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trunk/xvidcore/src/encoder.h revision 188, Fri Jun 7 10:21:48 2002 UTC branches/dev-api-4/xvidcore/src/encoder.h revision 920, Sat Mar 15 14:32:56 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: encoder.h,v 1.27.2.3 2003-03-15 14:32:56 suxen_drol Exp $
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 52  Line 80 
80          uint32_t mb_width;          uint32_t mb_width;
81          uint32_t mb_height;          uint32_t mb_height;
82    
83        int plugin_flags;
84    
85          /* frame rate increment & base */          /* frame rate increment & base */
86          uint32_t fincr;          uint32_t fincr;
87          uint32_t fbase;          uint32_t fbase;
88    
89  #ifdef BFRAMES          xvid_global_t global_flags;
90          int max_bframes;          int bquant_ratio;
91            int bquant_offset;
92            int frame_drop_ratio;
93    
94    #ifdef _SMP
95            int num_threads;
96  #endif  #endif
97    
98    
99            int iMaxKeyInterval;
100            int max_bframes;
101    
102    /* --- inbetween vop stuff --- */
103          /* rounding type; alternate 0-1 after each interframe */          /* rounding type; alternate 0-1 after each interframe */
104          /* 1 <= fixed_code <= 4          /* 1 <= fixed_code <= 4
105             automatically adjusted using motion vector statistics inside             automatically adjusted using motion vector statistics inside
106          */          */
107    
108          /* vars that not "quite" frame independant */          /* vars that not "quite" frame independant */
         uint32_t m_quant_type;  
109          uint32_t m_rounding_type;          uint32_t m_rounding_type;
110          uint32_t m_fcode;          uint32_t m_fcode;
111        xvid_vol_t vol_flags;
112    
113          HINTINFO * hint;          int64_t m_stamp;
114    }
115    MBParam;
116    
 #ifdef BFRAMES  
         uint32_t m_seconds;  
         uint32_t m_ticks;  
 #endif  
117    
118  } MBParam;  typedef struct
119    {
120            int iTextBits;
121            int iMvSum;
122            int iMvCount;
123            int kblks;
124            int mblks;
125            int ublks;
126            int gblks;
127    }
128    Statistics;
129    
130    
131    /* encoding queue */
132  typedef struct  typedef struct
133  {  {
134          uint32_t quant;          xvid_enc_frame_t frame;
135          uint32_t motion_flags;          unsigned char quant_intra_matrix[64];
136          uint32_t global_flags;          unsigned char quant_inter_matrix[64];
137            IMAGE image;
138    } QUEUEINFO;
139    
140    
141    typedef struct
142    {
143        int frame_num;
144            xvid_vol_t vol_flags;
145        xvid_vop_t vop_flags;
146            xvid_motion_t motion_flags;
147    
148          VOP_TYPE coding_type;          int coding_type;
149            uint32_t quant;
150          uint32_t rounding_type;          uint32_t rounding_type;
151          uint32_t fcode;          uint32_t fcode;
152          uint32_t bcode;          uint32_t bcode;
153    
 #ifdef BFRAMES  
154          uint32_t seconds;          uint32_t seconds;
155          uint32_t ticks;          uint32_t ticks;
156  #endif          int64_t stamp;
157    
158          IMAGE image;          IMAGE image;
159    
160          MACROBLOCK * mbs;          MACROBLOCK * mbs;
161    
162  } FRAMEINFO;          WARPPOINTS warp;                // as in bitstream
163            GMC_DATA gmc_data;              // common data for all MBs
164    
165  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;  
166    
167            Statistics sStat;
168    }
169    FRAMEINFO;
170    
171    
172  typedef struct  typedef struct
# Line 121  Line 174 
174          MBParam mbParam;          MBParam mbParam;
175    
176          int iFrameNum;          int iFrameNum;
         int iMaxKeyInterval;  
177          int bitrate;          int bitrate;
178    
179        // plugins
180        int num_plugins;    /* note: we store plugin flags in MBPARAM */
181        xvid_enc_plugin_t * plugins;
182    
183        // dquant
184    
185        int * temp_dquants;
186    
187          // images          // images
188    
189          FRAMEINFO * current;          FRAMEINFO * current;
190          FRAMEINFO * reference;          FRAMEINFO * reference;
191    
192  #ifdef _DEBUG          IMAGE sOriginal;    /* original image copy for i/p frames */
193          IMAGE sOriginal;      IMAGE sOriginal2;   /* original image copy for b-frames */
 #endif  
194          IMAGE vInterH;          IMAGE vInterH;
195          IMAGE vInterV;          IMAGE vInterV;
196          IMAGE vInterVf;          IMAGE vInterVf;
197          IMAGE vInterHV;          IMAGE vInterHV;
198          IMAGE vInterHVf;          IMAGE vInterHVf;
199    
200  #ifdef BFRAMES          IMAGE vGMC;
201          /* constants */  
202          int bquant_ratio;          /* image queue */
203          /* vars */          int queue_head;
204            int queue_tail;
205            int queue_size;
206            QUEUEINFO *queue;
207    
208            /* bframe buffer */
209          int bframenum_head;          int bframenum_head;
210          int bframenum_tail;          int bframenum_tail;
211          int flush_bframes;          int flush_bframes;
# Line 150  Line 214 
214          IMAGE f_refh;          IMAGE f_refh;
215          IMAGE f_refv;          IMAGE f_refv;
216          IMAGE f_refhv;          IMAGE f_refhv;
 #endif  
         Statistics sStat;  
         RateControl rate_control;  
 }  
 Encoder;  
217    
218        /* closed_gop fixup temporary storage */
219            int closed_bframenum; /* == -1 if there is no fixup intended */
220        QUEUEINFO closed_qframe;    /* qFrame, only valid when >= 0 */
221    
222  // 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  
223    
224  void init_encoder(uint32_t cpu_flags);          RateControl rate_control;
225    
226  int encoder_create(XVID_ENC_PARAM * pParam);          float fMvPrevSigma;
227  int encoder_destroy(Encoder * pEnc);  }
228  int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult);  Encoder;
229    
230  static __inline uint8_t get_fcode(uint16_t sr)  /*****************************************************************************
231     * Inline functions
232     ****************************************************************************/
233    
234    static __inline uint8_t
235    get_fcode(uint16_t sr)
236  {  {
237          if (sr <= 16)          if (sr <= 16)
238                  return 1;                  return 1;
# Line 193  Line 259 
259                  return 0;                  return 0;
260  }  }
261    
262  #endif /* _ENCODER_H_ */  
263    /*****************************************************************************
264     * Prototypes
265     ****************************************************************************/
266    
267    void init_encoder(uint32_t cpu_flags);
268    
269    int enc_create(xvid_enc_create_t * create, xvid_enc_rc_t * rc);
270    int enc_destroy(Encoder * pEnc);
271    int enc_encode(Encoder * pEnc,
272                                       xvid_enc_frame_t * pFrame,
273                                       xvid_enc_stats_t * stats);
274    
275    #endif
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