658	:pMB->mvs[k].x - Data->referencemv[k].x);
1472 :	h	545	pMB->mvs[k].y = (Data->directmvF[k].y + Data->currentMV->y);
1473 :			pMB->b_mvs[k].y = ((Data->currentMV->y == 0)
1474 :			? Data->directmvB[k].y
1475 :			: pMB->mvs[k].y - Data->referencemv[k].y);
1476 :	syskin	658	if (Data->qpel) {
1477 :			pMB->qmvs[k].x = pMB->mvs[k].x; pMB->mvs[k].x /= 2;
1478 :			pMB->b_qmvs[k].x = pMB->b_mvs[k].x; pMB->b_mvs[k].x /= 2;
1479 :			pMB->qmvs[k].y = pMB->mvs[k].y; pMB->mvs[k].y /= 2;
1480 :			pMB->b_qmvs[k].y = pMB->b_mvs[k].y; pMB->b_mvs[k].y /= 2;
1481 :			}
1482 :
1483 :	chl	530	if (b_mb->mode != MODE_INTER4V) {
1484 :			pMB->mvs[3] = pMB->mvs[2] = pMB->mvs[1] = pMB->mvs[0];
1485 :			pMB->b_mvs[3] = pMB->b_mvs[2] = pMB->b_mvs[1] = pMB->b_mvs[0];
1486 :	syskin	658	pMB->qmvs[3] = pMB->qmvs[2] = pMB->qmvs[1] = pMB->qmvs[0];
1487 :			pMB->b_qmvs[3] = pMB->b_qmvs[2] = pMB->b_qmvs[1] = pMB->b_qmvs[0];
1488 :	chl	530	break;
1489 :			}
1490 :			}
1491 :	h	545	return skip_sad;
1492 :	Isibaar	3	}
1493 :	chl	96
1494 :	h	545
1495 :	chl	530	static __inline void
1496 :			SearchInterpolate(const uint8_t * const f_Ref,
1497 :			const uint8_t * const f_RefH,
1498 :			const uint8_t * const f_RefV,
1499 :			const uint8_t * const f_RefHV,
1500 :			const uint8_t * const b_Ref,
1501 :			const uint8_t * const b_RefH,
1502 :			const uint8_t * const b_RefV,
1503 :			const uint8_t * const b_RefHV,
1504 :			const IMAGE * const pCur,
1505 :			const int x, const int y,
1506 :			const uint32_t fcode,
1507 :			const uint32_t bcode,
1508 :			const uint32_t MotionFlags,
1509 :			const MBParam * const pParam,
1510 :			const VECTOR * const f_predMV,
1511 :			const VECTOR * const b_predMV,
1512 :			MACROBLOCK * const pMB,
1513 :	h	545	int32_t * const best_sad,
1514 :			SearchData * const fData)
1515 :	chl	530
1516 :	chl	96	{
1517 :
1518 :	edgomez	195	const int32_t iEdgedWidth = pParam->edged_width;
1519 :	chl	530	int iDirection, i, j;
1520 :	h	545	SearchData bData;
1521 :	chl	96
1522 :	syskin	601	(bData.iMinSAD = fData->iMinSAD) = 4096256;
1523 :	h	545	bData.Cur = fData->Cur;
1524 :			fData->iEdgedWidth = bData.iEdgedWidth = iEdgedWidth;
1525 :	syskin	658	bData.currentMV = fData->currentMV + 1; bData.currentQMV = fData->currentQMV + 1;
1526 :	syskin	601	bData.lambda16 = fData->lambda16;
1527 :	h	545	fData->iFcode = bData.bFcode = fcode; fData->bFcode = bData.iFcode = bcode;
1528 :	edgomez	195
1529 :	h	545	bData.bRef = fData->Ref = f_Ref + (x + y * iEdgedWidth) * 16;
1530 :			bData.bRefH = fData->RefH = f_RefH + (x + y * iEdgedWidth) * 16;
1531 :			bData.bRefV = fData->RefV = f_RefV + (x + y * iEdgedWidth) * 16;
1532 :			bData.bRefHV = fData->RefHV = f_RefHV + (x + y * iEdgedWidth) * 16;
1533 :			bData.Ref = fData->bRef = b_Ref + (x + y * iEdgedWidth) * 16;
1534 :			bData.RefH = fData->bRefH = b_RefH + (x + y * iEdgedWidth) * 16;
1535 :			bData.RefV = fData->bRefV = b_RefV + (x + y * iEdgedWidth) * 16;
1536 :			bData.RefHV = fData->bRefHV = b_RefHV + (x + y * iEdgedWidth) * 16;
1537 :	syskin	658	bData.RefQ = fData->RefQ;
1538 :	syskin	663	fData->qpel_precision = bData.qpel_precision = 0;
1539 :			bData.rounding = 0;
1540 :	chl	96
1541 :	h	545	bData.bpredMV = fData->predMV = *f_predMV;
1542 :			fData->bpredMV = bData.predMV = *b_predMV;
1543 :	edgomez	195
1544 :	syskin	661	fData->currentMV[0] = fData->currentMV[2];
1545 :	Isibaar	580	get_range(&fData->min_dx, &fData->max_dx, &fData->min_dy, &fData->max_dy, x, y, 16, pParam->width, pParam->height, fcode, pParam->m_quarterpel);
1546 :			get_range(&bData.min_dx, &bData.max_dx, &bData.min_dy, &bData.max_dy, x, y, 16, pParam->width, pParam->height, bcode, pParam->m_quarterpel);
1547 :	chl	96
1548 :	h	545	if (fData->currentMV[0].x > fData->max_dx) fData->currentMV[0].x = fData->max_dx;
1549 :			if (fData->currentMV[0].x < fData->min_dx) fData->currentMV[0].x = fData->min_dy;
1550 :			if (fData->currentMV[0].y > fData->max_dy) fData->currentMV[0].y = fData->max_dx;
1551 :			if (fData->currentMV[0].y > fData->min_dy) fData->currentMV[0].y = fData->min_dy;
