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1 : | edgomez | 965 | /***************************************************************************** |
2 : | * | ||
3 : | * XVID MPEG-4 VIDEO CODEC | ||
4 : | * - MB Transfert/Quantization functions - | ||
5 : | * | ||
6 : | * Copyright(C) 2001-2003 Peter Ross <pross@xvid.org> | ||
7 : | * 2001-2003 Michael Militzer <isibaar@xvid.org> | ||
8 : | * 2003 Edouard Gomez <ed.gomez@free.fr> | ||
9 : | * | ||
10 : | * This program is free software ; you can redistribute it and/or modify | ||
11 : | * it under the terms of the GNU General Public License as published by | ||
12 : | * the Free Software Foundation ; either version 2 of the License, or | ||
13 : | * (at your option) any later version. | ||
14 : | * | ||
15 : | * This program is distributed in the hope that it will be useful, | ||
16 : | * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
17 : | * 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 : | * along with this program ; if not, write to the Free Software | ||
22 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
23 : | * | ||
24 : | * $Id: mbtransquant.c,v 1.21.2.6 2003-03-30 13:16:41 edgomez Exp $ | ||
25 : | * | ||
26 : | ****************************************************************************/ | ||
27 : | Isibaar | 3 | |
28 : | edgomez | 78 | #include <string.h> |
29 : | |||
30 : | Isibaar | 3 | #include "../portab.h" |
31 : | #include "mbfunctions.h" | ||
32 : | |||
33 : | #include "../global.h" | ||
34 : | #include "mem_transfer.h" | ||
35 : | #include "timer.h" | ||
36 : | #include "../dct/fdct.h" | ||
37 : | #include "../dct/idct.h" | ||
38 : | #include "../quant/quant_mpeg4.h" | ||
39 : | #include "../quant/quant_h263.h" | ||
40 : | #include "../encoder.h" | ||
41 : | |||
42 : | edgomez | 851 | #include "../image/reduced.h" |
43 : | Isibaar | 3 | |
44 : | edgomez | 851 | MBFIELDTEST_PTR MBFieldTest; |
45 : | Isibaar | 3 | |
46 : | edgomez | 965 | /* |
47 : | * Skip blocks having a coefficient sum below this value. This value will be | ||
48 : | * corrected according to the MB quantizer to avoid artifacts for quant==1 | ||
49 : | */ | ||
50 : | #define PVOP_TOOSMALL_LIMIT 1 | ||
51 : | #define BVOP_TOOSMALL_LIMIT 3 | ||
52 : | Isibaar | 3 | |
53 : | edgomez | 965 | /***************************************************************************** |
54 : | * Local functions | ||
55 : | ****************************************************************************/ | ||
56 : | |||
57 : | /* permute block and return field dct choice */ | ||
58 : | static __inline uint32_t | ||
59 : | MBDecideFieldDCT(int16_t data[6 * 64]) | ||
60 : | Isibaar | 3 | { |
61 : | edgomez | 965 | uint32_t field = MBFieldTest(data); |
62 : | edgomez | 78 | |
63 : | edgomez | 965 | if (field) |
64 : | MBFrameToField(data); | ||
65 : | Isibaar | 3 | |
66 : | edgomez | 965 | return field; |
67 : | } | ||
68 : | h | 69 | |
