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Remove trailing whitespace from most files
[mplayer/glamo.git] / libvo / sub.c
blobf729f56ad8ea77636f653f36c22f1177aa0053c9
1 /*
2 * This file is part of MPlayer.
3 *
4 * MPlayer is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * MPlayer is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17 */
18
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <string.h>
22
23 #include "config.h"
24 #if HAVE_MALLOC_H
25 #include <malloc.h>
26 #endif
27
28 #include "stream/stream.h"
29 #include "stream/stream_dvdnav.h"
30 #define OSD_NAV_BOX_ALPHA 0x7f
31
32 #include "stream/tv.h"
33 #include "osdep/timer.h"
34
35 #include "talloc.h"
36 #include "mplayer.h"
37 #include "mp_msg.h"
38 #include "help_mp.h"
39 #include "video_out.h"
40 #include "font_load.h"
41 #include "sub.h"
42 #include "spudec.h"
43 #include "libavutil/common.h"
44
45 #define NEW_SPLITTING
46
47
48 // Structures needed for the new splitting algorithm.
49 // osd_text_t contains the single subtitle word.
50 // osd_text_p is used to mark the lines of subtitles
51 struct osd_text_t {
52 int osd_kerning, //kerning with the previous word
53 osd_length, //orizontal length inside the bbox
54 text_length, //number of characters
55 *text; //characters
56 struct osd_text_t *prev,
57 *next;
58 };
59
60 struct osd_text_p {
61 int value;
62 struct osd_text_t *ott;
63 struct osd_text_p *prev,
64 *next;
65 };
66 //^
67
68 char * const sub_osd_names[]={
69 _("Seekbar"),
70 _("Play"),
71 _("Pause"),
72 _("Stop"),
73 _("Rewind"),
74 _("Forward"),
75 _("Clock"),
76 _("Contrast"),
77 _("Saturation"),
78 _("Volume"),
79 _("Brightness"),
80 _("Hue"),
81 _("Balance")
82 };
83 char * const sub_osd_names_short[] ={ "", "|>", "||", "[]", "<<" , ">>", "", "", "", "", "", "", "" };
84
85 //static int vo_font_loaded=-1;
86 font_desc_t* vo_font=NULL;
87
88 #ifdef CONFIG_TV_TELETEXT
89 void* vo_osd_teletext_page=NULL;
90 int vo_osd_teletext_half = 0;
91 int vo_osd_teletext_mode=0;
92 int vo_osd_teletext_format=0;
93 int vo_osd_teletext_scale=0;
94 #endif
95 int sub_unicode=0;
96 int sub_utf8=0;
97 int sub_pos=100;
98 int sub_width_p=100;
99 int sub_alignment=2; /* 0=top, 1=center, 2=bottom */
100 int sub_visibility=1;
101 int sub_bg_color=0; /* subtitles background color */
102 int sub_bg_alpha=0;
103 int sub_justify=0;
104 #ifdef CONFIG_DVDNAV
105 static nav_highlight_t nav_hl;
106 #endif
107
108 // return the real height of a char:
109 static inline int get_height(int c,int h){
110 int font;
111 if ((font=vo_font->font[c])>=0)
112 if(h<vo_font->pic_a[font]->h) h=vo_font->pic_a[font]->h;
113 return h;
114 }
115
116 // renders char to a big per-object buffer where alpha and bitmap are separated
117 static void draw_alpha_buf(mp_osd_obj_t* obj, int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
118 {
119 int dststride = obj->stride;
120 int dstskip = obj->stride-w;
121 int srcskip = stride-w;
122 int i, j;
123 unsigned char *b = obj->bitmap_buffer + (y0-obj->bbox.y1)*dststride + (x0-obj->bbox.x1);
124 unsigned char *a = obj->alpha_buffer + (y0-obj->bbox.y1)*dststride + (x0-obj->bbox.x1);
125 unsigned char *bs = src;
126 unsigned char *as = srca;
127
128 if (x0 < obj->bbox.x1 || x0+w > obj->bbox.x2 || y0 < obj->bbox.y1 || y0+h > obj->bbox.y2) {
129 fprintf(stderr, "osd text out of range: bbox [%d %d %d %d], txt [%d %d %d %d]\n",
130 obj->bbox.x1, obj->bbox.x2, obj->bbox.y1, obj->bbox.y2,
131 x0, x0+w, y0, y0+h);
132 return;
133 }
134
135 for (i = 0; i < h; i++) {
136 for (j = 0; j < w; j++, b++, a++, bs++, as++) {
137 if (*b < *bs) *b = *bs;
138 if (*as) {
139 if (*a == 0 || *a > *as) *a = *as;
140 }
141 }
142 b+= dstskip;
143 a+= dstskip;
144 bs+= srcskip;
145 as+= srcskip;
146 }
147 }
148
149 // allocates/enlarges the alpha/bitmap buffer
150 static void alloc_buf(mp_osd_obj_t* obj)
151 {
152 int len;
153 if (obj->bbox.x2 < obj->bbox.x1) obj->bbox.x2 = obj->bbox.x1;
154 if (obj->bbox.y2 < obj->bbox.y1) obj->bbox.y2 = obj->bbox.y1;
155 obj->stride = ((obj->bbox.x2-obj->bbox.x1)+7)&(~7);
156 len = obj->stride*(obj->bbox.y2-obj->bbox.y1);
157 if (obj->allocated<len) {
158 obj->allocated = len;
159 free(obj->bitmap_buffer);
160 free(obj->alpha_buffer);
161 obj->bitmap_buffer = (unsigned char *)memalign(16, len);
162 obj->alpha_buffer = (unsigned char *)memalign(16, len);
163 }
164 memset(obj->bitmap_buffer, sub_bg_color, len);
165 memset(obj->alpha_buffer, sub_bg_alpha, len);
166 }
167
168 // renders the buffer
169 inline static void vo_draw_text_from_buffer(mp_osd_obj_t* obj,void (*draw_alpha)(void *ctx, int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride), void *ctx)
170 {
171 if (obj->allocated > 0) {
172 draw_alpha(ctx,
173 obj->bbox.x1,obj->bbox.y1,
174 obj->bbox.x2-obj->bbox.x1,
175 obj->bbox.y2-obj->bbox.y1,
176 obj->bitmap_buffer,
177 obj->alpha_buffer,
178 obj->stride);
