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 :	Isibaar	580	#define GET_REFERENCE(X, Y, REF) { \
56 :	chl	596	switch ( (((X)&1)<<1) + ((Y)&1) ) \
57 :	Isibaar	580	{ \
58 :	syskin	601	case 0 : REF = (uint8_t )data->Ref + (X)/2 + ((Y)/2)(data->iEdgedWidth); break; \
59 :			case 1 : REF = (uint8_t )data->RefV + (X)/2 + (((Y)-1)/2)(data->iEdgedWidth); break; \
60 :			case 2 : REF = (uint8_t )data->RefH + ((X)-1)/2 + ((Y)/2)(data->iEdgedWidth); break; \
61 :			default : REF = (uint8_t )data->RefHV + ((X)-1)/2 + (((Y)-1)/2)(data->iEdgedWidth); break; \
62 :	Isibaar	580	} \
63 :			}
64 :
65 :	chl	530	#define iDiamondSize 2
66 :	chl	141
67 :	chl	530	static __inline int
68 :			d_mv_bits(int x, int y, const uint32_t iFcode)
69 :	Isibaar	3	{
70 :	chl	530	int xb, yb;
71 :
72 :			if (x == 0) xb = 1;
73 :			else {
74 :			if (x < 0) x = -x;
75 :			x += (1 << (iFcode - 1)) - 1;
76 :			x >>= (iFcode - 1);
77 :			if (x > 32) x = 32;
78 :			xb = mvtab[x] + iFcode;
79 :	edgomez	195	}
80 :	Isibaar	3
81 :	chl	530	if (y == 0) yb = 1;
82 :			else {
83 :			if (y < 0) y = -y;
84 :			y += (1 << (iFcode - 1)) - 1;
85 :			y >>= (iFcode - 1);
86 :			if (y > 32) y = 32;
87 :			yb = mvtab[y] + iFcode;
88 :			}
89 :			return xb + yb;
90 :	Isibaar	3	}
91 :
92 :
93 :	Isibaar	539	/* CHECK_CANDIATE FUNCTIONS START */
94 :
95 :	chl	530	static void
96 :			CheckCandidate16(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
97 :	Isibaar	3	{
98 :	chl	530	int t;
99 :			const uint8_t * Reference;
100 :	Isibaar	3
101 :	chl	530	if (( x > data->max_dx) \|\| ( x < data->min_dx)
102 :			\|\| ( y > data->max_dy) \|\| (y < data->min_dy)) return;
103 :	suxen_drol	136
104 :	chl	530	switch ( ((x&1)<<1) + (y&1) ) {
105 :			case 0 : Reference = data->Ref + x/2 + (y/2)*(data->iEdgedWidth); break;
106 :			case 1 : Reference = data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); break;
107 :			case 2 : Reference = data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); break;
108 :			default : Reference = data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); break;
109 :			}
110 :	chl	259
111 :	syskin	594	data->temp[0] = sad16v(data->Cur, Reference, data->iEdgedWidth, data->temp + 1);
112 :	Isibaar	3
113 :	syskin	601	t = d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode);
114 :			data->temp[0] += data->lambda16 * t;
115 :			data->temp[1] += data->lambda8 * t;
116 :	Isibaar	600
117 :	chl	530	if (data->temp[0] < data->iMinSAD[0]) {
118 :			data->iMinSAD[0] = data->temp[0];
119 :			data->currentMV[0].x = x; data->currentMV[0].y = y;
120 :			*dir = Direction; }
121 :	chl	184
122 :	chl	530	if (data->temp[1] < data->iMinSAD[1]) {
123 :			data->iMinSAD[1] = data->temp[1]; data->currentMV[1].x = x; data->currentMV[1].y = y; }
124 :			if (data->temp[2] < data->iMinSAD[2]) {
125 :			data->iMinSAD[2] = data->temp[2]; data->currentMV[2].x = x; data->currentMV[2].y = y; }
126 :			if (data->temp[3] < data->iMinSAD[3]) {
127 :			data->iMinSAD[3] = data->temp[3]; data->currentMV[3].x = x; data->currentMV[3].y = y; }
128 :			if (data->temp[4] < data->iMinSAD[4]) {
129 :			data->iMinSAD[4] = data->temp[4]; data->currentMV[4].x = x; data->currentMV[4].y = y; }
130 :	chl	184
131 :	Isibaar	3	}
132 :
133 :	chl	530	static void
134 :	Isibaar	606	CheckCandidate16Q(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
135 :			{
136 :			//this function expects X and Y in halfpel positions, but assumes that qpel positions are our goal
137 :			int t;
138 :			const uint8_t * Reference;
139 :
140 :			if (( x > data->max_dx) \|\| ( x < data->min_dx)
141 :			\|\| ( y > data->max_dy) \|\| (y < data->min_dy)) return;
142 :
143 :			switch ( ((x&1)<<1) + (y&1) ) {
144 :			case 0 : Reference = data->Ref + x/2 + (y/2)*(data->iEdgedWidth); break;
145 :			case 1 : Reference = data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); break;
146 :			case 2 : Reference = data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); break;
147 :			default : Reference = data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); break;
148 :			}
149 :
150 :			data->temp[0] = sad16v(data->Cur, Reference, data->iEdgedWidth, data->temp + 1);
151 :
152 :			t = d_mv_bits(2 * x - data->predQMV.x, 2 * y - data->predQMV.y, data->iFcode);
153 :			data->temp[0] += data->lambda16 * t;
154 :			data->temp[1] += data->lambda8 * t;
155 :
156 :			if (data->temp[0] < data->iMinSAD[0]) {
157 :			data->iMinSAD[0] = data->temp[0];
158 :			data->currentMV[0].x = x; data->currentMV[0].y = y;
159 :			*dir = Direction; }
160 :
161 :			if (data->temp[1] < data->iMinSAD[1]) {
162 :			data->iMinSAD[1] = data->temp[1]; data->currentMV[1].x = x; data->currentMV[1].y = y; }
163 :			if (data->temp[2] < data->iMinSAD[2]) {
164 :			data->iMinSAD[2] = data->temp[2]; data->currentMV[2].x = x; data->currentMV[2].y = y; }
165 :			if (data->temp[3] < data->iMinSAD[3]) {
166 :			data->iMinSAD[3] = data->temp[3]; data->currentMV[3].x = x; data->currentMV[3].y = y; }
167 :			if (data->temp[4] < data->iMinSAD[4]) {
168 :			data->iMinSAD[4] = data->temp[4]; data->currentMV[4].x = x; data->currentMV[4].y = y; }
169 :
170 :			}
171 :
172 :			static void
173 :	chl	530	CheckCandidate16no4v(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
174 :			{
175 :			int32_t sad;
176 :			const uint8_t * Reference;
177 :	chl	326
178 :	chl	530	if (( x > data->max_dx) \|\| ( x < data->min_dx)
179 :			\|\| ( y > data->max_dy) \|\| (y < data->min_dy)) return;
180 :	Isibaar	3
181 :	chl	530	switch ( ((x&1)<<1) + (y&1) )
182 :			{
183 :			case 0 : Reference = data->Ref + x/2 + (y/2)*(data->iEdgedWidth); break;
184 :			case 1 : Reference = data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); break;
185 :			case 2 : Reference = data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); break;
186 :			default : Reference = data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); break;
187 :			}
188 :	Isibaar	3
189 :	syskin	601	sad = data->lambda16 * d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode);
190 :	Isibaar	580	sad += sad16(data->Cur, Reference, data->iEdgedWidth, MV_MAX_ERROR);
191 :	Isibaar	3
192 :	chl	530	if (sad < *(data->iMinSAD)) {
193 :			*(data->iMinSAD) = sad;
194 :			data->currentMV[0].x = x; data->currentMV[0].y = y;
195 :			*dir = Direction; }
196 :	Isibaar	3	}
197 :
198 :	chl	530	static void
199 :	Isibaar	580	CheckCandidate16_qpel(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
200 :
201 :			// CheckCandidate16 variant which expects x and y in quarter pixel resolution
202 :			// Important: This is no general usable routine! x and y must be +/-1 (qpel resolution!)
203 :			// around currentMV!
204 :			{
205 :			int t;
206 :	syskin	601	uint8_t * Reference = (uint8_t *)data->RefQ;
207 :	Isibaar	580	const uint8_t ref1, ref2, ref3, ref4;
208 :			VECTOR halfpelMV = *(data->currentMV);
209 :
210 :			int32_t iEdgedWidth = data->iEdgedWidth;
211 :			uint32_t rounding = data->rounding;
212 :
213 :			if (( x > data->max_dx) \|\| ( x < data->min_dx)
214 :			\|\| ( y > data->max_dy) \|\| (y < data->min_dy)) return;
215 :
216 :	Isibaar	606	GET_REFERENCE(halfpelMV.x, halfpelMV.y, ref1); // this refenrence is used in all cases
217 :	Isibaar	580	switch( ((x&1)<<1) + (y&1) )
218 :			{
219 :			case 0: // pure halfpel position - shouldn't happen during a refinement step
220 :	syskin	601	GET_REFERENCE(halfpelMV.x, halfpelMV.y, Reference);
221 :	Isibaar	580	break;
222 :
223 :			case 1: // x halfpel, y qpel - top or bottom during qpel refinement
224 :			GET_REFERENCE(halfpelMV.x, y - halfpelMV.y, ref2);
225 :			interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding);
226 :			interpolate8x8_avg2(Reference+8, ref1+8, ref2+8, iEdgedWidth, rounding);
227 :			interpolate8x8_avg2(Reference+8iEdgedWidth, ref1+8iEdgedWidth, ref2+8*iEdgedWidth, iEdgedWidth, rounding);
228 :			interpolate8x8_avg2(Reference+8iEdgedWidth+8, ref1+8iEdgedWidth+8, ref2+8*iEdgedWidth+8, iEdgedWidth, rounding);
229 :			break;
230 :
231 :			case 2: // x qpel, y halfpel - left or right during qpel refinement
232 :			GET_REFERENCE(x - halfpelMV.x, halfpelMV.y, ref2);
233 :			interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding);
234 :			interpolate8x8_avg2(Reference+8, ref1+8, ref2+8, iEdgedWidth, rounding);
235 :			interpolate8x8_avg2(Reference+8iEdgedWidth, ref1+8iEdgedWidth, ref2+8*iEdgedWidth, iEdgedWidth, rounding);
236 :			interpolate8x8_avg2(Reference+8iEdgedWidth+8, ref1+8iEdgedWidth+8, ref2+8*iEdgedWidth+8, iEdgedWidth, rounding);
237 :			break;
238 :
239 :			default: // x and y in qpel resolution - the "corners" (top left/right and
240 :			// bottom left/right) during qpel refinement
241 :			GET_REFERENCE(halfpelMV.x, y - halfpelMV.y, ref2);
242 :			GET_REFERENCE(x - halfpelMV.x, halfpelMV.y, ref3);
243 :			GET_REFERENCE(x - halfpelMV.x, y - halfpelMV.y, ref4);
244 :
245 :			interpolate8x8_avg4(Reference, ref1, ref2, ref3, ref4, iEdgedWidth, rounding);
246 :			interpolate8x8_avg4(Reference+8, ref1+8, ref2+8, ref3+8, ref4+8, iEdgedWidth, rounding);
247 :			interpolate8x8_avg4(Reference+8iEdgedWidth, ref1+8iEdgedWidth, ref2+8iEdgedWidth, ref3+8iEdgedWidth, ref4+8*iEdgedWidth, iEdgedWidth, rounding);
248 :			interpolate8x8_avg4(Reference+8iEdgedWidth+8, ref1+8iEdgedWidth+8, ref2+8iEdgedWidth+8, ref3+8iEdgedWidth+8, ref4+8*iEdgedWidth+8, iEdgedWidth, rounding);
249 :			break;
250 :			}
251 :
252 :	syskin	594	data->temp[0] = sad16v(data->Cur, Reference, data->iEdgedWidth, data->temp+1);
253 :	Isibaar	580
254 :			t = d_mv_bits(x - data->predQMV.x, y - data->predQMV.y, data->iFcode);
255 :	syskin	601	data->temp[0] += data->lambda16 * t;
256 :			data->temp[1] += data->lambda8 * t;
257 :	Isibaar	580
258 :			if (data->temp[0] < data->iMinSAD[0]) {
259 :			data->iMinSAD[0] = data->temp[0];
260 :			data->currentQMV[0].x = x; data->currentQMV[0].y = y;
261 :	syskin	594	/* dir = Direction;/ }
262 :	Isibaar	580
263 :			if (data->temp[1] < data->iMinSAD[1]) {
264 :			data->iMinSAD[1] = data->temp[1]; data->currentQMV[1].x = x; data->currentQMV[1].y = y; }
265 :			if (data->temp[2] < data->iMinSAD[2]) {
266 :			data->iMinSAD[2] = data->temp[2]; data->currentQMV[2].x = x; data->currentQMV[2].y = y; }
267 :			if (data->temp[3] < data->iMinSAD[3]) {
268 :			data->iMinSAD[3] = data->temp[3]; data->currentQMV[3].x = x; data->currentQMV[3].y = y; }
269 :			if (data->temp[4] < data->iMinSAD[4]) {
270 :			data->iMinSAD[4] = data->temp[4]; data->currentQMV[4].x = x; data->currentQMV[4].y = y; }
271 :			}
272 :
273 :			static void
274 :	Isibaar	539	CheckCandidate16no4vI(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
275 :			{
276 :			int32_t sad;
277 :
278 :			if (( x > data->max_dx) \|\| ( x < data->min_dx)
279 :			\|\| ( y > data->max_dy) \|\| (y < data->min_dy)) return;
280 :
281 :	syskin	601	sad = sad16(data->Cur, data->Ref + x/2 + (y/2)*(data->iEdgedWidth),
282 :	Isibaar	539	data->iEdgedWidth, 256*4096);
283 :
284 :			if (sad < *(data->iMinSAD)) {
285 :			*(data->iMinSAD) = sad;
286 :			data->currentMV[0].x = x; data->currentMV[0].y = y;
287 :			*dir = Direction; }
288 :			}
289 :
290 :
291 :			static void
292 :	chl	530	CheckCandidateInt(const int xf, const int yf, const int Direction, int * const dir, const SearchData * const data)
293 :			{
294 :			int32_t sad;
295 :			const int xb = data->currentMV[1].x;
296 :			const int yb = data->currentMV[1].y;
297 :			const uint8_t ReferenceF, ReferenceB;
298 :	Isibaar	3
299 :	chl	530	if (( xf > data->max_dx) \|\| ( xf < data->min_dx)
300 :			\|\| ( yf > data->max_dy) \|\| (yf < data->min_dy)) return;
301 :	Isibaar	3
302 :	chl	530	switch ( ((xf&1)<<1) + (yf&1) ) {
303 :			case 0 : ReferenceF = data->Ref + xf/2 + (yf/2)*(data->iEdgedWidth); break;
304 :			case 1 : ReferenceF = data->RefV + xf/2 + ((yf-1)/2)*(data->iEdgedWidth); break;
305 :			case 2 : ReferenceF = data->RefH + (xf-1)/2 + (yf/2)*(data->iEdgedWidth); break;
306 :			default : ReferenceF = data->RefHV + (xf-1)/2 + ((yf-1)/2)*(data->iEdgedWidth); break;
307 :			}
308 :	edgomez	195
309 :	chl	530	switch ( ((xb&1)<<1) + (yb&1) ) {
310 :			case 0 : ReferenceB = data->bRef + xb/2 + (yb/2)*(data->iEdgedWidth); break;
311 :			case 1 : ReferenceB = data->bRefV + xb/2 + ((yb-1)/2)*(data->iEdgedWidth); break;
312 :			case 2 : ReferenceB = data->bRefH + (xb-1)/2 + (yb/2)*(data->iEdgedWidth); break;
313 :			default : ReferenceB = data->bRefHV + (xb-1)/2 + ((yb-1)/2)*(data->iEdgedWidth); break;
314 :			}
315 :	Isibaar	3
316 :	syskin	601	sad = data->lambda16 *
317 :	chl	530	( d_mv_bits(xf - data->predMV.x, yf - data->predMV.y, data->iFcode) +
318 :			d_mv_bits(xb - data->bpredMV.x, yb - data->bpredMV.y, data->iFcode) );
319 :	Isibaar	3
320 :	chl	530	sad += sad16bi(data->Cur, ReferenceF, ReferenceB, data->iEdgedWidth);
321 :	Isibaar	3
322 :	chl	530	if (sad < *(data->iMinSAD)) {
323 :			*(data->iMinSAD) = sad;
324 :			data->currentMV->x = xf; data->currentMV->y = yf;
325 :			*dir = Direction; }
326 :	Isibaar	3	}
327 :
328 :	chl	530	static void
329 :			CheckCandidateDirect(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
330 :	Isibaar	3	{
331 :	chl	530	int32_t sad;
332 :			int k;
333 :			const uint8_t *ReferenceF;
334 :			const uint8_t *ReferenceB;
335 :			VECTOR mvs, b_mvs;
336 :	Isibaar	3
337 :	chl	530	if (( x > 31) \|\| ( x < -32) \|\| ( y > 31) \|\| (y < -32)) return;
338 :	Isibaar	3
339 :	syskin	601	sad = data->lambda16 * d_mv_bits(x, y, 1);
340 :	Isibaar	3
341 :	chl	530	for (k = 0; k < 4; k++) {
342 :			mvs.x = data->directmvF[k].x + x;
343 :			b_mvs.x = ((x == 0) ?
