55 |
* 22.12.2001 lock based interpolation |
* 22.12.2001 lock based interpolation |
56 |
* 01.12.2001 inital version; (c)2001 peter ross <pross@cs.rmit.edu.au> |
* 01.12.2001 inital version; (c)2001 peter ross <pross@cs.rmit.edu.au> |
57 |
* |
* |
58 |
* $Id: decoder.c,v 1.37 2002-09-04 03:23:23 h Exp $ |
* $Id: decoder.c,v 1.37.2.10 2002-11-11 15:49:29 Isibaar Exp $ |
59 |
* |
* |
60 |
*************************************************************************/ |
*************************************************************************/ |
61 |
|
|
84 |
#include "prediction/mbprediction.h" |
#include "prediction/mbprediction.h" |
85 |
#include "utils/timer.h" |
#include "utils/timer.h" |
86 |
#include "utils/emms.h" |
#include "utils/emms.h" |
87 |
|
#include "motion/motion.h" |
88 |
|
|
89 |
#include "image/image.h" |
#include "image/image.h" |
90 |
#include "image/colorspace.h" |
#include "image/colorspace.h" |
91 |
#include "utils/mem_align.h" |
#include "utils/mem_align.h" |
92 |
|
|
93 |
int |
int |
94 |
decoder_create(XVID_DEC_PARAM * param) |
decoder_resize(DECODER * dec) |
95 |
{ |
{ |
96 |
DECODER *dec; |
/* free existing */ |
97 |
|
|
98 |
dec = xvid_malloc(sizeof(DECODER), CACHE_LINE); |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
99 |
if (dec == NULL) { |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
100 |
return XVID_ERR_MEMORY; |
image_destroy(&dec->refn[2], dec->edged_width, dec->edged_height); |
101 |
} |
image_destroy(&dec->refh, dec->edged_width, dec->edged_height); |
102 |
param->handle = dec; |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
103 |
|
|
104 |
dec->width = param->width; |
if (dec->last_mbs) |
105 |
dec->height = param->height; |
xvid_free(dec->last_mbs); |
106 |
|
if (dec->mbs) |
107 |
|
xvid_free(dec->mbs); |
108 |
|
|
109 |
|
/* realloc */ |
110 |
|
|
111 |
dec->mb_width = (dec->width + 15) / 16; |
dec->mb_width = (dec->width + 15) / 16; |
112 |
dec->mb_height = (dec->height + 15) / 16; |
dec->mb_height = (dec->height + 15) / 16; |
113 |
|
|
114 |
dec->edged_width = 16 * dec->mb_width + 2 * EDGE_SIZE; |
dec->edged_width = 16 * dec->mb_width + 2 * EDGE_SIZE; |
115 |
dec->edged_height = 16 * dec->mb_height + 2 * EDGE_SIZE; |
dec->edged_height = 16 * dec->mb_height + 2 * EDGE_SIZE; |
|
dec->low_delay = 0; |
|
116 |
|
|
117 |
if (image_create(&dec->cur, dec->edged_width, dec->edged_height)) { |
if (image_create(&dec->cur, dec->edged_width, dec->edged_height)) { |
118 |
xvid_free(dec); |
xvid_free(dec); |
124 |
xvid_free(dec); |
xvid_free(dec); |
125 |
return XVID_ERR_MEMORY; |
return XVID_ERR_MEMORY; |
126 |
} |
} |
127 |
|
|
128 |
// add by chenm001 <chenm001@163.com> |
// add by chenm001 <chenm001@163.com> |
129 |
// for support B-frame to reference last 2 frame |
// for support B-frame to reference last 2 frame |
130 |
if (image_create(&dec->refn[1], dec->edged_width, dec->edged_height)) { |
if (image_create(&dec->refn[1], dec->edged_width, dec->edged_height)) { |
141 |
return XVID_ERR_MEMORY; |
return XVID_ERR_MEMORY; |
142 |
} |
} |
143 |
|
|
144 |
|
if (image_create(&dec->refh, dec->edged_width, dec->edged_height)) { |
145 |
|
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
146 |
|
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
147 |
|
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
148 |
|
image_destroy(&dec->refn[2], dec->edged_width, dec->edged_height); |
149 |
|
xvid_free(dec); |
150 |
|
return XVID_ERR_MEMORY; |
151 |
|
} |
152 |
|
|
153 |
dec->mbs = |
dec->mbs = |
154 |
xvid_malloc(sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height, |
xvid_malloc(sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height, |
155 |
CACHE_LINE); |
CACHE_LINE); |
158 |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
159 |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
160 |
