21 |
* along with this program ; if not, write to the Free Software |
* along with this program ; if not, write to the Free Software |
22 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
23 |
* |
* |
24 |
* $Id: encoder.c,v 1.107 2004-07-18 12:02:46 edgomez Exp $ |
* $Id: encoder.c,v 1.118 2005-05-23 09:29:43 Skal Exp $ |
25 |
* |
* |
26 |
****************************************************************************/ |
****************************************************************************/ |
27 |
|
|
85 |
/* |
/* |
86 |
* Simplify the "fincr/fbase" fraction |
* Simplify the "fincr/fbase" fraction |
87 |
*/ |
*/ |
88 |
|
static int |
89 |
|
gcd(int a, int b) |
90 |
|
{ |
91 |
|
int r ; |
92 |
|
|
93 |
|
if (b > a) { |
94 |
|
r = a; |
95 |
|
a = b; |
96 |
|
b = r; |
97 |
|
} |
98 |
|
|
99 |
|
while ((r = a % b)) { |
100 |
|
a = b; |
101 |
|
b = r; |
102 |
|
} |
103 |
|
return b; |
104 |
|
} |
105 |
|
|
106 |
static void |
static void |
107 |
simplify_time(int *inc, int *base) |
simplify_time(int *inc, int *base) |
108 |
{ |
{ |
109 |
/* common factor */ |
/* common factor */ |
110 |
int i = *inc; |
const int s = gcd(*inc, *base); |
111 |
while (i > 1) { |
*inc /= s; |
112 |
if (*inc % i == 0 && *base % i == 0) { |
*base /= s; |
|
*inc /= i; |
|
|
*base /= i; |
|
|
i = *inc; |
|
|
continue; |
|
|
} |
|
|
i--; |
|
|
} |
|
113 |
|
|
114 |
if (*base > 65535 || *inc > 65535) { |
if (*base > 65535 || *inc > 65535) { |
115 |
int *biggest; |
int *biggest; |
125 |
} |
} |
126 |
|
|
127 |
div = ((float)*biggest)/((float)65535); |
div = ((float)*biggest)/((float)65535); |
128 |
*biggest = (int)(((float)*biggest)/div); |
*biggest = (unsigned int)(((float)*biggest)/div); |
129 |
*other = (int)(((float)*other)/div); |
*other = (unsigned int)(((float)*other)/div); |
130 |
} |
} |
131 |
} |
} |
132 |
|
|
157 |
|
|
158 |
/* global flags */ |
/* global flags */ |
159 |
pEnc->mbParam.global_flags = create->global; |
pEnc->mbParam.global_flags = create->global; |
160 |
|
if ((pEnc->mbParam.global_flags & XVID_GLOBAL_PACKED)) |
161 |
|
pEnc->mbParam.global_flags |= XVID_GLOBAL_DIVX5_USERDATA; |
162 |
|
|
163 |
/* width, height */ |
/* width, height */ |
164 |
pEnc->mbParam.width = create->width; |
pEnc->mbParam.width = create->width; |
172 |
pEnc->mbParam.fincr = MAX(create->fincr, 0); |
pEnc->mbParam.fincr = MAX(create->fincr, 0); |
173 |
pEnc->mbParam.fbase = create->fincr <= 0 ? 25 : create->fbase; |
pEnc->mbParam.fbase = create->fincr <= 0 ? 25 : create->fbase; |
174 |
if (pEnc->mbParam.fincr>0) |
if (pEnc->mbParam.fincr>0) |
175 |
simplify_time(&pEnc->mbParam.fincr, &pEnc->mbParam.fbase); |
simplify_time((int*)&pEnc->mbParam.fincr, (int*)&pEnc->mbParam.fbase); |
176 |
|
|
177 |
/* zones */ |
/* zones */ |
178 |
if(create->num_zones > 0) { |
if(create->num_zones > 0) { |
885 |
#endif |
