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revision 199, Thu Jun 13 12:42:18 2002 UTC revision 1437, Sun Apr 18 07:55:11 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     *  Copyright(C) 2001-2004 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
10  *  the Free Software Foundation ; either version 2 of the License, or  *  the Free Software Foundation ; either version 2 of the License, or
# Line 17  Line 19 
19  *  along with this program ; if not, write to the Free Software  *  along with this program ; if not, write to the Free Software
20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  *  *
22  *****************************************************************************/   * $Id: xvid.h,v 1.38 2004-04-18 07:55:11 syskin Exp $
 /*****************************************************************************  
 *  
 *  History  
 *  
 *  - 2002/06/13 Added legal header, ANSI C comment style (only for this header  
 *               as it can be included in a ANSI C project).  
23  *  *
24  *               ToDo ? : when BFRAMES is defined, the API_VERSION should not   ****************************************************************************/
 *                        be the same (3.0 ?)  
 *  
 *  $Id: xvid.h,v 1.10 2002-06-13 12:42:18 edgomez Exp $  
 *  
 *****************************************************************************/  
   
25    
26  #ifndef _XVID_H_  #ifndef _XVID_H_
27  #define _XVID_H_  #define _XVID_H_
28    
29    
30  #ifdef __cplusplus  #ifdef __cplusplus
31  *  $Id: xvid.h,v 1.10 2002-06-13 12:42:18 edgomez Exp $  extern "C" {
32  #endif  #endif
33    
34  /*****************************************************************************  /*****************************************************************************
35   * Global constants   * versioning
36   ****************************************************************************/   ****************************************************************************/
37    
38  /* API Version : 2.1 */  /* versioning
39  #define API_VERSION ((2 << 16) | (1))          version takes the form "$major.$minor.$patch"
40            $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  /* Error codes */          XVID_UNSTABLE is defined only during development.
49  #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  
 #define XVID_CSP_YV12   1  
 #define XVID_CSP_YUY2   2  
 #define XVID_CSP_UYVY   3  
 #define XVID_CSP_I420   4  
 #define XVID_CSP_RGB555 10  
 #define XVID_CSP_RGB565 11  
 #define XVID_CSP_USER   12  
 #define XVID_CSP_EXTERN      1004  // per slice rendering  
 #define XVID_CSP_YVYU   1002  
 #define XVID_CSP_RGB32  1000  
 #define XVID_CSP_NULL   9999  
50    
51  #define XVID_CSP_VFLIP  0x80000000      // flip mask  #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(1,1,-127)
61    #define XVID_API                 XVID_MAKE_API(4, 0)
62    
63    #define XVID_UNSTABLE
64    
65    /* Bitstream Version
66     * this will be writen into the bitstream to allow easy detection of xvid
67     * encoder bugs in the decoder, without this it might not possible to
68     * automatically distinquish between a file which has been encoded with an
69     * old & buggy XVID from a file which has been encoded with a bugfree version
70     * see the infamous interlacing bug ...
71     *
72     * this MUST be increased if an encoder bug is fixed, increasing it too often
73     * doesnt hurt but not increasing it could cause difficulty for decoders in the
74     * future
75     */
76    #define XVID_BS_VERSION "0031"
77    
78    
79  /*****************************************************************************  /*****************************************************************************
80     * error codes
81   ****************************************************************************/   ****************************************************************************/
82    
83  /* CPU flags for XVID_INIT_PARAM.cpu_flags */          /*      all functions return values <0 indicate error */
84    
85    #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    
 #define XVID_CPU_MMX            0x00000001  
 #define XVID_CPU_MMXEXT         0x00000002  
 #define XVID_CPU_SSE            0x00000004  
 #define XVID_CPU_SSE2           0x00000008  
 #define XVID_CPU_3DNOW          0x00000010  
 #define XVID_CPU_3DNOWEXT       0x00000020  
   
 #define XVID_CPU_TSC            0x00000040  
 #define XVID_CPU_IA64           0x00000080  
   
 #define XVID_CPU_CHKONLY        0x40000000              /* check cpu only; dont init globals */  
 #define XVID_CPU_FORCE          0x80000000  
   
