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subtitle+OSD font support 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@214 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi_esp 2001-03-25 04:28:40 +00:00
parent 920d015335
commit 54afa85eef
8 changed files with 293 additions and 62 deletions
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4
libvo/Makefile
View File

@ -3,8 +3,8 @@ include config.mak
LIBNAME = libvo.a
SRCS=rgb15to16mmx.c yuv2rgb_mmx.c yuv2rgb.c video_out.c vo_null.c vo_pgm.c vo_md5.c vo_odivx.c x11_common.c $(OPTIONAL_SRCS)
OBJS=rgb15to16mmx.o yuv2rgb_mmx.o yuv2rgb.o video_out.o vo_null.o vo_pgm.o vo_md5.o vo_odivx.o x11_common.o $(OPTIONAL_OBJS)
SRCS=font_load.c rgb15to16mmx.c yuv2rgb_mmx.c yuv2rgb.c video_out.c vo_null.c vo_pgm.c vo_md5.c vo_odivx.c x11_common.c $(OPTIONAL_SRCS)
OBJS=font_load.o rgb15to16mmx.o yuv2rgb_mmx.o yuv2rgb.o video_out.o vo_null.o vo_pgm.o vo_md5.o vo_odivx.o x11_common.o $(OPTIONAL_OBJS)
CFLAGS = $(OPTFLAGS) -I. -I.. -DMPG12PLAY
# -I/usr/X11R6/include/

191
libvo/font_load.c Normal file
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@ -0,0 +1,191 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "font_load.h"
raw_file* load_raw(char *name){
int bpp;
raw_file* raw=malloc(sizeof(raw_file));
unsigned char head[32];
FILE *f=fopen(name,"rb");
if(!f) return NULL; // can't open
if(fread(head,32,1,f)<1) return NULL; // too small
if(memcmp(head,"mhwanh",6)) return NULL; // not raw file
raw->w=head[8]*256+head[9];
raw->h=head[10]*256+head[11];
raw->c=head[12]*256+head[13];
if(raw->c>256) return NULL; // too many colors!?
printf("RAW: %s %d x %d, %d colors\n",name,raw->w,raw->h,raw->c);
if(raw->c){
raw->pal=malloc(raw->c*3);
fread(raw->pal,3,raw->c,f);
bpp=1;
} else {
raw->pal=NULL;
bpp=3;
}
raw->bmp=malloc(raw->h*raw->w*bpp);
fread(raw->bmp,raw->h*raw->w*bpp,1,f);
fclose(f);
return raw;
}
font_desc_t* read_font_desc(char* fname){
unsigned char sor[1024];
unsigned char sor2[1024];
font_desc_t *desc;
FILE *f;
char section[64];
int i,j;
int chardb=0;
int fontdb=-1;
desc=malloc(sizeof(font_desc_t));if(!desc) return NULL;
memset(desc,0,sizeof(font_desc_t));
f=fopen(fname,"rt");if(!f){ printf("font: can't open file: %s\n",fname); return NULL;}
// set up some defaults, and erase table
desc->charspace=2;
desc->spacewidth=12;
desc->height=0;
for(i=0;i<512;i++) desc->start[i]=desc->width[i]=desc->font[i]=-1;
section[0]=0;
while(fgets(sor,1020,f)){
unsigned char* p[8];
int pdb=0;
unsigned char *s=sor;
unsigned char *d=sor2;
