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-rw-r--r--src/spu_dec/sputext_demuxer.c1452
1 files changed, 1452 insertions, 0 deletions
diff --git a/src/spu_dec/sputext_demuxer.c b/src/spu_dec/sputext_demuxer.c
new file mode 100644
index 000000000..a8e252c30
--- /dev/null
+++ b/src/spu_dec/sputext_demuxer.c
@@ -0,0 +1,1452 @@
+/*
+ * Copyright (C) 2000-2003 the xine project
+ *
+ * This file is part of xine, a free 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * code based on old libsputext/xine_decoder.c
+ *
+ * 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
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#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>
+
+#define LOG_MODULE "demux_sputext"
+#define LOG_VERBOSE
+/*
+#define LOG
+*/
+
+#include <xine/xine_internal.h>
+#include <xine/xineutils.h>
+#include <xine/demux.h>
+
+#define ERR (void *)-1
+#define SUB_MAX_TEXT 5
+#define SUB_BUFSIZE 1024
+#define LINE_LEN 1000
+#define LINE_LEN_QUOT "1000"
+
+/*
+ * Demuxer typedefs
+ */
+
+typedef struct {
+
+ int lines;
+
+ long start; /* csecs */
+ long end; /* csecs */
+
+ char *text[SUB_MAX_TEXT];
+
+} subtitle_t;
+
+
+typedef struct {
+
+ demux_plugin_t demux_plugin;
+ xine_stream_t *stream;
+ input_plugin_t *input;
+
+ int status;
+
+ char buf[SUB_BUFSIZE];
+ off_t buflen;
+
+ float mpsub_position;
+
+ int uses_time;
+ int errs;
+ subtitle_t *subtitles;
+ int num; /* number of subtitle structs */
+ int cur; /* current subtitle */
+ int format; /* constants see below */
+ char next_line[SUB_BUFSIZE]; /* a buffer for next line read from file */
+
+} demux_sputext_t;
+
+typedef struct demux_sputext_class_s {
+
+ demux_class_t demux_class;
+
+ int max_timeout; /* default timeout of hidding subtitles */
+
+} demux_sputext_class_t;
+
+/*
+ * Demuxer code start
+ */
+
+#define FORMAT_UNKNOWN -1
+#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_PJS 7
+#define FORMAT_MPSUB 8
+#define FORMAT_AQTITLE 9
+#define FORMAT_JACOBSUB 10
+#define FORMAT_SUBVIEWER2 11
+#define FORMAT_SUBRIP09 12
+#define FORMAT_MPL2 13 /*Mplayer sub 2 ?*/
+
+static int eol(char p) {
+ return (p=='\r' || p=='\n' || p=='\0');
+}
+
+static inline void trail_space(char *s) {
+ while (isspace(*s)) {
+ char *copy = s;
+ do {
+ copy[0] = copy[1];
+ copy++;
+ } while(*copy);
+ }
+ size_t i = strlen(s) - 1;
+ while (i > 0 && isspace(s[i]))
+ s[i--] = '\0';
+}
+
+/*
+ * Reimplementation of fgets() using the input->read() method.
+ */
+static char *read_line_from_input(demux_sputext_t *this, char *line, off_t len) {
+ off_t nread = 0;
+ char *s;
+ int linelen;
+
+ if ((len - this->buflen) > 512 && len < SUB_BUFSIZE) {
+ if((nread = this->input->read(this->input,
+ &this->buf[this->buflen], len - this->buflen)) < 0) {
+ xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, "read failed.\n");
+ return NULL;
+ }
+ }
+
+ this->buflen += nread;
+ this->buf[this->buflen] = '\0';
+
+ s = strchr(this->buf, '\n');
+
+ if (line && (s || this->buflen)) {
+
+ linelen = s ? (s - this->buf) + 1 : this->buflen;
+
+ memcpy(line, this->buf, linelen);
+ line[linelen] = '\0';
+
+ memmove(this->buf, &this->buf[linelen], SUB_BUFSIZE - linelen);
+ this->buflen -= linelen;
+
+ return line;
+ }
+
+ return NULL;
+}
+
+
+static subtitle_t *sub_read_line_sami(demux_sputext_t *this, subtitle_t *current) {
+
+ static char line[LINE_LEN + 1];
+ static char *s = NULL;
+ char text[LINE_LEN + 1], *p, *q;
+ int state;
+
+ p = NULL;
+ current->lines = current->start = 0;
+ current->end = -1;
+ state = 0;
+
+ /* read the first line */
+ if (!s)
+ if (!(s = read_line_from_input(this, line, LINE_LEN))) 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 = read_line_from_input (this, line, LINE_LEN)))
+ 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 = strndup(source, len);
+
+ 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(demux_sputext_t *this, subtitle_t *current) {
+
+ char line[LINE_LEN + 1];
+ char line2[LINE_LEN + 1];
+ char *p, *next;
+ int i;
+
+ memset (current, 0, sizeof(subtitle_t));
+
+ current->end=-1;
+ do {
+ if (!read_line_from_input (this, line, LINE_LEN)) return NULL;
+ } while ((sscanf (line, "{%ld}{}%" LINE_LEN_QUOT "[^\r\n]", &(current->start), line2) !=2) &&
+ (sscanf (line, "{%ld}{%ld}%" LINE_LEN_QUOT "[^\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) {
