vo_tga: Use the proper imgfmt names
[mplayer/glamo.git] / libmpcodecs / vd_xanim.c
blobd8a3a74004a07ea476348a1bec8181c95e24f4ee
1 /*
2 * XAnim Video Codec DLL support
4 * It partly emulates the Xanim codebase.
5 * You need the -rdynamic flag to use this with gcc.
7 * Copyright (C) 2001-2002 Alex Beregszaszi
8 * Arpad Gereoffy <arpi@thot.banki.hu>
10 * This file is part of MPlayer.
12 * MPlayer is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * MPlayer is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License along
23 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
24 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h> /* strerror */
31 #include "config.h"
32 #include "path.h"
33 #include "mp_msg.h"
35 #include "vd_internal.h"
37 static const vd_info_t info = {
38 "XAnim codecs",
39 "xanim",
40 "A'rpi & Alex",
41 "Xanim (http://xanim.va.pubnix.com/)",
42 "binary codec plugins"
45 LIBVD_EXTERN(xanim)
47 #ifdef __FreeBSD__
48 #include <unistd.h>
49 #endif
51 #include <dlfcn.h> /* dlsym, dlopen, dlclose */
52 #include <stdarg.h> /* va_alist, va_start, va_end */
53 #include <errno.h> /* strerror, errno */
55 #include "mp_msg.h"
56 #include "mpbswap.h"
58 #include "osdep/timer.h"
60 #if 0
61 /* this should be removed */
62 #ifndef RTLD_NOW
63 #define RLTD_NOW 2
64 #endif
65 #ifndef RTLD_LAZY
66 #define RLTD_LAZY 1
67 #endif
68 #ifndef RTLD_GLOBAL
69 #define RLTD_GLOBAL 256
70 #endif
71 #endif
73 struct XA_CODEC_HDR;
74 struct XA_DEC_INFO;
76 typedef long init_function(struct XA_CODEC_HDR *);
77 typedef unsigned int decode_function(unsigned char *, unsigned char *,
78 unsigned int, struct XA_DEC_INFO *);
80 typedef struct
82 unsigned int what;
83 unsigned int id;
84 init_function *iq_func; /* init/query function */
85 decode_function *dec_func; /* opt decode function */
86 } XAVID_FUNC_HDR;
88 #define XAVID_WHAT_NO_MORE 0x0000
89 #define XAVID_AVI_QUERY 0x0001
90 #define XAVID_QT_QUERY 0x0002
91 #define XAVID_DEC_FUNC 0x0100
93 #define XAVID_API_REV 0x0003
95 typedef struct
97 unsigned int api_rev;
98 char *desc;
99 char *rev;
100 char *copyright;
101 char *mod_author;
102 char *authors;
103 unsigned int num_funcs;
104 XAVID_FUNC_HDR *funcs;
105 } XAVID_MOD_HDR;
107 /* XA CODEC .. */
108 typedef struct XA_CODEC_HDR
110 void *anim_hdr;
111 unsigned int compression;
112 unsigned int x, y;
113 unsigned int depth;
114 void *extra;
115 unsigned int xapi_rev;
116 decode_function *decoder;
117 char *description;
118 unsigned int avi_ctab_flag;
119 unsigned int (*avi_read_ext)(void);
120 } XA_CODEC_HDR;
122 #define CODEC_SUPPORTED 1
123 #define CODEC_UNKNOWN 0
124 #define CODEC_UNSUPPORTED -1
126 /* fuckin colormap structures for xanim */
127 typedef struct
129 unsigned short red;
130 unsigned short green;
131 unsigned short blue;
132 unsigned short gray;
133 } ColorReg;
135 typedef struct XA_ACTION_STRUCT
137 int type;
138 int cmap_rev;
139 unsigned char *data;
140 struct XA_ACTION_STRUCT *next;
141 struct XA_CHDR_STRUCT *chdr;
142 ColorReg *h_cmap;
143 unsigned int *map;
144 struct XA_ACTION_STRUCT *next_same_chdr;
145 } XA_ACTION;
147 typedef struct XA_CHDR_STRUCT
149 unsigned int rev;
150 ColorReg *cmap;
151 unsigned int csize, coff;
152 unsigned int *map;
