/* * This file is part of MPlayer. * * MPlayer is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * MPlayer is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with MPlayer; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include #include #include #include "config.h" #if HAVE_MALLOC_H #include #endif #include "stream/stream.h" #include "stream/stream_dvdnav.h" #define OSD_NAV_BOX_ALPHA 0x7f #include "libmpcodecs/dec_teletext.h" #include "osdep/timer.h" #include "talloc.h" #include "mplayer.h" #include "mp_msg.h" #include "libvo/video_out.h" #include "font_load.h" #include "sub.h" #include "spudec.h" #include "libavutil/common.h" #define NEW_SPLITTING // Structures needed for the new splitting algorithm. // osd_text_t contains the single subtitle word. // osd_text_p is used to mark the lines of subtitles struct osd_text_t { int osd_kerning, //kerning with the previous word osd_length, //orizontal length inside the bbox text_length, //number of characters *text; //characters struct osd_text_t *prev, *next; }; struct osd_text_p { int value; struct osd_text_t *ott; struct osd_text_p *prev, *next; }; //^ char * const sub_osd_names[]={ _("Seekbar"), _("Play"), _("Pause"), _("Stop"), _("Rewind"), _("Forward"), _("Clock"), _("Contrast"), _("Saturation"), _("Volume"), _("Brightness"), _("Hue"), _("Balance") }; char * const sub_osd_names_short[] ={ "", "|>", "||", "[]", "<<" , ">>", "", "", "", "", "", "", "" }; //static int vo_font_loaded=-1; font_desc_t* vo_font=NULL; void* vo_osd_teletext_page=NULL; int vo_osd_teletext_half = 0; int vo_osd_teletext_mode=0; int vo_osd_teletext_format=0; int vo_osd_teletext_scale=0; int sub_unicode=0; int sub_utf8=0; int sub_pos=100; int sub_width_p=100; int sub_alignment=2; /* 0=top, 1=center, 2=bottom */ int sub_visibility=1; int sub_bg_color=0; /* subtitles background color */ int sub_bg_alpha=0; int sub_justify=0; #ifdef CONFIG_DVDNAV static nav_highlight_t nav_hl; #endif // return the real height of a char: static inline int get_height(int c,int h){ int font; if ((font=vo_font->font[c])>=0) if(hpic_a[font]->h) h=vo_font->pic_a[font]->h; return h; } // renders char to a big per-object buffer where alpha and bitmap are separated 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) { int dststride = obj->stride; int dstskip = obj->stride-w; int srcskip = stride-w; int i, j; unsigned char *b = obj->bitmap_buffer + (y0-obj->bbox.y1)*dststride + (x0-obj->bbox.x1); unsigned char *a = obj->alpha_buffer + (y0-obj->bbox.y1)*dststride + (x0-obj->bbox.x1); unsigned char *bs = src; unsigned char *as = srca; if (x0 < obj->bbox.x1 || x0+w > obj->bbox.x2 || y0 < obj->bbox.y1 || y0+h > obj->bbox.y2) { fprintf(stderr, "osd text out of range: bbox [%d %d %d %d], txt [%d %d %d %d]\n", obj->bbox.x1, obj->bbox.x2, obj->bbox.y1, obj->bbox.y2, x0, x0+w, y0, y0+h); return; } for (i = 0; i < h; i++) { for (j = 0; j < w; j++, b++, a++, bs++, as++) { if (*b < *bs) *b = *bs; if (*as) { if (*a == 0 || *a > *as) *a = *as; } } b+= dstskip; a+= dstskip; bs+= srcskip; as+= srcskip; } } // allocates/enlarges the alpha/bitmap buffer static void alloc_buf(mp_osd_obj_t* obj) { int len; if (obj->bbox.x2 < obj->bbox.x1) obj->bbox.x2 = obj->bbox.x1; if (obj->bbox.y2 < obj->bbox.y1) obj->bbox.y2 = obj->bbox.y1; obj->stride = ((obj->bbox.x2-obj->bbox.x1)+7)&(~7); len = obj->stride*(obj->bbox.y2-obj->bbox.y1); if (obj->allocatedallocated = len; free(obj->bitmap_buffer); free(obj->alpha_buffer); obj->bitmap_buffer = memalign(16, len); obj->alpha_buffer = memalign(16, len); } memset(obj->bitmap_buffer, sub_bg_color, len); memset(obj->alpha_buffer, sub_bg_alpha, len); } // renders the buffer 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) { if (obj->allocated > 0) { draw_alpha(ctx, obj->bbox.x1,obj->bbox.y1, obj->bbox.x2-obj->bbox.x1, obj->bbox.y2-obj->bbox.y1, obj->bitmap_buffer, obj->alpha_buffer, obj->stride); } } unsigned utf8_get_char(const char **str) { const uint8_t *strp = (const uint8_t *)*str; unsigned c; GET_UTF8(c, *strp++, goto no_utf8;); *str = (const char *)strp; return c; no_utf8: strp = (const uint8_t *)*str; c = *strp++; *str = (const char *)strp; return c; } inline static void vo_update_text_osd(struct osd_state *osd, mp_osd_obj_t* obj, int dxs, int dys) { const char *cp = osd->osd_text; int x=20; int h=0; int font; obj->bbox.x1=obj->x=x; obj->bbox.y1=obj->y=10; while (*cp){ uint16_t c=utf8_get_char(&cp); render_one_glyph(vo_font, c); x+=vo_font->width[c]+vo_font->charspace; h=get_height(c,h); } obj->bbox.x2=x-vo_font->charspace; obj->bbox.y2=obj->bbox.y1+h; obj->flags|=OSDFLAG_BBOX; alloc_buf(obj); cp = osd->osd_text; x = obj->x; while (*cp){ uint16_t c=utf8_get_char(&cp); if ((font=vo_font->font[c])>=0) draw_alpha_buf(obj,x,obj->y, vo_font->width[c], vo_font->pic_a[font]->h, vo_font->pic_b[font]->bmp+vo_font->start[c], vo_font->pic_a[font]->bmp+vo_font->start[c], vo_font->pic_a[font]->w); x+=vo_font->width[c]+vo_font->charspace; } } #ifdef CONFIG_DVDNAV void osd_set_nav_box (uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey) { nav_hl.sx = sx; nav_hl.sy = sy; nav_hl.ex = ex; nav_hl.ey = ey; } inline static void vo_update_nav (mp_osd_obj_t *obj, int dxs, int dys, int left_border, int top_border, int right_border, int bottom_border, int orig_w, int orig_h) { int len; int sx = nav_hl.sx, sy = nav_hl.sy; int ex = nav_hl.ex, ey = nav_hl.ey; int scaled_w = dxs - left_border - right_border; int scaled_h = dys - top_border - bottom_border; if (scaled_w != orig_w) { sx = sx * scaled_w / orig_w; ex = ex * scaled_w / orig_w; } if (scaled_h != orig_h) { sy = sy * scaled_h / orig_h; ey = ey * scaled_h / orig_h; } sx += left_border; ex += left_border; sy += top_border; ey += top_border; sx = FFMIN(FFMAX(sx, 0), dxs); ex = FFMIN(FFMAX(ex, 0), dxs); sy = FFMIN(FFMAX(sy, 0), dys); ey = FFMIN(FFMAX(ey, 0), dys); obj->bbox.x1 = obj->x = sx; obj->bbox.y1 = obj->y = sy; obj->bbox.x2 = ex; obj->bbox.y2 = ey; alloc_buf (obj); len = obj->stride * (obj->bbox.y2 - obj->bbox.y1); memset (obj->bitmap_buffer, OSD_NAV_BOX_ALPHA, len); memset (obj->alpha_buffer, OSD_NAV_BOX_ALPHA, len); obj->flags |= OSDFLAG_BBOX | OSDFLAG_CHANGED; if (obj->bbox.y2 > obj->bbox.y1 && obj->bbox.x2 > obj->bbox.x1) obj->flags |= OSDFLAG_VISIBLE; } #endif // renders char to a big per-object buffer where alpha and bitmap are separated 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) { int dststride = obj->stride; int dstskip = obj->stride-w; int srcskip = stride-w; int i, j; unsigned char *b = obj->bitmap_buffer + (y0-obj->bbox.y1)*dststride + (x0-obj->bbox.x1); unsigned char *a = obj->alpha_buffer + (y0-obj->bbox.y1)*dststride + (x0-obj->bbox.x1); unsigned char *bs = src; if (x0 < obj->bbox.x1 || x0+w > obj->bbox.x2 || y0 < obj->bbox.y1 || y0+h > obj->bbox.y2) { mp_msg(MSGT_OSD,MSGL_ERR,"tt osd text out of range: bbox [%d %d %d %d], txt [%d %d %d %d]\n", obj->bbox.x1, obj->bbox.x2, obj->bbox.y1, obj->bbox.y2, x0, x0+w, y0, y0+h); return; } for (i = 0; i < h; i++) { for (j = 0; j < w; j++, b++, a++, bs++) { *b=(fg-bg)*(*bs)/255+bg; *a=alpha; } b+= dstskip; a+= dstskip; bs+= srcskip; } } inline static void vo_update_text_teletext(mp_osd_obj_t *obj, int dxs, int dys) { int h=0,w=0,i,j,font,flashon; int wm,hm; int color; int x,y,x0,y0; int cols,rows; int wm12; int hm13; int hm23; int start_row,max_rows; int b,ax[6],ay[6],aw[6],ah[6]; tt_char tc; tt_char* tdp=vo_osd_teletext_page; static const uint8_t colors[8]={1,85,150,226,70,105,179,254}; unsigned char* buf[9]; obj->flags|=OSDFLAG_CHANGED|OSDFLAG_VISIBLE; if (!tdp || !vo_osd_teletext_mode) { obj->flags&=~OSDFLAG_VISIBLE; return; } flashon=(GetTimer()/1000000)%2; switch(vo_osd_teletext_half){ case TT_ZOOM_TOP_HALF: start_row=0; max_rows=VBI_ROWS/2; break; case TT_ZOOM_BOTTOM_HALF: start_row=VBI_ROWS/2; max_rows=VBI_ROWS/2; break; default: start_row=0; max_rows=VBI_ROWS; break; } wm=0; for(i=start_row;iwidth[tc.unicode]) wm=vo_font->width[tc.unicode]; } } } hm=vo_font->height+1; wm=dxs*hm*max_rows/(dys*VBI_COLUMNS); #ifdef