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revision 1.8, Fri Jun 7 10:21:48 2002 UTC revision 1.18.2.9, Sat Jan 11 14:59:23 2003 UTC
# Line 1  Line 1 
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"
 #include "image/image.h"  
49  #include "utils/ratecontrol.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          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 56  Line 92 
92          uint32_t fincr;          uint32_t fincr;
93          uint32_t fbase;          uint32_t fbase;
94    
95  #ifdef BFRAMES          /* constants */
96            int global;
97            int bquant_ratio;
98            int bquant_offset;
99            int frame_drop_ratio;
100    
101            int iMaxKeyInterval;
102          int max_bframes;          int max_bframes;
 #endif  
103    
104          /* rounding type; alternate 0-1 after each interframe */          /* rounding type; alternate 0-1 after each interframe */
105          /* 1 <= fixed_code <= 4          /* 1 <= fixed_code <= 4
# Line 69  Line 110 
110          uint32_t m_quant_type;          uint32_t m_quant_type;
111          uint32_t m_rounding_type;          uint32_t m_rounding_type;
112          uint32_t m_fcode;          uint32_t m_fcode;
113            uint32_t m_quarterpel;
114            int m_reduced_resolution;       /* reduced_resolution_enable */
115    
116          HINTINFO * hint;          HINTINFO * hint;
117    
118  #ifdef BFRAMES          int64_t m_stamp;
119          uint32_t m_seconds;  }
120          uint32_t m_ticks;  MBParam;
 #endif  
121    
122  } MBParam;  
123    typedef struct
124    {
125            int iTextBits;
126            int iMvSum;
127            int iMvCount;
128            int kblks;
129            int mblks;
130            int ublks;
131            int gblks;
132    }
133    Statistics;
134    
135    
136  typedef struct  typedef struct
# Line 88  Line 141 
141    
142          VOP_TYPE coding_type;          VOP_TYPE coding_type;
143          uint32_t rounding_type;          uint32_t rounding_type;
144            uint32_t quarterpel;
145          uint32_t fcode;          uint32_t fcode;
146          uint32_t bcode;          uint32_t bcode;
147    
 #ifdef BFRAMES  
148          uint32_t seconds;          uint32_t seconds;
149          uint32_t ticks;          uint32_t ticks;
150  #endif          int64_t stamp;
151    
152          IMAGE image;          IMAGE image;
153    
154          MACROBLOCK * mbs;          MACROBLOCK * mbs;
155    
156  } FRAMEINFO;          WARPPOINTS warp;                // as in bitstream
157            GMC_DATA gmc_data;              // common data for all MBs
158    
159  typedef struct          Statistics sStat;
 {  
         int iTextBits;  
         float fMvPrevSigma;  
         int iMvSum;  
         int iMvCount;  
         int kblks;  
         int mblks;  
         int ublks;  
160  }  }
161  Statistics;  FRAMEINFO;
   
162    
163    
164  typedef struct  typedef struct
# Line 121  Line 166 
166          MBParam mbParam;          MBParam mbParam;
167    
168          int iFrameNum;          int iFrameNum;
         int iMaxKeyInterval;  
169          int bitrate;          int bitrate;
170    
171          // images          // images
# Line 129  Line 173 
173          FRAMEINFO * current;          FRAMEINFO * current;
174          FRAMEINFO * reference;          FRAMEINFO * reference;
175    
176  #ifdef _DEBUG  #ifdef _DEBUG_PSNR
177          IMAGE sOriginal;          IMAGE sOriginal;
178  #endif  #endif
179          IMAGE vInterH;          IMAGE vInterH;
# Line 138  Line 182 
182          IMAGE vInterHV;          IMAGE vInterHV;
183          IMAGE vInterHVf;          IMAGE vInterHVf;
184    
185  #ifdef BFRAMES          IMAGE vGMC;
186          /* constants */  
187          int bquant_ratio;          /* image queue */
188          /* vars */          int queue_head;
189            int queue_tail;
190            int queue_size;
191            IMAGE *queue;
192    
193            /* bframe buffer */
194          int bframenum_head;          int bframenum_head;
195          int bframenum_tail;          int bframenum_tail;
196          int flush_bframes;          int flush_bframes;
# Line 150  Line 199 
199          IMAGE f_refh;          IMAGE f_refh;
200          IMAGE f_refv;          IMAGE f_refv;
201          IMAGE f_refhv;          IMAGE f_refhv;
202  #endif          int bframenum_dx50bvop;
         Statistics sStat;  
         RateControl rate_control;  
 }  
 Encoder;  
203    
204            int m_framenum; /* debug frame num counter; unlike iFrameNum, does not reset at ivop */
205    
206  // indicates no quantizer changes in INTRA_Q/INTER_Q modes          RateControl rate_control;
 #define NO_CHANGE 64  
207    
208  void init_encoder(uint32_t cpu_flags);          float fMvPrevSigma;
209    }
210    Encoder;
211    
212  int encoder_create(XVID_ENC_PARAM * pParam);  /*****************************************************************************
213  int encoder_destroy(Encoder * pEnc);   * Inline functions
214  int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult);   ****************************************************************************/
215    
216  static __inline uint8_t get_fcode(uint16_t sr)  static __inline uint8_t
217    get_fcode(uint16_t sr)
218  {  {
219          if (sr <= 16)          if (sr <= 16)
220                  return 1;                  return 1;
# Line 193  Line 241 
241                  return 0;                  return 0;
242  }  }
243    
244  #endif /* _ENCODER_H_ */  
245    /*****************************************************************************
246     * Prototypes
247     ****************************************************************************/
248    
249    void init_encoder(uint32_t cpu_flags);
250    
251    int encoder_create(XVID_ENC_PARAM * pParam);
252    int encoder_destroy(Encoder * pEnc);
253    int encoder_encode(Encoder * pEnc,
254                                       XVID_ENC_FRAME * pFrame,
255                                       XVID_ENC_STATS * pResult);
256    
257    int encoder_encode_bframes(Encoder * pEnc,
258                                       XVID_ENC_FRAME * pFrame,
259                                       XVID_ENC_STATS * pResult);
260    
261    #endif

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