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1 : | Isibaar | 3 | #include <stdlib.h> |
2 : | #include <stdio.h> | ||
3 : | #include <math.h> | ||
4 : | |||
5 : | #include "encoder.h" | ||
6 : | #include "prediction/mbprediction.h" | ||
7 : | #include "global.h" | ||
8 : | #include "utils/timer.h" | ||
9 : | #include "image/image.h" | ||
10 : | #include "bitstream/cbp.h" | ||
11 : | #include "utils/mbfunctions.h" | ||
12 : | #include "bitstream/bitstream.h" | ||
13 : | #include "bitstream/mbcoding.h" | ||
14 : | #include "utils/ratecontrol.h" | ||
15 : | #include "utils/emms.h" | ||
16 : | #include "bitstream/mbcoding.h" | ||
17 : | #include "quant/adapt_quant.h" | ||
18 : | |||
19 : | #define ENC_CHECK(X) if(!(X)) return XVID_ERR_FORMAT | ||
20 : | |||
21 : | |||
22 : | static int FrameCodeI(Encoder * pEnc, Bitstream * bs, uint32_t *pBits); | ||
23 : | static int FrameCodeP(Encoder * pEnc, Bitstream * bs, uint32_t *pBits, bool force_inter, bool vol_header); | ||
24 : | |||
25 : | static int DQtab[4] = | ||
26 : | { | ||
27 : | -1, -2, 1, 2 | ||
28 : | }; | ||
29 : | |||
30 : | static int iDQtab[5] = | ||
31 : | { | ||
32 : | 1, 0, NO_CHANGE, 2, 3 | ||
33 : | }; | ||
34 : | |||
35 : | |||
36 : | int encoder_create(XVID_ENC_PARAM * pParam) | ||
37 : | { | ||
38 : | Encoder *pEnc; | ||
39 : | uint32_t i; | ||
40 : | |||
41 : | pParam->handle = NULL; | ||
42 : | |||
43 : | ENC_CHECK(pParam); | ||
44 : | |||
45 : | ENC_CHECK(pParam->width > 0 && pParam->width <= 1920); | ||
46 : | ENC_CHECK(pParam->height > 0 && pParam->height <= 1280); | ||
47 : | ENC_CHECK(!(pParam->width % 2)); | ||
48 : | ENC_CHECK(!(pParam->height % 2)); | ||
49 : | |||
50 : | if (pParam->fincr <= 0 || pParam->fbase <= 0) | ||
51 : | { | ||
52 : | pParam->fincr = 1; | ||
53 : | pParam->fbase = 25; | ||
54 : | } | ||
55 : | |||
56 : | // simplify the "fincr/fbase" fraction | ||
57 : | // (neccessary, since windows supplies us with huge numbers) | ||
58 : | |||
59 : | i = pParam->fincr; | ||
60 : | while (i > 1) | ||
61 : | { | ||
62 : | if (pParam->fincr % i == 0 && pParam->fbase % i == 0) | ||
63 : | { | ||
64 : | pParam->fincr /= i; | ||
65 : | pParam->fbase /= i; | ||
66 : | i = pParam->fincr; | ||
67 : | continue; | ||
68 : | } | ||
69 : | i--; | ||
70 : | } | ||
71 : | |||
72 : | if (pParam->fbase > 65535) | ||
73 : | { | ||
74 : | float div = (float)pParam->fbase / 65535; | ||
75 : | pParam->fbase = (int)(pParam->fbase / div); | ||
76 : | pParam->fincr = (int)(pParam->fincr / div); | ||
77 : | } | ||
78 : | |||
79 : | if (pParam->bitrate <= 0) | ||
80 : | pParam->bitrate = 900000; | ||
81 : | |||
82 : | if (pParam->rc_buffersize <= 0) | ||
83 : | pParam->rc_buffersize = pParam->bitrate * pParam->fbase; | ||
84 : | |||
85 : | if ((pParam->min_quantizer <= 0) || (pParam->min_quantizer > 31)) | ||
86 : | pParam->min_quantizer = 1; | ||
87 : | |||