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "Too many lines in a subtitle\n");
+ current->lines=i;
+ return current;
+ }
+ }
+ current->lines= ++i;
+
+ return current;
+}
+
+static subtitle_t *sub_read_line_subviewer(demux_sputext_t *this, subtitle_t *current) {
+
+ char line[LINE_LEN + 1];
+ int a1,a2,a3,a4,b1,b2,b3,b4;
+ char *p=NULL, *q=NULL;
+ int len;
+
+ memset (current, 0, sizeof(subtitle_t));
+
+ while (1) {
+ if (!read_line_from_input(this, line, LINE_LEN)) return NULL;
+ if (sscanf (line, "%d:%d:%d.%d,%d:%d:%d.%d",&a1,&a2,&a3,&a4,&b1,&b2,&b3,&b4) < 8) {
+ 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 (!read_line_from_input(this, line, LINE_LEN))
+ 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' && *p!='|' && strncasecmp(p,"[br]",4); p++,len++);
+ current->text[current->lines-1] = strndup(q, len);
+ if (!current->text[current->lines-1]) return ERR;
+ if (!*p || *p=='\r' || *p=='\n') break;
+ if (*p=='[') while (*p++!=']');
+ if (*p=='|') p++;
+ }
+ if (current->lines > SUB_MAX_TEXT) current->lines = SUB_MAX_TEXT;
+ break;
+ }
+ return current;
+}
+
+static subtitle_t *sub_read_line_subrip(demux_sputext_t *this,subtitle_t *current) {
+ char line[LINE_LEN + 1];
+ int a1,a2,a3,a4,b1,b2,b3,b4;
+ int i,end_sub;
+
+ memset(current,0,sizeof(subtitle_t));
+ do {
+ if(!read_line_from_input(this,line,LINE_LEN))
+ return NULL;
+ i = sscanf(line,"%d:%d:%d%*[,.]%d --> %d:%d:%d%*[,.]%d",&a1,&a2,&a3,&a4,&b1,&b2,&b3,&b4);
+ } while(i < 8);
+ current->start = a1*360000+a2*6000+a3*100+a4/10;
+ current->end = b1*360000+b2*6000+b3*100+b4/10;
+ i=0;
+ end_sub=0;
+ do {
+ char *p; /* pointer to the curently read char */
+ char temp_line[SUB_BUFSIZE]; /* subtitle line that will be transfered to current->text[i] */
+ int temp_index; /* ... and its index wich 'points' to the first EMPTY place -> last read char is at temp_index-1 if temp_index>0 */
+ temp_line[SUB_BUFSIZE-1]='\0'; /* just in case... */
+ if(!read_line_from_input(this,line,LINE_LEN)) {
+ if(i)
+ break; /* if something was read, transmit it */
+ else
+ return NULL; /* if not, repport EOF */
+ }
+ for(temp_index=0,p=line;*p!='\0' && !end_sub && temp_index<SUB_BUFSIZE && i<SUB_MAX_TEXT;p++) {
+ switch(*p) {
+ case '\\':
+ if(*(p+1)=='N' || *(p+1)=='n') {
+ temp_line[temp_index++]='\0'; /* end of curent line */
+ p++;
+ } else
+ temp_line[temp_index++]=*p;
+ break;
+ case '\r': /* just ignore '\r's */
+ break;
+ case '\n':
+ temp_line[temp_index++]='\0';
+ break;
+ default:
+ temp_line[temp_index++]=*p;
+ break;
+ }
+ if(temp_index>0) {
+ if(temp_index==SUB_BUFSIZE)
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "Too many characters in a subtitle line\n");
+ if(temp_line[temp_index-1]=='\0' || temp_index==SUB_BUFSIZE) {
+ if(temp_index>1) { /* more than 1 char (including '\0') -> that is a valid one */
+ /* temp_index<=SUB_BUFSIZE is always true here */
+ current->text[i] = strndup(temp_line, temp_index);
+ if(!current->text[i])
+ return ERR;
+ i++;
+ temp_index=0;
+ } else
+ end_sub=1;
+ }
+ }
+ }
+ } while(i<SUB_MAX_TEXT && !end_sub);
+ if(i>=SUB_MAX_TEXT)
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "Too many lines in a subtitle\n");
+ current->lines=i;
+ return current;
+}
+
+static subtitle_t *sub_read_line_vplayer(demux_sputext_t *this,subtitle_t *current) {
+ char line[LINE_LEN + 1];
+ int a1,a2,a3,b1,b2,b3;
+ char *p=NULL, *next, *p2;
+ int i;
+
+ memset (current, 0, sizeof(subtitle_t));
+
+ while (!current->text[0]) {
+ if( this->next_line[0] == '\0' ) { /* if the buffer is empty.... */
+ if( !read_line_from_input(this, line, LINE_LEN) ) return NULL;
+ } else {
+ /* ... get the current line from buffer. */
+ strncpy( line, this->next_line, LINE_LEN);
+ line[LINE_LEN] = '\0'; /* I'm scared. This makes me feel better. */
+ this->next_line[0] = '\0'; /* mark the buffer as empty. */
+ }
+ /* Initialize buffer with next line */
+ if( ! read_line_from_input( this, this->next_line, LINE_LEN) ) {
+ this->next_line[0] = '\0';
+ return NULL;
+ }
+ if( (sscanf( line, "%d:%d:%d:", &a1, &a2, &a3) < 3) ||
+ (sscanf( this->next_line, "%d:%d:%d:", &b1, &b2, &b3) < 3) )
+ continue;
+ current->start = a1*360000+a2*6000+a3*100;
+ current->end = b1*360000+b2*6000+b3*100;
+ if ((current->end - current->start) > LINE_LEN)
+ current->end = current->start + LINE_LEN; /* not too long though. */
+ /* teraz czas na wkopiowanie stringu */
+ p=line;
