Annotation of /xvidcore/src/encoder.c

Revision 1.120.2.1 - (view) (download)

1 :	edgomez	1.40	/*****************************************************************************
2 :	edgomez	1.29	*
3 :			* XVID MPEG-4 VIDEO CODEC
4 :	edgomez	1.102	* - Encoder main module -
5 :	edgomez	1.29	*
6 :	edgomez	1.102	* Copyright(C) 2002 Michael Militzer <isibaar@xvid.org>
7 :			* 2002-2003 Peter Ross <pross@xvid.org>
8 :			* 2002 Daniel Smith <danielsmith@astroboymail.com>
9 :	edgomez	1.77	*
10 :	edgomez	1.102	* This program is free software ; you can redistribute it and/or modify
11 :	edgomez	1.91	* it under the terms of the GNU General Public License as published by
12 :	edgomez	1.102	* the Free Software Foundation ; either version 2 of the License, or
13 :	edgomez	1.29	* (at your option) any later version.
14 :			*
15 :			* This program is distributed in the hope that it will be useful,
16 :	edgomez	1.102	* but WITHOUT ANY WARRANTY ; without even the implied warranty of
17 :	edgomez	1.29	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 :			* GNU General Public License for more details.
19 :			*
20 :			* You should have received a copy of the GNU General Public License
21 :	edgomez	1.102	* along with this program ; if not, write to the Free Software
22 :	edgomez	1.29	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 :	edgomez	1.79	*
24 :	Isibaar	1.120.2.1	* $Id: encoder.c,v 1.120 2005/11/22 10:23:01 suxen_drol Exp $
25 :	edgomez	1.29	*
26 :	edgomez	1.40	****************************************************************************/
27 :	chl	1.64
28 :	Isibaar	1.1	#include <stdlib.h>
29 :			#include <stdio.h>
30 :			#include <math.h>
31 :	edgomez	1.42	#include <string.h>
32 :	Isibaar	1.1
33 :			#include "encoder.h"
34 :			#include "prediction/mbprediction.h"
35 :			#include "global.h"
36 :			#include "utils/timer.h"
37 :			#include "image/image.h"
38 :	edgomez	1.91	#include "image/font.h"
39 :			#include "motion/sad.h"
40 :	suxen_drol	1.32	#include "motion/motion.h"
41 :	edgomez	1.102	#include "motion/gmc.h"
42 :
43 :	Isibaar	1.1	#include "bitstream/cbp.h"
44 :			#include "utils/mbfunctions.h"
45 :			#include "bitstream/bitstream.h"
46 :			#include "bitstream/mbcoding.h"
47 :			#include "utils/emms.h"
48 :			#include "bitstream/mbcoding.h"
49 :	Isibaar	1.2	#include "quant/quant_matrix.h"
50 :	Isibaar	1.7	#include "utils/mem_align.h"
51 :	Isibaar	1.1
52 :	edgomez	1.40	/*****************************************************************************
53 :			* Local function prototypes
54 :			****************************************************************************/
55 :
56 :	edgomez	1.39	static int FrameCodeI(Encoder * pEnc,
57 :	edgomez	1.102	Bitstream * bs);
58 :	edgomez	1.39
59 :			static int FrameCodeP(Encoder * pEnc,
60 :	syskin	1.104	Bitstream * bs);
61 :	Isibaar	1.1
62 :	edgomez	1.91	static void FrameCodeB(Encoder * pEnc,
63 :			FRAMEINFO * frame,
64 :	edgomez	1.102	Bitstream * bs);
65 :	Isibaar	1.1
66 :
67 :	edgomez	1.40	/*****************************************************************************
68 :			* Encoder creation
69 :			*
70 :			* This function creates an Encoder instance, it allocates all necessary
71 :	edgomez	1.91	* image buffers (reference, current and bframes) and initialize the internal
72 :			* xvid encoder paremeters according to the XVID_ENC_PARAM input parameter.
73 :	edgomez	1.40	*
74 :			* The code seems to be very long but is very basic, mainly memory allocation
75 :			* and cleaning code.
76 :			*
77 :			* Returned values :
78 :	edgomez	1.102	* - 0 - no errors
79 :	syskin	1.96	* - XVID_ERR_MEMORY - the libc could not allocate memory, the function
80 :			* cleans the structure before exiting.
81 :			* pParam->handle is also set to NULL.
82 :	edgomez	1.40	*
83 :			****************************************************************************/
84 :
85 :	edgomez	1.102	/*
86 :			* Simplify the "fincr/fbase" fraction
87 :			*/
88 :	Skal	1.118	static int
89 :			gcd(int a, int b)
90 :			{
91 :			int r ;
92 :
93 :			if (b > a) {
94 :			r = a;
95 :			a = b;
96 :			b = r;
97 :			}
98 :
99 :			while ((r = a % b)) {
100 :			a = b;
101 :			b = r;
102 :			}
103 :			return b;
104 :			}
105 :
106 :	edgomez	1.102	static void
107 :			simplify_time(int inc, int base)
108 :	Isibaar	1.1	{
109 :	edgomez	1.102	/* common factor */
110 :	Skal	1.118	const int s = gcd(inc, base);
111 :			*inc /= s;
112 :			*base /= s;
113 :	Isibaar	1.1
114 :	edgomez	1.106	if (base > 65535 \|\| inc > 65535) {
115 :			int *biggest;
116 :			int *other;
117 :	edgomez	1.107	float div;
118 :	edgomez	1.108
119 :	edgomez	1.106	if (base > inc) {
120 :			biggest = base;
121 :			other = inc;
122 :			} else {
123 :			biggest = inc;
124 :			other = base;
125 :			}
126 :
127 :	edgomez	1.107	div = ((float)*biggest)/((float)65535);
128 :	Skal	1.118	biggest = (unsigned int)(((float)biggest)/div);
129 :			other = (unsigned int)(((float)other)/div);
130 :	Isibaar	1.1	}
131 :	edgomez	1.102	}
132 :	Isibaar	1.1
133 :	edgomez	1.39
134 :	edgomez	1.102	int
135 :			enc_create(xvid_enc_create_t * create)
136 :			{
137 :			Encoder *pEnc;
138 :			int n;
139 :	edgomez	1.39
140 :	edgomez	1.102	if (XVID_VERSION_MAJOR(create->version) != 1) /* v1.x.x */
141 :			return XVID_ERR_VERSION;
142 :	Isibaar	1.1
143 :	edgomez	1.102	if (create->width%2 \|\| create->height%2)
144 :			return XVID_ERR_FAIL;
145 :	Isibaar	1.1
146 :	syskin	1.103	if (create->width<=0 \|\| create->height<=0)
147 :			return XVID_ERR_FAIL;
148 :
149 :	edgomez	1.102	/* allocate encoder struct */
150 :	edgomez	1.41
151 :	edgomez	1.39	pEnc = (Encoder *) xvid_malloc(sizeof(Encoder), CACHE_LINE);
152 :			if (pEnc == NULL)
153 :	Isibaar	1.1	return XVID_ERR_MEMORY;
154 :	edgomez	1.42	memset(pEnc, 0, sizeof(Encoder));
155 :
156 :	edgomez	1.102	pEnc->mbParam.profile = create->profile;
157 :	Isibaar	1.1
158 :	edgomez	1.102	/* global flags */
159 :			pEnc->mbParam.global_flags = create->global;
160 :	suxen_drol	1.117	if ((pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED))
161 :			pEnc->mbParam.global_flags \|= XVID_GLOBAL_DIVX5_USERDATA;
162 :	Isibaar	1.1
163 :	edgomez	1.102	/* width, height */
164 :			pEnc->mbParam.width = create->width;
165 :			pEnc->mbParam.height = create->height;
166 :	Isibaar	1.1	pEnc->mbParam.mb_width = (pEnc->mbParam.width + 15) / 16;
167 :			pEnc->mbParam.mb_height = (pEnc->mbParam.height + 15) / 16;
168 :	edgomez	1.41	pEnc->mbParam.edged_width = 16 * pEnc->mbParam.mb_width + 2 * EDGE_SIZE;
169 :			pEnc->mbParam.edged_height = 16 * pEnc->mbParam.mb_height + 2 * EDGE_SIZE;
170 :	Isibaar	1.1
171 :	edgomez	1.102	/* framerate */
172 :			pEnc->mbParam.fincr = MAX(create->fincr, 0);
173 :			pEnc->mbParam.fbase = create->fincr <= 0 ? 25 : create->fbase;
174 :			if (pEnc->mbParam.fincr>0)
175 :	Skal	1.118	simplify_time((int)&pEnc->mbParam.fincr, (int)&pEnc->mbParam.fbase);
176 :	Isibaar	1.119
177 :	edgomez	1.102	/* zones */
178 :			if(create->num_zones > 0) {
179 :			pEnc->num_zones = create->num_zones;
180 :			pEnc->zones = xvid_malloc(sizeof(xvid_enc_zone_t) * pEnc->num_zones, CACHE_LINE);
181 :			if (pEnc->zones == NULL)
182 :			goto xvid_err_memory0;
183 :			memcpy(pEnc->zones, create->zones, sizeof(xvid_enc_zone_t) * pEnc->num_zones);
184 :			} else {
185 :			pEnc->num_zones = 0;
186 :			pEnc->zones = NULL;
187 :			}
188 :
189 :			/* plugins */
190 :			if(create->num_plugins > 0) {
191 :			pEnc->num_plugins = create->num_plugins;
192 :			pEnc->plugins = xvid_malloc(sizeof(xvid_enc_plugin_t) * pEnc->num_plugins, CACHE_LINE);
193 :			if (pEnc->plugins == NULL)
194 :			goto xvid_err_memory0;
195 :			} else {
196 :			pEnc->num_plugins = 0;
197 :			pEnc->plugins = NULL;
198 :			}
199 :
200 :			for (n=0; n<pEnc->num_plugins;n++) {
201 :			xvid_plg_create_t pcreate;
202 :			xvid_plg_info_t pinfo;
203 :
204 :			memset(&pinfo, 0, sizeof(xvid_plg_info_t));
205 :			pinfo.version = XVID_VERSION;
206 :	suxen_drol	1.120	if (create->plugins[n].func(NULL, XVID_PLG_INFO, &pinfo, NULL) >= 0) {
207 :	edgomez	1.102	pEnc->mbParam.plugin_flags \|= pinfo.flags;
208 :			}
209 :
210 :			memset(&pcreate, 0, sizeof(xvid_plg_create_t));
211 :			pcreate.version = XVID_VERSION;
212 :			pcreate.num_zones = pEnc->num_zones;
213 :			pcreate.zones = pEnc->zones;
214 :			pcreate.width = pEnc->mbParam.width;
215 :			pcreate.height = pEnc->mbParam.height;
216 :			pcreate.mb_width = pEnc->mbParam.mb_width;
217 :			pcreate.mb_height = pEnc->mbParam.mb_height;
218 :			pcreate.fincr = pEnc->mbParam.fincr;
219 :			pcreate.fbase = pEnc->mbParam.fbase;
220 :			pcreate.param = create->plugins[n].param;
221 :
222 :			pEnc->plugins[n].func = NULL; /* disable plugins that fail */
223 :	suxen_drol	1.120	if (create->plugins[n].func(NULL, XVID_PLG_CREATE, &pcreate, &pEnc->plugins[n].param) >= 0) {
224 :	edgomez	1.102	pEnc->plugins[n].func = create->plugins[n].func;
225 :			}
226 :			}
227 :
228 :			if ((pEnc->mbParam.global_flags & XVID_GLOBAL_EXTRASTATS_ENABLE) \|\|
229 :			(pEnc->mbParam.plugin_flags & XVID_REQPSNR)) {
230 :			pEnc->mbParam.plugin_flags \|= XVID_REQORIGINAL; /* psnr calculation requires the original */
231 :			}
232 :	Isibaar	1.43
233 :	edgomez	1.102	/* temp dquants */
234 :			if ((pEnc->mbParam.plugin_flags & XVID_REQDQUANTS)) {
235 :			pEnc->temp_dquants = (int ) xvid_malloc(pEnc->mbParam.mb_width
236 :			pEnc->mbParam.mb_height * sizeof(int), CACHE_LINE);
237 :			if (pEnc->temp_dquants==NULL)
238 :			goto xvid_err_memory1a;
239 :			}
240 :	suxen_drol	1.32
241 :	edgomez	1.102	/* bframes */
242 :			pEnc->mbParam.max_bframes = MAX(create->max_bframes, 0);
243 :			pEnc->mbParam.bquant_ratio = MAX(create->bquant_ratio, 0);
244 :			pEnc->mbParam.bquant_offset = create->bquant_offset;
245 :	Isibaar	1.1
246 :	edgomez	1.102	/* min/max quant */
247 :			for (n=0; n<3; n++) {
248 :			pEnc->mbParam.min_quant[n] = create->min_quant[n] > 0 ? create->min_quant[n] : 2;
249 :			pEnc->mbParam.max_quant[n] = create->max_quant[n] > 0 ? create->max_quant[n] : 31;
250 :			}
251 :	Isibaar	1.1
252 :	edgomez	1.102	/* frame drop ratio */
253 :			pEnc->mbParam.frame_drop_ratio = MAX(create->frame_drop_ratio, 0);
254 :	Isibaar	1.1
255 :	edgomez	1.102	/* max keyframe interval */
256 :			pEnc->mbParam.iMaxKeyInterval = create->max_key_interval <= 0 ? (10 * (int)pEnc->mbParam.fbase) / (int)pEnc->mbParam.fincr : create->max_key_interval;
