From 9b92dd3a1d605ac06cb35ee05a1ecd067f1236e5 Mon Sep 17 00:00:00 2001 From: arpi_esp Date: Fri, 30 Mar 2001 03:07:45 +0000 Subject: subtitles (.sub files) support git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@259 b3059339-0415-0410-9bf9-f77b7e298cf2 --- subreader.c | 235 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 235 insertions(+) create mode 100644 subreader.c (limited to 'subreader.c') diff --git a/subreader.c b/subreader.c new file mode 100644 index 0000000000..8b9a99451b --- /dev/null +++ b/subreader.c @@ -0,0 +1,235 @@ +/* + * Subtitle reader with format autodetection + * Mier nem muxik realloccal!?!?! - nekem muxik :) + * + * Written by laaz + * Some code cleanup & realloc() by A'rpi/ESP-team + */ + + +#include +#include +#include + +#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; itext[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;jlines, + (1==egysub->lines)?' ':'s', + egysub->start, + egysub->end); + for (i=0; ilines; i++) { + printf ("%s%s",egysub->text[i], i==egysub->lines-1?"":" "); + } + 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 -- cgit v1.2.3