88 : | if ((pParam->max_quantizer <= 0) || (pParam->max_quantizer > 31)) | ||
89 : | pParam->max_quantizer = 31; | ||
90 : | |||
91 : | if (pParam->max_key_interval == 0) /* 1 keyframe each 10 seconds */ | ||
92 : | pParam->max_key_interval = 10 * pParam->fincr / pParam->fbase; | ||
93 : | |||
94 : | if (pParam->max_quantizer < pParam->min_quantizer) | ||
95 : | pParam->max_quantizer = pParam->min_quantizer; | ||
96 : | |||
97 : | if ((pEnc = (Encoder *) malloc(sizeof(Encoder))) == NULL) | ||
98 : | return XVID_ERR_MEMORY; | ||
99 : | |||
100 : | /* Fill members of Encoder structure */ | ||
101 : | |||
102 : | pEnc->mbParam.width = pParam->width; | ||
103 : | pEnc->mbParam.height = pParam->height; | ||
104 : | |||
105 : | pEnc->mbParam.mb_width = (pEnc->mbParam.width + 15) / 16; | ||
106 : | pEnc->mbParam.mb_height = (pEnc->mbParam.height + 15) / 16; | ||
107 : | |||
108 : | pEnc->mbParam.edged_width = 16 * pEnc->mbParam.mb_width + 2 * EDGE_SIZE; | ||
109 : | pEnc->mbParam.edged_height = 16 * pEnc->mbParam.mb_height + 2 * EDGE_SIZE; | ||
110 : | |||
111 : | pEnc->sStat.fMvPrevSigma = -1; | ||
112 : | |||
113 : | /* Fill rate control parameters */ | ||
114 : | |||
115 : | pEnc->mbParam.quant = 4; | ||
116 : | |||
117 : | pEnc->bitrate = pParam->bitrate; | ||
118 : | |||
119 : | pEnc->iFrameNum = 0; | ||
120 : | pEnc->iMaxKeyInterval = pParam->max_key_interval; | ||
121 : | |||
122 : | if (image_create(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) | ||
123 : | { | ||
124 : | free(pEnc); | ||
125 : | return XVID_ERR_MEMORY; | ||
126 : | } | ||
127 : | |||
128 : | if (image_create(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) | ||
129 : | { | ||
130 : | image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
131 : | free(pEnc); | ||
132 : | return XVID_ERR_MEMORY; | ||
133 : | } | ||
134 : | |||
135 : | if (image_create(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) | ||
136 : | { | ||
137 : | image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
138 : | image_destroy(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
139 : | free(pEnc); | ||
140 : | return XVID_ERR_MEMORY; | ||
141 : | } | ||
142 : | |||
143 : | if (image_create(&pEnc->vInterV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) | ||
144 : | { | ||
145 : | image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
146 : | image_destroy(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
147 : | image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
148 : | free(pEnc); | ||
149 : | return XVID_ERR_MEMORY; | ||
150 : | } | ||
151 : | |||
152 : | if (image_create(&pEnc->vInterHV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) | ||
153 : | { | ||
154 : | image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
155 : | image_destroy(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
156 : | image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
