Annotation of /trunk/xvidcore/src/encoder.c

Revision 903 - (view) (download)

1 :	edgomez	194	/*****************************************************************************
2 :	edgomez	145	*
3 :			* XVID MPEG-4 VIDEO CODEC
4 :	edgomez	851	* - Encoder main module -
5 :	edgomez	145	*
6 :	edgomez	851	* 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 :	edgomez	402	*
15 :	edgomez	851	* 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 :	edgomez	145	* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 :			*
29 :	syskin	903	* $Id: encoder.c,v 1.96 2003-03-04 10:55:21 syskin Exp $
30 :	edgomez	405	*
31 :	edgomez	194	****************************************************************************/
32 :	suxen_drol	118
33 :	Isibaar	3	#include <stdlib.h>
34 :			#include <stdio.h>
35 :			#include <math.h>
36 :	edgomez	198	#include <string.h>
37 :	Isibaar	3
38 :			#include "encoder.h"
39 :			#include "prediction/mbprediction.h"
40 :			#include "global.h"
41 :			#include "utils/timer.h"
42 :			#include "image/image.h"
43 :	edgomez	851	#include "image/font.h"
44 :			#include "motion/sad.h"
45 :	suxen_drol	152	#include "motion/motion.h"
46 :	Isibaar	3	#include "bitstream/cbp.h"
47 :			#include "utils/mbfunctions.h"
48 :			#include "bitstream/bitstream.h"
49 :			#include "bitstream/mbcoding.h"
50 :			#include "utils/ratecontrol.h"
51 :			#include "utils/emms.h"
52 :			#include "bitstream/mbcoding.h"
53 :			#include "quant/adapt_quant.h"
54 :	Isibaar	4	#include "quant/quant_matrix.h"
55 :	Isibaar	41	#include "utils/mem_align.h"
56 :	Isibaar	3
57 :	edgomez	194	/*****************************************************************************
58 :			* Local macros
59 :			****************************************************************************/
60 :
61 :	Isibaar	3	#define ENC_CHECK(X) if(!(X)) return XVID_ERR_FORMAT
62 :	syskin	903	#define SWAP(_T_,A,B) { _T_ tmp = A; A = B; B = tmp; }
63 :	Isibaar	3
64 :	edgomez	194	/*****************************************************************************
65 :			* Local function prototypes
66 :			****************************************************************************/
67 :
68 :	edgomez	192	static int FrameCodeI(Encoder * pEnc,
69 :	edgomez	195	Bitstream * bs,
70 :			uint32_t * pBits);
71 :	Isibaar	3
72 :	edgomez	192	static int FrameCodeP(Encoder * pEnc,
73 :	edgomez	195	Bitstream * bs,
74 :			uint32_t * pBits,
75 :			bool force_inter,
76 :			bool vol_header);
77 :	Isibaar	3
78 :	edgomez	851	static void FrameCodeB(Encoder * pEnc,
79 :			FRAMEINFO * frame,
80 :			Bitstream * bs,
81 :			uint32_t * pBits);
82 :
83 :	edgomez	194	/*****************************************************************************
84 :			* Local data
85 :			****************************************************************************/
86 :
87 :	edgomez	195	static int DQtab[4] = {
88 :	Isibaar	3	-1, -2, 1, 2
89 :			};
90 :
91 :	edgomez	195	static int iDQtab[5] = {
92 :	Isibaar	3	1, 0, NO_CHANGE, 2, 3
93 :			};
94 :
95 :
96 :	edgomez	194	/*****************************************************************************
97 :			* Encoder creation
98 :			*
99 :			* This function creates an Encoder instance, it allocates all necessary
100 :	edgomez	851	* image buffers (reference, current and bframes) and initialize the internal
101 :			* xvid encoder paremeters according to the XVID_ENC_PARAM input parameter.
102 :	edgomez	194	*
103 :			* The code seems to be very long but is very basic, mainly memory allocation
104 :			* and cleaning code.
105 :			*
106 :			* Returned values :
107 :	syskin	903	* - XVID_ERR_OK - no errors
108 :			* - XVID_ERR_MEMORY - the libc could not allocate memory, the function
109 :			* cleans the structure before exiting.
110 :			* pParam->handle is also set to NULL.
111 :	edgomez	194	*
112 :			****************************************************************************/
113 :
114 :			int
115 :			encoder_create(XVID_ENC_PARAM * pParam)
116 :	Isibaar	3	{
117 :	edgomez	13	Encoder *pEnc;
118 :	suxen_drol	229	int i;
119 :	edgomez	13	pParam->handle = NULL;
120 :	Isibaar	3
121 :	edgomez	13	ENC_CHECK(pParam);
122 :	Isibaar	3
123 :	edgomez	13	ENC_CHECK(pParam->width > 0 && pParam->width <= 1920);
124 :			ENC_CHECK(pParam->height > 0 && pParam->height <= 1280);
125 :			ENC_CHECK(!(pParam->width % 2));
126 :			ENC_CHECK(!(pParam->height % 2));
127 :	Isibaar	3
128 :	edgomez	192	/* Fps */
129 :
130 :	edgomez	195	if (pParam->fincr <= 0 \|\| pParam->fbase <= 0) {
131 :	Isibaar	3	pParam->fincr = 1;
132 :			pParam->fbase = 25;
133 :			}
134 :
135 :	edgomez	192	/*
136 :			* Simplify the "fincr/fbase" fraction
137 :			* (neccessary, since windows supplies us with huge numbers)
138 :			*/
139 :	Isibaar	3
140 :			i = pParam->fincr;
141 :	edgomez	195	while (i > 1) {
142 :			if (pParam->fincr % i == 0 && pParam->fbase % i == 0) {
143 :	Isibaar	3	pParam->fincr /= i;
144 :			pParam->fbase /= i;
145 :			i = pParam->fincr;
146 :			continue;
147 :			}
148 :			i--;
149 :			}
150 :
151 :	edgomez	195	if (pParam->fbase > 65535) {
152 :			float div = (float) pParam->fbase / 65535;
153 :
154 :			pParam->fbase = (int) (pParam->fbase / div);
155 :			pParam->fincr = (int) (pParam->fincr / div);
156 :	Isibaar	3	}
157 :
158 :	edgomez	192	/* Bitrate allocator defaults */
159 :
160 :	h	121	if (pParam->rc_bitrate <= 0)
161 :			pParam->rc_bitrate = 900000;
162 :	Isibaar	3
163 :	h	121	if (pParam->rc_reaction_delay_factor <= 0)
164 :			pParam->rc_reaction_delay_factor = 16;
165 :	Isibaar	3
166 :	h	121	if (pParam->rc_averaging_period <= 0)
167 :			pParam->rc_averaging_period = 100;
168 :
169 :			if (pParam->rc_buffer <= 0)
170 :			pParam->rc_buffer = 100;
171 :
172 :	edgomez	192	/* Max and min quantizers */
173 :
174 :	edgomez	13	if ((pParam->min_quantizer <= 0) \|\| (pParam->min_quantizer > 31))
175 :	Isibaar	3	pParam->min_quantizer = 1;
176 :
177 :	edgomez	13	if ((pParam->max_quantizer <= 0) \|\| (pParam->max_quantizer > 31))
178 :	Isibaar	3	pParam->max_quantizer = 31;
179 :
180 :	edgomez	13	if (pParam->max_quantizer < pParam->min_quantizer)
181 :	Isibaar	3	pParam->max_quantizer = pParam->min_quantizer;
182 :
183 :	edgomez	195	/* 1 keyframe each 10 seconds */
184 :	edgomez	192
185 :	edgomez	325	if (pParam->max_key_interval <= 0)
186 :	edgomez	192	pParam->max_key_interval = 10 * pParam->fincr / pParam->fbase;
187 :
188 :			pEnc = (Encoder *) xvid_malloc(sizeof(Encoder), CACHE_LINE);
189 :			if (pEnc == NULL)
190 :	Isibaar	3	return XVID_ERR_MEMORY;
191 :
192 :	edgomez	198	/* Zero the Encoder Structure */
193 :
194 :			memset(pEnc, 0, sizeof(Encoder));
195 :
196 :	Isibaar	3	/* Fill members of Encoder structure */
197 :
198 :	edgomez	13	pEnc->mbParam.width = pParam->width;
199 :			pEnc->mbParam.height = pParam->height;
200 :	Isibaar	3
201 :			pEnc->mbParam.mb_width = (pEnc->mbParam.width + 15) / 16;
202 :			pEnc->mbParam.mb_height = (pEnc->mbParam.height + 15) / 16;
203 :
204 :	edgomez	195	pEnc->mbParam.edged_width = 16 * pEnc->mbParam.mb_width + 2 * EDGE_SIZE;
205 :			pEnc->mbParam.edged_height = 16 * pEnc->mbParam.mb_height + 2 * EDGE_SIZE;
206 :	Isibaar	3
207 :	suxen_drol	152	pEnc->mbParam.fbase = pParam->fbase;
208 :			pEnc->mbParam.fincr = pParam->fincr;
209 :
210 :	Isibaar	208	pEnc->mbParam.m_quant_type = H263_QUANT;
211 :
212 :	edgomez	851	pEnc->fMvPrevSigma = -1;
213 :	Isibaar	3
214 :			/* Fill rate control parameters */
215 :
216 :	h	121	pEnc->bitrate = pParam->rc_bitrate;
217 :	Isibaar	3
218 :	edgomez	851	pEnc->iFrameNum = -1;
219 :			pEnc->mbParam.iMaxKeyInterval = pParam->max_key_interval;
220 :	Isibaar	3
221 :	suxen_drol	136	/* try to allocate frame memory */
222 :	Isibaar	3
223 :	edgomez	192	pEnc->current = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE);
224 :			pEnc->reference = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE);
225 :	Isibaar	3
226 :	edgomez	195	if (pEnc->current == NULL \|\| pEnc->reference == NULL)
227 :	edgomez	192	goto xvid_err_memory1;
228 :
229 :	suxen_drol	136	/* try to allocate mb memory */
230 :	Isibaar	3
231 :	edgomez	195	pEnc->current->mbs =
232 :			xvid_malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width *
233 :			pEnc->mbParam.mb_height, CACHE_LINE);
234 :			pEnc->reference->mbs =
235 :			xvid_malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width *
236 :			pEnc->mbParam.mb_height, CACHE_LINE);
237 :	suxen_drol	136
238 :	edgomez	192	if (pEnc->current->mbs == NULL \|\| pEnc->reference->mbs == NULL)
239 :			goto xvid_err_memory2;
240 :	suxen_drol	136
241 :			/* try to allocate image memory */
242 :
243 :	edgomez	851	if (pParam->global & XVID_GLOBAL_EXTRASTATS)
244 :			image_null(&pEnc->sOriginal);
245 :
246 :			image_null(&pEnc->f_refh);
247 :			image_null(&pEnc->f_refv);
248 :			image_null(&pEnc->f_refhv);
249 :
250 :	suxen_drol	136	image_null(&pEnc->current->image);
251 :			image_null(&pEnc->reference->image);
252 :			image_null(&pEnc->vInterH);
253 :			image_null(&pEnc->vInterV);
254 :	edgomez	851	image_null(&pEnc->vInterVf);
255 :	suxen_drol	136	image_null(&pEnc->vInterHV);
256 :	edgomez	851	image_null(&pEnc->vInterHVf);
257 :	edgomez	192
258 :	edgomez	851	if (pParam->global & XVID_GLOBAL_EXTRASTATS)
259 :			{ if (image_create
260 :			(&pEnc->sOriginal, pEnc->mbParam.edged_width,
261 :			pEnc->mbParam.edged_height) < 0)
262 :			goto xvid_err_memory3;
263 :			}
264 :
265 :	edgomez	195	if (image_create
266 :	edgomez	851	(&pEnc->f_refh, pEnc->mbParam.edged_width,
267 :	edgomez	195	pEnc->mbParam.edged_height) < 0)
268 :	edgomez	192	goto xvid_err_memory3;
269 :	edgomez	195	if (image_create
270 :	edgomez	851	(&pEnc->f_refv, pEnc->mbParam.edged_width,
271 :			pEnc->mbParam.edged_height) < 0)
272 :			goto xvid_err_memory3;
273 :			if (image_create
274 :			(&pEnc->f_refhv, pEnc->mbParam.edged_width,
275 :			pEnc->mbParam.edged_height) < 0)
276 :			goto xvid_err_memory3;
277 :
278 :			if (image_create
279 :	edgomez	195	(&pEnc->current->image, pEnc->mbParam.edged_width,
280 :			pEnc->mbParam.edged_height) < 0)
281 :	edgomez	192	goto xvid_err_memory3;
282 :	edgomez	195	if (image_create
283 :			(&pEnc->reference->image, pEnc->mbParam.edged_width,
284 :			pEnc->mbParam.edged_height) < 0)
285 :	edgomez	192	goto xvid_err_memory3;
286 :	edgomez	195	if (image_create
287 :			(&pEnc->vInterH, pEnc->mbParam.edged_width,
288 :			pEnc->mbParam.edged_height) < 0)
289 :	edgomez	192	goto xvid_err_memory3;
290 :	edgomez	195	if (image_create
291 :			(&pEnc->vInterV, pEnc->mbParam.edged_width,
