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revision 1055, Mon Jun 9 17:08:36 2003 UTC revision 2177, Sun Nov 3 11:50:49 2019 UTC
# Line 1  Line 1 
1  /*****************************************************************************  /*****************************************************************************
2   *   *
3   *  XVID MPEG-4 VIDEO CODEC   *  XVID MPEG-4 VIDEO CODEC
4   *  - XviD Main header file -   * - Xvid Main header file -
5   *   *
6   *  This file is part of XviD, a free MPEG-4 video encoder/decoder   *  Copyright(C) 2001-2011 Peter Ross <pross@xvid.org>
7   *   *
8   *  This program is free software; you can redistribute it and/or modify   *  This program is free software; you can redistribute it and/or modify
9   *  it under the terms of the GNU General Public License as published by   *  it under the terms of the GNU General Public License as published by
# Line 19  Line 19 
19   *  along with this program; if not, write to the Free Software   *  along with this program; if not, write to the Free Software
20   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21   *   *
22   * $Id: xvid.h,v 1.29 2003-06-09 17:07:32 Isibaar Exp $   * $Id$
23   *   *
24   ****************************************************************************/   ****************************************************************************/
25    
# Line 31  Line 31 
31  #endif  #endif
32    
33  /*****************************************************************************  /*****************************************************************************
34   * Global constants   * function export defines
35   ****************************************************************************/   ****************************************************************************/
36    
37  /* API Version : 2.1 */  #ifndef XVID_IMPEXP
38  #define API_VERSION ((2 << 16) | (1))  #define XVID_IMPEXP             extern
39  #define XVID_API_UNSTABLE  #endif
40    
41    #ifndef XVID_CALL
42    #define XVID_CALL
43    #endif
44    
45    /*****************************************************************************
46     * versioning
47     ****************************************************************************/
48    
49    /* versioning
50            version takes the form "$major.$minor.$patch"
51            $patch is incremented when there is no api change
52            $minor is incremented when the api is changed, but remains backwards compatible
53            $major is incremented when the api is changed significantly
54    
55            when initialising an xvid structure, you must always zero it, and set the version field.
56                    memset(&struct,0,sizeof(struct));
57                    struct.version = XVID_VERSION;
58    
59            XVID_UNSTABLE is defined only during development.
60            */
61    
62    #define XVID_MAKE_VERSION(a,b,c) ((((a)&0xff)<<16) | (((b)&0xff)<<8) | ((c)&0xff))
63    #define XVID_VERSION_MAJOR(a)    ((char)(((a)>>16) & 0xff))
64    #define XVID_VERSION_MINOR(a)    ((char)(((a)>> 8) & 0xff))
65    #define XVID_VERSION_PATCH(a)    ((char)(((a)>> 0) & 0xff))
66    
67    #define XVID_MAKE_API(a,b)       ((((a)&0xff)<<16) | (((b)&0xff)<<0))
68    #define XVID_API_MAJOR(a)        (((a)>>16) & 0xff)
69    #define XVID_API_MINOR(a)        (((a)>> 0) & 0xff)
70    
71    #define XVID_VERSION             XVID_MAKE_VERSION(1,4,-127)
72    #define XVID_API                 XVID_MAKE_API(4, 4)
73    
74    #define XVID_UNSTABLE
75    
76  /* Bitstream Version  /* Bitstream Version
77   * this will be writen into the bitstream to allow easy detection of xvid   * this will be writen into the bitstream to allow easy detection of xvid
# Line 49  Line 84 
84   * doesnt hurt but not increasing it could cause difficulty for decoders in the   * doesnt hurt but not increasing it could cause difficulty for decoders in the
85   * future   * future
86   */   */
87  #define XVID_BS_VERSION "0010"  #define XVID_BS_VERSION 74
88    
89    /*****************************************************************************
90     * error codes
91     ****************************************************************************/
92    
93            /*      all functions return values <0 indicate error */
94    
95    #define XVID_ERR_FAIL           -1              /* general fault */
96    #define XVID_ERR_MEMORY         -2              /* memory allocation error */
97    #define XVID_ERR_FORMAT         -3              /* file format error */
98    #define XVID_ERR_VERSION        -4              /* structure version not supported */
99    #define XVID_ERR_END            -5              /* encoder only; end of stream reached */
100    
101    
102    
103    /*****************************************************************************
104     * xvid_image_t
105     ****************************************************************************/
106    
107    /* colorspace values */
108    
109    #define XVID_CSP_PLANAR   (1<< 0) /* 4:2:0 planar (==I420, except for pointers/strides) */
110    #define XVID_CSP_USER     XVID_CSP_PLANAR
111    #define XVID_CSP_I420     (1<< 1) /* 4:2:0 planar */
112    #define XVID_CSP_YV12     (1<< 2) /* 4:2:0 planar */
113    #define XVID_CSP_YUY2     (1<< 3) /* 4:2:2 packed */
114    #define XVID_CSP_UYVY     (1<< 4) /* 4:2:2 packed */
115    #define XVID_CSP_YVYU     (1<< 5) /* 4:2:2 packed */
116    #define XVID_CSP_RGB      (1<<16) /* 24-bit rgb packed */
117    #define XVID_CSP_BGRA     (1<< 6) /* 32-bit bgra packed */
118    #define XVID_CSP_ABGR     (1<< 7) /* 32-bit abgr packed */
119    #define XVID_CSP_RGBA     (1<< 8) /* 32-bit rgba packed */
120    #define XVID_CSP_ARGB     (1<<15) /* 32-bit argb packed */
121    #define XVID_CSP_BGR      (1<< 9) /* 24-bit bgr packed */
122    #define XVID_CSP_RGB555   (1<<10) /* 16-bit rgb555 packed */
123    #define XVID_CSP_RGB565   (1<<11) /* 16-bit rgb565 packed */
124    #define XVID_CSP_SLICE    (1<<12) /* decoder only: 4:2:0 planar, per slice rendering */
125    #define XVID_CSP_INTERNAL (1<<13) /* decoder only: 4:2:0 planar, returns ptrs to internal buffers */
126    #define XVID_CSP_NULL     (1<<14) /* decoder only: dont output anything */
127    #define XVID_CSP_VFLIP    (1<<31) /* vertical flip mask */
128    
129    /* xvid_image_t
130            for non-planar colorspaces use only plane[0] and stride[0]
131            four plane reserved for alpha*/
132    typedef struct {
133            int csp;                                /* [in] colorspace; or with XVID_CSP_VFLIP to perform vertical flip */
134            void * plane[4];                /* [in] image plane ptrs */
135            int stride[4];                  /* [in] image stride; "bytes per row"*/
136    } xvid_image_t;
137    
138    /* video-object-sequence profiles */
139    #define XVID_PROFILE_S_L0    0x08 /* simple */
140    #define XVID_PROFILE_S_L1    0x01
141    #define XVID_PROFILE_S_L2    0x02
142    #define XVID_PROFILE_S_L3    0x03
143    #define XVID_PROFILE_S_L4a   0x04
144    #define XVID_PROFILE_S_L5    0x05
145    #define XVID_PROFILE_S_L6    0x06
146    #define XVID_PROFILE_ARTS_L1 0x91 /* advanced realtime simple */
147    #define XVID_PROFILE_ARTS_L2 0x92
148    #define XVID_PROFILE_ARTS_L3 0x93
149    #define XVID_PROFILE_ARTS_L4 0x94
150    #define XVID_PROFILE_AS_L0   0xf0 /* advanced simple */
151    #define XVID_PROFILE_AS_L1   0xf1
152    #define XVID_PROFILE_AS_L2   0xf2
153    #define XVID_PROFILE_AS_L3   0xf3
154    #define XVID_PROFILE_AS_L4   0xf4
155    
156    /* aspect ratios */
157    #define XVID_PAR_11_VGA    1 /* 1:1 vga (square), default if supplied PAR is not a valid value */
158    #define XVID_PAR_43_PAL    2 /* 4:3 pal (12:11 625-line) */
159    #define XVID_PAR_43_NTSC   3 /* 4:3 ntsc (10:11 525-line) */
