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revision 1.4, Wed Apr 10 07:40:44 2002 UTC revision 1.27.2.8, Sun May 18 12:33:26 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"
 #include "image/image.h"  
   
   
 #define H263_QUANT      0  
 #define MPEG4_QUANT     1  
   
   
 typedef uint32_t bool;  
   
   
 typedef enum  
 {  
     I_VOP = 0,  
     P_VOP = 1  
 }  
 VOP_TYPE;  
   
 /***********************************  
   
        Encoding Parameters  
49    
50  ************************************/  /*****************************************************************************
51     * Constants
52     ****************************************************************************/
53    
54    /*****************************************************************************
55     * Types
56     ****************************************************************************/
57    
58    typedef int bool;
59    
60    /*****************************************************************************
61     * Structures
62     ****************************************************************************/
63    
64  typedef struct  typedef struct
65  {  {
66        /* --- constants --- */
67      uint32_t width;      uint32_t width;
68      uint32_t height;      uint32_t height;
69    
# Line 51  Line 72 
72          uint32_t mb_width;          uint32_t mb_width;
73          uint32_t mb_height;          uint32_t mb_height;
74    
75      VOP_TYPE coding_type;      int plugin_flags;
76    
77      /* rounding type; alternate 0-1 after each interframe */          /* frame rate increment & base */
78            uint32_t fincr;
79            uint32_t fbase;
80    
81      uint32_t rounding_type;      int profile;
82    
83            xvid_global_t global_flags;
84            int bquant_ratio;
85            int bquant_offset;
86            int frame_drop_ratio;
87    
88        int min_quant[3];
89        int max_quant[3];
90    
91    #ifdef _SMP
92            int num_threads;
93    #endif
94    
95    
96            int iMaxKeyInterval;
97            int max_bframes;
98    
99    /* --- inbetween vop stuff --- */
100            /* rounding type; alternate 0-1 after each interframe */
101          /* 1 <= fixed_code <= 4          /* 1 <= fixed_code <= 4
102             automatically adjusted using motion vector statistics inside             automatically adjusted using motion vector statistics inside
103           */           */
104    
105      uint32_t fixed_code;          /* vars that not "quite" frame independant */
106      uint32_t quant;          uint32_t m_rounding_type;
107          uint32_t quant_type;          uint32_t m_fcode;
108          uint32_t motion_flags;      xvid_vol_t vol_flags;
109          uint32_t global_flags;  
110            int64_t m_stamp;
111    }
112    MBParam;
113    
         HINTINFO * hint;  
 } MBParam;  
114    
115  typedef struct  typedef struct
116  {  {
117      int iTextBits;      int iTextBits;
     float fMvPrevSigma;  
118      int iMvSum;      int iMvSum;
119      int iMvCount;      int iMvCount;
120          int kblks;          int kblks;
121          int mblks;          int mblks;
122          int ublks;          int ublks;
123            int gblks;
124  }  }
125  Statistics;  Statistics;
126    
127    
128    /* encoding queue */
129    typedef struct
130    {
131            xvid_enc_frame_t frame;
132            unsigned char quant_intra_matrix[64];
133            unsigned char quant_inter_matrix[64];
134            IMAGE image;
135    } QUEUEINFO;
136    
137    
138    typedef struct
139    {
140        int frame_num;
141        int fincr;
142            xvid_vol_t vol_flags;
143        xvid_vop_t vop_flags;
144            xvid_motion_t motion_flags;
145    
146            int coding_type;
147            uint32_t quant;
148            uint32_t rounding_type;
149            uint32_t fcode;
150            uint32_t bcode;
151    
152            uint32_t seconds;
153            uint32_t ticks;
154            int64_t stamp;
155    
156            IMAGE image;
157    
158            MACROBLOCK *mbs;
159    
160            WARPPOINTS warp;                // as in bitstream
161            GMC_DATA gmc_data;              // common data for all MBs
162    
163        int length;         /* the encoded size of this frame */
164    
165            Statistics sStat;
166    }
167    FRAMEINFO;
168    
169    
170  typedef struct  typedef struct
171  {  {
172      MBParam mbParam;      MBParam mbParam;
173    
174      int iFrameNum;      int iFrameNum;
     int iMaxKeyInterval;  
         int lum_masking;  
175          int bitrate;          int bitrate;
176    
177        // zones
178        unsigned int num_zones;
179        xvid_enc_zone_t * zones;
180    
181        // plugins
182        unsigned int num_plugins;    /* note: we store plugin flags in MBPARAM */
183        xvid_enc_plugin_t * plugins;
184    
185        // dquant
186    
187        int * temp_dquants;
188    
189          // images          // images
190    
191      IMAGE sCurrent;          FRAMEINFO *current;
192      IMAGE sReference;          FRAMEINFO *reference;
193  #ifdef _DEBUG  
194          IMAGE sOriginal;          IMAGE sOriginal;    /* original image copy for i/p frames */
195  #endif      IMAGE sOriginal2;   /* original image copy for b-frames */
196      IMAGE vInterH;      IMAGE vInterH;
197      IMAGE vInterV;      IMAGE vInterV;
198          IMAGE vInterVf;          IMAGE vInterVf;
199      IMAGE vInterHV;      IMAGE vInterHV;
200          IMAGE vInterHVf;          IMAGE vInterHVf;
201    
202          // macroblock          IMAGE vGMC;
203    
204          MACROBLOCK * pMBs;          /* image queue */
205            int queue_head;
206            int queue_tail;
207            int queue_size;
208            QUEUEINFO *queue;
209    
210            /* bframe buffer */
211            int bframenum_head;
212            int bframenum_tail;
213            int flush_bframes;
214    
215            FRAMEINFO **bframes;
216            IMAGE f_refh;
217            IMAGE f_refv;
218            IMAGE f_refhv;
219    
220        /* closed_gop fixup temporary storage */
221            int closed_bframenum; /* == -1 if there is no fixup intended */
222        QUEUEINFO closed_qframe;    /* qFrame, only valid when >= 0 */
223    
224      Statistics sStat;          int m_framenum; /* debug frame num counter; unlike iFrameNum, does not reset at ivop */
225    
226            float fMvPrevSigma;
227  }  }
228  Encoder;  Encoder;
229    
230    /*****************************************************************************
231     * Inline functions
232     ****************************************************************************/
233    
234  // indicates no quantizer changes in INTRA_Q/INTER_Q modes  static __inline uint8_t
235  #define NO_CHANGE 64  get_fcode(uint16_t sr)
   
 void init_encoder(uint32_t cpu_flags);  
   
 int encoder_create(XVID_ENC_PARAM * pParam);  
 int encoder_destroy(Encoder * pEnc);  
 int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult);  
   
 static __inline uint8_t get_fcode(uint16_t sr)  
236  {  {
237      if (sr <= 16)      if (sr <= 16)
238                  return 1;                  return 1;
# Line 151  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);
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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