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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 : | Isibaar | 4 | #include "quant/quant_matrix.h" |
19 : | Isibaar | 41 | #include "utils/mem_align.h" |
20 : | Isibaar | 3 | |
21 : | #define ENC_CHECK(X) if(!(X)) return XVID_ERR_FORMAT | ||
22 : | |||
23 : | |||
24 : | static int FrameCodeI(Encoder * pEnc, Bitstream * bs, uint32_t *pBits); | ||
25 : | static int FrameCodeP(Encoder * pEnc, Bitstream * bs, uint32_t *pBits, bool force_inter, bool vol_header); | ||
26 : | |||
27 : | static int DQtab[4] = | ||
28 : | { | ||
29 : | -1, -2, 1, 2 | ||
30 : | }; | ||
31 : | |||
32 : | static int iDQtab[5] = | ||
33 : | { | ||
34 : | 1, 0, NO_CHANGE, 2, 3 | ||
35 : | }; | ||
36 : | |||
37 : | |||
38 : | int encoder_create(XVID_ENC_PARAM * pParam) | ||
39 : | { | ||
40 : | edgomez | 13 | Encoder *pEnc; |
41 : | Isibaar | 3 | uint32_t i; |
42 : | |||
43 : | edgomez | 13 | pParam->handle = NULL; |
44 : | Isibaar | 3 | |
45 : | edgomez | 13 | ENC_CHECK(pParam); |
46 : | Isibaar | 3 | |
47 : | edgomez | 13 | ENC_CHECK(pParam->width > 0 && pParam->width <= 1920); |
48 : | ENC_CHECK(pParam->height > 0 && pParam->height <= 1280); | ||
49 : | ENC_CHECK(!(pParam->width % 2)); | ||
50 : | ENC_CHECK(!(pParam->height % 2)); | ||
51 : | Isibaar | 3 | |
52 : | if (pParam->fincr <= 0 || pParam->fbase <= 0) | ||
53 : | { | ||
54 : | pParam->fincr = 1; | ||
55 : | pParam->fbase = 25; | ||
56 : | } | ||
57 : | |||
58 : | // simplify the "fincr/fbase" fraction | ||
59 : | // (neccessary, since windows supplies us with huge numbers) | ||
60 : | |||
61 : | i = pParam->fincr; | ||
62 : | while (i > 1) | ||
63 : | { | ||
64 : | if (pParam->fincr % i == 0 && pParam->fbase % i == 0) | ||
65 : | { | ||
66 : | pParam->fincr /= i; | ||
67 : | pParam->fbase /= i; | ||
68 : | i = pParam->fincr; | ||
69 : | continue; | ||
70 : | } | ||
71 : | i--; | ||
72 : | } | ||
73 : | |||
74 : | if (pParam->fbase > 65535) | ||
75 : | { | ||
76 : | float div = (float)pParam->fbase / 65535; | ||
77 : | pParam->fbase = (int)(pParam->fbase / div); | ||
78 : | pParam->fincr = (int)(pParam->fincr / div); | ||
79 : | } | ||
80 : | |||
81 : | if (pParam->bitrate <= 0) | ||
82 : | pParam->bitrate = 900000; | ||
83 : | |||
84 : | edgomez | 13 | if (pParam->rc_buffersize <= 0) |
85 : | h | 64 | pParam->rc_buffersize = 16; |
86 : | Isibaar | 3 | |
87 : | edgomez | 13 | if ((pParam->min_quantizer <= 0) || (pParam->min_quantizer > 31)) |
88 : | Isibaar | 3 | pParam->min_quantizer = 1; |
89 : | |||
90 : | edgomez | 13 | if ((pParam->max_quantizer <= 0) || (pParam->max_quantizer > 31)) |
91 : | Isibaar | 3 | pParam->max_quantizer = 31; |
92 : | |||
93 : | edgomez | 13 | if (pParam->max_key_interval == 0) /* 1 keyframe each 10 seconds */ |
94 : | Isibaar | 3 | pParam->max_key_interval = 10 * pParam->fincr / pParam->fbase; |