#endif |
886 |
} |
} |
887 |
|
|
|
static int |
|
|
gcd(int a, int b) |
|
|
{ |
|
|
int r ; |
|
|
|
|
|
if (b > a) { |
|
|
r = a; |
|
|
a = b; |
|
|
b = r; |
|
|
} |
|
|
|
|
|
while ((r = a % b)) { |
|
|
a = b; |
|
|
b = r; |
|
|
} |
|
|
return b; |
|
|
} |
|
|
|
|
888 |
static void |
static void |
889 |
simplify_par(int *par_width, int *par_height) |
simplify_par(int *par_width, int *par_height) |
890 |
{ |
{ |
1148 |
type = frame->type; |
type = frame->type; |
1149 |
pEnc->current->quant = frame->quant; |
pEnc->current->quant = frame->quant; |
1150 |
|
|
1151 |
call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_BEFORE, &type, &pEnc->current->quant, stats); |
call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_BEFORE, &type, (int*)&pEnc->current->quant, stats); |
1152 |
|
|
1153 |
if (type > 0){ /* XVID_TYPE_?VOP */ |
if (type > 0){ /* XVID_TYPE_?VOP */ |
1154 |
type = type2coding(type); /* convert XVID_TYPE_?VOP to bitstream coding type */ |
type = type2coding(type); /* convert XVID_TYPE_?VOP to bitstream coding type */ |
1251 |
SWAP(FRAMEINFO*, pEnc->current, pEnc->bframes[pEnc->bframenum_tail]); |
SWAP(FRAMEINFO*, pEnc->current, pEnc->bframes[pEnc->bframenum_tail]); |
1252 |
|
|
1253 |
if ((pEnc->current->vop_flags & XVID_VOP_DEBUG)) { |
if ((pEnc->current->vop_flags & XVID_VOP_DEBUG)) { |
1254 |
image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 100, "DX50 BVOP->PVOP"); |
image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 100, "CLOSED GOP BVOP->PVOP"); |
1255 |
} |
} |
1256 |
|
|
1257 |
/* convert B-VOP quant to P-VOP */ |
/* convert B-VOP quant to P-VOP */ |
1312 |
|
|
1313 |
/* prevent vol/vop misuse */ |
/* prevent vol/vop misuse */ |
1314 |
|
|
|
if (!(pEnc->current->vol_flags & XVID_VOL_REDUCED_ENABLE)) |
|
|
pEnc->current->vop_flags &= ~XVID_VOP_REDUCED; |
|
|
|
|
1315 |
if (!(pEnc->current->vol_flags & XVID_VOL_INTERLACING)) |
if (!(pEnc->current->vol_flags & XVID_VOL_INTERLACING)) |
1316 |
pEnc->current->vop_flags &= ~(XVID_VOP_TOPFIELDFIRST|XVID_VOP_ALTERNATESCAN); |
pEnc->current->vop_flags &= ~(XVID_VOP_TOPFIELDFIRST|XVID_VOP_ALTERNATESCAN); |
1317 |
|
|
1439 |
|
|
1440 |
uint16_t x, y; |
uint16_t x, y; |
1441 |
|
|
|
if ((pEnc->current->vol_flags & XVID_VOL_REDUCED_ENABLE)) |
|
|
{ |
|
|
mb_width = (pEnc->mbParam.width + 31) / 32; |
|
|
mb_height = (pEnc->mbParam.height + 31) / 32; |
|
|
|
|
|
/* 16x16->8x8 downsample requires 1 additional edge pixel*/ |
|
|
/* XXX: setedges is overkill */ |
|
|
start_timer(); |
|
|
image_setedges(&pEnc->current->image, |
|
|
pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, |
|
|
pEnc->mbParam.width, pEnc->mbParam.height, 0); |
|
|
stop_edges_timer(); |
|
|
} |
|
|
|
|
1442 |
pEnc->mbParam.m_rounding_type = 1; |
pEnc->mbParam.m_rounding_type = 1; |
1443 |
pEnc->current->rounding_type = pEnc->mbParam.m_rounding_type; |
