Annotation of /xvidcore/src/encoder.c

Revision 1.94 - (view) (download)

1 :	edgomez	1.40	/*****************************************************************************
2 :	edgomez	1.29	*
3 :			* XVID MPEG-4 VIDEO CODEC
4 :	edgomez	1.91	* - Encoder main module -
5 :	edgomez	1.29	*
6 :	edgomez	1.91	* 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	1.77	*
15 :	edgomez	1.91	* 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	1.29	* 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 :	edgomez	1.79	*
29 :	chl	1.94	* $Id: encoder.c,v 1.93 2003/02/17 23:45:21 edgomez Exp $
30 :	edgomez	1.29	*
31 :	edgomez	1.40	****************************************************************************/
32 :	chl	1.64
33 :	Isibaar	1.1	#include <stdlib.h>
34 :			#include <stdio.h>
35 :			#include <math.h>
36 :	edgomez	1.42	#include <string.h>
37 :	Isibaar	1.1
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	1.91	#include "image/font.h"
44 :			#include "motion/sad.h"
45 :	suxen_drol	1.32	#include "motion/motion.h"
46 :	Isibaar	1.1	#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	1.2	#include "quant/quant_matrix.h"
55 :	Isibaar	1.7	#include "utils/mem_align.h"
56 :	Isibaar	1.1
57 :	edgomez	1.40	/*****************************************************************************
58 :			* Local macros
59 :			****************************************************************************/
60 :
61 :	Isibaar	1.1	#define ENC_CHECK(X) if(!(X)) return XVID_ERR_FORMAT
62 :	edgomez	1.91	#define SWAP(_T_,A,B) { _T_ tmp = A; A = B; B = tmp; }
63 :	Isibaar	1.1
64 :	edgomez	1.40	/*****************************************************************************
65 :			* Local function prototypes
66 :			****************************************************************************/
67 :
68 :	edgomez	1.39	static int FrameCodeI(Encoder * pEnc,
69 :	edgomez	1.41	Bitstream * bs,
70 :			uint32_t * pBits);
71 :	edgomez	1.39
72 :			static int FrameCodeP(Encoder * pEnc,
73 :	edgomez	1.41	Bitstream * bs,
74 :			uint32_t * pBits,
75 :			bool force_inter,
76 :			bool vol_header);
77 :	Isibaar	1.1
78 :	edgomez	1.91	static void FrameCodeB(Encoder * pEnc,
79 :			FRAMEINFO * frame,
80 :			Bitstream * bs,
81 :			uint32_t * pBits);
82 :
83 :	edgomez	1.40	/*****************************************************************************
84 :			* Local data
85 :			****************************************************************************/
86 :
87 :	edgomez	1.41	static int DQtab[4] = {
88 :	Isibaar	1.1	-1, -2, 1, 2
89 :			};
90 :
91 :	edgomez	1.41	static int iDQtab[5] = {
92 :	Isibaar	1.1	1, 0, NO_CHANGE, 2, 3
93 :			};
94 :
95 :
96 :	edgomez	1.40	/*****************************************************************************
97 :			* Encoder creation
98 :			*
99 :			* This function creates an Encoder instance, it allocates all necessary
100 :	edgomez	1.91	* image buffers (reference, current and bframes) and initialize the internal
101 :			* xvid encoder paremeters according to the XVID_ENC_PARAM input parameter.
102 :	edgomez	1.40	*
103 :			* The code seems to be very long but is very basic, mainly memory allocation
104 :			* and cleaning code.
105 :			*
106 :			* Returned values :
107 :			* - 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 :			*
112 :			****************************************************************************/
113 :
114 :			int
115 :			encoder_create(XVID_ENC_PARAM * pParam)
116 :	Isibaar	1.1	{
117 :	edgomez	1.3	Encoder *pEnc;
118 :	suxen_drol	1.44	int i;
119 :	Isibaar	1.1
120 :	edgomez	1.3	pParam->handle = NULL;
121 :	Isibaar	1.1
122 :	edgomez	1.3	ENC_CHECK(pParam);
123 :	Isibaar	1.1
124 :	edgomez	1.3	ENC_CHECK(pParam->width > 0 && pParam->width <= 1920);
125 :			ENC_CHECK(pParam->height > 0 && pParam->height <= 1280);
126 :			ENC_CHECK(!(pParam->width % 2));
127 :			ENC_CHECK(!(pParam->height % 2));
128 :	Isibaar	1.1
129 :	edgomez	1.39	/* Fps */
130 :
131 :	edgomez	1.41	if (pParam->fincr <= 0 \|\| pParam->fbase <= 0) {
132 :	Isibaar	1.1	pParam->fincr = 1;
133 :			pParam->fbase = 25;
134 :			}
135 :
136 :	edgomez	1.39	/*
137 :			* Simplify the "fincr/fbase" fraction
138 :			* (neccessary, since windows supplies us with huge numbers)
139 :			*/
140 :	Isibaar	1.1
141 :			i = pParam->fincr;
142 :	edgomez	1.41	while (i > 1) {
143 :			if (pParam->fincr % i == 0 && pParam->fbase % i == 0) {
144 :	Isibaar	1.1	pParam->fincr /= i;
145 :			pParam->fbase /= i;
146 :			i = pParam->fincr;
147 :			continue;
148 :			}
149 :			i--;
150 :			}
151 :
152 :	edgomez	1.41	if (pParam->fbase > 65535) {
153 :			float div = (float) pParam->fbase / 65535;
154 :
155 :			pParam->fbase = (int) (pParam->fbase / div);
156 :			pParam->fincr = (int) (pParam->fincr / div);
157 :	Isibaar	1.1	}
158 :
159 :	edgomez	1.39	/* Bitrate allocator defaults */
160 :
161 :	h	1.25	if (pParam->rc_bitrate <= 0)
162 :			pParam->rc_bitrate = 900000;
163 :	Isibaar	1.1
164 :	h	1.25	if (pParam->rc_reaction_delay_factor <= 0)
165 :			pParam->rc_reaction_delay_factor = 16;
166 :
167 :			if (pParam->rc_averaging_period <= 0)
168 :			pParam->rc_averaging_period = 100;
169 :
170 :			if (pParam->rc_buffer <= 0)
171 :			pParam->rc_buffer = 100;
172 :	Isibaar	1.1
173 :	edgomez	1.39	/* Max and min quantizers */
174 :
175 :	edgomez	1.3	if ((pParam->min_quantizer <= 0) \|\| (pParam->min_quantizer > 31))
176 :	Isibaar	1.1	pParam->min_quantizer = 1;
177 :
178 :	edgomez	1.3	if ((pParam->max_quantizer <= 0) \|\| (pParam->max_quantizer > 31))
179 :	Isibaar	1.1	pParam->max_quantizer = 31;
180 :
181 :	edgomez	1.39	if (pParam->max_quantizer < pParam->min_quantizer)
182 :			pParam->max_quantizer = pParam->min_quantizer;
183 :
184 :	edgomez	1.41	/* 1 keyframe each 10 seconds */
185 :	edgomez	1.39
186 :	edgomez	1.61	if (pParam->max_key_interval <= 0)
187 :	Isibaar	1.1	pParam->max_key_interval = 10 * pParam->fincr / pParam->fbase;
188 :	edgomez	1.41
189 :	edgomez	1.39	pEnc = (Encoder *) xvid_malloc(sizeof(Encoder), CACHE_LINE);
190 :			if (pEnc == NULL)
191 :	Isibaar	1.1	return XVID_ERR_MEMORY;
192 :
193 :	edgomez	1.42	/* Zero the Encoder Structure */
194 :
195 :			memset(pEnc, 0, sizeof(Encoder));
196 :
197 :	Isibaar	1.1	/* Fill members of Encoder structure */
198 :
199 :	edgomez	1.3	pEnc->mbParam.width = pParam->width;
200 :			pEnc->mbParam.height = pParam->height;
201 :	Isibaar	1.1
202 :			pEnc->mbParam.mb_width = (pEnc->mbParam.width + 15) / 16;
203 :			pEnc->mbParam.mb_height = (pEnc->mbParam.height + 15) / 16;
204 :
205 :	edgomez	1.41	pEnc->mbParam.edged_width = 16 * pEnc->mbParam.mb_width + 2 * EDGE_SIZE;
206 :			pEnc->mbParam.edged_height = 16 * pEnc->mbParam.mb_height + 2 * EDGE_SIZE;
207 :	Isibaar	1.1
208 :	suxen_drol	1.32	pEnc->mbParam.fbase = pParam->fbase;
209 :			pEnc->mbParam.fincr = pParam->fincr;
210 :	Isibaar	1.43
211 :			pEnc->mbParam.m_quant_type = H263_QUANT;
212 :	suxen_drol	1.32
213 :	edgomez	1.91	pEnc->fMvPrevSigma = -1;
214 :	Isibaar	1.1
215 :			/* Fill rate control parameters */
216 :
217 :	h	1.25	pEnc->bitrate = pParam->rc_bitrate;
218 :	Isibaar	1.1
219 :	edgomez	1.91	pEnc->iFrameNum = -1;
220 :			pEnc->mbParam.iMaxKeyInterval = pParam->max_key_interval;
221 :	Isibaar	1.1
222 :	suxen_drol	1.27	/* try to allocate frame memory */
223 :	h	1.16
224 :	edgomez	1.39	pEnc->current = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE);
225 :			pEnc->reference = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE);
226 :
227 :	edgomez	1.41	if (pEnc->current == NULL \|\| pEnc->reference == NULL)
228 :	edgomez	1.39	goto xvid_err_memory1;
229 :	suxen_drol	1.27
230 :			/* try to allocate mb memory */
231 :	h	1.16
232 :	edgomez	1.41	pEnc->current->mbs =
233 :			xvid_malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width *
234 :			pEnc->mbParam.mb_height, CACHE_LINE);
235 :			pEnc->reference->mbs =
236 :			xvid_malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width *
237 :			pEnc->mbParam.mb_height, CACHE_LINE);
238 :	Isibaar	1.1
239 :	edgomez	1.39	if (pEnc->current->mbs == NULL \|\| pEnc->reference->mbs == NULL)
240 :			goto xvid_err_memory2;
241 :	suxen_drol	1.27
242 :			/* try to allocate image memory */
243 :
244 :	edgomez	1.91	if (pParam->global & XVID_GLOBAL_EXTRASTATS)
245 :			image_null(&pEnc->sOriginal);
246 :
247 :			image_null(&pEnc->f_refh);
248 :			image_null(&pEnc->f_refv);
249 :			image_null(&pEnc->f_refhv);
250 :
251 :	suxen_drol	1.27	image_null(&pEnc->current->image);
252 :			image_null(&pEnc->reference->image);
253 :			image_null(&pEnc->vInterH);
254 :			image_null(&pEnc->vInterV);
255 :	edgomez	1.91	image_null(&pEnc->vInterVf);
256 :	suxen_drol	1.27	image_null(&pEnc->vInterHV);
257 :	edgomez	1.91	image_null(&pEnc->vInterHVf);
258 :	edgomez	1.39
259 :	edgomez	1.91	if (pParam->global & XVID_GLOBAL_EXTRASTATS)
260 :			{ if (image_create
261 :			(&pEnc->sOriginal, pEnc->mbParam.edged_width,
262 :			pEnc->mbParam.edged_height) < 0)
263 :			goto xvid_err_memory3;
264 :			}
265 :
266 :			if (image_create
267 :			(&pEnc->f_refh, pEnc->mbParam.edged_width,
268 :			pEnc->mbParam.edged_height) < 0)
269 :			goto xvid_err_memory3;
270 :			if (image_create
271 :			(&pEnc->f_refv, pEnc->mbParam.edged_width,
272 :			pEnc->mbParam.edged_height) < 0)
273 :			goto xvid_err_memory3;
274 :	edgomez	1.41	if (image_create
275 :	edgomez	1.91	(&pEnc->f_refhv, pEnc->mbParam.edged_width,
276 :	edgomez	1.41	pEnc->mbParam.edged_height) < 0)
277 :	edgomez	1.39	goto xvid_err_memory3;
278 :	edgomez	1.91
279 :	edgomez	1.41	if (image_create
280 :			(&pEnc->current->image, pEnc->mbParam.edged_width,
281 :			pEnc->mbParam.edged_height) < 0)
282 :	edgomez	1.39	goto xvid_err_memory3;
283 :	edgomez	1.41	if (image_create
284 :			(&pEnc->reference->image, pEnc->mbParam.edged_width,
285 :			pEnc->mbParam.edged_height) < 0)
286 :	edgomez	1.39	goto xvid_err_memory3;
287 :	edgomez	1.41	if (image_create
288 :			(&pEnc->vInterH, pEnc->mbParam.edged_width,
289 :			pEnc->mbParam.edged_height) < 0)
290 :	edgomez	1.39	goto xvid_err_memory3;
291 :	edgomez	1.41	if (image_create
292 :			(&pEnc->vInterV, pEnc->mbParam.edged_width,
293 :			pEnc->mbParam.edged_height) < 0)
294 :	edgomez	1.39	goto xvid_err_memory3;
295 :	edgomez	1.41	if (image_create
296 :	edgomez	1.91	(&pEnc->vInterVf, pEnc->mbParam.edged_width,
297 :			pEnc->mbParam.edged_height) < 0)