257 :	Isibaar	1.1
258 :	edgomez	1.102	/* allocate working frame-image memory */
259 :	h	1.16
260 :	edgomez	1.39	pEnc->current = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE);
261 :			pEnc->reference = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE);
262 :
263 :	edgomez	1.41	if (pEnc->current == NULL \|\| pEnc->reference == NULL)
264 :	edgomez	1.39	goto xvid_err_memory1;
265 :	suxen_drol	1.27
266 :	edgomez	1.102	/* allocate macroblock memory */
267 :	h	1.16
268 :	edgomez	1.41	pEnc->current->mbs =
269 :			xvid_malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width *
270 :			pEnc->mbParam.mb_height, CACHE_LINE);
271 :			pEnc->reference->mbs =
272 :			xvid_malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width *
273 :			pEnc->mbParam.mb_height, CACHE_LINE);
274 :	Isibaar	1.1
275 :	edgomez	1.39	if (pEnc->current->mbs == NULL \|\| pEnc->reference->mbs == NULL)
276 :			goto xvid_err_memory2;
277 :	suxen_drol	1.27
278 :	edgomez	1.102	/* allocate quant matrix memory */
279 :
280 :			pEnc->mbParam.mpeg_quant_matrices =
281 :			xvid_malloc(sizeof(uint16_t) * 64 * 8, CACHE_LINE);
282 :
283 :			if (pEnc->mbParam.mpeg_quant_matrices == NULL)
284 :			goto xvid_err_memory2a;
285 :
286 :			/* allocate interpolation image memory */
287 :	suxen_drol	1.27
288 :	edgomez	1.102	if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) {
289 :	edgomez	1.91	image_null(&pEnc->sOriginal);
290 :	edgomez	1.102	image_null(&pEnc->sOriginal2);
291 :			}
292 :	edgomez	1.91
293 :			image_null(&pEnc->f_refh);
294 :			image_null(&pEnc->f_refv);
295 :			image_null(&pEnc->f_refhv);
296 :
297 :	suxen_drol	1.27	image_null(&pEnc->current->image);
298 :			image_null(&pEnc->reference->image);
299 :			image_null(&pEnc->vInterH);
300 :			image_null(&pEnc->vInterV);
301 :			image_null(&pEnc->vInterHV);
302 :	edgomez	1.39
303 :	edgomez	1.102	if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) {
304 :			if (image_create
305 :	edgomez	1.91	(&pEnc->sOriginal, pEnc->mbParam.edged_width,
306 :			pEnc->mbParam.edged_height) < 0)
307 :			goto xvid_err_memory3;
308 :	edgomez	1.102
309 :			if (image_create
310 :			(&pEnc->sOriginal2, pEnc->mbParam.edged_width,
311 :			pEnc->mbParam.edged_height) < 0)
312 :			goto xvid_err_memory3;
313 :	edgomez	1.91	}
314 :
315 :			if (image_create
316 :			(&pEnc->f_refh, pEnc->mbParam.edged_width,
317 :			pEnc->mbParam.edged_height) < 0)
318 :			goto xvid_err_memory3;
319 :			if (image_create
320 :			(&pEnc->f_refv, pEnc->mbParam.edged_width,
321 :			pEnc->mbParam.edged_height) < 0)
322 :			goto xvid_err_memory3;
323 :	edgomez	1.41	if (image_create
324 :	edgomez	1.91	(&pEnc->f_refhv, pEnc->mbParam.edged_width,
325 :	edgomez	1.41	pEnc->mbParam.edged_height) < 0)
326 :	edgomez	1.39	goto xvid_err_memory3;
327 :	edgomez	1.91
328 :	edgomez	1.41	if (image_create
329 :			(&pEnc->current->image, pEnc->mbParam.edged_width,
330 :			pEnc->mbParam.edged_height) < 0)
331 :	edgomez	1.39	goto xvid_err_memory3;
332 :	edgomez	1.41	if (image_create
333 :			(&pEnc->reference->image, pEnc->mbParam.edged_width,
334 :			pEnc->mbParam.edged_height) < 0)
335 :	edgomez	1.39	goto xvid_err_memory3;
336 :	edgomez	1.41	if (image_create
337 :			(&pEnc->vInterH, pEnc->mbParam.edged_width,
338 :			pEnc->mbParam.edged_height) < 0)
339 :	edgomez	1.39	goto xvid_err_memory3;
340 :	edgomez	1.41	if (image_create
341 :			(&pEnc->vInterV, pEnc->mbParam.edged_width,
342 :			pEnc->mbParam.edged_height) < 0)
343 :	edgomez	1.39	goto xvid_err_memory3;
344 :	edgomez	1.41	if (image_create
345 :			(&pEnc->vInterHV, pEnc->mbParam.edged_width,
346 :			pEnc->mbParam.edged_height) < 0)
347 :	edgomez	1.39	goto xvid_err_memory3;
348 :	edgomez	1.91
349 :			/* Create full bitplane for GMC, this might be wasteful */
350 :			if (image_create
351 :			(&pEnc->vGMC, pEnc->mbParam.edged_width,
352 :			pEnc->mbParam.edged_height) < 0)
353 :			goto xvid_err_memory3;
354 :
355 :	edgomez	1.102	/* init bframe image buffers */
356 :	edgomez	1.91
357 :	edgomez	1.102	pEnc->bframenum_head = 0;
358 :			pEnc->bframenum_tail = 0;
359 :			pEnc->flush_bframes = 0;
360 :			pEnc->closed_bframenum = -1;
361 :	edgomez	1.91
362 :			/* B Frames specific init */
363 :			pEnc->bframes = NULL;
364 :
365 :			if (pEnc->mbParam.max_bframes > 0) {
366 :
367 :			pEnc->bframes =
368 :			xvid_malloc(pEnc->mbParam.max_bframes * sizeof(FRAMEINFO *),
369 :			CACHE_LINE);
370 :
371 :			if (pEnc->bframes == NULL)
372 :			goto xvid_err_memory3;
373 :
374 :			for (n = 0; n < pEnc->mbParam.max_bframes; n++)
375 :			pEnc->bframes[n] = NULL;
376 :
377 :
378 :			for (n = 0; n < pEnc->mbParam.max_bframes; n++) {
379 :			pEnc->bframes[n] = xvid_malloc(sizeof(FRAMEINFO), CACHE_LINE);
380 :
381 :			if (pEnc->bframes[n] == NULL)
382 :			goto xvid_err_memory4;
383 :
384 :			pEnc->bframes[n]->mbs =
385 :			xvid_malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width *
386 :			pEnc->mbParam.mb_height, CACHE_LINE);
387 :
388 :			if (pEnc->bframes[n]->mbs == NULL)
389 :			goto xvid_err_memory4;
390 :
391 :			image_null(&pEnc->bframes[n]->image);
392 :
393 :			if (image_create
394 :			(&pEnc->bframes[n]->image, pEnc->mbParam.edged_width,
395 :			pEnc->mbParam.edged_height) < 0)
396 :			goto xvid_err_memory4;
397 :
398 :			}
399 :			}
400 :
401 :	edgomez	1.102	/* init incoming frame queue */
402 :			pEnc->queue_head = 0;
403 :			pEnc->queue_tail = 0;
404 :			pEnc->queue_size = 0;
405 :	edgomez	1.91
406 :	edgomez	1.102	pEnc->queue =
407 :			xvid_malloc((pEnc->mbParam.max_bframes+1) * sizeof(QUEUEINFO),
408 :			CACHE_LINE);
409 :	edgomez	1.91
410 :	edgomez	1.102	if (pEnc->queue == NULL)
411 :			goto xvid_err_memory4;
412 :	edgomez	1.91
413 :	edgomez	1.102	for (n = 0; n < pEnc->mbParam.max_bframes+1; n++)
414 :			image_null(&pEnc->queue[n].image);
415 :	edgomez	1.91
416 :
417 :	edgomez	1.102	for (n = 0; n < pEnc->mbParam.max_bframes+1; n++) {
418 :			if (image_create
419 :			(&pEnc->queue[n].image, pEnc->mbParam.edged_width,
420 :			pEnc->mbParam.edged_height) < 0)
421 :			goto xvid_err_memory5;
422 :	edgomez	1.91	}
423 :
424 :	edgomez	1.102	/* timestamp stuff */
425 :	edgomez	1.91
426 :			pEnc->mbParam.m_stamp = 0;
427 :			pEnc->m_framenum = 0;
428 :			pEnc->current->stamp = 0;
429 :			pEnc->reference->stamp = 0;
430 :	edgomez	1.39
431 :	edgomez	1.102	/* other stuff */
432 :
433 :			pEnc->iFrameNum = 0;
434 :			pEnc->fMvPrevSigma = -1;
435 :	Isibaar	1.1
436 :	edgomez	1.102	create->handle = (void *) pEnc;
437 :	Isibaar	1.1
438 :	Isibaar	1.6	init_timer();
439 :	edgomez	1.102	init_mpeg_matrix(pEnc->mbParam.mpeg_quant_matrices);
440 :	Isibaar	1.1
441 :	edgomez	1.102	return 0; /* ok */
442 :	edgomez	1.39
443 :			/*
444 :			* We handle all XVID_ERR_MEMORY here, this makes the code lighter
445 :			*/
446 :
447 :	edgomez	1.91	xvid_err_memory5:
448 :
449 :	edgomez	1.102	for (n = 0; n < pEnc->mbParam.max_bframes+1; n++) {
450 :			image_destroy(&pEnc->queue[n].image, pEnc->mbParam.edged_width,
451 :	edgomez	1.91	pEnc->mbParam.edged_height);
452 :			}
453 :	edgomez	1.102
454 :			xvid_free(pEnc->queue);
455 :	edgomez	1.91
456 :			xvid_err_memory4:
457 :
458 :			if (pEnc->mbParam.max_bframes > 0) {
459 :	edgomez	1.102	int i;
460 :	edgomez	1.91
461 :			for (i = 0; i < pEnc->mbParam.max_bframes; i++) {
462 :
463 :			if (pEnc->bframes[i] == NULL)
464 :			continue;
465 :
466 :			image_destroy(&pEnc->bframes[i]->image, pEnc->mbParam.edged_width,
467 :			pEnc->mbParam.edged_height);
468 :			xvid_free(pEnc->bframes[i]->mbs);
469 :			xvid_free(pEnc->bframes[i]);
470 :	syskin	1.96	}
471 :	edgomez	1.91
472 :			xvid_free(pEnc->bframes);
473 :			}
474 :
475 :	edgomez	1.41	xvid_err_memory3:
476 :	edgomez	1.91
477 :	edgomez	1.102	if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) {
478 :			image_destroy(&pEnc->sOriginal, pEnc->mbParam.edged_width,
479 :			pEnc->mbParam.edged_height);
480 :			image_destroy(&pEnc->sOriginal2, pEnc->mbParam.edged_width,
481 :	edgomez	1.91	pEnc->mbParam.edged_height);
482 :			}
483 :
484 :			image_destroy(&pEnc->f_refh, pEnc->mbParam.edged_width,
485 :			pEnc->mbParam.edged_height);
486 :			image_destroy(&pEnc->f_refv, pEnc->mbParam.edged_width,
487 :			pEnc->mbParam.edged_height);
488 :			image_destroy(&pEnc->f_refhv, pEnc->mbParam.edged_width,
489 :	edgomez	1.41	pEnc->mbParam.edged_height);
490 :	edgomez	1.39
491 :	edgomez	1.41	image_destroy(&pEnc->current->image, pEnc->mbParam.edged_width,
492 :			pEnc->mbParam.edged_height);
493 :			image_destroy(&pEnc->reference->image, pEnc->mbParam.edged_width,
494 :			pEnc->mbParam.edged_height);
495 :			image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width,
496 :			pEnc->mbParam.edged_height);
497 :			image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width,
498 :			pEnc->mbParam.edged_height);
499 :			image_destroy(&pEnc->vInterHV, pEnc->mbParam.edged_width,
500 :			pEnc->mbParam.edged_height);
501 :	edgomez	1.91
502 :			/* destroy GMC image */
503 :			image_destroy(&pEnc->vGMC, pEnc->mbParam.edged_width,
504 :			pEnc->mbParam.edged_height);
505 :
506 :	edgomez	1.102	xvid_err_memory2a:
507 :			xvid_free(pEnc->mbParam.mpeg_quant_matrices);
508 :	edgomez	1.39
509 :	edgomez	1.41	xvid_err_memory2:
510 :	edgomez	1.39	xvid_free(pEnc->current->mbs);
511 :			xvid_free(pEnc->reference->mbs);
512 :
513 :	edgomez	1.41	xvid_err_memory1:
514 :	edgomez	1.39	xvid_free(pEnc->current);
515 :			xvid_free(pEnc->reference);
516 :	edgomez	1.102
517 :			xvid_err_memory1a:
518 :			if ((pEnc->mbParam.plugin_flags & XVID_REQDQUANTS)) {
519 :			xvid_free(pEnc->temp_dquants);
520 :			}
521 :
522 :			xvid_err_memory0:
523 :			for (n=0; n<pEnc->num_plugins;n++) {
524 :			if (pEnc->plugins[n].func) {
525 :	suxen_drol	1.120	pEnc->plugins[n].func(pEnc->plugins[n].param, XVID_PLG_DESTROY, NULL, NULL);
526 :	edgomez	1.102	}
527 :			}
528 :			xvid_free(pEnc->plugins);
529 :
530 :			xvid_free(pEnc->zones);
531 :
532 :	edgomez	1.39	xvid_free(pEnc);
533 :
534 :	edgomez	1.102	create->handle = NULL;
535 :	edgomez	1.40
536 :	edgomez	1.39	return XVID_ERR_MEMORY;
537 :	Isibaar	1.1	}
538 :
539 :	edgomez	1.40	/*****************************************************************************
540 :			* Encoder destruction
541 :			*
542 :			* This function destroy the entire encoder structure created by a previous
543 :	edgomez	1.102	* successful enc_create call.
