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 |
303 |
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|
304 |
start_timer(); |
start_timer(); |
305 |
predict_acdc(dec->mbs, x_pos, y_pos, dec->mb_width, i, &block[i * 64], |
predict_acdc(dec->mbs, x_pos, y_pos, dec->mb_width, i, &block[i * 64], |
306 |
iQuant, iDcScaler, predictors, bound); |
iQuant, iDcScaler, predictors, bound, dec->bs_version); |
307 |
if (!acpred_flag) { |
if (!acpred_flag) { |
308 |
pMB->acpred_directions[i] = 0; |
pMB->acpred_directions[i] = 0; |
309 |
} |
} |
339 |
stop_coding_timer(); |
stop_coding_timer(); |
340 |
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|
341 |
start_timer(); |
start_timer(); |
342 |
add_acdc(pMB, i, &block[i * 64], iDcScaler, predictors, dec->bs_version); |
add_acdc(pMB, i, &block[i * 64], iDcScaler, predictors); |
343 |
stop_prediction_timer(); |
stop_prediction_timer(); |
344 |
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|
345 |
start_timer(); |
start_timer(); |
460 |
stop_transfer_timer(); |
stop_transfer_timer(); |
461 |
} |
} |
462 |
|
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static void __inline |
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validate_vector(VECTOR * mv, unsigned int x_pos, unsigned int y_pos, const DECODER * dec) |
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{ |
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/* clip a vector to valid range |
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prevents crashes if bitstream is broken |
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*/ |
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int shift = 5 + dec->quarterpel; |
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int xborder_high = (int)(dec->mb_width - x_pos) << shift; |
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int xborder_low = (-(int)x_pos-1) << shift; |
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int yborder_high = (int)(dec->mb_height - y_pos) << shift; |
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int yborder_low = (-(int)y_pos-1) << shift; |
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#define CHECK_MV(mv) \ |
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do { \ |
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if ((mv).x > xborder_high) { \ |
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DPRINTF(XVID_DEBUG_MV, "mv.x > max -- %d > %d, MB %d, %d", (mv).x, xborder_high, x_pos, y_pos); \ |
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(mv).x = xborder_high; \ |
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} else if ((mv).x < xborder_low) { \ |
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DPRINTF(XVID_DEBUG_MV, "mv.x < min -- %d < %d, MB %d, %d", (mv).x, xborder_low, x_pos, y_pos); \ |
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(mv).x = xborder_low; \ |
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} \ |
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if ((mv).y > yborder_high) { \ |
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DPRINTF(XVID_DEBUG_MV, "mv.y > max -- %d > %d, MB %d, %d", (mv).y, yborder_high, x_pos, y_pos); \ |
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(mv).y = yborder_high; \ |
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} else if ((mv).y < yborder_low) { \ |
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DPRINTF(XVID_DEBUG_MV, "mv.y < min -- %d < %d, MB %d, %d", (mv).y, yborder_low, x_pos, y_pos); \ |
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(mv).y = yborder_low; \ |
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} \ |
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} while (0) |
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CHECK_MV(mv[0]); |
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CHECK_MV(mv[1]); |
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CHECK_MV(mv[2]); |