298 :			goto xvid_err_memory3;
299 :			if (image_create
300 :	edgomez	1.41	(&pEnc->vInterHV, pEnc->mbParam.edged_width,
301 :			pEnc->mbParam.edged_height) < 0)
302 :	edgomez	1.39	goto xvid_err_memory3;
303 :	edgomez	1.91	if (image_create
304 :			(&pEnc->vInterHVf, pEnc->mbParam.edged_width,
305 :			pEnc->mbParam.edged_height) < 0)
306 :			goto xvid_err_memory3;
307 :
308 :			/* Create full bitplane for GMC, this might be wasteful */
309 :			if (image_create
310 :			(&pEnc->vGMC, pEnc->mbParam.edged_width,
311 :			pEnc->mbParam.edged_height) < 0)
312 :			goto xvid_err_memory3;
313 :
314 :
315 :
316 :			pEnc->mbParam.global = pParam->global;
317 :
318 :			/* B Frames specific init */
319 :			pEnc->mbParam.max_bframes = pParam->max_bframes;
320 :			pEnc->mbParam.bquant_ratio = pParam->bquant_ratio;
321 :			pEnc->mbParam.bquant_offset = pParam->bquant_offset;
322 :			pEnc->mbParam.frame_drop_ratio = pParam->frame_drop_ratio;
323 :			pEnc->bframes = NULL;
324 :
325 :			if (pEnc->mbParam.max_bframes > 0) {
326 :			int n;
327 :
328 :			pEnc->bframes =
329 :			xvid_malloc(pEnc->mbParam.max_bframes * sizeof(FRAMEINFO *),
330 :			CACHE_LINE);
331 :
332 :			if (pEnc->bframes == NULL)
333 :			goto xvid_err_memory3;
334 :
335 :			for (n = 0; n < pEnc->mbParam.max_bframes; n++)
336 :			pEnc->bframes[n] = NULL;
337 :
338 :
339 :			for (n = 0; n < pEnc->mbParam.max_bframes; n++) {
340 :			pEnc->bframes[n] = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE);
341 :
342 :			if (pEnc->bframes[n] == NULL)
343 :			goto xvid_err_memory4;
344 :
345 :			pEnc->bframes[n]->mbs =
346 :			xvid_malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width *
347 :			pEnc->mbParam.mb_height, CACHE_LINE);
348 :
349 :			if (pEnc->bframes[n]->mbs == NULL)
350 :			goto xvid_err_memory4;
351 :
352 :			image_null(&pEnc->bframes[n]->image);
353 :
354 :			if (image_create
355 :			(&pEnc->bframes[n]->image, pEnc->mbParam.edged_width,
356 :			pEnc->mbParam.edged_height) < 0)
357 :			goto xvid_err_memory4;
358 :
359 :			}
360 :			}
361 :
362 :			pEnc->bframenum_head = 0;
363 :			pEnc->bframenum_tail = 0;
364 :			pEnc->flush_bframes = 0;
365 :			pEnc->bframenum_dx50bvop = -1;
366 :
367 :			pEnc->queue = NULL;
368 :
369 :
370 :			if (pEnc->mbParam.max_bframes > 0) {
371 :			int n;
372 :
373 :			pEnc->queue =
374 :			xvid_malloc(pEnc->mbParam.max_bframes * sizeof(IMAGE),
375 :			CACHE_LINE);
376 :
377 :			if (pEnc->queue == NULL)
378 :			goto xvid_err_memory4;
379 :
380 :			for (n = 0; n < pEnc->mbParam.max_bframes; n++)
381 :			image_null(&pEnc->queue[n]);
382 :
383 :			for (n = 0; n < pEnc->mbParam.max_bframes; n++) {
384 :			if (image_create
385 :			(&pEnc->queue[n], pEnc->mbParam.edged_width,
386 :			pEnc->mbParam.edged_height) < 0)
387 :			goto xvid_err_memory5;
388 :
389 :			}
390 :			}
391 :
392 :			pEnc->queue_head = 0;
393 :			pEnc->queue_tail = 0;
394 :			pEnc->queue_size = 0;
395 :
396 :			pEnc->mbParam.m_stamp = 0;
397 :
398 :			pEnc->m_framenum = 0;
399 :			pEnc->current->stamp = 0;
400 :			pEnc->reference->stamp = 0;
401 :	edgomez	1.39
402 :	edgomez	1.41	pParam->handle = (void *) pEnc;
403 :	Isibaar	1.1
404 :	edgomez	1.41	if (pParam->rc_bitrate) {
405 :			RateControlInit(&pEnc->rate_control, pParam->rc_bitrate,
406 :			pParam->rc_reaction_delay_factor,
407 :			pParam->rc_averaging_period, pParam->rc_buffer,
408 :			pParam->fbase * 1000 / pParam->fincr,
409 :			pParam->max_quantizer, pParam->min_quantizer);
410 :	Isibaar	1.1	}
411 :
412 :	Isibaar	1.6	init_timer();
413 :	Isibaar	1.1
414 :			return XVID_ERR_OK;
415 :	edgomez	1.39
416 :			/*
417 :			* We handle all XVID_ERR_MEMORY here, this makes the code lighter
418 :			*/
419 :
420 :	edgomez	1.91	xvid_err_memory5:
421 :
422 :
423 :			if (pEnc->mbParam.max_bframes > 0) {
424 :
425 :			for (i = 0; i < pEnc->mbParam.max_bframes; i++) {
426 :			image_destroy(&pEnc->queue[i], pEnc->mbParam.edged_width,
427 :			pEnc->mbParam.edged_height);
428 :			}
429 :			xvid_free(pEnc->queue);
430 :			}
431 :
432 :			xvid_err_memory4:
433 :
434 :			if (pEnc->mbParam.max_bframes > 0) {
435 :
436 :			for (i = 0; i < pEnc->mbParam.max_bframes; i++) {
437 :
438 :			if (pEnc->bframes[i] == NULL)
439 :			continue;
440 :
441 :			image_destroy(&pEnc->bframes[i]->image, pEnc->mbParam.edged_width,
442 :			pEnc->mbParam.edged_height);
443 :
444 :			xvid_free(pEnc->bframes[i]->mbs);
445 :
446 :			xvid_free(pEnc->bframes[i]);
447 :
448 :			}
449 :
450 :			xvid_free(pEnc->bframes);
451 :			}
452 :
453 :	edgomez	1.41	xvid_err_memory3:
454 :	edgomez	1.91
455 :			if (pEnc->mbParam.global & XVID_GLOBAL_EXTRASTATS)
456 :			{ image_destroy(&pEnc->sOriginal, pEnc->mbParam.edged_width,
457 :			pEnc->mbParam.edged_height);
458 :			}
459 :
460 :			image_destroy(&pEnc->f_refh, pEnc->mbParam.edged_width,
461 :			pEnc->mbParam.edged_height);
462 :			image_destroy(&pEnc->f_refv, pEnc->mbParam.edged_width,
463 :			pEnc->mbParam.edged_height);
464 :			image_destroy(&pEnc->f_refhv, pEnc->mbParam.edged_width,
465 :	edgomez	1.41	pEnc->mbParam.edged_height);
466 :	edgomez	1.39
467 :	edgomez	1.41	image_destroy(&pEnc->current->image, pEnc->mbParam.edged_width,
468 :			pEnc->mbParam.edged_height);
469 :			image_destroy(&pEnc->reference->image, pEnc->mbParam.edged_width,
470 :			pEnc->mbParam.edged_height);
471 :			image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width,
472 :			pEnc->mbParam.edged_height);
473 :			image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width,
474 :			pEnc->mbParam.edged_height);
475 :	edgomez	1.91	image_destroy(&pEnc->vInterVf, pEnc->mbParam.edged_width,
476 :			pEnc->mbParam.edged_height);
477 :	edgomez	1.41	image_destroy(&pEnc->vInterHV, pEnc->mbParam.edged_width,
478 :			pEnc->mbParam.edged_height);
479 :	edgomez	1.91	image_destroy(&pEnc->vInterHVf, pEnc->mbParam.edged_width,
480 :			pEnc->mbParam.edged_height);
481 :
482 :			/* destroy GMC image */
483 :			image_destroy(&pEnc->vGMC, pEnc->mbParam.edged_width,
484 :			pEnc->mbParam.edged_height);
485 :
486 :	edgomez	1.39
487 :	edgomez	1.41	xvid_err_memory2:
488 :	edgomez	1.39	xvid_free(pEnc->current->mbs);
489 :			xvid_free(pEnc->reference->mbs);
490 :
491 :	edgomez	1.41	xvid_err_memory1:
492 :	edgomez	1.39	xvid_free(pEnc->current);
493 :			xvid_free(pEnc->reference);
494 :			xvid_free(pEnc);
495 :
496 :	edgomez	1.40	pParam->handle = NULL;
497 :
498 :	edgomez	1.39	return XVID_ERR_MEMORY;
499 :	Isibaar	1.1	}
500 :
501 :	edgomez	1.40	/*****************************************************************************
502 :			* Encoder destruction
503 :			*
504 :			* This function destroy the entire encoder structure created by a previous
505 :			* successful encoder_create call.
506 :			*
507 :			* Returned values (for now only one returned value) :
508 :			* - XVID_ERR_OK - no errors
509 :			*
510 :			****************************************************************************/
511 :
512 :			int
513 :			encoder_destroy(Encoder * pEnc)
514 :	Isibaar	1.1	{
515 :	edgomez	1.91	int i;
516 :	suxen_drol	1.44
517 :	edgomez	1.3	ENC_CHECK(pEnc);
518 :	Isibaar	1.1
519 :	edgomez	1.91	/* B Frames specific */
520 :			if (pEnc->mbParam.max_bframes > 0) {
521 :
522 :			for (i = 0; i < pEnc->mbParam.max_bframes; i++) {
523 :
524 :			image_destroy(&pEnc->queue[i], pEnc->mbParam.edged_width,
525 :			pEnc->mbParam.edged_height);
526 :			}
527 :			xvid_free(pEnc->queue);
528 :			}
529 :
530 :
531 :			if (pEnc->mbParam.max_bframes > 0) {
532 :
533 :			for (i = 0; i < pEnc->mbParam.max_bframes; i++) {
534 :
535 :			if (pEnc->bframes[i] == NULL)
536 :			continue;
537 :
538 :			image_destroy(&pEnc->bframes[i]->image, pEnc->mbParam.edged_width,
539 :			pEnc->mbParam.edged_height);
540 :
541 :			xvid_free(pEnc->bframes[i]->mbs);
542 :
543 :			xvid_free(pEnc->bframes[i]);
544 :			}
545 :
546 :			xvid_free(pEnc->bframes);
547 :
548 :			}
549 :
550 :	edgomez	1.39	/* All images, reference, current etc ... */
551 :	edgomez	1.91
552 :	edgomez	1.41	image_destroy(&pEnc->current->image, pEnc->mbParam.edged_width,
553 :			pEnc->mbParam.edged_height);
554 :			image_destroy(&pEnc->reference->image, pEnc->mbParam.edged_width,
555 :			pEnc->mbParam.edged_height);
556 :			image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width,
557 :			pEnc->mbParam.edged_height);
558 :			image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width,
559 :			pEnc->mbParam.edged_height);
560 :	edgomez	1.91	image_destroy(&pEnc->vInterVf, pEnc->mbParam.edged_width,
561 :			pEnc->mbParam.edged_height);
562 :	edgomez	1.41	image_destroy(&pEnc->vInterHV, pEnc->mbParam.edged_width,
563 :			pEnc->mbParam.edged_height);
564 :	edgomez	1.91	image_destroy(&pEnc->vInterHVf, pEnc->mbParam.edged_width,
565 :			pEnc->mbParam.edged_height);
566 :	edgomez	1.78
567 :	edgomez	1.91	image_destroy(&pEnc->f_refh, pEnc->mbParam.edged_width,
568 :	edgomez	1.41	pEnc->mbParam.edged_height);
569 :	edgomez	1.91	image_destroy(&pEnc->f_refv, pEnc->mbParam.edged_width,
570 :			pEnc->mbParam.edged_height);
571 :			image_destroy(&pEnc->f_refhv, pEnc->mbParam.edged_width,
572 :			pEnc->mbParam.edged_height);
573 :
574 :			if (pEnc->mbParam.global & XVID_GLOBAL_EXTRASTATS)
575 :			{ image_destroy(&pEnc->sOriginal, pEnc->mbParam.edged_width,
576 :			pEnc->mbParam.edged_height);
577 :			}
578 :	edgomez	1.39
579 :			/* Encoder structure */
580 :	edgomez	1.91
581 :	suxen_drol	1.27	xvid_free(pEnc->current->mbs);
582 :			xvid_free(pEnc->current);
583 :
584 :			xvid_free(pEnc->reference->mbs);
585 :			xvid_free(pEnc->reference);
586 :
587 :	Isibaar	1.7	xvid_free(pEnc);
588 :	edgomez	1.39
589 :	edgomez	1.3	return XVID_ERR_OK;
590 :	Isibaar	1.1	}
591 :
592 :	suxen_drol	1.44
593 :	edgomez	1.91	static __inline void inc_frame_num(Encoder * pEnc)
594 :			{
595 :	edgomez	1.93	pEnc->current->stamp = pEnc->mbParam.m_stamp; /* first frame is zero */
596 :	edgomez	1.91	pEnc->mbParam.m_stamp += pEnc->mbParam.fincr;
597 :			}
598 :
599 :
600 :			static __inline void
601 :			queue_image(Encoder * pEnc, XVID_ENC_FRAME * pFrame)
602 :			{
603 :			if (pEnc->queue_size >= pEnc->mbParam.max_bframes)
604 :			{
605 :			DPRINTF(DPRINTF_DEBUG,"FATAL: QUEUE FULL");
606 :			return;
607 :			}
608 :
609 :			DPRINTF(DPRINTF_DEBUG,"*** QUEUE bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