544 :	edgomez	1.40	*
545 :			* Returned values (for now only one returned value) :
546 :	edgomez	1.102	* - 0 - no errors
547 :	edgomez	1.40	*
548 :			****************************************************************************/
549 :
550 :			int
551 :	edgomez	1.102	enc_destroy(Encoder * pEnc)
552 :	Isibaar	1.1	{
553 :	edgomez	1.91	int i;
554 :	syskin	1.96
555 :	edgomez	1.91	/* B Frames specific */
556 :	edgomez	1.102	for (i = 0; i < pEnc->mbParam.max_bframes+1; i++) {
557 :			image_destroy(&pEnc->queue[i].image, pEnc->mbParam.edged_width,
558 :	edgomez	1.91	pEnc->mbParam.edged_height);
559 :			}
560 :
561 :	edgomez	1.102	xvid_free(pEnc->queue);
562 :
563 :	edgomez	1.91	if (pEnc->mbParam.max_bframes > 0) {
564 :
565 :			for (i = 0; i < pEnc->mbParam.max_bframes; i++) {
566 :
567 :			if (pEnc->bframes[i] == NULL)
568 :			continue;
569 :
570 :			image_destroy(&pEnc->bframes[i]->image, pEnc->mbParam.edged_width,
571 :			pEnc->mbParam.edged_height);
572 :			xvid_free(pEnc->bframes[i]->mbs);
573 :			xvid_free(pEnc->bframes[i]);
574 :			}
575 :
576 :			xvid_free(pEnc->bframes);
577 :	syskin	1.96
578 :	edgomez	1.91	}
579 :
580 :	edgomez	1.39	/* All images, reference, current etc ... */
581 :	edgomez	1.91
582 :	edgomez	1.41	image_destroy(&pEnc->current->image, pEnc->mbParam.edged_width,
583 :			pEnc->mbParam.edged_height);
584 :			image_destroy(&pEnc->reference->image, pEnc->mbParam.edged_width,
585 :			pEnc->mbParam.edged_height);
586 :			image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width,
587 :			pEnc->mbParam.edged_height);
588 :			image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width,
589 :			pEnc->mbParam.edged_height);
590 :			image_destroy(&pEnc->vInterHV, pEnc->mbParam.edged_width,
591 :			pEnc->mbParam.edged_height);
592 :	edgomez	1.91	image_destroy(&pEnc->f_refh, pEnc->mbParam.edged_width,
593 :	edgomez	1.41	pEnc->mbParam.edged_height);
594 :	edgomez	1.91	image_destroy(&pEnc->f_refv, pEnc->mbParam.edged_width,
595 :			pEnc->mbParam.edged_height);
596 :			image_destroy(&pEnc->f_refhv, pEnc->mbParam.edged_width,
597 :			pEnc->mbParam.edged_height);
598 :	edgomez	1.102	image_destroy(&pEnc->vGMC, pEnc->mbParam.edged_width,
599 :			pEnc->mbParam.edged_height);
600 :	edgomez	1.91
601 :	edgomez	1.102	if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) {
602 :			image_destroy(&pEnc->sOriginal, pEnc->mbParam.edged_width,
603 :			pEnc->mbParam.edged_height);
604 :			image_destroy(&pEnc->sOriginal2, pEnc->mbParam.edged_width,
605 :	edgomez	1.91	pEnc->mbParam.edged_height);
606 :			}
607 :	edgomez	1.39
608 :			/* Encoder structure */
609 :	edgomez	1.91
610 :	suxen_drol	1.27	xvid_free(pEnc->current->mbs);
611 :			xvid_free(pEnc->current);
612 :
613 :			xvid_free(pEnc->reference->mbs);
614 :			xvid_free(pEnc->reference);
615 :
616 :	edgomez	1.102	if ((pEnc->mbParam.plugin_flags & XVID_REQDQUANTS)) {
617 :			xvid_free(pEnc->temp_dquants);
618 :	edgomez	1.91	}
619 :
620 :
621 :	edgomez	1.102	if (pEnc->num_plugins>0) {
622 :			xvid_plg_destroy_t pdestroy;
623 :			memset(&pdestroy, 0, sizeof(xvid_plg_destroy_t));
624 :	edgomez	1.91
625 :	edgomez	1.102	pdestroy.version = XVID_VERSION;
626 :			pdestroy.num_frames = pEnc->m_framenum;
627 :	edgomez	1.91
628 :	edgomez	1.102	for (i=0; i<pEnc->num_plugins;i++) {
629 :			if (pEnc->plugins[i].func) {
630 :	suxen_drol	1.120	pEnc->plugins[i].func(pEnc->plugins[i].param, XVID_PLG_DESTROY, &pdestroy, NULL);
631 :	edgomez	1.102	}
632 :			}
633 :			xvid_free(pEnc->plugins);
634 :	edgomez	1.92	}
635 :
636 :	edgomez	1.102	xvid_free(pEnc->mbParam.mpeg_quant_matrices);
637 :	edgomez	1.91
638 :	edgomez	1.102	if (pEnc->num_plugins>0)
639 :			xvid_free(pEnc->zones);
640 :	edgomez	1.91
641 :	edgomez	1.102	xvid_free(pEnc);
642 :	edgomez	1.91
643 :	edgomez	1.102	return 0; /* ok */
644 :	edgomez	1.91	}
645 :
646 :
647 :	edgomez	1.102	/*
648 :			call the plugins
649 :			*/
650 :	edgomez	1.91
651 :	edgomez	1.102	static void call_plugins(Encoder * pEnc, FRAMEINFO * frame, IMAGE * original,
652 :			int opt, int * type, int * quant, xvid_enc_stats_t * stats)
653 :	suxen_drol	1.44	{
654 :	edgomez	1.102	unsigned int i, j;
655 :			xvid_plg_data_t data;
656 :	edgomez	1.91
657 :	edgomez	1.102	/* set data struct */
658 :	suxen_drol	1.44
659 :	edgomez	1.102	memset(&data, 0, sizeof(xvid_plg_data_t));
660 :			data.version = XVID_VERSION;
661 :	edgomez	1.91
662 :	edgomez	1.102	/* find zone */
663 :			for(i=0; i<pEnc->num_zones && pEnc->zones[i].frame<=frame->frame_num; i++) ;
664 :			data.zone = i>0 ? &pEnc->zones[i-1] : NULL;
665 :
666 :			data.width = pEnc->mbParam.width;
667 :			data.height = pEnc->mbParam.height;
668 :			data.mb_width = pEnc->mbParam.mb_width;
669 :			data.mb_height = pEnc->mbParam.mb_height;
670 :			data.fincr = frame->fincr;
671 :			data.fbase = pEnc->mbParam.fbase;
672 :			data.bquant_ratio = pEnc->mbParam.bquant_ratio;
673 :			data.bquant_offset = pEnc->mbParam.bquant_offset;
674 :
675 :			for (i=0; i<3; i++) {
676 :			data.min_quant[i] = pEnc->mbParam.min_quant[i];
677 :			data.max_quant[i] = pEnc->mbParam.max_quant[i];
678 :			}
679 :
680 :			data.reference.csp = XVID_CSP_PLANAR;
681 :			data.reference.plane[0] = pEnc->reference->image.y;
682 :			data.reference.plane[1] = pEnc->reference->image.u;
683 :			data.reference.plane[2] = pEnc->reference->image.v;
684 :			data.reference.stride[0] = pEnc->mbParam.edged_width;
685 :			data.reference.stride[1] = pEnc->mbParam.edged_width/2;
686 :			data.reference.stride[2] = pEnc->mbParam.edged_width/2;
687 :
688 :			data.current.csp = XVID_CSP_PLANAR;
689 :			data.current.plane[0] = frame->image.y;
690 :			data.current.plane[1] = frame->image.u;
691 :			data.current.plane[2] = frame->image.v;
692 :			data.current.stride[0] = pEnc->mbParam.edged_width;
693 :			data.current.stride[1] = pEnc->mbParam.edged_width/2;
694 :			data.current.stride[2] = pEnc->mbParam.edged_width/2;
695 :
696 :			data.frame_num = frame->frame_num;
697 :
698 :			if (opt == XVID_PLG_BEFORE) {
699 :			data.type = *type;
700 :			data.quant = *quant;
701 :
702 :			data.vol_flags = frame->vol_flags;
703 :			data.vop_flags = frame->vop_flags;
704 :			data.motion_flags = frame->motion_flags;
705 :
706 :			} else if (opt == XVID_PLG_FRAME) {
707 :			data.type = coding2type(frame->coding_type);
708 :			data.quant = frame->quant;
709 :
710 :			if ((pEnc->mbParam.plugin_flags & XVID_REQDQUANTS)) {
711 :			data.dquant = pEnc->temp_dquants;
712 :			data.dquant_stride = pEnc->mbParam.mb_width;
713 :			memset(data.dquant, 0, data.mb_width*data.mb_height);
714 :			}
715 :
716 :			} else { /* XVID_PLG_AFTER */
717 :			if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) {
718 :			data.original.csp = XVID_CSP_PLANAR;
719 :			data.original.plane[0] = original->y;
720 :			data.original.plane[1] = original->u;
721 :			data.original.plane[2] = original->v;
722 :			data.original.stride[0] = pEnc->mbParam.edged_width;
723 :			data.original.stride[1] = pEnc->mbParam.edged_width/2;
724 :			data.original.stride[2] = pEnc->mbParam.edged_width/2;
725 :			}
726 :	edgomez	1.91
727 :	edgomez	1.102	if ((frame->vol_flags & XVID_VOL_EXTRASTATS) \|\|
728 :			(pEnc->mbParam.plugin_flags & XVID_REQPSNR)) {
729 :	edgomez	1.91
730 :	edgomez	1.102	data.sse_y =
731 :			plane_sse( original->y, frame->image.y,
732 :			pEnc->mbParam.edged_width, pEnc->mbParam.width,
733 :			pEnc->mbParam.height);
734 :	edgomez	1.91
735 :	edgomez	1.102	data.sse_u =
736 :			plane_sse( original->u, frame->image.u,
737 :			pEnc->mbParam.edged_width/2, pEnc->mbParam.width/2,
738 :			pEnc->mbParam.height/2);
739 :	edgomez	1.91
740 :	edgomez	1.102	data.sse_v =
741 :			plane_sse( original->v, frame->image.v,
742 :			pEnc->mbParam.edged_width/2, pEnc->mbParam.width/2,
743 :			pEnc->mbParam.height/2);
744 :			}
745 :	edgomez	1.91
746 :	edgomez	1.102	data.type = coding2type(frame->coding_type);
747 :			data.quant = frame->quant;
748 :	edgomez	1.91
749 :	edgomez	1.102	if ((pEnc->mbParam.plugin_flags & XVID_REQDQUANTS)) {
750 :			data.dquant = pEnc->temp_dquants;
751 :			data.dquant_stride = pEnc->mbParam.mb_width;
752 :
753 :			for (j=0; j<pEnc->mbParam.mb_height; j++)
754 :			for (i=0; i<pEnc->mbParam.mb_width; i++) {
755 :			data.dquant[jdata.dquant_stride + i] = frame->mbs[jpEnc->mbParam.mb_width + i].dquant;
756 :			}
757 :			}
758 :	edgomez	1.91
759 :	edgomez	1.102	data.vol_flags = frame->vol_flags;
760 :			data.vop_flags = frame->vop_flags;
761 :			data.motion_flags = frame->motion_flags;
762 :
763 :			data.length = frame->length;
764 :			data.kblks = frame->sStat.kblks;
765 :			data.mblks = frame->sStat.mblks;
766 :			data.ublks = frame->sStat.ublks;
767 :
768 :			/* New code */
769 :			data.stats.type = coding2type(frame->coding_type);
770 :			data.stats.quant = frame->quant;
771 :			data.stats.vol_flags = frame->vol_flags;
772 :			data.stats.vop_flags = frame->vop_flags;
773 :			data.stats.length = frame->length;
774 :			data.stats.hlength = frame->length - (frame->sStat.iTextBits / 8);
775 :			data.stats.kblks = frame->sStat.kblks;
776 :			data.stats.mblks = frame->sStat.mblks;
777 :			data.stats.ublks = frame->sStat.ublks;
778 :			data.stats.sse_y = data.sse_y;
779 :			data.stats.sse_u = data.sse_u;
780 :			data.stats.sse_v = data.sse_v;
781 :	edgomez	1.91
782 :	edgomez	1.102	if (stats)
783 :			*stats = data.stats;