+ /* finds the body of the subtitle_t */
+ for (i=0; i<3; i++){
+ p2=strchr( p, ':');
+ if( p2 == NULL ) break;
+ p=p2+1;
+ }
+
+ 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) {
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "Too many lines in a subtitle\n");
+ current->lines=i;
+ return current;
+ }
+ }
+ current->lines=++i;
+ }
+ return current;
+}
+
+static subtitle_t *sub_read_line_rt(demux_sputext_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[LINE_LEN + 1];
+ int a1,a2,a3,a4,b1,b2,b3,b4;
+ char *p=NULL,*next=NULL;
+ int i,len,plen;
+
+ memset (current, 0, sizeof(subtitle_t));
+
+ while (!current->text[0]) {
+ if (!read_line_from_input(this, line, LINE_LEN)) 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) {
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "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(demux_sputext_t *this,subtitle_t *current) {
+ int comma;
+ static int max_comma = 32; /* let's use 32 for the case that the */
+ /* amount of commas increase with newer SSA versions */
+
+ int hour1, min1, sec1, hunsec1, hour2, min2, sec2, hunsec2, nothing;
+ int num;
+ char line[LINE_LEN + 1], line3[LINE_LEN + 1], *line2;
+ char *tmp;
+
+ do {
+ if (!read_line_from_input(this, line, LINE_LEN)) 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
+ &&
+ sscanf (line, "Dialogue: %d,%d:%d:%d.%d,%d:%d:%d.%d,"
+ "%[^\n\r]", &nothing,
+ &hour1, &min1, &sec1, &hunsec1,
+ &hour2, &min2, &sec2, &hunsec2,
+ line3) < 9 );
+
+ line2=strchr(line3, ',');
+ if (!line2)
+ return NULL;
+
+ for (comma = 4; comma < max_comma; comma ++)
+ {
+ tmp = line2;
+ if(!(tmp=strchr(++tmp, ','))) break;
+ if(*(++tmp) == ' ') break;
+ /* a space after a comma means we're already in a sentence */
+ line2 = tmp;
+ }
+
+ if(comma < max_comma)max_comma = comma;
+ /* eliminate the trailing comma */
+ if(*line2 == ',') line2++;
+
+ current->lines=0;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")) != NULL) || ((tmp=strstr(line2, "\\N")) != NULL) ){
+ current->text[num] = strndup(line2, tmp-line2);
+ line2=tmp+2;
+ num++;
+ current->lines++;
+ if (current->lines >= SUB_MAX_TEXT) return current;
+ }
+
+ current->text[num]=strdup(line2);
+ current->lines++;
+
+ return current;
+}
+
+/* Sylvain "Skarsnik" Colinet <scolinet@gmail.com>
+ * From MPlayer subreader.c :
+ *
+ * PJS subtitles reader.
+ * That's the "Phoenix Japanimation Society" format.
+ * I found some of them in http://www.scriptsclub.org/ (used for anime).
+ * The time is in tenths of second.
+ *
+ * by set, based on code by szabi (dunnowhat sub format ;-)
+ */
+
+static subtitle_t *sub_read_line_pjs (demux_sputext_t *this, subtitle_t *current) {
+ char line[LINE_LEN + 1];
+ char text[LINE_LEN + 1];
+ char *s, *d;
+
+ memset (current, 0, sizeof(subtitle_t));
+
+ if (!read_line_from_input(this, line, LINE_LEN))
+ return NULL;
+ for (s = line; *s && isspace(*s); s++);
+ if (*s == 0)
+ return NULL;
+ if (sscanf (line, "%ld,%ld,", &(current->start),
+ &(current->end)) <2)
+ return ERR;
+ /* the files I have are in tenths of second */
+ current->start *= 10;
+ current->end *= 10;
+
+ /* walk to the beggining of the string */
+ for (; *s; s++) if (*s==',') break;
+ if (*s) {
+ for (s++; *s; s++) if (*s==',') break;
+ if (*s) s++;
+ }
+ if (*s!='"') {
+ return ERR;
+ }
+ /* copy the string to the text buffer */
+ for (s++, d=text; *s && *s!='"'; s++, d++)
+ *d=*s;
+ *d=0;
+ current->text[0] = strdup(text);
+ current->lines = 1;
+
+ return current;
+}
+
+static subtitle_t *sub_read_line_mpsub (demux_sputext_t *this, subtitle_t *current) {
+ char line[LINE_LEN + 1];
+ float a,b;
+ int num=0;
+ char *p, *q;
+
+ do {
+ if (!read_line_from_input(this, line, LINE_LEN))
+ 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 (!read_line_from_input(this, line, LINE_LEN))
+ 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);
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, ">%s<\n",p);
+ current->lines = ++num;
+ } else {
+ if (num)
+ return current;
+ else
+ return NULL;
+ }
+ }
+
+ return NULL;
+}
+
+static subtitle_t *sub_read_line_aqt (demux_sputext_t *this, subtitle_t *current) {
+ char line[LINE_LEN + 1];
+
+ memset (current, 0, sizeof(subtitle_t));
+
+ while (1) {
+ /* try to locate next subtitle_t */
+ if (!read_line_from_input(this, line, LINE_LEN))
+ return NULL;
+ if (!(sscanf (line, "-->> %ld", &(current->start)) <1))
