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revision 1.9, Wed Jun 12 20:38:40 2002 UTC revision 1.27.2.6, Wed Mar 26 11:01:03 2003 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"
 #include "image/image.h"  
49  #include "utils/ratecontrol.h"  #include "utils/ratecontrol.h"
50    
51  #define H263_QUANT      0  /*****************************************************************************
52  #define MPEG4_QUANT     1   * Constants
53     ****************************************************************************/
54    
55  typedef uint32_t bool;  /*****************************************************************************
56     * Types
57     ****************************************************************************/
58  typedef enum  
59  {  typedef int bool;
60          I_VOP = 0,  
61          P_VOP = 1,  /*****************************************************************************
62          B_VOP = 2   * Structures
63  }   ****************************************************************************/
 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 52  Line 73 
73          uint32_t mb_width;          uint32_t mb_width;
74          uint32_t mb_height;          uint32_t mb_height;
75    
76        int plugin_flags;
77    
78          /* frame rate increment & base */          /* frame rate increment & base */
79          uint32_t fincr;          uint32_t fincr;
80          uint32_t fbase;          uint32_t fbase;
81    
82  #ifdef BFRAMES          xvid_global_t global_flags;
83          int max_bframes;          int bquant_ratio;
84            int bquant_offset;
85            int frame_drop_ratio;
86    
87    #ifdef _SMP
88            int num_threads;
89  #endif  #endif
90    
91    
92            int iMaxKeyInterval;
93            int max_bframes;
94    
95    /* --- inbetween vop stuff --- */
96          /* rounding type; alternate 0-1 after each interframe */          /* 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          /* vars that not "quite" frame independant */          /* vars that not "quite" frame independant */
         uint32_t m_quant_type;  
102          uint32_t m_rounding_type;          uint32_t m_rounding_type;
103          uint32_t m_fcode;          uint32_t m_fcode;
104        xvid_vol_t vol_flags;
105    
106          HINTINFO *hint;          int64_t m_stamp;
107    }
108    MBParam;
109    
 #ifdef BFRAMES  
         uint32_t m_seconds;  
         uint32_t m_ticks;  
 #endif  
110    
111    typedef struct
112    {
113            int iTextBits;
114            int iMvSum;
115            int iMvCount;
116            int kblks;
117            int mblks;
118            int ublks;
119            int gblks;
120  }  }
121  MBParam;  Statistics;
122    
123    
124    /* encoding queue */
125  typedef struct  typedef struct
126  {  {
127          uint32_t quant;          xvid_enc_frame_t frame;
128          uint32_t motion_flags;          unsigned char quant_intra_matrix[64];
129          uint32_t global_flags;          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          VOP_TYPE coding_type;          int coding_type;
143            uint32_t quant;
144          uint32_t rounding_type;          uint32_t rounding_type;
145          uint32_t fcode;          uint32_t fcode;
146          uint32_t bcode;          uint32_t bcode;
147    
 #ifdef BFRAMES  
148          uint32_t seconds;          uint32_t seconds;
149          uint32_t ticks;          uint32_t ticks;
150  #endif          int64_t stamp;
151    
152          IMAGE image;          IMAGE image;
153    
154          MACROBLOCK *mbs;          MACROBLOCK *mbs;
155    
156  }          WARPPOINTS warp;                // as in bitstream
157  FRAMEINFO;          GMC_DATA gmc_data;              // common data for all MBs
158    
159  typedef struct      int length;         /* the encoded size of this frame */
 {  
         int iTextBits;  
         float fMvPrevSigma;  
         int iMvSum;  
         int iMvCount;  
         int kblks;  
         int mblks;  
         int ublks;  
 }  
 Statistics;  
160    
161            Statistics sStat;
162    }
163    FRAMEINFO;
164    
165    
166  typedef struct  typedef struct
# Line 123  Line 168 
168          MBParam mbParam;          MBParam mbParam;
169    
170          int iFrameNum;          int iFrameNum;
         int iMaxKeyInterval;  
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          FRAMEINFO *current;          FRAMEINFO *current;
184          FRAMEINFO *reference;          FRAMEINFO *reference;
185    
186  #ifdef _DEBUG          IMAGE sOriginal;    /* original image copy for i/p frames */
187          IMAGE sOriginal;      IMAGE sOriginal2;   /* original image copy for b-frames */
 #endif  
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  #ifdef BFRAMES          IMAGE vGMC;
195          /* constants */  
196          int bquant_ratio;          /* image queue */
197          /* vars */          int queue_head;
198            int queue_tail;
199            int queue_size;
200            QUEUEINFO *queue;
201    
202            /* bframe buffer */
203          int bframenum_head;          int bframenum_head;
204          int bframenum_tail;          int bframenum_tail;
205          int flush_bframes;          int flush_bframes;
# Line 152  Line 208 
208          IMAGE f_refh;          IMAGE f_refh;
209          IMAGE f_refv;          IMAGE f_refv;
210          IMAGE f_refhv;          IMAGE f_refhv;
 #endif  
         Statistics sStat;  
         RateControl rate_control;  
 }  
 Encoder;  
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  // indicates no quantizer changes in INTRA_Q/INTER_Q modes          int m_framenum; /* debug frame num counter; unlike iFrameNum, does not reset at ivop */
 #define NO_CHANGE 64  
217    
218  void init_encoder(uint32_t cpu_flags);          RateControl rate_control;
219    
220  int encoder_create(XVID_ENC_PARAM * pParam);          float fMvPrevSigma;
221  int encoder_destroy(Encoder * pEnc);  }
222  int encoder_encode(Encoder * pEnc,  Encoder;
223                                     XVID_ENC_FRAME * pFrame,  
224                                     XVID_ENC_STATS * pResult);  /*****************************************************************************
225     * Inline functions
226     ****************************************************************************/
227    
228  static __inline uint8_t  static __inline uint8_t
229  get_fcode(uint16_t sr)  get_fcode(uint16_t sr)
# Line 198  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);
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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