1 /*****************************************************************************
2 * vlc_input_item.h: Core input item
3 *****************************************************************************
4 * Copyright (C) 1999-2009 VLC authors and VideoLAN
7 * Authors: Christophe Massiot <massiot@via.ecp.fr>
8 * Laurent Aimar <fenrir@via.ecp.fr>
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU Lesser General Public License as published by
12 * the Free Software Foundation; either version 2.1 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this program; if not, write to the Free Software Foundation,
22 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 #ifndef VLC_INPUT_ITEM_H
26 #define VLC_INPUT_ITEM_H 1
30 * This file defines functions, structures and enums for input items in vlc
35 #include <vlc_events.h>
39 typedef struct input_item_opaque input_item_opaque_t
;
40 typedef struct input_item_slave input_item_slave_t
;
44 char *psz_name
; /**< Name of this info */
45 char *psz_value
; /**< Value of the info */
48 struct info_category_t
50 char *psz_name
; /**< Name of this category */
51 int i_infos
; /**< Number of infos in the category */
52 struct info_t
**pp_infos
; /**< Pointer to an array of infos */
56 * Describes an input and is used to spawn input_thread_t objects.
60 char *psz_name
; /**< text describing this item */
61 char *psz_uri
; /**< mrl of this item */
63 int i_options
; /**< Number of input options */
64 char **ppsz_options
; /**< Array of input options */
65 uint8_t *optflagv
; /**< Some flags of input options */
67 input_item_opaque_t
*opaques
; /**< List of opaque pointer values */
69 mtime_t i_duration
; /**< Duration in microseconds */
72 int i_categories
; /**< Number of info categories */
73 info_category_t
**pp_categories
; /**< Pointer to the first info category */
75 int i_es
; /**< Number of es format descriptions */
76 es_format_t
**es
; /**< Es formats */
78 input_stats_t
*p_stats
; /**< Statistics */
82 int i_epg
; /**< Number of EPG entries */
83 vlc_epg_t
**pp_epg
; /**< EPG entries */
84 int64_t i_epg_time
; /** EPG timedate as epoch time */
85 const vlc_epg_t
*p_epg_table
; /** running/selected program cur/next EPG table */
87 int i_slaves
; /**< Number of slaves */
88 input_item_slave_t
**pp_slaves
; /**< Slave entries that will be loaded by
91 vlc_event_manager_t event_manager
;
93 vlc_mutex_t lock
; /**< Lock for the item */
95 uint8_t i_type
; /**< Type (file, disc, ... see input_item_type_e) */
96 bool b_net
; /**< Net: always true for TYPE_STREAM, it
97 depends for others types */
98 bool b_error_when_reading
;/**< Error When Reading */
100 int i_preparse_depth
; /**< How many level of sub items can be preparsed:
101 -1: recursive, 0: none, >0: n levels */
103 bool b_preparse_interact
; /**< Force interaction with the user when
107 enum input_item_type_e
118 /* This one is not a real type but the number of input_item types. */
122 enum input_item_net_type
137 SLAVE_PRIORITY_MATCH_NONE
= 1,
138 SLAVE_PRIORITY_MATCH_RIGHT
,
139 SLAVE_PRIORITY_MATCH_LEFT
,
140 SLAVE_PRIORITY_MATCH_ALL
,
144 #define SLAVE_SPU_EXTENSIONS \
145 "idx", "sub", "srt", \
146 "ssa", "ass", "smi", \
147 "utf", "utf8", "utf-8", \
148 "rt", "aqt", "txt", \
149 "usf", "jss", "cdg", \
150 "psb", "mpsub","mpl2", \
151 "pjs", "dks", "stl", \
153 #define SLAVE_AUDIO_EXTENSIONS \
154 "ac3", "m4a", "aac", \
155 "eac3", "dtshd", "flac", \
158 struct input_item_slave
160 enum slave_type i_type
; /**< Slave type (spu, audio) */
161 enum slave_priority i_priority
; /**< Slave priority */
162 bool b_forced
; /**< Slave should be selected */
163 char psz_uri
[]; /**< Slave mrl */
166 struct input_item_node_t
168 input_item_t
* p_item
;
170 input_item_node_t
**pp_children
;
173 VLC_API
void input_item_CopyOptions( input_item_t
*p_child
, input_item_t
*p_parent
);
174 VLC_API
void input_item_SetName( input_item_t
*p_item
, const char *psz_name
);
177 * Start adding multiple subitems.