95 : | |||
96 : | edgomez | 13 | if (pParam->max_quantizer < pParam->min_quantizer) |
97 : | Isibaar | 3 | pParam->max_quantizer = pParam->min_quantizer; |
98 : | |||
99 : | canard | 66 | if ((pEnc = (Encoder *) xvid_malloc(sizeof(Encoder), CACHE_LINE)) == NULL) |
100 : | Isibaar | 3 | return XVID_ERR_MEMORY; |
101 : | |||
102 : | /* Fill members of Encoder structure */ | ||
103 : | |||
104 : | edgomez | 13 | pEnc->mbParam.width = pParam->width; |
105 : | pEnc->mbParam.height = pParam->height; | ||
106 : | Isibaar | 3 | |
107 : | pEnc->mbParam.mb_width = (pEnc->mbParam.width + 15) / 16; | ||
108 : | pEnc->mbParam.mb_height = (pEnc->mbParam.height + 15) / 16; | ||
109 : | |||
110 : | pEnc->mbParam.edged_width = 16 * pEnc->mbParam.mb_width + 2 * EDGE_SIZE; | ||
111 : | pEnc->mbParam.edged_height = 16 * pEnc->mbParam.mb_height + 2 * EDGE_SIZE; | ||
112 : | |||
113 : | edgomez | 13 | pEnc->sStat.fMvPrevSigma = -1; |
114 : | Isibaar | 3 | |
115 : | /* Fill rate control parameters */ | ||
116 : | |||
117 : | edgomez | 13 | pEnc->mbParam.quant = 4; |
118 : | Isibaar | 3 | |
119 : | pEnc->bitrate = pParam->bitrate; | ||
120 : | |||
121 : | edgomez | 13 | pEnc->iFrameNum = 0; |
122 : | pEnc->iMaxKeyInterval = pParam->max_key_interval; | ||
123 : | Isibaar | 3 | |
124 : | edgomez | 13 | if (image_create(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) |
125 : | { | ||
126 : | Isibaar | 41 | xvid_free(pEnc); |
127 : | Isibaar | 3 | return XVID_ERR_MEMORY; |
128 : | edgomez | 13 | } |
129 : | Isibaar | 3 | |
130 : | if (image_create(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) | ||
131 : | edgomez | 13 | { |
132 : | Isibaar | 3 | image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); |
133 : | Isibaar | 41 | xvid_free(pEnc); |
134 : | Isibaar | 3 | return XVID_ERR_MEMORY; |
135 : | edgomez | 13 | } |
136 : | Isibaar | 3 | |
137 : | edgomez | 13 | if (image_create(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) |
138 : | { | ||
139 : | Isibaar | 3 | image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); |
140 : | image_destroy(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
141 : | Isibaar | 41 | xvid_free(pEnc); |
142 : | Isibaar | 3 | return XVID_ERR_MEMORY; |
143 : | edgomez | 13 | } |
144 : | Isibaar | 3 | |
145 : | edgomez | 13 | if (image_create(&pEnc->vInterV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) |
146 : | { | ||
147 : | Isibaar | 3 | image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); |
148 : | image_destroy(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
149 : | image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
150 : | Isibaar | 41 | xvid_free(pEnc); |
151 : | Isibaar | 3 | return XVID_ERR_MEMORY; |
152 : | edgomez | 13 | } |
153 : | Isibaar | 3 | |
154 : | edgomez | 13 | if (image_create(&pEnc->vInterHV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height) < 0) |