image_destroy(&dec->refn[2], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[2], dec->edged_width, dec->edged_height); |
161 |
|
image_destroy(&dec->refh, dec->edged_width, dec->edged_height); |
162 |
xvid_free(dec); |
xvid_free(dec); |
163 |
return XVID_ERR_MEMORY; |
return XVID_ERR_MEMORY; |
164 |
} |
} |
|
|
|
165 |
memset(dec->mbs, 0, sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height); |
memset(dec->mbs, 0, sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height); |
166 |
|
|
167 |
// add by chenm001 <chenm001@163.com> |
// add by chenm001 <chenm001@163.com> |
175 |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
176 |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
177 |
image_destroy(&dec->refn[2], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[2], dec->edged_width, dec->edged_height); |
178 |
|
image_destroy(&dec->refh, dec->edged_width, dec->edged_height); |
179 |
xvid_free(dec); |
xvid_free(dec); |
180 |
return XVID_ERR_MEMORY; |
return XVID_ERR_MEMORY; |
181 |
} |
} |
182 |
|
|
183 |
memset(dec->last_mbs, 0, sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height); |
memset(dec->last_mbs, 0, sizeof(MACROBLOCK) * dec->mb_width * dec->mb_height); |
184 |
|
|
185 |
|
return XVID_ERR_OK; |
186 |
|
} |
187 |
|
|
188 |
|
|
189 |
|
int |
190 |
|
decoder_create(XVID_DEC_PARAM * param) |
191 |
|
{ |
192 |
|
DECODER *dec; |
193 |
|
|
194 |
|
dec = xvid_malloc(sizeof(DECODER), CACHE_LINE); |
195 |
|
if (dec == NULL) { |
196 |
|
return XVID_ERR_MEMORY; |
197 |
|
} |
198 |
|
memset(dec, 0, sizeof(DECODER)); |
199 |
|
|
200 |
|
param->handle = dec; |
201 |
|
|
202 |
|
dec->width = param->width; |
203 |
|
dec->height = param->height; |
204 |
|
|
205 |
|
image_null(&dec->cur); |
206 |
|
image_null(&dec->refn[0]); |
207 |
|
image_null(&dec->refn[1]); |
208 |
|
image_null(&dec->refn[2]); |
209 |
|
image_null(&dec->refh); |
210 |
|
|
211 |
|
dec->mbs = NULL; |
212 |
|
dec->last_mbs = NULL; |
213 |
|
|
214 |
init_timer(); |
init_timer(); |
215 |
|
|
216 |
// add by chenm001 <chenm001@163.com> |
// add by chenm001 <chenm001@163.com> |
217 |
// for support B-frame to save reference frame's time |
// for support B-frame to save reference frame's time |
218 |
dec->frames = -1; |
dec->frames = -1; |
219 |
dec->time = dec->time_base = dec->last_time_base = 0; |
dec->time = dec->time_base = dec->last_time_base = 0; |
220 |
|
dec->low_delay = 0; |
221 |
|
|
222 |
|
dec->fixed_dimensions = (dec->width > 0 && dec->height > 0); |
223 |
|
|
224 |
|
if (dec->fixed_dimensions) |
225 |
|
return decoder_resize(dec); |
226 |
|
else |
227 |
return XVID_ERR_OK; |
return XVID_ERR_OK; |
228 |
} |
} |
229 |
|
|
236 |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[0], dec->edged_width, dec->edged_height); |
237 |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[1], dec->edged_width, dec->edged_height); |
238 |
image_destroy(&dec->refn[2], dec->edged_width, dec->edged_height); |
image_destroy(&dec->refn[2], dec->edged_width, dec->edged_height); |
239 |
|
image_destroy(&dec->refh, dec->edged_width, dec->edged_height); |
240 |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
image_destroy(&dec->cur, dec->edged_width, dec->edged_height); |
241 |
xvid_free(dec); |
xvid_free(dec); |
242 |
|
|
319 |
start_timer(); |
start_timer(); |
320 |
if (cbp & (1 << (5 - i))) // coded |
if (cbp & (1 << (5 - i))) // coded |
321 |
{ |
{ |
322 |
get_intra_block(bs, &block[i * 64], pMB->acpred_directions[i], |
int direction = dec->alternate_vertical_scan ? |
323 |
start_coeff); |
2 : pMB->acpred_directions[i]; |
324 |
|
|
325 |
|
get_intra_block(bs, &block[i * 64], direction, start_coeff); |
326 |
} |
} |
327 |
stop_coding_timer(); |
stop_coding_timer(); |
328 |
|
|
364 |
|
|
365 |
#define SIGN(X) (((X)>0)?1:-1) |
#define SIGN(X) (((X)>0)?1:-1) |
366 |
#define ABS(X) (((X)>0)?(X):-(X)) |