CONFIG_FREETYPE //very simple teletext font auto scaling if(!vo_osd_teletext_scale && hm*(max_rows+1)>dys){ osd_font_scale_factor*=1.0*(dys)/((max_rows+1)*hm); force_load_font=1; vo_osd_teletext_scale=osd_font_scale_factor; obj->flags&=~OSDFLAG_VISIBLE; return; } #endif cols=dxs/wm; rows=dys/hm; if(cols>VBI_COLUMNS) cols=VBI_COLUMNS; if(rows>max_rows) rows=max_rows; w=cols*wm-vo_font->charspace; h=rows*hm-vo_font->charspace; if(w>1; hm13=(hm+1)/3; hm23=hm13<<1; for(i=0;i<6;i+=2){ ax[i+0]=0; aw[i+0]=wm12; ax[i+1]=wm12; aw[i+1]=wm-wm12; } for(i=0;i<2;i++){ ay[i+0]=0; ah[i+0]=hm13; ay[i+2]=hm13; ah[i+2]=hm-hm23; ay[i+4]=hm-hm13; ah[i+4]=hm13; } obj->x = 0; obj->y = 0; obj->bbox.x1 = x0; obj->bbox.y1 = y0; obj->bbox.x2 = x0+w; obj->bbox.y2 = y0+h; obj->flags |= OSDFLAG_BBOX; alloc_buf(obj); for(i=0;i<9;i++) buf[i]=malloc(wm*hm); //alpha if(vo_osd_teletext_format==TT_FORMAT_OPAQUE ||vo_osd_teletext_format==TT_FORMAT_OPAQUE_INV) color=1; else color=200; memset(buf[8],color,wm*hm); //colors if(vo_osd_teletext_format==TT_FORMAT_OPAQUE ||vo_osd_teletext_format==TT_FORMAT_TRANSPARENT){ for(i=0;i<8;i++){ memset(buf[i],(unsigned char)(1.0*(255-color)*colors[i]/255),wm*hm); } }else{ for(i=0;i<8;i++) memset(buf[i],(unsigned char)(1.0*(255-color)*colors[7-i]/255),wm*hm); } y=y0; for(i=0;ifont[tc.unicode])>=0 && y+hmwidth[tc.unicode],vo_font->height, vo_font->pic_b[font]->bmp+vo_font->start[tc.unicode]-vo_font->charspace*vo_font->pic_a[font]->w, vo_font->pic_b[font]->w, buf[tc.fg][0],buf[tc.bg][0],buf[8][0]); } }else{ /* Rendering one graphics character TODO: support for separated graphics symbols (where six rectangles does not touch each other) +--+ +--+ 87654321 |01| |12| -------- |10| <= |34| <= 00100110 <= 0x26 |01| |56| +--+ +--+ (0:wm/2) (wm/2:wm-wm/2) ********** *********** (0:hm/3) *** **** **** **** *** 1 **** **** 2 **** *** **** **** **** ********** *********** ********** *********** ********** *********** (hm/3:hm-2*hm/3) ********** *********** *** **** **** **** *** 3 **** **** 4 **** *** **** **** **** ********** *********** ********** *********** ********** *********** ********** *********** (hm-hm/3:hm/3) *** **** **** **** *** 5 **** **** 6 **** *** **** **** **** ********** *********** ********** *********** */ if(tc.gfx>1){ //separated gfx for(b=0;b<6;b++){ color=(tc.unicode>>b)&1?tc.fg:tc.bg; draw_alpha_buf(obj,x+ax[b]+1,y+ay[b]+1,aw[b]-2,ah[b]-2,buf[color],buf[8],wm); } //separated gfx (background borders) //vertical draw_alpha_buf(obj,x ,y,1,hm,buf[tc.bg],buf[8],wm); draw_alpha_buf(obj,x+ax[1]-1,y,2,hm,buf[tc.bg],buf[8],wm); draw_alpha_buf(obj,x+ax[1]+aw[1]-1,y,wm-ax[1]-aw[1]+1,hm,buf[tc.bg],buf[8],wm); //horizontal draw_alpha_buf(obj,x,y ,wm,1,buf[tc.bg],buf[8],wm); draw_alpha_buf(obj,x,y+ay[0]+ah[0]-1,wm,2,buf[tc.bg],buf[8],wm); draw_alpha_buf(obj,x,y+ay[2]+ah[2]-1,wm,2,buf[tc.bg],buf[8],wm); draw_alpha_buf(obj,x,y+ay[4]+ah[4]-1,wm,hm-ay[4]-ah[4]+1,buf[tc.bg],buf[8],wm); }else{ for(b=0;b<6;b++){ color=(tc.unicode>>b)&1?tc.fg:tc.bg; draw_alpha_buf(obj,x+ax[b],y+ay[b],aw[b],ah[b],buf[color],buf[8],wm); } } } x+=wm; } y+=hm; } for(i=0;i<9;i++) free(buf[i]); } int vo_osd_progbar_type=-1; int vo_osd_progbar_value=100; // 0..256 // if we have n=256 bars then OSD progbar looks like below // // 0 1 2 3 ... 256 <= vo_osd_progbar_value // | | | | | // [ === === === ... === ] // // the above schema is rescalled to n=elems bars inline static void vo_update_text_progbar(mp_osd_obj_t* obj,int dxs,int dys){ obj->flags|=OSDFLAG_CHANGED|OSDFLAG_VISIBLE; if(vo_osd_progbar_type<0 || !vo_font){ obj->flags&=~OSDFLAG_VISIBLE; return; } render_one_glyph(vo_font, OSD_PB_START); render_one_glyph(vo_font, OSD_PB_END); render_one_glyph(vo_font, OSD_PB_0); render_one_glyph(vo_font, OSD_PB_1); render_one_glyph(vo_font, vo_osd_progbar_type); // calculate bbox corners: { int h=0; int y=(dys-vo_font->height)/2; int