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revision 199, Thu Jun 13 12:42:18 2002 UTC revision 2054, Fri Nov 4 15:24:39 2011 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     *  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 17  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  *****************************************************************************/   * $Id$
 /*****************************************************************************  
 *  
 *  History  
 *  
 *  - 2002/06/13 Added legal header, ANSI C comment style (only for this header  
 *               as it can be included in a ANSI C project).  
 *  
 *               ToDo ? : when BFRAMES is defined, the API_VERSION should not  
 *                        be the same (3.0 ?)  
23  *  *
24  *  $Id: xvid.h,v 1.10 2002-06-13 12:42:18 edgomez Exp $   ****************************************************************************/
 *  
 *****************************************************************************/  
   
25    
26  #ifndef _XVID_H_  #ifndef _XVID_H_
27  #define _XVID_H_  #define _XVID_H_
28    
29  #ifdef __cplusplus  #ifdef __cplusplus
30  *  $Id: xvid.h,v 1.10 2002-06-13 12:42:18 edgomez Exp $  extern "C" {
31  #endif  #endif
32    
33  /*****************************************************************************  /*****************************************************************************
34   * Global constants   * function export defines
35   ****************************************************************************/   ****************************************************************************/
36    
37  /* API Version : 2.1 */  /* Attention! Work in progress. TODO: Review */
 #define API_VERSION ((2 << 16) | (1))  
38    
39    #ifndef XVID_IMPEXP
40    #define XVID_IMPEXP             extern
41    #endif
42    
43  /* Error codes */  #ifndef XVID_CALL
44  #define XVID_ERR_FAIL           -1  #define XVID_CALL
45  #define XVID_ERR_OK                     0  #endif
46  #define XVID_ERR_MEMORY         1  
47  #define XVID_ERR_FORMAT         2  /*****************************************************************************
48     * versioning
49     ****************************************************************************/
 /* Colorspaces */  
 #define XVID_CSP_RGB24  0  
 #define XVID_CSP_YV12   1  
 #define XVID_CSP_YUY2   2  
 #define XVID_CSP_UYVY   3  
 #define XVID_CSP_I420   4  
 #define XVID_CSP_RGB555 10  
 #define XVID_CSP_RGB565 11  
 #define XVID_CSP_USER   12  
 #define XVID_CSP_EXTERN      1004  // per slice rendering  
 #define XVID_CSP_YVYU   1002  
 #define XVID_CSP_RGB32  1000  
 #define XVID_CSP_NULL   9999  
50    
51  #define XVID_CSP_VFLIP  0x80000000      // flip mask  /* versioning
52            version takes the form "$major.$minor.$patch"
53            $patch is incremented when there is no api change
54            $minor is incremented when the api is changed, but remains backwards compatible
55            $major is incremented when the api is changed significantly
56    
57            when initialising an xvid structure, you must always zero it, and set the version field.
58                    memset(&struct,0,sizeof(struct));
59                    struct.version = XVID_VERSION;
60    
61            XVID_UNSTABLE is defined only during development.
62            */
63    
64    #define XVID_MAKE_VERSION(a,b,c) ((((a)&0xff)<<16) | (((b)&0xff)<<8) | ((c)&0xff))
65    #define XVID_VERSION_MAJOR(a)    ((char)(((a)>>16) & 0xff))
66    #define XVID_VERSION_MINOR(a)    ((char)(((a)>> 8) & 0xff))
67    #define XVID_VERSION_PATCH(a)    ((char)(((a)>> 0) & 0xff))
68    
69    #define XVID_MAKE_API(a,b)       ((((a)&0xff)<<16) | (((b)&0xff)<<0))
70    #define XVID_API_MAJOR(a)        (((a)>>16) & 0xff)
71    #define XVID_API_MINOR(a)        (((a)>> 0) & 0xff)
72    
73    #define XVID_VERSION             XVID_MAKE_VERSION(1,4,-127)
74    #define XVID_API                 XVID_MAKE_API(4, 4)
75    
76    #define XVID_UNSTABLE
77    
78    /* Bitstream Version
79     * this will be writen into the bitstream to allow easy detection of xvid
80     * encoder bugs in the decoder, without this it might not possible to
81     * automatically distinquish between a file which has been encoded with an
82     * old & buggy XVID from a file which has been encoded with a bugfree version
83     * see the infamous interlacing bug ...
84     *
85     * this MUST be increased if an encoder bug is fixed, increasing it too often
86     * doesnt hurt but not increasing it could cause difficulty for decoders in the
87     * future
88     */
89    #define XVID_BS_VERSION 73
90    
91  /*****************************************************************************  /*****************************************************************************
92     * error codes
93   ****************************************************************************/   ****************************************************************************/
94    
95  /* CPU flags for XVID_INIT_PARAM.cpu_flags */          /*      all functions return values <0 indicate error */
96    
97    #define XVID_ERR_FAIL           -1              /* general fault */
98    #define XVID_ERR_MEMORY         -2              /* memory allocation error */
99    #define XVID_ERR_FORMAT         -3              /* file format error */
100    #define XVID_ERR_VERSION        -4              /* structure version not supported */
101    #define XVID_ERR_END            -5              /* encoder only; end of stream reached */
102    
103    
 #define XVID_CPU_MMX            0x00000001  
 #define XVID_CPU_MMXEXT         0x00000002  
 #define XVID_CPU_SSE            0x00000004  
 #define XVID_CPU_SSE2           0x00000008  
 #define XVID_CPU_3DNOW          0x00000010  
 #define XVID_CPU_3DNOWEXT       0x00000020  
   
 #define XVID_CPU_TSC            0x00000040  
 #define XVID_CPU_IA64           0x00000080  
   
 #define XVID_CPU_CHKONLY        0x40000000              /* check cpu only; dont init globals */  
 #define XVID_CPU_FORCE          0x80000000  
   
   
  *  Initialization structures  
                 int cpu_flags;  
                 int api_version;  
                 int core_build;  
         }  
         XVID_INIT_PARAM;  
104    
105  /*****************************************************************************  /*****************************************************************************
106   *  Initialization entry point   * xvid_image_t
