/*****************************************************************************
* subtitles.c
*****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: subtitles.c,v 1.3 2003/10/02 00:16:05 hartman Exp $
+ * Copyright (C) 2003-2004 the VideoLAN team
+ * $Id$
*
* Authors: Derk-Jan Hartman <hartman at videolan.org>
* This is adapted code from the GPL'ed MPlayer (http://mplayerhq.hu)
*
* 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 "charset.h"
+
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+#endif
+
+#ifdef HAVE_LIMITS_H
+# include <limits.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
-#include "ninput.h"
-#include <dirent.h>
#include <ctype.h>
/**
*/
#define MAX_SUBTITLE_FILES 128
-/**
- * This determines how fuzzy the returned results will be.
- *
- * Currently set to 3, other options are:
- * 0 = nothing
- * 1 = any subtitle file
- * 2 = any sub file containing movie name
- * 3 = sub file matching movie name exactly
- * 4 = sub file matching movie name with additional chars
- */
-#define SUB_FUZZY 3
/**
* The possible extentions 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 */
/* skip leading whitespace */
while( *s && !isalnum(*s) )
{
- s++;
+ s++;
}
for(;;)
{
- /* copy word */
- while( *s && isalnum(*s) )
+ /* copy word */
+ while( *s && isalnum(*s) )
{
- *d = tolower(*s);
- s++; d++;
- }
- if (*s == 0) break;
- /* trim excess whitespace */
- while( *s && !isalnum(*s) )
+ *d = tolower(*s);
+ s++; d++;
+ }
+ if( *s == 0 ) break;
+ /* trim excess whitespace */
+ while( *s && !isalnum(*s) )
{
- s++;
- }
- if( *s == 0 ) break;
- *d++ = ' ';
+ s++;
+ }
+ if( *s == 0 ) break;
+ *d++ = ' ';
}
*d = 0;
}
-
+
static void strcpy_strip_ext( char *d, char *s )
{
char *tmp = strrchr(s, '.');
- if( !tmp ) {
- strcpy(d, s);
- return;
+ if( !tmp )
+ {
+ strcpy(d, s);
+ return;
}
else
{
- strncpy(d, s, tmp - s);
- d[tmp - s] = 0;
+ strncpy(d, s, tmp - s);
+ d[tmp - s] = 0;
}
while( *d )
{
- *d = tolower(*d);
- d++;
+ *d = tolower(*d);
+ d++;
}
}
-
+
static void strcpy_get_ext( char *d, char *s )
{
char *tmp = strrchr(s, '.');
if( !tmp )
{
- strcpy(d, "");
- return;
+ strcpy(d, "");
+ return;
} else strcpy( d, tmp + 1 );
}
{
while ( *s )
{
- if( isalnum( *s ) ) return 0;
- s++;
+ if( isalnum( *s ) ) return 0;
+ s++;
}
return 1;
}
-typedef struct _subfn
+typedef struct _subfn
{
int priority;
char *psz_fname;
+ char *psz_ext;
} subfn;
static int compare_sub_priority( const void *a, const void *b )
{
- if (((subfn*)a)->priority > ((subfn*)b)->priority) {
- return -1;
- } else if (((subfn*)a)->priority < ((subfn*)b)->priority) {
- return 1;
- } else {
- return strcoll(((subfn*)a)->psz_fname, ((subfn*)b)->psz_fname);
+ if (((subfn*)a)->priority > ((subfn*)b)->priority)
+ {
+ return -1;
+ }
+
+ if (((subfn*)a)->priority < ((subfn*)b)->priority)
+ {
+ 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
+}
+
+/* Utility function for scandir */
+static int Filter( const struct dirent *p_dir_content )
+{
+ int i;
+ char *tmp = NULL;
+
+ if( p_dir_content == NULL || p_dir_content->d_name == NULL ) return VLC_FALSE;
+ /* does it end with a subtitle extension? */
+ tmp = strrchr( p_dir_content->d_name, '.');
+ if( !tmp )
+ {
+ return VLC_FALSE;
+ }
+ else
+ {
+ for( i = 0; sub_exts[i]; i++ )
+ {
+ if( strcmp( sub_exts[i], tmp+1 ) == 0 )
+ {
+ return VLC_TRUE;
+ }
+ }
+ }
+ return VLC_FALSE;
+}
+
+
+/**
+ * Convert a list of paths separated by ',' to a char**
+ */
+static char **paths_to_list( 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++ )
+ {
+ if( psz_path[k] == ',' )
+ {
+ i_nb_subdirs++;
+ }
+ }
+
+ if( i_nb_subdirs > 0 )
+ {
+ 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;
+ psz_parser = psz_path;
+ while( psz_parser && *psz_parser )
+ {
+ char *psz_subdir;
+ psz_subdir = psz_parser;
+ psz_parser = strchr( psz_subdir, ',' );
+ if( psz_parser )
+ {
+ *psz_parser = '\0';
+ psz_parser++;
+ while( *psz_parser == ' ' )
+ {
+ psz_parser++;
+ }
+ }
+ if( strlen( psz_subdir ) > 0 )
+ {
+ psz_temp = (char *)malloc( strlen(psz_dir)
+ + strlen(psz_subdir) + 2 );
+ if( psz_temp )
+ {
+ sprintf( psz_temp, "%s%s%c",
+ psz_subdir[0] == '.' ? psz_dir : "",
+ psz_subdir,
+ psz_subdir[strlen(psz_subdir) - 1] ==
+ DIRECTORY_SEPARATOR ? '\0' : DIRECTORY_SEPARATOR );
+ subdirs[i] = psz_temp;
+ i++;
+ }
+ }
+ }
+ subdirs[i] = NULL;
+ }
+ else
+ {
+ subdirs = NULL;
}
+ 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.
