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(); |
460 |
stop_transfer_timer(); |
stop_transfer_timer(); |
461 |
} |
} |
462 |
|
|
463 |
|
static void __inline |
464 |
|
validate_vector(VECTOR * mv, unsigned int x_pos, unsigned int y_pos, const DECODER * dec) |
465 |
|
{ |
466 |
|
/* clip a vector to valid range |
467 |
|
prevents crashes if bitstream is broken |
468 |
|
*/ |
469 |
|
int shift = 5 + dec->quarterpel; |
470 |
|
int xborder_high = (int)(dec->mb_width - x_pos) << shift; |
471 |
|
int xborder_low = (-(int)x_pos-1) << shift; |
472 |
|
int yborder_high = (int)(dec->mb_height - y_pos) << shift; |
473 |
|
int yborder_low = (-(int)y_pos-1) << shift; |
474 |
|
|
475 |
|
#define CHECK_MV(mv) \ |
476 |
|
do { \ |
477 |
|
if ((mv).x > xborder_high) { \ |
478 |
|
DPRINTF(XVID_DEBUG_MV, "mv.x > max -- %d > %d, MB %d, %d", (mv).x, xborder_high, x_pos, y_pos); \ |
479 |
|
(mv).x = xborder_high; \ |
480 |
|
} else if ((mv).x < xborder_low) { \ |
481 |
|
DPRINTF(XVID_DEBUG_MV, "mv.x < min -- %d < %d, MB %d, %d", (mv).x, xborder_low, x_pos, y_pos); \ |
482 |
|
(mv).x = xborder_low; \ |
483 |
|
} \ |
484 |
|
if ((mv).y > yborder_high) { \ |
485 |
|
DPRINTF(XVID_DEBUG_MV, "mv.y > max -- %d > %d, MB %d, %d", (mv).y, yborder_high, x_pos, y_pos); \ |
486 |
|
(mv).y = yborder_high; \ |
487 |
|
} else if ((mv).y < yborder_low) { \ |
488 |
|
DPRINTF(XVID_DEBUG_MV, "mv.y < min -- %d < %d, MB %d, %d", (mv).y, yborder_low, x_pos, y_pos); \ |
489 |
|
(mv).y = yborder_low; \ |
490 |
|
} \ |
491 |
|
} while (0) |
492 |
|
|
493 |
|
CHECK_MV(mv[0]); |
494 |
|
CHECK_MV(mv[1]); |
495 |
|
CHECK_MV(mv[2]); |
496 |
|
CHECK_MV(mv[3]); |
497 |
|
} |
498 |
|
|
499 |
/* decode an inter macroblock */ |
/* decode an inter macroblock */ |
500 |
static void |
static void |
501 |
decoder_mbinter(DECODER * dec, |
decoder_mbinter(DECODER * dec, |
533 |
mv[i] = pMB->mvs[i]; |
mv[i] = pMB->mvs[i]; |
534 |
} |
} |
535 |
|
|
536 |
|
validate_vector(mv, x_pos, y_pos, dec); |
537 |
|
|
538 |
start_timer(); |
start_timer(); |
539 |
|
|
540 |
if (pMB->mode != MODE_INTER4V) { /* INTER, INTER_Q, NOT_CODED, FORWARD, BACKWARD */ |
if (pMB->mode != MODE_INTER4V) { /* INTER, INTER_Q, NOT_CODED, FORWARD, BACKWARD */ |
800 |
mv.y -= range; |
mv.y -= range; |
801 |
} |
} |
802 |
|
|
|
/* 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); |
|
|
|
|
803 |
ret_mv->x = mv.x; |
ret_mv->x = mv.x; |
804 |
ret_mv->y = mv.y; |
ret_mv->y = mv.y; |
805 |
} |
} |
1011 |
else if (mv_y > high) |
else if (mv_y > high) |
1012 |
mv_y -= range; |
mv_y -= range; |
1013 |
|
|
|
|
|
|
/* 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); |
|
|
|
|
1014 |
mv->x = mv_x; |
mv->x = mv_x; |
1015 |
mv->y = mv_y; |
mv->y = mv_y; |
1016 |
} |
} |
1020 |
decoder_bf_interpolate_mbinter(DECODER * dec, |
decoder_bf_interpolate_mbinter(DECODER * dec, |
1021 |
IMAGE forward, |
IMAGE forward, |
1022 |
IMAGE backward, |
IMAGE backward, |
1023 |
const MACROBLOCK * pMB, |
MACROBLOCK * pMB, |
1024 |
const uint32_t x_pos, |
const uint32_t x_pos, |
1025 |
const uint32_t y_pos, |
const uint32_t y_pos, |
1026 |
Bitstream * bs, |
Bitstream * bs, |
1037 |
pU_Cur = dec->cur.u + (y_pos << 3) * stride2 + (x_pos << 3); |
pU_Cur = dec->cur.u + (y_pos << 3) * stride2 + (x_pos << 3); |
1038 |
pV_Cur = dec->cur.v + (y_pos << 3) * stride2 + (x_pos << 3); |
pV_Cur = dec->cur.v + (y_pos << 3) * stride2 + (x_pos << 3); |
1039 |
|
|
1040 |
|
validate_vector(pMB->mvs, x_pos, y_pos, dec); |
1041 |
|
validate_vector(pMB->b_mvs, x_pos, y_pos, dec); |
1042 |
|
|
1043 |
if (!direct) { |
if (!direct) { |
1044 |
uv_dx = pMB->mvs[0].x; |
uv_dx = pMB->mvs[0].x; |
1045 |
uv_dy = pMB->mvs[0].y; |
uv_dy = pMB->mvs[0].y; |
1154 |
interpolate8x8_avg2(dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
interpolate8x8_avg2(dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
1155 |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
1156 |
