/*****************************************************************************
* subtitles.c
*****************************************************************************
- * Copyright (C) 2003-2004 VideoLAN
+ * Copyright (C) 2003-2006 the VideoLAN team
* $Id$
*
* Authors: Derk-Jan Hartman <hartman at videolan.org>
*
* 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, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/**
#include <stdlib.h>
#include <vlc/vlc.h>
-#include <vlc/input.h>
-
-#include "ninput.h"
+#include <vlc_input.h>
+#include <vlc_charset.h>
#ifdef HAVE_DIRENT_H
# include <dirent.h>
-#else
-# include "../extras/dirent.h"
#endif
-#include <ctype.h>
+#ifdef HAVE_LIMITS_H
+# include <limits.h>
+#endif
-/**
- * What's between a directory and a filename?
- */
-#if defined( WIN32 )
- #define DIRECTORY_SEPARATOR '\\'
-#else
- #define DIRECTORY_SEPARATOR '/'
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
#endif
+#include <sys/stat.h>
+
+#include <ctype.h>
+#include "input_internal.h"
/**
* We are not going to autodetect more subtitle files than this.
/**
- * The possible extentions for subtitle files we support
+ * The possible extensions for subtitle files we support
*/
-static const char * sub_exts[] = { "utf", "utf8", "utf-8", "sub", "srt", "smi", "txt", "ssa", NULL};
+static const char * sub_exts[] = { "utf", "utf8", "utf-8", "sub", "srt", "smi", "txt", "ssa", "idx", NULL };
/* extensions from unsupported types */
/* rt, aqt, jss, js, ass */
*d = tolower(*s);
s++; d++;
}
- if (*s == 0) break;
+ if( *s == 0 ) break;
/* trim excess whitespace */
while( *s && !isalnum(*s) )
{
static void strcpy_strip_ext( char *d, char *s )
{
char *tmp = strrchr(s, '.');
- if( !tmp ) {
+ if( !tmp )
+ {
strcpy(d, s);
return;
}
else
- {
- strncpy(d, s, tmp - s);
- d[tmp - s] = 0;
- }
+ strlcpy(d, s, tmp - s + 1 );
while( *d )
{
*d = tolower(*d);
{
int priority;
char *psz_fname;
+ char *psz_ext;
} subfn;
static int compare_sub_priority( const void *a, const void *b )
return 1;
}
+#ifndef UNDER_CE
return strcoll(((subfn*)a)->psz_fname, ((subfn*)b)->psz_fname);
+#else
+ return strcmp(((subfn*)a)->psz_fname, ((subfn*)b)->psz_fname);
+#endif
+}
+
+/*
+ * Check if a file ends with a subtitle extension
+ */
+int subtitles_Filter( const char *psz_dir_content )
+{
+ const char *tmp = strrchr( psz_dir_content, '.');
+ if( tmp == NULL )
+ return 0;
+ else
+ {
+ int i;
+ tmp++;
+
+ for( i = 0; sub_exts[i]; i++ )
+ if( strcasecmp( sub_exts[i], tmp ) == 0 )
+ return 1;
+ }
+ return 0;
}
+
/**
* Convert a list of paths separated by ',' to a char**
*/
-static char **paths_to_list( char *psz_dir, char *psz_path )
+static char **paths_to_list( const char *psz_dir, char *psz_path )
{
unsigned int i, k, i_nb_subdirs;
char **subdirs; /* list of subdirectories to look in */
-
+
+ if( !psz_dir ) return NULL;
+ if( !psz_path ) return NULL;
+
i_nb_subdirs = 1;
for( k = 0; k < strlen( psz_path ); k++ )
{
i_nb_subdirs++;
}
}
-
+
if( i_nb_subdirs > 0 )
{
- char *psz_parser, *psz_temp;
-
+ char *psz_parser = NULL, *psz_temp = NULL;
+
subdirs = (char**)malloc( sizeof(char*) * ( i_nb_subdirs + 1 ) );
memset( subdirs, 0, sizeof(char*) * ( i_nb_subdirs + 1 ) );
i = 0;
+ strlen(psz_subdir) + 2 );
if( psz_temp )
{
- sprintf( psz_temp, "%s%s%c",
- psz_subdir[0] == '.' ? psz_dir : "",
+ sprintf( psz_temp, "%s%s%c",
+ psz_subdir[0] == '.' ? psz_dir : "",
psz_subdir,
- psz_subdir[strlen(psz_subdir) - 1] ==
- DIRECTORY_SEPARATOR ? '\0' : DIRECTORY_SEPARATOR );
+ psz_subdir[strlen(psz_subdir) - 1] ==
+ DIR_SEP_CHAR ? '\0' : DIR_SEP_CHAR );
subdirs[i] = psz_temp;
i++;
}
return subdirs;
}
+
/**
* Detect subtitle files.