292 :			pEnc->mbParam.edged_height) < 0)
293 :	edgomez	192	goto xvid_err_memory3;
294 :	edgomez	195	if (image_create
295 :	edgomez	851	(&pEnc->vInterVf, pEnc->mbParam.edged_width,
296 :			pEnc->mbParam.edged_height) < 0)
297 :			goto xvid_err_memory3;
298 :			if (image_create
299 :	edgomez	195	(&pEnc->vInterHV, pEnc->mbParam.edged_width,
300 :			pEnc->mbParam.edged_height) < 0)
301 :	edgomez	192	goto xvid_err_memory3;
302 :	edgomez	851	if (image_create
303 :			(&pEnc->vInterHVf, pEnc->mbParam.edged_width,
304 :			pEnc->mbParam.edged_height) < 0)
305 :			goto xvid_err_memory3;
306 :	suxen_drol	136
307 :	edgomez	851	/* Create full bitplane for GMC, this might be wasteful */
308 :			if (image_create
309 :			(&pEnc->vGMC, pEnc->mbParam.edged_width,
310 :			pEnc->mbParam.edged_height) < 0)
311 :			goto xvid_err_memory3;
312 :
313 :
314 :
315 :			pEnc->mbParam.global = pParam->global;
316 :
317 :			/* B Frames specific init */
318 :			pEnc->mbParam.max_bframes = pParam->max_bframes;
319 :			pEnc->mbParam.bquant_ratio = pParam->bquant_ratio;
320 :			pEnc->mbParam.bquant_offset = pParam->bquant_offset;
321 :			pEnc->mbParam.frame_drop_ratio = pParam->frame_drop_ratio;
322 :			pEnc->bframes = NULL;
323 :
324 :			if (pEnc->mbParam.max_bframes > 0) {
325 :			int n;
326 :
327 :			pEnc->bframes =
328 :			xvid_malloc(pEnc->mbParam.max_bframes * sizeof(FRAMEINFO *),
329 :			CACHE_LINE);
330 :
331 :			if (pEnc->bframes == NULL)
332 :			goto xvid_err_memory3;
333 :
334 :			for (n = 0; n < pEnc->mbParam.max_bframes; n++)
335 :			pEnc->bframes[n] = NULL;
336 :
337 :
338 :			for (n = 0; n < pEnc->mbParam.max_bframes; n++) {
339 :			pEnc->bframes[n] = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE);
340 :
341 :			if (pEnc->bframes[n] == NULL)
342 :			goto xvid_err_memory4;
343 :
344 :			pEnc->bframes[n]->mbs =
345 :			xvid_malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width *
346 :			pEnc->mbParam.mb_height, CACHE_LINE);
347 :
348 :			if (pEnc->bframes[n]->mbs == NULL)
349 :			goto xvid_err_memory4;
350 :
351 :			image_null(&pEnc->bframes[n]->image);
352 :
353 :			if (image_create
354 :			(&pEnc->bframes[n]->image, pEnc->mbParam.edged_width,
355 :			pEnc->mbParam.edged_height) < 0)
356 :			goto xvid_err_memory4;
357 :
358 :			}
359 :			}
360 :
361 :			pEnc->bframenum_head = 0;
362 :			pEnc->bframenum_tail = 0;
363 :			pEnc->flush_bframes = 0;
364 :			pEnc->bframenum_dx50bvop = -1;
365 :
366 :			pEnc->queue = NULL;
367 :
368 :			if (pEnc->mbParam.max_bframes > 0) {
369 :			int n;
370 :
371 :			pEnc->queue =
372 :			xvid_malloc(pEnc->mbParam.max_bframes * sizeof(IMAGE),
373 :			CACHE_LINE);
374 :
375 :			if (pEnc->queue == NULL)
376 :			goto xvid_err_memory4;
377 :
378 :			for (n = 0; n < pEnc->mbParam.max_bframes; n++)
379 :			image_null(&pEnc->queue[n]);
380 :
381 :			for (n = 0; n < pEnc->mbParam.max_bframes; n++) {
382 :			if (image_create
383 :			(&pEnc->queue[n], pEnc->mbParam.edged_width,
384 :			pEnc->mbParam.edged_height) < 0)
385 :			goto xvid_err_memory5;
386 :
387 :			}
388 :			}
389 :
390 :			pEnc->queue_head = 0;
391 :			pEnc->queue_tail = 0;
392 :			pEnc->queue_size = 0;
393 :
394 :			pEnc->mbParam.m_stamp = 0;
395 :
396 :			pEnc->m_framenum = 0;
397 :			pEnc->current->stamp = 0;
398 :			pEnc->reference->stamp = 0;
399 :
400 :	edgomez	195	pParam->handle = (void *) pEnc;
401 :	Isibaar	3
402 :	edgomez	195	if (pParam->rc_bitrate) {
403 :			RateControlInit(&pEnc->rate_control, pParam->rc_bitrate,
404 :			pParam->rc_reaction_delay_factor,
405 :			pParam->rc_averaging_period, pParam->rc_buffer,
406 :			pParam->fbase * 1000 / pParam->fincr,
407 :			pParam->max_quantizer, pParam->min_quantizer);
408 :	Isibaar	3	}
409 :
410 :	Isibaar	36	init_timer();
411 :	Isibaar	3
412 :			return XVID_ERR_OK;
413 :	edgomez	192
414 :			/*
415 :			* We handle all XVID_ERR_MEMORY here, this makes the code lighter
416 :			*/
417 :	suxen_drol	229
418 :	edgomez	851	xvid_err_memory5:
419 :
420 :			if (pEnc->mbParam.max_bframes > 0) {
421 :
422 :			for (i = 0; i < pEnc->mbParam.max_bframes; i++) {
423 :			image_destroy(&pEnc->queue[i], pEnc->mbParam.edged_width,
424 :			pEnc->mbParam.edged_height);
425 :			}
426 :			xvid_free(pEnc->queue);
427 :			}
428 :
429 :			xvid_err_memory4:
430 :
431 :			if (pEnc->mbParam.max_bframes > 0) {
432 :
433 :			for (i = 0; i < pEnc->mbParam.max_bframes; i++) {
434 :
435 :			if (pEnc->bframes[i] == NULL)
436 :			continue;
437 :
438 :			image_destroy(&pEnc->bframes[i]->image, pEnc->mbParam.edged_width,
439 :			pEnc->mbParam.edged_height);
440 :	syskin	903
441 :	edgomez	851	xvid_free(pEnc->bframes[i]->mbs);
442 :	syskin	903
443 :	edgomez	851	xvid_free(pEnc->bframes[i]);
444 :
445 :	syskin	903	}
446 :	edgomez	851
447 :			xvid_free(pEnc->bframes);
448 :			}
449 :
450 :	edgomez	195	xvid_err_memory3:
451 :	edgomez	851
452 :			if (pEnc->mbParam.global & XVID_GLOBAL_EXTRASTATS)
453 :			{ image_destroy(&pEnc->sOriginal, pEnc->mbParam.edged_width,
454 :			pEnc->mbParam.edged_height);
455 :			}
456 :
457 :			image_destroy(&pEnc->f_refh, pEnc->mbParam.edged_width,
458 :	edgomez	195	pEnc->mbParam.edged_height);
459 :	edgomez	851	image_destroy(&pEnc->f_refv, pEnc->mbParam.edged_width,
460 :			pEnc->mbParam.edged_height);
461 :			image_destroy(&pEnc->f_refhv, pEnc->mbParam.edged_width,
462 :			pEnc->mbParam.edged_height);
463 :	edgomez	192
464 :	edgomez	195	image_destroy(&pEnc->current->image, pEnc->mbParam.edged_width,
465 :			pEnc->mbParam.edged_height);
466 :			image_destroy(&pEnc->reference->image, pEnc->mbParam.edged_width,
467 :			pEnc->mbParam.edged_height);
468 :			image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width,
469 :			pEnc->mbParam.edged_height);
470 :			image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width,
471 :			pEnc->mbParam.edged_height);
472 :	edgomez	851	image_destroy(&pEnc->vInterVf, pEnc->mbParam.edged_width,
473 :			pEnc->mbParam.edged_height);
474 :	edgomez	195	image_destroy(&pEnc->vInterHV, pEnc->mbParam.edged_width,
475 :			pEnc->mbParam.edged_height);
476 :	edgomez	851	image_destroy(&pEnc->vInterHVf, pEnc->mbParam.edged_width,
477 :			pEnc->mbParam.edged_height);
478 :	edgomez	192
479 :	edgomez	851	/* destroy GMC image */
480 :			image_destroy(&pEnc->vGMC, pEnc->mbParam.edged_width,
481 :			pEnc->mbParam.edged_height);
482 :
483 :
484 :	edgomez	195	xvid_err_memory2:
485 :	edgomez	192	xvid_free(pEnc->current->mbs);
486 :			xvid_free(pEnc->reference->mbs);
487 :
488 :	edgomez	195	xvid_err_memory1:
489 :	edgomez	192	xvid_free(pEnc->current);
490 :			xvid_free(pEnc->reference);
491 :			xvid_free(pEnc);
492 :
493 :	edgomez	194	pParam->handle = NULL;
494 :
495 :	edgomez	192	return XVID_ERR_MEMORY;
496 :	Isibaar	3	}
497 :
498 :	edgomez	194	/*****************************************************************************
499 :			* Encoder destruction
500 :			*
501 :			* This function destroy the entire encoder structure created by a previous
502 :			* successful encoder_create call.
503 :			*
504 :			* Returned values (for now only one returned value) :
505 :	syskin	903	* - XVID_ERR_OK - no errors
506 :	edgomez	194	*
507 :			****************************************************************************/
508 :
509 :			int
510 :			encoder_destroy(Encoder * pEnc)
511 :	Isibaar	3	{
512 :	edgomez	851	int i;
513 :	syskin	903
514 :	edgomez	13	ENC_CHECK(pEnc);
515 :	Isibaar	3
516 :	edgomez	851	/* B Frames specific */
517 :			if (pEnc->mbParam.max_bframes > 0) {
518 :
519 :			for (i = 0; i < pEnc->mbParam.max_bframes; i++) {
520 :	syskin	903
521 :	edgomez	851	image_destroy(&pEnc->queue[i], pEnc->mbParam.edged_width,
522 :			pEnc->mbParam.edged_height);
523 :			}
524 :			xvid_free(pEnc->queue);
525 :			}
526 :
527 :			if (pEnc->mbParam.max_bframes > 0) {
528 :
529 :			for (i = 0; i < pEnc->mbParam.max_bframes; i++) {
530 :
531 :			if (pEnc->bframes[i] == NULL)
532 :			continue;
533 :
534 :			image_destroy(&pEnc->bframes[i]->image, pEnc->mbParam.edged_width,
535 :			pEnc->mbParam.edged_height);
536 :
537 :			xvid_free(pEnc->bframes[i]->mbs);
538 :
539 :			xvid_free(pEnc->bframes[i]);
540 :			}
541 :
542 :			xvid_free(pEnc->bframes);
543 :	syskin	903
544 :	edgomez	851	}
545 :
546 :	edgomez	192	/* All images, reference, current etc ... */
547 :	edgomez	851
548 :	edgomez	195	image_destroy(&pEnc->current->image, pEnc->mbParam.edged_width,
549 :			pEnc->mbParam.edged_height);
550 :			image_destroy(&pEnc->reference->image, pEnc->mbParam.edged_width,
551 :			pEnc->mbParam.edged_height);
552 :			image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width,
553 :			pEnc->mbParam.edged_height);
554 :			image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width,
555 :			pEnc->mbParam.edged_height);
556 :	edgomez	851	image_destroy(&pEnc->vInterVf, pEnc->mbParam.edged_width,
557 :			pEnc->mbParam.edged_height);
558 :	edgomez	195	image_destroy(&pEnc->vInterHV, pEnc->mbParam.edged_width,
559 :			pEnc->mbParam.edged_height);
560 :	edgomez	851	image_destroy(&pEnc->vInterHVf, pEnc->mbParam.edged_width,
561 :			pEnc->mbParam.edged_height);
562 :	edgomez	403
563 :	edgomez	851	image_destroy(&pEnc->f_refh, pEnc->mbParam.edged_width,
564 :	edgomez	195	pEnc->mbParam.edged_height);
565 :	edgomez	851	image_destroy(&pEnc->f_refv, pEnc->mbParam.edged_width,
566 :			pEnc->mbParam.edged_height);
567 :			image_destroy(&pEnc->f_refhv, pEnc->mbParam.edged_width,
568 :			pEnc->mbParam.edged_height);
569 :	edgomez	192
570 :	edgomez	851	if (pEnc->mbParam.global & XVID_GLOBAL_EXTRASTATS)
571 :			{ image_destroy(&pEnc->sOriginal, pEnc->mbParam.edged_width,
572 :			pEnc->mbParam.edged_height);
573 :			}
574 :
575 :	edgomez	192	/* Encoder structure */
576 :	edgomez	851
577 :	suxen_drol	136	xvid_free(pEnc->current->mbs);
578 :			xvid_free(pEnc->current);
579 :
580 :			xvid_free(pEnc->reference->mbs);
581 :			xvid_free(pEnc->reference);
582 :
583 :	Isibaar	41	xvid_free(pEnc);
584 :	edgomez	192
585 :	edgomez	13	return XVID_ERR_OK;
586 :	Isibaar	3	}
587 :
588 :	suxen_drol	229
589 :	edgomez	851	static __inline void inc_frame_num(Encoder * pEnc)
590 :	suxen_drol	229	{
591 :	edgomez	867	pEnc->current->stamp = pEnc->mbParam.m_stamp; /* first frame is zero */
592 :	edgomez	851	pEnc->mbParam.m_stamp += pEnc->mbParam.fincr;
593 :	chl	387	}
594 :	suxen_drol	229
595 :	edgomez	851
596 :			static __inline void
597 :			queue_image(Encoder * pEnc, XVID_ENC_FRAME * pFrame)
598 :			{