pEnc->current->rounding_type = pEnc->mbParam.m_rounding_type; |
1444 |
pEnc->current->coding_type = I_VOP; |
pEnc->current->coding_type = I_VOP; |
1474 |
stop_prediction_timer(); |
stop_prediction_timer(); |
1475 |
|
|
1476 |
start_timer(); |
start_timer(); |
|
if (pEnc->current->vop_flags & XVID_VOP_GREYSCALE) |
|
|
{ pMB->cbp &= 0x3C; /* keep only bits 5-2 */ |
|
|
qcoeff[4*64+0]=0; /* zero, because for INTRA MBs DC value is saved */ |
|
|
qcoeff[5*64+0]=0; |
|
|
} |
|
1477 |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->current->sStat); |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->current->sStat); |
1478 |
stop_coding_timer(); |
stop_coding_timer(); |
1479 |
} |
} |
1480 |
|
|
|
if ((pEnc->current->vop_flags & XVID_VOP_REDUCED)) |
|
|
{ |
|
|
image_deblock_rrv(&pEnc->current->image, pEnc->mbParam.edged_width, |
|
|
pEnc->current->mbs, mb_width, mb_height, pEnc->mbParam.mb_width, |
|
|
16, 0); |
|
|
} |
|
1481 |
emms(); |
emms(); |
1482 |
|
|
1483 |
BitstreamPadAlways(bs); /* next_start_code() at the end of VideoObjectPlane() */ |
BitstreamPadAlways(bs); /* next_start_code() at the end of VideoObjectPlane() */ |
1493 |
return 1; /* intra */ |
return 1; /* intra */ |
1494 |
} |
} |
1495 |
|
|
1496 |
|
static __inline void |
1497 |
|
updateFcode(Statistics * sStat, Encoder * pEnc) |
1498 |
|
{ |
1499 |
|
float fSigma; |
1500 |
|
int iSearchRange; |
1501 |
|
|
1502 |
#define INTRA_THRESHOLD 0.5 |
if (sStat->iMvCount == 0) |
1503 |
#define BFRAME_SKIP_THRESHHOLD 30 |
sStat->iMvCount = 1; |
1504 |
|
|
1505 |
|
fSigma = (float) sqrt((float) sStat->iMvSum / sStat->iMvCount); |
1506 |
|
|
1507 |
|
iSearchRange = 16 << pEnc->mbParam.m_fcode; |
1508 |
|
|
1509 |
|
if ((3.0 * fSigma > iSearchRange) && (pEnc->mbParam.m_fcode <= 5) ) |
1510 |
|
pEnc->mbParam.m_fcode++; |
1511 |
|
|
1512 |
|
else if ((5.0 * fSigma < iSearchRange) |
1513 |
|
&& (4.0 * pEnc->fMvPrevSigma < iSearchRange) |
1514 |
|
&& (pEnc->mbParam.m_fcode >= 2) ) |
1515 |
|
pEnc->mbParam.m_fcode--; |
1516 |
|
|
1517 |
|
pEnc->fMvPrevSigma = fSigma; |
1518 |
|
} |
1519 |
|
|
1520 |
|
#define BFRAME_SKIP_THRESHHOLD 30 |
1521 |
|
|
1522 |
/* FrameCodeP also handles S(GMC)-VOPs */ |
/* FrameCodeP also handles S(GMC)-VOPs */ |
1523 |
static int |
static int |
1524 |
FrameCodeP(Encoder * pEnc, |
FrameCodeP(Encoder * pEnc, |
1525 |
Bitstream * bs) |
Bitstream * bs) |
1526 |
{ |
{ |
|
float fSigma; |
|
1527 |
int bits = BitstreamPos(bs); |
int bits = BitstreamPos(bs); |
1528 |
|
|
1529 |
DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE); |
DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE); |
1530 |
DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); |
DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); |
1531 |
|
|
1532 |
int x, y, k; |
int x, y, k; |
|