*
- * When called this function will split up the psz_fname string into a
+ * When called this function will split up the psz_name string into a
* directory, filename and extension. It then opens the directory
* in which the file resides and tries to find possible matches of
* subtitles files.
* \ingroup Demux
* \param p_this the calling \ref input_thread_t
* \param psz_path a list of subdirectories (separated by a ',') to look in.
- * \param psz_fname the complete filename to base the search on.
+ * \param psz_name the complete filename to base the search on.
* \return a NULL terminated array of filenames with detected possible subtitles.
* The array contains max MAX_SUBTITLE_FILES items and you need to free it after use.
*/
char **subtitles_Detect( input_thread_t *p_this, char *psz_path,
- char *psz_fname )
+ const char *psz_name )
{
- /* variables to be used for derivatives of psz_fname */
- char *f_dir, *f_fname, *f_fname_noext, *f_fname_trim, *tmp;
- /* variables to be used for derivatives FILE *f */
- char *tmp_fname_noext, *tmp_fname_trim, *tmp_fname_ext, *tmpresult;
-
vlc_value_t fuzzy;
- int len, i, j, i_sub_count;
- subfn *result; /* unsorted results */
- char **result2; /* sorted results */
- char **tmp_subdirs, **subdirs; /* list of subdirectories to look in */
-
- FILE *f;
- DIR *d;
- struct dirent *de;
+ int j, i_result2, i_sub_count = 0, i_fname_len = 0;
+ char *f_dir = NULL, *f_fname = NULL, *f_fname_noext = NULL, *f_fname_trim = NULL;
+ char *tmp = NULL;
- i_sub_count = 0;
- len = strlen( psz_fname ) > 256 ? strlen( psz_fname ) : 256;
+ char **tmp_subdirs, **subdirs; /* list of subdirectories to look in */
- f_dir = (char*)malloc(len);
- f_fname = (char*)malloc(len);
- f_fname_noext = (char*)malloc(len);
- f_fname_trim = (char*)malloc(len);
+ subfn *result = NULL; /* unsorted results */
+ char **result2; /* sorted results */
- tmp_fname_noext = (char*)malloc(len);
- tmp_fname_trim = (char*)malloc(len);
- tmp_fname_ext = (char*)malloc(len);
+ char *psz_fname_original = strdup( psz_name );
+ char *psz_fname = psz_fname_original;
- tmpresult = (char*)malloc(len);
+ if( psz_fname == NULL ) return NULL;
- result = (subfn*)malloc( sizeof(subfn) * MAX_SUBTITLE_FILES );
- memset( result, 0, sizeof(subfn) * MAX_SUBTITLE_FILES );
+ if( !strncmp( psz_fname, "file://", 7 ) )
+ {
+ psz_fname += 7;
+ }
/* extract filename & dirname from psz_fname */
- tmp = strrchr( psz_fname, DIRECTORY_SEPARATOR );
+ tmp = strrchr( psz_fname, DIR_SEP_CHAR );
if( tmp )
{
- int pos;
- strncpy( f_fname, tmp + 1, len - 1 );
- f_fname[len - 1] = 0;
- pos = tmp - psz_fname + 1;
- strncpy( f_dir, psz_fname, __MIN(pos,len-1) );
- f_dir[__MIN(pos,len-1)] = 0;
+ int dirlen = 0;
+
+ f_fname = malloc( strlen(tmp) );
+ if( f_fname )
+ strcpy( f_fname, tmp+1 ); // we skip the separator, so it will still fit in the allocated space
+ dirlen = strlen(psz_fname) - strlen(tmp) + 2; // add the separator
+ f_dir = malloc( dirlen + 1 );
+ if( f_dir != NULL )
+ strlcpy( f_dir, psz_fname, dirlen );
}
else
{
- strncpy( f_fname, psz_fname, len - 1 );
- f_fname[len - 1] = 0;
- strcpy( f_dir, "" );