+ break;
+ }
+
+ if (!read_line_from_input(this, line, LINE_LEN))
+ return NULL;
+
+ sub_readtext((char *) &line,&current->text[0]);
+ current->lines = 1;
+ current->end = -1;
+
+ if (!read_line_from_input(this, line, LINE_LEN))
+ return current;;
+
+ sub_readtext((char *) &line,&current->text[1]);
+ current->lines = 2;
+
+ if ((current->text[0][0]==0) && (current->text[1][0]==0)) {
+ return NULL;
+ }
+
+ return current;
+}
+
+static subtitle_t *sub_read_line_jacobsub(demux_sputext_t *this, subtitle_t *current) {
+ char line1[LINE_LEN], line2[LINE_LEN], directive[LINE_LEN], *p, *q;
+ unsigned a1, a2, a3, a4, b1, b2, b3, b4, comment = 0;
+ static unsigned jacoTimeres = 30;
+ static int jacoShift = 0;
+
+ memset(current, 0, sizeof(subtitle_t));
+ memset(line1, 0, LINE_LEN);
+ memset(line2, 0, LINE_LEN);
+ memset(directive, 0, LINE_LEN);
+ while (!current->text[0]) {
+ if (!read_line_from_input(this, line1, LINE_LEN)) {
+ return NULL;
+ }
+ if (sscanf
+ (line1, "%u:%u:%u.%u %u:%u:%u.%u %" LINE_LEN_QUOT "[^\n\r]", &a1, &a2, &a3, &a4,
+ &b1, &b2, &b3, &b4, line2) < 9) {
+ if (sscanf(line1, "@%u @%u %" LINE_LEN_QUOT "[^\n\r]", &a4, &b4, line2) < 3) {
+ if (line1[0] == '#') {
+ int hours = 0, minutes = 0, seconds, delta, inverter =
+ 1;
+ unsigned units = jacoShift;
+ switch (line1[1]) {
+ case 'S':
+ case 's':
+ if (isalpha(line1[2])) {
+ delta = 6;
+ } else {
+ delta = 2;
+ }
+ if (sscanf(&line1[delta], "%d", &hours)) {
+ if (hours < 0) {
+ hours *= -1;
+ inverter = -1;
+ }
+ if (sscanf(&line1[delta], "%*d:%d", &minutes)) {
+ if (sscanf
+ (&line1[delta], "%*d:%*d:%d",
+ &seconds)) {
+ sscanf(&line1[delta], "%*d:%*d:%*d.%d",
+ &units);
+ } else {
+ hours = 0;
+ sscanf(&line1[delta], "%d:%d.%d",
+ &minutes, &seconds, &units);
+ minutes *= inverter;
+ }
+ } else {
+ hours = minutes = 0;
+ sscanf(&line1[delta], "%d.%d", &seconds,
+ &units);
+ seconds *= inverter;
+ }
+ jacoShift =
+ ((hours * 3600 + minutes * 60 +
+ seconds) * jacoTimeres +
+ units) * inverter;
+ }
+ break;
+ case 'T':
+ case 't':
+ if (isalpha(line1[2])) {
+ delta = 8;
+ } else {
+ delta = 2;
+ }
+ sscanf(&line1[delta], "%u", &jacoTimeres);
+ break;
+ }
+ }
+ continue;
+ } else {
+ current->start =
+ (unsigned long) ((a4 + jacoShift) * 100.0 /
+ jacoTimeres);
+ current->end =
+ (unsigned long) ((b4 + jacoShift) * 100.0 /
+ jacoTimeres);
+ }
+ } else {
+ current->start =
+ (unsigned
+ long) (((a1 * 3600 + a2 * 60 + a3) * jacoTimeres + a4 +
+ jacoShift) * 100.0 / jacoTimeres);
+ current->end =
+ (unsigned
+ long) (((b1 * 3600 + b2 * 60 + b3) * jacoTimeres + b4 +
+ jacoShift) * 100.0 / jacoTimeres);
+ }
+ current->lines = 0;
+ p = line2;
+ while ((*p == ' ') || (*p == '\t')) {
+ ++p;
+ }
+ if (isalpha(*p)||*p == '[') {
+ if (sscanf(p, "%s %" LINE_LEN_QUOT "[^\n\r]", directive, line1) < 2)
+ return ERR;
+ if ((strcasestr(directive, "RDB") != NULL)
+ || (strcasestr(directive, "RDC") != NULL)
+ || (strcasestr(directive, "RLB") != NULL)
+ || (strcasestr(directive, "RLG") != NULL)) {
+ continue;
+ }
+ /* no alignment */
+#if 0
+ if (strcasestr(directive, "JL") != NULL) {
+ current->alignment = SUB_ALIGNMENT_HLEFT;
+ } else if (strcasestr(directive, "JR") != NULL) {
+ current->alignment = SUB_ALIGNMENT_HRIGHT;
+ } else {
+ current->alignment = SUB_ALIGNMENT_HCENTER;
+ }
+#endif
+ strcpy(line2, line1);
+ p = line2;
+ }
+ for (q = line1; (!eol(*p)) && (current->lines < SUB_MAX_TEXT); ++p) {
+ switch (*p) {
+ case '{':
+ comment++;
+ break;
+ case '}':
+ if (comment) {
+ --comment;
+ /* the next line to get rid of a blank after the comment */
+ if ((*(p + 1)) == ' ')
+ p++;
+ }
+ break;
+ case '~':
+ if (!comment) {
+ *q = ' ';
+ ++q;
+ }
+ break;
+ case ' ':
+ case '\t':
+ if ((*(p + 1) == ' ') || (*(p + 1) == '\t'))
+ break;
+ if (!comment) {
+ *q = ' ';
+ ++q;
+ }
+ break;
+ case '\\':
+ if (*(p + 1) == 'n') {
+ *q = '\0';
+ q = line1;
+ current->text[current->lines++] = strdup(line1);
+ ++p;
+ break;
+ }
+ if ((*(p + 1) == 'C') || (*(p + 1) == 'c') ||
+ (*(p + 1) == 'F') || (*(p + 1) == 'f')) {
+ ++p,++p;
+ break;
+ }
+ if ((*(p + 1) == 'B') || (*(p + 1) == 'b') ||
+ /* actually this means "insert current date here" */
+ (*(p + 1) == 'D') ||
+ (*(p + 1) == 'I') || (*(p + 1) == 'i') ||
+ (*(p + 1) == 'N') ||
+ /* actually this means "insert current time here" */
+ (*(p + 1) == 'T') ||
+ (*(p + 1) == 'U') || (*(p + 1) == 'u')) {