784 :			}
785 :	edgomez	1.91
786 :	edgomez	1.102	/* call plugins */
787 :			for (i=0; i<(unsigned int)pEnc->num_plugins;i++) {
788 :			emms();
789 :			if (pEnc->plugins[i].func) {
790 :	suxen_drol	1.120	if (pEnc->plugins[i].func(pEnc->plugins[i].param, opt, &data, NULL) < 0) {
791 :	edgomez	1.102	continue;
792 :			}
793 :			}
794 :			}
795 :			emms();
796 :	edgomez	1.91
797 :	edgomez	1.102	/* copy modified values back into frame*/
798 :			if (opt == XVID_PLG_BEFORE) {
799 :			*type = data.type;
800 :			quant = data.quant > 0 ? data.quant : 2; / default */
801 :
802 :			frame->vol_flags = data.vol_flags;
803 :			frame->vop_flags = data.vop_flags;
804 :			frame->motion_flags = data.motion_flags;
805 :
806 :			} else if (opt == XVID_PLG_FRAME) {
807 :	edgomez	1.91
808 :	edgomez	1.102	if ((pEnc->mbParam.plugin_flags & XVID_REQDQUANTS)) {
809 :			for (j=0; j<pEnc->mbParam.mb_height; j++)
810 :			for (i=0; i<pEnc->mbParam.mb_width; i++) {
811 :			frame->mbs[jpEnc->mbParam.mb_width + i].dquant = data.dquant[jdata.mb_width + i];
812 :			}
813 :			} else {
814 :			for (j=0; j<pEnc->mbParam.mb_height; j++)
815 :			for (i=0; i<pEnc->mbParam.mb_width; i++) {
816 :			frame->mbs[j*pEnc->mbParam.mb_width + i].dquant = 0;
817 :			}
818 :			}
819 :			frame->mbs[0].quant = data.quant; /* FRAME will not affect the quant in stats */
820 :			}
821 :	edgomez	1.91
822 :
823 :	edgomez	1.102	}
824 :	edgomez	1.91
825 :
826 :	edgomez	1.102	static __inline void inc_frame_num(Encoder * pEnc)
827 :			{
828 :			pEnc->current->frame_num = pEnc->m_framenum;
829 :			pEnc->current->stamp = pEnc->mbParam.m_stamp; /* first frame is zero */
830 :	edgomez	1.91
831 :	edgomez	1.102	pEnc->mbParam.m_stamp += pEnc->current->fincr;
832 :			pEnc->m_framenum++; /* debug ticker */
833 :			}
834 :
835 :			static __inline void dec_frame_num(Encoder * pEnc)
836 :			{
837 :			pEnc->mbParam.m_stamp -= pEnc->mbParam.fincr;
838 :			pEnc->m_framenum--; /* debug ticker */
839 :			}
840 :	edgomez	1.91
841 :	edgomez	1.102	static __inline void
842 :			MBSetDquant(MACROBLOCK * pMB, int x, int y, MBParam * mbParam)
843 :			{
844 :			if (pMB->cbp == 0) {
845 :			/* we want to code dquant but the quantizer value will not be used yet
846 :			let's find out if we can postpone dquant to next MB
847 :			*/
848 :			if (x == mbParam->mb_width-1 && y == mbParam->mb_height-1) {
849 :			pMB->dquant = 0; /* it's the last MB of all, the easiest case */
850 :			return;
851 :			} else {
852 :			MACROBLOCK * next = pMB + 1;
853 :			const MACROBLOCK * prev = pMB - 1;
854 :			if (next->mode != MODE_INTER4V && next->mode != MODE_NOT_CODED)
855 :			/* mode allows dquant change in the future */
856 :			if (abs(next->quant - prev->quant) <= 2) {
857 :			/* quant change is not out of range */
858 :			pMB->quant = prev->quant;
859 :			pMB->dquant = 0;
860 :			next->dquant = next->quant - prev->quant;
861 :			return;
862 :			}
863 :			}
864 :			}
865 :			/* couldn't skip this dquant */
866 :			pMB->mode = MODE_INTER_Q;
867 :			}
868 :
869 :	edgomez	1.91
870 :
871 :	edgomez	1.102	static __inline void
872 :			set_timecodes(FRAMEINFO* pCur,FRAMEINFO *pRef, int32_t time_base)
873 :			{
874 :	edgomez	1.91
875 :	edgomez	1.102	pCur->ticks = (int32_t)pCur->stamp % time_base;
876 :			pCur->seconds = ((int32_t)pCur->stamp / time_base) - ((int32_t)pRef->stamp / time_base) ;
877 :	edgomez	1.91
878 :	edgomez	1.102	#if 0 /* HEAVY DEBUG OUTPUT */
879 :			fprintf(stderr,"WriteVop: %d - %d \n",
880 :			((int32_t)pCur->stamp / time_base), ((int32_t)pRef->stamp / time_base));
881 :			fprintf(stderr,"set_timecodes: VOP %1d stamp=%lld ref_stamp=%lld base=%d\n",
882 :			pCur->coding_type, pCur->stamp, pRef->stamp, time_base);
883 :			fprintf(stderr,"set_timecodes: VOP %1d seconds=%d ticks=%d (ref-sec=%d ref-tick=%d)\n",
884 :			pCur->coding_type, pCur->seconds, pCur->ticks, pRef->seconds, pRef->ticks);
885 :			#endif
886 :			}
887 :	edgomez	1.91
888 :	edgomez	1.102	static void
889 :			simplify_par(int par_width, int par_height)
890 :			{
891 :	edgomez	1.91
892 :	edgomez	1.102	int _par_width = (!par_width) ? 1 : (par_width<0) ? -par_width: par_width;
893 :			int _par_height = (!par_height) ? 1 : (par_height<0) ? -par_height: par_height;
894 :			int divisor = gcd(_par_width, _par_height);
895 :
896 :			_par_width /= divisor;
897 :			_par_height /= divisor;
898 :
899 :			/* 2^8 precision maximum */
900 :			if (_par_width>255 \|\| _par_height>255) {
901 :			float div;
902 :	edgomez	1.91	emms();
903 :	edgomez	1.102	if (_par_width>_par_height)
904 :			div = (float)_par_width/255;
905 :			else
906 :			div = (float)_par_height/255;
907 :	edgomez	1.91
908 :	edgomez	1.102	_par_width = (int)((float)_par_width/div);
909 :			_par_height = (int)((float)_par_height/div);
910 :	edgomez	1.91	}
911 :
912 :	edgomez	1.102	*par_width = _par_width;
913 :			*par_height = _par_height;
914 :	edgomez	1.91
915 :	edgomez	1.102	return;
916 :			}
917 :	edgomez	1.91
918 :	syskin	1.96
919 :	edgomez	1.102	/*****************************************************************************
920 :			* IPB frame encoder entry point
921 :			*
922 :			* Returned values :
923 :			* - >0 - output bytes
924 :			* - 0 - no output
925 :			* - XVID_ERR_VERSION - wrong version passed to core
926 :			* - XVID_ERR_END - End of stream reached before end of coding
927 :			* - XVID_ERR_FORMAT - the image subsystem reported the image had a wrong
928 :			* format
929 :			****************************************************************************/
930 :	edgomez	1.91
931 :
932 :	edgomez	1.102	int
933 :			enc_encode(Encoder * pEnc,
934 :			xvid_enc_frame_t * xFrame,
935 :			xvid_enc_stats_t * stats)
936 :			{
937 :			xvid_enc_frame_t * frame;
938 :			int type;
939 :			Bitstream bs;
940 :	Isibaar	1.97
941 :	edgomez	1.102	if (XVID_VERSION_MAJOR(xFrame->version) != 1 \|\| (stats && XVID_VERSION_MAJOR(stats->version) != 1)) /* v1.x.x */
942 :			return XVID_ERR_VERSION;
943 :	Isibaar	1.97
944 :	edgomez	1.102	xFrame->out_flags = 0;
945 :	edgomez	1.91
946 :	edgomez	1.102	start_global_timer();
947 :			BitstreamInit(&bs, xFrame->bitstream, 0);
948 :	edgomez	1.91
949 :
950 :	edgomez	1.102	/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
951 :			* enqueue image to the encoding-queue
952 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
953 :	edgomez	1.91
954 :	edgomez	1.102	if (xFrame->input.csp != XVID_CSP_NULL)
955 :	edgomez	1.91	{
956 :	edgomez	1.102	QUEUEINFO * q = &pEnc->queue[pEnc->queue_tail];
957 :	edgomez	1.91
958 :			start_timer();
959 :			if (image_input
960 :	edgomez	1.102	(&q->image, pEnc->mbParam.width, pEnc->mbParam.height,
961 :			pEnc->mbParam.edged_width, (uint8_t**)xFrame->input.plane, xFrame->input.stride,
962 :			xFrame->input.csp, xFrame->vol_flags & XVID_VOL_INTERLACING))
963 :	edgomez	1.91	{
964 :			emms();
965 :			return XVID_ERR_FORMAT;
966 :			}
967 :			stop_conv_timer();
968 :
969 :	edgomez	1.102	if ((xFrame->vop_flags & XVID_VOP_CHROMAOPT)) {
970 :			image_chroma_optimize(&q->image,
971 :	edgomez	1.92	pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width);
972 :			}
973 :
974 :	edgomez	1.102	q->frame = *xFrame;
975 :
976 :			if (xFrame->quant_intra_matrix)
977 :	edgomez	1.91	{
978 :	edgomez	1.102	memcpy(q->quant_intra_matrix, xFrame->quant_intra_matrix, 64*sizeof(unsigned char));
979 :			q->frame.quant_intra_matrix = q->quant_intra_matrix;
980 :	edgomez	1.91	}
981 :
982 :	edgomez	1.102	if (xFrame->quant_inter_matrix)
983 :			{
984 :			memcpy(q->quant_inter_matrix, xFrame->quant_inter_matrix, 64*sizeof(unsigned char));
985 :			q->frame.quant_inter_matrix = q->quant_inter_matrix;
986 :	edgomez	1.91	}
987 :
988 :	edgomez	1.102	pEnc->queue_tail = (pEnc->queue_tail + 1) % (pEnc->mbParam.max_bframes+1);
989 :			pEnc->queue_size++;
990 :	edgomez	1.91	}
991 :
992 :
993 :			/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
994 :	edgomez	1.102	* bframe flush code
995 :	edgomez	1.91	* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
996 :
997 :	edgomez	1.102	repeat:
998 :	edgomez	1.91
999 :	edgomez	1.102	if (pEnc->flush_bframes)
1000 :			{
1001 :			if (pEnc->bframenum_head < pEnc->bframenum_tail) {
1002 :	edgomez	1.91
1003 :	edgomez	1.102	DPRINTF(XVID_DEBUG_DEBUG,"*** BFRAME (flush) bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n",
1004 :			pEnc->bframenum_head, pEnc->bframenum_tail,
1005 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
1006 :	edgomez	1.91
1007 :	edgomez	1.102	if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) {
1008 :			image_copy(&pEnc->sOriginal2, &pEnc->bframes[pEnc->bframenum_head]->image,
1009 :			pEnc->mbParam.edged_width, pEnc->mbParam.height);
1010 :	edgomez	1.91	}
1011 :
1012 :	edgomez	1.102	FrameCodeB(pEnc, pEnc->bframes[pEnc->bframenum_head], &bs);
1013 :	suxen_drol	1.120	call_plugins(pEnc, pEnc->bframes[pEnc->bframenum_head], &pEnc->sOriginal2, XVID_PLG_AFTER, NULL, NULL, stats);
1014 :	edgomez	1.102	pEnc->bframenum_head++;
1015 :	edgomez	1.91
1016 :	edgomez	1.102	goto done;
1017 :			}
1018 :	edgomez	1.91
1019 :	edgomez	1.102	/* write an empty marker to the bitstream.
1020 :	edgomez	1.91
1021 :	edgomez	1.102	for divx5 decoder compatibility, this marker must consist
1022 :			of a not-coded p-vop, with a time_base of zero, and time_increment
1023 :			indentical to the future-referece frame.