153 unsigned int msize, moff;
154 struct XA_CHDR_STRUCT *next;
155 XA_ACTION *acts;
156 struct XA_CHDR_STRUCT *new_chdr;
157 } XA_CHDR;
159 typedef struct XA_DEC_INFO
161 unsigned int cmd;
162 unsigned int skip_flag;
163 unsigned int imagex, imagey; /* image buffer size */
164 unsigned int imaged; /* image depth */
165 XA_CHDR *chdr; /* color map header */
166 unsigned int map_flag;
167 unsigned int *map;
168 unsigned int xs, ys;
169 unsigned int xe, ye;
170 unsigned int special;
171 void *extra;
172 } XA_DEC_INFO;
174 typedef struct
176 unsigned int file_num;
177 unsigned int anim_type;
178 unsigned int imagex;
179 unsigned int imagey;
180 unsigned int imagec;
181 unsigned int imaged;
182 } XA_ANIM_HDR;
184 typedef struct {
185 XA_DEC_INFO *decinfo;
186 void *file_handler;
187 init_function *iq_func;
188 decode_function *dec_func;
189 mp_image_t *mpi;
190 } vd_xanim_ctx;
192 #if 0
193 typedef char xaBYTE;
194 typedef short xaSHORT;
195 typedef int xaLONG;
197 typedef unsigned char xaUBYTE;
198 typedef unsigned short xaUSHORT;
199 typedef unsigned int xaULONG;
200 #endif
202 #define xaFALSE 0
203 #define xaTRUE 1
205 #define ACT_DLTA_NORM 0x00000000
206 #define ACT_DLTA_BODY 0x00000001
207 #define ACT_DLTA_XOR 0x00000002
208 #define ACT_DLTA_NOP 0x00000004
209 #define ACT_DLTA_MAPD 0x00000008
210 #define ACT_DLTA_DROP 0x00000010
211 #define ACT_DLTA_BAD 0x80000000
213 #define XA_CLOSE_FUNCS 5
214 int xa_close_funcs = 0;
215 void *xa_close_func[XA_CLOSE_FUNCS];
217 /* load, init and query */
218 static int xacodec_load(sh_video_t *sh, char *filename)
220 vd_xanim_ctx *priv = sh->context;
221 void *(*what_the)(void);
222 char *error;
223 XAVID_MOD_HDR *mod_hdr;
224 XAVID_FUNC_HDR *func;
225 int i;
227 // priv->file_handler = dlopen(filename, RTLD_NOW|RTLD_GLOBAL);
228 priv->file_handler = dlopen(filename, RTLD_LAZY);
229 if (!priv->file_handler)
231 error = dlerror();
232 if (error)
233 mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: failed to dlopen %s while %s\n", filename, error);
234 else
235 mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: failed to dlopen %s\n", filename);
236 return 0;
239 what_the = dlsym(priv->file_handler, "What_The");
240 if ((error = dlerror()) != NULL)
242 mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: failed to init %s while %s\n", filename, error);
243 dlclose(priv->file_handler);
244 return 0;
247 mod_hdr = what_the();
248 if (!mod_hdr)
250 mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: initializer function failed in %s\n", filename);
251 dlclose(priv->file_handler);
252 return 0;
255 mp_msg(MSGT_DECVIDEO, MSGL_V, "=== XAnim Codec ===\n");
256 mp_msg(MSGT_DECVIDEO, MSGL_V, " Filename: %s (API revision: %x)\n", filename, mod_hdr->api_rev);
257 mp_msg(MSGT_DECVIDEO, MSGL_V, " Codec: %s. Rev: %s\n", mod_hdr->desc, mod_hdr->rev);
258 if (mod_hdr->copyright)
259 mp_msg(MSGT_DECVIDEO, MSGL_V, " %s\n", mod_hdr->copyright);
260 if (mod_hdr->mod_author)
261 mp_msg(MSGT_DECVIDEO, MSGL_V, " Module Author(s): %s\n", mod_hdr->mod_author);
262 if (mod_hdr->authors)
263 mp_msg(MSGT_DECVIDEO, MSGL_V, " Codec Author(s): %s\n", mod_hdr->authors);
265 if (mod_hdr->api_rev > XAVID_API_REV)