1552 :	Isibaar	539
1553 :	h	545	if (fData->currentMV[1].x > bData.max_dx) fData->currentMV[1].x = bData.max_dx;
1554 :			if (fData->currentMV[1].x < bData.min_dx) fData->currentMV[1].x = bData.min_dy;
1555 :			if (fData->currentMV[1].y > bData.max_dy) fData->currentMV[1].y = bData.max_dx;
1556 :			if (fData->currentMV[1].y > bData.min_dy) fData->currentMV[1].y = bData.min_dy;
1557 :	Isibaar	539
1558 :	h	545	CheckCandidateInt(fData->currentMV[0].x, fData->currentMV[0].y, 255, &iDirection, fData);
1559 :	chl	96
1560 :	chl	530	//diamond. I wish we could use normal mainsearch functions (square, advdiamond)
1561 :	chl	96
1562 :	chl	530	do {
1563 :			iDirection = 255;
1564 :			// forward MV moves
1565 :	h	545	i = fData->currentMV[0].x; j = fData->currentMV[0].y;
1566 :	chl	96
1567 :	h	545	CheckCandidateInt(i + 1, j, 0, &iDirection, fData);
1568 :			CheckCandidateInt(i, j + 1, 0, &iDirection, fData);
1569 :			CheckCandidateInt(i - 1, j, 0, &iDirection, fData);
1570 :			CheckCandidateInt(i, j - 1, 0, &iDirection, fData);
1571 :	chl	96
1572 :	chl	530	// backward MV moves
1573 :	h	545	i = fData->currentMV[1].x; j = fData->currentMV[1].y;
1574 :			fData->currentMV[2] = fData->currentMV[0];
1575 :	Isibaar	539	CheckCandidateInt(i + 1, j, 0, &iDirection, &bData);
1576 :			CheckCandidateInt(i, j + 1, 0, &iDirection, &bData);
1577 :			CheckCandidateInt(i - 1, j, 0, &iDirection, &bData);
1578 :			CheckCandidateInt(i, j - 1, 0, &iDirection, &bData);
1579 :	chl	96
1580 :	chl	530	} while (!(iDirection));
1581 :	edgomez	195
1582 :	syskin	628	fData->iMinSAD += 2 fData->lambda16; // two bits are needed to code interpolate mode.
1583 :	Isibaar	606
1584 :	syskin	658	if (fData->qpel) {
1585 :	syskin	663	fData->qpel_precision = bData.qpel_precision = 1;
1586 :	syskin	658	get_range(&fData->min_dx, &fData->max_dx, &fData->min_dy, &fData->max_dy, x, y, 16, pParam->width, pParam->height, fcode, 0);
1587 :			get_range(&bData.min_dx, &bData.max_dx, &bData.min_dy, &bData.max_dy, x, y, 16, pParam->width, pParam->height, bcode, 0);
1588 :			fData->currentQMV[2].x = fData->currentQMV[0].x = 2 * fData->currentMV[0].x;
1589 :			fData->currentQMV[2].y = fData->currentQMV[0].y = 2 * fData->currentMV[0].y;
1590 :			fData->currentQMV[1].x = 2 * fData->currentMV[1].x;
1591 :			fData->currentQMV[1].y = 2 * fData->currentMV[1].y;
1592 :	syskin	663	SubpelRefine(fData);
1593 :	syskin	658	fData->currentQMV[2] = fData->currentQMV[0];
1594 :	syskin	663	SubpelRefine(&bData);
1595 :	syskin	658	}
1596 :
1597 :	h	545	if (fData->iMinSAD < best_sad) {
1598 :			best_sad = fData->iMinSAD;
1599 :			pMB->mvs[0] = fData->currentMV[0];
1600 :			pMB->b_mvs[0] = fData->currentMV[1];
1601 :	chl	530	pMB->mode = MODE_INTERPOLATE;
1602 :	syskin	658	if (fData->qpel) {
1603 :			pMB->qmvs[0] = fData->currentQMV[0];
1604 :			pMB->b_qmvs[0] = fData->currentQMV[1];
1605 :			pMB->pmvs[1].x = pMB->qmvs[0].x - f_predMV->x;
1606 :			pMB->pmvs[1].y = pMB->qmvs[0].y - f_predMV->y;
1607 :			pMB->pmvs[0].x = pMB->b_qmvs[0].x - b_predMV->x;
1608 :			pMB->pmvs[0].y = pMB->b_qmvs[0].y - b_predMV->y;
1609 :			} else {
1610 :			pMB->pmvs[1].x = pMB->mvs[0].x - f_predMV->x;
1611 :			pMB->pmvs[1].y = pMB->mvs[0].y - f_predMV->y;
1612 :			pMB->pmvs[0].x = pMB->b_mvs[0].x - b_predMV->x;
1613 :			pMB->pmvs[0].y = pMB->b_mvs[0].y - b_predMV->y;
1614 :			}
1615 :	chl	530	}
1616 :			}
1617 :	chl	96
1618 :	chl	530	void
1619 :			MotionEstimationBVOP(MBParam * const pParam,
1620 :			FRAMEINFO * const frame,
1621 :			const int32_t time_bp,
1622 :			const int32_t time_pp,
1623 :			// forward (past) reference
1624 :			const MACROBLOCK * const f_mbs,
1625 :			const IMAGE * const f_ref,
1626 :			const IMAGE * const f_refH,
1627 :			const IMAGE * const f_refV,
1628 :			const IMAGE * const f_refHV,
1629 :			// backward (future) reference
1630 :	syskin	644	const FRAMEINFO * const b_reference,
1631 :	chl	530	const IMAGE * const b_ref,
1632 :			const IMAGE * const b_refH,
1633 :			const IMAGE * const b_refV,
