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revision 1.3, Fri Apr 5 14:40:36 2002 UTC revision 1.17, Wed Aug 7 10:09:00 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
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            uint32_t fbase;
94    
95    #ifdef _SMP
96            int num_threads;
97    #endif
98    
99    #ifdef BFRAMES
100            int max_bframes;
101    #endif
102    
103      /* rounding type; alternate 0-1 after each interframe */      /* rounding type; alternate 0-1 after each interframe */
   
     uint32_t rounding_type;  
   
104          /* 1 <= fixed_code <= 4          /* 1 <= fixed_code <= 4
105             automatically adjusted using motion vector statistics inside             automatically adjusted using motion vector statistics inside
106           */           */
107    
108      uint32_t fixed_code;          /* vars that not "quite" frame independant */
109            uint32_t m_quant_type;
110            uint32_t m_rounding_type;
111            uint32_t m_fcode;
112    
113            HINTINFO *hint;
114    
115    #ifdef BFRAMES
116            uint32_t m_seconds;
117            uint32_t m_ticks;
118    #endif
119    
120    }
121    MBParam;
122    
123    
124    typedef struct
125    {
126      uint32_t quant;      uint32_t quant;
         uint32_t quant_type;  
127          uint32_t motion_flags;          uint32_t motion_flags;
128          uint32_t global_flags;          uint32_t global_flags;
129    
130          HINTINFO * hint;          VOP_TYPE coding_type;
131  } MBParam;          uint32_t rounding_type;
132            uint32_t fcode;
133            uint32_t bcode;
134    
135    #ifdef BFRAMES
136            uint32_t seconds;
137            uint32_t ticks;
138    #endif
139    
140            IMAGE image;
141    
142            MACROBLOCK *mbs;
143    
144    }
145    FRAMEINFO;
146    
147  typedef struct  typedef struct
148  {  {
# Line 90  Line 164 
164    
165      int iFrameNum;      int iFrameNum;
166      int iMaxKeyInterval;      int iMaxKeyInterval;
         int lum_masking;  
167          int bitrate;          int bitrate;
168    
169          // images          // images
170    
171      IMAGE sCurrent;          FRAMEINFO *current;
172      IMAGE sReference;          FRAMEINFO *reference;
173    
174    #ifdef _DEBUG_PSNR
175            IMAGE sOriginal;
176    #endif
177      IMAGE vInterH;      IMAGE vInterH;
178      IMAGE vInterV;      IMAGE vInterV;
179          IMAGE vInterVf;          IMAGE vInterVf;
180      IMAGE vInterHV;      IMAGE vInterHV;
181          IMAGE vInterHVf;          IMAGE vInterHVf;
182    
183          // macroblock  #ifdef BFRAMES
184            /* constants */
185          MACROBLOCK * pMBs;          int global;
186            int bquant_ratio;
187            int frame_drop_ratio;
188    
189            /* image queue */
190            int queue_head;
191            int queue_tail;
192            int queue_size;
193            IMAGE *queue;
194    
195            /* bframe buffer */
196            int bframenum_head;
197            int bframenum_tail;
198            int flush_bframes;
199    
200            FRAMEINFO **bframes;
201            IMAGE f_refh;
202            IMAGE f_refv;
203            IMAGE f_refhv;
204            int bframenum_dx50bvop;
205    
206            int last_pframe;
207            int last_sync;
208            int time_pp;
209            int m_framenum; /* debug frame num counter; unlike iFrameNum, does not reset at ivop */
210    #endif
211    
212      Statistics sStat;      Statistics sStat;
213            RateControl rate_control;
214  }  }
215  Encoder;  Encoder;
216    
217    /*****************************************************************************
218     * Inline functions
219     ****************************************************************************/
220    
221  // indicates no quantizer changes in INTRA_Q/INTER_Q modes  static __inline uint8_t
222  #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)  
223  {  {
224      if (sr <= 16)      if (sr <= 16)
225                  return 1;                  return 1;
# Line 148  Line 246 
246                  return 0;                  return 0;
247  }  }
248    
249  #endif /* _ENCODER_H_ */  
250    /*****************************************************************************
251     * Prototypes
252     ****************************************************************************/
253    
254    void init_encoder(uint32_t cpu_flags);
255    
256    int encoder_create(XVID_ENC_PARAM * pParam);
257    int encoder_destroy(Encoder * pEnc);
258    int encoder_encode(Encoder * pEnc,
259                                       XVID_ENC_FRAME * pFrame,
260                                       XVID_ENC_STATS * pResult);
261    
262    int encoder_encode_bframes(Encoder * pEnc,
263                                       XVID_ENC_FRAME * pFrame,
264                                       XVID_ENC_STATS * pResult);
265    
266    #endif

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