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mpv/libvo/sub.c
atmos4 06ebd66015 osd outside movie support for vo_sdl, patch by Fredrik Kuivinen 
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4808 b3059339-0415-0410-9bf9-f77b7e298cf2
2002-02-22 15:25:11 +00:00

331 lines
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C
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#include "config.h"
#include "video_out.h"
#include "sub.h"
#include <stdlib.h>
char * __sub_osd_names[]={
"Seekbar",
"Play",
"Pause",
"Stop",
"Rewind",
"Forward",
"Clock",
"Contrast",
"Saturation",
"Volume",
"Brightness",
"Hue"
};
char * __sub_osd_names_short[] ={ "", "|>", "||", "[]", "<<" , ">>", "", "", "", "", "", ""};
//static int vo_font_loaded=-1;
font_desc_t* vo_font=NULL;
unsigned char* vo_osd_text=NULL;
int sub_unicode=0;
int sub_utf8=0;
int sub_pos=100;
inline static void vo_draw_text_osd(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
unsigned char *cp=vo_osd_text;
int c;
int font;
int y=10;
int x=20;
while (*cp){
c=*cp++;
if ((font=vo_font->font[c])>=0)
draw_alpha(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;
}
}
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_draw_text_progbar(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
unsigned char *s;
unsigned char *sa;
int i,w,h,st,mark;
int y=(dys-vo_font->height)/2;
int c,font;
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;
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((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(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(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(x,y,w,h,s,sa,st);
x+=charw;
} while(--i);
}
c=OSD_PB_END;
if ((font=vo_font->font[c])>=0)
draw_alpha(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;
#define MAX_UCS 1600
#define MAX_UCSLINES 16
inline static void vo_draw_text_sub(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
static int utbl[MAX_UCS+1];
static int xtbl[MAX_UCSLINES];
static int lines;
static subtitle *memsub=NULL;
static int memy;
static int memdxs;
static int memdys;
unsigned char *t;
int c,i,j,l,x,y,font;
int len;
int k,lastk;
int lastStripPosition;
int xsize,lastxsize;
int h,lasth;
if ((memsub!=vo_sub)||(memdxs!=dxs)||(memdys!=dys)){
memsub=vo_sub;
memdxs=dxs;
memdys=memy=dys;
// too long lines divide into a smaller ones
i=k=lines=lasth=0;
h=vo_font->height;
xsize=-vo_font->charspace;
lastStripPosition=-1;
l=vo_sub->lines;
while (l) {
l--;
t=vo_sub->text[i++];
len=strlen(t)-1;
// printf("sub(%d) '%s'\n",len,t);
// if(len<0) memy -=h; // according to max of vo_font->pic_a[font]->h
// else
for (j=0;j<=len;j++){
if ((c=t[j])>=0x80){
if (sub_utf8){
if ((c & 0xe0) == 0xc0) /* 2 bytes U+00080..U+0007FF*/
c = (c & 0x1f)<<6 | (t[++j] & 0x3f);
else if((c & 0xf0) == 0xe0)/* 3 bytes U+00800..U+00FFFF*/
c = ((c & 0x0f)<<6 |
(t[++j] & 0x3f))<<6 | (t[++j] & 0x3f);
} else if (sub_unicode)
c = (c<<8) + t[++j];
}
if (k==MAX_UCS){
len=j; // end here
printf ("\nMAX_UCS exceeded!\n");
}
if (!c) c++; // avoid UCS 0
if (c==' '){
lastk=k;
lastStripPosition=j;
lastxsize=xsize;
} else if ((font=vo_font->font[c])>=0){
if (vo_font->pic_a[font]->h > h){
h=vo_font->pic_a[font]->h;
}
}
utbl[k++]=c;
xsize+=vo_font->width[c]+vo_font->charspace;
if (dxs<xsize){
if (lastStripPosition>0){
j=lastStripPosition;
xsize=lastxsize;
k=lastk;
} else {
xsize -=vo_font->width[c]+vo_font->charspace; // go back
k--; // cut line here
while (t[j] && t[j]!=' ') j++; // jump to the nearest space
}
} else if (j<len)
continue;
if (h>memy){ // out of the screen so end parsing
memy -= lasth - vo_font->height; // correct the y position
l=0;
break;
}
utbl[k++]=0;
xtbl[lines++]=(dxs-xsize)/2;
if (lines==MAX_UCSLINES||k>MAX_UCS){
l=0; len=j; // end parsing
} else if(l || j<len){ // not the last line or not the last char
lastStripPosition=-1;
xsize=-vo_font->charspace;
lasth=h;
h=vo_font->height;
}
// printf("h: %d -> %d \n",vo_font->height,h);
memy -=h; // according to max of vo_font->pic_a[font]->h
}
}
}
if (memy < (dys * sub_pos / 100)) { y = memy; } else { y = dys * sub_pos /100;};
// printf("lines=%d y=%d\n",lines,y);
i=j=0;
if ((l=lines)) for (;;) {
x=xtbl[i++];
while ((c=utbl[j++])){
if ((font=vo_font->font[c])>=0)
draw_alpha(x,y,
vo_font->width[c],
vo_font->pic_a[font]->h+y<dys ? vo_font->pic_a[font]->h : dys-y,
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;
}
if (!--l)
return;
y+=vo_font->height;
}
}
void *vo_spudec=NULL;
void *vo_vobsub=NULL;
inline static void vo_draw_spudec(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
spudec_draw_scaled(vo_spudec, dxs, dys, draw_alpha);
}
inline static void vo_draw_vobsub(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
vobsub_draw(vo_vobsub, dxs, dys, draw_alpha);
}
static int draw_alpha_init_flag=0;
extern void vo_draw_alpha_init();
void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
if(vo_spudec){
vo_draw_spudec(dxs,dys,draw_alpha);
}
if(vo_vobsub){
vo_draw_vobsub(dxs,dys,draw_alpha);
}
if(!vo_font) return; // no font
if(!draw_alpha_init_flag){
draw_alpha_init_flag=1;
vo_draw_alpha_init();
}
if(vo_osd_text){
vo_draw_text_osd(dxs,dys,draw_alpha);
}
if(vo_sub){
vo_draw_text_sub(dxs,dys,draw_alpha);
}
if(vo_osd_progbar_type>=0 && vo_font->font[OSD_PB_0]>=0){
vo_draw_text_progbar(dxs,dys,draw_alpha);
}
}
static int vo_osd_changed_status = 0;
int vo_osd_changed(int new_value)
{
int ret = vo_osd_changed_status;
vo_osd_changed_status = new_value;
return ret;
}
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