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revision 1.6, Wed May 1 13:00:01 2002 UTC revision 1.18.2.6, Wed Dec 4 12:31:18 2002 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"
49  #include "image/image.h"  #include "image/image.h"
50    #include "utils/ratecontrol.h"
51    
52    /*****************************************************************************
53     * Constants
54     ****************************************************************************/
55    
56    /* Quatization type */
57  #define H263_QUANT      0  #define H263_QUANT      0
58  #define MPEG4_QUANT     1  #define MPEG4_QUANT     1
59    
60    /* Indicates no quantizer changes in INTRA_Q/INTER_Q modes */
61    #define NO_CHANGE 64
62    
63  typedef uint32_t bool;  /*****************************************************************************
64     * Types
65     ****************************************************************************/
66    
67    typedef int bool;
68    
69  typedef enum  typedef enum
70  {  {
71      I_VOP = 0,      I_VOP = 0,
72      P_VOP = 1,      P_VOP = 1,
73          B_VOP = 2          B_VOP = 2,
74            S_VOP = 3
75  }  }
76  VOP_TYPE;  VOP_TYPE;
77    
78  /***********************************  /*****************************************************************************
79     * Structures
80         Encoding Parameters   ****************************************************************************/
   
 ************************************/  
81    
82  typedef struct  typedef struct
83  {  {
# Line 56  Line 93 
93          uint32_t fincr;          uint32_t fincr;
94          uint32_t fbase;          uint32_t fbase;
95    
96    #ifdef _SMP
97            int num_threads;
98    #endif
99    
100            int max_bframes;
101    
102      /* rounding type; alternate 0-1 after each interframe */      /* rounding type; alternate 0-1 after each interframe */
103          /* 1 <= fixed_code <= 4          /* 1 <= fixed_code <= 4
104             automatically adjusted using motion vector statistics inside             automatically adjusted using motion vector statistics inside
# Line 65  Line 108 
108          uint32_t m_quant_type;          uint32_t m_quant_type;
109          uint32_t m_rounding_type;          uint32_t m_rounding_type;
110          uint32_t m_fcode;          uint32_t m_fcode;
111            uint32_t m_quarterpel;
112    
113          HINTINFO * hint;          HINTINFO * hint;
114    
115  #ifdef BFRAMES          int64_t m_stamp;
116          uint32_t m_seconds;  }
117          uint32_t m_ticks;  MBParam;
118  #endif  
119    
120  } MBParam;  typedef struct
121    {
122            int iTextBits;
123            int iMvSum;
124            int iMvCount;
125            int kblks;
126            int mblks;
127            int ublks;
128    }
129    Statistics;
130    
131    
132  typedef struct  typedef struct
# Line 84  Line 137 
137    
138          VOP_TYPE coding_type;          VOP_TYPE coding_type;
139      uint32_t rounding_type;      uint32_t rounding_type;
140            uint32_t quarterpel;
141      uint32_t fcode;      uint32_t fcode;
142          uint32_t bcode;          uint32_t bcode;
143    
 #ifdef BFRAMES  
144          uint32_t seconds;          uint32_t seconds;
145          uint32_t ticks;          uint32_t ticks;
146  #endif          int64_t stamp;
147    
148          IMAGE image;          IMAGE image;
149    
150          MACROBLOCK * mbs;          MACROBLOCK * mbs;
151            VECTOR GMC_MV;
152    
153  } FRAMEINFO;          Statistics sStat;
   
 typedef struct  
 {  
     int iTextBits;  
     float fMvPrevSigma;  
     int iMvSum;  
     int iMvCount;  
         int kblks;  
         int mblks;  
         int ublks;  
154  }  }
155  Statistics;  FRAMEINFO;
156    
157    
158    
# Line 125  Line 169 
169          FRAMEINFO * current;          FRAMEINFO * current;
170          FRAMEINFO * reference;          FRAMEINFO * reference;
171    
172  #ifdef _DEBUG  #ifdef _DEBUG_PSNR
173          IMAGE sOriginal;          IMAGE sOriginal;
174  #endif  #endif
175      IMAGE vInterH;      IMAGE vInterH;
# Line 134  Line 178 
178      IMAGE vInterHV;      IMAGE vInterHV;
179          IMAGE vInterHVf;          IMAGE vInterHVf;
180    
 #ifdef BFRAMES  
181          /* constants */          /* constants */
182          int max_bframes;          int global;
183          int bquant_ratio;          int bquant_ratio;
184          /* vars */          int bquant_offset;
185            int frame_drop_ratio;
186    
187            /* image queue */
188            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 147  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;  
 }  
 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 189  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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