delimw=vo_font->width[OSD_PB_START] +vo_font->width[OSD_PB_END] +vo_font->charspace; int width=(2*dxs-3*delimw)/3; int charw=vo_font->width[OSD_PB_0]+vo_font->charspace; int elems=width/charw; int x=(dxs-elems*charw-delimw)/2; int delta = 0; h=get_height(OSD_PB_START,h); h=get_height(OSD_PB_END,h); h=get_height(OSD_PB_0,h); h=get_height(OSD_PB_1,h); if (vo_osd_progbar_type>0 && vo_font->font[vo_osd_progbar_type]>=0){ delta = vo_font->width[vo_osd_progbar_type]+vo_font->spacewidth; delta = (x-delta > 0) ? delta : x; h=get_height(vo_osd_progbar_type,h); } obj->bbox.x1=obj->x=x; obj->bbox.y1=obj->y=y; obj->bbox.x2=x+width+delimw; obj->bbox.y2=y+h; //vo_font->height; obj->flags|=OSDFLAG_BBOX; obj->params.progbar.elems=elems; obj->bbox.x1-=delta; // space for an icon } alloc_buf(obj); { int minw = vo_font->width[OSD_PB_START]+vo_font->width[OSD_PB_END]+vo_font->width[OSD_PB_0]; if (vo_osd_progbar_type>0 && vo_font->font[vo_osd_progbar_type]>=0){ minw += vo_font->width[vo_osd_progbar_type]+vo_font->charspace+vo_font->spacewidth; } if (obj->bbox.x2 - obj->bbox.x1 < minw) return; // space too small, don't render anything } // render it: { unsigned char *s; unsigned char *sa; int i,w,h,st,mark; int x=obj->x; int y=obj->y; int c,font; int charw=vo_font->width[OSD_PB_0]+vo_font->charspace; int elems=obj->params.progbar.elems; if (vo_osd_progbar_value<=0) mark=0; else { int ev=vo_osd_progbar_value*elems; mark=ev>>8; if (ev & 0xFF) mark++; if (mark>elems) mark=elems; } // printf("osd.progbar width=%d xpos=%d\n",width,x); c=vo_osd_progbar_type; if(vo_osd_progbar_type>0 && (font=vo_font->font[c])>=0) { int xp=x-vo_font->width[c]-vo_font->spacewidth; draw_alpha_buf(obj,(xp<0?0:xp),y, vo_font->width[c], vo_font->pic_a[font]->h, vo_font->pic_b[font]->bmp+vo_font->start[c], vo_font->pic_a[font]->bmp+vo_font->start[c], vo_font->pic_a[font]->w); } c=OSD_PB_START; if ((font=vo_font->font[c])>=0) draw_alpha_buf(obj,x,y, vo_font->width[c], vo_font->pic_a[font]->h, vo_font->pic_b[font]->bmp+vo_font->start[c], vo_font->pic_a[font]->bmp+vo_font->start[c], vo_font->pic_a[font]->w); x+=vo_font->width[c]+vo_font->charspace; c=OSD_PB_0; if ((font=vo_font->font[c])>=0){ w=vo_font->width[c]; h=vo_font->pic_a[font]->h; s=vo_font->pic_b[font]->bmp+vo_font->start[c]; sa=vo_font->pic_a[font]->bmp+vo_font->start[c]; st=vo_font->pic_a[font]->w; if ((i=mark)) do { draw_alpha_buf(obj,x,y,w,h,s,sa,st); x+=charw; } while(--i); } c=OSD_PB_1; if ((font=vo_font->font[c])>=0){ w=vo_font->width[c]; h=vo_font->pic_a[font]->h; s =vo_font->pic_b[font]->bmp+vo_font->start[c]; sa=vo_font->pic_a[font]->bmp+vo_font->start[c]; st=vo_font->pic_a[font]->w; if ((i=elems-mark)) do { draw_alpha_buf(obj,x,y,w,h,s,sa,st); x+=charw; } while(--i); } c=OSD_PB_END; if ((font=vo_font->font[c])>=0) draw_alpha_buf(obj,x,y, vo_font->width[c], vo_font->pic_a[font]->h, vo_font->pic_b[font]->bmp+vo_font->start[c], vo_font->pic_a[font]->bmp+vo_font->start[c], vo_font->pic_a[font]->w); // x+=vo_font->width[c]+vo_font->charspace; } // vo_osd_progbar_value=(vo_osd_progbar_value+1)&0xFF; } subtitle* vo_sub=NULL; inline static void vo_update_text_sub(struct osd_state *osd, mp_osd_obj_t* obj,int dxs,int dys){ unsigned char *t; int c,i,j,l,x,y,font,prevc,counter; int k; int lastStripPosition; int xsize; int xmin=dxs,xmax=0; int h,lasth; int xtblc, utblc; struct font_desc *sub_font = osd->sub_font; obj->flags|=OSDFLAG_CHANGED|OSDFLAG_VISIBLE; if(!vo_sub || !osd->sub_font || !sub_visibility || (sub_font->font[40]<0)){ obj->flags&=~OSDFLAG_VISIBLE; return; } obj->bbox.y2=obj->y=dys; obj->params.subtitle.lines=0; // too long lines divide into a smaller ones i=k=lasth=0; h=sub_font->height; lastStripPosition=-1; l=vo_sub->lines; { struct osd_text_t *osl, *cp_ott, *tmp_ott, *tmp; struct osd_text_p *otp_sub = NULL, *otp_sub_tmp, // these are used to store the whole sub text osd *otp, *tmp_otp, *pmt; // these are used to manage sub text osd coming from a single sub line int *char_seq, char_position, xlimit = dxs * sub_width_p / 100, counter; while (l) { xsize = -sub_font->charspace; l--; t=vo_sub->text[i++]; char_position = 0; char_seq = calloc(strlen(t), sizeof(int)); prevc = -1; otp = NULL; osl = NULL; x = 1; // reading the subtitle words from vo_sub->text[] while (*t) { if (sub_utf8) c = utf8_get_char(&t); else if ((c = *t++) >= 0x80 && sub_unicode) c = (c<<8) + *t++; if (k==MAX_UCS){ t += strlen(t); // end here mp_msg(MSGT_OSD,MSGL_WARN,"\nMAX_UCS exceeded!