155 : | { | ||
156 : | Isibaar | 3 | image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); |
157 : | image_destroy(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
158 : | image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
159 : | image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
160 : | Isibaar | 41 | xvid_free(pEnc); |
161 : | Isibaar | 3 | return XVID_ERR_MEMORY; |
162 : | edgomez | 13 | } |
163 : | Isibaar | 3 | |
164 : | canard | 66 | pEnc->pMBs = xvid_malloc(sizeof(MACROBLOCK) * pEnc->mbParam.mb_width * pEnc->mbParam.mb_height, CACHE_LINE); |
165 : | Isibaar | 3 | if (pEnc->pMBs == NULL) |
166 : | { | ||
167 : | image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
168 : | image_destroy(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
169 : | image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
170 : | image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
171 : | image_destroy(&pEnc->vInterHV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
172 : | Isibaar | 41 | xvid_free(pEnc); |
173 : | Isibaar | 3 | return XVID_ERR_MEMORY; |
174 : | } | ||
175 : | |||
176 : | // init macroblock array | ||
177 : | for (i = 0; i < pEnc->mbParam.mb_width * pEnc->mbParam.mb_height; i++) | ||
178 : | { | ||
179 : | pEnc->pMBs[i].dquant = NO_CHANGE; | ||
180 : | } | ||
181 : | |||
182 : | edgomez | 13 | pParam->handle = (void *)pEnc; |
183 : | Isibaar | 3 | |
184 : | if (pParam->bitrate) | ||
185 : | { | ||
186 : | h | 64 | RateControlInit(pParam->bitrate, pParam->rc_buffersize, pParam->fbase * 100 / pParam->fincr, |
187 : | pParam->max_quantizer, pParam->min_quantizer); | ||
188 : | Isibaar | 3 | } |
189 : | |||
190 : | create_vlc_tables(); | ||
191 : | Isibaar | 36 | init_timer(); |
192 : | Isibaar | 3 | |
193 : | return XVID_ERR_OK; | ||
194 : | } | ||
195 : | |||
196 : | |||
197 : | int encoder_destroy(Encoder * pEnc) | ||
198 : | { | ||
199 : | edgomez | 13 | ENC_CHECK(pEnc); |
200 : | ENC_CHECK(pEnc->sCurrent.y); | ||
201 : | ENC_CHECK(pEnc->sReference.y); | ||
202 : | Isibaar | 3 | |
203 : | Isibaar | 41 | xvid_free(pEnc->pMBs); |
204 : | edgomez | 13 | image_destroy(&pEnc->sCurrent, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); |
205 : | image_destroy(&pEnc->sReference, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
206 : | image_destroy(&pEnc->vInterH, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
207 : | image_destroy(&pEnc->vInterV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
208 : | image_destroy(&pEnc->vInterHV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height); | ||
209 : | Isibaar | 41 | xvid_free(pEnc); |
210 : | Isibaar | 3 | |
211 : | destroy_vlc_tables(); | ||
212 : | |||
213 : | edgomez | 13 | return XVID_ERR_OK; |
214 : | Isibaar | 3 | } |
215 : | |||
