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revision 1.1, Fri Mar 8 02:44:31 2002 UTC revision 1.27.2.13, Thu Aug 7 15:41:57 2003 UTC
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1  /**************************************************************************  /*****************************************************************************
2   *   *
3   *  Modifications:   *  XVID MPEG-4 VIDEO CODEC
4     *  - Encoder related header  -
5   *   *
6   *  22.08.2001 added support for EXT_MODE encoding mode   *  Copyright(C) 2002-2003 Michael Militzer <isibaar@xvid.org>
7   *             support for EXTENDED API   *               2002-2003 Peter Ross <pross@xvid.org>
  *  22.08.2001 fixed bug in iDQtab  
8   *   *
9   *  Michael Militzer <isibaar@videocoding.de>   *  This program is free software ; you can redistribute it and/or modify
10     *  it under the terms of the GNU General Public License as published by
11     *  the Free Software Foundation ; either version 2 of the License, or
12     *  (at your option) any later version.
13   *   *
14   **************************************************************************/   *  This program is distributed in the hope that it will be useful,
15     *  but WITHOUT ANY WARRANTY ; without even the implied warranty of
16     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17     *  GNU General Public License for more details.
18     *
19     *  You should have received a copy of the GNU General Public License
20     *  along with this program ; if not, write to the Free Software
21     *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
22     *
23     * $Id$
24     *
25     ****************************************************************************/
26    
27  #ifndef _ENCODER_H_  #ifndef _ENCODER_H_
28  #define _ENCODER_H_  #define _ENCODER_H_
29    
   
30  #include "xvid.h"  #include "xvid.h"
   
31  #include "portab.h"  #include "portab.h"
32  #include "global.h"  #include "global.h"
 #include "image/image.h"  
   
