39 |
* MinChen <chenm001@163.com> |
* MinChen <chenm001@163.com> |
40 |
* 14.04.2002 added FrameCodeB() |
* 14.04.2002 added FrameCodeB() |
41 |
* |
* |
42 |
* $Id: encoder.c,v 1.65 2002-07-28 13:06:45 chl Exp $ |
* $Id: encoder.c,v 1.74 2002-08-09 20:05:28 chl Exp $ |
43 |
* |
* |
44 |
****************************************************************************/ |
****************************************************************************/ |
45 |
|
|
424 |
pEnc->mbParam.m_seconds = 0; |
pEnc->mbParam.m_seconds = 0; |
425 |
pEnc->mbParam.m_ticks = 0; |
pEnc->mbParam.m_ticks = 0; |
426 |
pEnc->m_framenum = 0; |
pEnc->m_framenum = 0; |
427 |
pEnc->last_pframe = 1; |
pEnc->last_pframe = 0; |
428 |
|
pEnc->last_sync = 0; |
429 |
#endif |
#endif |
430 |
|
|
431 |
pParam->handle = (void *) pEnc; |
pParam->handle = (void *) pEnc; |
624 |
#ifdef BFRAMES |
#ifdef BFRAMES |
625 |
void inc_frame_num(Encoder * pEnc) |
void inc_frame_num(Encoder * pEnc) |
626 |
{ |
{ |
|
pEnc->iFrameNum++; |
|
627 |
pEnc->mbParam.m_ticks += pEnc->mbParam.fincr; |
pEnc->mbParam.m_ticks += pEnc->mbParam.fincr; |
628 |
|
|
|
pEnc->mbParam.m_seconds = pEnc->mbParam.m_ticks / pEnc->mbParam.fbase; |
|
629 |
pEnc->mbParam.m_ticks = pEnc->mbParam.m_ticks % pEnc->mbParam.fbase; |
pEnc->mbParam.m_ticks = pEnc->mbParam.m_ticks % pEnc->mbParam.fbase; |
630 |
|
|
631 |
|
/* fprintf(stderr, "ENC %c %i:%i %i\n", |
632 |
|
pEnc->current->coding_type == I_VOP ? 'I' : pEnc->current->coding_type == P_VOP ? 'P' : 'B', |
633 |
|
pEnc->mbParam.m_seconds, pEnc->mbParam.m_ticks,pEnc->last_sync); |
634 |
|
*/ |
635 |
|
|
636 |
|
if (pEnc->mbParam.m_ticks < pEnc->last_sync) |
637 |
|
pEnc->mbParam.m_seconds = 1; // more than 1 second since last I or P is not supported. |
638 |
|
else |
639 |
|
pEnc->mbParam.m_seconds = 0; |
640 |
|
|
641 |
|
if (pEnc->current->coding_type != B_VOP) |
642 |
|
pEnc->last_sync = pEnc->mbParam.m_ticks; |
643 |
|
|
644 |
} |
} |
645 |
#endif |
#endif |
646 |
|
|
839 |
|
|
840 |
pFrame->intra = 0; |
pFrame->intra = 0; |
841 |
|
|
842 |
BitstreamPutBits(&bs, 0x7f, 8); |
BitstreamWriteVopHeader(&bs, &pEnc->mbParam, pEnc->current, 0); // write N_VOP |
843 |
BitstreamPad(&bs); |
BitstreamPad(&bs); |
844 |
pFrame->length = BitstreamLength(&bs); |
pFrame->length = BitstreamLength(&bs); |
845 |
|
|
1057 |
goto bvop_loop; |
goto bvop_loop; |
1058 |
} |
} |
1059 |
|
|
1060 |
|
pEnc->iFrameNum++; |
1061 |
|
|
1062 |
BitstreamPad(&bs); |
BitstreamPad(&bs); |
1063 |
pFrame->length = BitstreamLength(&bs); |
pFrame->length = BitstreamLength(&bs); |
1064 |
|
|
1268 |
|
|
1269 |
#ifdef BFRAMES |
#ifdef BFRAMES |
1270 |
inc_frame_num(pEnc); |
inc_frame_num(pEnc); |
|
#else |
|
|
pEnc->iFrameNum++; |
|
1271 |
#endif |
#endif |
1272 |
|
pEnc->iFrameNum++; |
1273 |
|
|
1274 |
stop_global_timer(); |
stop_global_timer(); |
1275 |
write_timer(); |
write_timer(); |
1549 |
stop_prediction_timer(); |
stop_prediction_timer(); |
1550 |
|
|
1551 |
start_timer(); |
start_timer(); |
1552 |
|
if (pEnc->current->global_flags & XVID_GREYSCALE) |
1553 |
|
{ pMB->cbp &= 0x3C; /* keep only bits 5-2 */ |
1554 |
|
qcoeff[4*64+0]=0; /* zero, because for INTRA MBs DC value is saved */ |
1555 |
|
qcoeff[5*64+0]=0; |
1556 |
|
} |
1557 |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
1558 |
stop_coding_timer(); |
stop_coding_timer(); |
1559 |
} |
} |
1590 |
DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); |
DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); |
1591 |
|
|
1592 |
int iLimit; |
int iLimit; |
1593 |
int k; |
int x, y, k; |
|
int x, y; |
|
1594 |
int iSearchRange; |
int iSearchRange; |
1595 |
int bIntra; |