157 : | image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
158 : | free(pEnc); | ||
159 : | return XVID_ERR_MEMORY; | ||
160 : | } | ||
161 : | |||
162 : | pEnc->pMBs = malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width * pEnc->mbParam.mb_height); | ||
163 : | if (pEnc->pMBs == NULL) | ||
164 : | { | ||
165 : | image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
166 : | image_destroy(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
167 : | image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
168 : | image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
169 : | image_destroy(&pEnc->vInterHV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
170 : | free(pEnc); | ||
171 : | return XVID_ERR_MEMORY; | ||
172 : | } | ||
173 : | |||
174 : | // init macroblock array | ||
175 : | for (i = 0; i < pEnc->mbParam.mb_width * pEnc->mbParam.mb_height; i++) | ||
176 : | { | ||
177 : | pEnc->pMBs[i].dquant = NO_CHANGE; | ||
178 : | } | ||
179 : | |||
180 : | pParam->handle = (void *)pEnc; | ||
181 : | |||
182 : | if (pParam->bitrate) | ||
183 : | { | ||
184 : | RateControlInit(pParam->bitrate, pParam->rc_buffersize, pParam->fbase, pParam->width, | ||
185 : | pParam->height, pParam->max_quantizer, pParam->min_quantizer); | ||
186 : | } | ||
187 : | |||
188 : | create_vlc_tables(); | ||
189 : | |||
190 : | return XVID_ERR_OK; | ||
191 : | } | ||
192 : | |||
193 : | |||
194 : | int encoder_destroy(Encoder * pEnc) | ||
195 : | { | ||
196 : | ENC_CHECK(pEnc); | ||
197 : | ENC_CHECK(pEnc->sCurrent.y); | ||
198 : | ENC_CHECK(pEnc->sReference.y); | ||
199 : | |||
200 : | free(pEnc->pMBs); | ||
201 : | image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
202 : | image_destroy(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
203 : | image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
204 : | image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
205 : | image_destroy(&pEnc->vInterHV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
206 : | free(pEnc); | ||
207 : | |||
208 : | destroy_vlc_tables(); | ||
209 : | |||
210 : | return XVID_ERR_OK; | ||
211 : | } | ||
212 : | |||
213 : | int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult) | ||
214 : | { | ||
215 : | uint16_t x, y; | ||
216 : | Bitstream bs; | ||
217 : | uint32_t bits; | ||
218 : | uint16_t quant_type = 0; | ||
219 : | uint16_t quant_change = 0; | ||
220 : | |||
221 : | IMAGE *pCurrent = &(pEnc->sCurrent); | ||
222 : | |||
223 : | start_global_timer(); | ||
224 : | |||
225 : | ENC_CHECK(pEnc); | ||
226 : | ENC_CHECK(pFrame); | ||
227 : | ENC_CHECK(pFrame->bitstream); | ||
228 : | ENC_CHECK(pFrame->image); | ||
229 : | |||
230 : | pEnc->mbParam.global_flags = pFrame->general; | ||
231 : | pEnc->mbParam.motion_flags = pFrame->motion; | ||
232 : | |||
233 : | start_timer(); | ||
234 : | if (image_input(&pEnc->sCurrent, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width, | ||
