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revision 1.6, Wed May 1 13:00:01 2002 UTC revision 1.10, Thu Jun 13 21:45:24 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  {  {
# Line 36  Line 74 
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
96            int max_bframes;
97    #endif
98    
99      /* rounding type; alternate 0-1 after each interframe */      /* rounding type; alternate 0-1 after each interframe */
100          /* 1 <= fixed_code <= 4          /* 1 <= fixed_code <= 4
101             automatically adjusted using motion vector statistics inside             automatically adjusted using motion vector statistics inside
# Line 73  Line 113 
113          uint32_t m_ticks;          uint32_t m_ticks;
114  #endif  #endif
115    
116  } MBParam;  }
117    MBParam;
118    
119    
120  typedef struct  typedef struct
# Line 96  Line 137 
137    
138          MACROBLOCK * mbs;          MACROBLOCK * mbs;
139    
140  } FRAMEINFO;  }
141    FRAMEINFO;
142    
143  typedef struct  typedef struct
144  {  {
# Line 136  Line 178 
178    
179  #ifdef BFRAMES  #ifdef BFRAMES
180          /* constants */          /* constants */
         int max_bframes;  
181          int bquant_ratio;          int bquant_ratio;
182          /* vars */          /* vars */
183          int bframenum_head;          int bframenum_head;
# Line 149  Line 190 
190      IMAGE f_refhv;      IMAGE f_refhv;
191  #endif  #endif
192      Statistics sStat;      Statistics sStat;
193            RateControl rate_control;
194  }  }
195  Encoder;  Encoder;
196    
197    /*****************************************************************************
198     * Inline functions
199     ****************************************************************************/
200    
201  // indicates no quantizer changes in INTRA_Q/INTER_Q modes  static __inline uint8_t
202  #define NO_CHANGE 64  get_fcode(uint16_t sr)
   
 void init_encoder(uint32_t cpu_flags);  
   
 int encoder_create(XVID_ENC_PARAM * pParam);  
 int encoder_destroy(Encoder * pEnc);  
 int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult);  
   
 static __inline uint8_t get_fcode(uint16_t sr)  
203  {  {
204      if (sr <= 16)      if (sr <= 16)
205                  return 1;                  return 1;
# Line 189  Line 226 
226                  return 0;                  return 0;
227  }  }
228    
229  #endif /* _ENCODER_H_ */  
230    /*****************************************************************************
231     * Prototypes
232     ****************************************************************************/
233    
234    void init_encoder(uint32_t cpu_flags);
235    
236    int encoder_create(XVID_ENC_PARAM * pParam);
237    int encoder_destroy(Encoder * pEnc);
238    int encoder_encode(Encoder * pEnc,
239                                       XVID_ENC_FRAME * pFrame,
240                                       XVID_ENC_STATS * pResult);
241    
242    #endif

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