179 }
180 }
181
182 unsigned utf8_get_char(const char **str) {
183 const uint8_t *strp = (const uint8_t *)*str;
184 unsigned c;
185 GET_UTF8(c, *strp++, goto no_utf8;);
186 *str = (const char *)strp;
187 return c;
188
189 no_utf8:
190 strp = (const uint8_t *)*str;
191 c = *strp++;
192 *str = (const char *)strp;
193 return c;
194 }
195
196 inline static void vo_update_text_osd(struct osd_state *osd, mp_osd_obj_t* obj,
197 int dxs, int dys)
198 {
199 const char *cp = osd->osd_text;
200 int x=20;
201 int h=0;
202 int font;
203
204 obj->bbox.x1=obj->x=x;
205 obj->bbox.y1=obj->y=10;
206
207 while (*cp){
208 uint16_t c=utf8_get_char(&cp);
209 render_one_glyph(vo_font, c);
210 x+=vo_font->width[c]+vo_font->charspace;
211 h=get_height(c,h);
212 }
213
214 obj->bbox.x2=x-vo_font->charspace;
215 obj->bbox.y2=obj->bbox.y1+h;
216 obj->flags|=OSDFLAG_BBOX;
217
218 alloc_buf(obj);
219
220 cp = osd->osd_text;
221 x = obj->x;
222 while (*cp){
223 uint16_t c=utf8_get_char(&cp);
224 if ((font=vo_font->font[c])>=0)
225 draw_alpha_buf(obj,x,obj->y,
226 vo_font->width[c],
227 vo_font->pic_a[font]->h,
228 vo_font->pic_b[font]->bmp+vo_font->start[c],
229 vo_font->pic_a[font]->bmp+vo_font->start[c],
230 vo_font->pic_a[font]->w);
231 x+=vo_font->width[c]+vo_font->charspace;
232 }
233 }
234
235 #ifdef CONFIG_DVDNAV
236 void osd_set_nav_box (uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey) {
237 nav_hl.sx = sx;
238 nav_hl.sy = sy;
239 nav_hl.ex = ex;
240 nav_hl.ey = ey;
241 }
242
243 inline static void vo_update_nav (mp_osd_obj_t *obj, int dxs, int dys, int left_border, int top_border,
244 int right_border, int bottom_border, int orig_w, int orig_h) {
245 int len;
246 int sx = nav_hl.sx, sy = nav_hl.sy;
247 int ex = nav_hl.ex, ey = nav_hl.ey;
248 int scaled_w = dxs - left_border - right_border;
249 int scaled_h = dys - top_border - bottom_border;
250 if (scaled_w != orig_w) {
251 sx = sx * scaled_w / orig_w;
252 ex = ex * scaled_w / orig_w;
253 }
254 if (scaled_h != orig_h) {
255 sy = sy * scaled_h / orig_h;
256 ey = ey * scaled_h / orig_h;
257 }
258 sx += left_border; ex += left_border;
259 sy += top_border; ey += top_border;
260 sx = FFMIN(FFMAX(sx, 0), dxs);
261 ex = FFMIN(FFMAX(ex, 0), dxs);
262 sy = FFMIN(FFMAX(sy, 0), dys);
263 ey = FFMIN(FFMAX(ey, 0), dys);
264
265 obj->bbox.x1 = obj->x = sx;
266 obj->bbox.y1 = obj->y = sy;
267 obj->bbox.x2 = ex;
268 obj->bbox.y2 = ey;
269
270 alloc_buf (obj);
271 len = obj->stride * (obj->bbox.y2 - obj->bbox.y1);
272 memset (obj->bitmap_buffer, OSD_NAV_BOX_ALPHA, len);
273 memset (obj->alpha_buffer, OSD_NAV_BOX_ALPHA, len);
274 obj->flags |= OSDFLAG_BBOX | OSDFLAG_CHANGED;
275 if (obj->bbox.y2 > obj->bbox.y1 && obj->bbox.x2 > obj->bbox.x1)
276 obj->flags |= OSDFLAG_VISIBLE;
277 }
278 #endif
279
280 #ifdef CONFIG_TV_TELETEXT
281 // renders char to a big per-object buffer where alpha and bitmap are separated
282 static void tt_draw_alpha_buf(mp_osd_obj_t* obj, int x0,int y0, int w,int h, unsigned char* src, int stride,int fg,int bg,int alpha)
283 {
284 int dststride = obj->stride;
285 int dstskip = obj->stride-w;
286 int srcskip = stride-w;
287 int i, j;
288 unsigned char *b = obj->bitmap_buffer + (y0-obj->bbox.y1)*dststride + (x0-obj->bbox.x1);
289 unsigned char *a = obj->alpha_buffer + (y0-obj->bbox.y1)*dststride + (x0-obj->bbox.x1);
290 unsigned char *bs = src;
291 if (x0 < obj->bbox.x1 || x0+w > obj->bbox.x2 || y0 < obj->bbox.y1 || y0+h > obj->bbox.y2) {
292 mp_msg(MSGT_OSD,MSGL_ERR,"tt osd text out of range: bbox [%d %d %d %d], txt [%d %d %d %d]\n",
293 obj->bbox.x1, obj->bbox.x2, obj->bbox.y1, obj->bbox.y2,
294 x0, x0+w, y0, y0+h);
295 return;
296 }
297 for (i = 0; i < h; i++) {
298 for (j = 0; j < w; j++, b++, a++, bs++) {
299 *b=(fg-bg)*(*bs)/255+bg;
300 *a=alpha;
301 }
302 b+= dstskip;
303 a+= dstskip;
304 bs+= srcskip;
305 }
306 }
307 inline static void vo_update_text_teletext(mp_osd_obj_t *obj, int dxs, int dys)
308 {
309 int h=0,w=0,i,j,font,flashon;
310 int wm,hm;
311 int color;
312 int x,y,x0,y0;
313 int cols,rows;
314 int wm12;
315 int hm13;
316 int hm23;
317 int start_row,max_rows;
318 int b,ax[6],ay[6],aw[6],ah[6];
319 tt_char tc;
320 tt_char* tdp=vo_osd_teletext_page;
321 unsigned char colors[8]={1,85,150,226,70,105,179,254};
322 unsigned char* buf[9];
323
324 obj->flags|=OSDFLAG_CHANGED|OSDFLAG_VISIBLE;
325 if (!tdp || !vo_osd_teletext_mode) {
326 obj->flags&=~OSDFLAG_VISIBLE;
327 return;
328 }
329 flashon=(GetTimer()/1000000)%2;
330 switch(vo_osd_teletext_half){
331 case TT_ZOOM_TOP_HALF:
332 start_row=0;
333 max_rows=VBI_ROWS/2;
334 break;
335 case TT_ZOOM_BOTTOM_HALF:
336 start_row=VBI_ROWS/2;
337 max_rows=VBI_ROWS/2;
338 break;
339 default:
340 start_row=0;
341 max_rows=VBI_ROWS;
342 break;
343 }
344 wm=0;
345 for(i=start_row;i<max_rows;i++){
346 for(j=0;j<VBI_COLUMNS;j++){
347 tc=tdp[i*VBI_COLUMNS+j];
348 if(!tc.ctl && !tc.gfx)