610 :			pEnc->bframenum_head, pEnc->bframenum_tail,
611 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
612 :
613 :
614 :			start_timer();
615 :			if (image_input
616 :			(&pEnc->queue[pEnc->queue_tail], pEnc->mbParam.width, pEnc->mbParam.height,
617 :			pEnc->mbParam.edged_width, pFrame->image, pFrame->stride, pFrame->colorspace, pFrame->general & XVID_INTERLACING))
618 :			return;
619 :			stop_conv_timer();
620 :
621 :	edgomez	1.92	if ((pFrame->general & XVID_CHROMAOPT)) {
622 :			image_chroma_optimize(&pEnc->queue[pEnc->queue_tail],
623 :			pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width);
624 :			}
625 :
626 :	edgomez	1.91	pEnc->queue_size++;
627 :			pEnc->queue_tail = (pEnc->queue_tail + 1) % pEnc->mbParam.max_bframes;
628 :			}
629 :
630 :			static __inline void
631 :			set_timecodes(FRAMEINFO* pCur,FRAMEINFO *pRef, int32_t time_base)
632 :			{
633 :
634 :			pCur->ticks = (int32_t)pCur->stamp % time_base;
635 :			pCur->seconds = ((int32_t)pCur->stamp / time_base) - ((int32_t)pRef->stamp / time_base) ;
636 :
637 :	edgomez	1.93	/* HEAVY DEBUG OUTPUT remove when timecodes prove to be stable */
638 :	edgomez	1.91
639 :			/* fprintf(stderr,"WriteVop: %d - %d \n",
640 :			((int32_t)pCur->stamp / time_base), ((int32_t)pRef->stamp / time_base));
641 :			fprintf(stderr,"set_timecodes: VOP %1d stamp=%lld ref_stamp=%lld base=%d\n",
642 :			pCur->coding_type, pCur->stamp, pRef->stamp, time_base);
643 :			fprintf(stderr,"set_timecodes: VOP %1d seconds=%d ticks=%d (ref-sec=%d ref-tick=%d)\n",
644 :			pCur->coding_type, pCur->seconds, pCur->ticks, pRef->seconds, pRef->ticks);
645 :
646 :			*/
647 :			}
648 :
649 :
650 :
651 :			/* convert pFrame->intra to coding_type */
652 :			static int intra2coding_type(int intra)
653 :	suxen_drol	1.44	{
654 :	edgomez	1.91	if (intra < 0) return -1;
655 :			if (intra == 1) return I_VOP;
656 :			if (intra == 2) return B_VOP;
657 :
658 :			return P_VOP;
659 :	suxen_drol	1.32	}
660 :	suxen_drol	1.44
661 :	edgomez	1.91
662 :
663 :			/*****************************************************************************
664 :			* IPB frame encoder entry point
665 :			*
666 :			* Returned values :
667 :			* - XVID_ERR_OK - no errors
668 :			* - XVID_ERR_FORMAT - the image subsystem reported the image had a wrong
669 :			* format
670 :			****************************************************************************/
671 :
672 :			int
673 :			encoder_encode_bframes(Encoder * pEnc,
674 :			XVID_ENC_FRAME * pFrame,
675 :			XVID_ENC_STATS * pResult)
676 :			{
677 :			uint16_t x, y;
678 :			Bitstream bs;
679 :			uint32_t bits;
680 :			int mode;
681 :
682 :			int input_valid = 1;
683 :			int bframes_count = 0;
684 :
685 :			ENC_CHECK(pEnc);
686 :			ENC_CHECK(pFrame);
687 :			ENC_CHECK(pFrame->image);
688 :
689 :			start_global_timer();
690 :
691 :			BitstreamInit(&bs, pFrame->bitstream, 0);
692 :
693 :			ipvop_loop:
694 :
695 :			/*
696 :			* bframe "flush" code
697 :			*/
698 :
699 :			if ((pFrame->image == NULL \|\| pEnc->flush_bframes)
700 :			&& (pEnc->bframenum_head < pEnc->bframenum_tail)) {
701 :
702 :			if (pEnc->flush_bframes == 0) {
703 :			/*
704 :			* we have reached the end of stream without getting
705 :			* a future reference frame... so encode last final
706 :			* frame as a pframe
707 :			*/
708 :
709 :			DPRINTF(DPRINTF_DEBUG,"*** BFRAME (final frame) bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
710 :			pEnc->bframenum_head, pEnc->bframenum_tail,
711 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
712 :
713 :			pEnc->bframenum_tail--;
714 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->reference);
715 :
716 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->bframes[pEnc->bframenum_tail]);
717 :
718 :			FrameCodeP(pEnc, &bs, &bits, 1, 0);
719 :			bframes_count = 0;
720 :
721 :			BitstreamPadAlways(&bs);
722 :			pFrame->length = BitstreamLength(&bs);
723 :			pFrame->intra = 0;
724 :
725 :
726 :			emms();
727 :
728 :			if (pResult) {
729 :			pResult->quant = pEnc->current->quant;
730 :			pResult->hlength = pFrame->length - (pEnc->current->sStat.iTextBits / 8);
731 :			pResult->kblks = pEnc->current->sStat.kblks;
732 :			pResult->mblks = pEnc->current->sStat.mblks;
733 :			pResult->ublks = pEnc->current->sStat.ublks;
734 :			}
735 :
736 :			return XVID_ERR_OK;
737 :			}
738 :
739 :
740 :			DPRINTF(DPRINTF_DEBUG,"*** BFRAME (flush) bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
741 :			pEnc->bframenum_head, pEnc->bframenum_tail,
742 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
743 :
744 :			FrameCodeB(pEnc, pEnc->bframes[pEnc->bframenum_head], &bs, &bits);
745 :			pEnc->bframenum_head++;
746 :
747 :			BitstreamPadAlways(&bs);
748 :			pFrame->length = BitstreamLength(&bs);
749 :			pFrame->intra = 2;
750 :
751 :			if (pResult) {
752 :			pResult->quant = pEnc->current->quant;
753 :			pResult->hlength = pFrame->length - (pEnc->current->sStat.iTextBits / 8);
754 :			pResult->kblks = pEnc->current->sStat.kblks;
755 :			pResult->mblks = pEnc->current->sStat.mblks;
756 :			pResult->ublks = pEnc->current->sStat.ublks;
757 :			}
758 :
759 :			if (input_valid)
760 :			queue_image(pEnc, pFrame);
761 :
762 :			emms();
763 :
764 :			return XVID_ERR_OK;
765 :			}
766 :
767 :			if (pEnc->bframenum_head > 0) {
768 :			pEnc->bframenum_head = pEnc->bframenum_tail = 0;
769 :
770 :			/* write an empty marker to the bitstream.
771 :
772 :			for divx5 decoder compatibility, this marker must consist
773 :			of a not-coded p-vop, with a time_base of zero, and time_increment
774 :			indentical to the future-referece frame.
775 :			*/
776 :
777 :			if ((pEnc->mbParam.global & XVID_GLOBAL_PACKED)) {
778 :			int tmp;
779 :
780 :			DPRINTF(DPRINTF_DEBUG,"*** EMPTY bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
781 :			pEnc->bframenum_head, pEnc->bframenum_tail,
782 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
783 :
784 :
785 :			tmp = pEnc->current->seconds;
786 :			pEnc->current->seconds = 0; /* force time_base = 0 */
787 :
788 :			BitstreamWriteVopHeader(&bs, &pEnc->mbParam, pEnc->current, 0);
789 :			pEnc->current->seconds = tmp;
790 :
791 :			BitstreamPadAlways(&bs);
792 :			pFrame->length = BitstreamLength(&bs);
793 :			pFrame->intra = 4;
794 :
795 :			if (pResult) {
796 :			pResult->quant = pEnc->current->quant;
797 :			pResult->hlength = pFrame->length - (pEnc->current->sStat.iTextBits / 8);
798 :			pResult->kblks = pEnc->current->sStat.kblks;
799 :			pResult->mblks = pEnc->current->sStat.mblks;
800 :			pResult->ublks = pEnc->current->sStat.ublks;
801 :			}
802 :
803 :			if (input_valid)
804 :			queue_image(pEnc, pFrame);
805 :
806 :			emms();
807 :
808 :			return XVID_ERR_OK;
809 :			}
810 :			}
811 :
812 :
813 :			bvop_loop:
814 :
815 :			if (pEnc->bframenum_dx50bvop != -1)
816 :			{
817 :
818 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->reference);
819 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->bframes[pEnc->bframenum_dx50bvop]);
820 :
821 :			if ((pEnc->mbParam.global & XVID_GLOBAL_DEBUG)) {
822 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 100, "DX50 IVOP");
823 :			}
824 :
825 :			if (input_valid)
826 :			{
827 :			queue_image(pEnc, pFrame);
828 :			input_valid = 0;
829 :			}
830 :
831 :			} else if (input_valid) {
832 :
833 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->reference);
834 :
835 :			start_timer();
836 :			if (image_input
837 :			(&pEnc->current->image, pEnc->mbParam.width, pEnc->mbParam.height,
838 :			pEnc->mbParam.edged_width, pFrame->image, pFrame->stride, pFrame->colorspace, pFrame->general & XVID_INTERLACING))
839 :			{
840 :			emms();
841 :			return XVID_ERR_FORMAT;
842 :			}
843 :			stop_conv_timer();
844 :
845 :	edgomez	1.92	if ((pFrame->general & XVID_CHROMAOPT)) {
846 :			image_chroma_optimize(&pEnc->current->image,
847 :			pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width);
848 :			}
849 :
850 :	edgomez	1.93	/* queue input frame, and dequue next image */
851 :	edgomez	1.91	if (pEnc->queue_size > 0)
852 :			{
853 :			image_swap(&pEnc->current->image, &pEnc->queue[pEnc->queue_tail]);
854 :			if (pEnc->queue_head != pEnc->queue_tail)
855 :			{
856 :			image_swap(&pEnc->current->image, &pEnc->queue[pEnc->queue_head]);
857 :			}
858 :			pEnc->queue_head = (pEnc->queue_head + 1) % pEnc->mbParam.max_bframes;
859 :			pEnc->queue_tail = (pEnc->queue_tail + 1) % pEnc->mbParam.max_bframes;
860 :			}
861 :
862 :			} else if (pEnc->queue_size > 0) {
863 :
864 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->reference);
865 :
866 :			image_swap(&pEnc->current->image, &pEnc->queue[pEnc->queue_head]);
867 :			pEnc->queue_head = (pEnc->queue_head + 1) % pEnc->mbParam.max_bframes;
868 :			pEnc->queue_size--;
869 :
870 :			} else {
871 :
872 :			/* if nothing was encoded, write an 'ignore this frame' flag
873 :			to the bitstream */
874 :
875 :			if (BitstreamPos(&bs) == 0) {
876 :
877 :			DPRINTF(DPRINTF_DEBUG,"*** SKIP bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
878 :			pEnc->bframenum_head, pEnc->bframenum_tail,
879 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
880 :
881 :	edgomez	1.93	/* That disabled line of code was supposed to inform VirtualDub
882 :			* that the frame was a dummy delay frame - now disabled (thx god :-)
883 :			*/
884 :			/* BitstreamPutBits(&bs, 0x7f, 8); */
885 :	edgomez	1.91	pFrame->intra = 5;
886 :
887 :			if (pResult) {
888 :			/*
889 :			* We must decide what to put there because i know some apps
890 :			* are storing statistics about quantizers and just do
891 :			* stats[quant]++ or stats[quant-1]++
892 :			* transcode is one of these app with its 2pass module
893 :			*/
894 :
895 :			/*
896 :			* For now i prefer 31 than 0 that could lead to a segfault
897 :			* in transcode
898 :			*/
899 :			pResult->quant = 31;
900 :
901 :			pResult->hlength = 0;
902 :			pResult->kblks = 0;
903 :			pResult->mblks = 0;
904 :			pResult->ublks = 0;
905 :			}
906 :
907 :			} else {
908 :
909 :			if (pResult) {
910 :			pResult->quant = pEnc->current->quant;
911 :			pResult->hlength = pFrame->length - (pEnc->current->sStat.iTextBits / 8);
912 :			pResult->kblks = pEnc->current->sStat.kblks;
913 :			pResult->mblks = pEnc->current->sStat.mblks;