344 :			data->directmvB[k].x
345 :			: mvs.x - data->referencemv[k].x);
346 :	Isibaar	3
347 :	chl	530	mvs.y = data->directmvF[k].y + y;
348 :			b_mvs.y = ((y == 0) ?
349 :			data->directmvB[k].y
350 :			: mvs.y - data->referencemv[k].y);
351 :
352 :			if (( mvs.x > data->max_dx ) \|\| ( mvs.x < data->min_dx )
353 :			\|\| ( mvs.y > data->max_dy ) \|\| ( mvs.y < data->min_dy )
354 :			\|\| ( b_mvs.x > data->max_dx ) \|\| ( b_mvs.x < data->min_dx )
355 :			\|\| ( b_mvs.y > data->max_dy ) \|\| ( b_mvs.y < data->min_dy )) return;
356 :	Isibaar	3
357 :	chl	530	switch ( ((mvs.x&1)<<1) + (mvs.y&1) ) {
358 :			case 0 : ReferenceF = data->Ref + mvs.x/2 + (mvs.y/2)*(data->iEdgedWidth); break;
359 :			case 1 : ReferenceF = data->RefV + mvs.x/2 + ((mvs.y-1)/2)*(data->iEdgedWidth); break;
360 :			case 2 : ReferenceF = data->RefH + (mvs.x-1)/2 + (mvs.y/2)*(data->iEdgedWidth); break;
361 :			default : ReferenceF = data->RefHV + (mvs.x-1)/2 + ((mvs.y-1)/2)*(data->iEdgedWidth); break;
362 :			}
363 :	Isibaar	3
364 :	chl	530	switch ( ((b_mvs.x&1)<<1) + (b_mvs.y&1) ) {
365 :			case 0 : ReferenceB = data->bRef + b_mvs.x/2 + (b_mvs.y/2)*(data->iEdgedWidth); break;
366 :			case 1 : ReferenceB = data->bRefV + b_mvs.x/2 + ((b_mvs.y-1)/2)*(data->iEdgedWidth); break;
367 :			case 2 : ReferenceB = data->bRefH + (b_mvs.x-1)/2 + (b_mvs.y/2)*(data->iEdgedWidth); break;
368 :			default : ReferenceB = data->bRefHV + (b_mvs.x-1)/2 + ((b_mvs.y-1)/2)*(data->iEdgedWidth); break;
369 :	chl	344	}
370 :	chl	530
371 :			sad += sad8bi(data->Cur + 8(k&1) + 8(k>>1)*(data->iEdgedWidth),
372 :			ReferenceF + 8(k&1) + 8(k>>1)*(data->iEdgedWidth),
373 :			ReferenceB + 8(k&1) + 8(k>>1)*(data->iEdgedWidth),
374 :			data->iEdgedWidth);
375 :			if (sad > *(data->iMinSAD)) return;
376 :	edgomez	78	}
377 :	chl	530
378 :			if (sad < *(data->iMinSAD)) {
379 :			*(data->iMinSAD) = sad;
380 :			data->currentMV->x = x; data->currentMV->y = y;
381 :			*dir = Direction; }
382 :	Isibaar	3	}
383 :
384 :	chl	530	static void
385 :			CheckCandidateDirectno4v(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
386 :	chl	96	{
387 :	chl	530	int32_t sad;
388 :			const uint8_t *ReferenceF;
389 :			const uint8_t *ReferenceB;
390 :			VECTOR mvs, b_mvs;
391 :	chl	96
392 :	syskin	576	if (( x > 31) \|\| ( x < -32) \|\| ( y > 31) \|\| (y < -32)) return;
393 :	chl	530
394 :	syskin	601	sad = data->lambda16 * d_mv_bits(x, y, 1);
395 :	edgomez	195
396 :	chl	530	mvs.x = data->directmvF[0].x + x;
397 :			b_mvs.x = ((x == 0) ?
398 :			data->directmvB[0].x
399 :			: mvs.x - data->referencemv[0].x);
400 :	edgomez	195
401 :	chl	530	mvs.y = data->directmvF[0].y + y;
402 :			b_mvs.y = ((y == 0) ?
403 :			data->directmvB[0].y
404 :			: mvs.y - data->referencemv[0].y);
405 :
406 :			if (( mvs.x > data->max_dx ) \|\| ( mvs.x < data->min_dx )
407 :			\|\| ( mvs.y > data->max_dy ) \|\| ( mvs.y < data->min_dy )
408 :			\|\| ( b_mvs.x > data->max_dx ) \|\| ( b_mvs.x < data->min_dx )
409 :			\|\| ( b_mvs.y > data->max_dy ) \|\| ( b_mvs.y < data->min_dy )) return;
410 :	chl	96
411 :	chl	530	switch ( ((mvs.x&1)<<1) + (mvs.y&1) ) {
412 :			case 0 : ReferenceF = data->Ref + mvs.x/2 + (mvs.y/2)*(data->iEdgedWidth); break;
413 :			case 1 : ReferenceF = data->RefV + mvs.x/2 + ((mvs.y-1)/2)*(data->iEdgedWidth); break;
414 :			case 2 : ReferenceF = data->RefH + (mvs.x-1)/2 + (mvs.y/2)*(data->iEdgedWidth); break;
415 :			default : ReferenceF = data->RefHV + (mvs.x-1)/2 + ((mvs.y-1)/2)*(data->iEdgedWidth); break;
416 :			}
417 :	chl	96
418 :	chl	530	switch ( ((b_mvs.x&1)<<1) + (b_mvs.y&1) ) {
419 :			case 0 : ReferenceB = data->bRef + b_mvs.x/2 + (b_mvs.y/2)*(data->iEdgedWidth); break;
420 :			case 1 : ReferenceB = data->bRefV + b_mvs.x/2 + ((b_mvs.y-1)/2)*(data->iEdgedWidth); break;
421 :			case 2 : ReferenceB = data->bRefH + (b_mvs.x-1)/2 + (b_mvs.y/2)*(data->iEdgedWidth); break;
422 :			default : ReferenceB = data->bRefHV + (b_mvs.x-1)/2 + ((b_mvs.y-1)/2)*(data->iEdgedWidth); break;
423 :			}
424 :
425 :			sad += sad16bi(data->Cur, ReferenceF, ReferenceB, data->iEdgedWidth);
426 :	chl	96
427 :	chl	530	if (sad < *(data->iMinSAD)) {
428 :			*(data->iMinSAD) = sad;
429 :			data->currentMV->x = x; data->currentMV->y = y;
430 :			*dir = Direction; }
431 :			}
432 :	chl	96
433 :	chl	530	static void
434 :			CheckCandidate8(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
435 :			{
436 :			int32_t sad;
437 :			const uint8_t * Reference;
438 :	edgomez	195
439 :	chl	530	if (( x > data->max_dx) \|\| ( x < data->min_dx)
440 :			\|\| ( y > data->max_dy) \|\| (y < data->min_dy)) return;
441 :	chl	96
442 :	chl	530	switch ( ((x&1)<<1) + (y&1) )
443 :			{
444 :			case 0 : Reference = data->Ref + x/2 + (y/2)*(data->iEdgedWidth); break;
445 :			case 1 : Reference = data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); break;
446 :			case 2 : Reference = data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); break;
447 :			default : Reference = data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); break;
448 :			}
449 :	edgomez	195
450 :	chl	530	sad = sad8(data->Cur, Reference, data->iEdgedWidth);
451 :	syskin	601	sad += data->lambda8 * d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode);
452 :	edgomez	195
453 :	chl	530	if (sad < *(data->iMinSAD)) {
454 :			*(data->iMinSAD) = sad;
455 :			data->currentMV->x = x; data->currentMV->y = y;
456 :			*dir = Direction; }
457 :	chl	96	}
458 :
459 :	Isibaar	580	static void
460 :	Isibaar	606	CheckCandidate8Q(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
461 :			{
462 :			int32_t sad;
463 :			const uint8_t * Reference;
464 :
465 :			if (( x > data->max_dx) \|\| ( x < data->min_dx)
466 :			\|\| ( y > data->max_dy) \|\| (y < data->min_dy)) return;
467 :
468 :			switch ( ((x&1)<<1) + (y&1) )
469 :			{
470 :			case 0 : Reference = data->Ref + x/2 + (y/2)*(data->iEdgedWidth); break;
471 :			case 1 : Reference = data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); break;
472 :			case 2 : Reference = data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); break;
473 :			default : Reference = data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); break;
474 :			}
475 :
476 :			sad = sad8(data->Cur, Reference, data->iEdgedWidth);
477 :			sad += data->lambda8 * d_mv_bits(2 * x - data->predQMV.x, 2 * y - data->predQMV.y, data->iFcode);
478 :
479 :			if (sad < *(data->iMinSAD)) {
480 :			*(data->iMinSAD) = sad;
481 :			data->currentMV->x = x; data->currentMV->y = y;
482 :			*dir = Direction; }
483 :			}
484 :
485 :			static void
486 :	Isibaar	580	CheckCandidate8_qpel(const int x, const int y, const int Direction, int * const dir, const SearchData * const data)
487 :			// CheckCandidate16no4v variant which expects x and y in quarter pixel resolution
488 :			// Important: This is no general usable routine! x and y must be +/-1 (qpel resolution!)
489 :			// around currentMV!
490 :
491 :			{
492 :			int32_t sad;
493 :			uint8_t Reference = (uint8_t ) data->RefQ;
494 :			const uint8_t ref1, ref2, ref3, ref4;
495 :			VECTOR halfpelMV = *(data->currentMV);
496 :
497 :			int32_t iEdgedWidth = data->iEdgedWidth;
498 :			uint32_t rounding = data->rounding;
499 :
500 :			if (( x > data->max_dx) \|\| ( x < data->min_dx)
501 :			\|\| ( y > data->max_dy) \|\| (y < data->min_dy)) return;
502 :
503 :	Isibaar	606	GET_REFERENCE(halfpelMV.x, halfpelMV.y, ref1);
504 :	Isibaar	580	switch( ((x&1)<<1) + (y&1) )
505 :			{
506 :			case 0: // pure halfpel position - shouldn't happen during a refinement step
507 :	syskin	601	GET_REFERENCE(halfpelMV.x, halfpelMV.y, Reference);
508 :	Isibaar	580	break;
509 :
510 :			case 1: // x halfpel, y qpel - top or bottom during qpel refinement
511 :			GET_REFERENCE(halfpelMV.x, y - halfpelMV.y, ref2);
512 :
513 :			interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding);
514 :			break;
515 :
516 :			case 2: // x qpel, y halfpel - left or right during qpel refinement
517 :			GET_REFERENCE(x - halfpelMV.x, halfpelMV.y, ref2);
518 :
519 :			interpolate8x8_avg2(Reference, ref1, ref2, iEdgedWidth, rounding);
520 :			break;
521 :
522 :			default: // x and y in qpel resolution - the "corners" (top left/right and
523 :			// bottom left/right) during qpel refinement
524 :			GET_REFERENCE(halfpelMV.x, y - halfpelMV.y, ref2);
525 :			GET_REFERENCE(x - halfpelMV.x, halfpelMV.y, ref3);
526 :			GET_REFERENCE(x - halfpelMV.x, y - halfpelMV.y, ref4);
527 :
528 :			interpolate8x8_avg4(Reference, ref1, ref2, ref3, ref4, iEdgedWidth, rounding);
529 :			break;
530 :			}
531 :
532 :			sad = sad8(data->Cur, Reference, data->iEdgedWidth);
533 :	syskin	601	sad += data->lambda8 * d_mv_bits(x - data->predQMV.x, y - data->predQMV.y, data->iFcode);
534 :	Isibaar	580
535 :			if (sad < *(data->iMinSAD)) {
536 :			*(data->iMinSAD) = sad;
537 :			data->currentQMV->x = x; data->currentQMV->y = y;
538 :			*dir = Direction; }
539 :			}
540 :
541 :	Isibaar	539	/* CHECK_CANDIATE FUNCTIONS END */
542 :	chl	96
543 :	chl	530	/* MAINSEARCH FUNCTIONS START */
544 :	edgomez	195
545 :	chl	530	static void
546 :			AdvDiamondSearch(int x, int y, const SearchData * const data, int bDirection)
547 :	chl	181	{
548 :
549 :			/* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */
550 :
551 :	chl	530	int iDirection;
552 :	edgomez	195
553 :			do {
554 :	chl	181	iDirection = 0;
555 :	chl	530	if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1);
556 :			if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2);
557 :			if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4);
558 :			if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8);
559 :	chl	181
560 :			/* now we're doing diagonal checks near our candidate */
561 :
562 :	chl	530	if (iDirection) { //checking if anything found
563 :	chl	181	bDirection = iDirection;
564 :			iDirection = 0;
565 :	chl	530	x = data->currentMV->x; y = data->currentMV->y;
566 :			if (bDirection & 3) { //our candidate is left or right
567 :			CHECK_CANDIDATE(x, y + iDiamondSize, 8);
568 :			CHECK_CANDIDATE(x, y - iDiamondSize, 4);
569 :			} else { // what remains here is up or down
570 :			CHECK_CANDIDATE(x + iDiamondSize, y, 2);
571 :			CHECK_CANDIDATE(x - iDiamondSize, y, 1); }
572 :	chl	181
573 :	edgomez	195	if (iDirection) {
574 :			bDirection += iDirection;
575 :	chl	530	x = data->currentMV->x; y = data->currentMV->y; }
576 :			} else { //about to quit, eh? not so fast....