599 :			if (pEnc->queue_size >= pEnc->mbParam.max_bframes)
600 :			{
601 :			DPRINTF(DPRINTF_DEBUG,"FATAL: QUEUE FULL");
602 :			return;
603 :			}
604 :
605 :			DPRINTF(DPRINTF_DEBUG,"*** QUEUE bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
606 :			pEnc->bframenum_head, pEnc->bframenum_tail,
607 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
608 :
609 :
610 :			start_timer();
611 :			if (image_input
612 :			(&pEnc->queue[pEnc->queue_tail], pEnc->mbParam.width, pEnc->mbParam.height,
613 :			pEnc->mbParam.edged_width, pFrame->image, pFrame->stride, pFrame->colorspace, pFrame->general & XVID_INTERLACING))
614 :			return;
615 :			stop_conv_timer();
616 :
617 :	edgomez	853	if ((pFrame->general & XVID_CHROMAOPT)) {
618 :	syskin	903	image_chroma_optimize(&pEnc->queue[pEnc->queue_tail],
619 :	edgomez	853	pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width);
620 :			}
621 :
622 :	edgomez	851	pEnc->queue_size++;
623 :			pEnc->queue_tail = (pEnc->queue_tail + 1) % pEnc->mbParam.max_bframes;
624 :			}
625 :
626 :	syskin	903	static __inline void
627 :	edgomez	851	set_timecodes(FRAMEINFO* pCur,FRAMEINFO *pRef, int32_t time_base)
628 :			{
629 :
630 :			pCur->ticks = (int32_t)pCur->stamp % time_base;
631 :			pCur->seconds = ((int32_t)pCur->stamp / time_base) - ((int32_t)pRef->stamp / time_base) ;
632 :	syskin	903
633 :	edgomez	867	/* HEAVY DEBUG OUTPUT remove when timecodes prove to be stable */
634 :	edgomez	851
635 :			/* fprintf(stderr,"WriteVop: %d - %d \n",
636 :			((int32_t)pCur->stamp / time_base), ((int32_t)pRef->stamp / time_base));
637 :			fprintf(stderr,"set_timecodes: VOP %1d stamp=%lld ref_stamp=%lld base=%d\n",
638 :			pCur->coding_type, pCur->stamp, pRef->stamp, time_base);
639 :			fprintf(stderr,"set_timecodes: VOP %1d seconds=%d ticks=%d (ref-sec=%d ref-tick=%d)\n",
640 :			pCur->coding_type, pCur->seconds, pCur->ticks, pRef->seconds, pRef->ticks);
641 :
642 :			*/
643 :			}
644 :
645 :
646 :
647 :			/* convert pFrame->intra to coding_type */
648 :			static int intra2coding_type(int intra)
649 :			{
650 :			if (intra < 0) return -1;
651 :			if (intra == 1) return I_VOP;
652 :			if (intra == 2) return B_VOP;
653 :
654 :			return P_VOP;
655 :			}
656 :
657 :
658 :
659 :	edgomez	194	/*****************************************************************************
660 :	edgomez	851	* IPB frame encoder entry point
661 :			*
662 :			* Returned values :
663 :	syskin	903	* - XVID_ERR_OK - no errors
664 :			* - XVID_ERR_FORMAT - the image subsystem reported the image had a wrong
665 :			* format
666 :	edgomez	851	****************************************************************************/
667 :
668 :			int
669 :			encoder_encode_bframes(Encoder * pEnc,
670 :	syskin	903	XVID_ENC_FRAME * pFrame,
671 :			XVID_ENC_STATS * pResult)
672 :	edgomez	851	{
673 :			uint16_t x, y;
674 :			Bitstream bs;
675 :			uint32_t bits;
676 :	edgomez	875	int mode = -1; /* Just to shut up compiler warning */
677 :	edgomez	851
678 :			int input_valid = 1;
679 :			int bframes_count = 0;
680 :
681 :			ENC_CHECK(pEnc);
682 :			ENC_CHECK(pFrame);
683 :			ENC_CHECK(pFrame->image);
684 :
685 :			start_global_timer();
686 :
687 :			BitstreamInit(&bs, pFrame->bitstream, 0);
688 :
689 :			ipvop_loop:
690 :
691 :			/*
692 :			* bframe "flush" code
693 :			*/
694 :
695 :			if ((pFrame->image == NULL \|\| pEnc->flush_bframes)
696 :			&& (pEnc->bframenum_head < pEnc->bframenum_tail)) {
697 :
698 :			if (pEnc->flush_bframes == 0) {
699 :			/*
700 :			* we have reached the end of stream without getting
701 :			* a future reference frame... so encode last final
702 :			* frame as a pframe
703 :			*/
704 :
705 :			DPRINTF(DPRINTF_DEBUG,"*** BFRAME (final frame) bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
706 :			pEnc->bframenum_head, pEnc->bframenum_tail,
707 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
708 :
709 :			pEnc->bframenum_tail--;
710 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->reference);
711 :
712 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->bframes[pEnc->bframenum_tail]);
713 :
714 :			FrameCodeP(pEnc, &bs, &bits, 1, 0);
715 :			bframes_count = 0;
716 :
717 :			BitstreamPadAlways(&bs);
718 :			pFrame->length = BitstreamLength(&bs);
719 :			pFrame->intra = 0;
720 :
721 :
722 :			emms();
723 :
724 :			if (pResult) {
725 :			pResult->quant = pEnc->current->quant;
726 :			pResult->hlength = pFrame->length - (pEnc->current->sStat.iTextBits / 8);
727 :			pResult->kblks = pEnc->current->sStat.kblks;
728 :			pResult->mblks = pEnc->current->sStat.mblks;
729 :			pResult->ublks = pEnc->current->sStat.ublks;
730 :			}
731 :
732 :			return XVID_ERR_OK;
733 :			}
734 :
735 :	syskin	903
736 :	edgomez	851	DPRINTF(DPRINTF_DEBUG,"*** BFRAME (flush) bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
737 :			pEnc->bframenum_head, pEnc->bframenum_tail,
738 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
739 :
740 :			FrameCodeB(pEnc, pEnc->bframes[pEnc->bframenum_head], &bs, &bits);
741 :			pEnc->bframenum_head++;
742 :
743 :			BitstreamPadAlways(&bs);
744 :			pFrame->length = BitstreamLength(&bs);
745 :			pFrame->intra = 2;
746 :
747 :			if (pResult) {
748 :			pResult->quant = pEnc->current->quant;
749 :			pResult->hlength = pFrame->length - (pEnc->current->sStat.iTextBits / 8);
750 :			pResult->kblks = pEnc->current->sStat.kblks;
751 :			pResult->mblks = pEnc->current->sStat.mblks;
752 :			pResult->ublks = pEnc->current->sStat.ublks;
753 :			}
754 :
755 :			if (input_valid)
756 :			queue_image(pEnc, pFrame);
757 :
758 :			emms();
759 :
760 :			return XVID_ERR_OK;
761 :			}
762 :
763 :			if (pEnc->bframenum_head > 0) {
764 :			pEnc->bframenum_head = pEnc->bframenum_tail = 0;
765 :
766 :			/* write an empty marker to the bitstream.
767 :			for divx5 decoder compatibility, this marker must consist
768 :	syskin	903	of a not-coded p-vop, with a time_base of zero, and time_increment
769 :	edgomez	851	indentical to the future-referece frame.
770 :			*/
771 :
772 :			if ((pEnc->mbParam.global & XVID_GLOBAL_PACKED)) {
773 :			int tmp;
774 :	syskin	903
775 :	edgomez	851	DPRINTF(DPRINTF_DEBUG,"*** EMPTY bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
776 :			pEnc->bframenum_head, pEnc->bframenum_tail,
777 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
778 :
779 :			tmp = pEnc->current->seconds;
780 :			pEnc->current->seconds = 0; /* force time_base = 0 */
781 :
782 :			BitstreamWriteVopHeader(&bs, &pEnc->mbParam, pEnc->current, 0);
783 :			pEnc->current->seconds = tmp;
784 :
785 :			BitstreamPadAlways(&bs);
786 :			pFrame->length = BitstreamLength(&bs);
787 :			pFrame->intra = 4;
788 :
789 :			if (pResult) {
790 :			pResult->quant = pEnc->current->quant;
791 :			pResult->hlength = pFrame->length - (pEnc->current->sStat.iTextBits / 8);
792 :			pResult->kblks = pEnc->current->sStat.kblks;
793 :			pResult->mblks = pEnc->current->sStat.mblks;
794 :			pResult->ublks = pEnc->current->sStat.ublks;
795 :			}
796 :
797 :			if (input_valid)
798 :			queue_image(pEnc, pFrame);
799 :
800 :			emms();
801 :
802 :			return XVID_ERR_OK;
803 :			}
804 :			}
805 :
806 :
807 :			bvop_loop:
808 :
809 :			if (pEnc->bframenum_dx50bvop != -1)
810 :			{
811 :
812 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->reference);
813 :	syskin	903	SWAP(FRAMEINFO *, pEnc->current, pEnc->bframes[pEnc->bframenum_dx50bvop]);
814 :	edgomez	851
815 :			if ((pEnc->mbParam.global & XVID_GLOBAL_DEBUG)) {
816 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 100, "DX50 IVOP");
817 :			}
818 :
819 :			if (input_valid)
820 :			{
821 :			queue_image(pEnc, pFrame);
822 :			input_valid = 0;
823 :			}
824 :
825 :			} else if (input_valid) {
826 :
827 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->reference);
828 :
829 :			start_timer();
830 :			if (image_input
831 :			(&pEnc->current->image, pEnc->mbParam.width, pEnc->mbParam.height,
832 :			pEnc->mbParam.edged_width, pFrame->image, pFrame->stride, pFrame->colorspace, pFrame->general & XVID_INTERLACING))
833 :			{
834 :			emms();
835 :			return XVID_ERR_FORMAT;
836 :			}
837 :			stop_conv_timer();
838 :
839 :	edgomez	853	if ((pFrame->general & XVID_CHROMAOPT)) {
840 :	syskin	903	image_chroma_optimize(&pEnc->current->image,
841 :	edgomez	853	pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width);
842 :			}
843 :
844 :	edgomez	867	/* queue input frame, and dequue next image */
845 :	edgomez	851	if (pEnc->queue_size > 0)
846 :			{
847 :			image_swap(&pEnc->current->image, &pEnc->queue[pEnc->queue_tail]);
848 :			if (pEnc->queue_head != pEnc->queue_tail)
849 :			{
850 :			image_swap(&pEnc->current->image, &pEnc->queue[pEnc->queue_head]);
851 :			}
852 :			pEnc->queue_head = (pEnc->queue_head + 1) % pEnc->mbParam.max_bframes;
853 :			pEnc->queue_tail = (pEnc->queue_tail + 1) % pEnc->mbParam.max_bframes;
854 :			}
855 :
856 :			} else if (pEnc->queue_size > 0) {
857 :	syskin	903
858 :	edgomez	851	SWAP(FRAMEINFO *, pEnc->current, pEnc->reference);
859 :
860 :			image_swap(&pEnc->current->image, &pEnc->queue[pEnc->queue_head]);
861 :			pEnc->queue_head = (pEnc->queue_head + 1) % pEnc->mbParam.max_bframes;
862 :			pEnc->queue_size--;
863 :
864 :			} else {
865 :
866 :			/* if nothing was encoded, write an 'ignore this frame' flag
867 :			to the bitstream */
868 :
869 :			if (BitstreamPos(&bs) == 0) {
870 :
871 :			DPRINTF(DPRINTF_DEBUG,"*** SKIP bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
872 :			pEnc->bframenum_head, pEnc->bframenum_tail,
873 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
874 :
875 :	edgomez	867	/* That disabled line of code was supposed to inform VirtualDub
876 :			* that the frame was a dummy delay frame - now disabled (thx god :-)
877 :			*/
878 :	syskin	903	//BitstreamPutBits(&bs, 0x7f, 8);
879 :	edgomez	851	pFrame->intra = 5;
880 :
881 :			if (pResult) {
882 :			/*
883 :			* We must decide what to put there because i know some apps
884 :			* are storing statistics about quantizers and just do
885 :			* stats[quant]++ or stats[quant-1]++
886 :			* transcode is one of these app with its 2pass module
887 :			*/
888 :
889 :			/*
890 :			* For now i prefer 31 than 0 that could lead to a segfault
891 :			* in transcode
892 :			*/
893 :			pResult->quant = 31;
894 :
895 :			pResult->hlength = 0;
896 :			pResult->kblks = 0;
897 :			pResult->mblks = 0;
898 :			pResult->ublks = 0;
899 :			}
900 :			} else {
901 :
902 :			if (pResult) {