1634 :			const IMAGE * const b_refHV)
1635 :			{
1636 :			uint32_t i, j;
1637 :			int32_t best_sad, skip_sad;
1638 :			int f_count = 0, b_count = 0, i_count = 0, d_count = 0, n_count = 0;
1639 :			static const VECTOR zeroMV={0,0};
1640 :	syskin	644	const MACROBLOCK * const b_mbs = b_reference->mbs;
1641 :	chl	96
1642 :	chl	530	VECTOR f_predMV, b_predMV; /* there is no prediction for direct mode*/
1643 :	chl	96
1644 :	chl	530	const int32_t TRB = time_pp - time_bp;
1645 :			const int32_t TRD = time_pp;
1646 :	syskin	658	uint8_t * qimage;
1647 :	chl	96
1648 :	h	545	// some pre-inintialized data for the rest of the search
1649 :
1650 :			SearchData Data;
1651 :			int32_t iMinSAD;
1652 :			VECTOR currentMV[3];
1653 :	syskin	658	VECTOR currentQMV[3];
1654 :	h	545	Data.iEdgedWidth = pParam->edged_width;
1655 :	syskin	658	Data.currentMV = currentMV; Data.currentQMV = currentQMV;
1656 :	h	545	Data.iMinSAD = &iMinSAD;
1657 :	syskin	601	Data.lambda16 = lambda_vec16[frame->quant];
1658 :	syskin	658	Data.qpel = pParam->m_quarterpel;
1659 :	syskin	663	Data.rounding = 0;
1660 :	h	545
1661 :	syskin	658	if((qimage = (uint8_t ) malloc(32 pParam->edged_width)) == NULL)
1662 :			return; // allocate some mem for qpel interpolated blocks
1663 :			// somehow this is dirty since I think we shouldn't use malloc outside
1664 :			// encoder_create() - so please fix me!
1665 :			Data.RefQ = qimage;
1666 :
1667 :	chl	530	// note: i==horizontal, j==vertical
1668 :			for (j = 0; j < pParam->mb_height; j++) {
1669 :	chl	96
1670 :	chl	530	f_predMV = b_predMV = zeroMV; /* prediction is reset at left boundary */
1671 :	edgomez	195
1672 :	chl	530	for (i = 0; i < pParam->mb_width; i++) {
1673 :			MACROBLOCK * const pMB = frame->mbs + i + j * pParam->mb_width;
1674 :			const MACROBLOCK * const b_mb = b_mbs + i + j * pParam->mb_width;
1675 :	edgomez	195
1676 :	chl	619	/* special case, if collocated block is SKIPed in P-VOP: encoding is forward (0,0), cpb=0 without further ado */
1677 :	syskin	644	if (b_reference->coding_type != S_VOP)
1678 :			if (b_mb->mode == MODE_NOT_CODED) {
1679 :			pMB->mode = MODE_NOT_CODED;
1680 :			continue;
1681 :			}
1682 :	chl	96
1683 :	h	545	Data.Cur = frame->image.y + (j * Data.iEdgedWidth + i) * 16;
1684 :	syskin	601	pMB->quant = frame->quant;
1685 :	syskin	628
1686 :	chl	530	/* direct search comes first, because it (1) checks for SKIP-mode
1687 :			and (2) sets very good predictions for forward and backward search */
1688 :	Isibaar	539	skip_sad = SearchDirect(f_ref, f_refH->y, f_refV->y, f_refHV->y,
1689 :			b_ref, b_refH->y, b_refV->y, b_refHV->y,
1690 :	chl	530	&frame->image,
1691 :			i, j,
1692 :			frame->motion_flags,
1693 :			TRB, TRD,
1694 :			pParam,
1695 :			pMB, b_mb,
1696 :	h	545	&best_sad,
1697 :			&Data);
1698 :	chl	96
1699 :	Isibaar	539	if (pMB->mode == MODE_DIRECT_NONE_MV) { n_count++; continue; }
1700 :	syskin	658
1701 :	chl	530	// forward search
1702 :			SearchBF(f_ref->y, f_refH->y, f_refV->y, f_refHV->y,
1703 :			&frame->image, i, j,
1704 :			frame->motion_flags,
1705 :	h	545	frame->fcode, pParam,
1706 :	chl	530	pMB, &f_predMV, &best_sad,
1707 :	h	545	MODE_FORWARD, &Data);
1708 :	chl	96
1709 :	chl	530	// backward search
1710 :			SearchBF(b_ref->y, b_refH->y, b_refV->y, b_refHV->y,
1711 :			&frame->image, i, j,
1712 :			frame->motion_flags,
1713 :	h	545	frame->bcode, pParam,
1714 :	chl	530	pMB, &b_predMV, &best_sad,
1715 :	h	545	MODE_BACKWARD, &Data);
1716 :	chl	96
1717 :	chl	530	// interpolate search comes last, because it uses data from forward and backward as prediction
1718 :	syskin	662
1719 :	chl	530	SearchInterpolate(f_ref->y, f_refH->y, f_refV->y, f_refHV->y,
1720 :			b_ref->y, b_refH->y, b_refV->y, b_refHV->y,
1721 :			&frame->image,
1722 :			i, j,
1723 :			frame->fcode, frame->bcode,
1724 :			frame->motion_flags,
1725 :	h	545	pParam,
1726 :	chl	530	&f_predMV, &b_predMV,
1727 :	h	545	pMB, &best_sad,
1728 :			&Data);
1729 :	syskin	662
1730 :	chl	530	switch (pMB->mode) {
1731 :			case MODE_FORWARD:
1732 :			f_count++;
