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revision 1098, Mon Jul 28 12:39:32 2003 UTC revision 1382, Mon Mar 22 22:36:25 2004 UTC
# Line 3  Line 3 
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) 2001-2003 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 1.32 2003-07-28 12:36:25 edgomez Exp $   * $Id: xvid.h,v 1.33 2004-03-22 22:36:23 edgomez Exp $
23   *   *
24   ****************************************************************************/   ****************************************************************************/
25    
26  #ifndef _XVID_H_  #ifndef _XVID_H_
27  #define _XVID_H_  #define _XVID_H_
28    
29    
30  #ifdef __cplusplus  #ifdef __cplusplus
31  extern "C" {  extern "C" {
32  #endif  #endif
33    
34  /*****************************************************************************  /*****************************************************************************
35   * Global constants   * versioning
36   ****************************************************************************/   ****************************************************************************/
37    
38  /* API Version : 3.0 */  /* versioning
39  #define API_VERSION ((3 << 16) | (0))          version takes the form "$major.$minor.$patch"
40  #define XVID_API_UNSTABLE          $patch is incremented when there is no api change
41            $minor is incremented when the api is changed, but remains backwards compatible
42            $major is incremented when the api is changed significantly
43    
44            when initialising an xvid structure, you must always zero it, and set the version field.
45                    memset(&struct,0,sizeof(struct));
46                    struct.version = XVID_VERSION;
47    
48            XVID_UNSTABLE is defined only during development.
49            */
50    
51    #define XVID_MAKE_VERSION(a,b,c) ((((a)&0xff)<<16) | (((b)&0xff)<<8) | ((c)&0xff))
52    #define XVID_VERSION_MAJOR(a)    ((char)(((a)>>16) & 0xff))
53    #define XVID_VERSION_MINOR(a)    ((char)(((a)>> 8) & 0xff))
54    #define XVID_VERSION_PATCH(a)    ((char)(((a)>> 0) & 0xff))
55    
56    #define XVID_MAKE_API(a,b)       ((((a)&0xff)<<16) | (((b)&0xff)<<0))
57    #define XVID_API_MAJOR(a)        (((a)>>16) & 0xff)
58    #define XVID_API_MINOR(a)        (((a)>> 0) & 0xff)
59    
60    #define XVID_VERSION             XVID_MAKE_VERSION(1,0,-124)
61    #define XVID_API                 XVID_MAKE_API(4, 0)
62    
63    #define XVID_UNSTABLE
64    
65  /* Bitstream Version  /* Bitstream Version
66   * 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 73 
73   * 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
74   * future   * future
75   */   */
76  #define XVID_BS_VERSION "0015"  #define XVID_BS_VERSION "0029"
   
   
 /* Error codes */  
 #define XVID_ERR_FAIL    -1  
 #define XVID_ERR_OK       0  
 #define XVID_ERR_MEMORY   1  
 #define XVID_ERR_FORMAT   2  
   
   
 /* Colorspaces */  
 #define XVID_CSP_RGB24     0 /* [b|g|r] */  
 #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] */  
77    
78    
79    /*****************************************************************************
80     * error codes
81     ****************************************************************************/
82    
83  #define XVID_CSP_NULL   9999          /*      all functions return values <0 indicate error */
84    
85  #define XVID_CSP_VFLIP  0x80000000 /* flip mask */  #define XVID_ERR_FAIL           -1              /* general fault */
86    #define XVID_ERR_MEMORY         -2              /* memory allocation error */
87    #define XVID_ERR_FORMAT         -3              /* file format error */
88    #define XVID_ERR_VERSION        -4              /* structure version not supported */
89    #define XVID_ERR_END            -5              /* encoder only; end of stream reached */
90    
91    
92    
93    /*****************************************************************************
94     * xvid_image_t
95     ****************************************************************************/
96    
97    /* colorspace values */
98    
99    #define XVID_CSP_PLANAR   (1<< 0) /* 4:2:0 planar (==I420, except for pointers/strides) */
100    #define XVID_CSP_USER     XVID_CSP_PLANAR
101    #define XVID_CSP_I420     (1<< 1) /* 4:2:0 planar */
102    #define XVID_CSP_YV12     (1<< 2) /* 4:2:0 planar */
103    #define XVID_CSP_YUY2     (1<< 3) /* 4:2:2 packed */
104    #define XVID_CSP_UYVY     (1<< 4) /* 4:2:2 packed */
105    #define XVID_CSP_YVYU     (1<< 5) /* 4:2:2 packed */
106    #define XVID_CSP_BGRA     (1<< 6) /* 32-bit bgra packed */
107    #define XVID_CSP_ABGR     (1<< 7) /* 32-bit abgr packed */
108    #define XVID_CSP_RGBA     (1<< 8) /* 32-bit rgba packed */
109    #define XVID_CSP_ARGB     (1<<15) /* 32-bit argb packed */
110    #define XVID_CSP_BGR      (1<< 9) /* 24-bit bgr packed */
111    #define XVID_CSP_RGB555   (1<<10) /* 16-bit rgb555 packed */
112    #define XVID_CSP_RGB565   (1<<11) /* 16-bit rgb565 packed */
113    #define XVID_CSP_SLICE    (1<<12) /* decoder only: 4:2:0 planar, per slice rendering */
114    #define XVID_CSP_INTERNAL (1<<13) /* decoder only: 4:2:0 planar, returns ptrs to internal buffers */
115    #define XVID_CSP_NULL     (1<<14) /* decoder only: dont output anything */
116    #define XVID_CSP_VFLIP    (1<<31) /* vertical flip mask */
117    
118    /* xvid_image_t
119            for non-planar colorspaces use only plane[0] and stride[0]
120            four plane reserved for alpha*/
121    typedef struct {
122            int csp;                                /* [in] colorspace; or with XVID_CSP_VFLIP to perform vertical flip */
123            void * plane[4];                /* [in] image plane ptrs */
124            int stride[4];                  /* [in] image stride; "bytes per row"*/
125    } xvid_image_t;
126    
127    /* video-object-sequence profiles */
