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1 : edgomez 199 /*****************************************************************************
2 : edgomez 868 *
3 : edgomez 1382 * XVID MPEG-4 VIDEO CODEC
4 :     * - XviD Main header file -
5 : edgomez 868 *
6 : edgomez 1382 * Copyright(C) 2001-2003 Peter Ross <pross@xvid.org>
7 : edgomez 868 *
8 : edgomez 1382 * This program is free software ; you can redistribute it and/or modify
9 : edgomez 868 * it under the terms of the GNU General Public License as published by
10 : edgomez 1382 * the Free Software Foundation ; either version 2 of the License, or
11 : edgomez 868 * (at your option) any later version.
12 :     *
13 :     * This program is distributed in the hope that it will be useful,
14 : edgomez 1382 * but WITHOUT ANY WARRANTY ; without even the implied warranty of
15 : edgomez 868 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 :     * GNU General Public License for more details.
17 :     *
18 :     * You should have received a copy of the GNU General Public License
19 : edgomez 1382 * along with this program ; if not, write to the Free Software
20 : edgomez 868 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 :     *
22 : edgomez 1382 * $Id: xvid.h,v 1.33 2004-03-22 22:36:23 edgomez Exp $
23 : edgomez 868 *
24 :     ****************************************************************************/
25 : edgomez 199
26 :     #ifndef _XVID_H_
27 :     #define _XVID_H_
28 :    
29 : edgomez 1382
30 : edgomez 199 #ifdef __cplusplus
31 : chl 352 extern "C" {
32 : edgomez 199 #endif
33 :    
34 :     /*****************************************************************************
35 : edgomez 1382 * versioning
36 : edgomez 199 ****************************************************************************/
37 :    
38 : edgomez 1382 /* versioning
39 :     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 : edgomez 199
44 : edgomez 1382 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
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 : edgomez 851 * 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 : edgomez 608 */
76 : edgomez 1382 #define XVID_BS_VERSION "0029"
77 : edgomez 199
78 :    
79 : edgomez 1382 /*****************************************************************************
80 :     * error codes
81 :     ****************************************************************************/
82 : edgomez 199
83 : edgomez 1382 /* all functions return values <0 indicate error */
84 : edgomez 199
85 : edgomez 1382 #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 : edgomez 199
91 :    
92 : edgomez 608
93 : edgomez 1382 /*****************************************************************************
94 :     * xvid_image_t
95 :     ****************************************************************************/
96 : edgomez 608
97 : edgomez 1382 /* colorspace values */
98 : edgomez 608
99 : edgomez 1382 #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 : edgomez 608
118 : edgomez 1382 /* 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 : edgomez 199 /*****************************************************************************
161 : edgomez 1382 * xvid_global()
162 : edgomez 199 ****************************************************************************/
163 :    
164 : edgomez 1382 /* cpu_flags definitions (make sure to sync this with cpuid.asm for ia32) */
165 : edgomez 199
166 : edgomez 1382 #define XVID_CPU_FORCE (1<<31) /* force passed cpu flags */
167 :     #define XVID_CPU_ASM (1<< 7) /* native assembly */
168 : edgomez 851 /* ARCH_IS_IA32 */
169 : edgomez 1382 #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 : edgomez 868
179 :    
180 : edgomez 1382 #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 : edgomez 199
190 : edgomez 1382 /* 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 : Isibaar 209
197 : edgomez 199
198 : edgomez 1382 /* 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 : edgomez 199
207 : Isibaar 209
208 : edgomez 1382 /* 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 : edgomez 199
218 : edgomez 851
219 : edgomez 1382 #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 : edgomez 199
223 : edgomez 1382 extern int xvid_global(void *handle, int opt, void *param1, void *param2);
224 : edgomez 199
225 :    
226 :     /*****************************************************************************
227 : edgomez 1382 * xvid_decore()
228 : edgomez 199 ****************************************************************************/
229 :    
230 : edgomez 1382 #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 :     #define XVID_DEC_DECODE 2 /* decode a frame: returns number of bytes consumed >= 0 */
233 : edgomez 199
234 : edgomez 1382 extern int xvid_decore(void *handle, int opt, void *param1, void *param2);
235 :    
236 :     /* 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 :    