   
  *  Initialization structures  
                 int cpu_flags;  
                 int api_version;  
                 int core_build;  
         }  
         XVID_INIT_PARAM;  
92    
93  /*****************************************************************************  /*****************************************************************************
94   *  Initialization entry point   * xvid_image_t
95   ****************************************************************************/   ****************************************************************************/
96    
97          int xvid_init(void *handle,  /* colorspace values */
98                                    int opt,  
99                                    void *param1,  #define XVID_CSP_PLANAR   (1<< 0) /* 4:2:0 planar (==I420, except for pointers/strides) */
100                                    void *param2);  #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   * Decoder constants   * xvid_global()
162   ****************************************************************************/   ****************************************************************************/
163    
164  /* Flags for XVID_DEC_FRAME.general */  /* cpu_flags definitions (make sure to sync this with cpuid.asm for ia32) */
165  #define XVID_QUICK_DECODE               0x00000010  
166    #define XVID_CPU_FORCE    (1<<31) /* force passed cpu flags */
167    #define XVID_CPU_ASM      (1<< 7) /* native assembly */
168    /* ARCH_IS_IA32 */
169    #define XVID_CPU_MMX      (1<< 0) /*       mmx : pentiumMMX,k6 */
170    #define XVID_CPU_MMXEXT   (1<< 1) /*   mmx-ext : pentium2, athlon */
171    #define XVID_CPU_SSE      (1<< 2) /*       sse : pentium3, athlonXP */
172    #define XVID_CPU_SSE2     (1<< 3) /*      sse2 : pentium4, athlon64 */
173    #define XVID_CPU_3DNOW    (1<< 4) /*     3dnow : k6-2 */
174    #define XVID_CPU_3DNOWEXT (1<< 5) /* 3dnow-ext : athlon */
175    #define XVID_CPU_TSC      (1<< 6) /*       tsc : Pentium */
176    /* ARCH_IS_PPC */
177    #define XVID_CPU_ALTIVEC  (1<< 0) /* altivec */
178    
179    
180    #define XVID_DEBUG_ERROR     (1<< 0)
181    #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    
197    
198    /* XVID_GBL_INFO param1 */
199    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    
207    
208    /* XVID_GBL_CONVERT param1 */
209    typedef struct {
210            int version;
211            xvid_image_t input;  /* [in] input image & colorspace */
212            xvid_image_t output; /* [in] output image & colorspace */
213            int width;           /* [in] width */
214            int height;          /* [in] height */
215            int interlacing;     /* [in] interlacing */
216    } xvid_gbl_convert_t;
217    
218    
219    #define XVID_GBL_INIT    0 /* initialize xvidcore; must be called before using xvid_decore, or xvid_encore) */
220    #define XVID_GBL_INFO    1 /* return some info about xvidcore, and the host computer */
221    #define XVID_GBL_CONVERT 2 /* colorspace conversion utility */
222    
223    extern int xvid_global(void *handle, int opt, void *param1, void *param2);
224    
225    
226  /*****************************************************************************  /*****************************************************************************
227   * Decoder structures   * xvid_decore()
228   ****************************************************************************/   ****************************************************************************/
229    
230          typedef struct  #define XVID_DEC_CREATE  0 /* create decore instance; return 0 on success */
231          {  #define XVID_DEC_DESTROY 1 /* destroy decore instance: return 0 on success */
232                  int width;  #define XVID_DEC_DECODE  2 /* decode a frame: returns number of bytes consumed >= 0 */
233                  int height;  
234                  void *handle;  extern int xvid_decore(void *handle, int opt, void *param1, void *param2);
235          }  
236          XVID_DEC_PARAM;  /* XVID_DEC_CREATE param 1
237            image width & height may be specified here when the dimensions are
238            known in advance. */
239    typedef struct {
240            int version;
241            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    /* XVID_DEC_DECODE param1 */
248    /* general flags */
249    #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    #define XVID_DERINGUV      (1<<5) /* perform chroma deringing, requires deblocking to work */
255    #define XVID_DERINGY       (1<<6) /* perform luma deringing, requires deblocking to work */
256    
257    #define XVID_DEC_FAST      (1<<29) /* disable postprocessing to decrease cpu usage *todo* */
258    #define XVID_DEC_DROP      (1<<30) /* drop bframes to decrease cpu usage *todo* */
259    #define XVID_DEC_PREROLL   (1<<31) /* decode as fast as you can, don't even show output *todo* */
260    
261    typedef struct {
262            int version;
263            int general;         /* [in:opt] general flags */
264            void *bitstream;     /* [in]     bitstream (read from)*/
265            int length;          /* [in]     bitstream length */
266            xvid_image_t output; /* [in]     output image (written to) */
267    /* ------- v1.1.0 ------- */
268            int brightness;          /* [in]         brightness offset (0=none) */
269    } xvid_dec_frame_t;
270    
271    
272    /* XVID_DEC_DECODE param2 :: optional */
273          typedef struct          typedef struct
274          {          {
275                  int general;          int version;
                 void *bitstream;  
                 int length;  
   