1024 :			*/
1025 :	edgomez	1.91
1026 :	edgomez	1.102	if ((pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED && pEnc->bframenum_tail > 0)) {
1027 :			int tmp;
1028 :			int bits;
1029 :	edgomez	1.91
1030 :	edgomez	1.102	DPRINTF(XVID_DEBUG_DEBUG,"*** EMPTY bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n",
1031 :	edgomez	1.91	pEnc->bframenum_head, pEnc->bframenum_tail,
1032 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
1033 :
1034 :	edgomez	1.102	bits = BitstreamPos(&bs);
1035 :	edgomez	1.91
1036 :	edgomez	1.102	tmp = pEnc->current->seconds;
1037 :			pEnc->current->seconds = 0; /* force time_base = 0 */
1038 :	edgomez	1.91
1039 :	edgomez	1.102	BitstreamWriteVopHeader(&bs, &pEnc->mbParam, pEnc->current, 0, pEnc->current->quant);
1040 :			BitstreamPad(&bs);
1041 :			pEnc->current->seconds = tmp;
1042 :	edgomez	1.91
1043 :	edgomez	1.102	/* add the not-coded length to the reference frame size */
1044 :			pEnc->current->length += (BitstreamPos(&bs) - bits) / 8;
1045 :	suxen_drol	1.120	call_plugins(pEnc, pEnc->current, &pEnc->sOriginal, XVID_PLG_AFTER, NULL, NULL, stats);
1046 :	edgomez	1.91
1047 :	edgomez	1.102	/* flush complete: reset counters */
1048 :			pEnc->flush_bframes = 0;
1049 :			pEnc->bframenum_head = pEnc->bframenum_tail = 0;
1050 :			goto done;
1051 :	edgomez	1.91
1052 :			}
1053 :
1054 :	edgomez	1.102	/* flush complete: reset counters */
1055 :			pEnc->flush_bframes = 0;
1056 :			pEnc->bframenum_head = pEnc->bframenum_tail = 0;
1057 :			}
1058 :	edgomez	1.91
1059 :	edgomez	1.102	/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1060 :			* dequeue frame from the encoding queue
1061 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
1062 :	edgomez	1.91
1063 :	edgomez	1.102	if (pEnc->queue_size == 0) /* empty */
1064 :			{
1065 :			if (xFrame->input.csp == XVID_CSP_NULL) /* no futher input */
1066 :			{
1067 :	edgomez	1.91
1068 :	edgomez	1.102	DPRINTF(XVID_DEBUG_DEBUG,"*** FINISH bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n",
1069 :	edgomez	1.91	pEnc->bframenum_head, pEnc->bframenum_tail,
1070 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
1071 :
1072 :	edgomez	1.102	if (!(pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED) && pEnc->mbParam.max_bframes > 0) {
1073 :	suxen_drol	1.120	call_plugins(pEnc, pEnc->current, &pEnc->sOriginal, XVID_PLG_AFTER, NULL, NULL, stats);
1074 :	edgomez	1.102	}
1075 :	edgomez	1.91
1076 :	edgomez	1.102	/* if the very last frame is to be b-vop, we must change it to a p-vop */
1077 :			if (pEnc->bframenum_tail > 0) {
1078 :	edgomez	1.91
1079 :	edgomez	1.102	SWAP(FRAMEINFO*, pEnc->current, pEnc->reference);
1080 :			pEnc->bframenum_tail--;
1081 :			SWAP(FRAMEINFO*, pEnc->current, pEnc->bframes[pEnc->bframenum_tail]);
1082 :	edgomez	1.91
1083 :	edgomez	1.102	/* convert B-VOP to P-VOP */
1084 :			pEnc->current->quant = 100*pEnc->current->quant - pEnc->mbParam.bquant_offset;
1085 :			pEnc->current->quant += pEnc->mbParam.bquant_ratio - 1; /* to avoid rouding issues */
1086 :			pEnc->current->quant /= pEnc->mbParam.bquant_ratio;
1087 :	edgomez	1.91
1088 :	edgomez	1.102	if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) {
1089 :			image_copy(&pEnc->sOriginal, &pEnc->current->image,
1090 :			pEnc->mbParam.edged_width, pEnc->mbParam.height);
1091 :			}
1092 :	syskin	1.96
1093 :	edgomez	1.102	DPRINTF(XVID_DEBUG_DEBUG,"*** PFRAME bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n",
1094 :	edgomez	1.91	pEnc->bframenum_head, pEnc->bframenum_tail,
1095 :	edgomez	1.102	pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
1096 :	syskin	1.103	pEnc->mbParam.frame_drop_ratio = -1; /* it must be a coded vop */
1097 :	edgomez	1.91
1098 :	syskin	1.104	FrameCodeP(pEnc, &bs);
1099 :	edgomez	1.91
1100 :
1101 :	edgomez	1.102	if ((pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED) && pEnc->bframenum_tail==0) {
1102 :	suxen_drol	1.120	call_plugins(pEnc, pEnc->current, &pEnc->sOriginal, XVID_PLG_AFTER, NULL, NULL, stats);
1103 :	edgomez	1.102	}else{
1104 :			pEnc->flush_bframes = 1;
1105 :			goto done;
1106 :			}
1107 :			}
1108 :			DPRINTF(XVID_DEBUG_DEBUG, "*** END\n");
1109 :	edgomez	1.91
1110 :	edgomez	1.102	emms();
1111 :			return XVID_ERR_END; /* end of stream reached */
1112 :	edgomez	1.91	}
1113 :	edgomez	1.102	goto done; /* nothing to encode yet; encoder lag */
1114 :	edgomez	1.91	}
1115 :
1116 :	edgomez	1.102	/* the current FRAME becomes the reference */
1117 :			SWAP(FRAMEINFO*, pEnc->current, pEnc->reference);
1118 :	edgomez	1.91
1119 :	edgomez	1.102	/* remove frame from encoding-queue (head), and move it into the current */
1120 :			image_swap(&pEnc->current->image, &pEnc->queue[pEnc->queue_head].image);
1121 :			frame = &pEnc->queue[pEnc->queue_head].frame;
1122 :			pEnc->queue_head = (pEnc->queue_head + 1) % (pEnc->mbParam.max_bframes+1);
1123 :			pEnc->queue_size--;
1124 :	edgomez	1.91
1125 :	Isibaar	1.1
1126 :	edgomez	1.102	/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1127 :			* init pEnc->current fields
1128 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
1129 :	Isibaar	1.1
1130 :	edgomez	1.102	pEnc->current->fincr = pEnc->mbParam.fincr>0 ? pEnc->mbParam.fincr : frame->fincr;
1131 :	edgomez	1.91	inc_frame_num(pEnc);
1132 :	edgomez	1.102	pEnc->current->vol_flags = frame->vol_flags;
1133 :			pEnc->current->vop_flags = frame->vop_flags;
1134 :			pEnc->current->motion_flags = frame->motion;
1135 :			pEnc->current->fcode = pEnc->mbParam.m_fcode;
1136 :			pEnc->current->bcode = pEnc->mbParam.m_fcode;
1137 :	edgomez	1.91
1138 :	edgomez	1.92
1139 :	edgomez	1.102	if ((xFrame->vop_flags & XVID_VOP_CHROMAOPT)) {
1140 :	syskin	1.96	image_chroma_optimize(&pEnc->current->image,
1141 :	edgomez	1.92	pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width);
1142 :			}
1143 :	Isibaar	1.1
1144 :	edgomez	1.102	/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1145 :			* frame type & quant selection
1146 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
1147 :
1148 :			type = frame->type;
1149 :			pEnc->current->quant = frame->quant;
1150 :
1151 :	Skal	1.118	call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_BEFORE, &type, (int*)&pEnc->current->quant, stats);
1152 :	edgomez	1.102
1153 :			if (type > 0){ /* XVID_TYPE_?VOP */
1154 :			type = type2coding(type); /* convert XVID_TYPE_?VOP to bitstream coding type */
1155 :			} else{ /* XVID_TYPE_AUTO */
1156 :			if (pEnc->iFrameNum == 0 \|\| (pEnc->mbParam.iMaxKeyInterval > 0 && pEnc->iFrameNum >= pEnc->mbParam.iMaxKeyInterval)){
1157 :			pEnc->iFrameNum = 0;
1158 :			type = I_VOP;
1159 :			}else{
1160 :			type = MEanalysis(&pEnc->reference->image, pEnc->current,
1161 :			&pEnc->mbParam, pEnc->mbParam.iMaxKeyInterval,
1162 :			pEnc->iFrameNum, pEnc->bframenum_tail, xFrame->bframe_threshold,
1163 :			(pEnc->bframes) ? pEnc->bframes[pEnc->bframenum_head]->mbs: NULL);
1164 :			}
1165 :	edgomez	1.91	}
1166 :	Isibaar	1.23
1167 :	edgomez	1.102	if (type != I_VOP)
1168 :			pEnc->current->vol_flags = pEnc->mbParam.vol_flags; /* don't allow VOL changes here */
1169 :
1170 :			/* bframes buffer overflow check */
1171 :			if (type == B_VOP && pEnc->bframenum_tail >= pEnc->mbParam.max_bframes) {
1172 :			type = P_VOP;
1173 :			}
1174 :	suxen_drol	1.27
1175 :	edgomez	1.102	pEnc->iFrameNum++;
1176 :	Isibaar	1.1
1177 :	edgomez	1.102	if ((pEnc->current->vop_flags & XVID_VOP_DEBUG)) {
1178 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 5,
1179 :			"%d st:%lld if:%d", pEnc->current->frame_num, pEnc->current->stamp, pEnc->iFrameNum);
1180 :	Isibaar	1.1	}
1181 :
1182 :	edgomez	1.102	/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1183 :			* encode this frame as a b-vop
1184 :			* (we dont encode here, rather we store the frame in the bframes queue, to be encoded later)
1185 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
1186 :			if (type == B_VOP) {
1187 :			if ((pEnc->current->vop_flags & XVID_VOP_DEBUG)) {
1188 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "BVOP");
1189 :			}
1190 :
1191 :			if (frame->quant < 1) {
1192 :			pEnc->current->quant = ((((pEnc->reference->quant + pEnc->current->quant) *
1193 :			pEnc->mbParam.bquant_ratio) / 2) + pEnc->mbParam.bquant_offset)/100;
1194 :	edgomez	1.91
1195 :	edgomez	1.102	} else {
1196 :			pEnc->current->quant = frame->quant;
1197 :			}
1198 :	edgomez	1.41
1199 :	edgomez	1.102	if (pEnc->current->quant < 1)
1200 :			pEnc->current->quant = 1;
1201 :			else if (pEnc->current->quant > 31)
1202 :			pEnc->current->quant = 31;
1203 :	edgomez	1.41
1204 :	edgomez	1.102	DPRINTF(XVID_DEBUG_DEBUG,"*** BFRAME (store) bf: head=%i tail=%i queue: head=%i tail=%i size=%i quant=%i\n",
1205 :			pEnc->bframenum_head, pEnc->bframenum_tail,
1206 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size,pEnc->current->quant);
1207 :	edgomez	1.40
1208 :	edgomez	1.102	/* store frame into bframe buffer & swap ref back to current */
1209 :			SWAP(FRAMEINFO*, pEnc->current, pEnc->bframes[pEnc->bframenum_tail]);
1210 :			SWAP(FRAMEINFO*, pEnc->current, pEnc->reference);
1211 :	edgomez	1.41
1212 :	edgomez	1.102	pEnc->bframenum_tail++;
1213 :	edgomez	1.40
1214 :	edgomez	1.102	goto repeat;
1215 :			}
1216 :	edgomez	1.40
1217 :
1218 :	edgomez	1.102	DPRINTF(XVID_DEBUG_DEBUG,"*** XXXXXX bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n",
1219 :			pEnc->bframenum_head, pEnc->bframenum_tail,
1220 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
1221 :	edgomez	1.40
1222 :	edgomez	1.102	/* for unpacked bframes, output the stats for the last encoded frame */
1223 :			if (!(pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED) && pEnc->mbParam.max_bframes > 0)
1224 :			{
1225 :			if (pEnc->current->stamp > 0) {