107   ****************************************************************************/   ****************************************************************************/
108    
109          int xvid_init(void *handle,  /* colorspace values */
110                                    int opt,  
111                                    void *param1,  #define XVID_CSP_PLANAR   (1<< 0) /* 4:2:0 planar (==I420, except for pointers/strides) */
112                                    void *param2);  #define XVID_CSP_USER     XVID_CSP_PLANAR
113    #define XVID_CSP_I420     (1<< 1) /* 4:2:0 planar */
114    #define XVID_CSP_YV12     (1<< 2) /* 4:2:0 planar */
115    #define XVID_CSP_YUY2     (1<< 3) /* 4:2:2 packed */
116    #define XVID_CSP_UYVY     (1<< 4) /* 4:2:2 packed */
117    #define XVID_CSP_YVYU     (1<< 5) /* 4:2:2 packed */
118    #define XVID_CSP_RGB      (1<<16) /* 24-bit rgb packed */
119    #define XVID_CSP_BGRA     (1<< 6) /* 32-bit bgra packed */
120    #define XVID_CSP_ABGR     (1<< 7) /* 32-bit abgr packed */
121    #define XVID_CSP_RGBA     (1<< 8) /* 32-bit rgba packed */
122    #define XVID_CSP_ARGB     (1<<15) /* 32-bit argb packed */
123    #define XVID_CSP_BGR      (1<< 9) /* 24-bit bgr packed */
124    #define XVID_CSP_RGB555   (1<<10) /* 16-bit rgb555 packed */
125    #define XVID_CSP_RGB565   (1<<11) /* 16-bit rgb565 packed */
126    #define XVID_CSP_SLICE    (1<<12) /* decoder only: 4:2:0 planar, per slice rendering */
127    #define XVID_CSP_INTERNAL (1<<13) /* decoder only: 4:2:0 planar, returns ptrs to internal buffers */
128    #define XVID_CSP_NULL     (1<<14) /* decoder only: dont output anything */
129    #define XVID_CSP_VFLIP    (1<<31) /* vertical flip mask */
130    
131    /* xvid_image_t
132            for non-planar colorspaces use only plane[0] and stride[0]
133            four plane reserved for alpha*/
134    typedef struct {
135            int csp;                                /* [in] colorspace; or with XVID_CSP_VFLIP to perform vertical flip */
136            void * plane[4];                /* [in] image plane ptrs */
137            int stride[4];                  /* [in] image stride; "bytes per row"*/
138    } xvid_image_t;
139    
140    /* video-object-sequence profiles */
141    #define XVID_PROFILE_S_L0    0x08 /* simple */
142    #define XVID_PROFILE_S_L1    0x01
143    #define XVID_PROFILE_S_L2    0x02
144    #define XVID_PROFILE_S_L3    0x03
145    #define XVID_PROFILE_S_L4a   0x04
146    #define XVID_PROFILE_S_L5    0x05
147    #define XVID_PROFILE_S_L6    0x06
148    #define XVID_PROFILE_ARTS_L1 0x91 /* advanced realtime simple */
149    #define XVID_PROFILE_ARTS_L2 0x92
150    #define XVID_PROFILE_ARTS_L3 0x93
151    #define XVID_PROFILE_ARTS_L4 0x94
152    #define XVID_PROFILE_AS_L0   0xf0 /* advanced simple */
153    #define XVID_PROFILE_AS_L1   0xf1
154    #define XVID_PROFILE_AS_L2   0xf2
155    #define XVID_PROFILE_AS_L3   0xf3
156    #define XVID_PROFILE_AS_L4   0xf4
157    
158    /* aspect ratios */
159    #define XVID_PAR_11_VGA    1 /* 1:1 vga (square), default if supplied PAR is not a valid value */
160    #define XVID_PAR_43_PAL    2 /* 4:3 pal (12:11 625-line) */
161    #define XVID_PAR_43_NTSC   3 /* 4:3 ntsc (10:11 525-line) */
162    #define XVID_PAR_169_PAL   4 /* 16:9 pal (16:11 625-line) */
163    #define XVID_PAR_169_NTSC  5 /* 16:9 ntsc (40:33 525-line) */
164    #define XVID_PAR_EXT      15 /* extended par; use par_width, par_height */
165    
166    /* frame type flags */
167    #define XVID_TYPE_VOL     -1 /* decoder only: vol was decoded */
168    #define XVID_TYPE_NOTHING  0 /* decoder only (encoder stats): nothing was decoded/encoded */
169    #define XVID_TYPE_AUTO     0 /* encoder: automatically determine coding type */
170    #define XVID_TYPE_IVOP     1 /* intra frame */
171    #define XVID_TYPE_PVOP     2 /* predicted frame */
172    #define XVID_TYPE_BVOP     3 /* bidirectionally encoded */
173    #define XVID_TYPE_SVOP     4 /* predicted+sprite frame */
174    
175    
176  /*****************************************************************************  /*****************************************************************************
177   * Decoder constants   * xvid_global()
178   ****************************************************************************/   ****************************************************************************/
179    
180  /* Flags for XVID_DEC_FRAME.general */  /* cpu_flags definitions (make sure to sync this with cpuid.asm for ia32) */
181  #define XVID_QUICK_DECODE               0x00000010  
182    #define XVID_CPU_FORCE    (1<<31) /* force passed cpu flags */
183    #define XVID_CPU_ASM      (1<< 7) /* native assembly */
184    /* ARCH_IS_IA32 */
185    #define XVID_CPU_MMX      (1<< 0) /*       mmx : pentiumMMX,k6 */
186    #define XVID_CPU_MMXEXT   (1<< 1) /*   mmx-ext : pentium2, athlon */
187    #define XVID_CPU_SSE      (1<< 2) /*       sse : pentium3, athlonXP */
188    #define XVID_CPU_SSE2     (1<< 3) /*      sse2 : pentium4, athlon64 */
189    #define XVID_CPU_SSE3     (1<< 8) /*      sse3 : pentium4, athlon64 */
190    #define XVID_CPU_SSE41    (1<< 9) /*      sse41: penryn */
191    #define XVID_CPU_3DNOW    (1<< 4) /*     3dnow : k6-2 */
192    #define XVID_CPU_3DNOWEXT (1<< 5) /* 3dnow-ext : athlon */
193    #define XVID_CPU_TSC      (1<< 6) /*       tsc : Pentium */
194    /* ARCH_IS_PPC */
195    #define XVID_CPU_ALTIVEC  (1<< 0) /* altivec */
196    
197    
198    #define XVID_DEBUG_ERROR     (1<< 0)
199    #define XVID_DEBUG_STARTCODE (1<< 1)
200    #define XVID_DEBUG_HEADER    (1<< 2)
201    #define XVID_DEBUG_TIMECODE  (1<< 3)
202    #define XVID_DEBUG_MB        (1<< 4)
203    #define XVID_DEBUG_COEFF     (1<< 5)
204    #define XVID_DEBUG_MV        (1<< 6)
205    #define XVID_DEBUG_RC        (1<< 7)
206    #define XVID_DEBUG_DEBUG     (1<<31)
207    
208    /* XVID_GBL_INIT param1 */
209    typedef struct {
210            int version;
211            unsigned int cpu_flags; /* [in:opt] zero = autodetect cpu; XVID_CPU_FORCE|{cpu features} = force cpu features */
212            int debug;     /* [in:opt] debug level */
213    } xvid_gbl_init_t;
214    
215    
216    /* XVID_GBL_INFO param1 */
217    typedef struct {
218            int version;
219            int actual_version; /* [out] returns the actual xvidcore version */
220            const char * build; /* [out] if !null, points to description of this xvid core build */
221            unsigned int cpu_flags;      /* [out] detected cpu features */
