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 1.66 2002-07-29 19:21:23 chl Exp $ |
* $Id: encoder.c,v 1.76 2002-09-03 17:25:18 chl Exp $ |
43 |
* |
* |
44 |
****************************************************************************/ |
****************************************************************************/ |
45 |
|
|
425 |
pEnc->mbParam.m_ticks = 0; |
pEnc->mbParam.m_ticks = 0; |
426 |
pEnc->m_framenum = 0; |
pEnc->m_framenum = 0; |
427 |
pEnc->last_pframe = 0; |
pEnc->last_pframe = 0; |
428 |
|
pEnc->last_sync = 0; |
429 |
#endif |
#endif |
430 |
|
|
431 |
pParam->handle = (void *) pEnc; |
pParam->handle = (void *) pEnc; |
621 |
} |
} |
622 |
|
|
623 |
|
|
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#ifdef BFRAMES |
|
624 |
void inc_frame_num(Encoder * pEnc) |
void inc_frame_num(Encoder * pEnc) |
625 |
{ |
{ |
|
pEnc->iFrameNum++; |
|
626 |
pEnc->mbParam.m_ticks += pEnc->mbParam.fincr; |
pEnc->mbParam.m_ticks += pEnc->mbParam.fincr; |
627 |
|
|
628 |
|
#ifdef BFRAMES |
629 |
|
pEnc->mbParam.m_ticks = pEnc->mbParam.m_ticks % pEnc->mbParam.fbase; |
630 |
|
if (pEnc->mbParam.m_ticks < pEnc->last_sync) |
631 |
|
pEnc->mbParam.m_seconds = 1; // more than 1 second since last I or P is not supported. |
632 |
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else |
633 |
|
pEnc->mbParam.m_seconds = 0; |
634 |
|
|
635 |
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if (pEnc->current->coding_type != B_VOP) |
636 |
|
pEnc->last_sync = pEnc->mbParam.m_ticks; |
637 |
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#else |
638 |
|
|
639 |
pEnc->mbParam.m_seconds = pEnc->mbParam.m_ticks / pEnc->mbParam.fbase; |
pEnc->mbParam.m_seconds = pEnc->mbParam.m_ticks / pEnc->mbParam.fbase; |
640 |
pEnc->mbParam.m_ticks = pEnc->mbParam.m_ticks % pEnc->mbParam.fbase; |
pEnc->mbParam.m_ticks = pEnc->mbParam.m_ticks % pEnc->mbParam.fbase; |
641 |
} |
|
642 |
#endif |
#endif |
643 |
|
|
644 |
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} |
645 |
|
|
646 |
|
|
647 |
#ifdef BFRAMES |
#ifdef BFRAMES |
648 |
void queue_image(Encoder * pEnc, XVID_ENC_FRAME * pFrame) |
void queue_image(Encoder * pEnc, XVID_ENC_FRAME * pFrame) |
838 |
|
|
839 |
pFrame->intra = 0; |
pFrame->intra = 0; |
840 |
|
|
841 |
BitstreamPutBits(&bs, 0x7f, 8); |
BitstreamWriteVopHeader(&bs, &pEnc->mbParam, pEnc->current, 0); // write N_VOP |
842 |
BitstreamPad(&bs); |
BitstreamPad(&bs); |
843 |
pFrame->length = BitstreamLength(&bs); |
pFrame->length = BitstreamLength(&bs); |
844 |
|
|
1056 |
goto bvop_loop; |
goto bvop_loop; |
1057 |
} |
} |
1058 |
|
|
1059 |
|
pEnc->iFrameNum++; |
1060 |
|
|
1061 |
BitstreamPad(&bs); |
BitstreamPad(&bs); |
1062 |
pFrame->length = BitstreamLength(&bs); |
pFrame->length = BitstreamLength(&bs); |
1063 |
|
|
1132 |
|
|
1133 |
pEnc->current->global_flags = pFrame->general; |
pEnc->current->global_flags = pFrame->general; |
1134 |
pEnc->current->motion_flags = pFrame->motion; |
pEnc->current->motion_flags = pFrame->motion; |
|
#ifdef BFRAMES |
|
1135 |
pEnc->current->seconds = pEnc->mbParam.m_seconds; |
pEnc->current->seconds = pEnc->mbParam.m_seconds; |
1136 |
pEnc->current->ticks = pEnc->mbParam.m_ticks; |
pEnc->current->ticks = pEnc->mbParam.m_ticks; |
|
#endif |