\n"); } if (!c) c++; // avoid UCS 0 render_one_glyph(sub_font, c); if (c == ' ') { struct osd_text_t *tmp_ott = calloc(1, sizeof(struct osd_text_t)); if (osl == NULL) { osl = cp_ott = tmp_ott; } else { tmp_ott->prev = cp_ott; cp_ott->next = tmp_ott; tmp_ott->osd_kerning = sub_font->charspace + sub_font->width[' ']; cp_ott = tmp_ott; } tmp_ott->osd_length = xsize; tmp_ott->text_length = char_position; tmp_ott->text = malloc(char_position * sizeof(int)); for (counter = 0; counter < char_position; ++counter) tmp_ott->text[counter] = char_seq[counter]; char_position = 0; xsize = 0; prevc = c; } else { int delta_xsize = sub_font->width[c] + sub_font->charspace + kerning(sub_font, prevc, c); if (xsize + delta_xsize <= dxs) { if (!x) x = 1; prevc = c; char_seq[char_position++] = c; xsize += delta_xsize; if ((!suboverlap_enabled) && ((font = sub_font->font[c]) >= 0)) { if (sub_font->pic_a[font]->h > h) { h = sub_font->pic_a[font]->h; } } } else { if (x) { mp_msg(MSGT_OSD, MSGL_WARN, "\nSubtitle word '%s' too long!\n", t); x = 0; } } } }// for len (all words from subtitle line read) // osl holds an ordered (as they appear in the lines) chain of the subtitle words { struct osd_text_t *tmp_ott = calloc(1, sizeof(struct osd_text_t)); if (osl == NULL) { osl = cp_ott = tmp_ott; } else { tmp_ott->prev = cp_ott; cp_ott->next = tmp_ott; tmp_ott->osd_kerning = sub_font->charspace + sub_font->width[' ']; cp_ott = tmp_ott; } tmp_ott->osd_length = xsize; tmp_ott->text_length = char_position; tmp_ott->text = malloc(char_position * sizeof(int)); for (counter = 0; counter < char_position; ++counter) tmp_ott->text[counter] = char_seq[counter]; char_position = 0; xsize = -sub_font->charspace; } free(char_seq); if (osl != NULL) { int value = 0, exit = 0, minimum = 0; // otp will contain the chain of the osd subtitle lines coming from the single vo_sub line. otp = tmp_otp = calloc(1, sizeof(struct osd_text_p)); tmp_otp->ott = osl; for (tmp_ott = tmp_otp->ott; exit == 0; ) { do { value += tmp_ott->osd_kerning + tmp_ott->osd_length; tmp_ott = tmp_ott->next; } while ((tmp_ott != NULL) && (value + tmp_ott->osd_kerning + tmp_ott->osd_length <= xlimit)); if (tmp_ott != NULL) { struct osd_text_p *tmp = calloc(1, sizeof(struct osd_text_p)); tmp_otp->value = value; tmp_otp->next = tmp; tmp->prev = tmp_otp; tmp_otp = tmp; tmp_otp->ott = tmp_ott; value = -2 * sub_font->charspace - sub_font->width[' ']; } else { tmp_otp->value = value; exit = 1; } } #ifdef NEW_SPLITTING // minimum holds the 'sum of the differences in length among the lines', // a measure of the evenness of the lengths of the lines for (tmp_otp = otp; tmp_otp->next != NULL; tmp_otp = tmp_otp->next) { pmt = tmp_otp->next; while (pmt != NULL) { minimum += abs(tmp_otp->value - pmt->value); pmt = pmt->next; } } if (otp->next != NULL) { int mem1, mem2; struct osd_text_p *mem, *hold; exit = 0; // until the last word of a line can be moved to the beginning of following line // reducing the 'sum of the differences in length among the lines', it is done while (exit == 0) { hold = NULL; exit = 1; for (tmp_otp = otp; tmp_otp->next != NULL; tmp_otp = tmp_otp->next) { pmt = tmp_otp->next; for (tmp = tmp_otp->ott; tmp->next != pmt->ott; tmp = tmp->next); if (pmt->value + tmp->osd_length + pmt->ott->osd_kerning <= xlimit) { mem1 = tmp_otp->value; mem2 = pmt->value; tmp_otp->value = mem1 - tmp->osd_length - tmp->osd_kerning; pmt->value = mem2 + tmp->osd_length + pmt->ott->osd_kerning; value = 0; for (mem = otp; mem->next != NULL; mem = mem->next) { pmt = mem->next; while (pmt != NULL) { value += abs(mem->value - pmt->value); pmt = pmt->next; } } if (value < minimum) { minimum = value; hold = tmp_otp; exit = 0; } tmp_otp->value = mem1; tmp_otp->next->value = mem2; } } // merging if (exit == 0) { tmp_otp = hold; pmt = tmp_otp->next; for (tmp = tmp_otp->ott; tmp->next != pmt->ott; tmp = tmp->next); mem1 = tmp_otp->value; mem2 = pmt->value; tmp_otp->value = mem1 - tmp->osd_length - tmp->osd_kerning; pmt->value = mem2 + tmp->osd_length + pmt->ott->osd_kerning; pmt->ott = tmp; }//~merging }//~while(exit == 0) }//~if(otp->next!=NULL) #endif // adding otp (containing splitted lines) to otp chain if (otp_sub == NULL) { otp_sub = otp; for (otp_sub_tmp = otp_sub; otp_sub_tmp->next != NULL; otp_sub_tmp = otp_sub_tmp->next); } else { //updating ott chain tmp = otp_sub->ott; while (tmp->next != NULL) tmp = tmp->next; tmp->next = otp->ott; otp->ott->prev = tmp; //attaching new subtitle line at the end otp_sub_tmp->next = otp; otp->prev = otp_sub_tmp; do otp_sub_tmp = otp_sub_tmp->next; while (otp_sub_tmp->next != NULL); } }//~ if(osl != NULL) } // while // write lines into utbl xtblc = 0; utblc = 0; obj->y = dys; obj->params.subtitle.lines = 0; for (tmp_otp = otp_sub; tmp_otp != NULL; tmp_otp = tmp_otp->next) { if ((obj->params.subtitle.lines++) >= MAX_UCSLINES) break; if (h > obj->y) { // out of the screen so end parsing obj->y -= lasth - sub_font->height; // correct the y position break; } xsize = tmp_otp->value; obj->params.subtitle.xtbl[xtblc++] = (dxs - xsize) / 2; if (xmin > (dxs - xsize) / 2) xmin = (dxs - xsize) / 2; if (xmax < (dxs + xsize) / 2) xmax = (dxs + xsize) / 2; tmp = (tmp_otp->next == NULL) ? NULL : tmp_otp->next->ott; for (tmp_ott = tmp_otp->ott; tmp_ott != tmp; tmp_ott = tmp_ott->next) { for (counter = 0; counter < tmp_ott->text_length; ++counter) { if (utblc > MAX_UCS) { break; } c = tmp_ott->text[counter]; render_one_glyph(sub_font, c); obj->params.subtitle.utbl[utblc++] = c; k++; } obj->params.subtitle.utbl[utblc++] = ' '; } obj->params.subtitle.utbl[utblc - 1] = 0; obj->y -= sub_font->height; } if(obj->params.subtitle.lines) obj->y = dys - ((obj->params.subtitle.lines - 1) * sub_font->height + sub_font->pic_a[sub_font->font[40]]->h); // free memory if (otp_sub != NULL) { for (tmp = otp_sub->ott; tmp->next != NULL; free(tmp->prev)) { free(tmp->text); tmp = tmp->next; } free(tmp->text); free(tmp); for(pmt = otp_sub; pmt->next != NULL; free(pmt->prev)) { pmt = pmt->next; } free(pmt); } } /// vertical alignment h = dys - obj->y; if (sub_alignment == 2) obj->y = dys * sub_pos / 100 - h; else if (sub_alignment == 1) obj->y = dys * sub_pos / 100 - h / 2; else obj->y = dys * sub_pos / 100; if (obj->y < 0) obj->y = 0; if (obj->y > dys - h) obj->y = dys - h; obj->bbox.y2 = obj->y + h; // calculate bbox: if (sub_justify) xmin = 10; obj->bbox.x1=xmin; obj->bbox.x2=xmax; obj->bbox.y1=obj->y; // obj->bbox.y2=obj->y+obj->params.subtitle.lines*sub_font->height; obj->flags|=OSDFLAG_BBOX; alloc_buf(obj); y = obj->y; obj->alignment = 0; switch(vo_sub->alignment) { case SUB_ALIGNMENT_BOTTOMLEFT: case SUB_ALIGNMENT_MIDDLELEFT: case SUB_ALIGNMENT_TOPLEFT: obj->alignment |= 0x1; break; case SUB_ALIGNMENT_BOTTOMRIGHT: case SUB_ALIGNMENT_MIDDLERIGHT: case SUB_ALIGNMENT_TOPRIGHT: obj->alignment |= 0x2; break; case SUB_ALIGNMENT_BOTTOMCENTER: case SUB_ALIGNMENT_MIDDLECENTER: case SUB_ALIGNMENT_TOPCENTER: default: obj->alignment |= 0x0; } i=j=0; if ((l = obj->params.subtitle.lines)) { for(counter = dxs; i < l; ++i) if (obj->params.subtitle.xtbl[i] < counter) counter = obj->params.subtitle.xtbl[i]; for (i = 0; i < l; ++i) { switch (obj->alignment&0x3) { case 1: // left x = counter; break; case 2: // right x = 2 * obj->params.subtitle.xtbl[i] - counter - ((obj->params.subtitle.xtbl[i] == counter) ? 