128    #define XVID_PROFILE_S_L0    0x08 /* simple */
129    #define XVID_PROFILE_S_L1    0x01
130    #define XVID_PROFILE_S_L2    0x02
131    #define XVID_PROFILE_S_L3    0x03
132    #define XVID_PROFILE_ARTS_L1 0x91 /* advanced realtime simple */
133    #define XVID_PROFILE_ARTS_L2 0x92
134    #define XVID_PROFILE_ARTS_L3 0x93
135    #define XVID_PROFILE_ARTS_L4 0x94
136    #define XVID_PROFILE_AS_L0   0xf0 /* advanced simple */
137    #define XVID_PROFILE_AS_L1   0xf1
138    #define XVID_PROFILE_AS_L2   0xf2
139    #define XVID_PROFILE_AS_L3   0xf3
140    #define XVID_PROFILE_AS_L4   0xf4
141    
142    /* aspect ratios */
143    #define XVID_PAR_11_VGA    1 /* 1:1 vga (square), default if supplied PAR is not a valid value */
144    #define XVID_PAR_43_PAL    2 /* 4:3 pal (12:11 625-line) */
145    #define XVID_PAR_43_NTSC   3 /* 4:3 ntsc (10:11 525-line) */
146    #define XVID_PAR_169_PAL   4 /* 16:9 pal (16:11 625-line) */
147    #define XVID_PAR_169_NTSC  5 /* 16:9 ntsc (40:33 525-line) */
148    #define XVID_PAR_EXT      15 /* extended par; use par_width, par_height */
149    
150    /* frame type flags */
151    #define XVID_TYPE_VOL     -1 /* decoder only: vol was decoded */
152    #define XVID_TYPE_NOTHING  0 /* decoder only (encoder stats): nothing was decoded/encoded */
153    #define XVID_TYPE_AUTO     0 /* encoder: automatically determine coding type */
154    #define XVID_TYPE_IVOP     1 /* intra frame */
155    #define XVID_TYPE_PVOP     2 /* predicted frame */
156    #define XVID_TYPE_BVOP     3 /* bidirectionally encoded */
157    #define XVID_TYPE_SVOP     4 /* predicted+sprite frame */
158    
159    
160  /*****************************************************************************  /*****************************************************************************
161   *  Initialization constants   * xvid_global()
162   ****************************************************************************/   ****************************************************************************/
163    
164  /* CPU flags for XVID_INIT_PARAM.cpu_flags */  /* cpu_flags definitions (make sure to sync this with cpuid.asm for ia32) */
 #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 */  
165    
166    #define XVID_CPU_FORCE    (1<<31) /* force passed cpu flags */
167    #define XVID_CPU_ASM      (1<< 7) /* native assembly */
168  /* ARCH_IS_IA32 */  /* ARCH_IS_IA32 */
169  #define XVID_CPU_MMX      0x00000001   /* mmx      : pentiumMMX,k6 */  #define XVID_CPU_MMX      (1<< 0) /*       mmx : pentiumMMX,k6 */
170  #define XVID_CPU_MMXEXT   0x00000002   /* mmx-ext  : pentium2, athlon */  #define XVID_CPU_MMXEXT   (1<< 1) /*   mmx-ext : pentium2, athlon */
171  #define XVID_CPU_SSE      0x00000004   /* sse      : pentium3, athlonXP */  #define XVID_CPU_SSE      (1<< 2) /*       sse : pentium3, athlonXP */
172  #define XVID_CPU_SSE2     0x00000008   /* sse2     : pentium4, athlon64 */  #define XVID_CPU_SSE2     (1<< 3) /*      sse2 : pentium4, athlon64 */
173  #define XVID_CPU_3DNOW    0x00000010   /* 3dnow    : k6-2 */  #define XVID_CPU_3DNOW    (1<< 4) /*     3dnow : k6-2 */
174  #define XVID_CPU_3DNOWEXT 0x00000020   /* 3dnow-ext: athlon */  #define XVID_CPU_3DNOWEXT (1<< 5) /* 3dnow-ext : athlon */
175  #define XVID_CPU_TSC      0x00000040   /* timestamp counter */  #define XVID_CPU_TSC      (1<< 6) /*       tsc : Pentium */
176    /* ARCH_IS_PPC */
177    #define XVID_CPU_ALTIVEC  (1<< 0) /* altivec */
178    
 /* ARCH_IS_IA64 */  
 #define XVID_CPU_IA64     XVID_CPU_ASM /* defined for backward compatibility */  
179    
180  /* ARCH_IS_PPC */  #define XVID_DEBUG_ERROR     (1<< 0)
181  #define XVID_CPU_ALTIVEC  0x00000001   /* altivec */  #define XVID_DEBUG_STARTCODE (1<< 1)
182    #define XVID_DEBUG_HEADER    (1<< 2)
183    #define XVID_DEBUG_TIMECODE  (1<< 3)
184    #define XVID_DEBUG_MB        (1<< 4)
185    #define XVID_DEBUG_COEFF     (1<< 5)
186    #define XVID_DEBUG_MV        (1<< 6)
187    #define XVID_DEBUG_RC        (1<< 7)
188    #define XVID_DEBUG_DEBUG     (1<<31)
189    
190    /* XVID_GBL_INIT param1 */
191    typedef struct {
192            int version;
193            unsigned int cpu_flags; /* [in:opt] zero = autodetect cpu; XVID_CPU_FORCE|{cpu features} = force cpu features */
194            int debug;     /* [in:opt] debug level */
195    } xvid_gbl_init_t;
196    
         typedef struct  
         {  
                 int colorspace;  
                 void * y;  
                 void * u;  
                 void * v;  
                 int y_stride;  
                 int uv_stride;  
         } XVID_IMAGE;      /* from yv12 */  
   
 #define XVID_INIT_INIT    0  
 #define XVID_INIT_CONVERT 1  
 #define XVID_INIT_TEST    2  
197    
198  /*****************************************************************************  /* XVID_GBL_INFO param1 */
199   *  Initialization structures  typedef struct {
200   ****************************************************************************/          int version;
201            int actual_version; /* [out] returns the actual xvidcore version */
202            const char * build; /* [out] if !null, points to description of this xvid core build */
203            unsigned int cpu_flags;      /* [out] detected cpu features */
204            int num_threads;    /* [out] detected number of cpus/threads */
205    } xvid_gbl_info_t;
206    
         typedef struct  
         {  
                 int cpu_flags;  
                 int api_version;  
                 int core_build;  
         } XVID_INIT_PARAM;  
207    
208          typedef struct  /* XVID_GBL_CONVERT param1 */
209          {  typedef struct {
210                  XVID_IMAGE input;          int version;
211                  XVID_IMAGE output;          xvid_image_t input;  /* [in] input image & colorspace */
212                  int width;          xvid_image_t output; /* [in] output image & colorspace */