267 mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: not supported api revision (%d) in %s\n",
268 mod_hdr->api_rev, filename);
269 dlclose(priv->file_handler);
270 return 0;
273 func = mod_hdr->funcs;
274 if (!func)
276 mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: function table error in %s\n", filename);
277 dlclose(priv->file_handler);
278 return 0;
281 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "Exported functions by codec: [functable: %p entries: %d]\n",
282 mod_hdr->funcs, mod_hdr->num_funcs);
283 for (i = 0; i < (int)mod_hdr->num_funcs; i++)
285 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, " %d: %d %d [iq:%p d:%p]\n",
286 i, func[i].what, func[i].id, func[i].iq_func, func[i].dec_func);
287 if (func[i].what & XAVID_AVI_QUERY)
289 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, " %p: avi init/query func (id: %d)\n",
290 func[i].iq_func, func[i].id);
291 priv->iq_func = func[i].iq_func;
293 if (func[i].what & XAVID_QT_QUERY)
295 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, " %p: qt init/query func (id: %d)\n",
296 func[i].iq_func, func[i].id);
297 priv->iq_func = func[i].iq_func;
299 if (func[i].what & XAVID_DEC_FUNC)
301 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, " %p: decoder func (init/query: %p) (id: %d)\n",
302 func[i].dec_func, func[i].iq_func, func[i].id);
303 priv->dec_func = func[i].dec_func;
306 return 1;
309 static int xacodec_query(sh_video_t *sh, XA_CODEC_HDR *codec_hdr)
311 vd_xanim_ctx *priv = sh->context;
312 long ret;
314 #if 0
315 /* the brute one */
316 if (priv->dec_func)
318 codec_hdr->decoder = priv->dec_func;
319 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "We got decoder's address at init! %p\n", codec_hdr->decoder);
320 return 1;
322 #endif
324 ret = priv->iq_func(codec_hdr);
325 switch(ret)
327 case CODEC_SUPPORTED:
328 priv->dec_func = codec_hdr->decoder;
329 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "Codec is supported: found decoder for %s at %p\n",
330 codec_hdr->description, codec_hdr->decoder);
331 return 1;
332 case CODEC_UNSUPPORTED:
333 mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "Codec (%s) is unsupported by dll\n",
334 codec_hdr->description);
335 return 0;
336 case CODEC_UNKNOWN:
337 default:
338 mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "Codec (%s) is unknown by dll\n",
339 codec_hdr->description);
340 return 0;
344 /* These functions are required for loading XAnim binary libs.
345 * Add forward declarations to avoid warnings with -Wmissing-prototypes. */
346 void XA_Print(char *fmt, ...);
347 void TheEnd1(char *err_mess);
348 void XA_Add_Func_To_Free_Chain(XA_ANIM_HDR *anim_hdr, void (*function)(void));
349 unsigned long XA_Time_Read(void);
350 void XA_Gen_YUV_Tabs(XA_ANIM_HDR *anim_hdr);
351 void JPG_Setup_Samp_Limit_Table(XA_ANIM_HDR *anim_hdr);
352 void JPG_Alloc_MCU_Bufs(XA_ANIM_HDR *anim_hdr, unsigned int width,
353 unsigned int height, unsigned int full_flag);
354 void *YUV2x2_Blk_Func(unsigned int image_type, int blks,
355 unsigned int dith_flag);
356 void *YUV2x2_Map_Func(unsigned int image_type, unsigned int dith_type);
357 void *XA_YUV1611_Func(unsigned int image_type);
358 void *XA_YUV221111_Func(unsigned int image_type);
360 void XA_Print(char *fmt, ...)
