32 |
* |
* |
33 |
* History: |
* History: |
34 |
* |
* |
35 |
|
* 15.07.2002 fix a bug in B-frame decode at DIRECT mode |
36 |
|
* MinChen <chenm001@163.com> |
37 |
|
* 10.07.2002 added BFRAMES_DEC_DEBUG support |
38 |
|
* Fix a little bug for low_delay flage |
39 |
|
* MinChen <chenm001@163.com> |
40 |
|
* 28.06.2002 added basic resync support to iframe/pframe_decode() |
41 |
|
* 22.06.2002 added primative N_VOP support |
42 |
|
* #define BFRAMES_DEC now enables Minchen's bframe decoder |
43 |
|
* 08.05.2002 add low_delay support for B_VOP decode |
44 |
|
* MinChen <chenm001@163.com> |
45 |
|
* 05.05.2002 fix some B-frame decode problem |
46 |
* 02.05.2002 add B-frame decode support(have some problem); |
* 02.05.2002 add B-frame decode support(have some problem); |
47 |
* MinChen <chenm001@163.com> |
* MinChen <chenm001@163.com> |
48 |
* 22.04.2002 add some B-frame decode support; chenm001 <chenm001@163.com> |
* 22.04.2002 add some B-frame decode support; chenm001 <chenm001@163.com> |
59 |
* |
* |
60 |
*************************************************************************/ |
*************************************************************************/ |
61 |
|
|
62 |
|
#include <stdio.h> |
63 |
#include <stdlib.h> |
#include <stdlib.h> |
64 |
#include <string.h> |
#include <string.h> |
65 |
|
|
66 |
|
#ifdef BFRAMES_DEC_DEBUG |
67 |
|
#define BFRAMES_DEC |
68 |
|
#endif |
69 |
|
|
70 |
#include "xvid.h" |
#include "xvid.h" |
71 |
#include "portab.h" |
#include "portab.h" |
72 |
|
#include "global.h" |
73 |
|
|
74 |
#include "decoder.h" |
#include "decoder.h" |
75 |
#include "bitstream/bitstream.h" |
#include "bitstream/bitstream.h" |
81 |
#include "dct/fdct.h" |
#include "dct/fdct.h" |
82 |
#include "utils/mem_transfer.h" |
#include "utils/mem_transfer.h" |
83 |
#include "image/interpolate8x8.h" |
#include "image/interpolate8x8.h" |
84 |
|
#include "image/reduced.h" |
85 |
|
#include "image/font.h" |
86 |
|
|
87 |
#include "bitstream/mbcoding.h" |
#include "bitstream/mbcoding.h" |
88 |
#include "prediction/mbprediction.h" |
#include "prediction/mbprediction.h" |
89 |
#include "utils/timer.h" |
#include "utils/timer.h" |
90 |
#include "utils/emms.h" |
#include "utils/emms.h" |
91 |
|
#include "motion/motion.h" |
92 |
|
|
93 |
#include "image/image.h" |
#include "image/image.h" |
94 |
#include "image/colorspace.h" |
#include "image/colorspace.h" |
95 |
#include "utils/mem_align.h" |
#include "utils/mem_align.h" |
96 |
|
|
97 |
int decoder_create(XVID_DEC_PARAM * param) |
int |
98 |
|
decoder_resize(DECODER * dec) |
99 |
{ |
{ |
100 |
DECODER * dec; |
/* free existing */ |
101 |
|
|
102 |
dec = xvid_malloc(sizeof(DECODER), CACHE_LINE); |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
103 |
if (dec == NULL) |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
104 |
{ |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
105 |
return XVID_ERR_MEMORY; |
image_destroy(&dec->tmp, dec->edged_width, dec->edged_height); |
106 |
} |
image_destroy(&dec->qtmp, dec->edged_width, dec->edged_height); |
|
param->handle = dec; |
|
107 |
|
|
108 |
dec->width = param->width; |
image_destroy(&dec->gmc, dec->edged_width, dec->edged_height); |
109 |
dec->height = param->height; |
|
110 |
|
if (dec->last_mbs) |
111 |
|
xvid_free(dec->last_mbs); |
112 |
|
if (dec->mbs) |
113 |
|
xvid_free(dec->mbs); |
114 |
|
|
115 |
|
/* realloc */ |
116 |
|
|
117 |
dec->mb_width = (dec->width + 15) / 16; |
dec->mb_width = (dec->width + 15) / 16; |
118 |
dec->mb_height = (dec->height + 15) / 16; |
dec->mb_height = (dec->height + 15) / 16; |
120 |
dec->edged_width = 16 * dec->mb_width + 2 * EDGE_SIZE; |
dec->edged_width = 16 * dec->mb_width + 2 * EDGE_SIZE; |
121 |
dec->edged_height = 16 * dec->mb_height + 2 * EDGE_SIZE; |
dec->edged_height = 16 * dec->mb_height + 2 * EDGE_SIZE; |
122 |
|
|
123 |
if (image_create(&dec->cur, dec->edged_width, dec->edged_height)) |
if (image_create(&dec->cur, dec->edged_width, dec->edged_height)) { |
|
{ |
|
124 |
xvid_free(dec); |
xvid_free(dec); |
125 |
return XVID_ERR_MEMORY; |
return XVID_ERR_MEMORY; |
126 |
} |
} |
127 |
|
|
128 |
if (image_create(&dec->refn[0], dec->edged_width, dec->edged_height)) |
if (image_create(&dec->refn[0], dec->edged_width, dec->edged_height)) { |
|
{ |
|
129 |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
130 |
xvid_free(dec); |
xvid_free(dec); |
131 |
return XVID_ERR_MEMORY; |
return XVID_ERR_MEMORY; |
132 |
} |
} |
133 |
|
|
134 |
// add by chenm001 <chenm001@163.com> |
// add by chenm001 <chenm001@163.com> |
135 |
// for support B-frame to reference last 2 frame |
// for support B-frame to reference last 2 frame |
136 |
if (image_create(&dec->refn[1], dec->edged_width, dec->edged_height)) |
if (image_create(&dec->refn[1], dec->edged_width, dec->edged_height)) { |
|
{ |
|
137 |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
138 |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
139 |
xvid_free(dec); |
xvid_free(dec); |
140 |
return XVID_ERR_MEMORY; |
return XVID_ERR_MEMORY; |
141 |
} |
} |
142 |
if (image_create(&dec->refn[2], dec->edged_width, dec->edged_height)) |
if (image_create(&dec->tmp, dec->edged_width, dec->edged_height)) { |
|
{ |
|
143 |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
144 |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
145 |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
147 |
return XVID_ERR_MEMORY; |
return XVID_ERR_MEMORY; |
148 |
} |
} |
149 |
|
|
150 |
dec->mbs = xvid_malloc(sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height, CACHE_LINE); |
if (image_create(&dec->qtmp, dec->edged_width, dec->edged_height)) { |
|
if (dec->mbs == NULL) |
|
|
{ |
|
151 |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
152 |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
153 |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
154 |
image_destroy(&dec->refn[2], dec->edged_width, dec->edged_height); |
image_destroy(&dec->tmp, dec->edged_width, dec->edged_height); |
155 |
xvid_free(dec); |
xvid_free(dec); |
156 |
return XVID_ERR_MEMORY; |
return XVID_ERR_MEMORY; |
157 |
} |
} |
158 |
|
|
159 |
|
if (image_create(&dec->gmc, dec->edged_width, dec->edged_height)) { |
160 |
|
image_destroy(&dec->qtmp, dec->edged_width, dec->edged_height); |
161 |
|
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
162 |
|
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
163 |
|
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
164 |
|
image_destroy(&dec->tmp, dec->edged_width, dec->edged_height); |
165 |
|
xvid_free(dec); |
166 |
|
return XVID_ERR_MEMORY; |
167 |
|
} |
168 |
|
|
169 |
|
dec->mbs = |
170 |
|
xvid_malloc(sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height, |
171 |
|
CACHE_LINE); |
172 |
|
if (dec->mbs == NULL) { |
173 |
|
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
174 |
|
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
175 |
|
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
176 |
|
image_destroy(&dec->tmp, dec->edged_width, dec->edged_height); |
177 |
|
image_destroy(&dec->qtmp, dec->edged_width, dec->edged_height); |
178 |
|
xvid_free(dec); |
179 |
|
return XVID_ERR_MEMORY; |
180 |
|
} |
181 |
|
memset(dec->mbs, 0, sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height); |
182 |
|
|
183 |
// add by chenm001 <chenm001@163.com> |
// add by chenm001 <chenm001@163.com> |
184 |
// for skip MB flag |
// for skip MB flag |
185 |
dec->last_mbs = xvid_malloc(sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height, CACHE_LINE); |
dec->last_mbs = |
186 |
if (dec->last_mbs == NULL) |
xvid_malloc(sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height, |
187 |
{ |
CACHE_LINE); |
188 |
|
if (dec->last_mbs == NULL) { |
189 |
xvid_free(dec->mbs); |
xvid_free(dec->mbs); |
190 |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
191 |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
192 |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
193 |
image_destroy(&dec->refn[2], dec->edged_width, dec->edged_height); |
image_destroy(&dec->tmp, dec->edged_width, dec->edged_height); |
194 |
|
image_destroy(&dec->qtmp, dec->edged_width, dec->edged_height); |
195 |
xvid_free(dec); |
xvid_free(dec); |
196 |
return XVID_ERR_MEMORY; |
return XVID_ERR_MEMORY; |
197 |
} |
} |
198 |
|
|
199 |
|
memset(dec->last_mbs, 0, sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height); |
200 |
|
|
201 |
|
return XVID_ERR_OK; |
202 |
|
} |
203 |
|
|
204 |
|
|
205 |
|
int |
206 |
|
decoder_create(XVID_DEC_PARAM * param) |
207 |
|
{ |
208 |
|
DECODER *dec; |
209 |
|
|
210 |
|
dec = xvid_malloc(sizeof(DECODER), CACHE_LINE); |
211 |
|
if (dec == NULL) { |
212 |
|
return XVID_ERR_MEMORY; |
213 |
|
} |
214 |
|
memset(dec, 0, sizeof(DECODER)); |
215 |
|
|
216 |
|
param->handle = dec; |
217 |
|
|
218 |
|
dec->width = param->width; |
219 |
|
dec->height = param->height; |
220 |
|
|
221 |
|
image_null(&dec->cur); |
222 |
|
image_null(&dec->refn[0]); |
223 |
|
image_null(&dec->refn[1]); |
224 |
|
image_null(&dec->tmp); |
225 |
|
image_null(&dec->qtmp); |
226 |
|
|
227 |
|
/* image based GMC */ |
228 |
|
image_null(&dec->gmc); |
229 |
|
|
230 |
|
|
231 |
|
dec->mbs = NULL; |
232 |
|
dec->last_mbs = NULL; |
233 |
|
|
234 |
init_timer(); |
init_timer(); |
235 |
|
|
236 |
// add by chenm001 <chenm001@163.com> |
// add by chenm001 <chenm001@163.com> |
237 |
// for support B-frame to save reference frame's time |
// for support B-frame to save reference frame's time |
238 |
dec->frames = -1; |
dec->frames = 0; |
239 |
dec->time = dec->time_base = dec->last_time_base = 0; |
dec->time = dec->time_base = dec->last_time_base = 0; |
240 |
|
dec->low_delay = 0; |
241 |
|
dec->packed_mode = 0; |
242 |
|
|
243 |
|
dec->fixed_dimensions = (dec->width > 0 && dec->height > 0); |
244 |
|
|
245 |
|
if (dec->fixed_dimensions) |
246 |
|
return decoder_resize(dec); |
247 |
|
else |
248 |
return XVID_ERR_OK; |
return XVID_ERR_OK; |
249 |
} |
} |
250 |
|
|
251 |
|
|
252 |
int decoder_destroy(DECODER * dec) |
int |
253 |
|
decoder_destroy(DECODER * dec) |
254 |
{ |
{ |
255 |
xvid_free(dec->last_mbs); |
xvid_free(dec->last_mbs); |
256 |
xvid_free(dec->mbs); |
xvid_free(dec->mbs); |
257 |
|
|
258 |
|
image_destroy(&dec->gmc, dec->edged_width, dec->edged_height); /* image based GMC */ |
259 |
|
|
260 |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
261 |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
262 |
image_destroy(&dec->refn[2], dec->edged_width, dec->edged_height); |
image_destroy(&dec->tmp, dec->edged_width, dec->edged_height); |
263 |
|
image_destroy(&dec->qtmp, dec->edged_width, dec->edged_height); |
264 |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
265 |
xvid_free(dec); |
xvid_free(dec); |
266 |
|
|
270 |
|
|
271 |
|
|
272 |
|
|
273 |
static const int32_t dquant_table[4] = |
static const int32_t dquant_table[4] = { |
|
{ |
|
274 |
-1, -2, 1, 2 |
-1, -2, 1, 2 |
275 |
}; |
}; |
276 |
|
|
279 |
|
|
280 |
// decode an intra macroblock |
// decode an intra macroblock |
281 |
|
|
282 |
void decoder_mbintra(DECODER * dec, |
void |
283 |
|
decoder_mbintra(DECODER * dec, |
284 |
MACROBLOCK * pMB, |
MACROBLOCK * pMB, |
285 |
const uint32_t x_pos, |
const uint32_t x_pos, |
286 |
const uint32_t y_pos, |
const uint32_t y_pos, |
288 |
const uint32_t cbp, |
const uint32_t cbp, |
289 |
Bitstream * bs, |
Bitstream * bs, |
290 |