213                  int height;          int width;           /* [in] width */
214                  int interlacing;          int height;          /* [in] height */
215          } XVID_INIT_CONVERTINFO;          int interlacing;     /* [in] interlacing */
216    } xvid_gbl_convert_t;
217    
 /*****************************************************************************  
  *  Initialization entry point  
  ****************************************************************************/  
218    
219          int xvid_init(void *handle,  #define XVID_GBL_INIT    0 /* initialize xvidcore; must be called before using xvid_decore, or xvid_encore) */
220                                    int opt,  #define XVID_GBL_INFO    1 /* return some info about xvidcore, and the host computer */
221                                    void *param1,  #define XVID_GBL_CONVERT 2 /* colorspace conversion utility */
222                                    void *param2);  
223    extern int xvid_global(void *handle, int opt, void *param1, void *param2);
224    
225    
226  /*****************************************************************************  /*****************************************************************************
227   * Decoder constants   * xvid_decore()
228   ****************************************************************************/   ****************************************************************************/
229    
230  /* Flags for XVID_DEC_FRAME.general */  #define XVID_DEC_CREATE  0 /* create decore instance; return 0 on success */
231  #define XVID_DEC_LOWDELAY      0x00000001 /* decode lowdelay mode (ie. VFW) */  #define XVID_DEC_DESTROY 1 /* destroy decore instance: return 0 on success */
232  #define XVID_DEC_DEBLOCKY      0x00000002 /* luma deblocking */  #define XVID_DEC_DECODE  2 /* decode a frame: returns number of bytes consumed >= 0 */
 #define XVID_DEC_DEBLOCKUV     0x00000008 /* chroma deblocking */  
 #define XVID_DEC_DISCONTINUITY 0x00000004 /* indicates break in stream  
                                              instructs decoder to ignore any  
                                              previous reference frames */  
 #define XVID_QUICK_DECODE      0x00000010  
233    
234  /*****************************************************************************  extern int xvid_decore(void *handle, int opt, void *param1, void *param2);
  * Decoder structures  
  ****************************************************************************/  
235    
236          typedef struct  /* XVID_DEC_CREATE param 1
237          {          image width & height may be specified here when the dimensions are
238                  int width;          known in advance. */
239                  int height;  typedef struct {
240                  void *handle;          int version;
241          } XVID_DEC_PARAM;          int width;     /* [in:opt] image width */
242            int height;    /* [in:opt] image width */
243            void * handle; /* [out]    decore context handle */
244    } xvid_dec_create_t;
245    
246    
247  #define XVID_DEC_VOP     0  /* XVID_DEC_DECODE param1 */
248  #define XVID_DEC_VOL     1  /* general flags */
249  #define XVID_DEC_NOTHING 2 /* nothing was decoded */  #define XVID_LOWDELAY      (1<<0) /* lowdelay mode  */
250    #define XVID_DISCONTINUITY (1<<1) /* indicates break in stream */
251    #define XVID_DEBLOCKY      (1<<2) /* perform luma deblocking */
252    #define XVID_DEBLOCKUV     (1<<3) /* perform chroma deblocking */
253    #define XVID_FILMEFFECT    (1<<4) /* adds film grain */
254    
255    typedef struct {
256            int version;
257            int general;         /* [in:opt] general flags */
258            void *bitstream;     /* [in]     bitstream (read from)*/
259            int length;          /* [in]     bitstream length */
260            xvid_image_t output; /* [in]     output image (written to) */
261    } xvid_dec_frame_t;
262    
263    
264    /* XVID_DEC_DECODE param2 :: optional */
265          typedef struct          typedef struct
266          {          {
267                  int notify;                 /* [out] output 'mode' */          int version;
268                  union  
269                  {          int type;                   /* [out] output data type */
270                          struct /* XVID_DEC_VOP */          union {
271                          {                  struct { /* type>0 {XVID_TYPE_IVOP,XVID_TYPE_PVOP,XVID_TYPE_BVOP,XVID_TYPE_SVOP} */
272                            int general;        /* [out] flags */
273                                  int time_base;      /* [out] time base */                                  int time_base;      /* [out] time base */
274                                  int time_increment; /* [out] time increment */                                  int time_increment; /* [out] time increment */
275    
276                            /* XXX: external deblocking stuff */
277                            int * qscale;       /* [out] pointer to quantizer table */
278                            int qscale_stride;  /* [out] quantizer scale stride */
279    
280                          } vop;                          } vop;
281                          struct /* XVID_DEC_VOL */                  struct {        /* XVID_TYPE_VOL */
282                          {                          int general;        /* [out] flags */
                                 int general;        /* [out] flags: eg. frames are interlaced */  
283                                  int width;          /* [out] width */                                  int width;          /* [out] width */
284                                  int height;         /* [out] height */                                  int height;         /* [out] height */
285                                  int aspect_ratio;   /* [out] aspect ratio */                          int par;            /* [out] pixel aspect ratio (refer to XVID_PAR_xxx above) */