                 void *image;  
                 int stride;  
                 int colorspace;  
         }  
         XVID_DEC_FRAME;  
276    
277            int type;                   /* [out] output data type */
278            union {
279                    struct { /* type>0 {XVID_TYPE_IVOP,XVID_TYPE_PVOP,XVID_TYPE_BVOP,XVID_TYPE_SVOP} */
280                            int general;        /* [out] flags */
281                            int time_base;      /* [out] time base */
282                            int time_increment; /* [out] time increment */
283    
284                            /* XXX: external deblocking stuff */
285                            int * qscale;       /* [out] pointer to quantizer table */
286                            int qscale_stride;  /* [out] quantizer scale stride */
287    
288                    } vop;
289                    struct {        /* XVID_TYPE_VOL */
290                            int general;        /* [out] flags */
291                            int width;          /* [out] width */
292                            int height;         /* [out] height */
293                            int par;            /* [out] pixel aspect ratio (refer to XVID_PAR_xxx above) */
294                            int par_width;      /* [out] aspect ratio width  [1..255] */
295                            int par_height;     /* [out] aspect ratio height [1..255] */
296                    } vol;
297            } data;
298    } xvid_dec_stats_t;
299    
300    #define XVID_ZONE_QUANT  (1<<0)
301    #define XVID_ZONE_WEIGHT (1<<1)
302    
         // This struct is used for per slice rendering  
303          typedef struct          typedef struct
304          {          {
305                  void *y,*u,*v;          int frame;
306                  int stride_y, stride_u,stride_v;          int mode;
307          } XVID_DEC_PICTURE;          int increment;
308            int base;
309  #define XVID_DEC_DESTROY        2  } xvid_enc_zone_t;
   
         int xvid_decore(void *handle,  
                                         int opt,  
                                         void *param1,  
                                         void *param2);  
310    
311    
312  /*****************************************************************************  /*----------------------------------------------------------------------------
313   * Encoder constants   * xvid_enc_stats_t structure
314   ****************************************************************************/   *
315     * Used in:
316     *  - xvid_plg_data_t structure
317     *  - optional parameter in xvid_encore() function
318     *
319     * .coding_type = XVID_TYPE_NOTHING if the stats are not given
320     *--------------------------------------------------------------------------*/
321    
322    typedef struct {
323            int version;
324    
325  /* Flags for XVID_ENC_PARAM.global */          /* encoding parameters */
326  #define XVID_GLOBAL_PACKED              0x00000001      /* packed bitstream */          int type;      /* [out] coding type */
327  #define XVID_GLOBAL_DX50BVOP    0x00000002      /* dx50 bvop compatibility */          int quant;     /* [out] frame quantizer */
328  #define XVID_GLOBAL_DEBUG               0x00000004      /* print debug info on each frame */          int vol_flags; /* [out] vol flags (see above) */
329            int vop_flags; /* [out] vop flags (see above) */
 /* Flags for XVID_ENC_FRAME.general */  
 #define XVID_VALID_FLAGS                0x80000000  
   
 #define XVID_CUSTOM_QMATRIX             0x00000004      /* use custom quant matrix */  
 #define XVID_LATEINTRA                  0x00000200  
   
 #define XVID_INTERLACING                0x00000400      /* enable interlaced encoding */  
 #define XVID_TOPFIELDFIRST              0x00000800      /* set top-field-first flag  */  
 #define XVID_ALTERNATESCAN              0x00001000      /* set alternate vertical scan flag */  
   
 #define XVID_HINTEDME_GET               0x00002000      /* receive mv hint data from core (1st pass) */  
 #define XVID_HINTEDME_SET               0x00004000      /* send mv hint data to core (2nd pass) */  
   
 #define XVID_INTER4V                    0x00008000  
   
 #define XVID_ME_ZERO                    0x00010000  
 #define XVID_ME_LOGARITHMIC             0x00020000  
 #define XVID_ME_FULLSEARCH              0x00040000  
 #define XVID_ME_PMVFAST                 0x00080000  
 #define XVID_ME_EPZS                    0x00100000  
   
   
 #define XVID_GREYSCALE                  0x01000000      /* enable greyscale only mode (even for */  
 #define XVID_GRAYSCALE                  0x01000000      /* color input material chroma is ignored) */  
   
   
 /* Flags for XVID_ENC_FRAME.motion */  
 #define PMV_ADVANCEDDIAMOND8    0x00004000  
 #define PMV_ADVANCEDDIAMOND16   0x00008000  
 #define PMV_EARLYSTOP16                 0x00080000  
 #define PMV_QUICKSTOP16                 0x00100000      /* like early, but without any more refinement */  
 #define PMV_UNRESTRICTED16      0x00200000      /* unrestricted ME, not implemented */  
 #define PMV_OVERLAPPING16       0x00400000      /* overlapping ME, not implemented */  
 #define PMV_USESQUARES16                0x00800000  
   