int iSearchRange; |
|
|
int skip_possible; |
|
1533 |
FRAMEINFO *const current = pEnc->current; |
FRAMEINFO *const current = pEnc->current; |
1534 |
FRAMEINFO *const reference = pEnc->reference; |
FRAMEINFO *const reference = pEnc->reference; |
1535 |
MBParam * const pParam = &pEnc->mbParam; |
MBParam * const pParam = &pEnc->mbParam; |
1537 |
int mb_height = pParam->mb_height; |
int mb_height = pParam->mb_height; |
1538 |
int coded = 1; |
int coded = 1; |
1539 |
|
|
|
|
|
|
/* IMAGE *pCurrent = ¤t->image; */ |
|
1540 |
IMAGE *pRef = &reference->image; |
IMAGE *pRef = &reference->image; |
1541 |
|
|
|
if ((current->vop_flags & XVID_VOP_REDUCED)) |
|
|
{ |
|
|
mb_width = (pParam->width + 31) / 32; |
|
|
mb_height = (pParam->height + 31) / 32; |
|
|
} |
|
|
|
|
|
|
|
1542 |
if (!reference->is_edged) { |
if (!reference->is_edged) { |
1543 |
start_timer(); |
start_timer(); |
1544 |
image_setedges(pRef, pParam->edged_width, pParam->edged_height, |
image_setedges(pRef, pParam->edged_width, pParam->edged_height, |
1564 |
} |
} |
1565 |
} |
} |
1566 |
|
|
1567 |
|
current->sStat.iTextBits = current->sStat.iMvSum = current->sStat.iMvCount = |
1568 |
|
current->sStat.kblks = current->sStat.mblks = current->sStat.ublks = 0; |
1569 |
|
|
1570 |
current->coding_type = P_VOP; |
current->coding_type = P_VOP; |
1571 |
|
|
1572 |
call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_FRAME, NULL, NULL, NULL); |
call_plugins(pEnc, pEnc->current, NULL, XVID_PLG_FRAME, NULL, NULL, NULL); |
1635 |
|
|
1636 |
BitstreamWriteVopHeader(bs, &pEnc->mbParam, current, 1, current->mbs[0].quant); |
BitstreamWriteVopHeader(bs, &pEnc->mbParam, current, 1, current->mbs[0].quant); |
1637 |
|
|
|
current->sStat.iTextBits = current->sStat.iMvSum = current->sStat.iMvCount = |
|
|
current->sStat.kblks = current->sStat.mblks = current->sStat.ublks = 0; |
|
|
|
|
|
|
|
1638 |
for (y = 0; y < mb_height; y++) { |
for (y = 0; y < mb_height; y++) { |
1639 |
for (x = 0; x < mb_width; x++) { |
for (x = 0; x < mb_width; x++) { |
1640 |
MACROBLOCK *pMB = |
MACROBLOCK *pMB = ¤t->mbs[x + y * pParam->mb_width]; |
1641 |
¤t->mbs[x + y * pParam->mb_width]; |
int skip_possible; |
|
|
|
|
int bIntra = (pMB->mode == MODE_INTRA) || (pMB->mode == MODE_INTRA_Q); |
|
1642 |
|
|
1643 |
if (bIntra) { |
if (pMB->mode == MODE_INTRA || pMB->mode == MODE_INTRA_Q) { |
1644 |
CodeIntraMB(pEnc, pMB); |
CodeIntraMB(pEnc, pMB); |
1645 |
MBTransQuantIntra(&pEnc->mbParam, current, pMB, x, y, |
MBTransQuantIntra(&pEnc->mbParam, current, pMB, x, y, |
1646 |
dct_codes, qcoeff); |
dct_codes, qcoeff); |
1651 |
|
|
1652 |
current->sStat.kblks++; |
current->sStat.kblks++; |
1653 |
|
|
|
if (pEnc->current->vop_flags & XVID_VOP_GREYSCALE) |
|
|
{ pMB->cbp &= 0x3C; /* keep only bits 5-2 */ |
|
|
qcoeff[4*64+0]=0; /* zero, because for INTRA MBs DC value is saved */ |
