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revision 1.26, Thu Nov 28 07:27:37 2002 UTC revision 1.27.2.9, Mon Jun 9 01:16:35 2003 UTC
# Line 3  Line 3 
3   *  XVID MPEG-4 VIDEO CODEC   *  XVID MPEG-4 VIDEO CODEC
4   *  - Encoder header -   *  - Encoder header -
5   *   *
6   *  Copyright(C) 2002 Michael Militzer <isibaar@xvid.org>   *  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 file is part of XviD, a free MPEG-4 video encoder/decoder   *  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
  *  XviD is free software; you can redistribute it and/or modify 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   *  the Free Software Foundation; either version 2 of the License, or
18   *  (at your option) any later version.   *  (at your option) any later version.
19   *   *
# Line 21  Line 26 
26   *  along with this program; if not, write to the Free Software   *  along with this program; if not, write to the Free Software
27   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
28   *   *
29   *  Under section 8 of the GNU General Public License, the copyright   ****************************************************************************/
30   *  holders of XVID explicitly forbid distribution in the following  /*****************************************************************************
31   *  countries:   *
32   *   *  History
33   *    - Japan   *
34   *    - United States of America   *  - 13.06.2002 Added legal header
35   *   *  - 22.08.2001 Added support for EXT_MODE encoding mode
36   *  Linking XviD statically or dynamically with other modules is making a   *               support for EXTENDED API
37   *  combined work based on XviD.  Thus, the terms and conditions of the   *  - 22.08.2001 fixed bug in iDQtab
  *  GNU General Public License cover the whole combination.  
  *  
  *  As a special exception, the copyright holders of XviD give you  
  *  permission to link XviD with independent modules that communicate with  
  *  XviD solely through the VFW1.1 and DShow interfaces, regardless of the  
  *  license terms of these independent modules, and to copy and distribute  
  *  the resulting combined work under terms of your choice, provided that  
  *  every copy of the combined work is accompanied by a complete copy of  
  *  the source code of XviD (the version of XviD used to produce the  
  *  combined work), being distributed under the terms of the GNU General  
  *  Public License plus this exception.  An independent module is a module  
  *  which is not derived from or based on XviD.  
  *  
  *  Note that people who make modified versions of XviD are not obligated  
  *  to grant this special exception for their modified versions; it is  
  *  their choice whether to do so.  The GNU General Public License gives  
  *  permission to release a modified version without this exception; this  
  *  exception also makes it possible to release a modified version which  
  *  carries forward this exception.  
38   *   *
39   * $Id$   * $Id$
40   *   *
# Line 60  Line 46 
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"  
 #include "utils/ratecontrol.h"  
49    
50  /*****************************************************************************  /*****************************************************************************
51   * Constants   * Constants
52   ****************************************************************************/   ****************************************************************************/
53    
 /* Quatization type */  
 #define H263_QUANT      0  
 #define MPEG4_QUANT     1  
   
 /* Indicates no quantizer changes in INTRA_Q/INTER_Q modes */  
 #define NO_CHANGE 64  
   
54  /*****************************************************************************  /*****************************************************************************
55   * Types   * Types
56   ****************************************************************************/   ****************************************************************************/
57    
58  typedef int bool;  typedef int bool;
59    
 typedef enum  
 {  
         I_VOP = 0,  
         P_VOP = 1,  
         B_VOP = 2  
 }  
 VOP_TYPE;  
   