#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 }; |
|
|
|
|
367 |
|
|
368 |
// decode an inter macroblock |
// decode an inter macroblock |
369 |
|
|
400 |
|
|
401 |
if (dec->quarterpel) |
if (dec->quarterpel) |
402 |
{ |
{ |
403 |
uv_dx = (uv_dx >> 1) | (uv_dx & 1); |
uv_dx /= 2; |
404 |
uv_dy = (uv_dy >> 1) | (uv_dy & 1); |
uv_dy /= 2; |
405 |
} |
} |
406 |
|
|
407 |
uv_dx = (uv_dx & 3) ? (uv_dx >> 1) | 1 : uv_dx / 2; |
uv_dx = (uv_dx >> 1) + roundtab_79[uv_dx & 0x3]; |
408 |
uv_dy = (uv_dy & 3) ? (uv_dy >> 1) | 1 : uv_dy / 2; |
uv_dy = (uv_dy >> 1) + roundtab_79[uv_dy & 0x3]; |
409 |
|
|
410 |
|
start_timer(); |
411 |
|
if(dec->quarterpel) { |
412 |
|
interpolate16x16_quarterpel(dec->cur.y, dec->refn[0].y, dec->refh.y, dec->refh.y + 64, |
413 |
|
dec->refh.y + 128, 16*x_pos, 16*y_pos, |
414 |
|
pMB->mvs[0].x, pMB->mvs[0].y, stride, rounding); |
415 |
|
} |
416 |
|
else { |
417 |
|
interpolate8x8_switch(dec->cur.y, dec->refn[0].y, 16*x_pos, 16*y_pos, |
418 |
|
pMB->mvs[0].x, pMB->mvs[0].y, stride, rounding); |
419 |
|
interpolate8x8_switch(dec->cur.y, dec->refn[0].y, 16*x_pos + 8, 16*y_pos, |
420 |
|
pMB->mvs[1].x, pMB->mvs[1].y, stride, rounding); |
421 |
|
interpolate8x8_switch(dec->cur.y, dec->refn[0].y, 16*x_pos, 16*y_pos + 8, |
422 |
|
pMB->mvs[2].x, pMB->mvs[2].y, stride, rounding); |
423 |
|
interpolate8x8_switch(dec->cur.y, dec->refn[0].y, 16*x_pos + 8, 16*y_pos + 8, |
424 |
|
pMB->mvs[3].x, pMB->mvs[3].y, stride, rounding); |
425 |
|
} |
426 |
|
|
427 |
|
interpolate8x8_switch(dec->cur.u, dec->refn[0].u, 8 * x_pos, 8 * y_pos, |
428 |
|
uv_dx, uv_dy, stride2, rounding); |
429 |
|
interpolate8x8_switch(dec->cur.v, dec->refn[0].v, 8 * x_pos, 8 * y_pos, |
430 |
|
uv_dx, uv_dy, stride2, rounding); |
431 |
|
stop_comp_timer(); |
432 |
|
|
433 |
} else { |
} else { |
434 |
int sum; |
int sum; |
|
sum = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x; |
|
435 |
|
|
436 |
if (dec->quarterpel) |
if (dec->quarterpel) |
437 |
{ |
sum = (pMB->mvs[0].x / 2) + (pMB->mvs[1].x / 2) + (pMB->mvs[2].x / 2) + (pMB->mvs[3].x / 2); |
438 |
sum /= 2; |
else |
439 |
} |
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)); |
|
440 |
|
|
441 |
sum = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y; |
uv_dx = (sum >> 3) + roundtab_76[sum & 0xf]; |
442 |
|
|
443 |
if (dec->quarterpel) |
if (dec->quarterpel) |
444 |
{ |
sum = (pMB->mvs[0].y / 2) + (pMB->mvs[1].y / 2) + (pMB->mvs[2].y / 2) + (pMB->mvs[3].y / 2); |
445 |
sum /= 2; |
else |
446 |
} |
sum = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y; |
447 |
|
|
448 |
uv_dy = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2)); |
uv_dy = (sum >> 3) + roundtab_76[sum & 0xf]; |
|
} |
|
449 |
|
|
450 |
start_timer(); |
start_timer(); |
451 |
if(dec->quarterpel) { |
if(dec->quarterpel) { |
452 |
DEBUG("QUARTERPEL"); |
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y, dec->refh.y, dec->refh.y + 64, |
453 |
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y, 16*x_pos, 16*y_pos, |
dec->refh.y + 128, 16*x_pos, 16*y_pos, |
454 |
pMB->mvs[0].x, pMB->mvs[0].y, stride, rounding); |
pMB->mvs[0].x, pMB->mvs[0].y, stride, rounding); |
455 |
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y, 16*x_pos + 8, 16*y_pos, |
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y, dec->refh.y, dec->refh.y + 64, |
456 |
|
dec->refh.y + 128, 16*x_pos + 8, 16*y_pos, |
457 |
pMB->mvs[1].x, pMB->mvs[1].y, stride, rounding); |
pMB->mvs[1].x, pMB->mvs[1].y, stride, rounding); |
458 |
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y, 16*x_pos, 16*y_pos + 8, |
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y, dec->refh.y, dec->refh.y + 64, |
459 |
|
dec->refh.y + 128, 16*x_pos, 16*y_pos + 8, |
460 |
pMB->mvs[2].x, pMB->mvs[2].y, stride, rounding); |
pMB->mvs[2].x, pMB->mvs[2].y, stride, rounding); |
