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* XVID MPEG-4 VIDEO CODEC |
* XVID MPEG-4 VIDEO CODEC |
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* - Encoder main module - |
* - Encoder main module - |
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* |
* |
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* Copyright(C) 2002 Michael Militzer |
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* |
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* This program is an implementation of a part of one or more MPEG-4 |
* This program is an implementation of a part of one or more MPEG-4 |
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* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
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* to use this software module in hardware or software products are |
* to use this software module in hardware or software products are |
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* |
* |
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****************************************************************************/ |
****************************************************************************/ |
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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 1.69 2002-08-01 12:53:45 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> |
35 |
#include <math.h> |
#include <math.h> |
411 |
pEnc->mbParam.m_ticks = 0; |
pEnc->mbParam.m_ticks = 0; |
412 |
pEnc->m_framenum = 0; |
pEnc->m_framenum = 0; |
413 |
pEnc->last_pframe = 0; |
pEnc->last_pframe = 0; |
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pEnc->last_sync = 0; |
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#endif |
#endif |
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pParam->handle = (void *) pEnc; |
pParam->handle = (void *) pEnc; |
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} |
} |
608 |
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609 |
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#ifdef BFRAMES |
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void inc_frame_num(Encoder * pEnc) |
void inc_frame_num(Encoder * pEnc) |
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{ |
{ |
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pEnc->iFrameNum++; |
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pEnc->mbParam.m_ticks += pEnc->mbParam.fincr; |
pEnc->mbParam.m_ticks += pEnc->mbParam.fincr; |
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614 |
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#ifdef BFRAMES |
615 |
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pEnc->mbParam.m_ticks = pEnc->mbParam.m_ticks % pEnc->mbParam.fbase; |
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if (pEnc->mbParam.m_ticks < pEnc->last_sync) |
617 |
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pEnc->mbParam.m_seconds = 1; // more than 1 second since last I or P is not supported. |
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else |
619 |
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pEnc->mbParam.m_seconds = 0; |
620 |
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621 |
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if (pEnc->current->coding_type != B_VOP) |
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pEnc->last_sync = pEnc->mbParam.m_ticks; |
623 |
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#else |
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pEnc->mbParam.m_seconds = pEnc->mbParam.m_ticks / pEnc->mbParam.fbase; |
pEnc->mbParam.m_seconds = pEnc->mbParam.m_ticks / pEnc->mbParam.fbase; |
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pEnc->mbParam.m_ticks = pEnc->mbParam.m_ticks % pEnc->mbParam.fbase; |
pEnc->mbParam.m_ticks = pEnc->mbParam.m_ticks % pEnc->mbParam.fbase; |
627 |
} |
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628 |
#endif |
#endif |
629 |
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} |
631 |
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#ifdef BFRAMES |
#ifdef BFRAMES |
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void queue_image(Encoder * pEnc, XVID_ENC_FRAME * pFrame) |
void queue_image(Encoder * pEnc, XVID_ENC_FRAME * pFrame) |
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pFrame->intra = 0; |
pFrame->intra = 0; |
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BitstreamPutBits(&bs, 0x7f, 8); |
BitstreamWriteVopHeader(&bs, &pEnc->mbParam, pEnc->current, 0); // write N_VOP |
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BitstreamPad(&bs); |
BitstreamPad(&bs); |
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pFrame->length = BitstreamLength(&bs); |
pFrame->length = BitstreamLength(&bs); |
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goto bvop_loop; |
goto bvop_loop; |
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} |
} |
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pEnc->iFrameNum++; |
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BitstreamPad(&bs); |
BitstreamPad(&bs); |
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pFrame->length = BitstreamLength(&bs); |
pFrame->length = BitstreamLength(&bs); |
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1118 |
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pEnc->current->global_flags = pFrame->general; |
pEnc->current->global_flags = pFrame->general; |
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pEnc->current->motion_flags = pFrame->motion; |
pEnc->current->motion_flags = pFrame->motion; |
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#ifdef BFRAMES |
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pEnc->current->seconds = pEnc->mbParam.m_seconds; |
pEnc->current->seconds = pEnc->mbParam.m_seconds; |
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pEnc->current->ticks = pEnc->mbParam.m_ticks; |
pEnc->current->ticks = pEnc->mbParam.m_ticks; |
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#endif |
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pEnc->mbParam.hint = &pFrame->hint; |
pEnc->mbParam.hint = &pFrame->hint; |
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start_timer(); |
start_timer(); |
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DEBUG(temp); |
DEBUG(temp); |
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#endif |
#endif |
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#ifdef BFRAMES |
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1252 |
inc_frame_num(pEnc); |
inc_frame_num(pEnc); |
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#else |
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1253 |
pEnc->iFrameNum++; |
pEnc->iFrameNum++; |
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#endif |
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1254 |
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stop_global_timer(); |
stop_global_timer(); |
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write_timer(); |
write_timer(); |
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mb->quant = frame->quant; |
mb->quant = frame->quant; |
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mb->cbp = |
mb->cbp = |
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MBTransQuantInter(&pEnc->mbParam, frame, mb, x, y, dct_codes, |
MBTransQuantInterBVOP(&pEnc->mbParam, frame, mb, dct_codes, qcoeff); |
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qcoeff); |
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1934 |
//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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if ( (mb->mode == MODE_DIRECT) && (mb->cbp == 0) |
if ( (mb->mode == MODE_DIRECT) && (mb->cbp == 0) |