914 :			pResult->ublks = pEnc->current->sStat.ublks;
915 :			}
916 :
917 :			}
918 :
919 :			pFrame->length = BitstreamLength(&bs);
920 :
921 :			emms();
922 :
923 :			return XVID_ERR_OK;
924 :			}
925 :
926 :			pEnc->flush_bframes = 0;
927 :
928 :			emms();
929 :
930 :	edgomez	1.93	/* only inc frame num, adapt quant, etc. if we havent seen it before */
931 :	edgomez	1.91	if (pEnc->bframenum_dx50bvop < 0 )
932 :			{
933 :			mode = intra2coding_type(pFrame->intra);
934 :			if (pFrame->quant == 0)
935 :			pEnc->current->quant = RateControlGetQ(&pEnc->rate_control, 0);
936 :			else
937 :			pEnc->current->quant = pFrame->quant;
938 :
939 :			/* if (pEnc->current->quant < 1)
940 :			pEnc->current->quant = 1;
941 :
942 :			if (pEnc->current->quant > 31)
943 :			pEnc->current->quant = 31;
944 :			*/
945 :			pEnc->current->global_flags = pFrame->general;
946 :			pEnc->current->motion_flags = pFrame->motion;
947 :
948 :			/* ToDo : dynamic fcode (in both directions) */
949 :			pEnc->current->fcode = pEnc->mbParam.m_fcode;
950 :			pEnc->current->bcode = pEnc->mbParam.m_fcode;
951 :
952 :			inc_frame_num(pEnc);
953 :
954 :			if (pFrame->general & XVID_EXTRASTATS)
955 :			{ image_copy(&pEnc->sOriginal, &pEnc->current->image,
956 :			pEnc->mbParam.edged_width, pEnc->mbParam.height);
957 :			}
958 :
959 :			emms();
960 :
961 :			if ((pEnc->mbParam.global & XVID_GLOBAL_DEBUG)) {
962 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 5,
963 :			"%i if:%i st:%i", pEnc->m_framenum++, pEnc->iFrameNum, pEnc->current->stamp);
964 :			}
965 :
966 :			/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
967 :			* Luminance masking
968 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
969 :
970 :			if ((pEnc->current->global_flags & XVID_LUMIMASKING)) {
971 :			int *temp_dquants =
972 :			(int ) xvid_malloc(pEnc->mbParam.mb_width
973 :			pEnc->mbParam.mb_height * sizeof(int),
974 :			CACHE_LINE);
975 :
976 :			pEnc->current->quant =
977 :			adaptive_quantization(pEnc->current->image.y,
978 :			pEnc->mbParam.edged_width, temp_dquants,
979 :			pEnc->current->quant, pEnc->current->quant,
980 :			2 * pEnc->current->quant,
981 :			pEnc->mbParam.mb_width,
982 :			pEnc->mbParam.mb_height);
983 :
984 :			for (y = 0; y < pEnc->mbParam.mb_height; y++) {
985 :
986 :			#define OFFSET(x,y) ((x) + (y)*pEnc->mbParam.mb_width)
987 :
988 :			for (x = 0; x < pEnc->mbParam.mb_width; x++) {
989 :			MACROBLOCK *pMB = &pEnc->current->mbs[OFFSET(x, y)];
990 :
991 :			pMB->dquant = iDQtab[temp_dquants[OFFSET(x, y)] + 2];
992 :			}
993 :
994 :			#undef OFFSET
995 :			}
996 :
997 :			xvid_free(temp_dquants);
998 :			}
999 :
1000 :			}
1001 :
1002 :			/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1003 :			* ivop/pvop/bvop selection
1004 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
1005 :			pEnc->iFrameNum++;
1006 :
1007 :			if (pEnc->iFrameNum == 0 \|\| pEnc->bframenum_dx50bvop >= 0 \|\|
1008 :			(mode < 0 && pEnc->mbParam.iMaxKeyInterval > 0 &&
1009 :			pEnc->iFrameNum >= pEnc->mbParam.iMaxKeyInterval))
1010 :			{
1011 :			mode = I_VOP;
1012 :			}else{
1013 :			mode = MEanalysis(&pEnc->reference->image, pEnc->current,
1014 :			&pEnc->mbParam, pEnc->mbParam.iMaxKeyInterval,
1015 :			(mode < 0) ? pEnc->iFrameNum : 0,
1016 :			bframes_count++);
1017 :			}
1018 :
1019 :			if (mode == I_VOP) {
1020 :			/*
1021 :			* This will be coded as an Intra Frame
1022 :			*/
1023 :			if ((pEnc->current->global_flags & XVID_QUARTERPEL))
1024 :			pEnc->mbParam.m_quarterpel = 1;
1025 :			else
1026 :			pEnc->mbParam.m_quarterpel = 0;
1027 :
1028 :			if (pEnc->current->global_flags & XVID_MPEGQUANT) pEnc->mbParam.m_quant_type = MPEG4_QUANT;
1029 :
1030 :			if ((pEnc->current->global_flags & XVID_CUSTOM_QMATRIX) > 0) {
1031 :			if (pFrame->quant_intra_matrix != NULL)
1032 :			set_intra_matrix(pFrame->quant_intra_matrix);
1033 :			if (pFrame->quant_inter_matrix != NULL)
1034 :			set_inter_matrix(pFrame->quant_inter_matrix);
1035 :			}
1036 :
1037 :
1038 :			DPRINTF(DPRINTF_DEBUG,"*** IFRAME bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
1039 :			pEnc->bframenum_head, pEnc->bframenum_tail,
1040 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
1041 :
1042 :			if ((pEnc->mbParam.global & XVID_GLOBAL_DEBUG)) {
1043 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "IVOP");
1044 :			}
1045 :
1046 :	edgomez	1.93	/* when we reach an iframe in DX50BVOP mode, encode the last bframe as a pframe */
1047 :	edgomez	1.91
1048 :			if ((pEnc->mbParam.global & XVID_GLOBAL_DX50BVOP) && pEnc->bframenum_tail > 0) {
1049 :
1050 :			pEnc->bframenum_tail--;
1051 :			pEnc->bframenum_dx50bvop = pEnc->bframenum_tail;
1052 :
1053 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->bframes[pEnc->bframenum_dx50bvop]);
1054 :			if ((pEnc->mbParam.global & XVID_GLOBAL_DEBUG)) {
1055 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 100, "DX50 BVOP->PVOP");
1056 :			}
1057 :			FrameCodeP(pEnc, &bs, &bits, 1, 0);
1058 :			bframes_count = 0;
1059 :			pFrame->intra = 0;
1060 :
1061 :			} else {
1062 :
1063 :			FrameCodeI(pEnc, &bs, &bits);
1064 :			bframes_count = 0;
1065 :			pFrame->intra = 1;
1066 :
1067 :			pEnc->bframenum_dx50bvop = -1;
1068 :			}
1069 :
1070 :			pEnc->flush_bframes = 1;
1071 :
1072 :			if ((pEnc->mbParam.global & XVID_GLOBAL_PACKED) && pEnc->bframenum_tail > 0) {
1073 :			BitstreamPadAlways(&bs);
1074 :			input_valid = 0;
1075 :			goto ipvop_loop;
1076 :			}
1077 :
1078 :			/*
1079 :			* NB : sequences like "IIBB" decode fine with msfdam but,
1080 :			* go screwy with divx 5.00
1081 :			*/
1082 :			} else if (mode == P_VOP \|\| mode == S_VOP \|\| pEnc->bframenum_tail >= pEnc->mbParam.max_bframes) {
1083 :			/*
1084 :			* This will be coded as a Predicted Frame
1085 :			*/
1086 :
1087 :			DPRINTF(DPRINTF_DEBUG,"*** PFRAME bf: head=%i tail=%i queue: head=%i tail=%i size=%i",
1088 :			pEnc->bframenum_head, pEnc->bframenum_tail,
1089 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
1090 :
1091 :			if ((pEnc->mbParam.global & XVID_GLOBAL_DEBUG)) {
1092 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "PVOP");
1093 :			}
1094 :
1095 :			FrameCodeP(pEnc, &bs, &bits, 1, 0);
1096 :			bframes_count = 0;
1097 :			pFrame->intra = 0;
1098 :			pEnc->flush_bframes = 1;
1099 :
1100 :			if ((pEnc->mbParam.global & XVID_GLOBAL_PACKED) && (pEnc->bframenum_tail > 0)) {
1101 :			BitstreamPadAlways(&bs);
1102 :			input_valid = 0;
1103 :			goto ipvop_loop;
1104 :			}
1105 :
1106 :			} else { /* mode == B_VOP */
1107 :			/*
1108 :			* This will be coded as a Bidirectional Frame
1109 :			*/
1110 :
1111 :			if ((pEnc->mbParam.global & XVID_GLOBAL_DEBUG)) {
1112 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "BVOP");
1113 :			}
1114 :
1115 :			if (pFrame->bquant < 1) {
1116 :			pEnc->current->quant = ((((pEnc->reference->quant + pEnc->current->quant) *
1117 :			pEnc->mbParam.bquant_ratio) / 2) + pEnc->mbParam.bquant_offset)/100;
1118 :
1119 :			} else {
1120 :			pEnc->current->quant = pFrame->bquant;
1121 :			}
1122 :
1123 :			if (pEnc->current->quant < 1)
1124 :			pEnc->current->quant = 1;
1125 :			else if (pEnc->current->quant > 31)
1126 :			pEnc->current->quant = 31;
1127 :
1128 :			DPRINTF(DPRINTF_DEBUG,"*** BFRAME (store) bf: head=%i tail=%i queue: head=%i tail=%i size=%i quant=%i\n",
1129 :			pEnc->bframenum_head, pEnc->bframenum_tail,
1130 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size,pEnc->current->quant);
1131 :
1132 :			/* store frame into bframe buffer & swap ref back to current */
1133 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->bframes[pEnc->bframenum_tail]);
1134 :			SWAP(FRAMEINFO *, pEnc->current, pEnc->reference);
1135 :
1136 :			pEnc->bframenum_tail++;
1137 :
1138 :	edgomez	1.93	/* bframe report by koepi */
1139 :	edgomez	1.91	pFrame->intra = 2;
1140 :			pFrame->length = 0;
1141 :
1142 :			input_valid = 0;
1143 :			goto bvop_loop;
1144 :			}
1145 :
1146 :			BitstreamPadAlways(&bs);
1147 :			pFrame->length = BitstreamLength(&bs);
1148 :
1149 :			if (pResult) {
1150 :			pResult->quant = pEnc->current->quant;
1151 :			pResult->hlength = pFrame->length - (pEnc->current->sStat.iTextBits / 8);
1152 :			pResult->kblks = pEnc->current->sStat.kblks;
1153 :			pResult->mblks = pEnc->current->sStat.mblks;
1154 :			pResult->ublks = pEnc->current->sStat.ublks;
1155 :
1156 :			if (pFrame->general & XVID_EXTRASTATS)
1157 :			{ pResult->sse_y =
1158 :			plane_sse( pEnc->sOriginal.y, pEnc->current->image.y,
1159 :			pEnc->mbParam.edged_width, pEnc->mbParam.width,
1160 :			pEnc->mbParam.height);
1161 :
1162 :			pResult->sse_u =
1163 :			plane_sse( pEnc->sOriginal.u, pEnc->current->image.u,
1164 :			pEnc->mbParam.edged_width/2, pEnc->mbParam.width/2,
1165 :			pEnc->mbParam.height/2);
1166 :
1167 :			pResult->sse_v =
1168 :			plane_sse( pEnc->sOriginal.v, pEnc->current->image.v,
1169 :			pEnc->mbParam.edged_width/2, pEnc->mbParam.width/2,
1170 :			pEnc->mbParam.height/2);
1171 :			}
1172 :			}
1173 :
1174 :			emms();
1175 :
1176 :			if (pFrame->quant == 0) {
1177 :			RateControlUpdate(&pEnc->rate_control, pEnc->current->quant,
1178 :			pFrame->length, pFrame->intra);
1179 :			}
1180 :
1181 :			stop_global_timer();
1182 :			write_timer();
1183 :
1184 :			emms();
1185 :			return XVID_ERR_OK;
1186 :			}
1187 :
1188 :
1189 :
1190 :	edgomez	1.40	/*****************************************************************************
1191 :	suxen_drol	1.44	* "original" IP frame encoder entry point
1192 :			*
1193 :			* Returned values :
1194 :			* - XVID_ERR_OK - no errors
1195 :			* - XVID_ERR_FORMAT - the image subsystem reported the image had a wrong
1196 :			* format
1197 :	edgomez	1.40	****************************************************************************/
1198 :	suxen_drol	1.44
1199 :	edgomez	1.40	int
1200 :			encoder_encode(Encoder * pEnc,
1201 :	edgomez	1.41	XVID_ENC_FRAME * pFrame,
1202 :			XVID_ENC_STATS * pResult)
1203 :	Isibaar	1.1	{
1204 :	edgomez	1.3	uint16_t x, y;
1205 :			Bitstream bs;
1206 :			uint32_t bits;
1207 :	Isibaar	1.2	uint16_t write_vol_header = 0;
1208 :	edgomez	1.41
1209 :	Isibaar	1.23	float psnr;
1210 :	chl	1.94	char temp[128];
1211 :	Isibaar	1.1
1212 :			start_global_timer();
1213 :
1214 :	edgomez	1.3	ENC_CHECK(pEnc);