577 :	edgomez	195	switch (bDirection) {
578 :	chl	181	case 2:
579 :	chl	530	CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4);
580 :			CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8);
581 :	chl	181	break;
582 :			case 1:
583 :	chl	530	CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4);
584 :			CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8);
585 :	chl	181	break;
586 :	edgomez	195	case 2 + 4:
587 :	chl	530	CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4);
588 :			CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4);
589 :			CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8);
590 :	chl	181	break;
591 :			case 4:
592 :	chl	530	CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4);
593 :			CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4);
594 :	chl	181	break;
595 :			case 8:
596 :	chl	530	CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8);
597 :			CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8);
598 :	chl	181	break;
599 :	edgomez	195	case 1 + 4:
600 :	chl	530	CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8);
601 :			CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4);
602 :			CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4);
603 :	chl	181	break;
604 :	edgomez	195	case 2 + 8:
605 :	chl	530	CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4);
606 :			CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8);
607 :			CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8);
608 :	chl	181	break;
609 :	edgomez	195	case 1 + 8:
610 :	chl	530	CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4);
611 :			CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8);
612 :			CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8);
613 :	chl	181	break;
614 :	edgomez	195	default: //1+2+4+8 == we didn't find anything at all
615 :	chl	530	CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4);
616 :			CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8);
617 :			CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4);
618 :			CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8);
619 :	chl	181	break;
620 :			}
621 :	chl	530	if (!iDirection) break; //ok, the end. really
622 :			bDirection = iDirection;
623 :			x = data->currentMV->x; y = data->currentMV->y;
624 :	chl	181	}
625 :			}
626 :	edgomez	195	while (1); //forever
627 :	chl	181	}
628 :
629 :	chl	530	static void
630 :			SquareSearch(int x, int y, const SearchData * const data, int bDirection)
631 :	chl	326	{
632 :	chl	530	int iDirection;
633 :	chl	326
634 :	chl	530	do {
635 :			iDirection = 0;
636 :			if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1+16+64);
637 :			if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2+32+128);
638 :			if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4+16+32);
639 :			if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8+64+128);
640 :			if (bDirection & 16) CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1+4+16+32+64);
641 :			if (bDirection & 32) CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2+4+16+32+128);
642 :			if (bDirection & 64) CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1+8+16+64+128);
643 :			if (bDirection & 128) CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2+8+32+64+128);
644 :	chl	326
645 :	chl	530	bDirection = iDirection;
646 :			x = data->currentMV->x; y = data->currentMV->y;
647 :			} while (iDirection);
648 :	chl	346	}
649 :
650 :	chl	530	static void
651 :			DiamondSearch(int x, int y, const SearchData * const data, int bDirection)
652 :	chl	346	{
653 :
654 :	chl	181	/* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */
655 :
656 :	chl	530	int iDirection;
657 :	edgomez	195
658 :			do {
659 :	chl	181	iDirection = 0;
660 :	chl	530	if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1);
661 :			if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2);
662 :			if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4);
663 :			if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8);
664 :	chl	181
665 :			/* now we're doing diagonal checks near our candidate */
666 :
667 :	chl	530	if (iDirection) { //checking if anything found
668 :	chl	181	bDirection = iDirection;
669 :			iDirection = 0;
670 :	chl	530	x = data->currentMV->x; y = data->currentMV->y;
671 :			if (bDirection & 3) { //our candidate is left or right
672 :			CHECK_CANDIDATE(x, y + iDiamondSize, 8);
673 :			CHECK_CANDIDATE(x, y - iDiamondSize, 4);
674 :			} else { // what remains here is up or down
675 :			CHECK_CANDIDATE(x + iDiamondSize, y, 2);
676 :			CHECK_CANDIDATE(x - iDiamondSize, y, 1); }
677 :	chl	181
678 :	chl	530	bDirection += iDirection;
679 :			x = data->currentMV->x; y = data->currentMV->y;
680 :	chl	181	}
681 :			}
682 :	chl	530	while (iDirection);
683 :	chl	181	}
684 :
685 :	chl	530	/* MAINSEARCH FUNCTIONS END */
686 :	chl	181
687 :	chl	530	/* HALFPELREFINE COULD BE A MAINSEARCH FUNCTION, BUT THERE IS NO NEED FOR IT */
688 :
689 :			static void
690 :			HalfpelRefine(const SearchData * const data)
691 :	chl	96	{
692 :	chl	530	/* Do a half-pel refinement (or rather a "smallest possible amount" refinement) */
693 :	edgomez	195
694 :	chl	530	VECTOR backupMV = *(data->currentMV);
695 :			int iDirection; //not needed
696 :	chl	96
697 :	chl	530	CHECK_CANDIDATE(backupMV.x - 1, backupMV.y - 1, 0);
698 :			CHECK_CANDIDATE(backupMV.x + 1, backupMV.y - 1, 0);
699 :			CHECK_CANDIDATE(backupMV.x - 1, backupMV.y + 1, 0);
700 :			CHECK_CANDIDATE(backupMV.x + 1, backupMV.y + 1, 0);
701 :	edgomez	195
702 :	chl	530	CHECK_CANDIDATE(backupMV.x - 1, backupMV.y, 0);
703 :			CHECK_CANDIDATE(backupMV.x + 1, backupMV.y, 0);
704 :
705 :			CHECK_CANDIDATE(backupMV.x, backupMV.y + 1, 0);
706 :			CHECK_CANDIDATE(backupMV.x, backupMV.y - 1, 0);
707 :	chl	96	}
708 :
709 :	Isibaar	580
710 :			static void
711 :			QuarterpelRefine(const SearchData * const data)
712 :			{
713 :			/* Perform quarter pixel refinement*/
714 :
715 :			VECTOR backupMV = *(data->currentQMV);
716 :			int iDirection; //not needed
717 :
718 :			CHECK_CANDIDATE(backupMV.x - 1, backupMV.y - 1, 0);
719 :			CHECK_CANDIDATE(backupMV.x + 1, backupMV.y - 1, 0);
720 :			CHECK_CANDIDATE(backupMV.x - 1, backupMV.y + 1, 0);
721 :			CHECK_CANDIDATE(backupMV.x + 1, backupMV.y + 1, 0);
722 :
723 :			CHECK_CANDIDATE(backupMV.x - 1, backupMV.y, 0);
724 :			CHECK_CANDIDATE(backupMV.x + 1, backupMV.y, 0);
725 :
726 :			CHECK_CANDIDATE(backupMV.x, backupMV.y + 1, 0);
727 :			CHECK_CANDIDATE(backupMV.x, backupMV.y - 1, 0);
728 :
729 :			}
730 :
731 :	chl	530	static __inline int
732 :			SkipDecisionP(const IMAGE * current, const IMAGE * reference,
733 :			const int x, const int y,
734 :			const uint32_t iEdgedWidth, const uint32_t iQuant)
735 :	chl	96
736 :	Isibaar	3	{
737 :	chl	530	/* keep repeating checks for all b-frames before this P frame,
738 :			to make sure that SKIP is possible (todo)
739 :			how: if skip is not possible set sad00 to a very high value */
740 :	Isibaar	3
741 :	chl	530	uint32_t sadC = sad8(current->u + x8 + y(iEdgedWidth/2)*8,
742 :			reference->u + x8 + y(iEdgedWidth/2)*8, iEdgedWidth/2);
743 :			if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP) return 0;
744 :	h	545	sadC += sad8(current->v + (x + y(iEdgedWidth/2))8,
745 :			reference->v + (x + y(iEdgedWidth/2))8, iEdgedWidth/2);
746 :	chl	530	if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP) return 0;
747 :	edgomez	195
748 :	chl	530	return 1;
749 :			}
750 :	edgomez	195
751 :	chl	530	static __inline void
752 :			SkipMacroblockP(MACROBLOCK *pMB, const int32_t sad)
753 :			{
754 :			pMB->mode = MODE_NOT_CODED;
755 :	Isibaar	539	pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = 0;
756 :			pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = 0;
757 :	Isibaar	580	pMB->qmvs[0].x = pMB->qmvs[1].x = pMB->qmvs[2].x = pMB->qmvs[3].x = 0;
758 :			pMB->qmvs[0].y = pMB->qmvs[1].y = pMB->qmvs[2].y = pMB->qmvs[3].y = 0;
759 :
760 :	chl	530	pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = sad;
761 :	Isibaar	3	}
762 :
763 :	chl	619	bool
764 :	chl	530	MotionEstimation(MBParam * const pParam,
765 :			FRAMEINFO * const current,
766 :			FRAMEINFO * const reference,
767 :			const IMAGE * const pRefH,
768 :			const IMAGE * const pRefV,
769 :			const IMAGE * const pRefHV,
770 :			const uint32_t iLimit)
771 :	Isibaar	3	{
772 :	chl	530	MACROBLOCK *const pMBs = current->mbs;
773 :			const IMAGE *const pCurrent = &current->image;
774 :			const IMAGE *const pRef = &reference->image;
775 :	Isibaar	3
776 :	chl	530	const VECTOR zeroMV = { 0, 0 };
777 :	Isibaar	3
778 :	chl	530	uint32_t x, y;
779 :			uint32_t iIntra = 0;
780 :	syskin	574	int32_t InterBias, quant = current->quant;
781 :	Isibaar	580	uint8_t *qimage;
782 :	edgomez	195
783 :	Isibaar	539	// some pre-initialized thingies for SearchP
784 :			int32_t temp[5];
785 :			VECTOR currentMV[5];
786 :	Isibaar	580	VECTOR currentQMV[5];
787 :	Isibaar	539	int32_t iMinSAD[5];
788 :			SearchData Data;
789 :			Data.iEdgedWidth = pParam->edged_width;
790 :			Data.currentMV = currentMV;
791 :	Isibaar	580	Data.currentQMV = currentQMV;
792 :	Isibaar	539	Data.iMinSAD = iMinSAD;
793 :			Data.temp = temp;
794 :			Data.iFcode = current->fcode;
795 :	Isibaar	580	Data.rounding = pParam->m_rounding_type;
796 :	Isibaar	539
797 :	Isibaar	580	if((qimage = (uint8_t ) malloc(32 pParam->edged_width)) == NULL)
798 :	syskin	594	return 1; // allocate some mem for qpel interpolated blocks
799 :	Isibaar	580	// somehow this is dirty since I think we shouldn't use malloc outside
800 :			// encoder_create() - so please fix me!
801 :
802 :	chl	530	if (sadInit) (*sadInit) ();
803 :	edgomez	195
804 :	chl	530	for (y = 0; y < pParam->mb_height; y++) {
805 :			for (x = 0; x < pParam->mb_width; x++) {
806 :	Isibaar	3
807 :	chl	530	MACROBLOCK pMB = &pMBs[x + y pParam->mb_width];
808 :			int32_t sad00 = pMB->sad16
809 :			= sad16v(pCurrent->y + (x + y * pParam->edged_width) * 16,
810 :			pRef->y + (x + y * pParam->edged_width) * 16,
811 :			pParam->edged_width, pMB->sad8 );
812 :	edgomez	195
813 :	chl	530	if (!(current->global_flags & XVID_LUMIMASKING)) {
814 :			pMB->dquant = NO_CHANGE;
815 :	syskin	601	pMB->quant = current->quant;
816 :			} else {
817 :	syskin	574	if (pMB->dquant != NO_CHANGE) {
818 :			quant += DQtab[pMB->dquant];
819 :			if (quant > 31) quant = 31;
820 :			else if (quant < 1) quant = 1;
821 :			}
822 :	syskin	601	pMB->quant = quant;
823 :			}
824 :	chl	181
825 :	chl	619	/* initial skip decision */
826 :			/* no early skip for GMC (global vector = skip vector is unknown!) */
827 :	Isibaar	3
828 :	chl	619	if (current->coding_type == P_VOP) { /* no fast SKIP for S(GMC)-VOPs */
829 :			if (pMB->dquant == NO_CHANGE && sad00 < pMB->quant * INITIAL_SKIP_THRESH)
830 :			if (SkipDecisionP(pCurrent, pRef, x, y, pParam->edged_width, pMB->quant)) {
831 :			SkipMacroblockP(pMB, sad00);
832 :			continue;
833 :			}
834 :			}
835 :	Isibaar	3
836 :	Isibaar	580	SearchP(pRef->y, pRefH->y, pRefV->y, pRefHV->y, qimage, pCurrent, x,
837 :	chl	530	y, current->motion_flags, pMB->quant,
838 :	Isibaar	539	&Data, pParam, pMBs, reference->mbs,
839 :	chl	530	current->global_flags & XVID_INTER4V, pMB);
840 :	edgomez	195
841 :	chl	530	/* final skip decision, a.k.a. "the vector you found, really that good?" */
842 :	chl	619	if (current->coding_type == P_VOP) {
843 :			if ( (pMB->dquant == NO_CHANGE) && (sad00 < pMB->quant * MAX_SAD00_FOR_SKIP)
844 :	syskin	601	&& ((100*pMB->sad16)/(sad00+1) > FINAL_SKIP_THRESH) )
845 :	chl	619	if (SkipDecisionP(pCurrent, pRef, x, y, pParam->edged_width, pMB->quant)) {
846 :			SkipMacroblockP(pMB, sad00);
847 :			continue;
848 :			}
849 :			}
850 :
851 :	chl	530	/* finally, intra decision */
852 :	Isibaar	3
853 :	chl	530	InterBias = MV16_INTER_BIAS;
854 :			if (pMB->quant > 8) InterBias += 50 * (pMB->quant - 8); // to make high quants work
855 :			if (y != 0)
856 :			if ((pMB - pParam->mb_width)->mode == MODE_INTER ) InterBias -= 50;
