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/***************************************************************************** |
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* |
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* XVID MPEG-4 VIDEO CODEC |
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* - Macro Block coding functions - |
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* |
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* Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> |
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* |
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* This file is part of XviD, a free MPEG-4 video encoder/decoder |
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* |
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* XviD is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* Under section 8 of the GNU General Public License, the copyright |
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* holders of XVID explicitly forbid distribution in the following |
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* countries: |
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* |
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* - Japan |
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* - United States of America |
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* |
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* Linking XviD statically or dynamically with other modules is making a |
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* combined work based on XviD. Thus, the terms and conditions of the |
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* GNU General Public License cover the whole combination. |
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* |
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* As a special exception, the copyright holders of XviD give you |
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* permission to link XviD with independent modules that communicate with |
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* XviD solely through the VFW1.1 and DShow interfaces, regardless of the |
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* license terms of these independent modules, and to copy and distribute |
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* the resulting combined work under terms of your choice, provided that |
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* every copy of the combined work is accompanied by a complete copy of |
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* the source code of XviD (the version of XviD used to produce the |
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* combined work), being distributed under the terms of the GNU General |
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* Public License plus this exception. An independent module is a module |
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* which is not derived from or based on XviD. |
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* |
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* Note that people who make modified versions of XviD are not obligated |
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* to grant this special exception for their modified versions; it is |
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* their choice whether to do so. The GNU General Public License gives |
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* permission to release a modified version without this exception; this |
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* exception also makes it possible to release a modified version which |
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* carries forward this exception. |
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* |
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* $Id: mbcoding.h,v 1.10 2002-11-17 00:57:57 edgomez Exp $ |
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* |
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****************************************************************************/ |
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#ifndef _MB_CODING_H_ |
#ifndef _MB_CODING_H_ |
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#define _MB_CODING_H_ |
#define _MB_CODING_H_ |
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#include "../portab.h" |
#include "../portab.h" |
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#include "../global.h" |
#include "../global.h" |
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#include "vlc_codes.h" |
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#include "bitstream.h" |
#include "bitstream.h" |
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void init_vlc_tables(void); |
void init_vlc_tables(void); |
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int check_resync_marker(Bitstream * bs, int addbits); |
int check_resync_marker(Bitstream * bs, int addbits); |
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void bs_put_spritetrajectory(Bitstream * bs, const int val); |
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int bs_get_spritetrajectory(Bitstream * bs); |
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int get_mcbpc_intra(Bitstream * bs); |
int get_mcbpc_intra(Bitstream * bs); |
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int get_mcbpc_inter(Bitstream * bs); |
int get_mcbpc_inter(Bitstream * bs); |
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int get_cbpy(Bitstream * bs, |
int get_cbpy(Bitstream * bs, |
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int direction, |
int direction, |
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int coeff); |
int coeff); |
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void get_inter_block(Bitstream * bs, |
void get_inter_block(Bitstream * bs, |
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int16_t * block); |
int16_t * block, |
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int direction); |
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void MBCodingBVOP(const MACROBLOCK * mb, |
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const int16_t qcoeff[6 * 64], |
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const int32_t fcode, |
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const int32_t bcode, |
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Bitstream * bs, |
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Statistics * pStat, |
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int alternate_scan); |
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static __inline void |
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MBSkip(Bitstream * bs) |
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{ |
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BitstreamPutBit(bs, 1); // not coded |
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} |
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#ifdef BIGLUT |
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extern VLC *intra_table; |
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int CodeCoeff_CalcBits(const int16_t qcoeff[64], VLC * table, const uint16_t * zigzag, uint16_t intra); |
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#else |
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int CodeCoeffIntra_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); |
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#endif |
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#endif /* _MB_CODING_H_ */ |
#endif /* _MB_CODING_H_ */ |