179 * Create a root node to hold a tree of subitems for given item
181 VLC_API input_item_node_t
* input_item_node_Create( input_item_t
*p_input
) VLC_USED
;
184 * Add a new child node to this parent node that will point to this subitem.
186 VLC_API input_item_node_t
* input_item_node_AppendItem( input_item_node_t
*p_node
, input_item_t
*p_item
);
189 * Add an already created node to children of this parent node.
191 VLC_API
void input_item_node_AppendNode( input_item_node_t
*p_parent
, input_item_node_t
*p_child
);
194 * Remove a node from its parent.
196 void input_item_node_RemoveNode( input_item_node_t
*parent
,
197 input_item_node_t
*child
);
200 * Delete a node created with input_item_node_Create() and all its children.
202 VLC_API
void input_item_node_Delete( input_item_node_t
*p_node
);
207 enum input_item_option_e
209 /* Allow VLC to trust the given option.
210 * By default options are untrusted */
211 VLC_INPUT_OPTION_TRUSTED
= 0x2,
213 /* Add the option, unless the same option
214 * is already present. */
215 VLC_INPUT_OPTION_UNIQUE
= 0x100,
219 * This function allows to add an option to an existing input_item_t.
221 VLC_API
int input_item_AddOption(input_item_t
*, const char *, unsigned i_flags
);
223 * This function add several options to an existing input_item_t.
225 VLC_API
int input_item_AddOptions(input_item_t
*, int i_options
,
226 const char *const *ppsz_options
,
228 VLC_API
int input_item_AddOpaque(input_item_t
*, const char *, void *);
230 void input_item_ApplyOptions(vlc_object_t
*, input_item_t
*);
232 VLC_API
bool input_item_slave_GetType(const char *, enum slave_type
*);
234 VLC_API input_item_slave_t
*input_item_slave_New(const char *, enum slave_type
,
235 enum slave_priority
);
236 #define input_item_slave_Delete(p_slave) free(p_slave)
239 * This function allows adding a slave to an existing input item.
240 * The slave is owned by the input item after this call.
242 VLC_API
int input_item_AddSlave(input_item_t
*, input_item_slave_t
*);
245 VLC_API
bool input_item_HasErrorWhenReading( input_item_t
* );
246 VLC_API
void input_item_SetMeta( input_item_t
*, vlc_meta_type_t meta_type
, const char *psz_val
);
247 VLC_API
bool input_item_MetaMatch( input_item_t
*p_i
, vlc_meta_type_t meta_type
, const char *psz
);
248 VLC_API
char * input_item_GetMeta( input_item_t
*p_i
, vlc_meta_type_t meta_type
) VLC_USED
;
249 VLC_API
char * input_item_GetName( input_item_t
* p_i
) VLC_USED
;
250 VLC_API
char * input_item_GetTitleFbName( input_item_t
* p_i
) VLC_USED
;
251 VLC_API
char * input_item_GetURI( input_item_t
* p_i
) VLC_USED
;
252 VLC_API
char * input_item_GetNowPlayingFb( input_item_t
*p_item
) VLC_USED
;
253 VLC_API
void input_item_SetURI( input_item_t
* p_i
, const char *psz_uri
);
254 VLC_API mtime_t
input_item_GetDuration( input_item_t
* p_i
);
255 VLC_API
void input_item_SetDuration( input_item_t
* p_i
, mtime_t i_duration
);
256 VLC_API
bool input_item_IsPreparsed( input_item_t
*p_i
);
257 VLC_API
bool input_item_IsArtFetched( input_item_t
*p_i
);
259 #define INPUT_META( name ) \
261 void input_item_Set ## name (input_item_t *p_input, const char *val) \
263 input_item_SetMeta (p_input, vlc_meta_ ## name, val); \
266 char *input_item_Get ## name (input_item_t *p_input) \
268 return input_item_GetMeta (p_input, vlc_meta_ ## name); \
273 INPUT_META(AlbumArtist
)
275 INPUT_META(Copyright
)
277 INPUT_META(TrackNumber
)
278 INPUT_META(Description
)
284 INPUT_META(NowPlaying
)
285 INPUT_META(ESNowPlaying
)
286 INPUT_META(Publisher
)
287 INPUT_META(EncodedBy
)
288 INPUT_META(ArtworkURL
)
290 INPUT_META(TrackTotal
)
296 INPUT_META(DiscNumber
)
298 #define input_item_SetTrackNum input_item_SetTrackNumber
299 #define input_item_GetTrackNum input_item_GetTrackNumber
300 #define input_item_SetArtURL input_item_SetArtworkURL
301 #define input_item_GetArtURL input_item_GetArtworkURL
303 VLC_API
char * input_item_GetInfo( input_item_t
*p_i
, const char *psz_cat
,const char *psz_name
) VLC_USED
;
304 VLC_API
int input_item_AddInfo( input_item_t
*p_i
, const char *psz_cat
, const char *psz_name
, const char *psz_format
, ... ) VLC_FORMAT( 4, 5 );
305 VLC_API
int input_item_DelInfo( input_item_t
*p_i
, const char *psz_cat
, const char *psz_name
);
306 VLC_API
void input_item_ReplaceInfos( input_item_t
*, info_category_t
* );
307 VLC_API
void input_item_MergeInfos( input_item_t
*, info_category_t
* );
310 * This function creates a new input_item_t with the provided information.
