53 |
* 26.03.2002 interlacing support - moved transfers outside decode loop |
* 26.03.2002 interlacing support - moved transfers outside decode loop |
54 |
* 26.12.2001 decoder_mbinter: dequant/idct moved within if(coded) block |
* 26.12.2001 decoder_mbinter: dequant/idct moved within if(coded) block |
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@xvid.org> |
57 |
* |
* |
58 |
* $Id$ |
* $Id$ |
59 |
* |
* |
379 |
|
|
380 |
start_timer(); |
start_timer(); |
381 |
if(dec->quarterpel) { |
if(dec->quarterpel) { |
382 |
DEBUG("QUARTERPEL"); |
DPRINTF(DPRINTF_DEBUG, "QUARTERPEL\n"); |
383 |
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y, 16*x_pos, 16*y_pos, |
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y, 16*x_pos, 16*y_pos, |
384 |
pMB->mvs[0].x, pMB->mvs[0].y, stride, rounding); |
pMB->mvs[0].x, pMB->mvs[0].y, stride, rounding); |
385 |
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y, 16*x_pos + 8, 16*y_pos, |
interpolate8x8_quarterpel(dec->cur.y, dec->refn[0].y, 16*x_pos + 8, 16*y_pos, |
509 |
|
|
510 |
if (dec->interlacing) { |
if (dec->interlacing) { |
511 |
mb->field_dct = BitstreamGetBit(bs); |
mb->field_dct = BitstreamGetBit(bs); |
512 |
DEBUG1("deci: field_dct: ", mb->field_dct); |
DPRINTF(DPRINTF_DEBUG, "deci: field_dct: %d", mb->field_dct); |
513 |
} |
} |
514 |
|
|
515 |
decoder_mbintra(dec, mb, x, y, acpred_flag, cbp, bs, quant, |
decoder_mbintra(dec, mb, x, y, acpred_flag, cbp, bs, quant, |
655 |
if (dec->interlacing) { |
if (dec->interlacing) { |
656 |
if (cbp || intra) { |
if (cbp || intra) { |
657 |
mb->field_dct = BitstreamGetBit(bs); |
mb->field_dct = BitstreamGetBit(bs); |
658 |
DEBUG1("decp: field_dct: ", mb->field_dct); |
DPRINTF(DPRINTF_DEBUG, "decp: field_dct: %d", 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); |
663 |
DEBUG1("decp: field_pred: ", mb->field_pred); |
DPRINTF(DPRINTF_DEBUG, "decp: field_pred: %d", mb->field_pred); |
664 |
|
|
665 |
if (mb->field_pred) { |
if (mb->field_pred) { |
666 |
mb->field_for_top = BitstreamGetBit(bs); |
mb->field_for_top = BitstreamGetBit(bs); |
667 |
DEBUG1("decp: field_for_top: ", mb->field_for_top); |
DPRINTF(DPRINTF_DEBUG, "decp: field_for_top: %d", mb->field_for_top); |
668 |
mb->field_for_bot = BitstreamGetBit(bs); |
mb->field_for_bot = BitstreamGetBit(bs); |
669 |
DEBUG1("decp: field_for_bot: ", mb->field_for_bot); |
DPRINTF(DPRINTF_DEBUG, "decp: field_for_bot: %d", mb->field_for_bot); |
670 |
} |
} |
671 |
} |
} |
672 |
} |
} |
706 |
rounding); |
rounding); |
707 |
} else // not coded |
} else // not coded |
708 |
{ |
{ |
709 |
DEBUG2("P-frame MB at (X,Y)=",x,y); |
DPRINTF(DPRINTF_DEBUG, "P-frame MB at (X,Y)=(%d,%d)", x, y); |
710 |
|
|
711 |
mb->mode = MODE_NOT_CODED; |
mb->mode = MODE_NOT_CODED; |
712 |
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; |
713 |
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 |
break; |
break; |
1280 |
|
|
1281 |
default: |
default: |
1282 |
DEBUG1("Not support B-frame mb_type =", mb->mb_type); |
DPRINTF(DPRINTF_ERROR, "Not support B-frame mb_type = %d", mb->mb_type); |
1283 |
} |
} |
1284 |
|
|
1285 |
} // end of FOR |
} // end of FOR |
1337 |
decoder_pframe(dec, &bs, rounding, quant, fcode_forward, |
decoder_pframe(dec, &bs, rounding, quant, fcode_forward, |
1338 |
intra_dc_threshold); |
intra_dc_threshold); |
1339 |
#ifdef BFRAMES_DEC |
#ifdef BFRAMES_DEC |
1340 |
DEBUG1("P_VOP Time=", dec->time); |
DPRINTF(DPRINTF_DEBUG, "P_VOP Time=%d", dec->time); |
1341 |
#endif |
#endif |
1342 |
break; |
break; |
1343 |
|
|
1344 |
case I_VOP: |
case I_VOP: |
1345 |
decoder_iframe(dec, &bs, quant, intra_dc_threshold); |
decoder_iframe(dec, &bs, quant, intra_dc_threshold); |
1346 |
#ifdef BFRAMES_DEC |
#ifdef BFRAMES_DEC |
1347 |
DEBUG1("I_VOP Time=", dec->time); |
DPRINTF(DPRINTF_DEBUG, "I_VOP Time=%d", dec->time); |
1348 |
#endif |
#endif |
1349 |
break; |
break; |
1350 |
|
|
1351 |
case B_VOP: |
case B_VOP: |
1352 |
#ifdef BFRAMES_DEC |
#ifdef BFRAMES_DEC |
1353 |
if (dec->time_pp > dec->time_bp) { |
if (dec->time_pp > dec->time_bp) { |
1354 |
DEBUG1("B_VOP Time=", dec->time); |
DPRINTF(DPRINTF_DEBUG, "B_VOP Time=%d", dec->time); |
1355 |
decoder_bframe(dec, &bs, quant, fcode_forward, fcode_backward); |
decoder_bframe(dec, &bs, quant, fcode_forward, fcode_backward); |
1356 |
} else { |
} else { |
1357 |
DEBUG("broken B-frame!"); |
DPRINTF(DPRINTF_DEBUG, "Broken B_VOP"); |
1358 |
} |
} |
1359 |
#else |
#else |
1360 |
image_copy(&dec->cur, &dec->refn[0], dec->edged_width, dec->height); |
image_copy(&dec->cur, &dec->refn[0], dec->edged_width, dec->height); |
1372 |
|
|
1373 |
#ifdef BFRAMES_DEC_DEBUG |
#ifdef BFRAMES_DEC_DEBUG |
1374 |
if (frame->length != BitstreamPos(&bs) / 8){ |
if (frame->length != BitstreamPos(&bs) / 8){ |
1375 |
DEBUG2("InLen/UseLen",frame->length, BitstreamPos(&bs) / 8); |
DPRINTF(DPRINTF_DEBUG, "InLen: %d / UseLen: %d", frame->length, BitstreamPos(&bs) / 8); |
1376 |
} |
} |
1377 |
#endif |
#endif |
1378 |
frame->length = BitstreamPos(&bs) / 8; |
frame->length = BitstreamPos(&bs) / 8; |