1733 :	syskin	658	if (pParam->m_quarterpel) f_predMV = pMB->qmvs[0];
1734 :			else f_predMV = pMB->mvs[0];
1735 :	chl	530	break;
1736 :			case MODE_BACKWARD:
1737 :			b_count++;
1738 :	syskin	658	if (pParam->m_quarterpel) b_predMV = pMB->b_qmvs[0];
1739 :			else b_predMV = pMB->b_mvs[0];
1740 :	chl	530	break;
1741 :			case MODE_INTERPOLATE:
1742 :			i_count++;
1743 :	syskin	658	if (pParam->m_quarterpel) {
1744 :			f_predMV = pMB->qmvs[0];
1745 :			b_predMV = pMB->b_qmvs[0];
1746 :			} else {
1747 :			f_predMV = pMB->mvs[0];
1748 :			b_predMV = pMB->b_mvs[0];
1749 :			}
1750 :	chl	530	break;
1751 :			case MODE_DIRECT:
1752 :			case MODE_DIRECT_NO4V:
1753 :			d_count++;
1754 :			break;
1755 :			default:
1756 :			break;
1757 :	chl	96	}
1758 :			}
1759 :			}
1760 :	syskin	658	free(qimage);
1761 :	chl	96	}
1762 :
1763 :	chl	530	/* Hinted ME starts here */
1764 :	chl	96
1765 :	syskin	594	static void
1766 :	syskin	628	SearchPhinted ( const IMAGE * const pRef,
1767 :	chl	289	const uint8_t * const pRefH,
1768 :			const uint8_t * const pRefV,
1769 :			const uint8_t * const pRefHV,
1770 :			const IMAGE * const pCur,
1771 :			const int x,
1772 :			const int y,
1773 :			const uint32_t MotionFlags,
1774 :			const uint32_t iQuant,
1775 :			const MBParam * const pParam,
1776 :			const MACROBLOCK * const pMBs,
1777 :	chl	530	int inter4v,
1778 :	h	545	MACROBLOCK * const pMB,
1779 :	edgomez	568	SearchData * const Data)
1780 :	chl	289	{
1781 :	chl	530
1782 :	edgomez	568	int i, t;
1783 :	chl	530	MainSearchFunc * MainSearchPtr;
1784 :	suxen_drol	118
1785 :	h	545	get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16,
1786 :	Isibaar	580	pParam->width, pParam->height, Data->iFcode, pParam->m_quarterpel);
1787 :	suxen_drol	118
1788 :	syskin	628	Data->Cur = pCur->y + (x + y * Data->iEdgedWidth) * 16;
1789 :			Data->CurV = pCur->v + (x + y * (Data->iEdgedWidth/2)) * 8;
1790 :			Data->CurU = pCur->u + (x + y * (Data->iEdgedWidth/2)) * 8;
1791 :	Isibaar	600
1792 :	syskin	628	Data->Ref = pRef->y + (x + Data->iEdgedWidthy) 16;
1793 :			Data->RefH = pRefH + (x + Data->iEdgedWidthy) 16;
1794 :			Data->RefV = pRefV + (x + Data->iEdgedWidthy) 16;
1795 :			Data->RefHV = pRefHV + (x + Data->iEdgedWidthy) 16;
1796 :			Data->RefCV = pRef->v + (x + y * (Data->iEdgedWidth/2)) * 8;
1797 :			Data->RefCU = pRef->u + (x + y * (Data->iEdgedWidth/2)) * 8;
1798 :	syskin	663	Data->qpel_precision = 0;
1799 :	syskin	628
1800 :	chl	530	if (!(MotionFlags & PMV_HALFPEL16)) {
1801 :	h	545	Data->min_dx = EVEN(Data->min_dx);
1802 :			Data->max_dx = EVEN(Data->max_dx);
1803 :			Data->min_dy = EVEN(Data->min_dy);
1804 :			Data->max_dy = EVEN(Data->max_dy);
1805 :	chl	530	}
1806 :	syskin	663	if (pParam->m_quarterpel) Data->predMV = get_qpmv2(pMBs, pParam->mb_width, 0, x, y, 0);
1807 :			else Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0);
1808 :	chl	289
1809 :	h	545	for(i = 0; i < 5; i++) Data->iMinSAD[i] = MV_MAX_ERROR;
1810 :	chl	289
1811 :	chl	530	if (pMB->dquant != NO_CHANGE) inter4v = 0;
1812 :	chl	289
1813 :	syskin	663	if (inter4v \|\| Data->chroma) CheckCandidate = CheckCandidate16;
1814 :	syskin	628	else CheckCandidate = CheckCandidate16no4v;
1815 :	chl	289
1816 :	chl	530	pMB->mvs[0].x = EVEN(pMB->mvs[0].x);
1817 :			pMB->mvs[0].y = EVEN(pMB->mvs[0].y);
1818 :	h	545	if (pMB->mvs[0].x > Data->max_dx) pMB->mvs[0].x = Data->max_dx; // this is in case iFcode changed
1819 :			if (pMB->mvs[0].x < Data->min_dx) pMB->mvs[0].x = Data->min_dx;
1820 :			if (pMB->mvs[0].y > Data->max_dy) pMB->mvs[0].y = Data->max_dy;
1821 :			if (pMB->mvs[0].y < Data->min_dy) pMB->mvs[0].y = Data->min_dy;
1822 :	chl	370
1823 :	edgomez	568	(*CheckCandidate)(pMB->mvs[0].x, pMB->mvs[0].y, 0, &t, Data);
1824 :	chl	289
1825 :	chl	530	if (pMB->mode == MODE_INTER4V)
1826 :			for (i = 1; i < 4; i++) { // all four vectors will be used as four predictions for 16x16 search
1827 :			pMB->mvs[i].x = EVEN(pMB->mvs[i].x);
1828 :			pMB->mvs[i].y = EVEN(pMB->mvs[i].y);
1829 :			if (!(make_mask(pMB->mvs, i)))