|
|
qcoeff[5*64+0]=0; |
|
|
} |
|
1654 |
MBCoding(current, pMB, qcoeff, bs, ¤t->sStat); |
MBCoding(current, pMB, qcoeff, bs, ¤t->sStat); |
1655 |
stop_coding_timer(); |
stop_coding_timer(); |
1656 |
continue; |
continue; |
1665 |
pParam->height, |
pParam->height, |
1666 |
pParam->edged_width, |
pParam->edged_width, |
1667 |
(current->vol_flags & XVID_VOL_QUARTERPEL), |
(current->vol_flags & XVID_VOL_QUARTERPEL), |
|
(current->vop_flags & XVID_VOP_REDUCED), |
|
1668 |
current->rounding_type); |
current->rounding_type); |
1669 |
|
|
1670 |
stop_comp_timer(); |
stop_comp_timer(); |
1671 |
|
|
1672 |
pMB->field_pred = 0; |
pMB->field_pred = 0; |
1673 |
|
|
1674 |
if (pMB->mode != MODE_NOT_CODED) |
if (pMB->cbp != 0) { |
1675 |
{ pMB->cbp = |
pMB->cbp = MBTransQuantInter(&pEnc->mbParam, current, pMB, x, y, |
|
MBTransQuantInter(&pEnc->mbParam, current, pMB, x, y, |
|
1676 |
dct_codes, qcoeff); |
dct_codes, qcoeff); |
1677 |
} |
} |
1678 |
|
|
1692 |
|
|
1693 |
/* Finished processing the MB, now check if to CODE or SKIP */ |
/* Finished processing the MB, now check if to CODE or SKIP */ |
1694 |
|
|
1695 |
skip_possible = (pMB->cbp == 0) && (pMB->mode == MODE_INTER) && |
skip_possible = (pMB->cbp == 0) && (pMB->mode == MODE_INTER); |
|
(pMB->dquant == 0); |
|
1696 |
|
|
1697 |
if (current->coding_type == S_VOP) |
if (current->coding_type == S_VOP) |
1698 |
skip_possible &= (pMB->mcsel == 1); |
skip_possible &= (pMB->mcsel == 1); |
1699 |
else if (current->coding_type == P_VOP) { |
else { /* PVOP */ |
1700 |
if ((pParam->vol_flags & XVID_VOL_QUARTERPEL)) |
const VECTOR * const mv = (pParam->vol_flags & XVID_VOL_QUARTERPEL) ? |
1701 |
skip_possible &= ( (pMB->qmvs[0].x == 0) && (pMB->qmvs[0].y == 0) ); |
pMB->qmvs : pMB->mvs; |
1702 |
else |
skip_possible &= ((mv->x|mv->y) == 0); |
|
skip_possible &= ( (pMB->mvs[0].x == 0) && (pMB->mvs[0].y == 0) ); |
|
1703 |
} |
} |
1704 |
|
|
1705 |
if ( (pMB->mode == MODE_NOT_CODED) || (skip_possible)) { |
if ( (pMB->mode == MODE_NOT_CODED) || (skip_possible)) { |
|
|
|
1706 |
/* This is a candidate for SKIPping, but for P-VOPs check intermediate B-frames first */ |
/* This is a candidate for SKIPping, but for P-VOPs check intermediate B-frames first */ |
|
|
|
|
if (current->coding_type == P_VOP) /* special rule for P-VOP's SKIP */ |
|
|
{ |
|
1707 |
int bSkip = 1; |
int bSkip = 1; |
1708 |
|
|
1709 |
for (k=pEnc->bframenum_head; k< pEnc->bframenum_tail; k++) |
if (current->coding_type == P_VOP) { /* special rule for P-VOP's SKIP */ |
1710 |
{ |
|
1711 |
|
for (k = pEnc->bframenum_head; k < pEnc->bframenum_tail; k++) { |
1712 |
int iSAD; |
int iSAD; |
1713 |
iSAD = sad16(reference->image.y + 16*y*pParam->edged_width + 16*x, |
iSAD = sad16(reference->image.y + 16*y*pParam->edged_width + 16*x, |
1714 |
pEnc->bframes[k]->image.y + 16*y*pParam->edged_width + 16*x, |