+ ++p;
+ break;
+ }
+ if ((*(p + 1) == '\\') ||
+ (*(p + 1) == '~') || (*(p + 1) == '{')) {
+ ++p;
+ } else if (eol(*(p + 1))) {
+ if (!read_line_from_input(this, directive, LINE_LEN))
+ return NULL;
+ trail_space(directive);
+ strncat(line2, directive,
+ ((LINE_LEN > 511) ? LINE_LEN-1 : 511)
+ - strlen(line2));
+ break;
+ }
+ default:
+ if (!comment) {
+ *q = *p;
+ ++q;
+ }
+ }
+ }
+ *q = '\0';
+ if (current->lines < SUB_MAX_TEXT)
+ current->text[current->lines] = strdup(line1);
+ else
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "Too many lines in a subtitle\n");
+ }
+ current->lines++;
+ return current;
+}
+
+static subtitle_t *sub_read_line_subviewer2(demux_sputext_t *this, subtitle_t *current) {
+ char line[LINE_LEN+1];
+ int a1,a2,a3,a4;
+ char *p=NULL;
+ int i,len;
+
+ while (!current->text[0]) {
+ if (!read_line_from_input(this, line, LINE_LEN)) return NULL;
+ if (line[0]!='{')
+ continue;
+ if ((len=sscanf (line, "{T %d:%d:%d:%d",&a1,&a2,&a3,&a4)) < 4)
+ continue;
+ current->start = a1*360000+a2*6000+a3*100+a4/10;
+ for (i=0; i<SUB_MAX_TEXT;) {
+ if (!read_line_from_input(this, line, LINE_LEN)) break;
+ if (line[0]=='}') break;
+ len=0;
+ for (p=line; *p!='\n' && *p!='\r' && *p; ++p,++len);
+ if (len) {
+ current->text[i] = strndup(line, len);
+ if (!current->text[i]) return ERR;
+ ++i;
+ } else {
+ break;
+ }
+ }
+ current->lines=i;
+ }
+ return current;
+}
+
+static subtitle_t *sub_read_line_subrip09 (demux_sputext_t *this, subtitle_t *current) {
+ char line[LINE_LEN + 1];
+ char *next;
+ int h, m, s;
+ int i;
+
+ memset (current, 0, sizeof(subtitle_t));
+
+ do {
+ if (!read_line_from_input (this, line, LINE_LEN)) return NULL;
+ } while (sscanf (line, "[%d:%d:%d]", &h, &m, &s) != 3);
+
+ if (!read_line_from_input (this, line, LINE_LEN)) return NULL;
+
+ current->start = 360000 * h + 6000 * m + 100 * s;
+ current->end = -1;
+
+ next=line;
+ i=0;
+ while ((next = sub_readtext (next, &(current->text[i])))) {
+ if (current->text[i]==ERR) return ERR;
+ i++;
+ if (i>=SUB_MAX_TEXT) {
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "Too many lines in a subtitle\n");
+ current->lines=i;
+ return current;
+ }
+ }
+ current->lines= ++i;
+
+ return current;
+}
+
+/* Code from subreader.c of MPlayer
+** Sylvain "Skarsnik" Colinet <scolinet@gmail.com>
+*/
+
+static subtitle_t *sub_read_line_mpl2(demux_sputext_t *this, subtitle_t *current) {
+ char line[LINE_LEN+1];
+ char line2[LINE_LEN+1];
+ char *p, *next;
+ int i;
+
+ memset (current, 0, sizeof(subtitle_t));
+ do {
+ if (!read_line_from_input (this, line, LINE_LEN)) return NULL;
+ } while ((sscanf (line,
+ "[%ld][%ld]%[^\r\n]",
+ &(current->start), &(current->end), line2) < 3));
+ current->start *= 10;
+ current->end *= 10;
+ 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) {
+ xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, "Too many lines in a subtitle\n");
+ current->lines = i;
+ return current;
+ }
+ }
+ current->lines= ++i;
+
+ return current;
+}
+
+
+
+static int sub_autodetect (demux_sputext_t *this) {
+
+ char line[LINE_LEN + 1];
+ int i, j=0;
+ char p;
+
+ while (j < 100) {
+ j++;
+ if (!read_line_from_input(this, line, LINE_LEN))
+ return FORMAT_UNKNOWN;
+
+ if ((sscanf (line, "{%d}{}", &i)==1) ||
+ (sscanf (line, "{%d}{%d}", &i, &i)==2)) {
+ this->uses_time=0;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "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;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "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;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "subviewer subtitle format detected\n");
+ return FORMAT_SUBVIEWER;
+ }
+
+ if (sscanf (line, "%d:%d:%d,%d,%d:%d:%d,%d", &i, &i, &i, &i, &i, &i, &i, &i)==8){
+ this->uses_time=1;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "subviewer subtitle format detected\n");
+ return FORMAT_SUBVIEWER;
+ }
+
+ if (strstr (line, "<SAMI>")) {
+ this->uses_time=1;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "sami subtitle format detected\n");
+ return FORMAT_SAMI;
+ }
+ if (sscanf (line, "%d:%d:%d:", &i, &i, &i )==3) {
+ this->uses_time=1;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "vplayer subtitle format detected\n");
+ return FORMAT_VPLAYER;
+ }
+ /*
+ * A RealText format is a markup language, starts with <window> tag,
+ * options (behaviour modifiers) are possible.