1830 :	edgomez	568	(*CheckCandidate)(pMB->mvs[i].x, pMB->mvs[i].y, 0, &t, Data);
1831 :	chl	289	}
1832 :
1833 :			if (MotionFlags & PMV_USESQUARES16)
1834 :	chl	530	MainSearchPtr = SquareSearch;
1835 :	chl	289	else if (MotionFlags & PMV_ADVANCEDDIAMOND16)
1836 :	chl	530	MainSearchPtr = AdvDiamondSearch;
1837 :			else MainSearchPtr = DiamondSearch;
1838 :	chl	289
1839 :	h	545	(*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, 255);
1840 :	chl	289
1841 :	syskin	663	if (MotionFlags & PMV_HALFPELREFINE16) SubpelRefine(Data);
1842 :	chl	289
1843 :	syskin	594	for(i = 0; i < 5; i++) {
1844 :			Data->currentQMV[i].x = 2 * Data->currentMV[i].x; // initialize qpel vectors
1845 :			Data->currentQMV[i].y = 2 * Data->currentMV[i].y;
1846 :			}
1847 :	chl	289
1848 :	syskin	594	if((pParam->m_quarterpel) && (MotionFlags & PMV_QUARTERPELREFINE16)) {
1849 :	Isibaar	606	get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16,
1850 :			pParam->width, pParam->height, Data->iFcode, 0);
1851 :	syskin	663	Data->qpel_precision = 1;
1852 :			SubpelRefine(Data);
1853 :	syskin	594	}
1854 :
1855 :			if (inter4v) {
1856 :			SearchData Data8;
1857 :			Data8.iFcode = Data->iFcode;
1858 :	Isibaar	606	Data8.lambda8 = Data->lambda8;
1859 :	syskin	594	Data8.iEdgedWidth = Data->iEdgedWidth;
1860 :	Isibaar	606	Data8.RefQ = Data->RefQ;
1861 :	syskin	628	Data8.qpel = Data->qpel;
1862 :			Search8(Data, 2x, 2y, MotionFlags, pParam, pMB, pMBs, 0, &Data8);
1863 :			Search8(Data, 2x + 1, 2y, MotionFlags, pParam, pMB, pMBs, 1, &Data8);
1864 :			Search8(Data, 2x, 2y + 1, MotionFlags, pParam, pMB, pMBs, 2, &Data8);
1865 :			Search8(Data, 2x + 1, 2y + 1, MotionFlags, pParam, pMB, pMBs, 3, &Data8);
1866 :
1867 :			if (Data->chroma) {
1868 :	syskin	663	int sumx, sumy, dx, dy;
1869 :	syskin	628
1870 :	syskin	663	if(pParam->m_quarterpel) {
1871 :			sumx= pMB->qmvs[0].x/2 + pMB->qmvs[1].x/2 + pMB->qmvs[2].x/2 + pMB->qmvs[3].x/2;
1872 :			sumy = pMB->qmvs[0].y/2 + pMB->qmvs[1].y/2 + pMB->qmvs[2].y/2 + pMB->qmvs[3].y/2;
1873 :			} else {
1874 :			sumx = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x;
1875 :			sumy = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y;
1876 :			}
1877 :			dx = (sumx >> 3) + roundtab_76[sumx & 0xf];
1878 :			dy = (sumy >> 3) + roundtab_76[sumy & 0xf];
1879 :
1880 :	syskin	628	Data->iMinSAD[1] += ChromaSAD(dx, dy, Data);
1881 :			}
1882 :	syskin	594	}
1883 :
1884 :	chl	530	if (!(inter4v) \|\|
1885 :	h	545	(Data->iMinSAD[0] < Data->iMinSAD[1] + Data->iMinSAD[2] + Data->iMinSAD[3] +
1886 :			Data->iMinSAD[4] + IMV16X16 * (int32_t)iQuant )) {
1887 :	chl	530	// INTER MODE
1888 :			pMB->mode = MODE_INTER;
1889 :	Isibaar	539	pMB->mvs[0] = pMB->mvs[1]
1890 :	h	545	= pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0];
1891 :	chl	289
1892 :	Isibaar	606	pMB->qmvs[0] = pMB->qmvs[1]
1893 :			= pMB->qmvs[2] = pMB->qmvs[3] = Data->currentQMV[0];
1894 :
1895 :	chl	530	pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] =
1896 :	h	545	pMB->sad8[2] = pMB->sad8[3] = Data->iMinSAD[0];
1897 :	chl	289
1898 :	Isibaar	606	if(pParam->m_quarterpel) {
1899 :	syskin	663	pMB->pmvs[0].x = Data->currentQMV[0].x - Data->predMV.x;
1900 :			pMB->pmvs[0].y = Data->currentQMV[0].y - Data->predMV.y;
1901 :	syskin	628	} else {
1902 :	Isibaar	606	pMB->pmvs[0].x = Data->currentMV[0].x - Data->predMV.x;
1903 :			pMB->pmvs[0].y = Data->currentMV[0].y - Data->predMV.y;
1904 :			}
1905 :	chl	530	} else {
1906 :	syskin	628	// INTER4V MODE; all other things are already set in Search8
1907 :	chl	530	pMB->mode = MODE_INTER4V;
1908 :	h	545	pMB->sad16 = Data->iMinSAD[1] + Data->iMinSAD[2] + Data->iMinSAD[3]
1909 :			+ Data->iMinSAD[4] + IMV16X16 * iQuant;
1910 :	chl	289	}
1911 :
1912 :			}
1913 :
1914 :	edgomez	195	void
1915 :	chl	530	MotionEstimationHinted( MBParam * const pParam,
1916 :			FRAMEINFO * const current,
1917 :			FRAMEINFO * const reference,
1918 :			const IMAGE * const pRefH,
1919 :			const IMAGE * const pRefV,
1920 :			const IMAGE * const pRefHV)
1921 :	suxen_drol	118	{