349 {
350 render_one_glyph(vo_font, tc.unicode);
351 if (wm<vo_font->width[tc.unicode])
352 wm=vo_font->width[tc.unicode];
353 }
354 }
355 }
356
357 hm=vo_font->height+1;
358 wm=dxs*hm*max_rows/(dys*VBI_COLUMNS);
359
360 //very simple teletext font auto scaling
361 if(!vo_osd_teletext_scale && hm*(max_rows+1)>dys){
362 text_font_scale_factor*=1.0*(dys)/((max_rows+1)*hm);
363 force_load_font=1;
364 vo_osd_teletext_scale=text_font_scale_factor;
365 obj->flags&=~OSDFLAG_VISIBLE;
366 return;
367 }
368
369 cols=dxs/wm;
370 rows=dys/hm;
371
372 if(cols>VBI_COLUMNS)
373 cols=VBI_COLUMNS;
374 if(rows>max_rows)
375 rows=max_rows;
376 w=cols*wm-vo_font->charspace;
377 h=rows*hm-vo_font->charspace;
378
379 if(w<dxs)
380 x0=(dxs-w)/2;
381 else
382 x0=0;
383 if(h<dys)
384 y0=(dys-h)/2;
385 else
386 y0=0;
387
388 wm12=wm>>1;
389 hm13=(hm+1)/3;
390 hm23=hm13<<1;
391
392 for(i=0;i<6;i+=2){
393 ax[i+0]=0;
394 aw[i+0]=wm12;
395
396 ax[i+1]=wm12;
397 aw[i+1]=wm-wm12;
398 }
399
400 for(i=0;i<2;i++){
401 ay[i+0]=0;
402 ah[i+0]=hm13;
403
404 ay[i+2]=hm13;
405 ah[i+2]=hm-hm23;
406
407 ay[i+4]=hm-hm13;
408 ah[i+4]=hm13;
409 }
410
411 obj->x = 0;
412 obj->y = 0;
413 obj->bbox.x1 = x0;
414 obj->bbox.y1 = y0;
415 obj->bbox.x2 = x0+w;
416 obj->bbox.y2 = y0+h;
417 obj->flags |= OSDFLAG_BBOX;
418 alloc_buf(obj);
419
420 for(i=0;i<9;i++)
421 buf[i]=malloc(wm*hm);
422
423 //alpha
424 if(vo_osd_teletext_format==TT_FORMAT_OPAQUE ||vo_osd_teletext_format==TT_FORMAT_OPAQUE_INV)
425 color=1;
426 else
427 color=200;
428 memset(buf[8],color,wm*hm);
429 //colors
430 if(vo_osd_teletext_format==TT_FORMAT_OPAQUE ||vo_osd_teletext_format==TT_FORMAT_TRANSPARENT){
431 for(i=0;i<8;i++){
432 memset(buf[i],(unsigned char)(1.0*(255-color)*colors[i]/255),wm*hm);
433 }
434 }else{
435 for(i=0;i<8;i++)
436 memset(buf[i],(unsigned char)(1.0*(255-color)*colors[7-i]/255),wm*hm);
437 }
438
439 y=y0;
440 for(i=0;i<rows;i++){
441 x=x0;
442 for(j=0;j<cols;j++){
443 tc=tdp[(i+start_row)*VBI_COLUMNS+j];
444 if (tc.hidden) { x+=wm; continue;}
445 if(!tc.gfx || (tc.flh && !flashon)){
446 /* Rendering one text character */
447 draw_alpha_buf(obj,x,y,wm,hm,buf[tc.bg],buf[8],wm);
448 if(tc.unicode!=0x20 && tc.unicode!=0x00 && !tc.ctl &&
449 (!tc.flh || flashon) &&
450 (font=vo_font->font[tc.unicode])>=0 && y+hm<dys){
451 tt_draw_alpha_buf(obj,x,y,vo_font->width[tc.unicode],vo_font->height,
452 vo_font->pic_b[font]->bmp+vo_font->start[tc.unicode]-vo_font->charspace*vo_font->pic_a[font]->w,
453 vo_font->pic_b[font]->w,
454 buf[tc.fg][0],buf[tc.bg][0],buf[8][0]);
455 }
456 }else{
457 /*
458 Rendering one graphics character
459 TODO: support for separated graphics symbols (where six rectangles does not touch each other)
460
461 +--+ +--+ 87654321
462 |01| |12| --------
463 |10| <= |34| <= 00100110 <= 0x26
464 |01| |56|
465 +--+ +--+
466
467 (0:wm/2) (wm/2:wm-wm/2)
468
469 ********** *********** (0:hm/3)
470 *** **** **** ****
471 *** 1 **** **** 2 ****
472 *** **** **** ****
473 ********** ***********
474 ********** ***********
475
476 ********** *********** (hm/3:hm-2*hm/3)
477 ********** ***********
478 *** **** **** ****
479 *** 3 **** **** 4 ****
480 *** **** **** ****
481 ********** ***********
482 ********** ***********
483 ********** ***********
484
485 ********** *********** (hm-hm/3:hm/3)
486 *** **** **** ****
487 *** 5 **** **** 6 ****
488 *** **** **** ****
489 ********** ***********
490 ********** ***********
491
492 */
493 if(tc.gfx>1){ //separated gfx
494 for(b=0;b<6;b++){
495 color=(tc.unicode>>b)&1?tc.fg:tc.bg;
496 draw_alpha_buf(obj,x+ax[b]+1,y+ay[b]+1,aw[b]-2,ah[b]-2,buf[color],buf[8],wm);
497 }
498 //separated gfx (background borders)
499 //vertical
500 draw_alpha_buf(obj,x ,y,1,hm,buf[tc.bg],buf[8],wm);
501 draw_alpha_buf(obj,x+ax[1]-1,y,2,hm,buf[tc.bg],buf[8],wm);
502 draw_alpha_buf(obj,x+ax[1]+aw[1]-1,y,wm-ax[1]-aw[1]+1,hm,buf[tc.bg],buf[8],wm);
503 //horizontal
504 draw_alpha_buf(obj,x,y ,wm,1,buf[tc.bg],buf[8],wm);
505 draw_alpha_buf(obj,x,y+ay[0]+ah[0]-1,wm,2,buf[tc.bg],buf[8],wm);
506 draw_alpha_buf(obj,x,y+ay[2]+ah[2]-1,wm,2,buf[tc.bg],buf[8],wm);
507 draw_alpha_buf(obj,x,y+ay[4]+ah[4]-1,wm,hm-ay[4]-ah[4]+1,buf[tc.bg],buf[8],wm);
508 }else{
509 for(b=0;b<6;b++){
510 color=(tc.unicode>>b)&1?tc.fg:tc.bg;
511 draw_alpha_buf(obj,x+ax[b],y+ay[b],aw[b],ah[b],buf[color],buf[8],wm);
512 }
513 }
514 }
515 x+=wm;
516 }
517 y+=hm;
518 }
519 for(i=0;i<9;i++)
520 free(buf[i]);
521 }
522 #endif
523
524 int vo_osd_progbar_type=-1;
525 int vo_osd_progbar_value=100; // 0..256
526
527 // if we have n=256 bars then OSD progbar looks like below
528 //
529 // 0 1 2 3 ... 256 <= vo_osd_progbar_value
530 // | | | | |
531 // [ === === === ... === ]
532 //
533 // the above schema is rescalled to n=elems bars
534
535 inline static void vo_update_text_progbar(mp_osd_obj_t* obj,int dxs,int dys){
536
537 obj->flags|=OSDFLAG_CHANGED|OSDFLAG_VISIBLE;