const uint32_t quant, |
const uint32_t quant, |
291 |
const uint32_t intra_dc_threshold) |
const uint32_t intra_dc_threshold, |
292 |
|
const unsigned int bound, |
293 |
|
const int reduced_resolution) |
294 |
{ |
{ |
295 |
|
|
296 |
DECLARE_ALIGNED_MATRIX(block, 6, 64, int16_t, CACHE_LINE); |
DECLARE_ALIGNED_MATRIX(block, 6, 64, int16_t, CACHE_LINE); |
303 |
uint32_t iQuant = pMB->quant; |
uint32_t iQuant = pMB->quant; |
304 |
uint8_t *pY_Cur, *pU_Cur, *pV_Cur; |
uint8_t *pY_Cur, *pU_Cur, *pV_Cur; |
305 |
|
|
306 |
|
if (reduced_resolution) { |
307 |
|
pY_Cur = dec->cur.y + (y_pos << 5) * stride + (x_pos << 5); |
308 |
|
pU_Cur = dec->cur.u + (y_pos << 4) * stride2 + (x_pos << 4); |
309 |
|
pV_Cur = dec->cur.v + (y_pos << 4) * stride2 + (x_pos << 4); |
310 |
|
}else{ |
311 |
pY_Cur = dec->cur.y + (y_pos << 4) * stride + (x_pos << 4); |
pY_Cur = dec->cur.y + (y_pos << 4) * stride + (x_pos << 4); |
312 |
pU_Cur = dec->cur.u + (y_pos << 3) * stride2 + (x_pos << 3); |
pU_Cur = dec->cur.u + (y_pos << 3) * stride2 + (x_pos << 3); |
313 |
pV_Cur = dec->cur.v + (y_pos << 3) * stride2 + (x_pos << 3); |
pV_Cur = dec->cur.v + (y_pos << 3) * stride2 + (x_pos << 3); |
314 |
|
} |
315 |
|
|
316 |
memset(block, 0, 6*64*sizeof(int16_t)); // clear |
memset(block, 0, 6*64*sizeof(int16_t)); // clear |
317 |
|
|
318 |
for (i = 0; i < 6; i++) |
for (i = 0; i < 6; i++) { |
|
{ |
|
319 |
uint32_t iDcScaler = get_dc_scaler(iQuant, i < 4); |
uint32_t iDcScaler = get_dc_scaler(iQuant, i < 4); |
320 |
int16_t predictors[8]; |
int16_t predictors[8]; |
321 |
int start_coeff; |
int start_coeff; |
322 |
|
|
323 |
start_timer(); |
start_timer(); |
324 |
predict_acdc(dec->mbs, x_pos, y_pos, dec->mb_width, i, &block[i*64], iQuant, iDcScaler, predictors); |
predict_acdc(dec->mbs, x_pos, y_pos, dec->mb_width, i, &block[i * 64], |
325 |
if (!acpred_flag) |
iQuant, iDcScaler, predictors, bound); |
326 |
{ |
if (!acpred_flag) { |
327 |
pMB->acpred_directions[i] = 0; |
pMB->acpred_directions[i] = 0; |
328 |
} |
} |
329 |
stop_prediction_timer(); |
stop_prediction_timer(); |
330 |
|
|
331 |
if (quant < intra_dc_threshold) |
if (quant < intra_dc_threshold) { |
|
{ |
|
332 |
int dc_size; |
int dc_size; |
333 |
int dc_dif; |
int dc_dif; |
334 |
|
|
335 |
dc_size = i < 4 ? get_dc_size_lum(bs) : get_dc_size_chrom(bs); |
dc_size = i < 4 ? get_dc_size_lum(bs) : get_dc_size_chrom(bs); |
336 |
dc_dif = dc_size ? get_dc_dif(bs, dc_size) : 0 ; |
dc_dif = dc_size ? get_dc_dif(bs, dc_size) : 0 ; |
337 |
|
|
338 |
if (dc_size > 8) |
if (dc_size > 8) { |
|
{ |
|
339 |
BitstreamSkip(bs, 1); // marker |
BitstreamSkip(bs, 1); // marker |
340 |
} |
} |
341 |
|
|
342 |
block[i*64 + 0] = dc_dif; |
block[i*64 + 0] = dc_dif; |
343 |
start_coeff = 1; |
start_coeff = 1; |
344 |
} |
|
345 |
else |
DPRINTF(DPRINTF_COEFF,"block[0] %i", dc_dif); |
346 |
{ |
} else { |
347 |
start_coeff = 0; |
start_coeff = 0; |
348 |
} |
} |
349 |
|
|
350 |
start_timer(); |
start_timer(); |
351 |
if (cbp & (1 << (5-i))) // coded |
if (cbp & (1 << (5-i))) // coded |
352 |
{ |
{ |
353 |
get_intra_block(bs, &block[i*64], pMB->acpred_directions[i], start_coeff); |
int direction = dec->alternate_vertical_scan ? |
354 |
|
2 : pMB->acpred_directions[i]; |
355 |
|
|
356 |
|
get_intra_block(bs, &block[i * 64], direction, start_coeff); |
357 |
} |
} |
358 |
stop_coding_timer(); |
stop_coding_timer(); |
359 |
|
|
362 |
stop_prediction_timer(); |
stop_prediction_timer(); |
363 |
|
|
364 |
start_timer(); |
start_timer(); |
365 |
if (dec->quant_type == 0) |
if (dec->quant_type == 0) { |
|
{ |
|
366 |
dequant_intra(&data[i*64], &block[i*64], iQuant, iDcScaler); |
dequant_intra(&data[i*64], &block[i*64], iQuant, iDcScaler); |
367 |
} |
} else { |
|
else |
|
|
{ |
|
368 |
dequant4_intra(&data[i*64], &block[i*64], iQuant, iDcScaler); |
dequant4_intra(&data[i*64], &block[i*64], iQuant, iDcScaler); |
369 |
} |
} |
370 |
stop_iquant_timer(); |
stop_iquant_timer(); |
372 |
start_timer(); |
start_timer(); |
373 |
idct(&data[i*64]); |
idct(&data[i*64]); |
374 |
stop_idct_timer(); |
stop_idct_timer(); |
375 |
|
|
376 |
} |
} |
377 |
|
|
378 |
if (dec->interlacing && pMB->field_dct) |
if (dec->interlacing && pMB->field_dct) { |
|
{ |
|
379 |
next_block = stride; |
next_block = stride; |
380 |
stride *= 2; |
stride *= 2; |
381 |
} |
} |
382 |
|
|
383 |
start_timer(); |
start_timer(); |
384 |
|
|
385 |
|
if (reduced_resolution) |
386 |
|
{ |
387 |
|
next_block*=2; |
388 |
|
copy_upsampled_8x8_16to8(pY_Cur, &data[0 * 64], stride); |
389 |
|
copy_upsampled_8x8_16to8(pY_Cur + 16, &data[1 * 64], stride); |
390 |
|
copy_upsampled_8x8_16to8(pY_Cur + next_block, &data[2 * 64], stride); |
391 |
|
copy_upsampled_8x8_16to8(pY_Cur + 16 + next_block, &data[3 * 64], stride); |
392 |
|
copy_upsampled_8x8_16to8(pU_Cur, &data[4 * 64], stride2); |
393 |
|
copy_upsampled_8x8_16to8(pV_Cur, &data[5 * 64], stride2); |
394 |
|
}else{ |
395 |
transfer_16to8copy(pY_Cur, &data[0*64], stride); |
transfer_16to8copy(pY_Cur, &data[0*64], stride); |
396 |
transfer_16to8copy(pY_Cur + 8, &data[1*64], stride); |
transfer_16to8copy(pY_Cur + 8, &data[1*64], stride); |
397 |
transfer_16to8copy(pY_Cur + next_block, &data[2*64], stride); |
transfer_16to8copy(pY_Cur + next_block, &data[2*64], stride); |
398 |
transfer_16to8copy(pY_Cur + 8 + next_block, &data[3*64], stride); |
transfer_16to8copy(pY_Cur + 8 + next_block, &data[3*64], stride); |
399 |
transfer_16to8copy(pU_Cur, &data[4*64], stride2); |
transfer_16to8copy(pU_Cur, &data[4*64], stride2); |
400 |
transfer_16to8copy(pV_Cur, &data[5*64], stride2); |
transfer_16to8copy(pV_Cur, &data[5*64], stride2); |
401 |
|
} |
402 |
stop_transfer_timer(); |
stop_transfer_timer(); |
403 |
} |
} |
404 |
|
|
405 |
|
|
406 |
|
|
407 |
|
|
|
|
|
|
#define SIGN(X) (((X)>0)?1:-1) |
|
|
#define ABS(X) (((X)>0)?(X):-(X)) |
|
|
static const uint32_t roundtab[16] = |
|
|
{ 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2 }; |
|
|
|
|
|
|
|
408 |
// decode an inter macroblock |
// decode an inter macroblock |
409 |
|
|
410 |
void decoder_mbinter(DECODER * dec, |
void |
411 |
|
decoder_mbinter(DECODER * dec, |
412 |
const MACROBLOCK * pMB, |
const MACROBLOCK * pMB, |
413 |
const uint32_t x_pos, |
const uint32_t x_pos, |
414 |
const uint32_t y_pos, |
const uint32_t y_pos, |
416 |
const uint32_t cbp, |
const uint32_t cbp, |
417 |
Bitstream * bs, |
Bitstream * bs, |
418 |
const uint32_t quant, |
const uint32_t quant, |
419 |
const uint32_t rounding) |
const uint32_t rounding, |
420 |
|
const int reduced_resolution) |
421 |
{ |
{ |
422 |
|
|
423 |
DECLARE_ALIGNED_MATRIX(block,6, 64, int16_t, CACHE_LINE); |
DECLARE_ALIGNED_MATRIX(block,6, 64, int16_t, CACHE_LINE); |
425 |
|
|
426 |
uint32_t stride = dec->edged_width; |
uint32_t stride = dec->edged_width; |
427 |
uint32_t stride2 = stride / 2; |
uint32_t stride2 = stride / 2; |
428 |
uint32_t next_block = stride * 8; |
uint32_t next_block = stride * (reduced_resolution ? 16 : 8); |
429 |
uint32_t i; |
uint32_t i; |
430 |
uint32_t iQuant = pMB->quant; |
uint32_t iQuant = pMB->quant; |
431 |
uint8_t *pY_Cur, *pU_Cur, *pV_Cur; |
uint8_t *pY_Cur, *pU_Cur, *pV_Cur; |
432 |
|
|
433 |
int uv_dx, uv_dy; |
int uv_dx, uv_dy; |
434 |
|
VECTOR mv[4]; /* local copy of mvs */ |
435 |
|
|
436 |
|
if (reduced_resolution) { |
437 |
|
pY_Cur = dec->cur.y + (y_pos << 5) * stride + (x_pos << 5); |
438 |
|
pU_Cur = dec->cur.u + (y_pos << 4) * stride2 + (x_pos << 4); |
439 |
|
pV_Cur = dec->cur.v + (y_pos << 4) * stride2 + (x_pos << 4); |
440 |
|
for (i = 0; i < 4; i++) { |
441 |
|
mv[i].x = RRV_MV_SCALEUP(pMB->mvs[i].x); |
442 |
|
mv[i].y = RRV_MV_SCALEUP(pMB->mvs[i].y); |
443 |
|
} |
444 |
|
} else { |
445 |
pY_Cur = dec->cur.y + (y_pos << 4) * stride + (x_pos << 4); |
pY_Cur = dec->cur.y + (y_pos << 4) * stride + (x_pos << 4); |
446 |
pU_Cur = dec->cur.u + (y_pos << 3) * stride2 + (x_pos << 3); |
pU_Cur = dec->cur.u + (y_pos << 3) * stride2 + (x_pos << 3); |
447 |
pV_Cur = dec->cur.v + (y_pos << 3) * stride2 + (x_pos << 3); |
pV_Cur = dec->cur.v + (y_pos << 3) * stride2 + (x_pos << 3); |
448 |
|
for (i = 0; i < 4; i++) |
449 |
|
mv[i] = pMB->mvs[i]; |
450 |
|
} |
451 |
|
|
452 |
|
if (pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q) { |
453 |
|
|
454 |
|
uv_dx = mv[0].x / (1 + dec->quarterpel); |
455 |
|
uv_dy = mv[0].y / (1 + dec->quarterpel); |
456 |
|
|
457 |
|
uv_dx = (uv_dx >> 1) + roundtab_79[uv_dx & 0x3]; |
458 |
|
uv_dy = (uv_dy >> 1) + roundtab_79[uv_dy & 0x3]; |
459 |
|
|
460 |
if (pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q) |
start_timer(); |
461 |
|
if (reduced_resolution) |
462 |
{ |
{ |
463 |
uv_dx = pMB->mvs[0].x; |
interpolate32x32_switch(dec->cur.y, dec->refn[0].y, 32*x_pos, 32*y_pos, |
464 |
uv_dy = pMB->mvs[0].y; |
mv[0].x, mv[0].y, stride, rounding); |
465 |
|
interpolate16x16_switch(dec->cur.u, dec->refn[0].u, 16 * x_pos, 16 * y_pos, |
466 |
|
uv_dx, uv_dy, stride2, rounding); |
467 |
|
interpolate16x16_switch(dec->cur.v, dec->refn[0].v, 16 * x_pos, 16 * y_pos, |
468 |
|
uv_dx, uv_dy, stride2, rounding); |
469 |
|
|
|
uv_dx = (uv_dx & 3) ? (uv_dx >> 1) | 1 : uv_dx / 2; |
|
|
uv_dy = (uv_dy & 3) ? (uv_dy >> 1) | 1 : uv_dy / 2; |
|
470 |
} |
} |
471 |
else |
else |
472 |
{ |
{ |
473 |
int sum; |
if(dec->quarterpel) { |
474 |
sum = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x; |
interpolate16x16_quarterpel(dec->cur.y, dec->refn[0].y, dec->qtmp.y, dec->qtmp.y + 64, |
475 |
uv_dx = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) ); |
dec->qtmp.y + 128, 16*x_pos, 16*y_pos, |
476 |
|
mv[0].x, mv[0].y, stride, rounding); |
477 |
|
} |
478 |
|
else { |
479 |
|
interpolate16x16_switch(dec->cur.y, dec->refn[0].y, 16*x_pos, 16*y_pos, |
480 |
|
mv[0].x, mv[0].y, stride, rounding); |
481 |
|
} |
482 |
|
|
483 |
sum = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y; |
interpolate8x8_switch(dec->cur.u, dec->refn[0].u, 8 * x_pos, 8 * y_pos, |
484 |
uv_dy = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) ); |
uv_dx, uv_dy, stride2, rounding); |
485 |
|
interpolate8x8_switch(dec->cur.v, dec->refn[0].v, 8 * x_pos, 8 * y_pos, |
486 |
|
uv_dx, uv_dy, stride2, rounding); |
487 |
} |
} |
488 |
|
stop_comp_timer(); |
489 |
|
|
490 |
|
} else { /* MODE_INTER4V */ |
491 |
|
int sum; |
492 |
|
|
493 |
|
if(dec->quarterpel) |
494 |
|
sum = (mv[0].x / 2) + (mv[1].x / 2) + (mv[2].x / 2) + (mv[3].x / 2); |
495 |
|
else |
496 |
|
sum = mv[0].x + mv[1].x + mv[2].x + mv[3].x; |
497 |
|
|
498 |
|
uv_dx = (sum >> 3) + roundtab_76[sum & 0xf]; |
499 |
|
|
500 |
|
if(dec->quarterpel) |
501 |
|
sum = (mv[0].y / 2) + (mv[1].y / 2) + (mv[2].y / 2) + (mv[3].y / 2); |
502 |
|
else |
503 |
|
sum = mv[0].y + mv[1].y + mv[2].y + mv[3].y; |
504 |
|
|
505 |
|
uv_dy = (sum >> 3) + roundtab_76[sum & 0xf]; |
506 |
|
|
507 |
start_timer(); |
start_timer(); |
508 |
interpolate8x8_switch(dec->cur.y, dec->refn[0].y, 16*x_pos, 16*y_pos , pMB->mvs[0].x, pMB->mvs[0].y, stride, rounding); |
if (reduced_resolution) |
509 |
interpolate8x8_switch(dec->cur.y, dec->refn[0].y, 16*x_pos + 8, 16*y_pos , pMB->mvs[1].x, pMB->mvs[1].y, stride, rounding); |
{ |
510 |
interpolate8x8_switch(dec->cur.y, dec->refn[0].y, 16*x_pos, 16*y_pos + 8, pMB->mvs[2].x, pMB->mvs[2].y, stride, rounding); |
interpolate16x16_switch(dec->cur.y, dec->refn[0].y, 32*x_pos, 32*y_pos, |
511 |