286                                  int par_width;      /* [out] aspect ratio width */                          int par_width;      /* [out] aspect ratio width  [1..255] */
287                                  int par_height;     /* [out] aspect ratio height */                          int par_height;     /* [out] aspect ratio height [1..255] */
288                          } vol;                          } vol;
289                  } data;                  } data;
290          } XVID_DEC_STATS;  } xvid_dec_stats_t;
291    
292    #define XVID_ZONE_QUANT  (1<<0)
293    #define XVID_ZONE_WEIGHT (1<<1)
294    
295          typedef struct          typedef struct
296          {          {
297                  int general;          int frame;
298                  void *bitstream;          int mode;
299                  int length;          int increment;
300            int base;
301    } xvid_enc_zone_t;
302    
                 void *image;  
                 int stride;  
                 int colorspace;  
         } XVID_DEC_FRAME;  
303    
304    /*----------------------------------------------------------------------------
305     * xvid_enc_stats_t structure
306     *
307     * Used in:
308     *  - xvid_plg_data_t structure
309     *  - optional parameter in xvid_encore() function
310     *
311     * .coding_type = XVID_TYPE_NOTHING if the stats are not given
312     *--------------------------------------------------------------------------*/
313    
314          /* This struct is used for per slice rendering */  typedef struct {
315          typedef struct          int version;
         {  
                 void *y,*u,*v;  
                 int stride_y, stride_u,stride_v;  
         } XVID_DEC_PICTURE;  
316    
317            /* encoding parameters */
318            int type;      /* [out] coding type */
319            int quant;     /* [out] frame quantizer */
320            int vol_flags; /* [out] vol flags (see above) */
321            int vop_flags; /* [out] vop flags (see above) */
322    
323  /*****************************************************************************          /* bitrate */
324   * Decoder entry point          int length;    /* [out] frame length */
  ****************************************************************************/  
325    
326  /* decoder options */          int hlength;   /* [out] header length (bytes) */
327  #define XVID_DEC_DECODE  0          int kblks;     /* [out] number of blocks compressed as Intra */
328  #define XVID_DEC_CREATE  1          int mblks;     /* [out] number of blocks compressed as Inter */
329  #define XVID_DEC_DESTROY 2          int ublks;     /* [out] number of blocks marked as not_coded */
   
         int xvid_decore(void *handle,  
                                         int opt,  
                                         void *param1,  
                                         void *param2);  
330    
331            int sse_y;     /* [out] Y plane's sse */
332            int sse_u;     /* [out] U plane's sse */
333            int sse_v;     /* [out] V plane's sse */
334    } xvid_enc_stats_t;
335    
336  /*****************************************************************************  /*****************************************************************************
337   * Encoder constants    xvid plugin system -- internals
  ****************************************************************************/  
   
 /* Flags for XVID_ENC_PARAM.global */  
 #define XVID_GLOBAL_PACKED      0x00000001 /* packed bitstream */  
 #define XVID_GLOBAL_DX50BVOP    0x00000002 /* dx50 bvop compatibility */  
 #define XVID_GLOBAL_DEBUG       0x00000004 /* print debug info on each frame */  
 #define XVID_GLOBAL_REDUCED     0x04000000 /* reduced resolution vop enable */  
   
 #define XVID_GLOBAL_EXTRASTATS  0x00000200 /* generate extra statistics */  
338    
339      xvidcore will call XVID_PLG_INFO and XVID_PLG_CREATE during XVID_ENC_CREATE
340      before encoding each frame xvidcore will call XVID_PLG_BEFORE
341      after encoding each frame xvidcore will call XVID_PLG_AFTER
342      xvidcore will call XVID_PLG_DESTROY during XVID_ENC_DESTROY
343     ****************************************************************************/
344    
 /* Flags for XVID_ENC_FRAME.general */  
 #define XVID_VALID_FLAGS        0x80000000  
345    
346  #define XVID_CUSTOM_QMATRIX     0x00000004 /* use custom quant matrix */  #define XVID_PLG_CREATE  (1<<0)
347  #define XVID_H263QUANT          0x00000010  #define XVID_PLG_DESTROY (1<<1)
348  #define XVID_MPEGQUANT          0x00000020  #define XVID_PLG_INFO    (1<<2)
349  #define XVID_HALFPEL            0x00000040 /* use halfpel interpolation */  #define XVID_PLG_BEFORE  (1<<3)
350  #define XVID_QUARTERPEL         0x02000000  #define XVID_PLG_FRAME   (1<<4)
351  #define XVID_ADAPTIVEQUANT      0x00000080  #define XVID_PLG_AFTER   (1<<5)
 #define XVID_LUMIMASKING        0x00000100  
352    
353  #define XVID_INTERLACING        0x00000400 /* enable interlaced encoding */  /* xvid_plg_info_t.flags */
354  #define XVID_TOPFIELDFIRST      0x00000800 /* set top-field-first flag  */  #define XVID_REQORIGINAL (1<<0) /* plugin requires a copy of the original (uncompressed) image */
355  #define XVID_ALTERNATESCAN      0x00001000 /* set alternate vertical scan flag */  #define XVID_REQPSNR     (1<<1) /* plugin requires psnr between the uncompressed and compressed image*/
356    #define XVID_REQDQUANTS  (1<<2) /* plugin requires access to the dquant table */
357    
 #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) */  
358    
359  #define XVID_INTER4V            0x00008000  typedef struct
360    {
361            int version;
362            int flags;   /* [in:opt] plugin flags */
363    } xvid_plg_info_t;
364    
 #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  