857 :			if (x != 0)
858 :			if ((pMB - 1)->mode == MODE_INTER ) InterBias -= 50;
859 :	Isibaar	3
860 :	chl	530	if (InterBias < pMB->sad16) {
861 :			const int32_t deviation =
862 :			dev16(pCurrent->y + (x + y * pParam->edged_width) * 16,
863 :			pParam->edged_width);
864 :	Isibaar	3
865 :	chl	530	if (deviation < (pMB->sad16 - InterBias)) {
866 :	Isibaar	580	if (++iIntra >= iLimit) { free(qimage); return 1; }
867 :	chl	530	pMB->mode = MODE_INTRA;
868 :	Isibaar	539	pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] =
869 :			pMB->mvs[3] = zeroMV;
870 :	Isibaar	580	pMB->qmvs[0] = pMB->qmvs[1] = pMB->qmvs[2] =
871 :			pMB->qmvs[3] = zeroMV;
872 :	chl	530	pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] =
873 :			pMB->sad8[3] = 0;
874 :			}
875 :			}
876 :			}
877 :	Isibaar	3	}
878 :	Isibaar	580	free(qimage);
879 :	chl	619
880 :			if (current->coding_type == S_VOP) /* first GMC step only for S(GMC)-VOPs */
881 :			current->GMC_MV = GlobalMotionEst( pMBs, pParam, current->fcode );
882 :			else
883 :			current->GMC_MV = zeroMV;
884 :
885 :			return 0;
886 :	chl	530	}
887 :	Isibaar	3
888 :	edgomez	195
889 :	chl	530	#define PMV_HALFPEL16 (PMV_HALFPELDIAMOND16\|PMV_HALFPELREFINE16)
890 :	Isibaar	3
891 :	chl	530	static __inline int
892 :			make_mask(const VECTOR * const pmv, const int i)
893 :			{
894 :	Isibaar	539	int mask = 255, j;
895 :	chl	530	for (j = 0; j < i; j++) {
896 :			if (MVequal(pmv[i], pmv[j])) return 0; // same vector has been checked already
897 :			if (pmv[i].x == pmv[j].x) {
898 :			if (pmv[i].y == pmv[j].y + iDiamondSize) { mask &= ~4; continue; }
899 :			if (pmv[i].y == pmv[j].y - iDiamondSize) { mask &= ~8; continue; }
900 :			} else
901 :			if (pmv[i].y == pmv[j].y) {
902 :			if (pmv[i].x == pmv[j].x + iDiamondSize) { mask &= ~1; continue; }
903 :			if (pmv[i].x == pmv[j].x - iDiamondSize) { mask &= ~2; continue; }
904 :			}
905 :	Isibaar	3	}
906 :	chl	530	return mask;
907 :			}
908 :	edgomez	195
909 :	chl	530	static __inline void
910 :			PreparePredictionsP(VECTOR * const pmv, int x, int y, const int iWcount,
911 :			const int iHcount, const MACROBLOCK * const prevMB)
912 :			{
913 :	edgomez	195
914 :	chl	530	//this function depends on get_pmvdata which means that it sucks. It should get the predictions by itself
915 :	edgomez	195
916 :	chl	530	if ( (y != 0) && (x != (iWcount-1)) ) { // [5] top-right neighbour
917 :			pmv[5].x = EVEN(pmv[3].x);
918 :	Isibaar	539	pmv[5].y = EVEN(pmv[3].y);
919 :			} else pmv[5].x = pmv[5].y = 0;
920 :	chl	169
921 :	chl	530	if (x != 0) { pmv[3].x = EVEN(pmv[1].x); pmv[3].y = EVEN(pmv[1].y); }// pmv[3] is left neighbour
922 :			else pmv[3].x = pmv[3].y = 0;
923 :	Isibaar	3
924 :	chl	530	if (y != 0) { pmv[4].x = EVEN(pmv[2].x); pmv[4].y = EVEN(pmv[2].y); }// [4] top neighbour
925 :			else pmv[4].x = pmv[4].y = 0;
926 :	chl	169
927 :	chl	530	// [1] median prediction
928 :			pmv[1].x = EVEN(pmv[0].x); pmv[1].y = EVEN(pmv[0].y);
929 :	chl	169
930 :	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
931 :	chl	169
932 :	chl	530	pmv[2].x = EVEN(prevMB->mvs[0].x); // [2] is last frame
933 :			pmv[2].y = EVEN(prevMB->mvs[0].y);
934 :	chl	169
935 :	chl	530	if ((x != iWcount-1) && (y != iHcount-1)) {
936 :			pmv[6].x = EVEN((prevMB+1+iWcount)->mvs[0].x); //[6] right-down neighbour in last frame
937 :	Isibaar	539	pmv[6].y = EVEN((prevMB+1+iWcount)->mvs[0].y);
938 :			} else pmv[6].x = pmv[6].y = 0;
939 :	chl	530	}
940 :	chl	169
941 :	chl	530	static void
942 :			SearchP(const uint8_t * const pRef,
943 :			const uint8_t * const pRefH,
944 :			const uint8_t * const pRefV,
945 :			const uint8_t * const pRefHV,
946 :	Isibaar	580	const uint8_t * const pRefQ,
947 :	chl	530	const IMAGE * const pCur,
948 :			const int x,
949 :			const int y,
950 :			const uint32_t MotionFlags,
951 :			const uint32_t iQuant,
952 :	Isibaar	539	SearchData * const Data,
953 :	chl	530	const MBParam * const pParam,
954 :			const MACROBLOCK * const pMBs,
955 :			const MACROBLOCK * const prevMBs,
956 :			int inter4v,
957 :			MACROBLOCK * const pMB)
958 :			{
959 :	chl	169
960 :	chl	530	int i, iDirection = 255, mask, threshA;
961 :	Isibaar	539	VECTOR pmv[7];
962 :	Isibaar	3
963 :	Isibaar	539	get_pmvdata2(pMBs, pParam->mb_width, 0, x, y, 0, pmv, Data->temp); //has to be changed to get_pmv(2)()
964 :			get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16,
965 :	Isibaar	580	pParam->width, pParam->height, Data->iFcode, pParam->m_quarterpel);
966 :	Isibaar	3
967 :	Isibaar	539	Data->predMV = pmv[0];
968 :	Isibaar	580
969 :	Isibaar	539	Data->Cur = pCur->y + (x + y * Data->iEdgedWidth) * 16;
970 :			Data->Ref = pRef + (x + Data->iEdgedWidthy)16;
971 :			Data->RefH = pRefH + (x + Data->iEdgedWidthy) 16;
972 :			Data->RefV = pRefV + (x + Data->iEdgedWidthy) 16;
973 :			Data->RefHV = pRefHV + (x + Data->iEdgedWidthy) 16;
974 :	Isibaar	580	Data->RefQ = pRefQ;
975 :	Isibaar	3
976 :	syskin	601	Data->lambda16 = lambda_vec16[iQuant];
977 :	Isibaar	606	Data->lambda8 = lambda_vec8[iQuant];
978 :	chl	169
979 :	chl	530	if (!(MotionFlags & PMV_HALFPEL16)) {
980 :	Isibaar	539	Data->min_dx = EVEN(Data->min_dx);
981 :			Data->max_dx = EVEN(Data->max_dx);
982 :			Data->min_dy = EVEN(Data->min_dy);
983 :			Data->max_dy = EVEN(Data->max_dy); }
984 :	edgomez	568
985 :			if (pMB->dquant != NO_CHANGE) inter4v = 0;
986 :	edgomez	195
987 :	Isibaar	580	for(i = 0; i < 5; i++)
988 :			Data->currentMV[i].x = Data->currentMV[i].y = 0;
989 :	Isibaar	539
990 :	Isibaar	606	if (pParam->m_quarterpel) {
991 :			Data->predQMV = get_qpmv2(pMBs, pParam->mb_width, 0, x, y, 0);
992 :			i = d_mv_bits(Data->predQMV.x, Data->predQMV.y, Data->iFcode);
993 :			} else i = d_mv_bits(Data->predMV.x, Data->predMV.y, Data->iFcode);
994 :
995 :	Isibaar	539	Data->iMinSAD[0] = pMB->sad16 + lambda_vec16[iQuant] * i;
996 :			Data->iMinSAD[1] = pMB->sad8[0] + lambda_vec8[iQuant] * i;
997 :			Data->iMinSAD[2] = pMB->sad8[1];
998 :			Data->iMinSAD[3] = pMB->sad8[2];
999 :			Data->iMinSAD[4] = pMB->sad8[3];
1000 :
1001 :	chl	530	if ((x == 0) && (y == 0)) threshA = 512;
1002 :			else {
1003 :	edgomez	568	threshA = Data->temp[0]; // that's when we keep this SAD atm
1004 :	chl	530	if (threshA < 512) threshA = 512;
1005 :			if (threshA > 1024) threshA = 1024; }
1006 :	Isibaar	3
1007 :	chl	530	PreparePredictionsP(pmv, x, y, pParam->mb_width, pParam->mb_height,
1008 :			prevMBs + x + y * pParam->mb_width);
1009 :	edgomez	195
1010 :	Isibaar	606	if (pParam->m_quarterpel) CheckCandidate = CheckCandidate16Q;
1011 :			else
1012 :			if (inter4v) CheckCandidate = CheckCandidate16;
1013 :			else CheckCandidate = CheckCandidate16no4v;
1014 :	edgomez	568
1015 :	chl	530	/* main loop. checking all predictions */
1016 :
1017 :			for (i = 1; i < 7; i++) {
1018 :			if (!(mask = make_mask(pmv, i)) ) continue;
1019 :	edgomez	568	(*CheckCandidate)(pmv[i].x, pmv[i].y, mask, &iDirection, Data);
1020 :	Isibaar	539	if (Data->iMinSAD[0] <= threshA) break;
1021 :	chl	530	}
1022 :
1023 :	Isibaar	539	if ((Data->iMinSAD[0] <= threshA) \|\|
1024 :			(MVequal(Data->currentMV[0], (prevMBs+x+y*pParam->mb_width)->mvs[0]) &&
1025 :			(Data->iMinSAD[0] < (prevMBs+x+y*pParam->mb_width)->sad16))) {
1026 :	chl	530	inter4v = 0;
1027 :	Isibaar	539	} else {
1028 :	Isibaar	3
1029 :	Isibaar	539	MainSearchFunc * MainSearchPtr;
1030 :			if (MotionFlags & PMV_USESQUARES16) MainSearchPtr = SquareSearch;
1031 :			else if (MotionFlags & PMV_ADVANCEDDIAMOND16) MainSearchPtr = AdvDiamondSearch;
1032 :			else MainSearchPtr = DiamondSearch;
1033 :	chl	181
1034 :	Isibaar	539	(*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, iDirection);
1035 :	Isibaar	3
1036 :	chl	530	/* extended search, diamond starting in 0,0 and in prediction.
1037 :			note that this search is/might be done in halfpel positions,
1038 :			which makes it more different than the diamond above */
1039 :	chl	259
1040 :	Isibaar	539	if (MotionFlags & PMV_EXTSEARCH16) {
1041 :			int32_t bSAD;
1042 :			VECTOR startMV = Data->predMV, backupMV = Data->currentMV[0];
1043 :			if (!(MotionFlags & PMV_HALFPELREFINE16)) // who's gonna use extsearch and no halfpel?
1044 :			startMV.x = EVEN(startMV.x); startMV.y = EVEN(startMV.y);
1045 :			if (!(MVequal(startMV, backupMV))) {
1046 :			bSAD = Data->iMinSAD[0]; Data->iMinSAD[0] = MV_MAX_ERROR;
1047 :	Isibaar	3
1048 :	Isibaar	606	(*CheckCandidate)(startMV.x, startMV.y, 255, &iDirection, Data);
1049 :	Isibaar	539	(*MainSearchPtr)(startMV.x, startMV.y, Data, 255);
1050 :			if (bSAD < Data->iMinSAD[0]) {
1051 :			Data->currentMV[0] = backupMV;
1052 :			Data->iMinSAD[0] = bSAD; }
1053 :			}
1054 :	Isibaar	3
1055 :	Isibaar	539	backupMV = Data->currentMV[0];
1056 :			if (MotionFlags & PMV_HALFPELREFINE16) startMV.x = startMV.y = 1;
1057 :			else startMV.x = startMV.y = 0;
1058 :			if (!(MVequal(startMV, backupMV))) {
1059 :			bSAD = Data->iMinSAD[0]; Data->iMinSAD[0] = MV_MAX_ERROR;
1060 :	edgomez	195
1061 :	Isibaar	606	(*CheckCandidate)(startMV.x, startMV.y, 255, &iDirection, Data);
1062 :	Isibaar	539	(*MainSearchPtr)(startMV.x, startMV.y, Data, 255);
1063 :			if (bSAD < Data->iMinSAD[0]) {
1064 :			Data->currentMV[0] = backupMV;
1065 :			Data->iMinSAD[0] = bSAD; }
1066 :			}
1067 :	Isibaar	3	}
1068 :			}
1069 :
1070 :	Isibaar	539	if (MotionFlags & PMV_HALFPELREFINE16) HalfpelRefine(Data);
1071 :	Isibaar	3
1072 :	Isibaar	580	for(i = 0; i < 5; i++) {
1073 :			Data->currentQMV[i].x = 2 * Data->currentMV[i].x; // initialize qpel vectors
1074 :			Data->currentQMV[i].y = 2 * Data->currentMV[i].y;
1075 :			}
1076 :
1077 :			if((pParam->m_quarterpel) && (MotionFlags & PMV_QUARTERPELREFINE16)) {
1078 :
1079 :	Isibaar	606	CheckCandidate = CheckCandidate16_qpel;
1080 :			get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16,
1081 :	syskin	601	pParam->width, pParam->height, Data->iFcode, 0);
1082 :
1083 :	Isibaar	580	QuarterpelRefine(Data);
1084 :			}
1085 :
1086 :	Isibaar	539	if (inter4v) {
1087 :			SearchData Data8;
1088 :			Data8.iFcode = Data->iFcode;
1089 :	Isibaar	606	Data8.lambda8 = Data->lambda8;
1090 :	Isibaar	539	Data8.iEdgedWidth = Data->iEdgedWidth;
1091 :	Isibaar	606	Data8.RefQ = Data->RefQ;
1092 :	Isibaar	539	Search8(Data, 2x, 2y, MotionFlags, pParam, pMB, pMBs, 0, &Data8);
1093 :			Search8(Data, 2x + 1, 2y, MotionFlags, pParam, pMB, pMBs, 1, &Data8);
1094 :			Search8(Data, 2x, 2y + 1, MotionFlags, pParam, pMB, pMBs, 2, &Data8);
1095 :			Search8(Data, 2x + 1, 2y + 1, MotionFlags, pParam, pMB, pMBs, 3, &Data8);
1096 :			}
1097 :	Isibaar	3
1098 :	chl	530	if (!(inter4v) \|\|
1099 :	Isibaar	539	(Data->iMinSAD[0] < Data->iMinSAD[1] + Data->iMinSAD[2] +
1100 :			Data->iMinSAD[3] + Data->iMinSAD[4] + IMV16X16 * (int32_t)iQuant )) {
1101 :	chl	530	// INTER MODE
1102 :			pMB->mode = MODE_INTER;
1103 :	Isibaar	539	pMB->mvs[0] = pMB->mvs[1]
1104 :			= pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0];
1105 :	Isibaar	3
1106 :	Isibaar	580	pMB->qmvs[0] = pMB->qmvs[1]
1107 :			= pMB->qmvs[2] = pMB->qmvs[3] = Data->currentQMV[0];
1108 :
1109 :	chl	530	pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] =
1110 :	Isibaar	539	pMB->sad8[2] = pMB->sad8[3] = Data->iMinSAD[0];
1111 :	Isibaar	3
1112 :	Isibaar	580	if(pParam->m_quarterpel) {
1113 :			pMB->pmvs[0].x = Data->currentQMV[0].x - Data->predQMV.x;
1114 :			pMB->pmvs[0].y = Data->currentQMV[0].y - Data->predQMV.y;
1115 :			}
1116 :			else {
1117 :			pMB->pmvs[0].x = Data->currentMV[0].x - Data->predMV.x;
1118 :			pMB->pmvs[0].y = Data->currentMV[0].y - Data->predMV.y;
1119 :			}
1120 :	edgomez	195	} else {
1121 :	chl	530	// INTER4V MODE; all other things are already set in Search8
1122 :			pMB->mode = MODE_INTER4V;
1123 :	Isibaar	539	pMB->sad16 = Data->iMinSAD[1] + Data->iMinSAD[2] +
1124 :			Data->iMinSAD[3] + Data->iMinSAD[4] + IMV16X16 * iQuant;
1125 :	edgomez	78	}
1126 :	Isibaar	3	}
1127 :
1128 :	chl	530	static void
1129 :			Search8(const SearchData * const OldData,
1130 :			const int x, const int y,
