4 |
* - Decoder Module - |
* - Decoder Module - |
5 |
* |
* |
6 |
* Copyright(C) 2002 MinChen <chenm001@163.com> |
* Copyright(C) 2002 MinChen <chenm001@163.com> |
7 |
* 2002-2003 Peter Ross <pross@xvid.org> |
* 2002-2004 Peter Ross <pross@xvid.org> |
8 |
* |
* |
9 |
* This program is free software ; you can redistribute it and/or modify |
* This program is free software ; you can redistribute it and/or modify |
10 |
* it under the terms of the GNU General Public License as published by |
* it under the terms of the GNU General Public License as published by |
222 |
dec->time = dec->time_base = dec->last_time_base = 0; |
dec->time = dec->time_base = dec->last_time_base = 0; |
223 |
dec->low_delay = 0; |
dec->low_delay = 0; |
224 |
dec->packed_mode = 0; |
dec->packed_mode = 0; |
225 |
|
dec->time_inc_resolution = 1; /* until VOL header says otherwise */ |
226 |
|
|
227 |
dec->fixed_dimensions = (dec->width > 0 && dec->height > 0); |
dec->fixed_dimensions = (dec->width > 0 && dec->height > 0); |
228 |
|
|
339 |
stop_coding_timer(); |
stop_coding_timer(); |
340 |
|
|
341 |
start_timer(); |
start_timer(); |
342 |
add_acdc(pMB, i, &block[i * 64], iDcScaler, predictors); |
add_acdc(pMB, i, &block[i * 64], iDcScaler, predictors, dec->bs_version); |
343 |
stop_prediction_timer(); |
stop_prediction_timer(); |
344 |
|
|
345 |
start_timer(); |
start_timer(); |
393 |
const int reduced_resolution, |
const int reduced_resolution, |
394 |
const MACROBLOCK * pMB) |
const MACROBLOCK * pMB) |
395 |
{ |
{ |
|
DECLARE_ALIGNED_MATRIX(block, 1, 64, int16_t, CACHE_LINE); |
|
396 |
DECLARE_ALIGNED_MATRIX(data, 6, 64, int16_t, CACHE_LINE); |
DECLARE_ALIGNED_MATRIX(data, 6, 64, int16_t, CACHE_LINE); |
397 |
|
|
398 |
int stride = dec->edged_width; |
int stride = dec->edged_width; |
401 |
int i; |
int i; |
402 |
const uint32_t iQuant = pMB->quant; |
const uint32_t iQuant = pMB->quant; |
403 |
const int direction = dec->alternate_vertical_scan ? 2 : 0; |
const int direction = dec->alternate_vertical_scan ? 2 : 0; |
404 |
const quant_interFuncPtr dequant = dec->quant_type == 0 ? dequant_h263_inter : dequant_mpeg_inter; |
typedef void (*get_inter_block_function_t)( |
405 |
|
Bitstream * bs, |
406 |
|
int16_t * block, |
407 |
|
int direction, |
408 |
|
const int quant, |
409 |
|
const uint16_t *matrix); |
410 |
|
|
411 |
|
const get_inter_block_function_t get_inter_block = (dec->quant_type == 0) |
412 |
|
? get_inter_block_h263 |
413 |
|
: get_inter_block_mpeg; |
414 |
|
|
415 |
|
memset(&data[0], 0, 6*64*sizeof(int16_t)); /* clear */ |
416 |
|
|
417 |
for (i = 0; i < 6; i++) { |
for (i = 0; i < 6; i++) { |
418 |
|
|
419 |
if (cbp & (1 << (5 - i))) { /* coded */ |
if (cbp & (1 << (5 - i))) { /* coded */ |
420 |
|
|
|
memset(block, 0, 64 * sizeof(int16_t)); /* clear */ |
|
421 |
|
|
422 |
|
/* Decode coeffs and dequantize on the fly */ |
423 |
start_timer(); |
start_timer(); |
424 |
get_inter_block(bs, block, direction); |