538
539 if(vo_osd_progbar_type<0 || !vo_font){
540 obj->flags&=~OSDFLAG_VISIBLE;
541 return;
542 }
543
544 render_one_glyph(vo_font, OSD_PB_START);
545 render_one_glyph(vo_font, OSD_PB_END);
546 render_one_glyph(vo_font, OSD_PB_0);
547 render_one_glyph(vo_font, OSD_PB_1);
548 render_one_glyph(vo_font, vo_osd_progbar_type);
549
550 // calculate bbox corners:
551 { int h=0;
552 int y=(dys-vo_font->height)/2;
553 int delimw=vo_font->width[OSD_PB_START]
554 +vo_font->width[OSD_PB_END]
555 +vo_font->charspace;
556 int width=(2*dxs-3*delimw)/3;
557 int charw=vo_font->width[OSD_PB_0]+vo_font->charspace;
558 int elems=width/charw;
559 int x=(dxs-elems*charw-delimw)/2;
560 int delta = 0;
561 h=get_height(OSD_PB_START,h);
562 h=get_height(OSD_PB_END,h);
563 h=get_height(OSD_PB_0,h);
564 h=get_height(OSD_PB_1,h);
565 if (vo_osd_progbar_type>0 && vo_font->font[vo_osd_progbar_type]>=0){
566 delta = vo_font->width[vo_osd_progbar_type]+vo_font->spacewidth;
567 delta = (x-delta > 0) ? delta : x;
568 h=get_height(vo_osd_progbar_type,h);
569 }
570 obj->bbox.x1=obj->x=x;
571 obj->bbox.y1=obj->y=y;
572 obj->bbox.x2=x+width+delimw;
573 obj->bbox.y2=y+h; //vo_font->height;
574 obj->flags|=OSDFLAG_BBOX;
575 obj->params.progbar.elems=elems;
576 obj->bbox.x1-=delta; // space for an icon
577 }
578
579 alloc_buf(obj);
580
581 {
582 int minw = vo_font->width[OSD_PB_START]+vo_font->width[OSD_PB_END]+vo_font->width[OSD_PB_0];
583 if (vo_osd_progbar_type>0 && vo_font->font[vo_osd_progbar_type]>=0){
584 minw += vo_font->width[vo_osd_progbar_type]+vo_font->charspace+vo_font->spacewidth;
585 }
586 if (obj->bbox.x2 - obj->bbox.x1 < minw) return; // space too small, don't render anything
587 }
588
589 // render it:
590 { unsigned char *s;
591 unsigned char *sa;
592 int i,w,h,st,mark;
593 int x=obj->x;
594 int y=obj->y;
595 int c,font;
596 int charw=vo_font->width[OSD_PB_0]+vo_font->charspace;
597 int elems=obj->params.progbar.elems;
598
599 if (vo_osd_progbar_value<=0)
600 mark=0;
601 else {
602 int ev=vo_osd_progbar_value*elems;
603 mark=ev>>8;
604 if (ev & 0xFF) mark++;
605 if (mark>elems) mark=elems;
606 }
607
608
609 // printf("osd.progbar width=%d xpos=%d\n",width,x);
610
611 c=vo_osd_progbar_type;
612 if(vo_osd_progbar_type>0 && (font=vo_font->font[c])>=0) {
613 int xp=x-vo_font->width[c]-vo_font->spacewidth;
614 draw_alpha_buf(obj,(xp<0?0:xp),y,
615 vo_font->width[c],
616 vo_font->pic_a[font]->h,
617 vo_font->pic_b[font]->bmp+vo_font->start[c],
618 vo_font->pic_a[font]->bmp+vo_font->start[c],
619 vo_font->pic_a[font]->w);
620 }
621
622 c=OSD_PB_START;
623 if ((font=vo_font->font[c])>=0)
624 draw_alpha_buf(obj,x,y,
625 vo_font->width[c],
626 vo_font->pic_a[font]->h,
627 vo_font->pic_b[font]->bmp+vo_font->start[c],
628 vo_font->pic_a[font]->bmp+vo_font->start[c],
629 vo_font->pic_a[font]->w);
630 x+=vo_font->width[c]+vo_font->charspace;
631
632 c=OSD_PB_0;
633 if ((font=vo_font->font[c])>=0){
634 w=vo_font->width[c];
635 h=vo_font->pic_a[font]->h;
636 s=vo_font->pic_b[font]->bmp+vo_font->start[c];
637 sa=vo_font->pic_a[font]->bmp+vo_font->start[c];
638 st=vo_font->pic_a[font]->w;
639 if ((i=mark)) do {
640 draw_alpha_buf(obj,x,y,w,h,s,sa,st);
641 x+=charw;
642 } while(--i);
643 }
644
645 c=OSD_PB_1;
646 if ((font=vo_font->font[c])>=0){
647 w=vo_font->width[c];
648 h=vo_font->pic_a[font]->h;
649 s =vo_font->pic_b[font]->bmp+vo_font->start[c];
650 sa=vo_font->pic_a[font]->bmp+vo_font->start[c];
651 st=vo_font->pic_a[font]->w;
652 if ((i=elems-mark)) do {
653 draw_alpha_buf(obj,x,y,w,h,s,sa,st);
654 x+=charw;
655 } while(--i);
656 }
657
658 c=OSD_PB_END;
659 if ((font=vo_font->font[c])>=0)
660 draw_alpha_buf(obj,x,y,
661 vo_font->width[c],
662 vo_font->pic_a[font]->h,
663 vo_font->pic_b[font]->bmp+vo_font->start[c],
664 vo_font->pic_a[font]->bmp+vo_font->start[c],
665 vo_font->pic_a[font]->w);
666 // x+=vo_font->width[c]+vo_font->charspace;
667
668 }
669 // vo_osd_progbar_value=(vo_osd_progbar_value+1)&0xFF;
670
671 }
672
673 subtitle* vo_sub=NULL;
674
675 inline static void vo_update_text_sub(struct osd_state *osd, mp_osd_obj_t* obj,int dxs,int dys){
676 unsigned char *t;
677 int c,i,j,l,x,y,font,prevc,counter;
678 int k;
679 int lastStripPosition;
680 int xsize;
681 int xmin=dxs,xmax=0;
682 int h,lasth;
683 int xtblc, utblc;
684 struct font_desc *sub_font = osd->sub_font;
685
686 obj->flags|=OSDFLAG_CHANGED|OSDFLAG_VISIBLE;
687
688 if(!vo_sub || !osd->sub_font || !sub_visibility || (sub_font->font[40]<0)){
689 obj->flags&=~OSDFLAG_VISIBLE;
690 return;
691 }
692
693 obj->bbox.y2=obj->y=dys;
694 obj->params.subtitle.lines=0;
695
696 // too long lines divide into a smaller ones
697 i=k=lasth=0;
698 h=sub_font->height;
699 lastStripPosition=-1;
700 l=vo_sub->lines;
701
702 {
703 struct osd_text_t *osl, *cp_ott, *tmp_ott, *tmp;
704 struct osd_text_p *otp_sub = NULL, *otp_sub_tmp, // these are used to store the whole sub text osd