362 va_list vallist;
363 char buf[1024];
365 va_start(vallist, fmt);
366 vsnprintf(buf, 1024, fmt, vallist);
367 mp_msg(MSGT_XACODEC, MSGL_DBG2, "[xacodec] %s\n", buf);
368 va_end(vallist);
370 return;
373 /* 0 is no debug (needed by 3ivX) */
374 long xa_debug = 0;
376 void TheEnd1(char *err_mess)
378 XA_Print("error: %s - exiting\n", err_mess);
379 /* we should exit here... */
381 return;
384 void XA_Add_Func_To_Free_Chain(XA_ANIM_HDR *anim_hdr, void (*function)(void))
386 // XA_Print("XA_Add_Func_To_Free_Chain('anim_hdr: %08x', 'function: %08x')",
387 // anim_hdr, function);
388 xa_close_func[xa_close_funcs] = function;
389 if (xa_close_funcs+1 < XA_CLOSE_FUNCS)
390 xa_close_funcs++;
392 return;
395 unsigned long XA_Time_Read(void)
397 return GetTimer(); //(GetRelativeTime());
400 static void XA_dummy(void)
402 XA_Print("dummy() called");
405 void XA_Gen_YUV_Tabs(XA_ANIM_HDR *anim_hdr)
407 XA_Print("XA_Gen_YUV_Tabs('anim_hdr: %08x')", anim_hdr);
408 return;
411 void JPG_Setup_Samp_Limit_Table(XA_ANIM_HDR *anim_hdr)
413 XA_Print("JPG_Setup_Samp_Limit_Table('anim_hdr: %08x')", anim_hdr);
414 return;
417 void JPG_Alloc_MCU_Bufs(XA_ANIM_HDR *anim_hdr, unsigned int width,
418 unsigned int height, unsigned int full_flag)
420 XA_Print("JPG_Alloc_MCU_Bufs('anim_hdr: %08x', 'width: %d', 'height: %d', 'full_flag: %d')",
421 anim_hdr, width, height, full_flag);
422 return;
425 /* --------------- 4x4 pixel YUV block fillers [CVID] ----------------- */
427 typedef struct
429 unsigned char r0, g0, b0;
430 unsigned char r1, g1, b1;
431 unsigned char r2, g2, b2;
432 unsigned char r3, g3, b3;
433 unsigned int clr0_0, clr0_1, clr0_2, clr0_3;
434 unsigned int clr1_0, clr1_1, clr1_2, clr1_3;
435 unsigned int clr2_0, clr2_1, clr2_2, clr2_3;
436 unsigned int clr3_0, clr3_1, clr3_2, clr3_3;
437 } XA_2x2_Color;
439 #define SET_4_YUV_PIXELS(image,x,y,cmap2x2) \
440 image->planes[0][((x)+0)+((y)+0)*image->stride[0]]=cmap2x2->clr0_0;\
441 image->planes[0][((x)+1)+((y)+0)*image->stride[0]]=cmap2x2->clr0_1;\
442 image->planes[0][((x)+0)+((y)+1)*image->stride[0]]=cmap2x2->clr0_2;\
443 image->planes[0][((x)+1)+((y)+1)*image->stride[0]]=cmap2x2->clr0_3;\
444 image->planes[1][((x)>>1)+((y)>>1)*image->stride[1]]=cmap2x2->clr1_0;\
445 image->planes[2][((x)>>1)+((y)>>1)*image->stride[2]]=cmap2x2->clr1_1;
447 static void XA_2x2_OUT_1BLK_Convert(unsigned char *image_p, unsigned int x, unsigned int y,
448 unsigned int imagex, XA_2x2_Color *cmap2x2)
450 mp_image_t *mpi = (mp_image_t *)image_p;
452 #if 0
453 SET_4_YUV_PIXELS(mpi,x,y,cmap2x2)
454 #else
455 SET_4_YUV_PIXELS(mpi,x,y,cmap2x2)
456 SET_4_YUV_PIXELS(mpi,x+2,y,cmap2x2)
457 SET_4_YUV_PIXELS(mpi,x,y+2,cmap2x2)
458 SET_4_YUV_PIXELS(mpi,x+2,y+2,cmap2x2)
459 #endif
461 return;
464 static void XA_2x2_OUT_4BLKS_Convert(unsigned char *image_p, unsigned int x, unsigned int y,
465 unsigned int imagex, XA_2x2_Color *cm0, XA_2x2_Color *cm1, XA_2x2_Color *cm2,
