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revision 1055, Mon Jun 9 17:08:36 2003 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   *  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 */  /* Attention! Work in progress. TODO: Review */
38  #define API_VERSION ((2 << 16) | (1))  
39  #define XVID_API_UNSTABLE  #ifndef XVID_IMPEXP
40    #define XVID_IMPEXP             extern
41    #endif
42    
43    #ifndef XVID_CALL
44    #define XVID_CALL
45    #endif
46    
47    /*****************************************************************************
48     * versioning
49     ****************************************************************************/
50    
51    /* 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  /* Bitstream Version
79   * 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 86 
86   * 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
87   * future   * future
88   */   */
89  #define XVID_BS_VERSION "0010"  #define XVID_BS_VERSION 73
90    
91    /*****************************************************************************
92     * error codes
93     ****************************************************************************/
94    
95            /*      all functions return values <0 indicate error */
96    
97  /* Error codes */  #define XVID_ERR_FAIL           -1              /* general fault */
98  #define XVID_ERR_FAIL    -1  #define XVID_ERR_MEMORY         -2              /* memory allocation error */
99  #define XVID_ERR_OK       0  #define XVID_ERR_FORMAT         -3              /* file format error */
100  #define XVID_ERR_MEMORY   1  #define XVID_ERR_VERSION        -4              /* structure version not supported */
101  #define XVID_ERR_FORMAT   2  #define XVID_ERR_END            -5              /* encoder only; end of stream reached */
102    
103    
104    
105    /*****************************************************************************
106     * xvid_image_t
107     ****************************************************************************/
108    
109    /* colorspace values */
110    
111    #define XVID_CSP_PLANAR   (1<< 0) /* 4:2:0 planar (==I420, except for pointers/strides) */
112    #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  /* Colorspaces */  /*****************************************************************************
177  #define XVID_CSP_RGB24     0 /* [b|g|r] */   * xvid_global()
178  #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 /* [b|g|r|a] */  
 #define XVID_CSP_ABGR   1006 /* [a|b|g|r] */  
 #define XVID_CSP_RGBA   1005 /* [r|g|b|a] */  
179    
180    /* cpu_flags definitions (make sure to sync this with cpuid.asm for ia32) */
181    
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    
 #define XVID_CSP_NULL   9999  
197    
198  #define XVID_CSP_VFLIP  0x80000000 /* flip mask */  #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     * xvid_decore()
246     ****************************************************************************/
247    
248    #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    #define XVID_DEC_DECODE  2 /* decode a frame: returns number of bytes consumed >= 0 */
251    
252    XVID_IMPEXP int XVID_CALL xvid_decore(void *handle, int opt, void *param1, void *param2);
253    
254    /* 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
295    {
296            int version;
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    
324    typedef struct
325    {
326            int frame;
327            int mode;
328            int increment;
329            int base;
330    } xvid_enc_zone_t;
331    
332    
333    /*----------------------------------------------------------------------------
334     * 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            /* encoding parameters */
347            int type;      /* [out] coding type */
348            int quant;     /* [out] frame quantizer */
349            int vol_flags; /* [out] vol flags (see above) */
350            int vop_flags; /* [out] vop flags (see above) */
351    
352            /* bitrate */
353            int length;    /* [out] frame length */
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   *  Initialization constants    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    
 /* 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 */  
374    
375  /* ARCH_IS_IA32 */  #define XVID_PLG_CREATE  (1<<0)
376  #define XVID_CPU_MMX      0x00000001   /* mmx      : pentiumMMX,k6 */  #define XVID_PLG_DESTROY (1<<1)
377  #define XVID_CPU_MMXEXT   0x00000002   /* mmx-ext  : pentium2, athlon */  #define XVID_PLG_INFO    (1<<2)
