From f7b2fd87c8fd9e0e52f6e31ecbf0bb7c5f1f8297 Mon Sep 17 00:00:00 2001
From: Guenter Bartsch <guenter@users.sourceforge.net>
Date: Sat, 1 Dec 2001 22:38:31 +0000
Subject: add avi subtitle decoder (based on mplayer code), minor cleanups,
 removed register_empty function from configfile (undocumented and doesn't
 make sense)

CVS patchset: 1153
CVS date: 2001/12/01 22:38:31
---
 src/libsputext/xine_decoder.c | 914 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 914 insertions(+)
 create mode 100644 src/libsputext/xine_decoder.c

(limited to 'src/libsputext/xine_decoder.c')

diff --git a/src/libsputext/xine_decoder.c b/src/libsputext/xine_decoder.c
new file mode 100644
index 000000000..73e8b7770
--- /dev/null
+++ b/src/libsputext/xine_decoder.c
@@ -0,0 +1,914 @@
+/*
+ * Copyright (C) 2000-2001 the xine project
+ * 
+ * This file is part of xine, a unix video player.
+ * 
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * xine is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ * $Id: xine_decoder.c,v 1.1 2001/12/01 22:38:32 guenter Exp $
+ *
+ * code based on mplayer module:
+ *
+ * Subtitle reader with format autodetection
+ *
+ * Written by laaz
+ * Some code cleanup & realloc() by A'rpi/ESP-team
+ * dunnowhat sub format by szabi
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <ctype.h>
+
+#include "buffer.h"
+#include "events.h"
+#include "xine_internal.h"
+#include "xineutils.h"
+#include "osd.h"
+
+/*
+#define LOG_DEBUG 1
+*/
+
+#define ERR (void *)-1
+
+#define SUB_MAX_TEXT 5
+
+typedef struct {
+
+  int lines;
+
+  unsigned long start;
+  unsigned long end;
+    
+  char *text[SUB_MAX_TEXT];
+
+  osd_object_t *osd;
+
+} subtitle_t;
+
+
+typedef struct sputext_decoder_s {
+  spu_decoder_t      spu_decoder;
+
+  xine_t            *xine;
+
+  vo_instance_t     *vo_out;
+  int                output_open;
+
+  FILE              *fd;
+
+  float              mpsub_position;  
+  
+  int                uses_time;  
+  int                errs;  
+  subtitle_t        *subtitles;
+  int                num;            /* number of subtitle structs */
+  int                format;         /* constants see below */     
+  subtitle_t        *previous_aqt_sub ;
+
+  osd_object_t      *osd;
+
+  /* thread */
+  int                running;
+  pthread_t          spu_thread;
+
+} sputext_decoder_t;
+
+#define FORMAT_MICRODVD  0
+#define FORMAT_SUBRIP    1
+#define FORMAT_SUBVIEWER 2
+#define FORMAT_SAMI      3
+#define FORMAT_VPLAYER   4
+#define FORMAT_RT        5
+#define FORMAT_SSA       6 /* Sub Station Alpha */
+#define FORMAT_DUNNO     7 /*... erm ... dunnowhat. tell me if you know */
+#define FORMAT_MPSUB     8 
+#define FORMAT_AQTITLE   9 
+
+static int eol(char p) {
+  return (p=='\r' || p=='\n' || p=='\0');
+}
+
+static inline void trail_space(char *s) {
+  int i;
+  while (isspace(*s)) 
+    strcpy(s, s + 1);
+  i = strlen(s) - 1;
+  while (i > 0 && isspace(s[i])) 
+    s[i--] = '\0';
+}
+
+
+static subtitle_t *sub_read_line_sami(sputext_decoder_t *this, subtitle_t *current) {
+
+  static char line[1001];
+  static char *s = NULL;
+  char text[1000], *p, *q;
+  int state;
+
+  p = NULL;
