20 |
* along with this program ; if not, write to the Free Software |
* along with this program ; if not, write to the Free Software |
21 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
22 |
* |
* |
23 |
* $Id: decoder.c,v 1.49.2.11 2003-08-13 11:43:47 edgomez Exp $ |
* $Id: decoder.c,v 1.49.2.15 2003-10-07 13:02:35 edgomez Exp $ |
24 |
* |
* |
25 |
****************************************************************************/ |
****************************************************************************/ |
26 |
|
|
40 |
#include "bitstream/bitstream.h" |
#include "bitstream/bitstream.h" |
41 |
#include "bitstream/mbcoding.h" |
#include "bitstream/mbcoding.h" |
42 |
|
|
43 |
#include "quant/quant_h263.h" |
#include "quant/quant.h" |
|
#include "quant/quant_mpeg4.h" |
|
44 |
#include "dct/idct.h" |
#include "dct/idct.h" |
45 |
#include "dct/fdct.h" |
#include "dct/fdct.h" |
46 |
#include "utils/mem_transfer.h" |
#include "utils/mem_transfer.h" |
326 |
|
|
327 |
start_timer(); |
start_timer(); |
328 |
if (dec->quant_type == 0) { |
if (dec->quant_type == 0) { |
329 |
dequant_intra(&data[i * 64], &block[i * 64], iQuant, iDcScaler); |
dequant_h263_intra(&data[i * 64], &block[i * 64], iQuant, iDcScaler); |
330 |
} else { |
} else { |
331 |
dequant4_intra(&data[i * 64], &block[i * 64], iQuant, iDcScaler); |
dequant_mpeg_intra(&data[i * 64], &block[i * 64], iQuant, iDcScaler); |
332 |
} |
} |
333 |
stop_iquant_timer(); |
stop_iquant_timer(); |
334 |
|
|
532 |
|
|
533 |
start_timer(); |
start_timer(); |
534 |
if (dec->quant_type == 0) { |
if (dec->quant_type == 0) { |
535 |
dequant_inter(&data[i * 64], &block[i * 64], iQuant); |
dequant_h263_inter(&data[i * 64], &block[i * 64], iQuant); |
536 |
} else { |
} else { |
537 |
dequant4_inter(&data[i * 64], &block[i * 64], iQuant); |
dequant_mpeg_inter(&data[i * 64], &block[i * 64], iQuant); |
538 |
} |
} |
539 |
stop_iquant_timer(); |
stop_iquant_timer(); |
540 |
|
|
657 |
|
|
658 |
start_timer(); |
start_timer(); |
659 |
if (dec->quant_type == 0) { |
if (dec->quant_type == 0) { |
660 |
dequant_inter(&data[i * 64], &block[i * 64], iQuant); |
dequant_h263_inter(&data[i * 64], &block[i * 64], iQuant); |
661 |
} else { |
} else { |
662 |
dequant4_inter(&data[i * 64], &block[i * 64], iQuant); |
dequant_mpeg_inter(&data[i * 64], &block[i * 64], iQuant); |
663 |
} |
} |
664 |
stop_iquant_timer(); |
stop_iquant_timer(); |
665 |
|
|
914 |
|
|
915 |
intra = (mb->mode == MODE_INTRA || mb->mode == MODE_INTRA_Q); |
intra = (mb->mode == MODE_INTRA || mb->mode == MODE_INTRA_Q); |
916 |
|
|
|
if (intra) { |
|
|
acpred_flag = BitstreamGetBit(bs); |
|
|
} |
|
|
|
|
917 |
if (gmc_warp && (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q)) |