378  #define XVID_CPU_SSE      0x00000004   /* sse      : pentium3, athlonXP */  #define XVID_PLG_BEFORE  (1<<3)
379  #define XVID_CPU_SSE2     0x00000008   /* sse2     : pentium4, athlon64 */  #define XVID_PLG_FRAME   (1<<4)
380  #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 */  
381    
382  /* ARCH_IS_IA64 */  /* xvid_plg_info_t.flags */
383  #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 */
384    #define XVID_REQPSNR     (1<<1) /* plugin requires psnr between the uncompressed and compressed image*/
385    #define XVID_REQDQUANTS  (1<<2) /* plugin requires access to the dquant table */
386    #define XVID_REQLAMBDA   (1<<3) /* plugin requires access to the lambda table */
387    
388  /* ARCH_IS_PPC */  typedef struct
389  #define XVID_CPU_ALTIVEC  0x00000001   /* altivec */  {
390            int version;
391            int flags;   /* [in:opt] plugin flags */
392    } xvid_plg_info_t;
393    
394    
395          typedef struct          typedef struct
396          {          {
397                  int colorspace;          int version;
398                  void * y;  
399                  void * u;          int num_zones;           /* [out] */
400                  void * v;          xvid_enc_zone_t * zones; /* [out] */
401                  int y_stride;  
402                  int uv_stride;          int width;               /* [out] */
403          } XVID_IMAGE;      /* from yv12 */          int height;              /* [out] */
404            int mb_width;            /* [out] */
405  #define XVID_INIT_INIT    0          int mb_height;           /* [out] */
406  #define XVID_INIT_CONVERT 1          int fincr;               /* [out] */
407  #define XVID_INIT_TEST    2          int fbase;               /* [out] */
408    
409            void * param;            /* [out] */
410    } xvid_plg_create_t;
411    
 /*****************************************************************************  
  *  Initialization structures  
  ****************************************************************************/  
412    
413          typedef struct          typedef struct
414          {          {
415                  int cpu_flags;          int version;
416                  int api_version;  
417                  int core_build;          int num_frames; /* [out] total frame encoded */
418          } XVID_INIT_PARAM;  } xvid_plg_destroy_t;
419    
420          typedef struct          typedef struct
421          {          {
422                  XVID_IMAGE input;          int version;
                 XVID_IMAGE output;  
                 int width;  
                 int height;  
                 int interlacing;  
         } XVID_INIT_CONVERTINFO;  
423    
424  /*****************************************************************************          xvid_enc_zone_t * zone; /* [out] current zone */
  *  Initialization entry point  
  ****************************************************************************/  
425    
426          int xvid_init(void *handle,          int width;              /* [out] */
427                                    int opt,          int height;             /* [out] */
428                                    void *param1,          int mb_width;           /* [out] */
429                                    void *param2);          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   * Decoder constants          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  /* Flags for XVID_DEC_FRAME.general */          int type;               /* [in,out] */
442  #define XVID_DEC_LOWDELAY      0x00000001 /* decode lowdelay mode (ie. VFW) */          int quant;              /* [in,out] */
443  #define XVID_DEC_DEBLOCKY      0x00000002 /* luma deblocking */  
444  #define XVID_DEC_DEBLOCKUV     0x00000008 /* chroma deblocking */          int * dquant;           /* [in,out]     pointer to diff quantizer table */
445  #define XVID_DEC_DISCONTINUITY 0x00000004 /* indicates break in stream          int dquant_stride;      /* [in,out]     diff quantizer stride */
446                                               instructs decoder to ignore any  
447                                               previous reference frames */          int vop_flags;          /* [in,out] */
448  #define XVID_QUICK_DECODE      0x00000010          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   * Decoder structures    xvid plugin system -- external
  ****************************************************************************/  
473    
474          typedef struct    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                  int width;    xvidcore handles the rest. example:
                 int height;  
                 void *handle;  
         } XVID_DEC_PARAM;  
477    
478      xvid_enc_create_t create;
479      xvid_enc_plugin_t plugins[2];
480    
481  #define XVID_DEC_VOP     0    plugins[0].func = xvid_psnr_func;
482  #define XVID_DEC_VOL     1    plugins[0].param = NULL;
483  #define XVID_DEC_NOTHING 2 /* nothing was decoded */    plugins[1].func = xvid_cbr_func;
484      plugins[1].param = &cbr_data;
485    
486          typedef struct    create.num_plugins = 2;
487          {    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;  
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;          xvid_plugin_func * func;
496                  void *bitstream;          void * param;
497                  int length;  } xvid_enc_plugin_t;
498    
499    XVID_IMPEXP xvid_plugin_func xvid_plugin_single;   /* single-pass rate control */
500    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    XVID_IMPEXP xvid_plugin_func xvid_plugin_lumimasking;  /* lumimasking */
504    
505                  void *image;  XVID_IMPEXP xvid_plugin_func xvid_plugin_psnr;      /* write psnr values to stdout */
506                  int stride;  XVID_IMPEXP xvid_plugin_func xvid_plugin_dump;      /* dump before and after yuvpgms */
                 int colorspace;  
         } XVID_DEC_FRAME;  
507    
508    XVID_IMPEXP xvid_plugin_func xvid_plugin_ssim;      /*write ssim values to stdout*/
509    XVID_IMPEXP xvid_plugin_func xvid_plugin_psnrhvsm;  /*write psnrhvsm values to stdout*/
510    
511          /* This struct is used for per slice rendering */  
512    /* single pass rate control
513     * CBR and Constant quantizer modes */
514          typedef struct          typedef struct
515          {          {
516                  void *y,*u,*v;          int version;
                 int stride_y, stride_u,stride_v;  
         } XVID_DEC_PICTURE;  
517    
518            int bitrate;               /* [in] bits per second */
519            int reaction_delay_factor; /* [in] */
520            int averaging_period;      /* [in] */
521            int buffer;                /* [in] */
522    } xvid_plugin_single_t;
523    
 /*****************************************************************************  
  * Decoder entry point  
  ****************************************************************************/  
524    
525  /* decoder options */  typedef struct {
526  #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);  
527    
528            char * filename;
529    } xvid_plugin_2pass1_t;
530    
 /*****************************************************************************  
  * Encoder constants  
  ****************************************************************************/  
531    
532  /* Flags for XVID_ENC_PARAM.global */  #define XVID_PAYBACK_BIAS 0 /* payback with bias */
533  #define XVID_GLOBAL_PACKED      0x00000001 /* packed bitstream */  #define XVID_PAYBACK_PROP 1 /* payback proportionally */
534  #define XVID_GLOBAL_DX50BVOP    0x00000002 /* dx50 bvop compatibility */  
535  #define XVID_GLOBAL_DEBUG       0x00000004 /* print debug info on each frame */  typedef struct {
536  #define XVID_GLOBAL_REDUCED     0x04000000 /* reduced resolution vop enable */          int version;
537    
538  #define XVID_GLOBAL_EXTRASTATS  0x00000200 /* generate extra statistics */          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  /* Flags for XVID_ENC_FRAME.general */          int kfreduction;              /* [in] maximum bitrate reduction applied to an iframe under the kfthreshold distance limit */
549  #define XVID_VALID_FLAGS        0x80000000          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  #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  
555    
556  #define XVID_INTERLACING        0x00000400 /* enable interlaced encoding */  /* ------- v1.1.x ------- */
557  #define XVID_TOPFIELDFIRST      0x00000800 /* set top-field-first flag  */          int vbv_size;                 /* [in] buffer size (bits) If this is zero, VBV check is disabled.*/
558  #define XVID_ALTERNATESCAN      0x00001000 /* set alternate vertical scan flag */          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    
 #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) */  
566    
567  #define XVID_INTER4V            0x00008000  typedef struct{
568            /*stat output*/
569            int b_printstat;
570            char* stat_path;
571    
572  #define XVID_ME_ZERO            0x00010000          /*visualize*/
573  #define XVID_ME_LOGARITHMIC     0x00020000          int b_visualize;