160    #define XVID_PAR_169_PAL   4 /* 16:9 pal (16:11 625-line) */
161    #define XVID_PAR_169_NTSC  5 /* 16:9 ntsc (40:33 525-line) */
162    #define XVID_PAR_EXT      15 /* extended par; use par_width, par_height */
163    
164    /* frame type flags */
165    #define XVID_TYPE_VOL     -1 /* decoder only: vol was decoded */
166    #define XVID_TYPE_NOTHING  0 /* decoder only (encoder stats): nothing was decoded/encoded */
167    #define XVID_TYPE_AUTO     0 /* encoder: automatically determine coding type */
168    #define XVID_TYPE_IVOP     1 /* intra frame */
169    #define XVID_TYPE_PVOP     2 /* predicted frame */
170    #define XVID_TYPE_BVOP     3 /* bidirectionally encoded */
171    #define XVID_TYPE_SVOP     4 /* predicted+sprite frame */
172    
173    
174    /*****************************************************************************
175     * xvid_global()
176     ****************************************************************************/
177    
178    /* cpu_flags definitions (make sure to sync this with cpuid.asm for ia32) */
179    
180    #define XVID_CPU_FORCE    (1<<31) /* force passed cpu flags */
181    #define XVID_CPU_ASM      (1<< 7) /* native assembly */
182    /* ARCH_IS_IA32 */
183    #define XVID_CPU_MMX      (1<< 0) /*       mmx : pentiumMMX,k6 */
184    #define XVID_CPU_MMXEXT   (1<< 1) /*   mmx-ext : pentium2, athlon */
185    #define XVID_CPU_SSE      (1<< 2) /*       sse : pentium3, athlonXP */
186    #define XVID_CPU_SSE2     (1<< 3) /*      sse2 : pentium4, athlon64 */
187    #define XVID_CPU_SSE3     (1<< 8) /*      sse3 : pentium4, athlon64 */
188    #define XVID_CPU_SSE41    (1<< 9) /*      sse41: penryn */
189    #define XVID_CPU_3DNOW    (1<< 4) /*     3dnow : k6-2 */
190    #define XVID_CPU_3DNOWEXT (1<< 5) /* 3dnow-ext : athlon */
191    #define XVID_CPU_TSC      (1<< 6) /*       tsc : Pentium */
192    /* ARCH_IS_PPC */
193    #define XVID_CPU_ALTIVEC  (1<< 0) /* altivec */
194    
195    
196    #define XVID_DEBUG_ERROR     (1<< 0)
197    #define XVID_DEBUG_STARTCODE (1<< 1)
198    #define XVID_DEBUG_HEADER    (1<< 2)
199    #define XVID_DEBUG_TIMECODE  (1<< 3)
200    #define XVID_DEBUG_MB        (1<< 4)
201    #define XVID_DEBUG_COEFF     (1<< 5)
202    #define XVID_DEBUG_MV        (1<< 6)
203    #define XVID_DEBUG_RC        (1<< 7)
204    #define XVID_DEBUG_DEBUG     (1<<31)
205    
206    /* XVID_GBL_INIT param1 */
207    typedef struct {
208            int version;
209            unsigned int cpu_flags; /* [in:opt] zero = autodetect cpu; XVID_CPU_FORCE|{cpu features} = force cpu features */
210            int debug;     /* [in:opt] debug level */
211    } xvid_gbl_init_t;
212    
213    
214    /* XVID_GBL_INFO param1 */
215    typedef struct {
216            int version;
217            int actual_version; /* [out] returns the actual xvidcore version */
218            const char * build; /* [out] if !null, points to description of this xvid core build */
219            unsigned int cpu_flags;      /* [out] detected cpu features */
220            int num_threads;    /* [out] detected number of cpus/threads */
221    } xvid_gbl_info_t;
222    
223    
224    /* XVID_GBL_CONVERT param1 */
225    typedef struct {
226            int version;
227            xvid_image_t input;  /* [in] input image & colorspace */
228            xvid_image_t output; /* [in] output image & colorspace */
229            int width;           /* [in] width */
230            int height;          /* [in] height */
231            int interlacing;     /* [in] interlacing */
232    } xvid_gbl_convert_t;
233    
234    
235    #define XVID_GBL_INIT    0 /* initialize xvidcore; must be called before using xvid_decore, or xvid_encore) */
236    #define XVID_GBL_INFO    1 /* return some info about xvidcore, and the host computer */
237    #define XVID_GBL_CONVERT 2 /* colorspace conversion utility */
238    
239    XVID_IMPEXP int XVID_CALL xvid_global(void *handle, int opt, void *param1, void *param2);
240    
241    
242    /*****************************************************************************
243     * xvid_decore()
244     ****************************************************************************/
245    
246    #define XVID_DEC_CREATE  0 /* create decore instance; return 0 on success */
247    #define XVID_DEC_DESTROY 1 /* destroy decore instance: return 0 on success */
248    #define XVID_DEC_DECODE  2 /* decode a frame: returns number of bytes consumed >= 0 */
249    
250    XVID_IMPEXP int XVID_CALL xvid_decore(void *handle, int opt, void *param1, void *param2);
251    
252    /* XVID_DEC_CREATE param 1
253            image width & height as well as FourCC code may be specified
254            here when known in advance (e.g. being read from container) */
255    typedef struct {
256            int version;
257            int width;      /* [in:opt] image width */
258            int height;     /* [in:opt] image width */
259            void * handle;  /* [out]    decore context handle */
260    /* ------- v1.3.x ------- */
261            int fourcc;     /* [in:opt] fourcc of the input video */
262            int num_threads;/* [in:opt] number of threads to use in decoder */
263    } xvid_dec_create_t;
264    
265    
266    /* XVID_DEC_DECODE param1 */
267    /* general flags */
268    #define XVID_LOWDELAY      (1<<0) /* lowdelay mode  */
269    #define XVID_DISCONTINUITY (1<<1) /* indicates break in stream */
270    #define XVID_DEBLOCKY      (1<<2) /* perform luma deblocking */
271    #define XVID_DEBLOCKUV     (1<<3) /* perform chroma deblocking */
272    #define XVID_FILMEFFECT    (1<<4) /* adds film grain */
273    #define XVID_DERINGUV      (1<<5) /* perform chroma deringing, requires deblocking to work */
274    #define XVID_DERINGY       (1<<6) /* perform luma deringing, requires deblocking to work */
275    
276    #define XVID_DEC_FAST      (1<<29) /* disable postprocessing to decrease cpu usage *todo* */
277    #define XVID_DEC_DROP      (1<<30) /* drop bframes to decrease cpu usage *todo* */
278    #define XVID_DEC_PREROLL   (1<<31) /* decode as fast as you can, don't even show output *todo* */
279    
280    typedef struct {
281            int version;
282            int general;         /* [in:opt] general flags */
283            void *bitstream;     /* [in]     bitstream (read from)*/
284            int length;          /* [in]     bitstream length */
285            xvid_image_t output; /* [in]     output image (written to) */
286    /* ------- v1.1.x ------- */
287            int brightness;          /* [in]         brightness offset (0=none) */
288    } xvid_dec_frame_t;
289    
290    
291    /* XVID_DEC_DECODE param2 :: optional */
292    typedef struct
293    {
294            int version;
295    
296            int type;                   /* [out] output data type */
297            union {
298                    struct { /* type>0 {XVID_TYPE_IVOP,XVID_TYPE_PVOP,XVID_TYPE_BVOP,XVID_TYPE_SVOP} */
299                            int general;        /* [out] flags */
300                            int time_base;      /* [out] time base */
301                            int time_increment; /* [out] time increment */
302    
303                            /* XXX: external deblocking stuff */
304                            int * qscale;       /* [out] pointer to quantizer table */
305                            int qscale_stride;  /* [out] quantizer scale stride */
306    
307                    } vop;
308                    struct {        /* XVID_TYPE_VOL */
309                            int general;        /* [out] flags */
310                            int width;          /* [out] width */
311                            int height;         /* [out] height */