903 :			pResult->quant = pEnc->current->quant;
904 :			pResult->hlength = pFrame->length - (pEnc->current->sStat.iTextBits / 8);
905 :			pResult->kblks = pEnc->current->sStat.kblks;
906 :			pResult->mblks = pEnc->current->sStat.mblks;
907 :			pResult->ublks = pEnc->current->sStat.ublks;
908 :			}
909 :
910 :			}
911 :
912 :			pFrame->length = BitstreamLength(&bs);
913 :
914 :			emms();
915 :
916 :			return XVID_ERR_OK;
917 :			}
918 :
919 :			pEnc->flush_bframes = 0;
920 :
921 :			emms();
922 :
923 :	edgomez	867	/* only inc frame num, adapt quant, etc. if we havent seen it before */
924 :	edgomez	851	if (pEnc->bframenum_dx50bvop < 0 )
925 :			{
926 :			mode = intra2coding_type(pFrame->intra);
927 :			if (pFrame->quant == 0)
928 :			pEnc->current->quant = RateControlGetQ(&pEnc->rate_control, 0);
929 :			else
930 :			pEnc->current->quant = pFrame->quant;
931 :
932 :			/* if (pEnc->current->quant < 1)
933 :			pEnc->current->quant = 1;
934 :
935 :			if (pEnc->current->quant > 31)
936 :			pEnc->current->quant = 31;
937 :			*/
938 :			pEnc->current->global_flags = pFrame->general;
939 :			pEnc->current->motion_flags = pFrame->motion;
940 :
941 :			/* ToDo : dynamic fcode (in both directions) */
942 :			pEnc->current->fcode = pEnc->mbParam.m_fcode;
943 :			pEnc->current->bcode = pEnc->mbParam.m_fcode;
944 :
945 :			inc_frame_num(pEnc);
946 :
947 :			if (pFrame->general & XVID_EXTRASTATS)
948 :			{ image_copy(&pEnc->sOriginal, &pEnc->current->image,
949 :			pEnc->mbParam.edged_width, pEnc->mbParam.height);
950 :			}
951 :
952 :			emms();
953 :
954 :			if ((pEnc->mbParam.global & XVID_GLOBAL_DEBUG)) {
955 :	syskin	903	image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 5,
956 :	edgomez	851	"%i if:%i st:%i", pEnc->m_framenum++, pEnc->iFrameNum, pEnc->current->stamp);
957 :			}
958 :
959 :			/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
960 :			* Luminance masking
961 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
962 :
963 :			if ((pEnc->current->global_flags & XVID_LUMIMASKING)) {
964 :			int *temp_dquants =
965 :			(int ) xvid_malloc(pEnc->mbParam.mb_width
966 :			pEnc->mbParam.mb_height * sizeof(int),
967 :			CACHE_LINE);
968 :
969 :			pEnc->current->quant =
970 :			adaptive_quantization(pEnc->current->image.y,
971 :			pEnc->mbParam.edged_width, temp_dquants,
972 :			pEnc->current->quant, pEnc->current->quant,
973 :			2 * pEnc->current->quant,
974 :			pEnc->mbParam.mb_width,
975 :			pEnc->mbParam.mb_height);
976 :
977 :			for (y = 0; y < pEnc->mbParam.mb_height; y++) {
978 :
979 :			#define OFFSET(x,y) ((x) + (y)*pEnc->mbParam.mb_width)
980 :
981 :			for (x = 0; x < pEnc->mbParam.mb_width; x++) {
982 :			MACROBLOCK *pMB = &pEnc->current->mbs[OFFSET(x, y)];
983 :
984 :			pMB->dquant = iDQtab[temp_dquants[OFFSET(x, y)] + 2];
985 :			}
986 :			#undef OFFSET
987 :			}
988 :			xvid_free(temp_dquants);
989 :			}
990 :			}
991 :
992 :			/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
993 :			* ivop/pvop/bvop selection
994 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
995 :			pEnc->iFrameNum++;
996 :
997 :			if (pEnc->iFrameNum == 0 \|\| pEnc->bframenum_dx50bvop >= 0 \|\|
998 :	syskin	903	(mode < 0 && pEnc->mbParam.iMaxKeyInterval > 0 &&
999 :			pEnc->iFrameNum >= pEnc->mbParam.iMaxKeyInterval)) {
1000 :	edgomez	851	mode = I_VOP;
1001 :	syskin	903	} else {
1002 :	edgomez	851	mode = MEanalysis(&pEnc->reference->image, pEnc->current,
1003 :			&pEnc->mbParam, pEnc->mbParam.iMaxKeyInterval,
1004 :	syskin	903	(/mode < 0/1/hack/) ? pEnc->iFrameNum : 0,
1005 :			bframes_count++, pFrame->bframe_threshold);
1006 :	edgomez	851	}
1007 :
1008 :			if (mode == I_VOP) {
1009 :			/*
1010 :			* This will be coded as an Intra Frame
1011 :			*/
1012 :			if ((pEnc->current->global_flags & XVID_QUARTERPEL))
1013 :			pEnc->mbParam.m_quarterpel = 1;
1014 :			else
1015 :			pEnc->mbParam.m_quarterpel = 0;
1016 :
1017 :			if (pEnc->current->global_flags & XVID_MPEGQUANT) pEnc->mbParam.m_quant_type = MPEG4_QUANT;
1018 :
1019 :			if ((pEnc->current->global_flags & XVID_CUSTOM_QMATRIX) > 0) {
1020 :			if (pFrame->quant_intra_matrix != NULL)
1021 :			set_intra_matrix(pFrame->quant_intra_matrix);
1022 :			if (pFrame->quant_inter_matrix != NULL)
1023 :			set_inter_matrix(pFrame->quant_inter_matrix);
1024 :			}
1025 :
1026 :
1027 :			DPRINTF(DPRINTF_DEBUG,"*** IFRAME bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
1028 :			pEnc->bframenum_head, pEnc->bframenum_tail,
1029 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
1030 :	syskin	903
1031 :	edgomez	851	if ((pEnc->mbParam.global & XVID_GLOBAL_DEBUG)) {
1032 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "IVOP");
1033 :			}
1034 :
1035 :	edgomez	867	/* when we reach an iframe in DX50BVOP mode, encode the last bframe as a pframe */
1036 :	edgomez	851
1037 :			if ((pEnc->mbParam.global & XVID_GLOBAL_DX50BVOP) && pEnc->bframenum_tail > 0) {
1038 :
1039 :			pEnc->bframenum_tail--;
1040 :			pEnc->bframenum_dx50bvop = pEnc->bframenum_tail;
1041 :
1042 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->bframes[pEnc->bframenum_dx50bvop]);
1043 :			if ((pEnc->mbParam.global & XVID_GLOBAL_DEBUG)) {
1044 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 100, "DX50 BVOP->PVOP");
1045 :			}
1046 :			FrameCodeP(pEnc, &bs, &bits, 1, 0);
1047 :			bframes_count = 0;
1048 :			pFrame->intra = 0;
1049 :
1050 :			} else {
1051 :
1052 :			FrameCodeI(pEnc, &bs, &bits);
1053 :			bframes_count = 0;
1054 :			pFrame->intra = 1;
1055 :
1056 :			pEnc->bframenum_dx50bvop = -1;
1057 :			}
1058 :
1059 :			pEnc->flush_bframes = 1;
1060 :
1061 :			if ((pEnc->mbParam.global & XVID_GLOBAL_PACKED) && pEnc->bframenum_tail > 0) {
1062 :			BitstreamPadAlways(&bs);
1063 :			input_valid = 0;
1064 :			goto ipvop_loop;
1065 :			}
1066 :
1067 :			/*
1068 :			* NB : sequences like "IIBB" decode fine with msfdam but,
1069 :	syskin	903	* go screwy with divx 5.00
1070 :	edgomez	851	*/
1071 :			} else if (mode == P_VOP \|\| mode == S_VOP \|\| pEnc->bframenum_tail >= pEnc->mbParam.max_bframes) {
1072 :			/*
1073 :			* This will be coded as a Predicted Frame
1074 :			*/
1075 :
1076 :			DPRINTF(DPRINTF_DEBUG,"*** PFRAME bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
1077 :			pEnc->bframenum_head, pEnc->bframenum_tail,
1078 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
1079 :	syskin	903
1080 :	edgomez	851	if ((pEnc->mbParam.global & XVID_GLOBAL_DEBUG)) {
1081 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "PVOP");
1082 :			}
1083 :
1084 :			FrameCodeP(pEnc, &bs, &bits, 1, 0);
1085 :			bframes_count = 0;
1086 :			pFrame->intra = 0;
1087 :			pEnc->flush_bframes = 1;
1088 :
1089 :			if ((pEnc->mbParam.global & XVID_GLOBAL_PACKED) && (pEnc->bframenum_tail > 0)) {
1090 :			BitstreamPadAlways(&bs);
1091 :			input_valid = 0;
1092 :			goto ipvop_loop;
1093 :			}
1094 :
1095 :			} else { /* mode == B_VOP */
1096 :			/*
1097 :			* This will be coded as a Bidirectional Frame
1098 :			*/
1099 :
1100 :			if ((pEnc->mbParam.global & XVID_GLOBAL_DEBUG)) {
1101 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "BVOP");
1102 :			}
1103 :
1104 :			if (pFrame->bquant < 1) {
1105 :	syskin	903	pEnc->current->quant = ((((pEnc->reference->quant + pEnc->current->quant) *
1106 :	edgomez	851	pEnc->mbParam.bquant_ratio) / 2) + pEnc->mbParam.bquant_offset)/100;
1107 :
1108 :			} else {
1109 :			pEnc->current->quant = pFrame->bquant;
1110 :			}
1111 :
1112 :			if (pEnc->current->quant < 1)
1113 :			pEnc->current->quant = 1;
1114 :			else if (pEnc->current->quant > 31)
1115 :	syskin	903	pEnc->current->quant = 31;
1116 :
1117 :	edgomez	851	DPRINTF(DPRINTF_DEBUG,"*** BFRAME (store) bf: head=%i tail=%i queue: head=%i tail=%i size=%i quant=%i\n",
1118 :			pEnc->bframenum_head, pEnc->bframenum_tail,
1119 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size,pEnc->current->quant);
1120 :
1121 :			/* store frame into bframe buffer & swap ref back to current */
1122 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->bframes[pEnc->bframenum_tail]);
1123 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->reference);
1124 :
1125 :			pEnc->bframenum_tail++;
1126 :
1127 :	edgomez	867	/* bframe report by koepi */
1128 :	edgomez	851	pFrame->intra = 2;
1129 :			pFrame->length = 0;
1130 :
1131 :			input_valid = 0;
1132 :			goto bvop_loop;
1133 :			}
1134 :
1135 :			BitstreamPadAlways(&bs);
1136 :			pFrame->length = BitstreamLength(&bs);
1137 :
1138 :			if (pResult) {
1139 :			pResult->quant = pEnc->current->quant;
1140 :			pResult->hlength = pFrame->length - (pEnc->current->sStat.iTextBits / 8);
1141 :			pResult->kblks = pEnc->current->sStat.kblks;
1142 :			pResult->mblks = pEnc->current->sStat.mblks;
1143 :			pResult->ublks = pEnc->current->sStat.ublks;
1144 :
1145 :			if (pFrame->general & XVID_EXTRASTATS)
1146 :			{ pResult->sse_y =
1147 :			plane_sse( pEnc->sOriginal.y, pEnc->current->image.y,
1148 :			pEnc->mbParam.edged_width, pEnc->mbParam.width,
1149 :			pEnc->mbParam.height);
1150 :
1151 :			pResult->sse_u =
1152 :			plane_sse( pEnc->sOriginal.u, pEnc->current->image.u,
1153 :			pEnc->mbParam.edged_width/2, pEnc->mbParam.width/2,
1154 :			pEnc->mbParam.height/2);
1155 :
1156 :			pResult->sse_v =
1157 :			plane_sse( pEnc->sOriginal.v, pEnc->current->image.v,
1158 :			pEnc->mbParam.edged_width/2, pEnc->mbParam.width/2,
1159 :	syskin	903	pEnc->mbParam.height/2);
1160 :	edgomez	851	}
1161 :			}
1162 :
1163 :			emms();
1164 :
1165 :			if (pFrame->quant == 0) {
1166 :			RateControlUpdate(&pEnc->rate_control, pEnc->current->quant,
1167 :			pFrame->length, pFrame->intra);
1168 :			}
1169 :
1170 :			stop_global_timer();
1171 :			write_timer();
1172 :
1173 :			emms();
1174 :			return XVID_ERR_OK;
1175 :			}
1176 :
1177 :
1178 :
1179 :			/*****************************************************************************
1180 :	suxen_drol	229	* "original" IP frame encoder entry point
1181 :			*
1182 :			* Returned values :
1183 :	syskin	903	* - XVID_ERR_OK - no errors
1184 :			* - XVID_ERR_FORMAT - the image subsystem reported the image had a wrong
1185 :			* format
1186 :	edgomez	194	****************************************************************************/
1187 :	suxen_drol	229
1188 :	edgomez	194	int
1189 :			encoder_encode(Encoder * pEnc,
1190 :	edgomez	195	XVID_ENC_FRAME * pFrame,
1191 :			XVID_ENC_STATS * pResult)
1192 :	suxen_drol	152	{
1193 :			uint16_t x, y;
1194 :			Bitstream bs;
