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 1.57 2002-07-19 14:56:00 chl Exp $ |
* $Id: encoder.c,v 1.65 2002-07-28 13:06:45 chl Exp $ |
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* |
* |
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****************************************************************************/ |
****************************************************************************/ |
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#include <stdlib.h> |
#include <stdlib.h> |
48 |
#include <stdio.h> |
#include <stdio.h> |
49 |
#include <math.h> |
#include <math.h> |
56 |
#include "image/image.h" |
#include "image/image.h" |
57 |
#ifdef BFRAMES |
#ifdef BFRAMES |
58 |
#include "image/font.h" |
#include "image/font.h" |
59 |
|
#include "motion/sad.h" |
60 |
#endif |
#endif |
61 |
#include "motion/motion.h" |
#include "motion/motion.h" |
62 |
#include "bitstream/cbp.h" |
#include "bitstream/cbp.h" |
211 |
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|
212 |
/* 1 keyframe each 10 seconds */ |
/* 1 keyframe each 10 seconds */ |
213 |
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214 |
if (pParam->max_key_interval == 0) |
if (pParam->max_key_interval <= 0) |
215 |
pParam->max_key_interval = 10 * pParam->fincr / pParam->fbase; |
pParam->max_key_interval = 10 * pParam->fincr / pParam->fbase; |
216 |
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217 |
pEnc = (Encoder *) xvid_malloc(sizeof(Encoder), CACHE_LINE); |
pEnc = (Encoder *) xvid_malloc(sizeof(Encoder), CACHE_LINE); |
346 |
pEnc->global = pParam->global; |
pEnc->global = pParam->global; |
347 |
pEnc->mbParam.max_bframes = pParam->max_bframes; |
pEnc->mbParam.max_bframes = pParam->max_bframes; |
348 |
pEnc->bquant_ratio = pParam->bquant_ratio; |
pEnc->bquant_ratio = pParam->bquant_ratio; |
349 |
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pEnc->frame_drop_ratio = pParam->frame_drop_ratio; |
350 |
pEnc->bframes = NULL; |
pEnc->bframes = NULL; |
351 |
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|
352 |
if (pEnc->mbParam.max_bframes > 0) { |
if (pEnc->mbParam.max_bframes > 0) { |
855 |
else |
else |
856 |
pEnc->current->quant = pFrame->quant; |
pEnc->current->quant = pFrame->quant; |
857 |
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|
858 |
if (pEnc->current->quant < 1) |
/* if (pEnc->current->quant < 1) |
859 |
pEnc->current->quant = 1; |
pEnc->current->quant = 1; |
860 |
|
|
861 |
if (pEnc->current->quant > 31) |
if (pEnc->current->quant > 31) |
862 |
pEnc->current->quant = 31; |
pEnc->current->quant = 31; |
863 |
|
*/ |
864 |
pEnc->current->global_flags = pFrame->general; |
pEnc->current->global_flags = pFrame->general; |
865 |
pEnc->current->motion_flags = pFrame->motion; |
pEnc->current->motion_flags = pFrame->motion; |
866 |
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|
1007 |
* This will be coded as a Bidirectional Frame |
* This will be coded as a Bidirectional Frame |
1008 |
*/ |
*/ |
1009 |
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DPRINTF(DPRINTF_DEBUG,"*** BFRAME (store) bf: head=%i tail=%i queue: head=%i tail=%i size=%i", |
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pEnc->bframenum_head, pEnc->bframenum_tail, |
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pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size); |
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1010 |
if ((pEnc->global & XVID_GLOBAL_DEBUG)) { |
if ((pEnc->global & XVID_GLOBAL_DEBUG)) { |
1011 |
image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "BVOP"); |
image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 200, "BVOP"); |
1012 |
} |
} |
1018 |
} else { |
} else { |
1019 |
pEnc->current->quant = pFrame->bquant; |
pEnc->current->quant = pFrame->bquant; |
1020 |
} |
} |
1021 |
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if (pEnc->current->quant < 1) |
1022 |
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pEnc->current->quant = 1; |
1023 |
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1024 |
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if (pEnc->current->quant > 31) |
1025 |
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pEnc->current->quant = 31; |
1026 |
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1027 |
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1028 |
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DPRINTF(DPRINTF_DEBUG,"*** BFRAME (store) bf: head=%i tail=%i queue: head=%i tail=%i size=%i quant=%i\n", |
1029 |
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pEnc->bframenum_head, pEnc->bframenum_tail, |
1030 |
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pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size,pEnc->current->quant); |
1031 |
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1032 |
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1033 |
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1034 |
/* store frame into bframe buffer & swap ref back to current */ |
/* store frame into bframe buffer & swap ref back to current */ |
1035 |
SWAP(pEnc->current, pEnc->bframes[pEnc->bframenum_tail]); |
SWAP(pEnc->current, pEnc->bframes[pEnc->bframenum_tail]); |
1557 |
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1558 |
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1559 |
#define INTRA_THRESHOLD 0.5 |
#define INTRA_THRESHOLD 0.5 |
1560 |
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#define BFRAME_SKIP_THRESHHOLD 16 |
1561 |
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1562 |
static int |
static int |
1563 |
FrameCodeP(Encoder * pEnc, |
FrameCodeP(Encoder * pEnc, |