1215 :			ENC_CHECK(pFrame);
1216 :			ENC_CHECK(pFrame->bitstream);
1217 :			ENC_CHECK(pFrame->image);
1218 :	Isibaar	1.1
1219 :	edgomez	1.91	SWAP(FRAMEINFO *, pEnc->current, pEnc->reference);
1220 :	suxen_drol	1.27
1221 :			pEnc->current->global_flags = pFrame->general;
1222 :			pEnc->current->motion_flags = pFrame->motion;
1223 :	h	1.20	pEnc->mbParam.hint = &pFrame->hint;
1224 :	Isibaar	1.1
1225 :	edgomez	1.91	inc_frame_num(pEnc);
1226 :
1227 :			/* disable alternate scan flag if interlacing is not enabled */
1228 :			if ((pEnc->current->global_flags & XVID_ALTERNATESCAN) &&
1229 :			!(pEnc->current->global_flags & XVID_INTERLACING))
1230 :			{
1231 :			pEnc->current->global_flags -= XVID_ALTERNATESCAN;
1232 :			}
1233 :
1234 :	Isibaar	1.1	start_timer();
1235 :	edgomez	1.41	if (image_input
1236 :			(&pEnc->current->image, pEnc->mbParam.width, pEnc->mbParam.height,
1237 :	edgomez	1.91	pEnc->mbParam.edged_width, pFrame->image, pFrame->stride, pFrame->colorspace, pFrame->general & XVID_INTERLACING) < 0)
1238 :	Isibaar	1.1	return XVID_ERR_FORMAT;
1239 :			stop_conv_timer();
1240 :	edgomez	1.92
1241 :			if ((pFrame->general & XVID_CHROMAOPT)) {
1242 :			image_chroma_optimize(&pEnc->current->image,
1243 :			pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width);
1244 :			}
1245 :	Isibaar	1.1
1246 :	edgomez	1.91	if (pFrame->general & XVID_EXTRASTATS)
1247 :			{ image_copy(&pEnc->sOriginal, &pEnc->current->image,
1248 :			pEnc->mbParam.edged_width, pEnc->mbParam.height);
1249 :			}
1250 :	Isibaar	1.23
1251 :	edgomez	1.42	emms();
1252 :	suxen_drol	1.27
1253 :	edgomez	1.3	BitstreamInit(&bs, pFrame->bitstream, 0);
1254 :	Isibaar	1.1
1255 :	edgomez	1.41	if (pFrame->quant == 0) {
1256 :			pEnc->current->quant = RateControlGetQ(&pEnc->rate_control, 0);
1257 :			} else {
1258 :	suxen_drol	1.27	pEnc->current->quant = pFrame->quant;
1259 :	Isibaar	1.1	}
1260 :
1261 :	edgomez	1.91	if ((pEnc->current->global_flags & XVID_QUARTERPEL))
1262 :			pEnc->mbParam.m_quarterpel = 1;
1263 :			else
1264 :			pEnc->mbParam.m_quarterpel = 0;
1265 :
1266 :	edgomez	1.41	if ((pEnc->current->global_flags & XVID_LUMIMASKING)) {
1267 :			int *temp_dquants =
1268 :			(int ) xvid_malloc(pEnc->mbParam.mb_width
1269 :			pEnc->mbParam.mb_height * sizeof(int),
1270 :			CACHE_LINE);
1271 :
1272 :	edgomez	1.40	pEnc->current->quant =
1273 :			adaptive_quantization(pEnc->current->image.y,
1274 :	edgomez	1.41	pEnc->mbParam.edged_width, temp_dquants,
1275 :			pEnc->current->quant, pEnc->current->quant,
1276 :			2 * pEnc->current->quant,
1277 :			pEnc->mbParam.mb_width,
1278 :			pEnc->mbParam.mb_height);
1279 :
1280 :			for (y = 0; y < pEnc->mbParam.mb_height; y++) {
1281 :	edgomez	1.40
1282 :	edgomez	1.41	#define OFFSET(x,y) ((x) + (y)*pEnc->mbParam.mb_width)
1283 :
1284 :			for (x = 0; x < pEnc->mbParam.mb_width; x++) {
1285 :	edgomez	1.40
1286 :
1287 :	edgomez	1.41	MACROBLOCK *pMB = &pEnc->current->mbs[OFFSET(x, y)];
1288 :	edgomez	1.40
1289 :	edgomez	1.41	pMB->dquant = iDQtab[temp_dquants[OFFSET(x, y)] + 2];
1290 :	Isibaar	1.1	}
1291 :	edgomez	1.40
1292 :	edgomez	1.41	#undef OFFSET
1293 :	edgomez	1.40	}
1294 :
1295 :	Isibaar	1.7	xvid_free(temp_dquants);
1296 :	Isibaar	1.1	}
1297 :
1298 :	edgomez	1.41	if (pEnc->current->global_flags & XVID_H263QUANT) {
1299 :			if (pEnc->mbParam.m_quant_type != H263_QUANT)
1300 :	Isibaar	1.4	write_vol_header = 1;
1301 :	suxen_drol	1.27	pEnc->mbParam.m_quant_type = H263_QUANT;
1302 :	edgomez	1.41	} else if (pEnc->current->global_flags & XVID_MPEGQUANT) {
1303 :	edgomez	1.40	int matrix1_changed, matrix2_changed;
1304 :	Isibaar	1.1
1305 :	edgomez	1.40	matrix1_changed = matrix2_changed = 0;
1306 :	edgomez	1.13
1307 :	edgomez	1.41	if (pEnc->mbParam.m_quant_type != MPEG4_QUANT)
1308 :	Isibaar	1.4	write_vol_header = 1;
1309 :	edgomez	1.41
1310 :	suxen_drol	1.27	pEnc->mbParam.m_quant_type = MPEG4_QUANT;
1311 :	edgomez	1.41
1312 :	suxen_drol	1.27	if ((pEnc->current->global_flags & XVID_CUSTOM_QMATRIX) > 0) {
1313 :	edgomez	1.41	if (pFrame->quant_intra_matrix != NULL)
1314 :			matrix1_changed = set_intra_matrix(pFrame->quant_intra_matrix);
1315 :			if (pFrame->quant_inter_matrix != NULL)
1316 :			matrix2_changed = set_inter_matrix(pFrame->quant_inter_matrix);
1317 :			} else {
1318 :	edgomez	1.40	matrix1_changed = set_intra_matrix(get_default_intra_matrix());
1319 :			matrix2_changed = set_inter_matrix(get_default_inter_matrix());
1320 :	Isibaar	1.4	}
1321 :	edgomez	1.41	if (write_vol_header == 0)
1322 :	edgomez	1.40	write_vol_header = matrix1_changed \| matrix2_changed;
1323 :	Isibaar	1.2	}
1324 :	Isibaar	1.1
1325 :	edgomez	1.41	if (pFrame->intra < 0) {
1326 :	edgomez	1.91	if ((pEnc->iFrameNum == -1)
1327 :			\|\| ((pEnc->mbParam.iMaxKeyInterval > 0)
1328 :			&& (pEnc->iFrameNum >= pEnc->mbParam.iMaxKeyInterval))) {
1329 :	edgomez	1.41	pFrame->intra = FrameCodeI(pEnc, &bs, &bits);
1330 :			} else {
1331 :			pFrame->intra = FrameCodeP(pEnc, &bs, &bits, 0, write_vol_header);
1332 :	edgomez	1.40	}
1333 :	edgomez	1.41	} else {
1334 :			if (pFrame->intra == 1) {
1335 :			pFrame->intra = FrameCodeI(pEnc, &bs, &bits);
1336 :			} else {
1337 :			pFrame->intra = FrameCodeP(pEnc, &bs, &bits, 1, write_vol_header);
1338 :	edgomez	1.40	}
1339 :
1340 :	edgomez	1.3	}
1341 :	Isibaar	1.1
1342 :	edgomez	1.93	/* Relic from OpenDivX - now disabled
1343 :			BitstreamPutBits(&bs, 0xFFFF, 16);
1344 :			BitstreamPutBits(&bs, 0xFFFF, 16);
1345 :			*/
1346 :
1347 :	edgomez	1.91	BitstreamPadAlways(&bs);
1348 :	edgomez	1.3	pFrame->length = BitstreamLength(&bs);
1349 :	h	1.5
1350 :	edgomez	1.41	if (pResult) {
1351 :	suxen_drol	1.27	pResult->quant = pEnc->current->quant;
1352 :	edgomez	1.91	pResult->hlength = pFrame->length - (pEnc->current->sStat.iTextBits / 8);
1353 :			pResult->kblks = pEnc->current->sStat.kblks;
1354 :			pResult->mblks = pEnc->current->sStat.mblks;
1355 :			pResult->ublks = pEnc->current->sStat.ublks;
1356 :	edgomez	1.3	}
1357 :	edgomez	1.41
1358 :	edgomez	1.42	emms();
1359 :	Isibaar	1.7
1360 :	edgomez	1.41	if (pFrame->quant == 0) {
1361 :	edgomez	1.91	RateControlUpdate(&pEnc->rate_control, pEnc->current->quant,
1362 :	edgomez	1.41	pFrame->length, pFrame->intra);
1363 :	Isibaar	1.1	}
1364 :	edgomez	1.91	if (pFrame->general & XVID_EXTRASTATS)
1365 :			{
1366 :			psnr =
1367 :			image_psnr(&pEnc->sOriginal, &pEnc->current->image,
1368 :			pEnc->mbParam.edged_width, pEnc->mbParam.width,
1369 :			pEnc->mbParam.height);
1370 :
1371 :			snprintf(temp, 127, "PSNR: %f\n", psnr);
1372 :			}
1373 :	Isibaar	1.1
1374 :			pEnc->iFrameNum++;
1375 :	edgomez	1.41
1376 :	Isibaar	1.1	stop_global_timer();
1377 :			write_timer();
1378 :
1379 :			return XVID_ERR_OK;
1380 :			}
1381 :
1382 :
1383 :	edgomez	1.41	static __inline void
1384 :			CodeIntraMB(Encoder * pEnc,
1385 :			MACROBLOCK * pMB)
1386 :			{
1387 :	Isibaar	1.1
1388 :			pMB->mode = MODE_INTRA;
1389 :
1390 :	suxen_drol	1.27	/* zero mv statistics */
1391 :			pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = 0;
1392 :			pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = 0;
1393 :			pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = 0;
1394 :			pMB->sad16 = 0;
1395 :
1396 :			if ((pEnc->current->global_flags & XVID_LUMIMASKING)) {
1397 :	edgomez	1.41	if (pMB->dquant != NO_CHANGE) {
1398 :	Isibaar	1.1	pMB->mode = MODE_INTRA_Q;
1399 :	suxen_drol	1.27	pEnc->current->quant += DQtab[pMB->dquant];
1400 :	edgomez	1.41
1401 :			if (pEnc->current->quant > 31)
1402 :			pEnc->current->quant = 31;
1403 :			if (pEnc->current->quant < 1)
1404 :			pEnc->current->quant = 1;
1405 :	Isibaar	1.1	}
1406 :			}
1407 :
1408 :	suxen_drol	1.27	pMB->quant = pEnc->current->quant;
1409 :	Isibaar	1.1	}
1410 :
1411 :
1412 :	h	1.20	#define FCODEBITS 3
1413 :			#define MODEBITS 5
1414 :
1415 :	edgomez	1.41	void
1416 :			HintedMESet(Encoder * pEnc,
1417 :			int *intra)
1418 :	h	1.20	{
1419 :	edgomez	1.41	HINTINFO *hint;
1420 :	h	1.20	Bitstream bs;
1421 :			int length, high;
1422 :			uint32_t x, y;
1423 :
1424 :			hint = pEnc->mbParam.hint;
1425 :
1426 :	edgomez	1.41	if (hint->rawhints) {
1427 :	h	1.20	*intra = hint->mvhint.intra;
1428 :	edgomez	1.41	} else {
1429 :	h	1.20	BitstreamInit(&bs, hint->hintstream, hint->hintlength);
1430 :			*intra = BitstreamGetBit(&bs);
1431 :			}
1432 :
1433 :	edgomez	1.41	if (*intra) {
1434 :	h	1.20	return;
1435 :			}
1436 :
1437 :	edgomez	1.91	pEnc->current->fcode =
1438 :			(hint->rawhints) ? hint->mvhint.fcode : BitstreamGetBits(&bs,
1439 :			FCODEBITS);
1440 :	edgomez	1.41
1441 :			length = pEnc->current->fcode + 5;
1442 :			high = 1 << (length - 1);
1443 :
1444 :			for (y = 0; y < pEnc->mbParam.mb_height; ++y) {
1445 :			for (x = 0; x < pEnc->mbParam.mb_width; ++x) {
1446 :			MACROBLOCK *pMB =
1447 :			&pEnc->current->mbs[x + y * pEnc->mbParam.mb_width];
1448 :			MVBLOCKHINT *bhint =
1449 :			&hint->mvhint.block[x + y * pEnc->mbParam.mb_width];
1450 :	chl	1.53	VECTOR pred;
1451 :	h	1.20	VECTOR tmp;
1452 :			int vec;
1453 :
1454 :	edgomez	1.91	pMB->mode =
1455 :			(hint->rawhints) ? bhint->mode : BitstreamGetBits(&bs,
1456 :			MODEBITS);
1457 :	h	1.20
1458 :	h	1.26	pMB->mode = (pMB->mode == MODE_INTER_Q) ? MODE_INTER : pMB->mode;
1459 :			pMB->mode = (pMB->mode == MODE_INTRA_Q) ? MODE_INTRA : pMB->mode;
1460 :
1461 :	edgomez	1.41	if (pMB->mode == MODE_INTER) {
1462 :	edgomez	1.91	tmp.x =
1463 :			(hint->rawhints) ? bhint->mvs[0].x : BitstreamGetBits(&bs,
1464 :			length);
1465 :			tmp.y =
1466 :			(hint->rawhints) ? bhint->mvs[0].y : BitstreamGetBits(&bs,
1467 :			length);
1468 :	edgomez	1.41	tmp.x -= (tmp.x >= high) ? high * 2 : 0;
1469 :			tmp.y -= (tmp.y >= high) ? high * 2 : 0;
1470 :
1471 :	chl	1.53	pred = get_pmv2(pEnc->current->mbs,pEnc->mbParam.mb_width,0,x,y,0);
1472 :	edgomez	1.41
1473 :			for (vec = 0; vec < 4; ++vec) {
1474 :			pMB->mvs[vec].x = tmp.x;
1475 :			pMB->mvs[vec].y = tmp.y;
1476 :	chl	1.53	pMB->pmvs[vec].x = pMB->mvs[0].x - pred.x;
1477 :			pMB->pmvs[vec].y = pMB->mvs[0].y - pred.y;
1478 :	h	1.20	}
1479 :	edgomez	1.41	} else if (pMB->mode == MODE_INTER4V) {
1480 :			for (vec = 0; vec < 4; ++vec) {
1481 :	edgomez	1.91	tmp.x =
1482 :			(hint->rawhints) ? bhint->mvs[vec].
1483 :			x : BitstreamGetBits(&bs, length);
1484 :			tmp.y =
1485 :			(hint->rawhints) ? bhint->mvs[vec].