461 |
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y, 16*x_pos + 8, 16*y_pos + 8, |
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y, dec->refh.y, dec->refh.y + 64, |
462 |
|
dec->refh.y + 128, 16*x_pos + 8, 16*y_pos + 8, |
463 |
pMB->mvs[3].x, pMB->mvs[3].y, stride, rounding); |
pMB->mvs[3].x, pMB->mvs[3].y, stride, rounding); |
464 |
} |
} |
465 |
else { |
else { |
478 |
interpolate8x8_switch(dec->cur.v, dec->refn[0].v, 8 * x_pos, 8 * y_pos, |
interpolate8x8_switch(dec->cur.v, dec->refn[0].v, 8 * x_pos, 8 * y_pos, |
479 |
uv_dx, uv_dy, stride2, rounding); |
uv_dx, uv_dy, stride2, rounding); |
480 |
stop_comp_timer(); |
stop_comp_timer(); |
481 |
|
} |
482 |
|
|
483 |
for (i = 0; i < 6; i++) { |
for (i = 0; i < 6; i++) { |
484 |
|
int direction = dec->alternate_vertical_scan ? 2 : 0; |
485 |
|
|
486 |
if (cbp & (1 << (5 - i))) // coded |
if (cbp & (1 << (5 - i))) // coded |
487 |
{ |
{ |
488 |
memset(&block[i * 64], 0, 64 * sizeof(int16_t)); // clear |
memset(&block[i * 64], 0, 64 * sizeof(int16_t)); // clear |
489 |
|
|
490 |
start_timer(); |
start_timer(); |
491 |
get_inter_block(bs, &block[i * 64]); |
get_inter_block(bs, &block[i * 64], direction); |
492 |
stop_coding_timer(); |
stop_coding_timer(); |
493 |
|
|
494 |
start_timer(); |
start_timer(); |
530 |
void |
void |
531 |
decoder_iframe(DECODER * dec, |
decoder_iframe(DECODER * dec, |
532 |
Bitstream * bs, |
Bitstream * bs, |
533 |
|
int reduced_resolution, |
534 |
int quant, |
int quant, |
535 |
int intra_dc_threshold) |
int intra_dc_threshold) |
536 |
{ |
{ |
537 |
uint32_t bound; |
uint32_t bound; |
538 |
uint32_t x, y; |
uint32_t x, y; |
539 |
|
int mb_width = dec->mb_width; |
540 |
|
int mb_height = dec->mb_height; |
541 |
|
|
542 |
|
if (reduced_resolution) |
543 |
|
{ |
544 |
|
mb_width /= 2; |
545 |
|
mb_height /= 2; |
546 |
|
} |
547 |
|
|
548 |
bound = 0; |
bound = 0; |
549 |
|
|
550 |
for (y = 0; y < dec->mb_height; y++) { |
for (y = 0; y < mb_height; y++) { |
551 |
for (x = 0; x < dec->mb_width; x++) { |
for (x = 0; x < mb_width; x++) { |
552 |
MACROBLOCK *mb; |
MACROBLOCK *mb; |
553 |
uint32_t mcbpc; |
uint32_t mcbpc; |
554 |
uint32_t cbpc; |
uint32_t cbpc; |
561 |
|
|
562 |
if (check_resync_marker(bs, 0)) |
if (check_resync_marker(bs, 0)) |
563 |
{ |
{ |
564 |
bound = read_video_packet_header(bs, 0, &quant); |
bound = read_video_packet_header(bs, dec, 0, |
565 |
|
&quant, NULL, NULL, &intra_dc_threshold); |
566 |
x = bound % dec->mb_width; |
x = bound % dec->mb_width; |
567 |
y = bound / dec->mb_width; |
y = bound / dec->mb_width; |
568 |
} |
} |
600 |
|
|
601 |
decoder_mbintra(dec, mb, x, y, acpred_flag, cbp, bs, quant, |
decoder_mbintra(dec, mb, x, y, acpred_flag, cbp, bs, quant, |
602 |
intra_dc_threshold, bound); |
intra_dc_threshold, bound); |
603 |
|
|
604 |
} |
} |
605 |
if(dec->out_frm) |
if(dec->out_frm) |
606 |
output_slice(&dec->cur, dec->edged_width,dec->width,dec->out_frm,0,y,dec->mb_width); |
output_slice(&dec->cur, dec->edged_width,dec->width,dec->out_frm,0,y,dec->mb_width); |
|
|
|
607 |
} |
} |
608 |
|
|
609 |
} |
} |
652 |
|
|
653 |
mv->x = mv_x; |
mv->x = mv_x; |
654 |
mv->y = mv_y; |
mv->y = mv_y; |
655 |
|
} |
656 |
|
|
657 |
|
|
658 |
|
|
659 |
|
static __inline int gmc_sanitize(int value, int quarterpel, int fcode) |
660 |
|
{ |
661 |
|
int length = 1 << (fcode+4); |
662 |
|
|
663 |
|
if (quarterpel) value *= 2; |
664 |
|
|
665 |
|
if (value < -length) |
666 |
|
return -length; |
667 |
|
else if (value >= length) |
668 |
|
return length-1; |
669 |
|
else return value; |
670 |
} |
} |
671 |
|
|
672 |
|
|
673 |
|
/* for P_VOP set gmc_mv to NULL */ |
674 |
void |
void |
675 |
decoder_pframe(DECODER * dec, |
decoder_pframe(DECODER * dec, |
676 |
Bitstream * bs, |
Bitstream * bs, |
677 |
int rounding, |
int rounding, |
678 |
|
int reduced_resolution, |