 #define PMV_HALFPELDIAMOND8     0x01000000  
 #define PMV_HALFPELREFINE8              0x02000000  
 #define PMV_EXTSEARCH8                  0x04000000      /* extend PMV by more searches */  
 #define PMV_EARLYSTOP8                  0x08000000  
 #define PMV_QUICKSTOP8                  0x10000000      /* like early, but without any more refinement */  
 #define PMV_UNRESTRICTED8       0x20000000      /* unrestricted ME, not implemented */  
 #define PMV_OVERLAPPING8                0x40000000      /* overlapping ME, not implemented */  
 #define PMV_USESQUARES8                 0x80000000  
330    
331            /* bitrate */
332            int length;    /* [out] frame length */
333    
334            int hlength;   /* [out] header length (bytes) */
335            int kblks;     /* [out] number of blocks compressed as Intra */
336            int mblks;     /* [out] number of blocks compressed as Inter */
337            int ublks;     /* [out] number of blocks marked as not_coded */
338    
339            int sse_y;     /* [out] Y plane's sse */
340            int sse_u;     /* [out] U plane's sse */
341            int sse_v;     /* [out] V plane's sse */
342    } xvid_enc_stats_t;
343    
344  /*****************************************************************************  /*****************************************************************************
345   * Encoder structures    xvid plugin system -- internals
346    
347      xvidcore will call XVID_PLG_INFO and XVID_PLG_CREATE during XVID_ENC_CREATE
348      before encoding each frame xvidcore will call XVID_PLG_BEFORE
349      after encoding each frame xvidcore will call XVID_PLG_AFTER
350      xvidcore will call XVID_PLG_DESTROY during XVID_ENC_DESTROY
351   ****************************************************************************/   ****************************************************************************/
352    
353          typedef struct  
354          {  #define XVID_PLG_CREATE  (1<<0)
355                  int width, height;  #define XVID_PLG_DESTROY (1<<1)
356                  int fincr, fbase;               /* frame increment, fbase. each frame = "fincr/fbase" seconds */  #define XVID_PLG_INFO    (1<<2)
357                  int rc_bitrate;                 /* the bitrate of the target encoded stream, in bits/second */  #define XVID_PLG_BEFORE  (1<<3)
358                  int rc_reaction_delay_factor;   /* how fast the rate control reacts - lower values are faster */  #define XVID_PLG_FRAME   (1<<4)
359                  int rc_averaging_period;        /* as above */  #define XVID_PLG_AFTER   (1<<5)
360                  int rc_buffer;                  /* as above */  
361                  int max_quantizer;              /* the upper limit of the quantizer */  /* xvid_plg_info_t.flags */
362                  int min_quantizer;              /* the lower limit of the quantizer */  #define XVID_REQORIGINAL (1<<0) /* plugin requires a copy of the original (uncompressed) image */
363                  int max_key_interval;   /* the maximum interval between key frames */  #define XVID_REQPSNR     (1<<1) /* plugin requires psnr between the uncompressed and compressed image*/
364  #ifdef _SMP  #define XVID_REQDQUANTS  (1<<2) /* plugin requires access to the dquant table */
365                  int num_threads;                /* number of threads */  
 #endif  
 #ifdef BFRAMES  
                 int global;                             /* global/debug options */  
                 int max_bframes;                /* max sequential bframes (0=disable bframes) */  
                 int bquant_ratio;               /* bframe quantizer multipier (percentage).  
                                                                  * used only when bquant < 1  
                                                                  * eg. 200 = x2 multiplier  
 #endif  
         }  
         XVID_ENC_PARAM;  
366    
367          typedef struct          typedef struct
368          {          {
369                  int x;          int version;
370          }          int flags;   /* [in:opt] plugin flags */
371          VECTOR;  } xvid_plg_info_t;
372    
373    
374          typedef struct          typedef struct
375          {          {
376                  int mode;                               /* macroblock mode */          int version;
377                  VECTOR mvs[4];  
378          }          int num_zones;           /* [out] */
379          MVBLOCKHINT;          xvid_enc_zone_t * zones; /* [out] */
380    
381            int width;               /* [out] */
382            int height;              /* [out] */
383            int mb_width;            /* [out] */
384            int mb_height;           /* [out] */
385            int fincr;               /* [out] */
386            int fbase;               /* [out] */
387    
388            void * param;            /* [out] */
389    } xvid_plg_create_t;
390    
391    
392          typedef struct          typedef struct
393          {          {
394                  int intra;                              /* frame intra choice */          int version;
395                  int fcode;                              /* frame fcode */  
396                  MVBLOCKHINT *block;             /* caller-allocated array of block hints (mb_width * mb_height) */          int num_frames; /* [out] total frame encoded */
397          }  } xvid_plg_destroy_t;
         MVFRAMEHINT;  
398    
399          typedef struct          typedef struct
400          {          {
401                  int rawhints;                   /* if set, use MVFRAMEHINT, else use compressed buffer */          int version;