1572 |
DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); |
DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); |
1573 |
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1574 |
int iLimit; |
int iLimit; |
1575 |
uint32_t x, y; |
int k; |
1576 |
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int x, y; |
1577 |
int iSearchRange; |
int iSearchRange; |
1578 |
int bIntra; |
int bIntra; |
1579 |
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1701 |
} |
} |
1702 |
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1703 |
start_timer(); |
start_timer(); |
1704 |
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1705 |
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/* Finished processing the MB, now check if to CODE or SKIP */ |
1706 |
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1707 |
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if (pMB->cbp == 0 && pMB->mode == MODE_INTER && pMB->mvs[0].x == 0 && |
1708 |
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pMB->mvs[0].y == 0) { |
1709 |
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1710 |
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/* This is a candidate for SKIPping, but check intermediate B-frames first */ |
1711 |
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1712 |
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#ifdef BFRAMES |
1713 |
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int iSAD=BFRAME_SKIP_THRESHHOLD; |
1714 |
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int bSkip=1; |
1715 |
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1716 |
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for (k=pEnc->bframenum_head; k< pEnc->bframenum_tail; k++) |
1717 |
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{ |
1718 |
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iSAD = sad16(pEnc->reference->image.y + 16*y*pEnc->mbParam.edged_width + 16*x, |
1719 |
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pEnc->bframes[k]->image.y + 16*y*pEnc->mbParam.edged_width + 16*x, |
1720 |
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pEnc->mbParam.edged_width,BFRAME_SKIP_THRESHHOLD); |
1721 |
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if (iSAD >= BFRAME_SKIP_THRESHHOLD) |
1722 |
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{ bSkip = 0; |
1723 |
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break; |
1724 |
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} |
1725 |
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} |
1726 |
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if (!bSkip) |
1727 |
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{ |
1728 |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
1729 |
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pMB->cbp = 0x80; /* trick! so cbp!=0, but still nothing is written to bs */ |
1730 |
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} |
1731 |
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else |
1732 |
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MBSkip(bs); |
1733 |
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1734 |
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1735 |
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#else |
1736 |
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MBSkip(bs); /* without B-frames, no precautions are needed */ |
1737 |
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1738 |
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#endif |
1739 |
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1740 |
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} else { |
1741 |
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MBCoding(pEnc->current, pMB, qcoeff, bs, &pEnc->sStat); |
1742 |
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} |
1743 |
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1744 |
stop_coding_timer(); |
stop_coding_timer(); |
1745 |
} |
} |
1746 |
} |
} |
1774 |
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1775 |
pEnc->sStat.fMvPrevSigma = fSigma; |
pEnc->sStat.fMvPrevSigma = fSigma; |
1776 |
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1777 |
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#ifdef BFRAMES |
1778 |
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/* frame drop code */ |
1779 |
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// DPRINTF(DPRINTF_DEBUG, "kmu %i %i %i", pEnc->sStat.kblks, pEnc->sStat.mblks, pEnc->sStat.ublks); |
1780 |
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if (pEnc->sStat.kblks + pEnc->sStat.mblks <= |
1781 |
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(pEnc->frame_drop_ratio * pEnc->mbParam.mb_width * pEnc->mbParam.mb_height) / 100) |
1782 |
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{ |
1783 |
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pEnc->sStat.kblks = pEnc->sStat.mblks = 0; |
1784 |
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pEnc->sStat.ublks = pEnc->mbParam.mb_width * pEnc->mbParam.mb_height; |
1785 |
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1786 |
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BitstreamReset(bs); |
1787 |
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BitstreamWriteVopHeader(bs, &pEnc->mbParam, pEnc->current, 0); |
1788 |
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1789 |
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// copy reference frame details into the current frame |
1790 |
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pEnc->current->quant = pEnc->reference->quant; |
1791 |