interpolate8x8_switch(dec->cur.y, dec->refn[0].y, 16*x_pos + 8, 16*y_pos + 8, pMB->mvs[3].x, pMB->mvs[3].y, stride, rounding); |
mv[0].x, mv[0].y, stride, rounding); |
512 |
interpolate8x8_switch(dec->cur.u, dec->refn[0].u, 8*x_pos, 8*y_pos, uv_dx, uv_dy, stride2, rounding); |
interpolate16x16_switch(dec->cur.y, dec->refn[0].y , 32*x_pos + 16, 32*y_pos, |
513 |
interpolate8x8_switch(dec->cur.v, dec->refn[0].v, 8*x_pos, 8*y_pos, uv_dx, uv_dy, stride2, rounding); |
mv[1].x, mv[1].y, stride, rounding); |
514 |
stop_comp_timer(); |
interpolate16x16_switch(dec->cur.y, dec->refn[0].y , 32*x_pos, 32*y_pos + 16, |
515 |
|
mv[2].x, mv[2].y, stride, rounding); |
516 |
|
interpolate16x16_switch(dec->cur.y, dec->refn[0].y , 32*x_pos + 16, 32*y_pos + 16, |
517 |
|
mv[3].x, mv[3].y, stride, rounding); |
518 |
|
interpolate16x16_switch(dec->cur.u, dec->refn[0].u , 16 * x_pos, 16 * y_pos, |
519 |
|
uv_dx, uv_dy, stride2, rounding); |
520 |
|
interpolate16x16_switch(dec->cur.v, dec->refn[0].v , 16 * x_pos, 16 * y_pos, |
521 |
|
uv_dx, uv_dy, stride2, rounding); |
522 |
|
|
523 |
for (i = 0; i < 6; i++) |
// set_block(pY_Cur, stride, 32, 32, 127); |
524 |
|
} |
525 |
|
else |
526 |
{ |
{ |
527 |
|
if(dec->quarterpel) { |
528 |
|
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y , dec->qtmp.y, dec->qtmp.y + 64, |
529 |
|
dec->qtmp.y + 128, 16*x_pos, 16*y_pos, |
530 |
|
mv[0].x, mv[0].y, stride, rounding); |
531 |
|
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y , dec->qtmp.y, dec->qtmp.y + 64, |
532 |
|
dec->qtmp.y + 128, 16*x_pos + 8, 16*y_pos, |
533 |
|
mv[1].x, mv[1].y, stride, rounding); |
534 |
|
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y , dec->qtmp.y, dec->qtmp.y + 64, |
535 |
|
dec->qtmp.y + 128, 16*x_pos, 16*y_pos + 8, |
536 |
|
mv[2].x, mv[2].y, stride, rounding); |
537 |
|
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y , dec->qtmp.y, dec->qtmp.y + 64, |
538 |
|
dec->qtmp.y + 128, 16*x_pos + 8, 16*y_pos + 8, |
539 |
|
mv[3].x, mv[3].y, stride, rounding); |
540 |
|
} |
541 |
|
else { |
542 |
|
interpolate8x8_switch(dec->cur.y, dec->refn[0].y , 16*x_pos, 16*y_pos, |
543 |
|
mv[0].x, mv[0].y, stride, rounding); |
544 |
|
interpolate8x8_switch(dec->cur.y, dec->refn[0].y , 16*x_pos + 8, 16*y_pos, |
545 |
|
mv[1].x, mv[1].y, stride, rounding); |
546 |
|
interpolate8x8_switch(dec->cur.y, dec->refn[0].y , 16*x_pos, 16*y_pos + 8, |
547 |
|
mv[2].x, mv[2].y, stride, rounding); |
548 |
|
interpolate8x8_switch(dec->cur.y, dec->refn[0].y , 16*x_pos + 8, 16*y_pos + 8, |
549 |
|
mv[3].x, mv[3].y, stride, rounding); |
550 |
|
} |
551 |
|
|
552 |
|
interpolate8x8_switch(dec->cur.u, dec->refn[0].u , 8 * x_pos, 8 * y_pos, |
553 |
|
uv_dx, uv_dy, stride2, rounding); |
554 |
|
interpolate8x8_switch(dec->cur.v, dec->refn[0].v , 8 * x_pos, 8 * y_pos, |
555 |
|
uv_dx, uv_dy, stride2, rounding); |
556 |
|
} |
557 |
|
stop_comp_timer(); |
558 |
|
} |
559 |
|
|
560 |
|
for (i = 0; i < 6; i++) { |
561 |
|
int direction = dec->alternate_vertical_scan ? 2 : 0; |
562 |
|
|
563 |
if (cbp & (1 << (5-i))) // coded |
if (cbp & (1 << (5-i))) // coded |
564 |
{ |
{ |
565 |
memset(&block[i*64], 0, 64 * sizeof(int16_t)); // clear |
memset(&block[i*64], 0, 64 * sizeof(int16_t)); // clear |
566 |
|
|
567 |
start_timer(); |
start_timer(); |
568 |
get_inter_block(bs, &block[i*64]); |
get_inter_block(bs, &block[i * 64], direction); |
569 |
stop_coding_timer(); |
stop_coding_timer(); |
570 |
|
|
571 |
start_timer(); |
start_timer(); |
572 |
if (dec->quant_type == 0) |
if (dec->quant_type == 0) { |
|
{ |
|
573 |
dequant_inter(&data[i*64], &block[i*64], iQuant); |
dequant_inter(&data[i*64], &block[i*64], iQuant); |
574 |
|
} else { |
575 |
|
dequant4_inter(&data[i * 64], &block[i * 64], iQuant); |
576 |
|
} |
577 |
|
stop_iquant_timer(); |
578 |
|
|
579 |
|
start_timer(); |
580 |
|
idct(&data[i * 64]); |
581 |
|
stop_idct_timer(); |
582 |
|
} |
583 |
|
} |
584 |
|
|
585 |
|
if (dec->interlacing && pMB->field_dct) { |
586 |
|
next_block = stride; |
587 |
|
stride *= 2; |
588 |
|
} |
589 |
|
|
590 |
|
start_timer(); |
591 |
|
if (reduced_resolution) |
592 |
|
{ |
593 |
|
if (cbp & 32) |
594 |
|
add_upsampled_8x8_16to8(pY_Cur, &data[0 * 64], stride); |
595 |
|
if (cbp & 16) |
596 |
|
add_upsampled_8x8_16to8(pY_Cur + 16, &data[1 * 64], stride); |
597 |
|
if (cbp & 8) |
598 |
|
add_upsampled_8x8_16to8(pY_Cur + next_block, &data[2 * 64], stride); |
599 |
|
if (cbp & 4) |
600 |
|
add_upsampled_8x8_16to8(pY_Cur + 16 + next_block, &data[3 * 64], stride); |
601 |
|
if (cbp & 2) |
602 |
|
add_upsampled_8x8_16to8(pU_Cur, &data[4 * 64], stride2); |
603 |
|
if (cbp & 1) |
604 |
|
add_upsampled_8x8_16to8(pV_Cur, &data[5 * 64], stride2); |
605 |
} |
} |
606 |
else |
else |
607 |
{ |
{ |
608 |
|
if (cbp & 32) |
609 |
|
transfer_16to8add(pY_Cur, &data[0 * 64], stride); |
610 |
|
if (cbp & 16) |
611 |
|
transfer_16to8add(pY_Cur + 8, &data[1 * 64], stride); |
612 |
|
if (cbp & 8) |
613 |
|
transfer_16to8add(pY_Cur + next_block, &data[2 * 64], stride); |
614 |
|
if (cbp & 4) |
615 |
|
transfer_16to8add(pY_Cur + 8 + next_block, &data[3 * 64], stride); |
616 |
|
if (cbp & 2) |
617 |
|
transfer_16to8add(pU_Cur, &data[4 * 64], stride2); |
618 |
|
if (cbp & 1) |
619 |
|
transfer_16to8add(pV_Cur, &data[5 * 64], stride2); |
620 |
|
} |
621 |
|
stop_transfer_timer(); |
622 |
|
} |
623 |
|
|
624 |
|
|
625 |
|
static void |
626 |
|
decoder_mbgmc(DECODER * dec, |
627 |
|
MACROBLOCK * const pMB, |
628 |
|
const uint32_t x_pos, |
629 |
|
const uint32_t y_pos, |
630 |
|
const uint32_t acpred_flag, |
631 |
|
const uint32_t cbp, |
632 |
|
Bitstream * bs, |
633 |
|
const uint32_t quant, |
634 |
|
const uint32_t rounding, |
635 |
|
const int reduced_resolution) /* no reduced res support */ |
636 |
|
{ |
637 |
|
|
638 |
|
DECLARE_ALIGNED_MATRIX(block, 6, 64, int16_t, CACHE_LINE); |
639 |
|
DECLARE_ALIGNED_MATRIX(data, 6, 64, int16_t, CACHE_LINE); |
640 |
|
|
641 |
|
const uint32_t stride = dec->edged_width; |
642 |
|
const uint32_t stride2 = stride / 2; |
643 |
|
const uint32_t next_block = stride * (reduced_resolution ? 16 : 8); |
644 |
|
uint32_t i; |
645 |
|
const uint32_t iQuant = pMB->quant; |
646 |
|
uint8_t *const pY_Cur=dec->cur.y + (y_pos << 4) * stride + (x_pos << 4); |
647 |
|
uint8_t *const pU_Cur=dec->cur.u + (y_pos << 3) * stride2 + (x_pos << 3); |
648 |
|
uint8_t *const pV_Cur=dec->cur.v + (y_pos << 3) * stride2 + (x_pos << 3); |
649 |
|
|
650 |
|
pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->amv; |
651 |
|
|
652 |
|
start_timer(); |
653 |
|
transfer16x16_copy(pY_Cur, dec->gmc.y + (y_pos << 4)*stride + (x_pos << 4), stride); |
654 |
|
transfer8x8_copy(pU_Cur, dec->gmc.u + (y_pos << 3)*stride2 + (x_pos << 3), stride2); |
655 |
|
transfer8x8_copy(pV_Cur, dec->gmc.v + (y_pos << 3)*stride2 + (x_pos << 3), stride2); |
656 |
|
stop_transfer_timer(); |
657 |
|
|
658 |
|
if (!cbp) return; |
659 |
|
|
660 |
|
for (i = 0; i < 6; i++) { |
661 |
|
int direction = dec->alternate_vertical_scan ? 2 : 0; |
662 |
|
|
663 |
|
if (cbp & (1 << (5 - i))) // coded |
664 |
|
{ |
665 |
|
memset(&block[i * 64], 0, 64 * sizeof(int16_t)); // clear |
666 |
|
|
667 |
|
start_timer(); |
668 |
|
get_inter_block(bs, &block[i * 64], direction); |
669 |
|
stop_coding_timer(); |
670 |
|
|
671 |
|
start_timer(); |
672 |
|
if (dec->quant_type == 0) { |
673 |
|
dequant_inter(&data[i * 64], &block[i * 64], iQuant); |
674 |
|
} else { |
675 |
dequant4_inter(&data[i*64], &block[i*64], iQuant); |
dequant4_inter(&data[i*64], &block[i*64], iQuant); |
676 |
} |
} |
677 |
stop_iquant_timer(); |
stop_iquant_timer(); |
682 |
} |
} |
683 |
} |
} |
684 |
|
|
685 |
if (dec->interlacing && pMB->field_dct) |
/* interlace + GMC is this possible ??? */ |
686 |
{ |
/* if (dec->interlacing && pMB->field_dct) { |
687 |
next_block = stride; |
next_block = stride; |
688 |
stride *= 2; |
stride *= 2; |
689 |
} |
} |
690 |
|
*/ |
691 |
start_timer(); |
start_timer(); |
692 |
if (cbp & 32) |
if (cbp & 32) |
693 |
transfer_16to8add(pY_Cur, &data[0*64], stride); |
transfer_16to8add(pY_Cur, &data[0*64], stride); |
705 |
} |
} |
706 |
|
|
707 |
|
|
708 |
void decoder_iframe(DECODER * dec, Bitstream * bs, int quant, int intra_dc_threshold) |
void |
709 |
|
decoder_iframe(DECODER * dec, |
710 |
|
Bitstream * bs, |
711 |
|
int reduced_resolution, |
712 |
|
int quant, |
713 |
|
int intra_dc_threshold) |
714 |
{ |
{ |
715 |
|
uint32_t bound; |
716 |
uint32_t x, y; |
uint32_t x, y; |
717 |
|
uint32_t mb_width = dec->mb_width; |
718 |
|
uint32_t mb_height = dec->mb_height; |
719 |
|
|
720 |
for (y = 0; y < dec->mb_height; y++) |
if (reduced_resolution) |
|
{ |
|
|
for (x = 0; x < dec->mb_width; x++) |
|
721 |
{ |
{ |
722 |
MACROBLOCK * mb = &dec->mbs[y*dec->mb_width + x]; |
mb_width = (dec->width + 31) / 32; |
723 |
|
mb_height = (dec->height + 31) / 32; |
724 |
|
} |
725 |
|
|
726 |
|
bound = 0; |
727 |
|
|
728 |
|
for (y = 0; y < mb_height; y++) { |
729 |
|
for (x = 0; x < mb_width; x++) { |
730 |
|
MACROBLOCK *mb; |
731 |
uint32_t mcbpc; |
uint32_t mcbpc; |
732 |
uint32_t cbpc; |
uint32_t cbpc; |
733 |
uint32_t acpred_flag; |
uint32_t acpred_flag; |
734 |
uint32_t cbpy; |
uint32_t cbpy; |
735 |
uint32_t cbp; |
uint32_t cbp; |
736 |
|
|
737 |
|
while (BitstreamShowBits(bs, 9) == 1) |
738 |
|
BitstreamSkip(bs, 9); |
739 |
|
|
740 |
|
if (check_resync_marker(bs, 0)) |
741 |
|
{ |
742 |
|
bound = read_video_packet_header(bs, dec, 0, |
743 |
|
&quant, NULL, NULL, &intra_dc_threshold); |
744 |
|
x = bound % mb_width; |
745 |
|
y = bound / mb_width; |
746 |
|
} |
747 |
|
mb = &dec->mbs[y * dec->mb_width + x]; |
748 |
|
|
749 |
|
DPRINTF(DPRINTF_MB, "macroblock (%i,%i) %08x", x, y, BitstreamShowBits(bs, 32)); |
750 |
|
|
751 |
mcbpc = get_mcbpc_intra(bs); |
mcbpc = get_mcbpc_intra(bs); |
752 |
mb->mode = mcbpc & 7; |
mb->mode = mcbpc & 7; |
753 |
cbpc = (mcbpc >> 4); |
cbpc = (mcbpc >> 4); |
754 |
|
|
755 |
acpred_flag = BitstreamGetBit(bs); |
acpred_flag = BitstreamGetBit(bs); |
756 |
|
|
|
if (mb->mode == MODE_STUFFING) |
|
|
{ |
|
|
DEBUG("-- STUFFING ?"); |
|
|
continue; |
|
|
} |
|
|
|
|
757 |
cbpy = get_cbpy(bs, 1); |
cbpy = get_cbpy(bs, 1); |
758 |
cbp = (cbpy << 2) | cbpc; |
cbp = (cbpy << 2) | cbpc; |
759 |
|
|
760 |
if (mb->mode == MODE_INTRA_Q) |
if (mb->mode == MODE_INTRA_Q) { |
|
{ |
|
761 |
quant += dquant_table[BitstreamGetBits(bs,2)]; |
quant += dquant_table[BitstreamGetBits(bs,2)]; |
762 |
if (quant > 31) |
if (quant > 31) { |
|
{ |
|
763 |
quant = 31; |
quant = 31; |
764 |
} |
} else if (quant < 1) { |
|
else if (quant < 1) |
|
|
{ |
|
765 |
quant = 1; |
quant = 1; |
766 |
} |
} |
767 |
} |
} |
768 |
mb->quant = quant; |
mb->quant = quant; |
769 |
|
mb->mvs[0].x = mb->mvs[0].y = |
770 |
|
mb->mvs[1].x = mb->mvs[1].y = |
771 |
|
mb->mvs[2].x = mb->mvs[2].y = |
772 |
|
mb->mvs[3].x = mb->mvs[3].y =0; |
773 |
|
|
774 |
if (dec->interlacing) |
if (dec->interlacing) { |
|
{ |
|
775 |
mb->field_dct = BitstreamGetBit(bs); |
mb->field_dct = BitstreamGetBit(bs); |
776 |
DEBUG1("deci: field_dct: ", mb->field_dct); |
DPRINTF(DPRINTF_MB,"deci: field_dct: %i", mb->field_dct); |
777 |
} |
} |
778 |
|
|
779 |
decoder_mbintra(dec, mb, x, y, acpred_flag, cbp, bs, quant, intra_dc_threshold); |
decoder_mbintra(dec, mb, x, y, acpred_flag, cbp, bs, quant, |
780 |
|
intra_dc_threshold, bound, reduced_resolution); |
781 |
|
|
782 |
} |
} |
783 |
|
if(dec->out_frm) |
784 |
|