365    
366  #define XVID_CHROMAOPT          0x00200000 /* enable chroma optimization pre-filter */  typedef struct
367    {
368            int version;
369    
370  #define XVID_GREYSCALE          0x01000000 /* enable greyscale only mode (even for          int num_zones;           /* [out] */
371                                                color input material chroma is ignored) */          xvid_enc_zone_t * zones; /* [out] */
372    
373  #define XVID_GMC                0x10000000          int width;               /* [out] */
374  #define XVID_GMC_TRANSLATIONAL  0x20000000          int height;              /* [out] */
375            int mb_width;            /* [out] */
376            int mb_height;           /* [out] */
377            int fincr;               /* [out] */
378            int fbase;               /* [out] */
379    
380  #define XVID_REDUCED            0x04000000 /* reduced resolution vop */          void * param;            /* [out] */
381  #define XVID_HQACPRED           0x08000000 /* 20030209: high quality ac prediction */  } xvid_plg_create_t;
382    
 #define XVID_EXTRASTATS         0x00000200 /* generate extra statistics */  
383    
384  #define XVID_MODEDECISION_BITS  0x00400000 /* enable DCT-ME and use it for mode decision */  typedef struct
385    {
386            int version;
387    
388            int num_frames; /* [out] total frame encoded */
389    } xvid_plg_destroy_t;
390    
391  /* Flags for XVID_ENC_FRAME.motion */  typedef struct
392  #define PMV_ADVANCEDDIAMOND16   0x00008000 /* use advdiamonds instead of diamonds as search pattern */  {
393  #define PMV_USESQUARES16        0x00800000 /* use squares instead of diamonds as search pattern */          int version;
394    
395  #define PMV_HALFPELREFINE16     0x00020000          xvid_enc_zone_t * zone; /* [out] current zone */
 #define PMV_HALFPELREFINE8      0x02000000  
396    
397  #define PMV_QUARTERPELREFINE16  0x00040000          int width;              /* [out] */
398  #define PMV_QUARTERPELREFINE8   0x04000000          int height;             /* [out] */
399            int mb_width;           /* [out] */
400            int mb_height;          /* [out] */
401            int fincr;              /* [out] */
402            int fbase;              /* [out] */
403    
404  #define PMV_EXTSEARCH16         0x00080000 /* extend PMV by more searches */          int min_quant[3];       /* [out] */
405            int max_quant[3];       /* [out] */
406    
407  #define PMV_EXTSEARCH8          0x08000000 /* use diamond/square for extended 8x8 search */          xvid_image_t reference; /* [out] -> [out] */
408  #define PMV_ADVANCEDDIAMOND8    0x00004000 /* use advdiamond for PMV_EXTSEARCH8 */          xvid_image_t current;   /* [out] -> [in,out] */
409  #define PMV_USESQUARES8         0x80000000 /* use square for PMV_EXTSEARCH8 */          xvid_image_t original;  /* [out] after: points the original (uncompressed) copy of the current frame */
410            int frame_num;          /* [out] frame number */
411    
412  #define PMV_CHROMA16            0x00100000 /* also use chroma for P_VOP/S_VOP ME */          int type;               /* [in,out] */
413  #define PMV_CHROMA8             0x10000000 /* also use chroma for B_VOP ME */          int quant;              /* [in,out] */
414    
415  /* Motion search using DCT. use XVID_MODEDECISION_BITS to enable */          int * dquant;           /* [in,out]     pointer to diff quantizer table */
416  #define HALFPELREFINE16_BITS    0x00000100 /* perform DCT-based halfpel refinement */          int dquant_stride;      /* [in,out]     diff quantizer stride */
 #define HALFPELREFINE8_BITS     0x00000200 /* perform DCT-based halfpel refinement for 8x8 mode */  
 #define QUARTERPELREFINE16_BITS 0x00000400 /* perform DCT-based qpel refinement */  
 #define QUARTERPELREFINE8_BITS  0x00000800 /* perform DCT-based qpel refinement for 8x8 mode */  
417    
418  #define EXTSEARCH_BITS          0x00001000 /* perform DCT-based search using square pattern          int vop_flags;          /* [in,out] */
419                                                enable PMV_EXTSEARCH8 to do this in 8x8 search as well */          int vol_flags;          /* [in,out] */
420  #define CHECKPREDICTION_BITS    0x00002000 /* always check vector equal to prediction */          int motion_flags;       /* [in,out] */
421    
422    /* Deprecated, use the stats field instead.
423     * Will disapear before 1.0 */
424            int length;             /* [out] after: length of encoded frame */
425            int kblks;              /* [out] number of blocks compressed as Intra */
426            int mblks;              /* [out] number of blocks compressed as Inter */
427            int ublks;              /* [out] number of blocks marked not_coded */
428            int sse_y;              /* [out] Y plane's sse */
429            int sse_u;              /* [out] U plane's sse */
430            int sse_v;              /* [out] V plane's sse */
431    /* End of duplicated data, kept only for binary compatibility */
432    
433  /* note: old and deprecated - or never implemented */          int bquant_ratio;       /* [in] */
434            int bquant_offset;      /* [in] */
435    
436  /* only for compatability with old encoders */          xvid_enc_stats_t stats; /* [out] frame statistics */
437    } xvid_plg_data_t;
438    
439  #define PMV_EARLYSTOP16         0x00  /*****************************************************************************
440  #define PMV_EARLYSTOP8          0x00    xvid plugin system -- external
 #define PMV_QUICKSTOP16         0x00  
 #define PMV_QUICKSTOP8          0x00  
441    
442  #define PMV_HALFPELDIAMOND16    0x00    the application passes xvid an array of "xvid_plugin_t" at XVID_ENC_CREATE. the array
443  #define PMV_HALFPELDIAMOND8     0x00    indicates the plugin function pointer and plugin-specific data.