312                            int par;            /* [out] pixel aspect ratio (refer to XVID_PAR_xxx above) */
313                            int par_width;      /* [out] aspect ratio width  [1..255] */
314                            int par_height;     /* [out] aspect ratio height [1..255] */
315                    } vol;
316            } data;
317    } xvid_dec_stats_t;
318    
319    #define XVID_ZONE_QUANT  (1<<0)
320    #define XVID_ZONE_WEIGHT (1<<1)
321    
322  /* Error codes */  typedef struct
323  #define XVID_ERR_FAIL    -1  {
324  #define XVID_ERR_OK       0          int frame;
325  #define XVID_ERR_MEMORY   1          int mode;
326  #define XVID_ERR_FORMAT   2          int increment;
327            int base;
328    } xvid_enc_zone_t;
329    
330    
331  /* Colorspaces */  /*----------------------------------------------------------------------------
332  #define XVID_CSP_RGB24     0 /* [b|g|r] */   * xvid_enc_stats_t structure
333  #define XVID_CSP_YV12      1   *
334  #define XVID_CSP_YUY2      2   * Used in:
335  #define XVID_CSP_UYVY      3   *  - xvid_plg_data_t structure
336  #define XVID_CSP_I420      4   *  - optional parameter in xvid_encore() function
337  #define XVID_CSP_RGB555   10   *
338  #define XVID_CSP_RGB565   11   * .coding_type = XVID_TYPE_NOTHING if the stats are not given
339  #define XVID_CSP_USER     12   *--------------------------------------------------------------------------*/
 #define XVID_CSP_EXTERN 1004 /* per slice rendering */  
 #define XVID_CSP_YVYU   1002  
 #define XVID_CSP_RGB32  1000 /* [b|g|r|a] */  
 #define XVID_CSP_ABGR   1006 /* [a|b|g|r] */  
 #define XVID_CSP_RGBA   1005 /* [r|g|b|a] */  
340    
341    typedef struct {
342            int version;
343    
344            /* encoding parameters */
345            int type;      /* [out] coding type */
346            int quant;     /* [out] frame quantizer */
347            int vol_flags; /* [out] vol flags (see above) */
348            int vop_flags; /* [out] vop flags (see above) */
349    
350  #define XVID_CSP_NULL   9999          /* bitrate */
351            int length;    /* [out] frame length */
352    
353  #define XVID_CSP_VFLIP  0x80000000 /* flip mask */          int hlength;   /* [out] header length (bytes) */
354            int kblks;     /* [out] number of blocks compressed as Intra */
355            int mblks;     /* [out] number of blocks compressed as Inter */
356            int ublks;     /* [out] number of blocks marked as not_coded */
357    
358            int sse_y;     /* [out] Y plane's sse */
359            int sse_u;     /* [out] U plane's sse */
360            int sse_v;     /* [out] V plane's sse */
361    } xvid_enc_stats_t;
362    
363  /*****************************************************************************  /*****************************************************************************
364   *  Initialization constants    xvid plugin system -- internals
365    
366      xvidcore will call XVID_PLG_INFO and XVID_PLG_CREATE during XVID_ENC_CREATE
367      before encoding each frame xvidcore will call XVID_PLG_BEFORE
368      after encoding each frame xvidcore will call XVID_PLG_AFTER
369      xvidcore will call XVID_PLG_DESTROY during XVID_ENC_DESTROY
370   ****************************************************************************/   ****************************************************************************/
371    
 /* CPU flags for XVID_INIT_PARAM.cpu_flags */  
 #define XVID_CPU_FORCE     0x80000000  /* force passed cpu flags */  
 #define XVID_CPU_CHKONLY   0x40000000  /* check cpu only; dont init globals */  
 #define XVID_CPU_ASM       0x00000080  /* native assembly */  
372    
373  /* ARCH_IS_IA32 */  #define XVID_PLG_CREATE  (1<<0)
374  #define XVID_CPU_MMX      0x00000001   /* mmx      : pentiumMMX,k6 */  #define XVID_PLG_DESTROY (1<<1)
375  #define XVID_CPU_MMXEXT   0x00000002   /* mmx-ext  : pentium2, athlon */  #define XVID_PLG_INFO    (1<<2)
376  #define XVID_CPU_SSE      0x00000004   /* sse      : pentium3, athlonXP */  #define XVID_PLG_BEFORE  (1<<3)
377  #define XVID_CPU_SSE2     0x00000008   /* sse2     : pentium4, athlon64 */  #define XVID_PLG_FRAME   (1<<4)
378  #define XVID_CPU_3DNOW    0x00000010   /* 3dnow    : k6-2 */  #define XVID_PLG_AFTER   (1<<5)
 #define XVID_CPU_3DNOWEXT 0x00000020   /* 3dnow-ext: athlon */  
 #define XVID_CPU_TSC      0x00000040   /* timestamp counter */  
379    
380  /* ARCH_IS_IA64 */  /* xvid_plg_info_t.flags */
381  #define XVID_CPU_IA64     XVID_CPU_ASM /* defined for backward compatibility */  #define XVID_REQORIGINAL (1<<0) /* plugin requires a copy of the original (uncompressed) image */
382    #define XVID_REQPSNR     (1<<1) /* plugin requires psnr between the uncompressed and compressed image*/
383    #define XVID_REQDQUANTS  (1<<2) /* plugin requires access to the dquant table */
384    #define XVID_REQLAMBDA   (1<<3) /* plugin requires access to the lambda table */
385    
386  /* ARCH_IS_PPC */  typedef struct
387  #define XVID_CPU_ALTIVEC  0x00000001   /* altivec */  {
388            int version;
389            int flags;   /* [in:opt] plugin flags */
390    } xvid_plg_info_t;
391    
392    
393          typedef struct          typedef struct
394          {          {
395                  int colorspace;          int version;
396                  void * y;  
397                  void * u;          int num_zones;           /* [out] */
398                  void * v;          xvid_enc_zone_t * zones; /* [out] */
399                  int y_stride;  
400                  int uv_stride;          int width;               /* [out] */
401          } XVID_IMAGE;      /* from yv12 */          int height;              /* [out] */
402            int mb_width;            /* [out] */
403  #define XVID_INIT_INIT    0          int mb_height;           /* [out] */
404  #define XVID_INIT_CONVERT 1          int fincr;               /* [out] */
405  #define XVID_INIT_TEST    2          int fbase;               /* [out] */
406    
407            void * param;            /* [out] */
408    } xvid_plg_create_t;
409    
 /*****************************************************************************  
  *  Initialization structures  
  ****************************************************************************/  
410    
411          typedef struct          typedef struct
412          {          {
413                  int cpu_flags;          int version;
414                  int api_version;  
415                  int core_build;          int num_frames; /* [out] total frame encoded */
416          } XVID_INIT_PARAM;  } xvid_plg_destroy_t;
417    
418          typedef struct          typedef struct
419          {          {
420                  XVID_IMAGE input;          int version;
                 XVID_IMAGE output;  
                 int width;  
                 int height;  
                 int interlacing;  
         } XVID_INIT_CONVERTINFO;  
421    
422  /*****************************************************************************          xvid_enc_zone_t * zone; /* [out] current zone */
  *  Initialization entry point  
  ****************************************************************************/  
423    
424          int xvid_init(void *handle,          int width;              /* [out] */
425                                    int opt,          int height;             /* [out] */
426                                    void *param1,          int mb_width;           /* [out] */
427                                    void *param2);          int mb_height;          /* [out] */
428            int fincr;              /* [out] */
429            int fbase;              /* [out] */
430    
431            int min_quant[3];       /* [out] */
432            int max_quant[3];       /* [out] */
433    