216 : | int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult) | ||
217 : | { | ||
218 : | edgomez | 13 | uint16_t x, y; |
219 : | Bitstream bs; | ||
220 : | uint32_t bits; | ||
221 : | Isibaar | 4 | uint16_t write_vol_header = 0; |
222 : | Isibaar | 3 | |
223 : | start_global_timer(); | ||
224 : | |||
225 : | edgomez | 13 | ENC_CHECK(pEnc); |
226 : | ENC_CHECK(pFrame); | ||
227 : | ENC_CHECK(pFrame->bitstream); | ||
228 : | ENC_CHECK(pFrame->image); | ||
229 : | Isibaar | 3 | |
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 : | edgomez | 13 | pFrame->image, pFrame->colorspace)) |
236 : | Isibaar | 3 | { |
237 : | return XVID_ERR_FORMAT; | ||
238 : | } | ||
239 : | stop_conv_timer(); | ||
240 : | |||
241 : | Isibaar | 41 | EMMS(); |
242 : | |||
243 : | edgomez | 13 | BitstreamInit(&bs, pFrame->bitstream, 0); |
244 : | Isibaar | 3 | |
245 : | if (pFrame->quant == 0) | ||
246 : | { | ||
247 : | pEnc->mbParam.quant = RateControlGetQ(0); | ||
248 : | } | ||
249 : | else | ||
250 : | { | ||
251 : | pEnc->mbParam.quant = pFrame->quant; | ||
252 : | } | ||
253 : | |||
254 : | if ((pEnc->mbParam.global_flags & XVID_LUMIMASKING) > 0) | ||
255 : | { | ||
256 : | canard | 66 | int * temp_dquants = (int *) xvid_malloc(pEnc->mbParam.mb_width * pEnc->mbParam.mb_height * sizeof(int), CACHE_LINE); |
257 : | Isibaar | 3 | |
258 : | pEnc->mbParam.quant = adaptive_quantization(pEnc->sCurrent.y, pEnc->mbParam.width, | ||
259 : | edgomez | 13 | temp_dquants, pFrame->quant, pFrame->quant, |
260 : | 2*pFrame->quant, pEnc->mbParam.mb_width, pEnc->mbParam.mb_height); | ||
261 : | Isibaar | 3 | |
262 : | for (y = 0; y < pEnc->mbParam.mb_height; y++) | ||
263 : | for (x = 0; x < pEnc->mbParam.mb_width; x++) | ||
264 : | { | ||
265 : | MACROBLOCK *pMB = &pEnc->pMBs[x + y * pEnc->mbParam.mb_width]; | ||
266 : | pMB->dquant = iDQtab[(temp_dquants[y * pEnc->mbParam.mb_width + x] + 2)]; | ||
267 : | } | ||
268 : | Isibaar | 41 | xvid_free(temp_dquants); |
269 : | Isibaar | 3 | } |
270 : | |||
271 : | Isibaar | 20 | if(pEnc->mbParam.global_flags & XVID_H263QUANT) { |
272 : | if(pEnc->mbParam.quant_type != H263_QUANT) | ||
273 : | write_vol_header = 1; | ||
274 : | pEnc->mbParam.quant_type = H263_QUANT; | ||
275 : | Isibaar | 3 | } |
276 : | Isibaar | 20 | else if(pEnc->mbParam.global_flags & XVID_MPEGQUANT) { |
277 : | int ret1, ret2; | ||
278 : | Isibaar | 3 | |
279 : | Isibaar | 20 | if(pEnc->mbParam.quant_type != MPEG4_QUANT) |
280 : | write_vol_header = 1; | ||
281 : | |||
282 : | pEnc->mbParam.quant_type = MPEG4_QUANT; | ||
283 : | |||
284 : | if ((pEnc->mbParam.global_flags & XVID_CUSTOM_QMATRIX) > 0) { | ||
285 : | if(pFrame->quant_intra_matrix != NULL) | ||
286 : | ret1 = set_intra_matrix(pFrame->quant_intra_matrix); | ||
287 : | if(pFrame->quant_inter_matrix != NULL) | ||
288 : | ret2 = set_inter_matrix(pFrame->quant_inter_matrix); | ||