get_inter_block(bs, &data[i*64], direction, iQuant, get_inter_matrix(dec->mpeg_quant_matrices)); |
425 |
stop_coding_timer(); |
stop_coding_timer(); |
426 |
|
|
427 |
start_timer(); |
start_timer(); |
|
dequant(&data[i * 64], block, iQuant, dec->mpeg_quant_matrices); |
|
|
stop_iquant_timer(); |
|
|
|
|
|
start_timer(); |
|
428 |
idct(&data[i * 64]); |
idct(&data[i * 64]); |
429 |
stop_idct_timer(); |
stop_idct_timer(); |
430 |
} |
} |
503 |
mv[i] = pMB->mvs[i]; |
mv[i] = pMB->mvs[i]; |
504 |
} |
} |
505 |
|
|
506 |
|
for (i = 0; i < 4; i++) { |
507 |
|
/* clip to valid range */ |
508 |
|
int border = (int)(dec->mb_width - x_pos) << (5 + dec->quarterpel); |
509 |
|
if (mv[i].x > border) { |
510 |
|
DPRINTF(XVID_DEBUG_MV, "mv.x > max -- %d > %d, MB %d, %d", mv[i].x, border, x_pos, y_pos); |
511 |
|
mv[i].x = border; |
512 |
|
} else { |
513 |
|
border = (-(int)x_pos-1) << (5 + dec->quarterpel); |
514 |
|
if (mv[i].x < border) { |
515 |
|
DPRINTF(XVID_DEBUG_MV, "mv.x < min -- %d < %d, MB %d, %d", mv[i].x, border, x_pos, y_pos); |
516 |
|
mv[i].x = border; |
517 |
|
} |
518 |
|
} |
519 |
|
|
520 |
|
border = (int)(dec->mb_height - y_pos) << (5 + dec->quarterpel); |
521 |
|
if (mv[i].y > border) { |
522 |
|
DPRINTF(XVID_DEBUG_MV, "mv.y > max -- %d > %d, MB %d, %d", mv[i].y, border, x_pos, y_pos); |
523 |
|
mv[i].y = border; |
524 |
|
} else { |
525 |
|
border = (-(int)y_pos-1) << (5 + dec->quarterpel); |
526 |
|
if (mv[i].y < border) { |
527 |
|
DPRINTF(XVID_DEBUG_MV, "mv.y < min -- %d < %d, MB %d, %d", mv[i].y, border, x_pos, y_pos); |
528 |
|
mv[i].y = border; |
529 |
|
} |
530 |
|
} |
531 |
|
} |
532 |
|
|
533 |
start_timer(); |
start_timer(); |
534 |
|
|
535 |
if (pMB->mode != MODE_INTER4V) { /* INTER, INTER_Q, NOT_CODED, FORWARD, BACKWARD */ |
if (pMB->mode != MODE_INTER4V) { /* INTER, INTER_Q, NOT_CODED, FORWARD, BACKWARD */ |
795 |
mv.y -= range; |
mv.y -= range; |
796 |
} |
} |
797 |
|
|
|
/* clip to valid range */ |
|
|
|
|
|
if (mv.x > ((int)(dec->mb_width - x) << (5 + dec->quarterpel)) ) |
|
|
mv.x = (int)(dec->mb_width - x) << (5 + dec->quarterpel); |
|
|
|
|
|
else if (mv.x < (int)(-x-1) << (5 + dec->quarterpel)) |
|
|
mv.x = (int)(-x-1) << (5 + dec->quarterpel); |
|
|
|
|
|
if (mv.y > ((int)(dec->mb_height - y) << (5 + dec->quarterpel)) ) |
|
|
mv.y = (int)(dec->mb_height - y) << (5 + dec->quarterpel); |
|
|
|
|
|
else if (mv.y < ((int)(-y-1)) << (5 + dec->quarterpel) ) |
|
|
mv.y = (int)(-y-1) << (5 + dec->quarterpel); |
|
|
|
|
798 |
ret_mv->x = mv.x; |
ret_mv->x = mv.x; |
799 |
ret_mv->y = mv.y; |
ret_mv->y = mv.y; |
800 |
} |
} |
821 |
mb_height = (dec->height + 31) / 32; |
mb_height = (dec->height + 31) / 32; |
822 |
} |
} |
823 |
|
|
824 |
|
if (!dec->is_edged[0]) { |
825 |
start_timer(); |
start_timer(); |
826 |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
827 |
dec->width, dec->height, dec->bs_version); |
dec->width, dec->height, dec->bs_version); |
828 |
|
dec->is_edged[0] = 1; |
829 |
stop_edges_timer(); |
stop_edges_timer(); |