679 |
int quant, |
int quant, |
680 |
int fcode, |
int fcode, |
681 |
int intra_dc_threshold) |
int intra_dc_threshold, |
682 |
|
VECTOR * gmc_mv) |
683 |
{ |
{ |
684 |
|
|
685 |
uint32_t x, y; |
uint32_t x, y; |
688 |
|
|
689 |
start_timer(); |
start_timer(); |
690 |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
691 |
dec->width, dec->height, dec->interlacing); |
dec->width, dec->height); |
692 |
stop_edges_timer(); |
stop_edges_timer(); |
693 |
|
|
694 |
bound = 0; |
bound = 0; |
704 |
|
|
705 |
if (check_resync_marker(bs, fcode - 1)) |
if (check_resync_marker(bs, fcode - 1)) |
706 |
{ |
{ |
707 |
bound = read_video_packet_header(bs, fcode - 1, &quant); |
bound = read_video_packet_header(bs, dec, fcode - 1, |
708 |
|
&quant, &fcode, NULL, &intra_dc_threshold); |
709 |
x = bound % dec->mb_width; |
x = bound % dec->mb_width; |
710 |
y = bound / dec->mb_width; |
y = bound / dec->mb_width; |
711 |
} |
} |
722 |
uint32_t cbpy; |
uint32_t cbpy; |
723 |
uint32_t cbp; |
uint32_t cbp; |
724 |
uint32_t intra; |
uint32_t intra; |
725 |
|
int mcsel = 0; // mcsel: '0'=local motion, '1'=GMC |
726 |
|
|
727 |
cp_mb++; |
cp_mb++; |
728 |
mcbpc = get_mcbpc_inter(bs); |
mcbpc = get_mcbpc_inter(bs); |
739 |
acpred_flag = BitstreamGetBit(bs); |
acpred_flag = BitstreamGetBit(bs); |
740 |
} |
} |
741 |
|
|
742 |
|
if (gmc_mv && (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q)) |
743 |
|
{ |
744 |
|
mcsel = BitstreamGetBit(bs); |
745 |
|
} |
746 |
|
|
747 |
cbpy = get_cbpy(bs, intra); |
cbpy = get_cbpy(bs, intra); |
748 |
DPRINTF(DPRINTF_MB, "cbpy %i", cbpy); |
DPRINTF(DPRINTF_MB, "cbpy %i", cbpy); |
749 |
|
|
782 |
} |
} |
783 |
|
|
784 |
if (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q) { |
if (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q) { |
785 |
if (dec->interlacing && mb->field_pred) { |
|
786 |
|
if (mcsel) |
787 |
|
{ |
788 |
|
mb->mvs[0].x = mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = gmc_sanitize(gmc_mv[0].x, dec->quarterpel, fcode); |
789 |
|
mb->mvs[0].y = mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = gmc_sanitize(gmc_mv[0].y, dec->quarterpel, fcode); |
790 |
|
|
791 |
|
} else if (dec->interlacing && mb->field_pred) { |
792 |
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[0], |
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[0], |
793 |
fcode, bound); |
fcode, bound); |
794 |
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[1], |
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[1], |
820 |
|
|
821 |
decoder_mbinter(dec, mb, x, y, acpred_flag, cbp, bs, quant, |
decoder_mbinter(dec, mb, x, y, acpred_flag, cbp, bs, quant, |
822 |
rounding); |
rounding); |
823 |
} else // not coded |
|
824 |
|
} |
825 |
|
else if (gmc_mv) /* not coded S_VOP macroblock */ |
826 |
|
{ |
827 |
|
mb->mode = MODE_NOT_CODED; |
828 |
|
mb->mvs[0].x = mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = gmc_sanitize(gmc_mv[0].x, dec->quarterpel, fcode); |
829 |
|
mb->mvs[0].y = mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = gmc_sanitize(gmc_mv[0].y, dec->quarterpel, fcode); |
830 |
|
decoder_mbinter(dec, mb, x, y, 0, 0, bs, quant, rounding); |
831 |
|
} |
832 |
|
else /* not coded P_VOP macroblock */ |
833 |
{ |
{ |
|
DEBUG2("P-frame MB at (X,Y)=",x,y); |
|
834 |
mb->mode = MODE_NOT_CODED; |
mb->mode = MODE_NOT_CODED; |
835 |
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; |
836 |
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; |
|
|
|
837 |
// copy macroblock directly from ref to cur |
// copy macroblock directly from ref to cur |
838 |
|
|
839 |
start_timer(); |
start_timer(); |
871 |
dec->refn[0].v + |
dec->refn[0].v + |
872 |
(8 * y) * dec->edged_width / 2 + (8 * x), |
(8 * y) * dec->edged_width / 2 + (8 * x), |
873 |
dec->edged_width / 2); |
dec->edged_width / 2); |
874 |
|
|
875 |