289 : | } | ||
290 : | else { | ||
291 : | ret1 = set_intra_matrix(get_default_intra_matrix()); | ||
292 : | ret2 = set_inter_matrix(get_default_inter_matrix()); | ||
293 : | } | ||
294 : | Isibaar | 4 | if(write_vol_header == 0) |
295 : | write_vol_header = ret1 | ret2; | ||
296 : | } | ||
297 : | Isibaar | 3 | |
298 : | if (pFrame->intra < 0) | ||
299 : | edgomez | 13 | { |
300 : | Isibaar | 3 | if ((pEnc->iFrameNum == 0) || ((pEnc->iMaxKeyInterval > 0) |
301 : | edgomez | 13 | && (pEnc->iFrameNum >= pEnc->iMaxKeyInterval))) |
302 : | Isibaar | 3 | |
303 : | pFrame->intra = FrameCodeI(pEnc, &bs, &bits); | ||
304 : | else | ||
305 : | Isibaar | 4 | pFrame->intra = FrameCodeP(pEnc, &bs, &bits, 0, write_vol_header); |
306 : | edgomez | 13 | } |
307 : | else | ||
308 : | { | ||
309 : | Isibaar | 3 | if (pFrame->intra == 1) |
310 : | edgomez | 13 | pFrame->intra = FrameCodeI(pEnc, &bs, &bits); |
311 : | Isibaar | 3 | else |
312 : | Isibaar | 4 | pFrame->intra = FrameCodeP(pEnc, &bs, &bits, 1, write_vol_header); |
313 : | edgomez | 13 | } |
314 : | Isibaar | 3 | |
315 : | BitstreamPutBits(&bs, 0xFFFF, 16); | ||
316 : | edgomez | 13 | BitstreamPutBits(&bs, 0xFFFF, 16); |
317 : | BitstreamPad(&bs); | ||
318 : | pFrame->length = BitstreamLength(&bs); | ||
319 : | h | 29 | |
320 : | Isibaar | 3 | if (pResult) |
321 : | edgomez | 13 | { |
322 : | Isibaar | 3 | pResult->quant = pEnc->mbParam.quant; |
323 : | pResult->hlength = pFrame->length - (pEnc->sStat.iTextBits / 8); | ||
324 : | pResult->kblks = pEnc->sStat.kblks; | ||
325 : | pResult->mblks = pEnc->sStat.mblks; | ||
326 : | pResult->ublks = pEnc->sStat.ublks; | ||
327 : | edgomez | 13 | } |
328 : | Isibaar | 3 | |
329 : | Isibaar | 41 | EMMS(); |
330 : | |||
331 : | h | 29 | if (pFrame->quant == 0) |
332 : | Isibaar | 3 | { |
333 : | RateControlUpdate(pEnc->mbParam.quant, pFrame->length, pFrame->intra); | ||
334 : | } | ||
335 : | |||
336 : | pEnc->iFrameNum++; | ||
337 : | edgomez | 13 | image_swap(&pEnc->sCurrent, &pEnc->sReference); |
338 : | Isibaar | 3 | |
339 : | stop_global_timer(); | ||
340 : | write_timer(); | ||
341 : | |||
342 : | return XVID_ERR_OK; | ||
343 : | } | ||
344 : | |||
345 : | |||
346 : | static __inline void CodeIntraMB(Encoder *pEnc, MACROBLOCK *pMB) { | ||
347 : | |||
348 : | pMB->mode = MODE_INTRA; | ||
349 : | |||
350 : | if ((pEnc->mbParam.global_flags & XVID_LUMIMASKING) > 0) { | ||
351 : | if(pMB->dquant != NO_CHANGE) | ||
352 : | { | ||
353 : | pMB->mode = MODE_INTRA_Q; | ||
354 : | pEnc->mbParam.quant += DQtab[pMB->dquant]; | ||
355 : | |||
356 : | if (pEnc->mbParam.quant > 31) pEnc->mbParam.quant = 31; | ||
357 : | if (pEnc->mbParam.quant < 1) pEnc->mbParam.quant = 1; | ||
358 : | } | ||
359 : | } | ||
360 : | |||
361 : | pMB->quant = pEnc->mbParam.quant; | ||
362 : | } | ||
363 : | |||
364 : | |||