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CHECK_MV(mv[3]); |
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} |
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|
463 |
/* decode an inter macroblock */ |
/* decode an inter macroblock */ |
464 |
static void |
static void |
465 |
decoder_mbinter(DECODER * dec, |
decoder_mbinter(DECODER * dec, |
497 |
mv[i] = pMB->mvs[i]; |
mv[i] = pMB->mvs[i]; |
498 |
} |
} |
499 |
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|
500 |
validate_vector(mv, x_pos, y_pos, dec); |
for (i = 0; i < 4; i++) { |
501 |
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/* clip to valid range */ |
502 |
|
int border = (int)(dec->mb_width - x_pos) << (5 + dec->quarterpel); |
503 |
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if (mv[i].x > border) { |
504 |
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DPRINTF(XVID_DEBUG_MV, "mv.x > max -- %d > %d, MB %d, %d", mv[i].x, border, x_pos, y_pos); |
505 |
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mv[i].x = border; |
506 |
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} else { |
507 |
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border = (-(int)x_pos-1) << (5 + dec->quarterpel); |
508 |
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if (mv[i].x < border) { |
509 |
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DPRINTF(XVID_DEBUG_MV, "mv.x < min -- %d < %d, MB %d, %d", mv[i].x, border, x_pos, y_pos); |
510 |
|
mv[i].x = border; |
511 |
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} |
512 |
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} |
513 |
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514 |
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border = (int)(dec->mb_height - y_pos) << (5 + dec->quarterpel); |
515 |
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if (mv[i].y > border) { |
516 |
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DPRINTF(XVID_DEBUG_MV, "mv.y > max -- %d > %d, MB %d, %d", mv[i].y, border, x_pos, y_pos); |
517 |
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mv[i].y = border; |
518 |
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} else { |
519 |
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border = (-(int)y_pos-1) << (5 + dec->quarterpel); |
520 |
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if (mv[i].y < border) { |
521 |
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DPRINTF(XVID_DEBUG_MV, "mv.y < min -- %d < %d, MB %d, %d", mv[i].y, border, x_pos, y_pos); |
522 |
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mv[i].y = border; |
523 |
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} |
524 |
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} |
525 |
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} |
526 |
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|
527 |
start_timer(); |
start_timer(); |
528 |
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815 |
mb_height = (dec->height + 31) / 32; |
mb_height = (dec->height + 31) / 32; |
816 |
} |
} |
817 |
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818 |
|
if (!dec->is_edged[0]) { |
819 |
start_timer(); |
start_timer(); |
820 |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
821 |
dec->width, dec->height, dec->bs_version); |
dec->width, dec->height, dec->bs_version); |
822 |
|
dec->is_edged[0] = 1; |
823 |
stop_edges_timer(); |
stop_edges_timer(); |
824 |
|
} |
825 |
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|
826 |
if (gmc_warp) { |
if (gmc_warp) { |
827 |
/* 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 */ |
1012 |
decoder_bf_interpolate_mbinter(DECODER * dec, |
decoder_bf_interpolate_mbinter(DECODER * dec, |
1013 |
IMAGE forward, |
IMAGE forward, |
1014 |
IMAGE backward, |
IMAGE backward, |
1015 |
MACROBLOCK * pMB, |
const MACROBLOCK * pMB, |
1016 |
const uint32_t x_pos, |
const uint32_t x_pos, |
1017 |
const uint32_t y_pos, |
const uint32_t y_pos, |
1018 |
Bitstream * bs, |