466 XA_2x2_Color *cm3)
468 mp_image_t *mpi = (mp_image_t *)image_p;
470 SET_4_YUV_PIXELS(mpi,x,y,cm0)
471 SET_4_YUV_PIXELS(mpi,x+2,y,cm1)
472 SET_4_YUV_PIXELS(mpi,x,y+2,cm2)
473 SET_4_YUV_PIXELS(mpi,x+2,y+2,cm3)
474 return;
477 void *YUV2x2_Blk_Func(unsigned int image_type, int blks, unsigned int dith_flag)
479 mp_dbg(MSGT_DECVIDEO,MSGL_DBG2, "YUV2x2_Blk_Func(image_type=%d, blks=%d, dith_flag=%d)\n",
480 image_type, blks, dith_flag);
481 switch(blks){
482 case 1:
483 return (void*) XA_2x2_OUT_1BLK_Convert;
484 case 4:
485 return (void*) XA_2x2_OUT_4BLKS_Convert;
488 mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Unimplemented: YUV2x2_Blk_Func(image_type=%d blks=%d dith=%d)\n",image_type,blks,dith_flag);
489 return (void*) XA_dummy;
492 // Take Four Y's and UV and put them into a 2x2 Color structure.
494 static void XA_YUV_2x2_clr(XA_2x2_Color *cmap2x2, unsigned int Y0, unsigned int Y1,
495 unsigned int Y2, unsigned int Y3, unsigned int U, unsigned int V,
496 unsigned int map_flag, unsigned int *map, XA_CHDR *chdr)
499 mp_dbg(MSGT_DECVIDEO,MSGL_DBG3, "XA_YUV_2x2_clr(%p [%d,%d,%d,%d][%d][%d] %d %p %p)\n",
500 cmap2x2,Y0,Y1,Y2,Y3,U,V,map_flag,map,chdr);
502 cmap2x2->clr0_0=Y0;
503 cmap2x2->clr0_1=Y1;
504 cmap2x2->clr0_2=Y2;
505 cmap2x2->clr0_3=Y3;
506 cmap2x2->clr1_0=U;
507 cmap2x2->clr1_1=V;
508 return;
511 void *YUV2x2_Map_Func(unsigned int image_type, unsigned int dith_type)
513 mp_dbg(MSGT_DECVIDEO,MSGL_DBG2, "YUV2x2_Map_Func('image_type: %d', 'dith_type: %d')",
514 image_type, dith_type);
515 return (void*)XA_YUV_2x2_clr;
518 /* -------------------- whole YUV frame converters ------------------------- */
520 typedef struct
522 unsigned char *Ybuf;
523 unsigned char *Ubuf;
524 unsigned char *Vbuf;
525 unsigned char *the_buf;
526 unsigned int the_buf_size;
527 unsigned short y_w, y_h;
528 unsigned short uv_w, uv_h;
529 } YUVBufs;
531 typedef struct
533 unsigned long Uskip_mask;
534 long *YUV_Y_tab;
535 long *YUV_UB_tab;
536 long *YUV_VR_tab;
537 long *YUV_UG_tab;
538 long *YUV_VG_tab;
539 } YUVTabs;
541 YUVBufs jpg_YUVBufs;
542 YUVTabs def_yuv_tabs;
544 /* -------------- YUV 4x4 1x1 1x1 (4:1:0 aka YVU9) [Indeo 3,4,5] ------------------ */
546 static void XA_YUV1611_Convert(unsigned char *image_p, unsigned int imagex, unsigned int imagey,
547 unsigned int i_x, unsigned int i_y, YUVBufs *yuv, YUVTabs *yuv_tabs,
548 unsigned int map_flag, unsigned int *map, XA_CHDR *chdr)
550 sh_video_t *sh = (sh_video_t*)image_p;
551 vd_xanim_ctx *priv = sh->context;
552 mp_image_t *mpi;
553 int y;
554 int ystride=(yuv->y_w)?yuv->y_w:imagex;
555 int uvstride=(yuv->uv_w)?yuv->uv_w:(imagex/4);
557 mp_dbg(MSGT_DECVIDEO,MSGL_DBG3, "YUVTabs: %d %p %p %p %p %p\n",yuv_tabs->Uskip_mask,
558 yuv_tabs->YUV_Y_tab,
559 yuv_tabs->YUV_UB_tab,
560 yuv_tabs->YUV_VR_tab,
561 yuv_tabs->YUV_UG_tab,
562 yuv_tabs->YUV_VG_tab );