int bIntra; |
1596 |
|
|
1742 |
} |
} |
1743 |
if (!bSkip) |
if (!bSkip) |
1744 |
{ |
{ |
1745 |
|
if (pEnc->current->global_flags & XVID_GREYSCALE) |
1746 |
|
{ pMB->cbp &= 0x3C; /* keep only bits 5-2 */ |
1747 |
|
qcoeff[4*64+0]=0; /* zero, because DC for INTRA MBs DC value is saved */ |
1748 |
|
qcoeff[5*64+0]=0; |
1749 |
|
} |
1750 |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
1751 |
pMB->cbp = 0x80; /* trick! so cbp!=0, but still nothing is written to bs */ |
pMB->cbp = 0x80; /* trick! so cbp!=0, but still nothing is written to bs */ |
1752 |
} |
} |
1753 |
else |
else |
1754 |
MBSkip(bs); |
MBSkip(bs); |
1755 |
|
|
|
|
|
1756 |
#else |
#else |
1757 |
MBSkip(bs); /* without B-frames, no precautions are needed */ |
MBSkip(bs); /* without B-frames, no precautions are needed */ |
1758 |
|
|
1759 |
#endif |
#endif |
1760 |
|
|
1761 |
} else { |
} else { |
1762 |
|
if (pEnc->current->global_flags & XVID_GREYSCALE) |
1763 |
|
{ pMB->cbp &= 0x3C; /* keep only bits 5-2 */ |
1764 |
|
qcoeff[4*64+0]=0; /* zero, because DC for INTRA MBs DC value is saved */ |
1765 |
|
qcoeff[5*64+0]=0; |
1766 |
|
} |
1767 |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
1768 |
} |
} |
1769 |
|
|
1803 |
#ifdef BFRAMES |
#ifdef BFRAMES |
1804 |
/* frame drop code */ |
/* frame drop code */ |
1805 |
// DPRINTF(DPRINTF_DEBUG, "kmu %i %i %i", pEnc->sStat.kblks, pEnc->sStat.mblks, pEnc->sStat.ublks); |
// DPRINTF(DPRINTF_DEBUG, "kmu %i %i %i", pEnc->sStat.kblks, pEnc->sStat.mblks, pEnc->sStat.ublks); |
1806 |
if (pEnc->sStat.kblks + pEnc->sStat.mblks <= |
if (pEnc->sStat.kblks + pEnc->sStat.mblks < |
1807 |
(pEnc->frame_drop_ratio * pEnc->mbParam.mb_width * pEnc->mbParam.mb_height) / 100) |
(pEnc->frame_drop_ratio * pEnc->mbParam.mb_width * pEnc->mbParam.mb_height) / 100) |
1808 |
{ |
{ |
1809 |
pEnc->sStat.kblks = pEnc->sStat.mblks = 0; |
pEnc->sStat.kblks = pEnc->sStat.mblks = 0; |
1827 |
*pBits = BitstreamPos(bs) - *pBits; |
*pBits = BitstreamPos(bs) - *pBits; |
1828 |
|
|
1829 |
#ifdef BFRAMES |
#ifdef BFRAMES |
1830 |
pEnc->time_pp = ((int32_t)pEnc->mbParam.fbase - (int32_t)pEnc->last_pframe + (int32_t)pEnc->mbParam.m_ticks) % (int32_t)pEnc->mbParam.fbase; |
pEnc->time_pp = ((int32_t)pEnc->mbParam.fbase - (int32_t)pEnc->last_pframe + (int32_t)pEnc->current->ticks) % |
1831 |
pEnc->last_pframe = pEnc->mbParam.m_ticks; |
(int32_t)pEnc->mbParam.fbase; |
1832 |
|
pEnc->last_pframe = pEnc->current->ticks; |
1833 |
#endif |
#endif |
1834 |
|
|
1835 |
return 0; // inter |
return 0; // inter |
1888 |
|
|
1889 |
start_timer(); |
start_timer(); |
1890 |
MotionEstimationBVOP(&pEnc->mbParam, frame, |
MotionEstimationBVOP(&pEnc->mbParam, frame, |
1891 |
((int32_t)pEnc->mbParam.fbase + (int32_t)pEnc->mbParam.m_ticks + 1 - (int32_t)pEnc->last_pframe) % pEnc->mbParam.fbase, |
((int32_t)pEnc->mbParam.fbase + pEnc->last_pframe - frame->ticks) % pEnc->mbParam.fbase, |
1892 |
pEnc->time_pp, |
pEnc->time_pp, |
1893 |
pEnc->reference->mbs, f_ref, |
pEnc->reference->mbs, f_ref, |
1894 |
&pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv, |
&pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv, |
1949 |
|
|
1950 |
mb->quant = frame->quant; |
mb->quant = frame->quant; |
1951 |
mb->cbp = |
mb->cbp = |
1952 |
MBTransQuantInter(&pEnc->mbParam, frame, mb, x, y, dct_codes, |
MBTransQuantInterBVOP(&pEnc->mbParam, frame, mb, x, y, dct_codes, |
1953 |
qcoeff); |
qcoeff); |
1954 |
//mb->cbp = MBTransQuantBVOP(&pEnc->mbParam, x, y, dct_codes, qcoeff, &frame->image, frame->quant); |
//mb->cbp = MBTransQuantBVOP(&pEnc->mbParam, x, y, dct_codes, qcoeff, &frame->image, frame->quant); |
1955 |
|
|