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revision 1.8, Fri Jun 7 10:21:48 2002 UTC revision 1.27.2.11, Sat Jun 28 15:49:11 2003 UTC
# Line 1  Line 1 
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"  
 #include "utils/ratecontrol.h"  
   
 #define H263_QUANT      0  
 #define MPEG4_QUANT     1  
   
   
 typedef uint32_t bool;  
   
   
 typedef enum  
 {  
         I_VOP = 0,  
         P_VOP = 1,  
         B_VOP = 2  
 }  
 VOP_TYPE;  
   
 /***********************************  
33    
34         Encoding Parameters  /*****************************************************************************
35     * Constants
36  ************************************/   ****************************************************************************/
37    
38    /*****************************************************************************
39     * Types
40     ****************************************************************************/
41    
42    typedef int bool;
43    
44    /*****************************************************************************
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 52  Line 56 
56          uint32_t mb_width;          uint32_t mb_width;
57          uint32_t mb_height;          uint32_t mb_height;
58    
59        int plugin_flags;
60    
61          /* frame rate increment & base */          /* frame rate increment & base */
62          uint32_t fincr;          uint32_t fincr;
63          uint32_t fbase;          uint32_t fbase;
64    
65  #ifdef BFRAMES      int profile;
66          int max_bframes;  
67            xvid_global_t 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  #endif
78    
79    
80            int iMaxKeyInterval;
81            int max_bframes;
82    
83    /* --- inbetween vop stuff --- */
84          /* rounding type; alternate 0-1 after each interframe */          /* 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          /* vars that not "quite" frame independant */          /* vars that not "quite" frame independant */
         uint32_t m_quant_type;  
90          uint32_t m_rounding_type;          uint32_t m_rounding_type;
91          uint32_t m_fcode;          uint32_t m_fcode;
92        xvid_vol_t vol_flags;
93    
94          HINTINFO * hint;          int64_t m_stamp;
95    }
96    MBParam;
97    
 #ifdef BFRAMES  
         uint32_t m_seconds;  
         uint32_t m_ticks;  
 #endif  
98    
99  } MBParam;  typedef struct
100    {
101            int iTextBits;
102            int iMvSum;
103            int iMvCount;
104            int kblks;
105            int mblks;
106            int ublks;
107            int gblks;
108    }
109    Statistics;
110    
111    
112    /* encoding queue */
113  typedef struct  typedef struct
114  {  {
115          uint32_t quant;          xvid_enc_frame_t frame;
116          uint32_t motion_flags;          unsigned char quant_intra_matrix[64];
117          uint32_t global_flags;          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            xvid_vol_t vol_flags;
127        xvid_vop_t vop_flags;
128            xvid_motion_t motion_flags;
129    
130          VOP_TYPE coding_type;          int coding_type;
131            uint32_t quant;
132          uint32_t rounding_type;          uint32_t rounding_type;
133          uint32_t fcode;          uint32_t fcode;
134          uint32_t bcode;          uint32_t bcode;
135    
 #ifdef BFRAMES  
136          uint32_t seconds;          uint32_t seconds;
137          uint32_t ticks;          uint32_t ticks;
138  #endif          int64_t stamp;
139    
140          IMAGE image;          IMAGE image;
141    
142          MACROBLOCK * mbs;          MACROBLOCK * mbs;
143    
144  } FRAMEINFO;          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  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;  
149    
150            Statistics sStat;
151    }
152    FRAMEINFO;
153    
154    
155  typedef struct  typedef struct
# Line 121  Line 157 
157          MBParam mbParam;          MBParam mbParam;
158    
159          int iFrameNum;          int iFrameNum;
         int iMaxKeyInterval;  
160          int bitrate;          int bitrate;
161    
162          // images      /* zones */
163        unsigned int num_zones;
164        xvid_enc_zone_t * zones;
165    
166        /* plugins */
167        unsigned int num_plugins;    /* note: we store plugin flags in MBPARAM */
168        xvid_enc_plugin_t * plugins;
169    
170        /* dquant */
171    
172        int * temp_dquants;
173    
174            /* images */
175    
176          FRAMEINFO * current;          FRAMEINFO * current;
177          FRAMEINFO * reference;          FRAMEINFO * reference;
178    
179  #ifdef _DEBUG          IMAGE sOriginal;    /* original image copy for i/p frames */
180          IMAGE sOriginal;      IMAGE sOriginal2;   /* original image copy for b-frames */
 #endif  
181          IMAGE vInterH;          IMAGE vInterH;
182          IMAGE vInterV;          IMAGE vInterV;
183          IMAGE vInterVf;          IMAGE vInterVf;
184          IMAGE vInterHV;          IMAGE vInterHV;
185          IMAGE vInterHVf;          IMAGE vInterHVf;
186    
187  #ifdef BFRAMES          IMAGE vGMC;
188          /* constants */  
189          int bquant_ratio;          /* image queue */
190          /* vars */          int queue_head;
191            int queue_tail;
192            int queue_size;
193            QUEUEINFO *queue;
194    
195            /* bframe buffer */
196          int bframenum_head;          int bframenum_head;
197          int bframenum_tail;          int bframenum_tail;
198          int flush_bframes;          int flush_bframes;
# Line 150  Line 201 
201          IMAGE f_refh;          IMAGE f_refh;
202          IMAGE f_refv;          IMAGE f_refv;
203          IMAGE f_refhv;          IMAGE f_refhv;
 #endif  
         Statistics sStat;  
         RateControl rate_control;  
 }  
 Encoder;  
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  // 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  
210    
211  void init_encoder(uint32_t cpu_flags);          float fMvPrevSigma;
212    }
213    Encoder;
214    
215  int encoder_create(XVID_ENC_PARAM * pParam);  /*****************************************************************************
216  int encoder_destroy(Encoder * pEnc);   * Inline functions
217  int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult);   ****************************************************************************/
218    
219  static __inline uint8_t get_fcode(uint16_t sr)  static __inline uint8_t
220    get_fcode(uint16_t sr)
221  {  {
222          if (sr <= 16)          if (sr <= 16)
223                  return 1;                  return 1;
# Line 193  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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