+ * subtitles files.
*
* \ingroup Demux
* \param p_this the calling \ref input_thread_t
- * \param psz_path a subdirectory to look into. This is not used atm.
- * \param psz_fname the complete filename to base the search on.
+ * \param psz_path a list of subdirectories (separated by a ',') to look in.
+ * \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 )
+char **subtitles_Detect( input_thread_t *p_this, char *psz_path,
+ 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;
-
- int len, i, j, i_sub_count;
- subfn *result; /* unsorted results */
- char **result2; /* sorted results */
-
- FILE *f;
- DIR *d;
- struct dirent *de;
+ vlc_value_t fuzzy;
+ int j, i_result2, i_dir_content, 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 ) +
- ( strlen( psz_path ) > 256 ? strlen( psz_path ) : 256 ) + 2;
+ char tmp_fname_noext[PATH_MAX];
+ char tmp_fname_trim[PATH_MAX];
+ char tmp_fname_ext[PATH_MAX];
- f_dir = (char*)malloc(len);
- f_fname = (char*)malloc(len);
- f_fname_noext = (char*)malloc(len);
- f_fname_trim = (char*)malloc(len);
+ struct dirent **pp_dir_content;
+ char **tmp_subdirs, **subdirs; /* list of subdirectories to look in */
- tmp_fname_noext = (char*)malloc(len);
- tmp_fname_trim = (char*)malloc(len);
- tmp_fname_ext = (char*)malloc(len);
+ subfn *result = NULL; /* unsorted results */
+ char **result2; /* sorted results */
- tmpresult = (char*)malloc(len);
+ char *psz_fname_original = strdup( psz_name );
+ char *psz_fname = psz_fname_original;
- result = (subfn*)malloc( sizeof(subfn) * MAX_SUBTITLE_FILES );
- memset( result, 0, sizeof(subfn) * MAX_SUBTITLE_FILES );
+ if( psz_fname == NULL ) return NULL;
+
+ if( !strncmp( psz_fname, "file://", 7 ) )
+ {
+ psz_fname += 7;
+ }
/* extract filename & dirname from psz_fname */
tmp = strrchr( psz_fname, DIRECTORY_SEPARATOR );
if( tmp )
{
- int pos;
- strcpy( f_fname, tmp + 1 );
- pos = tmp - psz_fname;
- strncpy( f_dir, psz_fname, pos + 1 );
- f_dir[pos + 1] = 0;
+ int dirlen = 0;
+
+ f_fname = malloc( strlen(tmp) );
+ if( f_fname )
+ strcpy( f_fname, tmp+1 ); // we skip the seperator, so it will still fit in the allocated space
+ dirlen = strlen(psz_fname) - strlen(tmp) + 1; // add the seperator
+ f_dir = malloc( dirlen + 1 );
+ if( f_dir )
+ {
+ strncpy( f_dir, psz_fname, dirlen );
+ f_dir[dirlen] = 0;
+ }
}
else
{
- strcpy( f_fname, psz_fname );
- strcpy( f_dir, "" );
+ /* Get the current working directory */
+#ifdef HAVE_UNISTD_H
+ f_dir = getcwd( NULL, 0 );
+#endif
+ if( f_dir == NULL )
+ {
+ if( psz_fname_original ) free( psz_fname_original );
+ return NULL;
+ }
+ 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 );
- for( j = 0; j <= 1; j++)
+ 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++)
{
- d = opendir( j == 0 ? f_dir : psz_path );
- if( d )
+ pp_dir_content = NULL;
+ i_dir_content = 0;
+
+ if( j < 0 && f_dir == NULL )
+ continue;
+
+ /* parse psz_src dir */
+ if( ( i_dir_content = scandir( j < 0 ? f_dir : *subdirs, &pp_dir_content, Filter,