output_slice(&dec->cur, dec->edged_width,dec->width,dec->out_frm,0,y,mb_width); |
785 |
} |
} |
786 |
|
|
787 |
} |
} |
788 |
|
|
789 |
|
|
790 |
void get_motion_vector(DECODER *dec, Bitstream *bs, int x, int y, int k, VECTOR * mv, int fcode) |
void |
791 |
|
get_motion_vector(DECODER * dec, |
792 |
|
Bitstream * bs, |
793 |
|
int x, |
794 |
|
int y, |
795 |
|
int k, |
796 |
|
VECTOR * ret_mv, |
797 |
|
int fcode, |
798 |
|
const int bound) |
799 |
{ |
{ |
800 |
|
|
801 |
int scale_fac = 1 << (fcode - 1); |
int scale_fac = 1 << (fcode - 1); |
803 |
int low = ((-32) * scale_fac); |
int low = ((-32) * scale_fac); |
804 |
int range = (64 * scale_fac); |
int range = (64 * scale_fac); |
805 |
|
|
806 |
VECTOR pmv[4]; |
VECTOR pmv; |
807 |
int32_t psad[4]; |
VECTOR mv; |
|
|
|
|
int mv_x, mv_y; |
|
|
int pmv_x, pmv_y; |
|
808 |
|
|
809 |
|
pmv = get_pmv2(dec->mbs, dec->mb_width, bound, x, y, k); |
810 |
|
|
811 |
get_pmvdata(dec->mbs, x, y, dec->mb_width, k, pmv, psad); |
mv.x = get_mv(bs, fcode); |
812 |
|
mv.y = get_mv(bs, fcode); |
813 |
|
|
814 |
pmv_x = pmv[0].x; |
DPRINTF(DPRINTF_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)", mv.x, mv.y, pmv.x, pmv.y, mv.x+pmv.x, mv.y+pmv.y); |
|
pmv_y = pmv[0].y; |
|
815 |
|
|
816 |
mv_x = get_mv(bs, fcode); |
mv.x += pmv.x; |
817 |
mv_y = get_mv(bs, fcode); |
mv.y += pmv.y; |
818 |
|
|
819 |
mv_x += pmv_x; |
if (mv.x < low) { |
820 |
mv_y += pmv_y; |
mv.x += range; |
821 |
|
} else if (mv.x > high) { |
822 |
if (mv_x < low) |
mv.x -= range; |
|
{ |
|
|
mv_x += range; |
|
823 |
} |
} |
824 |
else if (mv_x > high) |
|
825 |
{ |
if (mv.y < low) { |
826 |
mv_x -= range; |
mv.y += range; |
827 |
|
} else if (mv.y > high) { |
828 |
|
mv.y -= range; |
829 |
} |
} |
830 |
|
|
831 |
if (mv_y < low) |
ret_mv->x = mv.x; |
832 |
{ |
ret_mv->y = mv.y; |
|
mv_y += range; |
|
833 |
} |
} |
834 |
else if (mv_y > high) |
|
835 |
|
|
836 |
|
|
837 |
|
static __inline int gmc_sanitize(int value, int quarterpel, int fcode) |
838 |
{ |
{ |
839 |
mv_y -= range; |
int length = 1 << (fcode+4); |
|
} |
|
840 |
|
|
841 |
mv->x = mv_x; |
if (quarterpel) value *= 2; |
|
mv->y = mv_y; |
|
842 |
|
|
843 |
|
if (value < -length) |
844 |
|
return -length; |
845 |
|
else if (value >= length) |
846 |
|
return length-1; |
847 |
|
else return value; |
848 |
} |
} |
849 |
|
|
850 |
|
|
851 |
void decoder_pframe(DECODER * dec, Bitstream * bs, int rounding, int quant, int fcode, int intra_dc_threshold) |
/* for P_VOP set gmc_warp to NULL */ |
852 |
|
void |
853 |
|
decoder_pframe(DECODER * dec, |
854 |
|
Bitstream * bs, |
855 |
|
int rounding, |
856 |
|
int reduced_resolution, |
857 |
|
int quant, |
858 |
|
int fcode, |
859 |
|
int intra_dc_threshold, |
860 |
|
const WARPPOINTS *const gmc_warp) |
861 |
{ |
{ |
862 |
|
|
863 |
uint32_t x, y; |
uint32_t x, y; |
864 |
|
uint32_t bound; |
865 |
|
int cp_mb, st_mb; |
866 |
|
uint32_t mb_width = dec->mb_width; |
867 |
|
uint32_t mb_height = dec->mb_height; |
868 |
|
|
869 |
|
static int framecount=0; |
870 |
|
if (reduced_resolution) |
871 |
|
{ |
872 |
|
mb_width = (dec->width + 31) / 32; |
873 |
|
mb_height = (dec->height + 31) / 32; |
874 |
|
} |
875 |
|
|
876 |
start_timer(); |
start_timer(); |
877 |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, dec->width, dec->height, dec->interlacing); |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
878 |
|
dec->width, dec->height); |
879 |
stop_edges_timer(); |
stop_edges_timer(); |
880 |
|
|
881 |
for (y = 0; y < dec->mb_height; y++) |
if (gmc_warp) |
882 |
|
{ |
883 |
|
|
884 |
|
// accuracy: 0==1/2, 1=1/4, 2=1/8, 3=1/16 |
885 |
|
if ( (dec->sprite_warping_accuracy != 3) || (dec->sprite_warping_points != 2) ) |
886 |
|
{ |
887 |
|
fprintf(stderr,"Wrong GMC parameters acc=%d(-> 1/%d), %d!!!\n", |
888 |
|
dec->sprite_warping_accuracy,(2<<dec->sprite_warping_accuracy), |
889 |
|
dec->sprite_warping_points); |
890 |
|
} |
891 |
|
|
892 |
|
generate_GMCparameters( dec->sprite_warping_points, |
893 |
|
(2 << dec->sprite_warping_accuracy), gmc_warp, |
894 |
|
dec->width, dec->height, &dec->gmc_data); |
895 |
|
|
896 |
|
generate_GMCimage(&dec->gmc_data, &dec->refn[0], |
897 |
|
mb_width, mb_height, |
898 |
|
dec->edged_width, dec->edged_width/2, |
899 |
|
fcode, dec->quarterpel, 0, |
900 |
|
rounding, dec->mbs, &dec->gmc); |
901 |
|
|
902 |
|
} |
903 |
|
|
904 |
|
bound = 0; |
905 |
|
|
906 |
|
for (y = 0; y < mb_height; y++) { |
907 |
|
cp_mb = st_mb = 0; |
908 |
|
for (x = 0; x < mb_width; x++) { |
909 |
|
MACROBLOCK *mb; |
910 |
|
|
911 |
|
// skip stuffing |
912 |
|
while (BitstreamShowBits(bs, 10) == 1) |
913 |
|
BitstreamSkip(bs, 10); |
914 |
|
|
915 |
|
if (check_resync_marker(bs, fcode - 1)) |
916 |
{ |
{ |
917 |
for (x = 0; x < dec->mb_width; x++) |
bound = read_video_packet_header(bs, dec, fcode - 1, |
918 |
{ |
&quant, &fcode, NULL, &intra_dc_threshold); |
919 |
MACROBLOCK * mb = &dec->mbs[y*dec->mb_width + x]; |
x = bound % mb_width; |
920 |
|
y = bound / mb_width; |
921 |
|
} |
922 |
|
mb = &dec->mbs[y * dec->mb_width + x]; |
923 |
|
|
924 |
|
DPRINTF(DPRINTF_MB, "macroblock (%i,%i) %08x", x, y, BitstreamShowBits(bs, 32)); |
925 |
|
|
926 |
//if (!(dec->mb_skip[y*dec->mb_width + x]=BitstreamGetBit(bs))) // not_coded |
//if (!(dec->mb_skip[y*dec->mb_width + x]=BitstreamGetBit(bs))) // not_coded |
927 |
if (!(BitstreamGetBit(bs))) // not_coded |
if (!(BitstreamGetBit(bs))) // block _is_ coded |
928 |
{ |
{ |
929 |
uint32_t mcbpc; |
uint32_t mcbpc; |
930 |
uint32_t cbpc; |
uint32_t cbpc; |
932 |
uint32_t cbpy; |
uint32_t cbpy; |
933 |
uint32_t cbp; |
uint32_t cbp; |
934 |
uint32_t intra; |
uint32_t intra; |
935 |
|
int mcsel = 0; // mcsel: '0'=local motion, '1'=GMC |
936 |
|
|
937 |
|
cp_mb++; |
938 |
mcbpc = get_mcbpc_inter(bs); |
mcbpc = get_mcbpc_inter(bs); |
939 |
mb->mode = mcbpc & 7; |
mb->mode = mcbpc & 7; |
940 |
cbpc = (mcbpc >> 4); |
cbpc = (mcbpc >> 4); |
941 |
|
|
942 |
|
DPRINTF(DPRINTF_MB, "mode %i", mb->mode); |
943 |
|
DPRINTF(DPRINTF_MB, "cbpc %i", cbpc); |
944 |
acpred_flag = 0; |
acpred_flag = 0; |
945 |
|
|
946 |
intra = (mb->mode == MODE_INTRA || mb->mode == MODE_INTRA_Q); |
intra = (mb->mode == MODE_INTRA || mb->mode == MODE_INTRA_Q); |
947 |
|
|
948 |
if (intra) |
if (intra) { |
|
{ |
|
949 |
acpred_flag = BitstreamGetBit(bs); |
acpred_flag = BitstreamGetBit(bs); |
950 |
} |
} |
951 |
|
|
952 |
if (mb->mode == MODE_STUFFING) |
if (gmc_warp && (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q)) |
953 |
{ |
{ |
954 |
DEBUG("-- STUFFING ?"); |
mcsel = BitstreamGetBit(bs); |
|
continue; |
|
955 |
} |
} |
956 |
|
|
957 |
cbpy = get_cbpy(bs, intra); |
cbpy = get_cbpy(bs, intra); |
958 |
|
DPRINTF(DPRINTF_MB, "cbpy %i mcsel %i ", cbpy,mcsel); |
959 |
|
|
960 |
cbp = (cbpy << 2) | cbpc; |
cbp = (cbpy << 2) | cbpc; |
961 |
|
|
962 |
if (mb->mode == MODE_INTER_Q || mb->mode == MODE_INTRA_Q) |
if (mb->mode == MODE_INTER_Q || mb->mode == MODE_INTRA_Q) { |
963 |
{ |
int dquant = dquant_table[BitstreamGetBits(bs, 2)]; |
964 |
quant += dquant_table[BitstreamGetBits(bs,2)]; |
DPRINTF(DPRINTF_MB, "dquant %i", dquant); |
965 |
if (quant > 31) |
quant += dquant; |
966 |
{ |
if (quant > 31) { |
967 |
quant = 31; |
quant = 31; |
968 |
} |
} else if (quant < 1) { |
|
else if (mb->quant < 1) |
|
|
{ |
|
969 |
quant = 1; |
quant = 1; |
970 |
} |
} |
971 |
|
DPRINTF(DPRINTF_MB, "quant %i", quant); |
972 |
} |
} |
973 |
mb->quant = quant; |
mb->quant = quant; |
974 |
|
|
975 |
if (dec->interlacing) |
if (dec->interlacing) { |
976 |
{ |
if (cbp || intra) { |
977 |
mb->field_dct = BitstreamGetBit(bs); |
mb->field_dct = BitstreamGetBit(bs); |
978 |
DEBUG1("decp: field_dct: ", mb->field_dct); |
DPRINTF(DPRINTF_MB,"decp: field_dct: %i", mb->field_dct); |
979 |
|
} |
980 |
|
|
981 |
if (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q) |
if (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q) { |
|
{ |
|
982 |
mb->field_pred = BitstreamGetBit(bs); |
mb->field_pred = BitstreamGetBit(bs); |
983 |
DEBUG1("decp: field_pred: ", mb->field_pred); |
DPRINTF(DPRINTF_MB, "decp: field_pred: %i", mb->field_pred); |
984 |
|
|
985 |
if (mb->field_pred) |
if (mb->field_pred) { |
|
{ |
|
986 |
mb->field_for_top = BitstreamGetBit(bs); |
mb->field_for_top = BitstreamGetBit(bs); |
987 |
DEBUG1("decp: field_for_top: ", mb->field_for_top); |
DPRINTF(DPRINTF_MB,"decp: field_for_top: %i", mb->field_for_top); |
988 |
mb->field_for_bot = BitstreamGetBit(bs); |
mb->field_for_bot = BitstreamGetBit(bs); |
989 |
DEBUG1("decp: field_for_bot: ", mb->field_for_bot); |
DPRINTF(DPRINTF_MB,"decp: field_for_bot: %i", mb->field_for_bot); |
990 |
} |
} |
991 |
} |
} |
992 |
} |
} |
993 |
|
|
994 |
if (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q) |
if (mcsel) { |
995 |
{ |
decoder_mbgmc(dec, mb, x, y, 0, cbp, bs, quant, |
996 |
if (dec->interlacing && mb->field_pred) |
rounding, reduced_resolution); |
997 |
{ |
continue; |
998 |
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[0], fcode); |
|
999 |
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[1], fcode); |
} else if (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q) { |
1000 |
} |
|
1001 |
else |
if (dec->interlacing && mb->field_pred) { |
1002 |
{ |
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[0], |
1003 |
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[0], fcode); |
fcode, bound); |
1004 |
mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = mb->mvs[0].x; |
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[1], |
1005 |
mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = mb->mvs[0].y; |
fcode, bound); |
1006 |
} |
} else { |
1007 |
|
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[0], |
1008 |
|
fcode, bound); |
1009 |
|
mb->mvs[1] = mb->mvs[2] = mb->mvs[3] = mb->mvs[0]; |
1010 |
|
} |
1011 |
|
} else if (mb->mode == MODE_INTER4V ) { |
1012 |
|
|
1013 |
|
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[0], fcode, bound); |
1014 |
|
get_motion_vector(dec, bs, x, y, 1, &mb->mvs[1], fcode, bound); |
1015 |
|
get_motion_vector(dec, bs, x, y, 2, &mb->mvs[2], fcode, bound); |
1016 |
|
get_motion_vector(dec, bs, x, y, 3, &mb->mvs[3], fcode, bound); |
1017 |
|
} else // MODE_INTRA, MODE_INTRA_Q |
1018 |
|
{ |
1019 |
|
mb->mvs[0].x = mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = |
1020 |
|
0; |
1021 |
|
mb->mvs[0].y = mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = |
1022 |
|
0; |
1023 |
|
decoder_mbintra(dec, mb, x, y, acpred_flag, cbp, bs, quant, |
1024 |
|
intra_dc_threshold, bound, reduced_resolution); |
1025 |
|
continue; |
1026 |
} |
} |
1027 |
else if (mb->mode == MODE_INTER4V /* || mb->mode == MODE_INTER4V_Q */) |
|
1028 |
{ |
decoder_mbinter(dec, mb, x, y, 0, cbp, bs, quant, |
1029 |
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[0], fcode); |
rounding, reduced_resolution); |
1030 |
get_motion_vector(dec, bs, x, y, 1, &mb->mvs[1], fcode); |
|
|
get_motion_vector(dec, bs, x, y, 2, &mb->mvs[2], fcode); |
|
|
get_motion_vector(dec, bs, x, y, 3, &mb->mvs[3], fcode); |
|
1031 |
} |
} |
1032 |
else // MODE_INTRA, MODE_INTRA_Q |
else if (gmc_warp) /* a not coded S(GMC)-VOP macroblock */ |
1033 |
{ |
{ |
1034 |
mb->mvs[0].x = mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = 0; |
mb->mode = MODE_NOT_CODED_GMC; |
1035 |
mb->mvs[0].y = mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = 0; |
|
1036 |