1195 :			uint32_t bits;
1196 :	Isibaar	4	uint16_t write_vol_header = 0;
1197 :	edgomez	195
1198 :	Isibaar	113	float psnr;
1199 :	chl	870	char temp[128];
1200 :	Isibaar	3
1201 :			start_global_timer();
1202 :
1203 :	edgomez	13	ENC_CHECK(pEnc);
1204 :			ENC_CHECK(pFrame);
1205 :			ENC_CHECK(pFrame->bitstream);
1206 :			ENC_CHECK(pFrame->image);
1207 :	Isibaar	3
1208 :	edgomez	851	SWAP(FRAMEINFO *, pEnc->current, pEnc->reference);
1209 :	suxen_drol	136
1210 :			pEnc->current->global_flags = pFrame->general;
1211 :			pEnc->current->motion_flags = pFrame->motion;
1212 :	h	101	pEnc->mbParam.hint = &pFrame->hint;
1213 :	Isibaar	3
1214 :	edgomez	851	inc_frame_num(pEnc);
1215 :
1216 :			/* disable alternate scan flag if interlacing is not enabled */
1217 :			if ((pEnc->current->global_flags & XVID_ALTERNATESCAN) &&
1218 :			!(pEnc->current->global_flags & XVID_INTERLACING))
1219 :			{
1220 :			pEnc->current->global_flags -= XVID_ALTERNATESCAN;
1221 :			}
1222 :
1223 :	Isibaar	3	start_timer();
1224 :	edgomez	195	if (image_input
1225 :			(&pEnc->current->image, pEnc->mbParam.width, pEnc->mbParam.height,
1226 :	edgomez	851	pEnc->mbParam.edged_width, pFrame->image, pFrame->stride, pFrame->colorspace, pFrame->general & XVID_INTERLACING) < 0)
1227 :	Isibaar	3	return XVID_ERR_FORMAT;
1228 :			stop_conv_timer();
1229 :
1230 :	edgomez	853	if ((pFrame->general & XVID_CHROMAOPT)) {
1231 :	syskin	903	image_chroma_optimize(&pEnc->current->image,
1232 :	edgomez	853	pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width);
1233 :			}
1234 :
1235 :	edgomez	851	if (pFrame->general & XVID_EXTRASTATS)
1236 :			{ image_copy(&pEnc->sOriginal, &pEnc->current->image,
1237 :			pEnc->mbParam.edged_width, pEnc->mbParam.height);
1238 :			}
1239 :	Isibaar	113
1240 :	edgomez	198	emms();
1241 :	suxen_drol	136
1242 :	edgomez	13	BitstreamInit(&bs, pFrame->bitstream, 0);
1243 :	Isibaar	3
1244 :	edgomez	195	if (pFrame->quant == 0) {
1245 :			pEnc->current->quant = RateControlGetQ(&pEnc->rate_control, 0);
1246 :			} else {
1247 :	suxen_drol	136	pEnc->current->quant = pFrame->quant;
1248 :	Isibaar	3	}
1249 :
1250 :	edgomez	851	if ((pEnc->current->global_flags & XVID_QUARTERPEL))
1251 :			pEnc->mbParam.m_quarterpel = 1;
1252 :			else
1253 :			pEnc->mbParam.m_quarterpel = 0;
1254 :
1255 :	edgomez	195	if ((pEnc->current->global_flags & XVID_LUMIMASKING)) {
1256 :			int *temp_dquants =
1257 :			(int ) xvid_malloc(pEnc->mbParam.mb_width
1258 :			pEnc->mbParam.mb_height * sizeof(int),
1259 :			CACHE_LINE);
1260 :
1261 :	edgomez	194	pEnc->current->quant =
1262 :			adaptive_quantization(pEnc->current->image.y,
1263 :	edgomez	195	pEnc->mbParam.edged_width, temp_dquants,
1264 :			pEnc->current->quant, pEnc->current->quant,
1265 :			2 * pEnc->current->quant,
1266 :			pEnc->mbParam.mb_width,
1267 :			pEnc->mbParam.mb_height);
1268 :	edgomez	194
1269 :	edgomez	195	for (y = 0; y < pEnc->mbParam.mb_height; y++) {
1270 :	edgomez	194
1271 :	edgomez	195	#define OFFSET(x,y) ((x) + (y)*pEnc->mbParam.mb_width)
1272 :	edgomez	194
1273 :	edgomez	195	for (x = 0; x < pEnc->mbParam.mb_width; x++) {
1274 :	edgomez	194
1275 :	edgomez	195
1276 :			MACROBLOCK *pMB = &pEnc->current->mbs[OFFSET(x, y)];
1277 :
1278 :			pMB->dquant = iDQtab[temp_dquants[OFFSET(x, y)] + 2];
1279 :	Isibaar	3	}
1280 :	edgomez	194
1281 :	edgomez	195	#undef OFFSET
1282 :	edgomez	194	}
1283 :
1284 :	Isibaar	41	xvid_free(temp_dquants);
1285 :	Isibaar	3	}
1286 :
1287 :	edgomez	195	if (pEnc->current->global_flags & XVID_H263QUANT) {
1288 :			if (pEnc->mbParam.m_quant_type != H263_QUANT)
1289 :	Isibaar	20	write_vol_header = 1;
1290 :	suxen_drol	136	pEnc->mbParam.m_quant_type = H263_QUANT;
1291 :	edgomez	195	} else if (pEnc->current->global_flags & XVID_MPEGQUANT) {
1292 :	edgomez	194	int matrix1_changed, matrix2_changed;
1293 :	Isibaar	3
1294 :	edgomez	194	matrix1_changed = matrix2_changed = 0;
1295 :	edgomez	78
1296 :	edgomez	195	if (pEnc->mbParam.m_quant_type != MPEG4_QUANT)
1297 :	Isibaar	20	write_vol_header = 1;
1298 :	edgomez	195
1299 :	suxen_drol	136	pEnc->mbParam.m_quant_type = MPEG4_QUANT;
1300 :	edgomez	195
1301 :	suxen_drol	136	if ((pEnc->current->global_flags & XVID_CUSTOM_QMATRIX) > 0) {
1302 :	edgomez	195	if (pFrame->quant_intra_matrix != NULL)
1303 :			matrix1_changed = set_intra_matrix(pFrame->quant_intra_matrix);
1304 :			if (pFrame->quant_inter_matrix != NULL)
1305 :			matrix2_changed = set_inter_matrix(pFrame->quant_inter_matrix);
1306 :			} else {
1307 :	edgomez	194	matrix1_changed = set_intra_matrix(get_default_intra_matrix());
1308 :			matrix2_changed = set_inter_matrix(get_default_inter_matrix());
1309 :	Isibaar	20	}
1310 :	edgomez	195	if (write_vol_header == 0)
1311 :	edgomez	194	write_vol_header = matrix1_changed \| matrix2_changed;
1312 :	Isibaar	4	}
1313 :	Isibaar	3
1314 :	edgomez	195	if (pFrame->intra < 0) {
1315 :	edgomez	851	if ((pEnc->iFrameNum == -1)
1316 :			\|\| ((pEnc->mbParam.iMaxKeyInterval > 0)
1317 :			&& (pEnc->iFrameNum >= pEnc->mbParam.iMaxKeyInterval))) {
1318 :	edgomez	195	pFrame->intra = FrameCodeI(pEnc, &bs, &bits);
1319 :			} else {
1320 :			pFrame->intra = FrameCodeP(pEnc, &bs, &bits, 0, write_vol_header);
1321 :	edgomez	194	}
1322 :	edgomez	195	} else {
1323 :			if (pFrame->intra == 1) {
1324 :			pFrame->intra = FrameCodeI(pEnc, &bs, &bits);
1325 :			} else {
1326 :			pFrame->intra = FrameCodeP(pEnc, &bs, &bits, 1, write_vol_header);
1327 :	edgomez	194	}
1328 :
1329 :	edgomez	13	}
1330 :	Isibaar	3
1331 :	edgomez	867	/* Relic from OpenDivX - now disabled
1332 :			BitstreamPutBits(&bs, 0xFFFF, 16);
1333 :			BitstreamPutBits(&bs, 0xFFFF, 16);
1334 :			*/
1335 :
1336 :	edgomez	851	BitstreamPadAlways(&bs);
1337 :	edgomez	13	pFrame->length = BitstreamLength(&bs);
1338 :	h	29
1339 :	edgomez	195	if (pResult) {
1340 :	suxen_drol	136	pResult->quant = pEnc->current->quant;
1341 :	edgomez	851	pResult->hlength = pFrame->length - (pEnc->current->sStat.iTextBits / 8);
1342 :			pResult->kblks = pEnc->current->sStat.kblks;
1343 :			pResult->mblks = pEnc->current->sStat.mblks;
1344 :			pResult->ublks = pEnc->current->sStat.ublks;
1345 :	edgomez	13	}
1346 :	edgomez	195
1347 :	edgomez	198	emms();
1348 :	Isibaar	41
1349 :	edgomez	195	if (pFrame->quant == 0) {
1350 :	edgomez	851	RateControlUpdate(&pEnc->rate_control, pEnc->current->quant,
1351 :	edgomez	195	pFrame->length, pFrame->intra);
1352 :	Isibaar	3	}
1353 :	edgomez	851	if (pFrame->general & XVID_EXTRASTATS)
1354 :			{
1355 :			psnr =
1356 :			image_psnr(&pEnc->sOriginal, &pEnc->current->image,
1357 :			pEnc->mbParam.edged_width, pEnc->mbParam.width,
1358 :			pEnc->mbParam.height);
1359 :	syskin	903
1360 :	edgomez	851	snprintf(temp, 127, "PSNR: %f\n", psnr);
1361 :			}
1362 :	Isibaar	113
1363 :	Isibaar	3	pEnc->iFrameNum++;
1364 :	edgomez	195
1365 :	Isibaar	3	stop_global_timer();
1366 :			write_timer();
1367 :
1368 :			return XVID_ERR_OK;
1369 :			}
1370 :
1371 :
1372 :	edgomez	195	static __inline void
1373 :			CodeIntraMB(Encoder * pEnc,
1374 :			MACROBLOCK * pMB)
1375 :			{
1376 :	Isibaar	3
1377 :			pMB->mode = MODE_INTRA;
1378 :
1379 :	suxen_drol	136	/* zero mv statistics */
1380 :			pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = 0;
1381 :			pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = 0;
1382 :			pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = 0;
1383 :			pMB->sad16 = 0;
1384 :
1385 :			if ((pEnc->current->global_flags & XVID_LUMIMASKING)) {
1386 :	edgomez	195	if (pMB->dquant != NO_CHANGE) {
1387 :	Isibaar	3	pMB->mode = MODE_INTRA_Q;
1388 :	suxen_drol	136	pEnc->current->quant += DQtab[pMB->dquant];
1389 :	edgomez	195
1390 :			if (pEnc->current->quant > 31)
1391 :			pEnc->current->quant = 31;
1392 :			if (pEnc->current->quant < 1)
1393 :			pEnc->current->quant = 1;
1394 :	Isibaar	3	}
1395 :			}
1396 :
1397 :	suxen_drol	136	pMB->quant = pEnc->current->quant;
1398 :	Isibaar	3	}
1399 :
1400 :
1401 :	h	101	#define FCODEBITS 3
1402 :			#define MODEBITS 5
1403 :
1404 :	edgomez	195	void
1405 :			HintedMESet(Encoder * pEnc,
1406 :			int *intra)
1407 :	h	101	{
1408 :	edgomez	195	HINTINFO *hint;
1409 :	h	101	Bitstream bs;
1410 :			int length, high;
1411 :			uint32_t x, y;
1412 :
1413 :			hint = pEnc->mbParam.hint;
1414 :
1415 :	edgomez	195	if (hint->rawhints) {
1416 :	h	101	*intra = hint->mvhint.intra;
1417 :	edgomez	195	} else {
1418 :	h	101	BitstreamInit(&bs, hint->hintstream, hint->hintlength);
1419 :			*intra = BitstreamGetBit(&bs);
1420 :			}
1421 :
1422 :	edgomez	195	if (*intra) {
1423 :	h	101	return;
1424 :			}
1425 :
1426 :	edgomez	875	pEnc->current->fcode = (hint->rawhints) ?
1427 :			(uint32_t)hint->mvhint.fcode : BitstreamGetBits(&bs, FCODEBITS);
1428 :	h	101
1429 :	edgomez	195	length = pEnc->current->fcode + 5;
1430 :			high = 1 << (length - 1);
1431 :	h	101
1432 :	edgomez	195	for (y = 0; y < pEnc->mbParam.mb_height; ++y) {
1433 :			for (x = 0; x < pEnc->mbParam.mb_width; ++x) {
1434 :			MACROBLOCK *pMB =
1435 :			&pEnc->current->mbs[x + y * pEnc->mbParam.mb_width];
1436 :			MVBLOCKHINT *bhint =
1437 :			&hint->mvhint.block[x + y * pEnc->mbParam.mb_width];
1438 :	chl	284	VECTOR pred;
1439 :	h	101	VECTOR tmp;
1440 :			int vec;
1441 :
1442 :	edgomez	875	pMB->mode = (hint->rawhints) ?
1443 :			(uint32_t)bhint->mode : BitstreamGetBits(&bs, MODEBITS);
1444 :	h	101
1445 :	h	128	pMB->mode = (pMB->mode == MODE_INTER_Q) ? MODE_INTER : pMB->mode;
1446 :			pMB->mode = (pMB->mode == MODE_INTRA_Q) ? MODE_INTRA : pMB->mode;
1447 :
1448 :	edgomez	195	if (pMB->mode == MODE_INTER) {
1449 :	edgomez	875	tmp.x = (hint->rawhints) ?
1450 :			bhint->mvs[0].x : (int)BitstreamGetBits(&bs, length);
1451 :			tmp.y = (hint->rawhints) ?
1452 :			bhint->mvs[0].y : (int)BitstreamGetBits(&bs, length);
1453 :	edgomez	195	tmp.x -= (tmp.x >= high) ? high * 2 : 0;
1454 :			tmp.y -= (tmp.y >= high) ? high * 2 : 0;
1455 :	h	101
1456 :	chl	284	pred = get_pmv2(pEnc->current->mbs,pEnc->mbParam.mb_width,0,x,y,0);
1457 :	h	101
1458 :	edgomez	195	for (vec = 0; vec < 4; ++vec) {
1459 :			pMB->mvs[vec].x = tmp.x;
1460 :			pMB->mvs[vec].y = tmp.y;
1461 :	chl	284	pMB->pmvs[vec].x = pMB->mvs[0].x - pred.x;
1462 :			pMB->pmvs[vec].y = pMB->mvs[0].y - pred.y;
1463 :	h	101	}
1464 :	edgomez	195	} else if (pMB->mode == MODE_INTER4V) {
1465 :			for (vec = 0; vec < 4; ++vec) {
1466 :	edgomez	875	tmp.x = (hint->rawhints) ?
1467 :			bhint->mvs[vec].x : (int)BitstreamGetBits(&bs, length);
1468 :			tmp.y = (hint->rawhints) ?