if (gmc_warp && (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q)) |
|
{ |
|
918 |
mcsel = BitstreamGetBit(bs); |
mcsel = BitstreamGetBit(bs); |
919 |
} |
|
920 |
|
if (intra) |
921 |
|
acpred_flag = BitstreamGetBit(bs); |
922 |
|
|
923 |
cbpy = get_cbpy(bs, intra); |
cbpy = get_cbpy(bs, intra); |
924 |
DPRINTF(XVID_DEBUG_MB, "cbpy %i mcsel %i \n", cbpy,mcsel); |
DPRINTF(XVID_DEBUG_MB, "cbpy %i mcsel %i \n", cbpy,mcsel); |
939 |
mb->quant = quant; |
mb->quant = quant; |
940 |
|
|
941 |
if (dec->interlacing) { |
if (dec->interlacing) { |
942 |
if (cbp || intra) { |
if ((cbp || intra) && !mcsel) { |
943 |
mb->field_dct = BitstreamGetBit(bs); |
mb->field_dct = BitstreamGetBit(bs); |
944 |
DPRINTF(XVID_DEBUG_MB,"decp: field_dct: %i\n", mb->field_dct); |
DPRINTF(XVID_DEBUG_MB,"decp: field_dct: %i\n", mb->field_dct); |
945 |
} |
} |
1204 |
|
|
1205 |
start_timer(); |
start_timer(); |
1206 |
if (dec->quant_type == 0) { |
if (dec->quant_type == 0) { |
1207 |
dequant_inter(&data[i * 64], &block[i * 64], iQuant); |
dequant_h263_inter(&data[i * 64], &block[i * 64], iQuant); |
1208 |
} else { |
} else { |
1209 |
dequant4_inter(&data[i * 64], &block[i * 64], iQuant); |
dequant_mpeg_inter(&data[i * 64], &block[i * 64], iQuant); |
1210 |
} |
} |
1211 |
stop_iquant_timer(); |
stop_iquant_timer(); |
1212 |
|
|
1444 |
|
|
1445 |
start_timer(); |
start_timer(); |
1446 |
if (dec->quant_type == 0) { |
if (dec->quant_type == 0) { |
1447 |
dequant_inter(&data[i * 64], &block[i * 64], iQuant); |
dequant_h263_inter(&data[i * 64], &block[i * 64], iQuant); |
1448 |
} else { |
} else { |
1449 |
dequant4_inter(&data[i * 64], &block[i * 64], iQuant); |
dequant_mpeg_inter(&data[i * 64], &block[i * 64], iQuant); |
1450 |
} |
} |
1451 |
stop_iquant_timer(); |
stop_iquant_timer(); |
1452 |
|
|
1599 |
quant = 1; |
quant = 1; |
1600 |
} |
} |
1601 |
} |
} |
1602 |
|
|
1603 |
|
if (dec->interlacing) { |
1604 |
|
if (mb->cbp) { |
1605 |
|
mb->field_dct = BitstreamGetBit(bs); |
1606 |
|
DPRINTF(XVID_DEBUG_MB,"decp: field_dct: %i\n", mb->field_dct); |
1607 |
|
} |
1608 |
|
|
1609 |
|
if (mb->mb_type) { |
1610 |
|
mb->field_pred = BitstreamGetBit(bs); |
1611 |
|
DPRINTF(XVID_DEBUG_MB, "decp: field_pred: %i\n", mb->field_pred); |
1612 |
|
|
1613 |
|
if (mb->field_pred) { |
1614 |
|
mb->field_for_top = BitstreamGetBit(bs); |
1615 |
|
DPRINTF(XVID_DEBUG_MB,"decp: field_for_top: %i\n", mb->field_for_top); |
1616 |
|
mb->field_for_bot = BitstreamGetBit(bs); |
1617 |
|
DPRINTF(XVID_DEBUG_MB,"decp: field_for_bot: %i\n", mb->field_for_bot); |
1618 |
|
} |
1619 |
|
} |
1620 |
|
} |
1621 |
|
|
1622 |
} else { |
} else { |
1623 |
mb->mb_type = MODE_DIRECT_NONE_MV; |
mb->mb_type = MODE_DIRECT_NONE_MV; |
1624 |
mb->cbp = 0; |
mb->cbp = 0; |