222            int num_threads;    /* [out] detected number of cpus/threads */
223    } xvid_gbl_info_t;
224    
225    
226    /* XVID_GBL_CONVERT param1 */
227    typedef struct {
228            int version;
229            xvid_image_t input;  /* [in] input image & colorspace */
230            xvid_image_t output; /* [in] output image & colorspace */
231            int width;           /* [in] width */
232            int height;          /* [in] height */
233            int interlacing;     /* [in] interlacing */
234    } xvid_gbl_convert_t;
235    
236    
237    #define XVID_GBL_INIT    0 /* initialize xvidcore; must be called before using xvid_decore, or xvid_encore) */
238    #define XVID_GBL_INFO    1 /* return some info about xvidcore, and the host computer */
239    #define XVID_GBL_CONVERT 2 /* colorspace conversion utility */
240    
241    XVID_IMPEXP int XVID_CALL xvid_global(void *handle, int opt, void *param1, void *param2);
242    
243    
244  /*****************************************************************************  /*****************************************************************************
245   * Decoder structures   * xvid_decore()
246   ****************************************************************************/   ****************************************************************************/
247    
248          typedef struct  #define XVID_DEC_CREATE  0 /* create decore instance; return 0 on success */
249          {  #define XVID_DEC_DESTROY 1 /* destroy decore instance: return 0 on success */
250                  int width;  #define XVID_DEC_DECODE  2 /* decode a frame: returns number of bytes consumed >= 0 */
251                  int height;  
252                  void *handle;  XVID_IMPEXP int XVID_CALL xvid_decore(void *handle, int opt, void *param1, void *param2);
253          }  
254          XVID_DEC_PARAM;  /* XVID_DEC_CREATE param 1
255            image width & height as well as FourCC code may be specified
256            here when known in advance (e.g. being read from container) */
257    typedef struct {
258            int version;
259            int width;      /* [in:opt] image width */
260            int height;     /* [in:opt] image width */
261            void * handle;  /* [out]    decore context handle */
262    /* ------- v1.3.x ------- */
263            int fourcc;     /* [in:opt] fourcc of the input video */
264            int num_threads;/* [in:opt] number of threads to use in decoder */
265    } xvid_dec_create_t;
266    
267    
268    /* XVID_DEC_DECODE param1 */
269    /* general flags */
270    #define XVID_LOWDELAY      (1<<0) /* lowdelay mode  */
271    #define XVID_DISCONTINUITY (1<<1) /* indicates break in stream */
272    #define XVID_DEBLOCKY      (1<<2) /* perform luma deblocking */
273    #define XVID_DEBLOCKUV     (1<<3) /* perform chroma deblocking */
274    #define XVID_FILMEFFECT    (1<<4) /* adds film grain */
275    #define XVID_DERINGUV      (1<<5) /* perform chroma deringing, requires deblocking to work */
276    #define XVID_DERINGY       (1<<6) /* perform luma deringing, requires deblocking to work */
277    
278    #define XVID_DEC_FAST      (1<<29) /* disable postprocessing to decrease cpu usage *todo* */
279    #define XVID_DEC_DROP      (1<<30) /* drop bframes to decrease cpu usage *todo* */
280    #define XVID_DEC_PREROLL   (1<<31) /* decode as fast as you can, don't even show output *todo* */
281    
282    typedef struct {
283            int version;
284            int general;         /* [in:opt] general flags */
285            void *bitstream;     /* [in]     bitstream (read from)*/
286            int length;          /* [in]     bitstream length */
287            xvid_image_t output; /* [in]     output image (written to) */
288    /* ------- v1.1.x ------- */
289            int brightness;          /* [in]         brightness offset (0=none) */
290    } xvid_dec_frame_t;
291    
292    
293    /* XVID_DEC_DECODE param2 :: optional */
294          typedef struct          typedef struct
295          {          {
296                  int general;          int version;
                 void *bitstream;  
                 int length;  
   
                 void *image;  
                 int stride;  
                 int colorspace;  
         }  
         XVID_DEC_FRAME;  
297    
298            int type;                   /* [out] output data type */
299            union {
300                    struct { /* type>0 {XVID_TYPE_IVOP,XVID_TYPE_PVOP,XVID_TYPE_BVOP,XVID_TYPE_SVOP} */
301                            int general;        /* [out] flags */
302                            int time_base;      /* [out] time base */
303                            int time_increment; /* [out] time increment */
304    
305                            /* XXX: external deblocking stuff */
306                            int * qscale;       /* [out] pointer to quantizer table */
307                            int qscale_stride;  /* [out] quantizer scale stride */
308    
309                    } vop;
310                    struct {        /* XVID_TYPE_VOL */
311                            int general;        /* [out] flags */
312                            int width;          /* [out] width */
313                            int height;         /* [out] height */
314                            int par;            /* [out] pixel aspect ratio (refer to XVID_PAR_xxx above) */
315                            int par_width;      /* [out] aspect ratio width  [1..255] */
316                            int par_height;     /* [out] aspect ratio height [1..255] */
317                    } vol;
318            } data;
319    } xvid_dec_stats_t;
320    
321    #define XVID_ZONE_QUANT  (1<<0)
322    #define XVID_ZONE_WEIGHT (1<<1)
323    
         // This struct is used for per slice rendering  
324          typedef struct          typedef struct
325          {          {
326                  void *y,*u,*v;          int frame;
327                  int stride_y, stride_u,stride_v;          int mode;
328          } XVID_DEC_PICTURE;          int increment;
329            int base;
330  #define XVID_DEC_DESTROY        2  } xvid_enc_zone_t;
   
         int xvid_decore(void *handle,  
                                         int opt,  
                                         void *param1,  
                                         void *param2);  
331    
332    
333  /*****************************************************************************  /*----------------------------------------------------------------------------