402    
403                  MVFRAMEHINT mvhint;          xvid_enc_zone_t * zone; /* [out] current zone */
404                  void *hintstream;               /* compressed hint buffer */  
405                  int hintlength;                 /* length of buffer (bytes) */          int width;              /* [out] */
406          }          int height;             /* [out] */
407          HINTINFO;          int mb_width;           /* [out] */
408            int mb_height;          /* [out] */
409            int fincr;              /* [out] */
410            int fbase;              /* [out] */
411    
412            int min_quant[3];       /* [out] */
413            int max_quant[3];       /* [out] */
414    
415            xvid_image_t reference; /* [out] -> [out] */
416            xvid_image_t current;   /* [out] -> [in,out] */
417            xvid_image_t original;  /* [out] after: points the original (uncompressed) copy of the current frame */
418            int frame_num;          /* [out] frame number */
419    
420            int type;               /* [in,out] */
421            int quant;              /* [in,out] */
422    
423            int * dquant;           /* [in,out]     pointer to diff quantizer table */
424            int dquant_stride;      /* [in,out]     diff quantizer stride */
425    
426            int vop_flags;          /* [in,out] */
427            int vol_flags;          /* [in,out] */
428            int motion_flags;       /* [in,out] */
429    
430    /* Deprecated, use the stats field instead.
431     * Will disapear before 1.0 */
432            int length;             /* [out] after: length of encoded frame */
433            int kblks;              /* [out] number of blocks compressed as Intra */
434            int mblks;              /* [out] number of blocks compressed as Inter */
435            int ublks;              /* [out] number of blocks marked not_coded */
436            int sse_y;              /* [out] Y plane's sse */
437            int sse_u;              /* [out] U plane's sse */
438            int sse_v;              /* [out] V plane's sse */
439    /* End of duplicated data, kept only for binary compatibility */
440    
441            int bquant_ratio;       /* [in] */
442            int bquant_offset;      /* [in] */
443    
444            xvid_enc_stats_t stats; /* [out] frame statistics */
445    } xvid_plg_data_t;
446    
447    /*****************************************************************************
448      xvid plugin system -- external
449    
450      the application passes xvid an array of "xvid_plugin_t" at XVID_ENC_CREATE. the array
451      indicates the plugin function pointer and plugin-specific data.
452      xvidcore handles the rest. example:
453    
454      xvid_enc_create_t create;
455      xvid_enc_plugin_t plugins[2];
456    
457      plugins[0].func = xvid_psnr_func;
458      plugins[0].param = NULL;
459      plugins[1].func = xvid_cbr_func;
460      plugins[1].param = &cbr_data;
461    
462      create.num_plugins = 2;
463      create.plugins = plugins;
464    
465     ****************************************************************************/
466    
467    typedef int (xvid_plugin_func)(void * handle, int opt, void * param1, void * param2);
468    
469          typedef struct          typedef struct
470          {          {
471                  int general;                    /* [in] general options */          xvid_plugin_func * func;
472                  int motion;                             /* [in] ME options */          void * param;
473                  void *bitstream;                /* [in] bitstream ptr */  } xvid_enc_plugin_t;
                 int length;                             /* [out] bitstream length (bytes) */  
474    
                 void *image;                    /* [in] image ptr */  
                 int colorspace;                 /* [in] source colorspace */  
475    
476                  unsigned char *quant_intra_matrix;      // [in] custom intra qmatrix */  extern xvid_plugin_func xvid_plugin_single;   /* single-pass rate control */
477                  unsigned char *quant_inter_matrix;      // [in] custom inter qmatrix */  extern xvid_plugin_func xvid_plugin_2pass1;   /* two-pass rate control: first pass */
478                  int quant;                              /* [in] frame quantizer (vbr) */  extern xvid_plugin_func xvid_plugin_2pass2;   /* two-pass rate control: second pass */
                 int intra;                              /* [in] force intra frame (vbr only)  
                                                                  * [out] intra state  
                                                                  */  
                 HINTINFO hint;                  /* [in/out] mv hint information */  
479    
480  #ifdef BFRAMES  extern xvid_plugin_func xvid_plugin_lumimasking;  /* lumimasking */
                 int bquant;                             /* [in] bframe quantizer */  
 #endif  
481    
482          }  extern xvid_plugin_func xvid_plugin_psnr;       /* write psnr values to stdout */
483          XVID_ENC_FRAME;  extern xvid_plugin_func xvid_plugin_dump;       /* dump before and after yuvpgms */
484    
485    
486    /* single pass rate control
487     * CBR and Constant quantizer modes */
488          typedef struct          typedef struct
489          {          {
490                  int quant;                              /* [out] frame quantizer */          int version;
                 int input_consumed;             /* [out] */  
                 int hlength;                    /* [out] header length (bytes) */  
