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revision 1.1, Fri Mar 8 02:44:31 2002 UTC revision 1.18.2.10, Sat Jan 25 22:44:50 2003 UTC
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1  /**************************************************************************  /*****************************************************************************
2   *   *
3   *  Modifications:   *  XVID MPEG-4 VIDEO CODEC
4     *  - Encoder header -
5   *   *
6   *  22.08.2001 added support for EXT_MODE encoding mode   *  This program is an implementation of a part of one or more MPEG-4
7     *  Video tools as specified in ISO/IEC 14496-2 standard.  Those intending
8     *  to use this software module in hardware or software products are
9     *  advised that its use may infringe existing patents or copyrights, and
10     *  any such use would be at such party's own risk.  The original
11     *  developer of this software module and his/her company, and subsequent
12     *  editors and their companies, will have no liability for use of this
13     *  software or modifications or derivatives thereof.
14     *
15     *  This program is free software ; you can redistribute it and/or modify
16     *  it under the terms of the GNU General Public License as published by
17     *  the Free Software Foundation ; either version 2 of the License, or
18     *  (at your option) any later version.
19     *
20     *  This program is distributed in the hope that it will be useful,
21     *  but WITHOUT ANY WARRANTY ; without even the implied warranty of
22     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
23     *  GNU General Public License for more details.
24     *
25     *  You should have received a copy of the GNU General Public License
26     *  along with this program ; if not, write to the Free Software
27     *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
28     *
29     ****************************************************************************/
30    /*****************************************************************************
31     *
32     *  History
33     *
34     *  - 13.06.2002 Added legal header
35     *  - 22.08.2001 Added support for EXT_MODE encoding mode
36   *             support for EXTENDED API   *             support for EXTENDED API
37   *  22.08.2001 fixed bug in iDQtab   *  - 22.08.2001 fixed bug in iDQtab
38   *   *
39   *  Michael Militzer <isibaar@videocoding.de>   *  $Id$
40   *   *
41   **************************************************************************/   ****************************************************************************/
42    
43  #ifndef _ENCODER_H_  #ifndef _ENCODER_H_
44  #define _ENCODER_H_  #define _ENCODER_H_
45    
   
46  #include "xvid.h"  #include "xvid.h"
   
47  #include "portab.h"  #include "portab.h"
48  #include "global.h"  #include "global.h"
49  #include "image/image.h"  #include "utils/ratecontrol.h"
50    
51    /*****************************************************************************
52     * Constants
53     ****************************************************************************/
54    
55    /* Quatization type */
56  #define H263_QUANT      0  #define H263_QUANT      0
57  #define MPEG4_QUANT     1  #define MPEG4_QUANT     1
58    
59    /* Indicates no quantizer changes in INTRA_Q/INTER_Q modes */
60    #define NO_CHANGE 64
61    
62  typedef uint32_t bool;  /*****************************************************************************
63     * Types
64     ****************************************************************************/
65    
66    typedef int bool;
67    
68  typedef enum  typedef enum
69  {  {
70      I_VOP = 0,      I_VOP = 0,
71      P_VOP = 1          P_VOP = 1,
72            B_VOP = 2,
73            S_VOP = 3
74  }  }
75  VOP_TYPE;  VOP_TYPE;
76    
77  /***********************************  /*****************************************************************************
78     * Structures
79         Encoding Parameters   ****************************************************************************/
   
