[Mplayer-cvslog] CVS: main subreader.c,NONE,1.1 subreader.h,NONE,1.1 mplayer.c,1.32,1.33 cfg-mplayer.h,1.10,1.11

GEREOFFY arpi_esp at users.sourceforge.net
Fri Mar 30 05:07:47 CEST 2001


Update of /cvsroot/mplayer/main
In directory usw-pr-cvs1:/tmp/cvs-serv4835

Modified Files:
	mplayer.c cfg-mplayer.h 
Added Files:
	subreader.c subreader.h 
Log Message:
subtitles (.sub files) support

--- NEW FILE ---
/*
 * Subtitle reader with format autodetection
 * Mier nem muxik realloccal!?!?! - nekem muxik :)
 *
 * Written by laaz
 * Some code cleanup & realloc() by A'rpi/ESP-team
 */


#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "subreader.h"

#define ERR (void *)-1


int sub_uses_time=0;
int sub_errs=0;
int sub_num=0;         // number of subtitle structs
int sub_format=-1;     // 0 for microdvd, 1 for SubRip, 2 for the third format


char *sub_readtext(char *source, char **dest) {
    int len=0;
    char *p;
    
    for (p=source;*p!='\r' && *p!='\n' && *p!='|'; p++,len++);
    
    *dest= (char *)malloc (len+1);
    if (!dest) {return ERR;}
    
    strncpy(*dest, source, len);
    (*dest)[len]=0;
    
    while (*p=='\r' || *p=='\n' || *p=='|') p++;
    
    if (*p) return p;  // not-last text field
    else return NULL;  // last text field
}



subtitle *sub_read_line_microdvd(FILE *fd,subtitle *current) {
    char line[1001];
    char line2[1001];
    char *p, *next;
    int i;

    bzero (current, sizeof(current));

    do {
	if (!fgets (line, 1000, fd)) return NULL;
    } while (*line=='\n' || *line == '\r' || !*line);
    
    if (sscanf (line, "{%i}{%i}%s", &(current->start), &(current->end),line2) <2) {return ERR;}

    p=line;
    while (*p++!='}');
    while (*p++!='}');

    next=p, i=0;
    while ((next =sub_readtext (next, &(current->text[i])))) {
        if (current->text[i]==ERR || current->text[i]==ERR) {return ERR;}
	i++;
	if (i>SUB_MAX_TEXT) { printf ("Too many lines in a subtitle\n");return ERR;}
    }
    current->lines=i+1;

    return current;
}

subtitle *sub_read_line_subrip(FILE *fd, subtitle *current) {
    char line[1001];
    int a1,a2,a3,a4,b1,b2,b3,b4;
    char *p=NULL, *q=NULL;
    int len;
    
    bzero (current, sizeof(current));
    
    while (!current->text[0]) {
	if (!fgets (line, 1000, fd)) return NULL;
	if (sscanf (line, "%i:%i:%i.%i,%i:%i:%i.%i",&a1,&a2,&a3,&a4,&b1,&b2,&b3,&b4) < 8) continue;
	current->start = a1*360000+a2*6000+a3*100+a4;
	current->end   = b1*360000+b2*6000+b3*100+b4;

	if (!fgets (line, 1000, fd)) return NULL;

	p=q=line;
	for (current->lines=1; current->lines < SUB_MAX_TEXT; current->lines++) {
	    for (q=p,len=0; *p && *p!='\r' && *p!='\n' && strncmp(p,"[br]",4); p++,len++);
	    current->text[current->lines-1]=(char *)malloc (len+1);
	    if (!current->text[current->lines-1]) return ERR;
	    strncpy (current->text[current->lines-1], q, len);
	    if (!*p || *p=='\r' || *p=='\n') break;
	    while (*p++!=']');
	}
    }
    return current;
}

subtitle *sub_read_line_third(FILE *fd,subtitle *current) {
    char line[1001];
    int a1,a2,a3,a4,b1,b2,b3,b4;
    char *p=NULL;
    int i,len;
    
    bzero (current, sizeof(current));
    