pEnc->bframes[k]->image.y + 16*y*pParam->edged_width + 16*x, |
1715 |
pParam->edged_width,BFRAME_SKIP_THRESHHOLD); |
pParam->edged_width, BFRAME_SKIP_THRESHHOLD * pMB->quant); |
1716 |
if (iSAD >= BFRAME_SKIP_THRESHHOLD * pMB->quant) |
if (iSAD >= BFRAME_SKIP_THRESHHOLD * pMB->quant) { |
1717 |
{ bSkip = 0; |
bSkip = 0; /* could not SKIP */ |
1718 |
break; |
if (pParam->vol_flags & XVID_VOL_QUARTERPEL) { |
|
} |
|
|
} |
|
|
|
|
|
if (!bSkip) { /* no SKIP, but trivial block */ |
|
|
if((pParam->vol_flags & XVID_VOL_QUARTERPEL)) { |
|
1719 |
VECTOR predMV = get_qpmv2(current->mbs, pParam->mb_width, 0, x, y, 0); |
VECTOR predMV = get_qpmv2(current->mbs, pParam->mb_width, 0, x, y, 0); |
1720 |
pMB->pmvs[0].x = - predMV.x; |
pMB->pmvs[0].x = - predMV.x; |
1721 |
pMB->pmvs[0].y = - predMV.y; |
pMB->pmvs[0].y = - predMV.y; |
1722 |
} |
} else { |
|
else { |
|
1723 |
VECTOR predMV = get_pmv2(current->mbs, pParam->mb_width, 0, x, y, 0); |
VECTOR predMV = get_pmv2(current->mbs, pParam->mb_width, 0, x, y, 0); |
1724 |
pMB->pmvs[0].x = - predMV.x; |
pMB->pmvs[0].x = - predMV.x; |
1725 |
pMB->pmvs[0].y = - predMV.y; |
pMB->pmvs[0].y = - predMV.y; |
1726 |
} |
} |
1727 |
pMB->mode = MODE_INTER; |
pMB->mode = MODE_INTER; |
1728 |
pMB->cbp = 0; |
pMB->cbp = 0; |
1729 |
MBCoding(current, pMB, qcoeff, bs, ¤t->sStat); |
break; |
1730 |
stop_coding_timer(); |
} |
|
|
|
|
continue; /* next MB */ |
|
1731 |
} |
} |
1732 |
} |
} |
|
/* do SKIP */ |
|
1733 |
|
|
1734 |
|
if (bSkip) { |
1735 |
|
/* do SKIP */ |
1736 |
pMB->mode = MODE_NOT_CODED; |
pMB->mode = MODE_NOT_CODED; |
1737 |
MBSkip(bs); |
MBSkip(bs); |
1738 |
stop_coding_timer(); |
stop_coding_timer(); |
1739 |
continue; /* next MB */ |
continue; /* next MB */ |
1740 |
} |
} |
|
/* ordinary case: normal coded INTER/INTER4V block */ |
|
|
|
|
|
if ((current->vop_flags & XVID_VOP_GREYSCALE)) |
|
|
{ pMB->cbp &= 0x3C; /* keep only bits 5-2 */ |
|
|
qcoeff[4*64+0]=0; /* zero, because DC for INTRA MBs DC value is saved */ |
|
|
qcoeff[5*64+0]=0; |
|
|
} |
|
|
|
|
|
if((pParam->vol_flags & XVID_VOL_QUARTERPEL)) { |
|
|
VECTOR predMV = get_qpmv2(current->mbs, pParam->mb_width, 0, x, y, 0); |
|
|
pMB->pmvs[0].x = pMB->qmvs[0].x - predMV.x; |
|
|
pMB->pmvs[0].y = pMB->qmvs[0].y - predMV.y; |
|
|
DPRINTF(XVID_DEBUG_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)\n", pMB->pmvs[0].x, pMB->pmvs[0].y, predMV.x, predMV.y, pMB->mvs[0].x, pMB->mvs[0].y); |
|
|
} else { |
|
|
VECTOR predMV = get_pmv2(current->mbs, pParam->mb_width, 0, x, y, 0); |
|
|
pMB->pmvs[0].x = pMB->mvs[0].x - predMV.x; |
|
|
pMB->pmvs[0].y = pMB->mvs[0].y - predMV.y; |
|
|
DPRINTF(XVID_DEBUG_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)\n", pMB->pmvs[0].x, pMB->pmvs[0].y, predMV.x, predMV.y, pMB->mvs[0].x, pMB->mvs[0].y); |
|
|
} |
|
|
|
|
|
|
|
|