235 : | pFrame->image, pFrame->colorspace)) | ||
236 : | { | ||
237 : | return XVID_ERR_FORMAT; | ||
238 : | } | ||
239 : | stop_conv_timer(); | ||
240 : | |||
241 : | BitstreamInit(&bs, pFrame->bitstream, 0); | ||
242 : | |||
243 : | if (pFrame->quant == 0) | ||
244 : | { | ||
245 : | pEnc->mbParam.quant = RateControlGetQ(0); | ||
246 : | } | ||
247 : | else | ||
248 : | { | ||
249 : | pEnc->mbParam.quant = pFrame->quant; | ||
250 : | } | ||
251 : | |||
252 : | if ((pEnc->mbParam.global_flags & XVID_LUMIMASKING) > 0) | ||
253 : | { | ||
254 : | int * temp_dquants = (int *) malloc(pEnc->mbParam.mb_width * pEnc->mbParam.mb_height * sizeof(int)); | ||
255 : | |||
256 : | pEnc->mbParam.quant = adaptive_quantization(pEnc->sCurrent.y, pEnc->mbParam.width, | ||
257 : | temp_dquants, pFrame->quant, pFrame->quant, | ||
258 : | 2*pFrame->quant, pEnc->mbParam.mb_width, pEnc->mbParam.mb_height); | ||
259 : | |||
260 : | for (y = 0; y < pEnc->mbParam.mb_height; y++) | ||
261 : | for (x = 0; x < pEnc->mbParam.mb_width; x++) | ||
262 : | { | ||
263 : | MACROBLOCK *pMB = &pEnc->pMBs[x + y * pEnc->mbParam.mb_width]; | ||
264 : | pMB->dquant = iDQtab[(temp_dquants[y * pEnc->mbParam.mb_width + x] + 2)]; | ||
265 : | } | ||
266 : | free(temp_dquants); | ||
267 : | } | ||
268 : | |||
269 : | if(pEnc->mbParam.global_flags & XVID_H263QUANT) | ||
270 : | quant_type = H263_QUANT; | ||
271 : | else if(pEnc->mbParam.global_flags & XVID_MPEGQUANT) | ||
272 : | quant_type = MPEG4_QUANT; | ||
273 : | |||
274 : | if(pEnc->mbParam.quant_type != quant_type) { | ||
275 : | pEnc->mbParam.quant_type = quant_type; | ||
276 : | quant_change = 1; | ||
277 : | } | ||
278 : | else | ||
279 : | quant_change = 0; | ||
280 : | |||
281 : | |||
282 : | if (pFrame->intra < 0) | ||
283 : | { | ||
284 : | if ((pEnc->iFrameNum == 0) || ((pEnc->iMaxKeyInterval > 0) | ||
285 : | && (pEnc->iFrameNum >= pEnc->iMaxKeyInterval))) | ||
286 : | |||
287 : | pFrame->intra = FrameCodeI(pEnc, &bs, &bits); | ||
288 : | else | ||
289 : | pFrame->intra = FrameCodeP(pEnc, &bs, &bits, 0, quant_change); | ||
290 : | } | ||
291 : | else | ||
292 : | { | ||
293 : | if (pFrame->intra == 1) | ||
294 : | pFrame->intra = FrameCodeI(pEnc, &bs, &bits); | ||
295 : | else | ||
296 : | pFrame->intra = FrameCodeP(pEnc, &bs, &bits, 1, quant_change); | ||
297 : | } | ||
298 : | |||
299 : | BitstreamPutBits(&bs, 0xFFFF, 16); | ||
300 : | BitstreamPutBits(&bs, 0xFFFF, 16); | ||
301 : | BitstreamPad(&bs); | ||
302 : | pFrame->length = BitstreamLength(&bs); | ||
303 : | |||
304 : | if (pResult) | ||
305 : | { | ||
306 : | pResult->quant = pEnc->mbParam.quant; | ||
307 : | pResult->hlength = pFrame->length - (pEnc->sStat.iTextBits / 8); | ||
308 : | pResult->kblks = pEnc->sStat.kblks; | ||
309 : | pResult->mblks = pEnc->sStat.mblks; | ||
310 : | pResult->ublks = pEnc->sStat.ublks; | ||
311 : | } | ||
312 : | |||
313 : | if (pEnc->bitrate) | ||