                 int kblks, mblks, ublks;        /* [out] */  
491    
492          }          int bitrate;               /* [in] bits per second */
493          XVID_ENC_STATS;          int reaction_delay_factor; /* [in] */
494            int averaging_period;      /* [in] */
495            int buffer;                /* [in] */
496    } xvid_plugin_single_t;
497    
498    
499    typedef struct {
500            int version;
501    
502            char * filename;
503    } xvid_plugin_2pass1_t;
504    
505    
506    #define XVID_PAYBACK_BIAS 0 /* payback with bias */
507    #define XVID_PAYBACK_PROP 1 /* payback proportionally */
508    
509    typedef struct {
510            int version;
511    
512            int bitrate;                  /* [in] bits per second */
513            char * filename;              /* [in] first pass stats filename */
514    
515            int keyframe_boost;           /* [in] keyframe boost percentage: [0..100] */
516            int curve_compression_high;   /* [in] percentage of compression performed on the high part of the curve (above average) */
517            int curve_compression_low;    /* [in] percentage of compression performed on the low  part of the curve (below average) */
518            int overflow_control_strength;/* [in] Payback delay expressed in number of frames */
519            int max_overflow_improvement; /* [in] percentage of allowed range for a frame that gets bigger because of overflow bonus */
520            int max_overflow_degradation; /* [in] percentage of allowed range for a frame that gets smaller because of overflow penalty */
521    
522            int kfreduction;              /* [in] maximum bitrate reduction applied to an iframe under the kfthreshold distance limit */
523            int kfthreshold;              /* [in] if an iframe is closer to the next iframe than this distance, a quantity of bits
524                                                                       *      is substracted from its bit allocation. The reduction is computed as multiples of
525                                                                       *      kfreduction/kthreshold. It reaches kfreduction when the distance == kfthreshold,
526                                                                       *      0 for 1<distance<kfthreshold */
527    
528            int container_frame_overhead; /* [in] How many bytes the controller has to compensate per frame due to container format overhead */
529    }xvid_plugin_2pass2_t;
530    
531  /*****************************************************************************  /*****************************************************************************
532   * Encoder entry point   *                             ENCODER API
533   ****************************************************************************/   ****************************************************************************/
534    
535  /* Encoder options */  /*----------------------------------------------------------------------------
536  #define XVID_ENC_ENCODE         0   * Encoder operations
537  #define XVID_ENC_CREATE         1   *--------------------------------------------------------------------------*/
538  #define XVID_ENC_DESTROY        2  
539    #define XVID_ENC_CREATE  0 /* create encoder instance; returns 0 on success */
540          int xvid_encore(void *handle,  #define XVID_ENC_DESTROY 1 /* destroy encoder instance; returns 0 on success */
541                                          int opt,  #define XVID_ENC_ENCODE  2 /* encode a frame: returns number of ouput bytes
542                                          void *param1,                              * 0 means this frame should not be written (ie. encoder lag) */
543                                          void *param2);  
544    
545    /*----------------------------------------------------------------------------
546     * Encoder entry point
547     *--------------------------------------------------------------------------*/
548    
549    extern int xvid_encore(void *handle, int opt, void *param1, void *param2);
550    
551    /* Quick API reference
552     *
553     * XVID_ENC_CREATE operation
554     *  - handle: ignored
555     *  - opt: XVID_ENC_CREATE
556     *  - param1: address of a xvid_enc_create_t structure
557     *  - param2: ignored
558     *
559     * XVID_ENC_ENCODE operation
560     *  - handle: an instance returned by a CREATE op
561     *  - opt: XVID_ENC_ENCODE
562     *  - param1: address of a xvid_enc_frame_t structure
563     *  - param2: address of a xvid_enc_stats_t structure (optional)
564     *            its return value is asynchronous to what is written to the buffer
565     *            depending on the delay introduced by bvop use. It's display
566     *            ordered.
567     *
568     * XVID_ENC_DESTROY operation
569     *  - handle: an instance returned by a CREATE op
570     *  - opt: XVID_ENC_DESTROY
571     *  - param1: ignored
572     *  - param2: ignored
573     */
574    
575    
576    /*----------------------------------------------------------------------------
577     * "Global" flags
578     *
579     * These flags are used for xvid_enc_create_t->global field during instance
580     * creation (operation XVID_ENC_CREATE)
581     *--------------------------------------------------------------------------*/
582    
583    #define XVID_GLOBAL_PACKED            (1<<0) /* packed bitstream */
584    #define XVID_GLOBAL_CLOSED_GOP        (1<<1) /* closed_gop:     was DX50BVOP dx50 bvop compatibility */
585    #define XVID_GLOBAL_EXTRASTATS_ENABLE (1<<2)