+  current->lines = current->start = current->end = 0;
+  state = 0;
+  
+  /* read the first line */
+  if (!s)
+    if (!(s = fgets(line, 1000, this->fd))) return 0;
+  
+  do {
+    switch (state) {
+      
+    case 0: /* find "START=" */
+      s = strstr (s, "Start=");
+      if (s) {
+	current->start = strtol (s + 6, &s, 0) / 10;
+	state = 1; continue;
+      }
+      break;
+      
+    case 1: /* find "<P" */
+      if ((s = strstr (s, "<P"))) { s += 2; state = 2; continue; }
+      break;
+      
+    case 2: /* find ">" */
+      if ((s = strchr (s, '>'))) { s++; state = 3; p = text; continue; }
+      break;
+      
+    case 3: /* get all text until '<' appears */
+      if (*s == '\0') { break; }
+      else if (*s == '<') { state = 4; }
+      else if (!strncasecmp (s, "&nbsp;", 6)) { *p++ = ' '; s += 6; }
+      else if (*s == '\r') { s++; }
+      else if (!strncasecmp (s, "<br>", 4) || *s == '\n') {
+	*p = '\0'; p = text; trail_space (text);
+	if (text[0] != '\0')
+	  current->text[current->lines++] = strdup (text);
+	if (*s == '\n') s++; else s += 4;
+      }
+      else *p++ = *s++;
+      continue;
+      
+    case 4: /* get current->end or skip <TAG> */
+      q = strstr (s, "Start=");
+      if (q) {
+	current->end = strtol (q + 6, &q, 0) / 10 - 1;
+	*p = '\0'; trail_space (text);
+	if (text[0] != '\0')
+	  current->text[current->lines++] = strdup (text);
+	if (current->lines > 0) { state = 99; break; }
+	state = 0; continue;
+      }
+      s = strchr (s, '>');
+      if (s) { s++; state = 3; continue; }
+      break;
+    }
+    
+    /* read next line */
+    if (state != 99 && !(s = fgets (line, 1000, this->fd))) 
+      return 0;
+    
+  } while (state != 99);
+  
+  return current;
+}
+
+
+static char *sub_readtext(char *source, char **dest) {
+  int len=0;
+  char *p=source;
+  
+  while ( !eol(*p) && *p!= '|' ) {
+    p++,len++;
+  }
+  
+  *dest= (char *)xine_xmalloc (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     */
+}
+
+static subtitle_t *sub_read_line_microdvd(sputext_decoder_t *this, subtitle_t *current) {
+
+  char line[1001];
+  char line2[1001];
+  char *p, *next;
+  int i;
+  
+  bzero (current, sizeof(subtitle_t));
+  
+  do {
+    if (!fgets (line, 1000, this->fd)) return NULL;
+  } while (sscanf (line, "{%ld}{%ld}%[^\r\n]", &(current->start), &(current->end),line2) <3);
+  
+  p=line2;
+  
+  next=p, i=0;
+  while ((next =sub_readtext (next, &(current->text[i])))) {
+    if (current->text[i]==ERR) return ERR;
+    i++;
+    if (i>=SUB_MAX_TEXT) { 
+      printf ("Too many lines in a subtitle\n");
+      current->lines=i;
+      return current;
+    }
+  }
+  current->lines= ++i;
+  
+  return current;
+}
+
+static subtitle_t *sub_read_line_subrip(sputext_decoder_t *this, subtitle_t *current) {
+
+  char line[1001];
+  int a1,a2,a3,a4,b1,b2,b3,b4;
+  char *p=NULL, *q=NULL;
+  int len;
+  
+  bzero (current, sizeof(subtitle_t));
+  
+  while (1) {
+    if (!fgets (line, 1000, this->fd)) return NULL;
+    if (sscanf (line, "%d:%d:%d.%d,%d:%d:%d.%d",&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, this->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 *)xine_xmalloc (len+1);
