26 |
* along with this program; if not, write to the Free Software |
* along with this program; if not, write to the Free Software |
27 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
28 |
* |
* |
29 |
****************************************************************************/ |
* $Id: encoder.c,v 1.94 2003-02-19 10:08:20 chl Exp $ |
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/***************************************************************************** |
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* |
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* History |
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* |
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* 10.07.2002 added BFRAMES_DEC_DEBUG support |
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* MinChen <chenm001@163.com> |
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* 20.06.2002 bframe patch |
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* 08.05.2002 fix some problem in DEBUG mode; |
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* MinChen <chenm001@163.com> |
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* 14.04.2002 added FrameCodeB() |
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* |
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* $Id: encoder.c,v 1.92 2003-02-15 18:48:15 edgomez Exp $ |
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* |
* |
31 |
****************************************************************************/ |
****************************************************************************/ |
32 |
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592 |
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593 |
static __inline void inc_frame_num(Encoder * pEnc) |
static __inline void inc_frame_num(Encoder * pEnc) |
594 |
{ |
{ |
595 |
pEnc->current->stamp = pEnc->mbParam.m_stamp; // first frame is zero |
pEnc->current->stamp = pEnc->mbParam.m_stamp; /* first frame is zero */ |
596 |
pEnc->mbParam.m_stamp += pEnc->mbParam.fincr; |
pEnc->mbParam.m_stamp += pEnc->mbParam.fincr; |
597 |
} |
} |
598 |
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634 |
pCur->ticks = (int32_t)pCur->stamp % time_base; |
pCur->ticks = (int32_t)pCur->stamp % time_base; |
635 |
pCur->seconds = ((int32_t)pCur->stamp / time_base) - ((int32_t)pRef->stamp / time_base) ; |
pCur->seconds = ((int32_t)pCur->stamp / time_base) - ((int32_t)pRef->stamp / time_base) ; |
636 |
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637 |
//HEAVY DEBUG OUTPUT remove when timecodes prove to be stable |
/* HEAVY DEBUG OUTPUT remove when timecodes prove to be stable */ |
638 |
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639 |
/* fprintf(stderr,"WriteVop: %d - %d \n", |
/* fprintf(stderr,"WriteVop: %d - %d \n", |
640 |
((int32_t)pCur->stamp / time_base), ((int32_t)pRef->stamp / time_base)); |
((int32_t)pCur->stamp / time_base), ((int32_t)pRef->stamp / time_base)); |
847 |
pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width); |
pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width); |
848 |
} |
} |
849 |
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850 |
// queue input frame, and dequue next image |
/* queue input frame, and dequue next image */ |
851 |
if (pEnc->queue_size > 0) |
if (pEnc->queue_size > 0) |
852 |
{ |
{ |
853 |
image_swap(&pEnc->current->image, &pEnc->queue[pEnc->queue_tail]); |
image_swap(&pEnc->current->image, &pEnc->queue[pEnc->queue_tail]); |
878 |
pEnc->bframenum_head, pEnc->bframenum_tail, |
pEnc->bframenum_head, pEnc->bframenum_tail, |
879 |
pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size); |
pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size); |
880 |
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881 |
// BitstreamPutBits(&bs, 0x7f, 8); |
/* That disabled line of code was supposed to inform VirtualDub |
882 |
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* that the frame was a dummy delay frame - now disabled (thx god :-) |
883 |
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*/ |
884 |
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/* BitstreamPutBits(&bs, 0x7f, 8); */ |
885 |
pFrame->intra = 5; |
pFrame->intra = 5; |
886 |
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887 |
if (pResult) { |
if (pResult) { |
927 |
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928 |
emms(); |
emms(); |
929 |
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930 |
// only inc frame num, adapt quant, etc. if we havent seen it before |
/* only inc frame num, adapt quant, etc. if we havent seen it before */ |
931 |
if (pEnc->bframenum_dx50bvop < 0 ) |
if (pEnc->bframenum_dx50bvop < 0 ) |
932 |
{ |
{ |
933 |
mode = intra2coding_type(pFrame->intra); |
mode = intra2coding_type(pFrame->intra); |
1043 |