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pEnc->current->motion_flags = pEnc->reference->motion_flags; |
1792 |
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pEnc->current->rounding_type = pEnc->reference->rounding_type; |
1793 |
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pEnc->current->fcode = pEnc->reference->fcode; |
1794 |
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pEnc->current->bcode = pEnc->reference->bcode; |
1795 |
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image_copy(&pEnc->current->image, &pEnc->reference->image, pEnc->mbParam.edged_width, pEnc->mbParam.height); |
1796 |
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memcpy(pEnc->current->mbs, pEnc->reference->mbs, sizeof(MACROBLOCK) * pEnc->mbParam.mb_width * pEnc->mbParam.mb_height); |
1797 |
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|
1798 |
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} |
1799 |
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#endif |
1800 |
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1801 |
*pBits = BitstreamPos(bs) - *pBits; |
*pBits = BitstreamPos(bs) - *pBits; |
1802 |
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1803 |
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#ifdef BFRAMES |
1804 |
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->mbParam.m_ticks) % (int32_t)pEnc->mbParam.fbase; |
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fprintf(stderr,"fbase=%d last_p=%d ticks=%d time_pp = %d\n",pEnc->mbParam.fbase,pEnc->last_pframe,pEnc->mbParam.m_ticks,pEnc->time_pp); |
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1805 |
pEnc->last_pframe = pEnc->mbParam.m_ticks; |
pEnc->last_pframe = pEnc->mbParam.m_ticks; |
1806 |
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#endif |
1807 |
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|
1808 |
return 0; // inter |
return 0; // inter |
1809 |
} |
} |
1810 |
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1860 |
stop_inter_timer(); |
stop_inter_timer(); |
1861 |
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|
1862 |
start_timer(); |
start_timer(); |
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fprintf(stderr,"m_ticks =%d\n",(int32_t)pEnc->mbParam.m_ticks+1); |
|
1863 |
MotionEstimationBVOP(&pEnc->mbParam, frame, |
MotionEstimationBVOP(&pEnc->mbParam, frame, |
1864 |
((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 + (int32_t)pEnc->mbParam.m_ticks + 1 - (int32_t)pEnc->last_pframe) % pEnc->mbParam.fbase, |
1865 |
pEnc->time_pp, |
pEnc->time_pp, |
1926 |
qcoeff); |
qcoeff); |
1927 |
//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); |
1928 |
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|
1929 |
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if ( (mb->mode == MODE_DIRECT) && (mb->cbp == 0) |
1930 |
if ((mb->mode == MODE_INTERPOLATE || mb->mode == MODE_DIRECT) |
&& (mb->deltamv.x == 0) && (mb->deltamv.y == 0) ) { |
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&& mb->cbp == 0 && mb->mvs[0].x == 0 && mb->mvs[0].y == 0) { |
|
1931 |
mb->mode = MODE_DIRECT_NONE_MV; // skipped |
mb->mode = MODE_DIRECT_NONE_MV; // skipped |
1932 |
} |
} |
1933 |
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|
1934 |
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/* update predictors for forward and backward vectors */ |
1935 |
if (mb->mode == MODE_INTERPOLATE || mb->mode == MODE_FORWARD) { |
if (mb->mode == MODE_INTERPOLATE || mb->mode == MODE_FORWARD) { |
1936 |
mb->pmvs[0].x = mb->mvs[0].x - forward.x; |
mb->pmvs[0].x = mb->mvs[0].x - forward.x; |
1937 |
mb->pmvs[0].y = mb->mvs[0].y - forward.y; |
mb->pmvs[0].y = mb->mvs[0].y - forward.y; |
1945 |
backward.x = mb->b_mvs[0].x; |
backward.x = mb->b_mvs[0].x; |
1946 |
backward.y = mb->b_mvs[0].y; |
backward.y = mb->b_mvs[0].y; |
1947 |
} |
} |
1948 |
|
|
1949 |
// DPRINTF("%05i : [%i %i] M=%i CBP=%i MVS=%i,%i forward=%i,%i", pEnc->m_framenum, x, y, mb->mode, mb->cbp, mb->mvs[0].x, mb->mvs[0].y, forward.x, forward.y); |
// DPRINTF("%05i : [%i %i] M=%i CBP=%i MVS=%i,%i forward=%i,%i", pEnc->m_framenum, x, y, mb->mode, mb->cbp, mb->mvs[0].x, mb->mvs[0].y, forward.x, forward.y); |
1950 |
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1951 |
#ifdef BFRAMES_DEC_DEBUG |
#ifdef BFRAMES_DEC_DEBUG |
1973 |
#endif |
#endif |
1974 |
} |
} |
1975 |
#endif |
#endif |
1976 |
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1977 |
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1978 |
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/* in case internal output is needed somewhere... */ |
1979 |
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/* { |
1980 |
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FILE *filehandle; |
1981 |
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filehandle=fopen("last-b.pgm","wb"); |
1982 |
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if (filehandle) |
1983 |
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{ |
1984 |
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fprintf(filehandle,"P5\n\n"); // |
1985 |
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fprintf(filehandle,"%d %d 255\n",pEnc->mbParam.edged_width,pEnc->mbParam.edged_height); |
1986 |
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fwrite(frame->image.y,pEnc->mbParam.edged_width,pEnc->mbParam.edged_height,filehandle); |
1987 |
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fclose(filehandle); |
1988 |
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} |
1989 |
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} |
1990 |
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*/ |