+ /* Get the current working directory */
+ int dirlen;
+#ifdef HAVE_UNISTD_H
+ f_dir = getcwd( NULL, 0 );
+#endif
+ if( f_dir == NULL )
+ {
+ if( psz_fname_original ) free( psz_fname_original );
+ return NULL;
+ }
+ dirlen = strlen( f_dir );
+ f_dir = (char *)realloc(f_dir, dirlen +2 );
+ f_dir[dirlen] = DIR_SEP_CHAR;
+ f_dir[dirlen+1] = '\0';
+ f_fname = strdup( psz_fname );
}
+ i_fname_len = strlen( f_fname );
+ f_fname_noext = malloc(i_fname_len + 1);
+ f_fname_trim = malloc(i_fname_len + 1 );
+
strcpy_strip_ext( f_fname_noext, f_fname );
strcpy_trim( f_fname_trim, f_fname_noext );
+
+ result = (subfn*)malloc( sizeof(subfn) * MAX_SUBTITLE_FILES );
+ if( result )
+ memset( result, 0, sizeof(subfn) * MAX_SUBTITLE_FILES );
+
var_Get( p_this, "sub-autodetect-fuzzy", &fuzzy );
tmp_subdirs = paths_to_list( f_dir, psz_path );
subdirs = tmp_subdirs;
- for( j = -1; j == -1 || ( j >= 0 && subdirs != NULL && *subdirs != NULL );
- j++)
+ for( j = -1; (j == -1) || ( (j >= 0) && (subdirs != NULL) &&
+ (*subdirs != NULL) ); j++)
{
- d = opendir( j < 0 ? f_dir : *subdirs );
- if( d )
+ const char *psz_dir = j < 0 ? f_dir : *subdirs;
+ char **ppsz_dir_content;
+ int i_dir_content;
+
+ if( psz_dir == NULL )
+ continue;
+
+ /* parse psz_src dir */
+ i_dir_content = utf8_scandir( psz_dir, &ppsz_dir_content,
+ subtitles_Filter, NULL );
+
+ if( i_dir_content != -1 )
{
- int b_found;
- msg_Dbg( p_this, "looking for a subtitle file in %s",
- j < 0 ? f_dir : *subdirs );
- while( ( de = readdir( d ) ) )
+ int a;
+
+ msg_Dbg( p_this, "looking for a subtitle file in %s", psz_dir );
+ for( a = 0; a < i_dir_content; a++ )
{
+ char *psz_name = ppsz_dir_content[a];
+ char tmp_fname_noext[strlen( psz_name ) + 1];
+ char tmp_fname_trim[strlen( psz_name ) + 1];
+ char tmp_fname_ext[strlen( psz_name ) + 1];
+
+ int i_prio = 0;
+
+ if( psz_name == NULL )
+ continue;
+
/* retrieve various parts of the filename */
- strcpy_strip_ext( tmp_fname_noext, de->d_name );
- strcpy_get_ext( tmp_fname_ext, de->d_name );
+ strcpy_strip_ext( tmp_fname_noext, psz_name );
+ strcpy_get_ext( tmp_fname_ext, psz_name );
strcpy_trim( tmp_fname_trim, tmp_fname_noext );
- /* does it end with a subtitle extension? */
- b_found = 0;
- for( i = 0; sub_exts[i]; i++ )
+ if( !i_prio && !strcmp( tmp_fname_trim, f_fname_trim ) )
{
- if( strcmp( sub_exts[i], tmp_fname_ext ) == 0 )
- {
- b_found = 1;
- msg_Dbg( p_this, "found a possible subtitle: %s",
- de->d_name );
- break;
- }
+ /* matches the movie name exactly */
+ i_prio = 4;
}
-
- /* we have a (likely) subtitle file */
- if( b_found )
+ if( !i_prio &&
+ ( tmp = strstr( tmp_fname_trim, f_fname_trim ) ) )
{
- int i_prio = 0;
- if( !i_prio && !strcmp( tmp_fname_trim, f_fname_trim ) )
+ /* contains the movie name */
+ tmp += strlen( f_fname_trim );
+ if( whiteonly( tmp ) )
{
- /* matches the movie name exactly */
- i_prio = 4;
+ /* chars in front of the movie name */
+ i_prio = 2;
}
- if( !i_prio &&
- ( tmp = strstr( tmp_fname_trim, f_fname_trim ) ) )
+ else
{
- /* contains the movie name */
- tmp += strlen( f_fname_trim );
- if( whiteonly( tmp ) )
- {
- /* chars in front of the movie name */