1486 :			y : BitstreamGetBits(&bs, length);
1487 :	edgomez	1.41	tmp.x -= (tmp.x >= high) ? high * 2 : 0;
1488 :			tmp.y -= (tmp.y >= high) ? high * 2 : 0;
1489 :	h	1.20
1490 :	chl	1.53	pred = get_pmv2(pEnc->current->mbs,pEnc->mbParam.mb_width,0,x,y,vec);
1491 :	h	1.20
1492 :	edgomez	1.41	pMB->mvs[vec].x = tmp.x;
1493 :			pMB->mvs[vec].y = tmp.y;
1494 :	chl	1.53	pMB->pmvs[vec].x = pMB->mvs[vec].x - pred.x;
1495 :			pMB->pmvs[vec].y = pMB->mvs[vec].y - pred.y;
1496 :	h	1.20	}
1497 :	edgomez	1.93	} else /* intra / stuffing / not_coded */
1498 :	h	1.20	{
1499 :	edgomez	1.41	for (vec = 0; vec < 4; ++vec) {
1500 :			pMB->mvs[vec].x = pMB->mvs[vec].y = 0;
1501 :	h	1.26	}
1502 :			}
1503 :
1504 :	suxen_drol	1.27	if (pMB->mode == MODE_INTER4V &&
1505 :	edgomez	1.41	(pEnc->current->global_flags & XVID_LUMIMASKING)
1506 :			&& pMB->dquant != NO_CHANGE) {
1507 :	h	1.26	pMB->mode = MODE_INTRA;
1508 :
1509 :	edgomez	1.41	for (vec = 0; vec < 4; ++vec) {
1510 :	h	1.26	pMB->mvs[vec].x = pMB->mvs[vec].y = 0;
1511 :	h	1.20	}
1512 :			}
1513 :			}
1514 :			}
1515 :			}
1516 :
1517 :
1518 :	edgomez	1.41	void
1519 :			HintedMEGet(Encoder * pEnc,
1520 :			int intra)
1521 :	h	1.20	{
1522 :	edgomez	1.41	HINTINFO *hint;
1523 :	h	1.20	Bitstream bs;
1524 :			uint32_t x, y;
1525 :			int length, high;
1526 :
1527 :			hint = pEnc->mbParam.hint;
1528 :
1529 :	edgomez	1.41	if (hint->rawhints) {
1530 :	h	1.20	hint->mvhint.intra = intra;
1531 :	edgomez	1.41	} else {
1532 :	h	1.20	BitstreamInit(&bs, hint->hintstream, 0);
1533 :			BitstreamPutBit(&bs, intra);
1534 :			}
1535 :
1536 :	edgomez	1.41	if (intra) {
1537 :			if (!hint->rawhints) {
1538 :	edgomez	1.91	BitstreamPadAlways(&bs);
1539 :	h	1.20	hint->hintlength = BitstreamLength(&bs);
1540 :			}
1541 :			return;
1542 :			}
1543 :
1544 :	edgomez	1.41	length = pEnc->current->fcode + 5;
1545 :			high = 1 << (length - 1);
1546 :	h	1.20
1547 :	edgomez	1.41	if (hint->rawhints) {
1548 :	suxen_drol	1.27	hint->mvhint.fcode = pEnc->current->fcode;
1549 :	edgomez	1.41	} else {
1550 :	suxen_drol	1.27	BitstreamPutBits(&bs, pEnc->current->fcode, FCODEBITS);
1551 :	h	1.20	}
1552 :
1553 :	edgomez	1.41	for (y = 0; y < pEnc->mbParam.mb_height; ++y) {
1554 :			for (x = 0; x < pEnc->mbParam.mb_width; ++x) {
1555 :			MACROBLOCK *pMB =
1556 :			&pEnc->current->mbs[x + y * pEnc->mbParam.mb_width];
1557 :			MVBLOCKHINT *bhint =
1558 :			&hint->mvhint.block[x + y * pEnc->mbParam.mb_width];
1559 :	h	1.20	VECTOR tmp;
1560 :
1561 :	edgomez	1.41	if (hint->rawhints) {
1562 :	h	1.20	bhint->mode = pMB->mode;
1563 :	edgomez	1.41	} else {
1564 :	h	1.20	BitstreamPutBits(&bs, pMB->mode, MODEBITS);
1565 :			}
1566 :
1567 :	edgomez	1.41	if (pMB->mode == MODE_INTER \|\| pMB->mode == MODE_INTER_Q) {
1568 :			tmp.x = pMB->mvs[0].x;
1569 :			tmp.y = pMB->mvs[0].y;
1570 :			tmp.x += (tmp.x < 0) ? high * 2 : 0;
1571 :			tmp.y += (tmp.y < 0) ? high * 2 : 0;
1572 :	h	1.20
1573 :	edgomez	1.41	if (hint->rawhints) {
1574 :	h	1.20	bhint->mvs[0].x = tmp.x;
1575 :			bhint->mvs[0].y = tmp.y;
1576 :	edgomez	1.41	} else {
1577 :	h	1.20	BitstreamPutBits(&bs, tmp.x, length);
1578 :			BitstreamPutBits(&bs, tmp.y, length);
1579 :			}
1580 :	edgomez	1.41	} else if (pMB->mode == MODE_INTER4V) {
1581 :	h	1.20	int vec;
1582 :
1583 :	edgomez	1.41	for (vec = 0; vec < 4; ++vec) {
1584 :			tmp.x = pMB->mvs[vec].x;
1585 :			tmp.y = pMB->mvs[vec].y;
1586 :			tmp.x += (tmp.x < 0) ? high * 2 : 0;
1587 :			tmp.y += (tmp.y < 0) ? high * 2 : 0;
1588 :	h	1.20
1589 :	edgomez	1.41	if (hint->rawhints) {
1590 :	h	1.20	bhint->mvs[vec].x = tmp.x;
1591 :			bhint->mvs[vec].y = tmp.y;
1592 :	edgomez	1.41	} else {
1593 :	h	1.20	BitstreamPutBits(&bs, tmp.x, length);
1594 :			BitstreamPutBits(&bs, tmp.y, length);
1595 :			}
1596 :			}
1597 :			}
1598 :			}
1599 :			}
1600 :
1601 :	edgomez	1.41	if (!hint->rawhints) {
1602 :	h	1.20	BitstreamPad(&bs);
1603 :			hint->hintlength = BitstreamLength(&bs);
1604 :			}
1605 :			}
1606 :
1607 :
1608 :	edgomez	1.41	static int
1609 :			FrameCodeI(Encoder * pEnc,
1610 :			Bitstream * bs,
1611 :			uint32_t * pBits)
1612 :	h	1.21	{
1613 :	edgomez	1.91	int mb_width = pEnc->mbParam.mb_width;
1614 :			int mb_height = pEnc->mbParam.mb_height;
1615 :	h	1.21
1616 :			DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE);
1617 :	edgomez	1.41	DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE);
1618 :	h	1.21
1619 :			uint16_t x, y;
1620 :
1621 :	edgomez	1.91	if ((pEnc->current->global_flags & XVID_REDUCED))
1622 :			{
1623 :			mb_width = (pEnc->mbParam.width + 31) / 32;
1624 :			mb_height = (pEnc->mbParam.height + 31) / 32;
1625 :
1626 :			/* 16x16->8x8 downsample requires 1 additional edge pixel*/
1627 :			/* XXX: setedges is overkill */
1628 :			start_timer();
1629 :			image_setedges(&pEnc->current->image,
1630 :			pEnc->mbParam.edged_width, pEnc->mbParam.edged_height,
1631 :			pEnc->mbParam.width, pEnc->mbParam.height);
1632 :			stop_edges_timer();
1633 :			}
1634 :
1635 :	h	1.21	pEnc->iFrameNum = 0;
1636 :	suxen_drol	1.27	pEnc->mbParam.m_rounding_type = 1;
1637 :			pEnc->current->rounding_type = pEnc->mbParam.m_rounding_type;
1638 :	edgomez	1.91	pEnc->current->quarterpel = pEnc->mbParam.m_quarterpel;
1639 :	suxen_drol	1.27	pEnc->current->coding_type = I_VOP;
1640 :	h	1.21
1641 :	suxen_drol	1.27	BitstreamWriteVolHeader(bs, &pEnc->mbParam, pEnc->current);
1642 :	edgomez	1.78
1643 :	edgomez	1.91	set_timecodes(pEnc->current,pEnc->reference,pEnc->mbParam.fbase);
1644 :
1645 :			BitstreamPadAlways(bs);
1646 :	suxen_drol	1.44	BitstreamWriteVopHeader(bs, &pEnc->mbParam, pEnc->current, 1);
1647 :	h	1.21
1648 :			*pBits = BitstreamPos(bs);
1649 :
1650 :	edgomez	1.91	pEnc->current->sStat.iTextBits = 0;
1651 :			pEnc->current->sStat.kblks = mb_width * mb_height;
1652 :			pEnc->current->sStat.mblks = pEnc->current->sStat.ublks = 0;
1653 :	h	1.21
1654 :	edgomez	1.91	for (y = 0; y < mb_height; y++)
1655 :			for (x = 0; x < mb_width; x++) {
1656 :	edgomez	1.41	MACROBLOCK *pMB =
1657 :			&pEnc->current->mbs[x + y * pEnc->mbParam.mb_width];
1658 :	h	1.21
1659 :			CodeIntraMB(pEnc, pMB);
1660 :
1661 :	edgomez	1.41	MBTransQuantIntra(&pEnc->mbParam, pEnc->current, pMB, x, y,
1662 :			dct_codes, qcoeff);
1663 :	h	1.21
1664 :			start_timer();
1665 :	suxen_drol	1.27	MBPrediction(pEnc->current, x, y, pEnc->mbParam.mb_width, qcoeff);
1666 :	h	1.21	stop_prediction_timer();
1667 :
1668 :			start_timer();
1669 :	chl	1.68	if (pEnc->current->global_flags & XVID_GREYSCALE)
1670 :			{ pMB->cbp &= 0x3C; /* keep only bits 5-2 */
1671 :			qcoeff[464+0]=0; / zero, because for INTRA MBs DC value is saved */
1672 :			qcoeff[5*64+0]=0;
1673 :			}
1674 :	edgomez	1.91	MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->current->sStat);
1675 :	h	1.21	stop_coding_timer();
1676 :			}
1677 :
1678 :	edgomez	1.91	if ((pEnc->current->global_flags & XVID_REDUCED))
1679 :			{
1680 :			image_deblock_rrv(&pEnc->current->image, pEnc->mbParam.edged_width,
1681 :			pEnc->current->mbs, mb_width, mb_height, pEnc->mbParam.mb_width,
1682 :			16, XVID_DEC_DEBLOCKY\|XVID_DEC_DEBLOCKUV);
1683 :			}
1684 :	h	1.21	emms();
1685 :
1686 :			pBits = BitstreamPos(bs) - pBits;
1687 :	edgomez	1.91	pEnc->fMvPrevSigma = -1;
1688 :	suxen_drol	1.27	pEnc->mbParam.m_fcode = 2;
1689 :	h	1.21
1690 :	edgomez	1.41	if (pEnc->current->global_flags & XVID_HINTEDME_GET) {
1691 :	h	1.21	HintedMEGet(pEnc, 1);
1692 :			}
1693 :
1694 :	edgomez	1.93	return 1; /* intra */
1695 :	h	1.21	}
1696 :
1697 :
1698 :	Isibaar	1.1	#define INTRA_THRESHOLD 0.5
1699 :	edgomez	1.91	#define BFRAME_SKIP_THRESHHOLD 30
1700 :
1701 :	Isibaar	1.1
1702 :	edgomez	1.91	/* FrameCodeP also handles S(GMC)-VOPs */
1703 :	edgomez	1.41	static int
1704 :			FrameCodeP(Encoder * pEnc,
1705 :			Bitstream * bs,
1706 :			uint32_t * pBits,
1707 :			bool force_inter,
1708 :			bool vol_header)
1709 :	Isibaar	1.1	{
1710 :	edgomez	1.3	float fSigma;
1711 :	edgomez	1.13
1712 :			DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE);
1713 :	edgomez	1.41	DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE);
1714 :	Isibaar	1.8
1715 :	edgomez	1.91	int mb_width = pEnc->mbParam.mb_width;
1716 :			int mb_height = pEnc->mbParam.mb_height;
1717 :
1718 :	Isibaar	1.1	int iLimit;
1719 :	edgomez	1.91	int x, y, k;
1720 :	edgomez	1.3	int iSearchRange;
1721 :	edgomez	1.91	int bIntra, skip_possible;
1722 :	suxen_drol	1.49
1723 :	edgomez	1.29	/* IMAGE pCurrent = &pEnc->current->image; /
1724 :	suxen_drol	1.27	IMAGE *pRef = &pEnc->reference->image;
1725 :	Isibaar	1.1
1726 :	edgomez	1.91	if ((pEnc->current->global_flags & XVID_REDUCED))
1727 :			{
1728 :			mb_width = (pEnc->mbParam.width + 31) / 32;
1729 :			mb_height = (pEnc->mbParam.height + 31) / 32;
1730 :			}
1731 :
1732 :
1733 :	h	1.11	start_timer();
1734 :	edgomez	1.41	image_setedges(pRef, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height,
1735 :	h	1.84	pEnc->mbParam.width, pEnc->mbParam.height);
1736 :	h	1.11	stop_edges_timer();
1737 :	Isibaar	1.1
1738 :	suxen_drol	1.27	pEnc->mbParam.m_rounding_type = 1 - pEnc->mbParam.m_rounding_type;
1739 :			pEnc->current->rounding_type = pEnc->mbParam.m_rounding_type;
1740 :	edgomez	1.91	pEnc->current->quarterpel = pEnc->mbParam.m_quarterpel;
1741 :	suxen_drol	1.27	pEnc->current->fcode = pEnc->mbParam.m_fcode;
1742 :	Isibaar	1.1
1743 :			if (!force_inter)
1744 :	edgomez	1.91	iLimit = (int)(mb_width * mb_height * INTRA_THRESHOLD);
1745 :	edgomez	1.3	else
1746 :	edgomez	1.91	iLimit = mb_width * mb_height + 1;