434  /*****************************************************************************          xvid_image_t reference; /* [out] -> [out] */
435   * Decoder constants          xvid_image_t current;   /* [out] -> [in,out] */
436   ****************************************************************************/          xvid_image_t original;  /* [out] after: points the original (uncompressed) copy of the current frame */
437            int frame_num;          /* [out] frame number */
438    
439  /* Flags for XVID_DEC_FRAME.general */          int type;               /* [in,out] */
440  #define XVID_DEC_LOWDELAY      0x00000001 /* decode lowdelay mode (ie. VFW) */          int quant;              /* [in,out] */
441  #define XVID_DEC_DEBLOCKY      0x00000002 /* luma deblocking */  
442  #define XVID_DEC_DEBLOCKUV     0x00000008 /* chroma deblocking */          int * dquant;           /* [in,out]     pointer to diff quantizer table */
443  #define XVID_DEC_DISCONTINUITY 0x00000004 /* indicates break in stream          int dquant_stride;      /* [in,out]     diff quantizer stride */
444                                               instructs decoder to ignore any  
445                                               previous reference frames */          int vop_flags;          /* [in,out] */
446  #define XVID_QUICK_DECODE      0x00000010          int vol_flags;          /* [in,out] */
447            int motion_flags;       /* [in,out] */
448    
449            /* Lambda table for HVSPlugins */
450            float * lambda;         /* [in,out] six floats for each macroblock. read, multiply, write back */
451    
452    /* Deprecated, use the stats field instead.
453     * Will disapear before 1.0 */
454            int length;             /* [out] after: length of encoded frame */
455            int kblks;              /* [out] number of blocks compressed as Intra */
456            int mblks;              /* [out] number of blocks compressed as Inter */
457            int ublks;              /* [out] number of blocks marked not_coded */
458            int sse_y;              /* [out] Y plane's sse */
459            int sse_u;              /* [out] U plane's sse */
460            int sse_v;              /* [out] V plane's sse */
461    /* End of duplicated data, kept only for binary compatibility */
462    
463            int bquant_ratio;       /* [out] */
464            int bquant_offset;      /* [out] */
465    
466            xvid_enc_stats_t stats; /* [out] frame statistics */
467    } xvid_plg_data_t;
468    
469  /*****************************************************************************  /*****************************************************************************
470   * Decoder structures    xvid plugin system -- external
  ****************************************************************************/  
471    
472          typedef struct    the application passes xvid an array of "xvid_plugin_t" at XVID_ENC_CREATE. the array
473          {    indicates the plugin function pointer and plugin-specific data.
474                  int width;    xvidcore handles the rest. example:
                 int height;  
                 void *handle;  
         } XVID_DEC_PARAM;  
475    
476      xvid_enc_create_t create;
477      xvid_enc_plugin_t plugins[2];
478    
479  #define XVID_DEC_VOP     0    plugins[0].func = xvid_psnr_func;
480  #define XVID_DEC_VOL     1    plugins[0].param = NULL;
481  #define XVID_DEC_NOTHING 2 /* nothing was decoded */    plugins[1].func = xvid_cbr_func;
482      plugins[1].param = &cbr_data;
483    
484          typedef struct    create.num_plugins = 2;
485          {    create.plugins = plugins;
                 int notify;                 /* [out] output 'mode' */  
                 union  
                 {  
                         struct /* XVID_DEC_VOP */  
                         {  
                                 int time_base;      /* [out] time base */  
                                 int time_increment; /* [out] time increment */  
                         } vop;  
                         struct /* XVID_DEC_VOL */  
                         {  
                                 int general;        /* [out] flags: eg. frames are interlaced */  
                                 int width;          /* [out] width */  
                                 int height;         /* [out] height */  
                                 int aspect_ratio;   /* [out] aspect ratio */  
                                 int par_width;      /* [out] aspect ratio width */  
                                 int par_height;     /* [out] aspect ratio height */  
                         } vol;  
                 } data;  
         } XVID_DEC_STATS;  
486    
487     ****************************************************************************/
488    
489    typedef int (XVID_CALL xvid_plugin_func)(void * handle, int opt, void * param1, void * param2);
490    
491          typedef struct          typedef struct
492          {          {
493                  int general;          xvid_plugin_func * func;
494                  void *bitstream;          void * param;
495                  int length;  } xvid_enc_plugin_t;
496    
497    XVID_IMPEXP xvid_plugin_func xvid_plugin_single;   /* single-pass rate control */
498    XVID_IMPEXP xvid_plugin_func xvid_plugin_2pass1;   /* two-pass rate control: first pass */
499    XVID_IMPEXP xvid_plugin_func xvid_plugin_2pass2;   /* two-pass rate control: second pass */
500    
501    XVID_IMPEXP xvid_plugin_func xvid_plugin_lumimasking;  /* lumimasking */
502    
503                  void *image;  XVID_IMPEXP xvid_plugin_func xvid_plugin_psnr;      /* write psnr values to stdout */
504                  int stride;  XVID_IMPEXP xvid_plugin_func xvid_plugin_dump;      /* dump before and after yuvpgms */
                 int colorspace;  
         } XVID_DEC_FRAME;  
505    
506    XVID_IMPEXP xvid_plugin_func xvid_plugin_ssim;      /*write ssim values to stdout*/
507    XVID_IMPEXP xvid_plugin_func xvid_plugin_psnrhvsm;  /*write psnrhvsm values to stdout*/
508    
509          /* This struct is used for per slice rendering */  
510    /* single pass rate control
511     * CBR and Constant quantizer modes */
512          typedef struct          typedef struct
513          {          {
514                  void *y,*u,*v;          int version;
                 int stride_y, stride_u,stride_v;  
         } XVID_DEC_PICTURE;  
515    
516            int bitrate;               /* [in] bits per second */
517            int reaction_delay_factor; /* [in] */
518            int averaging_period;      /* [in] */
519            int buffer;                /* [in] */
520    } xvid_plugin_single_t;
521    
 /*****************************************************************************  
  * Decoder entry point  
  ****************************************************************************/  
522    
523  /* decoder options */  typedef struct {
524  #define XVID_DEC_DECODE  0          int version;
 #define XVID_DEC_CREATE  1  
 #define XVID_DEC_DESTROY 2  
   
         int xvid_decore(void *handle,  
                                         int opt,  
                                         void *param1,  
                                         void *param2);  
525    
526            char * filename;
527    } xvid_plugin_2pass1_t;
528    
 /*****************************************************************************  
  * Encoder constants  
  ****************************************************************************/  
529    
530  /* Flags for XVID_ENC_PARAM.global */  #define XVID_PAYBACK_BIAS 0 /* payback with bias */
531  #define XVID_GLOBAL_PACKED      0x00000001 /* packed bitstream */  #define XVID_PAYBACK_PROP 1 /* payback proportionally */
