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revision 1.3, Fri Apr 5 14:40:36 2002 UTC revision 1.27.2.2, Thu Mar 13 11:07:20 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    /*****************************************************************************
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  }   * 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 51  Line 80 
80          uint32_t mb_width;          uint32_t mb_width;
81          uint32_t mb_height;          uint32_t mb_height;
82    
83      VOP_TYPE coding_type;          /* frame rate increment & base */
84            uint32_t fincr;
85            uint32_t fbase;
86    
87            xvid_global_t global_flags;
88            int bquant_ratio;
89            int bquant_offset;
90            int frame_drop_ratio;
91    
92    #ifdef _SMP
93            int num_threads;
94    #endif
95    
     /* rounding type; alternate 0-1 after each interframe */  
96    
97      uint32_t rounding_type;          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            xvid_vol_t vol_flags;
142        xvid_vop_t vop_flags;
143            xvid_motion_t motion_flags;
144    
145            int coding_type;
146            uint32_t quant;
147            uint32_t rounding_type;
148            uint32_t fcode;
149            uint32_t bcode;
150    
151            uint32_t seconds;
152            uint32_t ticks;
153            int64_t stamp;
154    
155            IMAGE image;
156    
157            MACROBLOCK *mbs;
158    
159            WARPPOINTS warp;                // as in bitstream
160            GMC_DATA gmc_data;              // common data for all MBs
161    
162        int length;         /* the encoded size of this frame */
163    
164            Statistics sStat;
165    }
166    FRAMEINFO;
167    
168    
169  typedef struct  typedef struct
170  {  {
171      MBParam mbParam;      MBParam mbParam;
172    
173      int iFrameNum;      int iFrameNum;
     int iMaxKeyInterval;  
         int lum_masking;  
174          int bitrate;          int bitrate;
175    
176        // plugins
177    
178        int plugin_flags;
179        int num_plugins;
180        xvid_enc_plugin_t * plugins;
181    
182        // dquant
183    
184        int * temp_dquants;
185    
186          // images          // images
187    
188      IMAGE sCurrent;          FRAMEINFO *current;
189      IMAGE sReference;          FRAMEINFO *reference;
190    
191            IMAGE sOriginal;
192      IMAGE vInterH;      IMAGE vInterH;
193      IMAGE vInterV;      IMAGE vInterV;
194          IMAGE vInterVf;          IMAGE vInterVf;
195      IMAGE vInterHV;      IMAGE vInterHV;
196          IMAGE vInterHVf;          IMAGE vInterHVf;
197    
198          // macroblock          IMAGE vGMC;
   
         MACROBLOCK * pMBs;  
199    
200      Statistics sStat;          /* image queue */
201  }          int queue_head;
202  Encoder;          int queue_tail;
203            int queue_size;
204            QUEUEINFO *queue;
205    
206            /* bframe buffer */
207            int bframenum_head;
208            int bframenum_tail;
209            int flush_bframes;
210    
211            FRAMEINFO **bframes;
212            IMAGE f_refh;
213            IMAGE f_refv;
214            IMAGE f_refhv;
215    
216        /* closed_gop fixup temporary storage */
217            int closed_bframenum; /* == -1 if there is no fixup intended */
218        QUEUEINFO closed_qframe;    /* qFrame, only valid when >= 0 */
219    
220            int m_framenum; /* debug frame num counter; unlike iFrameNum, does not reset at ivop */
221    
222  // indicates no quantizer changes in INTRA_Q/INTER_Q modes          RateControl rate_control;
 #define NO_CHANGE 64  
223    
224  void init_encoder(uint32_t cpu_flags);          float fMvPrevSigma;
225    }
226    Encoder;
227    
228  int encoder_create(XVID_ENC_PARAM * pParam);  /*****************************************************************************
229  int encoder_destroy(Encoder * pEnc);   * Inline functions
230  int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult);   ****************************************************************************/
231    
232  static __inline uint8_t get_fcode(uint16_t sr)  static __inline uint8_t
233    get_fcode(uint16_t sr)
234  {  {
235      if (sr <= 16)      if (sr <= 16)
236                  return 1;                  return 1;
# Line 148  Line 257 
257                  return 0;                  return 0;
258  }  }
259    
260  #endif /* _ENCODER_H_ */  
261    /*****************************************************************************
262     * Prototypes
263     ****************************************************************************/
264    
265    void init_encoder(uint32_t cpu_flags);
266    
267    int enc_create(xvid_enc_create_t * create, xvid_enc_rc_t * rc);
268    int enc_destroy(Encoder * pEnc);
269    int enc_encode(Encoder * pEnc,
270                                       xvid_enc_frame_t * pFrame,
271                                       xvid_enc_stats_t * stats);
272    
273    #endif
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