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
266 :     {
267 :     int version;
268 :    
269 :     int type; /* [out] output data type */
270 :     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 */
274 :     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;
281 :     struct { /* XVID_TYPE_VOL */
282 :     int general; /* [out] flags */
283 :     int width; /* [out] width */
284 :     int height; /* [out] height */
285 :     int par; /* [out] pixel aspect ratio (refer to XVID_PAR_xxx above) */
286 :     int par_width; /* [out] aspect ratio width [1..255] */
287 :     int par_height; /* [out] aspect ratio height [1..255] */
288 :     } vol;
289 :     } data;
290 :     } xvid_dec_stats_t;
291 :    
292 :     #define XVID_ZONE_QUANT (1<<0)
293 :     #define XVID_ZONE_WEIGHT (1<<1)
294 :    
295 :     typedef struct
296 :     {
297 :     int frame;
298 :     int mode;
299 :     int increment;
300 :     int base;
301 :     } xvid_enc_zone_t;
302 :    
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 :     typedef struct {
315 :     int version;
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 :     int length; /* [out] frame length */
325 :    
326 :     int hlength; /* [out] header length (bytes) */
327 :     int kblks; /* [out] number of blocks compressed as Intra */
328 :     int mblks; /* [out] number of blocks compressed as Inter */
329 :     int ublks; /* [out] number of blocks marked as not_coded */
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 : edgomez 199 /*****************************************************************************
337 : edgomez 1382 xvid plugin system -- internals
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 : edgomez 199 ****************************************************************************/
344 :    
345 :    
346 : edgomez 1382 #define XVID_PLG_CREATE (1<<0)
347 :     #define XVID_PLG_DESTROY (1<<1)
348 :     #define XVID_PLG_INFO (1<<2)
349 :     #define XVID_PLG_BEFORE (1<<3)
350 :     #define XVID_PLG_FRAME (1<<4)
351 :     #define XVID_PLG_AFTER (1<<5)
352 : edgomez 199
353 : edgomez 1382 /* xvid_plg_info_t.flags */
354 :     #define XVID_REQORIGINAL (1<<0) /* plugin requires a copy of the original (uncompressed) image */
355 :     #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 : edgomez 851
358 :    
359 : edgomez 1382 typedef struct
360 :     {
361 :     int version;
362 :     int flags; /* [in:opt] plugin flags */
363 :     } xvid_plg_info_t;
364 : edgomez 851
365 : edgomez 199
366 : edgomez 1382 typedef struct
367 :     {
368 :     int version;
369 : edgomez 199
370 : edgomez 1382 int num_zones; /* [out] */
371 :     xvid_enc_zone_t * zones; /* [out] */
372 : edgomez 199
373 : edgomez 1382 int width; /* [out] */
374 :     int height; /* [out] */
375 :     int mb_width; /* [out] */
376 :     int mb_height; /* [out] */
377 :     int fincr; /* [out] */
378 :     int fbase; /* [out] */
379 : edgomez 199
380 : edgomez 1382 void * param; /* [out] */
381 :     } xvid_plg_create_t;
382 : albeu 315
383 : edgomez 1382
384 :     typedef struct
385 :     {
386 :     int version;
387 :    
388 :     int num_frames; /* [out] total frame encoded */
389 :     } xvid_plg_destroy_t;
390 :    
391 :     typedef struct
392 :     {
393 :     int version;
394 :    
395 :     xvid_enc_zone_t * zone; /* [out] current zone */
396 :    
397 :     int width; /* [out] */
398 :     int height; /* [out] */
399 :     int mb_width; /* [out] */
400 :     int mb_height; /* [out] */
401 :     int fincr; /* [out] */
402 :     int fbase; /* [out] */
403 :    
404 :     int min_quant[3]; /* [out] */
405 :     int max_quant[3]; /* [out] */
406 :    
407 :     xvid_image_t reference; /* [out] -> [out] */
408 :     xvid_image_t current; /* [out] -> [in,out] */
409 :     xvid_image_t original; /* [out] after: points the original (uncompressed) copy of the current frame */
410 :     int frame_num; /* [out] frame number */
411 :    
412 :     int type; /* [in,out] */
413 :     int quant; /* [in,out] */
414 :    
415 :     int * dquant; /* [in,out] pointer to diff quantizer table */
416 :     int dquant_stride; /* [in,out] diff quantizer stride */
417 :    
418 :     int vop_flags; /* [in,out] */
419 :     int vol_flags; /* [in,out] */
420 :     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 :     int bquant_ratio; /* [in] */
434 :     int bquant_offset; /* [in] */
435 :    
436 :     xvid_enc_stats_t stats; /* [out] frame statistics */
437 :     } xvid_plg_data_t;
438 :    
439 : albeu 315 /*****************************************************************************
440 : edgomez 1382 xvid plugin system -- external
441 :    
442 :     the application passes xvid an array of "xvid_plugin_t" at XVID_ENC_CREATE. the array
443 :     indicates the plugin function pointer and plugin-specific data.