0 : 1); break; default: //center x = obj->params.subtitle.xtbl[i]; } prevc = -1; while ((c=obj->params.subtitle.utbl[j++])){ x += kerning(sub_font,prevc,c); if ((font=sub_font->font[c])>=0) draw_alpha_buf(obj,x,y, sub_font->width[c], sub_font->pic_a[font]->h+ydys ? sub_font->pic_a[font]->h : obj->dys-y, sub_font->pic_b[font]->bmp+sub_font->start[c], sub_font->pic_a[font]->bmp+sub_font->start[c], sub_font->pic_a[font]->w); x+=sub_font->width[c]+sub_font->charspace; prevc = c; } y+=sub_font->height; } } } inline static void vo_update_spudec_sub(mp_osd_obj_t* obj, int dxs, int dys) { unsigned int bbox[4]; spudec_calc_bbox(vo_spudec, dxs, dys, bbox); obj->bbox.x1 = bbox[0]; obj->bbox.x2 = bbox[1]; obj->bbox.y1 = bbox[2]; obj->bbox.y2 = bbox[3]; obj->flags |= OSDFLAG_BBOX; } 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) { spudec_draw_scaled(vo_spudec, obj->dxs, obj->dys, draw_alpha, ctx); } void *vo_spudec=NULL; void *vo_vobsub=NULL; static int draw_alpha_init_flag=0; void vo_draw_alpha_init(void); mp_osd_obj_t* vo_osd_list=NULL; static mp_osd_obj_t* new_osd_obj(int type){ mp_osd_obj_t* osd=malloc(sizeof(mp_osd_obj_t)); memset(osd,0,sizeof(mp_osd_obj_t)); osd->next=vo_osd_list; vo_osd_list=osd; osd->type=type; osd->alpha_buffer = NULL; osd->bitmap_buffer = NULL; osd->allocated = -1; return osd; } void osd_free(struct osd_state *osd) { mp_osd_obj_t* obj=vo_osd_list; while(obj){ mp_osd_obj_t* next=obj->next; free(obj->alpha_buffer); free(obj->bitmap_buffer); free(obj); obj=next; } vo_osd_list=NULL; talloc_free(osd); } #define FONT_LOAD_DEFER 6 static int osd_update_ext(struct osd_state *osd, int dxs, int dys, int left_border, int top_border, int right_border, int bottom_border, int orig_w, int orig_h) { mp_osd_obj_t* obj=vo_osd_list; int chg=0; #ifdef CONFIG_FREETYPE static int defer_counter = 0, prev_dxs = 0, prev_dys = 0; #endif #ifdef CONFIG_FREETYPE // here is the right place to get screen dimensions if (((dxs != vo_image_width) && (subtitle_autoscale == 2 || subtitle_autoscale == 3)) || ((dys != vo_image_height) && (subtitle_autoscale == 1 || subtitle_autoscale == 3))) { // screen dimensions changed // wait a while to avoid useless reloading of the font if (dxs == prev_dxs || dys == prev_dys) { defer_counter++; } else { prev_dxs = dxs; prev_dys = dys; defer_counter = 0; } if (defer_counter >= FONT_LOAD_DEFER) force_load_font = 1; } if (force_load_font) { force_load_font = 0; load_font_ft(dxs, dys, &vo_font, font_name, osd_font_scale_factor); if (sub_font_name) load_font_ft(dxs, dys, &osd->sub_font, sub_font_name, text_font_scale_factor); else load_font_ft(dxs, dys, &osd->sub_font, font_name, text_font_scale_factor); prev_dxs = dxs; prev_dys = dys; defer_counter = 0; } else { if (!vo_font) load_font_ft(dxs, dys, &vo_font, font_name, osd_font_scale_factor); if (!osd->sub_font) { if (sub_font_name) load_font_ft(dxs, dys, &osd->sub_font, sub_font_name, text_font_scale_factor); else load_font_ft(dxs, dys, &osd->sub_font, font_name, text_font_scale_factor); } } #endif while(obj){ if(dxs!=obj->dxs || dys!=obj->dys || obj->flags&OSDFLAG_FORCE_UPDATE){ int vis=obj->flags&OSDFLAG_VISIBLE; obj->flags&=~OSDFLAG_BBOX; switch(obj->type){ #ifdef CONFIG_DVDNAV case OSDTYPE_DVDNAV: vo_update_nav(obj,dxs,dys, left_border, top_border, right_border, bottom_border, orig_w, orig_h); break; #endif case OSDTYPE_SUBTITLE: vo_update_text_sub(osd, obj,dxs,dys); break; case OSDTYPE_TELETEXT: vo_update_text_teletext(obj,dxs,dys); break; case OSDTYPE_PROGBAR: vo_update_text_progbar(obj,dxs,dys); break; case OSDTYPE_SPU: if(sub_visibility && vo_spudec && spudec_visible(vo_spudec)){ vo_update_spudec_sub(obj, dxs, dys); obj->flags|=OSDFLAG_VISIBLE|OSDFLAG_CHANGED; } else obj->flags&=~OSDFLAG_VISIBLE; break; case OSDTYPE_OSD: if(vo_font && osd->osd_text[0]){ vo_update_text_osd(osd, obj, dxs, dys); // update bbox obj->flags|=OSDFLAG_VISIBLE|OSDFLAG_CHANGED; } else obj->flags&=~OSDFLAG_VISIBLE; break; } // check bbox: if(!