+      if (!current->text[current->lines-1]) return ERR;
+      strncpy (current->text[current->lines-1], q, len);
+      current->text[current->lines-1][len]='\0';
+      if (!*p || *p=='\r' || *p=='\n') break;
+      while (*p++!=']');
+    }
+    break;
+  }
+  return current;
+}
+
+static subtitle_t *sub_read_line_third(sputext_decoder_t *this,subtitle_t *current) {
+  char line[1001];
+  int a1,a2,a3,a4,b1,b2,b3,b4;
+  char *p=NULL;
+  int i,len;
+  
+  bzero (current, sizeof(subtitle_t));
+  
+  while (!current->text[0]) {
+    if (!fgets (line, 1000, this->fd)) return NULL;
+    if ((len=sscanf (line, "%d:%d:%d,%d --> %d:%d:%d,%d",&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, this->fd)) break;
+      len=0;
+      for (p=line; *p!='\n' && *p!='\r' && *p; p++,len++);
+      if (len) {
+	current->text[i]=(char *)xine_xmalloc (len+1);
+	if (!current->text[i]) return ERR;
+	strncpy (current->text[i], line, len); current->text[i][len]='\0';
+	i++;
+      } else {
+	break;
+      }
+    }
+    current->lines=i;
+  }
+  return current;
+}
+
+static subtitle_t *sub_read_line_vplayer(sputext_decoder_t *this,subtitle_t *current) {
+  char line[1001];
+  char line2[1001];
+  int a1,a2,a3,b1,b2,b3;
+  char *p=NULL, *next;
+  int i,len,len2,plen;
+  
+  bzero (current, sizeof(subtitle_t));
+  
+  while (!current->text[0]) {
+    if (!fgets (line, 1000, this->fd)) return NULL;
+    if ((len=sscanf (line, "%d:%d:%d:%n",&a1,&a2,&a3,&plen)) < 3)
+      continue;
+    if (!fgets (line2, 1000, this->fd)) return NULL;
+    if ((len2=sscanf (line2, "%d:%d:%d:",&b1,&b2,&b3)) < 3)
+      continue;
+    /* przewiń o linijkę do tyłu: */
+    fseek(this->fd,-strlen(line2),SEEK_CUR);
+    
+    current->start = a1*360000+a2*6000+a3*100;
+    current->end   = b1*360000+b2*6000+b3*100;
+    if ((current->end - current->start) > 1000) 
+      current->end = current->start + 1000; /* not too long though.  */
+    /* teraz czas na wkopiowanie stringu */
+    p=line;	
+    /* finds the body of the subtitle_t */
+    for (i=0; i<3; i++){              
+      p=strchr(p,':')+1;
+    } 
+    i=0;
+    
+    if (*p!='|') {
+      next = p,i=0;
+      while ((next =sub_readtext (next, &(current->text[i])))) {
+	if (current->text[i]==ERR) 
+	  return ERR;
+	i++;
+	if (i>=SUB_MAX_TEXT) { 
+	  printf ("Too many lines in a subtitle\n");
+	  current->lines=i;
+	  return current;
+	}
+      }
+      current->lines=i+1;
+    }
+  }
+  return current;
+}
+
+static subtitle_t *sub_read_line_rt(sputext_decoder_t *this,subtitle_t *current) {
+  /*
+   * TODO: This format uses quite rich (sub/super)set of xhtml 
+   * I couldn't check it since DTD is not included.
+   * WARNING: full XML parses can be required for proper parsing 
+   */
+  char line[1001];
+  int a1,a2,a3,a4,b1,b2,b3,b4;
+  char *p=NULL,*next=NULL;
+  int i,len,plen;
+  
+  bzero (current, sizeof(subtitle_t));
+  
+  while (!current->text[0]) {
+    if (!fgets (line, 1000, this->fd)) return NULL;
+    /*
+     * TODO: it seems that format of time is not easily determined, it may be 1:12, 1:12.0 or 0:1:12.0
+     * to describe the same moment in time. Maybe there are even more formats in use.
