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revision 1.5, Thu Apr 25 06:55:00 2002 UTC revision 1.30, Thu Jan 19 22:25:18 2006 UTC
# Line 1  Line 1 
1  /**************************************************************************  /*****************************************************************************
2   *   *
3   *  Modifications:   *  XVID MPEG-4 VIDEO CODEC
4     *  - Encoder related header  -
5   *   *
6   *  22.08.2001 added support for EXT_MODE encoding mode   *  Copyright(C) 2002-2003 Michael Militzer <isibaar@xvid.org>
7   *             support for EXTENDED API   *               2002-2003 Peter Ross <pross@xvid.org>
  *  22.08.2001 fixed bug in iDQtab  
8   *   *
9   *  Michael Militzer <isibaar@videocoding.de>   *  This program is free software ; you can redistribute it and/or modify
10     *  it under the terms of the GNU General Public License as published by
11     *  the Free Software Foundation ; either version 2 of the License, or
12     *  (at your option) any later version.
13   *   *
14   **************************************************************************/   *  This program is distributed in the hope that it will be useful,
15     *  but WITHOUT ANY WARRANTY ; without even the implied warranty of
16     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17     *  GNU General Public License for more details.
18     *
19     *  You should have received a copy of the GNU General Public License
20     *  along with this program ; if not, write to the Free Software
21     *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
22     *
23     * $Id$
24     *
25     ****************************************************************************/
26    
27  #ifndef _ENCODER_H_  #ifndef _ENCODER_H_
28  #define _ENCODER_H_  #define _ENCODER_H_
29    
   
30  #include "xvid.h"  #include "xvid.h"
   
31  #include "portab.h"  #include "portab.h"
32  #include "global.h"  #include "global.h"
 #include "image/image.h"  
33    
34    /*****************************************************************************
35  #define H263_QUANT      0   * Constants
36  #define MPEG4_QUANT     1   ****************************************************************************/
37    
38    /* lambda base exponential. 1<<LAMBDA_EXP is the neutral lambda */
39  typedef uint32_t bool;  #define LAMBDA_EXP              6
40    
41    /*****************************************************************************
42  typedef enum   * Types
43  {   ****************************************************************************/
44      I_VOP = 0,  
45      P_VOP = 1,  typedef int bool;
46          B_VOP = 2  
47  }  /*****************************************************************************
48  VOP_TYPE;   * Structures
49     ****************************************************************************/
 /***********************************  
   
