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revision 1.5, Thu Apr 25 06:55:00 2002 UTC revision 1.27.2.4, Sat Mar 15 17:03:17 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          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 */
86            uint32_t fincr;
87            uint32_t fbase;
88    
89            xvid_global_t global_flags;
90            int bquant_ratio;
91            int bquant_offset;
92            int frame_drop_ratio;
93    
94    #ifdef _SMP
95            int num_threads;
96    #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    
 } MBParam;  
117    
118    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          VOP_TYPE coding_type;  typedef struct
142    {
143        int frame_num;
144        int fincr;
145            xvid_vol_t vol_flags;
146        xvid_vop_t vop_flags;
147            xvid_motion_t motion_flags;
148    
149            int coding_type;
150            uint32_t quant;
151      uint32_t rounding_type;      uint32_t rounding_type;
152      uint32_t fcode;      uint32_t fcode;
153          uint32_t bcode;          uint32_t bcode;
154    
155          uint32_t tick;          uint32_t seconds;
156            uint32_t ticks;
157            int64_t stamp;
158    
159          IMAGE image;          IMAGE image;
160    
161          MACROBLOCK * mbs;          MACROBLOCK * mbs;
162    
163  } FRAMEINFO;          WARPPOINTS warp;                // as in bitstream
164            GMC_DATA gmc_data;              // common data for all MBs
165    
166  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;  
167    
168            Statistics sStat;
169    }
170    FRAMEINFO;
171    
172    
173  typedef struct  typedef struct
# Line 105  Line 175 
175      MBParam mbParam;      MBParam mbParam;
176    
177      int iFrameNum;      int iFrameNum;
     int iMaxKeyInterval;  
178          int bitrate;          int bitrate;
179    
180        // plugins
181        int num_plugins;    /* note: we store plugin flags in MBPARAM */
182        xvid_enc_plugin_t * plugins;
183    
184        // dquant
185    
186        int * temp_dquants;
187    
188          // images          // images
189    
190          FRAMEINFO * current;          FRAMEINFO * current;
191          FRAMEINFO * reference;          FRAMEINFO * reference;
192    
193  #ifdef _DEBUG          IMAGE sOriginal;    /* original image copy for i/p frames */
194          IMAGE sOriginal;      IMAGE sOriginal2;   /* original image copy for b-frames */
 #endif  
195      IMAGE vInterH;      IMAGE vInterH;
196      IMAGE vInterV;      IMAGE vInterV;
197          IMAGE vInterVf;          IMAGE vInterVf;
198      IMAGE vInterHV;      IMAGE vInterHV;
199          IMAGE vInterHVf;          IMAGE vInterHVf;
200    
201      Statistics sStat;          IMAGE vGMC;
 }  
 Encoder;  
202    
203            /* image queue */
204            int queue_head;
205            int queue_tail;
206            int queue_size;
207            QUEUEINFO *queue;
208    
209            /* bframe buffer */
210            int bframenum_head;
211            int bframenum_tail;
212            int flush_bframes;
213    
214            FRAMEINFO **bframes;
215            IMAGE f_refh;
216            IMAGE f_refv;
217            IMAGE f_refhv;
218    
219        /* closed_gop fixup temporary storage */
220            int closed_bframenum; /* == -1 if there is no fixup intended */
221        QUEUEINFO closed_qframe;    /* qFrame, only valid when >= 0 */
222    
223  // 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  
224    
225  void init_encoder(uint32_t cpu_flags);          RateControl rate_control;
226    
227            float fMvPrevSigma;
228    }
229    Encoder;
230    
231  int encoder_create(XVID_ENC_PARAM * pParam);  /*****************************************************************************
232  int encoder_destroy(Encoder * pEnc);   * Inline functions
233  int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult);   ****************************************************************************/
234    
235  static __inline uint8_t get_fcode(uint16_t sr)  static __inline uint8_t
236    get_fcode(uint16_t sr)
237  {  {
238      if (sr <= 16)      if (sr <= 16)
239                  return 1;                  return 1;
# Line 163  Line 260 
260                  return 0;                  return 0;
261  }  }
262    
263  #endif /* _ENCODER_H_ */  
264    /*****************************************************************************
265     * Prototypes
266     ****************************************************************************/
267    
268    void init_encoder(uint32_t cpu_flags);
269    
270    int enc_create(xvid_enc_create_t * create, xvid_enc_rc_t * rc);
271    int enc_destroy(Encoder * pEnc);
272    int enc_encode(Encoder * pEnc,
273                                       xvid_enc_frame_t * pFrame,
274                                       xvid_enc_stats_t * stats);
275    
276    #endif
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