830 |
|
} |
831 |
|
|
832 |
if (gmc_warp) { |
if (gmc_warp) { |
833 |
/* accuracy: 0==1/2, 1=1/4, 2=1/8, 3=1/16 */ |
/* accuracy: 0==1/2, 1=1/4, 2=1/8, 3=1/16 */ |
1009 |
else if (mv_y > high) |
else if (mv_y > high) |
1010 |
mv_y -= range; |
mv_y -= range; |
1011 |
|
|
|
|
|
|
/* clip to valid range */ |
|
|
if (mv_x > ((int)(dec->mb_width - x) << (5 + dec->quarterpel)) ) |
|
|
mv_x = (int)(dec->mb_width - x) << (5 + dec->quarterpel); |
|
|
|
|
|
else if (mv_x < (int)(-x-1) << (5 + dec->quarterpel)) |
|
|
mv_x = (int)(-x-1) << (5 + dec->quarterpel); |
|
|
|
|
|
if (mv_y > ((int)(dec->mb_height - y) << (5 + dec->quarterpel)) ) |
|
|
mv_y = (int)(dec->mb_height - y) << (5 + dec->quarterpel); |
|
|
|
|
|
else if (mv_y < ((int)(-y-1)) << (5 + dec->quarterpel) ) |
|
|
mv_y = (int)(-y-1) << (5 + dec->quarterpel); |
|
|
|
|
1012 |
mv->x = mv_x; |
mv->x = mv_x; |
1013 |
mv->y = mv_y; |
mv->y = mv_y; |
1014 |
} |
} |
1224 |
uint32_t x, y; |
uint32_t x, y; |
1225 |
VECTOR mv; |
VECTOR mv; |
1226 |
const VECTOR zeromv = {0,0}; |
const VECTOR zeromv = {0,0}; |
|
const int64_t TRB = dec->time_pp - dec->time_bp, TRD = dec->time_pp; |
|
1227 |
int i; |
int i; |
1228 |
|
|
1229 |
|
if (!dec->is_edged[0]) { |
1230 |
start_timer(); |
start_timer(); |
1231 |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
1232 |
dec->width, dec->height, dec->bs_version); |
dec->width, dec->height, dec->bs_version); |
1233 |
|
dec->is_edged[0] = 1; |
1234 |
|
stop_edges_timer(); |
1235 |
|
} |
1236 |
|
|
1237 |
|
if (!dec->is_edged[1]) { |
1238 |
|
start_timer(); |
1239 |
image_setedges(&dec->refn[1], dec->edged_width, dec->edged_height, |
image_setedges(&dec->refn[1], dec->edged_width, dec->edged_height, |
1240 |
dec->width, dec->height, dec->bs_version); |
dec->width, dec->height, dec->bs_version); |
1241 |
|
dec->is_edged[1] = 1; |
1242 |
stop_edges_timer(); |
stop_edges_timer(); |
1243 |
|
} |
1244 |
|
|
1245 |
for (y = 0; y < dec->mb_height; y++) { |
for (y = 0; y < dec->mb_height; y++) { |
1246 |
/* Initialize Pred Motion Vector */ |
/* Initialize Pred Motion Vector */ |
1327 |
|
|
1328 |
case MODE_DIRECT_NONE_MV: |
case MODE_DIRECT_NONE_MV: |
1329 |
for (i = 0; i < 4; i++) { |
for (i = 0; i < 4; i++) { |
1330 |
mb->mvs[i].x = (int32_t) ((TRB * last_mb->mvs[i].x) / TRD + mv.x); |
mb->mvs[i].x = last_mb->mvs[i].x*dec->time_bp/dec->time_pp + mv.x; |
1331 |
mb->b_mvs[i].x = (int32_t) ((mv.x == 0) |
mb->mvs[i].y = last_mb->mvs[i].y*dec->time_bp/dec->time_pp + mv.y; |
1332 |
? ((TRB - TRD) * last_mb->mvs[i].x) / TRD |
|
1333 |
: mb->mvs[i].x - last_mb->mvs[i].x); |
mb->b_mvs[i].x = (mv.x) |
1334 |
mb->mvs[i].y = (int32_t) ((TRB * last_mb->mvs[i].y) / TRD + mv.y); |
? mb->mvs[i].x - last_mb->mvs[i].x |
1335 |
mb->b_mvs[i].y = (int32_t) ((mv.y == 0) |
: last_mb->mvs[i].x*(dec->time_bp - dec->time_pp)/dec->time_pp; |
1336 |
? ((TRB - TRD) * last_mb->mvs[i].y) / TRD |
mb->b_mvs[i].y = (mv.y) |
1337 |
: mb->mvs[i].y - last_mb->mvs[i].y); |