365 : | static int FrameCodeI(Encoder * pEnc, Bitstream * bs, uint32_t *pBits) | ||
366 : | { | ||
367 : | Isibaar | 42 | CACHE_ALIGN int16_t dct_codes[6][64]; |
368 : | CACHE_ALIGN int16_t qcoeff[6][64]; | ||
369 : | edgomez | 13 | uint16_t x, y; |
370 : | Isibaar | 3 | |
371 : | edgomez | 13 | pEnc->iFrameNum = 0; |
372 : | pEnc->mbParam.rounding_type = 1; | ||
373 : | pEnc->mbParam.coding_type = I_VOP; | ||
374 : | Isibaar | 3 | |
375 : | BitstreamWriteVolHeader(bs, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.quant_type); | ||
376 : | BitstreamWriteVopHeader(bs, I_VOP, pEnc->mbParam.rounding_type, | ||
377 : | edgomez | 13 | pEnc->mbParam.quant, |
378 : | pEnc->mbParam.fixed_code); | ||
379 : | Isibaar | 3 | |
380 : | edgomez | 13 | *pBits = BitstreamPos(bs); |
381 : | Isibaar | 3 | |
382 : | pEnc->sStat.iTextBits = 0; | ||
383 : | pEnc->sStat.kblks = pEnc->mbParam.mb_width * pEnc->mbParam.mb_height; | ||
384 : | pEnc->sStat.mblks = pEnc->sStat.ublks = 0; | ||
385 : | |||
386 : | edgomez | 13 | for (y = 0; y < pEnc->mbParam.mb_height; y++) |
387 : | Isibaar | 3 | for (x = 0; x < pEnc->mbParam.mb_width; x++) |
388 : | { | ||
389 : | edgomez | 13 | MACROBLOCK *pMB = &pEnc->pMBs[x + y * pEnc->mbParam.mb_width]; |
390 : | Isibaar | 3 | |
391 : | CodeIntraMB(pEnc, pMB); | ||
392 : | |||
393 : | edgomez | 13 | MBTransQuantIntra(&pEnc->mbParam, x, y, dct_codes, qcoeff, &pEnc->sCurrent); |
394 : | Isibaar | 3 | |
395 : | start_timer(); | ||
396 : | MBPrediction(&pEnc->mbParam, x, y, pEnc->mbParam.mb_width, qcoeff, pEnc->pMBs); | ||
397 : | stop_prediction_timer(); | ||
398 : | |||
399 : | start_timer(); | ||
400 : | MBCoding(&pEnc->mbParam, pMB, qcoeff, bs, &pEnc->sStat); | ||
401 : | stop_coding_timer(); | ||
402 : | } | ||
403 : | |||
404 : | emms(); | ||
405 : | |||
406 : | edgomez | 13 | *pBits = BitstreamPos(bs) - *pBits; |
407 : | pEnc->sStat.fMvPrevSigma = -1; | ||
408 : | pEnc->sStat.iMvSum = 0; | ||
409 : | pEnc->sStat.iMvCount = 0; | ||
410 : | pEnc->mbParam.fixed_code = 2; | ||
411 : | Isibaar | 3 | |
412 : | edgomez | 13 | return 1; // intra |
413 : | Isibaar | 3 | } |
414 : | |||
415 : | |||
416 : | #define INTRA_THRESHOLD 0.5 | ||
417 : | |||
418 : | static int FrameCodeP(Encoder * pEnc, Bitstream * bs, uint32_t *pBits, bool force_inter, bool vol_header) | ||
419 : | { | ||
420 : | edgomez | 13 | float fSigma; |
421 : | Isibaar | 42 | |
422 : | CACHE_ALIGN int16_t dct_codes[6][64]; | ||
423 : | CACHE_ALIGN int16_t qcoeff[6][64]; | ||
424 : | |||
425 : | Isibaar | 3 | int iLimit; |
426 : | edgomez | 13 | uint32_t x, y; |
427 : | int iSearchRange; | ||
428 : | Isibaar | 3 | bool bIntra; |
429 : | |||
430 : | edgomez | 13 | IMAGE *pCurrent = &pEnc->sCurrent; |
431 : | IMAGE *pRef = &pEnc->sReference; | ||
432 : | Isibaar | 3 | |