334   * Encoder constants   * xvid_enc_stats_t structure
335   ****************************************************************************/   *
336     * Used in:
337     *  - xvid_plg_data_t structure
338     *  - optional parameter in xvid_encore() function
339     *
340     * .coding_type = XVID_TYPE_NOTHING if the stats are not given
341     *--------------------------------------------------------------------------*/
342    
343    typedef struct {
344            int version;
345    
346  /* Flags for XVID_ENC_PARAM.global */          /* encoding parameters */
347  #define XVID_GLOBAL_PACKED              0x00000001      /* packed bitstream */          int type;      /* [out] coding type */
348  #define XVID_GLOBAL_DX50BVOP    0x00000002      /* dx50 bvop compatibility */          int quant;     /* [out] frame quantizer */
349  #define XVID_GLOBAL_DEBUG               0x00000004      /* print debug info on each frame */          int vol_flags; /* [out] vol flags (see above) */
350            int vop_flags; /* [out] vop flags (see above) */
351  /* Flags for XVID_ENC_FRAME.general */  
352  #define XVID_VALID_FLAGS                0x80000000          /* bitrate */
353            int length;    /* [out] frame length */
 #define XVID_CUSTOM_QMATRIX             0x00000004      /* use custom quant matrix */  
 #define XVID_LATEINTRA                  0x00000200  
   
 #define XVID_INTERLACING                0x00000400      /* enable interlaced encoding */  
 #define XVID_TOPFIELDFIRST              0x00000800      /* set top-field-first flag  */  
 #define XVID_ALTERNATESCAN              0x00001000      /* set alternate vertical scan flag */  
   
 #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) */  
   
 #define XVID_INTER4V                    0x00008000  
   
 #define XVID_ME_ZERO                    0x00010000  
 #define XVID_ME_LOGARITHMIC             0x00020000  
 #define XVID_ME_FULLSEARCH              0x00040000  
 #define XVID_ME_PMVFAST                 0x00080000  
 #define XVID_ME_EPZS                    0x00100000  
   
   
 #define XVID_GREYSCALE                  0x01000000      /* enable greyscale only mode (even for */  
 #define XVID_GRAYSCALE                  0x01000000      /* color input material chroma is ignored) */  
   
   
 /* Flags for XVID_ENC_FRAME.motion */  
 #define PMV_ADVANCEDDIAMOND8    0x00004000  
 #define PMV_ADVANCEDDIAMOND16   0x00008000  
 #define PMV_EARLYSTOP16                 0x00080000  
 #define PMV_QUICKSTOP16                 0x00100000      /* like early, but without any more refinement */  
 #define PMV_UNRESTRICTED16      0x00200000      /* unrestricted ME, not implemented */  
 #define PMV_OVERLAPPING16       0x00400000      /* overlapping ME, not implemented */  
 #define PMV_USESQUARES16                0x00800000  
   
 #define PMV_HALFPELDIAMOND8     0x01000000  
 #define PMV_HALFPELREFINE8              0x02000000  
 #define PMV_EXTSEARCH8                  0x04000000      /* extend PMV by more searches */  
 #define PMV_EARLYSTOP8                  0x08000000  
 #define PMV_QUICKSTOP8                  0x10000000      /* like early, but without any more refinement */  
 #define PMV_UNRESTRICTED8       0x20000000      /* unrestricted ME, not implemented */  
 #define PMV_OVERLAPPING8                0x40000000      /* overlapping ME, not implemented */  
 #define PMV_USESQUARES8                 0x80000000  
354    
355            int hlength;   /* [out] header length (bytes) */
356            int kblks;     /* [out] number of blocks compressed as Intra */
357            int mblks;     /* [out] number of blocks compressed as Inter */
358            int ublks;     /* [out] number of blocks marked as not_coded */
359    
360            int sse_y;     /* [out] Y plane's sse */
361            int sse_u;     /* [out] U plane's sse */
362            int sse_v;     /* [out] V plane's sse */
363    } xvid_enc_stats_t;
364    
365  /*****************************************************************************  /*****************************************************************************
366   * Encoder structures    xvid plugin system -- internals
367    
368      xvidcore will call XVID_PLG_INFO and XVID_PLG_CREATE during XVID_ENC_CREATE
369      before encoding each frame xvidcore will call XVID_PLG_BEFORE
370      after encoding each frame xvidcore will call XVID_PLG_AFTER
371      xvidcore will call XVID_PLG_DESTROY during XVID_ENC_DESTROY
372   ****************************************************************************/   ****************************************************************************/
373    
374          typedef struct  
375          {  #define XVID_PLG_CREATE  (1<<0)
376                  int width, height;  #define XVID_PLG_DESTROY (1<<1)
377                  int fincr, fbase;               /* frame increment, fbase. each frame = "fincr/fbase" seconds */  #define XVID_PLG_INFO    (1<<2)
378                  int rc_bitrate;                 /* the bitrate of the target encoded stream, in bits/second */  #define XVID_PLG_BEFORE  (1<<3)
379                  int rc_reaction_delay_factor;   /* how fast the rate control reacts - lower values are faster */  #define XVID_PLG_FRAME   (1<<4)
380                  int rc_averaging_period;        /* as above */  #define XVID_PLG_AFTER   (1<<5)
381                  int rc_buffer;                  /* as above */  
382                  int max_quantizer;              /* the upper limit of the quantizer */  /* xvid_plg_info_t.flags */
383                  int min_quantizer;              /* the lower limit of the quantizer */  #define XVID_REQORIGINAL (1<<0) /* plugin requires a copy of the original (uncompressed) image */
384                  int max_key_interval;   /* the maximum interval between key frames */  #define XVID_REQPSNR     (1<<1) /* plugin requires psnr between the uncompressed and compressed image*/
385  #ifdef _SMP  #define XVID_REQDQUANTS  (1<<2) /* plugin requires access to the dquant table */
386                  int num_threads;                /* number of threads */  #define XVID_REQLAMBDA   (1<<3) /* plugin requires access to the lambda table */
 #endif  
 #ifdef BFRAMES  
                 int global;                             /* global/debug options */  
                 int max_bframes;                /* max sequential bframes (0=disable bframes) */  
                 int bquant_ratio;               /* bframe quantizer multipier (percentage).  