    while (!current->text[0]) {
	if (!fgets (line, 1000, fd)) return NULL;
	if ((len=sscanf (line, "%i:%i:%i,%i --> %i:%i:%i,%i",&a1,&a2,&a3,&a4,&b1,&b2,&b3,&b4)) < 8)
	    continue;
	current->start = a1*360000+a2*6000+a3*100+a4/10;
	current->end   = b1*360000+b2*6000+b3*100+b4/10;
	for (i=0; i<SUB_MAX_TEXT;) {
	    if (!fgets (line, 1000, fd)) return NULL;
	    len=0;
	    for (p=line; *p!='\n' && *p!='\r' && *p; p++,len++);
	    if (len) {
		current->text[i]=(char *)malloc (len+1);
		if (!current->text[i]) return ERR;
		strncpy (current->text[i], line, len);
		i++;
	    } else {
		break;
	    }
	}
	current->lines=i;
    }
    return current;
}


int sub_autodetect (FILE *fd) {
    char line[1001];
    int i,j=0;
//    char *p;
    
    while (1) {
	j++;
	if (!fgets (line, 1000, fd))
	    return -1;

//	if (sscanf (line, "{%i}{%i}", &i, &i, p)==2) // ha valaki tudja miert 2, mondja mar el nekem ;)
	if (sscanf (line, "{%i}{%i}", &i, &i)==2) // ha valaki tudja miert 2, mondja mar el nekem ;)
		{sub_uses_time=0;return 0;}
	if (sscanf (line, "%i:%i:%i.%i,%i:%i:%i.%i",     &i, &i, &i, &i, &i, &i, &i, &i)==8)
		{sub_uses_time=1;return 1;}
	if (sscanf (line, "%i:%i:%i,%i --> %i:%i:%i,%i", &i, &i, &i, &i, &i, &i, &i, &i)==8)
		{sub_uses_time=1;return 2;}
	if (j>100) return -1;  // too many bad lines or bad coder
    }
}


subtitle* sub_read_file (char *filename) {
    FILE *fd;
    int n_max;
    subtitle *first;
    subtitle * (*func[3])(FILE *fd,subtitle *dest)=
    {
	    sub_read_line_microdvd,
	    sub_read_line_subrip,
	    sub_read_line_third
    };

    fd=fopen (filename, "r"); if (!fd) return NULL;

    sub_format=sub_autodetect (fd);
    if (sub_format==-1) {printf ("SUB: Could not determine file format\n");return NULL;}
    printf ("SUB: Detected subtitle file format: %i\n",sub_format);
    
    rewind (fd);

    sub_num=0;n_max=32;
    first=(subtitle *)malloc(n_max*sizeof(subtitle));
    if(!first) return NULL;
    
    while(1){
        subtitle *sub;
        if(sub_num>=n_max){
            n_max+=16;
            first=realloc(first,n_max*sizeof(subtitle));
        }
        sub=func[sub_format](fd,&first[sub_num]);
        if(!sub) break;   // EOF
        if(sub==ERR) ++sub_errs; else ++sub_num; // Error vs. Valid
    }
    
    fclose(fd);

//    printf ("SUB: Subtitle format %s time.\n", sub_uses_time?"uses":"doesn't use");
    printf ("SUB: Read %i subtitles, %i errors.\n", sub_num, sub_errs);

    return first;
}

#if 0
int main(int argc, char **argv) {  // for testing

    int i,j;
    subtitle *subs;
    subtitle *egysub;
    
    if(argc<2){
        printf("\nUsage: subreader filename.sub\n\n");
        exit(1);
    }
    
    subs=sub_get_subtitles(argv[1]);
    if(!subs){
        printf("Couldn't load file... let's write a bugreport :)\n");
        exit(1);
    }

    for(j=0;j<sub_num;j++){
	egysub=&subs[j];
        printf ("%i line%c (%i-%i) ",
		    egysub->lines,
		    (1==egysub->lines)?' ':'s',
		    egysub->start,
		    egysub->end);
	for (i=0; i<egysub->lines; i++) {
	    printf ("%s%s",egysub->text[i], i==egysub->lines-1?"":" <BREAK> ");
	}
	printf ("\n");
    }

    printf ("Subtitle format %s time.\n", sub_uses_time?"uses":"doesn't use");
    printf ("Read %i subtitles, %i errors.\n", sub_num, sub_errs);
    return 0;
}
#endif

--- NEW FILE ---

extern int sub_uses_time;
extern int sub_errs;
extern int sub_num;         // number of subtitle structs
extern int sub_format;     // 0 for microdvd, 1 for SubRip, 2 for the third format

