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* - Decoder Module - |
* - Decoder Module - |
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* |
* |
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* 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> |
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* |
* |
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* This program is free software ; you can redistribute it and/or modify |
* This program is free software ; you can redistribute it and/or modify |
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* 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 |
393 |
const int reduced_resolution, |
const int reduced_resolution, |
394 |
const MACROBLOCK * pMB) |
const MACROBLOCK * pMB) |
395 |
{ |
{ |
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DECLARE_ALIGNED_MATRIX(block, 1, 64, int16_t, CACHE_LINE); |
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396 |
DECLARE_ALIGNED_MATRIX(data, 6, 64, int16_t, CACHE_LINE); |
DECLARE_ALIGNED_MATRIX(data, 6, 64, int16_t, CACHE_LINE); |
397 |
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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 |
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Bitstream * bs, |
406 |
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int16_t * block, |
407 |
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int direction, |
408 |
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const int quant, |
409 |
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const uint16_t *matrix); |
410 |
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411 |
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const get_inter_block_function_t get_inter_block = (dec->quant_type == 0) |
412 |
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? get_inter_block_h263 |
413 |
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: get_inter_block_mpeg; |
414 |
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415 |
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memset(&data[0], 0, 6*64*sizeof(int16_t)); /* clear */ |
416 |
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417 |
for (i = 0; i < 6; i++) { |
for (i = 0; i < 6; i++) { |
418 |
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419 |
if (cbp & (1 << (5 - i))) { /* coded */ |
if (cbp & (1 << (5 - i))) { /* coded */ |
420 |
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memset(block, 0, 64 * sizeof(int16_t)); /* clear */ |
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421 |
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422 |
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/* 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 |
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427 |
start_timer(); |
start_timer(); |
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dequant(&data[i * 64], block, iQuant, dec->mpeg_quant_matrices); |
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stop_iquant_timer(); |
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start_timer(); |
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428 |
idct(&data[i * 64]); |
idct(&data[i * 64]); |
429 |
stop_idct_timer(); |
stop_idct_timer(); |
430 |
} |
} |
821 |
mb_height = (dec->height + 31) / 32; |
mb_height = (dec->height + 31) / 32; |
822 |
} |
} |
823 |
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824 |
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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 |
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dec->is_edged[0] = 1; |
829 |
stop_edges_timer(); |
stop_edges_timer(); |
830 |
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} |
831 |
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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 */ |
1149 |
interpolate8x8_avg2(dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
interpolate8x8_avg2(dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
1150 |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos, |
1151 |
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos, |
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos, |
1152 |
stride, 0, 8); |
stride, 1, 8); |
1153 |
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1154 |
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, |
1155 |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
dec->cur.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
1156 |
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
dec->tmp.y + (16 * y_pos * stride) + 16 * x_pos + 8, |
1157 |
stride, 0, 8); |
stride, 1, 8); |
1158 |
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1159 |
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, |
1160 |
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
1161 |
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos, |
1162 |
stride, 0, 8); |
stride, 1, 8); |
1163 |
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1164 |
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, |
1165 |
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
dec->cur.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
1166 |
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
dec->tmp.y + ((16 * y_pos + 8) * stride) + 16 * x_pos + 8, |
1167 |
stride, 0, 8); |
stride, 1, 8); |
1168 |
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1169 |
interpolate8x8_avg2(dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
interpolate8x8_avg2(dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
1170 |
dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
dec->cur.u + (8 * y_pos * stride2) + 8 * x_pos, |
1171 |
dec->tmp.u + (8 * y_pos * stride2) + 8 * x_pos, |
dec->tmp.u + (8 * y_pos * stride2) + 8 * x_pos, |
1172 |
stride2, 0, 8); |
stride2, 1, 8); |
1173 |
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1174 |
interpolate8x8_avg2(dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
interpolate8x8_avg2(dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
1175 |
dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
dec->cur.v + (8 * y_pos * stride2) + 8 * x_pos, |
1176 |
dec->tmp.v + (8 * y_pos * stride2) + 8 * x_pos, |
dec->tmp.v + (8 * y_pos * stride2) + 8 * x_pos, |
1177 |
stride2, 0, 8); |
stride2, 1, 8); |
1178 |
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1179 |
stop_comp_timer(); |
stop_comp_timer(); |
1180 |
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1226 |
const VECTOR zeromv = {0,0}; |
const VECTOR zeromv = {0,0}; |
1227 |
int i; |
int i; |
1228 |
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1229 |
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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 |
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dec->is_edged[0] = 1; |
1234 |
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stop_edges_timer(); |
1235 |
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} |
1236 |
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1237 |
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if (!dec->is_edged[1]) { |
1238 |
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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 |
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dec->is_edged[1] = 1; |
1242 |
stop_edges_timer(); |
stop_edges_timer(); |
1243 |
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} |
1244 |
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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 */ |
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 |
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const int brightness = XVID_VERSION_MINOR(frame->version) >= 1 ? frame->brightness : 0; |
1383 |
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1384 |
if (dec->cartoon_mode) |
if (dec->cartoon_mode) |
1385 |
frame->general &= ~XVID_FILMEFFECT; |
frame->general &= ~XVID_FILMEFFECT; |
1386 |
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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 |
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&& 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 |
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1565 |
} |
} |
1566 |
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1567 |
image_swap(&dec->refn[0], &dec->refn[1]); |
image_swap(&dec->refn[0], &dec->refn[1]); |
1568 |
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dec->is_edged[1] = dec->is_edged[0]; |
1569 |
image_swap(&dec->cur, &dec->refn[0]); |
image_swap(&dec->cur, &dec->refn[0]); |
1570 |
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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; |