                                                                  * used only when bquant < 1  
                                                                  * eg. 200 = x2 multiplier  
 #endif  
         }  
         XVID_ENC_PARAM;  
387    
388          typedef struct          typedef struct
389          {          {
390                  int x;          int version;
391          }          int flags;   /* [in:opt] plugin flags */
392          VECTOR;  } xvid_plg_info_t;
393    
394    
395          typedef struct          typedef struct
396          {          {
397                  int mode;                               /* macroblock mode */          int version;
398                  VECTOR mvs[4];  
399          }          int num_zones;           /* [out] */
400          MVBLOCKHINT;          xvid_enc_zone_t * zones; /* [out] */
401    
402            int width;               /* [out] */
403            int height;              /* [out] */
404            int mb_width;            /* [out] */
405            int mb_height;           /* [out] */
406            int fincr;               /* [out] */
407            int fbase;               /* [out] */
408    
409            void * param;            /* [out] */
410    } xvid_plg_create_t;
411    
412    
413          typedef struct          typedef struct
414          {          {
415                  int intra;                              /* frame intra choice */          int version;
416                  int fcode;                              /* frame fcode */  
417                  MVBLOCKHINT *block;             /* caller-allocated array of block hints (mb_width * mb_height) */          int num_frames; /* [out] total frame encoded */
418          }  } xvid_plg_destroy_t;
         MVFRAMEHINT;  
419    
420          typedef struct          typedef struct
421          {          {
422                  int rawhints;                   /* if set, use MVFRAMEHINT, else use compressed buffer */          int version;
423    
424                  MVFRAMEHINT mvhint;          xvid_enc_zone_t * zone; /* [out] current zone */
425                  void *hintstream;               /* compressed hint buffer */  
426                  int hintlength;                 /* length of buffer (bytes) */          int width;              /* [out] */
427          }          int height;             /* [out] */
428          HINTINFO;          int mb_width;           /* [out] */
429            int mb_height;          /* [out] */
430            int fincr;              /* [out] */
431            int fbase;              /* [out] */
432    
433            int min_quant[3];       /* [out] */
434            int max_quant[3];       /* [out] */
435    
436            xvid_image_t reference; /* [out] -> [out] */
437            xvid_image_t current;   /* [out] -> [in,out] */
438            xvid_image_t original;  /* [out] after: points the original (uncompressed) copy of the current frame */
439            int frame_num;          /* [out] frame number */
440    
441            int type;               /* [in,out] */
442            int quant;              /* [in,out] */
443    
444            int * dquant;           /* [in,out]     pointer to diff quantizer table */
445            int dquant_stride;      /* [in,out]     diff quantizer stride */
446    
447            int vop_flags;          /* [in,out] */
448            int vol_flags;          /* [in,out] */
449            int motion_flags;       /* [in,out] */
450    
451            /* Lambda table for HVSPlugins */
452            float * lambda;         /* [in,out] six floats for each macroblock. read, multiply, write back */
453    
454    /* Deprecated, use the stats field instead.
455     * Will disapear before 1.0 */
456            int length;             /* [out] after: length of encoded frame */
457            int kblks;              /* [out] number of blocks compressed as Intra */
458            int mblks;              /* [out] number of blocks compressed as Inter */
459            int ublks;              /* [out] number of blocks marked not_coded */
460            int sse_y;              /* [out] Y plane's sse */
461            int sse_u;              /* [out] U plane's sse */
462            int sse_v;              /* [out] V plane's sse */
463    /* End of duplicated data, kept only for binary compatibility */
464    
465            int bquant_ratio;       /* [in] */
466            int bquant_offset;      /* [in] */
467    
468            xvid_enc_stats_t stats; /* [out] frame statistics */
469    } xvid_plg_data_t;
470    
471    /*****************************************************************************
472      xvid plugin system -- external
473    
474      the application passes xvid an array of "xvid_plugin_t" at XVID_ENC_CREATE. the array
475      indicates the plugin function pointer and plugin-specific data.
476      xvidcore handles the rest. example:
477    
478      xvid_enc_create_t create;
479      xvid_enc_plugin_t plugins[2];
480    
481      plugins[0].func = xvid_psnr_func;
482      plugins[0].param = NULL;
483      plugins[1].func = xvid_cbr_func;
484      plugins[1].param = &cbr_data;
485    
486      create.num_plugins = 2;
487      create.plugins = plugins;
488    
489     ****************************************************************************/
490    
491    typedef int (XVID_CALL xvid_plugin_func)(void * handle, int opt, void * param1, void * param2);
492    
493          typedef struct          typedef struct
494          {          {
495                  int general;                    /* [in] general options */          xvid_plugin_func * func;
496                  int motion;                             /* [in] ME options */          void * param;
497                  void *bitstream;                /* [in] bitstream ptr */  } xvid_enc_plugin_t;
                 int length;                             /* [out] bitstream length (bytes) */  
498    
499                  void *image;                    /* [in] image ptr */  XVID_IMPEXP xvid_plugin_func xvid_plugin_single;   /* single-pass rate control */
500                  int colorspace;                 /* [in] source colorspace */  XVID_IMPEXP xvid_plugin_func xvid_plugin_2pass1;   /* two-pass rate control: first pass */
501    XVID_IMPEXP xvid_plugin_func xvid_plugin_2pass2;   /* two-pass rate control: second pass */
502    
503                  unsigned char *quant_intra_matrix;      // [in] custom intra qmatrix */  XVID_IMPEXP xvid_plugin_func xvid_plugin_lumimasking;  /* lumimasking */
                 unsigned char *quant_inter_matrix;      // [in] custom inter qmatrix */  
                 int quant;                              /* [in] frame quantizer (vbr) */  
                 int intra;                              /* [in] force intra frame (vbr only)  
                                                                  * [out] intra state  
                                                                  */  
                 HINTINFO hint;                  /* [in/out] mv hint information */  
504    
505  #ifdef BFRAMES  XVID_IMPEXP xvid_plugin_func xvid_plugin_psnr;      /* write psnr values to stdout */