69 : | edgomez | 965 | /* Performs Forward DCT on all blocks */ |
70 : | static __inline void | ||
71 : | MBfDCT(const MBParam * pParam, | ||
72 : | FRAMEINFO * frame, | ||
73 : | MACROBLOCK * pMB, | ||
74 : | uint32_t x_pos, | ||
75 : | uint32_t y_pos, | ||
76 : | int16_t data[6 * 64]) | ||
77 : | { | ||
78 : | /* Handles interlacing */ | ||
79 : | h | 69 | start_timer(); |
80 : | pMB->field_dct = 0; | ||
81 : | edgomez | 949 | if ((frame->vol_flags & XVID_VOL_INTERLACING) && |
82 : | h | 390 | (x_pos>0) && (x_pos<pParam->mb_width-1) && |
83 : | (y_pos>0) && (y_pos<pParam->mb_height-1)) { | ||
84 : | h | 69 | pMB->field_dct = MBDecideFieldDCT(data); |
85 : | } | ||
86 : | stop_interlacing_timer(); | ||
87 : | |||
88 : | edgomez | 965 | /* Perform DCT */ |
89 : | start_timer(); | ||
90 : | fdct(&data[0 * 64]); | ||
91 : | fdct(&data[1 * 64]); | ||
92 : | fdct(&data[2 * 64]); | ||
93 : | fdct(&data[3 * 64]); | ||
94 : | fdct(&data[4 * 64]); | ||
95 : | fdct(&data[5 * 64]); | ||
96 : | stop_dct_timer(); | ||
97 : | } | ||
98 : | |||
99 : | /* Performs Inverse DCT on all blocks */ | ||
100 : | static __inline void | ||
101 : | MBiDCT(int16_t data[6 * 64], | ||
102 : | const uint8_t cbp) | ||
103 : | { | ||
104 : | start_timer(); | ||
105 : | if(cbp & (1 << (5 - 0))) idct(&data[0 * 64]); | ||
106 : | if(cbp & (1 << (5 - 1))) idct(&data[1 * 64]); | ||
107 : | if(cbp & (1 << (5 - 2))) idct(&data[2 * 64]); | ||
108 : | if(cbp & (1 << (5 - 3))) idct(&data[3 * 64]); | ||
109 : | if(cbp & (1 << (5 - 4))) idct(&data[4 * 64]); | ||
110 : | if(cbp & (1 << (5 - 5))) idct(&data[5 * 64]); | ||
111 : | stop_idct_timer(); | ||
112 : | } | ||
113 : | |||
114 : | /* Quantize all blocks -- Intra mode */ | ||
115 : | static __inline void | ||
116 : | MBQuantIntra(const MBParam * pParam, | ||
117 : | const MACROBLOCK * pMB, | ||
118 : | int16_t qcoeff[6 * 64], | ||
119 : | int16_t data[6*64]) | ||
120 : | { | ||
121 : | int i; | ||
122 : | |||
123 : | edgomez | 195 | for (i = 0; i < 6; i++) { |
124 : | edgomez | 965 | uint32_t iDcScaler = get_dc_scaler(pMB->quant, i < 4); |
125 : | |||
126 : | /* Quantize the block */ | ||
127 : | start_timer(); | ||
128 : | if (!(pParam->vol_flags & XVID_VOL_MPEGQUANT)) | ||
129 : | quant_intra(&data[i * 64], &qcoeff[i * 64], pMB->quant, iDcScaler); | ||
130 : | else | ||
131 : | quant4_intra(&data[i * 64], &qcoeff[i * 64], pMB->quant, iDcScaler); | ||
132 : | stop_quant_timer(); | ||
133 : | } | ||
134 : | } | ||
135 : | |||
136 : | /* DeQuantize all blocks -- Intra mode */ | ||
137 : | static __inline void | ||
138 : | MBDeQuantIntra(const MBParam * pParam, | ||
139 : | const int iQuant, | ||
140 : | int16_t qcoeff[6 * 64], | ||
141 : | int16_t data[6*64]) | ||
142 : | { | ||
143 : | int i; | ||
144 : | |||
145 : | for (i = 0; i < 6; i++) { | ||
146 : | Isibaar | 3 | uint32_t iDcScaler = get_dc_scaler(iQuant, i < 4); |
147 : | |||
148 : | start_timer(); | ||
149 : | edgomez | 965 | if (!(pParam->vol_flags & XVID_VOL_MPEGQUANT)) |
