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revision 1.9, Wed Jun 12 20:38:40 2002 UTC revision 1.27.2.1, Sat Feb 22 08:49:44 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    /*****************************************************************************
52     * Constants
53     ****************************************************************************/
54    
55    /* Quatization type */
56  #define H263_QUANT      0  #define H263_QUANT      0
57  #define MPEG4_QUANT     1  #define MPEG4_QUANT     1
58    
59    /* Indicates no quantizer changes in INTRA_Q/INTER_Q modes */
60    #define NO_CHANGE 64
61    
62  typedef uint32_t bool;  /*****************************************************************************
63     * Types
64     ****************************************************************************/
65  typedef enum  
66  {  typedef int bool;
67          I_VOP = 0,  
68          P_VOP = 1,  /*****************************************************************************
69          B_VOP = 2   * Structures
70  }   ****************************************************************************/
 VOP_TYPE;  
   
 /***********************************  
   
        Encoding Parameters  
   
 ************************************/  
71    
72  typedef struct  typedef struct
73  {  {
74        /* --- constants --- */
75          uint32_t width;          uint32_t width;
76          uint32_t height;          uint32_t height;
77    
# Line 56  Line 84 
84          uint32_t fincr;          uint32_t fincr;
85          uint32_t fbase;          uint32_t fbase;
86    
87  #ifdef BFRAMES          xvid_global_t global_flags;
88          int max_bframes;          int bquant_ratio;
89            int bquant_offset;
90            int frame_drop_ratio;
91    
92    #ifdef _SMP
93            int num_threads;
94  #endif  #endif
95    
96    
97            int iMaxKeyInterval;
98            int max_bframes;
99    
100    /* --- inbetween vop stuff --- */
101          /* rounding type; alternate 0-1 after each interframe */          /* 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          /* vars that not "quite" frame independant */          /* vars that not "quite" frame independant */
         uint32_t m_quant_type;  
107          uint32_t m_rounding_type;          uint32_t m_rounding_type;
108          uint32_t m_fcode;          uint32_t m_fcode;
109        xvid_vol_t vol_flags;
110    
111          HINTINFO *hint;          int64_t m_stamp;
112    }
113    MBParam;
114    
 #ifdef BFRAMES  
         uint32_t m_seconds;  
         uint32_t m_ticks;  
 #endif  
115    
116    typedef struct
117    {
118            int iTextBits;
119            int iMvSum;
120            int iMvCount;
121            int kblks;
122            int mblks;
123            int ublks;
124            int gblks;
125  }  }
126  MBParam;  Statistics;
127    
128    
129    /* encoding queue */
130  typedef struct  typedef struct
131  {  {
132          uint32_t quant;          xvid_enc_frame_t frame;
133          uint32_t motion_flags;          unsigned char quant_intra_matrix[64];
134          uint32_t global_flags;          unsigned char quant_inter_matrix[64];
135            IMAGE image;
136    } QUEUEINFO;
137    
138    
139    typedef struct
140    {
141            xvid_vol_t vol_flags;
142        xvid_vop_t vop_flags;
143            xvid_motion_t motion_flags;
144    
145          VOP_TYPE coding_type;          int coding_type;
146            uint32_t quant;
147          uint32_t rounding_type;          uint32_t rounding_type;
148          uint32_t fcode;          uint32_t fcode;
149          uint32_t bcode;          uint32_t bcode;
150    
 #ifdef BFRAMES  
151          uint32_t seconds;          uint32_t seconds;
152          uint32_t ticks;          uint32_t ticks;
153  #endif          int64_t stamp;
154    
155          IMAGE image;          IMAGE image;
156    
157          MACROBLOCK *mbs;          MACROBLOCK *mbs;
158    
159  }          WARPPOINTS warp;                // as in bitstream
160  FRAMEINFO;          GMC_DATA gmc_data;              // common data for all MBs
161    
162  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;  
163    
164            Statistics sStat;
165    }
166    FRAMEINFO;
167    
168    
169  typedef struct  typedef struct
# Line 123  Line 171 
171          MBParam mbParam;          MBParam mbParam;
172    
173          int iFrameNum;          int iFrameNum;
         int iMaxKeyInterval;  
174          int bitrate;          int bitrate;
175    
176          // images          // images
# Line 131  Line 178 
178          FRAMEINFO *current;          FRAMEINFO *current;
179          FRAMEINFO *reference;          FRAMEINFO *reference;
180    
 #ifdef _DEBUG  
181          IMAGE sOriginal;          IMAGE sOriginal;
 #endif  
182          IMAGE vInterH;          IMAGE vInterH;
183          IMAGE vInterV;          IMAGE vInterV;
184          IMAGE vInterVf;          IMAGE vInterVf;
185          IMAGE vInterHV;          IMAGE vInterHV;
186          IMAGE vInterHVf;          IMAGE vInterHVf;
187    
188  #ifdef BFRAMES          IMAGE vGMC;
189          /* constants */  
190          int bquant_ratio;          /* image queue */
191          /* vars */          int queue_head;
192            int queue_tail;
193            int queue_size;
194            QUEUEINFO *queue;
195    
196            /* bframe buffer */
197          int bframenum_head;          int bframenum_head;
198          int bframenum_tail;          int bframenum_tail;
199          int flush_bframes;          int flush_bframes;
# Line 152  Line 202 
202          IMAGE f_refh;          IMAGE f_refh;
203          IMAGE f_refv;          IMAGE f_refv;
204          IMAGE f_refhv;          IMAGE f_refhv;
 #endif  
         Statistics sStat;  
         RateControl rate_control;  
 }  
 Encoder;  
205    
206        /* closed_gop fixup temporary storage */
207            int closed_bframenum; /* == -1 if there is no fixup intended */
208        QUEUEINFO closed_qframe;    /* qFrame, only valid when >= 0 */
209    
210  // 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  
211    
212  void init_encoder(uint32_t cpu_flags);          RateControl rate_control;
213    
214  int encoder_create(XVID_ENC_PARAM * pParam);          float fMvPrevSigma;
215  int encoder_destroy(Encoder * pEnc);  }
216  int encoder_encode(Encoder * pEnc,  Encoder;
217                                     XVID_ENC_FRAME * pFrame,  
218                                     XVID_ENC_STATS * pResult);  /*****************************************************************************
219     * Inline functions
220     ****************************************************************************/
221    
222  static __inline uint8_t  static __inline uint8_t
223  get_fcode(uint16_t sr)  get_fcode(uint16_t sr)
# Line 198  Line 247 
247                  return 0;                  return 0;
248  }  }
249    
250  #endif                                                  /* _ENCODER_H_ */  
251    /*****************************************************************************
252     * Prototypes
253     ****************************************************************************/
254    
255    void init_encoder(uint32_t cpu_flags);
256    
257    int enc_create(xvid_enc_create_t * create, xvid_enc_rc_t * rc);
258    int enc_destroy(Encoder * pEnc);
259    int enc_encode(Encoder * pEnc,
260                                       xvid_enc_frame_t * pFrame,
261                                       xvid_enc_stats_t * stats);
262    
263    #endif
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