if (pMB->mode == MODE_INTER4V) |
|
|
{ int k; |
|
|
for (k=1;k<4;k++) |
|
|
{ |
|
|
if((pParam->vol_flags & XVID_VOL_QUARTERPEL)) { |
|
|
VECTOR predMV = get_qpmv2(current->mbs, pParam->mb_width, 0, x, y, k); |
|
|
pMB->pmvs[k].x = pMB->qmvs[k].x - predMV.x; |
|
|
pMB->pmvs[k].y = pMB->qmvs[k].y - predMV.y; |
|
|
DPRINTF(XVID_DEBUG_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)\n", pMB->pmvs[k].x, pMB->pmvs[k].y, predMV.x, predMV.y, pMB->mvs[k].x, pMB->mvs[k].y); |
|
|
} else { |
|
|
VECTOR predMV = get_pmv2(current->mbs, pParam->mb_width, 0, x, y, k); |
|
|
pMB->pmvs[k].x = pMB->mvs[k].x - predMV.x; |
|
|
pMB->pmvs[k].y = pMB->mvs[k].y - predMV.y; |
|
|
DPRINTF(XVID_DEBUG_MV,"mv_diff (%i,%i) pred (%i,%i) result (%i,%i)\n", pMB->pmvs[k].x, pMB->pmvs[k].y, predMV.x, predMV.y, pMB->mvs[k].x, pMB->mvs[k].y); |
|
|
} |
|
|
|
|
|
} |
|
1741 |
} |
} |
1742 |
|
|
1743 |
|
/* ordinary case: normal coded INTER/INTER4V block */ |
1744 |
MBCoding(current, pMB, qcoeff, bs, &pEnc->current->sStat); |
MBCoding(current, pMB, qcoeff, bs, &pEnc->current->sStat); |
1745 |
stop_coding_timer(); |
stop_coding_timer(); |
|
|
|
1746 |
} |
} |
1747 |
} |
} |
1748 |
|
|
|
if ((current->vop_flags & XVID_VOP_REDUCED)) |
|
|
{ |
|
|
image_deblock_rrv(¤t->image, pParam->edged_width, |
|
|
current->mbs, mb_width, mb_height, pParam->mb_width, |
|
|
16, 0); |
|
|
} |
|
|
|
|
1749 |
emms(); |
emms(); |
1750 |
|
updateFcode(¤t->sStat, pEnc); |
|
if (current->sStat.iMvCount == 0) |
|
|
current->sStat.iMvCount = 1; |
|
|
|
|
|
fSigma = (float) sqrt((float) current->sStat.iMvSum / current->sStat.iMvCount); |
|
|
|
|
|
iSearchRange = 1 << (3 + pParam->m_fcode); |
|
|
|
|
|
if ((fSigma > iSearchRange / 3) |
|
|
&& (pParam->m_fcode <= (3 + (pParam->vol_flags & XVID_VOL_QUARTERPEL?1:0) ))) /* maximum search range 128 */ |
|
|
{ |
|
|
pParam->m_fcode++; |
|
|
iSearchRange *= 2; |
|
|
} else if ((fSigma < iSearchRange / 6) |
|
|
&& (pEnc->fMvPrevSigma >= 0) |
|
|
&& (pEnc->fMvPrevSigma < iSearchRange / 6) |
|
|
&& (pParam->m_fcode >= (2 + (pParam->vol_flags & XVID_VOL_QUARTERPEL?1:0) ))) /* minimum search range 16 */ |
|
|
{ |
|
|
pParam->m_fcode--; |
|
|
iSearchRange /= 2; |
|
|
} |
|
|
|
|
|
pEnc->fMvPrevSigma = fSigma; |
|
1751 |
|
|
1752 |
/* frame drop code */ |
/* frame drop code */ |
1753 |
#if 0 |
#if 0 |
1832 |
fprintf(fp,"Y=%3d X=%3d MB=%2d CBP=%02X\n",y,x,mb->mode,mb->cbp); \ |
fprintf(fp,"Y=%3d X=%3d MB=%2d CBP=%02X\n",y,x,mb->mode,mb->cbp); \ |
1833 |
} |
} |
1834 |
|
|
|
/* XXX: pEnc->current->global_flags &= ~XVID_VOP_REDUCED; reduced resoltion not yet supported */ |
|
|
|
|
1835 |
if (!first){ |
if (!first){ |
1836 |
fp=fopen("C:\\XVIDDBGE.TXT","w"); |
fp=fopen("C:\\XVIDDBGE.TXT","w"); |
1837 |
} |
} |
1902 |
if (mb->mode == MODE_NOT_CODED) { |
if (mb->mode == MODE_NOT_CODED) { |
1903 |