1922 :	chl	530	MACROBLOCK *const pMBs = current->mbs;
1923 :			const IMAGE *const pCurrent = &current->image;
1924 :			const IMAGE *const pRef = &reference->image;
1925 :	suxen_drol	118
1926 :	chl	530	uint32_t x, y;
1927 :	syskin	601	uint8_t * qimage;
1928 :	syskin	574	int32_t temp[5], quant = current->quant;
1929 :	h	545	int32_t iMinSAD[5];
1930 :	Isibaar	606	VECTOR currentMV[5], currentQMV[5];
1931 :	h	545	SearchData Data;
1932 :			Data.iEdgedWidth = pParam->edged_width;
1933 :			Data.currentMV = currentMV;
1934 :	Isibaar	606	Data.currentQMV = currentQMV;
1935 :	h	545	Data.iMinSAD = iMinSAD;
1936 :			Data.temp = temp;
1937 :			Data.iFcode = current->fcode;
1938 :	syskin	594	Data.rounding = pParam->m_rounding_type;
1939 :	syskin	628	Data.qpel = pParam->m_quarterpel;
1940 :			Data.chroma = current->global_flags & XVID_ME_COLOUR;
1941 :	h	545
1942 :	syskin	594	if((qimage = (uint8_t ) malloc(32 pParam->edged_width)) == NULL)
1943 :			return; // allocate some mem for qpel interpolated blocks
1944 :			// somehow this is dirty since I think we shouldn't use malloc outside
1945 :			// encoder_create() - so please fix me!
1946 :
1947 :	syskin	601	Data.RefQ = qimage;
1948 :
1949 :	chl	530	if (sadInit) (*sadInit) ();
1950 :	suxen_drol	118
1951 :	chl	530	for (y = 0; y < pParam->mb_height; y++) {
1952 :			for (x = 0; x < pParam->mb_width; x++) {
1953 :	chl	312
1954 :	chl	530	MACROBLOCK pMB = &pMBs[x + y pParam->mb_width];
1955 :	suxen_drol	118
1956 :	chl	530	//intra mode is copied from the first pass. At least for the time being
1957 :			if ((pMB->mode == MODE_INTRA) \|\| (pMB->mode == MODE_NOT_CODED) ) continue;
1958 :	chl	346
1959 :	chl	530	if (!(current->global_flags & XVID_LUMIMASKING)) {
1960 :			pMB->dquant = NO_CHANGE;
1961 :			pMB->quant = current->quant; }
1962 :	Isibaar	606	else {
1963 :	syskin	574	if (pMB->dquant != NO_CHANGE) {
1964 :			quant += DQtab[pMB->dquant];
1965 :			if (quant > 31) quant = 31;
1966 :			else if (quant < 1) quant = 1;
1967 :			}
1968 :	Isibaar	606	pMB->quant = quant;
1969 :			}
1970 :	chl	341
1971 :	syskin	628	SearchPhinted(pRef, pRefH->y, pRefV->y, pRefHV->y, pCurrent, x,
1972 :	Isibaar	539	y, current->motion_flags, pMB->quant,
1973 :	h	545	pParam, pMBs, current->global_flags & XVID_INTER4V, pMB,
1974 :			&Data);
1975 :	chl	317
1976 :	Isibaar	539	}
1977 :			}
1978 :	syskin	594	free(qimage);
1979 :	Isibaar	539	}
1980 :	suxen_drol	118
1981 :	Isibaar	539	static __inline int
1982 :			MEanalyzeMB ( const uint8_t * const pRef,
1983 :			const uint8_t * const pCur,
1984 :			const int x,
1985 :			const int y,
1986 :			const MBParam * const pParam,
1987 :			const MACROBLOCK * const pMBs,
1988 :	h	545	MACROBLOCK * const pMB,
1989 :			SearchData * const Data)
1990 :	Isibaar	539	{
1991 :	chl	317
1992 :	Isibaar	606	int i = 255, mask;
1993 :	h	545	VECTOR pmv[3];
1994 :	syskin	640	*(Data->iMinSAD) = MV_MAX_ERROR;
1995 :	suxen_drol	118
1996 :	syskin	640	//median is only used as prediction. it doesn't have to be real
1997 :			if (x == 1 && y == 1) Data->predMV.x = Data->predMV.y = 0;
1998 :			else
1999 :			if (x == 1) //left macroblock does not have any vector now
2000 :			Data->predMV = (pMB - pParam->mb_width)->mvs[0]; // top instead of median
2001 :			else if (y == 1) // top macroblock don't have it's vector
2002 :			Data->predMV = (pMB - 1)->mvs[0]; // left instead of median
2003 :			else Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); //else median
2004 :
2005 :	h	545	get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16,
2006 :	Isibaar	580	pParam->width, pParam->height, Data->iFcode, pParam->m_quarterpel);
2007 :	chl	326
2008 :	h	545	Data->Cur = pCur + (x + y * pParam->edged_width) * 16;
2009 :			Data->Ref = pRef + (x + y * pParam->edged_width) * 16;
2010 :	Isibaar	539
2011 :			pmv[1].x = EVEN(pMB->mvs[0].x);
2012 :			pmv[1].y = EVEN(pMB->mvs[0].y);
2013 :	syskin	640	pmv[2].x = EVEN(Data->predMV.x);
2014 :			pmv[2].y = EVEN(Data->predMV.y);
2015 :			pmv[0].x = pmv[0].y = 0;
2016 :	chl	326