564 mp_dbg(MSGT_DECVIDEO,MSGL_DBG3, "XA_YUV1611_Convert('image: %08x', 'imagex: %d', 'imagey: %d', 'i_x: %d', 'i_y: %d', 'yuv_bufs: %08x', 'yuv_tabs: %08x', 'map_flag: %d', 'map: %08x', 'chdr: %08x')",
565 image_p, imagex, imagey, i_x, i_y, yuv, yuv_tabs, map_flag, map, chdr);
567 mp_dbg(MSGT_DECVIDEO,MSGL_DBG3, "YUV: %p %p %p %X (%d) %dx%d %dx%d\n",
568 yuv->Ybuf,yuv->Ubuf,yuv->Vbuf,yuv->the_buf,yuv->the_buf_size,
569 yuv->y_w,yuv->y_h,yuv->uv_w,yuv->uv_h);
571 if(!yuv_tabs->YUV_Y_tab){
572 // standard YVU9 - simply export it!
573 mpi = mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, 0,
574 sh->disp_w, sh->disp_h);
575 priv->mpi=mpi; if(!mpi) return; // ERROR!
576 mpi->planes[0]=yuv->Ybuf;
577 mpi->planes[1]=yuv->Ubuf;
578 mpi->planes[2]=yuv->Vbuf;
579 mpi->width=imagex;
580 mpi->stride[0]=ystride; //i_x; // yuv->y_w
581 mpi->stride[1]=mpi->stride[2]=uvstride; //i_x/4; // yuv->uv_w
582 return;
585 // allocate TEMP buffer and convert the image:
586 mpi = mpcodecs_get_image(sh, MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
587 sh->disp_w, sh->disp_h);
588 priv->mpi=mpi; if(!mpi) return; // ERROR!
590 // convert the Y plane:
591 for(y=0;y<(int)imagey;y++){
592 unsigned int x;
593 unsigned char* s=yuv->Ybuf+ystride*y;
594 unsigned char* d=mpi->planes[0]+mpi->stride[0]*y;
595 for(x=0;x<imagex;x++) d[x]=s[x]<<1;
598 imagex>>=2;
599 imagey>>=2;
601 // convert the U plane:
602 for(y=0;y<(int)imagey;y++){
603 unsigned int x;
604 unsigned char* s=yuv->Ubuf+uvstride*y;
605 unsigned char* d=mpi->planes[1]+mpi->stride[1]*y;
606 for(x=0;x<imagex;x++) d[x]=s[x]<<1;
609 // convert the V plane:
610 for(y=0;y<(int)imagey;y++){
611 unsigned int x;
612 unsigned char* s=yuv->Vbuf+uvstride*y;
613 unsigned char* d=mpi->planes[2]+mpi->stride[2]*y;
614 for(x=0;x<imagex;x++) d[x]=s[x]<<1;
618 void *XA_YUV1611_Func(unsigned int image_type)
620 mp_dbg(MSGT_DECVIDEO,MSGL_DBG2, "XA_YUV1611_Func('image_type: %d')", image_type);
621 return (void *)XA_YUV1611_Convert;
624 /* --------------- YUV 2x2 1x1 1x1 (4:2:0 aka YV12) [3ivX,H263] ------------ */
626 static void XA_YUV221111_Convert(unsigned char *image_p, unsigned int imagex, unsigned int imagey,
627 unsigned int i_x, unsigned int i_y, YUVBufs *yuv, YUVTabs *yuv_tabs, unsigned int map_flag,
628 unsigned int *map, XA_CHDR *chdr)
630 sh_video_t *sh = (sh_video_t*)image_p;
631 vd_xanim_ctx *priv = sh->context;
632 mp_image_t *mpi;
633 // note: 3ivX codec doesn't set y_w, uv_w, they are random junk :(
634 int ystride=imagex; //(yuv->y_w)?yuv->y_w:imagex;
635 int uvstride=imagex/2; //(yuv->uv_w)?yuv->uv_w:(imagex/2);
637 mp_dbg(MSGT_DECVIDEO,MSGL_DBG3, "XA_YUV221111_Convert(%p %dx%d %d;%d [%dx%d] %p %p %d %p %p)\n",
638 image_p,imagex,imagey,i_x,i_y, sh->disp_w, sh->disp_h,
639 yuv,yuv_tabs,map_flag,map,chdr);
641 mp_dbg(MSGT_DECVIDEO,MSGL_DBG3, "YUV: %p %p %p %X (%X) %Xx%X %Xx%X\n",
642 yuv->Ybuf,yuv->Ubuf,yuv->Vbuf,yuv->the_buf,yuv->the_buf_size,
643 yuv->y_w,yuv->y_h,yuv->uv_w,yuv->uv_h);
645 // standard YV12 - simply export it!