decoder_mbintra(dec, mb, x, y, acpred_flag, cbp, bs, quant, intra_dc_threshold); |
start_timer(); |
1037 |
continue; |
|
1038 |
} |
decoder_mbgmc(dec, mb, x, y, 0, 0x00, bs, quant, |
1039 |
|
rounding, reduced_resolution); |
1040 |
|
|
1041 |
|
stop_transfer_timer(); |
1042 |
|
|
1043 |
decoder_mbinter(dec, mb, x, y, acpred_flag, cbp, bs, quant, rounding); |
if(dec->out_frm && cp_mb > 0) { |
1044 |
|
output_slice(&dec->cur, dec->edged_width,dec->width,dec->out_frm,st_mb,y,cp_mb); |
1045 |
|
cp_mb = 0; |
1046 |
|
} |
1047 |
|
st_mb = x+1; |
1048 |
} |
} |
1049 |
else // not coded |
else /* not coded P_VOP macroblock */ |
1050 |
{ |
{ |
|
//DEBUG2("P-frame MB at (X,Y)=",x,y); |
|
1051 |
mb->mode = MODE_NOT_CODED; |
mb->mode = MODE_NOT_CODED; |
1052 |
|
|
1053 |
mb->mvs[0].x = mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = 0; |
mb->mvs[0].x = mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = 0; |
1054 |
mb->mvs[0].y = mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = 0; |
mb->mvs[0].y = mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = 0; |
|
|
|
1055 |
// copy macroblock directly from ref to cur |
// copy macroblock directly from ref to cur |
1056 |
|
|
1057 |
start_timer(); |
start_timer(); |
1058 |
|
|
1059 |
transfer8x8_copy(dec->cur.y + (16*y)*dec->edged_width + (16*x), |
if (reduced_resolution) |
1060 |
dec->refn[0].y + (16*y)*dec->edged_width + (16*x), |
{ |
1061 |
dec->edged_width); |
transfer32x32_copy(dec->cur.y + (32*y)*dec->edged_width + (32*x), |
1062 |
|
dec->refn[0].y + (32*y)*dec->edged_width + (32*x), |
|
transfer8x8_copy(dec->cur.y + (16*y)*dec->edged_width + (16*x+8), |
|
|
dec->refn[0].y + (16*y)*dec->edged_width + (16*x+8), |
|
1063 |
dec->edged_width); |
dec->edged_width); |
1064 |
|
|
1065 |
transfer8x8_copy(dec->cur.y + (16*y+8)*dec->edged_width + (16*x), |
transfer16x16_copy(dec->cur.u + (16*y)*dec->edged_width/2 + (16*x), |
1066 |
dec->refn[0].y + (16*y+8)*dec->edged_width + (16*x), |
dec->refn[0].u + (16*y)*dec->edged_width/2 + (16*x), |
1067 |
dec->edged_width); |
dec->edged_width/2); |
1068 |
|
|
1069 |
transfer8x8_copy(dec->cur.y + (16*y+8)*dec->edged_width + (16*x+8), |
transfer16x16_copy(dec->cur.v + (16*y)*dec->edged_width/2 + (16*x), |
1070 |
dec->refn[0].y + (16*y+8)*dec->edged_width + (16*x+8), |
dec->refn[0].v + (16*y)*dec->edged_width/2 + (16*x), |
1071 |
|
dec->edged_width/2); |
1072 |
|
} |
1073 |
|
else |
1074 |
|
{ |
1075 |
|
transfer16x16_copy(dec->cur.y + (16*y)*dec->edged_width + (16*x), |
1076 |
|
dec->refn[0].y + (16*y)*dec->edged_width + (16*x), |
1077 |
dec->edged_width); |
dec->edged_width); |
1078 |
|
|
1079 |
transfer8x8_copy(dec->cur.u + (8*y)*dec->edged_width/2 + (8*x), |
transfer8x8_copy(dec->cur.u + (8*y)*dec->edged_width/2 + (8*x), |
1083 |
transfer8x8_copy(dec->cur.v + (8*y)*dec->edged_width/2 + (8*x), |
transfer8x8_copy(dec->cur.v + (8*y)*dec->edged_width/2 + (8*x), |
1084 |
dec->refn[0].v + (8*y)*dec->edged_width/2 + (8*x), |
dec->refn[0].v + (8*y)*dec->edged_width/2 + (8*x), |
1085 |
dec->edged_width/2); |
dec->edged_width/2); |
1086 |
|
} |
1087 |
|
|
1088 |
stop_transfer_timer(); |
stop_transfer_timer(); |
1089 |
|
|
1090 |
|
if(dec->out_frm && cp_mb > 0) { |
1091 |
|
output_slice(&dec->cur, dec->edged_width,dec->width,dec->out_frm,st_mb,y,cp_mb); |
1092 |
|
cp_mb = 0; |
1093 |
|
} |
1094 |
|
st_mb = x+1; |
1095 |
} |
} |
1096 |
} |
} |
1097 |
|
if(dec->out_frm && cp_mb > 0) |
1098 |
|
output_slice(&dec->cur, dec->edged_width,dec->width,dec->out_frm,st_mb,y,cp_mb); |
1099 |
} |
} |
1100 |
} |
} |
1101 |
|
|
1102 |
|
|
1103 |
// add by MinChen <chenm001@163.com> |
// add by MinChen <chenm001@163.com> |
1104 |
// decode B-frame motion vector |
// decode B-frame motion vector |
1105 |
void get_b_motion_vector(DECODER *dec, Bitstream *bs, int x, int y, VECTOR * mv, int fcode, const VECTOR pmv) |
void |
1106 |
|
get_b_motion_vector(DECODER * dec, |
1107 |
|
Bitstream * bs, |
1108 |
|
int x, |
1109 |
|
int y, |
1110 |
|
VECTOR * mv, |
1111 |
|
int fcode, |
1112 |
|
const VECTOR pmv) |
1113 |
{ |
{ |
1114 |
int scale_fac = 1 << (fcode - 1); |
int scale_fac = 1 << (fcode - 1); |
1115 |
int high = (32 * scale_fac) - 1; |
int high = (32 * scale_fac) - 1; |
1128 |
mv_x += pmv_x; |
mv_x += pmv_x; |
1129 |
mv_y += pmv_y; |
mv_y += pmv_y; |
1130 |
|
|
1131 |
if (mv_x < low) |
if (mv_x < low) { |
|
{ |
|
1132 |
mv_x += range; |
mv_x += range; |
1133 |
} |
} else if (mv_x > high) { |
|
else if (mv_x > high) |
|
|
{ |
|
1134 |
mv_x -= range; |
mv_x -= range; |
1135 |
} |
} |
1136 |
|
|
1137 |
if (mv_y < low) |
if (mv_y < low) { |
|
{ |
|
1138 |
mv_y += range; |
mv_y += range; |
1139 |
} |
} else if (mv_y > high) { |
|
else if (mv_y > high) |
|
|
{ |
|
1140 |
mv_y -= range; |
mv_y -= range; |
1141 |
} |
} |
1142 |
|
|
1147 |
|
|
1148 |
// add by MinChen <chenm001@163.com> |
// add by MinChen <chenm001@163.com> |
1149 |
// decode an B-frame forward & backward inter macroblock |
// decode an B-frame forward & backward inter macroblock |
1150 |
void decoder_bf_mbinter(DECODER * dec, |
void |
1151 |
|
decoder_bf_mbinter(DECODER * dec, |
1152 |
const MACROBLOCK * pMB, |
const MACROBLOCK * pMB, |
1153 |
const uint32_t x_pos, |
const uint32_t x_pos, |
1154 |
const uint32_t y_pos, |
const uint32_t y_pos, |
1173 |
pU_Cur = dec->cur.u + (y_pos << 3) * stride2 + (x_pos << 3); |
pU_Cur = dec->cur.u + (y_pos << 3) * stride2 + (x_pos << 3); |
1174 |
pV_Cur = dec->cur.v + (y_pos << 3) * stride2 + (x_pos << 3); |
pV_Cur = dec->cur.v + (y_pos << 3) * stride2 + (x_pos << 3); |
1175 |
|
|
1176 |
if (!(pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q)) |
|
1177 |
{ |
if (!(pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q)) { |
1178 |
uv_dx = pMB->mvs[0].x; |
uv_dx = pMB->mvs[0].x; |
1179 |
uv_dy = pMB->mvs[0].y; |
uv_dy = pMB->mvs[0].y; |
1180 |
|
|
1181 |
uv_dx = (uv_dx & 3) ? (uv_dx >> 1) | 1 : uv_dx / 2; |
if (dec->quarterpel) |
|
uv_dy = (uv_dy & 3) ? (uv_dy >> 1) | 1 : uv_dy / 2; |
|
|
} |
|
|
else |
|
1182 |
{ |
{ |
1183 |
|
uv_dx /= 2; |
1184 |
|
uv_dy /= 2; |
1185 |
|
} |
1186 |
|
|
1187 |
|
uv_dx = (uv_dx >> 1) + roundtab_79[uv_dx & 0x3]; |
1188 |
|
uv_dy = (uv_dy >> 1) + roundtab_79[uv_dy & 0x3]; |
1189 |
|
} else { |
1190 |
int sum; |
int sum; |
1191 |
|
|
1192 |
|
if(dec->quarterpel) |
1193 |
|
sum = (pMB->mvs[0].x / 2) + (pMB->mvs[1].x / 2) + (pMB->mvs[2].x / 2) + (pMB->mvs[3].x / 2); |
1194 |
|
else |
1195 |
sum = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x; |
sum = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x; |
|
uv_dx = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) ); |
|
1196 |
|
|
1197 |
|
uv_dx = (sum >> 3) + roundtab_76[sum & 0xf]; |
1198 |
|
|
1199 |
|
if(dec->quarterpel) |
1200 |
|
sum = (pMB->mvs[0].y / 2) + (pMB->mvs[1].y / 2) + (pMB->mvs[2].y / 2) + (pMB->mvs[3].y / 2); |
1201 |
|
else |
1202 |
sum = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y; |
sum = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y; |
1203 |
uv_dy = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) ); |
|
1204 |
|
uv_dy = (sum >> 3) + roundtab_76[sum & 0xf]; |
1205 |
} |
} |
1206 |
|
|
1207 |
start_timer(); |
start_timer(); |
1208 |
interpolate8x8_switch(dec->cur.y, dec->refn[ref].y, 16*x_pos, 16*y_pos , pMB->mvs[0].x, pMB->mvs[0].y, stride, 0); |
if(dec->quarterpel) { |
1209 |
interpolate8x8_switch(dec->cur.y, dec->refn[ref].y, 16*x_pos + 8, 16*y_pos , pMB->mvs[1].x, pMB->mvs[1].y, stride, 0); |
interpolate16x16_quarterpel(dec->cur.y, dec->refn[ref].y, dec->qtmp.y, dec->qtmp.y + 64, |
1210 |
interpolate8x8_switch(dec->cur.y, dec->refn[ref].y, 16*x_pos, 16*y_pos + 8, pMB->mvs[2].x, pMB->mvs[2].y, stride, 0); |
dec->qtmp.y + 128, 16*x_pos, 16*y_pos, |
1211 |
interpolate8x8_switch(dec->cur.y, dec->refn[ref].y, 16*x_pos + 8, 16*y_pos + 8, pMB->mvs[3].x, pMB->mvs[3].y, stride, 0); |
pMB->mvs[0].x, pMB->mvs[0].y, stride, 0); |
1212 |
interpolate8x8_switch(dec->cur.u, dec->refn[ref].u, 8*x_pos, 8*y_pos, uv_dx, uv_dy, stride2, 0); |
} |
1213 |
interpolate8x8_switch(dec->cur.v, dec->refn[ref].v, 8*x_pos, 8*y_pos, uv_dx, uv_dy, stride2, 0); |
else { |
1214 |
|
interpolate8x8_switch(dec->cur.y, dec->refn[ref].y, 16*x_pos, 16*y_pos, |
1215 |
|
pMB->mvs[0].x, pMB->mvs[0].y, stride, 0); |
1216 |
|
interpolate8x8_switch(dec->cur.y, dec->refn[ref].y, 16*x_pos + 8, 16*y_pos, |
1217 |
|
pMB->mvs[1].x, pMB->mvs[1].y, stride, 0); |
1218 |
|
interpolate8x8_switch(dec->cur.y, dec->refn[ref].y, 16*x_pos, 16*y_pos + 8, |
1219 |
|
pMB->mvs[2].x, pMB->mvs[2].y, stride, 0); |
1220 |
|
interpolate8x8_switch(dec->cur.y, dec->refn[ref].y, 16*x_pos + 8, 16*y_pos + 8, |
1221 |
|
pMB->mvs[3].x, pMB->mvs[3].y, stride, 0); |
1222 |
|
} |
1223 |
|
|
1224 |
|
interpolate8x8_switch(dec->cur.u, dec->refn[ref].u, 8 * x_pos, 8 * y_pos, |
1225 |
|
uv_dx, uv_dy, stride2, 0); |
1226 |
|
interpolate8x8_switch(dec->cur.v, dec->refn[ref].v, 8 * x_pos, 8 * y_pos, |
1227 |
|
uv_dx, uv_dy, stride2, 0); |
1228 |
stop_comp_timer(); |
stop_comp_timer(); |
1229 |
|
|
1230 |
for (i = 0; i < 6; i++) |
for (i = 0; i < 6; i++) { |
1231 |
{ |
int direction = dec->alternate_vertical_scan ? 2 : 0; |
1232 |
|
|
1233 |
if (cbp & (1 << (5-i))) // coded |
if (cbp & (1 << (5-i))) // coded |
1234 |
{ |
{ |
1235 |
memset(&block[i*64], 0, 64 * sizeof(int16_t)); // clear |
memset(&block[i*64], 0, 64 * sizeof(int16_t)); // clear |
1236 |
|
|
1237 |
start_timer(); |
start_timer(); |
1238 |
get_inter_block(bs, &block[i*64]); |
get_inter_block(bs, &block[i * 64], direction); |
1239 |
stop_coding_timer(); |
stop_coding_timer(); |
1240 |
|
|
1241 |
start_timer(); |
start_timer(); |
1242 |
if (dec->quant_type == 0) |
if (dec->quant_type == 0) { |
|
{ |
|
1243 |
dequant_inter(&data[i*64], &block[i*64], iQuant); |
dequant_inter(&data[i*64], &block[i*64], iQuant); |
1244 |
} |
} else { |
|
else |
|
|
{ |
|
1245 |
dequant4_inter(&data[i*64], &block[i*64], iQuant); |
dequant4_inter(&data[i*64], &block[i*64], iQuant); |
1246 |
} |
} |
1247 |
stop_iquant_timer(); |
stop_iquant_timer(); |
1252 |
} |
} |
1253 |
} |
} |
1254 |
|
|
1255 |
if (dec->interlacing && pMB->field_dct) |
if (dec->interlacing && pMB->field_dct) { |
|
{ |
|
1256 |
next_block = stride; |
next_block = stride; |
1257 |
stride *= 2; |
stride *= 2; |
1258 |
} |
} |
1273 |
stop_transfer_timer(); |
stop_transfer_timer(); |
1274 |
} |
} |
1275 |
|
|
|
|
|
1276 |
// add by MinChen <chenm001@163.com> |
// add by MinChen <chenm001@163.com> |
1277 |
// decode an B-frame direct & inter macroblock |
// decode an B-frame direct & inter macroblock |
1278 |
void decoder_bf_interpolate_mbinter(DECODER * dec, |
void |
1279 |
IMAGE forward, IMAGE backward, |
decoder_bf_interpolate_mbinter(DECODER * dec, |
1280 |
|
IMAGE forward, |
1281 |
|
IMAGE backward, |
1282 |
const MACROBLOCK * pMB, |
const MACROBLOCK * pMB, |
1283 |
const uint32_t x_pos, |
const uint32_t x_pos, |
1284 |
const uint32_t y_pos, |
const uint32_t y_pos, |
|
const uint32_t cbp, |
|
1285 |
Bitstream * bs ) |
Bitstream * bs ) |
1286 |
{ |
{ |
1287 |
|
|
1296 |
int b_uv_dx, b_uv_dy; |
int b_uv_dx, b_uv_dy; |
1297 |
uint32_t i; |
uint32_t i; |
1298 |
uint8_t *pY_Cur, *pU_Cur, *pV_Cur; |
uint8_t *pY_Cur, *pU_Cur, *pV_Cur; |
1299 |
|
const uint32_t cbp = pMB->cbp; |
1300 |
|
|
1301 |
pY_Cur = dec->cur.y + (y_pos << 4) * stride + (x_pos << 4); |
pY_Cur = dec->cur.y + (y_pos << 4) * stride + (x_pos << 4); |
1302 |
