1 /*****************************************************************************
2 * gnomevfs.c: GnomeVFS input
3 *****************************************************************************
4 * Copyright (C) 2005 the VideoLAN team
7 * Authors: Benjamin Pracht <bigben -AT- videolan -DOT- org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
28 #include <vlc_access.h>
30 #include <libgnomevfs/gnome-vfs.h>
36 #include <vlc_charset.h>
39 /*****************************************************************************
41 *****************************************************************************/
42 static int Open ( vlc_object_t * );
43 static void Close( vlc_object_t * );
45 #define CACHING_TEXT N_("Caching value in ms")
46 #define CACHING_LONGTEXT N_( \
47 "Caching value for GnomeVFS streams."\
48 "This value should be set in milliseconds." )
51 set_description( _("GnomeVFS input") );
52 set_shortname( "GnomeVFS" );
53 set_category( CAT_INPUT );
54 set_subcategory( SUBCAT_INPUT_ACCESS );
55 add_integer( "gnomevfs-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
56 set_capability( "access2", 10 );
57 add_shortcut( "gnomevfs" );
58 set_callbacks( Open, Close );
62 /*****************************************************************************
64 *****************************************************************************/
65 static int Seek( access_t *, int64_t );
66 static int Read( access_t *, uint8_t *, int );
67 static int Control( access_t *, int, va_list );
71 unsigned int i_nb_reads;
74 GnomeVFSHandle *p_handle;
75 GnomeVFSFileInfo *p_file_info;
78 vlc_bool_t b_seekable;
79 vlc_bool_t b_pace_control;
82 /*****************************************************************************
84 *****************************************************************************/
85 static int Open( vlc_object_t *p_this )
87 access_t *p_access = (access_t*)p_this;
88 access_sys_t *p_sys = NULL;
89 char *psz_name = NULL;
92 char *psz_unescaped = NULL;
93 char *psz_expand_tilde = NULL;
94 GnomeVFSURI *p_uri = NULL;
96 GnomeVFSHandle *p_handle = NULL;
97 if( !(gnome_vfs_init()) )
99 msg_Warn( p_access, "couldn't initilize GnomeVFS" );
104 Since GnomeVFS segfaults on exit if we initialize it without trying to
105 open a file with a valid protocol, try to open at least file:// */
106 gnome_vfs_open( &p_handle, "file://", 5 );
108 STANDARD_READ_ACCESS_INIT;
110 p_sys->p_handle = p_handle;
111 p_sys->i_nb_reads = 0;
112 p_sys->b_pace_control = VLC_TRUE;
114 if( strcmp( "gnomevfs", p_access->psz_access ) &&
115 *(p_access->psz_access) != '\0')
117 psz_name = malloc( strlen( p_access->psz_access ) +
118 strlen( p_access->psz_path ) + 4 );
119 sprintf( psz_name, "%s://%s", p_access->psz_access,
120 p_access->psz_path );
124 psz_name = strdup( p_access->psz_path );
126 psz = ToLocale( psz_name );
127 psz_expand_tilde = gnome_vfs_expand_initial_tilde( psz );
130 psz_unescaped = gnome_vfs_make_uri_from_shell_arg( psz_expand_tilde );
132 /* gnome_vfs_make_uri_from_shell_arg will only escape the uri
133 for relative paths. So we need to use
134 gnome_vfs_escape_host_and_path_string in other cases. */
136 if( !strcmp( psz_unescaped, psz_expand_tilde ) )
138 /* Now we are sure that we have a complete valid unescaped URI beginning
139 with the protocol. We want to escape it. However, gnomevfs's escaping
140 function are broken and will try to escape characters un the username/
141 password field. So parse the URI with vlc_UrlParse ans only escape the
145 char *psz_escaped_path;
146 char *psz_path_begin;
148 vlc_UrlParse( &url, psz_unescaped, 0 );
149 psz_escaped_path = gnome_vfs_escape_path_string( url.psz_path );
151 if( psz_escaped_path )
153 /* Now let's reconstruct a valid URI from all that stuff */
154 psz_path_begin = psz_unescaped + strlen( psz_unescaped )
155 - strlen( url.psz_path );
156 *psz_path_begin = '\0';
157 psz_uri = malloc( strlen( psz_unescaped ) +
158 strlen( psz_escaped_path ) + 1 );
159 sprintf( psz_uri, "%s%s",psz_unescaped, psz_escaped_path );
161 g_free( psz_escaped_path );
162 g_free( psz_unescaped );
166 psz_uri = psz_unescaped;
171 psz_uri = psz_unescaped;
174 g_free( psz_expand_tilde );
175 p_uri = gnome_vfs_uri_new( psz_uri );
178 p_sys->p_file_info = gnome_vfs_file_info_new();
179 i_ret = gnome_vfs_get_file_info_uri( p_uri,
180 p_sys->p_file_info, 8 );
184 msg_Warn( p_access, "cannot get file info for uri %s (%s)",
185 psz_uri, gnome_vfs_result_to_string( i_ret ) );
186 gnome_vfs_file_info_unref( p_sys->p_file_info );
187 gnome_vfs_uri_unref( p_uri);
196 msg_Warn( p_access, "cannot parse MRL %s or unsupported protocol", psz_name );
203 msg_Dbg( p_access, "opening file `%s'", psz_uri );
204 i_ret = gnome_vfs_open( &(p_sys->p_handle), psz_uri, 5 );
207 msg_Warn( p_access, "cannot open file %s: %s", psz_uri,
208 gnome_vfs_result_to_string( i_ret ) );