+ */
+ if ( !strcasecmp(line, "<window") ) {
+ this->uses_time=1;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "rt subtitle format detected\n");
+ return FORMAT_RT;
+ }
+ if ((!memcmp(line, "Dialogue: Marked", 16)) || (!memcmp(line, "Dialogue: ", 10))) {
+ this->uses_time=1;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "ssa subtitle format detected\n");
+ return FORMAT_SSA;
+ }
+ if (sscanf (line, "%d,%d,\"%c", &i, &i, (char *) &i) == 3) {
+ this->uses_time=0;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "pjs subtitle format detected\n");
+ return FORMAT_PJS;
+ }
+ if (sscanf (line, "FORMAT=%d", &i) == 1) {
+ this->uses_time=0;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "mpsub subtitle format detected\n");
+ return FORMAT_MPSUB;
+ }
+ if (sscanf (line, "FORMAT=TIM%c", &p)==1 && p=='E') {
+ this->uses_time=1;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "mpsub subtitle format detected\n");
+ return FORMAT_MPSUB;
+ }
+ if (strstr (line, "-->>")) {
+ this->uses_time=0;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "aqtitle subtitle format detected\n");
+ return FORMAT_AQTITLE;
+ }
+ if (sscanf(line, "@%d @%d", &i, &i) == 2 ||
+ sscanf(line, "%d:%d:%d.%d %d:%d:%d.%d", &i, &i, &i, &i, &i, &i, &i, &i) == 8) {
+ this->uses_time = 1;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "jacobsub subtitle format detected\n");
+ return FORMAT_JACOBSUB;
+ }
+ if (sscanf(line, "{T %d:%d:%d:%d",&i, &i, &i, &i) == 4) {
+ this->uses_time = 1;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "subviewer 2.0 subtitle format detected\n");
+ return FORMAT_SUBVIEWER2;
+ }
+ if (sscanf(line, "[%d:%d:%d]", &i, &i, &i) == 3) {
+ this->uses_time = 1;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "subrip 0.9 subtitle format detected\n");
+ return FORMAT_SUBRIP09;
+ }
+
+ if (sscanf (line, "[%d][%d]", &i, &i) == 2) {
+ this->uses_time = 1;
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "mpl2 subtitle format detected\n");
+ return FORMAT_MPL2;
+ }
+ }
+ return FORMAT_UNKNOWN; /* too many bad lines */
+}
+
+static subtitle_t *sub_read_file (demux_sputext_t *this) {
+
+ int n_max;
+ int timeout;
+ subtitle_t *first;
+ subtitle_t * (*func[])(demux_sputext_t *this,subtitle_t *dest)=
+ {
+ sub_read_line_microdvd,
+ sub_read_line_subrip,
+ sub_read_line_subviewer,
+ sub_read_line_sami,
+ sub_read_line_vplayer,
+ sub_read_line_rt,
+ sub_read_line_ssa,
+ sub_read_line_pjs,
+ sub_read_line_mpsub,
+ sub_read_line_aqt,
+ sub_read_line_jacobsub,
+ sub_read_line_subviewer2,
+ sub_read_line_subrip09,
+ sub_read_line_mpl2,
+ };
+
+ /* Rewind (sub_autodetect() needs to read input from the beginning) */
+ if(this->input->seek(this->input, 0, SEEK_SET) == -1) {
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "seek failed.\n");
+ return NULL;
+ }
+ this->buflen = 0;
+
+ this->format=sub_autodetect (this);
+ if (this->format==FORMAT_UNKNOWN) {
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "Could not determine file format\n");
+ return NULL;
+ }
+
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "Detected subtitle file format: %d\n",this->format);
+
+ /* Rewind */
+ if(this->input->seek(this->input, 0, SEEK_SET) == -1) {
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "seek failed.\n");
+ return NULL;
+ }
+ this->buflen = 0;
+
+ this->num=0;n_max=32;