pU_Cur = dec->cur.u + (y_pos << 3) * stride2 + (x_pos << 3); |
pU_Cur = dec->cur.u + (y_pos << 3) * stride2 + (x_pos << 3); |
1303 |
pV_Cur = dec->cur.v + (y_pos << 3) * stride2 + (x_pos << 3); |
pV_Cur = dec->cur.v + (y_pos << 3) * stride2 + (x_pos << 3); |
1304 |
|
|
1305 |
if ((pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q)) |
|
1306 |
{ |
if ((pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q)) { |
1307 |
uv_dx = pMB->mvs[0].x; |
uv_dx = pMB->mvs[0].x; |
1308 |
uv_dy = pMB->mvs[0].y; |
uv_dy = pMB->mvs[0].y; |
1309 |
|
|
|
uv_dx = (uv_dx & 3) ? (uv_dx >> 1) | 1 : uv_dx / 2; |
|
|
uv_dy = (uv_dy & 3) ? (uv_dy >> 1) | 1 : uv_dy / 2; |
|
|
|
|
1310 |
b_uv_dx = pMB->b_mvs[0].x; |
b_uv_dx = pMB->b_mvs[0].x; |
1311 |
b_uv_dy = pMB->b_mvs[0].y; |
b_uv_dy = pMB->b_mvs[0].y; |
1312 |
|
|
1313 |
b_uv_dx = (uv_dx & 3) ? (uv_dx >> 1) | 1 : uv_dx / 2; |
if (dec->quarterpel) |
|
b_uv_dy = (uv_dy & 3) ? (uv_dy >> 1) | 1 : uv_dy / 2; |
|
|
} |
|
|
else |
|
1314 |
{ |
{ |
1315 |
|
uv_dx /= 2; |
1316 |
|
uv_dy /= 2; |
1317 |
|
|
1318 |
|
b_uv_dx /= 2; |
1319 |
|
b_uv_dy /= 2; |
1320 |
|
} |
1321 |
|
|
1322 |
|
uv_dx = (uv_dx >> 1) + roundtab_79[uv_dx & 0x3]; |
1323 |
|
uv_dy = (uv_dy >> 1) + roundtab_79[uv_dy & 0x3]; |
1324 |
|
|
1325 |
|
b_uv_dx = (b_uv_dx >> 1) + roundtab_79[b_uv_dx & 0x3]; |
1326 |
|
b_uv_dy = (b_uv_dy >> 1) + roundtab_79[b_uv_dy & 0x3]; |
1327 |
|
} else { |
1328 |
int sum; |
int sum; |
1329 |
|
|
1330 |
|
if(dec->quarterpel) |
1331 |
|
sum = (pMB->mvs[0].x / 2) + (pMB->mvs[1].x / 2) + (pMB->mvs[2].x / 2) + (pMB->mvs[3].x / 2); |
1332 |
|
else |
1333 |
sum = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x; |
sum = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x; |
|
uv_dx = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) ); |
|
1334 |
|
|
1335 |
|
uv_dx = (sum >> 3) + roundtab_76[sum & 0xf]; |
1336 |
|
|
1337 |
|
if(dec->quarterpel) |
1338 |
|
sum = (pMB->mvs[0].y / 2) + (pMB->mvs[1].y / 2) + (pMB->mvs[2].y / 2) + (pMB->mvs[3].y / 2); |
1339 |
|
else |
1340 |
sum = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y; |
sum = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y; |
|
uv_dy = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) ); |
|
1341 |
|
|
1342 |
|
uv_dy = (sum >> 3) + roundtab_76[sum & 0xf]; |
1343 |
|
|
1344 |
|
|
1345 |
|
if(dec->quarterpel) |
1346 |
|
sum = (pMB->b_mvs[0].x / 2) + (pMB->b_mvs[1].x / 2) + (pMB->b_mvs[2].x / 2) + (pMB->b_mvs[3].x / 2); |
1347 |
|
else |
1348 |
sum = pMB->b_mvs[0].x + pMB->b_mvs[1].x + pMB->b_mvs[2].x + pMB->b_mvs[3].x; |
sum = pMB->b_mvs[0].x + pMB->b_mvs[1].x + pMB->b_mvs[2].x + pMB->b_mvs[3].x; |
|
b_uv_dx = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) ); |
|
1349 |
|
|
1350 |
|
b_uv_dx = (sum >> 3) + roundtab_76[sum & 0xf]; |
1351 |
|
|
1352 |
|
if(dec->quarterpel) |
1353 |
|
sum = (pMB->b_mvs[0].y / 2) + (pMB->b_mvs[1].y / 2) + (pMB->b_mvs[2].y / 2) + (pMB->b_mvs[3].y / 2); |
1354 |
|
else |
1355 |
sum = pMB->b_mvs[0].y + pMB->b_mvs[1].y + pMB->b_mvs[2].y + pMB->b_mvs[3].y; |
sum = pMB->b_mvs[0].y + pMB->b_mvs[1].y + pMB->b_mvs[2].y + pMB->b_mvs[3].y; |
1356 |
b_uv_dy = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2) ); |
|
1357 |
|
b_uv_dy = (sum >> 3) + roundtab_76[sum & 0xf]; |
1358 |
} |
} |
1359 |
|
|
1360 |
|
|
1361 |
start_timer(); |
start_timer(); |
1362 |
interpolate8x8_switch(dec->cur.y, forward.y, 16*x_pos, 16*y_pos , pMB->mvs[0].x, pMB->mvs[0].y, stride, 0); |
if(dec->quarterpel) { |
1363 |
interpolate8x8_switch(dec->cur.y, forward.y, 16*x_pos + 8, 16*y_pos , pMB->mvs[1].x, pMB->mvs[1].y, stride, 0); |
if((pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q)) |
1364 |
interpolate8x8_switch(dec->cur.y, forward.y, 16*x_pos, 16*y_pos + 8, pMB->mvs[2].x, pMB->mvs[2].y, stride, 0); |
interpolate16x16_quarterpel(dec->cur.y, forward.y, dec->qtmp.y, dec->qtmp.y + 64, |
1365 |
interpolate8x8_switch(dec->cur.y, forward.y, 16*x_pos + 8, 16*y_pos + 8, pMB->mvs[3].x, pMB->mvs[3].y, stride, 0); |
dec->qtmp.y + 128, 16*x_pos, 16*y_pos, |
1366 |
interpolate8x8_switch(dec->cur.u, forward.u, 8*x_pos, 8*y_pos, uv_dx, uv_dy, stride2, 0); |
pMB->mvs[0].x, pMB->mvs[0].y, stride, 0); |
1367 |
interpolate8x8_switch(dec->cur.v, forward.v, 8*x_pos, 8*y_pos, uv_dx, uv_dy, stride2, 0); |
else { |
1368 |
|
interpolate8x8_quarterpel(dec->cur.y, forward.y, dec->qtmp.y, dec->qtmp.y + 64, |
1369 |
|
dec->qtmp.y + 128, 16*x_pos, 16*y_pos, |
1370 |
|
pMB->mvs[0].x, pMB->mvs[0].y, stride, 0); |
1371 |
|
interpolate8x8_quarterpel(dec->cur.y, forward.y, dec->qtmp.y, dec->qtmp.y + 64, |
1372 |
|
dec->qtmp.y + 128, 16*x_pos + 8, 16*y_pos, |
1373 |
|
pMB->mvs[1].x, pMB->mvs[1].y, stride, 0); |
1374 |
|
interpolate8x8_quarterpel(dec->cur.y, forward.y, dec->qtmp.y, dec->qtmp.y + 64, |
1375 |
|
dec->qtmp.y + 128, 16*x_pos, 16*y_pos + 8, |
1376 |
|
pMB->mvs[2].x, pMB->mvs[2].y, stride, 0); |
1377 |
|
interpolate8x8_quarterpel(dec->cur.y, forward.y, dec->qtmp.y, dec->qtmp.y + 64, |
1378 |
|
dec->qtmp.y + 128, 16*x_pos + 8, 16*y_pos + 8, |
1379 |
|
pMB->mvs[3].x, pMB->mvs[3].y, stride, 0); |
1380 |
|
} |
1381 |
|
} |
1382 |
|
else { |
1383 |
|
interpolate8x8_switch(dec->cur.y, forward.y, 16 * x_pos, 16 * y_pos, |
1384 |
|
pMB->mvs[0].x, pMB->mvs[0].y, stride, 0); |
1385 |
|
interpolate8x8_switch(dec->cur.y, forward.y, 16 * x_pos + 8, 16 * y_pos, |
1386 |
|
pMB->mvs[1].x, pMB->mvs[1].y, stride, 0); |
1387 |
|
interpolate8x8_switch(dec->cur.y, forward.y, 16 * x_pos, 16 * y_pos + 8, |
1388 |
|
pMB->mvs[2].x, pMB->mvs[2].y, stride, 0); |
1389 |
|
interpolate8x8_switch(dec->cur.y, forward.y, 16 * x_pos + 8, |
1390 |
|
16 * y_pos + 8, pMB->mvs[3].x, pMB->mvs[3].y, stride, |
1391 |
|
0); |
1392 |
|
} |
1393 |
|
|
1394 |
|
interpolate8x8_switch(dec->cur.u, forward.u, 8 * x_pos, 8 * y_pos, uv_dx, |
1395 |
|
uv_dy, stride2, 0); |
1396 |
|
interpolate8x8_switch(dec->cur.v, forward.v, 8 * x_pos, 8 * y_pos, uv_dx, |
1397 |
|
uv_dy, stride2, 0); |
1398 |
|
|
|
interpolate8x8_switch(dec->refn[2].y, backward.y, 16*x_pos, 16*y_pos , pMB->b_mvs[0].x, pMB->b_mvs[0].y, stride, 0); |
|
|
interpolate8x8_switch(dec->refn[2].y, backward.y, 16*x_pos + 8, 16*y_pos , pMB->b_mvs[1].x, pMB->b_mvs[1].y, stride, 0); |
|
|
interpolate8x8_switch(dec->refn[2].y, backward.y, 16*x_pos, 16*y_pos + 8, pMB->b_mvs[2].x, pMB->b_mvs[2].y, stride, 0); |
|
|
interpolate8x8_switch(dec->refn[2].y, backward.y, 16*x_pos + 8, 16*y_pos + 8, pMB->b_mvs[3].x, pMB->b_mvs[3].y, stride, 0); |
|
|
interpolate8x8_switch(dec->refn[2].u, backward.u, 8*x_pos, 8*y_pos, b_uv_dx, b_uv_dy, stride2, 0); |
|
|
interpolate8x8_switch(dec->refn[2].v, backward.v, 8*x_pos, 8*y_pos, b_uv_dx, b_uv_dy, stride2, 0); |
|
1399 |
|
|
1400 |
interpolate8x8_c(dec->cur.y, dec->refn[2].y, 16*x_pos, 16*y_pos , stride); |
if(dec->quarterpel) { |
1401 |
interpolate8x8_c(dec->cur.y, dec->refn[2].y, 16*x_pos + 8, 16*y_pos , stride); |
if((pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q)) |
1402 |
interpolate8x8_c(dec->cur.y, dec->refn[2].y, 16*x_pos, 16*y_pos + 8, stride); |
interpolate16x16_quarterpel(dec->tmp.y, backward.y, dec->qtmp.y, dec->qtmp.y + 64, |
1403 |
interpolate8x8_c(dec->cur.y, dec->refn[2].y, 16*x_pos + 8, 16*y_pos + 8, stride); |
dec->qtmp.y + 128, 16*x_pos, 16*y_pos, |
1404 |
interpolate8x8_c(dec->cur.u, dec->refn[2].u, 8*x_pos, 8*y_pos, stride2); |
pMB->b_mvs[0].x, pMB->b_mvs[0].y, stride, 0); |
1405 |
interpolate8x8_c(dec->cur.v, dec->refn[2].v, 8*x_pos, 8*y_pos, stride2); |
else { |
1406 |
|
interpolate8x8_quarterpel(dec->tmp.y, backward.y, dec->qtmp.y, dec->qtmp.y + 64, |
1407 |
|
dec->qtmp.y + 128, 16*x_pos, 16*y_pos, |
1408 |
|
pMB->b_mvs[0].x, pMB->b_mvs[0].y, stride, 0); |
1409 |
|
interpolate8x8_quarterpel(dec->tmp.y, backward.y, dec->qtmp.y, dec->qtmp.y + 64, |
1410 |
|
dec->qtmp.y + 128, 16*x_pos + 8, 16*y_pos, |
1411 |
|
pMB->b_mvs[1].x, pMB->b_mvs[1].y, stride, 0); |
1412 |
|
interpolate8x8_quarterpel(dec->tmp.y, backward.y, dec->qtmp.y, dec->qtmp.y + 64, |
1413 |
|
dec->qtmp.y + 128, 16*x_pos, 16*y_pos + 8, |
1414 |
|
pMB->b_mvs[2].x, pMB->b_mvs[2].y, stride, 0); |
1415 |
|
interpolate8x8_quarterpel(dec->tmp.y, backward.y, dec->qtmp.y, dec->qtmp.y + 64, |
1416 |
|
dec->qtmp.y + 128, 16*x_pos + 8, 16*y_pos + 8, |
1417 |
|
pMB->b_mvs[3].x, pMB->b_mvs[3].y, stride, 0); |
1418 |
|
} |
1419 |
|
} |
1420 |
|
else { |
1421 |
|
interpolate8x8_switch(dec->tmp.y, backward.y, 16 * x_pos, 16 * y_pos, |
1422 |
|
pMB->b_mvs[0].x, pMB->b_mvs[0].y, stride, 0); |
1423 |
|
interpolate8x8_switch(dec->tmp.y, backward.y, 16 * x_pos + 8, |
1424 |
|
16 * y_pos, pMB->b_mvs[1].x, pMB->b_mvs[1].y, stride, |
1425 |
|
0); |
1426 |
|
interpolate8x8_switch(dec->tmp.y, backward.y, 16 * x_pos, |
1427 |
|
16 * y_pos + 8, pMB->b_mvs[2].x, pMB->b_mvs[2].y, |
1428 |
|
stride, 0); |
1429 |
|
interpolate8x8_switch(dec->tmp.y, backward.y, 16 * x_pos + 8, |
1430 |
|
16 * y_pos + 8, pMB->b_mvs[3].x, pMB->b_mvs[3].y, |
1431 |
|
stride, 0); |
1432 |
|
} |
1433 |
|
|
1434 |
|
interpolate8x8_switch(dec->tmp.u, backward.u, 8 * x_pos, 8 * y_pos, |
1435 |
|
b_uv_dx, b_uv_dy, stride2, 0); |
1436 |
|
interpolate8x8_switch(dec->tmp.v, backward.v, 8 * x_pos, 8 * y_pos, |
1437 |
|
b_uv_dx, b_uv_dy, stride2, 0); |
1438 |
|
|
1439 |
|
interpolate8x8_avg2(dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
1440 |
|
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
1441 |
|
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos, |
1442 |
|
stride, 1, 8); |
1443 |
|
|
1444 |
|
interpolate8x8_avg2(dec->cur.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
1445 |
|
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
1446 |
|
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
1447 |
|
stride, 1, 8); |
1448 |
|
|
1449 |
|
interpolate8x8_avg2(dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
1450 |
|
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
1451 |
|
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
1452 |
|
stride, 1, 8); |
1453 |
|
|
1454 |
|
interpolate8x8_avg2(dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
1455 |
|
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
1456 |
|
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
1457 |
|
stride, 1, 8); |
1458 |
|
|
1459 |
|
interpolate8x8_avg2(dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
1460 |
|
dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
1461 |
|
dec->tmp.u + (8 * y_pos * stride2) + 8 * x_pos, |
1462 |
|
stride2, 1, 8); |
1463 |
|
|
1464 |
|
interpolate8x8_avg2(dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
1465 |
|
dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
1466 |
|
dec->tmp.v + (8 * y_pos * stride2) + 8 * x_pos, |
1467 |
|
stride2, 1, 8); |
1468 |
|
|
1469 |
stop_comp_timer(); |
stop_comp_timer(); |
1470 |
|
|
1471 |
for (i = 0; i < 6; i++) |
for (i = 0; i < 6; i++) { |
1472 |
{ |
int direction = dec->alternate_vertical_scan ? 2 : 0; |
1473 |
|
|
1474 |
if (cbp & (1 << (5-i))) // coded |
if (cbp & (1 << (5-i))) // coded |
1475 |
{ |
{ |
1476 |
memset(&block[i*64], 0, 64 * sizeof(int16_t)); // clear |
memset(&block[i*64], 0, 64 * sizeof(int16_t)); // clear |
1477 |
|
|
1478 |
start_timer(); |
start_timer(); |
1479 |
get_inter_block(bs, &block[i*64]); |
get_inter_block(bs, &block[i * 64], direction); |
1480 |
stop_coding_timer(); |
stop_coding_timer(); |
1481 |
|
|
1482 |
start_timer(); |
start_timer(); |
1483 |