444      xvidcore handles the rest. example:
445    
446  #define PMV_UNRESTRICTED16      0x00200000 /* unrestricted ME, not implemented */    xvid_enc_create_t create;
447  #define PMV_OVERLAPPING16       0x00400000 /* overlapping ME, not implemented */    xvid_enc_plugin_t plugins[2];
 #define PMV_UNRESTRICTED8       0x20000000 /* unrestricted ME, not implemented */  
 #define PMV_OVERLAPPING8        0x40000000 /* overlapping ME, not implemented */  
448    
449  #define XVID_ME_COLOUR          0x00       /* this has been converted to PMV_CHROMA[16/8] */    plugins[0].func = xvid_psnr_func;
450      plugins[0].param = NULL;
451      plugins[1].func = xvid_cbr_func;
452      plugins[1].param = &cbr_data;
453    
454      create.num_plugins = 2;
455      create.plugins = plugins;
456    
 /*****************************************************************************  
  * Encoder structures  
457   ****************************************************************************/   ****************************************************************************/
458    
459          typedef struct  typedef int (xvid_plugin_func)(void * handle, int opt, void * param1, void * param2);
         {  
                 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;  
460    
461          typedef struct          typedef struct
462          {          {
463                  int x;          xvid_plugin_func * func;
464                  int y;          void * param;
465          } VECTOR;  } xvid_enc_plugin_t;
466    
         typedef struct  
         {  
                 int mode;      /* macroblock mode */  
                 VECTOR mvs[4];  
         } MVBLOCKHINT;  
467    
468          typedef struct  extern xvid_plugin_func xvid_plugin_single;   /* single-pass rate control */
469          {  extern xvid_plugin_func xvid_plugin_2pass1;   /* two-pass rate control: first pass */
470                  int intra;          /* frame intra choice */  extern xvid_plugin_func xvid_plugin_2pass2;   /* two-pass rate control: second pass */
                 int fcode;          /* frame fcode */  
                 MVBLOCKHINT *block; /* caller-allocated array of block hints (mb_width * mb_height) */  
         } MVFRAMEHINT;  
471    
472          typedef struct  extern xvid_plugin_func xvid_plugin_lumimasking;  /* lumimasking */
473          {  
474                  int rawhints;       /* if set, use MVFRAMEHINT, else use compressed buffer */  extern xvid_plugin_func xvid_plugin_psnr;       /* write psnr values to stdout */
475    extern xvid_plugin_func xvid_plugin_dump;       /* dump before and after yuvpgms */
476    
                 MVFRAMEHINT mvhint;  
                 void *hintstream;   /* compressed hint buffer */  
                 int hintlength;     /* length of buffer (bytes) */  
         } HINTINFO;  
477    
478    /* single pass rate control
479     * CBR and Constant quantizer modes */
480          typedef struct          typedef struct
481          {          {
482                  int general;                       /* [in] general options */          int version;
                 int motion;                        /* [in] ME options */  
                 void *bitstream;                   /* [in] bitstream ptr */  
                 int length;                        /* [out] bitstream length (bytes) */  
483    
484                  void *image;                       /* [in] image ptr */          int bitrate;               /* [in] bits per second */
485                  int stride;                        /* [in] horizontal stride in bytes */          int reaction_delay_factor; /* [in] */
486                  int colorspace;                    /* [in] source colorspace */          int averaging_period;      /* [in] */
487            int buffer;                /* [in] */
488                  unsigned char *quant_intra_matrix; /* [in] custom intra qmatrix */  } xvid_plugin_single_t;
                 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 */  
489    
                 int bquant;                        /* [in] bframe quantizer */  
                 int bframe_threshold;                      /* [in] sensitivity of B-frame decision */  
490    
491          } XVID_ENC_FRAME;  typedef struct {
492            int version;
493    
494            char * filename;
495    } xvid_plugin_2pass1_t;
496    
         typedef struct  
         {  
                 int quant;   /* [out] frame quantizer */  
                 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;  
497    
498    #define XVID_PAYBACK_BIAS 0 /* payback with bias */
499    #define XVID_PAYBACK_PROP 1 /* payback proportionally */
500    
501    typedef struct {
502            int version;
503    
504            int bitrate;                  /* [in] bits per second */
505            char * filename;              /* [in] first pass stats filename */
506    
507            int keyframe_boost;           /* [in] keyframe boost percentage: [0..100] */
508            int curve_compression_high;   /* [in] percentage of compression performed on the high part of the curve (above average) */
509            int curve_compression_low;    /* [in] percentage of compression performed on the low  part of the curve (below average) */
510            int overflow_control_strength;/* [in] Payback delay expressed in number of frames */
511            int max_overflow_improvement; /* [in] percentage of allowed range for a frame that gets bigger because of overflow bonus */
512            int max_overflow_degradation; /* [in] percentage of allowed range for a frame that gets smaller because of overflow penalty */
513    
514            int kfreduction;              /* [in] maximum bitrate reduction applied to an iframe under the kfthreshold distance limit */
515            int kfthreshold;              /* [in] if an iframe is closer to the next iframe than this distance, a quantity of bits
516                                                                       *      is substracted from its bit allocation. The reduction is computed as multiples of
517                                                                       *      kfreduction/kthreshold. It reaches kfreduction when the distance == kfthreshold,
518                                                                       *      0 for 1<distance<kfthreshold */
519    
520            int container_frame_overhead; /* [in] How many bytes the controller has to compensate per frame due to container format overhead */
521    }xvid_plugin_2pass2_t;
522    
523  /*****************************************************************************  /*****************************************************************************
524   * Encoder entry point   *                             ENCODER API
525   ****************************************************************************/   ****************************************************************************/
526    
527  /* Encoder options */  /*----------------------------------------------------------------------------
528  #define XVID_ENC_ENCODE  0   * Encoder operations
529  #define XVID_ENC_CREATE  1   *--------------------------------------------------------------------------*/
530  #define XVID_ENC_DESTROY 2  
531    #define XVID_ENC_CREATE  0 /* create encoder instance; returns 0 on success */
532          int xvid_encore(void *handle,  #define XVID_ENC_DESTROY 1 /* destroy encoder instance; returns 0 on success */
533                                          int opt,  #define XVID_ENC_ENCODE  2 /* encode a frame: returns number of ouput bytes
534                                          void *param1,                              * 0 means this frame should not be written (ie. encoder lag) */
535                                          void *param2);  
536    
537    /*----------------------------------------------------------------------------
538     * Encoder entry point
539     *--------------------------------------------------------------------------*/
540    
541    extern int xvid_encore(void *handle, int opt, void *param1, void *param2);
542    
543    /* Quick API reference
544     *
545     * XVID_ENC_CREATE operation
546     *  - handle: ignored
547     *  - opt: XVID_ENC_CREATE
548     *  - param1: address of a xvid_enc_create_t structure
549     *  - param2: ignored
550     *
551     * XVID_ENC_ENCODE operation
552     *  - handle: an instance returned by a CREATE op
553     *  - opt: XVID_ENC_ENCODE
554     *  - param1: address of a xvid_enc_frame_t structure
555     *  - param2: address of a xvid_enc_stats_t structure (optional)
556     *            its return value is asynchronous to what is written to the buffer
557     *            depending on the delay introduced by bvop use. It's display
558     *            ordered.