stop_transfer_timer(); |
stop_transfer_timer(); |
876 |
|
|
877 |
if(dec->out_frm && cp_mb > 0) { |
if(dec->out_frm && cp_mb > 0) { |
878 |
output_slice(&dec->cur, dec->edged_width,dec->width,dec->out_frm,st_mb,y,cp_mb); |
output_slice(&dec->cur, dec->edged_width,dec->width,dec->out_frm,st_mb,y,cp_mb); |
879 |
cp_mb = 0; |
cp_mb = 0; |
1001 |
stop_comp_timer(); |
stop_comp_timer(); |
1002 |
|
|
1003 |
for (i = 0; i < 6; i++) { |
for (i = 0; i < 6; i++) { |
1004 |
|
int direction = dec->alternate_vertical_scan ? 2 : 0; |
1005 |
|
|
1006 |
if (cbp & (1 << (5 - i))) // coded |
if (cbp & (1 << (5 - i))) // coded |
1007 |
{ |
{ |
1008 |
memset(&block[i * 64], 0, 64 * sizeof(int16_t)); // clear |
memset(&block[i * 64], 0, 64 * sizeof(int16_t)); // clear |
1009 |
|
|
1010 |
start_timer(); |
start_timer(); |
1011 |
get_inter_block(bs, &block[i * 64]); |
get_inter_block(bs, &block[i * 64], direction); |
1012 |
stop_coding_timer(); |
stop_coding_timer(); |
1013 |
|
|
1014 |
start_timer(); |
start_timer(); |
1046 |
stop_transfer_timer(); |
stop_transfer_timer(); |
1047 |
} |
} |
1048 |
|
|
|
|
|
1049 |
// add by MinChen <chenm001@163.com> |
// add by MinChen <chenm001@163.com> |
1050 |
// decode an B-frame direct & inter macroblock |
// decode an B-frame direct & inter macroblock |
1051 |
void |
void |
1153 |
interpolate8x8_switch(dec->refn[2].v, backward.v, 8 * x_pos, 8 * y_pos, |
interpolate8x8_switch(dec->refn[2].v, backward.v, 8 * x_pos, 8 * y_pos, |
1154 |
b_uv_dx, b_uv_dy, stride2, 0); |
b_uv_dx, b_uv_dy, stride2, 0); |
1155 |
|
|
1156 |
interpolate8x8_c(dec->cur.y, dec->refn[2].y, 16 * x_pos, 16 * y_pos, |
interpolate8x8_avg2(dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
1157 |
stride); |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
1158 |
interpolate8x8_c(dec->cur.y, dec->refn[2].y, 16 * x_pos + 8, 16 * y_pos, |
dec->refn[2].y + (16 * y_pos * stride) + 16 * x_pos, |
1159 |
stride); |
stride, 0); |
1160 |
interpolate8x8_c(dec->cur.y, dec->refn[2].y, 16 * x_pos, 16 * y_pos + 8, |
|
1161 |
stride); |
interpolate8x8_avg2(dec->cur.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
1162 |
interpolate8x8_c(dec->cur.y, dec->refn[2].y, 16 * x_pos + 8, |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
1163 |
16 * y_pos + 8, stride); |
dec->refn[2].y + (16 * y_pos * stride) + 16 * x_pos + 8, |
1164 |
interpolate8x8_c(dec->cur.u, dec->refn[2].u, 8 * x_pos, 8 * y_pos, |
stride, 0); |
1165 |
stride2); |
|
1166 |
interpolate8x8_c(dec->cur.v, dec->refn[2].v, 8 * x_pos, 8 * y_pos, |
interpolate8x8_avg2(dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
1167 |
stride2); |
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
1168 |
|
dec->refn[2].y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
1169 |
|
stride, 0); |
1170 |
|
|
1171 |
|
interpolate8x8_avg2(dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
1172 |
|
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
1173 |
|
dec->refn[2].y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
1174 |
|
stride, 0); |
1175 |
|
|
1176 |
|
interpolate8x8_avg2(dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
1177 |
|
dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
1178 |
|
dec->refn[2].u + (8 * y_pos * stride2) + 8 * x_pos, |
1179 |
|
stride2, 0); |
1180 |
|
|
1181 |
|
interpolate8x8_avg2(dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
1182 |
|
dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
1183 |
|
dec->refn[2].v + (8 * y_pos * stride2) + 8 * x_pos, |
1184 |
|
stride2, 0); |
1185 |
|
|
1186 |
stop_comp_timer(); |
stop_comp_timer(); |
1187 |
|
|
1188 |
for (i = 0; i < 6; i++) { |
for (i = 0; i < 6; i++) { |
1189 |
|
int direction = dec->alternate_vertical_scan ? 2 : 0; |
1190 |
|
|
1191 |
if (cbp & (1 << (5 - i))) // coded |
if (cbp & (1 << (5 - i))) // coded |
1192 |
{ |
{ |
1193 |