 ************************************/  
80    
81  typedef struct  typedef struct
82  {  {
# Line 51  Line 88 
88          uint32_t mb_width;          uint32_t mb_width;
89          uint32_t mb_height;          uint32_t mb_height;
90    
91      VOP_TYPE coding_type;          /* frame rate increment & base */
92            uint32_t fincr;
93      /* rounding type; alternate 0-1 after each interframe */          uint32_t fbase;
94    
95            /* constants */
96            int global;
97            int bquant_ratio;
98            int bquant_offset;
99            int frame_drop_ratio;
100    
101      uint32_t rounding_type;          int iMaxKeyInterval;
102            int max_bframes;
103    
104            /* rounding type; alternate 0-1 after each interframe */
105          /* 1 <= fixed_code <= 4          /* 1 <= fixed_code <= 4
106             automatically adjusted using motion vector statistics inside             automatically adjusted using motion vector statistics inside
107           */           */
108    
109      uint32_t fixed_code;          /* vars that not "quite" frame independant */
110      uint32_t quant;          uint32_t m_quant_type;
111          uint32_t quant_type;          uint32_t m_rounding_type;
112          uint32_t motion_flags;          uint32_t m_fcode;
113          uint32_t global_flags;          uint32_t m_quarterpel;
114  } MBParam;          int m_reduced_resolution;       /* reduced_resolution_enable */
115    
116            HINTINFO *hint;
117    
118            int64_t m_stamp;
119    }
120    MBParam;
121    
122    
123  typedef struct  typedef struct
124  {  {
125      int iTextBits;      int iTextBits;
     float fMvPrevSigma;  
126      int iMvSum;      int iMvSum;
127      int iMvCount;      int iMvCount;
128          int kblks;          int kblks;
129          int mblks;          int mblks;
130          int ublks;          int ublks;
131            int gblks;
132  }  }
133  Statistics;  Statistics;
134    
135    
136    typedef struct
137    {
138            uint32_t quant;
139            uint32_t motion_flags;
140            uint32_t global_flags;
141    
142            VOP_TYPE coding_type;
143            uint32_t rounding_type;
144            uint32_t quarterpel;
145            uint32_t fcode;
146            uint32_t bcode;
147    
148            uint32_t seconds;
149            uint32_t ticks;
150            int64_t stamp;
151    
152            IMAGE image;
153    
154            MACROBLOCK *mbs;
155    
156            WARPPOINTS warp;                // as in bitstream
157            GMC_DATA gmc_data;              // common data for all MBs
158    
159            Statistics sStat;
160    }
161    FRAMEINFO;
162    
163    
164  typedef struct  typedef struct
165  {  {
166      MBParam mbParam;      MBParam mbParam;
167    
168      int iFrameNum;      int iFrameNum;
     int iMaxKeyInterval;  
         int lum_masking;  
169          int bitrate;          int bitrate;
170    
171          // images          // images
172    
173      IMAGE sCurrent;          FRAMEINFO *current;
174      IMAGE sReference;          FRAMEINFO *reference;
175    
176            IMAGE sOriginal;
177      IMAGE vInterH;      IMAGE vInterH;
178      IMAGE vInterV;      IMAGE vInterV;
179            IMAGE vInterVf;
180      IMAGE vInterHV;      IMAGE vInterHV;
181            IMAGE vInterHVf;
182    
183          // macroblock          IMAGE vGMC;
184    
185          MACROBLOCK * pMBs;          /* image queue */
186            int queue_head;
187      Statistics sStat;          int queue_tail;
188  }          int queue_size;
189  Encoder;          IMAGE *queue;
190    
191            /* bframe buffer */
192            int bframenum_head;
193            int bframenum_tail;
194            int flush_bframes;
195    
196            FRAMEINFO **bframes;
197            IMAGE f_refh;
198            IMAGE f_refv;
199            IMAGE f_refhv;
200            int bframenum_dx50bvop;
201    
202            int m_framenum; /* debug frame num counter; unlike iFrameNum, does not reset at ivop */
203    
204  // indicates no quantizer changes in INTRA_Q/INTER_Q modes          RateControl rate_control;
 #define NO_CHANGE 64  
205    
206  void init_encoder(uint32_t cpu_flags);          float fMvPrevSigma;
207    }
208    Encoder;
209    
210  int encoder_create(XVID_ENC_PARAM * pParam);  /*****************************************************************************
211  int encoder_destroy(Encoder * pEnc);   * Inline functions
212  int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult);   ****************************************************************************/
213    
214  static __inline uint8_t get_fcode(uint16_t sr)  static __inline uint8_t
215    get_fcode(uint16_t sr)
216  {  {
217      if (sr <= 16)      if (sr <= 16)
218                  return 1;                  return 1;
# Line 144  Line 239 
239                  return 0;                  return 0;
240  }  }
241    
242  #endif /* _ENCODER_H_ */  
243    /*****************************************************************************
244     * Prototypes
245     ****************************************************************************/
246    
247    void init_encoder(uint32_t cpu_flags);
248    
249    int encoder_create(XVID_ENC_PARAM * pParam);
250    int encoder_destroy(Encoder * pEnc);
251    int encoder_encode(Encoder * pEnc,
252                                       XVID_ENC_FRAME * pFrame,
253                                       XVID_ENC_STATS * pResult);
254    
255    int encoder_encode_bframes(Encoder * pEnc,
256                                       XVID_ENC_FRAME * pFrame,
257                                       XVID_ENC_STATS * pResult);
258    
259    #endif

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