55 |
* 22.12.2001 lock based interpolation |
* 22.12.2001 lock based interpolation |
56 |
* 01.12.2001 inital version; (c)2001 peter ross <pross@cs.rmit.edu.au> |
* 01.12.2001 inital version; (c)2001 peter ross <pross@cs.rmit.edu.au> |
57 |
* |
* |
58 |
* $Id: decoder.c,v 1.34 2002-07-24 00:49:04 Isibaar Exp $ |
* $Id: decoder.c,v 1.37 2002-09-04 03:23:23 h Exp $ |
59 |
* |
* |
60 |
*************************************************************************/ |
*************************************************************************/ |
61 |
|
|
653 |
mb->quant = quant; |
mb->quant = quant; |
654 |
|
|
655 |
if (dec->interlacing) { |
if (dec->interlacing) { |
656 |
|
if (cbp || intra) { |
657 |
mb->field_dct = BitstreamGetBit(bs); |
mb->field_dct = BitstreamGetBit(bs); |
658 |
DEBUG1("decp: field_dct: ", mb->field_dct); |
DEBUG1("decp: field_dct: ", mb->field_dct); |
659 |
|
} |
660 |
|
|
661 |
if (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q) { |
if (mb->mode == MODE_INTER || mb->mode == MODE_INTER_Q) { |
662 |
mb->field_pred = BitstreamGetBit(bs); |
mb->field_pred = BitstreamGetBit(bs); |
685 |
mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = |
mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = |
686 |
mb->mvs[0].y; |
mb->mvs[0].y; |
687 |
} |
} |
688 |
} else if (mb->mode == |
} else if (mb->mode == MODE_INTER4V ) { |
689 |
MODE_INTER4V /* || mb->mode == MODE_INTER4V_Q */ ) { |
|
690 |
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[0], fcode, bound); |
get_motion_vector(dec, bs, x, y, 0, &mb->mvs[0], fcode, bound); |
691 |
get_motion_vector(dec, bs, x, y, 1, &mb->mvs[1], fcode, bound); |
get_motion_vector(dec, bs, x, y, 1, &mb->mvs[1], fcode, bound); |
692 |
get_motion_vector(dec, bs, x, y, 2, &mb->mvs[2], fcode, bound); |
get_motion_vector(dec, bs, x, y, 2, &mb->mvs[2], fcode, bound); |
706 |
rounding); |
rounding); |
707 |
} else // not coded |
} else // not coded |
708 |
{ |
{ |
709 |
//DEBUG2("P-frame MB at (X,Y)=",x,y); |
DEBUG2("P-frame MB at (X,Y)=",x,y); |
710 |
mb->mode = MODE_NOT_CODED; |
mb->mode = MODE_NOT_CODED; |
711 |
mb->mvs[0].x = mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = 0; |
mb->mvs[0].x = mb->mvs[1].x = mb->mvs[2].x = mb->mvs[3].x = 0; |
712 |
mb->mvs[0].y = mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = 0; |
mb->mvs[0].y = mb->mvs[1].y = mb->mvs[2].y = mb->mvs[3].y = 0; |
1279 |
|
|
1280 |
default: |
default: |
1281 |
DEBUG1("Not support B-frame mb_type =", mb->mb_type); |
DEBUG1("Not support B-frame mb_type =", mb->mb_type); |
|
; |
|
1282 |
} |
} |
1283 |
|
|
|
if ( (x==19) && (y==8) ) |
|
|
{ |
|
|
fprintf(stderr,"D %d %d %d %d %d %d \n",0, mb->mb_type, |
|
|
mb->mvs[0].x, mb->mvs[0].y,mb->b_mvs[0].x, mb->b_mvs[0].y ); |
|
|
} |
|
|
|
|
|
|
|
|
|
|
1284 |
} // end of FOR |
} // end of FOR |
1285 |
} |
} |
1286 |
#ifdef BFRAMES_DEC_DEBUG |
#ifdef BFRAMES_DEC_DEBUG |
1379 |
|
|
1380 |
#ifdef BFRAMES_DEC |
#ifdef BFRAMES_DEC |
1381 |
// test if no B_VOP |
// test if no B_VOP |
1382 |
if (dec->low_delay) { |
if (dec->low_delay || dec->frames == 0) { |
1383 |
#endif |
#endif |
1384 |
image_output(&dec->cur, dec->width, dec->height, dec->edged_width, |
image_output(&dec->cur, dec->width, dec->height, dec->edged_width, |
1385 |
frame->image, frame->stride, frame->colorspace); |
frame->image, frame->stride, frame->colorspace); |
1386 |
|
|
1387 |
#ifdef BFRAMES_DEC |
#ifdef BFRAMES_DEC |
1388 |
} else { |
} else { |
1389 |
if (dec->frames >= 0) { |
if (dec->frames >= 1) { |
1390 |
start_timer(); |
start_timer(); |
1391 |
if ((vop_type == I_VOP || vop_type == P_VOP)) { |
if ((vop_type == I_VOP || vop_type == P_VOP)) { |
1392 |
image_output(&dec->refn[0], dec->width, dec->height, |
image_output(&dec->refn[0], dec->width, dec->height, |