506                  int bquant;                             /* [in] bframe quantizer */  XVID_IMPEXP xvid_plugin_func xvid_plugin_dump;      /* dump before and after yuvpgms */
 #endif  
507    
508          }  XVID_IMPEXP xvid_plugin_func xvid_plugin_ssim;      /*write ssim values to stdout*/
509          XVID_ENC_FRAME;  XVID_IMPEXP xvid_plugin_func xvid_plugin_psnrhvsm;  /*write psnrhvsm values to stdout*/
510    
511    
512    /* single pass rate control
513     * CBR and Constant quantizer modes */
514          typedef struct          typedef struct
515          {          {
516                  int quant;                              /* [out] frame quantizer */          int version;
                 int input_consumed;             /* [out] */  
                 int hlength;                    /* [out] header length (bytes) */  
                 int kblks, mblks, ublks;        /* [out] */  
517    
518          }          int bitrate;               /* [in] bits per second */
519          XVID_ENC_STATS;          int reaction_delay_factor; /* [in] */
520            int averaging_period;      /* [in] */
521            int buffer;                /* [in] */
522    } xvid_plugin_single_t;
523    
524    
525    typedef struct {
526            int version;
527    
528            char * filename;
529    } xvid_plugin_2pass1_t;
530    
531    
532    #define XVID_PAYBACK_BIAS 0 /* payback with bias */
533    #define XVID_PAYBACK_PROP 1 /* payback proportionally */
534    
535    typedef struct {
536            int version;
537    
538            int bitrate;                  /* [in] target bitrate (bits per second) */
539            char * filename;              /* [in] first pass stats filename */
540    
541            int keyframe_boost;           /* [in] keyframe boost percentage: [0..100] */
542            int curve_compression_high;   /* [in] percentage of compression performed on the high part of the curve (above average) */
543            int curve_compression_low;    /* [in] percentage of compression performed on the low  part of the curve (below average) */
544            int overflow_control_strength;/* [in] Payback delay expressed in number of frames */
545            int max_overflow_improvement; /* [in] percentage of allowed range for a frame that gets bigger because of overflow bonus */
546            int max_overflow_degradation; /* [in] percentage of allowed range for a frame that gets smaller because of overflow penalty */
547    
548            int kfreduction;              /* [in] maximum bitrate reduction applied to an iframe under the kfthreshold distance limit */
549            int kfthreshold;              /* [in] if an iframe is closer to the next iframe than this distance, a quantity of bits
550                                                                       *      is substracted from its bit allocation. The reduction is computed as multiples of
551                                                                       *      kfreduction/kthreshold. It reaches kfreduction when the distance == kfthreshold,
552                                                                       *      0 for 1<distance<kfthreshold */
553    
554            int container_frame_overhead; /* [in] How many bytes the controller has to compensate per frame due to container format overhead */
555    
556    /* ------- v1.1.x ------- */
557            int vbv_size;                 /* [in] buffer size (bits) If this is zero, VBV check is disabled.*/
558            int vbv_initial;              /* [in] initial buffer occupancy (bits) */
559            int vbv_maxrate;              /* [in] max processing bitrate (bits per second) */
560            int vbv_peakrate;             /* [in:opt] max average bitrate over 1 second (bits per second).
561                                                                       *          This is used for diagnostics only and won't affect the actual peak bitrate.
562                                                                       *          This is not a problem as long as vbv_peakrate > vbv_size + vbv_maxrate which
563                                                                       *          guarantees that vbv_peakrate won't be exceeded. */
564    }xvid_plugin_2pass2_t;
565    
566    
567    typedef struct{
568            /*stat output*/
569            int b_printstat;
570            char* stat_path;
571    
572            /*visualize*/
573            int b_visualize;
574    
575            /*accuracy 0 very accurate 4 very fast*/
576            int acc;
577    
578        int cpu_flags; /* XVID_CPU_XXX flags */
579    
580    } xvid_plugin_ssim_t;
581    
582    typedef struct {
583            int version;
584    
585            int method;      /* [in] masking method to apply. 0 for luminance masking, 1 for variance masking */
586    } xvid_plugin_lumimasking_t;
587    
588  /*****************************************************************************  /*****************************************************************************
589   * Encoder entry point   *                             ENCODER API
590   ****************************************************************************/   ****************************************************************************/
591    
592  /* Encoder options */  /*----------------------------------------------------------------------------
593  #define XVID_ENC_ENCODE         0   * Encoder operations
594  #define XVID_ENC_CREATE         1   *--------------------------------------------------------------------------*/
595  #define XVID_ENC_DESTROY        2  
596    #define XVID_ENC_CREATE  0 /* create encoder instance; returns 0 on success */
597          int xvid_encore(void *handle,  #define XVID_ENC_DESTROY 1 /* destroy encoder instance; returns 0 on success */
598                                          int opt,  #define XVID_ENC_ENCODE  2 /* encode a frame: returns number of ouput bytes
599                                          void *param1,                              * 0 means this frame should not be written (ie. encoder lag) */
600                                          void *param2);  
601    
602    /*----------------------------------------------------------------------------
603     * Encoder entry point
604     *--------------------------------------------------------------------------*/
605    
606    XVID_IMPEXP int XVID_CALL xvid_encore(void *handle, int opt, void *param1, void *param2);
607    
608    /* Quick API reference
609     *
610     * XVID_ENC_CREATE operation
611     *  - handle: ignored
612     *  - opt: XVID_ENC_CREATE
613     *  - param1: address of a xvid_enc_create_t structure
614     *  - param2: ignored
615     *
616     * XVID_ENC_ENCODE operation
617     *  - handle: an instance returned by a CREATE op
618     *  - opt: XVID_ENC_ENCODE
619     *  - param1: address of a xvid_enc_frame_t structure
620     *  - param2: address of a xvid_enc_stats_t structure (optional)
621     *            its return value is asynchronous to what is written to the buffer
622     *            depending on the delay introduced by bvop use. It's display
623     *            ordered.