   
 #define H263_QUANT      0  
 #define MPEG4_QUANT     1  
   
   
 typedef uint32_t bool;  
33    
34    /*****************************************************************************
35  typedef enum   * Constants
36  {   ****************************************************************************/
37      I_VOP = 0,  
38      P_VOP = 1  /*****************************************************************************
39  }   * Types
40  VOP_TYPE;   ****************************************************************************/
41    
42  /***********************************  typedef int bool;
43    
44         Encoding Parameters  /*****************************************************************************
45     * Structures
46  ************************************/   ****************************************************************************/
47    
48  typedef struct  typedef struct
49  {  {
50        /* --- constants --- */
51      uint32_t width;      uint32_t width;
52      uint32_t height;      uint32_t height;
53    
# Line 51  Line 56 
56          uint32_t mb_width;          uint32_t mb_width;
57          uint32_t mb_height;          uint32_t mb_height;
58    
59      VOP_TYPE coding_type;      int plugin_flags;
60    
61      /* rounding type; alternate 0-1 after each interframe */          /* frame rate increment & base */
62            int32_t fincr;
63            uint32_t fbase;
64    
65      uint32_t rounding_type;      int profile;
66    
67            int global_flags;
68            int bquant_ratio;
69            int bquant_offset;
70            int frame_drop_ratio;
71    
72        int min_quant[3];
73        int max_quant[3];
74    
75    #ifdef _SMP
76            int num_threads;
77    #endif
78    
79    
80            int iMaxKeyInterval;
81            int max_bframes;
82    
83    /* --- inbetween vop stuff --- */
84            /* rounding type; alternate 0-1 after each interframe */
85          /* 1 <= fixed_code <= 4          /* 1 <= fixed_code <= 4
86             automatically adjusted using motion vector statistics inside             automatically adjusted using motion vector statistics inside
87           */           */
88    
89      uint32_t fixed_code;          /* vars that not "quite" frame independant */
90      uint32_t quant;          uint32_t m_rounding_type;
91          uint32_t quant_type;          uint32_t m_fcode;
92          uint32_t motion_flags;      int vol_flags;
93          uint32_t global_flags;  
94  } MBParam;          int64_t m_stamp;
95    }
96    MBParam;
97    
98    
99  typedef struct  typedef struct
100  {  {
101      int iTextBits;      int iTextBits;
     float fMvPrevSigma;  
102      int iMvSum;      int iMvSum;
103      int iMvCount;      int iMvCount;
104          int kblks;          int kblks;
105          int mblks;          int mblks;
106          int ublks;          int ublks;
107            int gblks;
108  }  }
109  Statistics;  Statistics;
110    
111    
112    /* encoding queue */
113    typedef struct
114    {
115            xvid_enc_frame_t frame;
116            unsigned char quant_intra_matrix[64];
117            unsigned char quant_inter_matrix[64];
118            IMAGE image;
119    } QUEUEINFO;
120    
121    
122    typedef struct
123    {
124        int frame_num;
125        int fincr;
126            int vol_flags;
127        int vop_flags;
128            int motion_flags;
129    
130            int coding_type;
131            uint32_t quant;
132            uint32_t rounding_type;
133            uint32_t fcode;
134            uint32_t bcode;
135    
136            uint32_t seconds;
137            uint32_t ticks;
138            int64_t stamp;
139    
140            IMAGE image;
141    
142            MACROBLOCK *mbs;
143    
144            WARPPOINTS warp;                /* as in bitstream */
145            GMC_DATA gmc_data;              /* common data for all MBs */
146            NEW_GMC_DATA new_gmc_data;              /* common data for all MBs */
147    
148        int length;         /* the encoded size of this frame */
149    
150            Statistics sStat;
151    }
152    FRAMEINFO;
153    
154    
155  typedef struct  typedef struct
156  {  {
157      MBParam mbParam;      MBParam mbParam;
158    
159      int iFrameNum;      int iFrameNum;
     int iMaxKeyInterval;  
         int lum_masking;  
160          int bitrate;          int bitrate;
161    
162          // images      /* zones */
163        unsigned int num_zones;
164        xvid_enc_zone_t * zones;
165    
166        /* plugins */
167        int num_plugins;    /* note: we store plugin flags in MBPARAM */
168        xvid_enc_plugin_t * plugins;
169    
170      IMAGE sCurrent;      /* dquant */
171      IMAGE sReference;  
172        int * temp_dquants;
173    
174            /* images */
175    
176            FRAMEINFO *current;
177            FRAMEINFO *reference;
178    
179            IMAGE sOriginal;    /* original image copy for i/p frames */
180        IMAGE sOriginal2;   /* original image copy for b-frames */
181      IMAGE vInterH;      IMAGE vInterH;
182      IMAGE vInterV;      IMAGE vInterV;
183            IMAGE vInterVf;
184      IMAGE vInterHV;      IMAGE vInterHV;
185            IMAGE vInterHVf;
186    
187          // macroblock          IMAGE vGMC;
188    
189          MACROBLOCK * pMBs;          /* image queue */
190            int queue_head;
191            int queue_tail;
192            int queue_size;
193            QUEUEINFO *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    
205        /* closed_gop fixup temporary storage */
206            int closed_bframenum; /* == -1 if there is no fixup intended */
207        QUEUEINFO closed_qframe;    /* qFrame, only valid when >= 0 */
208    
209      Statistics sStat;          int m_framenum; /* debug frame num counter; unlike iFrameNum, does not reset at ivop */
210    
211            float fMvPrevSigma;
212  }  }
213  Encoder;  Encoder;
214    
215    /*****************************************************************************
216     * Inline functions
217     ****************************************************************************/
218    
219  // indicates no quantizer changes in INTRA_Q/INTER_Q modes  static __inline uint8_t
220  #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)  
221  {  {
222      if (sr <= 16)      if (sr <= 16)
223                  return 1;                  return 1;
# Line 144  Line 244 
244                  return 0;                  return 0;
245  }  }
246    
247  #endif /* _ENCODER_H_ */  
248    /*****************************************************************************
249     * Prototypes
250     ****************************************************************************/
251    
252    void init_encoder(uint32_t cpu_flags);
253    
254    int enc_create(xvid_enc_create_t * create);
255    int enc_destroy(Encoder * pEnc);
256    int enc_encode(Encoder * pEnc,
257                                       xvid_enc_frame_t * pFrame,
258                                       xvid_enc_stats_t * stats);
259    
260    #endif
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