532  #define XVID_GLOBAL_DX50BVOP    0x00000002 /* dx50 bvop compatibility */  
533  #define XVID_GLOBAL_DEBUG       0x00000004 /* print debug info on each frame */  typedef struct {
534  #define XVID_GLOBAL_REDUCED     0x04000000 /* reduced resolution vop enable */          int version;
535    
536  #define XVID_GLOBAL_EXTRASTATS  0x00000200 /* generate extra statistics */          int bitrate;                  /* [in] target bitrate (bits per second) */
537            char * filename;              /* [in] first pass stats filename */
538    
539            int keyframe_boost;           /* [in] keyframe boost percentage: [0..100] */
540            int curve_compression_high;   /* [in] percentage of compression performed on the high part of the curve (above average) */
541            int curve_compression_low;    /* [in] percentage of compression performed on the low  part of the curve (below average) */
542            int overflow_control_strength;/* [in] Payback delay expressed in number of frames */
543            int max_overflow_improvement; /* [in] percentage of allowed range for a frame that gets bigger because of overflow bonus */
544            int max_overflow_degradation; /* [in] percentage of allowed range for a frame that gets smaller because of overflow penalty */
545    
546  /* Flags for XVID_ENC_FRAME.general */          int kfreduction;              /* [in] maximum bitrate reduction applied to an iframe under the kfthreshold distance limit */
547  #define XVID_VALID_FLAGS        0x80000000          int kfthreshold;              /* [in] if an iframe is closer to the next iframe than this distance, a quantity of bits
548                                                                       *      is substracted from its bit allocation. The reduction is computed as multiples of
549                                                                       *      kfreduction/kthreshold. It reaches kfreduction when the distance == kfthreshold,
550                                                                       *      0 for 1<distance<kfthreshold */
551    
552  #define XVID_CUSTOM_QMATRIX     0x00000004 /* use custom quant matrix */          int container_frame_overhead; /* [in] How many bytes the controller has to compensate per frame due to container format overhead */
 #define XVID_H263QUANT          0x00000010  
 #define XVID_MPEGQUANT          0x00000020  
 #define XVID_HALFPEL            0x00000040 /* use halfpel interpolation */  
 #define XVID_QUARTERPEL         0x02000000  
 #define XVID_ADAPTIVEQUANT      0x00000080  
 #define XVID_LUMIMASKING        0x00000100  
553    
554  #define XVID_INTERLACING        0x00000400 /* enable interlaced encoding */  /* ------- v1.1.x ------- */
555  #define XVID_TOPFIELDFIRST      0x00000800 /* set top-field-first flag  */          int vbv_size;                 /* [in] buffer size (bits) If this is zero, VBV check is disabled.*/
556  #define XVID_ALTERNATESCAN      0x00001000 /* set alternate vertical scan flag */          int vbv_initial;              /* [in] initial buffer occupancy (bits) */
557            int vbv_maxrate;              /* [in] max processing bitrate (bits per second) */
558            int vbv_peakrate;             /* [in:opt] max average bitrate over 1 second (bits per second).
559                                                                       *          This is used for diagnostics only and won't affect the actual peak bitrate.
560                                                                       *          This is not a problem as long as vbv_peakrate > vbv_size + vbv_maxrate which
561                                                                       *          guarantees that vbv_peakrate won't be exceeded. */
562    }xvid_plugin_2pass2_t;
563    
 #define XVID_HINTEDME_GET       0x00002000 /* receive mv hint data from core (1st pass) */  
 #define XVID_HINTEDME_SET       0x00004000 /* send mv hint data to core (2nd pass) */  
564    
565  #define XVID_INTER4V            0x00008000  typedef struct{
566            /*stat output*/
567            int b_printstat;
568            char* stat_path;
569    
570  #define XVID_ME_ZERO            0x00010000          /*visualize*/
571  #define XVID_ME_LOGARITHMIC     0x00020000          int b_visualize;
 #define XVID_ME_FULLSEARCH      0x00040000  
 #define XVID_ME_PMVFAST         0x00080000  
 #define XVID_ME_EPZS            0x00100000  
572    
573  #define XVID_CHROMAOPT          0x00200000 /* enable chroma optimization pre-filter */          /*accuracy 0 very accurate 4 very fast*/
574            int acc;
575    
576  #define XVID_GREYSCALE          0x01000000 /* enable greyscale only mode (even for      int cpu_flags; /* XVID_CPU_XXX flags */
                                               color input material chroma is ignored) */  
577    
578  #define XVID_GMC                0x10000000  } xvid_plugin_ssim_t;
 #define XVID_GMC_TRANSLATIONAL  0x20000000  
579    
580  #define XVID_REDUCED            0x04000000 /* reduced resolution vop */  typedef struct {
581  #define XVID_HQACPRED           0x08000000 /* 20030209: high quality ac prediction */          int version;
582    
583  #define XVID_EXTRASTATS         0x00000200 /* generate extra statistics */          int method;      /* [in] masking method to apply. 0 for luminance masking, 1 for variance masking */
584    } xvid_plugin_lumimasking_t;
585    
586    /*****************************************************************************
587     *                             ENCODER API
588     ****************************************************************************/
589    
590  #define XVID_MODEDECISION_BITS  0x00400000 /* enable DCT-ME and use it for mode decision */  /*----------------------------------------------------------------------------
591     * Encoder operations
592     *--------------------------------------------------------------------------*/
593    
594    #define XVID_ENC_CREATE  0 /* create encoder instance; returns 0 on success */
595    #define XVID_ENC_DESTROY 1 /* destroy encoder instance; returns 0 on success */
596    #define XVID_ENC_ENCODE  2 /* encode a frame: returns number of ouput bytes
597                                * 0 means this frame should not be written (ie. encoder lag) */
598    
 /* Flags for XVID_ENC_FRAME.motion */  
 #define PMV_ADVANCEDDIAMOND16   0x00008000 /* use advdiamonds instead of diamonds as search pattern */  
 #define PMV_USESQUARES16        0x00800000 /* use squares instead of diamonds as search pattern */  
599    
600  #define PMV_HALFPELREFINE16     0x00020000  /*----------------------------------------------------------------------------
601  #define PMV_HALFPELREFINE8      0x02000000   * Encoder entry point
602     *--------------------------------------------------------------------------*/
603    
604  #define PMV_QUARTERPELREFINE16  0x00040000  XVID_IMPEXP int XVID_CALL xvid_encore(void *handle, int opt, void *param1, void *param2);
 #define PMV_QUARTERPELREFINE8   0x04000000  
605    
606  #define PMV_EXTSEARCH16         0x00080000 /* extend PMV by more searches */  /* Quick API reference
607     *
608     * XVID_ENC_CREATE operation
609     *  - handle: ignored
610     *  - opt: XVID_ENC_CREATE
611     *  - param1: address of a xvid_enc_create_t structure
612     *  - param2: ignored
613     *
614     * XVID_ENC_ENCODE operation
615     *  - handle: an instance returned by a CREATE op
616     *  - opt: XVID_ENC_ENCODE
617     *  - param1: address of a xvid_enc_frame_t structure
618     *  - param2: address of a xvid_enc_stats_t structure (optional)
619     *            its return value is asynchronous to what is written to the buffer
620     *            depending on the delay introduced by bvop use. It's display
621     *            ordered.