210 gnome_vfs_uri_unref( p_uri);
217 if (GNOME_VFS_FILE_INFO_LOCAL( p_sys->p_file_info ))
219 p_sys->b_local = VLC_TRUE;
222 if( p_sys->p_file_info->type == GNOME_VFS_FILE_TYPE_REGULAR ||
223 p_sys->p_file_info->type == GNOME_VFS_FILE_TYPE_CHARACTER_DEVICE ||
224 p_sys->p_file_info->type == GNOME_VFS_FILE_TYPE_BLOCK_DEVICE )
226 p_sys->b_seekable = VLC_TRUE;
227 p_access->info.i_size = (int64_t)(p_sys->p_file_info->size);
229 else if( p_sys->p_file_info->type == GNOME_VFS_FILE_TYPE_FIFO
230 || p_sys->p_file_info->type == GNOME_VFS_FILE_TYPE_SOCKET )
232 p_sys->b_seekable = VLC_FALSE;
236 msg_Err( p_access, "unknown file type for `%s'", psz_name );
240 if( p_sys->b_seekable && !p_access->info.i_size )
242 /* FIXME that's bad because all others access will be probed */
243 msg_Warn( p_access, "file %s is empty, aborting", psz_name );
244 gnome_vfs_file_info_unref( p_sys->p_file_info );
245 gnome_vfs_uri_unref( p_uri);
252 /* Update default_pts to a suitable value for file access */
253 var_Create( p_access, "gnomevfs-caching",
254 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
257 p_sys->psz_name = psz_name;
258 gnome_vfs_uri_unref( p_uri);
262 /*****************************************************************************
263 * Close: close the target
264 *****************************************************************************/
265 static void Close( vlc_object_t * p_this )
267 access_t *p_access = (access_t*)p_this;
268 access_sys_t *p_sys = p_access->p_sys;
271 i_result = gnome_vfs_close( p_sys->p_handle );
274 msg_Err( p_access, "cannot close %s: %s", p_sys->psz_name,
275 gnome_vfs_result_to_string( i_result ) );
278 gnome_vfs_file_info_unref( p_sys->p_file_info );
280 free( p_sys->psz_name );
284 /*****************************************************************************
285 * Read: standard read on a file descriptor.
286 *****************************************************************************/
287 static int Read( access_t *p_access, uint8_t *p_buffer, int i_len )
289 access_sys_t *p_sys = p_access->p_sys;
290 GnomeVFSFileSize i_read_len;
293 i_ret = gnome_vfs_read( p_sys->p_handle, p_buffer,
294 (GnomeVFSFileSize)i_len, &i_read_len );
297 p_access->info.b_eof = VLC_TRUE;
298 if( i_ret != GNOME_VFS_ERROR_EOF )
300 msg_Err( p_access, "read failed (%s)",
301 gnome_vfs_result_to_string( i_ret ) );
307 if( p_access->info.i_size != 0 &&
308 (p_sys->i_nb_reads % INPUT_FSTAT_NB_READS) == 0 &&
311 gnome_vfs_file_info_clear( p_sys->p_file_info );
312 i_ret = gnome_vfs_get_file_info_from_handle( p_sys->p_handle,
313 p_sys->p_file_info, 8 );
316 msg_Warn( p_access, "couldn't get file properties again (%s)",
317 gnome_vfs_result_to_string( i_ret ) );
321 p_access->info.i_size = (int64_t)(p_sys->p_file_info->size);
326 p_access->info.i_pos += (int64_t)i_read_len;
328 /* Some Acces (http) never return EOF and loop on the file */
329 if( p_access->info.i_pos > p_access->info.i_size )
331 p_access->info.b_eof = VLC_TRUE;
334 return (int)i_read_len;
337 /*****************************************************************************
338 * Seek: seek to a specific location in a file
339 *****************************************************************************/
340 static int Seek( access_t *p_access, int64_t i_pos )
342 access_sys_t *p_sys = p_access->p_sys;
345 i_ret = gnome_vfs_seek( p_sys->p_handle, GNOME_VFS_SEEK_START,
346 (GnomeVFSFileOffset)i_pos);
349 p_access->info.i_pos = i_pos;
353 GnomeVFSFileSize i_offset;
354 msg_Err( p_access, "cannot seek (%s)",
355 gnome_vfs_result_to_string( i_ret ) );
356 i_ret = gnome_vfs_tell( p_sys->p_handle, &i_offset );
359 msg_Err( p_access, "cannot tell the current position (%s)",
360 gnome_vfs_result_to_string( i_ret ) );
365 p_access->info.b_eof = VLC_FALSE;
371 /*****************************************************************************
373 *****************************************************************************/
374 static int Control( access_t *p_access, int i_query, va_list args )
376 access_sys_t *p_sys = p_access->p_sys;
384 case ACCESS_CAN_SEEK:
385 case ACCESS_CAN_FASTSEEK:
386 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
387 *pb_bool = p_sys->b_seekable;
390 case ACCESS_CAN_PAUSE:
391 case ACCESS_CAN_CONTROL_PACE:
392 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
393 *pb_bool = p_sys->b_pace_control;
398 pi_int = (int*)va_arg( args, int * );
402 case ACCESS_GET_PTS_DELAY:
403 pi_64 = (int64_t*)va_arg( args, int64_t * );
404 *pi_64 = var_GetInteger( p_access,
405 "gnomevfs-caching" ) * I64C(1000);
409 case ACCESS_SET_PAUSE_STATE:
413 case ACCESS_GET_TITLE_INFO:
414 case ACCESS_SET_TITLE:
415 case ACCESS_SET_SEEKPOINT:
416 case ACCESS_SET_PRIVATE_ID_STATE:
417 case ACCESS_GET_META:
421 msg_Warn( p_access, "unimplemented query in control" );