60  /*****************************************************************************  /*****************************************************************************
61   * Structures   * 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 102  Line 72 
72          uint32_t mb_width;          uint32_t mb_width;
73          uint32_t mb_height;          uint32_t mb_height;
74    
75        int plugin_flags;
76    
77          /* frame rate increment & base */          /* frame rate increment & base */
78          uint32_t fincr;          uint32_t fincr;
79          uint32_t fbase;          uint32_t fbase;
80    
81        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 */          /* 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          /* vars that not "quite" frame independant */          /* vars that not "quite" frame independant */
         uint32_t m_quant_type;  
106          uint32_t m_rounding_type;          uint32_t m_rounding_type;
107          uint32_t m_fcode;          uint32_t m_fcode;
108        xvid_vol_t vol_flags;
109    
110          HINTINFO *hint;          int64_t m_stamp;
111    }
112    MBParam;
113    
         uint32_t m_seconds;  
         uint32_t m_ticks;  
114    
115    typedef struct
116    {
117            int iTextBits;
118            int iMvSum;
119            int iMvCount;
120            int kblks;
121            int mblks;
122            int ublks;
123            int gblks;
124  }  }
125  MBParam;  Statistics;
126    
127    
128    /* encoding queue */
129  typedef struct  typedef struct
130  {  {
131          uint32_t quant;          xvid_enc_frame_t frame;
132          uint32_t motion_flags;          unsigned char quant_intra_matrix[64];
133          uint32_t global_flags;          unsigned char quant_inter_matrix[64];
134            IMAGE image;
135    } QUEUEINFO;
136    
137          VOP_TYPE coding_type;  
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;          uint32_t rounding_type;
149          uint32_t fcode;          uint32_t fcode;
150          uint32_t bcode;          uint32_t bcode;
151    
152          uint32_t seconds;          uint32_t seconds;
153          uint32_t ticks;          uint32_t ticks;
154            int64_t stamp;
155    
156          IMAGE image;          IMAGE image;
157    
158          MACROBLOCK *mbs;          MACROBLOCK *mbs;
159    
160  }          WARPPOINTS warp;                /* as in bitstream */
161  FRAMEINFO;          GMC_DATA gmc_data;              /* common data for all MBs */
162    
163  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;  
164    
165            Statistics sStat;
166    }
167    FRAMEINFO;
168    
169    
170  typedef struct  typedef struct
# Line 165  Line 172 
172          MBParam mbParam;          MBParam mbParam;
173    
174          int iFrameNum;          int iFrameNum;
         int iMaxKeyInterval;  
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          FRAMEINFO *current;          FRAMEINFO *current;
192          FRAMEINFO *reference;          FRAMEINFO *reference;
193    
194  #ifdef _DEBUG_PSNR          IMAGE sOriginal;    /* original image copy for i/p frames */
195          IMAGE sOriginal;      IMAGE sOriginal2;   /* original image copy for b-frames */
 #endif  
196          IMAGE vInterH;          IMAGE vInterH;
197          IMAGE vInterV;          IMAGE vInterV;
198            IMAGE vInterVf;
199          IMAGE vInterHV;          IMAGE vInterHV;
200            IMAGE vInterHVf;
201    
202          Statistics sStat;          IMAGE vGMC;
203          RateControl rate_control;  
204            /* 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            int m_framenum; /* debug frame num counter; unlike iFrameNum, does not reset at ivop */
225    
226            float fMvPrevSigma;
227  }  }
228  Encoder;  Encoder;
229    
# Line 224  Line 266 
266    
267  void init_encoder(uint32_t cpu_flags);  void init_encoder(uint32_t cpu_flags);
268    
269  int encoder_create(XVID_ENC_PARAM * pParam);  int enc_create(xvid_enc_create_t * create);
270  int encoder_destroy(Encoder * pEnc);  int enc_destroy(Encoder * pEnc);
271  int encoder_encode(Encoder * pEnc,  int enc_encode(Encoder * pEnc,
272                                     XVID_ENC_FRAME * pFrame,                                     xvid_enc_frame_t * pFrame,
273                                     XVID_ENC_STATS * pResult);                                     xvid_enc_stats_t * stats);
   
 int encoder_encode_bframes(Encoder * pEnc,  
                                    XVID_ENC_FRAME * pFrame,  
                                    XVID_ENC_STATS * pResult);  
274    
275  #endif  #endif
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