+     */
+    if ((len=sscanf (line, "<Time Begin=\"%d:%d:%d.%d\" End=\"%d:%d:%d.%d\"",&a1,&a2,&a3,&a4,&b1,&b2,&b3,&b4)) < 8)
+     
+      plen=a1=a2=a3=a4=b1=b2=b3=b4=0;
+    if (
+	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d\" %*[Ee]nd=\"%d:%d\"%*[^<]<clear/>%n",&a2,&a3,&b2,&b3,&plen)) < 4) &&
+	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d\" %*[Ee]nd=\"%d:%d.%d\"%*[^<]<clear/>%n",&a2,&a3,&b2,&b3,&b4,&plen)) < 5) &&
+	/*	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d.%d\" %*[Ee]nd=\"%d:%d\"%*[^<]<clear/>%n",&a2,&a3,&a4,&b2,&b3,&plen)) < 5) && */
+	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d.%d\" %*[Ee]nd=\"%d:%d.%d\"%*[^<]<clear/>%n",&a2,&a3,&a4,&b2,&b3,&b4,&plen)) < 6) &&
+	((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d:%d.%d\" %*[Ee]nd=\"%d:%d:%d.%d\"%*[^<]<clear/>%n",&a1,&a2,&a3,&a4,&b1,&b2,&b3,&b4,&plen)) < 8) 
+	)
+      continue;
+    current->start = a1*360000+a2*6000+a3*100+a4/10;
+    current->end   = b1*360000+b2*6000+b3*100+b4/10;
+    p=line;	p+=plen;i=0;
+    /* TODO: I don't know what kind of convention is here for marking multiline subs, maybe <br/> like in xml? */
+    next = strstr(line,"<clear/>")+8;i=0;
+    while ((next =sub_readtext (next, &(current->text[i])))) {
+      if (current->text[i]==ERR) 
+	return ERR;
+      i++;
+      if (i>=SUB_MAX_TEXT) { 
+	printf ("Too many lines in a subtitle\n");
+	current->lines=i;
+	return current;
+      }
+    }
+    current->lines=i+1;
+  }
+  return current;
+}
+
+static subtitle_t *sub_read_line_ssa(sputext_decoder_t *this,subtitle_t *current) {
+
+  int hour1, min1, sec1, hunsec1,
+    hour2, min2, sec2, hunsec2, nothing;
+  int num;
+  
+  char line[1000],
+    line3[1000],
+    *line2;
+  char *tmp;
+  
+  do {
+    if (!fgets (line, 1000, this->fd)) 
+      return NULL;
+  } while (sscanf (line, "Dialogue: Marked=%d,%d:%d:%d.%d,%d:%d:%d.%d,"
+		   "%[^\n\r]", &nothing,
+		   &hour1, &min1, &sec1, &hunsec1, 
+		   &hour2, &min2, &sec2, &hunsec2,
+		   line3) < 9);
+  line2=strstr(line3,",,");
+  if (!line2) return NULL;
+  line2 ++;
+  line2 ++;
+
+  current->lines=1;num=0;
+  current->start = 360000*hour1 + 6000*min1 + 100*sec1 + hunsec1;
+  current->end   = 360000*hour2 + 6000*min2 + 100*sec2 + hunsec2;
+  
+  while ( (tmp=strstr(line2, "\\n")) ) {
+    current->text[num]=(char *)xine_xmalloc(tmp-line2+1);
+    strncpy (current->text[num], line2, tmp-line2);
+    current->text[num][tmp-line2]='\0';
+    line2=tmp+2;
+    num++;
+    current->lines++;
+    if (current->lines >=  SUB_MAX_TEXT) return current;
+  }
+  
+  
+  current->text[num]=(char *) xine_xmalloc(strlen(line2)+1);
+  strcpy(current->text[num],line2);
+  
+  return current;
+}
+
+static subtitle_t *sub_read_line_dunnowhat (sputext_decoder_t *this, subtitle_t *current) {
+  char line[1001];
+  char text[1001];
+  
+  bzero (current, sizeof(subtitle_t));
+  
+  if (!fgets (line, 1000, this->fd))
+    return NULL;
+  if (sscanf (line, "%ld,%ld,\"%[^\"]", &(current->start),
+	      &(current->end), text) <3)
+    return ERR;
+  current->text[0] = strdup(text);
+  current->lines = 1;
+  
+  return current;
+}
+
+static subtitle_t *sub_read_line_mpsub (sputext_decoder_t *this, subtitle_t *current) {
+  char line[1000];