433 : | image_setedges(pRef,pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, pEnc->mbParam.width, pEnc->mbParam.height); | ||
434 : | |||
435 : | edgomez | 13 | pEnc->mbParam.rounding_type = 1 - pEnc->mbParam.rounding_type; |
436 : | Isibaar | 3 | |
437 : | if (!force_inter) | ||
438 : | iLimit = (int)(pEnc->mbParam.mb_width * pEnc->mbParam.mb_height * INTRA_THRESHOLD); | ||
439 : | edgomez | 13 | else |
440 : | Isibaar | 3 | iLimit = pEnc->mbParam.mb_width * pEnc->mbParam.mb_height + 1; |
441 : | |||
442 : | if ((pEnc->mbParam.global_flags & XVID_HALFPEL) > 0) { | ||
443 : | start_timer(); | ||
444 : | image_interpolate(pRef, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV, | ||
445 : | edgomez | 13 | pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, |
446 : | pEnc->mbParam.rounding_type); | ||
447 : | Isibaar | 3 | stop_inter_timer(); |
448 : | } | ||
449 : | |||
450 : | start_timer(); | ||
451 : | bIntra = MotionEstimation(pEnc->pMBs, &pEnc->mbParam, &pEnc->sReference, | ||
452 : | edgomez | 13 | &pEnc->vInterH, &pEnc->vInterV, |
453 : | &pEnc->vInterHV, &pEnc->sCurrent, iLimit); | ||
454 : | Isibaar | 3 | stop_motion_timer(); |
455 : | |||
456 : | if (bIntra == 1) | ||
457 : | return FrameCodeI(pEnc, bs, pBits); | ||
458 : | |||
459 : | edgomez | 13 | pEnc->mbParam.coding_type = P_VOP; |
460 : | Isibaar | 3 | |
461 : | if(vol_header) | ||
462 : | BitstreamWriteVolHeader(bs, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.quant_type); | ||
463 : | |||
464 : | edgomez | 13 | BitstreamWriteVopHeader(bs, P_VOP, pEnc->mbParam.rounding_type, |
465 : | pEnc->mbParam.quant, | ||
466 : | pEnc->mbParam.fixed_code); | ||
467 : | Isibaar | 3 | |
468 : | edgomez | 13 | *pBits = BitstreamPos(bs); |
469 : | Isibaar | 3 | |
470 : | edgomez | 13 | pEnc->sStat.iTextBits = 0; |
471 : | pEnc->sStat.iMvSum = 0; | ||
472 : | pEnc->sStat.iMvCount = 0; | ||
473 : | Isibaar | 3 | pEnc->sStat.kblks = pEnc->sStat.mblks = pEnc->sStat.ublks = 0; |
474 : | |||
475 : | edgomez | 13 | for(y = 0; y < pEnc->mbParam.mb_height; y++) |
476 : | Isibaar | 3 | { |
477 : | for(x = 0; x < pEnc->mbParam.mb_width; x++) | ||
478 : | { | ||
479 : | MACROBLOCK * pMB = &pEnc->pMBs[x + y * pEnc->mbParam.mb_width]; | ||
480 : | |||
481 : | edgomez | 13 | bIntra = (pMB->mode == MODE_INTRA) || (pMB->mode == MODE_INTRA_Q); |
482 : | Isibaar | 3 | |
483 : | if (!bIntra) | ||
484 : | edgomez | 13 | { |
485 : | Isibaar | 3 | start_timer(); |
486 : | MBMotionCompensation(pMB, x, y, &pEnc->sReference, | ||
487 : | edgomez | 13 | &pEnc->vInterH, &pEnc->vInterV, |
488 : | &pEnc->vInterHV, &pEnc->sCurrent, dct_codes, | ||
489 : | pEnc->mbParam.width, | ||
490 : | pEnc->mbParam.height, | ||
491 : | pEnc->mbParam.edged_width, | ||
492 : | pEnc->mbParam.rounding_type); | ||
493 : | Isibaar | 3 | stop_comp_timer(); |
494 : | |||
495 : | if ((pEnc->mbParam.global_flags & XVID_LUMIMASKING) > 0) { | ||