if (dec->quant_type == 0) |
if (dec->quant_type == 0) { |
|
{ |
|
1484 |
dequant_inter(&data[i*64], &block[i*64], iQuant); |
dequant_inter(&data[i*64], &block[i*64], iQuant); |
1485 |
} |
} else { |
|
else |
|
|
{ |
|
1486 |
dequant4_inter(&data[i*64], &block[i*64], iQuant); |
dequant4_inter(&data[i*64], &block[i*64], iQuant); |
1487 |
} |
} |
1488 |
stop_iquant_timer(); |
stop_iquant_timer(); |
1493 |
} |
} |
1494 |
} |
} |
1495 |
|
|
1496 |
if (dec->interlacing && pMB->field_dct) |
if (dec->interlacing && pMB->field_dct) { |
|
{ |
|
1497 |
next_block = stride; |
next_block = stride; |
1498 |
stride *= 2; |
stride *= 2; |
1499 |
} |
} |
1517 |
|
|
1518 |
// add by MinChen <chenm001@163.com> |
// add by MinChen <chenm001@163.com> |
1519 |
// for decode B-frame dbquant |
// for decode B-frame dbquant |
1520 |
int32_t __inline get_dbquant(Bitstream * bs) |
int32_t __inline |
1521 |
|
get_dbquant(Bitstream * bs) |
1522 |
{ |
{ |
1523 |
if (!BitstreamGetBit(bs)) // '0' |
if (!BitstreamGetBit(bs)) // '0' |
1524 |
return(0); |
return(0); |
1535 |
// 01 1 |
// 01 1 |
1536 |
// 001 2 |
// 001 2 |
1537 |
// 0001 3 |
// 0001 3 |
1538 |
int32_t __inline get_mbtype(Bitstream * bs) |
int32_t __inline |
1539 |
|
get_mbtype(Bitstream * bs) |
1540 |
{ |
{ |
1541 |
int32_t mb_type; |
int32_t mb_type; |
1542 |
|
|
1543 |
for(mb_type=0;mb_type<=3;mb_type++){ |
for(mb_type=0;mb_type<=3;mb_type++){ |
1544 |
if (BitstreamGetBit(bs)) |
if (BitstreamGetBit(bs)) |
1545 |
break; |
break; |
1551 |
return(-1); |
return(-1); |
1552 |
} |
} |
1553 |
|
|
1554 |
void decoder_bframe(DECODER * dec, Bitstream * bs, int quant, int fcode_forward, int fcode_backward) |
void |
1555 |
|
decoder_bframe(DECODER * dec, |
1556 |
|
Bitstream * bs, |
1557 |
|
int quant, |
1558 |
|
int fcode_forward, |
1559 |
|
int fcode_backward) |
1560 |
{ |
{ |
|
|
|
1561 |
uint32_t x, y; |
uint32_t x, y; |
1562 |
VECTOR mv, zeromv; |
VECTOR mv; |
1563 |
|
const VECTOR zeromv = {0,0}; |
1564 |
|
#ifdef BFRAMES_DEC_DEBUG |
1565 |
|
FILE *fp; |
1566 |
|
static char first=0; |
1567 |
|
#define BFRAME_DEBUG if (!first && fp){ \ |
1568 |
|
fprintf(fp,"Y=%3d X=%3d MB=%2d CBP=%02X\n",y,x,mb->mb_type,mb->cbp); \ |
1569 |
|
} |
1570 |
|
#endif |
1571 |
|
|
1572 |
start_timer(); |
start_timer(); |
1573 |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, dec->width, dec->height, dec->interlacing); |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
1574 |
//image_setedges(&dec->refn[1], dec->edged_width, dec->edged_height, dec->width, dec->height, dec->interlacing); |
dec->width, dec->height); |
1575 |
|
image_setedges(&dec->refn[1], dec->edged_width, dec->edged_height, |
1576 |
|
dec->width, dec->height); |
1577 |
stop_edges_timer(); |
stop_edges_timer(); |
1578 |
|
|
1579 |
|
#ifdef BFRAMES_DEC_DEBUG |
1580 |
|
if (!first){ |
1581 |
|
fp=fopen("C:\\XVIDDBG.TXT","w"); |
1582 |
|
} |
1583 |
|
#endif |
1584 |
|
|
1585 |
for (y = 0; y < dec->mb_height; y++) |
for (y = 0; y < dec->mb_height; y++) { |
|
{ |
|
1586 |
// Initialize Pred Motion Vector |
// Initialize Pred Motion Vector |
1587 |
dec->p_fmv.x = dec->p_fmv.y = dec->p_bmv.x = dec->p_bmv.y = 0; |
dec->p_fmv = dec->p_bmv = zeromv; |
1588 |
for (x = 0; x < dec->mb_width; x++) |
for (x = 0; x < dec->mb_width; x++) { |
|
{ |
|
1589 |
MACROBLOCK * mb = &dec->mbs[y*dec->mb_width + x]; |
MACROBLOCK * mb = &dec->mbs[y*dec->mb_width + x]; |
1590 |
MACROBLOCK * last_mb = &dec->last_mbs[y*dec->mb_width + x]; |
MACROBLOCK * last_mb = &dec->last_mbs[y*dec->mb_width + x]; |
1591 |
|
|
1592 |
mb->mvs[0].x=mb->mvs[0].y=zeromv.x = zeromv.y = mv.x = mv.y = 0; |
mv = |
1593 |
|
mb->b_mvs[0] = mb->b_mvs[1] = mb->b_mvs[2] = mb->b_mvs[3] = |
1594 |
|
mb->mvs[0] = mb->mvs[1] = mb->mvs[2] = mb->mvs[3] = zeromv; |
1595 |
|
|
1596 |
|
// skip if the co-located P_VOP macroblock is not coded |
1597 |
|
// if not codec in co-located S_VOP macroblock is _not_ automatically skipped |
1598 |
|
|
|
// the last P_VOP is skip macroblock ? |
|
1599 |
if (last_mb->mode == MODE_NOT_CODED){ |
if (last_mb->mode == MODE_NOT_CODED){ |
1600 |
//DEBUG2("Skip MB in B-frame at (X,Y)=!",x,y); |
//DEBUG2("Skip MB in B-frame at (X,Y)=!",x,y); |
|
mb->mb_type = MODE_FORWARD; |
|
1601 |
mb->cbp = 0; |
mb->cbp = 0; |
1602 |
mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = mb->mvs[0].x; |
#ifdef BFRAMES_DEC_DEBUG |
1603 |
mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = mb->mvs[0].y; |
mb->mb_type = MODE_NOT_CODED; |
1604 |
mb->quant = 8; |
BFRAME_DEBUG |
1605 |
|
#endif |
1606 |
|
mb->mb_type = MODE_FORWARD; |
1607 |
|
mb->quant = last_mb->quant; |
1608 |
|
//mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = mb->mvs[0].x; |
1609 |
|
//mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = mb->mvs[0].y; |
1610 |
|
|
1611 |
decoder_bf_mbinter(dec, mb, x, y, mb->cbp, bs, quant, 1); |
decoder_bf_mbinter(dec, mb, x, y, mb->cbp, bs, mb->quant, 1); |
1612 |
continue; |
continue; |
1613 |
} |
} |
1614 |
|
|
|
//t=BitstreamShowBits(bs,32); |
|
|
|
|
1615 |
if (!BitstreamGetBit(bs)){ // modb=='0' |
if (!BitstreamGetBit(bs)){ // modb=='0' |
1616 |
const uint8_t modb2=BitstreamGetBit(bs); |
const uint8_t modb2=BitstreamGetBit(bs); |
1617 |
|
|
1625 |
if (mb->mb_type && mb->cbp){ |
if (mb->mb_type && mb->cbp){ |
1626 |
quant += get_dbquant(bs); |
quant += get_dbquant(bs); |
1627 |
|
|
1628 |
if (quant > 31) |
if (quant > 31) { |
|
{ |
|
1629 |
quant = 31; |
quant = 31; |
1630 |
} |
} else if (quant < 1) { |
|
else if (mb->quant < 1) |
|
|
{ |
|
1631 |
quant = 1; |
quant = 1; |
1632 |
} |
} |
|
} else { |
|
|
quant = 8; |
|
1633 |
} |
} |
|
mb->quant = quant; |
|
1634 |
} else { |
} else { |
1635 |
mb->mb_type = MODE_DIRECT_NONE_MV; |
mb->mb_type = MODE_DIRECT_NONE_MV; |
1636 |
mb->cbp = 0; |
mb->cbp = 0; |
1637 |
} |
} |
1638 |
|
|
1639 |
mb->mode = MODE_INTER; |
mb->quant = quant; |
1640 |
|
mb->mode = MODE_INTER4V; |
1641 |
//DEBUG1("Switch bm_type=",mb->mb_type); |
//DEBUG1("Switch bm_type=",mb->mb_type); |
1642 |
|
|
1643 |
switch(mb->mb_type) |
#ifdef BFRAMES_DEC_DEBUG |
1644 |
{ |
BFRAME_DEBUG |
1645 |
|
#endif |
1646 |
|
|
1647 |
|
switch (mb->mb_type) { |
1648 |
case MODE_DIRECT: |
case MODE_DIRECT: |
1649 |
get_b_motion_vector(dec, bs, x, y, &mb->mvs[0], 1, zeromv); |
get_b_motion_vector(dec, bs, x, y, &mv, 1, zeromv); |
1650 |
|
|
1651 |
case MODE_DIRECT_NONE_MV: |
case MODE_DIRECT_NONE_MV: |
1652 |
{ // Because this file is a C file not C++ so I use '{' to define var |
{ |
1653 |
const int64_t TRB=dec->time_pp-dec->time_bp, |
const int64_t TRB = dec->time_pp - dec->time_bp, TRD = dec->time_pp; |
|
TRD=dec->time_pp; |
|
1654 |
int i; |
int i; |
1655 |
|
|
1656 |
for(i=0;i<4;i++){ |
for(i=0;i<4;i++){ |
1657 |
mb->mvs[i].x = (int32_t)((TRB * last_mb->mvs[i].x)/TRD+mb->mvs[0].x); |
mb->mvs[i].x = (int32_t) ((TRB * last_mb->mvs[i].x) |
1658 |
mb->b_mvs[i].x = (int32_t)((mb->mvs[0].x==0)?((TRB-TRD)*last_mb->mvs[i].x)/TRD:mb->mvs[i].x-last_mb->mvs[i].x); |
/ TRD + mv.x); |
1659 |
mb->mvs[i].y = (int32_t)((TRB * last_mb->mvs[i].y)/TRD+mb->mvs[0].y); |
mb->b_mvs[i].x = (int32_t) ((mv.x == 0) |
1660 |
mb->b_mvs[i].y = (int32_t)((mb->mvs[0].y==0)?((TRB-TRD)*last_mb->mvs[i].y)/TRD:mb->mvs[i].y-last_mb->mvs[i].y); |
? ((TRB - TRD) * last_mb->mvs[i].x) |
1661 |
|
/ TRD |
1662 |
|
: mb->mvs[i].x - last_mb->mvs[i].x); |
1663 |
|
mb->mvs[i].y = (int32_t) ((TRB * last_mb->mvs[i].y) |
1664 |
|
/ TRD + mv.y); |
1665 |
|
mb->b_mvs[i].y = (int32_t) ((mv.y == 0) |
1666 |
|
? ((TRB - TRD) * last_mb->mvs[i].y) |
1667 |
|
/ TRD |
1668 |
|
: mb->mvs[i].y - last_mb->mvs[i].y); |
1669 |
} |
} |
1670 |
//DEBUG("B-frame Direct!\n"); |
//DEBUG("B-frame Direct!\n"); |
1671 |
} |
} |
1672 |
mb->mode = MODE_INTER4V; |
decoder_bf_interpolate_mbinter(dec, dec->refn[1], dec->refn[0], |
1673 |
decoder_bf_interpolate_mbinter(dec, dec->refn[1], dec->refn[0], mb, x, y, mb->cbp, bs); |
mb, x, y, bs); |
1674 |
break; |
break; |
1675 |
|
|
1676 |
case MODE_INTERPOLATE: |
case MODE_INTERPOLATE: |
1677 |
get_b_motion_vector(dec, bs, x, y, &mb->mvs[0], fcode_forward, dec->p_fmv); |
get_b_motion_vector(dec, bs, x, y, &mb->mvs[0], fcode_forward, |
1678 |
dec->p_fmv.x = mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = mb->mvs[0].x; |
dec->p_fmv); |
1679 |
dec->p_fmv.y = mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = mb->mvs[0].y; |
dec->p_fmv = mb->mvs[1] = mb->mvs[2] = mb->mvs[3] = mb->mvs[0]; |
1680 |
|
|
1681 |
get_b_motion_vector(dec, bs, x, y, &mb->b_mvs[0], fcode_backward, dec->p_bmv); |
get_b_motion_vector(dec, bs, x, y, &mb->b_mvs[0], |
1682 |
dec->p_bmv.x = mb->b_mvs[1].x = mb->b_mvs[2].x = mb->b_mvs[3].x = mb->b_mvs[0].x; |
fcode_backward, dec->p_bmv); |
1683 |
dec->p_bmv.y = mb->b_mvs[1].y = mb->b_mvs[2].y = mb->b_mvs[3].y = mb->b_mvs[0].y; |
dec->p_bmv = mb->b_mvs[1] = mb->b_mvs[2] = |
1684 |
|
mb->b_mvs[3] = mb->b_mvs[0]; |
1685 |
|
|
1686 |
decoder_bf_interpolate_mbinter(dec, dec->refn[1], dec->refn[0], mb, x, y, mb->cbp, bs); |
decoder_bf_interpolate_mbinter(dec, dec->refn[1], dec->refn[0], |
1687 |
|
mb, x, y, bs); |
1688 |
//DEBUG("B-frame Bidir!\n"); |
//DEBUG("B-frame Bidir!\n"); |
1689 |
break; |
break; |
1690 |
|
|
1691 |
case MODE_BACKWARD: |
case MODE_BACKWARD: |
1692 |
get_b_motion_vector(dec, bs, x, y, &mb->mvs[0], fcode_backward, dec->p_bmv); |
get_b_motion_vector(dec, bs, x, y, &mb->mvs[0], fcode_backward, |
1693 |
dec->p_bmv.x = mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = mb->mvs[0].x; |
dec->p_bmv); |
1694 |
dec->p_bmv.y = mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = mb->mvs[0].y; |
dec->p_bmv = mb->mvs[1] = mb->mvs[2] = mb->mvs[3] = mb->mvs[0]; |
1695 |
|
|
1696 |
|
mb->mode = MODE_INTER; |
1697 |
decoder_bf_mbinter(dec, mb, x, y, mb->cbp, bs, quant, 0); |
decoder_bf_mbinter(dec, mb, x, y, mb->cbp, bs, quant, 0); |
1698 |
//DEBUG("B-frame Backward!\n"); |
//DEBUG("B-frame Backward!\n"); |
1699 |
break; |
break; |
1700 |
|
|
1701 |
case MODE_FORWARD: |
case MODE_FORWARD: |
1702 |
get_b_motion_vector(dec, bs, x, y, &mb->mvs[0], fcode_forward, dec->p_fmv); |
get_b_motion_vector(dec, bs, x, y, &mb->mvs[0], fcode_forward, |
1703 |
dec->p_fmv.x = mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = mb->mvs[0].x; |
dec->p_fmv); |
1704 |
dec->p_fmv.y = mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = mb->mvs[0].y; |
dec->p_fmv = mb->mvs[1] = mb->mvs[2] = mb->mvs[3] = mb->mvs[0]; |
1705 |
|
|
1706 |
|
mb->mode = MODE_INTER; |
1707 |
decoder_bf_mbinter(dec, mb, x, y, mb->cbp, bs, quant, 1); |
decoder_bf_mbinter(dec, mb, x, y, mb->cbp, bs, quant, 1); |
1708 |
//DEBUG("B-frame Forward!\n"); |
//DEBUG("B-frame Forward!\n"); |
1709 |
break; |
break; |
1710 |
|
|
1711 |
default: |
default: |
1712 |
DEBUG1("Not support B-frame mb_type =",mb->mb_type); |
DPRINTF(DPRINTF_ERROR,"Not support B-frame mb_type = %i", mb->mb_type); |
1713 |
} |
} |
1714 |
|
|
1715 |
} // end of FOR |
} // end of FOR |
1716 |
} |
} |
1717 |
|
#ifdef BFRAMES_DEC_DEBUG |
1718 |
|
if (!first){ |
1719 |
|
first=1; |
1720 |
|
if (fp) |
1721 |
|
fclose(fp); |
1722 |
|
} |
1723 |
|
#endif |
1724 |
} |
} |
1725 |
|
|
1726 |
// swap two MACROBLOCK array |
// swap two MACROBLOCK array |
1727 |
void mb_swap(MACROBLOCK **mb1, MACROBLOCK **mb2) |
void |
1728 |
|
mb_swap(MACROBLOCK ** mb1, |
1729 |
|
MACROBLOCK ** mb2) |
1730 |
{ |
{ |
1731 |
MACROBLOCK *temp=*mb1; |
MACROBLOCK *temp=*mb1; |