 #define XVID_ME_FULLSEARCH      0x00040000  
 #define XVID_ME_PMVFAST         0x00080000  
 #define XVID_ME_EPZS            0x00100000  
574    
575  #define XVID_CHROMAOPT          0x00200000 /* enable chroma optimization pre-filter */          /*accuracy 0 very accurate 4 very fast*/
576            int acc;
577    
578  #define XVID_GREYSCALE          0x01000000 /* enable greyscale only mode (even for      int cpu_flags; /* XVID_CPU_XXX flags */
                                               color input material chroma is ignored) */  
579    
580  #define XVID_GMC                0x10000000  } xvid_plugin_ssim_t;
 #define XVID_GMC_TRANSLATIONAL  0x20000000  
581    
582  #define XVID_REDUCED            0x04000000 /* reduced resolution vop */  typedef struct {
583  #define XVID_HQACPRED           0x08000000 /* 20030209: high quality ac prediction */          int version;
584    
585  #define XVID_EXTRASTATS         0x00000200 /* generate extra statistics */          int method;      /* [in] masking method to apply. 0 for luminance masking, 1 for variance masking */
586    } xvid_plugin_lumimasking_t;
587    
588    /*****************************************************************************
589     *                             ENCODER API
590     ****************************************************************************/
591    
592  #define XVID_MODEDECISION_BITS  0x00400000 /* enable DCT-ME and use it for mode decision */  /*----------------------------------------------------------------------------
593     * Encoder operations
594     *--------------------------------------------------------------------------*/
595    
596    #define XVID_ENC_CREATE  0 /* create encoder instance; returns 0 on success */
597    #define XVID_ENC_DESTROY 1 /* destroy encoder instance; returns 0 on success */
598    #define XVID_ENC_ENCODE  2 /* encode a frame: returns number of ouput bytes
599                                * 0 means this frame should not be written (ie. encoder lag) */
600    
 /* 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 */  
601    
602  #define PMV_HALFPELREFINE16     0x00020000  /*----------------------------------------------------------------------------
603  #define PMV_HALFPELREFINE8      0x02000000   * Encoder entry point
604     *--------------------------------------------------------------------------*/
605    
606  #define PMV_QUARTERPELREFINE16  0x00040000  XVID_IMPEXP int XVID_CALL xvid_encore(void *handle, int opt, void *param1, void *param2);
 #define PMV_QUARTERPELREFINE8   0x04000000  
607    
608  #define PMV_EXTSEARCH16         0x00080000 /* extend PMV by more searches */  /* 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    
 #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 */  
632    
633  #define PMV_CHROMA16            0x00100000 /* also use chroma for P_VOP/S_VOP ME */  /*----------------------------------------------------------------------------
634  #define PMV_CHROMA8             0x10000000 /* also use chroma for B_VOP ME */   * "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  /* Motion search using DCT. use XVID_MODEDECISION_BITS to enable */  /*----------------------------------------------------------------------------
651  #define HALFPELREFINE16_BITS    0x00000100 /* perform DCT-based halfpel refinement */   * "VOL" flags
652  #define HALFPELREFINE8_BITS     0x00000200 /* perform DCT-based halfpel refinement for 8x8 mode */   *
653  #define QUARTERPELREFINE16_BITS 0x00000400 /* perform DCT-based qpel refinement */   * These flags are used for xvid_enc_frame_t->vol_flags field during frame
654  #define QUARTERPELREFINE8_BITS  0x00000800 /* perform DCT-based qpel refinement for 8x8 mode */   * 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    
 #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 */  
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  /* note: old and deprecated - or never implemented */  /*----------------------------------------------------------------------------
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    
 /* only for compatability with old encoders */  
742    
743  #define PMV_EARLYSTOP16         0x00  /*----------------------------------------------------------------------------
744  #define PMV_EARLYSTOP8          0x00   * xvid_enc_create_t structure definition
745  #define PMV_QUICKSTOP16         0x00   *
746  #define PMV_QUICKSTOP8          0x00   * This structure is passed as param1 during an instance creation (operation
747     * XVID_ENC_CREATE)
748     *--------------------------------------------------------------------------*/