+  float a,b;
+  int num=0;
+  char *p, *q;
+  
+  do {
+    if (!fgets(line, 1000, this->fd)) 
+      return NULL;
+  } while (sscanf (line, "%f %f", &a, &b) !=2);
+
+  this->mpsub_position += (a*100.0);
+  current->start = (int) this->mpsub_position;
+  this->mpsub_position += (b*100.0);
+  current->end = (int) this->mpsub_position;
+  
+  while (num < SUB_MAX_TEXT) {
+    if (!fgets (line, 1000, this->fd)) 
+      return NULL;
+
+    p=line;
+    while (isspace(*p)) 
+      p++;
+
+    if (eol(*p) && num > 0) 
+      return current;
+
+    if (eol(*p)) 
+      return NULL;
+    
+    for (q=p; !eol(*q); q++);
+    *q='\0';
+    if (strlen(p)) {
+      current->text[num]=strdup(p);
+      printf (">%s<\n",p);
+      current->lines = ++num;
+    } else {
+      if (num) 
+	return current;
+      else 
+	return NULL;
+    }
+  }
+
+  return NULL;
+}
+
+static subtitle_t *sub_read_line_aqt (sputext_decoder_t *this, subtitle_t *current) {
+  char line[1001];
+
+  bzero (current, sizeof(subtitle_t));
+
+  while (1) {
+    /* try to locate next subtitle_t */
+    if (!fgets (line, 1000, this->fd))
+      return NULL;
+    if (!(sscanf (line, "-->> %ld", &(current->start)) <1))
+      break;
+  }
+  
+  if (this->previous_aqt_sub != NULL) 
+    this->previous_aqt_sub->end = current->start-1;
+  
+  this->previous_aqt_sub = current;
+  
+  if (!fgets (line, 1000, this->fd))
+    return NULL;
+  
+  sub_readtext((char *) &line,&current->text[0]);
+  current->lines = 1;
+  current->end = current->start; /* will be corrected by next subtitle_t */
+  
+  if (!fgets (line, 1000, this->fd))
+    return current;;
+  
+  sub_readtext((char *) &line,&current->text[1]);
+  current->lines = 2;
+  
+  if ((current->text[0]=="") && (current->text[1]=="")) {
+    /* void subtitle -> end of previous marked and exit */
+    this->previous_aqt_sub = NULL;
+    return NULL;
+  }
+  
+  return current;
+}
+
+static int sub_autodetect (sputext_decoder_t *this) {
+
+  char line[1001];
+  int i,j=0;
+  char p;
+  
+  while (j < 100) {
+    j++;
+    if (!fgets (line, 1000, this->fd))
+      return -1;
+    
+    if (sscanf (line, "{%d}{%d}", &i, &i)==2) {
+      this->uses_time=0;
+      printf ("sputext: microdvd subtitle format detected\n");
+      return FORMAT_MICRODVD;
+    }
+
+    if (sscanf (line, "%d:%d:%d.%d,%d:%d:%d.%d",     &i, &i, &i, &i, &i, &i, &i, &i)==8){
+      this->uses_time=1;
+      printf ("sputext: subrip subtitle format detected\n");
+      return FORMAT_SUBRIP;
+    }
+
+    if (sscanf (line, "%d:%d:%d,%d --> %d:%d:%d,%d", &i, &i, &i, &i, &i, &i, &i, &i)==8) {
+      this->uses_time=1;
+      printf ("sputext: subviewer subtitle format detected\n");
+      return FORMAT_SUBVIEWER;
+    }
+    if (strstr (line, "<SAMI>")) {
+      this->uses_time=1; 
+      printf ("sputext: sami subtitle format detected\n");
+      return FORMAT_SAMI;
+    }
+    if (sscanf (line, "%d:%d:%d:",     &i, &i, &i )==3) {
+      this->uses_time=1;
+      printf ("sputext: vplayer subtitle format detected\n");
+      return FORMAT_VPLAYER;
+    }
+    /*
+     * TODO: just checking if first line of sub starts with "<" is WAY
+     * too weak test for RT
+     * Please someone who knows the format of RT... FIX IT!!!