314 : | { | ||
315 : | RateControlUpdate(pEnc->mbParam.quant, pFrame->length, pFrame->intra); | ||
316 : | } | ||
317 : | |||
318 : | pEnc->iFrameNum++; | ||
319 : | image_swap(&pEnc->sCurrent, &pEnc->sReference); | ||
320 : | |||
321 : | stop_global_timer(); | ||
322 : | write_timer(); | ||
323 : | |||
324 : | return XVID_ERR_OK; | ||
325 : | } | ||
326 : | |||
327 : | |||
328 : | static __inline void CodeIntraMB(Encoder *pEnc, MACROBLOCK *pMB) { | ||
329 : | |||
330 : | pMB->mode = MODE_INTRA; | ||
331 : | |||
332 : | if ((pEnc->mbParam.global_flags & XVID_LUMIMASKING) > 0) { | ||
333 : | if(pMB->dquant != NO_CHANGE) | ||
334 : | { | ||
335 : | pMB->mode = MODE_INTRA_Q; | ||
336 : | pEnc->mbParam.quant += DQtab[pMB->dquant]; | ||
337 : | |||
338 : | if (pEnc->mbParam.quant > 31) pEnc->mbParam.quant = 31; | ||
339 : | if (pEnc->mbParam.quant < 1) pEnc->mbParam.quant = 1; | ||
340 : | } | ||
341 : | } | ||
342 : | |||
343 : | pMB->quant = pEnc->mbParam.quant; | ||
344 : | } | ||
345 : | |||
346 : | |||
347 : | static int FrameCodeI(Encoder * pEnc, Bitstream * bs, uint32_t *pBits) | ||
348 : | { | ||
349 : | int16_t dct_codes[6][64]; | ||
350 : | int16_t qcoeff[6][64]; | ||
351 : | uint16_t x, y; | ||
352 : | IMAGE *pCurrent = &pEnc->sCurrent; | ||
353 : | |||
354 : | pEnc->iFrameNum = 0; | ||
355 : | pEnc->mbParam.rounding_type = 1; | ||
356 : | pEnc->mbParam.coding_type = I_VOP; | ||
357 : | |||
358 : | BitstreamWriteVolHeader(bs, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.quant_type); | ||
359 : | BitstreamWriteVopHeader(bs, I_VOP, pEnc->mbParam.rounding_type, | ||
360 : | pEnc->mbParam.quant, | ||
361 : | pEnc->mbParam.fixed_code); | ||
362 : | |||
363 : | *pBits = BitstreamPos(bs); | ||
364 : | |||
365 : | pEnc->sStat.iTextBits = 0; | ||
366 : | pEnc->sStat.kblks = pEnc->mbParam.mb_width * pEnc->mbParam.mb_height; | ||
367 : | pEnc->sStat.mblks = pEnc->sStat.ublks = 0; | ||
368 : | |||
369 : | for (y = 0; y < pEnc->mbParam.mb_height; y++) | ||
370 : | for (x = 0; x < pEnc->mbParam.mb_width; x++) | ||
371 : | { | ||
372 : | MACROBLOCK *pMB = &pEnc->pMBs[x + y * pEnc->mbParam.mb_width]; | ||
373 : | |||
374 : | CodeIntraMB(pEnc, pMB); | ||
375 : | |||
376 : | MBTransQuantIntra(&pEnc->mbParam, x, y, dct_codes, qcoeff, pCurrent); | ||
377 : | |||
378 : | start_timer(); | ||
379 : | MBPrediction(&pEnc->mbParam, x, y, pEnc->mbParam.mb_width, qcoeff, pEnc->pMBs); | ||
380 : | stop_prediction_timer(); | ||
381 : | |||
382 : | start_timer(); | ||
383 : | MBCoding(&pEnc->mbParam, pMB, qcoeff, bs, &pEnc->sStat); | ||
384 : | stop_coding_timer(); | ||
385 : | } | ||
386 : | |||
387 : | emms(); | ||
388 : | |||
389 : | *pBits = BitstreamPos(bs) - *pBits; | ||
390 : | pEnc->sStat.fMvPrevSigma = -1; | ||
391 : | pEnc->sStat.iMvSum = 0; | ||
392 : | pEnc->sStat.iMvCount = 0; | ||
393 : | pEnc->mbParam.fixed_code = 2; | ||
394 : | |||
395 : | return 1; // intra | ||
