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revision 1.2, Fri Mar 29 04:25:16 2002 UTC revision 1.27.2.5, Sun Mar 16 12:04:14 2003 UTC
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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 "utils/ratecontrol.h"
50    
51    /*****************************************************************************
52     * Constants
53     ****************************************************************************/
54    
55  #define H263_QUANT      0  /*****************************************************************************
56  #define MPEG4_QUANT     1   * Types
57     ****************************************************************************/
58    
59    typedef int bool;
60    
61  typedef uint32_t bool;  /*****************************************************************************
62     * Structures
63     ****************************************************************************/
 typedef enum  
 {  
     I_VOP = 0,  
     P_VOP = 1  
 }  
 VOP_TYPE;  
   
 /***********************************  
   
        Encoding Parameters  
   
 ************************************/  
64    
65  typedef struct  typedef struct
66  {  {
67        /* --- constants --- */
68      uint32_t width;      uint32_t width;
69      uint32_t height;      uint32_t height;
70    
# Line 51  Line 73 
73          uint32_t mb_width;          uint32_t mb_width;
74          uint32_t mb_height;          uint32_t mb_height;
75    
76      VOP_TYPE coding_type;      int plugin_flags;
77    
78      /* rounding type; alternate 0-1 after each interframe */          /* frame rate increment & base */
79            uint32_t fincr;
80            uint32_t fbase;
81    
82            xvid_global_t global_flags;
83            int bquant_ratio;
84            int bquant_offset;
85            int frame_drop_ratio;
86    
87    #ifdef _SMP
88            int num_threads;
89    #endif
90    
     uint32_t rounding_type;  
91    
92            int iMaxKeyInterval;
93            int max_bframes;
94    
95    /* --- inbetween vop stuff --- */
96            /* rounding type; alternate 0-1 after each interframe */
97          /* 1 <= fixed_code <= 4          /* 1 <= fixed_code <= 4
98             automatically adjusted using motion vector statistics inside             automatically adjusted using motion vector statistics inside
99           */           */
100    
101      uint32_t fixed_code;          /* vars that not "quite" frame independant */
102      uint32_t quant;          uint32_t m_rounding_type;
103          uint32_t quant_type;          uint32_t m_fcode;
104          uint32_t motion_flags;      xvid_vol_t vol_flags;
105          uint32_t global_flags;  
106  } MBParam;          int64_t m_stamp;
107    }
108    MBParam;
109    
110    
111  typedef struct  typedef struct
112  {  {
113      int iTextBits;      int iTextBits;
     float fMvPrevSigma;  
114      int iMvSum;      int iMvSum;
115      int iMvCount;      int iMvCount;
116          int kblks;          int kblks;
117          int mblks;          int mblks;
118          int ublks;          int ublks;
119            int gblks;
120  }  }
121  Statistics;  Statistics;
122    
123    
124    /* encoding queue */
125    typedef struct
126    {
127            xvid_enc_frame_t frame;
128            unsigned char quant_intra_matrix[64];
129            unsigned char quant_inter_matrix[64];
130            IMAGE image;
131    } QUEUEINFO;
132    
133    
134    typedef struct
135    {
136        int frame_num;
137        int fincr;
138            xvid_vol_t vol_flags;
139        xvid_vop_t vop_flags;
140            xvid_motion_t motion_flags;
141    
142            int coding_type;
143            uint32_t quant;
144            uint32_t rounding_type;
145            uint32_t fcode;
146            uint32_t bcode;
147    
148            uint32_t seconds;
149            uint32_t ticks;
150            int64_t stamp;
151    
152            IMAGE image;
153    
154            MACROBLOCK *mbs;
155    
156            WARPPOINTS warp;                // as in bitstream
157            GMC_DATA gmc_data;              // common data for all MBs
158    
159        int length;         /* the encoded size of this frame */
160    
161            Statistics sStat;
162    }
163    FRAMEINFO;
164    
165    
166  typedef struct  typedef struct
167  {  {
168      MBParam mbParam;      MBParam mbParam;
169    
170      int iFrameNum;      int iFrameNum;
     int iMaxKeyInterval;  
         int lum_masking;  
171          int bitrate;          int bitrate;
172    
173        // plugins
174        unsigned int num_plugins;    /* note: we store plugin flags in MBPARAM */
175        xvid_enc_plugin_t * plugins;
176    
177        // dquant
178    
179        int * temp_dquants;
180    
181          // images          // images
182    
183      IMAGE sCurrent;          FRAMEINFO *current;
184      IMAGE sReference;          FRAMEINFO *reference;
185    
186            IMAGE sOriginal;    /* original image copy for i/p frames */
187        IMAGE sOriginal2;   /* original image copy for b-frames */
188      IMAGE vInterH;      IMAGE vInterH;
189      IMAGE vInterV;      IMAGE vInterV;
190          IMAGE vInterVf;          IMAGE vInterVf;
191      IMAGE vInterHV;      IMAGE vInterHV;
192          IMAGE vInterHVf;          IMAGE vInterHVf;
193    
194          // macroblock          IMAGE vGMC;
195    
196          MACROBLOCK * pMBs;          /* image queue */
197            int queue_head;
198      Statistics sStat;          int queue_tail;
199  }          int queue_size;
200  Encoder;          QUEUEINFO *queue;
201    
202            /* bframe buffer */
203            int bframenum_head;
204            int bframenum_tail;
205            int flush_bframes;
206    
207            FRAMEINFO **bframes;
208            IMAGE f_refh;
209            IMAGE f_refv;
210            IMAGE f_refhv;
211    
212        /* closed_gop fixup temporary storage */
213            int closed_bframenum; /* == -1 if there is no fixup intended */
214        QUEUEINFO closed_qframe;    /* qFrame, only valid when >= 0 */
215    
216            int m_framenum; /* debug frame num counter; unlike iFrameNum, does not reset at ivop */
217    
218  // indicates no quantizer changes in INTRA_Q/INTER_Q modes          RateControl rate_control;
 #define NO_CHANGE 64  
219    
220  void init_encoder(uint32_t cpu_flags);          float fMvPrevSigma;
221    }
222    Encoder;
223    
224  int encoder_create(XVID_ENC_PARAM * pParam);  /*****************************************************************************
225  int encoder_destroy(Encoder * pEnc);   * Inline functions
226  int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult);   ****************************************************************************/
227    
228  static __inline uint8_t get_fcode(uint16_t sr)  static __inline uint8_t
229    get_fcode(uint16_t sr)
230  {  {
231      if (sr <= 16)      if (sr <= 16)
232                  return 1;                  return 1;
# Line 146  Line 253 
253                  return 0;                  return 0;
254  }  }
255    
256  #endif /* _ENCODER_H_ */  
257    /*****************************************************************************
258     * Prototypes
259     ****************************************************************************/
260    
261    void init_encoder(uint32_t cpu_flags);
262    
263    int enc_create(xvid_enc_create_t * create, xvid_enc_rc_t * rc);
264    int enc_destroy(Encoder * pEnc);
265    int enc_encode(Encoder * pEnc,
266                                       xvid_enc_frame_t * pFrame,
267                                       xvid_enc_stats_t * stats);
268    
269    #endif
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