2017 :	syskin	640	(*CheckCandidate)(0, 0, 255, &i, Data);
2018 :
2019 :			//early skip for 0,0
2020 :			if (Data->iMinSAD < MAX_SAD00_FOR_SKIP 4) {
2021 :			pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0];
2022 :			pMB->mode = MODE_NOT_CODED;
2023 :			return 0;
2024 :			}
2025 :
2026 :	Isibaar	539	if (!(mask = make_mask(pmv, 1)))
2027 :	syskin	640	(*CheckCandidate)(pmv[1].x, pmv[1].y, mask, &i, Data);
2028 :	Isibaar	539	if (!(mask = make_mask(pmv, 2)))
2029 :	syskin	640	(*CheckCandidate)(pmv[2].x, pmv[2].y, mask, &i, Data);
2030 :	Isibaar	539
2031 :	syskin	640	if (Data->iMinSAD > MAX_SAD00_FOR_SKIP 4) // diamond only if needed
2032 :			DiamondSearch(Data->currentMV->x, Data->currentMV->y, Data, i);
2033 :	Isibaar	539
2034 :	syskin	640	pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0];
2035 :	syskin	628	pMB->mode = MODE_INTER;
2036 :	h	545	return *(Data->iMinSAD);
2037 :	Isibaar	539	}
2038 :
2039 :			#define INTRA_THRESH 1350
2040 :			#define INTER_THRESH 900
2041 :
2042 :	syskin	644
2043 :	Isibaar	539	int
2044 :			MEanalysis( const IMAGE * const pRef,
2045 :	syskin	644	FRAMEINFO * const Current,
2046 :	Isibaar	539	MBParam * const pParam,
2047 :	syskin	644	int maxIntra, //maximum number if non-I frames
2048 :			int intraCount, //number of non-I frames after last I frame; 0 if we force P/B frame
2049 :			int bCount) // number if B frames in a row
2050 :	Isibaar	539	{
2051 :			uint32_t x, y, intra = 0;
2052 :			int sSAD = 0;
2053 :	syskin	644	MACROBLOCK * const pMBs = Current->mbs;
2054 :			const IMAGE * const pCurrent = &Current->image;
2055 :			int IntraThresh = INTRA_THRESH, InterThresh = INTER_THRESH;
2056 :	h	545
2057 :			VECTOR currentMV;
2058 :			int32_t iMinSAD;
2059 :			SearchData Data;
2060 :			Data.iEdgedWidth = pParam->edged_width;
2061 :			Data.currentMV = &currentMV;
2062 :			Data.iMinSAD = &iMinSAD;
2063 :	syskin	644	Data.iFcode = Current->fcode;
2064 :	syskin	640	CheckCandidate = CheckCandidate16no4vI;
2065 :	h	545
2066 :	syskin	658	if (intraCount < 10) // we're right after an I frame
2067 :			IntraThresh += 4 * (intraCount - 10) * (intraCount - 10);
2068 :	syskin	644	else
2069 :			if ( 5*(maxIntra - intraCount) < maxIntra) // we're close to maximum. 2 sec when max is 10 sec
2070 :			IntraThresh -= (IntraThresh * (maxIntra - 5*(maxIntra - intraCount)))/maxIntra;
2071 :
2072 :
2073 :			InterThresh += 300 * (1 - bCount);
2074 :			if (InterThresh < 200) InterThresh = 200;
2075 :
2076 :	Isibaar	539	if (sadInit) (*sadInit) ();
2077 :
2078 :	syskin	601	for (y = 1; y < pParam->mb_height-1; y++) {
2079 :			for (x = 1; x < pParam->mb_width-1; x++) {
2080 :	Isibaar	539	int sad, dev;
2081 :			MACROBLOCK pMB = &pMBs[x + y pParam->mb_width];
2082 :
2083 :			sad = MEanalyzeMB(pRef->y, pCurrent->y, x, y,
2084 :	h	545	pParam, pMBs, pMB, &Data);
2085 :	Isibaar	539
2086 :	syskin	644	if (sad > IntraThresh) {
2087 :	syskin	601	dev = dev16(pCurrent->y + (x + y * pParam->edged_width) * 16,
2088 :			pParam->edged_width);
2089 :	syskin	644	if (dev + IntraThresh < sad) {
2090 :			pMB->mode = MODE_INTRA;
2091 :			if (++intra > (pParam->mb_height-2)*(pParam->mb_width-2)/2) return 2; // I frame
2092 :	Isibaar	539	}
2093 :	syskin	644	}
2094 :	syskin	601	sSAD += sad;
2095 :	suxen_drol	118	}
2096 :			}
2097 :	Isibaar	539	sSAD /= (pParam->mb_height-2)*(pParam->mb_width-2);
2098 :	syskin	644	if (sSAD > InterThresh ) return 1; //P frame
2099 :	Isibaar	539	emms();
2100 :			return 0; // B frame
2101 :
2102 :	suxen_drol	118	}
2103 :	syskin	576
2104 :			int
2105 :			FindFcode( const MBParam * const pParam,
2106 :			const FRAMEINFO * const current)
2107 :			{
2108 :			uint32_t x, y;
2109 :			int max = 0, min = 0, i;
2110 :
2111 :			for (y = 0; y < pParam->mb_height; y++) {
2112 :			for (x = 0; x < pParam->mb_width; x++) {
2113 :
2114 :			MACROBLOCK pMB = &current->mbs[x + y pParam->mb_width];
2115 :			for(i = 0; i < (pMB->mode == MODE_INTER4V ? 4:1); i++) {
2116 :			if (pMB->mvs[i].x > max) max = pMB->mvs[i].x;
2117 :			if (pMB->mvs[i].y > max) max = pMB->mvs[i].y;
