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 1.85 2010-12-18 10:13:30 Isibaar Exp $ |
* $Id: decoder.c,v 1.87 2010-12-28 19:19:43 Isibaar Exp $ |
24 |
* |
* |
25 |
****************************************************************************/ |
****************************************************************************/ |
26 |
|
|
1391 |
MACROBLOCK *last_mb = &dec->last_mbs[y * dec->mb_width + x]; |
MACROBLOCK *last_mb = &dec->last_mbs[y * dec->mb_width + x]; |
1392 |
int intra_dc_threshold; /* fake variable */ |
int intra_dc_threshold; /* fake variable */ |
1393 |
|
|
|
if (check_resync_marker(bs, resync_len)) { |
|
|
int bound = read_video_packet_header(bs, dec, resync_len, &quant, |
|
|
&fcode_forward, &fcode_backward, &intra_dc_threshold); |
|
|
x = bound % dec->mb_width; |
|
|
y = MIN((bound / dec->mb_width), (dec->mb_height-1)); |
|
|
/* reset predicted macroblocks */ |
|
|
dec->p_fmv = dec->p_bmv = zeromv; |
|
|
/* update resync len with new fcodes */ |
|
|
resync_len = get_resync_len_b(fcode_backward, fcode_forward); |
|
|
} |
|
|
|
|
1394 |
mv = |
mv = |
1395 |
mb->b_mvs[0] = mb->b_mvs[1] = mb->b_mvs[2] = mb->b_mvs[3] = |
mb->b_mvs[0] = mb->b_mvs[1] = mb->b_mvs[2] = mb->b_mvs[3] = |
1396 |
mb->mvs[0] = mb->mvs[1] = mb->mvs[2] = mb->mvs[3] = zeromv; |
mb->mvs[0] = mb->mvs[1] = mb->mvs[2] = mb->mvs[3] = zeromv; |
1409 |
continue; |
continue; |
1410 |
} |
} |
1411 |
|
|
1412 |
|
if (check_resync_marker(bs, resync_len)) { |
1413 |
|
int bound = read_video_packet_header(bs, dec, resync_len, &quant, |
1414 |
|
&fcode_forward, &fcode_backward, &intra_dc_threshold); |
1415 |
|
|
1416 |
|
bound = MAX(0, bound-1); /* valid bound must always be >0 */ |
1417 |
|
x = bound % dec->mb_width; |
1418 |
|
y = MIN((bound / dec->mb_width), (dec->mb_height-1)); |
1419 |
|
/* reset predicted macroblocks */ |
1420 |
|
dec->p_fmv = dec->p_bmv = zeromv; |
1421 |
|
/* update resync len with new fcodes */ |
1422 |
|
resync_len = get_resync_len_b(fcode_backward, fcode_forward); |
1423 |
|
continue; /* re-init loop */ |
1424 |
|
} |
1425 |
|
|
1426 |
if (!BitstreamGetBit(bs)) { /* modb=='0' */ |
if (!BitstreamGetBit(bs)) { /* modb=='0' */ |
1427 |
const uint8_t modb2 = BitstreamGetBit(bs); |
const uint8_t modb2 = BitstreamGetBit(bs); |
1428 |
|
|