150 : | dequant_intra(&qcoeff[i * 64], &data[i * 64], iQuant, iDcScaler); | ||
151 : | else | ||
152 : | dequant4_intra(&qcoeff[i * 64], &data[i * 64], iQuant, iDcScaler); | ||
153 : | stop_iquant_timer(); | ||
154 : | } | ||
155 : | } | ||
156 : | Isibaar | 3 | |
157 : | edgomez | 965 | /* Quantize all blocks -- Inter mode */ |
158 : | static __inline uint8_t | ||
159 : | MBQuantInter(const MBParam * pParam, | ||
160 : | const MACROBLOCK * pMB, | ||
161 : | int16_t data[6 * 64], | ||
162 : | int16_t qcoeff[6 * 64], | ||
163 : | int bvop, | ||
164 : | int limit) | ||
165 : | { | ||
166 : | |||
167 : | int i; | ||
168 : | uint8_t cbp = 0; | ||
169 : | int sum; | ||
170 : | int code_block; | ||
171 : | |||
172 : | for (i = 0; i < 6; i++) { | ||
173 : | |||
174 : | /* Quantize the block */ | ||
175 : | start_timer(); | ||
176 : | if (!(pParam->vol_flags & XVID_VOL_MPEGQUANT)) | ||
177 : | sum = quant_inter(&qcoeff[i * 64], &data[i * 64], pMB->quant); | ||
178 : | else | ||
179 : | sum = quant4_inter(&qcoeff[i * 64], &data[i * 64], pMB->quant); | ||
180 : | stop_quant_timer(); | ||
181 : | |||
182 : | /* | ||
183 : | * We code the block if the sum is higher than the limit and if the first | ||
184 : | * two AC coefficients in zig zag order are not zero. | ||
185 : | */ | ||
186 : | code_block = 0; | ||
187 : | if ((sum >= limit) || (qcoeff[i*64+1] != 0) || (qcoeff[i*64+8] != 0)) { | ||
188 : | code_block = 1; | ||
189 : | edgomez | 195 | } else { |
190 : | Isibaar | 3 | |
191 : | edgomez | 965 | if (bvop && (pMB->mode == MODE_DIRECT || pMB->mode == MODE_DIRECT_NO4V)) { |
192 : | /* dark blocks prevention for direct mode */ | ||
193 : | if ((qcoeff[i*64] < -1) || (qcoeff[i*64] > 0)) | ||
194 : | code_block = 1; | ||
195 : | edgomez | 851 | } else { |
196 : | edgomez | 965 | /* not direct mode */ |
197 : | if (qcoeff[i*64] != 0) | ||
198 : | code_block = 1; | ||
199 : | edgomez | 851 | } |
200 : | Isibaar | 3 | } |
201 : | |||
202 : | edgomez | 965 | /* Set the corresponding cbp bit */ |
203 : | cbp |= code_block << (5 - i); | ||
204 : | edgomez | 851 | |
205 : | edgomez | 965 | } |
206 : | edgomez | 851 | |
207 : | edgomez | 965 | return(cbp); |
208 : | } | ||
209 : | Isibaar | 3 | |
210 : | edgomez | 965 | /* DeQuantize all blocks -- Inter mode */ |
211 : | static __inline void | ||
212 : | MBDeQuantInter(const MBParam * pParam, | ||
213 : | const int iQuant, | ||
214 : | int16_t data[6 * 64], | ||
215 : | int16_t qcoeff[6 * 64], | ||
216 : | const uint8_t cbp) | ||
217 : | { | ||
218 : | int i; | ||
219 : | |||
220 : | for (i = 0; i < 6; i++) { | ||
221 : | if (cbp & (1 << (5 - i))) { | ||
222 : | start_timer(); | ||
223 : | if (!(pParam->vol_flags & XVID_VOL_MPEGQUANT)) | ||
224 : | dequant_inter(&data[i * 64], &qcoeff[i * 64], iQuant); | ||
225 : | else | ||
226 : | dequant4_inter(&data[i * 64], &qcoeff[i * 64], iQuant); | ||
227 : | stop_iquant_timer(); | ||
228 : | edgomez | 851 | } |