- i_prio = 2;
- }
- else
- {
- /* chars after (and possibly in front of)
- * the movie name */
- i_prio = 3;
- }
+ /* chars after (and possibly in front of)
+ * the movie name */
+ i_prio = 3;
}
- if( !i_prio )
+ }
+ if( !i_prio )
+ {
+ /* doesn't contain the movie name */
+ if( j == 0 ) i_prio = 1;
+ }
+ if( i_prio >= fuzzy.i_int )
+ {
+ char psz_path[strlen( psz_dir ) + strlen( psz_name ) + 1];
+ struct stat st;
+
+ sprintf( psz_path, "%s%s", psz_dir, psz_name );
+ msg_Dbg( p_this,
+ "autodetected subtitle: %s with priority %d",
+ psz_path, i_prio );
+
+ if( !utf8_stat( psz_path, &st ) && S_ISREG( st.st_mode ) )
{
- /* doesn't contain the movie name */
- if( j == 0 ) i_prio = 1;
+ msg_Dbg( p_this,
+ "autodetected subtitle: %s with priority %d",
+ psz_path, i_prio );
+ result[i_sub_count].priority = i_prio;
+ result[i_sub_count].psz_fname = strdup( psz_path );
+ result[i_sub_count].psz_ext = strdup(tmp_fname_ext);
+ i_sub_count++;
}
-
- if( i_prio >= fuzzy.i_int )
+ else
{
- sprintf( tmpresult, "%s%s", j == -1 ? f_dir : *subdirs,
- de->d_name );
- msg_Dbg( p_this, "autodetected subtitle: %s with "
- "priority %d", de->d_name, i_prio );
- if( ( f = fopen( tmpresult, "rt" ) ) )
- {
- fclose( f );
- result[i_sub_count].priority = i_prio;
- result[i_sub_count].psz_fname = strdup(tmpresult);
- i_sub_count++;
- }
+ msg_Dbg( p_this, "stat failed" );
}
}
if( i_sub_count >= MAX_SUBTITLE_FILES ) break;
}
- closedir( d );
+ for( a = 0; a < i_dir_content; a++ )
+ free( ppsz_dir_content[a] );
+ if( ppsz_dir_content ) free( ppsz_dir_content );
}
- free( *subdirs++ );
+ if( j >= 0 ) if( *subdirs ) free( *subdirs++ );
}
- if( tmp_subdirs ) free( tmp_subdirs );
-
- free( f_dir );
- free( f_fname );
- free( f_fname_noext );
- free( f_fname_trim );
-
- free( tmp_fname_noext );
- free( tmp_fname_trim );
- free( tmp_fname_ext );
-
- free( tmpresult );
+ if( tmp_subdirs ) free( tmp_subdirs );
+ if( f_fname_trim ) free( f_fname_trim );
+ if( f_fname_noext ) free( f_fname_noext );
+ if( f_fname ) free( f_fname );
+ if( f_dir ) free( f_dir );
qsort( result, i_sub_count, sizeof( subfn ), compare_sub_priority );
result2 = (char**)malloc( sizeof(char*) * ( i_sub_count + 1 ) );
- memset( result2, 0, sizeof(char*) * ( i_sub_count + 1 ) );
+ if( result2 )
+ memset( result2, 0, sizeof(char*) * ( i_sub_count + 1 ) );
+ i_result2 = 0;
- for( i = 0; i < i_sub_count; i++ )
+ for( j = 0; j < i_sub_count; j++ )
{
- result2[i] = result[i].psz_fname;
+ if( result[j].psz_ext && !strcasecmp( result[j].psz_ext, "sub" ) )
+ {
+ int i;
+ for( i = 0; i < i_sub_count; i++ )
+ {
+ if( result[i].psz_fname && result[j].psz_fname &&
+ !strncasecmp( result[j].psz_fname, result[i].psz_fname,
+ sizeof( result[j].psz_fname) - 4 ) &&
+ !strcasecmp( result[i].psz_ext, "idx" ) )
+ break;
+ }
+ if( i >= i_sub_count )
+ {
+ result2[i_result2] = result[j].psz_fname;
+ i_result2++;
+ }
+ }
+ else
+ {
+ result2[i_result2] = result[j].psz_fname;
+ i_result2++;
+ }
}
- result2[i_sub_count] = NULL;
- free( result );
+
+ if( psz_fname_original ) free( psz_fname_original );
+ if( result ) free( result );
return result2;
}