396 : | } | ||
397 : | |||
398 : | |||
399 : | #define INTRA_THRESHOLD 0.5 | ||
400 : | |||
401 : | static int FrameCodeP(Encoder * pEnc, Bitstream * bs, uint32_t *pBits, bool force_inter, bool vol_header) | ||
402 : | { | ||
403 : | float fSigma; | ||
404 : | int16_t dct_codes[6][64]; | ||
405 : | int16_t qcoeff[6][64]; | ||
406 : | int iLimit; | ||
407 : | uint32_t x, y; | ||
408 : | int iSearchRange; | ||
409 : | bool bIntra; | ||
410 : | |||
411 : | IMAGE *pCurrent = &pEnc->sCurrent; | ||
412 : | IMAGE *pRef = &pEnc->sReference; | ||
413 : | |||
414 : | image_setedges(pRef,pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, pEnc->mbParam.width, pEnc->mbParam.height); | ||
415 : | |||
416 : | pEnc->mbParam.rounding_type = 1 - pEnc->mbParam.rounding_type; | ||
417 : | |||
418 : | if (!force_inter) | ||
419 : | iLimit = (int)(pEnc->mbParam.mb_width * pEnc->mbParam.mb_height * INTRA_THRESHOLD); | ||
420 : | else | ||
421 : | iLimit = pEnc->mbParam.mb_width * pEnc->mbParam.mb_height + 1; | ||
422 : | |||
423 : | if ((pEnc->mbParam.global_flags & XVID_HALFPEL) > 0) { | ||
424 : | start_timer(); | ||
425 : | image_interpolate(pRef, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV, | ||
426 : | pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, | ||
427 : | pEnc->mbParam.rounding_type); | ||
428 : | stop_inter_timer(); | ||
429 : | } | ||
430 : | |||
431 : | start_timer(); | ||
432 : | bIntra = MotionEstimation(pEnc->pMBs, &pEnc->mbParam, &pEnc->sReference, | ||
433 : | &pEnc->vInterH, &pEnc->vInterV, | ||
434 : | &pEnc->vInterHV, &pEnc->sCurrent, iLimit); | ||
435 : | stop_motion_timer(); | ||
436 : | |||
437 : | if (bIntra == 1) | ||
438 : | return FrameCodeI(pEnc, bs, pBits); | ||
439 : | |||
440 : | pEnc->mbParam.coding_type = P_VOP; | ||
441 : | |||
442 : | if(vol_header) | ||
443 : | BitstreamWriteVolHeader(bs, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.quant_type); | ||
444 : | |||
445 : | BitstreamWriteVopHeader(bs, P_VOP, pEnc->mbParam.rounding_type, | ||
446 : | pEnc->mbParam.quant, | ||
447 : | pEnc->mbParam.fixed_code); | ||
448 : | |||
449 : | *pBits = BitstreamPos(bs); | ||
450 : | |||
451 : | pEnc->sStat.iTextBits = 0; | ||
452 : | pEnc->sStat.iMvSum = 0; | ||
453 : | pEnc->sStat.iMvCount = 0; | ||
454 : | pEnc->sStat.kblks = pEnc->sStat.mblks = pEnc->sStat.ublks = 0; | ||
455 : | |||
456 : | for(y = 0; y < pEnc->mbParam.mb_height; y++) | ||
457 : | { | ||
458 : | for(x = 0; x < pEnc->mbParam.mb_width; x++) | ||
459 : | { | ||
460 : | MACROBLOCK * pMB = &pEnc->pMBs[x + y * pEnc->mbParam.mb_width]; | ||
461 : | |||
462 : | bIntra = (pMB->mode == MODE_INTRA) || (pMB->mode == MODE_INTRA_Q); | ||
463 : | |||
464 : | if (!bIntra) | ||
465 : | { | ||
466 : | start_timer(); | ||
467 : | MBMotionCompensation(pMB, x, y, &pEnc->sReference, | ||
468 : | &pEnc->vInterH, &pEnc->vInterV, | ||
469 : | &pEnc->vInterHV, &pEnc->sCurrent, dct_codes, | ||