+ NULL ) ) != -1 )
{
- int b_found;
- while( ( de = readdir( d ) ) )
+ int a;
+
+ msg_Dbg( p_this, "looking for a subtitle file in %s", j < 0 ? f_dir : *subdirs );
+ for( a = 0; a < i_dir_content; a++ )
{
- /* 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_trim( tmp_fname_trim, tmp_fname_noext );
-
- /* does it end with a subtitle extension? */
- b_found = 0;
- for( i = 0; sub_exts[i]; i++ )
+ int i_prio = 0;
+ struct dirent *p_dir_content = pp_dir_content[a];
+ char *psz_inUTF8 = FromLocale( p_dir_content->d_name );
+ char *p_fixed_name = vlc_fix_readdir_charset( p_this, psz_inUTF8 );
+
+ LocaleFree( psz_inUTF8 );
+
+ /* retrieve various parts of the filename */
+ strcpy_strip_ext( tmp_fname_noext, p_fixed_name );
+ strcpy_get_ext( tmp_fname_ext, p_fixed_name );
+ strcpy_trim( tmp_fname_trim, tmp_fname_noext );
+
+ 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;
- }
- }
-
- /* we have a (likely) subtitle file */
- if( b_found )
+ /* matches the movie name exactly */
+ i_prio = 4;
+ }
+ 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 ) == 0 )
+ /* contains the movie name */
+ tmp += strlen( f_fname_trim );
+ if( whiteonly( tmp ) )
{
- /* matches the movie name exactly */
- i_prio = 4;
- }
- if( !i_prio && ( tmp = strstr( tmp_fname_trim, f_fname_trim ) ) )
+ /* chars in front of the movie name */
+ i_prio = 2;
+ }
+ 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;
- }
- }
- if( !i_prio )
- {
- /* doesn't contain the movie name */
- if( j == 0 ) i_prio = 1;
- }
+ /* chars after (and possibly in front of)
+ * the movie name */
+ i_prio = 3;
+ }
+ }
+ if( !i_prio )
+ {
+ /* doesn't contain the movie name */
+ if( j == 0 ) i_prio = 1;
+ }
+ if( i_prio >= fuzzy.i_int )
+ {
+ FILE *f;
+ char *psz_UTF8_path;
+ char *psz_locale_path;
- if( i_prio >= SUB_FUZZY )
+ asprintf( &psz_UTF8_path, "%s%s", j < 0 ? f_dir : *subdirs, p_fixed_name );
+ psz_locale_path = ToLocale( psz_UTF8_path );
+ msg_Dbg( p_this, "autodetected subtitle: %s with priority %d", p_fixed_name, i_prio );
+ if( ( f = fopen( psz_locale_path, "rt" ) ) )
{
- sprintf( tmpresult, "%s%s", j == 0 ? f_dir : psz_path, 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++;
- }
- }
-
- }
- if( i_sub_count >= MAX_SUBTITLE_FILES ) break;
- }
- closedir( d );
- }
+ fclose( f );
+ LocaleFree( psz_locale_path );
+ result[i_sub_count].priority = i_prio;
+ result[i_sub_count].psz_fname = psz_UTF8_path;
+ result[i_sub_count].psz_ext = strdup(tmp_fname_ext);
+ i_sub_count++;
+ }
+ else
+ {
+ if( psz_UTF8_path ) free( psz_UTF8_path );
+ LocaleFree( psz_locale_path );
+ }
+ }
+ if( i_sub_count >= MAX_SUBTITLE_FILES ) break;
+ if( p_fixed_name ) free( p_fixed_name );
+ }
+ for( a = 0; a < i_dir_content; a++ )
+ if( pp_dir_content[a] ) free( pp_dir_content[a] );
+ if( pp_dir_content ) free( pp_dir_content );
+ }
+ if( j >= 0 ) if( *subdirs ) free( *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;
}
-