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revision 1.6, Wed May 1 13:00:01 2002 UTC revision 1.27.2.9, Mon Jun 9 01:16:35 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"  
   
   
 #define H263_QUANT      0  
 #define MPEG4_QUANT     1  
   
49    
50  typedef uint32_t bool;  /*****************************************************************************
51     * Constants
52     ****************************************************************************/
53  typedef enum  
54  {  /*****************************************************************************
55      I_VOP = 0,   * Types
56      P_VOP = 1,   ****************************************************************************/
57          B_VOP = 2  
58  }  typedef int bool;
59  VOP_TYPE;  
60    /*****************************************************************************
61  /***********************************   * Structures
62     ****************************************************************************/
        Encoding Parameters  
   
 ************************************/  
63    
64  typedef struct  typedef struct
65  {  {
66        /* --- constants --- */
67      uint32_t width;      uint32_t width;
68      uint32_t height;      uint32_t height;
69    
# Line 52  Line 72 
72          uint32_t mb_width;          uint32_t mb_width;
73          uint32_t mb_height;          uint32_t mb_height;
74    
75        int plugin_flags;
76    
77          /* frame rate increment & base */          /* frame rate increment & base */
78          uint32_t fincr;          uint32_t fincr;
79          uint32_t fbase;          uint32_t fbase;
80    
81        int profile;
82    
83            xvid_global_t global_flags;
84            int bquant_ratio;
85            int bquant_offset;
86            int frame_drop_ratio;
87    
88        int min_quant[3];
89        int max_quant[3];
90    
91    #ifdef _SMP
92            int num_threads;
93    #endif
94    
95    
96            int iMaxKeyInterval;
97            int max_bframes;
98    
99    /* --- inbetween vop stuff --- */
100      /* rounding type; alternate 0-1 after each interframe */      /* rounding type; alternate 0-1 after each interframe */
101          /* 1 <= fixed_code <= 4          /* 1 <= fixed_code <= 4
102             automatically adjusted using motion vector statistics inside             automatically adjusted using motion vector statistics inside
103           */           */
104    
105          /* vars that not "quite" frame independant */          /* vars that not "quite" frame independant */
         uint32_t m_quant_type;  
106          uint32_t m_rounding_type;          uint32_t m_rounding_type;
107          uint32_t m_fcode;          uint32_t m_fcode;
108        xvid_vol_t vol_flags;
109    
110          HINTINFO * hint;          int64_t m_stamp;
111    }
112    MBParam;
113    
 #ifdef BFRAMES  
         uint32_t m_seconds;  
         uint32_t m_ticks;  
 #endif  
114    
115  } MBParam;  typedef struct
116    {
117            int iTextBits;
118            int iMvSum;
119            int iMvCount;
120            int kblks;
121            int mblks;
122            int ublks;
123            int gblks;
124    }
125    Statistics;
126    
127    
128    /* encoding queue */
129  typedef struct  typedef struct
130  {  {
131      uint32_t quant;          xvid_enc_frame_t frame;
132          uint32_t motion_flags;          unsigned char quant_intra_matrix[64];
133          uint32_t global_flags;          unsigned char quant_inter_matrix[64];
134            IMAGE image;
135    } QUEUEINFO;
136    
137          VOP_TYPE coding_type;  
138    typedef struct
139    {
140        int frame_num;
141        int fincr;
142            xvid_vol_t vol_flags;
143        xvid_vop_t vop_flags;
144            xvid_motion_t motion_flags;
145    
146            int coding_type;
147            uint32_t quant;
148      uint32_t rounding_type;      uint32_t rounding_type;
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    
160  } FRAMEINFO;          WARPPOINTS warp;                /* as in bitstream */
161            GMC_DATA gmc_data;              /* common data for all MBs */
162    
163  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;  
164    
165            Statistics sStat;
166    }
167    FRAMEINFO;
168    
169    
170  typedef struct  typedef struct
# Line 117  Line 172 
172      MBParam mbParam;      MBParam mbParam;
173    
174      int iFrameNum;      int iFrameNum;
     int iMaxKeyInterval;  
175          int bitrate;          int bitrate;
176    
177          // images      /* zones */
178        unsigned int num_zones;
179        xvid_enc_zone_t * zones;
180    
181        /* plugins */
182        unsigned int num_plugins;    /* note: we store plugin flags in MBPARAM */
183        xvid_enc_plugin_t * plugins;
184    
185        /* dquant */
186    
187        int * temp_dquants;
188    
189            /* images */
190    
191          FRAMEINFO * current;          FRAMEINFO * current;
192          FRAMEINFO * reference;          FRAMEINFO * reference;
193    
194  #ifdef _DEBUG          IMAGE sOriginal;    /* original image copy for i/p frames */
195          IMAGE sOriginal;      IMAGE sOriginal2;   /* original image copy for b-frames */
 #endif  
196      IMAGE vInterH;      IMAGE vInterH;
197      IMAGE vInterV;      IMAGE vInterV;
198          IMAGE vInterVf;          IMAGE vInterVf;
199      IMAGE vInterHV;      IMAGE vInterHV;
200          IMAGE vInterHVf;          IMAGE vInterHVf;
201    
202  #ifdef BFRAMES          IMAGE vGMC;
203          /* constants */  
204          int max_bframes;          /* image queue */
205          int bquant_ratio;          int queue_head;
206          /* vars */          int queue_tail;
207            int queue_size;
208            QUEUEINFO *queue;
209    
210            /* bframe buffer */
211          int bframenum_head;          int bframenum_head;
212          int bframenum_tail;          int bframenum_tail;
213          int flush_bframes;          int flush_bframes;
# Line 147  Line 216 
216      IMAGE f_refh;      IMAGE f_refh;
217      IMAGE f_refv;      IMAGE f_refv;
218      IMAGE f_refhv;      IMAGE f_refhv;
 #endif  
     Statistics sStat;  
 }  
 Encoder;  
219    
220        /* closed_gop fixup temporary storage */
221            int closed_bframenum; /* == -1 if there is no fixup intended */
222        QUEUEINFO closed_qframe;    /* qFrame, only valid when >= 0 */
223    
224  // 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  
225    
226  void init_encoder(uint32_t cpu_flags);          float fMvPrevSigma;
227    }
228    Encoder;
229    
230  int encoder_create(XVID_ENC_PARAM * pParam);  /*****************************************************************************
231  int encoder_destroy(Encoder * pEnc);   * Inline functions
232  int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult);   ****************************************************************************/
233    
234  static __inline uint8_t get_fcode(uint16_t sr)  static __inline uint8_t
235    get_fcode(uint16_t sr)
236  {  {
237      if (sr <= 16)      if (sr <= 16)
238                  return 1;                  return 1;
# Line 189  Line 259 
259                  return 0;                  return 0;
260  }  }
261    
262  #endif /* _ENCODER_H_ */  
263    /*****************************************************************************
264     * Prototypes
265     ****************************************************************************/
266    
267    void init_encoder(uint32_t cpu_flags);
268    
269    int enc_create(xvid_enc_create_t * create);
270    int enc_destroy(Encoder * pEnc);
271    int enc_encode(Encoder * pEnc,
272                                       xvid_enc_frame_t * pFrame,
273                                       xvid_enc_stats_t * stats);
274    
275    #endif
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