int ec=' ';
int id=0;
sor[1020]=0;
p[0]=d;++pdb;
while(1){
int c=*s++;
if(c==0 || c==13 || c==10) break;
if(!id){
if(c==39 || c==34){ id=c;continue;} // idezojel
if(c==';' || c=='#') break;
if(c==9) c=' ';
if(c==' '){
if(ec==' ') continue;
*d=0; ++d;
p[pdb]=d;++pdb;
if(pdb>=8) break;
continue;
}
} else {
if(id==c){ id=0;continue;} // idezojel
}
*d=c;d++;
ec=c;
}
if(d==sor2) continue; // skip empty lines
*d=0;
// printf("params=%d sor=%s\n",pdb,sor);
// for(i=0;i<pdb;i++) printf(" param %d = '%s'\n",i,p[i]);
if(pdb==1 && p[0][0]=='['){
int len=strlen(p[0]);
if(len && len<63 && p[0][len-1]==']'){
strcpy(section,p[0]);
printf("font: Reading section: %s\n",section);
if(strcmp(section,"[files]")==0){
++fontdb;
if(fontdb>=16){ printf("font: Too many bitmaps defined!\n");return NULL;}
}
continue;
}
}
if(strcmp(section,"[files]")==0){
if(pdb==2 && strcmp(p[0],"alpha")==0){
if(!((desc->pic_a[fontdb]=load_raw(p[1])))){
printf("Can't load font bitmap: %s\n",p[1]);
return NULL;
}
continue;
}
if(pdb==2 && strcmp(p[0],"bitmap")==0){
if(!((desc->pic_b[fontdb]=load_raw(p[1])))){
printf("Can't load font bitmap: %s\n",p[1]);
return NULL;
}
continue;
}
} else
if(strcmp(section,"[info]")==0){
if(pdb==2 && strcmp(p[0],"spacewidth")==0){
desc->spacewidth=atoi(p[1]);
continue;
}
if(pdb==2 && strcmp(p[0],"charspace")==0){
desc->charspace=atoi(p[1]);
continue;
}
if(pdb==2 && strcmp(p[0],"height")==0){
desc->height=atoi(p[1]);
continue;
}
} else
if(strcmp(section,"[characters]")==0){
if(pdb==3 && strlen(p[0])==1){
int chr=p[0][0];
int start=atoi(p[1]);
int end=atoi(p[2]);
if(end<start) {
printf("error in font desc: end<start for char '%c'\n",chr);
} else {
desc->start[chr]=start;
desc->width[chr]=end-start+1;
desc->font[chr]=fontdb;
// printf("char %d '%c' start=%d width=%d\n",chr,chr,desc->start[chr],desc->width[chr]);
++chardb;
}
continue;
}
}
printf("Syntax error in font desc: %s\n",sor);
}
fclose(f);
//printf("font: pos of U = %d\n",desc->start[218]);
for(i=0;i<=fontdb;i++){
if(!desc->pic_a[i] || !desc->pic_b[i]){
printf("font: Missing bitmap(s) for sub-font #%d\n",i);
return NULL;
}
if(!desc->height) desc->height=desc->pic_a[i]->h;
}
j='_';if(desc->font[j]<0) j='?';
for(i=0;i<512;i++)
if(desc->font[i]<0){
desc->start[i]=desc->start[j];
desc->width[i]=desc->width[j];
desc->font[i]=desc->font[j];
}
desc->font[' ']=-1;
desc->width[' ']=desc->spacewidth;
printf("font: Font %s loaded successfully! (%d chars)\n",fname,chardb);
return desc;
}
#if 0
int main(){
read_font_desc("high_arpi.desc");
}
#endif