229 : | h | 69 | } |
230 : | Isibaar | 3 | } |
231 : | |||
232 : | edgomez | 965 | typedef void (transfer_operation_8to16_t) (int16_t *Dst, const uint8_t *Src, int BpS); |
233 : | typedef void (transfer_operation_16to8_t) (uint8_t *Dst, const int16_t *Src, int BpS); | ||
234 : | Isibaar | 3 | |
235 : | edgomez | 78 | |
236 : | edgomez | 965 | static __inline void |
237 : | MBTrans8to16(const MBParam * pParam, | ||
238 : | FRAMEINFO * frame, | ||
239 : | MACROBLOCK * pMB, | ||
240 : | const uint32_t x_pos, | ||
241 : | const uint32_t y_pos, | ||
242 : | int16_t data[6 * 64]) | ||
243 : | { | ||
244 : | h | 82 | uint32_t stride = pParam->edged_width; |
245 : | uint32_t stride2 = stride / 2; | ||
246 : | edgomez | 965 | uint32_t next_block = stride * 8; |
247 : | int32_t cst; | ||
248 : | Isibaar | 3 | uint8_t *pY_Cur, *pU_Cur, *pV_Cur; |
249 : | edgomez | 195 | IMAGE *pCurrent = &frame->image; |
250 : | edgomez | 965 | transfer_operation_8to16_t *transfer_op = NULL; |
251 : | edgomez | 195 | |
252 : | edgomez | 965 | if ((frame->vop_flags & XVID_VOP_REDUCED)) { |
253 : | |||
254 : | /* Image pointers */ | ||
255 : | pY_Cur = pCurrent->y + (y_pos << 5) * stride + (x_pos << 5); | ||
256 : | edgomez | 851 | pU_Cur = pCurrent->u + (y_pos << 4) * stride2 + (x_pos << 4); |
257 : | pV_Cur = pCurrent->v + (y_pos << 4) * stride2 + (x_pos << 4); | ||
258 : | edgomez | 965 | |
259 : | /* Block size */ | ||
260 : | cst = 16; | ||
261 : | |||
262 : | /* Operation function */ | ||
263 : | transfer_op = (transfer_operation_8to16_t*)filter_18x18_to_8x8; | ||
264 : | } else { | ||
265 : | |||
266 : | /* Image pointers */ | ||
267 : | pY_Cur = pCurrent->y + (y_pos << 4) * stride + (x_pos << 4); | ||
268 : | edgomez | 851 | pU_Cur = pCurrent->u + (y_pos << 3) * stride2 + (x_pos << 3); |
269 : | pV_Cur = pCurrent->v + (y_pos << 3) * stride2 + (x_pos << 3); | ||
270 : | edgomez | 965 | |
271 : | /* Block size */ | ||
272 : | cst = 8; | ||
273 : | |||
274 : | /* Operation function */ | ||
275 : | transfer_op = (transfer_operation_8to16_t*)transfer_8to16copy; | ||
276 : | edgomez | 851 | } |
277 : | Isibaar | 3 | |
278 : | edgomez | 965 | /* Do the transfer */ |
279 : | h | 69 | start_timer(); |
280 : | edgomez | 965 | transfer_op(&data[0 * 64], pY_Cur, stride); |
281 : | transfer_op(&data[1 * 64], pY_Cur + cst, stride); | ||
282 : | transfer_op(&data[2 * 64], pY_Cur + next_block, stride); | ||
283 : | transfer_op(&data[3 * 64], pY_Cur + next_block + cst, stride); | ||
284 : | transfer_op(&data[4 * 64], pU_Cur, stride2); | ||
285 : | transfer_op(&data[5 * 64], pV_Cur, stride2); | ||
286 : | stop_transfer_timer(); | ||
287 : | } | ||
288 : | |||
289 : | static __inline void | ||
290 : | MBTrans16to8(const MBParam * pParam, | ||
291 : | FRAMEINFO * frame, | ||
292 : | MACROBLOCK * pMB, | ||
293 : | const uint32_t x_pos, | ||
294 : | const uint32_t y_pos, | ||
295 : | int16_t data[6 * 64], | ||
296 : | const uint32_t add, | ||