#define SUB_MAX_TEXT 5

typedef struct {

    int lines;

    unsigned long start;
    unsigned long end;
    
    char *text[SUB_MAX_TEXT];
} subtitle;

subtitle* sub_read_file (char *filename);

Index: mplayer.c
===================================================================
RCS file: /cvsroot/mplayer/main/mplayer.c,v
retrieving revision 1.32
retrieving revision 1.33
diff -C2 -r1.32 -r1.33
*** mplayer.c	2001/03/28 22:45:57	1.32
--- mplayer.c	2001/03/30 03:07:45	1.33
***************
*** 38,41 ****
--- 38,43 ----
  #include "cfg-mplayer-def.h"
  
+ #include "subreader.h"
+ 
  #include "libvo/video_out.h"
  #include "libvo/sub.h"
***************
*** 95,98 ****
--- 97,134 ----
  static int verbose=0;
  
+ //**************************************************************************//
+ //             .SUB 
+ //**************************************************************************//
+ 
+ static current_sub=0;
+ 
+ static subtitle* subtitles=NULL;
+ 
+ void find_sub(unsigned long key){
+     int i,j;
+     if(current_sub<0 || current_sub>=sub_num) current_sub=0;
+     vo_sub=&subtitles[current_sub];
+     if(key>=vo_sub->start && key<=vo_sub->end) return; // OK!
+     // use logarithmic search:
+     i=0;j=sub_num-1;
+ //    printf("Searching %d in %d..%d\n",key,subtitles[i].start,subtitles[j].end);
+     while(j>=i){
+         current_sub=(i+j+1)/2;
+         if(key<subtitles[current_sub].start)
+             j=current_sub-1;
+         else
+         if(key>subtitles[current_sub].end)
+             i=current_sub+1;
+         else break; // found!
+     }
+     vo_sub=&subtitles[current_sub];
+     if(key>=vo_sub->start && key<=vo_sub->end) return; // OK!
+     vo_sub=NULL; // no sub here
+ }
+ 
+ //**************************************************************************//
+ //             Config file
+ //**************************************************************************//
+ 
  static int cfg_inc_verbose(struct config *conf){
      ++verbose;
***************
*** 419,422 ****
--- 455,461 ----
  char *font_name=NULL;
  float font_factor=0.75;
+ char *sub_name=NULL;
+ float sub_delay=0;
+ float sub_fps=0;
  #include "cfg-mplayer.h"
  
***************
*** 473,476 ****
--- 512,525 ----
    }
  
+ // check .sub
+   if(sub_name){
+        subtitles=sub_read_file(sub_name);
+        if(!subtitles) printf("Can't load subtitles: %s\n",font_name);
+   } else {
+       // try default:
+        subtitles=sub_read_file(get_path("default.sub"));
+   }
+ 
+ 
  // check video_out driver name:
    if(!video_driver)
***************
*** 2311,2314 ****
--- 2360,2369 ----
  //  for(i=1;i<=11;i++) osd_text_buffer[10+i]=i;osd_text_buffer[10+i]=0;
    vo_osd_text=osd_text_buffer;
+   
+   // find sub
+   if(subtitles){
+       if(sub_fps==0) sub_fps=default_fps;
+       find_sub(sub_uses_time?(100*(v_pts+sub_delay)):((v_pts+sub_delay)*sub_fps)); // FIXME! frame counter...
+   }
  }
  

Index: cfg-mplayer.h
===================================================================
RCS file: /cvsroot/mplayer/main/cfg-mplayer.h,v
retrieving revision 1.10
retrieving revision 1.11
diff -C2 -r1.10 -r1.11
*** cfg-mplayer.h	2001/03/28 12:08:44	1.10
--- cfg-mplayer.h	2001/03/30 03:07:45	1.11
***************
*** 14,17 ****
--- 14,20 ----
  #endif
  	{"encode", &encode_name, CONF_TYPE_STRING, 0, 0, 0},
+ 	{"sub", &sub_name, CONF_TYPE_STRING, 0, 0, 0},
+ 	{"subdelay", &sub_delay, CONF_TYPE_FLOAT, 0, 0.0, 10.0},
+ 	{"subfps", &sub_fps, CONF_TYPE_FLOAT, 0, 0.0, 10.0},
  	{"font", &font_name, CONF_TYPE_STRING, 0, 0, 0},
  	{"ffactor", &font_factor, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 10.0},


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