705 *otp, *tmp_otp, *pmt; // these are used to manage sub text osd coming from a single sub line
706 int *char_seq, char_position, xlimit = dxs * sub_width_p / 100, counter;
707
708 while (l) {
709 xsize = -sub_font->charspace;
710 l--;
711 t=vo_sub->text[i++];
712 char_position = 0;
713 char_seq = calloc(strlen(t), sizeof(int));
714
715 prevc = -1;
716
717 otp = NULL;
718 osl = NULL;
719 x = 1;
720
721 // reading the subtitle words from vo_sub->text[]
722 while (*t) {
723 if (sub_utf8)
724 c = utf8_get_char(&t);
725 else if ((c = *t++) >= 0x80 && sub_unicode)
726 c = (c<<8) + *t++;
727 if (k==MAX_UCS){
728 t += strlen(t); // end here
729 mp_msg(MSGT_OSD,MSGL_WARN,"\nMAX_UCS exceeded!\n");
730 }
731 if (!c) c++; // avoid UCS 0
732 render_one_glyph(sub_font, c);
733
734 if (c == ' ') {
735 struct osd_text_t *tmp_ott = (struct osd_text_t *) calloc(1, sizeof(struct osd_text_t));
736
737 if (osl == NULL) {
738 osl = cp_ott = tmp_ott;
739 } else {
740 tmp_ott->prev = cp_ott;
741 cp_ott->next = tmp_ott;
742 tmp_ott->osd_kerning =
743 sub_font->charspace + sub_font->width[' '];
744 cp_ott = tmp_ott;
745 }
746 tmp_ott->osd_length = xsize;
747 tmp_ott->text_length = char_position;
748 tmp_ott->text = (int *) malloc(char_position * sizeof(int));
749 for (counter = 0; counter < char_position; ++counter)
750 tmp_ott->text[counter] = char_seq[counter];
751 char_position = 0;
752 xsize = 0;
753 prevc = c;
754 } else {
755 int delta_xsize = sub_font->width[c] + sub_font->charspace + kerning(sub_font, prevc, c);
756
757 if (xsize + delta_xsize <= dxs) {
758 if (!x) x = 1;
759 prevc = c;
760 char_seq[char_position++] = c;
761 xsize += delta_xsize;
762 if ((!suboverlap_enabled) && ((font = sub_font->font[c]) >= 0)) {
763 if (sub_font->pic_a[font]->h > h) {
764 h = sub_font->pic_a[font]->h;
765 }
766 }
767 } else {
768 if (x) {
769 mp_msg(MSGT_OSD, MSGL_WARN, "\nSubtitle word '%s' too long!\n", t);
770 x = 0;
771 }
772 }
773 }
774 }// for len (all words from subtitle line read)
775
776 // osl holds an ordered (as they appear in the lines) chain of the subtitle words
777 {
778 struct osd_text_t *tmp_ott = (struct osd_text_t *) calloc(1, sizeof(struct osd_text_t));
779
780 if (osl == NULL) {
781 osl = cp_ott = tmp_ott;
782 } else {
783 tmp_ott->prev = cp_ott;
784 cp_ott->next = tmp_ott;
785 tmp_ott->osd_kerning =
786 sub_font->charspace + sub_font->width[' '];
787 cp_ott = tmp_ott;
788 }
789 tmp_ott->osd_length = xsize;
790 tmp_ott->text_length = char_position;
791 tmp_ott->text = (int *) malloc(char_position * sizeof(int));
792 for (counter = 0; counter < char_position; ++counter)
793 tmp_ott->text[counter] = char_seq[counter];
794 char_position = 0;
795 xsize = -sub_font->charspace;
796 }
797 free(char_seq);
798
799 if (osl != NULL) {
800 int value = 0, exit = 0, minimum = 0;
801
802 // otp will contain the chain of the osd subtitle lines coming from the single vo_sub line.
803 otp = tmp_otp = (struct osd_text_p *) calloc(1, sizeof(struct osd_text_p));
804 tmp_otp->ott = osl;
805 for (tmp_ott = tmp_otp->ott; exit == 0; ) {
806 do {
807 value += tmp_ott->osd_kerning + tmp_ott->osd_length;
808 tmp_ott = tmp_ott->next;
809 } while ((tmp_ott != NULL) && (value + tmp_ott->osd_kerning + tmp_ott->osd_length <= xlimit));
810 if (tmp_ott != NULL) {
811 struct osd_text_p *tmp = (struct osd_text_p *) calloc(1, sizeof(struct osd_text_p));
812
813 tmp_otp->value = value;
814 tmp_otp->next = tmp;
815 tmp->prev = tmp_otp;
816 tmp_otp = tmp;
817 tmp_otp->ott = tmp_ott;
818 value = -2 * sub_font->charspace - sub_font->width[' '];
819 } else {
820 tmp_otp->value = value;
821 exit = 1;
822 }
823 }
824
825
826 #ifdef NEW_SPLITTING
827 // minimum holds the 'sum of the differences in length among the lines',
828 // a measure of the evenness of the lengths of the lines
829 for (tmp_otp = otp; tmp_otp->next != NULL; tmp_otp = tmp_otp->next) {
830 pmt = tmp_otp->next;
831 while (pmt != NULL) {
832 minimum += abs(tmp_otp->value - pmt->value);
833 pmt = pmt->next;
834 }
835 }
836
837 if (otp->next != NULL) {
838 int mem1, mem2;
839 struct osd_text_p *mem, *hold;
840
841 exit = 0;
842 // until the last word of a line can be moved to the beginning of following line
843 // reducing the 'sum of the differences in length among the lines', it is done
844 while (exit == 0) {
845 hold = NULL;
846 exit = 1;
847 for (tmp_otp = otp; tmp_otp->next != NULL; tmp_otp = tmp_otp->next) {
848 pmt = tmp_otp->next;
849 for (tmp = tmp_otp->ott; tmp->next != pmt->ott; tmp = tmp->next);
850 if (pmt->value + tmp->osd_length + pmt->ott->osd_kerning <= xlimit) {
851 mem1 = tmp_otp->value;
852 mem2 = pmt->value;
853 tmp_otp->value = mem1 - tmp->osd_length - tmp->osd_kerning;
854 pmt->value = mem2 + tmp->osd_length + pmt->ott->osd_kerning;
855
856 value = 0;
857 for (mem = otp; mem->next != NULL; mem = mem->next) {
