[Mplayer-cvslog] CVS: main/libvo font_load.c,NONE,1.1 font_load.h,NONE,1.1 Makefile,1.3,1.4 sub.c,1.1,1.2 video_out.h,1.2,1.3 vo_mga.c,1.6,1.7 vo_x11.c,1.4,1.5 vo_xmga.c,1.8,1.9

GEREOFFY arpi_esp at users.sourceforge.net
Sun Mar 25 06:28:42 CEST 2001


Update of /cvsroot/mplayer/main/libvo
In directory usw-pr-cvs1:/tmp/cvs-serv23619

Modified Files:
	Makefile sub.c video_out.h vo_mga.c vo_x11.c vo_xmga.c 
Added Files:
	font_load.c font_load.h 
Log Message:
subtitle+OSD font support

--- NEW FILE ---

#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

--- NEW FILE ---

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);

Index: Makefile
===================================================================
RCS file: /cvsroot/mplayer/main/libvo/Makefile,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -r1.3 -r1.4
*** Makefile	2001/03/03 21:46:39	1.3
--- Makefile	2001/03/25 04:28:40	1.4
***************
*** 4,9 ****
  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)
  
  CFLAGS  = $(OPTFLAGS) -I. -I.. -DMPG12PLAY
--- 4,9 ----
  LIBNAME = libvo.a
  
! 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

Index: sub.c
===================================================================
RCS file: /cvsroot/mplayer/main/libvo/sub.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -r1.1 -r1.2
*** sub.c	2001/03/24 04:36:17	1.1
--- sub.c	2001/03/25 04:28:40	1.2
***************
*** 1,71 ****
  
! 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;
! }
  
  int vo_sub_lines=2;
! char* vo_sub_text[8];
  
  
! void vo_draw_text(void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
      int i;
!     int y=100;
  
      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");
-     
      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;
      }
  
  }
  
--- 1,82 ----
  
! //static int vo_font_loaded=-1;
! font_desc_t* vo_font=NULL;
  
  int vo_sub_lines=2;
! unsigned char* vo_sub_text[8];
  
+ unsigned char* vo_osd_text="00:00:00";
  
! 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;
! 
!     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
+     y=dys-(1+vo_sub_lines)*vo_font->height;
      
      for(i=0;i<vo_sub_lines;i++){
!         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
+ 
  }
+ 
+ 
  

Index: video_out.h
===================================================================
RCS file: /cvsroot/mplayer/main/libvo/video_out.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -r1.2 -r1.3
*** video_out.h	2001/03/03 21:46:39	1.2
--- video_out.h	2001/03/25 04:28:40	1.3
***************
*** 9,12 ****
--- 9,14 ----
  #include <inttypes.h>
  
+ #include "font_load.h"
+ 
  #define IMGFMT_YV12 0x32315659
  //#define IMGFMT_YUY2 (('Y'<<24)|('U'<<16)|('Y'<<8)|'2')
***************
*** 103,105 ****
--- 105,112 ----
  // 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;
  

Index: vo_mga.c
===================================================================
RCS file: /cvsroot/mplayer/main/libvo/vo_mga.c,v
retrieving revision 1.6
retrieving revision 1.7
diff -C2 -r1.6 -r1.7
*** vo_mga.c	2001/03/24 04:35:45	1.6
--- vo_mga.c	2001/03/25 04:28:40	1.7
***************
*** 106,110 ****
  static void flip_page(void)
  {
!     vo_draw_text(draw_alpha);
      vo_mga_flip_page();
  }
--- 106,110 ----
  static void flip_page(void)
  {
!     vo_draw_text(mga_vid_config.src_width,mga_vid_config.src_height,draw_alpha);
      vo_mga_flip_page();
  }

Index: vo_x11.c
===================================================================
RCS file: /cvsroot/mplayer/main/libvo/vo_x11.c,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -r1.4 -r1.5
*** vo_x11.c	2001/03/24 21:31:37	1.4
--- vo_x11.c	2001/03/25 04:28:40	1.5
***************
*** 407,411 ****
  
  static void flip_page( void ){
!     vo_draw_text(draw_alpha);
      check_events();
      Display_Image( myximage,ImageData );
--- 407,411 ----
  
  static void flip_page( void ){
!     vo_draw_text(image_width,image_height,draw_alpha);
      check_events();
      Display_Image( myximage,ImageData );

Index: vo_xmga.c
===================================================================
RCS file: /cvsroot/mplayer/main/libvo/vo_xmga.c,v
retrieving revision 1.8
retrieving revision 1.9
diff -C2 -r1.8 -r1.9
*** vo_xmga.c	2001/03/24 04:35:45	1.8
--- vo_xmga.c	2001/03/25 04:28:40	1.9
***************
*** 152,156 ****
  #endif
  
!     vo_draw_text(draw_alpha);
  
      check_events();
--- 152,156 ----
  #endif
  
!     vo_draw_text(mga_vid_config.src_width,mga_vid_config.src_height,draw_alpha);
  
      check_events();


_______________________________________________
Mplayer-cvslog mailing list
Mplayer-cvslog at lists.sourceforge.net
http://lists.sourceforge.net/lists/listinfo/mplayer-cvslog



More information about the MPlayer-cvslog mailing list