1747 :	Isibaar	1.1
1748 :	suxen_drol	1.27	if ((pEnc->current->global_flags & XVID_HALFPEL)) {
1749 :	Isibaar	1.1	start_timer();
1750 :	edgomez	1.41	image_interpolate(pRef, &pEnc->vInterH, &pEnc->vInterV,
1751 :			&pEnc->vInterHV, pEnc->mbParam.edged_width,
1752 :			pEnc->mbParam.edged_height,
1753 :	edgomez	1.91	pEnc->mbParam.m_quarterpel,
1754 :	edgomez	1.41	pEnc->current->rounding_type);
1755 :	Isibaar	1.1	stop_inter_timer();
1756 :			}
1757 :
1758 :	edgomez	1.91	pEnc->current->coding_type = P_VOP;
1759 :
1760 :	Isibaar	1.1	start_timer();
1761 :	edgomez	1.91	if (pEnc->current->global_flags & XVID_HINTEDME_SET)
1762 :	h	1.20	HintedMESet(pEnc, &bIntra);
1763 :	edgomez	1.91	else
1764 :	suxen_drol	1.55	bIntra =
1765 :			MotionEstimation(&pEnc->mbParam, pEnc->current, pEnc->reference,
1766 :			&pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV,
1767 :			iLimit);
1768 :	edgomez	1.91
1769 :	Isibaar	1.1	stop_motion_timer();
1770 :
1771 :	edgomez	1.91	if (bIntra == 1) return FrameCodeI(pEnc, bs, pBits);
1772 :
1773 :			if ( ( pEnc->current->global_flags & XVID_GMC )
1774 :			&& ( (pEnc->current->warp.duv[1].x != 0) \|\| (pEnc->current->warp.duv[1].y != 0) ) )
1775 :			{
1776 :			pEnc->current->coding_type = S_VOP;
1777 :
1778 :			generate_GMCparameters( 2, 16, &pEnc->current->warp,
1779 :			pEnc->mbParam.width, pEnc->mbParam.height,
1780 :			&pEnc->current->gmc_data);
1781 :
1782 :			generate_GMCimage(&pEnc->current->gmc_data, &pEnc->reference->image,
1783 :			pEnc->mbParam.mb_width, pEnc->mbParam.mb_height,
1784 :			pEnc->mbParam.edged_width, pEnc->mbParam.edged_width/2,
1785 :			pEnc->mbParam.m_fcode, pEnc->mbParam.m_quarterpel, 0,
1786 :			pEnc->current->rounding_type, pEnc->current->mbs, &pEnc->vGMC);
1787 :
1788 :	h	1.20	}
1789 :	Isibaar	1.1
1790 :	edgomez	1.91	set_timecodes(pEnc->current,pEnc->reference,pEnc->mbParam.fbase);
1791 :	edgomez	1.41	if (vol_header)
1792 :	edgomez	1.91	{ BitstreamWriteVolHeader(bs, &pEnc->mbParam, pEnc->current);
1793 :			BitstreamPadAlways(bs);
1794 :			}
1795 :	Isibaar	1.1
1796 :	suxen_drol	1.44	BitstreamWriteVopHeader(bs, &pEnc->mbParam, pEnc->current, 1);
1797 :	edgomez	1.3
1798 :			*pBits = BitstreamPos(bs);
1799 :
1800 :	edgomez	1.91	pEnc->current->sStat.iTextBits = pEnc->current->sStat.iMvSum = pEnc->current->sStat.iMvCount =
1801 :			pEnc->current->sStat.kblks = pEnc->current->sStat.mblks = pEnc->current->sStat.ublks = 0;
1802 :
1803 :	Isibaar	1.1
1804 :	edgomez	1.91	for (y = 0; y < mb_height; y++) {
1805 :			for (x = 0; x < mb_width; x++) {
1806 :	edgomez	1.41	MACROBLOCK *pMB =
1807 :			&pEnc->current->mbs[x + y * pEnc->mbParam.mb_width];
1808 :	Isibaar	1.1
1809 :	edgomez	1.91	/* Mode decision: Check, if the block should be INTRA / INTER or GMC-coded */
1810 :			/* For a start, leave INTRA decision as is, only choose only between INTER/GMC - gruel, 9.1.2002 */
1811 :
1812 :	edgomez	1.3	bIntra = (pMB->mode == MODE_INTRA) \|\| (pMB->mode == MODE_INTRA_Q);
1813 :	Isibaar	1.1
1814 :	edgomez	1.91	if (bIntra) {
1815 :	Isibaar	1.1	CodeIntraMB(pEnc, pMB);
1816 :	edgomez	1.41	MBTransQuantIntra(&pEnc->mbParam, pEnc->current, pMB, x, y,
1817 :			dct_codes, qcoeff);
1818 :	chl	1.81
1819 :			start_timer();
1820 :			MBPrediction(pEnc->current, x, y, pEnc->mbParam.mb_width, qcoeff);
1821 :			stop_prediction_timer();
1822 :	edgomez	1.91
1823 :			pEnc->current->sStat.kblks++;
1824 :
1825 :			MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->current->sStat);
1826 :			stop_coding_timer();
1827 :			continue;
1828 :			}
1829 :
1830 :			if (pEnc->current->coding_type == S_VOP) {
1831 :
1832 :			int32_t iSAD = sad16(pEnc->current->image.y + 16ypEnc->mbParam.edged_width + 16*x,
1833 :			pEnc->vGMC.y + 16ypEnc->mbParam.edged_width + 16*x,
1834 :			pEnc->mbParam.edged_width, 65536);
1835 :
1836 :			if (pEnc->current->motion_flags & PMV_CHROMA16) {
1837 :			iSAD += sad8(pEnc->current->image.u + 8y(pEnc->mbParam.edged_width/2) + 8*x,
1838 :			pEnc->vGMC.u + 8y(pEnc->mbParam.edged_width/2) + 8*x, pEnc->mbParam.edged_width/2);
1839 :
1840 :			iSAD += sad8(pEnc->current->image.v + 8y(pEnc->mbParam.edged_width/2) + 8*x,
1841 :			pEnc->vGMC.v + 8y(pEnc->mbParam.edged_width/2) + 8*x, pEnc->mbParam.edged_width/2);
1842 :			}
1843 :
1844 :			if (iSAD <= pMB->sad16) { /* mode decision GMC */
1845 :
1846 :			if (pEnc->mbParam.m_quarterpel)
1847 :			pMB->qmvs[0] = pMB->qmvs[1] = pMB->qmvs[2] = pMB->qmvs[3] = pMB->amv;
1848 :			else
1849 :			pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->amv;
1850 :
1851 :			pMB->mode = MODE_INTER;
1852 :			pMB->mcsel = 1;
1853 :			pMB->sad16 = iSAD;
1854 :			} else {
1855 :			pMB->mcsel = 0;
1856 :			}
1857 :			} else {
1858 :			pMB->mcsel = 0; /* just a precaution */
1859 :			}
1860 :
1861 :			start_timer();
1862 :			MBMotionCompensation(pMB, x, y, &pEnc->reference->image,
1863 :			&pEnc->vInterH, &pEnc->vInterV,
1864 :			&pEnc->vInterHV, &pEnc->vGMC,
1865 :			&pEnc->current->image,
1866 :			dct_codes, pEnc->mbParam.width,
1867 :			pEnc->mbParam.height,
1868 :			pEnc->mbParam.edged_width,
1869 :			pEnc->mbParam.m_quarterpel,
1870 :			(pEnc->current->global_flags & XVID_REDUCED),
1871 :			pEnc->current->rounding_type);
1872 :
1873 :			stop_comp_timer();
1874 :
1875 :			if ((pEnc->current->global_flags & XVID_LUMIMASKING)) {
1876 :			if (pMB->dquant != NO_CHANGE) {
1877 :			pMB->mode = MODE_INTER_Q;
1878 :			pEnc->current->quant += DQtab[pMB->dquant];
1879 :			if (pEnc->current->quant > 31)
1880 :			pEnc->current->quant = 31;
1881 :			else if (pEnc->current->quant < 1)
1882 :			pEnc->current->quant = 1;
1883 :			}
1884 :	Isibaar	1.1	}
1885 :	edgomez	1.91	pMB->quant = pEnc->current->quant;
1886 :	Isibaar	1.1
1887 :	edgomez	1.91	pMB->field_pred = 0;
1888 :
1889 :			if (pMB->mode != MODE_NOT_CODED)
1890 :			{ pMB->cbp =
1891 :			MBTransQuantInter(&pEnc->mbParam, pEnc->current, pMB, x, y,
1892 :			dct_codes, qcoeff);
1893 :			}
1894 :
1895 :			if (pMB->cbp \|\| pMB->mvs[0].x \|\| pMB->mvs[0].y \|\|
1896 :			pMB->mvs[1].x \|\| pMB->mvs[1].y \|\| pMB->mvs[2].x \|\|
1897 :			pMB->mvs[2].y \|\| pMB->mvs[3].x \|\| pMB->mvs[3].y) {
1898 :			pEnc->current->sStat.mblks++;
1899 :	chl	1.64	} else {
1900 :	edgomez	1.91	pEnc->current->sStat.ublks++;
1901 :			}
1902 :
1903 :	Isibaar	1.1	start_timer();
1904 :	chl	1.65
1905 :			/* Finished processing the MB, now check if to CODE or SKIP */
1906 :
1907 :	edgomez	1.91	skip_possible = (pMB->cbp == 0) && (pMB->mode == MODE_INTER) &&
1908 :			(pMB->dquant == NO_CHANGE);
1909 :
1910 :			if (pEnc->current->coding_type == S_VOP)
1911 :			skip_possible &= (pMB->mcsel == 1);
1912 :			else if (pEnc->current->coding_type == P_VOP) {
1913 :			if (pEnc->mbParam.m_quarterpel)
1914 :			skip_possible &= ( (pMB->qmvs[0].x == 0) && (pMB->qmvs[0].y == 0) );
1915 :			else
1916 :			skip_possible &= ( (pMB->mvs[0].x == 0) && (pMB->mvs[0].y == 0) );
1917 :			}
1918 :
1919 :			if ( (pMB->mode == MODE_NOT_CODED) \|\| (skip_possible)) {
1920 :
1921 :			/* This is a candidate for SKIPping, but for P-VOPs check intermediate B-frames first */
1922 :
1923 :			if (pEnc->current->coding_type == P_VOP) /* special rule for P-VOP's SKIP */
1924 :			{
1925 :			int bSkip = 1;
1926 :
1927 :			for (k=pEnc->bframenum_head; k< pEnc->bframenum_tail; k++)
1928 :			{
1929 :			int iSAD;
1930 :			iSAD = sad16(pEnc->reference->image.y + 16ypEnc->mbParam.edged_width + 16*x,
1931 :			pEnc->bframes[k]->image.y + 16ypEnc->mbParam.edged_width + 16*x,
1932 :			pEnc->mbParam.edged_width,BFRAME_SKIP_THRESHHOLD);
1933 :			if (iSAD >= BFRAME_SKIP_THRESHHOLD * pMB->quant)
1934 :			{ bSkip = 0;
1935 :			break;
1936 :			}
1937 :			}
1938 :
1939 :			if (!bSkip) { /* no SKIP, but trivial block */
1940 :			if(pEnc->mbParam.m_quarterpel) {
1941 :			VECTOR predMV = get_qpmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, 0);
1942 :			pMB->pmvs[0].x = - predMV.x;
1943 :			pMB->pmvs[0].y = - predMV.y;
1944 :			}
1945 :			else {
1946 :			VECTOR predMV = get_pmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, 0);
1947 :			pMB->pmvs[0].x = - predMV.x;
1948 :			pMB->pmvs[0].y = - predMV.y;
1949 :			}
1950 :			pMB->mode = MODE_INTER;
1951 :			pMB->cbp = 0;
1952 :			MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->current->sStat);
1953 :			stop_coding_timer();
1954 :
1955 :			continue; /* next MB */
1956 :			}
1957 :			}
1958 :			/* do SKIP */
1959 :
1960 :			pMB->mode = MODE_NOT_CODED;
1961 :			MBSkip(bs);
1962 :			stop_coding_timer();
1963 :			continue; /* next MB */
1964 :			}
1965 :			/* ordinary case: normal coded INTER/INTER4V block */
1966 :	chl	1.65
1967 :	edgomez	1.91	if (pEnc->current->global_flags & XVID_GREYSCALE)
1968 :			{ pMB->cbp &= 0x3C; /* keep only bits 5-2 */
1969 :			qcoeff[464+0]=0; / zero, because DC for INTRA MBs DC value is saved */
1970 :			qcoeff[5*64+0]=0;
1971 :			}
1972 :	chl	1.65
1973 :	edgomez	1.91	if(pEnc->mbParam.m_quarterpel) {
1974 :			VECTOR predMV = get_qpmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, 0);
1975 :			pMB->pmvs[0].x = pMB->qmvs[0].x - predMV.x;
1976 :			pMB->pmvs[0].y = pMB->qmvs[0].y - predMV.y;
1977 :			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);
1978 :			} else {
1979 :			VECTOR predMV = get_pmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, 0);
1980 :			pMB->pmvs[0].x = pMB->mvs[0].x - predMV.x;
1981 :			pMB->pmvs[0].y = pMB->mvs[0].y - predMV.y;
1982 :			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);