297 : | const uint8_t cbp) | ||
298 : | { | ||
299 : | uint8_t *pY_Cur, *pU_Cur, *pV_Cur; | ||
300 : | uint32_t stride = pParam->edged_width; | ||
301 : | uint32_t stride2 = stride / 2; | ||
302 : | uint32_t next_block = stride * 8; | ||
303 : | uint32_t cst; | ||
304 : | IMAGE *pCurrent = &frame->image; | ||
305 : | transfer_operation_16to8_t *transfer_op = NULL; | ||
306 : | |||
307 : | if (pMB->field_dct) { | ||
308 : | next_block = stride; | ||
309 : | stride *= 2; | ||
310 : | h | 69 | } |
311 : | |||
312 : | edgomez | 965 | if ((frame->vop_flags & XVID_VOP_REDUCED)) { |
313 : | edgomez | 851 | |
314 : | edgomez | 965 | /* Image pointers */ |
315 : | pY_Cur = pCurrent->y + (y_pos << 5) * stride + (x_pos << 5); | ||
316 : | pU_Cur = pCurrent->u + (y_pos << 4) * stride2 + (x_pos << 4); | ||
317 : | pV_Cur = pCurrent->v + (y_pos << 4) * stride2 + (x_pos << 4); | ||
318 : | Isibaar | 3 | |
319 : | edgomez | 965 | /* Block size */ |
320 : | cst = 16; | ||
321 : | Isibaar | 3 | |
322 : | edgomez | 965 | /* Operation function */ |
323 : | if(add) | ||
324 : | transfer_op = (transfer_operation_16to8_t*)add_upsampled_8x8_16to8; | ||
325 : | else | ||
326 : | transfer_op = (transfer_operation_16to8_t*)copy_upsampled_8x8_16to8; | ||
327 : | } else { | ||
328 : | Isibaar | 3 | |
329 : | edgomez | 965 | /* Image pointers */ |
330 : | pY_Cur = pCurrent->y + (y_pos << 4) * stride + (x_pos << 4); | ||
331 : | pU_Cur = pCurrent->u + (y_pos << 3) * stride2 + (x_pos << 3); | ||
332 : | pV_Cur = pCurrent->v + (y_pos << 3) * stride2 + (x_pos << 3); | ||
333 : | Isibaar | 3 | |
334 : | edgomez | 965 | /* Block size */ |
335 : | cst = 8; | ||
336 : | Isibaar | 3 | |
337 : | edgomez | 965 | /* Operation function */ |
338 : | if(add) | ||
339 : | transfer_op = (transfer_operation_16to8_t*)transfer_16to8add; | ||
340 : | else | ||
341 : | transfer_op = (transfer_operation_16to8_t*)transfer_16to8copy; | ||
342 : | Isibaar | 3 | } |
343 : | h | 69 | |
344 : | edgomez | 965 | /* Do the operation */ |
345 : | h | 69 | start_timer(); |
346 : | edgomez | 965 | if (cbp&32) transfer_op(pY_Cur, &data[0 * 64], stride); |
347 : | if (cbp&16) transfer_op(pY_Cur + cst, &data[1 * 64], stride); | ||
348 : | if (cbp& 8) transfer_op(pY_Cur + next_block, &data[2 * 64], stride); | ||
349 : | if (cbp& 4) transfer_op(pY_Cur + next_block + cst, &data[3 * 64], stride); | ||
350 : | if (cbp& 2) transfer_op(pU_Cur, &data[4 * 64], stride2); | ||
351 : | if (cbp& 1) transfer_op(pV_Cur, &data[5 * 64], stride2); | ||
352 : | h | 69 | stop_transfer_timer(); |
353 : | Isibaar | 3 | } |
354 : | h | 69 | |
355 : | edgomez | 965 | /***************************************************************************** |
356 : | * Module functions | ||
357 : | ****************************************************************************/ | ||
358 : | |||
359 : | chl | 368 | void |
360 : | edgomez | 965 | MBTransQuantIntra(const MBParam * pParam, |
361 : | chl | 368 | FRAMEINFO * frame, |