+     * It may conflict with other sub formats in the future (actually it doesn't)
+     */
+    if ( *line == '<' ) {
+      this->uses_time=1;
+      printf ("sputext: rt subtitle format detected\n");
+      return FORMAT_RT;
+    }
+    if (!memcmp(line, "Dialogue: Marked", 16)){
+      this->uses_time=1; 
+      printf ("sputext: ssa subtitle format detected\n");
+      return FORMAT_SSA;
+    }
+    if (sscanf (line, "%d,%d,\"%c", &i, &i, (char *) &i) == 3) {
+      this->uses_time=0;
+      printf ("sputext: (dunno) subtitle format detected\n");
+      return FORMAT_DUNNO;
+    }
+    if (sscanf (line, "FORMAT=%d", &i) == 1) {
+      this->uses_time=0; 
+      printf ("sputext: mpsub subtitle format detected\n");
+      return FORMAT_MPSUB;
+    }
+    if (sscanf (line, "FORMAT=TIM%c", &p)==1 && p=='E') {
+      this->uses_time=1; 
+      printf ("sputext: mpsub subtitle format detected\n");
+      return FORMAT_MPSUB;
+    }
+    if (strstr (line, "-->>")) {
+      this->uses_time=0; 
+      printf ("sputext: aqtitle subtitle format detected\n");
+      return FORMAT_AQTITLE;
+    }
+  }
+  
+  return -1;  /* too many bad lines */
+}
+
+static subtitle_t *sub_read_file (sputext_decoder_t *this) {
+
+  int n_max;
+  subtitle_t *first;
+  subtitle_t * (*func[])(sputext_decoder_t *this,subtitle_t *dest)=
+  {
+    sub_read_line_microdvd,
+    sub_read_line_subrip,
+    sub_read_line_third,
+    sub_read_line_sami,
+    sub_read_line_vplayer,
+    sub_read_line_rt,
+    sub_read_line_ssa,
+    sub_read_line_dunnowhat,
+    sub_read_line_mpsub,
+    sub_read_line_aqt
+    
+  };
+
+  this->format=sub_autodetect (this);
+  if (this->format==-1) {
+    printf ("sputext: Could not determine file format\n");
+    return NULL;
+  }
+
+  printf ("sputext: Detected subtitle file format: %d\n",this->format);
+    
+  rewind (this->fd);
+
+  this->num=0;n_max=32;
+  first = (subtitle_t *) xine_xmalloc(n_max*sizeof(subtitle_t));
+  if(!first) return NULL;
+    
+  while(1){
+    subtitle_t *sub;
+    if(this->num>=n_max){
+      n_max+=16;
+      first=realloc(first,n_max*sizeof(subtitle_t));
+    }
+    sub = func[this->format] (this, &first[this->num]);
+    if (!sub) 
+      break;   /* EOF */
+
+    if (sub==ERR) 
+      ++this->errs; 
+    else {
+      ++this->num; /* Error vs. Valid */
+
+    }
+  }
+
+  printf ("sputext: Read %i subtitles", this->num);
+  if (this->errs) 
+    printf (", %i bad line(s).\n", this->errs);
+  else 	  
+    printf (".\n");
+  
+  return first;
+}
+
+
+static void list_sub_file (sputext_decoder_t *this, subtitle_t* subs) {
+
+  int i,j;
+
+  for(j=0;j<this->num;j++){
+    subtitle_t* egysub=&subs[j];
+    printf ("%i line%c (%li-%li) ",
+	    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", this->uses_time?"uses":"doesn't use");
+  printf ("Read %i subtitles, %i errors.\n", this->num, this->errs);
+  
+}
+
+static int spudec_can_handle (spu_decoder_t *this_gen, int buf_type) {
+  int type = buf_type & 0xFFFF0000;
+  return (type == BUF_SPU_TEXT); 
+}
+
+
+
+static void spudec_init (spu_decoder_t *this_gen, vo_instance_t *vo_out) {
+
+  sputext_decoder_t *this = (sputext_decoder_t *) this_gen;
+
+  this->vo_out             = vo_out;
+  this->output_open        = 0;
+
+  this->mpsub_position     = 0;
+  this->uses_time          = 0;
+  this->errs               = 0;
+  this->num                = 0;
+  this->format             = 0;
+  this->previous_aqt_sub   = NULL;
+
+  this->osd = osd_open (this->xine->osd_renderer, 500, 100);
+
+  osd_set_font (this->osd,"vga");
+  osd_render_text (this->osd, 0, 0, "sputext decoder");
+  osd_set_position (this->osd, 10, 30);
+    
+  osd_show (this->osd, 0);
+  osd_hide (this->osd, 300000);      
+
+}
+
+#define PTS_FACTOR 9000
+
+static void *spudec_loop (void *this_gen) {
+
+  sputext_decoder_t *this = (sputext_decoder_t *) this_gen;
+
+  struct timespec   tenth_second;
+  subtitle_t       *current;