        Encoding Parameters  
   
 ************************************/  
50    
51  typedef struct  typedef struct
52  {  {
53        /* --- constants --- */
54      uint32_t width;      uint32_t width;
55      uint32_t height;      uint32_t height;
56    
# Line 52  Line 59 
59          uint32_t mb_width;          uint32_t mb_width;
60          uint32_t mb_height;          uint32_t mb_height;
61    
62        int plugin_flags;
63    
64            /* frame rate increment & base */
65            int32_t fincr;
66            uint32_t fbase;
67    
68        int profile;
69    
70            int global_flags;
71            int bquant_ratio;
72            int bquant_offset;
73            int frame_drop_ratio;
74    
75        int min_quant[3];
76        int max_quant[3];
77    
78            int par;
79            int par_width;
80            int par_height;
81    
82    #ifdef _SMP
83            int num_threads;
84    #endif
85    
86    
87            int iMaxKeyInterval;
88            int max_bframes;
89    
90    /* --- inbetween vop stuff --- */
91      /* rounding type; alternate 0-1 after each interframe */      /* rounding type; alternate 0-1 after each interframe */
92          /* 1 <= fixed_code <= 4          /* 1 <= fixed_code <= 4
93             automatically adjusted using motion vector statistics inside             automatically adjusted using motion vector statistics inside
94           */           */
95    
96          /* vars that not "quite" frame independant */          /* vars that not "quite" frame independant */
         uint32_t m_quant_type;  
97          uint32_t m_rounding_type;          uint32_t m_rounding_type;
98          uint32_t m_fcode;          uint32_t m_fcode;
99        int vol_flags;
100    
101          HINTINFO * hint;          int64_t m_stamp;
102    
103            uint16_t *mpeg_quant_matrices;
104  } MBParam;  } MBParam;
105    
106    
107  typedef struct  typedef struct
108  {  {
109      uint32_t quant;          int iTextBits;
110          uint32_t motion_flags;          int iMvSum;
111          uint32_t global_flags;          int iMvCount;
112            int kblks;
113            int mblks;
114            int ublks;
115            int gblks;
116            int iMVBits;
117    } Statistics;
118    
119    
120    /* encoding queue */
121    typedef struct
122    {
123            xvid_enc_frame_t frame;
124            unsigned char quant_intra_matrix[64];
125            unsigned char quant_inter_matrix[64];
126            IMAGE image;
127    } QUEUEINFO;
128    
129    
130    typedef struct
131    {
132        int frame_num;
133        int fincr;
134            int vol_flags;
135        int vop_flags;
136            int motion_flags;
137    
138          VOP_TYPE coding_type;          int coding_type;
139            uint32_t quant;
140      uint32_t rounding_type;      uint32_t rounding_type;
141      uint32_t fcode;      uint32_t fcode;
142          uint32_t bcode;          uint32_t bcode;
143    
144          uint32_t tick;          uint32_t seconds;
145            uint32_t ticks;
146            int64_t stamp;
147    
148          IMAGE image;          IMAGE image;
149    
150          MACROBLOCK * mbs;          MACROBLOCK * mbs;
151    
152  } FRAMEINFO;          WARPPOINTS warp;                /* as in bitstream */
153            GMC_DATA gmc_data;              /* common data for all MBs */
154            NEW_GMC_DATA new_gmc_data;              /* common data for all MBs */
155    
156  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;  
157    
158            Statistics sStat;
159            int is_edged, is_interpolated;
160    } FRAMEINFO;
161    
162    
163  typedef struct  typedef struct
# Line 105  Line 165 
165      MBParam mbParam;      MBParam mbParam;
166    
167      int iFrameNum;      int iFrameNum;
     int iMaxKeyInterval;  
168          int bitrate;          int bitrate;
169    
170          // images      /* zones */
171        unsigned int num_zones;
172        xvid_enc_zone_t * zones;
173    
174        /* plugins */
175        int num_plugins;    /* note: we store plugin flags in MBPARAM */
176        xvid_enc_plugin_t * plugins;
177    
178        /* dquant */
179    
180        int * temp_dquants;
181    
182        /* lambda */
183    
184        float * temp_lambda;
185    
186            /* images */
187    
188          FRAMEINFO * current;          FRAMEINFO * current;
189          FRAMEINFO * reference;          FRAMEINFO * reference;
190    
191  #ifdef _DEBUG          IMAGE sOriginal;    /* original image copy for i/p frames */
192          IMAGE sOriginal;      IMAGE sOriginal2;   /* original image copy for b-frames */
 #endif  
193      IMAGE vInterH;      IMAGE vInterH;
194      IMAGE vInterV;      IMAGE vInterV;
195          IMAGE vInterVf;          IMAGE vInterVf;
196      IMAGE vInterHV;      IMAGE vInterHV;
197          IMAGE vInterHVf;          IMAGE vInterHVf;
198    
199      Statistics sStat;          IMAGE vGMC;
 }  
 Encoder;  
200    
201            /* image queue */
202            int queue_head;
203            int queue_tail;
204            int queue_size;
205            QUEUEINFO *queue;
206    
207            /* bframe buffer */
208            int bframenum_head;
209            int bframenum_tail;
210            int flush_bframes;
211    
212            FRAMEINFO **bframes;
213            IMAGE f_refh;
214            IMAGE f_refv;
215            IMAGE f_refhv;
216    
217        /* closed_gop fixup temporary storage */
218            int closed_bframenum; /* == -1 if there is no fixup intended */
219        QUEUEINFO closed_qframe;    /* qFrame, only valid when >= 0 */
220    
221  // 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  
222    
223  void init_encoder(uint32_t cpu_flags);          float fMvPrevSigma;
224    } Encoder;
225    
226  int encoder_create(XVID_ENC_PARAM * pParam);  /*****************************************************************************
227  int encoder_destroy(Encoder * pEnc);   * Inline functions
228  int encoder_encode(Encoder * pEnc, XVID_ENC_FRAME * pFrame, XVID_ENC_STATS * pResult);   ****************************************************************************/
229    
230  static __inline uint8_t get_fcode(uint16_t sr)  static __inline uint8_t
231    get_fcode(uint16_t sr)
232  {  {
233      if (sr <= 16)      if (sr <= 16)
234                  return 1;                  return 1;
# Line 163  Line 255 
255                  return 0;                  return 0;
256  }  }
257    
258  #endif /* _ENCODER_H_ */  
259    /*****************************************************************************
260     * Prototypes
261     ****************************************************************************/
262    
263    void init_encoder(uint32_t cpu_flags);
264    
265    int enc_create(xvid_enc_create_t * create);
266    int enc_destroy(Encoder * pEnc);
267    int enc_encode(Encoder * pEnc,
268                                       xvid_enc_frame_t * pFrame,
269                                       xvid_enc_stats_t * stats);
270    
271    #endif
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