1131 :			const uint32_t MotionFlags,
1132 :			const MBParam * const pParam,
1133 :			MACROBLOCK * const pMB,
1134 :			const MACROBLOCK * const pMBs,
1135 :	Isibaar	539	const int block,
1136 :			SearchData * const Data)
1137 :	chl	345	{
1138 :	Isibaar	539	Data->iMinSAD = OldData->iMinSAD + 1 + block;
1139 :			Data->currentMV = OldData->currentMV + 1 + block;
1140 :	Isibaar	580	Data->currentQMV = OldData->currentQMV + 1 + block;
1141 :	chl	345
1142 :	syskin	601	if(pParam->m_quarterpel) {
1143 :	Isibaar	606	Data->predQMV = get_qpmv2(pMBs, pParam->mb_width, 0, x/2 , y/2, block);
1144 :			if (block != 0) (Data->iMinSAD) += Data->lambda8
1145 :	syskin	601	d_mv_bits( Data->currentQMV->x - Data->predQMV.x,
1146 :			Data->currentQMV->y - Data->predQMV.y,
1147 :			Data->iFcode);
1148 :	Isibaar	606	CheckCandidate = CheckCandidate8Q;
1149 :			} else {
1150 :			Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x/2 , y/2, block);
1151 :	syskin	601	if (block != 0) (Data->iMinSAD) += Data->lambda8
1152 :			d_mv_bits( Data->currentMV->x - Data->predMV.x,
1153 :			Data->currentMV->y - Data->predMV.y,
1154 :			Data->iFcode);
1155 :	Isibaar	606	CheckCandidate = CheckCandidate8;
1156 :			}
1157 :	chl	345
1158 :	chl	530	if (MotionFlags & (PMV_EXTSEARCH8\|PMV_HALFPELREFINE8)) {
1159 :	chl	345
1160 :	Isibaar	539	Data->Ref = OldData->Ref + 8 * ((block&1) + pParam->edged_width*(block>>1));
1161 :			Data->RefH = OldData->RefH + 8 * ((block&1) + pParam->edged_width*(block>>1));
1162 :			Data->RefV = OldData->RefV + 8 * ((block&1) + pParam->edged_width*(block>>1));
1163 :			Data->RefHV = OldData->RefHV + 8 * ((block&1) + pParam->edged_width*(block>>1));
1164 :	chl	345
1165 :	Isibaar	539	Data->Cur = OldData->Cur + 8 * ((block&1) + pParam->edged_width*(block>>1));
1166 :	chl	530
1167 :	Isibaar	539	get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 8,
1168 :	Isibaar	580	pParam->width, pParam->height, OldData->iFcode, pParam->m_quarterpel);
1169 :	chl	345
1170 :	chl	530	if (MotionFlags & PMV_EXTSEARCH8) {
1171 :	Isibaar	580	int32_t temp_sad = *(Data->iMinSAD); // store current MinSAD
1172 :
1173 :	chl	530	MainSearchFunc *MainSearchPtr;
1174 :			if (MotionFlags & PMV_USESQUARES8) MainSearchPtr = SquareSearch;
1175 :			else if (MotionFlags & PMV_ADVANCEDDIAMOND8) MainSearchPtr = AdvDiamondSearch;
1176 :			else MainSearchPtr = DiamondSearch;
1177 :	chl	345
1178 :	Isibaar	580	(*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, 255);
1179 :	chl	345
1180 :	syskin	601	if(*(Data->iMinSAD) < temp_sad) {
1181 :	Isibaar	580	Data->currentQMV->x = 2 * Data->currentMV->x; // update our qpel vector
1182 :			Data->currentQMV->y = 2 * Data->currentMV->y;
1183 :			}
1184 :			}
1185 :
1186 :			if (MotionFlags & PMV_HALFPELREFINE8) {
1187 :			int32_t temp_sad = *(Data->iMinSAD); // store current MinSAD
1188 :
1189 :			HalfpelRefine(Data); // perform halfpel refine of current best vector
1190 :
1191 :			if(*(Data->iMinSAD) < temp_sad) { // we have found a better match
1192 :			Data->currentQMV->x = 2 * Data->currentMV->x; // update our qpel vector
1193 :			Data->currentQMV->y = 2 * Data->currentMV->y;
1194 :			}
1195 :			}
1196 :
1197 :	syskin	601	if(pParam->m_quarterpel) {
1198 :			if((!(Data->currentQMV->x & 1)) && (!(Data->currentQMV->y & 1)) &&
1199 :			(MotionFlags & PMV_QUARTERPELREFINE8)) {
1200 :	Isibaar	600	CheckCandidate = CheckCandidate8_qpel;
1201 :	Isibaar	606	get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 8,
1202 :			pParam->width, pParam->height, OldData->iFcode, pParam->m_quarterpel);
1203 :			QuarterpelRefine(Data);
1204 :	syskin	601	}
1205 :	Isibaar	580	}
1206 :	chl	345	}
1207 :	chl	530
1208 :	Isibaar	580	if(pParam->m_quarterpel) {
1209 :			pMB->pmvs[block].x = Data->currentQMV->x - Data->predQMV.x;
1210 :			pMB->pmvs[block].y = Data->currentQMV->y - Data->predQMV.y;
1211 :			}
1212 :			else {
1213 :			pMB->pmvs[block].x = Data->currentMV->x - Data->predMV.x;
1214 :			pMB->pmvs[block].y = Data->currentMV->y - Data->predMV.y;
1215 :			}
1216 :
1217 :	Isibaar	539	pMB->mvs[block] = *(Data->currentMV);
1218 :	Isibaar	580	pMB->qmvs[block] = *(Data->currentQMV);
1219 :
1220 :	syskin	601	pMB->sad8[block] = 4 * (*Data->iMinSAD);
1221 :	chl	345	}
1222 :
1223 :	chl	530	/* B-frames code starts here */
1224 :	chl	345
1225 :	chl	530	static __inline VECTOR
1226 :			ChoosePred(const MACROBLOCK * const pMB, const uint32_t mode)
1227 :	Isibaar	3	{
1228 :	chl	530	/* the stupidiest function ever */
1229 :			if (mode == MODE_FORWARD) return pMB->mvs[0];
1230 :			else return pMB->b_mvs[0];
1231 :	Isibaar	3	}
1232 :
1233 :	chl	530	static void __inline
1234 :			PreparePredictionsBF(VECTOR * const pmv, const int x, const int y,
1235 :			const uint32_t iWcount,
1236 :			const MACROBLOCK * const pMB,
1237 :			const uint32_t mode_curr)
1238 :	Isibaar	3	{
1239 :
1240 :	chl	530	// [0] is prediction
1241 :			pmv[0].x = EVEN(pmv[0].x); pmv[0].y = EVEN(pmv[0].y);
1242 :	Isibaar	3
1243 :	chl	530	pmv[1].x = pmv[1].y = 0; // [1] is zero
1244 :	Isibaar	3
1245 :	chl	530	pmv[2] = ChoosePred(pMB, mode_curr);
1246 :			pmv[2].x = EVEN(pmv[2].x); pmv[2].y = EVEN(pmv[2].y);
1247 :	edgomez	195
1248 :	chl	530	if ((y != 0)&&(x != (int)(iWcount+1))) { // [3] top-right neighbour
1249 :			pmv[3] = ChoosePred(pMB+1-iWcount, mode_curr);
1250 :	Isibaar	539	pmv[3].x = EVEN(pmv[3].x); pmv[3].y = EVEN(pmv[3].y);
1251 :			} else pmv[3].x = pmv[3].y = 0;
1252 :	Isibaar	3
1253 :	chl	530	if (y != 0) {
1254 :			pmv[4] = ChoosePred(pMB-iWcount, mode_curr);
1255 :			pmv[4].x = EVEN(pmv[4].x); pmv[4].y = EVEN(pmv[4].y);
1256 :			} else pmv[4].x = pmv[4].y = 0;
1257 :	Isibaar	3
1258 :	chl	530	if (x != 0) {
1259 :			pmv[5] = ChoosePred(pMB-1, mode_curr);
1260 :			pmv[5].x = EVEN(pmv[5].x); pmv[5].y = EVEN(pmv[5].y);
1261 :			} else pmv[5].x = pmv[5].y = 0;
1262 :	Isibaar	3
1263 :	chl	530	if ((x != 0)&&(y != 0)) {
1264 :			pmv[6] = ChoosePred(pMB-1-iWcount, mode_curr);
1265 :			pmv[6].x = EVEN(pmv[5].x); pmv[5].y = EVEN(pmv[5].y);
1266 :			} else pmv[6].x = pmv[6].y = 0;
1267 :	edgomez	195
1268 :	chl	530	// more?
1269 :			}
1270 :	chl	181
1271 :	edgomez	170
1272 :	chl	530	/* search backward or forward, for b-frames */
1273 :			static void
1274 :			SearchBF( const uint8_t * const pRef,
1275 :			const uint8_t * const pRefH,
1276 :			const uint8_t * const pRefV,
1277 :			const uint8_t * const pRefHV,
1278 :			const IMAGE * const pCur,
1279 :			const int x, const int y,
1280 :			const uint32_t MotionFlags,
1281 :			const uint32_t iFcode,
1282 :			const MBParam * const pParam,
1283 :			MACROBLOCK * const pMB,
1284 :			const VECTOR * const predMV,
1285 :			int32_t * const best_sad,
1286 :	h	545	const int32_t mode_current,
1287 :			SearchData * const Data)
1288 :	chl	530	{
1289 :	Isibaar	3
1290 :	chl	530	const int32_t iEdgedWidth = pParam->edged_width;
1291 :
1292 :			int i, iDirection, mask;
1293 :	h	545	VECTOR pmv[7];
1294 :	chl	530	MainSearchFunc *MainSearchPtr;
1295 :	h	545	*Data->iMinSAD = MV_MAX_ERROR;
1296 :			Data->iFcode = iFcode;
1297 :	Isibaar	3
1298 :	h	545	Data->Ref = pRef + (x + y * iEdgedWidth) * 16;
1299 :			Data->RefH = pRefH + (x + y * iEdgedWidth) * 16;
1300 :			Data->RefV = pRefV + (x + y * iEdgedWidth) * 16;
1301 :			Data->RefHV = pRefHV + (x + y * iEdgedWidth) * 16;
1302 :	Isibaar	3
1303 :	h	545	Data->predMV = *predMV;
1304 :	edgomez	195
1305 :	h	545	get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16,
1306 :	Isibaar	580	pParam->width, pParam->height, iFcode, pParam->m_quarterpel);
1307 :	Isibaar	3
1308 :	h	545	pmv[0] = Data->predMV;
1309 :			PreparePredictionsBF(pmv, x, y, pParam->mb_width, pMB, mode_current);
1310 :	edgomez	195
1311 :	h	545	Data->currentMV->x = Data->currentMV->y = 0;
1312 :	Isibaar	3
1313 :	chl	530	CheckCandidate = CheckCandidate16no4v;
1314 :	chl	181
1315 :	chl	530	// main loop. checking all predictions
1316 :			for (i = 0; i < 8; i++) {
1317 :			if (!(mask = make_mask(pmv, i)) ) continue;
1318 :	h	545	CheckCandidate16no4v(pmv[i].x, pmv[i].y, mask, &iDirection, Data);
1319 :	edgomez	78	}
1320 :	Isibaar	3
1321 :	chl	530	if (MotionFlags & PMV_USESQUARES16)
1322 :			MainSearchPtr = SquareSearch;
1323 :			else if (MotionFlags & PMV_ADVANCEDDIAMOND16)
1324 :			MainSearchPtr = AdvDiamondSearch;
1325 :			else MainSearchPtr = DiamondSearch;
1326 :	chl	96
1327 :	h	545	(*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, 255);
1328 :	chl	169
1329 :	h	545	HalfpelRefine(Data);
1330 :	chl	169
1331 :	chl	530	// three bits are needed to code backward mode. four for forward
1332 :			// we treat the bits just like they were vector's
1333 :	syskin	601	if (mode_current == MODE_FORWARD) Data->iMinSAD += 4 Data->lambda16 * 2;
1334 :			else Data->iMinSAD += 3 Data->lambda16 * 2;
1335 :	chl	169
1336 :	h	545	if (Data->iMinSAD < best_sad) {
1337 :			best_sad = Data->iMinSAD;
1338 :	chl	530	pMB->mode = mode_current;
1339 :	h	545	pMB->pmvs[0].x = Data->currentMV->x - predMV->x;
1340 :			pMB->pmvs[0].y = Data->currentMV->y - predMV->y;
1341 :	syskin	601	if (mode_current == MODE_FORWARD) pMB->mvs[0] = (Data->currentMV+2) = Data->currentMV;
1342 :			else pMB->b_mvs[0] = (Data->currentMV+1) = Data->currentMV; //we store currmv for interpolate search
1343 :	chl	169	}
1344 :	chl	530
1345 :			}
1346 :	chl	169
1347 :	chl	530	static int32_t
1348 :	Isibaar	539	SearchDirect(const IMAGE * const f_Ref,
1349 :	chl	530	const uint8_t * const f_RefH,
1350 :			const uint8_t * const f_RefV,
1351 :			const uint8_t * const f_RefHV,
1352 :	Isibaar	539	const IMAGE * const b_Ref,
1353 :	chl	530	const uint8_t * const b_RefH,
1354 :			const uint8_t * const b_RefV,
1355 :			const uint8_t * const b_RefHV,
1356 :			const IMAGE * const pCur,
1357 :			const int x, const int y,
1358 :			const uint32_t MotionFlags,
1359 :			const int32_t TRB, const int32_t TRD,
1360 :			const MBParam * const pParam,
1361 :			MACROBLOCK * const pMB,
1362 :			const MACROBLOCK * const b_mb,
1363 :	h	545	int32_t * const best_sad,
1364 :			SearchData * const Data)
1365 :	edgomez	195
1366 :	chl	530	{
1367 :	h	545	int32_t skip_sad;
1368 :	chl	530	int k;
1369 :	h	545
1370 :	chl	530	MainSearchFunc *MainSearchPtr;
1371 :	Isibaar	3
1372 :	h	545	Data->iMinSAD = 2564096;
1373 :			Data->referencemv = b_mb->mvs;
1374 :	chl	140
1375 :	h	545	Data->Ref = f_Ref->y + (x + Data->iEdgedWidthy) 16;
1376 :			Data->RefH = f_RefH + (x + Data->iEdgedWidthy) 16;
1377 :			Data->RefV = f_RefV + (x + Data->iEdgedWidthy) 16;
1378 :			Data->RefHV = f_RefHV + (x + Data->iEdgedWidthy) 16;
1379 :			Data->bRef = b_Ref->y + (x + Data->iEdgedWidthy) 16;
1380 :			Data->bRefH = b_RefH + (x + Data->iEdgedWidthy) 16;
1381 :			Data->bRefV = b_RefV + (x + Data->iEdgedWidthy) 16;
1382 :			Data->bRefHV = b_RefHV + (x + Data->iEdgedWidthy) 16;
1383 :	chl	140
1384 :	h	545	Data->max_dx = 2 * pParam->width - 2 * (x) * 16;
1385 :			Data->max_dy = 2 * pParam->height - 2 * (y) * 16;
1386 :			Data->min_dx = -(2 * 16 + 2 * (x) * 16);
1387 :			Data->min_dy = -(2 * 16 + 2 * (y) * 16);
1388 :	Isibaar	3
1389 :	chl	530	for (k = 0; k < 4; k++) {
1390 :	h	545	pMB->mvs[k].x = Data->directmvF[k].x = ((TRB * Data->referencemv[k].x) / TRD);
1391 :			pMB->b_mvs[k].x = Data->directmvB[k].x = ((TRB - TRD) * Data->referencemv[k].x) / TRD;
1392 :			pMB->mvs[k].y = Data->directmvF[k].y = ((TRB * Data->referencemv[k].y) / TRD);
1393 :			pMB->b_mvs[k].y = Data->directmvB[k].y = ((TRB - TRD) * Data->referencemv[k].y) / TRD;
1394 :	Isibaar	3
1395 :	h	545	if ( ( pMB->b_mvs[k].x > Data->max_dx ) \|\| ( pMB->b_mvs[k].x < Data->min_dx )
1396 :			\|\| ( pMB->b_mvs[k].y > Data->max_dy ) \|\| ( pMB->b_mvs[k].y < Data->min_dy )) {
1397 :	Isibaar	3
1398 :	Isibaar	539	best_sad = 2564096; // in that case, we won't use direct mode
1399 :			pMB->mode = MODE_DIRECT; // just to make sure it doesn't say "MODE_DIRECT_NONE_MV"
1400 :			pMB->b_mvs[0].x = pMB->b_mvs[0].y = 0;
1401 :			return 0;
1402 :			}
1403 :			if (b_mb->mode != MODE_INTER4V) {