1226 :	suxen_drol	1.120	call_plugins(pEnc, pEnc->reference, &pEnc->sOriginal, XVID_PLG_AFTER, NULL, NULL, stats);
1227 :	edgomez	1.40	}
1228 :	edgomez	1.102	else
1229 :			stats->type = XVID_TYPE_NOTHING;
1230 :			}
1231 :	edgomez	1.40
1232 :	edgomez	1.102	/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1233 :			* closed-gop
1234 :			* if the frame prior to an iframe is scheduled as a bframe, we must change it to a pframe
1235 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
1236 :	Isibaar	1.1
1237 :	edgomez	1.102	if (type == I_VOP && (pEnc->mbParam.global_flags & XVID_GLOBAL_CLOSED_GOP) && pEnc->bframenum_tail > 0) {
1238 :	Isibaar	1.1
1239 :	edgomez	1.102	/* place this frame back on the encoding-queue (head) */
1240 :			/* we will deal with it next time */
1241 :			dec_frame_num(pEnc);
1242 :			pEnc->iFrameNum--;
1243 :	edgomez	1.13
1244 :	edgomez	1.102	pEnc->queue_head = (pEnc->queue_head + (pEnc->mbParam.max_bframes+1) - 1) % (pEnc->mbParam.max_bframes+1);
1245 :			pEnc->queue_size++;
1246 :			image_swap(&pEnc->current->image, &pEnc->queue[pEnc->queue_head].image);
1247 :	edgomez	1.41
1248 :	edgomez	1.102	/* grab the last frame from the bframe-queue */
1249 :	edgomez	1.41
1250 :	edgomez	1.102	pEnc->bframenum_tail--;
1251 :			SWAP(FRAMEINFO*, pEnc->current, pEnc->bframes[pEnc->bframenum_tail]);
1252 :	Isibaar	1.1
1253 :	edgomez	1.102	if ((pEnc->current->vop_flags & XVID_VOP_DEBUG)) {
1254 :	suxen_drol	1.117	image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 100, "CLOSED GOP BVOP->PVOP");
1255 :	edgomez	1.40	}
1256 :
1257 :	edgomez	1.102	/* convert B-VOP quant to P-VOP */
1258 :			pEnc->current->quant = 100*pEnc->current->quant - pEnc->mbParam.bquant_offset;
1259 :			pEnc->current->quant += pEnc->mbParam.bquant_ratio - 1; /* to avoid rouding issues */
1260 :			pEnc->current->quant /= pEnc->mbParam.bquant_ratio;
1261 :			type = P_VOP;
1262 :	edgomez	1.3	}
1263 :	Isibaar	1.1
1264 :	edgomez	1.93
1265 :	edgomez	1.102	/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1266 :			* encode this frame as an i-vop
1267 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
1268 :	h	1.5
1269 :	edgomez	1.102	if (type == I_VOP) {
1270 :	edgomez	1.41
1271 :	edgomez	1.102	DPRINTF(XVID_DEBUG_DEBUG,"*** IFRAME bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n",
1272 :			pEnc->bframenum_head, pEnc->bframenum_tail,
1273 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
1274 :	Isibaar	1.7
1275 :	edgomez	1.102	if ((pEnc->current->vop_flags & XVID_VOP_DEBUG)) {
1276 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "IVOP");
1277 :			}
1278 :	syskin	1.96
1279 :	edgomez	1.102	pEnc->iFrameNum = 1;
1280 :	Isibaar	1.1
1281 :	edgomez	1.102	/* ---- update vol flags at IVOP ----------- */
1282 :			pEnc->mbParam.vol_flags = pEnc->current->vol_flags;
1283 :	edgomez	1.41
1284 :	edgomez	1.102	/* Aspect ratio */
1285 :			switch(frame->par) {
1286 :			case XVID_PAR_11_VGA:
1287 :			case XVID_PAR_43_PAL:
1288 :			case XVID_PAR_43_NTSC:
1289 :			case XVID_PAR_169_PAL:
1290 :			case XVID_PAR_169_NTSC:
1291 :			case XVID_PAR_EXT:
1292 :			pEnc->mbParam.par = frame->par;
1293 :			break;
1294 :			default:
1295 :			pEnc->mbParam.par = XVID_PAR_11_VGA;
1296 :			break;
1297 :			}
1298 :	Isibaar	1.1
1299 :	edgomez	1.102	/* For extended PAR only, we try to sanityse/simplify par values */
1300 :			if (pEnc->mbParam.par == XVID_PAR_EXT) {
1301 :			pEnc->mbParam.par_width = frame->par_width;
1302 :			pEnc->mbParam.par_height = frame->par_height;
1303 :			simplify_par(&pEnc->mbParam.par_width, &pEnc->mbParam.par_height);
1304 :			}
1305 :	Isibaar	1.1
1306 :	edgomez	1.102	if ((pEnc->mbParam.vol_flags & XVID_VOL_MPEGQUANT)) {
1307 :			if (frame->quant_intra_matrix != NULL)
1308 :			set_intra_matrix(pEnc->mbParam.mpeg_quant_matrices, frame->quant_intra_matrix);
1309 :			if (frame->quant_inter_matrix != NULL)
1310 :			set_inter_matrix(pEnc->mbParam.mpeg_quant_matrices, frame->quant_inter_matrix);
1311 :			}
1312 :	Isibaar	1.1
1313 :	edgomez	1.102	/* prevent vol/vop misuse */
1314 :	Isibaar	1.1
1315 :	edgomez	1.102	if (!(pEnc->current->vol_flags & XVID_VOL_INTERLACING))
1316 :			pEnc->current->vop_flags &= ~(XVID_VOP_TOPFIELDFIRST\|XVID_VOP_ALTERNATESCAN);
1317 :	suxen_drol	1.27
1318 :	edgomez	1.102	/* ^^^------------------------ */
1319 :	edgomez	1.41
1320 :	edgomez	1.102	if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) {
1321 :			image_copy(&pEnc->sOriginal, &pEnc->current->image,
1322 :			pEnc->mbParam.edged_width, pEnc->mbParam.height);
1323 :	Isibaar	1.1	}
1324 :
1325 :	edgomez	1.102	FrameCodeI(pEnc, &bs);
1326 :			xFrame->out_flags \|= XVID_KEYFRAME;
1327 :	Isibaar	1.1
1328 :	edgomez	1.102	/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1329 :			* encode this frame as an p-vop
1330 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
1331 :	Isibaar	1.1
1332 :	edgomez	1.102	} else { /* (type == P_VOP \|\| type == S_VOP) */
1333 :	h	1.20
1334 :	edgomez	1.102	DPRINTF(XVID_DEBUG_DEBUG,"*** PFRAME bf: head=%i tail=%i queue: head=%i tail=%i size=%i\n",
1335 :			pEnc->bframenum_head, pEnc->bframenum_tail,
1336 :			pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size);
1337 :	h	1.20
1338 :	edgomez	1.102	if ((pEnc->current->vop_flags & XVID_VOP_DEBUG)) {
1339 :			image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "PVOP");
1340 :			}
1341 :	h	1.20
1342 :	edgomez	1.102	if ((pEnc->mbParam.plugin_flags & XVID_REQORIGINAL)) {
1343 :			image_copy(&pEnc->sOriginal, &pEnc->current->image,
1344 :			pEnc->mbParam.edged_width, pEnc->mbParam.height);
1345 :			}
1346 :	h	1.20
1347 :	syskin	1.104	if ( FrameCodeP(pEnc, &bs) == 0 ) {
1348 :	syskin	1.103	/* N-VOP, we mustn't code b-frames yet */
1349 :	Isibaar	1.120.2.1	if ((pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED) \|\|
1350 :			pEnc->mbParam.max_bframes == 0)
1351 :			call_plugins(pEnc, pEnc->current, &pEnc->sOriginal, XVID_PLG_AFTER, NULL, NULL, stats);
1352 :	syskin	1.103	goto done;
1353 :			}
1354 :	h	1.20	}
1355 :
1356 :	edgomez	1.41
1357 :	edgomez	1.102	/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1358 :			* on next enc_encode call we must flush bframes
1359 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
1360 :	edgomez	1.41
1361 :	edgomez	1.102	/done_flush:/
1362 :	h	1.26
1363 :	edgomez	1.102	pEnc->flush_bframes = 1;
1364 :	h	1.26
1365 :	edgomez	1.102	/* packed & queued_bframes: dont bother outputting stats here, we do so after the flush */
1366 :			if ((pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED) && pEnc->bframenum_tail > 0) {
1367 :			goto repeat;
1368 :	h	1.20	}
1369 :
1370 :	edgomez	1.102	/* packed or no-bframes or no-bframes-queued: output stats */
1371 :			if ((pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED) \|\| pEnc->mbParam.max_bframes == 0 ) {
1372 :	suxen_drol	1.120	call_plugins(pEnc, pEnc->current, &pEnc->sOriginal, XVID_PLG_AFTER, NULL, NULL, stats);
1373 :	edgomez	1.102	}
1374 :	h	1.20
1375 :	edgomez	1.102	/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1376 :			* done; return number of bytes consumed
1377 :			* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
1378 :	h	1.20
1379 :	edgomez	1.102	done:
1380 :	h	1.20
1381 :	edgomez	1.102	stop_global_timer();
1382 :			write_timer();
1383 :	h	1.20
1384 :	edgomez	1.102	emms();
1385 :			return BitstreamLength(&bs);
1386 :			}
1387 :	h	1.20
1388 :
1389 :	edgomez	1.102	static void SetMacroblockQuants(MBParam * const pParam, FRAMEINFO * frame)
1390 :			{
1391 :			unsigned int i;
1392 :			MACROBLOCK * pMB = frame->mbs;
1393 :			int quant = frame->mbs[0].quant; /* set by XVID_PLG_FRAME */
1394 :			if (quant > 31)
1395 :			frame->quant = quant = 31;
1396 :			else if (quant < 1)
1397 :			frame->quant = quant = 1;
1398 :
1399 :			for (i = 0; i < pParam->mb_height * pParam->mb_width; i++) {
1400 :			quant += pMB->dquant;
1401 :			if (quant > 31)
1402 :			quant = 31;
1403 :			else if (quant < 1)
1404 :			quant = 1;
1405 :			pMB->quant = quant;
1406 :			pMB++;
1407 :	h	1.20	}
1408 :	edgomez	1.102	}
1409 :	h	1.20
1410 :
1411 :	edgomez	1.102	static __inline void
1412 :			CodeIntraMB(Encoder * pEnc,
1413 :			MACROBLOCK * pMB)
1414 :			{
1415 :	h	1.20
1416 :	edgomez	1.102	pMB->mode = MODE_INTRA;
1417 :	h	1.20
1418 :	edgomez	1.102	/* zero mv statistics */
1419 :			pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = 0;
1420 :			pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = 0;
1421 :			pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = 0;
1422 :			pMB->sad16 = 0;
1423 :	h	1.20
1424 :	edgomez	1.102	if (pMB->dquant != 0) {
1425 :			pMB->mode = MODE_INTRA_Q;
1426 :	h	1.20	}
1427 :			}
1428 :
1429 :
1430 :	edgomez	1.102
1431 :	edgomez	1.41	static int
1432 :			FrameCodeI(Encoder * pEnc,
1433 :	edgomez	1.102	Bitstream * bs)
1434 :	h	1.21	{
1435 :	edgomez	1.102	int bits = BitstreamPos(bs);
1436 :	edgomez	1.91	int mb_width = pEnc->mbParam.mb_width;
1437 :			int mb_height = pEnc->mbParam.mb_height;
1438 :	h	1.21
1439 :			DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE);
1440 :	edgomez	1.41	DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE);
1441 :	h	1.21
1442 :			uint16_t x, y;
1443 :
1444 :	suxen_drol	1.27	pEnc->mbParam.m_rounding_type = 1;
1445 :			pEnc->current->rounding_type = pEnc->mbParam.m_rounding_type;
1446 :			pEnc->current->coding_type = I_VOP;
1447 :	h	1.21
1448 :	edgomez	1.102	call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_FRAME, NULL, NULL, NULL);
1449 :
1450 :			SetMacroblockQuants(&pEnc->mbParam, pEnc->current);
1451 :
1452 :	suxen_drol	1.27	BitstreamWriteVolHeader(bs, &pEnc->mbParam, pEnc->current);
1453 :	edgomez	1.78
1454 :	edgomez	1.91	set_timecodes(pEnc->current,pEnc->reference,pEnc->mbParam.fbase);