624     *
625     * XVID_ENC_DESTROY operation
626     *  - handle: an instance returned by a CREATE op
627     *  - opt: XVID_ENC_DESTROY
628     *  - param1: ignored
629     *  - param2: ignored
630     */
631    
632    
633    /*----------------------------------------------------------------------------
634     * "Global" flags
635     *
636     * These flags are used for xvid_enc_create_t->global field during instance
637     * creation (operation XVID_ENC_CREATE)
638     *--------------------------------------------------------------------------*/
639    
640    #define XVID_GLOBAL_PACKED            (1<<0) /* packed bitstream */
641    #define XVID_GLOBAL_CLOSED_GOP        (1<<1) /* closed_gop:     was DX50BVOP dx50 bvop compatibility */
642    #define XVID_GLOBAL_EXTRASTATS_ENABLE (1<<2)
643    #if 0
644    #define XVID_GLOBAL_VOL_AT_IVOP       (1<<3) /* write vol at every ivop: WIN32/divx compatibility */
645    #define XVID_GLOBAL_FORCE_VOL         (1<<4) /* when vol-based parameters are changed, insert an ivop NOT recommended */
646    #endif
647    #define XVID_GLOBAL_DIVX5_USERDATA    (1<<5) /* write divx5 userdata string
648                                                    this is implied if XVID_GLOBAL_PACKED is set */
649    
650    /*----------------------------------------------------------------------------
651     * "VOL" flags
652     *
653     * These flags are used for xvid_enc_frame_t->vol_flags field during frame
654     * encoding (operation XVID_ENC_ENCODE)
655     *--------------------------------------------------------------------------*/
656    
657    #define XVID_VOL_MPEGQUANT      (1<<0) /* enable MPEG type quantization */
658    #define XVID_VOL_EXTRASTATS     (1<<1) /* enable plane sse stats */
659    #define XVID_VOL_QUARTERPEL     (1<<2) /* enable quarterpel: frames will encoded as quarterpel */
660    #define XVID_VOL_GMC            (1<<3) /* enable GMC; frames will be checked for gmc suitability */
661    #define XVID_VOL_REDUCED_ENABLE (1<<4) /* enable reduced resolution vops: frames will be checked for rrv suitability */
662                                                                               /* NOTE:  the reduced resolution feature is not supported anymore. This flag will have no effect! */
663    #define XVID_VOL_INTERLACING    (1<<5) /* enable interlaced encoding */
664    
665    
666    /*----------------------------------------------------------------------------
667     * "VOP" flags
668     *
669     * These flags are used for xvid_enc_frame_t->vop_flags field during frame
670     * encoding (operation XVID_ENC_ENCODE)
671     *--------------------------------------------------------------------------*/
672    
673    /* Always valid */
674    #define XVID_VOP_DEBUG                (1<< 0) /* print debug messages in frames */
675    #define XVID_VOP_HALFPEL              (1<< 1) /* use halfpel interpolation */
676    #define XVID_VOP_INTER4V              (1<< 2) /* use 4 motion vectors per MB */
677    #define XVID_VOP_TRELLISQUANT         (1<< 3) /* use trellis based R-D "optimal" quantization */
678    #define XVID_VOP_CHROMAOPT            (1<< 4) /* enable chroma optimization pre-filter */
679    #define XVID_VOP_CARTOON              (1<< 5) /* use 'cartoon mode' */
680    #define XVID_VOP_GREYSCALE            (1<< 6) /* enable greyscale only mode (even for  color input material chroma is ignored) */
681    #define XVID_VOP_HQACPRED             (1<< 7) /* high quality ac prediction */
682    #define XVID_VOP_MODEDECISION_RD      (1<< 8) /* enable DCT-ME and use it for mode decision */
683    #define XVID_VOP_FAST_MODEDECISION_RD (1<<12) /* use simplified R-D mode decision */
684    #define XVID_VOP_RD_BVOP              (1<<13) /* enable rate-distortion mode decision in b-frames */
685    #define XVID_VOP_RD_PSNRHVSM          (1<<14) /* use PSNR-HVS-M as metric for rate-distortion optimizations */
686    
687    /* Only valid for vol_flags|=XVID_VOL_INTERLACING */
688    #define XVID_VOP_TOPFIELDFIRST        (1<< 9) /* set top-field-first flag  */
689    #define XVID_VOP_ALTERNATESCAN        (1<<10) /* set alternate vertical scan flag */
690    
691    /* only valid for vol_flags|=XVID_VOL_REDUCED_ENABLED */
692    #define XVID_VOP_REDUCED              (1<<11) /* reduced resolution vop */
693                                                                                              /* NOTE: reduced resolution feature is not supported anymore. This flag will have no effect! */
694    
695    /*----------------------------------------------------------------------------
696     * "Motion" flags
697     *
698     * These flags are used for xvid_enc_frame_t->motion field during frame
699     * encoding (operation XVID_ENC_ENCODE)
700     *--------------------------------------------------------------------------*/
701    
702    /* Motion Estimation Search Patterns */
703    #define XVID_ME_ADVANCEDDIAMOND16     (1<< 0) /* use advdiamonds instead of diamonds as search pattern */
704    #define XVID_ME_ADVANCEDDIAMOND8      (1<< 1) /* use advdiamond for XVID_ME_EXTSEARCH8 */
705    #define XVID_ME_USESQUARES16          (1<< 2) /* use squares instead of diamonds as search pattern */
706    #define XVID_ME_USESQUARES8           (1<< 3) /* use square for XVID_ME_EXTSEARCH8 */
707    
708    /* SAD operator based flags */
709    #define XVID_ME_HALFPELREFINE16       (1<< 4)
710    #define XVID_ME_HALFPELREFINE8        (1<< 6)
711    #define XVID_ME_QUARTERPELREFINE16    (1<< 7)
712    #define XVID_ME_QUARTERPELREFINE8     (1<< 8)
713    #define XVID_ME_GME_REFINE            (1<< 9)
714    #define XVID_ME_EXTSEARCH16           (1<<10) /* extend PMV by more searches */
715    #define XVID_ME_EXTSEARCH8            (1<<11) /* use diamond/square for extended 8x8 search */
716    #define XVID_ME_CHROMA_PVOP           (1<<12) /* also use chroma for P_VOP/S_VOP ME */
717    #define XVID_ME_CHROMA_BVOP           (1<<13) /* also use chroma for B_VOP ME */
718    #define XVID_ME_FASTREFINE16          (1<<25) /* use low-complexity refinement functions */
719    #define XVID_ME_FASTREFINE8           (1<<29) /* low-complexity 8x8 sub-block refinement */
720    
721    /* Rate Distortion based flags
722     * Valid when XVID_VOP_MODEDECISION_RD is enabled */
723    #define XVID_ME_HALFPELREFINE16_RD    (1<<14) /* perform RD-based halfpel refinement */
724    #define XVID_ME_HALFPELREFINE8_RD     (1<<15) /* perform RD-based halfpel refinement for 8x8 mode */
725    #define XVID_ME_QUARTERPELREFINE16_RD (1<<16) /* perform RD-based qpel refinement */