+ first = calloc(n_max, sizeof(subtitle_t));
+ if(!first) return NULL;
+ timeout = ((demux_sputext_class_t *)
+ (this->demux_plugin.demux_class))->max_timeout;
+ if (this->uses_time) timeout *= 100;
+ else timeout *= 10;
+
+ 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 {
+ if (this->num > 0 && first[this->num-1].end == -1) {
+ /* end time not defined in the subtitle */
+ if (timeout > 0) {
+ /* timeout */
+ if (timeout > sub->start - first[this->num-1].start) {
+ first[this->num-1].end = sub->start;
+ } else
+ first[this->num-1].end = first[this->num-1].start + timeout;
+ } else {
+ /* no timeout */
+ first[this->num-1].end = sub->start;
+ }
+ }
+ ++this->num; /* Error vs. Valid */
+ }
+ }
+ /* timeout of last subtitle */
+ if (this->num > 0 && first[this->num-1].end == -1)
+ if (timeout > 0) {
+ first[this->num-1].end = first[this->num-1].start + timeout;
+ }
+
+ if(this->stream->xine->verbosity >= XINE_VERBOSITY_DEBUG) {
+ char buffer[1024];
+
+ sprintf(buffer, "Read %i subtitles", this->num);
+
+ if(this->errs)
+ sprintf(buffer + strlen(buffer), ", %i bad line(s).\n", this->errs);
+ else
+ strcat(buffer, "\n");
+
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "%s", buffer);
+ }
+
+ return first;
+}
+
+static int demux_sputext_next (demux_sputext_t *this_gen) {
+ demux_sputext_t *this = (demux_sputext_t *) this_gen;
+ buf_element_t *buf;
+ uint32_t *val;
+ char *str;
+ subtitle_t *sub;
+ int line;
+
+ if (this->cur >= this->num)
+ return 0;
+
+ sub = &this->subtitles[this->cur];
+
+ buf = this->stream->video_fifo->buffer_pool_alloc(this->stream->video_fifo);
+ buf->type = BUF_SPU_TEXT;
+ buf->pts = 0;
+
+ val = (uint32_t * )buf->content;
+ *val++ = sub->lines;
+ *val++ = this->uses_time;
+ *val++ = (this->uses_time) ? sub->start * 10 : sub->start;
+ *val++ = (this->uses_time) ? sub->end * 10 : sub->end;
+ str = (char *)val;
+ for (line = 0; line < sub->lines; line++, str+=strlen(str)+1) {
+ strncpy(str, sub->text[line], SUB_BUFSIZE-1);
+ str[SUB_BUFSIZE-1] = '\0';
+ }
+
+ this->stream->video_fifo->put(this->stream->video_fifo, buf);
+ this->cur++;
+
+ return 1;
+}
+
+static void demux_sputext_dispose (demux_plugin_t *this_gen) {
+ demux_sputext_t *this = (demux_sputext_t *) this_gen;
+ int i, l;
+
+ for (i = 0; i < this->num; i++) {
+ for (l = 0; l < this->subtitles[i].lines; l++)
+ free(this->subtitles[i].text[l]);
+ }
+ free(this->subtitles);
+ free(this);
+}
+
+static int demux_sputext_get_status (demux_plugin_t *this_gen) {
+ demux_sputext_t *this = (demux_sputext_t *) this_gen;
+ return this->status;
+}
+
+static int demux_sputext_get_stream_length (demux_plugin_t *this_gen) {
+ demux_sputext_t *this = (demux_sputext_t *) this_gen;
+
+ if( this->uses_time && this->num ) {
+ return this->subtitles[this->num-1].end * 10;
+ } else {
+ return 0;
+ }
+}
+
+static int demux_sputext_send_chunk (demux_plugin_t *this_gen) {
+ demux_sputext_t *this = (demux_sputext_t *) this_gen;
+
+ if (!demux_sputext_next (this)) {
+ this->status = DEMUX_FINISHED;
+ }
+
+ return this->status;
+}
+
+static int demux_sputext_seek (demux_plugin_t *this_gen,
+ off_t start_pos, int start_time, int playing) {
+ demux_sputext_t *this = (demux_sputext_t*)this_gen;
+
+ lprintf("seek() called\n");
+
+ /* simple seeking approach: just go back to start.
+ * decoder will discard subtitles until the desired position.