if (pEnc->mbParam.plugin_flags & XVID_REQORIGINAL) { |
if (pEnc->mbParam.plugin_flags & XVID_REQORIGINAL) { |
1904 |
MBMotionCompensation(mb, x, y, f_ref, NULL, f_ref, NULL, NULL, &frame->image, |
MBMotionCompensation(mb, x, y, f_ref, NULL, f_ref, NULL, NULL, &frame->image, |
1905 |
NULL, 0, 0, pEnc->mbParam.edged_width, 0, 0, 0); |
NULL, 0, 0, pEnc->mbParam.edged_width, 0, 0); |
1906 |
} |
} |
|
|
|
1907 |
continue; |
continue; |
1908 |
} |
} |
1909 |
|
|
1910 |
if (mb->mode != MODE_DIRECT_NONE_MV || pEnc->mbParam.plugin_flags & XVID_REQORIGINAL) { |
mb->quant = frame->quant; |
1911 |
|
|
1912 |
|
if (mb->cbp != 0 || pEnc->mbParam.plugin_flags & XVID_REQORIGINAL) { |
1913 |
|
/* we have to motion-compensate, transfer etc, |
1914 |
|
because there might be blocks to code */ |
1915 |
|
|
1916 |
MBMotionCompensationBVOP(&pEnc->mbParam, mb, x, y, &frame->image, |
MBMotionCompensationBVOP(&pEnc->mbParam, mb, x, y, &frame->image, |
1917 |
f_ref, &pEnc->f_refh, &pEnc->f_refv, |
f_ref, &pEnc->f_refh, &pEnc->f_refv, |
1918 |
&pEnc->f_refhv, b_ref, &pEnc->vInterH, |
&pEnc->f_refhv, b_ref, &pEnc->vInterH, |
1919 |
&pEnc->vInterV, &pEnc->vInterHV, |
&pEnc->vInterV, &pEnc->vInterHV, |
1920 |
dct_codes); |
dct_codes); |
1921 |
|
|
|
if (mb->mode == MODE_DIRECT_NO4V) mb->mode = MODE_DIRECT; |
|
|
mb->quant = frame->quant; |
|
|
|
|
|
if (mb->mode != MODE_DIRECT_NONE_MV) |
|
1922 |
mb->cbp = MBTransQuantInterBVOP(&pEnc->mbParam, frame, mb, x, y, dct_codes, qcoeff); |
mb->cbp = MBTransQuantInterBVOP(&pEnc->mbParam, frame, mb, x, y, dct_codes, qcoeff); |
|
|
|
|
if ( (mb->mode == MODE_DIRECT) && (mb->cbp == 0) |
|
|
&& (mb->pmvs[3].x == 0) && (mb->pmvs[3].y == 0) ) { |
|
|
mb->mode = MODE_DIRECT_NONE_MV; /* skipped */ |
|
|
} |
|
1923 |
} |
} |
1924 |
|
|
1925 |
/* keep only bits 5-2 -- Chroma blocks will just be skipped by the |
if (mb->mode == MODE_DIRECT_NO4V) |
1926 |
* coding function for BFrames, that's why we don't zero teh DC |
mb->mode = MODE_DIRECT; |
1927 |
* coeffs */ |
|
1928 |
if ((frame->vop_flags & XVID_VOP_GREYSCALE)) |
if (mb->mode == MODE_DIRECT && (mb->cbp | mb->pmvs[3].x | mb->pmvs[3].y) == 0) |
1929 |
|
mb->mode = MODE_DIRECT_NONE_MV; /* skipped */ |
1930 |
|
else |
1931 |
|
if (frame->vop_flags & XVID_VOP_GREYSCALE) |
1932 |
|
/* keep only bits 5-2 -- Chroma blocks will just be skipped by MBCodingBVOP */ |
1933 |
mb->cbp &= 0x3C; |
mb->cbp &= 0x3C; |
1934 |
|
|
1935 |
start_timer(); |
start_timer(); |
1941 |
|
|
1942 |
emms(); |
emms(); |
1943 |
|
|
|
/* TODO: dynamic fcode/bcode ??? */ |
|
|
|
|
1944 |
BitstreamPadAlways(bs); /* next_start_code() at the end of VideoObjectPlane() */ |
BitstreamPadAlways(bs); /* next_start_code() at the end of VideoObjectPlane() */ |
1945 |
frame->length = (BitstreamPos(bs) - bits) / 8; |
frame->length = (BitstreamPos(bs) - bits) / 8; |
1946 |
|
|