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos, |
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos, |
1157 |
stride, 1, 8); |
stride, 0, 8); |
1158 |
|
|
1159 |
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, |
1160 |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
1161 |
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
1162 |
stride, 1, 8); |
stride, 0, 8); |
1163 |
|
|
1164 |
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, |
1165 |
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
1166 |
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
1167 |
stride, 1, 8); |
stride, 0, 8); |
1168 |
|
|
1169 |
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, |
1170 |
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
1171 |
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
1172 |
stride, 1, 8); |
stride, 0, 8); |
1173 |
|
|
1174 |
interpolate8x8_avg2(dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
interpolate8x8_avg2(dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
1175 |
dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
1176 |
dec->tmp.u + (8 * y_pos * stride2) + 8 * x_pos, |
dec->tmp.u + (8 * y_pos * stride2) + 8 * x_pos, |
1177 |
stride2, 1, 8); |
stride2, 0, 8); |
1178 |
|
|
1179 |
interpolate8x8_avg2(dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
interpolate8x8_avg2(dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
1180 |
dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
1181 |
dec->tmp.v + (8 * y_pos * stride2) + 8 * x_pos, |
dec->tmp.v + (8 * y_pos * stride2) + 8 * x_pos, |
1182 |
stride2, 1, 8); |
stride2, 0, 8); |
1183 |
|
|
1184 |
stop_comp_timer(); |
stop_comp_timer(); |
1185 |
|
|
1229 |
uint32_t x, y; |
uint32_t x, y; |
1230 |
VECTOR mv; |
VECTOR mv; |
1231 |
const VECTOR zeromv = {0,0}; |
const VECTOR zeromv = {0,0}; |
|
const int64_t TRB = dec->time_pp - dec->time_bp, TRD = dec->time_pp; |
|
1232 |
int i; |
int i; |
1233 |
|
|
1234 |
start_timer(); |
start_timer(); |
1323 |
|
|
1324 |
case MODE_DIRECT_NONE_MV: |
case MODE_DIRECT_NONE_MV: |
1325 |
for (i = 0; i < 4; i++) { |
for (i = 0; i < 4; i++) { |
1326 |
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; |
1327 |
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; |
1328 |
? ((TRB - TRD) * last_mb->mvs[i].x) / TRD |
|
1329 |
: mb->mvs[i].x - last_mb->mvs[i].x); |
mb->b_mvs[i].x = (mv.x) |
1330 |
mb->mvs[i].y = (int32_t) ((TRB * last_mb->mvs[i].y) / TRD + mv.y); |
? mb->mvs[i].x - last_mb->mvs[i].x |
1331 |
mb->b_mvs[i].y = (int32_t) ((mv.y == 0) |
: last_mb->mvs[i].x*(dec->time_bp - dec->time_pp)/dec->time_pp; |
1332 |
? ((TRB - TRD) * last_mb->mvs[i].y) / TRD |
mb->b_mvs[i].y = (mv.y) |
1333 |
: mb->mvs[i].y - last_mb->mvs[i].y); |
? mb->mvs[i].y - last_mb->mvs[i].y |
1334 |
|
: last_mb->mvs[i].y*(dec->time_bp - dec->time_pp)/dec->time_pp; |
1335 |
} |
} |
1336 |
|
|
1337 |
decoder_bf_interpolate_mbinter(dec, dec->refn[1], dec->refn[0], |
decoder_bf_interpolate_mbinter(dec, dec->refn[1], dec->refn[0], |
1407 |
} |
} |
1408 |
} |
} |
1409 |
|
|
|
|
|
1410 |
int |
int |
1411 |
decoder_decode(DECODER * dec, |
decoder_decode(DECODER * dec, |
1412 |
xvid_dec_frame_t * frame, xvid_dec_stats_t * stats) |
xvid_dec_frame_t * frame, xvid_dec_stats_t * stats) |
1503 |
goto repeat; |
goto repeat; |
1504 |
} |
} |
1505 |
|
|
1506 |
|
if(dec->frames == 0 && coding_type != I_VOP) { |
1507 |
|
/* 1st frame is not an i-vop */ |
1508 |
|
goto repeat; |
1509 |
|
} |
1510 |
|
|
1511 |
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 */ |
1512 |
|
|
1513 |
/* packed_mode: special-N_VOP treament */ |
/* packed_mode: special-N_VOP treament */ |
1569 |
|
|
1570 |
if (dec->low_delay) { |
if (dec->low_delay) { |
1571 |
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"); |
1572 |
dec->low_delay = 1; |
dec->low_delay = 0; |
1573 |
} |
} |
1574 |
|
|
1575 |
if (dec->frames < 2) { |
if (dec->frames < 2) { |