Bitstream * bs, |
1029 |
pU_Cur = dec->cur.u + (y_pos << 3) * stride2 + (x_pos << 3); |
pU_Cur = dec->cur.u + (y_pos << 3) * stride2 + (x_pos << 3); |
1030 |
pV_Cur = dec->cur.v + (y_pos << 3) * stride2 + (x_pos << 3); |
pV_Cur = dec->cur.v + (y_pos << 3) * stride2 + (x_pos << 3); |
1031 |
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validate_vector(pMB->mvs, x_pos, y_pos, dec); |
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validate_vector(pMB->b_mvs, x_pos, y_pos, dec); |
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|
1032 |
if (!direct) { |
if (!direct) { |
1033 |
uv_dx = pMB->mvs[0].x; |
uv_dx = pMB->mvs[0].x; |
1034 |
uv_dy = pMB->mvs[0].y; |
uv_dy = pMB->mvs[0].y; |
1143 |
interpolate8x8_avg2(dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
interpolate8x8_avg2(dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
1144 |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
1145 |
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos, |
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos, |
1146 |
stride, 0, 8); |
stride, 1, 8); |
1147 |
|
|
1148 |
interpolate8x8_avg2(dec->cur.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
interpolate8x8_avg2(dec->cur.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
1149 |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
1150 |
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
1151 |
stride, 0, 8); |
stride, 1, 8); |
1152 |
|
|
1153 |
interpolate8x8_avg2(dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
interpolate8x8_avg2(dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
1154 |
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
1155 |
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
1156 |
stride, 0, 8); |
stride, 1, 8); |
1157 |
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|
1158 |
interpolate8x8_avg2(dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
interpolate8x8_avg2(dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
1159 |
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
1160 |
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
1161 |
stride, 0, 8); |
stride, 1, 8); |
1162 |
|
|
1163 |
interpolate8x8_avg2(dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
interpolate8x8_avg2(dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
1164 |
dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
1165 |
dec->tmp.u + (8 * y_pos * stride2) + 8 * x_pos, |
dec->tmp.u + (8 * y_pos * stride2) + 8 * x_pos, |
1166 |
stride2, 0, 8); |
stride2, 1, 8); |
1167 |
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|
1168 |
interpolate8x8_avg2(dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
interpolate8x8_avg2(dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
1169 |
dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
1170 |
dec->tmp.v + (8 * y_pos * stride2) + 8 * x_pos, |
dec->tmp.v + (8 * y_pos * stride2) + 8 * x_pos, |
1171 |
stride2, 0, 8); |
stride2, 1, 8); |
1172 |
|
|
1173 |
stop_comp_timer(); |
stop_comp_timer(); |
1174 |
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|
1218 |
uint32_t x, y; |
uint32_t x, y; |
1219 |
VECTOR mv; |
VECTOR mv; |
1220 |
const VECTOR zeromv = {0,0}; |
const VECTOR zeromv = {0,0}; |
1221 |
|
const int32_t TRB = dec->time_pp - dec->time_bp, TRD = dec->time_pp; |
1222 |
int i; |
int i; |
1223 |
|
|
1224 |
|
if (!dec->is_edged[0]) { |
1225 |
start_timer(); |
start_timer(); |
1226 |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
image_setedges(&dec->refn[0], dec->edged_width, dec->edged_height, |
1227 |
dec->width, dec->height, dec->bs_version); |
dec->width, dec->height, dec->bs_version); |
1228 |
|
dec->is_edged[0] = 1; |
1229 |
|
stop_edges_timer(); |
1230 |
|
} |
1231 |
|
|
1232 |
|
if (!dec->is_edged[1]) { |
1233 |
|
start_timer(); |
1234 |
image_setedges(&dec->refn[1], dec->edged_width, dec->edged_height, |
image_setedges(&dec->refn[1], dec->edged_width, dec->edged_height, |
1235 |
dec->width, dec->height, dec->bs_version); |
