* This file contains functions to dectect subtitle files.
*/
+
#include <stdlib.h>
#include <vlc/vlc.h>
#include <vlc/input.h>
+#include "charset.h"
#ifdef HAVE_DIRENT_H
# include <dirent.h>
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 */
-
+
+
static void strcpy_trim( char *d, char *s )
{
/* skip leading whitespace */
*d = tolower(*s);
s++; d++;
}
- if (*s == 0) break;
+ if( *s == 0 ) break;
/* trim excess whitespace */
while( *s && !isalnum(*s) )
{
#endif
}
+/* Utility function for scandir */
+static int Filter( const struct dirent *p_dir_content )
+{
+ int i;
+ char *tmp;
+
+ 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**
*/
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 )
+ 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, i_result2;
+ int j, i_result2, i_dir_content, i_sub_count = 0, i_fname_len = 0;
+ char *f_dir, *f_fname, *f_fname_noext, *f_fname_trim;
+ char *tmp;
+
+ char tmp_fname_noext[PATH_MAX];
+ char tmp_fname_trim[PATH_MAX];
+ char tmp_fname_ext[PATH_MAX];
+
+ struct dirent **pp_dir_content;
+ char **tmp_subdirs, **subdirs; /* list of subdirectories to look in */
+
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;
+
+ char *psz_fname_original = strdup( psz_name );
+ char *psz_fname = psz_fname_original;
if( !strncmp( psz_fname, "file://", 7 ) )
{
psz_fname += 7;
}
-
- i_sub_count = 0;
- len = strlen( psz_fname ) > 256 ? strlen( psz_fname ) : 256;
-
- f_dir = (char*)malloc(len);
- f_fname = (char*)malloc(len);
- f_fname_noext = (char*)malloc(len);
- f_fname_trim = (char*)malloc(len);
-
- tmp_fname_noext = (char*)malloc(len);
- tmp_fname_trim = (char*)malloc(len);
- tmp_fname_ext = (char*)malloc(len);
-
- tmpresult = (char*)malloc(len);
-
- result = (subfn*)malloc( sizeof(subfn) * MAX_SUBTITLE_FILES );
- memset( result, 0, sizeof(subfn) * MAX_SUBTITLE_FILES );
-
+
/* extract filename & dirname from psz_fname */
tmp = strrchr( psz_fname, DIRECTORY_SEPARATOR );
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;
+ f_fname = malloc( strlen(tmp) );
+ strcpy( f_fname, tmp+1 ); // we skip the seperator, so it will still fit in the allocated space
+ dirlen = strlen(psz_fname) - strlen(tmp);
+ f_dir = malloc( dirlen + 1 );
+ strncpy( f_dir, psz_fname, dirlen + 1 );
+ f_dir[dirlen + 1] = 0;
}
else
{
- strncpy( f_fname, psz_fname, len - 1 );
- f_fname[len - 1] = 0;
- strcpy( f_dir, "" );
+ 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 );
- var_Get( p_this, "sub-autodetect-fuzzy", &fuzzy );
+ result = (subfn*)malloc( sizeof(subfn) * MAX_SUBTITLE_FILES );
+ 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 : *subdirs );
- if( d )
+ pp_dir_content = NULL;
+ i_dir_content = 0;
+
+ /* parse psz_src dir */
+ if( ( i_dir_content = scandir( j < 0 ? f_dir : *subdirs, &pp_dir_content, Filter,
+ NULL ) ) != -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", j < 0 ? f_dir : *subdirs );
+
+ for( a = 0; a < i_dir_content; a++ )
{
+ 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, de->d_name );
- strcpy_get_ext( tmp_fname_ext, de->d_name );
+ 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 );
-
- /* 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 ) )
- {
- /* matches the movie name exactly */
- i_prio = 4;
- }
- if( !i_prio &&
- ( tmp = strstr( tmp_fname_trim, f_fname_trim ) ) )
+ /* contains the movie name */
+ tmp += strlen( f_fname_trim );
+ if( whiteonly( tmp ) )
{
- /* 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 in front of the movie name */
+ i_prio = 2;
}
- if( !i_prio )
+ else
{
- /* 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 >= fuzzy.i_int )
+ }
+ if( !i_prio )
+ {
+ /* doesn't contain the movie name */
+ if( j == 0 ) i_prio = 1;
+ }
+ if( i_prio >= fuzzy.i_int )
+ {
+ FILE *f;
+ char *tmpresult;
+
+ asprintf( &tmpresult, "%s%s", j < 0 ? f_dir : *subdirs, p_fixed_name );
+ msg_Dbg( p_this, "autodetected subtitle: %s with priority %d", p_fixed_name, i_prio );
+ if( ( f = fopen( tmpresult, "rt" ) ) )
{
- 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);
- result[i_sub_count].psz_ext = strdup(tmp_fname_ext);
- i_sub_count++;
- }
- }
+ fclose( f );
+ result[i_sub_count].priority = i_prio;
+ result[i_sub_count].psz_fname = tmpresult;
+ result[i_sub_count].psz_ext = strdup(tmp_fname_ext);
+ i_sub_count++;
+ } else free( tmpresult );
}
if( i_sub_count >= MAX_SUBTITLE_FILES ) break;
+ free( p_fixed_name );
}
- closedir( d );
}
if( j >= 0 ) 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 ) );
i_result2 = 0;
- for( i = 0; i < i_sub_count; i++ )
+ for( j = 0; j < i_sub_count; j++ )
{
- if( result[i].psz_ext && !strcasecmp( result[i].psz_ext, "sub" ) )
+ if( result[j].psz_ext && !strcasecmp( result[j].psz_ext, "sub" ) )
{
- int j;
- for( j = 0; j < i_sub_count; j++ )
+ int i;
+ for( i = 0; i < i_sub_count; i++ )
{
- if( result[j].psz_fname && result[i].psz_fname &&
- !strncasecmp( result[i].psz_fname, result[j].psz_fname, sizeof( result[i].psz_fname) - 4 ) &&
- !strcasecmp( result[j].psz_ext, "idx" ) )
+ 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( j >= i_sub_count )
+ if( i >= i_sub_count )
{
- result2[i_result2] = result[i].psz_fname;
+ result2[i_result2] = result[j].psz_fname;
i_result2++;
}
}
else
{
- result2[i_result2] = result[i].psz_fname;
+ result2[i_result2] = result[j].psz_fname;
i_result2++;
}
}
+
+ free( psz_fname_original );
free( result );
return result2;
}
projects / vlc / commitdiff