1455 :
1456 :	edgomez	1.101	BitstreamPad(bs);
1457 :	h	1.21
1458 :	edgomez	1.102	BitstreamWriteVopHeader(bs, &pEnc->mbParam, pEnc->current, 1, pEnc->current->mbs[0].quant);
1459 :	h	1.21
1460 :	edgomez	1.91	pEnc->current->sStat.iTextBits = 0;
1461 :			pEnc->current->sStat.kblks = mb_width * mb_height;
1462 :			pEnc->current->sStat.mblks = pEnc->current->sStat.ublks = 0;
1463 :	h	1.21
1464 :	edgomez	1.91	for (y = 0; y < mb_height; y++)
1465 :			for (x = 0; x < mb_width; x++) {
1466 :	edgomez	1.41	MACROBLOCK *pMB =
1467 :			&pEnc->current->mbs[x + y * pEnc->mbParam.mb_width];
1468 :	h	1.21
1469 :			CodeIntraMB(pEnc, pMB);
1470 :
1471 :	edgomez	1.41	MBTransQuantIntra(&pEnc->mbParam, pEnc->current, pMB, x, y,
1472 :			dct_codes, qcoeff);
1473 :	h	1.21
1474 :			start_timer();
1475 :	suxen_drol	1.27	MBPrediction(pEnc->current, x, y, pEnc->mbParam.mb_width, qcoeff);
1476 :	h	1.21	stop_prediction_timer();
1477 :
1478 :			start_timer();
1479 :	edgomez	1.91	MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->current->sStat);
1480 :	h	1.21	stop_coding_timer();
1481 :			}
1482 :
1483 :			emms();
1484 :
1485 :	edgomez	1.102	BitstreamPadAlways(bs); /* next_start_code() at the end of VideoObjectPlane() */
1486 :
1487 :			pEnc->current->length = (BitstreamPos(bs) - bits) / 8;
1488 :
1489 :	edgomez	1.91	pEnc->fMvPrevSigma = -1;
1490 :	suxen_drol	1.27	pEnc->mbParam.m_fcode = 2;
1491 :	h	1.21
1492 :	edgomez	1.102	pEnc->current->is_edged = 0; /* not edged */
1493 :			pEnc->current->is_interpolated = -1; /* not interpolated (fake rounding -1) */
1494 :	h	1.21
1495 :	edgomez	1.93	return 1; /* intra */
1496 :	h	1.21	}
1497 :
1498 :	syskin	1.114	static __inline void
1499 :			updateFcode(Statistics * sStat, Encoder * pEnc)
1500 :			{
1501 :			float fSigma;
1502 :			int iSearchRange;
1503 :
1504 :			if (sStat->iMvCount == 0)
1505 :			sStat->iMvCount = 1;
1506 :
1507 :			fSigma = (float) sqrt((float) sStat->iMvSum / sStat->iMvCount);
1508 :
1509 :			iSearchRange = 16 << pEnc->mbParam.m_fcode;
1510 :
1511 :			if ((3.0 * fSigma > iSearchRange) && (pEnc->mbParam.m_fcode <= 5) )
1512 :			pEnc->mbParam.m_fcode++;
1513 :
1514 :			else if ((5.0 * fSigma < iSearchRange)
1515 :			&& (4.0 * pEnc->fMvPrevSigma < iSearchRange)
1516 :			&& (pEnc->mbParam.m_fcode >= 2) )
1517 :			pEnc->mbParam.m_fcode--;
1518 :
1519 :			pEnc->fMvPrevSigma = fSigma;
1520 :			}
1521 :	h	1.21
1522 :	edgomez	1.91	#define BFRAME_SKIP_THRESHHOLD 30
1523 :
1524 :			/* FrameCodeP also handles S(GMC)-VOPs */
1525 :	edgomez	1.41	static int
1526 :			FrameCodeP(Encoder * pEnc,
1527 :	syskin	1.104	Bitstream * bs)
1528 :	Isibaar	1.1	{
1529 :	edgomez	1.102	int bits = BitstreamPos(bs);
1530 :	edgomez	1.13
1531 :			DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE);
1532 :	edgomez	1.41	DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE);
1533 :	Isibaar	1.8
1534 :	edgomez	1.91	int x, y, k;
1535 :	edgomez	1.102	FRAMEINFO *const current = pEnc->current;
1536 :			FRAMEINFO *const reference = pEnc->reference;
1537 :			MBParam * const pParam = &pEnc->mbParam;
1538 :			int mb_width = pParam->mb_width;
1539 :			int mb_height = pParam->mb_height;
1540 :	syskin	1.103	int coded = 1;
1541 :	syskin	1.96
1542 :	edgomez	1.102	IMAGE *pRef = &reference->image;
1543 :
1544 :			if (!reference->is_edged) {
1545 :			start_timer();
1546 :			image_setedges(pRef, pParam->edged_width, pParam->edged_height,
1547 :			pParam->width, pParam->height, 0);
1548 :			stop_edges_timer();
1549 :			reference->is_edged = 1;
1550 :			}
1551 :
1552 :			pParam->m_rounding_type = 1 - pParam->m_rounding_type;
1553 :			current->rounding_type = pParam->m_rounding_type;
1554 :			current->fcode = pParam->m_fcode;
1555 :	Isibaar	1.1
1556 :	edgomez	1.102	if ((current->vop_flags & XVID_VOP_HALFPEL)) {
1557 :			if (reference->is_interpolated != current->rounding_type) {
1558 :			start_timer();
1559 :			image_interpolate(pRef, &pEnc->vInterH, &pEnc->vInterV,
1560 :			&pEnc->vInterHV, pParam->edged_width,
1561 :			pParam->edged_height,
1562 :			(pParam->vol_flags & XVID_VOL_QUARTERPEL),
1563 :			current->rounding_type);
1564 :			stop_inter_timer();
1565 :			reference->is_interpolated = current->rounding_type;
1566 :			}
1567 :	Isibaar	1.1	}
1568 :
1569 :	syskin	1.111	current->sStat.iTextBits = current->sStat.iMvSum = current->sStat.iMvCount =
1570 :			current->sStat.kblks = current->sStat.mblks = current->sStat.ublks = 0;
1571 :
1572 :	edgomez	1.102	current->coding_type = P_VOP;
1573 :
1574 :			call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_FRAME, NULL, NULL, NULL);
1575 :
1576 :			SetMacroblockQuants(&pEnc->mbParam, current);
1577 :	syskin	1.96
1578 :	Isibaar	1.1	start_timer();
1579 :	edgomez	1.102	if (current->vol_flags & XVID_VOL_GMC ) /* GMC only for S(GMC)-VOPs */
1580 :			{ int gmcval;
1581 :			current->warp = GlobalMotionEst( current->mbs, pParam, current, reference,
1582 :			&pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV);
1583 :
1584 :			if (current->motion_flags & XVID_ME_GME_REFINE) {
1585 :			gmcval = GlobalMotionEstRefine(&current->warp,
1586 :			current->mbs, pParam,
1587 :			current, reference,
1588 :			&current->image,
1589 :			&reference->image,
1590 :			&pEnc->vInterH,
1591 :			&pEnc->vInterV,
1592 :			&pEnc->vInterHV);
1593 :			} else {
1594 :			gmcval = globalSAD(&current->warp, pParam, current->mbs,
1595 :			current,
1596 :			&reference->image,
1597 :			&current->image,
1598 :			pEnc->vGMC.y);
1599 :			}
1600 :
1601 :			gmcval += /current->quant/ 2 * (int)(pParam->mb_width*pParam->mb_height);
1602 :
1603 :			/* 1st '3': 3 warpoints, 2nd '3': 16th pel res (2<<3) */
1604 :			generate_GMCparameters( 3, 3, &current->warp,
1605 :			pParam->width, pParam->height,
1606 :			&current->new_gmc_data);
1607 :
1608 :			if ( (gmcval<0) && ( (current->warp.duv[1].x != 0) \|\| (current->warp.duv[1].y != 0) \|\|
1609 :			(current->warp.duv[2].x != 0) \|\| (current->warp.duv[2].y != 0) ) )
1610 :			{
1611 :			current->coding_type = S_VOP;
1612 :
1613 :			generate_GMCimage(&current->new_gmc_data, &reference->image,
1614 :			pParam->mb_width, pParam->mb_height,
1615 :			pParam->edged_width, pParam->edged_width/2,
1616 :			pParam->m_fcode, ((pParam->vol_flags & XVID_VOL_QUARTERPEL)?1:0), 0,
1617 :			current->rounding_type, current->mbs, &pEnc->vGMC);
1618 :
1619 :			} else {
1620 :	edgomez	1.91
1621 :	edgomez	1.102	generate_GMCimage(&current->new_gmc_data, &reference->image,
1622 :			pParam->mb_width, pParam->mb_height,
1623 :			pParam->edged_width, pParam->edged_width/2,
1624 :			pParam->m_fcode, ((pParam->vol_flags & XVID_VOL_QUARTERPEL)?1:0), 0,
1625 :			current->rounding_type, current->mbs, NULL); /* no warping, just AMV */
1626 :			}
1627 :			}
1628 :	Isibaar	1.1
1629 :	syskin	1.104	MotionEstimation(&pEnc->mbParam, current, reference,
1630 :	edgomez	1.102	&pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV,
1631 :	syskin	1.104	&pEnc->vGMC, 256*4096);
1632 :	edgomez	1.91
1633 :
1634 :	edgomez	1.102	stop_motion_timer();
1635 :	edgomez	1.91
1636 :	edgomez	1.102	set_timecodes(current,reference,pParam->fbase);
1637 :	Isibaar	1.1
1638 :	edgomez	1.102	BitstreamWriteVopHeader(bs, &pEnc->mbParam, current, 1, current->mbs[0].quant);
1639 :	edgomez	1.3
1640 :	edgomez	1.91	for (y = 0; y < mb_height; y++) {
1641 :			for (x = 0; x < mb_width; x++) {
1642 :	syskin	1.116	MACROBLOCK pMB = &current->mbs[x + y pParam->mb_width];
1643 :			int skip_possible;
1644 :	edgomez	1.91
1645 :	syskin	1.115	if (pMB->mode == MODE_INTRA \|\| pMB->mode == MODE_INTRA_Q) {
1646 :	Isibaar	1.1	CodeIntraMB(pEnc, pMB);
1647 :	edgomez	1.102	MBTransQuantIntra(&pEnc->mbParam, current, pMB, x, y,
1648 :	edgomez	1.41	dct_codes, qcoeff);
1649 :	chl	1.81
1650 :			start_timer();
1651 :	edgomez	1.102	MBPrediction(current, x, y, pParam->mb_width, qcoeff);
1652 :	chl	1.81	stop_prediction_timer();
1653 :	edgomez	1.91
1654 :	edgomez	1.102	current->sStat.kblks++;
1655 :	edgomez	1.91
1656 :	edgomez	1.102	MBCoding(current, pMB, qcoeff, bs, &current->sStat);
1657 :	edgomez	1.91	stop_coding_timer();
1658 :			continue;
1659 :			}
1660 :
1661 :			start_timer();
1662 :	edgomez	1.102	MBMotionCompensation(pMB, x, y, &reference->image,
1663 :	edgomez	1.91	&pEnc->vInterH, &pEnc->vInterV,
1664 :	syskin	1.96	&pEnc->vInterHV, &pEnc->vGMC,
1665 :	edgomez	1.102	&current->image,
1666 :			dct_codes, pParam->width,
1667 :			pParam->height,
1668 :			pParam->edged_width,
1669 :			(current->vol_flags & XVID_VOL_QUARTERPEL),
1670 :			current->rounding_type);
1671 :	edgomez	1.91
1672 :			stop_comp_timer();
1673 :
1674 :			pMB->field_pred = 0;
1675 :
1676 :	syskin	1.112	if (pMB->cbp != 0) {
1677 :	syskin	1.113	pMB->cbp = MBTransQuantInter(&pEnc->mbParam, current, pMB, x, y,
1678 :	edgomez	1.91	dct_codes, qcoeff);
1679 :			}
1680 :
1681 :	edgomez	1.102	if (pMB->dquant != 0)
1682 :			MBSetDquant(pMB, x, y, &pEnc->mbParam);
1683 :
1684 :
1685 :	edgomez	1.91	if (pMB->cbp \|\| pMB->mvs[0].x \|\| pMB->mvs[0].y \|\|
1686 :			pMB->mvs[1].x \|\| pMB->mvs[1].y \|\| pMB->mvs[2].x \|\|
1687 :			pMB->mvs[2].y \|\| pMB->mvs[3].x \|\| pMB->mvs[3].y) {
1688 :	edgomez	1.102	current->sStat.mblks++;
1689 :	chl	1.64	} else {
1690 :	edgomez	1.102	current->sStat.ublks++;
1691 :	edgomez	1.91	}
1692 :	edgomez	1.102
1693 :	Isibaar	1.1	start_timer();
1694 :	chl	1.65
1695 :			/* Finished processing the MB, now check if to CODE or SKIP */
1696 :
1697 :	syskin	1.116	skip_possible = (pMB->cbp == 0) && (pMB->mode == MODE_INTER);
1698 :	edgomez	1.102
1699 :			if (current->coding_type == S_VOP)
1700 :	edgomez	1.91	skip_possible &= (pMB->mcsel == 1);
1701 :	syskin	1.116	else { /* PVOP */
1702 :			const VECTOR * const mv = (pParam->vol_flags & XVID_VOL_QUARTERPEL) ?