622     *
623     * XVID_ENC_DESTROY operation
624     *  - handle: an instance returned by a CREATE op
625     *  - opt: XVID_ENC_DESTROY
626     *  - param1: ignored
627     *  - param2: ignored
628     */
629    
 #define PMV_EXTSEARCH8          0x08000000 /* use diamond/square for extended 8x8 search */  
 #define PMV_ADVANCEDDIAMOND8    0x00004000 /* use advdiamond for PMV_EXTSEARCH8 */  
 #define PMV_USESQUARES8         0x80000000 /* use square for PMV_EXTSEARCH8 */  
630    
631  #define PMV_CHROMA16            0x00100000 /* also use chroma for P_VOP/S_VOP ME */  /*----------------------------------------------------------------------------
632  #define PMV_CHROMA8             0x10000000 /* also use chroma for B_VOP ME */   * "Global" flags
633     *
634     * These flags are used for xvid_enc_create_t->global field during instance
635     * creation (operation XVID_ENC_CREATE)
636     *--------------------------------------------------------------------------*/
637    
638    #define XVID_GLOBAL_PACKED            (1<<0) /* packed bitstream */
639    #define XVID_GLOBAL_CLOSED_GOP        (1<<1) /* closed_gop:     was DX50BVOP dx50 bvop compatibility */
640    #define XVID_GLOBAL_EXTRASTATS_ENABLE (1<<2)
641    #if 0
642    #define XVID_GLOBAL_VOL_AT_IVOP       (1<<3) /* write vol at every ivop: WIN32/divx compatibility */
643    #define XVID_GLOBAL_FORCE_VOL         (1<<4) /* when vol-based parameters are changed, insert an ivop NOT recommended */
644    #endif
645    #define XVID_GLOBAL_DIVX5_USERDATA    (1<<5) /* write divx5 userdata string
646                                                    this is implied if XVID_GLOBAL_PACKED is set */
647    
648  /* Motion search using DCT. use XVID_MODEDECISION_BITS to enable */  /*----------------------------------------------------------------------------
649  #define HALFPELREFINE16_BITS    0x00000100 /* perform DCT-based halfpel refinement */   * "VOL" flags
650  #define HALFPELREFINE8_BITS     0x00000200 /* perform DCT-based halfpel refinement for 8x8 mode */   *
651  #define QUARTERPELREFINE16_BITS 0x00000400 /* perform DCT-based qpel refinement */   * These flags are used for xvid_enc_frame_t->vol_flags field during frame
652  #define QUARTERPELREFINE8_BITS  0x00000800 /* perform DCT-based qpel refinement for 8x8 mode */   * encoding (operation XVID_ENC_ENCODE)
653     *--------------------------------------------------------------------------*/
654    
655    #define XVID_VOL_MPEGQUANT      (1<<0) /* enable MPEG type quantization */
656    #define XVID_VOL_EXTRASTATS     (1<<1) /* enable plane sse stats */
657    #define XVID_VOL_QUARTERPEL     (1<<2) /* enable quarterpel: frames will encoded as quarterpel */
658    #define XVID_VOL_GMC            (1<<3) /* enable GMC; frames will be checked for gmc suitability */
659    #define XVID_VOL_REDUCED_ENABLE (1<<4) /* enable reduced resolution vops: frames will be checked for rrv suitability */
660                                                                               /* NOTE:  the reduced resolution feature is not supported anymore. This flag will have no effect! */
661    #define XVID_VOL_INTERLACING    (1<<5) /* enable interlaced encoding */
662    
 #define EXTSEARCH_BITS          0x00001000 /* perform DCT-based search using square pattern  
                                               enable PMV_EXTSEARCH8 to do this in 8x8 search as well */  
 #define CHECKPREDICTION_BITS    0x00002000 /* always check vector equal to prediction */  
663    
664    /*----------------------------------------------------------------------------
665     * "VOP" flags
666     *
667     * These flags are used for xvid_enc_frame_t->vop_flags field during frame
668     * encoding (operation XVID_ENC_ENCODE)
669     *--------------------------------------------------------------------------*/
670    
671    /* Always valid */
672    #define XVID_VOP_DEBUG                (1<< 0) /* print debug messages in frames */
673    #define XVID_VOP_HALFPEL              (1<< 1) /* use halfpel interpolation */
674    #define XVID_VOP_INTER4V              (1<< 2) /* use 4 motion vectors per MB */
675    #define XVID_VOP_TRELLISQUANT         (1<< 3) /* use trellis based R-D "optimal" quantization */
676    #define XVID_VOP_CHROMAOPT            (1<< 4) /* enable chroma optimization pre-filter */
677    #define XVID_VOP_CARTOON              (1<< 5) /* use 'cartoon mode' */
678    #define XVID_VOP_GREYSCALE            (1<< 6) /* enable greyscale only mode (even for  color input material chroma is ignored) */
679    #define XVID_VOP_HQACPRED             (1<< 7) /* high quality ac prediction */
680    #define XVID_VOP_MODEDECISION_RD      (1<< 8) /* enable DCT-ME and use it for mode decision */
681    #define XVID_VOP_FAST_MODEDECISION_RD (1<<12) /* use simplified R-D mode decision */
682    #define XVID_VOP_RD_BVOP              (1<<13) /* enable rate-distortion mode decision in b-frames */
683    #define XVID_VOP_RD_PSNRHVSM          (1<<14) /* use PSNR-HVS-M as metric for rate-distortion optimizations */
684    
685    /* Only valid for vol_flags|=XVID_VOL_INTERLACING */
686    #define XVID_VOP_TOPFIELDFIRST        (1<< 9) /* set top-field-first flag  */
687    #define XVID_VOP_ALTERNATESCAN        (1<<10) /* set alternate vertical scan flag */
688    
689    /* only valid for vol_flags|=XVID_VOL_REDUCED_ENABLED */
690    #define XVID_VOP_REDUCED              (1<<11) /* reduced resolution vop */
691                                                                                              /* NOTE: reduced resolution feature is not supported anymore. This flag will have no effect! */
692    
693  /* note: old and deprecated - or never implemented */  /*----------------------------------------------------------------------------
694     * "Motion" flags
695     *
696     * These flags are used for xvid_enc_frame_t->motion field during frame
697     * encoding (operation XVID_ENC_ENCODE)
698     *--------------------------------------------------------------------------*/
699    
700    /* Motion Estimation Search Patterns */
701    #define XVID_ME_ADVANCEDDIAMOND16     (1<< 0) /* use advdiamonds instead of diamonds as search pattern */