(obj->flags&OSDFLAG_BBOX)){ // we don't know, so assume the whole screen changed :( obj->bbox.x1=obj->bbox.y1=0; obj->bbox.x2=dxs; obj->bbox.y2=dys; obj->flags|=OSDFLAG_BBOX; } else { // check bbox, reduce it if it's out of bounds (corners): if(obj->bbox.x1<0) obj->bbox.x1=0; if(obj->bbox.y1<0) obj->bbox.y1=0; if(obj->bbox.x2>dxs) obj->bbox.x2=dxs; if(obj->bbox.y2>dys) obj->bbox.y2=dys; if(obj->flags&OSDFLAG_VISIBLE) // debug: mp_msg(MSGT_OSD,MSGL_DBG2,"OSD update: %d;%d %dx%d \n", obj->bbox.x1,obj->bbox.y1,obj->bbox.x2-obj->bbox.x1, obj->bbox.y2-obj->bbox.y1); } // check if visibility changed: if(vis != (obj->flags&OSDFLAG_VISIBLE) ) obj->flags|=OSDFLAG_CHANGED; // remove the cause of automatic update: obj->dxs=dxs; obj->dys=dys; obj->flags&=~OSDFLAG_FORCE_UPDATE; } if(obj->flags&OSDFLAG_CHANGED){ chg|=1<type; 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); } obj=obj->next; } return chg; } int osd_update(struct osd_state *osd, int dxs, int dys) { return osd_update_ext(osd, dxs, dys, 0, 0, 0, 0, dxs, dys); } struct osd_state *osd_create(void) { struct osd_state *osd = talloc_zero(NULL, struct osd_state); *osd = (struct osd_state){ }; if(!draw_alpha_init_flag){ draw_alpha_init_flag=1; vo_draw_alpha_init(); } // temp hack, should be moved to mplayer later new_osd_obj(OSDTYPE_OSD); new_osd_obj(OSDTYPE_SUBTITLE); new_osd_obj(OSDTYPE_PROGBAR); new_osd_obj(OSDTYPE_SPU); #ifdef CONFIG_DVDNAV new_osd_obj(OSDTYPE_DVDNAV); #endif new_osd_obj(OSDTYPE_TELETEXT); #ifdef CONFIG_FREETYPE force_load_font = 1; #endif return osd; } int vo_osd_changed_flag=0; void osd_remove_text(struct osd_state *osd, int dxs, int dys, void (*remove)(int x0, int y0, int w, int h)) { mp_osd_obj_t* obj=vo_osd_list; osd_update(osd, dxs, dys); while(obj){ if(((obj->flags&OSDFLAG_CHANGED) || (obj->flags&OSDFLAG_VISIBLE)) && (obj->flags&OSDFLAG_OLD_BBOX)){ int w=obj->old_bbox.x2-obj->old_bbox.x1; int h=obj->old_bbox.y2-obj->old_bbox.y1; if(w>0 && h>0){ vo_osd_changed_flag=obj->flags&OSDFLAG_CHANGED; // temp hack remove(obj->old_bbox.x1,obj->old_bbox.y1,w,h); } // obj->flags&=~OSDFLAG_OLD_BBOX; } obj=obj->next; } } void osd_draw_text_ext(struct osd_state *osd, int dxs, int dys, int left_border, int top_border, int right_border, int bottom_border, int orig_w, int orig_h, void (*draw_alpha)(void *ctx, int x0, int y0, int w, int h, unsigned char* src, unsigned char *srca, int stride), void *ctx) { mp_osd_obj_t* obj=vo_osd_list; osd_update_ext(osd, dxs, dys, left_border, top_border, right_border, bottom_border, orig_w, orig_h); while(obj){ if(obj->flags&OSDFLAG_VISIBLE){ vo_osd_changed_flag=obj->flags&OSDFLAG_CHANGED; // temp hack switch(obj->type){ case OSDTYPE_SPU: vo_draw_spudec_sub(obj, draw_alpha, ctx); // FIXME break; #ifdef CONFIG_DVDNAV case OSDTYPE_DVDNAV: #endif case OSDTYPE_TELETEXT: case OSDTYPE_OSD: case OSDTYPE_SUBTITLE: case OSDTYPE_PROGBAR: vo_draw_text_from_buffer(obj, draw_alpha, ctx); break; } obj->old_bbox=obj->bbox; obj->flags|=OSDFLAG_OLD_BBOX; } obj->flags&=~OSDFLAG_CHANGED; obj=obj->next; } } void osd_draw_text(struct osd_state *osd, int dxs, int dys, void (*draw_alpha)(void *ctx, int x0, int y0, int w, int h, unsigned char* src, unsigned char *srca, int stride), void *ctx) { osd_draw_text_ext(osd, dxs, dys, 0, 0, 0, 0, dxs, dys, draw_alpha, ctx); } static int vo_osd_changed_status = 0; int vo_osd_changed(int new_value) { mp_osd_obj_t* obj=vo_osd_list; int ret = vo_osd_changed_status; vo_osd_changed_status = new_value; while(obj){ if(obj->type==new_value) obj->flags|=OSDFLAG_FORCE_UPDATE; obj=obj->next; } return ret; } // BBBBBBBBBBBB AAAAAAAAAAAAA BBBBBBBBBBB // BBBBBBBBBBBB BBBBBBBBBBBBB // BBBBBBB // return TRUE if we have osd in the specified rectangular area: int vo_osd_check_range_update(int x1,int y1,int x2,int y2){ mp_osd_obj_t* obj=vo_osd_list; while(obj){ if(obj->flags&OSDFLAG_VISIBLE){ if( (obj->bbox.x1<=x2 && obj->bbox.x2>=x1) && (obj->bbox.y1<=y2 && obj->bbox.y2>=y1) && obj->bbox.y2 > obj->bbox.y1 && obj->bbox.x2 > obj->bbox.x1 ) return 1; } obj=obj->next; } return 0; }