+ */
+ this->cur = 0;
+ this->status = DEMUX_OK;
+
+ _x_demux_flush_engine (this->stream);
+ _x_demux_control_newpts(this->stream, 0, 0);
+
+ return this->status;
+}
+
+static void demux_sputext_send_headers(demux_plugin_t *this_gen) {
+ demux_sputext_t *this = (demux_sputext_t*)this_gen;
+ buf_element_t *buf;
+
+
+ lprintf("send_headers() called\n");
+
+ _x_demux_control_start(this->stream);
+ _x_stream_info_set(this->stream, XINE_STREAM_INFO_HAS_VIDEO, 0);
+ _x_stream_info_set(this->stream, XINE_STREAM_INFO_HAS_AUDIO, 0);
+
+ /* enable the SPU channel */
+ buf = this->stream->video_fifo->buffer_pool_alloc(this->stream->video_fifo);
+ buf->type = BUF_CONTROL_SPU_CHANNEL;
+ buf->decoder_info[0] = buf->decoder_info[1] = buf->decoder_info[2] = 0;
+ this->stream->video_fifo->put(this->stream->video_fifo, buf);
+
+ this->status = DEMUX_OK;
+}
+
+static uint32_t demux_sputext_get_capabilities(demux_plugin_t *this_gen) {
+ return DEMUX_CAP_NOCAP;
+}
+
+static int demux_sputext_get_optional_data(demux_plugin_t *this_gen,
+ void *data, int data_type) {
+ int channel = *((int *)data);
+
+ switch (data_type) {
+ case DEMUX_OPTIONAL_DATA_SPULANG:
+ if (channel == -1 || channel == 0) {
+ strcpy(data, "sub");
+ return DEMUX_OPTIONAL_SUCCESS;
+ }
+ default:
+ return DEMUX_OPTIONAL_UNSUPPORTED;
+ }
+}
+
+static demux_plugin_t *open_demux_plugin (demux_class_t *class_gen, xine_stream_t *stream,
+ input_plugin_t *input_gen) {
+
+ input_plugin_t *input = (input_plugin_t *) input_gen;
+ demux_sputext_t *this;
+
+ lprintf("open_plugin() called\n");
+
+ this = calloc(1, sizeof (demux_sputext_t));
+ this->stream = stream;
+ this->input = input;
+
+ this->demux_plugin.send_headers = demux_sputext_send_headers;
+ this->demux_plugin.send_chunk = demux_sputext_send_chunk;
+ this->demux_plugin.seek = demux_sputext_seek;
+ this->demux_plugin.dispose = demux_sputext_dispose;
+ this->demux_plugin.get_status = demux_sputext_get_status;
+ this->demux_plugin.get_stream_length = demux_sputext_get_stream_length;
+ this->demux_plugin.get_capabilities = demux_sputext_get_capabilities;
+ this->demux_plugin.get_optional_data = demux_sputext_get_optional_data;
+ this->demux_plugin.demux_class = class_gen;
+
+ this->buflen = 0;
+
+ switch (stream->content_detection_method) {
+ case METHOD_BY_MRL:
+ {
+ const char *const mrl = input->get_mrl(input);
+ const char *const ending = strrchr(mrl, '.');
+
+ if (!ending || (
+ (strncasecmp(ending, ".asc", 4) != 0) &&
+ (strncasecmp(ending, ".txt", 4) != 0) &&
+ (strncasecmp(ending, ".sub", 4) != 0) &&
+ (strncasecmp(ending, ".srt", 4) != 0) &&
+ (strncasecmp(ending, ".smi", 4) != 0) &&
+ (strncasecmp(ending, ".ssa", 4) != 0) &&
+ (strncasecmp(ending, ".ass", 4) != 0))) {
+ free (this);
+ return NULL;
+ }
+ }
+ /* falling through is intended */
+
+ case METHOD_EXPLICIT:
+ /* case METHOD_BY_CONTENT: */
+
+ /* FIXME: for now this demuxer only works when requested explicitly
+ * to make sure it does not interfere with others;
+ * If this is found too inconvenient, this may be changed after making
+ * sure the content detection does not produce any false positives.
+ */
+
+ if ((input->get_capabilities(input) & INPUT_CAP_SEEKABLE) != 0) {
+
+ this->subtitles = sub_read_file (this);
+
+ this->cur = 0;
+
+ if (this->subtitles) {
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "subtitle format %s time.\n",
+ this->uses_time ? "uses" : "doesn't use");
+ xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG,
+ "read %i subtitles, %i errors.\n", this->num, this->errs);
+ return &this->demux_plugin;
+ }
+ }
+ /* falling through is intended */
+ }
+
+ free (this);
+ return NULL;
+}
+
+static void config_timeout_cb(void *this_gen, xine_cfg_entry_t *entry) {
+ demux_sputext_class_t *this = (demux_sputext_class_t *)this_gen;
+
+ this->max_timeout = entry->num_value;
+}
+
+void *init_sputext_demux_class (xine_t *xine, void *data) {
+
+ demux_sputext_class_t *this ;
+
+ lprintf("initializing\n");
+
+ this = calloc(1, sizeof (demux_sputext_class_t));
+
+ this->demux_class.open_plugin = open_demux_plugin;
+ this->demux_class.description = N_("sputext demuxer plugin");
+ this->demux_class.identifier = "sputext";
+ /* do not report this mimetype, it might confuse browsers. */
+ /* "text/plain: asc txt sub srt: VIDEO subtitles;" */
+ this->demux_class.mimetypes = NULL;
+ this->demux_class.extensions = "asc txt sub srt smi ssa ass";
+ this->demux_class.dispose = default_demux_class_dispose;
+
+ /*
+ * Some subtitling formats, namely AQT and Subrip09, define the end of a
+ * subtitle as the beginning of the following. From end-user view it's
+ * better define timeout of hidding. Setting to zero means "no timeout".
+ */
+ this->max_timeout = xine->config->register_num(xine->config,
+ "subtitles.separate.timeout", 4,
+ _("default duration of subtitle display in seconds"),
+ _("Some subtitle formats do not explicitly give a duration for each subtitle. "
+ "For these, you can set a default duration here. Setting to zero will result "
+ "in the subtitle being shown until the next one takes over."),
+ 20, config_timeout_cb, this);
+
+ return this;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-25 19:17:05 +0000