362 : | MACROBLOCK * pMB, | ||
363 : | const uint32_t x_pos, | ||
364 : | const uint32_t y_pos, | ||
365 : | int16_t data[6 * 64], | ||
366 : | int16_t qcoeff[6 * 64]) | ||
367 : | { | ||
368 : | h | 69 | |
369 : | edgomez | 965 | /* Transfer data */ |
370 : | MBTrans8to16(pParam, frame, pMB, x_pos, y_pos, data); | ||
371 : | chl | 368 | |
372 : | edgomez | 965 | /* Perform DCT (and field decision) */ |
373 : | MBfDCT(pParam, frame, pMB, x_pos, y_pos, data); | ||
374 : | chl | 368 | |
375 : | edgomez | 965 | /* Quantize the block */ |
376 : | MBQuantIntra(pParam, pMB, data, qcoeff); | ||
377 : | |||
378 : | /* DeQuantize the block */ | ||
379 : | MBDeQuantIntra(pParam, pMB->quant, data, qcoeff); | ||
380 : | |||
381 : | /* Perform inverse DCT*/ | ||
382 : | MBiDCT(data, 0x3F); | ||
383 : | |||
384 : | /* Transfer back the data -- Don't add data */ | ||
385 : | MBTrans16to8(pParam, frame, pMB, x_pos, y_pos, data, 0, 0x3F); | ||
386 : | chl | 368 | } |
387 : | |||
388 : | edgomez | 965 | |
389 : | chl | 368 | uint8_t |
390 : | edgomez | 965 | MBTransQuantInter(const MBParam * pParam, |
391 : | chl | 368 | FRAMEINFO * frame, |
392 : | MACROBLOCK * pMB, | ||
393 : | edgomez | 914 | const uint32_t x_pos, |
394 : | const uint32_t y_pos, | ||
395 : | chl | 368 | int16_t data[6 * 64], |
396 : | int16_t qcoeff[6 * 64]) | ||
397 : | { | ||
398 : | uint8_t cbp; | ||
399 : | edgomez | 965 | uint32_t limit; |
400 : | chl | 368 | |
401 : | edgomez | 914 | /* |
402 : | edgomez | 965 | * There is no MBTrans8to16 for Inter block, that's done in motion compensation |
403 : | * already | ||
404 : | edgomez | 914 | */ |
405 : | chl | 368 | |
406 : | edgomez | 965 | /* Perform DCT (and field decision) */ |
407 : | MBfDCT(pParam, frame, pMB, x_pos, y_pos, data); | ||
408 : | edgomez | 914 | |
409 : | edgomez | 965 | /* Set the limit threshold */ |
410 : | limit = PVOP_TOOSMALL_LIMIT + ((pMB->quant == 1)? 1 : 0); | ||
411 : | chl | 368 | |
412 : | edgomez | 965 | /* Quantize the block */ |
413 : | cbp = MBQuantInter(pParam, pMB, data, qcoeff, 0, limit); | ||
414 : | chl | 368 | |
415 : | edgomez | 965 | /* DeQuantize the block */ |
416 : | MBDeQuantInter(pParam, pMB->quant, data, qcoeff, cbp); | ||
417 : | chl | 368 | |
418 : | edgomez | 965 | /* Perform inverse DCT*/ |
419 : | MBiDCT(data, cbp); | ||
420 : | chl | 368 | |
421 : | edgomez | 965 | /* Transfer back the data -- Add the data */ |
422 : | MBTrans16to8(pParam, frame, pMB, x_pos, y_pos, data, 1, cbp); | ||
423 : | chl | 368 | |
424 : | edgomez | 965 | return(cbp); |
425 : | chl | 368 | } |
426 : | |||
427 : | edgomez | 965 | uint8_t |
428 : | MBTransQuantInterBVOP(const MBParam * pParam, | ||
429 : | chl | 368 | FRAMEINFO * frame, |
430 : | MACROBLOCK * pMB, | ||
431 : | const uint32_t x_pos, | ||
432 : | const uint32_t y_pos, | ||
433 : | int16_t data[6 * 64], | ||
434 : | edgomez | 965 | int16_t qcoeff[6 * 64]) |
435 : | chl | 368 | { |