444 :     xvidcore handles the rest. example:
445 :    
446 :     xvid_enc_create_t create;
447 :     xvid_enc_plugin_t plugins[2];
448 :    
449 :     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 :    
457 : albeu 315 ****************************************************************************/
458 :    
459 : edgomez 1382 typedef int (xvid_plugin_func)(void * handle, int opt, void * param1, void * param2);
460 : edgomez 199
461 : edgomez 1382 typedef struct
462 :     {
463 :     xvid_plugin_func * func;
464 :     void * param;
465 :     } xvid_enc_plugin_t;
466 : edgomez 199
467 :    
468 : edgomez 1382 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 :     extern xvid_plugin_func xvid_plugin_2pass2; /* two-pass rate control: second pass */
471 :    
472 :     extern xvid_plugin_func xvid_plugin_lumimasking; /* lumimasking */
473 :    
474 :     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 :    
477 :    
478 :     /* single pass rate control
479 :     * CBR and Constant quantizer modes */
480 :     typedef struct
481 :     {
482 :     int version;
483 :    
484 :     int bitrate; /* [in] bits per second */
485 :     int reaction_delay_factor; /* [in] */
486 :     int averaging_period; /* [in] */
487 :     int buffer; /* [in] */
488 :     } xvid_plugin_single_t;
489 :    
490 :    
491 :     typedef struct {
492 :     int version;
493 :    
494 :     char * filename;
495 :     } xvid_plugin_2pass1_t;
496 :    
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 : edgomez 851 /*****************************************************************************
524 : edgomez 1382 * ENCODER API
525 : edgomez 851 ****************************************************************************/
526 : edgomez 199
527 : edgomez 1382 /*----------------------------------------------------------------------------
528 :     * Encoder operations
529 :     *--------------------------------------------------------------------------*/
530 : edgomez 199
531 : edgomez 1382 #define XVID_ENC_CREATE 0 /* create encoder instance; returns 0 on success */
532 :     #define XVID_ENC_DESTROY 1 /* destroy encoder instance; returns 0 on success */
533 :     #define XVID_ENC_ENCODE 2 /* encode a frame: returns number of ouput bytes
534 :     * 0 means this frame should not be written (ie. encoder lag) */
535 : edgomez 199
536 :    
537 : edgomez 1382 /*----------------------------------------------------------------------------
538 :     * Encoder entry point
539 :     *--------------------------------------------------------------------------*/
540 : edgomez 199
541 : edgomez 1382 extern int xvid_encore(void *handle, int opt, void *param1, void *param2);
542 : edgomez 199
543 : edgomez 1382 /* 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 : edgomez 199
567 :    
568 : edgomez 1382 /*----------------------------------------------------------------------------
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 : edgomez 199
575 : edgomez 1382 #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 : edgomez 199
583 : edgomez 853
584 : edgomez 1382 /*----------------------------------------------------------------------------
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 : edgomez 199
591 : edgomez 1382 #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 : chl 352
598 : edgomez 199
599 : edgomez 1382 /*----------------------------------------------------------------------------
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 : edgomez 199
606 : edgomez 1382 /* 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 : edgomez 199
618 : edgomez 1382 /* 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 : edgomez 608
622 : edgomez 1382 /* only valid for vol_flags|=XVID_VOL_REDUCED_ENABLED */
623 :     #define XVID_VOP_REDUCED (1<<11) /* reduced resolution vop */
