diff options
Diffstat (limited to 'sub/osd_ft.c')
| -rw-r--r-- | sub/osd_ft.c | 969 |
1 files changed, 969 insertions, 0 deletions
diff --git a/sub/osd_ft.c b/sub/osd_ft.c new file mode 100644 index 0000000000..f44100a3b9 --- /dev/null +++ b/sub/osd_ft.c @@ -0,0 +1,969 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "config.h" +#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 "path.h" +#include "mp_msg.h" +#include "libvo/video_out.h" +#include "sub.h" +#include "sub/font_load.h" +#include "spudec.h" +#include "libavutil/common.h" + +#define FONT_LOAD_DEFER 6 +#define NEW_SPLITTING + +//static int vo_font_loaded=-1; +font_desc_t* vo_font=NULL; + +// 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; +}; +//^ + + +// 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(h<vo_font->pic_a[font]->h) h=vo_font->pic_a[font]->h; + return h; +} + + +void vo_update_text_osd(struct osd_state *osd, mp_osd_obj_t *obj) +{ + 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; + + osd_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; + } +} + +static int vo_osd_teletext_scale=0; + +// 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; + } +} +void vo_update_text_teletext(struct osd_state *osd, mp_osd_obj_t *obj) +{ + 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]; + int dxs = osd->w, dys = osd->h; + + 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;i<max_rows;i++){ + for(j=0;j<VBI_COLUMNS;j++){ + tc=tdp[i*VBI_COLUMNS+j]; + if(!tc.ctl && !tc.gfx) + { + render_one_glyph(vo_font, tc.unicode); + if (wm<vo_font->width[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<dxs) + x0=(dxs-w)/2; + else + x0=0; + if(h<dys) + y0=(dys-h)/2; + else + y0=0; + + wm12=wm>>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; + osd_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;i<rows;i++){ + x=x0; + for(j=0;j<cols;j++){ + tc=tdp[(i+start_row)*VBI_COLUMNS+j]; + if (tc.hidden) { x+=wm; continue;} + if(!tc.gfx || (tc.flh && !flashon)){ + /* Rendering one text character */ + draw_alpha_buf(obj,x,y,wm,hm,buf[tc.bg],buf[8],wm); + if(tc.unicode!=0x20 && tc.unicode!=0x00 && !tc.ctl && + (!tc.flh || flashon) && + (font=vo_font->font[tc.unicode])>=0 && y+hm<dys){ + tt_draw_alpha_buf(obj,x,y,vo_font->width[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]); +} + +// 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 + +void vo_update_text_progbar(struct osd_state *osd, mp_osd_obj_t *obj){ + + 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=(osd->h-vo_font->height)/2; + int delimw=vo_font->width[OSD_PB_START] + +vo_font->width[OSD_PB_END] + +vo_font->charspace; + int width=(2*osd->w-3*delimw)/3; + int charw=vo_font->width[OSD_PB_0]+vo_font->charspace; + int elems=width/charw; + int x=(osd->w-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 + } + + osd_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; + +} + +void vo_update_text_sub(struct osd_state *osd, mp_osd_obj_t *obj){ + unsigned char *t; + int c,i,j,l,x,y,font,prevc,counter; + int k; + int xsize; + int dxs = osd->w, dys = osd->h; + 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; + l=vo_sub->lines; + + { + struct osd_text_t *osl, *cp_ott, *tmp_ott, *tmp; + struct osd_text_p *otp_sub = NULL, *otp_sub_tmp = NULL, // 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((const 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; + + osd_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+y<obj->dys ? 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; + } + } + +} + +void osd_init_backend(struct osd_state *osd) +{ + // check font +#ifdef CONFIG_FREETYPE + init_freetype(); +#endif +#ifdef CONFIG_FONTCONFIG + if (font_fontconfig <= 0) { +#endif +#ifdef CONFIG_BITMAP_FONT + if (font_name) { + vo_font = read_font_desc(font_name, font_factor, verbose > 1); + if (!vo_font) + mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "Cannot load bitmap font: %s\n", + filename_recode(font_name)); + } else { + // try default: + char *mem_ptr; + vo_font = read_font_desc(mem_ptr = get_path("font/font.desc"), + font_factor, verbose > 1); + free(mem_ptr); // release the buffer created by get_path() + if (!vo_font) + vo_font = read_font_desc(MPLAYER_DATADIR "/font/font.desc", + font_factor, verbose > 1); + } + if (sub_font_name) + osd->sub_font = read_font_desc(sub_font_name, font_factor, + verbose > 1); + else + osd->sub_font = vo_font; +#endif +#ifdef CONFIG_FONTCONFIG + } +#endif +} + +void osd_destroy_backend(struct osd_state *osd) +{ +#ifdef CONFIG_FREETYPE + current_module = "uninit_font"; + if (osd && osd->sub_font != vo_font) + free_font_desc(osd->sub_font); + free_font_desc(vo_font); + vo_font = NULL; + done_freetype(); +#endif +} + +void osd_font_invalidate(void) +{ +#ifdef CONFIG_FREETYPE + force_load_font = 1; +#endif +} + +void osd_font_load(struct osd_state *osd) +{ +#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 + int dxs = osd->w, dys = osd->h; + 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 +} + +void osd_get_function_sym(char *buffer, size_t buffer_size, int osd_function) +{ + snprintf(buffer, buffer_size, "%c", osd_function); +} |