559     *
560     * XVID_ENC_DESTROY operation
561     *  - handle: an instance returned by a CREATE op
562     *  - opt: XVID_ENC_DESTROY
563     *  - param1: ignored
564     *  - param2: ignored
565     */
566    
567    
568    /*----------------------------------------------------------------------------
569     * "Global" flags
570     *
571     * These flags are used for xvid_enc_create_t->global field during instance
572     * creation (operation XVID_ENC_CREATE)
573     *--------------------------------------------------------------------------*/
574    
575    #define XVID_GLOBAL_PACKED            (1<<0) /* packed bitstream */
576    #define XVID_GLOBAL_CLOSED_GOP        (1<<1) /* closed_gop:     was DX50BVOP dx50 bvop compatibility */
577    #define XVID_GLOBAL_EXTRASTATS_ENABLE (1<<2)
578    #if 0
579    #define XVID_GLOBAL_VOL_AT_IVOP       (1<<3) /* write vol at every ivop: WIN32/divx compatibility */
580    #define XVID_GLOBAL_FORCE_VOL         (1<<4) /* when vol-based parameters are changed, insert an ivop NOT recommended */
581    #endif
582    
583    
584    /*----------------------------------------------------------------------------
585     * "VOL" flags
586     *
587     * These flags are used for xvid_enc_frame_t->vol_flags field during frame
588     * encoding (operation XVID_ENC_ENCODE)
589     *--------------------------------------------------------------------------*/
590    
591    #define XVID_VOL_MPEGQUANT      (1<<0) /* enable MPEG type quantization */
592    #define XVID_VOL_EXTRASTATS     (1<<1) /* enable plane sse stats */
593    #define XVID_VOL_QUARTERPEL     (1<<2) /* enable quarterpel: frames will encoded as quarterpel */
594    #define XVID_VOL_GMC            (1<<3) /* enable GMC; frames will be checked for gmc suitability */
595    #define XVID_VOL_REDUCED_ENABLE (1<<4) /* enable reduced resolution vops: frames will be checked for rrv suitability */
596    #define XVID_VOL_INTERLACING    (1<<5) /* enable interlaced encoding */
597    
598    
599    /*----------------------------------------------------------------------------
600     * "VOP" flags
601     *
602     * These flags are used for xvid_enc_frame_t->vop_flags field during frame
603     * encoding (operation XVID_ENC_ENCODE)
604     *--------------------------------------------------------------------------*/
605    
606    /* Always valid */
607    #define XVID_VOP_DEBUG                (1<< 0) /* print debug messages in frames */
608    #define XVID_VOP_HALFPEL              (1<< 1) /* use halfpel interpolation */
609    #define XVID_VOP_INTER4V              (1<< 2) /* use 4 motion vectors per MB */
610    #define XVID_VOP_TRELLISQUANT         (1<< 3) /* use trellis based R-D "optimal" quantization */
611    #define XVID_VOP_CHROMAOPT            (1<< 4) /* enable chroma optimization pre-filter */
612    #define XVID_VOP_CARTOON              (1<< 5) /* use 'cartoon mode' */
613    #define XVID_VOP_GREYSCALE            (1<< 6) /* enable greyscale only mode (even for  color input material chroma is ignored) */
614    #define XVID_VOP_HQACPRED             (1<< 7) /* high quality ac prediction */
615    #define XVID_VOP_MODEDECISION_RD      (1<< 8) /* enable DCT-ME and use it for mode decision */
616    #define XVID_VOP_FAST_MODEDECISION_RD (1<<12) /* use simplified R-D mode decision */
617    
618    /* Only valid for vol_flags|=XVID_VOL_INTERLACING */
619    #define XVID_VOP_TOPFIELDFIRST        (1<< 9) /* set top-field-first flag  */
620    #define XVID_VOP_ALTERNATESCAN        (1<<10) /* set alternate vertical scan flag */
621    
622    /* only valid for vol_flags|=XVID_VOL_REDUCED_ENABLED */
623    #define XVID_VOP_REDUCED              (1<<11) /* reduced resolution vop */
624    
625    
626    /*----------------------------------------------------------------------------
627     * "Motion" flags
628     *
629     * These flags are used for xvid_enc_frame_t->motion field during frame
630     * encoding (operation XVID_ENC_ENCODE)
631     *--------------------------------------------------------------------------*/
632    
633    /* Motion Estimation Search Patterns */
634    #define XVID_ME_ADVANCEDDIAMOND16     (1<< 0) /* use advdiamonds instead of diamonds as search pattern */
635    #define XVID_ME_ADVANCEDDIAMOND8      (1<< 1) /* use advdiamond for XVID_ME_EXTSEARCH8 */
636    #define XVID_ME_USESQUARES16          (1<< 2) /* use squares instead of diamonds as search pattern */
637    #define XVID_ME_USESQUARES8           (1<< 3) /* use square for XVID_ME_EXTSEARCH8 */
638    
639    /* SAD operator based flags */
640    #define XVID_ME_HALFPELREFINE16       (1<< 4)
641    #define XVID_ME_HALFPELREFINE8        (1<< 6)
642    #define XVID_ME_QUARTERPELREFINE16    (1<< 7)
643    #define XVID_ME_QUARTERPELREFINE8     (1<< 8)
644    #define XVID_ME_GME_REFINE            (1<< 9)
645    #define XVID_ME_EXTSEARCH16           (1<<10) /* extend PMV by more searches */
646    #define XVID_ME_EXTSEARCH8            (1<<11) /* use diamond/square for extended 8x8 search */
647    #define XVID_ME_CHROMA_PVOP           (1<<12) /* also use chroma for P_VOP/S_VOP ME */
648    #define XVID_ME_CHROMA_BVOP           (1<<13) /* also use chroma for B_VOP ME */
649    #define XVID_ME_FASTREFINE16          (1<<25) /* use low-complexity refinement functions */
650    #define XVID_ME_FASTREFINE8           (1<<29) /* low-complexity 8x8 sub-block refinement */
651    
652    /* Rate Distortion based flags
653     * Valid when XVID_VOP_MODEDECISION_RD is enabled */
654    #define XVID_ME_HALFPELREFINE16_RD    (1<<14) /* perform RD-based halfpel refinement */
655    #define XVID_ME_HALFPELREFINE8_RD     (1<<15) /* perform RD-based halfpel refinement for 8x8 mode */
656    #define XVID_ME_QUARTERPELREFINE16_RD (1<<16) /* perform RD-based qpel refinement */
657    #define XVID_ME_QUARTERPELREFINE8_RD  (1<<17) /* perform RD-based qpel refinement for 8x8 mode */
658    #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 */