image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "IVOP"); |
image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "IVOP"); |
1044 |
} |
} |
1045 |
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1046 |
// when we reach an iframe in DX50BVOP mode, encode the last bframe as a pframe |
/* when we reach an iframe in DX50BVOP mode, encode the last bframe as a pframe */ |
1047 |
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1048 |
if ((pEnc->mbParam.global & XVID_GLOBAL_DX50BVOP) && pEnc->bframenum_tail > 0) { |
if ((pEnc->mbParam.global & XVID_GLOBAL_DX50BVOP) && pEnc->bframenum_tail > 0) { |
1049 |
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1135 |
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1136 |
pEnc->bframenum_tail++; |
pEnc->bframenum_tail++; |
1137 |
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1138 |
// bframe report by koepi |
/* bframe report by koepi */ |
1139 |
pFrame->intra = 2; |
pFrame->intra = 2; |
1140 |
pFrame->length = 0; |
pFrame->length = 0; |
1141 |
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1207 |
uint16_t write_vol_header = 0; |
uint16_t write_vol_header = 0; |
1208 |
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1209 |
float psnr; |
float psnr; |
1210 |
uint8_t temp[128]; |
char temp[128]; |
1211 |
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1212 |
start_global_timer(); |
start_global_timer(); |
1213 |
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1339 |
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1340 |
} |
} |
1341 |
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1342 |
// BitstreamPutBits(&bs, 0xFFFF, 16); |
/* Relic from OpenDivX - now disabled |
1343 |
// BitstreamPutBits(&bs, 0xFFFF, 16); |
BitstreamPutBits(&bs, 0xFFFF, 16); |
1344 |
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BitstreamPutBits(&bs, 0xFFFF, 16); |
1345 |
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*/ |
1346 |
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1347 |
BitstreamPadAlways(&bs); |
BitstreamPadAlways(&bs); |
1348 |
pFrame->length = BitstreamLength(&bs); |
pFrame->length = BitstreamLength(&bs); |
1349 |
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1494 |
pMB->pmvs[vec].x = pMB->mvs[vec].x - pred.x; |
pMB->pmvs[vec].x = pMB->mvs[vec].x - pred.x; |
1495 |
pMB->pmvs[vec].y = pMB->mvs[vec].y - pred.y; |
pMB->pmvs[vec].y = pMB->mvs[vec].y - pred.y; |
1496 |
} |
} |
1497 |
} else // intra / stuffing / not_coded |
} else /* intra / stuffing / not_coded */ |
1498 |
{ |
{ |
1499 |
for (vec = 0; vec < 4; ++vec) { |
for (vec = 0; vec < 4; ++vec) { |
1500 |
pMB->mvs[vec].x = pMB->mvs[vec].y = 0; |
pMB->mvs[vec].x = pMB->mvs[vec].y = 0; |
1691 |
HintedMEGet(pEnc, 1); |
HintedMEGet(pEnc, 1); |
1692 |
} |
} |
1693 |
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1694 |
return 1; // intra |
return 1; /* intra */ |
1695 |
} |
} |
1696 |
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1697 |
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2029 |
iSearchRange = 1 << (3 + pEnc->mbParam.m_fcode); |
iSearchRange = 1 << (3 + pEnc->mbParam.m_fcode); |
2030 |
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2031 |
if ((fSigma > iSearchRange / 3) |
if ((fSigma > iSearchRange / 3) |
2032 |
&& (pEnc->mbParam.m_fcode <= (3 + pEnc->mbParam.m_quarterpel))) // maximum search range 128 |
&& (pEnc->mbParam.m_fcode <= (3 + pEnc->mbParam.m_quarterpel))) /* maximum search range 128 */ |
2033 |
{ |
{ |
2034 |
pEnc->mbParam.m_fcode++; |
pEnc->mbParam.m_fcode++; |
2035 |
iSearchRange *= 2; |
iSearchRange *= 2; |
2036 |
} else if ((fSigma < iSearchRange / 6) |
} else if ((fSigma < iSearchRange / 6) |
2037 |
&& (pEnc->fMvPrevSigma >= 0) |
&& (pEnc->fMvPrevSigma >= 0) |
2038 |
&& (pEnc->fMvPrevSigma < iSearchRange / 6) |
&& (pEnc->fMvPrevSigma < iSearchRange / 6) |
2039 |
&& (pEnc->mbParam.m_fcode >= (2 + pEnc->mbParam.m_quarterpel))) // minimum search range 16 |
&& (pEnc->mbParam.m_fcode >= (2 + pEnc->mbParam.m_quarterpel))) /* minimum search range 16 */ |
2040 |
{ |
{ |
2041 |
pEnc->mbParam.m_fcode--; |
pEnc->mbParam.m_fcode--; |
2042 |
iSearchRange /= 2; |
iSearchRange /= 2; |
2057 |
set_timecodes(pEnc->current,pEnc->reference,pEnc->mbParam.fbase); |
set_timecodes(pEnc->current,pEnc->reference,pEnc->mbParam.fbase); |
2058 |
BitstreamWriteVopHeader(bs, &pEnc->mbParam, pEnc->current, 0); |
BitstreamWriteVopHeader(bs, &pEnc->mbParam, pEnc->current, 0); |
2059 |
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2060 |
// copy reference frame details into the current frame |
/* copy reference frame details into the current frame */ |
2061 |
pEnc->current->quant = pEnc->reference->quant; |
pEnc->current->quant = pEnc->reference->quant; |
2062 |
pEnc->current->motion_flags = pEnc->reference->motion_flags; |
pEnc->current->motion_flags = pEnc->reference->motion_flags; |