496 : | if(pMB->dquant != NO_CHANGE) { | ||
497 : | pMB->mode = MODE_INTER_Q; | ||
498 : | pEnc->mbParam.quant += DQtab[pMB->dquant]; | ||
499 : | if (pEnc->mbParam.quant > 31) pEnc->mbParam.quant = 31; | ||
500 : | else if(pEnc->mbParam.quant < 1) pEnc->mbParam.quant = 1; | ||
501 : | } | ||
502 : | } | ||
503 : | pMB->quant = pEnc->mbParam.quant; | ||
504 : | |||
505 : | pMB->cbp = MBTransQuantInter(&pEnc->mbParam, x, y, dct_codes, qcoeff, pCurrent); | ||
506 : | edgomez | 13 | } |
507 : | Isibaar | 3 | else |
508 : | { | ||
509 : | CodeIntraMB(pEnc, pMB); | ||
510 : | MBTransQuantIntra(&pEnc->mbParam, x, y, dct_codes, qcoeff, pCurrent); | ||
511 : | } | ||
512 : | |||
513 : | edgomez | 13 | start_timer(); |
514 : | Isibaar | 3 | MBPrediction(&pEnc->mbParam, x, y, pEnc->mbParam.mb_width, qcoeff, pEnc->pMBs); |
515 : | stop_prediction_timer(); | ||
516 : | |||
517 : | if (pMB->mode == MODE_INTRA || pMB->mode == MODE_INTRA_Q) | ||
518 : | { | ||
519 : | pEnc->sStat.kblks++; | ||
520 : | } | ||
521 : | else if (pMB->cbp || | ||
522 : | edgomez | 13 | pMB->mvs[0].x || pMB->mvs[0].y || |
523 : | pMB->mvs[1].x || pMB->mvs[1].y || | ||
524 : | pMB->mvs[2].x || pMB->mvs[2].y || | ||
525 : | pMB->mvs[3].x || pMB->mvs[3].y) | ||
526 : | Isibaar | 3 | { |
527 : | pEnc->sStat.mblks++; | ||
528 : | } | ||
529 : | else | ||
530 : | { | ||
531 : | pEnc->sStat.ublks++; | ||
532 : | } | ||
533 : | |||
534 : | start_timer(); | ||
535 : | MBCoding(&pEnc->mbParam, pMB, qcoeff, bs, &pEnc->sStat); | ||
536 : | stop_coding_timer(); | ||
537 : | } | ||
538 : | } | ||
539 : | |||
540 : | emms(); | ||
541 : | |||
542 : | if (pEnc->sStat.iMvCount == 0) | ||
543 : | pEnc->sStat.iMvCount = 1; | ||
544 : | |||
545 : | edgomez | 13 | fSigma = (float)sqrt((float) pEnc->sStat.iMvSum / pEnc->sStat.iMvCount); |
546 : | Isibaar | 3 | |
547 : | edgomez | 13 | iSearchRange = 1 << (3 + pEnc->mbParam.fixed_code); |
548 : | Isibaar | 3 | |
549 : | edgomez | 13 | if ((fSigma > iSearchRange / 3) |
550 : | && (pEnc->mbParam.fixed_code <= 3)) // maximum search range 128 | ||
551 : | { | ||
552 : | Isibaar | 3 | pEnc->mbParam.fixed_code++; |
553 : | iSearchRange *= 2; | ||
554 : | edgomez | 13 | } |
555 : | else if ((fSigma < iSearchRange / 6) | ||
556 : | && (pEnc->sStat.fMvPrevSigma >= 0) | ||
557 : | && (pEnc->sStat.fMvPrevSigma < iSearchRange / 6) | ||
558 : | && (pEnc->mbParam.fixed_code >= 2)) // minimum search range 16 | ||
559 : | { | ||
560 : | Isibaar | 3 | pEnc->mbParam.fixed_code--; |
561 : | iSearchRange /= 2; | ||
562 : | edgomez | 13 | } |
563 : | Isibaar | 3 | |
564 : | edgomez | 13 | pEnc->sStat.fMvPrevSigma = fSigma; |
565 : | Isibaar | 3 | |
566 : | *pBits = BitstreamPos(bs) - *pBits; | ||
567 : | |||
568 : | edgomez | 13 | return 0; // inter |
569 : | Isibaar | 3 | } |
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