1469 :			bhint->mvs[vec].y : (int)BitstreamGetBits(&bs, length);
1470 :	edgomez	195	tmp.x -= (tmp.x >= high) ? high * 2 : 0;
1471 :			tmp.y -= (tmp.y >= high) ? high * 2 : 0;
1472 :	h	101
1473 :	chl	284	pred = get_pmv2(pEnc->current->mbs,pEnc->mbParam.mb_width,0,x,y,vec);
1474 :	h	101
1475 :	edgomez	195	pMB->mvs[vec].x = tmp.x;
1476 :			pMB->mvs[vec].y = tmp.y;
1477 :	chl	284	pMB->pmvs[vec].x = pMB->mvs[vec].x - pred.x;
1478 :			pMB->pmvs[vec].y = pMB->mvs[vec].y - pred.y;
1479 :	h	101	}
1480 :	edgomez	867	} else /* intra / stuffing / not_coded */
1481 :	h	101	{
1482 :	edgomez	195	for (vec = 0; vec < 4; ++vec) {
1483 :			pMB->mvs[vec].x = pMB->mvs[vec].y = 0;
1484 :	h	101	}
1485 :			}
1486 :	h	128
1487 :	suxen_drol	136	if (pMB->mode == MODE_INTER4V &&
1488 :	edgomez	195	(pEnc->current->global_flags & XVID_LUMIMASKING)
1489 :			&& pMB->dquant != NO_CHANGE) {
1490 :	h	128	pMB->mode = MODE_INTRA;
1491 :
1492 :	edgomez	195	for (vec = 0; vec < 4; ++vec) {
1493 :	h	128	pMB->mvs[vec].x = pMB->mvs[vec].y = 0;
1494 :			}
1495 :			}
1496 :	h	101	}
1497 :			}
1498 :			}
1499 :
1500 :
1501 :	edgomez	195	void
1502 :			HintedMEGet(Encoder * pEnc,
1503 :			int intra)
1504 :	h	101	{
1505 :	edgomez	195	HINTINFO *hint;
1506 :	h	101	Bitstream bs;
1507 :			uint32_t x, y;
1508 :			int length, high;
1509 :
1510 :			hint = pEnc->mbParam.hint;
1511 :
1512 :	edgomez	195	if (hint->rawhints) {
1513 :	h	101	hint->mvhint.intra = intra;
1514 :	edgomez	195	} else {
1515 :	h	101	BitstreamInit(&bs, hint->hintstream, 0);
1516 :			BitstreamPutBit(&bs, intra);
1517 :			}
1518 :
1519 :	edgomez	195	if (intra) {
1520 :			if (!hint->rawhints) {
1521 :	edgomez	851	BitstreamPadAlways(&bs);
1522 :	h	101	hint->hintlength = BitstreamLength(&bs);
1523 :			}
1524 :			return;
1525 :			}
1526 :
1527 :	edgomez	195	length = pEnc->current->fcode + 5;
1528 :			high = 1 << (length - 1);
1529 :	h	101
1530 :	edgomez	195	if (hint->rawhints) {
1531 :	suxen_drol	136	hint->mvhint.fcode = pEnc->current->fcode;
1532 :	edgomez	195	} else {
1533 :	suxen_drol	136	BitstreamPutBits(&bs, pEnc->current->fcode, FCODEBITS);
1534 :	h	101	}
1535 :
1536 :	edgomez	195	for (y = 0; y < pEnc->mbParam.mb_height; ++y) {
1537 :			for (x = 0; x < pEnc->mbParam.mb_width; ++x) {
1538 :			MACROBLOCK *pMB =
1539 :			&pEnc->current->mbs[x + y * pEnc->mbParam.mb_width];
1540 :			MVBLOCKHINT *bhint =
1541 :			&hint->mvhint.block[x + y * pEnc->mbParam.mb_width];
1542 :	h	101	VECTOR tmp;
1543 :
1544 :	edgomez	195	if (hint->rawhints) {
1545 :	h	101	bhint->mode = pMB->mode;
1546 :	edgomez	195	} else {
1547 :	h	101	BitstreamPutBits(&bs, pMB->mode, MODEBITS);
1548 :			}
1549 :
1550 :	edgomez	195	if (pMB->mode == MODE_INTER \|\| pMB->mode == MODE_INTER_Q) {
1551 :			tmp.x = pMB->mvs[0].x;
1552 :			tmp.y = pMB->mvs[0].y;
1553 :			tmp.x += (tmp.x < 0) ? high * 2 : 0;
1554 :			tmp.y += (tmp.y < 0) ? high * 2 : 0;
1555 :	h	101
1556 :	edgomez	195	if (hint->rawhints) {
1557 :	h	101	bhint->mvs[0].x = tmp.x;
1558 :			bhint->mvs[0].y = tmp.y;
1559 :	edgomez	195	} else {
1560 :	h	101	BitstreamPutBits(&bs, tmp.x, length);
1561 :			BitstreamPutBits(&bs, tmp.y, length);
1562 :			}
1563 :	edgomez	195	} else if (pMB->mode == MODE_INTER4V) {
1564 :	h	101	int vec;
1565 :
1566 :	edgomez	195	for (vec = 0; vec < 4; ++vec) {
1567 :			tmp.x = pMB->mvs[vec].x;
1568 :			tmp.y = pMB->mvs[vec].y;
1569 :			tmp.x += (tmp.x < 0) ? high * 2 : 0;
1570 :			tmp.y += (tmp.y < 0) ? high * 2 : 0;
1571 :	h	101
1572 :	edgomez	195	if (hint->rawhints) {
1573 :	h	101	bhint->mvs[vec].x = tmp.x;
1574 :			bhint->mvs[vec].y = tmp.y;
1575 :	edgomez	195	} else {
1576 :	h	101	BitstreamPutBits(&bs, tmp.x, length);
1577 :			BitstreamPutBits(&bs, tmp.y, length);
1578 :			}
1579 :			}
1580 :			}
1581 :			}
1582 :			}
1583 :
1584 :	edgomez	195	if (!hint->rawhints) {
1585 :	h	101	BitstreamPad(&bs);
1586 :			hint->hintlength = BitstreamLength(&bs);
1587 :			}
1588 :			}
1589 :
1590 :
1591 :	edgomez	195	static int
1592 :			FrameCodeI(Encoder * pEnc,
1593 :			Bitstream * bs,
1594 :			uint32_t * pBits)
1595 :	h	104	{
1596 :	edgomez	851	int mb_width = pEnc->mbParam.mb_width;
1597 :			int mb_height = pEnc->mbParam.mb_height;
1598 :	h	104
1599 :			DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE);
1600 :	edgomez	195	DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE);
1601 :	h	104
1602 :			uint16_t x, y;
1603 :
1604 :	edgomez	851	if ((pEnc->current->global_flags & XVID_REDUCED))
1605 :			{
1606 :			mb_width = (pEnc->mbParam.width + 31) / 32;
1607 :			mb_height = (pEnc->mbParam.height + 31) / 32;
1608 :
1609 :			/* 16x16->8x8 downsample requires 1 additional edge pixel*/
1610 :			/* XXX: setedges is overkill */
1611 :			start_timer();
1612 :	syskin	903	image_setedges(&pEnc->current->image,
1613 :	edgomez	851	pEnc->mbParam.edged_width, pEnc->mbParam.edged_height,
1614 :			pEnc->mbParam.width, pEnc->mbParam.height);
1615 :			stop_edges_timer();
1616 :			}
1617 :	h	104	pEnc->iFrameNum = 0;
1618 :	suxen_drol	136	pEnc->mbParam.m_rounding_type = 1;
1619 :			pEnc->current->rounding_type = pEnc->mbParam.m_rounding_type;
1620 :	edgomez	851	pEnc->current->quarterpel = pEnc->mbParam.m_quarterpel;
1621 :	suxen_drol	136	pEnc->current->coding_type = I_VOP;
1622 :	h	104
1623 :	suxen_drol	136	BitstreamWriteVolHeader(bs, &pEnc->mbParam, pEnc->current);
1624 :	edgomez	403
1625 :	edgomez	851	set_timecodes(pEnc->current,pEnc->reference,pEnc->mbParam.fbase);
1626 :
1627 :			BitstreamPadAlways(bs);
1628 :	suxen_drol	229	BitstreamWriteVopHeader(bs, &pEnc->mbParam, pEnc->current, 1);
1629 :	h	104
1630 :			*pBits = BitstreamPos(bs);
1631 :
1632 :	edgomez	851	pEnc->current->sStat.iTextBits = 0;
1633 :			pEnc->current->sStat.kblks = mb_width * mb_height;
1634 :			pEnc->current->sStat.mblks = pEnc->current->sStat.ublks = 0;
1635 :	h	104
1636 :	edgomez	851	for (y = 0; y < mb_height; y++)
1637 :			for (x = 0; x < mb_width; x++) {
1638 :	edgomez	195	MACROBLOCK *pMB =
1639 :			&pEnc->current->mbs[x + y * pEnc->mbParam.mb_width];
1640 :	h	104
1641 :			CodeIntraMB(pEnc, pMB);
1642 :
1643 :	edgomez	195	MBTransQuantIntra(&pEnc->mbParam, pEnc->current, pMB, x, y,
1644 :			dct_codes, qcoeff);
1645 :	h	104
1646 :			start_timer();
1647 :	suxen_drol	136	MBPrediction(pEnc->current, x, y, pEnc->mbParam.mb_width, qcoeff);
1648 :	h	104	stop_prediction_timer();
1649 :
1650 :			start_timer();
1651 :	chl	353	if (pEnc->current->global_flags & XVID_GREYSCALE)
1652 :			{ pMB->cbp &= 0x3C; /* keep only bits 5-2 */
1653 :			qcoeff[464+0]=0; / zero, because for INTRA MBs DC value is saved */
1654 :			qcoeff[5*64+0]=0;
1655 :			}
1656 :	edgomez	851	MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->current->sStat);
1657 :	h	104	stop_coding_timer();
1658 :			}
1659 :
1660 :	edgomez	851	if ((pEnc->current->global_flags & XVID_REDUCED))
1661 :			{
1662 :	syskin	903	image_deblock_rrv(&pEnc->current->image, pEnc->mbParam.edged_width,
1663 :	edgomez	851	pEnc->current->mbs, mb_width, mb_height, pEnc->mbParam.mb_width,
1664 :			16, XVID_DEC_DEBLOCKY\|XVID_DEC_DEBLOCKUV);
1665 :			}
1666 :	h	104	emms();
1667 :
1668 :			pBits = BitstreamPos(bs) - pBits;
1669 :	edgomez	851	pEnc->fMvPrevSigma = -1;
1670 :	suxen_drol	136	pEnc->mbParam.m_fcode = 2;
1671 :	h	104
1672 :	edgomez	195	if (pEnc->current->global_flags & XVID_HINTEDME_GET) {
1673 :	h	104	HintedMEGet(pEnc, 1);
1674 :			}
1675 :
1676 :	edgomez	867	return 1; /* intra */
1677 :	h	104	}
1678 :
1679 :
1680 :	Isibaar	3	#define INTRA_THRESHOLD 0.5
1681 :	edgomez	851	#define BFRAME_SKIP_THRESHHOLD 30
1682 :	Isibaar	3
1683 :	edgomez	851
1684 :			/* FrameCodeP also handles S(GMC)-VOPs */
1685 :	edgomez	195	static int
1686 :			FrameCodeP(Encoder * pEnc,
1687 :			Bitstream * bs,
1688 :			uint32_t * pBits,
1689 :			bool force_inter,
1690 :			bool vol_header)
1691 :	Isibaar	3	{
1692 :	edgomez	13	float fSigma;
1693 :	Isibaar	42
1694 :	edgomez	78	DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE);
1695 :	edgomez	195	DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE);
1696 :	edgomez	78
1697 :	edgomez	851	int mb_width = pEnc->mbParam.mb_width;
1698 :			int mb_height = pEnc->mbParam.mb_height;
1699 :
1700 :	Isibaar	3	int iLimit;
1701 :	edgomez	851	int x, y, k;
1702 :	edgomez	13	int iSearchRange;
1703 :	edgomez	851	int bIntra, skip_possible;
1704 :	syskin	903
1705 :	edgomez	145	/* IMAGE pCurrent = &pEnc->current->image; /
1706 :	suxen_drol	136	IMAGE *pRef = &pEnc->reference->image;
1707 :	Isibaar	3
1708 :	edgomez	851	if ((pEnc->current->global_flags & XVID_REDUCED))
1709 :			{
1710 :			mb_width = (pEnc->mbParam.width + 31) / 32;
1711 :			mb_height = (pEnc->mbParam.height + 31) / 32;
1712 :			}
1713 :
1714 :	h	69	start_timer();
1715 :	edgomez	195	image_setedges(pRef, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height,
1716 :	h	541	pEnc->mbParam.width, pEnc->mbParam.height);
1717 :	h	69	stop_edges_timer();
1718 :	Isibaar	3
1719 :	suxen_drol	136	pEnc->mbParam.m_rounding_type = 1 - pEnc->mbParam.m_rounding_type;
1720 :			pEnc->current->rounding_type = pEnc->mbParam.m_rounding_type;
1721 :	edgomez	851	pEnc->current->quarterpel = pEnc->mbParam.m_quarterpel;
1722 :	suxen_drol	136	pEnc->current->fcode = pEnc->mbParam.m_fcode;
1723 :	Isibaar	3
1724 :			if (!force_inter)
1725 :	edgomez	851	iLimit = (int)(mb_width * mb_height * INTRA_THRESHOLD);
1726 :	edgomez	13	else
1727 :	edgomez	851	iLimit = mb_width * mb_height + 1;
1728 :	Isibaar	3
1729 :	suxen_drol	136	if ((pEnc->current->global_flags & XVID_HALFPEL)) {
1730 :	Isibaar	3	start_timer();
1731 :	edgomez	195	image_interpolate(pRef, &pEnc->vInterH, &pEnc->vInterV,
1732 :			&pEnc->vInterHV, pEnc->mbParam.edged_width,
1733 :			pEnc->mbParam.edged_height,
1734 :	edgomez	851	pEnc->mbParam.m_quarterpel,
