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revision 1.9, Fri Aug 9 19:58:42 2002 UTC revision 1.15, Sun Nov 17 00:51:10 2002 UTC
# Line 1  Line 1 
1  /**************************************************************************  /*****************************************************************************
2   *   *
3   *  Modifications:   *  XVID MPEG-4 VIDEO CODEC
4     *  - Motion estimation fuctions header file -
5   *   *
6   *  29.03.2002 removed MBFieldToFrame - no longer used (transfers instead)   *  Copyright(C) 2002 Michael Militzer <isibaar@xvid.org>
  *  26.03.2002 interlacing support  
  *  02.12.2001 motion estimation/compensation split  
  *  16.11.2001 const/uint32_t changes to MBMotionEstComp()  
  *  26.08.2001 added inter4v_mode parameter to MBMotionEstComp()  
7   *   *
8   *  Michael Militzer <isibaar@videocoding.de>   *  This file is part of XviD, a free MPEG-4 video encoder/decoder
9   *   *
10   **************************************************************************/   *  XviD is free software; you can redistribute it and/or modify it
11     *  under the terms of the GNU General Public License as published by
12     *  the Free Software Foundation; either version 2 of the License, or
13     *  (at your option) any later version.
14     *
15     *  This program is distributed in the hope that it will be useful,
16     *  but WITHOUT ANY WARRANTY; without even the implied warranty of
17     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18     *  GNU General Public License for more details.
19     *
20     *  You should have received a copy of the GNU General Public License
21     *  along with this program; if not, write to the Free Software
22     *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23     *
24     *  Under section 8 of the GNU General Public License, the copyright
25     *  holders of XVID explicitly forbid distribution in the following
26     *  countries:
27     *
28     *    - Japan
29     *    - United States of America
30     *
31     *  Linking XviD statically or dynamically with other modules is making a
32     *  combined work based on XviD.  Thus, the terms and conditions of the
33     *  GNU General Public License cover the whole combination.
34     *
35     *  As a special exception, the copyright holders of XviD give you
36     *  permission to link XviD with independent modules that communicate with
37     *  XviD solely through the VFW1.1 and DShow interfaces, regardless of the
38     *  license terms of these independent modules, and to copy and distribute
39     *  the resulting combined work under terms of your choice, provided that
40     *  every copy of the combined work is accompanied by a complete copy of
41     *  the source code of XviD (the version of XviD used to produce the
42     *  combined work), being distributed under the terms of the GNU General
43     *  Public License plus this exception.  An independent module is a module
44     *  which is not derived from or based on XviD.
45     *
46     *  Note that people who make modified versions of XviD are not obligated
47     *  to grant this special exception for their modified versions; it is
48     *  their choice whether to do so.  The GNU General Public License gives
49     *  permission to release a modified version without this exception; this
50     *  exception also makes it possible to release a modified version which
51     *  carries forward this exception.
52     *
53     * $Id$
54     *
55     ****************************************************************************/
56    
57  #ifndef _ENCORE_BLOCK_H  #ifndef _MBFUNCTIONS_H
58  #define _ENCORE_BLOCK_H  #define _MBFUNCTIONS_H
59    
60  #include "../encoder.h"  #include "../encoder.h"
61  #include "../bitstream/bitstream.h"  #include "../bitstream/bitstream.h"
62    
63    /*****************************************************************************
64     * Prototypes
65     ****************************************************************************/
66    
67    
68  /** MotionEstimation **/  /* MotionEstimation */
69    
70  bool MotionEstimation(MBParam * const pParam,  bool MotionEstimation(MBParam * const pParam,
71                                            FRAMEINFO * const current,                                            FRAMEINFO * const current,
# Line 41  Line 86 
86    
87    
88    
89  /** MBMotionCompensation **/  /* MBMotionCompensation */
90    
91  void MBMotionCompensation(MACROBLOCK * const pMB,  void MBMotionCompensation(MACROBLOCK * const pMB,
92                                                    const uint32_t j,                                                    const uint32_t j,
93                                                    const uint32_t i,                                                    const uint32_t i,
# Line 57  Line 103 
103                                                    const uint32_t rounding);                                                    const uint32_t rounding);
104    
105    
106  /** MBTransQuant.c **/  /* MBTransQuant.c */
   
107    
108  void MBTransQuantIntra(const MBParam * pParam,  void MBTransQuantIntra(const MBParam * pParam,
109                                             FRAMEINFO * frame,                                             FRAMEINFO * frame,
110                                             MACROBLOCK * pMB,                                             MACROBLOCK * pMB,
111                                             const uint32_t x_pos,        /* <-- The x position of the MB to be searched */                                             const uint32_t x_pos,        /* <-- The x position of the MB to be searched */
   
112                                             const uint32_t y_pos,        /* <-- The y position of the MB to be searched */                                             const uint32_t y_pos,        /* <-- The y position of the MB to be searched */
   