2063 |
pEnc->current->rounding_type = pEnc->reference->rounding_type; |
pEnc->current->rounding_type = pEnc->reference->rounding_type; |
2086 |
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2087 |
*pBits = BitstreamPos(bs) - *pBits; |
*pBits = BitstreamPos(bs) - *pBits; |
2088 |
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2089 |
return 0; // inter |
return 0; /* inter */ |
2090 |
} |
} |
2091 |
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2092 |
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2119 |
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2120 |
frame->quarterpel = pEnc->mbParam.m_quarterpel; |
frame->quarterpel = pEnc->mbParam.m_quarterpel; |
2121 |
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2122 |
// forward |
/* forward */ |
2123 |
image_setedges(f_ref, pEnc->mbParam.edged_width, |
image_setedges(f_ref, pEnc->mbParam.edged_width, |
2124 |
pEnc->mbParam.edged_height, pEnc->mbParam.width, |
pEnc->mbParam.edged_height, pEnc->mbParam.width, |
2125 |
pEnc->mbParam.height); |
pEnc->mbParam.height); |
2129 |
pEnc->mbParam.m_quarterpel, 0); |
pEnc->mbParam.m_quarterpel, 0); |
2130 |
stop_inter_timer(); |
stop_inter_timer(); |
2131 |
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2132 |
// backward |
/* backward */ |
2133 |
image_setedges(b_ref, pEnc->mbParam.edged_width, |
image_setedges(b_ref, pEnc->mbParam.edged_width, |
2134 |
pEnc->mbParam.edged_height, pEnc->mbParam.width, |
pEnc->mbParam.edged_height, pEnc->mbParam.width, |
2135 |
pEnc->mbParam.height); |
pEnc->mbParam.height); |
2142 |
start_timer(); |
start_timer(); |
2143 |
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2144 |
MotionEstimationBVOP(&pEnc->mbParam, frame, |
MotionEstimationBVOP(&pEnc->mbParam, frame, |
2145 |
((int32_t)(pEnc->current->stamp - frame->stamp)), // time_bp |
((int32_t)(pEnc->current->stamp - frame->stamp)), /* time_bp */ |
2146 |
((int32_t)(pEnc->current->stamp - pEnc->reference->stamp)), // time_pp |
((int32_t)(pEnc->current->stamp - pEnc->reference->stamp)), /* time_pp */ |
2147 |
pEnc->reference->mbs, f_ref, |
pEnc->reference->mbs, f_ref, |
2148 |
&pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv, |
&pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv, |
2149 |
pEnc->current, b_ref, &pEnc->vInterH, |
pEnc->current, b_ref, &pEnc->vInterH, |
2152 |
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2153 |
stop_motion_timer(); |
stop_motion_timer(); |
2154 |
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2155 |
/*if (test_quant_type(&pEnc->mbParam, pEnc->current)) |
/* |
2156 |
{ |
if (test_quant_type(&pEnc->mbParam, pEnc->current)) { |
2157 |
BitstreamWriteVolHeader(bs, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.quant_type); |
BitstreamWriteVolHeader(bs, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.quant_type); |
2158 |
} */ |
} |
2159 |
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*/ |
2160 |
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2161 |
frame->coding_type = B_VOP; |
frame->coding_type = B_VOP; |
2162 |
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2176 |
MACROBLOCK * const mb = &frame->mbs[x + y * pEnc->mbParam.mb_width]; |
MACROBLOCK * const mb = &frame->mbs[x + y * pEnc->mbParam.mb_width]; |
2177 |
int direction = pEnc->mbParam.global & XVID_ALTERNATESCAN ? 2 : 0; |
int direction = pEnc->mbParam.global & XVID_ALTERNATESCAN ? 2 : 0; |
2178 |
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2179 |
// decoder ignores mb when refence block is INTER(0,0), CBP=0 |
/* decoder ignores mb when refence block is INTER(0,0), CBP=0 */ |
2180 |
if (mb->mode == MODE_NOT_CODED) { |
if (mb->mode == MODE_NOT_CODED) { |
2181 |
//mb->mvs[0].x = mb->mvs[0].y = mb->cbp = 0; |
/* mb->mvs[0].x = mb->mvs[0].y = mb->cbp = 0; */ |
2182 |
continue; |
continue; |
2183 |
} |
} |
2184 |
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2197 |
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2198 |
if ( (mb->mode == MODE_DIRECT) && (mb->cbp == 0) |
if ( (mb->mode == MODE_DIRECT) && (mb->cbp == 0) |
2199 |
&& (mb->pmvs[3].x == 0) && (mb->pmvs[3].y == 0) ) { |
&& (mb->pmvs[3].x == 0) && (mb->pmvs[3].y == 0) ) { |
2200 |
mb->mode = MODE_DIRECT_NONE_MV; // skipped |
mb->mode = MODE_DIRECT_NONE_MV; /* skipped */ |
2201 |
} |
} |
2202 |
} |
} |
2203 |
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2213 |
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2214 |
emms(); |
emms(); |
2215 |
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2216 |
// TODO: dynamic fcode/bcode ??? |
/* TODO: dynamic fcode/bcode ??? */ |
2217 |
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2218 |
*pBits = BitstreamPos(bs) - *pBits; |
*pBits = BitstreamPos(bs) - *pBits; |
2219 |
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