1735 :	edgomez	195	pEnc->current->rounding_type);
1736 :	Isibaar	3	stop_inter_timer();
1737 :			}
1738 :
1739 :	edgomez	851	pEnc->current->coding_type = P_VOP;
1740 :	syskin	903
1741 :	Isibaar	3	start_timer();
1742 :	edgomez	851	if (pEnc->current->global_flags & XVID_HINTEDME_SET)
1743 :	h	101	HintedMESet(pEnc, &bIntra);
1744 :	edgomez	851	else
1745 :	suxen_drol	295	bIntra =
1746 :			MotionEstimation(&pEnc->mbParam, pEnc->current, pEnc->reference,
1747 :	syskin	903	&pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV,
1748 :			iLimit);
1749 :	edgomez	851
1750 :	Isibaar	3	stop_motion_timer();
1751 :
1752 :	edgomez	851	if (bIntra == 1) return FrameCodeI(pEnc, bs, pBits);
1753 :
1754 :	syskin	903	if ( ( pEnc->current->global_flags & XVID_GMC )
1755 :	edgomez	851	&& ( (pEnc->current->warp.duv[1].x != 0) \|\| (pEnc->current->warp.duv[1].y != 0) ) )
1756 :			{
1757 :			pEnc->current->coding_type = S_VOP;
1758 :
1759 :	syskin	903	generate_GMCparameters( 2, 16, &pEnc->current->warp,
1760 :			pEnc->mbParam.width, pEnc->mbParam.height,
1761 :	edgomez	851	&pEnc->current->gmc_data);
1762 :
1763 :	syskin	903	generate_GMCimage(&pEnc->current->gmc_data, &pEnc->reference->image,
1764 :	edgomez	851	pEnc->mbParam.mb_width, pEnc->mbParam.mb_height,
1765 :	syskin	903	pEnc->mbParam.edged_width, pEnc->mbParam.edged_width/2,
1766 :			pEnc->mbParam.m_fcode, pEnc->mbParam.m_quarterpel, 0,
1767 :	edgomez	851	pEnc->current->rounding_type, pEnc->current->mbs, &pEnc->vGMC);
1768 :
1769 :	h	101	}
1770 :	Isibaar	3
1771 :	edgomez	851	set_timecodes(pEnc->current,pEnc->reference,pEnc->mbParam.fbase);
1772 :	edgomez	195	if (vol_header)
1773 :	syskin	903	{ BitstreamWriteVolHeader(bs, &pEnc->mbParam, pEnc->current);
1774 :	edgomez	851	BitstreamPadAlways(bs);
1775 :			}
1776 :	Isibaar	3
1777 :	suxen_drol	229	BitstreamWriteVopHeader(bs, &pEnc->mbParam, pEnc->current, 1);
1778 :	Isibaar	3
1779 :	edgomez	13	*pBits = BitstreamPos(bs);
1780 :	Isibaar	3
1781 :	syskin	903	pEnc->current->sStat.iTextBits = pEnc->current->sStat.iMvSum = pEnc->current->sStat.iMvCount =
1782 :	edgomez	851	pEnc->current->sStat.kblks = pEnc->current->sStat.mblks = pEnc->current->sStat.ublks = 0;
1783 :	Isibaar	3
1784 :	edgomez	851
1785 :			for (y = 0; y < mb_height; y++) {
1786 :			for (x = 0; x < mb_width; x++) {
1787 :	edgomez	195	MACROBLOCK *pMB =
1788 :			&pEnc->current->mbs[x + y * pEnc->mbParam.mb_width];
1789 :	Isibaar	3
1790 :	edgomez	851	/* Mode decision: Check, if the block should be INTRA / INTER or GMC-coded */
1791 :			/* For a start, leave INTRA decision as is, only choose only between INTER/GMC - gruel, 9.1.2002 */
1792 :
1793 :	edgomez	13	bIntra = (pMB->mode == MODE_INTRA) \|\| (pMB->mode == MODE_INTRA_Q);
1794 :	Isibaar	3
1795 :	edgomez	851	if (bIntra) {
1796 :	Isibaar	3	CodeIntraMB(pEnc, pMB);
1797 :	edgomez	195	MBTransQuantIntra(&pEnc->mbParam, pEnc->current, pMB, x, y,
1798 :			dct_codes, qcoeff);
1799 :	chl	419
1800 :			start_timer();
1801 :			MBPrediction(pEnc->current, x, y, pEnc->mbParam.mb_width, qcoeff);
1802 :			stop_prediction_timer();
1803 :	edgomez	851
1804 :			pEnc->current->sStat.kblks++;
1805 :
1806 :			MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->current->sStat);
1807 :			stop_coding_timer();
1808 :			continue;
1809 :	Isibaar	3	}
1810 :	syskin	903
1811 :	edgomez	851	if (pEnc->current->coding_type == S_VOP) {
1812 :	Isibaar	3
1813 :	edgomez	851	int32_t iSAD = sad16(pEnc->current->image.y + 16ypEnc->mbParam.edged_width + 16*x,
1814 :	syskin	903	pEnc->vGMC.y + 16ypEnc->mbParam.edged_width + 16*x,
1815 :	edgomez	851	pEnc->mbParam.edged_width, 65536);
1816 :	syskin	903
1817 :	edgomez	851	if (pEnc->current->motion_flags & PMV_CHROMA16) {
1818 :			iSAD += sad8(pEnc->current->image.u + 8y(pEnc->mbParam.edged_width/2) + 8*x,
1819 :			pEnc->vGMC.u + 8y(pEnc->mbParam.edged_width/2) + 8*x, pEnc->mbParam.edged_width/2);
1820 :	Isibaar	3
1821 :	edgomez	851	iSAD += sad8(pEnc->current->image.v + 8y(pEnc->mbParam.edged_width/2) + 8*x,
1822 :			pEnc->vGMC.v + 8y(pEnc->mbParam.edged_width/2) + 8*x, pEnc->mbParam.edged_width/2);
1823 :			}
1824 :
1825 :			if (iSAD <= pMB->sad16) { /* mode decision GMC */
1826 :
1827 :			if (pEnc->mbParam.m_quarterpel)
1828 :			pMB->qmvs[0] = pMB->qmvs[1] = pMB->qmvs[2] = pMB->qmvs[3] = pMB->amv;
1829 :			else
1830 :			pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->amv;
1831 :
1832 :			pMB->mode = MODE_INTER;
1833 :			pMB->mcsel = 1;
1834 :			pMB->sad16 = iSAD;
1835 :			} else {
1836 :			pMB->mcsel = 0;
1837 :			}
1838 :			} else {
1839 :			pMB->mcsel = 0; /* just a precaution */
1840 :			}
1841 :
1842 :	Isibaar	3	start_timer();
1843 :	edgomez	851	MBMotionCompensation(pMB, x, y, &pEnc->reference->image,
1844 :			&pEnc->vInterH, &pEnc->vInterV,
1845 :	syskin	903	&pEnc->vInterHV, &pEnc->vGMC,
1846 :	edgomez	851	&pEnc->current->image,
1847 :			dct_codes, pEnc->mbParam.width,
1848 :			pEnc->mbParam.height,
1849 :			pEnc->mbParam.edged_width,
1850 :			pEnc->mbParam.m_quarterpel,
1851 :			(pEnc->current->global_flags & XVID_REDUCED),
1852 :			pEnc->current->rounding_type);
1853 :	chl	347
1854 :	edgomez	851	stop_comp_timer();
1855 :
1856 :			if ((pEnc->current->global_flags & XVID_LUMIMASKING)) {
1857 :			if (pMB->dquant != NO_CHANGE) {
1858 :			pMB->mode = MODE_INTER_Q;
1859 :			pEnc->current->quant += DQtab[pMB->dquant];
1860 :			if (pEnc->current->quant > 31)
1861 :			pEnc->current->quant = 31;
1862 :			else if (pEnc->current->quant < 1)
1863 :			pEnc->current->quant = 1;
1864 :			}
1865 :			}
1866 :			pMB->quant = pEnc->current->quant;
1867 :
1868 :			pMB->field_pred = 0;
1869 :
1870 :			if (pMB->mode != MODE_NOT_CODED)
1871 :			{ pMB->cbp =
1872 :			MBTransQuantInter(&pEnc->mbParam, pEnc->current, pMB, x, y,
1873 :			dct_codes, qcoeff);
1874 :			}
1875 :
1876 :			if (pMB->cbp \|\| pMB->mvs[0].x \|\| pMB->mvs[0].y \|\|
1877 :			pMB->mvs[1].x \|\| pMB->mvs[1].y \|\| pMB->mvs[2].x \|\|
1878 :			pMB->mvs[2].y \|\| pMB->mvs[3].x \|\| pMB->mvs[3].y) {
1879 :			pEnc->current->sStat.mblks++;
1880 :			} else {
1881 :			pEnc->current->sStat.ublks++;
1882 :			}
1883 :	syskin	903
1884 :	edgomez	851	start_timer();
1885 :
1886 :	chl	347	/* Finished processing the MB, now check if to CODE or SKIP */
1887 :
1888 :	edgomez	851	skip_possible = (pMB->cbp == 0) && (pMB->mode == MODE_INTER) &&
1889 :			(pMB->dquant == NO_CHANGE);
1890 :	syskin	903
1891 :	edgomez	851	if (pEnc->current->coding_type == S_VOP)
1892 :			skip_possible &= (pMB->mcsel == 1);
1893 :			else if (pEnc->current->coding_type == P_VOP) {
1894 :			if (pEnc->mbParam.m_quarterpel)
1895 :			skip_possible &= ( (pMB->qmvs[0].x == 0) && (pMB->qmvs[0].y == 0) );
1896 :	syskin	903	else
1897 :	edgomez	851	skip_possible &= ( (pMB->mvs[0].x == 0) && (pMB->mvs[0].y == 0) );
1898 :			}
1899 :	chl	347
1900 :	edgomez	851	if ( (pMB->mode == MODE_NOT_CODED) \|\| (skip_possible)) {
1901 :	chl	347
1902 :	edgomez	851	/* This is a candidate for SKIPping, but for P-VOPs check intermediate B-frames first */
1903 :
1904 :			if (pEnc->current->coding_type == P_VOP) /* special rule for P-VOP's SKIP */
1905 :			{
1906 :	syskin	903	int bSkip = 1;
1907 :
1908 :	edgomez	851	for (k=pEnc->bframenum_head; k< pEnc->bframenum_tail; k++)
1909 :			{
1910 :			int iSAD;
1911 :			iSAD = sad16(pEnc->reference->image.y + 16ypEnc->mbParam.edged_width + 16*x,
1912 :			pEnc->bframes[k]->image.y + 16ypEnc->mbParam.edged_width + 16*x,
1913 :			pEnc->mbParam.edged_width,BFRAME_SKIP_THRESHHOLD);
1914 :			if (iSAD >= BFRAME_SKIP_THRESHHOLD * pMB->quant)
1915 :	syskin	903	{ bSkip = 0;
1916 :	edgomez	851	break;
1917 :			}
1918 :			}
1919 :	syskin	903
1920 :	edgomez	851	if (!bSkip) { /* no SKIP, but trivial block */
1921 :			if(pEnc->mbParam.m_quarterpel) {
1922 :			VECTOR predMV = get_qpmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, 0);
1923 :	syskin	903	pMB->pmvs[0].x = - predMV.x;
1924 :			pMB->pmvs[0].y = - predMV.y;
1925 :	edgomez	851	}
1926 :			else {
1927 :			VECTOR predMV = get_pmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, 0);
1928 :	syskin	903	pMB->pmvs[0].x = - predMV.x;
1929 :			pMB->pmvs[0].y = - predMV.y;
1930 :	edgomez	851	}
1931 :			pMB->mode = MODE_INTER;
1932 :			pMB->cbp = 0;
1933 :			MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->current->sStat);
1934 :			stop_coding_timer();
1935 :
1936 :			continue; /* next MB */
1937 :			}
1938 :			}
1939 :			/* do SKIP */
1940 :
1941 :			pMB->mode = MODE_NOT_CODED;
1942 :			MBSkip(bs);
1943 :			stop_coding_timer();
1944 :			continue; /* next MB */
1945 :	edgomez	403	}
1946 :	edgomez	851	/* ordinary case: normal coded INTER/INTER4V block */
1947 :
1948 :			if (pEnc->current->global_flags & XVID_GREYSCALE)
1949 :			{ pMB->cbp &= 0x3C; /* keep only bits 5-2 */
1950 :			qcoeff[464+0]=0; / zero, because DC for INTRA MBs DC value is saved */
1951 :			qcoeff[5*64+0]=0;
1952 :			}
1953 :
1954 :			if(pEnc->mbParam.m_quarterpel) {
1955 :			VECTOR predMV = get_qpmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, 0);
1956 :	syskin	903	pMB->pmvs[0].x = pMB->qmvs[0].x - predMV.x;
1957 :			pMB->pmvs[0].y = pMB->qmvs[0].y - predMV.y;
1958 :	edgomez	851	DPRINTF(DPRINTF_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)", pMB->pmvs[0].x, pMB->pmvs[0].y, predMV.x, predMV.y, pMB->mvs[0].x, pMB->mvs[0].y);
1959 :			} else {
1960 :			VECTOR predMV = get_pmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, 0);
1961 :	syskin	903	pMB->pmvs[0].x = pMB->mvs[0].x - predMV.x;
1962 :			pMB->pmvs[0].y = pMB->mvs[0].y - predMV.y;
1963 :	edgomez	851	DPRINTF(DPRINTF_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)", pMB->pmvs[0].x, pMB->pmvs[0].y, predMV.x, predMV.y, pMB->mvs[0].x, pMB->mvs[0].y);
1964 :			}
1965 :
1966 :