436 : | edgomez | 965 | uint8_t cbp; |
437 : | uint32_t limit; | ||
438 : | |||
439 : | /* | ||
440 : | * There is no MBTrans8to16 for Inter block, that's done in motion compensation | ||
441 : | * already | ||
442 : | */ | ||
443 : | chl | 368 | |
444 : | edgomez | 965 | /* Perform DCT (and field decision) */ |
445 : | MBfDCT(pParam, frame, pMB, x_pos, y_pos, data); | ||
446 : | chl | 368 | |
447 : | edgomez | 965 | /* Set the limit threshold */ |
448 : | limit = BVOP_TOOSMALL_LIMIT; | ||
449 : | chl | 368 | |
450 : | edgomez | 965 | /* Quantize the block */ |
451 : | cbp = MBQuantInter(pParam, pMB, data, qcoeff, 1, limit); | ||
452 : | chl | 368 | |
453 : | edgomez | 965 | /* |
454 : | * History comment: | ||
455 : | * We don't have to DeQuant, iDCT and Transfer back data for B-frames. | ||
456 : | * | ||
457 : | * BUT some plugins require the original frame to be passed so we have | ||
458 : | * to take care of that here | ||
459 : | */ | ||
460 : | if((pParam->plugin_flags & XVID_REQORIGINAL)) { | ||
461 : | chl | 368 | |
462 : | edgomez | 965 | /* DeQuantize the block */ |
463 : | MBDeQuantInter(pParam, pMB->quant, data, qcoeff, cbp); | ||
464 : | chl | 368 | |
465 : | edgomez | 965 | /* Perform inverse DCT*/ |
466 : | MBiDCT(data, cbp); | ||
467 : | h | 69 | |
468 : | edgomez | 965 | /* Transfer back the data -- Add the data */ |
469 : | MBTrans16to8(pParam, frame, pMB, x_pos, y_pos, data, 1, cbp); | ||
470 : | edgomez | 851 | } |
471 : | |||
472 : | edgomez | 965 | return(cbp); |
473 : | edgomez | 851 | } |
474 : | |||
475 : | /* if sum(diff between field lines) < sum(diff between frame lines), use field dct */ | ||
476 : | uint32_t | ||
477 : | MBFieldTest_c(int16_t data[6 * 64]) | ||
478 : | { | ||
479 : | edgomez | 195 | const uint8_t blocks[] = |
480 : | { 0 * 64, 0 * 64, 0 * 64, 0 * 64, 2 * 64, 2 * 64, 2 * 64, 2 * 64 }; | ||
481 : | const uint8_t lines[] = { 0, 16, 32, 48, 0, 16, 32, 48 }; | ||
482 : | edgomez | 78 | |
483 : | h | 69 | int frame = 0, field = 0; |
484 : | int i, j; | ||
485 : | |||
486 : | edgomez | 195 | for (i = 0; i < 7; ++i) { |
487 : | for (j = 0; j < 8; ++j) { | ||
488 : | frame += | ||
489 : | ABS(data[0 * 64 + (i + 1) * 8 + j] - data[0 * 64 + i * 8 + j]); | ||
490 : | frame += | ||
491 : | ABS(data[1 * 64 + (i + 1) * 8 + j] - data[1 * 64 + i * 8 + j]); | ||
492 : | frame += | ||
493 : | ABS(data[2 * 64 + (i + 1) * 8 + j] - data[2 * 64 + i * 8 + j]); | ||
494 : | frame += | ||
495 : | ABS(data[3 * 64 + (i + 1) * 8 + j] - data[3 * 64 + i * 8 + j]); | ||
496 : | h | 69 | |
497 : | edgomez | 195 | field += |
498 : | ABS(data[blocks[i + 1] + lines[i + 1] + j] - | ||
499 : | data[blocks[i] + lines[i] + j]); | ||
500 : | field += | ||
501 : | ABS(data[blocks[i + 1] + lines[i + 1] + 8 + j] - | ||
502 : | data[blocks[i] + lines[i] + 8 + j]); | ||
503 : | field += | ||
504 : | ABS(data[blocks[i + 1] + 64 + lines[i + 1] + j] - | ||
505 : | data[blocks[i] + 64 + lines[i] + j]); | ||
506 : | field += | ||