+  int               count;
+  int32_t           pts_factor;
+
+  tenth_second.tv_sec = 0;
+  tenth_second.tv_nsec = 100000000;
+
+  /* wait two seconds so metronom can determine the correct frame rate */
+  
+  for (count = 0; count<20; count++)
+    nanosleep (&tenth_second, NULL);
+
+  current = this->subtitles;
+   
+  count = 0;
+
+  while (current && this->running) {
+
+    int32_t diff, sub_pts, wrap_offset, pts;
+
+    pts = this->xine->metronom->get_current_time (this->xine->metronom);
+
+    if (this->uses_time)
+      pts_factor = 9000;
+    else
+      pts_factor = this->xine->metronom->get_video_rate (this->xine->metronom);
+
+#ifdef LOG
+    printf ("pts_factor : %d\n", pts_factor);
+#endif
+
+    if (!pts_factor) {
+      nanosleep (&tenth_second, NULL);
+      continue;
+    }
+    
+    sub_pts = (current->start * pts_factor) + this->xine->metronom->video_wrap_offset;
+
+    diff = sub_pts - pts ;
+
+    if (diff < 0) {
+
+#ifdef LOG
+      printf ("sputext: current is '%s' - too old start time %d, diff %d\n",
+	      current->text[0], sub_pts, diff );
+#endif
+
+      current++; count++;
+      if (count >= this->num)
+	current = NULL;
+
+      continue;
+
+    }
+
+#ifdef LOG
+    printf ("sputext: current is '%s' (actually %d lines), start time %d, diff %d\n",
+	    current->text[0], current->lines, sub_pts, diff);
+#endif
+
+    if (diff < 30000) {
+
+      int line;
+
+      osd_filled_rect (this->osd, 0, 0, 499, 99, 0);
+
+      for (line=0; line<current->lines; line++)
+	osd_render_text (this->osd, 0, line*20, current->text[line]);
+      
+      osd_show (this->osd, sub_pts);
+      osd_hide (this->osd, current->end * pts_factor + this->xine->metronom->video_wrap_offset);      
+
+      current++; count++;
+      if (count >= this->num)
+	current = NULL;
+
+    }
+
+    nanosleep (&tenth_second, NULL);
+  }
+
+  printf ("sputext: thread finished\n");
+
+  pthread_exit (NULL);
+
+  return NULL;
+}
+
+static void spudec_decode_data (spu_decoder_t *this_gen, buf_element_t *buf) {
+
+  sputext_decoder_t *this = (sputext_decoder_t *) this_gen;
+  int err;
+
+  this->fd = (FILE *) buf->content;
+  
+  this->subtitles = sub_read_file (this);
+
+  printf ("sputext: subtitle format %s time.\n", this->uses_time?"uses":"doesn't use");
+  printf ("sputext: read %i subtitles, %i errors.\n", this->num, this->errs);
+
+  /* start thread */
+
+  this->running = 1;
+
+  if ((err = pthread_create (&this->spu_thread,
+			     NULL, spudec_loop, this)) != 0) {
+    printf ("sputext: can't create new thread (%s)\n",
+	    strerror(err));
+    exit (1);
+  }
+
+}  
+
+
+static void spudec_close (spu_decoder_t *this_gen) {
+  sputext_decoder_t *this = (sputext_decoder_t *) this_gen;
+  void *p;
+
+  printf ("sputext: stopping thread...\n");
+
+  this->running = 0;
+
+  pthread_join (this->spu_thread, &p);
+
+  printf ("sputext: ...thread stopped\n");
+}
+
+static char *spudec_get_id(void) {
+  return "sputext";
+}
+
+spu_decoder_t *init_spu_decoder_plugin (int iface_version, xine_t *xine) {
+
+  sputext_decoder_t *this ;
+
+  if (iface_version != 4) {
+    printf("libsputext: doesn't support plugin api version %d.\n"
+	   "libsputext: This means there is a version mismatch between xine and\n"
+	   "libsputext: this plugin.\n", iface_version);
+    return NULL;
+  }
+
+  this = (sputext_decoder_t *) xine_xmalloc (sizeof (sputext_decoder_t));
+
+  this->spu_decoder.interface_version   = 4;
+  this->spu_decoder.can_handle          = spudec_can_handle;
+  this->spu_decoder.init                = spudec_init;
+  this->spu_decoder.decode_data         = spudec_decode_data;
+  this->spu_decoder.close               = spudec_close;
+  this->spu_decoder.get_identifier      = spudec_get_id;
+  this->spu_decoder.priority            = 1;
+
+  this->xine                            = xine;
+  
+  return (spu_decoder_t *) this;
+}
+
-- 
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