858 pmt = mem->next;
859 while (pmt != NULL) {
860 value += abs(mem->value - pmt->value);
861 pmt = pmt->next;
862 }
863 }
864 if (value < minimum) {
865 minimum = value;
866 hold = tmp_otp;
867 exit = 0;
868 }
869 tmp_otp->value = mem1;
870 tmp_otp->next->value = mem2;
871 }
872 }
873 // merging
874 if (exit == 0) {
875 tmp_otp = hold;
876 pmt = tmp_otp->next;
877 for (tmp = tmp_otp->ott; tmp->next != pmt->ott; tmp = tmp->next);
878 mem1 = tmp_otp->value;
879 mem2 = pmt->value;
880 tmp_otp->value = mem1 - tmp->osd_length - tmp->osd_kerning;
881 pmt->value = mem2 + tmp->osd_length + pmt->ott->osd_kerning;
882 pmt->ott = tmp;
883 }//~merging
884 }//~while(exit == 0)
885 }//~if(otp->next!=NULL)
886 #endif
887
888 // adding otp (containing splitted lines) to otp chain
889 if (otp_sub == NULL) {
890 otp_sub = otp;
891 for (otp_sub_tmp = otp_sub; otp_sub_tmp->next != NULL; otp_sub_tmp = otp_sub_tmp->next);
892 } else {
893 //updating ott chain
894 tmp = otp_sub->ott;
895 while (tmp->next != NULL) tmp = tmp->next;
896 tmp->next = otp->ott;
897 otp->ott->prev = tmp;
898 //attaching new subtitle line at the end
899 otp_sub_tmp->next = otp;
900 otp->prev = otp_sub_tmp;
901 do
902 otp_sub_tmp = otp_sub_tmp->next;
903 while (otp_sub_tmp->next != NULL);
904 }
905 }//~ if(osl != NULL)
906 } // while
907
908 // write lines into utbl
909 xtblc = 0;
910 utblc = 0;
911 obj->y = dys;
912 obj->params.subtitle.lines = 0;
913 for (tmp_otp = otp_sub; tmp_otp != NULL; tmp_otp = tmp_otp->next) {
914
915 if ((obj->params.subtitle.lines++) >= MAX_UCSLINES)
916 break;
917
918 if (h > obj->y) { // out of the screen so end parsing
919 obj->y -= lasth - sub_font->height; // correct the y position
920 break;
921 }
922 xsize = tmp_otp->value;
923 obj->params.subtitle.xtbl[xtblc++] = (dxs - xsize) / 2;
924 if (xmin > (dxs - xsize) / 2)
925 xmin = (dxs - xsize) / 2;
926 if (xmax < (dxs + xsize) / 2)
927 xmax = (dxs + xsize) / 2;
928
929 tmp = (tmp_otp->next == NULL) ? NULL : tmp_otp->next->ott;
930 for (tmp_ott = tmp_otp->ott; tmp_ott != tmp; tmp_ott = tmp_ott->next) {
931 for (counter = 0; counter < tmp_ott->text_length; ++counter) {
932 if (utblc > MAX_UCS) {
933 break;
934 }
935 c = tmp_ott->text[counter];
936 render_one_glyph(sub_font, c);
937 obj->params.subtitle.utbl[utblc++] = c;
938 k++;
939 }
940 obj->params.subtitle.utbl[utblc++] = ' ';
941 }
942 obj->params.subtitle.utbl[utblc - 1] = 0;
943 obj->y -= sub_font->height;
944 }
945 if(obj->params.subtitle.lines)
946 obj->y = dys - ((obj->params.subtitle.lines - 1) * sub_font->height + sub_font->pic_a[sub_font->font[40]]->h);
947
948 // free memory
949 if (otp_sub != NULL) {
950 for (tmp = otp_sub->ott; tmp->next != NULL; free(tmp->prev)) {
951 free(tmp->text);
952 tmp = tmp->next;
953 }
954 free(tmp->text);
955 free(tmp);
956
957 for(pmt = otp_sub; pmt->next != NULL; free(pmt->prev)) {
958 pmt = pmt->next;
959 }
960 free(pmt);
961 }
962
963 }
964 /// vertical alignment
965 h = dys - obj->y;
966 if (sub_alignment == 2)
967 obj->y = dys * sub_pos / 100 - h;
968 else if (sub_alignment == 1)
969 obj->y = dys * sub_pos / 100 - h / 2;
970 else
971 obj->y = dys * sub_pos / 100;
972
973 if (obj->y < 0)
974 obj->y = 0;
975 if (obj->y > dys - h)
976 obj->y = dys - h;
977
978 obj->bbox.y2 = obj->y + h;
979
980 // calculate bbox:
981 if (sub_justify) xmin = 10;
982 obj->bbox.x1=xmin;
983 obj->bbox.x2=xmax;
984 obj->bbox.y1=obj->y;
985 // obj->bbox.y2=obj->y+obj->params.subtitle.lines*sub_font->height;
986 obj->flags|=OSDFLAG_BBOX;
987
988 alloc_buf(obj);
989
990 y = obj->y;
991
992 obj->alignment = 0;
993 switch(vo_sub->alignment) {
994 case SUB_ALIGNMENT_BOTTOMLEFT:
995 case SUB_ALIGNMENT_MIDDLELEFT:
996 case SUB_ALIGNMENT_TOPLEFT:
997 obj->alignment |= 0x1;
998 break;
999 case SUB_ALIGNMENT_BOTTOMRIGHT:
1000 case SUB_ALIGNMENT_MIDDLERIGHT:
1001 case SUB_ALIGNMENT_TOPRIGHT:
1002 obj->alignment |= 0x2;
1003 break;
1004 case SUB_ALIGNMENT_BOTTOMCENTER:
1005 case SUB_ALIGNMENT_MIDDLECENTER:
1006 case SUB_ALIGNMENT_TOPCENTER:
1007 default:
1008 obj->alignment |= 0x0;
1009 }
1010
1011 i=j=0;
1012 if ((l = obj->params.subtitle.lines)) {
1013 for(counter = dxs; i < l; ++i)
1014 if (obj->params.subtitle.xtbl[i] < counter) counter = obj->params.subtitle.xtbl[i];
1015 for (i = 0; i < l; ++i) {
1016 switch (obj->alignment&0x3) {
1017 case 1:
1018 // left
1019 x = counter;
1020 break;
1021 case 2:
1022 // right
1023 x = 2 * obj->params.subtitle.xtbl[i] - counter - ((obj->params.subtitle.xtbl[i] == counter) ? 0 : 1);
1024 break;
1025 default:
1026 //center
1027 x = obj->params.subtitle.xtbl[i];
1028 }
1029 prevc = -1;
1030 while ((c=obj->params.subtitle.utbl[j++])){
1031 x += kerning(sub_font,prevc,c);
1032 if ((font=sub_font->font[c])>=0)
1033 draw_alpha_buf(obj,x,y,
1034 sub_font->width[c],
1035 sub_font->pic_a[font]->h+y<obj->dys ? sub_font->pic_a[font]->h : obj->dys-y,
