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revision 1.3, Fri Apr 5 14:40:36 2002 UTC revision 1.27.2.7, Mon May 12 12:28:31 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  #define H263_QUANT      0  /*****************************************************************************
52  #define MPEG4_QUANT     1   * Constants
53     ****************************************************************************/
54    
55    /*****************************************************************************
56     * Types
57     ****************************************************************************/
58    
59  typedef uint32_t bool;  typedef int bool;
60    
61    /*****************************************************************************
62  typedef enum   * Structures
63  {   ****************************************************************************/
     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      uint32_t rounding_type;      int profile;
83    
84            xvid_global_t global_flags;
85            int bquant_ratio;
86            int bquant_offset;
87            int frame_drop_ratio;
88    
89        int min_quant[3];
90        int max_quant[3];
91    
92    #ifdef _SMP
93            int num_threads;
94    #endif
95    
96    
97            int iMaxKeyInterval;
98            int max_bframes;
99    
100    /* --- inbetween vop stuff --- */
101            /* rounding type; alternate 0-1 after each interframe */
102          /* 1 <= fixed_code <= 4          /* 1 <= fixed_code <= 4
103             automatically adjusted using motion vector statistics inside             automatically adjusted using motion vector statistics inside
104           */           */
105    
106      uint32_t fixed_code;          /* vars that not "quite" frame independant */
107      uint32_t quant;          uint32_t m_rounding_type;
108          uint32_t quant_type;          uint32_t m_fcode;
109          uint32_t motion_flags;      xvid_vol_t vol_flags;
110          uint32_t global_flags;  
111            int64_t m_stamp;
112    }
113    MBParam;
114    
         HINTINFO * hint;  
 } MBParam;  
115    
116  typedef struct  typedef struct
117  {  {
118      int iTextBits;      int iTextBits;
     float fMvPrevSigma;  
119      int iMvSum;      int iMvSum;
120      int iMvCount;      int iMvCount;
121          int kblks;          int kblks;
122          int mblks;          int mblks;
123          int ublks;          int ublks;
124            int gblks;
125  }  }
126  Statistics;  Statistics;
127    
128    
129    /* encoding queue */
130    typedef struct
131    {
132            xvid_enc_frame_t frame;
133            unsigned char quant_intra_matrix[64];
134            unsigned char quant_inter_matrix[64];
135            IMAGE image;
136    } QUEUEINFO;
137    
138    
139    typedef struct
140    {
141        int frame_num;
142        int fincr;
143            xvid_vol_t vol_flags;
144        xvid_vop_t vop_flags;
145            xvid_motion_t motion_flags;
146    
147            int coding_type;
148            uint32_t quant;
149            uint32_t rounding_type;
150            uint32_t fcode;
151            uint32_t bcode;
152    
153            uint32_t seconds;
154            uint32_t ticks;
155            int64_t stamp;
156    
157            IMAGE image;
158    
159            MACROBLOCK *mbs;
160    
161            WARPPOINTS warp;                // as in bitstream
162            GMC_DATA gmc_data;              // common data for all MBs
163    
164        int length;         /* the encoded size of this frame */
165    
166            Statistics sStat;
167    }
168    FRAMEINFO;
169    
170    
171  typedef struct  typedef struct
172  {  {
173      MBParam mbParam;      MBParam mbParam;
174    
175      int iFrameNum;      int iFrameNum;
     int iMaxKeyInterval;  
         int lum_masking;  
176          int bitrate;          int bitrate;
177    
178        // zones
179        unsigned int num_zones;
180        xvid_enc_zone_t * zones;
181    
182        // plugins
183        unsigned int num_plugins;    /* note: we store plugin flags in MBPARAM */
184        xvid_enc_plugin_t * plugins;
185    
186        // dquant
187    
188        int * temp_dquants;
189    
190          // images          // images
191    
192      IMAGE sCurrent;          FRAMEINFO *current;
193      IMAGE sReference;          FRAMEINFO *reference;
194    
195            IMAGE sOriginal;    /* original image copy for i/p frames */
196        IMAGE sOriginal2;   /* original image copy for b-frames */
197      IMAGE vInterH;      IMAGE vInterH;
198      IMAGE vInterV;      IMAGE vInterV;
199          IMAGE vInterVf;          IMAGE vInterVf;
200      IMAGE vInterHV;      IMAGE vInterHV;
201          IMAGE vInterHVf;          IMAGE vInterHVf;
202    
203          // macroblock          IMAGE vGMC;
   
         MACROBLOCK * pMBs;  
204    
205      Statistics sStat;          /* image queue */
206  }          int queue_head;
207  Encoder;          int queue_tail;
208            int queue_size;
209            QUEUEINFO *queue;
210    
211            /* bframe buffer */
212            int bframenum_head;
213            int bframenum_tail;
214            int flush_bframes;
215    
216            FRAMEINFO **bframes;
217            IMAGE f_refh;
218            IMAGE f_refv;
219            IMAGE f_refhv;
220    
221        /* closed_gop fixup temporary storage */
222            int closed_bframenum; /* == -1 if there is no fixup intended */
223        QUEUEINFO closed_qframe;    /* qFrame, only valid when >= 0 */
224    
225            int m_framenum; /* debug frame num counter; unlike iFrameNum, does not reset at ivop */
226    
227  // indicates no quantizer changes in INTRA_Q/INTER_Q modes          RateControl rate_control;
 #define NO_CHANGE 64  
228    
229  void init_encoder(uint32_t cpu_flags);          float fMvPrevSigma;
230    }
231    Encoder;
232    
233  int encoder_create(XVID_ENC_PARAM * pParam);  /*****************************************************************************
234  int encoder_destroy(Encoder * pEnc);   * Inline functions
235  int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult);   ****************************************************************************/
236    
237  static __inline uint8_t get_fcode(uint16_t sr)  static __inline uint8_t
238    get_fcode(uint16_t sr)
239  {  {
240      if (sr <= 16)      if (sr <= 16)
241                  return 1;                  return 1;
# Line 148  Line 262 
262                  return 0;                  return 0;
263  }  }
264    
265  #endif /* _ENCODER_H_ */  
266    /*****************************************************************************
267     * Prototypes
268     ****************************************************************************/
269    
270    void init_encoder(uint32_t cpu_flags);
271    
272    int enc_create(xvid_enc_create_t * create);
273    int enc_destroy(Encoder * pEnc);
274    int enc_encode(Encoder * pEnc,
275                                       xvid_enc_frame_t * pFrame,
276                                       xvid_enc_stats_t * stats);
277    
278    #endif
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