memset(&block[i * 64], 0, 64 * sizeof(int16_t)); // clear |
memset(&block[i * 64], 0, 64 * sizeof(int16_t)); // clear |
1194 |
|
|
1195 |
start_timer(); |
start_timer(); |
1196 |
get_inter_block(bs, &block[i * 64]); |
get_inter_block(bs, &block[i * 64], direction); |
1197 |
stop_coding_timer(); |
stop_coding_timer(); |
1198 |
|
|
1199 |
start_timer(); |
start_timer(); |
1288 |
|
|
1289 |
start_timer(); |
start_timer(); |
1290 |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
1291 |
dec->width, dec->height, dec->interlacing); |
dec->width, dec->height); |
1292 |
image_setedges(&dec->refn[1], dec->edged_width, dec->edged_height, |
image_setedges(&dec->refn[1], dec->edged_width, dec->edged_height, |
1293 |
dec->width, dec->height, dec->interlacing); |
dec->width, dec->height); |
1294 |
stop_edges_timer(); |
stop_edges_timer(); |
1295 |
|
|
1296 |
#ifdef BFRAMES_DEC_DEBUG |
#ifdef BFRAMES_DEC_DEBUG |
1451 |
|
|
1452 |
int |
int |
1453 |
decoder_decode(DECODER * dec, |
decoder_decode(DECODER * dec, |
1454 |
XVID_DEC_FRAME * frame) |
XVID_DEC_FRAME * frame, XVID_DEC_STATS * stats) |
1455 |
{ |
{ |
1456 |
|
|
1457 |
Bitstream bs; |
Bitstream bs; |
1458 |
uint32_t rounding; |
uint32_t rounding; |
1459 |
|
uint32_t reduced_resolution; |
1460 |
uint32_t quant; |
uint32_t quant; |
1461 |
uint32_t fcode_forward; |
uint32_t fcode_forward; |
1462 |
uint32_t fcode_backward; |
uint32_t fcode_backward; |
1463 |
uint32_t intra_dc_threshold; |
uint32_t intra_dc_threshold; |
1464 |
|
VECTOR gmc_mv[5]; |
1465 |
uint32_t vop_type; |
uint32_t vop_type; |
1466 |
|
|
1467 |
start_global_timer(); |
start_global_timer(); |
1470 |
|
|
1471 |
BitstreamInit(&bs, frame->bitstream, frame->length); |
BitstreamInit(&bs, frame->bitstream, frame->length); |
1472 |
|
|
1473 |
|
// XXX: 0x7f is only valid whilst decoding vfw xvid/divx5 avi's |
1474 |
|
if(frame->length == 1 && BitstreamShowBits(&bs, 8) == 0x7f) |
1475 |
|
{ |
1476 |
|
if (stats) |
1477 |
|
stats->notify = XVID_DEC_VOP; |
1478 |
|
frame->length = 1; |
1479 |
|
image_output(&dec->refn[0], dec->width, dec->height, dec->edged_width, |
1480 |
|
frame->image, frame->stride, frame->colorspace, dec->interlacing); |
1481 |
|
emms(); |
1482 |
|
return XVID_ERR_OK; |
1483 |
|
} |
1484 |
|
|
1485 |
// add by chenm001 <chenm001@163.com> |
// add by chenm001 <chenm001@163.com> |
1486 |
// for support B-frame to reference last 2 frame |
// for support B-frame to reference last 2 frame |
1487 |
dec->frames++; |
dec->frames++; |
1488 |
|
|
1489 |
|
xxx: |
1490 |
vop_type = |
vop_type = |
1491 |
BitstreamReadHeaders(&bs, dec, &rounding, &quant, &fcode_forward, |
BitstreamReadHeaders(&bs, dec, &rounding, &reduced_resolution, |
1492 |
&fcode_backward, &intra_dc_threshold); |
&quant, &fcode_forward, &fcode_backward, &intra_dc_threshold, gmc_mv); |
1493 |
|
|
1494 |
|
DPRINTF(DPRINTF_HEADER, "vop_type=%i", vop_type); |
1495 |
|
|
1496 |
|
if (vop_type == -2 || vop_type == -3) |
1497 |
|
{ |
1498 |
|
if (vop_type == -3) |
1499 |
|
decoder_resize(dec); |
1500 |
|
|
1501 |
|
if (stats) |
1502 |
|
{ |
1503 |
|
stats->notify = XVID_DEC_VOL; |
1504 |
|
stats->data.vol.general = 0; |
1505 |
|
if (dec->interlacing) |
1506 |
|
stats->data.vol.general |= XVID_INTERLACING; |
1507 |
|
stats->data.vol.width = dec->width; |
1508 |
|
stats->data.vol.height = dec->height; |
1509 |
|
stats->data.vol.aspect_ratio = dec->aspect_ratio; |
1510 |
|
stats->data.vol.par_width = dec->par_width; |
1511 |
|
stats->data.vol.par_height = dec->par_height; |
1512 |
|
frame->length = BitstreamPos(&bs) / 8; |
1513 |
|
return XVID_ERR_OK; |
1514 |
|
} |
1515 |
|
goto xxx; |
1516 |
|
} |
1517 |
|
|
1518 |
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 |
1519 |
|
|
1520 |
switch (vop_type) { |
switch (vop_type) { |
1521 |
case P_VOP: |
case P_VOP: |
1522 |