1036 sub_font->pic_b[font]->bmp+sub_font->start[c],
1037 sub_font->pic_a[font]->bmp+sub_font->start[c],
1038 sub_font->pic_a[font]->w);
1039 x+=sub_font->width[c]+sub_font->charspace;
1040 prevc = c;
1041 }
1042 y+=sub_font->height;
1043 }
1044 }
1045
1046 }
1047
1048 inline static void vo_update_spudec_sub(mp_osd_obj_t* obj, int dxs, int dys)
1049 {
1050 unsigned int bbox[4];
1051 spudec_calc_bbox(vo_spudec, dxs, dys, bbox);
1052 obj->bbox.x1 = bbox[0];
1053 obj->bbox.x2 = bbox[1];
1054 obj->bbox.y1 = bbox[2];
1055 obj->bbox.y2 = bbox[3];
1056 obj->flags |= OSDFLAG_BBOX;
1057 }
1058
1059 inline static void vo_draw_spudec_sub(mp_osd_obj_t* obj, void (*draw_alpha)(void *ctx, int x0, int y0, int w, int h, unsigned char* src, unsigned char* srca, int stride), void *ctx)
1060 {
1061 spudec_draw_scaled(vo_spudec, obj->dxs, obj->dys, draw_alpha, ctx);
1062 }
1063
1064 void *vo_spudec=NULL;
1065 void *vo_vobsub=NULL;
1066
1067 static int draw_alpha_init_flag=0;
1068
1069 void vo_draw_alpha_init(void);
1070
1071 mp_osd_obj_t* vo_osd_list=NULL;
1072
1073 static mp_osd_obj_t* new_osd_obj(int type){
1074 mp_osd_obj_t* osd=malloc(sizeof(mp_osd_obj_t));
1075 memset(osd,0,sizeof(mp_osd_obj_t));
1076 osd->next=vo_osd_list;
1077 vo_osd_list=osd;
1078 osd->type=type;
1079 osd->alpha_buffer = NULL;
1080 osd->bitmap_buffer = NULL;
1081 osd->allocated = -1;
1082 return osd;
1083 }
1084
1085 void osd_free(struct osd_state *osd)
1086 {
1087 mp_osd_obj_t* obj=vo_osd_list;
1088 while(obj){
1089 mp_osd_obj_t* next=obj->next;
1090 if (obj->alpha_buffer) free(obj->alpha_buffer);
1091 if (obj->bitmap_buffer) free(obj->bitmap_buffer);
1092 free(obj);
1093 obj=next;
1094 }
1095 vo_osd_list=NULL;
1096 talloc_free(osd);
1097 }
1098
1099 #define FONT_LOAD_DEFER 6
1100
1101 int osd_update_ext(struct osd_state *osd, int dxs, int dys, int left_border,
1102 int top_border, int right_border, int bottom_border,
1103 int orig_w, int orig_h)
1104 {
1105 mp_osd_obj_t* obj=vo_osd_list;
1106 int chg=0;
1107 #ifdef CONFIG_FREETYPE
1108 static int defer_counter = 0, prev_dxs = 0, prev_dys = 0;
1109 #endif
1110
1111 #ifdef CONFIG_FREETYPE
1112 // here is the right place to get screen dimensions
1113 if (((dxs != vo_image_width)
1114 && (subtitle_autoscale == 2 || subtitle_autoscale == 3))
1115 || ((dys != vo_image_height)
1116 && (subtitle_autoscale == 1 || subtitle_autoscale == 3)))
1117 {
1118 // screen dimensions changed
1119 // wait a while to avoid useless reloading of the font
1120 if (dxs == prev_dxs || dys == prev_dys) {
1121 defer_counter++;
1122 } else {
1123 prev_dxs = dxs;
1124 prev_dys = dys;
1125 defer_counter = 0;
1126 }
1127 if (defer_counter >= FONT_LOAD_DEFER) force_load_font = 1;
1128 }
1129
1130 if (force_load_font) {
1131 force_load_font = 0;
1132 load_font_ft(dxs, dys, &vo_font, font_name, osd_font_scale_factor);
1133 if (sub_font_name)
1134 load_font_ft(dxs, dys, &osd->sub_font, sub_font_name, text_font_scale_factor);
1135 else
1136 load_font_ft(dxs, dys, &osd->sub_font, font_name, text_font_scale_factor);
1137 prev_dxs = dxs;
1138 prev_dys = dys;
1139 defer_counter = 0;
1140 } else {
1141 if (!vo_font)
1142 load_font_ft(dxs, dys, &vo_font, font_name, osd_font_scale_factor);
1143 if (!osd->sub_font) {
1144 if (sub_font_name)
1145 load_font_ft(dxs, dys, &osd->sub_font, sub_font_name, text_font_scale_factor);
1146 else
1147 load_font_ft(dxs, dys, &osd->sub_font, font_name, text_font_scale_factor);
1148 }
1149 }
1150 #endif
1151
1152 while(obj){
1153 if(dxs!=obj->dxs || dys!=obj->dys || obj->flags&OSDFLAG_FORCE_UPDATE){
1154 int vis=obj->flags&OSDFLAG_VISIBLE;
1155 obj->flags&=~OSDFLAG_BBOX;
1156 switch(obj->type){
1157 #ifdef CONFIG_DVDNAV
1158 case OSDTYPE_DVDNAV:
1159 vo_update_nav(obj,dxs,dys, left_border, top_border, right_border, bottom_border, orig_w, orig_h);
1160 break;
1161 #endif
1162 case OSDTYPE_SUBTITLE:
1163 vo_update_text_sub(osd, obj,dxs,dys);
1164 break;
1165 #ifdef CONFIG_TV_TELETEXT
1166 case OSDTYPE_TELETEXT:
1167 vo_update_text_teletext(obj,dxs,dys);
1168 break;
1169 #endif
1170 case OSDTYPE_PROGBAR:
1171 vo_update_text_progbar(obj,dxs,dys);
1172 break;
1173 case OSDTYPE_SPU:
1174 if(sub_visibility && vo_spudec && spudec_visible(vo_spudec)){
1175 vo_update_spudec_sub(obj, dxs, dys);
1176 obj->flags|=OSDFLAG_VISIBLE|OSDFLAG_CHANGED;
1177 }
1178 else
1179 obj->flags&=~OSDFLAG_VISIBLE;
1180 break;
1181 case OSDTYPE_OSD:
1182 if(vo_font && osd->osd_text[0]){
1183 vo_update_text_osd(osd, obj, dxs, dys); // update bbox
1184 obj->flags|=OSDFLAG_VISIBLE|OSDFLAG_CHANGED;
1185 } else
1186 obj->flags&=~OSDFLAG_VISIBLE;
1187 break;
1188 }
1189 // check bbox:
1190 if(!(obj->flags&OSDFLAG_BBOX)){
1191 // we don't know, so assume the whole screen changed :(
1192 obj->bbox.x1=obj->bbox.y1=0;
1193 obj->bbox.x2=dxs;
1194 obj->bbox.y2=dys;
1195 obj->flags|=OSDFLAG_BBOX;