624 : edgomez 851
625 :    
626 : edgomez 1382 /*----------------------------------------------------------------------------
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 : edgomez 851
633 : edgomez 1382 /* 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 : edgomez 851
639 : edgomez 1382 /* 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 : edgomez 851
652 : edgomez 1382 /* 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 : edgomez 851
661 : edgomez 1382 /* 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 : edgomez 851
667 : edgomez 1382 /* 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 : edgomez 851
673 :    
674 : edgomez 1382 /*----------------------------------------------------------------------------
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 : edgomez 851
681 : edgomez 1382 typedef struct {
682 :     int version;
683 : edgomez 851
684 : edgomez 1382 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 : edgomez 851
688 : edgomez 1382 int num_zones; /* [in:opt] number of bitrate zones */
689 :     xvid_enc_zone_t * zones; /* ^^ zone array */
690 : edgomez 851
691 : edgomez 1382 int num_plugins; /* [in:opt] number of plugins */
692 :     xvid_enc_plugin_t * plugins; /* ^^ plugin array */
693 : edgomez 851
694 : edgomez 1382 int num_threads; /* [in:opt] number of threads */
695 :     int max_bframes; /* [in:opt] max sequential bframes (0=disable bframes) */
696 : edgomez 851
697 : edgomez 1382 int global; /* [in:opt] global flags; controls encoding behavior */
698 : edgomez 851
699 : edgomez 1382 /* --- 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 : edgomez 199
704 : edgomez 1382 /* --- vop-based; included here for convenience */
705 :     int max_key_interval; /* [in:opt] the maximum interval between key frames */
706 : edgomez 199
707 : edgomez 1382 int frame_drop_ratio; /* [in:opt] frame dropping: 0=drop none... 100=drop all */
708 : edgomez 199
709 : edgomez 1382 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 : edgomez 199
712 : edgomez 1382 int min_quant[3]; /* [in:opt] */
713 :     int max_quant[3]; /* [in:opt] */
714 :     /* ---------------------------------------------- */
715 : edgomez 199
716 : edgomez 1382 void *handle; /* [out] encoder instance handle */
717 :     } xvid_enc_create_t;
718 : edgomez 199
719 :    
720 : edgomez 1382 /*----------------------------------------------------------------------------
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 : edgomez 199
727 : edgomez 1382 /* 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 : edgomez 851
733 : edgomez 1382 /* The structure */
734 :     typedef struct {
735 :     int version;
736 : edgomez 851
737 : edgomez 1382 /* 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 : edgomez 851
741 : edgomez 1382 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 : edgomez 199
745 : edgomez 1382 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 : edgomez 199
749 : edgomez 1382 /* Other fields that can change on a frame base */
750 : edgomez 199
751 : edgomez 1382 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 : edgomez 199
755 : edgomez 1382 xvid_image_t input; /* [in] input image (read from) */
756 : edgomez 199
757 : edgomez 1382 int type; /* [in:opt] coding type */
758 :     int quant; /* [in] frame quantizer; if <=0, automatic (ratecontrol) */
759 :     int bframe_threshold;
760 : edgomez 199
761 : edgomez 1382 void *bitstream; /* [in:opt] bitstream ptr (written to)*/
762 :     int length; /* [in:opt] bitstream length (bytes) */
763 : edgomez 199
764 : edgomez 1382 int out_flags; /* [out] bitstream output flags */
765 :     } xvid_enc_frame_t;
766 : edgomez 199
767 :     #ifdef __cplusplus
768 :     }
769 :     #endif
770 :    
771 :     #endif

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