1983 :	edgomez	1.78	}
1984 :	edgomez	1.91
1985 :
1986 :			if (pMB->mode == MODE_INTER4V)
1987 :			{ int k;
1988 :			for (k=1;k<4;k++)
1989 :			{
1990 :			if(pEnc->mbParam.m_quarterpel) {
1991 :			VECTOR predMV = get_qpmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, k);
1992 :			pMB->pmvs[k].x = pMB->qmvs[k].x - predMV.x;
1993 :			pMB->pmvs[k].y = pMB->qmvs[k].y - predMV.y;
1994 :			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);
1995 :			} else {
1996 :			VECTOR predMV = get_pmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, k);
1997 :			pMB->pmvs[k].x = pMB->mvs[k].x - predMV.x;
1998 :			pMB->pmvs[k].y = pMB->mvs[k].y - predMV.y;
1999 :			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);
2000 :			}
2001 :
2002 :	chl	1.68	}
2003 :	chl	1.65	}
2004 :	edgomez	1.91
2005 :			MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->current->sStat);
2006 :			stop_coding_timer();
2007 :	chl	1.65
2008 :	Isibaar	1.1	}
2009 :			}
2010 :
2011 :	edgomez	1.91	if ((pEnc->current->global_flags & XVID_REDUCED))
2012 :			{
2013 :			image_deblock_rrv(&pEnc->current->image, pEnc->mbParam.edged_width,
2014 :			pEnc->current->mbs, mb_width, mb_height, pEnc->mbParam.mb_width,
2015 :			16, XVID_DEC_DEBLOCKY\|XVID_DEC_DEBLOCKUV);
2016 :			}
2017 :
2018 :	Isibaar	1.1	emms();
2019 :	h	1.20
2020 :	edgomez	1.41	if (pEnc->current->global_flags & XVID_HINTEDME_GET) {
2021 :	h	1.20	HintedMEGet(pEnc, 0);
2022 :			}
2023 :	Isibaar	1.1
2024 :	edgomez	1.91	if (pEnc->current->sStat.iMvCount == 0)
2025 :			pEnc->current->sStat.iMvCount = 1;
2026 :	Isibaar	1.1
2027 :	edgomez	1.91	fSigma = (float) sqrt((float) pEnc->current->sStat.iMvSum / pEnc->current->sStat.iMvCount);
2028 :	Isibaar	1.1
2029 :	suxen_drol	1.27	iSearchRange = 1 << (3 + pEnc->mbParam.m_fcode);
2030 :	Isibaar	1.1
2031 :	edgomez	1.41	if ((fSigma > iSearchRange / 3)
2032 :	edgomez	1.93	&& (pEnc->mbParam.m_fcode <= (3 + pEnc->mbParam.m_quarterpel))) /* maximum search range 128 */
2033 :	edgomez	1.3	{
2034 :	suxen_drol	1.27	pEnc->mbParam.m_fcode++;
2035 :	Isibaar	1.1	iSearchRange *= 2;
2036 :	edgomez	1.41	} else if ((fSigma < iSearchRange / 6)
2037 :	edgomez	1.91	&& (pEnc->fMvPrevSigma >= 0)
2038 :			&& (pEnc->fMvPrevSigma < iSearchRange / 6)
2039 :	edgomez	1.93	&& (pEnc->mbParam.m_fcode >= (2 + pEnc->mbParam.m_quarterpel))) /* minimum search range 16 */
2040 :	edgomez	1.3	{
2041 :	suxen_drol	1.27	pEnc->mbParam.m_fcode--;
2042 :	Isibaar	1.1	iSearchRange /= 2;
2043 :	edgomez	1.3	}
2044 :	Isibaar	1.1
2045 :	edgomez	1.91	pEnc->fMvPrevSigma = fSigma;
2046 :
2047 :			/* frame drop code */
2048 :			DPRINTF(DPRINTF_DEBUG, "kmu %i %i %i", pEnc->current->sStat.kblks, pEnc->current->sStat.mblks, pEnc->current->sStat.ublks);
2049 :			if (pEnc->current->sStat.kblks + pEnc->current->sStat.mblks <
2050 :			(pEnc->mbParam.frame_drop_ratio * mb_width * mb_height) / 100)
2051 :			{
2052 :			pEnc->current->sStat.kblks = pEnc->current->sStat.mblks = 0;
2053 :			pEnc->current->sStat.ublks = mb_width * mb_height;
2054 :
2055 :			BitstreamReset(bs);
2056 :
2057 :			set_timecodes(pEnc->current,pEnc->reference,pEnc->mbParam.fbase);
2058 :			BitstreamWriteVopHeader(bs, &pEnc->mbParam, pEnc->current, 0);
2059 :
2060 :	edgomez	1.93	/* copy reference frame details into the current frame */
2061 :	edgomez	1.91	pEnc->current->quant = pEnc->reference->quant;
2062 :			pEnc->current->motion_flags = pEnc->reference->motion_flags;
2063 :			pEnc->current->rounding_type = pEnc->reference->rounding_type;
2064 :			pEnc->current->quarterpel = pEnc->reference->quarterpel;
2065 :			pEnc->current->fcode = pEnc->reference->fcode;
2066 :			pEnc->current->bcode = pEnc->reference->bcode;
2067 :			image_copy(&pEnc->current->image, &pEnc->reference->image, pEnc->mbParam.edged_width, pEnc->mbParam.height);
2068 :			memcpy(pEnc->current->mbs, pEnc->reference->mbs, sizeof(MACROBLOCK) * mb_width * mb_height);
2069 :			}
2070 :
2071 :			/* XXX: debug
2072 :			{
2073 :			char s[100];
2074 :			sprintf(s, "\\%05i_cur.pgm", pEnc->m_framenum);
2075 :			image_dump_yuvpgm(&pEnc->current->image,
2076 :			pEnc->mbParam.edged_width,
2077 :			pEnc->mbParam.width, pEnc->mbParam.height, s);
2078 :
2079 :			sprintf(s, "\\%05i_ref.pgm", pEnc->m_framenum);
2080 :			image_dump_yuvpgm(&pEnc->reference->image,
2081 :			pEnc->mbParam.edged_width,
2082 :			pEnc->mbParam.width, pEnc->mbParam.height, s);
2083 :			}
2084 :			*/
2085 :
2086 :	suxen_drol	1.60
2087 :	Isibaar	1.1	pBits = BitstreamPos(bs) - pBits;
2088 :
2089 :	edgomez	1.93	return 0; /* inter */
2090 :	edgomez	1.91	}
2091 :
2092 :
2093 :			static void
2094 :			FrameCodeB(Encoder * pEnc,
2095 :			FRAMEINFO * frame,
2096 :			Bitstream * bs,
2097 :			uint32_t * pBits)
2098 :			{
2099 :			DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE);
2100 :			DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE);
2101 :			uint32_t x, y;
2102 :
2103 :			IMAGE *f_ref = &pEnc->reference->image;
2104 :			IMAGE *b_ref = &pEnc->current->image;
2105 :
2106 :			#ifdef BFRAMES_DEC_DEBUG
2107 :			FILE *fp;
2108 :			static char first=0;
2109 :			#define BFRAME_DEBUG if (!first && fp){ \
2110 :			fprintf(fp,"Y=%3d X=%3d MB=%2d CBP=%02X\n",y,x,mb->mode,mb->cbp); \
2111 :			}
2112 :
2113 :			pEnc->current->global_flags &= ~XVID_REDUCED; /* reduced resoltion not yet supported */
2114 :
2115 :			if (!first){
2116 :			fp=fopen("C:\\XVIDDBGE.TXT","w");
2117 :			}
2118 :			#endif
2119 :
2120 :			frame->quarterpel = pEnc->mbParam.m_quarterpel;
2121 :
2122 :	edgomez	1.93	/* forward */
2123 :	edgomez	1.91	image_setedges(f_ref, pEnc->mbParam.edged_width,
2124 :			pEnc->mbParam.edged_height, pEnc->mbParam.width,
2125 :			pEnc->mbParam.height);
2126 :			start_timer();
2127 :			image_interpolate(f_ref, &pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv,
2128 :			pEnc->mbParam.edged_width, pEnc->mbParam.edged_height,
2129 :			pEnc->mbParam.m_quarterpel, 0);
2130 :			stop_inter_timer();
2131 :
2132 :	edgomez	1.93	/* backward */
2133 :	edgomez	1.91	image_setedges(b_ref, pEnc->mbParam.edged_width,
2134 :			pEnc->mbParam.edged_height, pEnc->mbParam.width,
2135 :			pEnc->mbParam.height);
2136 :			start_timer();
2137 :			image_interpolate(b_ref, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV,
2138 :			pEnc->mbParam.edged_width, pEnc->mbParam.edged_height,
2139 :			pEnc->mbParam.m_quarterpel, 0);
2140 :			stop_inter_timer();
2141 :
2142 :			start_timer();
2143 :
2144 :			MotionEstimationBVOP(&pEnc->mbParam, frame,
2145 :	edgomez	1.93	((int32_t)(pEnc->current->stamp - frame->stamp)), /* time_bp */
2146 :			((int32_t)(pEnc->current->stamp - pEnc->reference->stamp)), /* time_pp */
2147 :			pEnc->reference->mbs, f_ref,
2148 :	edgomez	1.91	&pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv,
2149 :			pEnc->current, b_ref, &pEnc->vInterH,
2150 :			&pEnc->vInterV, &pEnc->vInterHV);
2151 :
2152 :
2153 :			stop_motion_timer();
2154 :	suxen_drol	1.24
2155 :	edgomez	1.93	/*
2156 :			if (test_quant_type(&pEnc->mbParam, pEnc->current)) {
2157 :			BitstreamWriteVolHeader(bs, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.quant_type);
2158 :			}
2159 :			*/
2160 :	edgomez	1.91
2161 :			frame->coding_type = B_VOP;
2162 :
2163 :			set_timecodes(frame, pEnc->reference,pEnc->mbParam.fbase);
2164 :			BitstreamWriteVopHeader(bs, &pEnc->mbParam, frame, 1);
2165 :
2166 :			*pBits = BitstreamPos(bs);
2167 :
2168 :			frame->sStat.iTextBits = 0;
2169 :			frame->sStat.iMvSum = 0;
2170 :			frame->sStat.iMvCount = 0;
2171 :			frame->sStat.kblks = frame->sStat.mblks = frame->sStat.ublks = 0;
2172 :
2173 :
2174 :			for (y = 0; y < pEnc->mbParam.mb_height; y++) {
2175 :			for (x = 0; x < pEnc->mbParam.mb_width; x++) {
2176 :			MACROBLOCK * const mb = &frame->mbs[x + y * pEnc->mbParam.mb_width];
2177 :			int direction = pEnc->mbParam.global & XVID_ALTERNATESCAN ? 2 : 0;
2178 :
2179 :	edgomez	1.93	/* decoder ignores mb when refence block is INTER(0,0), CBP=0 */
2180 :	edgomez	1.91	if (mb->mode == MODE_NOT_CODED) {
2181 :	edgomez	1.93	/* mb->mvs[0].x = mb->mvs[0].y = mb->cbp = 0; */
2182 :	edgomez	1.91	continue;
2183 :			}
2184 :
2185 :			if (mb->mode != MODE_DIRECT_NONE_MV) {
2186 :			MBMotionCompensationBVOP(&pEnc->mbParam, mb, x, y, &frame->image,
2187 :			f_ref, &pEnc->f_refh, &pEnc->f_refv,
2188 :			&pEnc->f_refhv, b_ref, &pEnc->vInterH,
2189 :			&pEnc->vInterV, &pEnc->vInterHV,
2190 :			dct_codes);
2191 :
2192 :			if (mb->mode == MODE_DIRECT_NO4V) mb->mode = MODE_DIRECT;
2193 :			mb->quant = frame->quant;
2194 :
2195 :			mb->cbp =
2196 :			MBTransQuantInterBVOP(&pEnc->mbParam, frame, mb, dct_codes, qcoeff);
2197 :
2198 :			if ( (mb->mode == MODE_DIRECT) && (mb->cbp == 0)
2199 :			&& (mb->pmvs[3].x == 0) && (mb->pmvs[3].y == 0) ) {
2200 :	edgomez	1.93	mb->mode = MODE_DIRECT_NONE_MV; /* skipped */
2201 :	edgomez	1.91	}
2202 :			}
2203 :
2204 :			#ifdef BFRAMES_DEC_DEBUG
2205 :			BFRAME_DEBUG
2206 :			#endif
2207 :			start_timer();
2208 :			MBCodingBVOP(mb, qcoeff, frame->fcode, frame->bcode, bs,
2209 :			&frame->sStat, direction);
2210 :			stop_coding_timer();
2211 :			}
2212 :			}
2213 :
2214 :			emms();
2215 :
2216 :	edgomez	1.93	/* TODO: dynamic fcode/bcode ??? */
2217 :	edgomez	1.91
2218 :			pBits = BitstreamPos(bs) - pBits;
2219 :
2220 :			#ifdef BFRAMES_DEC_DEBUG
2221 :			if (!first){
2222 :			first=1;
2223 :			if (fp)
2224 :			fclose(fp);
2225 :			}
2226 :			#endif
2227 :	suxen_drol	1.24	}

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