1703 :			pMB->qmvs : pMB->mvs;
1704 :			skip_possible &= ((mv->x\|mv->y) == 0);
1705 :	edgomez	1.91	}
1706 :
1707 :	syskin	1.116	if ((pMB->mode == MODE_NOT_CODED) \|\| (skip_possible)) {
1708 :			/* This is a candidate for SKIPping, but for P-VOPs check intermediate B-frames first */
1709 :			int bSkip = 1;
1710 :	edgomez	1.91
1711 :	syskin	1.116	if (current->coding_type == P_VOP) { /* special rule for P-VOP's SKIP */
1712 :	edgomez	1.91
1713 :	syskin	1.116	for (k = pEnc->bframenum_head; k < pEnc->bframenum_tail; k++) {
1714 :	edgomez	1.91	int iSAD;
1715 :	edgomez	1.102	iSAD = sad16(reference->image.y + 16ypParam->edged_width + 16*x,
1716 :	syskin	1.116	pEnc->bframes[k]->image.y + 16ypParam->edged_width + 16*x,
1717 :			pParam->edged_width, BFRAME_SKIP_THRESHHOLD * pMB->quant);
1718 :			if (iSAD >= BFRAME_SKIP_THRESHHOLD * pMB->quant) {
1719 :			bSkip = 0; /* could not SKIP */
1720 :			if (pParam->vol_flags & XVID_VOL_QUARTERPEL) {
1721 :			VECTOR predMV = get_qpmv2(current->mbs, pParam->mb_width, 0, x, y, 0);
1722 :			pMB->pmvs[0].x = - predMV.x;
1723 :			pMB->pmvs[0].y = - predMV.y;
1724 :			} else {
1725 :			VECTOR predMV = get_pmv2(current->mbs, pParam->mb_width, 0, x, y, 0);
1726 :			pMB->pmvs[0].x = - predMV.x;
1727 :			pMB->pmvs[0].y = - predMV.y;
1728 :			}
1729 :			pMB->mode = MODE_INTER;
1730 :			pMB->cbp = 0;
1731 :	edgomez	1.91	break;
1732 :			}
1733 :			}
1734 :			}
1735 :
1736 :	syskin	1.116	if (bSkip) {
1737 :			/* do SKIP */
1738 :			pMB->mode = MODE_NOT_CODED;
1739 :			MBSkip(bs);
1740 :			stop_coding_timer();
1741 :			continue; /* next MB */
1742 :	chl	1.68	}
1743 :	chl	1.65	}
1744 :	edgomez	1.102
1745 :	syskin	1.116	/* ordinary case: normal coded INTER/INTER4V block */
1746 :	edgomez	1.102	MBCoding(current, pMB, qcoeff, bs, &pEnc->current->sStat);
1747 :	edgomez	1.91	stop_coding_timer();
1748 :	Isibaar	1.1	}
1749 :			}
1750 :
1751 :			emms();
1752 :	syskin	1.114	updateFcode(&current->sStat, pEnc);
1753 :	edgomez	1.91
1754 :			/* frame drop code */
1755 :	edgomez	1.102	#if 0
1756 :			DPRINTF(XVID_DEBUG_DEBUG, "kmu %i %i %i\n", current->sStat.kblks, current->sStat.mblks, current->sStat.ublks);
1757 :			#endif
1758 :	syskin	1.103	if (current->sStat.kblks + current->sStat.mblks <=
1759 :	syskin	1.105	(pParam->frame_drop_ratio * mb_width * mb_height) / 100 &&
1760 :			( (pEnc->bframenum_head >= pEnc->bframenum_tail) \|\| !(pEnc->mbParam.global_flags & XVID_GLOBAL_CLOSED_GOP)) )
1761 :	edgomez	1.91	{
1762 :	Isibaar	1.120.2.1	current->sStat.kblks = current->sStat.mblks = current->sStat.iTextBits = 0;
1763 :	edgomez	1.102	current->sStat.ublks = mb_width * mb_height;
1764 :	edgomez	1.91
1765 :			BitstreamReset(bs);
1766 :
1767 :	edgomez	1.102	set_timecodes(current,reference,pParam->fbase);
1768 :			BitstreamWriteVopHeader(bs, &pEnc->mbParam, current, 0, current->mbs[0].quant);
1769 :	edgomez	1.91
1770 :	edgomez	1.93	/* copy reference frame details into the current frame */
1771 :	edgomez	1.102	current->quant = reference->quant;
1772 :			current->motion_flags = reference->motion_flags;
1773 :			current->rounding_type = reference->rounding_type;
1774 :			current->fcode = reference->fcode;
1775 :			current->bcode = reference->bcode;
1776 :	syskin	1.103	current->stamp = reference->stamp;
1777 :	edgomez	1.102	image_copy(&current->image, &reference->image, pParam->edged_width, pParam->height);
1778 :			memcpy(current->mbs, reference->mbs, sizeof(MACROBLOCK) * mb_width * mb_height);
1779 :	syskin	1.103	coded = 0;
1780 :
1781 :			} else {
1782 :	edgomez	1.102
1783 :	syskin	1.103	pEnc->current->is_edged = 0; /* not edged */
1784 :			pEnc->current->is_interpolated = -1; /* not interpolated (fake rounding -1) */
1785 :	edgomez	1.102
1786 :	syskin	1.103	/* what was this frame's interpolated reference will become
1787 :			forward (past) reference in b-frame coding */
1788 :	edgomez	1.102
1789 :	syskin	1.103	image_swap(&pEnc->vInterH, &pEnc->f_refh);
1790 :			image_swap(&pEnc->vInterV, &pEnc->f_refv);
1791 :			image_swap(&pEnc->vInterHV, &pEnc->f_refhv);
1792 :			}
1793 :	edgomez	1.91
1794 :			/* XXX: debug
1795 :			{
1796 :			char s[100];
1797 :			sprintf(s, "\\%05i_cur.pgm", pEnc->m_framenum);
1798 :	edgomez	1.102	image_dump_yuvpgm(&current->image,
1799 :			pParam->edged_width,
1800 :			pParam->width, pParam->height, s);
1801 :
1802 :	edgomez	1.91	sprintf(s, "\\%05i_ref.pgm", pEnc->m_framenum);
1803 :	edgomez	1.102	image_dump_yuvpgm(&reference->image,
1804 :			pParam->edged_width,
1805 :			pParam->width, pParam->height, s);
1806 :	syskin	1.96	}
1807 :	edgomez	1.91	*/
1808 :
1809 :	edgomez	1.102	BitstreamPadAlways(bs); /* next_start_code() at the end of VideoObjectPlane() */
1810 :	suxen_drol	1.60
1811 :	edgomez	1.102	current->length = (BitstreamPos(bs) - bits) / 8;
1812 :	Isibaar	1.1
1813 :	syskin	1.103	return coded;
1814 :	edgomez	1.91	}
1815 :
1816 :
1817 :			static void
1818 :			FrameCodeB(Encoder * pEnc,
1819 :			FRAMEINFO * frame,
1820 :	edgomez	1.102	Bitstream * bs)
1821 :	edgomez	1.91	{
1822 :	edgomez	1.102	int bits = BitstreamPos(bs);
1823 :	edgomez	1.91	DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE);
1824 :			DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE);
1825 :			uint32_t x, y;
1826 :
1827 :			IMAGE *f_ref = &pEnc->reference->image;
1828 :			IMAGE *b_ref = &pEnc->current->image;
1829 :
1830 :	edgomez	1.102	#ifdef BFRAMES_DEC_DEBUG
1831 :	edgomez	1.91	FILE *fp;
1832 :			static char first=0;
1833 :			#define BFRAME_DEBUG if (!first && fp){ \
1834 :			fprintf(fp,"Y=%3d X=%3d MB=%2d CBP=%02X\n",y,x,mb->mode,mb->cbp); \
1835 :			}
1836 :
1837 :			if (!first){
1838 :			fp=fopen("C:\\XVIDDBGE.TXT","w");
1839 :			}
1840 :			#endif
1841 :
1842 :	edgomez	1.102	/* forward */
1843 :			if (!pEnc->reference->is_edged) {
1844 :			image_setedges(f_ref, pEnc->mbParam.edged_width,
1845 :			pEnc->mbParam.edged_height, pEnc->mbParam.width,
1846 :			pEnc->mbParam.height, 0);
1847 :			pEnc->current->is_edged = 1;
1848 :			}
1849 :	syskin	1.96
1850 :	edgomez	1.102	if (pEnc->reference->is_interpolated != 0) {
1851 :			start_timer();
1852 :			image_interpolate(f_ref, &pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv,
1853 :			pEnc->mbParam.edged_width, pEnc->mbParam.edged_height,
1854 :			(pEnc->mbParam.vol_flags & XVID_VOL_QUARTERPEL), 0);
1855 :			stop_inter_timer();
1856 :			pEnc->reference->is_interpolated = 0;
1857 :			}
1858 :	edgomez	1.91
1859 :	edgomez	1.93	/* backward */
1860 :	edgomez	1.102	if (!pEnc->current->is_edged) {
1861 :			image_setedges(b_ref, pEnc->mbParam.edged_width,
1862 :			pEnc->mbParam.edged_height, pEnc->mbParam.width,
1863 :			pEnc->mbParam.height, 0);
1864 :			pEnc->current->is_edged = 1;
1865 :			}
1866 :
1867 :			if (pEnc->current->is_interpolated != 0) {
1868 :			start_timer();
1869 :			image_interpolate(b_ref, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV,
1870 :			pEnc->mbParam.edged_width, pEnc->mbParam.edged_height,
1871 :			(pEnc->mbParam.vol_flags & XVID_VOL_QUARTERPEL), 0);
1872 :			stop_inter_timer();
1873 :			pEnc->current->is_interpolated = 0;
1874 :			}
1875 :
1876 :			frame->coding_type = B_VOP;
1877 :			call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_FRAME, NULL, NULL, NULL);
1878 :	edgomez	1.91
1879 :			start_timer();
1880 :	syskin	1.96	MotionEstimationBVOP(&pEnc->mbParam, frame,
1881 :	edgomez	1.93	((int32_t)(pEnc->current->stamp - frame->stamp)), /* time_bp */
1882 :			((int32_t)(pEnc->current->stamp - pEnc->reference->stamp)), /* time_pp */
1883 :			pEnc->reference->mbs, f_ref,
1884 :	edgomez	1.91	&pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv,
1885 :			pEnc->current, b_ref, &pEnc->vInterH,
1886 :			&pEnc->vInterV, &pEnc->vInterHV);
1887 :			stop_motion_timer();
1888 :
1889 :			set_timecodes(frame, pEnc->reference,pEnc->mbParam.fbase);
1890 :	edgomez	1.102	BitstreamWriteVopHeader(bs, &pEnc->mbParam, frame, 1, frame->quant);
1891 :	edgomez	1.91
1892 :			frame->sStat.iTextBits = 0;
1893 :			frame->sStat.iMvSum = 0;
1894 :			frame->sStat.iMvCount = 0;
1895 :			frame->sStat.kblks = frame->sStat.mblks = frame->sStat.ublks = 0;
1896 :	edgomez	1.102	frame->sStat.mblks = pEnc->mbParam.mb_width * pEnc->mbParam.mb_height;
1897 :			frame->sStat.kblks = frame->sStat.ublks = 0;
1898 :	edgomez	1.91
1899 :			for (y = 0; y < pEnc->mbParam.mb_height; y++) {
1900 :			for (x = 0; x < pEnc->mbParam.mb_width; x++) {
1901 :			MACROBLOCK * const mb = &frame->mbs[x + y * pEnc->mbParam.mb_width];
1902 :
1903 :	edgomez	1.93	/* decoder ignores mb when refence block is INTER(0,0), CBP=0 */
1904 :	edgomez	1.91	if (mb->mode == MODE_NOT_CODED) {
1905 :	edgomez	1.102	if (pEnc->mbParam.plugin_flags & XVID_REQORIGINAL) {
1906 :			MBMotionCompensation(mb, x, y, f_ref, NULL, f_ref, NULL, NULL, &frame->image,
1907 :	syskin	1.109	NULL, 0, 0, pEnc->mbParam.edged_width, 0, 0);
1908 :	edgomez	1.102	}
1909 :	edgomez	1.91	continue;
1910 :			}
1911 :
1912 :	syskin	1.112	mb->quant = frame->quant;
1913 :
1914 :			if (mb->cbp != 0 \|\| pEnc->mbParam.plugin_flags & XVID_REQORIGINAL) {
1915 :			/* we have to motion-compensate, transfer etc,
1916 :			because there might be blocks to code */
1917 :
1918 :	edgomez	1.91	MBMotionCompensationBVOP(&pEnc->mbParam, mb, x, y, &frame->image,
1919 :	syskin	1.112	f_ref, &pEnc->f_refh, &pEnc->f_refv,
1920 :			&pEnc->f_refhv, b_ref, &pEnc->vInterH,
1921 :			&pEnc->vInterV, &pEnc->vInterHV,
1922 :			dct_codes);
1923 :
1924 :			mb->cbp = MBTransQuantInterBVOP(&pEnc->mbParam, frame, mb, x, y, dct_codes, qcoeff);
1925 :	edgomez	1.91	}
1926 :	syskin	1.112
1927 :			if (mb->mode == MODE_DIRECT_NO4V)
1928 :			mb->mode = MODE_DIRECT;
1929 :
1930 :			if (mb->mode == MODE_DIRECT && (mb->cbp \| mb->pmvs[3].x \| mb->pmvs[3].y) == 0)
1931 :			mb->mode = MODE_DIRECT_NONE_MV; /* skipped */
1932 :	syskin	1.115	else
1933 :			if (frame->vop_flags & XVID_VOP_GREYSCALE)
1934 :			/* keep only bits 5-2 -- Chroma blocks will just be skipped by MBCodingBVOP */
1935 :			mb->cbp &= 0x3C;
1936 :	edgomez	1.102
1937 :	edgomez	1.91	start_timer();
1938 :	edgomez	1.102	MBCodingBVOP(frame, mb, qcoeff, frame->fcode, frame->bcode, bs,
1939 :			&frame->sStat);
1940 :	edgomez	1.91	stop_coding_timer();
1941 :			}
1942 :			}
1943 :
1944 :			emms();
1945 :
1946 :	edgomez	1.102	BitstreamPadAlways(bs); /* next_start_code() at the end of VideoObjectPlane() */
1947 :			frame->length = (BitstreamPos(bs) - bits) / 8;
1948 :	edgomez	1.91
1949 :			#ifdef BFRAMES_DEC_DEBUG
1950 :			if (!first){
1951 :			first=1;
1952 :			if (fp)
1953 :			fclose(fp);
1954 :			}
1955 :			#endif
1956 :	suxen_drol	1.24	}

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