586    #if 0
587    #define XVID_GLOBAL_VOL_AT_IVOP       (1<<3) /* write vol at every ivop: WIN32/divx compatibility */
588    #define XVID_GLOBAL_FORCE_VOL         (1<<4) /* when vol-based parameters are changed, insert an ivop NOT recommended */
589    #endif
590    
591    
592    /*----------------------------------------------------------------------------
593     * "VOL" flags
594     *
595     * These flags are used for xvid_enc_frame_t->vol_flags field during frame
596     * encoding (operation XVID_ENC_ENCODE)
597     *--------------------------------------------------------------------------*/
598    
599    #define XVID_VOL_MPEGQUANT      (1<<0) /* enable MPEG type quantization */
600    #define XVID_VOL_EXTRASTATS     (1<<1) /* enable plane sse stats */
601    #define XVID_VOL_QUARTERPEL     (1<<2) /* enable quarterpel: frames will encoded as quarterpel */
602    #define XVID_VOL_GMC            (1<<3) /* enable GMC; frames will be checked for gmc suitability */
603    #define XVID_VOL_REDUCED_ENABLE (1<<4) /* enable reduced resolution vops: frames will be checked for rrv suitability */
604    #define XVID_VOL_INTERLACING    (1<<5) /* enable interlaced encoding */
605    
606    
607    /*----------------------------------------------------------------------------
608     * "VOP" flags
609     *
610     * These flags are used for xvid_enc_frame_t->vop_flags field during frame
611     * encoding (operation XVID_ENC_ENCODE)
612     *--------------------------------------------------------------------------*/
613    
614    /* Always valid */
615    #define XVID_VOP_DEBUG                (1<< 0) /* print debug messages in frames */
616    #define XVID_VOP_HALFPEL              (1<< 1) /* use halfpel interpolation */
617    #define XVID_VOP_INTER4V              (1<< 2) /* use 4 motion vectors per MB */
618    #define XVID_VOP_TRELLISQUANT         (1<< 3) /* use trellis based R-D "optimal" quantization */
619    #define XVID_VOP_CHROMAOPT            (1<< 4) /* enable chroma optimization pre-filter */
620    #define XVID_VOP_CARTOON              (1<< 5) /* use 'cartoon mode' */
621    #define XVID_VOP_GREYSCALE            (1<< 6) /* enable greyscale only mode (even for  color input material chroma is ignored) */
622    #define XVID_VOP_HQACPRED             (1<< 7) /* high quality ac prediction */
623    #define XVID_VOP_MODEDECISION_RD      (1<< 8) /* enable DCT-ME and use it for mode decision */
624    #define XVID_VOP_FAST_MODEDECISION_RD (1<<12) /* use simplified R-D mode decision */
625    
626    /* Only valid for vol_flags|=XVID_VOL_INTERLACING */
627    #define XVID_VOP_TOPFIELDFIRST        (1<< 9) /* set top-field-first flag  */
628    #define XVID_VOP_ALTERNATESCAN        (1<<10) /* set alternate vertical scan flag */
629    
630    /* only valid for vol_flags|=XVID_VOL_REDUCED_ENABLED */
631    #define XVID_VOP_REDUCED              (1<<11) /* reduced resolution vop */
632    
633    
634    /*----------------------------------------------------------------------------
635     * "Motion" flags
636     *
637     * These flags are used for xvid_enc_frame_t->motion field during frame
638     * encoding (operation XVID_ENC_ENCODE)
639     *--------------------------------------------------------------------------*/
640    
641    /* Motion Estimation Search Patterns */
642    #define XVID_ME_ADVANCEDDIAMOND16     (1<< 0) /* use advdiamonds instead of diamonds as search pattern */
643    #define XVID_ME_ADVANCEDDIAMOND8      (1<< 1) /* use advdiamond for XVID_ME_EXTSEARCH8 */
644    #define XVID_ME_USESQUARES16          (1<< 2) /* use squares instead of diamonds as search pattern */
645    #define XVID_ME_USESQUARES8           (1<< 3) /* use square for XVID_ME_EXTSEARCH8 */
646    
647    /* SAD operator based flags */
648    #define XVID_ME_HALFPELREFINE16       (1<< 4)
649    #define XVID_ME_HALFPELREFINE8        (1<< 6)
650    #define XVID_ME_QUARTERPELREFINE16    (1<< 7)
651    #define XVID_ME_QUARTERPELREFINE8     (1<< 8)
652    #define XVID_ME_GME_REFINE            (1<< 9)
653    #define XVID_ME_EXTSEARCH16           (1<<10) /* extend PMV by more searches */
654    #define XVID_ME_EXTSEARCH8            (1<<11) /* use diamond/square for extended 8x8 search */
655    #define XVID_ME_CHROMA_PVOP           (1<<12) /* also use chroma for P_VOP/S_VOP ME */
656    #define XVID_ME_CHROMA_BVOP           (1<<13) /* also use chroma for B_VOP ME */
657    #define XVID_ME_FASTREFINE16          (1<<25) /* use low-complexity refinement functions */
658    #define XVID_ME_FASTREFINE8           (1<<29) /* low-complexity 8x8 sub-block refinement */
659    
660    /* Rate Distortion based flags
661     * Valid when XVID_VOP_MODEDECISION_RD is enabled */
662    #define XVID_ME_HALFPELREFINE16_RD    (1<<14) /* perform RD-based halfpel refinement */
663    #define XVID_ME_HALFPELREFINE8_RD     (1<<15) /* perform RD-based halfpel refinement for 8x8 mode */
664    #define XVID_ME_QUARTERPELREFINE16_RD (1<<16) /* perform RD-based qpel refinement */
665    #define XVID_ME_QUARTERPELREFINE8_RD  (1<<17) /* perform RD-based qpel refinement for 8x8 mode */
666    #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 */
667    #define XVID_ME_CHECKPREDICTION_RD    (1<<19) /* always check vector equal to prediction */
668    
669    /* Other */
670    #define XVID_ME_DETECT_STATIC_MOTION  (1<<24) /* speed-up ME by detecting stationary scenes */
671    #define XVID_ME_SKIP_DELTASEARCH      (1<<26) /* speed-up by skipping b-frame delta search */
672    #define XVID_ME_FAST_MODEINTERPOLATE  (1<<27) /* speed-up by partly skipping interpolate mode */