470 : | pEnc->mbParam.width, | ||
471 : | pEnc->mbParam.height, | ||
472 : | pEnc->mbParam.edged_width, | ||
473 : | pEnc->mbParam.rounding_type); | ||
474 : | stop_comp_timer(); | ||
475 : | |||
476 : | if ((pEnc->mbParam.global_flags & XVID_LUMIMASKING) > 0) { | ||
477 : | if(pMB->dquant != NO_CHANGE) { | ||
478 : | pMB->mode = MODE_INTER_Q; | ||
479 : | pEnc->mbParam.quant += DQtab[pMB->dquant]; | ||
480 : | if (pEnc->mbParam.quant > 31) pEnc->mbParam.quant = 31; | ||
481 : | else if(pEnc->mbParam.quant < 1) pEnc->mbParam.quant = 1; | ||
482 : | } | ||
483 : | } | ||
484 : | pMB->quant = pEnc->mbParam.quant; | ||
485 : | |||
486 : | pMB->cbp = MBTransQuantInter(&pEnc->mbParam, x, y, dct_codes, qcoeff, pCurrent); | ||
487 : | } | ||
488 : | else | ||
489 : | { | ||
490 : | CodeIntraMB(pEnc, pMB); | ||
491 : | MBTransQuantIntra(&pEnc->mbParam, x, y, dct_codes, qcoeff, pCurrent); | ||
492 : | } | ||
493 : | |||
494 : | start_timer(); | ||
495 : | MBPrediction(&pEnc->mbParam, x, y, pEnc->mbParam.mb_width, qcoeff, pEnc->pMBs); | ||
496 : | stop_prediction_timer(); | ||
497 : | |||
498 : | if (pMB->mode == MODE_INTRA || pMB->mode == MODE_INTRA_Q) | ||
499 : | { | ||
500 : | pEnc->sStat.kblks++; | ||
501 : | } | ||
502 : | else if (pMB->cbp || | ||
503 : | pMB->mvs[0].x || pMB->mvs[0].y || | ||
504 : | pMB->mvs[1].x || pMB->mvs[1].y || | ||
505 : | pMB->mvs[2].x || pMB->mvs[2].y || | ||
506 : | pMB->mvs[3].x || pMB->mvs[3].y) | ||
507 : | { | ||
508 : | pEnc->sStat.mblks++; | ||
509 : | } | ||
510 : | else | ||
511 : | { | ||
512 : | pEnc->sStat.ublks++; | ||
513 : | } | ||
514 : | |||
515 : | start_timer(); | ||
516 : | MBCoding(&pEnc->mbParam, pMB, qcoeff, bs, &pEnc->sStat); | ||
517 : | stop_coding_timer(); | ||
518 : | } | ||
519 : | } | ||
520 : | |||
521 : | emms(); | ||
522 : | |||
523 : | if (pEnc->sStat.iMvCount == 0) | ||
524 : | pEnc->sStat.iMvCount = 1; | ||
525 : | |||
526 : | fSigma = (float)sqrt((float) pEnc->sStat.iMvSum / pEnc->sStat.iMvCount); | ||
527 : | |||
528 : | iSearchRange = 1 << (3 + pEnc->mbParam.fixed_code); | ||
529 : | |||
530 : | if ((fSigma > iSearchRange / 3) | ||
531 : | && (pEnc->mbParam.fixed_code <= 3)) // maximum search range 128 | ||
532 : | { | ||
533 : | pEnc->mbParam.fixed_code++; | ||
534 : | iSearchRange *= 2; | ||
535 : | } | ||
536 : | else if ((fSigma < iSearchRange / 6) | ||
537 : | && (pEnc->sStat.fMvPrevSigma >= 0) | ||
538 : | && (pEnc->sStat.fMvPrevSigma < iSearchRange / 6) | ||
539 : | && (pEnc->mbParam.fixed_code >= 2)) // minimum search range 16 | ||
540 : | { | ||
541 : | pEnc->mbParam.fixed_code--; | ||
542 : | iSearchRange /= 2; | ||
543 : | } | ||
544 : | |||
545 : | pEnc->sStat.fMvPrevSigma = fSigma; | ||
546 : | |||
547 : | *pBits = BitstreamPos(bs) - *pBits; | ||
548 : | |||
549 : | return 0; // inter | ||
550 : | } |
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