? mb->mvs[i].y - last_mb->mvs[i].y |
1338 |
|
: last_mb->mvs[i].y*(dec->time_bp - dec->time_pp)/dec->time_pp; |
1339 |
} |
} |
1340 |
|
|
1341 |
decoder_bf_interpolate_mbinter(dec, dec->refn[1], dec->refn[0], |
decoder_bf_interpolate_mbinter(dec, dec->refn[1], dec->refn[0], |
1379 |
xvid_dec_frame_t * frame, xvid_dec_stats_t * stats, |
xvid_dec_frame_t * frame, xvid_dec_stats_t * stats, |
1380 |
int coding_type, int quant) |
int coding_type, int quant) |
1381 |
{ |
{ |
1382 |
|
const int brightness = XVID_VERSION_MINOR(frame->version) >= 1 ? frame->brightness : 0; |
1383 |
|
|
1384 |
if (dec->cartoon_mode) |
if (dec->cartoon_mode) |
1385 |
frame->general &= ~XVID_FILMEFFECT; |
frame->general &= ~XVID_FILMEFFECT; |
1386 |
|
|
1387 |
if (frame->general & (XVID_DEBLOCKY|XVID_DEBLOCKUV|XVID_FILMEFFECT) && mbs != NULL) /* post process */ |
if ((frame->general & (XVID_DEBLOCKY|XVID_DEBLOCKUV|XVID_FILMEFFECT) || brightness!=0) |
1388 |
|
&& mbs != NULL) /* post process */ |
1389 |
{ |
{ |
1390 |
/* note: image is stored to tmp */ |
/* note: image is stored to tmp */ |
1391 |
image_copy(&dec->tmp, img, dec->edged_width, dec->height); |
image_copy(&dec->tmp, img, dec->edged_width, dec->height); |
1392 |
image_postproc(&dec->postproc, &dec->tmp, dec->edged_width, |
image_postproc(&dec->postproc, &dec->tmp, dec->edged_width, |
1393 |
mbs, dec->mb_width, dec->mb_height, dec->mb_width, |
mbs, dec->mb_width, dec->mb_height, dec->mb_width, |
1394 |
frame->general, dec->frames, (coding_type == B_VOP)); |
frame->general, brightness, dec->frames, (coding_type == B_VOP)); |
1395 |
img = &dec->tmp; |
img = &dec->tmp; |
1396 |
} |
} |
1397 |
|
|
1511 |
goto repeat; |
goto repeat; |
1512 |
} |
} |
1513 |
|
|
1514 |
|
if(dec->frames == 0 && coding_type != I_VOP) { |
1515 |
|
/* 1st frame is not an i-vop */ |
1516 |
|
goto repeat; |
1517 |
|
} |
1518 |
|
|
1519 |
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 */ |
1520 |
|
|
1521 |
/* packed_mode: special-N_VOP treament */ |
/* packed_mode: special-N_VOP treament */ |
1565 |
} |
} |
1566 |
|
|
1567 |
image_swap(&dec->refn[0], &dec->refn[1]); |
image_swap(&dec->refn[0], &dec->refn[1]); |
1568 |
|
dec->is_edged[1] = dec->is_edged[0]; |
1569 |
image_swap(&dec->cur, &dec->refn[0]); |
image_swap(&dec->cur, &dec->refn[0]); |
1570 |
|
dec->is_edged[0] = 0; |
1571 |
SWAP(MACROBLOCK *, dec->mbs, dec->last_mbs); |
SWAP(MACROBLOCK *, dec->mbs, dec->last_mbs); |
1572 |
dec->last_reduced_resolution = reduced_resolution; |
dec->last_reduced_resolution = reduced_resolution; |
1573 |
dec->last_coding_type = coding_type; |
dec->last_coding_type = coding_type; |
1579 |
|
|
1580 |
if (dec->low_delay) { |
if (dec->low_delay) { |
1581 |
DPRINTF(XVID_DEBUG_ERROR, "warning: bvop found in low_delay==1 stream\n"); |
DPRINTF(XVID_DEBUG_ERROR, "warning: bvop found in low_delay==1 stream\n"); |
1582 |
dec->low_delay = 1; |
dec->low_delay = 0; |
1583 |
} |
} |
1584 |
|
|
1585 |
if (dec->frames < 2) { |
if (dec->frames < 2) { |