|
1137 |
pEnc->mbParam.hint = &pFrame->hint; |
pEnc->mbParam.hint = &pFrame->hint; |
1138 |
|
|
1139 |
start_timer(); |
start_timer(); |
1263 |
DEBUG(temp); |
DEBUG(temp); |
1264 |
#endif |
#endif |
1265 |
|
|
|
#ifdef BFRAMES |
|
1266 |
inc_frame_num(pEnc); |
inc_frame_num(pEnc); |
|
#else |
|
1267 |
pEnc->iFrameNum++; |
pEnc->iFrameNum++; |
|
#endif |
|
|
|
|
1268 |
|
|
1269 |
stop_global_timer(); |
stop_global_timer(); |
1270 |
write_timer(); |
write_timer(); |
1544 |
stop_prediction_timer(); |
stop_prediction_timer(); |
1545 |
|
|
1546 |
start_timer(); |
start_timer(); |
1547 |
|
if (pEnc->current->global_flags & XVID_GREYSCALE) |
1548 |
|
{ pMB->cbp &= 0x3C; /* keep only bits 5-2 */ |
1549 |
|
qcoeff[4*64+0]=0; /* zero, because for INTRA MBs DC value is saved */ |
1550 |
|
qcoeff[5*64+0]=0; |
1551 |
|
} |
1552 |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
1553 |
stop_coding_timer(); |
stop_coding_timer(); |
1554 |
} |
} |
1585 |
DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); |
DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); |
1586 |
|
|
1587 |
int iLimit; |
int iLimit; |
1588 |
int k; |
int x, y, k; |
|
int x, y; |
|
1589 |
int iSearchRange; |
int iSearchRange; |
1590 |
int bIntra; |
int bIntra; |
1591 |
|
|
1737 |
} |
} |
1738 |
if (!bSkip) |
if (!bSkip) |
1739 |
{ |
{ |
1740 |
|
if (pEnc->current->global_flags & XVID_GREYSCALE) |
1741 |
|
{ pMB->cbp &= 0x3C; /* keep only bits 5-2 */ |
1742 |
|
qcoeff[4*64+0]=0; /* zero, because DC for INTRA MBs DC value is saved */ |
1743 |
|
qcoeff[5*64+0]=0; |
1744 |
|
} |
1745 |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
1746 |
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 */ |
1747 |
} |
} |
1748 |
else |
else |
1749 |
MBSkip(bs); |
MBSkip(bs); |
1750 |
|
|
|
|
|
1751 |
#else |
#else |
1752 |
MBSkip(bs); /* without B-frames, no precautions are needed */ |
MBSkip(bs); /* without B-frames, no precautions are needed */ |
1753 |
|
|
1754 |
#endif |
#endif |
1755 |
|
|
1756 |
} else { |
} else { |
1757 |
|
if (pEnc->current->global_flags & XVID_GREYSCALE) |
1758 |
|
{ pMB->cbp &= 0x3C; /* keep only bits 5-2 */ |
1759 |
|
qcoeff[4*64+0]=0; /* zero, because DC for INTRA MBs DC value is saved */ |
1760 |
|
qcoeff[5*64+0]=0; |
1761 |
|
} |
1762 |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
1763 |
} |
} |
1764 |
|
|
1798 |
#ifdef BFRAMES |
#ifdef BFRAMES |
1799 |
/* frame drop code */ |
/* frame drop code */ |
1800 |
// 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); |
1801 |
if (pEnc->sStat.kblks + pEnc->sStat.mblks <= |
if (pEnc->sStat.kblks + pEnc->sStat.mblks < |
1802 |
(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) |
1803 |
{ |
{ |
1804 |
pEnc->sStat.kblks = pEnc->sStat.mblks = 0; |
pEnc->sStat.kblks = pEnc->sStat.mblks = 0; |
1944 |
|
|
1945 |
mb->quant = frame->quant; |
mb->quant = frame->quant; |
1946 |
mb->cbp = |
mb->cbp = |
1947 |
MBTransQuantInter(&pEnc->mbParam, frame, mb, x, y, dct_codes, |
MBTransQuantInterBVOP(&pEnc->mbParam, frame, mb, dct_codes, qcoeff); |
|
qcoeff); |
|
1948 |
//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); |
1949 |
|
|
1950 |
if ( (mb->mode == MODE_DIRECT) && (mb->cbp == 0) |
if ( (mb->mode == MODE_DIRECT) && (mb->cbp == 0) |