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* MinChen <chenm001@163.com> |
* MinChen <chenm001@163.com> |
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* 14.04.2002 added FrameCodeB() |
* 14.04.2002 added FrameCodeB() |
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* |
* |
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* $Id: encoder.c,v 1.60 2002-07-21 03:41:44 suxen_drol Exp $ |
* $Id: encoder.c,v 1.64 2002-07-24 23:17:19 chl Exp $ |
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* |
* |
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****************************************************************************/ |
****************************************************************************/ |
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#include <stdlib.h> |
#include <stdlib.h> |
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#include <stdio.h> |
#include <stdio.h> |
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#include <math.h> |
#include <math.h> |
210 |
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211 |
/* 1 keyframe each 10 seconds */ |
/* 1 keyframe each 10 seconds */ |
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213 |
if (pParam->max_key_interval == 0) |
if (pParam->max_key_interval <= 0) |
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pParam->max_key_interval = 10 * pParam->fincr / pParam->fbase; |
pParam->max_key_interval = 10 * pParam->fincr / pParam->fbase; |
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pEnc = (Encoder *) xvid_malloc(sizeof(Encoder), CACHE_LINE); |
pEnc = (Encoder *) xvid_malloc(sizeof(Encoder), CACHE_LINE); |
854 |
else |
else |
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pEnc->current->quant = pFrame->quant; |
pEnc->current->quant = pFrame->quant; |
856 |
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857 |
if (pEnc->current->quant < 1) |
/* if (pEnc->current->quant < 1) |
858 |
pEnc->current->quant = 1; |
pEnc->current->quant = 1; |
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860 |
if (pEnc->current->quant > 31) |
if (pEnc->current->quant > 31) |
861 |
pEnc->current->quant = 31; |
pEnc->current->quant = 31; |
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*/ |
863 |
pEnc->current->global_flags = pFrame->general; |
pEnc->current->global_flags = pFrame->general; |
864 |
pEnc->current->motion_flags = pFrame->motion; |
pEnc->current->motion_flags = pFrame->motion; |
865 |
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1006 |
* This will be coded as a Bidirectional Frame |
* This will be coded as a Bidirectional Frame |
1007 |
*/ |
*/ |
1008 |
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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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1009 |
if ((pEnc->global & XVID_GLOBAL_DEBUG)) { |
if ((pEnc->global & XVID_GLOBAL_DEBUG)) { |
1010 |
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"); |
1011 |
} |
} |
1017 |
} else { |
} else { |
1018 |
pEnc->current->quant = pFrame->bquant; |
pEnc->current->quant = pFrame->bquant; |
1019 |
} |
} |
1020 |
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if (pEnc->current->quant < 1) |
1021 |
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pEnc->current->quant = 1; |
1022 |
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1023 |
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if (pEnc->current->quant > 31) |
1024 |
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pEnc->current->quant = 31; |
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1026 |
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1027 |
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DPRINTF(DPRINTF_DEBUG,"*** BFRAME (store) bf: head=%i tail=%i queue: head=%i tail=%i size=%i quant=%i\n", |
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pEnc->bframenum_head, pEnc->bframenum_tail, |
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pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size,pEnc->current->quant); |
1030 |
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1031 |
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1032 |
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/* store frame into bframe buffer & swap ref back to current */ |
/* store frame into bframe buffer & swap ref back to current */ |
1034 |
SWAP(pEnc->current, pEnc->bframes[pEnc->bframenum_tail]); |
SWAP(pEnc->current, pEnc->bframes[pEnc->bframenum_tail]); |
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#ifdef BFRAMES |
#ifdef BFRAMES |
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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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pEnc->last_pframe = pEnc->mbParam.m_ticks; |
pEnc->last_pframe = pEnc->mbParam.m_ticks; |
1764 |
#endif |
#endif |
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1766 |
return 0; // inter |
return 0; // inter |
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} |
} |
1768 |
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qcoeff); |
qcoeff); |
1885 |
//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); |
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1887 |
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if ( (mb->mode == MODE_DIRECT) && (mb->cbp == 0) |
1888 |
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) { |
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1889 |
mb->mode = MODE_DIRECT_NONE_MV; // skipped |
mb->mode = MODE_DIRECT_NONE_MV; // skipped |
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} |
} |
1891 |
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1892 |
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/* update predictors for forward and backward vectors */ |
1893 |
if (mb->mode == MODE_INTERPOLATE || mb->mode == MODE_FORWARD) { |
if (mb->mode == MODE_INTERPOLATE || mb->mode == MODE_FORWARD) { |
1894 |
mb->pmvs[0].x = mb->mvs[0].x - forward.x; |
mb->pmvs[0].x = mb->mvs[0].x - forward.x; |
1895 |
mb->pmvs[0].y = mb->mvs[0].y - forward.y; |
mb->pmvs[0].y = mb->mvs[0].y - forward.y; |
1903 |
backward.x = mb->b_mvs[0].x; |
backward.x = mb->b_mvs[0].x; |
1904 |
backward.y = mb->b_mvs[0].y; |
backward.y = mb->b_mvs[0].y; |
1905 |
} |
} |
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// 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); |
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1909 |
#ifdef BFRAMES_DEC_DEBUG |
#ifdef BFRAMES_DEC_DEBUG |
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#endif |
#endif |
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} |
} |
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#endif |
#endif |
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1936 |
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/* in case internal output is needed somewhere... */ |
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/* { |
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FILE *filehandle; |
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filehandle=fopen("last-b.pgm","wb"); |
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if (filehandle) |
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{ |
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fprintf(filehandle,"P5\n\n"); // |
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fprintf(filehandle,"%d %d 255\n",pEnc->mbParam.edged_width,pEnc->mbParam.edged_height); |
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fwrite(frame->image.y,pEnc->mbParam.edged_width,pEnc->mbParam.edged_height,filehandle); |
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fclose(filehandle); |
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} |
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} |
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*/ |