113                                             int16_t data[6 * 64],        /* <-> the data of the MB to be coded */                                             int16_t data[6 * 64],        /* <-> the data of the MB to be coded */
114                                               int16_t qcoeff[6 * 64]); /* <-> the quantized DCT coefficients */
115    
                                            int16_t qcoeff[6 * 64]       /* <-> the quantized DCT coefficients */  
         );  
116    
117    
118  void MBTransQuantIntra2(const MBParam * pParam,  void MBTransQuantIntra2(const MBParam * pParam,
119                                             FRAMEINFO * frame,                                             FRAMEINFO * frame,
120                                             MACROBLOCK * pMB,                                             MACROBLOCK * pMB,
121                                             const uint32_t x_pos,        /* <-- The x position of the MB to be searched */                                             const uint32_t x_pos,        /* <-- The x position of the MB to be searched */
   
122                                             const uint32_t y_pos,        /* <-- The y position of the MB to be searched */                                             const uint32_t y_pos,        /* <-- The y position of the MB to be searched */
   
123                                             int16_t data[6 * 64],        /* <-> the data of the MB to be coded */                                             int16_t data[6 * 64],        /* <-> the data of the MB to be coded */
124                                                    int16_t qcoeff[6 * 64]); /* <-> the quantized DCT coefficients */
125    
                                            int16_t qcoeff[6 * 64]       /* <-> the quantized DCT coefficients */  
         );  
126    
127    
128  uint8_t MBTransQuantInter(const MBParam * pParam,  uint8_t MBTransQuantInter(const MBParam * pParam,
# Line 106  Line 145 
145  uint8_t MBTransQuantInterBVOP(const MBParam * pParam,  uint8_t MBTransQuantInterBVOP(const MBParam * pParam,
146                                                    FRAMEINFO * frame,                                                    FRAMEINFO * frame,
147                                                    MACROBLOCK * pMB,                                                    MACROBLOCK * pMB,
                                                   const uint32_t x_pos,  
                                                   const uint32_t y_pos,  
148                                                    int16_t data[6 * 64],                                                    int16_t data[6 * 64],
149                                                    int16_t qcoeff[6 * 64]);                                                    int16_t qcoeff[6 * 64]);
150    
# Line 137  Line 174 
174  void MBQuantIntra(               const MBParam * pParam,  void MBQuantIntra(               const MBParam * pParam,
175                                                   FRAMEINFO * frame,                                                   FRAMEINFO * frame,
176                                                   MACROBLOCK *pMB,                                                   MACROBLOCK *pMB,
177                                                   int16_t qcoeff[6 * 64],                                    int16_t data[6*64],
178                                                   int16_t data[6*64]);                                    int16_t qcoeff[6 * 64]);
179    
180  void MBDeQuantIntra(const MBParam * pParam,  void MBDeQuantIntra(const MBParam * pParam,
181                                          const int iQuant,                                          const int iQuant,
# Line 166  Line 203 
203    
204    
205    
206  /** interlacing **/  /* interlacing */
207    
208  uint32_t MBDecideFieldDCT(int16_t data[6 * 64]);        /* <- decide whether to use field-based DCT  uint32_t MBDecideFieldDCT(int16_t data[6 * 64]); /* <- decide whether to use field-based DCT for interlacing */
                                                                                                            for interlacing */  
209    
210  void MBFrameToField(int16_t data[6 * 64]);      /* de-interlace vertical Y blocks */  void MBFrameToField(int16_t data[6 * 64]);      /* de-interlace vertical Y blocks */
211    
212    
213  /** MBCoding.c **/  /* MBCoding.c */
214    
215  void MBSkip(Bitstream * bs);  /* just the bitstream. Since MB is skipped, no info is needed */  void MBSkip(Bitstream * bs);  /* just the bitstream. Since MB is skipped, no info is needed */
216    
217    
218  void MBCoding(const FRAMEINFO * frame,  /* <-- the parameter for coding of the bitstream */  void MBCoding(const FRAMEINFO * frame,  /* <-- the parameter for coding of the bitstream */
   
219                            MACROBLOCK * pMB,     /* <-- Info of the MB to be coded */                            MACROBLOCK * pMB,     /* <-- Info of the MB to be coded */
   
220                            int16_t qcoeff[6 * 64],       /* <-- the quantized DCT coefficients */                            int16_t qcoeff[6 * 64],       /* <-- the quantized DCT coefficients */
   
221                            Bitstream * bs,       /* <-> the bitstream */                            Bitstream * bs,       /* <-> the bitstream */
222                              Statistics * pStat);     /* <-> statistical data collected for current frame */
                           Statistics * pStat    /* <-> statistical data collected for current frame */  
         );  
223    
224  #endif  #endif
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