decoder_pframe(dec, &bs, rounding, quant, fcode_forward, |
decoder_pframe(dec, &bs, rounding, reduced_resolution, quant, |
1523 |
intra_dc_threshold); |
fcode_forward, intra_dc_threshold, NULL); |
1524 |
#ifdef BFRAMES_DEC |
#ifdef BFRAMES_DEC |
1525 |
DEBUG1("P_VOP Time=", dec->time); |
DEBUG1("P_VOP Time=", dec->time); |
1526 |
#endif |
#endif |
1527 |
break; |
break; |
1528 |
|
|
1529 |
case I_VOP: |
case I_VOP: |
1530 |
decoder_iframe(dec, &bs, quant, intra_dc_threshold); |
decoder_iframe(dec, &bs, reduced_resolution, quant, intra_dc_threshold); |
1531 |
#ifdef BFRAMES_DEC |
#ifdef BFRAMES_DEC |
1532 |
DEBUG1("I_VOP Time=", dec->time); |
DEBUG1("I_VOP Time=", dec->time); |
1533 |
#endif |
#endif |
1546 |
#endif |
#endif |
1547 |
break; |
break; |
1548 |
|
|
1549 |
|
case S_VOP : |
1550 |
|
decoder_pframe(dec, &bs, rounding, reduced_resolution, quant, |
1551 |
|
fcode_forward, intra_dc_threshold, gmc_mv); |
1552 |
|
break; |
1553 |
|
|
1554 |
case N_VOP: // vop not coded |
case N_VOP: // vop not coded |
1555 |
// when low_delay==0, N_VOP's should interpolate between the past and future frames |
// when low_delay==0, N_VOP's should interpolate between the past and future frames |
1556 |
image_copy(&dec->cur, &dec->refn[0], dec->edged_width, dec->height); |
image_copy(&dec->cur, &dec->refn[0], dec->edged_width, dec->height); |
1557 |
|
#ifdef BFRAMES_DEC |
1558 |
|
DEBUG1("N_VOP Time=", dec->time); |
1559 |
|
#endif |
1560 |
break; |
break; |
1561 |
|
|
1562 |
default: |
default: |
1563 |
|
if (stats) |
1564 |
|
stats->notify = 0; |
1565 |
return XVID_ERR_FAIL; |
return XVID_ERR_FAIL; |
1566 |
} |
} |
1567 |
|
|
1578 |
if (dec->low_delay || dec->frames == 0) { |
if (dec->low_delay || dec->frames == 0) { |
1579 |
#endif |
#endif |
1580 |
image_output(&dec->cur, dec->width, dec->height, dec->edged_width, |
image_output(&dec->cur, dec->width, dec->height, dec->edged_width, |
1581 |
frame->image, frame->stride, frame->colorspace); |
frame->image, frame->stride, frame->colorspace, dec->interlacing); |
1582 |
|
|
1583 |
#ifdef BFRAMES_DEC |
#ifdef BFRAMES_DEC |
1584 |
} else { |
} else { |
1585 |
if (dec->frames >= 1) { |
if (dec->frames >= 1) { |
1586 |
start_timer(); |
start_timer(); |
1587 |
if ((vop_type == I_VOP || vop_type == P_VOP)) { |
if ((vop_type == I_VOP || vop_type == P_VOP || vop_type == S_VOP)) { |
1588 |
image_output(&dec->refn[0], dec->width, dec->height, |
image_output(&dec->refn[0], dec->width, dec->height, |
1589 |
dec->edged_width, frame->image, frame->stride, |
dec->edged_width, frame->image, frame->stride, |
1590 |
frame->colorspace); |
frame->colorspace, dec->interlacing); |
1591 |
} else if (vop_type == B_VOP) { |
} else if (vop_type == B_VOP) { |
1592 |
image_output(&dec->cur, dec->width, dec->height, |
image_output(&dec->cur, dec->width, dec->height, |
1593 |
dec->edged_width, frame->image, frame->stride, |
dec->edged_width, frame->image, frame->stride, |
1594 |
frame->colorspace); |
frame->colorspace, dec->interlacing); |
1595 |
} |
} |
1596 |
stop_conv_timer(); |
stop_conv_timer(); |
1597 |
} |
} |
1598 |
} |
} |
1599 |
#endif |
#endif |
1600 |
|
|
1601 |
if (vop_type == I_VOP || vop_type == P_VOP) { |
if (vop_type == I_VOP || vop_type == P_VOP || vop_type == S_VOP) { |
1602 |
image_swap(&dec->refn[0], &dec->refn[1]); |
image_swap(&dec->refn[0], &dec->refn[1]); |
1603 |
image_swap(&dec->cur, &dec->refn[0]); |
image_swap(&dec->cur, &dec->refn[0]); |
1604 |
|
|
1614 |
mb_swap(&dec->mbs, &dec->last_mbs); |
mb_swap(&dec->mbs, &dec->last_mbs); |
1615 |
} |
} |
1616 |
|
|
1617 |
|
if (stats) |
1618 |
|
{ |
1619 |
|
stats->notify = XVID_DEC_VOP; |
1620 |
|
stats->data.vop.time_base = (int)dec->time_base; |
1621 |
|
stats->data.vop.time_increment = 0; //XXX: todo |
1622 |
|
} |
1623 |
|
|
1624 |
emms(); |
emms(); |
1625 |
|
|
1626 |
stop_global_timer(); |
stop_global_timer(); |