summaryrefslogtreecommitdiffstats
path: root/subreader.c
diff options
context:
space:
mode:
authorarpi_esp <arpi_esp@b3059339-0415-0410-9bf9-f77b7e298cf2>2001-03-30 03:07:45 +0000
committerarpi_esp <arpi_esp@b3059339-0415-0410-9bf9-f77b7e298cf2>2001-03-30 03:07:45 +0000
commit9b92dd3a1d605ac06cb35ee05a1ecd067f1236e5 (patch)
treecdb58d77ba49f382cb976b2ba74ae24e80b05b0b /subreader.c
parent7180aab679c696c75a75939034789645d15da0b2 (diff)
downloadmpv-9b92dd3a1d605ac06cb35ee05a1ecd067f1236e5.tar.bz2
mpv-9b92dd3a1d605ac06cb35ee05a1ecd067f1236e5.tar.xz
subtitles (.sub files) support
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@259 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'subreader.c')
-rw-r--r--subreader.c235
1 files changed, 235 insertions, 0 deletions
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 <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