749    
750  #define PMV_HALFPELDIAMOND16    0x00  typedef struct {
751  #define PMV_HALFPELDIAMOND8     0x00          int version;
752    
753  #define PMV_UNRESTRICTED16      0x00200000 /* unrestricted ME, not implemented */          int profile;                 /* [in] profile@level; refer to XVID_PROFILE_xxx */
754  #define PMV_OVERLAPPING16       0x00400000 /* overlapping ME, not implemented */          int width;                   /* [in] frame dimensions; width, pixel units */
755  #define PMV_UNRESTRICTED8       0x20000000 /* unrestricted ME, not implemented */          int height;                  /* [in] frame dimensions; height, pixel units */
 #define PMV_OVERLAPPING8        0x40000000 /* overlapping ME, not implemented */  
756    
757  #define XVID_ME_COLOUR          0x00       /* this has been converted to PMV_CHROMA[16/8] */          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   * Encoder structures          int max_bframes;             /* [in:opt] max sequential bframes (0=disable bframes) */
  ****************************************************************************/  
765    
766          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;  
767    
768          typedef struct          /* --- vol-based stuff; included here for convenience */
769          {          int fincr;                   /* [in:opt] framerate increment; set to zero for variable framerate */
770                  int x;          int fbase;                   /* [in] framerate base frame_duration = fincr/fbase seconds*/
771                  int y;      /* ---------------------------------------------- */
         } VECTOR;  
772    
773          typedef struct          /* --- vop-based; included here for convenience */
774          {          int max_key_interval;        /* [in:opt] the maximum interval between key frames */
                 int mode;      /* macroblock mode */  
                 VECTOR mvs[4];  
         } MVBLOCKHINT;  
775    
776          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;  
777    
778          typedef struct          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 */
                 int rawhints;       /* if set, use MVFRAMEHINT, else use compressed buffer */  
780    
781                  MVFRAMEHINT mvhint;          int min_quant[3];            /* [in:opt] */
782                  void *hintstream;   /* compressed hint buffer */          int max_quant[3];            /* [in:opt] */
783                  int hintlength;     /* length of buffer (bytes) */          /* ---------------------------------------------- */
         } HINTINFO;  
784    
785          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) */  
786    
787                  void *image;                       /* [in] image ptr */          /* ------- v1.3.x ------- */
788                  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 */
789                  int colorspace;                    /* [in] source colorspace */          int num_slices;              /* [in:opt] number of slices to code for each frame */
790    } 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 */  
791    
                 int bquant;                        /* [in] bframe quantizer */  
                 int bframe_threshold;                      /* [in] sensitivity of B-frame decision */  
792    
793          } XVID_ENC_FRAME;  /*----------------------------------------------------------------------------
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          typedef struct          int fincr;                         /* [in:opt] framerate increment, for variable framerate only */
825          {          int vop_flags;                     /* [in] (general)vop-based flags */
826                  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;  
827    
828            xvid_image_t input;                /* [in] input image (read from) */
829    
830  /*****************************************************************************          int type;                          /* [in:opt] coding type */
831   * Encoder entry point          int quant;                         /* [in] frame quantizer; if <=0, automatic (ratecontrol) */
832   ****************************************************************************/          int bframe_threshold;
833    
834  /* Encoder options */          void *bitstream;                   /* [in:opt] bitstream ptr (written to)*/
835  #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);  
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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