507 : | ABS(data[blocks[i + 1] + 64 + lines[i + 1] + 8 + j] - | ||
508 : | data[blocks[i] + 64 + lines[i] + 8 + j]); | ||
509 : | h | 69 | } |
510 : | } | ||
511 : | |||
512 : | edgomez | 851 | return (frame >= (field + 350)); |
513 : | h | 69 | } |
514 : | |||
515 : | |||
516 : | /* deinterlace Y blocks vertically */ | ||
517 : | |||
518 : | #define MOVLINE(X,Y) memcpy(X, Y, sizeof(tmp)) | ||
519 : | edgomez | 78 | #define LINE(X,Y) &data[X*64 + Y*8] |
520 : | h | 69 | |
521 : | edgomez | 195 | void |
522 : | MBFrameToField(int16_t data[6 * 64]) | ||
523 : | h | 69 | { |
524 : | int16_t tmp[8]; | ||
525 : | |||
526 : | /* left blocks */ | ||
527 : | |||
528 : | edgomez | 851 | // 1=2, 2=4, 4=8, 8=1 |
529 : | edgomez | 195 | MOVLINE(tmp, LINE(0, 1)); |
530 : | MOVLINE(LINE(0, 1), LINE(0, 2)); | ||
531 : | MOVLINE(LINE(0, 2), LINE(0, 4)); | ||
532 : | MOVLINE(LINE(0, 4), LINE(2, 0)); | ||
533 : | MOVLINE(LINE(2, 0), tmp); | ||
534 : | h | 69 | |
535 : | edgomez | 851 | // 3=6, 6=12, 12=9, 9=3 |
536 : | edgomez | 195 | MOVLINE(tmp, LINE(0, 3)); |
537 : | MOVLINE(LINE(0, 3), LINE(0, 6)); | ||
538 : | MOVLINE(LINE(0, 6), LINE(2, 4)); | ||
539 : | MOVLINE(LINE(2, 4), LINE(2, 1)); | ||
540 : | MOVLINE(LINE(2, 1), tmp); | ||
541 : | h | 69 | |
542 : | edgomez | 851 | // 5=10, 10=5 |
543 : | edgomez | 195 | MOVLINE(tmp, LINE(0, 5)); |
544 : | MOVLINE(LINE(0, 5), LINE(2, 2)); | ||
545 : | MOVLINE(LINE(2, 2), tmp); | ||
546 : | h | 69 | |
547 : | edgomez | 851 | // 7=14, 14=13, 13=11, 11=7 |
548 : | edgomez | 195 | MOVLINE(tmp, LINE(0, 7)); |
549 : | MOVLINE(LINE(0, 7), LINE(2, 6)); | ||
550 : | MOVLINE(LINE(2, 6), LINE(2, 5)); | ||
551 : | MOVLINE(LINE(2, 5), LINE(2, 3)); | ||
552 : | MOVLINE(LINE(2, 3), tmp); | ||
553 : | h | 69 | |
554 : | /* right blocks */ | ||
555 : | |||
556 : | edgomez | 851 | // 1=2, 2=4, 4=8, 8=1 |
557 : | edgomez | 195 | MOVLINE(tmp, LINE(1, 1)); |
558 : | MOVLINE(LINE(1, 1), LINE(1, 2)); | ||
559 : | MOVLINE(LINE(1, 2), LINE(1, 4)); | ||
560 : | MOVLINE(LINE(1, 4), LINE(3, 0)); | ||
561 : | MOVLINE(LINE(3, 0), tmp); | ||
562 : | h | 69 | |
563 : | edgomez | 851 | // 3=6, 6=12, 12=9, 9=3 |
564 : | edgomez | 195 | MOVLINE(tmp, LINE(1, 3)); |
565 : | MOVLINE(LINE(1, 3), LINE(1, 6)); | ||
566 : | MOVLINE(LINE(1, 6), LINE(3, 4)); | ||
567 : | MOVLINE(LINE(3, 4), LINE(3, 1)); | ||
568 : | MOVLINE(LINE(3, 1), tmp); | ||
569 : | h | 69 | |
570 : | edgomez | 851 | // 5=10, 10=5 |
571 : | edgomez | 195 | MOVLINE(tmp, LINE(1, 5)); |
572 : | MOVLINE(LINE(1, 5), LINE(3, 2)); | ||
573 : | MOVLINE(LINE(3, 2), tmp); | ||
574 : | h | 69 | |
575 : | edgomez | 851 | // 7=14, 14=13, 13=11, 11=7 |
576 : | edgomez | 195 | MOVLINE(tmp, LINE(1, 7)); |
577 : | MOVLINE(LINE(1, 7), LINE(3, 6)); | ||
578 : | MOVLINE(LINE(3, 6), LINE(3, 5)); | ||
579 : | MOVLINE(LINE(3, 5), LINE(3, 3)); | ||
580 : | MOVLINE(LINE(3, 3), tmp); | ||
581 : | h | 69 | } |
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