1732 |
|
|
1733 |
*mb1=*mb2; |
*mb1=*mb2; |
1734 |
*mb2=temp; |
*mb2=temp; |
1735 |
} |
} |
1736 |
|
|
1737 |
int decoder_decode(DECODER * dec, XVID_DEC_FRAME * frame) |
|
1738 |
|
/* perform post processing if necessary, and output the image */ |
1739 |
|
void decoder_output(DECODER * dec, IMAGE * img, MACROBLOCK * mbs, |
1740 |
|
const XVID_DEC_FRAME * frame, int pp_disable) |
1741 |
|
{ |
1742 |
|
|
1743 |
|
if ((frame->general & (XVID_DEC_DEBLOCKY|XVID_DEC_DEBLOCKUV)) && !pp_disable) /* post process */ |
1744 |
|
{ |
1745 |
|
/* note: image is stored to tmp */ |
1746 |
|
image_copy(&dec->tmp, img, dec->edged_width, dec->height); |
1747 |
|
image_deblock_rrv(&dec->tmp, dec->edged_width, |
1748 |
|
mbs, dec->mb_width, dec->mb_height, dec->mb_width, |
1749 |
|
8, frame->general); |
1750 |
|
img = &dec->tmp; |
1751 |
|
} |
1752 |
|
|
1753 |
|
image_output(img, dec->width, dec->height, |
1754 |
|
dec->edged_width, frame->image, frame->stride, |
1755 |
|
frame->colorspace, dec->interlacing); |
1756 |
|
} |
1757 |
|
|
1758 |
|
|
1759 |
|
int |
1760 |
|
decoder_decode(DECODER * dec, |
1761 |
|
XVID_DEC_FRAME * frame, XVID_DEC_STATS * stats) |
1762 |
{ |
{ |
1763 |
|
|
1764 |
Bitstream bs; |
Bitstream bs; |
1765 |
uint32_t rounding; |
uint32_t rounding; |
1766 |
|
uint32_t reduced_resolution; |
1767 |
uint32_t quant; |
uint32_t quant; |
1768 |
uint32_t fcode_forward; |
uint32_t fcode_forward; |
1769 |
uint32_t fcode_backward; |
uint32_t fcode_backward; |
1770 |
uint32_t intra_dc_threshold; |
uint32_t intra_dc_threshold; |
1771 |
|
WARPPOINTS gmc_warp; |
1772 |
uint32_t vop_type; |
uint32_t vop_type; |
1773 |
|
int success = 0; |
1774 |
|
int output = 0; |
1775 |
|
int seen_something = 0; |
1776 |
|
|
1777 |
start_global_timer(); |
start_global_timer(); |
1778 |
|
|
1779 |
|
dec->low_delay_default = (frame->general & XVID_DEC_LOWDELAY); |
1780 |
|
dec->out_frm = (frame->colorspace == XVID_CSP_EXTERN) ? frame->image : NULL; |
1781 |
|
|
1782 |
|
if ((frame->general & XVID_DEC_DISCONTINUITY)) |
1783 |
|
dec->frames = 0; |
1784 |
|
|
1785 |
|
if (frame->length < 0) /* decoder flush */ |
1786 |
|
{ |
1787 |
|
/* if not decoding "low_delay/packed", and this isn't low_delay and |
1788 |
|
we have a reference frame, then outout the reference frame */ |
1789 |
|
if (!(dec->low_delay_default && dec->packed_mode) && !dec->low_delay && dec->frames>0) |
1790 |
|
{ |
1791 |
|
decoder_output(dec, &dec->refn[0], dec->mbs, frame, dec->last_reduced_resolution); |
1792 |
|
output = 1; |
1793 |
|
} |
1794 |
|
|
1795 |
|
frame->length = 0; |
1796 |
|
if (stats) |
1797 |
|
{ |
1798 |
|
stats->notify = output ? XVID_DEC_VOP : XVID_DEC_NOTHING; |
1799 |
|
stats->data.vop.time_base = (int)dec->time_base; |
1800 |
|
stats->data.vop.time_increment = 0; //XXX: todo |
1801 |
|
} |
1802 |
|
|
1803 |
|
emms(); |
1804 |
|
|
1805 |
|
stop_global_timer(); |
1806 |
|
return XVID_ERR_OK; |
1807 |
|
} |
1808 |
|
|
1809 |
BitstreamInit(&bs, frame->bitstream, frame->length); |
BitstreamInit(&bs, frame->bitstream, frame->length); |
1810 |
|
|
1811 |
// add by chenm001 <chenm001@163.com> |
// XXX: 0x7f is only valid whilst decoding vfw xvid/divx5 avi's |
1812 |
// for support B-frame to reference last 2 frame |
if(dec->low_delay_default && frame->length == 1 && BitstreamShowBits(&bs, 8) == 0x7f) |
1813 |
dec->frames ++; |
{ |
1814 |
vop_type=BitstreamReadHeaders(&bs, dec, &rounding, &quant, &fcode_forward, &fcode_backward, &intra_dc_threshold); |
if (stats) |
1815 |
|
stats->notify = XVID_DEC_VOP; |
1816 |
|
frame->length = 1; |
1817 |
|
image_output(&dec->refn[0], dec->width, dec->height, dec->edged_width, |
1818 |
|
frame->image, frame->stride, frame->colorspace, dec->interlacing); |
1819 |
|
emms(); |
1820 |
|
return XVID_ERR_OK; |
1821 |
|
} |
1822 |
|
|
1823 |
|
repeat: |
1824 |
|
|
1825 |
|
vop_type = BitstreamReadHeaders(&bs, dec, &rounding, &reduced_resolution, |
1826 |
|
&quant, &fcode_forward, &fcode_backward, &intra_dc_threshold, &gmc_warp); |
1827 |
|
|
1828 |
|
DPRINTF(DPRINTF_HEADER, "vop_type=%i, packed=%i, time=%lli, time_pp=%i, time_bp=%i", |
1829 |
|
vop_type, dec->packed_mode, dec->time, dec->time_pp, dec->time_bp); |
1830 |
|
|
1831 |
|
if (vop_type == - 1) |
1832 |
|
{ |
1833 |
|
if (success) goto done; |
1834 |
|
emms(); |
1835 |
|
return XVID_ERR_FAIL; |
1836 |
|
} |
1837 |
|
|
1838 |
|
if (vop_type == -2 || vop_type == -3) |
1839 |
|
{ |
1840 |
|
if (vop_type == -3) |
1841 |
|
decoder_resize(dec); |
1842 |
|
|
1843 |
|
if (stats) |
1844 |
|
{ |
1845 |
|
stats->notify = XVID_DEC_VOL; |
1846 |
|
stats->data.vol.general = 0; |
1847 |
|
if (dec->interlacing) |
1848 |
|
stats->data.vol.general |= XVID_INTERLACING; |
1849 |
|
stats->data.vol.width = dec->width; |
1850 |
|
stats->data.vol.height = dec->height; |
1851 |
|
stats->data.vol.aspect_ratio = dec->aspect_ratio; |
1852 |
|
stats->data.vol.par_width = dec->par_width; |
1853 |
|
stats->data.vol.par_height = dec->par_height; |
1854 |
|
frame->length = BitstreamPos(&bs) / 8; |
1855 |
|
emms(); |
1856 |
|
return XVID_ERR_OK; |
1857 |
|
} |
1858 |
|
goto repeat; |
1859 |
|
} |
1860 |
|
|
1861 |
dec->p_bmv.x=dec->p_bmv.y=dec->p_fmv.y=dec->p_fmv.y=0; // init pred vector to 0 |
dec->p_bmv.x=dec->p_bmv.y=dec->p_fmv.y=dec->p_fmv.y=0; // init pred vector to 0 |
1862 |
|
|
1863 |
|
|
1864 |
|
/* packed_mode: special-N_VOP treament */ |
1865 |
|
if (dec->packed_mode && vop_type == N_VOP) |
1866 |
|
{ |
1867 |
|
if (dec->low_delay_default && dec->frames > 0) |
1868 |
|
{ |
1869 |
|
decoder_output(dec, &dec->refn[0], dec->last_mbs, frame, dec->last_reduced_resolution); |
1870 |
|
output = 1; |
1871 |
|
} |
1872 |
|
/* ignore otherwise */ |
1873 |
|
} |
1874 |
|
else if (vop_type != B_VOP) |
1875 |
|
{ |
1876 |
switch (vop_type) |
switch (vop_type) |
1877 |
{ |
{ |
1878 |
|
case I_VOP : |
1879 |
|
decoder_iframe(dec, &bs, reduced_resolution, quant, intra_dc_threshold); |
1880 |
|
break; |
1881 |
case P_VOP : |
case P_VOP : |
1882 |
decoder_pframe(dec, &bs, rounding, quant, fcode_forward, intra_dc_threshold); |
decoder_pframe(dec, &bs, rounding, reduced_resolution, quant, |
1883 |
DEBUG1("P_VOP Time=",dec->time); |
fcode_forward, intra_dc_threshold, NULL); |
1884 |
break; |
break; |
1885 |
|
case S_VOP : |
1886 |
case I_VOP : |
decoder_pframe(dec, &bs, rounding, reduced_resolution, quant, |
1887 |
decoder_iframe(dec, &bs, quant, intra_dc_threshold); |
fcode_forward, intra_dc_threshold, &gmc_warp); |
|
DEBUG1("I_VOP Time=",dec->time); |
|
1888 |
break; |
break; |
1889 |
|
case N_VOP : |
1890 |
|
image_copy(&dec->cur, &dec->refn[0], dec->edged_width, dec->height); |
1891 |
|
break; |
1892 |
|
} |
1893 |
|
|
1894 |
case B_VOP : |
if (reduced_resolution) |
1895 |
if (dec->time_pp > dec->time_bp){ |
{ |
1896 |
DEBUG1("B_VOP Time=",dec->time); |
image_deblock_rrv(&dec->cur, dec->edged_width, dec->mbs, |
1897 |
decoder_bframe(dec, &bs, quant, fcode_forward, fcode_backward); |
(dec->width + 31) / 32, (dec->height + 31) / 32, dec->mb_width, |
1898 |
|
16, XVID_DEC_DEBLOCKY|XVID_DEC_DEBLOCKUV); |
1899 |
|
} |
1900 |
|
|
1901 |
|
/* note: for packed_mode, output is performed when the special-N_VOP is decoded */ |
1902 |
|
if (!(dec->low_delay_default && dec->packed_mode)) |
1903 |
|
{ |
1904 |
|
if (dec->low_delay) |
1905 |
|
{ |
1906 |
|
decoder_output(dec, &dec->cur, dec->mbs, frame, reduced_resolution); |
1907 |
|
output = 1; |
1908 |
|
} |
1909 |
|
else if (dec->frames > 0) /* is the reference frame valid? */ |
1910 |
|
{ |
1911 |
|
/* output the reference frame */ |
1912 |
|
decoder_output(dec, &dec->refn[0], dec->last_mbs, frame, dec->last_reduced_resolution); |
1913 |
|
output = 1; |
1914 |
|
} |
1915 |
|
} |
1916 |
|
|
1917 |
|
image_swap(&dec->refn[0], &dec->refn[1]); |
1918 |
|
image_swap(&dec->cur, &dec->refn[0]); |
1919 |
|
mb_swap(&dec->mbs, &dec->last_mbs); |
1920 |
|
dec->last_reduced_resolution = reduced_resolution; |
1921 |
|
|
1922 |
|
dec->frames++; |
1923 |
|
seen_something = 1; |
1924 |
|
|
1925 |
|
}else{ /* B_VOP */ |
1926 |
|
|
1927 |
|
if (dec->low_delay) |
1928 |
|
{ |
1929 |
|
DPRINTF(DPRINTF_ERROR, "warning: bvop found in low_delay==1 stream"); |
1930 |
|
dec->low_delay = 1; |
1931 |
|
} |
1932 |
|
|
1933 |
|
if (dec->frames < 2) |
1934 |
|
{ |
1935 |
|
/* attemping to decode a bvop without atleast 2 reference frames */ |
1936 |
|
image_printf(&dec->cur, dec->edged_width, dec->height, 16, 16, |
1937 |
|
"broken b-frame, mising ref frames"); |
1938 |
|
}else if (dec->time_pp <= dec->time_bp) { |
1939 |
|
/* this occurs when dx50_bvop_compatibility==0 sequences are |
1940 |
|
decoded in vfw. */ |
1941 |
|
image_printf(&dec->cur, dec->edged_width, dec->height, 16, 16, |
1942 |
|
"broken b-frame, tpp=%i tbp=%i", dec->time_pp, dec->time_bp); |
1943 |
} else { |
} else { |
1944 |
DEBUG("broken B-frame!"); |
decoder_bframe(dec, &bs, quant, fcode_forward, fcode_backward); |
1945 |
} |
} |
|
break; |
|
1946 |
|
|
1947 |
case N_VOP : // vop not coded |
decoder_output(dec, &dec->cur, dec->mbs, frame, reduced_resolution); |
1948 |
break; |
output = 1; |
1949 |
|
dec->frames++; |
1950 |
|
} |
1951 |
|
|
1952 |
default : |
BitstreamByteAlign(&bs); |
1953 |
return XVID_ERR_FAIL; |
|
1954 |
|
/* low_delay_default mode: repeat in packed_mode */ |
1955 |
|
if (dec->low_delay_default && dec->packed_mode && output == 0 && success == 0) |
1956 |
|
{ |
1957 |
|
success = 1; |
1958 |
|
goto repeat; |
1959 |
} |
} |
1960 |
|
|
1961 |
frame->length = BitstreamPos(&bs) / 8; |
done : |
1962 |
|
|
1963 |
if (dec->frames >= 1){ |
/* low_delay_default mode: if we've gotten here without outputting anything, |
1964 |
start_timer(); |
then output the recently decoded frame, or print an error message */ |
1965 |
if ((vop_type == I_VOP || vop_type == P_VOP)) |
if (dec->low_delay_default && output == 0) |
1966 |
{ |
{ |
1967 |
image_output(&dec->refn[0], dec->width, dec->height, dec->edged_width, |
if (dec->packed_mode && seen_something) |
1968 |
frame->image, frame->stride, frame->colorspace); |
{ |
1969 |
} else if (vop_type == B_VOP) { |
/* output the recently decoded frame */ |
1970 |
image_output(&dec->cur, dec->width, dec->height, dec->edged_width, |
decoder_output(dec, &dec->refn[0], dec->last_mbs, frame, dec->last_reduced_resolution); |
1971 |
frame->image, frame->stride, frame->colorspace); |
output = 1; |
1972 |
|
} |
1973 |
|
else |
1974 |
|
{ |
1975 |
|
image_clear(&dec->cur, dec->width, dec->height, dec->edged_width, 0, 128, 128); |
1976 |
|
image_printf(&dec->cur, dec->edged_width, dec->height, 16, 16, |
1977 |
|
"warning: nothing to output"); |
1978 |
|
image_printf(&dec->cur, dec->edged_width, dec->height, 16, 64, |
1979 |
|
"bframe decoder lag"); |
1980 |
|
|
1981 |
|
decoder_output(dec, &dec->cur, NULL, frame, 1 /*disable pp*/); |
1982 |
} |
} |
|
stop_conv_timer(); |
|
1983 |
} |
} |
1984 |
if (vop_type==I_VOP || vop_type==P_VOP){ |
|
1985 |
image_swap(&dec->refn[0], &dec->refn[1]); |
frame->length = BitstreamPos(&bs) / 8; |
1986 |
image_swap(&dec->cur, &dec->refn[0]); |
|
1987 |
// swap MACROBLOCK |
if (stats) |
1988 |
if (vop_type==P_VOP) |
{ |
1989 |
mb_swap(&dec->mbs, &dec->last_mbs); |
stats->notify = output ? XVID_DEC_VOP : XVID_DEC_NOTHING; |
1990 |
|
stats->data.vop.time_base = (int)dec->time_base; |
1991 |
|
stats->data.vop.time_increment = 0; //XXX: todo |
1992 |
} |
} |
1993 |
|
|
1994 |
emms(); |
emms(); |