702    #define XVID_ME_ADVANCEDDIAMOND8      (1<< 1) /* use advdiamond for XVID_ME_EXTSEARCH8 */
703    #define XVID_ME_USESQUARES16          (1<< 2) /* use squares instead of diamonds as search pattern */
704    #define XVID_ME_USESQUARES8           (1<< 3) /* use square for XVID_ME_EXTSEARCH8 */
705    
706    /* SAD operator based flags */
707    #define XVID_ME_HALFPELREFINE16       (1<< 4)
708    #define XVID_ME_HALFPELREFINE8        (1<< 6)
709    #define XVID_ME_QUARTERPELREFINE16    (1<< 7)
710    #define XVID_ME_QUARTERPELREFINE8     (1<< 8)
711    #define XVID_ME_GME_REFINE            (1<< 9)
712    #define XVID_ME_EXTSEARCH16           (1<<10) /* extend PMV by more searches */
713    #define XVID_ME_EXTSEARCH8            (1<<11) /* use diamond/square for extended 8x8 search */
714    #define XVID_ME_CHROMA_PVOP           (1<<12) /* also use chroma for P_VOP/S_VOP ME */
715    #define XVID_ME_CHROMA_BVOP           (1<<13) /* also use chroma for B_VOP ME */
716    #define XVID_ME_FASTREFINE16          (1<<25) /* use low-complexity refinement functions */
717    #define XVID_ME_FASTREFINE8           (1<<29) /* low-complexity 8x8 sub-block refinement */
718    
719    /* Rate Distortion based flags
720     * Valid when XVID_VOP_MODEDECISION_RD is enabled */
721    #define XVID_ME_HALFPELREFINE16_RD    (1<<14) /* perform RD-based halfpel refinement */
722    #define XVID_ME_HALFPELREFINE8_RD     (1<<15) /* perform RD-based halfpel refinement for 8x8 mode */
723    #define XVID_ME_QUARTERPELREFINE16_RD (1<<16) /* perform RD-based qpel refinement */
724    #define XVID_ME_QUARTERPELREFINE8_RD  (1<<17) /* perform RD-based qpel refinement for 8x8 mode */
725    #define XVID_ME_EXTSEARCH_RD          (1<<18) /* perform RD-based search using square pattern enable XVID_ME_EXTSEARCH8 to do this in 8x8 search as well */
726    #define XVID_ME_CHECKPREDICTION_RD    (1<<19) /* always check vector equal to prediction */
727    
728    /* Other */
729    #define XVID_ME_DETECT_STATIC_MOTION  (1<<24) /* speed-up ME by detecting stationary scenes */
730    #define XVID_ME_SKIP_DELTASEARCH      (1<<26) /* speed-up by skipping b-frame delta search */
731    #define XVID_ME_FAST_MODEINTERPOLATE  (1<<27) /* speed-up by partly skipping interpolate mode */
732    #define XVID_ME_BFRAME_EARLYSTOP      (1<<28) /* speed-up by early exiting b-search */
733    
734    /* Unused */
735    #define XVID_ME_UNRESTRICTED16        (1<<20) /* unrestricted ME, not implemented */
736    #define XVID_ME_OVERLAPPING16         (1<<21) /* overlapping ME, not implemented */
737    #define XVID_ME_UNRESTRICTED8         (1<<22) /* unrestricted ME, not implemented */
738    #define XVID_ME_OVERLAPPING8          (1<<23) /* overlapping ME, not implemented */
739    
 /* only for compatability with old encoders */  
740    
741  #define PMV_EARLYSTOP16         0x00  /*----------------------------------------------------------------------------
742  #define PMV_EARLYSTOP8          0x00   * xvid_enc_create_t structure definition
743  #define PMV_QUICKSTOP16         0x00   *
744  #define PMV_QUICKSTOP8          0x00   * This structure is passed as param1 during an instance creation (operation
745     * XVID_ENC_CREATE)
746     *--------------------------------------------------------------------------*/
747    
748  #define PMV_HALFPELDIAMOND16    0x00  typedef struct {
749  #define PMV_HALFPELDIAMOND8     0x00          int version;
750    
751  #define PMV_UNRESTRICTED16      0x00200000 /* unrestricted ME, not implemented */          int profile;                 /* [in] profile@level; refer to XVID_PROFILE_xxx */
752  #define PMV_OVERLAPPING16       0x00400000 /* overlapping ME, not implemented */          int width;                   /* [in] frame dimensions; width, pixel units */
753  #define PMV_UNRESTRICTED8       0x20000000 /* unrestricted ME, not implemented */          int height;                  /* [in] frame dimensions; height, pixel units */
 #define PMV_OVERLAPPING8        0x40000000 /* overlapping ME, not implemented */  
754    
755  #define XVID_ME_COLOUR          0x00       /* this has been converted to PMV_CHROMA[16/8] */          int num_zones;               /* [in:opt] number of bitrate zones */
756            xvid_enc_zone_t * zones;     /*          ^^ zone array */
757    
758            int num_plugins;             /* [in:opt] number of plugins */
759            xvid_enc_plugin_t * plugins; /*          ^^ plugin array */
760    
761  /*****************************************************************************          int num_threads;             /* [in:opt] number of threads to use in encoder */
762   * Encoder structures          int max_bframes;             /* [in:opt] max sequential bframes (0=disable bframes) */
  ****************************************************************************/  
763    
764          typedef struct          int global;                  /* [in:opt] global flags; controls encoding behavior */
         {  
                 int width, height;  
                 int fincr, fbase;             /* [in] frame increment, fbase. each frame = "fincr/fbase" seconds */  
                 int rc_bitrate;               /* [in] the bitrate of the target encoded stream, in bits/second */  
                 int rc_reaction_delay_factor; /* [in] how fast the rate control reacts - lower values are faster */  
                 int rc_averaging_period;      /* [in] as above */  
                 int rc_buffer;                /* [in] as above */  
                 int max_quantizer;            /* [in] the upper limit of the quantizer */  
                 int min_quantizer;            /* [in] the lower limit of the quantizer */  
                 int max_key_interval;         /* [in] the maximum interval between key frames */  
 #ifdef _SMP  
                 int num_threads;              /* [in] number of threads */  
 #endif  
                 int global;                   /* [in] global/debug options */  
                 int max_bframes;              /* [in] max sequential bframes (0=disable bframes) */  
                 int bquant_ratio;             /* [in] bframe quantizer multipier (percentage).  