22
libvo/font_load.h Normal file
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@ -0,0 +1,22 @@
typedef struct {
unsigned char *bmp;
unsigned char *pal;
int w,h,c;
} raw_file;
typedef struct {
int spacewidth;
int charspace;
int height;
// char *fname_a;
// char *fname_b;
raw_file* pic_a[16];
raw_file* pic_b[16];
short font[512];
short start[512];
short width[512];
} font_desc_t;
raw_file* load_raw(char *name);
font_desc_t* read_font_desc(char* fname);

125
libvo/sub.c
View File

@ -1,71 +1,82 @@
typedef struct {
unsigned char *bmp;
unsigned char *pal;
int w,h,c;
} raw_file;
raw_file* load_raw(char *name){
int bpp;
raw_file* raw=malloc(sizeof(raw_file));
unsigned char head[32];
FILE *f=fopen(name,"rb");
if(!f) return NULL; // can't open
if(fread(head,32,1,f)<1) return NULL; // too small
if(memcmp(head,"mhwanh",6)) return NULL; // not raw file
raw->w=head[8]*256+head[9];
raw->h=head[10]*256+head[11];
raw->c=head[12]*256+head[13];
if(raw->c>256) return NULL; // too many colors!?
printf("RAW: %d x %d, %d colors\n",raw->w,raw->h,raw->c);
if(raw->c){
raw->pal=malloc(raw->c*3);
fread(raw->pal,3,raw->c,f);
bpp=1;
} else {
raw->pal=NULL;
bpp=3;
}
raw->bmp=malloc(raw->h*raw->w*bpp);
fread(raw->bmp,raw->h*raw->w*bpp,1,f);
fclose(f);
return raw;
}
static int vo_font_loaded=-1;
static raw_file* vo_font_bmp=NULL;
static raw_file* vo_font_alpha=NULL;
void vo_load_font(char *bmpname,char *alphaname){
vo_font_loaded=0;
if(!(vo_font_bmp=load_raw(bmpname)))
printf("vo: Can't load font BMP\n"); else
if(!(vo_font_alpha=load_raw(alphaname)))
printf("vo: Can't load font Alpha\n"); else
vo_font_loaded=1;
}
//static int vo_font_loaded=-1;
font_desc_t* vo_font=NULL;
int vo_sub_lines=2;
char* vo_sub_text[8];
unsigned char* vo_sub_text[8];
unsigned char* vo_osd_text="00:00:00";
void vo_draw_text(void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
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)){
int i;
int y=100;
int y;
if(!vo_font) return; // no font
if(vo_osd_text){
int len=strlen(vo_osd_text);
int j;
int y=10;
int x=20;
for(j=0;j<len;j++){
int c=vo_osd_text[j];
int font=vo_font->font[c];
if(font>=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;
}
}
#if 1
if(vo_sub_lines<=0) return; // no text
if(vo_font_loaded==-1) vo_load_font("font_b.raw","font_a.raw");
if(!vo_font_loaded) return; // no font
// if(!vo_font_bmp) vo_load_font("mplayer_font_lowres_bitmap.raw","mplayer_font_lowres_alpha.raw");
y=dys-(1+vo_sub_lines)*vo_font->height;
for(i=0;i<vo_sub_lines;i++){
char* text="Hello World!"; //vo_sub_text[i];
draw_alpha(100,y,50,vo_font_bmp->h,vo_font_bmp->bmp,vo_font_alpha->bmp,vo_font_bmp->w);
// x11_draw_alpha(100,y,50,vo_font_bmp->h,vo_font_bmp->bmp,vo_font_alpha->bmp,vo_font_bmp->w);
y+=50;
unsigned char* text="Hello World! HÛDEJÓ!"; //vo_sub_text[i];
int len=strlen(text);
int j;
int xsize=-vo_font->charspace;
int x=0;
for(j=0;j<len;j++){
int w=vo_font->width[text[j]];
if(w>100) printf("gazvan: %d (%d=%c)\n",w,text[j],text[j]);
xsize+=w+vo_font->charspace;
}
//printf("text width = %d\n",xsize);
if(xsize>dxs) printf("Warning! SUB too wide!!! (%d>%d)\n",xsize,dxs);
x=dxs/2-xsize/2;
for(j=0;j<len;j++){
int c=text[j];
int font=vo_font->font[c];
if(x>=0 && x+vo_font->width[c]<dxs)
if(font>=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;
}
y+=vo_font->height;
}
#endif
}

7
libvo/video_out.h
View File

@ -8,6 +8,8 @@
#include <inttypes.h>
#include "font_load.h"
#define IMGFMT_YV12 0x32315659
//#define IMGFMT_YUY2 (('Y'<<24)|('U'<<16)|('Y'<<8)|'2')
#define IMGFMT_YUY2 (('2'<<24)|('Y'<<16)|('U'<<8)|'Y')
@ -103,3 +105,8 @@ typedef struct vo_functions_s
// NULL terminated array of all drivers
extern vo_functions_t* video_out_drivers[];
extern int vo_sub_lines;
extern unsigned char* vo_sub_text[8];
extern unsigned char* vo_osd_text;
extern font_desc_t* vo_font;

2
libvo/vo_mga.c
View File

@ -105,7 +105,7 @@ printf("vo: uninit!\n");
static void flip_page(void)
{
vo_draw_text(draw_alpha);
vo_draw_text(mga_vid_config.src_width,mga_vid_config.src_height,draw_alpha);
vo_mga_flip_page();
}

2
libvo/vo_x11.c
View File

@ -406,7 +406,7 @@ static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned
static void flip_page( void ){
vo_draw_text(draw_alpha);
vo_draw_text(image_width,image_height,draw_alpha);
check_events();
Display_Image( myximage,ImageData );
}

2
libvo/vo_xmga.c
View File

@ -151,7 +151,7 @@ static void flip_page(void){
timer=t;
#endif
vo_draw_text(draw_alpha);
vo_draw_text(mga_vid_config.src_width,mga_vid_config.src_height,draw_alpha);
check_events();
vo_mga_flip_page();