1404 :			pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->mvs[0];
1405 :			pMB->b_mvs[1] = pMB->b_mvs[2] = pMB->b_mvs[3] = pMB->b_mvs[0];
1406 :	h	545	Data->directmvF[1] = Data->directmvF[2] = Data->directmvF[3] = Data->directmvF[0];
1407 :			Data->directmvB[1] = Data->directmvB[2] = Data->directmvB[3] = Data->directmvB[0];
1408 :	Isibaar	539	break;
1409 :			}
1410 :			}
1411 :	Isibaar	3
1412 :	Isibaar	539	if (b_mb->mode == MODE_INTER4V)
1413 :			CheckCandidate = CheckCandidateDirect;
1414 :			else CheckCandidate = CheckCandidateDirectno4v;
1415 :	edgomez	195
1416 :	h	545	(*CheckCandidate)(0, 0, 255, &k, Data);
1417 :	Isibaar	3
1418 :	chl	530	// skip decision
1419 :	syskin	601	if (Data->iMinSAD - 2 Data->lambda16 < (uint32_t)pMB->quant * SKIP_THRESH_B) {
1420 :	syskin	594	//possible skip - checking chroma. everything copied from MC
1421 :	Isibaar	539	//this is not full chroma compensation, only it's fullpel approximation. should work though
1422 :			int sum, dx, dy, b_dx, b_dy;
1423 :	Isibaar	3
1424 :	Isibaar	539	sum = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x;
1425 :			dx = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2));
1426 :
1427 :			sum = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y;
1428 :			dy = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2));
1429 :
1430 :			sum = pMB->b_mvs[0].x + pMB->b_mvs[1].x + pMB->b_mvs[2].x + pMB->b_mvs[3].x;
1431 :			b_dx = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2));
1432 :
1433 :			sum = pMB->b_mvs[0].y + pMB->b_mvs[1].y + pMB->b_mvs[2].y + pMB->b_mvs[3].y;
1434 :			b_dy = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2));
1435 :
1436 :	h	545	sum = sad8bi(pCur->u + 8x + 8y*(Data->iEdgedWidth/2),
1437 :			f_Ref->u + (y8 + dy/2) (Data->iEdgedWidth/2) + x*8 + dx/2,
1438 :			b_Ref->u + (y8 + b_dy/2) (Data->iEdgedWidth/2) + x*8 + b_dx/2,
1439 :			Data->iEdgedWidth/2);
1440 :			sum += sad8bi(pCur->v + 8x + 8y*(Data->iEdgedWidth/2),
1441 :			f_Ref->v + (y8 + dy/2) (Data->iEdgedWidth/2) + x*8 + dx/2,
1442 :			b_Ref->v + (y8 + b_dy/2) (Data->iEdgedWidth/2) + x*8 + b_dx/2,
1443 :			Data->iEdgedWidth/2);
1444 :	Isibaar	539
1445 :	syskin	601	if (sum < MAX_CHROMA_SAD_FOR_SKIP * pMB->quant) {
1446 :	Isibaar	539	pMB->mode = MODE_DIRECT_NONE_MV;
1447 :	h	545	return *Data->iMinSAD;
1448 :	Isibaar	539	}
1449 :			}
1450 :
1451 :	h	545	skip_sad = *Data->iMinSAD;
1452 :	edgomez	195
1453 :	chl	530	// DIRECT MODE DELTA VECTOR SEARCH.
1454 :			// This has to be made more effective, but at the moment I'm happy it's running at all
1455 :	Isibaar	3
1456 :	chl	530	if (MotionFlags & PMV_USESQUARES16) MainSearchPtr = SquareSearch;
1457 :			else if (MotionFlags & PMV_ADVANCEDDIAMOND16) MainSearchPtr = AdvDiamondSearch;
1458 :			else MainSearchPtr = DiamondSearch;
1459 :	edgomez	195
1460 :	h	545	(*MainSearchPtr)(0, 0, Data, 255);
1461 :	Isibaar	3
1462 :	h	545	HalfpelRefine(Data);
1463 :	Isibaar	3
1464 :	syskin	601	Data->iMinSAD += 1 Data->lambda16 * 2; // one bit is needed to code direct mode
1465 :	h	545	best_sad = Data->iMinSAD;
1466 :	Isibaar	3
1467 :	chl	530	if (b_mb->mode == MODE_INTER4V)
1468 :			pMB->mode = MODE_DIRECT;
1469 :			else pMB->mode = MODE_DIRECT_NO4V; //for faster compensation
1470 :	edgomez	195
1471 :	h	545	pMB->pmvs[3] = *Data->currentMV;
1472 :	edgomez	195
1473 :	chl	530	for (k = 0; k < 4; k++) {
1474 :	h	545	pMB->mvs[k].x = Data->directmvF[k].x + Data->currentMV->x;
1475 :			pMB->b_mvs[k].x = ((Data->currentMV->x == 0)
1476 :			? Data->directmvB[k].x
1477 :			: pMB->mvs[k].x - Data->referencemv[k].x);
1478 :			pMB->mvs[k].y = (Data->directmvF[k].y + Data->currentMV->y);
1479 :			pMB->b_mvs[k].y = ((Data->currentMV->y == 0)
1480 :			? Data->directmvB[k].y
1481 :			: pMB->mvs[k].y - Data->referencemv[k].y);
1482 :	chl	530	if (b_mb->mode != MODE_INTER4V) {
1483 :			pMB->mvs[3] = pMB->mvs[2] = pMB->mvs[1] = pMB->mvs[0];
1484 :			pMB->b_mvs[3] = pMB->b_mvs[2] = pMB->b_mvs[1] = pMB->b_mvs[0];
1485 :			break;
1486 :			}
1487 :			}
1488 :	h	545	return skip_sad;
1489 :	Isibaar	3	}
1490 :	chl	96
1491 :	h	545
1492 :	chl	530	static __inline void
1493 :			SearchInterpolate(const uint8_t * const f_Ref,
1494 :			const uint8_t * const f_RefH,
1495 :			const uint8_t * const f_RefV,
1496 :			const uint8_t * const f_RefHV,
1497 :			const uint8_t * const b_Ref,
1498 :			const uint8_t * const b_RefH,
1499 :			const uint8_t * const b_RefV,
1500 :			const uint8_t * const b_RefHV,
1501 :			const IMAGE * const pCur,
1502 :			const int x, const int y,
1503 :			const uint32_t fcode,
1504 :			const uint32_t bcode,
1505 :			const uint32_t MotionFlags,
1506 :			const MBParam * const pParam,
1507 :			const VECTOR * const f_predMV,
1508 :			const VECTOR * const b_predMV,
1509 :			MACROBLOCK * const pMB,
1510 :	h	545	int32_t * const best_sad,
1511 :			SearchData * const fData)
1512 :	chl	530
1513 :	chl	96	{
1514 :
1515 :	edgomez	195	const int32_t iEdgedWidth = pParam->edged_width;
1516 :	chl	96
1517 :	chl	530	int iDirection, i, j;
1518 :	h	545	SearchData bData;
1519 :	chl	96
1520 :	syskin	601	(bData.iMinSAD = fData->iMinSAD) = 4096256;
1521 :	h	545	bData.Cur = fData->Cur;
1522 :			fData->iEdgedWidth = bData.iEdgedWidth = iEdgedWidth;
1523 :			bData.currentMV = fData->currentMV + 1;
1524 :	syskin	601	bData.lambda16 = fData->lambda16;
1525 :	h	545	fData->iFcode = bData.bFcode = fcode; fData->bFcode = bData.iFcode = bcode;
1526 :	edgomez	195
1527 :	h	545	bData.bRef = fData->Ref = f_Ref + (x + y * iEdgedWidth) * 16;
1528 :			bData.bRefH = fData->RefH = f_RefH + (x + y * iEdgedWidth) * 16;
1529 :			bData.bRefV = fData->RefV = f_RefV + (x + y * iEdgedWidth) * 16;
1530 :			bData.bRefHV = fData->RefHV = f_RefHV + (x + y * iEdgedWidth) * 16;
1531 :			bData.Ref = fData->bRef = b_Ref + (x + y * iEdgedWidth) * 16;
1532 :			bData.RefH = fData->bRefH = b_RefH + (x + y * iEdgedWidth) * 16;
1533 :			bData.RefV = fData->bRefV = b_RefV + (x + y * iEdgedWidth) * 16;
1534 :			bData.RefHV = fData->bRefHV = b_RefHV + (x + y * iEdgedWidth) * 16;
1535 :	chl	96
1536 :	h	545	bData.bpredMV = fData->predMV = *f_predMV;
1537 :			fData->bpredMV = bData.predMV = *b_predMV;
1538 :	edgomez	195
1539 :	syskin	601	fData->currentMV[0] = fData->currentMV[3]; //forward search stored it's vector here. backward stored it in the place it's needed
1540 :	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);
1541 :			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);
1542 :	chl	96
1543 :	h	545	if (fData->currentMV[0].x > fData->max_dx) fData->currentMV[0].x = fData->max_dx;
1544 :			if (fData->currentMV[0].x < fData->min_dx) fData->currentMV[0].x = fData->min_dy;
1545 :			if (fData->currentMV[0].y > fData->max_dy) fData->currentMV[0].y = fData->max_dx;
1546 :			if (fData->currentMV[0].y > fData->min_dy) fData->currentMV[0].y = fData->min_dy;
1547 :	Isibaar	539
1548 :	h	545	if (fData->currentMV[1].x > bData.max_dx) fData->currentMV[1].x = bData.max_dx;
1549 :			if (fData->currentMV[1].x < bData.min_dx) fData->currentMV[1].x = bData.min_dy;
1550 :			if (fData->currentMV[1].y > bData.max_dy) fData->currentMV[1].y = bData.max_dx;
1551 :			if (fData->currentMV[1].y > bData.min_dy) fData->currentMV[1].y = bData.min_dy;
1552 :	Isibaar	539
1553 :	h	545	CheckCandidateInt(fData->currentMV[0].x, fData->currentMV[0].y, 255, &iDirection, fData);
1554 :	chl	96
1555 :	chl	530	//diamond. I wish we could use normal mainsearch functions (square, advdiamond)
1556 :	chl	96
1557 :	chl	530	do {
1558 :			iDirection = 255;
1559 :			// forward MV moves
1560 :	h	545	i = fData->currentMV[0].x; j = fData->currentMV[0].y;
1561 :	chl	96
1562 :	h	545	CheckCandidateInt(i + 1, j, 0, &iDirection, fData);
1563 :			CheckCandidateInt(i, j + 1, 0, &iDirection, fData);
1564 :			CheckCandidateInt(i - 1, j, 0, &iDirection, fData);
1565 :			CheckCandidateInt(i, j - 1, 0, &iDirection, fData);
1566 :	chl	96
1567 :	chl	530	// backward MV moves
1568 :	h	545	i = fData->currentMV[1].x; j = fData->currentMV[1].y;
1569 :			fData->currentMV[2] = fData->currentMV[0];
1570 :	chl	326
1571 :	Isibaar	539	CheckCandidateInt(i + 1, j, 0, &iDirection, &bData);
1572 :			CheckCandidateInt(i, j + 1, 0, &iDirection, &bData);
1573 :			CheckCandidateInt(i - 1, j, 0, &iDirection, &bData);
1574 :			CheckCandidateInt(i, j - 1, 0, &iDirection, &bData);
1575 :	chl	96
1576 :	chl	530	} while (!(iDirection));
1577 :	edgomez	195
1578 :	chl	530	// two bits are needed to code interpolate mode. we treat the bits just like they were vector's
1579 :	Isibaar	606	fData->iMinSAD += 2 fData->lambda16 * 2;
1580 :
1581 :	h	545	if (fData->iMinSAD < best_sad) {
1582 :			best_sad = fData->iMinSAD;
1583 :			pMB->mvs[0] = fData->currentMV[0];
1584 :			pMB->b_mvs[0] = fData->currentMV[1];
1585 :	chl	530	pMB->mode = MODE_INTERPOLATE;
1586 :	chl	96
1587 :	chl	530	pMB->pmvs[1].x = pMB->mvs[0].x - f_predMV->x;
1588 :			pMB->pmvs[1].y = pMB->mvs[0].y - f_predMV->y;
1589 :			pMB->pmvs[0].x = pMB->b_mvs[0].x - b_predMV->x;
1590 :			pMB->pmvs[0].y = pMB->b_mvs[0].y - b_predMV->y;
1591 :			}
1592 :			}
1593 :	chl	96
1594 :	h	545
1595 :	chl	530	void
1596 :			MotionEstimationBVOP(MBParam * const pParam,
1597 :			FRAMEINFO * const frame,
1598 :			const int32_t time_bp,
1599 :			const int32_t time_pp,
1600 :			// forward (past) reference
1601 :			const MACROBLOCK * const f_mbs,
1602 :			const IMAGE * const f_ref,
1603 :			const IMAGE * const f_refH,
1604 :			const IMAGE * const f_refV,
1605 :			const IMAGE * const f_refHV,
1606 :			// backward (future) reference
1607 :			const MACROBLOCK * const b_mbs,
1608 :			const IMAGE * const b_ref,
1609 :			const IMAGE * const b_refH,
1610 :			const IMAGE * const b_refV,
1611 :			const IMAGE * const b_refHV)
1612 :			{
1613 :			uint32_t i, j;
1614 :			int32_t best_sad, skip_sad;
1615 :			int f_count = 0, b_count = 0, i_count = 0, d_count = 0, n_count = 0;
1616 :			static const VECTOR zeroMV={0,0};
1617 :	chl	96
1618 :	chl	530	VECTOR f_predMV, b_predMV; /* there is no prediction for direct mode*/
1619 :	chl	96
1620 :	chl	530	const int32_t TRB = time_pp - time_bp;
1621 :			const int32_t TRD = time_pp;
1622 :	chl	96
1623 :	h	545	// some pre-inintialized data for the rest of the search
1624 :
1625 :			SearchData Data;
1626 :			int32_t iMinSAD;
1627 :			VECTOR currentMV[3];
1628 :			Data.iEdgedWidth = pParam->edged_width;
1629 :			Data.currentMV = currentMV;
1630 :			Data.iMinSAD = &iMinSAD;
1631 :	syskin	601	Data.lambda16 = lambda_vec16[frame->quant];
1632 :	h	545
1633 :	chl	530	// note: i==horizontal, j==vertical
1634 :	chl	96
1635 :	chl	530	for (j = 0; j < pParam->mb_height; j++) {
1636 :	chl	96
1637 :	chl	530	f_predMV = b_predMV = zeroMV; /* prediction is reset at left boundary */
1638 :	edgomez	195
1639 :	chl	530	for (i = 0; i < pParam->mb_width; i++) {
1640 :			MACROBLOCK * const pMB = frame->mbs + i + j * pParam->mb_width;
1641 :			const MACROBLOCK * const b_mb = b_mbs + i + j * pParam->mb_width;
1642 :	edgomez	195
1643 :	chl	619	/* special case, if collocated block is SKIPed in P-VOP: encoding is forward (0,0), cpb=0 without further ado */
1644 :			if ( (b_mb->mode == MODE_NOT_CODED) ) {
1645 :	chl	530	pMB->mode = MODE_NOT_CODED;
1646 :			continue;
1647 :	chl	96	}
1648 :
1649 :	h	545	Data.Cur = frame->image.y + (j * Data.iEdgedWidth + i) * 16;
1650 :	syskin	601	pMB->quant = frame->quant;
1651 :	chl	530	/* direct search comes first, because it (1) checks for SKIP-mode
1652 :			and (2) sets very good predictions for forward and backward search */
1653 :	chl	96
1654 :	Isibaar	539	skip_sad = SearchDirect(f_ref, f_refH->y, f_refV->y, f_refHV->y,
1655 :			b_ref, b_refH->y, b_refV->y, b_refHV->y,
1656 :	chl	530	&frame->image,
1657 :			i, j,
1658 :			frame->motion_flags,
1659 :			TRB, TRD,
1660 :			pParam,
1661 :			pMB, b_mb,
1662 :	h	545	&best_sad,
1663 :			&Data);
1664 :	chl	96
1665 :	Isibaar	539	if (pMB->mode == MODE_DIRECT_NONE_MV) { n_count++; continue; }
1666 :	chl	96
1667 :	chl	530	// best_sad = 256*4096; //uncomment to disable Directsearch.