646 mpi = mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, 0, sh->disp_w, sh->disp_h);
647 priv->mpi=mpi; if(!mpi) return; // ERROR!
648 mpi->planes[0]=yuv->Ybuf;
649 mpi->planes[1]=yuv->Ubuf;
650 mpi->planes[2]=yuv->Vbuf;
651 mpi->width=imagex;
652 mpi->stride[0]=ystride; //i_x; // yuv->y_w
653 mpi->stride[1]=mpi->stride[2]=uvstride; //=i_x/4; // yuv->uv_w
656 void *XA_YUV221111_Func(unsigned int image_type)
658 mp_dbg(MSGT_DECVIDEO,MSGL_DBG2, "XA_YUV221111_Func('image_type: %d')\n",image_type);
659 return (void *)XA_YUV221111_Convert;
662 /* *** EOF XANIM *** */
664 // to set/get/query special features/parameters
665 static int control(sh_video_t *sh,int cmd,void* arg,...){
666 return CONTROL_UNKNOWN;
669 // init driver
670 static int init(sh_video_t *sh)
672 vd_xanim_ctx *priv;
673 char dll[1024];
674 XA_CODEC_HDR codec_hdr;
675 int i;
677 priv = malloc(sizeof(vd_xanim_ctx));
678 if (!priv)
679 return 0;
680 sh->context = priv;
681 memset(priv, 0, sizeof(vd_xanim_ctx));
683 if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YV12)) return 0;
685 priv->iq_func = NULL;
686 priv->dec_func = NULL;
688 for (i=0; i < XA_CLOSE_FUNCS; i++)
689 xa_close_func[i] = NULL;
691 snprintf(dll, 1024, "%s/%s", codec_path, sh->codec->dll);
692 if (xacodec_load(sh, dll) == 0)
693 return 0;
695 codec_hdr.xapi_rev = XAVID_API_REV;
696 codec_hdr.anim_hdr = malloc(4096);
697 codec_hdr.description = sh->codec->info;
698 codec_hdr.compression = bswap_32(sh->bih->biCompression);
699 codec_hdr.decoder = NULL;
700 codec_hdr.x = sh->bih->biWidth; /* ->disp_w */
701 codec_hdr.y = sh->bih->biHeight; /* ->disp_h */
702 /* extra fields to store palette */
703 codec_hdr.avi_ctab_flag = 0;
704 codec_hdr.avi_read_ext = NULL;
705 codec_hdr.extra = NULL;
707 switch(sh->codec->outfmt[sh->outfmtidx])
709 case IMGFMT_BGR32:
710 codec_hdr.depth = 32;
711 break;
712 case IMGFMT_BGR24:
713 codec_hdr.depth = 24;
714 break;
715 case IMGFMT_IYUV:
716 case IMGFMT_I420:
717 case IMGFMT_YV12:
718 codec_hdr.depth = 12;
719 break;
720 case IMGFMT_YVU9:
721 codec_hdr.depth = 9;
722 break;
723 default:
724 mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: not supported image out format (%s)\n",
725 vo_format_name(sh->codec->outfmt[sh->outfmtidx]));
726 return 0;
728 mp_msg(MSGT_DECVIDEO, MSGL_INFO, "xacodec: querying for input %dx%d %dbit [fourcc: %4x] (%s)...\n",
729 codec_hdr.x, codec_hdr.y, codec_hdr.depth, codec_hdr.compression, codec_hdr.description);
731 if (xacodec_query(sh, &codec_hdr) == 0)
732 return 0;
734 // free(codec_hdr.anim_hdr);
736 priv->decinfo = malloc(sizeof(XA_DEC_INFO));
737 if (priv->decinfo == NULL)
739 mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: memory allocation error: %s\n",
740 strerror(errno));
741 return 0;
743 priv->decinfo->cmd = 0;
744 priv->decinfo->skip_flag = 0;
745 priv->decinfo->imagex = priv->decinfo->xe = codec_hdr.x;