1196 } else {
1197 // check bbox, reduce it if it's out of bounds (corners):
1198 if(obj->bbox.x1<0) obj->bbox.x1=0;
1199 if(obj->bbox.y1<0) obj->bbox.y1=0;
1200 if(obj->bbox.x2>dxs) obj->bbox.x2=dxs;
1201 if(obj->bbox.y2>dys) obj->bbox.y2=dys;
1202 if(obj->flags&OSDFLAG_VISIBLE)
1203 // debug:
1204 mp_msg(MSGT_OSD,MSGL_DBG2,"OSD update: %d;%d %dx%d \n",
1205 obj->bbox.x1,obj->bbox.y1,obj->bbox.x2-obj->bbox.x1,
1206 obj->bbox.y2-obj->bbox.y1);
1207 }
1208 // check if visibility changed:
1209 if(vis != (obj->flags&OSDFLAG_VISIBLE) ) obj->flags|=OSDFLAG_CHANGED;
1210 // remove the cause of automatic update:
1211 obj->dxs=dxs; obj->dys=dys;
1212 obj->flags&=~OSDFLAG_FORCE_UPDATE;
1213 }
1214 if(obj->flags&OSDFLAG_CHANGED){
1215 chg|=1<<obj->type;
1216 mp_msg(MSGT_OSD,MSGL_DBG2,"OSD chg: %d V: %s pb:%d \n",obj->type,(obj->flags&OSDFLAG_VISIBLE)?"yes":"no",vo_osd_progbar_type);
1217 }
1218 obj=obj->next;
1219 }
1220 return chg;
1221 }
1222
1223 int osd_update(struct osd_state *osd, int dxs, int dys)
1224 {
1225 return osd_update_ext(osd, dxs, dys, 0, 0, 0, 0, dxs, dys);
1226 }
1227
1228 struct osd_state *osd_create(void)
1229 {
1230 struct osd_state *osd = talloc_zero(NULL, struct osd_state);
1231 *osd = (struct osd_state){
1232 };
1233 if(!draw_alpha_init_flag){
1234 draw_alpha_init_flag=1;
1235 vo_draw_alpha_init();
1236 }
1237 // temp hack, should be moved to mplayer/mencoder later
1238 new_osd_obj(OSDTYPE_OSD);
1239 new_osd_obj(OSDTYPE_SUBTITLE);
1240 new_osd_obj(OSDTYPE_PROGBAR);
1241 new_osd_obj(OSDTYPE_SPU);
1242 #ifdef CONFIG_DVDNAV
1243 new_osd_obj(OSDTYPE_DVDNAV);
1244 #endif
1245 #ifdef CONFIG_TV_TELETEXT
1246 new_osd_obj(OSDTYPE_TELETEXT);
1247 #endif
1248 #ifdef CONFIG_FREETYPE
1249 force_load_font = 1;
1250 #endif
1251 return osd;
1252 }
1253
1254 int vo_osd_changed_flag=0;
1255
1256 void osd_remove_text(struct osd_state *osd, int dxs, int dys,
1257 void (*remove)(int x0, int y0, int w, int h))
1258 {
1259 mp_osd_obj_t* obj=vo_osd_list;
1260 osd_update(osd, dxs, dys);
1261 while(obj){
1262 if(((obj->flags&OSDFLAG_CHANGED) || (obj->flags&OSDFLAG_VISIBLE)) &&
1263 (obj->flags&OSDFLAG_OLD_BBOX)){
1264 int w=obj->old_bbox.x2-obj->old_bbox.x1;
1265 int h=obj->old_bbox.y2-obj->old_bbox.y1;
1266 if(w>0 && h>0){
1267 vo_osd_changed_flag=obj->flags&OSDFLAG_CHANGED; // temp hack
1268 remove(obj->old_bbox.x1,obj->old_bbox.y1,w,h);
1269 }
1270 // obj->flags&=~OSDFLAG_OLD_BBOX;
1271 }
1272 obj=obj->next;
1273 }
1274 }
1275
1276 void osd_draw_text_ext(struct osd_state *osd, int dxs, int dys,
1277 int left_border, int top_border, int right_border,
1278 int bottom_border, int orig_w, int orig_h,
1279 void (*draw_alpha)(void *ctx, int x0, int y0, int w,
1280 int h, unsigned char* src,
1281 unsigned char *srca,
1282 int stride),
1283 void *ctx)
1284 {
1285 mp_osd_obj_t* obj=vo_osd_list;
1286 osd_update_ext(osd, dxs, dys, left_border, top_border, right_border,
1287 bottom_border, orig_w, orig_h);
1288 while(obj){
1289 if(obj->flags&OSDFLAG_VISIBLE){
1290 vo_osd_changed_flag=obj->flags&OSDFLAG_CHANGED; // temp hack
1291 switch(obj->type){
1292 case OSDTYPE_SPU:
1293 vo_draw_spudec_sub(obj, draw_alpha, ctx); // FIXME
1294 break;
1295 #ifdef CONFIG_DVDNAV
1296 case OSDTYPE_DVDNAV:
1297 #endif
1298 #ifdef CONFIG_TV_TELETEXT
1299 case OSDTYPE_TELETEXT:
1300 #endif
1301 case OSDTYPE_OSD:
1302 case OSDTYPE_SUBTITLE:
1303 case OSDTYPE_PROGBAR:
1304 vo_draw_text_from_buffer(obj, draw_alpha, ctx);
1305 break;
1306 }
1307 obj->old_bbox=obj->bbox;
1308 obj->flags|=OSDFLAG_OLD_BBOX;
1309 }
1310 obj->flags&=~OSDFLAG_CHANGED;
1311 obj=obj->next;
1312 }
1313 }
1314
1315 void osd_draw_text(struct osd_state *osd, int dxs, int dys,
1316 void (*draw_alpha)(void *ctx, int x0, int y0, int w, int h,
1317 unsigned char* src, unsigned char *srca,
1318 int stride),
1319 void *ctx)
1320 {
1321 osd_draw_text_ext(osd, dxs, dys, 0, 0, 0, 0, dxs, dys, draw_alpha, ctx);
1322 }
1323
1324 static int vo_osd_changed_status = 0;
1325
1326 int vo_osd_changed(int new_value)
1327 {
1328 mp_osd_obj_t* obj=vo_osd_list;
1329 int ret = vo_osd_changed_status;
1330 vo_osd_changed_status = new_value;
1331
1332 while(obj){
1333 if(obj->type==new_value) obj->flags|=OSDFLAG_FORCE_UPDATE;
1334 obj=obj->next;
1335 }
1336
1337 return ret;
1338 }
1339
1340 // BBBBBBBBBBBB AAAAAAAAAAAAA BBBBBBBBBBB
1341 // BBBBBBBBBBBB BBBBBBBBBBBBB
1342 // BBBBBBB
1343
1344 // return TRUE if we have osd in the specified rectangular area:
1345 int vo_osd_check_range_update(int x1,int y1,int x2,int y2){
1346 mp_osd_obj_t* obj=vo_osd_list;
1347 while(obj){
1348 if(obj->flags&OSDFLAG_VISIBLE){
1349 if( (obj->bbox.x1<=x2 && obj->bbox.x2>=x1) &&
1350 (obj->bbox.y1<=y2 && obj->bbox.y2>=y1) &&
1351 obj->bbox.y2 > obj->bbox.y1 && obj->bbox.x2 > obj->bbox.x1
1352 ) return 1;
1353 }
1354 obj=obj->next;
1355 }
1356 return 0;
1357 }
mplayer with SMedia Glamo drivers