659    #define XVID_ME_CHECKPREDICTION_RD    (1<<19) /* always check vector equal to prediction */
660    
661    /* Other */
662    #define XVID_ME_DETECT_STATIC_MOTION  (1<<24) /* speed-up ME by detecting stationary scenes */
663    #define XVID_ME_SKIP_DELTASEARCH      (1<<26) /* speed-up by skipping b-frame delta search */
664    #define XVID_ME_FAST_MODEINTERPOLATE  (1<<27) /* speed-up by partly skipping interpolate mode */
665    #define XVID_ME_BFRAME_EARLYSTOP      (1<<28) /* speed-up by early exiting b-search */
666    
667    /* Unused */
668    #define XVID_ME_UNRESTRICTED16        (1<<20) /* unrestricted ME, not implemented */
669    #define XVID_ME_OVERLAPPING16         (1<<21) /* overlapping ME, not implemented */
670    #define XVID_ME_UNRESTRICTED8         (1<<22) /* unrestricted ME, not implemented */
671    #define XVID_ME_OVERLAPPING8          (1<<23) /* overlapping ME, not implemented */
672    
673    
674    /*----------------------------------------------------------------------------
675     * xvid_enc_create_t structure definition
676     *
677     * This structure is passed as param1 during an instance creation (operation
678     * XVID_ENC_CREATE)
679     *--------------------------------------------------------------------------*/
680    
681    typedef struct {
682            int version;
683    
684            int profile;                 /* [in] profile@level; refer to XVID_PROFILE_xxx */
685            int width;                   /* [in] frame dimensions; width, pixel units */
686            int height;                  /* [in] frame dimensions; height, pixel units */
687    
688            int num_zones;               /* [in:opt] number of bitrate zones */
689            xvid_enc_zone_t * zones;     /*          ^^ zone array */
690    
691            int num_plugins;             /* [in:opt] number of plugins */
692            xvid_enc_plugin_t * plugins; /*          ^^ plugin array */
693    
694            int num_threads;             /* [in:opt] number of threads */
695            int max_bframes;             /* [in:opt] max sequential bframes (0=disable bframes) */
696    
697            int global;                  /* [in:opt] global flags; controls encoding behavior */
698    
699            /* --- vol-based stuff; included here for convenience */
700            int fincr;                   /* [in:opt] framerate increment; set to zero for variable framerate */
701            int fbase;                   /* [in] framerate base frame_duration = fincr/fbase seconds*/
702        /* ---------------------------------------------- */
703    
704            /* --- vop-based; included here for convenience */
705            int max_key_interval;        /* [in:opt] the maximum interval between key frames */
706    
707            int frame_drop_ratio;        /* [in:opt] frame dropping: 0=drop none... 100=drop all */
708    
709            int bquant_ratio;            /* [in:opt] bframe quantizer multipier/offeset; used to decide bframes quant when bquant==-1 */
710            int bquant_offset;           /* bquant = (avg(past_ref_quant,future_ref_quant)*bquant_ratio + bquant_offset) / 100 */
711    
712            int min_quant[3];            /* [in:opt] */
713            int max_quant[3];            /* [in:opt] */
714            /* ---------------------------------------------- */
715    
716            void *handle;                /* [out] encoder instance handle */
717    } xvid_enc_create_t;
718    
719    
720    /*----------------------------------------------------------------------------
721     * xvid_enc_frame_t structure definition
722     *
723     * This structure is passed as param1 during a frame encoding (operation
724     * XVID_ENC_ENCODE)
725     *--------------------------------------------------------------------------*/
726    
727    /* out value for the frame structure->type field
728     * unlike stats output in param2, this field is not asynchronous and tells
729     * the client app, if the frame written into the stream buffer is an ivop
730     * usually used for indexing purpose in the container */
731    #define XVID_KEYFRAME (1<<1)
732    
733    /* The structure */
734    typedef struct {
735            int version;
736    
737            /* VOL related stuff
738             * unless XVID_FORCEVOL is set, the encoder will not react to any changes
739             * here until the next VOL (keyframe). */
740    
741            int vol_flags;                     /* [in] vol flags */
742            unsigned char *quant_intra_matrix; /* [in:opt] custom intra qmatrix */
743            unsigned char *quant_inter_matrix; /* [in:opt] custom inter qmatrix */
744    
745            int par;                           /* [in:opt] pixel aspect ratio (refer to XVID_PAR_xxx above) */
746            int par_width;                     /* [in:opt] aspect ratio width */
747            int par_height;                    /* [in:opt] aspect ratio height */
748    
749            /* Other fields that can change on a frame base */
750    
751            int fincr;                         /* [in:opt] framerate increment, for variable framerate only */
752            int vop_flags;                     /* [in] (general)vop-based flags */
753            int motion;                        /* [in] ME options */
754    
755            xvid_image_t input;                /* [in] input image (read from) */
756    
757            int type;                          /* [in:opt] coding type */
758            int quant;                         /* [in] frame quantizer; if <=0, automatic (ratecontrol) */
759            int bframe_threshold;
760    
761            void *bitstream;                   /* [in:opt] bitstream ptr (written to)*/
762            int length;                        /* [in:opt] bitstream length (bytes) */
763    
764            int out_flags;                     /* [out] bitstream output flags */
765    } xvid_enc_frame_t;
766    
767  #ifdef __cplusplus  #ifdef __cplusplus
768  }  }

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