746 priv->decinfo->imagey = priv->decinfo->ye = codec_hdr.y;
747 priv->decinfo->imaged = codec_hdr.depth;
748 priv->decinfo->chdr = NULL;
749 priv->decinfo->map_flag = 0; /* xaFALSE */
750 priv->decinfo->map = NULL;
751 priv->decinfo->xs = priv->decinfo->ys = 0;
752 priv->decinfo->special = 0;
753 priv->decinfo->extra = codec_hdr.extra;
754 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "decinfo->extra, filled by codec: %p [%s]\n",
755 &priv->decinfo->extra, (char *)priv->decinfo->extra);
757 return 1;
760 // uninit driver
761 static void uninit(sh_video_t *sh)
763 vd_xanim_ctx *priv = sh->context;
764 int i;
765 void (*close_func)(void);
767 for (i=0; i < XA_CLOSE_FUNCS; i++)
768 if (xa_close_func[i])
770 close_func = xa_close_func[i];
771 close_func();
773 dlclose(priv->file_handler);
774 if (priv->decinfo != NULL)
775 free(priv->decinfo);
776 free(priv);
779 // unsigned int (*dec_func)(unsigned char *image, unsigned char *delta,
780 // unsigned int dsize, XA_DEC_INFO *dec_info);
782 // decode a frame
783 static mp_image_t* decode(sh_video_t *sh, void *data, int len, int flags)
785 vd_xanim_ctx *priv = sh->context;
786 unsigned int ret;
788 if (len <= 0)
789 return NULL; // skipped frame
791 priv->decinfo->skip_flag = (flags&3)?1:0;
793 if(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_STATIC){
794 // allocate static buffer for cvid-like codecs:
795 priv->mpi = mpcodecs_get_image(sh, MP_IMGTYPE_STATIC,
796 MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
797 (sh->disp_w+3)&(~3), (sh->disp_h+3)&(~3));
798 if (!priv->mpi) return NULL;
799 ret = priv->dec_func((uint8_t*)priv->mpi, data, len, priv->decinfo);
800 } else {
801 // left the buffer allocation to the codecs, pass sh_video && priv
802 priv->mpi=NULL;
803 ret = priv->dec_func((uint8_t*)sh, data, len, priv->decinfo);
806 if (ret == ACT_DLTA_NORM)
807 return priv->mpi;
809 if (ret & ACT_DLTA_MAPD)
810 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "mapd\n");
812 if (!(ret & ACT_DLT_MAPD))
813 xacodec_driver->decinfo->map_flag = 0;
814 else
816 xacodec_driver->decinfo->map_flag = 1;
817 xacodec_driver->decinfo->map = ...
821 if (ret & ACT_DLTA_XOR)
823 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "xor\n");
824 return priv->mpi;
827 /* nothing changed */
828 if (ret & ACT_DLTA_NOP)
830 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "nop\n");
831 return NULL;
834 /* frame dropped (also display latest frame) */
835 if (ret & ACT_DLTA_DROP)
837 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "drop\n");
838 return NULL;
841 if (ret & ACT_DLTA_BAD)
843 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "bad\n");
844 return NULL;
847 /* used for double buffer */
848 if (ret & ACT_DLTA_BODY)
850 mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "body\n");
851 return NULL;
854 return priv->mpi;