1967 :			if (pMB->mode == MODE_INTER4V)
1968 :			{ int k;
1969 :			for (k=1;k<4;k++)
1970 :			{
1971 :			if(pEnc->mbParam.m_quarterpel) {
1972 :			VECTOR predMV = get_qpmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, k);
1973 :	syskin	903	pMB->pmvs[k].x = pMB->qmvs[k].x - predMV.x;
1974 :			pMB->pmvs[k].y = pMB->qmvs[k].y - predMV.y;
1975 :	edgomez	851	DPRINTF(DPRINTF_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)", pMB->pmvs[k].x, pMB->pmvs[k].y, predMV.x, predMV.y, pMB->mvs[k].x, pMB->mvs[k].y);
1976 :			} else {
1977 :			VECTOR predMV = get_pmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, k);
1978 :	syskin	903	pMB->pmvs[k].x = pMB->mvs[k].x - predMV.x;
1979 :			pMB->pmvs[k].y = pMB->mvs[k].y - predMV.y;
1980 :	edgomez	851	DPRINTF(DPRINTF_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)", pMB->pmvs[k].x, pMB->pmvs[k].y, predMV.x, predMV.y, pMB->mvs[k].x, pMB->mvs[k].y);
1981 :			}
1982 :
1983 :	chl	353	}
1984 :	chl	347	}
1985 :	syskin	903
1986 :	edgomez	851	MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->current->sStat);
1987 :			stop_coding_timer();
1988 :	chl	347
1989 :	Isibaar	3	}
1990 :			}
1991 :
1992 :	edgomez	851	if ((pEnc->current->global_flags & XVID_REDUCED))
1993 :			{
1994 :	syskin	903	image_deblock_rrv(&pEnc->current->image, pEnc->mbParam.edged_width,
1995 :	edgomez	851	pEnc->current->mbs, mb_width, mb_height, pEnc->mbParam.mb_width,
1996 :			16, XVID_DEC_DEBLOCKY\|XVID_DEC_DEBLOCKUV);
1997 :			}
1998 :
1999 :	Isibaar	3	emms();
2000 :
2001 :	edgomez	195	if (pEnc->current->global_flags & XVID_HINTEDME_GET) {
2002 :	h	101	HintedMEGet(pEnc, 0);
2003 :			}
2004 :
2005 :	edgomez	851	if (pEnc->current->sStat.iMvCount == 0)
2006 :			pEnc->current->sStat.iMvCount = 1;
2007 :	Isibaar	3
2008 :	edgomez	851	fSigma = (float) sqrt((float) pEnc->current->sStat.iMvSum / pEnc->current->sStat.iMvCount);
2009 :	Isibaar	3
2010 :	suxen_drol	136	iSearchRange = 1 << (3 + pEnc->mbParam.m_fcode);
2011 :	Isibaar	3
2012 :	edgomez	195	if ((fSigma > iSearchRange / 3)
2013 :	edgomez	867	&& (pEnc->mbParam.m_fcode <= (3 + pEnc->mbParam.m_quarterpel))) /* maximum search range 128 */
2014 :	edgomez	13	{
2015 :	suxen_drol	136	pEnc->mbParam.m_fcode++;
2016 :	Isibaar	3	iSearchRange *= 2;
2017 :	edgomez	195	} else if ((fSigma < iSearchRange / 6)
2018 :	edgomez	851	&& (pEnc->fMvPrevSigma >= 0)
2019 :			&& (pEnc->fMvPrevSigma < iSearchRange / 6)
2020 :	edgomez	867	&& (pEnc->mbParam.m_fcode >= (2 + pEnc->mbParam.m_quarterpel))) /* minimum search range 16 */
2021 :	edgomez	13	{
2022 :	suxen_drol	136	pEnc->mbParam.m_fcode--;
2023 :	Isibaar	3	iSearchRange /= 2;
2024 :	edgomez	13	}
2025 :	Isibaar	3
2026 :	edgomez	851	pEnc->fMvPrevSigma = fSigma;
2027 :	edgomez	195
2028 :	edgomez	851	/* frame drop code */
2029 :			DPRINTF(DPRINTF_DEBUG, "kmu %i %i %i", pEnc->current->sStat.kblks, pEnc->current->sStat.mblks, pEnc->current->sStat.ublks);
2030 :			if (pEnc->current->sStat.kblks + pEnc->current->sStat.mblks <
2031 :			(pEnc->mbParam.frame_drop_ratio * mb_width * mb_height) / 100)
2032 :			{
2033 :			pEnc->current->sStat.kblks = pEnc->current->sStat.mblks = 0;
2034 :			pEnc->current->sStat.ublks = mb_width * mb_height;
2035 :
2036 :			BitstreamReset(bs);
2037 :
2038 :			set_timecodes(pEnc->current,pEnc->reference,pEnc->mbParam.fbase);
2039 :			BitstreamWriteVopHeader(bs, &pEnc->mbParam, pEnc->current, 0);
2040 :
2041 :	edgomez	867	/* copy reference frame details into the current frame */
2042 :	edgomez	851	pEnc->current->quant = pEnc->reference->quant;
2043 :			pEnc->current->motion_flags = pEnc->reference->motion_flags;
2044 :			pEnc->current->rounding_type = pEnc->reference->rounding_type;
2045 :			pEnc->current->quarterpel = pEnc->reference->quarterpel;
2046 :			pEnc->current->fcode = pEnc->reference->fcode;
2047 :			pEnc->current->bcode = pEnc->reference->bcode;
2048 :			image_copy(&pEnc->current->image, &pEnc->reference->image, pEnc->mbParam.edged_width, pEnc->mbParam.height);
2049 :			memcpy(pEnc->current->mbs, pEnc->reference->mbs, sizeof(MACROBLOCK) * mb_width * mb_height);
2050 :			}
2051 :
2052 :			/* XXX: debug
2053 :			{
2054 :			char s[100];
2055 :			sprintf(s, "\\%05i_cur.pgm", pEnc->m_framenum);
2056 :	syskin	903	image_dump_yuvpgm(&pEnc->current->image,
2057 :	edgomez	851	pEnc->mbParam.edged_width,
2058 :			pEnc->mbParam.width, pEnc->mbParam.height, s);
2059 :	syskin	903
2060 :	edgomez	851	sprintf(s, "\\%05i_ref.pgm", pEnc->m_framenum);
2061 :	syskin	903	image_dump_yuvpgm(&pEnc->reference->image,
2062 :	edgomez	851	pEnc->mbParam.edged_width,
2063 :			pEnc->mbParam.width, pEnc->mbParam.height, s);
2064 :	syskin	903	}
2065 :	edgomez	851	*/
2066 :
2067 :
2068 :	Isibaar	3	pBits = BitstreamPos(bs) - pBits;
2069 :
2070 :	edgomez	867	return 0; /* inter */
2071 :	edgomez	851	}
2072 :	suxen_drol	118
2073 :	edgomez	851
2074 :			static void
2075 :			FrameCodeB(Encoder * pEnc,
2076 :			FRAMEINFO * frame,
2077 :			Bitstream * bs,
2078 :			uint32_t * pBits)
2079 :			{
2080 :			DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE);
2081 :			DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE);
2082 :			uint32_t x, y;
2083 :
2084 :			IMAGE *f_ref = &pEnc->reference->image;
2085 :			IMAGE *b_ref = &pEnc->current->image;
2086 :
2087 :			#ifdef BFRAMES_DEC_DEBUG
2088 :			FILE *fp;
2089 :			static char first=0;
2090 :			#define BFRAME_DEBUG if (!first && fp){ \
2091 :			fprintf(fp,"Y=%3d X=%3d MB=%2d CBP=%02X\n",y,x,mb->mode,mb->cbp); \
2092 :			}
2093 :
2094 :			pEnc->current->global_flags &= ~XVID_REDUCED; /* reduced resoltion not yet supported */
2095 :
2096 :			if (!first){
2097 :			fp=fopen("C:\\XVIDDBGE.TXT","w");
2098 :			}
2099 :			#endif
2100 :
2101 :			frame->quarterpel = pEnc->mbParam.m_quarterpel;
2102 :	syskin	903
2103 :	edgomez	867	/* forward */
2104 :	edgomez	851	image_setedges(f_ref, pEnc->mbParam.edged_width,
2105 :			pEnc->mbParam.edged_height, pEnc->mbParam.width,
2106 :			pEnc->mbParam.height);
2107 :			start_timer();
2108 :			image_interpolate(f_ref, &pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv,
2109 :			pEnc->mbParam.edged_width, pEnc->mbParam.edged_height,
2110 :			pEnc->mbParam.m_quarterpel, 0);
2111 :			stop_inter_timer();
2112 :
2113 :	edgomez	867	/* backward */
2114 :	edgomez	851	image_setedges(b_ref, pEnc->mbParam.edged_width,
2115 :			pEnc->mbParam.edged_height, pEnc->mbParam.width,
2116 :			pEnc->mbParam.height);
2117 :			start_timer();
2118 :			image_interpolate(b_ref, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV,
2119 :			pEnc->mbParam.edged_width, pEnc->mbParam.edged_height,
2120 :			pEnc->mbParam.m_quarterpel, 0);
2121 :			stop_inter_timer();
2122 :
2123 :			start_timer();
2124 :
2125 :	syskin	903	MotionEstimationBVOP(&pEnc->mbParam, frame,
2126 :	edgomez	867	((int32_t)(pEnc->current->stamp - frame->stamp)), /* time_bp */
2127 :			((int32_t)(pEnc->current->stamp - pEnc->reference->stamp)), /* time_pp */
2128 :			pEnc->reference->mbs, f_ref,
2129 :	edgomez	851	&pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv,
2130 :			pEnc->current, b_ref, &pEnc->vInterH,
2131 :			&pEnc->vInterV, &pEnc->vInterHV);
2132 :
2133 :
2134 :			stop_motion_timer();
2135 :	edgomez	867	/*
2136 :			if (test_quant_type(&pEnc->mbParam, pEnc->current)) {
2137 :			BitstreamWriteVolHeader(bs, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.quant_type);
2138 :			}
2139 :			*/
2140 :	edgomez	851
2141 :			frame->coding_type = B_VOP;
2142 :
2143 :			set_timecodes(frame, pEnc->reference,pEnc->mbParam.fbase);
2144 :			BitstreamWriteVopHeader(bs, &pEnc->mbParam, frame, 1);
2145 :
2146 :			*pBits = BitstreamPos(bs);
2147 :
2148 :			frame->sStat.iTextBits = 0;
2149 :			frame->sStat.iMvSum = 0;
2150 :			frame->sStat.iMvCount = 0;
2151 :			frame->sStat.kblks = frame->sStat.mblks = frame->sStat.ublks = 0;
2152 :
2153 :
2154 :			for (y = 0; y < pEnc->mbParam.mb_height; y++) {
2155 :			for (x = 0; x < pEnc->mbParam.mb_width; x++) {
2156 :			MACROBLOCK * const mb = &frame->mbs[x + y * pEnc->mbParam.mb_width];
2157 :			int direction = pEnc->mbParam.global & XVID_ALTERNATESCAN ? 2 : 0;
2158 :
2159 :	edgomez	867	/* decoder ignores mb when refence block is INTER(0,0), CBP=0 */
2160 :	edgomez	851	if (mb->mode == MODE_NOT_CODED) {
2161 :	edgomez	867	/* mb->mvs[0].x = mb->mvs[0].y = mb->cbp = 0; */
2162 :	edgomez	851	continue;
2163 :			}
2164 :
2165 :			if (mb->mode != MODE_DIRECT_NONE_MV) {
2166 :			MBMotionCompensationBVOP(&pEnc->mbParam, mb, x, y, &frame->image,
2167 :			f_ref, &pEnc->f_refh, &pEnc->f_refv,
2168 :			&pEnc->f_refhv, b_ref, &pEnc->vInterH,
2169 :			&pEnc->vInterV, &pEnc->vInterHV,
2170 :			dct_codes);
2171 :
2172 :			if (mb->mode == MODE_DIRECT_NO4V) mb->mode = MODE_DIRECT;
2173 :			mb->quant = frame->quant;
2174 :	syskin	903
2175 :	edgomez	851	mb->cbp =
2176 :			MBTransQuantInterBVOP(&pEnc->mbParam, frame, mb, dct_codes, qcoeff);
2177 :
2178 :			if ( (mb->mode == MODE_DIRECT) && (mb->cbp == 0)
2179 :			&& (mb->pmvs[3].x == 0) && (mb->pmvs[3].y == 0) ) {
2180 :	edgomez	867	mb->mode = MODE_DIRECT_NONE_MV; /* skipped */
2181 :	edgomez	851	}
2182 :			}
2183 :
2184 :			#ifdef BFRAMES_DEC_DEBUG
2185 :			BFRAME_DEBUG
2186 :			#endif
2187 :			start_timer();
2188 :			MBCodingBVOP(mb, qcoeff, frame->fcode, frame->bcode, bs,
2189 :			&frame->sStat, direction);
2190 :			stop_coding_timer();
2191 :			}
2192 :			}
2193 :
2194 :			emms();
2195 :
2196 :	edgomez	867	/* TODO: dynamic fcode/bcode ??? */
2197 :	edgomez	851
2198 :			pBits = BitstreamPos(bs) - pBits;
2199 :
2200 :			#ifdef BFRAMES_DEC_DEBUG
2201 :			if (!first){
2202 :			first=1;
2203 :			if (fp)
2204 :			fclose(fp);
2205 :			}
2206 :			#endif
2207 :	suxen_drol	118	}

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