2118 :
2119 :			if (pMB->mvs[i].x < min) min = pMB->mvs[i].x;
2120 :			if (pMB->mvs[i].y < min) min = pMB->mvs[i].y;
2121 :			}
2122 :			}
2123 :			}
2124 :
2125 :			min = -min;
2126 :			max += 1;
2127 :			if (min > max) max = min;
2128 :	Isibaar	606	if (pParam->m_quarterpel) max *= 2;
2129 :	syskin	576
2130 :			for (i = 1; (max > 32 << (i - 1)); i++);
2131 :			return i;
2132 :			}
2133 :	chl	619
2134 :	syskin	628	static void
2135 :			CheckGMC(int x, int y, const int dir, int * iDirection,
2136 :			const MACROBLOCK * const pMBs, uint32_t * bestcount, VECTOR * GMC,
2137 :			const MBParam * const pParam)
2138 :			{
2139 :			uint32_t mx, my, a, count = 0;
2140 :	chl	619
2141 :	syskin	628	for (my = 1; my < pParam->mb_height-1; my++)
2142 :			for (mx = 1; mx < pParam->mb_width-1; mx++) {
2143 :			VECTOR mv;
2144 :			const MACROBLOCK pMB = &pMBs[mx + my pParam->mb_width];
2145 :			if (pMB->mode == MODE_INTRA \|\| pMB->mode == MODE_NOT_CODED) continue;
2146 :			mv = pMB->mvs[0];
2147 :			a = ABS(mv.x - x) + ABS(mv.y - y);
2148 :			if (a < 6) count += 6 - a;
2149 :			}
2150 :	chl	619
2151 :	syskin	628	if (count > *bestcount) {
2152 :			*bestcount = count;
2153 :			*iDirection = dir;
2154 :			GMC->x = x; GMC->y = y;
2155 :			}
2156 :			}
2157 :
2158 :
2159 :	chl	619	static VECTOR
2160 :			GlobalMotionEst(const MACROBLOCK * const pMBs, const MBParam * const pParam, const uint32_t iFcode)
2161 :			{
2162 :
2163 :	syskin	628	uint32_t count, bestcount = 0;
2164 :	chl	619	int x, y;
2165 :	syskin	628	VECTOR gmc = {0,0};
2166 :	chl	619	int step, min_x, max_x, min_y, max_y;
2167 :			uint32_t mx, my;
2168 :	syskin	628	int iDirection, bDirection;
2169 :	chl	619
2170 :			min_x = min_y = -32<<iFcode;
2171 :			max_x = max_y = 32<<iFcode;
2172 :
2173 :	syskin	628	//step1: let's find a rough camera panning
2174 :	chl	619	for (step = 32; step >= 2; step /= 2) {
2175 :			bestcount = 0;
2176 :			for (y = min_y; y <= max_y; y += step)
2177 :			for (x = min_x ; x <= max_x; x += step) {
2178 :			count = 0;
2179 :			//for all macroblocks
2180 :			for (my = 1; my < pParam->mb_height-1; my++)
2181 :			for (mx = 1; mx < pParam->mb_width-1; mx++) {
2182 :			const MACROBLOCK pMB = &pMBs[mx + my pParam->mb_width];
2183 :			VECTOR mv;
2184 :
2185 :			if (pMB->mode == MODE_INTRA \|\| pMB->mode == MODE_NOT_CODED)
2186 :			continue;
2187 :
2188 :			mv = pMB->mvs[0];
2189 :			if ( ABS(mv.x - x) <= step && ABS(mv.y - y) <= step ) /* GMC translation is always halfpel-res */
2190 :			count++;
2191 :			}
2192 :			if (count >= bestcount) { bestcount = count; gmc.x = x; gmc.y = y; }
2193 :			}
2194 :			min_x = gmc.x - step;
2195 :			max_x = gmc.x + step;
2196 :			min_y = gmc.y - step;
2197 :			max_y = gmc.y + step;
2198 :
2199 :			}
2200 :	syskin	628
2201 :			if (bestcount < (pParam->mb_height-2)*(pParam->mb_width-2)/10)
2202 :			gmc.x = gmc.y = 0; //no camara pan, no GMC
2203 :
2204 :			// step2: let's refine camera panning using gradiend-descent approach.
2205 :			// TODO: more warping points may be evaluated here (like in interpolate mode search - two vectors in one diamond)
2206 :			bestcount = 0;
2207 :			CheckGMC(gmc.x, gmc.y, 255, &iDirection, pMBs, &bestcount, &gmc, pParam);
2208 :			do {
2209 :			x = gmc.x; y = gmc.y;
2210 :			bDirection = iDirection; iDirection = 0;
2211 :			if (bDirection & 1) CheckGMC(x - 1, y, 1+4+8, &iDirection, pMBs, &bestcount, &gmc, pParam);
2212 :			if (bDirection & 2) CheckGMC(x + 1, y, 2+4+8, &iDirection, pMBs, &bestcount, &gmc, pParam);
2213 :			if (bDirection & 4) CheckGMC(x, y - 1, 1+2+4, &iDirection, pMBs, &bestcount, &gmc, pParam);
2214 :			if (bDirection & 8) CheckGMC(x, y + 1, 1+2+8, &iDirection, pMBs, &bestcount, &gmc, pParam);
2215 :
2216 :			} while (iDirection);
2217 :
2218 :	chl	619	if (pParam->m_quarterpel) {
2219 :			gmc.x *= 2;
2220 :			gmc.y = 2; / we store the halfpel value as pseudo-qpel to make comparison easier */
2221 :			}
2222 :
2223 :			return gmc;
2224 :			}

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