1668 :			// To disable any other mode, just comment the function call
1669 :	chl	96
1670 :	chl	530	// forward search
1671 :			SearchBF(f_ref->y, f_refH->y, f_refV->y, f_refHV->y,
1672 :			&frame->image, i, j,
1673 :			frame->motion_flags,
1674 :	h	545	frame->fcode, pParam,
1675 :	chl	530	pMB, &f_predMV, &best_sad,
1676 :	h	545	MODE_FORWARD, &Data);
1677 :	chl	96
1678 :	chl	530	// backward search
1679 :			SearchBF(b_ref->y, b_refH->y, b_refV->y, b_refHV->y,
1680 :			&frame->image, i, j,
1681 :			frame->motion_flags,
1682 :	h	545	frame->bcode, pParam,
1683 :	chl	530	pMB, &b_predMV, &best_sad,
1684 :	h	545	MODE_BACKWARD, &Data);
1685 :	chl	96
1686 :	chl	530	// interpolate search comes last, because it uses data from forward and backward as prediction
1687 :	chl	96
1688 :	chl	530	SearchInterpolate(f_ref->y, f_refH->y, f_refV->y, f_refHV->y,
1689 :			b_ref->y, b_refH->y, b_refV->y, b_refHV->y,
1690 :			&frame->image,
1691 :			i, j,
1692 :			frame->fcode, frame->bcode,
1693 :			frame->motion_flags,
1694 :	h	545	pParam,
1695 :	chl	530	&f_predMV, &b_predMV,
1696 :	h	545	pMB, &best_sad,
1697 :			&Data);
1698 :	chl	96
1699 :	chl	530	switch (pMB->mode) {
1700 :			case MODE_FORWARD:
1701 :			f_count++;
1702 :			f_predMV = pMB->mvs[0];
1703 :			break;
1704 :			case MODE_BACKWARD:
1705 :			b_count++;
1706 :			b_predMV = pMB->b_mvs[0];
1707 :			break;
1708 :			case MODE_INTERPOLATE:
1709 :			i_count++;
1710 :			f_predMV = pMB->mvs[0];
1711 :			b_predMV = pMB->b_mvs[0];
1712 :			break;
1713 :			case MODE_DIRECT:
1714 :			case MODE_DIRECT_NO4V:
1715 :			d_count++;
1716 :			break;
1717 :			default:
1718 :			break;
1719 :	chl	96	}
1720 :			}
1721 :			}
1722 :
1723 :	chl	530	// fprintf(debug,"B-Stat: F: %04d B: %04d I: %04d D: %04d, N: %04d\n",
1724 :			// f_count,b_count,i_count,d_count,n_count);
1725 :	chl	96
1726 :			}
1727 :
1728 :	chl	530	/* Hinted ME starts here */
1729 :	chl	96
1730 :	syskin	594	static void
1731 :			Search8hinted(const SearchData * const OldData,
1732 :	syskin	601	const int x, const int y,
1733 :			const uint32_t MotionFlags,
1734 :			const MBParam * const pParam,
1735 :			MACROBLOCK * const pMB,
1736 :			const MACROBLOCK * const pMBs,
1737 :			const int block,
1738 :			SearchData * const Data)
1739 :	chl	96	{
1740 :	syskin	594	int32_t temp_sad;
1741 :	chl	530	MainSearchFunc *MainSearchPtr;
1742 :	syskin	594	Data->iMinSAD = OldData->iMinSAD + 1 + block;
1743 :			Data->currentMV = OldData->currentMV + 1 + block;
1744 :			Data->currentQMV = OldData->currentQMV + 1 + block;
1745 :	Isibaar	606	Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x/2 , y/2, block);
1746 :	chl	141
1747 :	syskin	601	if(pParam->m_quarterpel) {
1748 :	Isibaar	606	Data->predQMV = get_qpmv2(pMBs, pParam->mb_width, 0, x/2 , y/2, block);
1749 :			if (block != 0) (Data->iMinSAD) += Data->lambda8
1750 :	syskin	594	d_mv_bits( Data->currentQMV->x - Data->predQMV.x,
1751 :			Data->currentQMV->y - Data->predQMV.y,
1752 :			Data->iFcode);
1753 :	Isibaar	606	CheckCandidate = CheckCandidate8Q;
1754 :			} else {
1755 :	syskin	601	if (block != 0) (Data->iMinSAD) += Data->lambda8
1756 :			d_mv_bits( Data->currentMV->x - Data->predMV.x,
1757 :			Data->currentMV->y - Data->predMV.y,
1758 :			Data->iFcode);
1759 :	Isibaar	606	CheckCandidate = CheckCandidate8;
1760 :			}
1761 :	chl	96
1762 :	syskin	594	Data->Ref = OldData->Ref + 8 * ((block&1) + pParam->edged_width*(block>>1));
1763 :			Data->RefH = OldData->RefH + 8 * ((block&1) + pParam->edged_width*(block>>1));
1764 :			Data->RefV = OldData->RefV + 8 * ((block&1) + pParam->edged_width*(block>>1));
1765 :			Data->RefHV = OldData->RefHV + 8 * ((block&1) + pParam->edged_width*(block>>1));
1766 :	edgomez	195
1767 :	syskin	594	Data->Cur = OldData->Cur + 8 * ((block&1) + pParam->edged_width*(block>>1));
1768 :
1769 :			get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 8,
1770 :	Isibaar	580	pParam->width, pParam->height, OldData->iFcode, pParam->m_quarterpel);
1771 :	chl	96
1772 :	syskin	601	temp_sad = *(Data->iMinSAD); // store current MinSAD
1773 :	syskin	594
1774 :	chl	530	if (MotionFlags & PMV_USESQUARES8) MainSearchPtr = SquareSearch;
1775 :			else if (MotionFlags & PMV_ADVANCEDDIAMOND8) MainSearchPtr = AdvDiamondSearch;
1776 :			else MainSearchPtr = DiamondSearch;
1777 :	chl	96
1778 :	syskin	594	(*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, 255);
1779 :	edgomez	195
1780 :	syskin	594	if(*(Data->iMinSAD) < temp_sad) {
1781 :			Data->currentQMV->x = 2 * Data->currentMV->x; // update our qpel vector
1782 :			Data->currentQMV->y = 2 * Data->currentMV->y;
1783 :			}
1784 :	chl	96
1785 :	syskin	594	if (MotionFlags & PMV_HALFPELREFINE8) {
1786 :			temp_sad = *(Data->iMinSAD); // store current MinSAD
1787 :
1788 :			HalfpelRefine(Data); // perform halfpel refine of current best vector
1789 :
1790 :			if(*(Data->iMinSAD) < temp_sad) { // we have found a better match
1791 :			Data->currentQMV->x = 2 * Data->currentMV->x; // update our qpel vector
1792 :			Data->currentQMV->y = 2 * Data->currentMV->y;
1793 :			}
1794 :			}
1795 :
1796 :	syskin	601	if(pParam->m_quarterpel) {
1797 :			if((!(Data->currentQMV->x & 1)) && (!(Data->currentQMV->y & 1)) &&
1798 :			(MotionFlags & PMV_QUARTERPELREFINE8)) {
1799 :	Isibaar	606	get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 8,
1800 :			pParam->width, pParam->height, Data->iFcode, 0);
1801 :	syskin	601	CheckCandidate = CheckCandidate8_qpel;
1802 :	Isibaar	606	QuarterpelRefine(Data);
1803 :	syskin	601	}
1804 :			pMB->pmvs[block].x = Data->currentQMV->x - Data->predQMV.x;
1805 :			pMB->pmvs[block].y = Data->currentQMV->y - Data->predQMV.y;
1806 :			} else {
1807 :	syskin	594	pMB->pmvs[block].x = Data->currentMV->x - Data->predMV.x;
1808 :			pMB->pmvs[block].y = Data->currentMV->y - Data->predMV.y;
1809 :			}
1810 :
1811 :			pMB->mvs[block] = *(Data->currentMV);
1812 :			pMB->qmvs[block] = *(Data->currentQMV);
1813 :
1814 :			pMB->sad8[block] = 4 * (*Data->iMinSAD);
1815 :	chl	96	}
1816 :
1817 :	chl	530	static void
1818 :			SearchPhinted ( const uint8_t * const pRef,
1819 :	chl	289	const uint8_t * const pRefH,
1820 :			const uint8_t * const pRefV,
1821 :			const uint8_t * const pRefHV,
1822 :			const IMAGE * const pCur,
1823 :			const int x,
1824 :			const int y,
1825 :			const uint32_t MotionFlags,
1826 :			const uint32_t iQuant,
1827 :			const MBParam * const pParam,
1828 :			const MACROBLOCK * const pMBs,
1829 :	chl	530	int inter4v,
1830 :	h	545	MACROBLOCK * const pMB,
1831 :	edgomez	568	SearchData * const Data)
1832 :	chl	289	{
1833 :	chl	530
1834 :	chl	289	const int32_t iEdgedWidth = pParam->edged_width;
1835 :	chl	530
1836 :	edgomez	568	int i, t;
1837 :	chl	530	MainSearchFunc * MainSearchPtr;
1838 :	suxen_drol	118
1839 :	h	545	Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0);
1840 :			get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16,
1841 :	Isibaar	580	pParam->width, pParam->height, Data->iFcode, pParam->m_quarterpel);
1842 :	suxen_drol	118
1843 :	h	545	Data->Cur = pCur->y + (x + y * iEdgedWidth) * 16;
1844 :			Data->Ref = pRef + (x + iEdgedWidthy)16;
1845 :			Data->RefH = pRefH + (x + iEdgedWidthy) 16;
1846 :			Data->RefV = pRefV + (x + iEdgedWidthy) 16;
1847 :			Data->RefHV = pRefHV + (x + iEdgedWidthy) 16;
1848 :	syskin	601	Data->lambda16 = lambda_vec16[iQuant];
1849 :	Isibaar	606	Data->lambda8 = lambda_vec8[iQuant];
1850 :	Isibaar	600
1851 :	chl	530	if (!(MotionFlags & PMV_HALFPEL16)) {
1852 :	h	545	Data->min_dx = EVEN(Data->min_dx);
1853 :			Data->max_dx = EVEN(Data->max_dx);
1854 :			Data->min_dy = EVEN(Data->min_dy);
1855 :			Data->max_dy = EVEN(Data->max_dy);
1856 :	chl	530	}
1857 :	chl	289
1858 :	h	545	for(i = 0; i < 5; i++) Data->iMinSAD[i] = MV_MAX_ERROR;
1859 :	chl	289
1860 :	chl	530	if (pMB->dquant != NO_CHANGE) inter4v = 0;
1861 :	chl	289
1862 :	Isibaar	606	if(pParam->m_quarterpel) CheckCandidate = CheckCandidate16Q;
1863 :			else
1864 :			if (inter4v) CheckCandidate = CheckCandidate16;
1865 :			else CheckCandidate = CheckCandidate16no4v;
1866 :	chl	289
1867 :	chl	530	pMB->mvs[0].x = EVEN(pMB->mvs[0].x);
1868 :			pMB->mvs[0].y = EVEN(pMB->mvs[0].y);
1869 :	h	545	if (pMB->mvs[0].x > Data->max_dx) pMB->mvs[0].x = Data->max_dx; // this is in case iFcode changed
1870 :			if (pMB->mvs[0].x < Data->min_dx) pMB->mvs[0].x = Data->min_dx;
1871 :			if (pMB->mvs[0].y > Data->max_dy) pMB->mvs[0].y = Data->max_dy;
1872 :			if (pMB->mvs[0].y < Data->min_dy) pMB->mvs[0].y = Data->min_dy;
1873 :	chl	370
1874 :	edgomez	568	(*CheckCandidate)(pMB->mvs[0].x, pMB->mvs[0].y, 0, &t, Data);
1875 :	chl	289
1876 :	chl	530	if (pMB->mode == MODE_INTER4V)
1877 :			for (i = 1; i < 4; i++) { // all four vectors will be used as four predictions for 16x16 search
1878 :			pMB->mvs[i].x = EVEN(pMB->mvs[i].x);
1879 :			pMB->mvs[i].y = EVEN(pMB->mvs[i].y);
1880 :			if (!(make_mask(pMB->mvs, i)))
1881 :	edgomez	568	(*CheckCandidate)(pMB->mvs[i].x, pMB->mvs[i].y, 0, &t, Data);
1882 :	chl	289	}
1883 :
1884 :			if (MotionFlags & PMV_USESQUARES16)
1885 :	chl	530	MainSearchPtr = SquareSearch;
1886 :	chl	289	else if (MotionFlags & PMV_ADVANCEDDIAMOND16)
1887 :	chl	530	MainSearchPtr = AdvDiamondSearch;
1888 :			else MainSearchPtr = DiamondSearch;
1889 :	chl	289
1890 :	h	545	(*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, 255);
1891 :	chl	289
1892 :	h	545	if (MotionFlags & PMV_HALFPELREFINE16) HalfpelRefine(Data);
1893 :	chl	289
1894 :	syskin	594	for(i = 0; i < 5; i++) {
1895 :			Data->currentQMV[i].x = 2 * Data->currentMV[i].x; // initialize qpel vectors
1896 :			Data->currentQMV[i].y = 2 * Data->currentMV[i].y;
1897 :			}
1898 :	chl	289
1899 :	syskin	594	if((pParam->m_quarterpel) && (MotionFlags & PMV_QUARTERPELREFINE16)) {
1900 :	Isibaar	606	get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16,
1901 :			pParam->width, pParam->height, Data->iFcode, 0);
1902 :			CheckCandidate = CheckCandidate16_qpel;
1903 :	syskin	594	QuarterpelRefine(Data);
1904 :			}
1905 :
1906 :			if (inter4v) {
1907 :			SearchData Data8;
1908 :			Data8.iFcode = Data->iFcode;
1909 :	Isibaar	606	Data8.lambda8 = Data->lambda8;
1910 :	syskin	594	Data8.iEdgedWidth = Data->iEdgedWidth;
1911 :	Isibaar	606	Data8.RefQ = Data->RefQ;
1912 :	syskin	594	Search8hinted(Data, 2x, 2y, MotionFlags, pParam, pMB, pMBs, 0, &Data8);