673    #define XVID_ME_BFRAME_EARLYSTOP      (1<<28) /* speed-up by early exiting b-search */
674    
675    /* Unused */
676    #define XVID_ME_UNRESTRICTED16        (1<<20) /* unrestricted ME, not implemented */
677    #define XVID_ME_OVERLAPPING16         (1<<21) /* overlapping ME, not implemented */
678    #define XVID_ME_UNRESTRICTED8         (1<<22) /* unrestricted ME, not implemented */
679    #define XVID_ME_OVERLAPPING8          (1<<23) /* overlapping ME, not implemented */
680    
681    
682    /*----------------------------------------------------------------------------
683     * xvid_enc_create_t structure definition
684     *
685     * This structure is passed as param1 during an instance creation (operation
686     * XVID_ENC_CREATE)
687     *--------------------------------------------------------------------------*/
688    
689    typedef struct {
690            int version;
691    
692            int profile;                 /* [in] profile@level; refer to XVID_PROFILE_xxx */
693            int width;                   /* [in] frame dimensions; width, pixel units */
694            int height;                  /* [in] frame dimensions; height, pixel units */
695    
696            int num_zones;               /* [in:opt] number of bitrate zones */
697            xvid_enc_zone_t * zones;     /*          ^^ zone array */
698    
699            int num_plugins;             /* [in:opt] number of plugins */
700            xvid_enc_plugin_t * plugins; /*          ^^ plugin array */
701    
702            int num_threads;             /* [in:opt] number of threads */
703            int max_bframes;             /* [in:opt] max sequential bframes (0=disable bframes) */
704    
705            int global;                  /* [in:opt] global flags; controls encoding behavior */
706    
707            /* --- vol-based stuff; included here for convenience */
708            int fincr;                   /* [in:opt] framerate increment; set to zero for variable framerate */
709            int fbase;                   /* [in] framerate base frame_duration = fincr/fbase seconds*/
710        /* ---------------------------------------------- */
711    
712            /* --- vop-based; included here for convenience */
713            int max_key_interval;        /* [in:opt] the maximum interval between key frames */
714    
715            int frame_drop_ratio;        /* [in:opt] frame dropping: 0=drop none... 100=drop all */
716    
717            int bquant_ratio;            /* [in:opt] bframe quantizer multipier/offeset; used to decide bframes quant when bquant==-1 */
718            int bquant_offset;           /* bquant = (avg(past_ref_quant,future_ref_quant)*bquant_ratio + bquant_offset) / 100 */
719    
720            int min_quant[3];            /* [in:opt] */
721            int max_quant[3];            /* [in:opt] */
722            /* ---------------------------------------------- */
723    
724            void *handle;                /* [out] encoder instance handle */
725    } xvid_enc_create_t;
726    
727    
728    /*----------------------------------------------------------------------------
729     * xvid_enc_frame_t structure definition
730     *
731     * This structure is passed as param1 during a frame encoding (operation
732     * XVID_ENC_ENCODE)
733     *--------------------------------------------------------------------------*/
734    
735    /* out value for the frame structure->type field
736     * unlike stats output in param2, this field is not asynchronous and tells
737     * the client app, if the frame written into the stream buffer is an ivop
738     * usually used for indexing purpose in the container */
739    #define XVID_KEYFRAME (1<<1)
740    
741    /* The structure */
742    typedef struct {
743            int version;
744    
745            /* VOL related stuff
746             * unless XVID_FORCEVOL is set, the encoder will not react to any changes
747             * here until the next VOL (keyframe). */
748    
749            int vol_flags;                     /* [in] vol flags */
750            unsigned char *quant_intra_matrix; /* [in:opt] custom intra qmatrix */
751            unsigned char *quant_inter_matrix; /* [in:opt] custom inter qmatrix */
752    
753            int par;                           /* [in:opt] pixel aspect ratio (refer to XVID_PAR_xxx above) */
754            int par_width;                     /* [in:opt] aspect ratio width */
755            int par_height;                    /* [in:opt] aspect ratio height */
756    
757            /* Other fields that can change on a frame base */
758    
759            int fincr;                         /* [in:opt] framerate increment, for variable framerate only */
760            int vop_flags;                     /* [in] (general)vop-based flags */
761            int motion;                        /* [in] ME options */
762    
763            xvid_image_t input;                /* [in] input image (read from) */
764    
765            int type;                          /* [in:opt] coding type */
766            int quant;                         /* [in] frame quantizer; if <=0, automatic (ratecontrol) */
767            int bframe_threshold;
768    
769            void *bitstream;                   /* [in:opt] bitstream ptr (written to)*/
770            int length;                        /* [in:opt] bitstream length (bytes) */
771    
772            int out_flags;                     /* [out] bitstream output flags */
773    } xvid_enc_frame_t;
774    
775  #ifdef __cplusplus  #ifdef __cplusplus
776  }  }

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