                                               used only when bquant < 1  
                                               eg. 200 = x2 multiplier  
                                                   quant = ((past_quant + future_quant) * bquant_ratio)/200  
                                        */  
                 int bquant_offset;            /* [in] bquant += bquant_offset */  
                 int frame_drop_ratio;         /* [in] frame dropping: 0=drop none... 100=drop all */  
                 void *handle;                 /* [out] encoder instance handle */  
         } XVID_ENC_PARAM;  
765    
766          typedef struct          /* --- vol-based stuff; included here for convenience */
767          {          int fincr;                   /* [in:opt] framerate increment; set to zero for variable framerate */
768                  int x;          int fbase;                   /* [in] framerate base frame_duration = fincr/fbase seconds*/
769                  int y;      /* ---------------------------------------------- */
         } VECTOR;  
770    
771          typedef struct          /* --- vop-based; included here for convenience */
772          {          int max_key_interval;        /* [in:opt] the maximum interval between key frames */
                 int mode;      /* macroblock mode */  
                 VECTOR mvs[4];  
         } MVBLOCKHINT;  
773    
774          typedef struct          int frame_drop_ratio;        /* [in:opt] frame dropping: 0=drop none... 100=drop all */
         {  
                 int intra;          /* frame intra choice */  
                 int fcode;          /* frame fcode */  
                 MVBLOCKHINT *block; /* caller-allocated array of block hints (mb_width * mb_height) */  
         } MVFRAMEHINT;  
775    
776          typedef struct          int bquant_ratio;            /* [in:opt] bframe quantizer multipier/offeset; used to decide bframes quant when bquant==-1 */
777          {          int bquant_offset;           /* bquant = (avg(past_ref_quant,future_ref_quant)*bquant_ratio + bquant_offset) / 100 */
                 int rawhints;       /* if set, use MVFRAMEHINT, else use compressed buffer */  
778    
779                  MVFRAMEHINT mvhint;          int min_quant[3];            /* [in:opt] */
780                  void *hintstream;   /* compressed hint buffer */          int max_quant[3];            /* [in:opt] */
781                  int hintlength;     /* length of buffer (bytes) */          /* ---------------------------------------------- */
         } HINTINFO;  
782    
783          typedef struct          void *handle;                /* [out] encoder instance handle */
         {  
                 int general;                       /* [in] general options */  
                 int motion;                        /* [in] ME options */  
                 void *bitstream;                   /* [in] bitstream ptr */  
                 int length;                        /* [out] bitstream length (bytes) */  
784    
785                  void *image;                       /* [in] image ptr */          /* ------- v1.3.x ------- */
786                  int stride;                        /* [in] horizontal stride in bytes */          int start_frame_num;         /* [in:opt] frame number of start frame relative to zones definitions. allows to encode sub-sequences */
787                  int colorspace;                    /* [in] source colorspace */          int num_slices;              /* [in:opt] number of slices to code for each frame */
788    } xvid_enc_create_t;
                 unsigned char *quant_intra_matrix; /* [in] custom intra qmatrix */  
                 unsigned char *quant_inter_matrix; /* [in] custom inter qmatrix */  
                 int quant;                         /* [in] frame quantizer (vbr) */  
                 int intra;                         /* [in] force intra frame (vbr only)  
                                               [out] frame type (ugly atm)  
                                             */  
                 HINTINFO hint;                     /* [in/out] mv hint information */  
789    
                 int bquant;                        /* [in] bframe quantizer */  
                 int bframe_threshold;                      /* [in] sensitivity of B-frame decision */  
790    
791          } XVID_ENC_FRAME;  /*----------------------------------------------------------------------------
792     * xvid_enc_frame_t structure definition
793     *
794     * This structure is passed as param1 during a frame encoding (operation
795     * XVID_ENC_ENCODE)
796     *--------------------------------------------------------------------------*/
797    
798    /* out value for the frame structure->type field
799     * unlike stats output in param2, this field is not asynchronous and tells
800     * the client app, if the frame written into the stream buffer is an ivop
801     * usually used for indexing purpose in the container */
802    #define XVID_KEYFRAME (1<<1)
803    
804    /* The structure */
805    typedef struct {
806            int version;
807    
808            /* VOL related stuff
809             * unless XVID_FORCEVOL is set, the encoder will not react to any changes
810             * here until the next VOL (keyframe). */
811    
812            int vol_flags;                     /* [in] vol flags */
813            unsigned char *quant_intra_matrix; /* [in:opt] custom intra qmatrix */
814            unsigned char *quant_inter_matrix; /* [in:opt] custom inter qmatrix */
815    
816            int par;                           /* [in:opt] pixel aspect ratio (refer to XVID_PAR_xxx above) */
817            int par_width;                     /* [in:opt] aspect ratio width */
818            int par_height;                    /* [in:opt] aspect ratio height */
819    
820            /* Other fields that can change on a frame base */
821    
822          typedef struct          int fincr;                         /* [in:opt] framerate increment, for variable framerate only */
823          {          int vop_flags;                     /* [in] (general)vop-based flags */
824                  int quant;   /* [out] frame quantizer */          int motion;                        /* [in] ME options */
                 int hlength; /* [out] header length (bytes) */  
                 int kblks;   /* [out] number of intra blocks */  
                 int mblks;   /* [out] number of inter blocks */  
                 int ublks;       /* [out] number of "not coded" blocks */  
                 long sse_y;  /* [out] SSE of Y */  
                 long sse_u;  /* [out] SSE of Cb */  
                 long sse_v;  /* [out] SSE of Cr */  
         } XVID_ENC_STATS;  
825    
826            xvid_image_t input;                /* [in] input image (read from) */
827    
828  /*****************************************************************************          int type;                          /* [in:opt] coding type */
829   * Encoder entry point          int quant;                         /* [in] frame quantizer; if <=0, automatic (ratecontrol) */
830   ****************************************************************************/          int bframe_threshold;
831    
832  /* Encoder options */          void *bitstream;                   /* [in:opt] bitstream ptr (written to)*/
833  #define XVID_ENC_ENCODE  0          int length;                        /* [in:opt] bitstream length (bytes) */
 #define XVID_ENC_CREATE  1  
 #define XVID_ENC_DESTROY 2  
   
         int xvid_encore(void *handle,  
                                         int opt,  
                                         void *param1,  
                                         void *param2);  
834    
835            int out_flags;                     /* [out] bitstream output flags */
836    } xvid_enc_frame_t;
837    
838  #ifdef __cplusplus  #ifdef __cplusplus
839  }  }

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