dec->width, dec->height, dec->bs_version); |
1236 |
|
dec->is_edged[1] = 1; |
1237 |
stop_edges_timer(); |
stop_edges_timer(); |
1238 |
|
} |
1239 |
|
|
1240 |
for (y = 0; y < dec->mb_height; y++) { |
for (y = 0; y < dec->mb_height; y++) { |
1241 |
/* Initialize Pred Motion Vector */ |
/* Initialize Pred Motion Vector */ |
1322 |
|
|
1323 |
case MODE_DIRECT_NONE_MV: |
case MODE_DIRECT_NONE_MV: |
1324 |
for (i = 0; i < 4; i++) { |
for (i = 0; i < 4; i++) { |
1325 |
mb->mvs[i].x = last_mb->mvs[i].x*dec->time_bp/dec->time_pp + mv.x; |
mb->mvs[i].x = (int32_t) ((TRB * last_mb->mvs[i].x) / TRD + mv.x); |
1326 |
mb->mvs[i].y = last_mb->mvs[i].y*dec->time_bp/dec->time_pp + mv.y; |
mb->b_mvs[i].x = (int32_t) ((mv.x == 0) |
1327 |
|
? ((TRB - TRD) * last_mb->mvs[i].x) / TRD |
1328 |
mb->b_mvs[i].x = (mv.x) |
: mb->mvs[i].x - last_mb->mvs[i].x); |
1329 |
? mb->mvs[i].x - last_mb->mvs[i].x |
mb->mvs[i].y = (int32_t) ((TRB * last_mb->mvs[i].y) / TRD + mv.y); |
1330 |
: last_mb->mvs[i].x*(dec->time_bp - dec->time_pp)/dec->time_pp; |
mb->b_mvs[i].y = (int32_t) ((mv.y == 0) |
1331 |
mb->b_mvs[i].y = (mv.y) |
? ((TRB - TRD) * last_mb->mvs[i].y) / TRD |
1332 |
? mb->mvs[i].y - last_mb->mvs[i].y |
: mb->mvs[i].y - last_mb->mvs[i].y); |
|
: last_mb->mvs[i].y*(dec->time_bp - dec->time_pp)/dec->time_pp; |
|
1333 |
} |
} |
1334 |
|
|
1335 |
decoder_bf_interpolate_mbinter(dec, dec->refn[1], dec->refn[0], |
decoder_bf_interpolate_mbinter(dec, dec->refn[1], dec->refn[0], |
1373 |
xvid_dec_frame_t * frame, xvid_dec_stats_t * stats, |
xvid_dec_frame_t * frame, xvid_dec_stats_t * stats, |
1374 |
int coding_type, int quant) |
int coding_type, int quant) |
1375 |
{ |
{ |
1376 |
|
const int brightness = XVID_VERSION_MINOR(frame->version) >= 1 ? frame->brightness : 0; |
1377 |
|
|
1378 |
if (dec->cartoon_mode) |
if (dec->cartoon_mode) |
1379 |
frame->general &= ~XVID_FILMEFFECT; |
frame->general &= ~XVID_FILMEFFECT; |
1380 |
|
|
1381 |
if (frame->general & (XVID_DEBLOCKY|XVID_DEBLOCKUV|XVID_FILMEFFECT) && mbs != NULL) /* post process */ |
if ((frame->general & (XVID_DEBLOCKY|XVID_DEBLOCKUV|XVID_FILMEFFECT) || brightness!=0) |
1382 |
|
&& mbs != NULL) /* post process */ |
1383 |
{ |
{ |
1384 |
/* note: image is stored to tmp */ |
/* note: image is stored to tmp */ |
1385 |
image_copy(&dec->tmp, img, dec->edged_width, dec->height); |
image_copy(&dec->tmp, img, dec->edged_width, dec->height); |
1386 |
image_postproc(&dec->postproc, &dec->tmp, dec->edged_width, |
image_postproc(&dec->postproc, &dec->tmp, dec->edged_width, |
1387 |
mbs, dec->mb_width, dec->mb_height, dec->mb_width, |
mbs, dec->mb_width, dec->mb_height, dec->mb_width, |
1388 |
frame->general, dec->frames, (coding_type == B_VOP)); |
frame->general, brightness, dec->frames, (coding_type == B_VOP)); |
1389 |
img = &dec->tmp; |
img = &dec->tmp; |
1390 |
} |
} |
1391 |
|
|
1408 |
} |
} |
1409 |
} |
} |
1410 |
|
|
1411 |
|
|
1412 |
int |
int |
1413 |
decoder_decode(DECODER * dec, |
decoder_decode(DECODER * dec, |
1414 |
xvid_dec_frame_t * frame, xvid_dec_stats_t * stats) |
xvid_dec_frame_t * frame, xvid_dec_stats_t * stats) |
1559 |
} |
} |
1560 |
|
|
1561 |
image_swap(&dec->refn[0], &dec->refn[1]); |
image_swap(&dec->refn[0], &dec->refn[1]); |
1562 |
|
dec->is_edged[1] = dec->is_edged[0]; |
1563 |
image_swap(&dec->cur, &dec->refn[0]); |
image_swap(&dec->cur, &dec->refn[0]); |
1564 |
|
dec->is_edged[0] = 0; |
1565 |
SWAP(MACROBLOCK *, dec->mbs, dec->last_mbs); |
SWAP(MACROBLOCK *, dec->mbs, dec->last_mbs); |
1566 |
dec->last_reduced_resolution = reduced_resolution; |
dec->last_reduced_resolution = reduced_resolution; |
1567 |
dec->last_coding_type = coding_type; |
dec->last_coding_type = coding_type; |
1573 |
|
|
1574 |
if (dec->low_delay) { |
if (dec->low_delay) { |
1575 |
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"); |
1576 |
dec->low_delay = 0; |
dec->low_delay = 1; |
1577 |
} |
} |
1578 |
|
|
1579 |
if (dec->frames < 2) { |
if (dec->frames < 2) { |