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revision 1.8, Fri Jun 7 10:21:48 2002 UTC revision 1.18.2.7, Mon Dec 9 10:47:05 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"  #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 BFRAMES          /* constants */
97          int max_bframes;          int global;
98            int bquant_ratio;
99            int bquant_offset;
100            int frame_drop_ratio;
101    
102    #ifdef _SMP
103            int num_threads;
104  #endif  #endif
105    
106            int iMaxKeyInterval;
107            int max_bframes;
108    
109          /* rounding type; alternate 0-1 after each interframe */          /* rounding type; alternate 0-1 after each interframe */
110          /* 1 <= fixed_code <= 4          /* 1 <= fixed_code <= 4
111             automatically adjusted using motion vector statistics inside             automatically adjusted using motion vector statistics inside
# Line 69  Line 115 
115          uint32_t m_quant_type;          uint32_t m_quant_type;
116          uint32_t m_rounding_type;          uint32_t m_rounding_type;
117          uint32_t m_fcode;          uint32_t m_fcode;
118            uint32_t m_quarterpel;
119            int m_reduced_resolution;       /* reduced_resolution_enable */
120    
121          HINTINFO * hint;          HINTINFO * hint;
122    
123  #ifdef BFRAMES          int64_t m_stamp;
124          uint32_t m_seconds;  }
125          uint32_t m_ticks;  MBParam;
 #endif  
126    
127  } MBParam;  
128    typedef struct
129    {
130            int iTextBits;
131            int iMvSum;
132            int iMvCount;
133            int kblks;
134            int mblks;
135            int ublks;
136    }
137    Statistics;
138    
139    
140  typedef struct  typedef struct
# Line 88  Line 145 
145    
146          VOP_TYPE coding_type;          VOP_TYPE coding_type;
147          uint32_t rounding_type;          uint32_t rounding_type;
148            uint32_t quarterpel;
149          uint32_t fcode;          uint32_t fcode;
150          uint32_t bcode;          uint32_t bcode;
151    
 #ifdef BFRAMES  
152          uint32_t seconds;          uint32_t seconds;
153          uint32_t ticks;          uint32_t ticks;
154  #endif          int64_t stamp;
155    
156          IMAGE image;          IMAGE image;
157    
158          MACROBLOCK * mbs;          MACROBLOCK * mbs;
159            VECTOR GMC_MV;
160    
161  } FRAMEINFO;          Statistics sStat;
   
 typedef struct  
 {  
         int iTextBits;  
         float fMvPrevSigma;  
         int iMvSum;  
         int iMvCount;  
         int kblks;  
         int mblks;  
         int ublks;  
162  }  }
163  Statistics;  FRAMEINFO;
164    
165    
166    
# Line 121  Line 169 
169          MBParam mbParam;          MBParam mbParam;
170    
171          int iFrameNum;          int iFrameNum;
         int iMaxKeyInterval;  
172          int bitrate;          int bitrate;
173    
174          // images          // images
# Line 129  Line 176 
176          FRAMEINFO * current;          FRAMEINFO * current;
177          FRAMEINFO * reference;          FRAMEINFO * reference;
178    
179  #ifdef _DEBUG  #ifdef _DEBUG_PSNR
180          IMAGE sOriginal;          IMAGE sOriginal;
181  #endif  #endif
182          IMAGE vInterH;          IMAGE vInterH;
# Line 138  Line 185 
185          IMAGE vInterHV;          IMAGE vInterHV;
186          IMAGE vInterHVf;          IMAGE vInterHVf;
187    
188  #ifdef BFRAMES          /* image queue */
189          /* constants */          int queue_head;
190          int bquant_ratio;          int queue_tail;
191          /* vars */          int queue_size;
192            IMAGE *queue;
193    
194            /* bframe buffer */
195          int bframenum_head;          int bframenum_head;
196          int bframenum_tail;          int bframenum_tail;
197          int flush_bframes;          int flush_bframes;
# Line 150  Line 200 
200          IMAGE f_refh;          IMAGE f_refh;
201          IMAGE f_refv;          IMAGE f_refv;
202          IMAGE f_refhv;          IMAGE f_refhv;
203  #endif          int bframenum_dx50bvop;
         Statistics sStat;  
         RateControl rate_control;  
 }  
 Encoder;  
204    
205            int m_framenum; /* debug frame num counter; unlike iFrameNum, does not reset at ivop */
206    
207  // indicates no quantizer changes in INTRA_Q/INTER_Q modes          RateControl rate_control;
 #define NO_CHANGE 64  
208    
209  void init_encoder(uint32_t cpu_flags);          float fMvPrevSigma;
210    }
211    Encoder;
212    
213  int encoder_create(XVID_ENC_PARAM * pParam);  /*****************************************************************************
214  int encoder_destroy(Encoder * pEnc);   * Inline functions
215  int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult);   ****************************************************************************/
216    
217  static __inline uint8_t get_fcode(uint16_t sr)  static __inline uint8_t
218    get_fcode(uint16_t sr)
219  {  {
220          if (sr <= 16)          if (sr <= 16)
221                  return 1;                  return 1;
# Line 193  Line 242 
242                  return 0;                  return 0;
243  }  }
244    
245  #endif /* _ENCODER_H_ */  
246    /*****************************************************************************
247     * Prototypes
248     ****************************************************************************/
249    
250    void init_encoder(uint32_t cpu_flags);
251    
252    int encoder_create(XVID_ENC_PARAM * pParam);
253    int encoder_destroy(Encoder * pEnc);
254    int encoder_encode(Encoder * pEnc,
255                                       XVID_ENC_FRAME * pFrame,
256                                       XVID_ENC_STATS * pResult);
257    
258    int encoder_encode_bframes(Encoder * pEnc,
259                                       XVID_ENC_FRAME * pFrame,
260                                       XVID_ENC_STATS * pResult);
261    
262    #endif

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