726    #define XVID_ME_QUARTERPELREFINE8_RD  (1<<17) /* perform RD-based qpel refinement for 8x8 mode */
727    #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 */
728    #define XVID_ME_CHECKPREDICTION_RD    (1<<19) /* always check vector equal to prediction */
729    
730    /* Other */
731    #define XVID_ME_DETECT_STATIC_MOTION  (1<<24) /* speed-up ME by detecting stationary scenes */
732    #define XVID_ME_SKIP_DELTASEARCH      (1<<26) /* speed-up by skipping b-frame delta search */
733    #define XVID_ME_FAST_MODEINTERPOLATE  (1<<27) /* speed-up by partly skipping interpolate mode */
734    #define XVID_ME_BFRAME_EARLYSTOP      (1<<28) /* speed-up by early exiting b-search */
735    
736    /* Unused */
737    #define XVID_ME_UNRESTRICTED16        (1<<20) /* unrestricted ME, not implemented */
738    #define XVID_ME_OVERLAPPING16         (1<<21) /* overlapping ME, not implemented */
739    #define XVID_ME_UNRESTRICTED8         (1<<22) /* unrestricted ME, not implemented */
740    #define XVID_ME_OVERLAPPING8          (1<<23) /* overlapping ME, not implemented */
741    
742    
743    /*----------------------------------------------------------------------------
744     * xvid_enc_create_t structure definition
745     *
746     * This structure is passed as param1 during an instance creation (operation
747     * XVID_ENC_CREATE)
748     *--------------------------------------------------------------------------*/
749    
750    typedef struct {
751            int version;
752    
753            int profile;                 /* [in] profile@level; refer to XVID_PROFILE_xxx */
754            int width;                   /* [in] frame dimensions; width, pixel units */
755            int height;                  /* [in] frame dimensions; height, pixel units */
756    
757            int num_zones;               /* [in:opt] number of bitrate zones */
758            xvid_enc_zone_t * zones;     /*          ^^ zone array */
759    
760            int num_plugins;             /* [in:opt] number of plugins */
761            xvid_enc_plugin_t * plugins; /*          ^^ plugin array */
762    
763            int num_threads;             /* [in:opt] number of threads to use in encoder */
764            int max_bframes;             /* [in:opt] max sequential bframes (0=disable bframes) */
765    
766            int global;                  /* [in:opt] global flags; controls encoding behavior */
767    
768            /* --- vol-based stuff; included here for convenience */
769            int fincr;                   /* [in:opt] framerate increment; set to zero for variable framerate */
770            int fbase;                   /* [in] framerate base frame_duration = fincr/fbase seconds*/
771        /* ---------------------------------------------- */
772    
773            /* --- vop-based; included here for convenience */
774            int max_key_interval;        /* [in:opt] the maximum interval between key frames */
775    
776            int frame_drop_ratio;        /* [in:opt] frame dropping: 0=drop none... 100=drop all */
777    
778            int bquant_ratio;            /* [in:opt] bframe quantizer multipier/offeset; used to decide bframes quant when bquant==-1 */
779            int bquant_offset;           /* bquant = (avg(past_ref_quant,future_ref_quant)*bquant_ratio + bquant_offset) / 100 */
780    
781            int min_quant[3];            /* [in:opt] */
782            int max_quant[3];            /* [in:opt] */
783            /* ---------------------------------------------- */
784    
785            void *handle;                /* [out] encoder instance handle */
786    
787            /* ------- v1.3.x ------- */
788            int start_frame_num;         /* [in:opt] frame number of start frame relative to zones definitions. allows to encode sub-sequences */
789            int num_slices;              /* [in:opt] number of slices to code for each frame */
790    } xvid_enc_create_t;
791    
792    
793    /*----------------------------------------------------------------------------
794     * xvid_enc_frame_t structure definition
795     *
796     * This structure is passed as param1 during a frame encoding (operation
797     * XVID_ENC_ENCODE)
798     *--------------------------------------------------------------------------*/
799    
800    /* out value for the frame structure->type field
801     * unlike stats output in param2, this field is not asynchronous and tells
802     * the client app, if the frame written into the stream buffer is an ivop
803     * usually used for indexing purpose in the container */
804    #define XVID_KEYFRAME (1<<1)
805    
806    /* The structure */
807    typedef struct {
808            int version;
809    
810            /* VOL related stuff
811             * unless XVID_FORCEVOL is set, the encoder will not react to any changes
812             * here until the next VOL (keyframe). */
813    
814            int vol_flags;                     /* [in] vol flags */
815            unsigned char *quant_intra_matrix; /* [in:opt] custom intra qmatrix */
816            unsigned char *quant_inter_matrix; /* [in:opt] custom inter qmatrix */
817    
818            int par;                           /* [in:opt] pixel aspect ratio (refer to XVID_PAR_xxx above) */
819            int par_width;                     /* [in:opt] aspect ratio width */
820            int par_height;                    /* [in:opt] aspect ratio height */
821    
822            /* Other fields that can change on a frame base */
823    
824            int fincr;                         /* [in:opt] framerate increment, for variable framerate only */
825            int vop_flags;                     /* [in] (general)vop-based flags */
826            int motion;                        /* [in] ME options */
827    
828            xvid_image_t input;                /* [in] input image (read from) */
829    
830            int type;                          /* [in:opt] coding type */
831            int quant;                         /* [in] frame quantizer; if <=0, automatic (ratecontrol) */
832            int bframe_threshold;
833    
834            void *bitstream;                   /* [in:opt] bitstream ptr (written to)*/
835            int length;                        /* [in:opt] bitstream length (bytes) */
836    
837            int out_flags;                     /* [out] bitstream output flags */
838    } xvid_enc_frame_t;
839    
840  #ifdef __cplusplus  #ifdef __cplusplus
841  }  }
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