1913 :			Search8hinted(Data, 2x + 1, 2y, MotionFlags, pParam, pMB, pMBs, 1, &Data8);
1914 :			Search8hinted(Data, 2x, 2y + 1, MotionFlags, pParam, pMB, pMBs, 2, &Data8);
1915 :			Search8hinted(Data, 2x + 1, 2y + 1, MotionFlags, pParam, pMB, pMBs, 3, &Data8);
1916 :			}
1917 :
1918 :	chl	530	if (!(inter4v) \|\|
1919 :	h	545	(Data->iMinSAD[0] < Data->iMinSAD[1] + Data->iMinSAD[2] + Data->iMinSAD[3] +
1920 :			Data->iMinSAD[4] + IMV16X16 * (int32_t)iQuant )) {
1921 :	chl	530	// INTER MODE
1922 :			pMB->mode = MODE_INTER;
1923 :	Isibaar	539	pMB->mvs[0] = pMB->mvs[1]
1924 :	h	545	= pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0];
1925 :	chl	289
1926 :	Isibaar	606	pMB->qmvs[0] = pMB->qmvs[1]
1927 :			= pMB->qmvs[2] = pMB->qmvs[3] = Data->currentQMV[0];
1928 :
1929 :	chl	530	pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] =
1930 :	h	545	pMB->sad8[2] = pMB->sad8[3] = Data->iMinSAD[0];
1931 :	chl	289
1932 :	Isibaar	606	if(pParam->m_quarterpel) {
1933 :			pMB->pmvs[0].x = Data->currentQMV[0].x - Data->predQMV.x;
1934 :			pMB->pmvs[0].y = Data->currentQMV[0].y - Data->predQMV.y;
1935 :			}
1936 :			else {
1937 :			pMB->pmvs[0].x = Data->currentMV[0].x - Data->predMV.x;
1938 :			pMB->pmvs[0].y = Data->currentMV[0].y - Data->predMV.y;
1939 :			}
1940 :	chl	530	} else {
1941 :			// INTER4V MODE; all other things are already set in Search8hinted
1942 :			pMB->mode = MODE_INTER4V;
1943 :	h	545	pMB->sad16 = Data->iMinSAD[1] + Data->iMinSAD[2] + Data->iMinSAD[3]
1944 :			+ Data->iMinSAD[4] + IMV16X16 * iQuant;
1945 :	chl	289	}
1946 :
1947 :			}
1948 :
1949 :	edgomez	195	void
1950 :	chl	530	MotionEstimationHinted( MBParam * const pParam,
1951 :			FRAMEINFO * const current,
1952 :			FRAMEINFO * const reference,
1953 :			const IMAGE * const pRefH,
1954 :			const IMAGE * const pRefV,
1955 :			const IMAGE * const pRefHV)
1956 :	suxen_drol	118	{
1957 :	chl	530	MACROBLOCK *const pMBs = current->mbs;
1958 :			const IMAGE *const pCurrent = &current->image;
1959 :			const IMAGE *const pRef = &reference->image;
1960 :	suxen_drol	118
1961 :	chl	530	uint32_t x, y;
1962 :	syskin	601	uint8_t * qimage;
1963 :	syskin	574	int32_t temp[5], quant = current->quant;
1964 :	h	545	int32_t iMinSAD[5];
1965 :	Isibaar	606	VECTOR currentMV[5], currentQMV[5];
1966 :	h	545	SearchData Data;
1967 :			Data.iEdgedWidth = pParam->edged_width;
1968 :			Data.currentMV = currentMV;
1969 :	Isibaar	606	Data.currentQMV = currentQMV;
1970 :	h	545	Data.iMinSAD = iMinSAD;
1971 :			Data.temp = temp;
1972 :			Data.iFcode = current->fcode;
1973 :	syskin	594	Data.rounding = pParam->m_rounding_type;
1974 :	h	545
1975 :	syskin	594	if((qimage = (uint8_t ) malloc(32 pParam->edged_width)) == NULL)
1976 :			return; // allocate some mem for qpel interpolated blocks
1977 :			// somehow this is dirty since I think we shouldn't use malloc outside
1978 :			// encoder_create() - so please fix me!
1979 :
1980 :	syskin	601	Data.RefQ = qimage;
1981 :
1982 :	chl	530	if (sadInit) (*sadInit) ();
1983 :	suxen_drol	118
1984 :	chl	530	for (y = 0; y < pParam->mb_height; y++) {
1985 :			for (x = 0; x < pParam->mb_width; x++) {
1986 :	chl	312
1987 :	chl	530	MACROBLOCK pMB = &pMBs[x + y pParam->mb_width];
1988 :	suxen_drol	118
1989 :	chl	530	//intra mode is copied from the first pass. At least for the time being
1990 :			if ((pMB->mode == MODE_INTRA) \|\| (pMB->mode == MODE_NOT_CODED) ) continue;
1991 :	chl	346
1992 :	syskin	574
1993 :	chl	530	if (!(current->global_flags & XVID_LUMIMASKING)) {
1994 :			pMB->dquant = NO_CHANGE;
1995 :			pMB->quant = current->quant; }
1996 :	Isibaar	606	else {
1997 :	syskin	574	if (pMB->dquant != NO_CHANGE) {
1998 :			quant += DQtab[pMB->dquant];
1999 :			if (quant > 31) quant = 31;
2000 :			else if (quant < 1) quant = 1;
2001 :			}
2002 :	Isibaar	606	pMB->quant = quant;
2003 :			}
2004 :	chl	341
2005 :	syskin	601	SearchPhinted(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, x,
2006 :	Isibaar	539	y, current->motion_flags, pMB->quant,
2007 :	h	545	pParam, pMBs, current->global_flags & XVID_INTER4V, pMB,
2008 :			&Data);
2009 :	chl	317
2010 :	Isibaar	539	}
2011 :			}
2012 :	syskin	594	free(qimage);
2013 :	Isibaar	539	}
2014 :	suxen_drol	118
2015 :	Isibaar	539	static __inline int
2016 :			MEanalyzeMB ( const uint8_t * const pRef,
2017 :			const uint8_t * const pCur,
2018 :			const int x,
2019 :			const int y,
2020 :			const MBParam * const pParam,
2021 :			const MACROBLOCK * const pMBs,
2022 :	h	545	MACROBLOCK * const pMB,
2023 :			SearchData * const Data)
2024 :	Isibaar	539	{
2025 :	chl	317
2026 :	Isibaar	606	int i = 255, mask;
2027 :	h	545	VECTOR pmv[3];
2028 :	suxen_drol	118
2029 :	h	545	*(Data->iMinSAD) = MV_MAX_ERROR;
2030 :			Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0);
2031 :			get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16,
2032 :	Isibaar	580	pParam->width, pParam->height, Data->iFcode, pParam->m_quarterpel);
2033 :	chl	326
2034 :	h	545	Data->Cur = pCur + (x + y * pParam->edged_width) * 16;
2035 :			Data->Ref = pRef + (x + y * pParam->edged_width) * 16;
2036 :	Isibaar	539
2037 :			CheckCandidate = CheckCandidate16no4vI;
2038 :	chl	326
2039 :	Isibaar	539	pmv[1].x = EVEN(pMB->mvs[0].x);
2040 :			pmv[1].y = EVEN(pMB->mvs[0].y);
2041 :	h	545	pmv[0].x = EVEN(Data->predMV.x);
2042 :			pmv[0].y = EVEN(Data->predMV.y);
2043 :	Isibaar	539	pmv[2].x = pmv[2].y = 0;
2044 :	chl	326
2045 :	h	545	CheckCandidate16no4vI(pmv[0].x, pmv[0].y, 255, &i, Data);
2046 :	Isibaar	539	if (!(mask = make_mask(pmv, 1)))
2047 :	h	545	CheckCandidate16no4vI(pmv[1].x, pmv[1].y, mask, &i, Data);
2048 :	Isibaar	539	if (!(mask = make_mask(pmv, 2)))
2049 :	h	545	CheckCandidate16no4vI(0, 0, mask, &i, Data);
2050 :	Isibaar	539
2051 :	Isibaar	606	DiamondSearch(Data->currentMV->x, Data->currentMV->y, Data, i);
2052 :	Isibaar	539
2053 :	Isibaar	606	pMB->mvs[0] = *Data->currentMV;
2054 :	Isibaar	539
2055 :	h	545	return *(Data->iMinSAD);
2056 :	Isibaar	539	}
2057 :
2058 :			#define INTRA_THRESH 1350
2059 :			#define INTER_THRESH 900
2060 :
2061 :			int
2062 :			MEanalysis( const IMAGE * const pRef,
2063 :			const IMAGE * const pCurrent,
2064 :			MBParam * const pParam,
2065 :			MACROBLOCK * const pMBs,
2066 :			const uint32_t iFcode)
2067 :			{
2068 :			uint32_t x, y, intra = 0;
2069 :			int sSAD = 0;
2070 :	h	545
2071 :			VECTOR currentMV;
2072 :			int32_t iMinSAD;
2073 :			SearchData Data;
2074 :			Data.iEdgedWidth = pParam->edged_width;
2075 :			Data.currentMV = &currentMV;
2076 :			Data.iMinSAD = &iMinSAD;
2077 :			Data.iFcode = iFcode;
2078 :
2079 :	Isibaar	539	if (sadInit) (*sadInit) ();
2080 :
2081 :	syskin	601	for (y = 1; y < pParam->mb_height-1; y++) {
2082 :			for (x = 1; x < pParam->mb_width-1; x++) {
2083 :	Isibaar	539	int sad, dev;
2084 :			MACROBLOCK pMB = &pMBs[x + y pParam->mb_width];
2085 :
2086 :			sad = MEanalyzeMB(pRef->y, pCurrent->y, x, y,
2087 :	h	545	pParam, pMBs, pMB, &Data);
2088 :	Isibaar	539
2089 :	syskin	601	if (sad > INTRA_THRESH) {
2090 :			dev = dev16(pCurrent->y + (x + y * pParam->edged_width) * 16,
2091 :			pParam->edged_width);
2092 :			if (dev + INTRA_THRESH < sad) intra++;
2093 :			if (intra > (pParam->mb_height-2)*(pParam->mb_width-2)/2) return 2; // I frame
2094 :	Isibaar	539	}
2095 :	syskin	601	sSAD += sad;
2096 :	suxen_drol	118	}
2097 :			}
2098 :	Isibaar	539	sSAD /= (pParam->mb_height-2)*(pParam->mb_width-2);
2099 :			if (sSAD > INTER_THRESH ) return 1; //P frame
2100 :			emms();
2101 :			return 0; // B frame
2102 :
2103 :	suxen_drol	118	}
2104 :	syskin	576
2105 :			int
2106 :			FindFcode( const MBParam * const pParam,
2107 :			const FRAMEINFO * const current)
2108 :			{
2109 :			uint32_t x, y;
2110 :			int max = 0, min = 0, i;
2111 :
2112 :			for (y = 0; y < pParam->mb_height; y++) {
2113 :			for (x = 0; x < pParam->mb_width; x++) {
2114 :
2115 :			MACROBLOCK pMB = &current->mbs[x + y pParam->mb_width];
2116 :			for(i = 0; i < (pMB->mode == MODE_INTER4V ? 4:1); i++) {
2117 :			if (pMB->mvs[i].x > max) max = pMB->mvs[i].x;
2118 :			if (pMB->mvs[i].y > max) max = pMB->mvs[i].y;
2119 :
2120 :			if (pMB->mvs[i].x < min) min = pMB->mvs[i].x;
2121 :			if (pMB->mvs[i].y < min) min = pMB->mvs[i].y;
2122 :			}
2123 :			}
2124 :			}
2125 :
2126 :			min = -min;
2127 :			max += 1;
2128 :			if (min > max) max = min;
2129 :	Isibaar	606	if (pParam->m_quarterpel) max *= 2;
2130 :	syskin	576
2131 :			for (i = 1; (max > 32 << (i - 1)); i++);
2132 :			return i;
2133 :			}
2134 :	chl	619
2135 :
2136 :			/* Global Motion Estimation, (C) 2002 by sysKin */
2137 :			/* calculate global translation from local (halfpel) motion field */
2138 :
2139 :			static VECTOR
2140 :			GlobalMotionEst(const MACROBLOCK * const pMBs, const MBParam * const pParam, const uint32_t iFcode)
2141 :			{
2142 :
2143 :			int count, bestcount = 0;
2144 :			int x, y;
2145 :			VECTOR gmc;
2146 :			int step, min_x, max_x, min_y, max_y;
2147 :			uint32_t mx, my;
2148 :
2149 :			min_x = min_y = -32<<iFcode;
2150 :			max_x = max_y = 32<<iFcode;
2151 :
2152 :			for (step = 32; step >= 2; step /= 2) {
2153 :			bestcount = 0;
2154 :			for (y = min_y; y <= max_y; y += step)
2155 :			for (x = min_x ; x <= max_x; x += step) {
2156 :			count = 0;
2157 :			//for all macroblocks
2158 :			for (my = 1; my < pParam->mb_height-1; my++)
2159 :			for (mx = 1; mx < pParam->mb_width-1; mx++) {
2160 :			const MACROBLOCK pMB = &pMBs[mx + my pParam->mb_width];
2161 :			VECTOR mv;
2162 :
2163 :			if (pMB->mode == MODE_INTRA \|\| pMB->mode == MODE_NOT_CODED)
2164 :			continue;
2165 :
2166 :			mv = pMB->mvs[0];
2167 :			if ( ABS(mv.x - x) <= step && ABS(mv.y - y) <= step ) /* GMC translation is always halfpel-res */
2168 :			count++;
2169 :			}
2170 :			if (count >= bestcount) { bestcount = count; gmc.x = x; gmc.y = y; }
2171 :			}
2172 :			min_x = gmc.x - step;
2173 :			max_x = gmc.x + step;
2174 :			min_y = gmc.y - step;
2175 :			max_y = gmc.y + step;
2176 :
2177 :			}
2178 :			if (pParam->m_quarterpel) {
2179 :			gmc.x *= 2;
2180 :			gmc.y = 2; / we store the halfpel value as pseudo-qpel to make comparison easier */
2181 :			}
2182 :
2183 :			if (bestcount < (pParam->mb_height-2)*(pParam->mb_width-2)/10)
2184 :			gmc.x = gmc.y = 0; //no camara pan, no GMC
2185 :
2186 :			return gmc;
2187 :			}

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