312 * XXX You may also use input_item_New, as they need less arguments.
314 VLC_API input_item_t
* input_item_NewExt( const char *psz_uri
,
315 const char *psz_name
,
316 mtime_t i_duration
, int i_type
,
317 enum input_item_net_type i_net
) VLC_USED
;
319 #define input_item_New( psz_uri, psz_name ) \
320 input_item_NewExt( psz_uri, psz_name, -1, ITEM_TYPE_UNKNOWN, ITEM_NET_UNKNOWN )
322 #define input_item_NewCard( psz_uri, psz_name ) \
323 input_item_NewExt( psz_uri, psz_name, -1, ITEM_TYPE_CARD, ITEM_LOCAL )
325 #define input_item_NewDisc( psz_uri, psz_name, i_duration ) \
326 input_item_NewExt( psz_uri, psz_name, i_duration, ITEM_TYPE_DISC, ITEM_LOCAL )
328 #define input_item_NewStream( psz_uri, psz_name, i_duration ) \
329 input_item_NewExt( psz_uri, psz_name, i_duration, ITEM_TYPE_STREAM, ITEM_NET )
331 #define input_item_NewDirectory( psz_uri, psz_name, i_net ) \
332 input_item_NewExt( psz_uri, psz_name, -1, ITEM_TYPE_DIRECTORY, i_net )
334 #define input_item_NewFile( psz_uri, psz_name, i_duration, i_net ) \
335 input_item_NewExt( psz_uri, psz_name, i_duration, ITEM_TYPE_FILE, i_net )
338 * This function creates a new input_item_t as a copy of another.
340 VLC_API input_item_t
* input_item_Copy(input_item_t
* ) VLC_USED
;
342 /** Holds an input item, i.e. creates a new reference. */
343 VLC_API input_item_t
*input_item_Hold(input_item_t
*);
345 /** Releases an input item, i.e. decrements its reference counter. */
346 VLC_API
void input_item_Release(input_item_t
*);
348 typedef enum input_item_meta_request_option_t
350 META_REQUEST_OPTION_NONE
= 0x00,
351 META_REQUEST_OPTION_SCOPE_LOCAL
= 0x01,
352 META_REQUEST_OPTION_SCOPE_NETWORK
= 0x02,
353 META_REQUEST_OPTION_SCOPE_ANY
= 0x03,
354 META_REQUEST_OPTION_DO_INTERACT
= 0x04
355 } input_item_meta_request_option_t
;
357 /* status of the vlc_InputItemPreparseEnded event */
358 enum input_item_preparse_status
360 ITEM_PREPARSE_SKIPPED
,
361 ITEM_PREPARSE_FAILED
,
362 ITEM_PREPARSE_TIMEOUT
,
366 VLC_API
int libvlc_MetadataRequest( libvlc_int_t
*, input_item_t
*,
367 input_item_meta_request_option_t
,
369 VLC_API
int libvlc_ArtRequest(libvlc_int_t
*, input_item_t
*,
370 input_item_meta_request_option_t
);
371 VLC_API
void libvlc_MetadataCancel( libvlc_int_t
*, void * );
381 int64_t i_read_packets
;
382 int64_t i_read_bytes
;
383 float f_input_bitrate
;
384 float f_average_input_bitrate
;
387 int64_t i_demux_read_packets
;
388 int64_t i_demux_read_bytes
;
389 float f_demux_bitrate
;
390 float f_average_demux_bitrate
;
391 int64_t i_demux_corrupted
;
392 int64_t i_demux_discontinuity
;
395 int64_t i_decoded_audio
;
396 int64_t i_decoded_video
;
399 int64_t i_displayed_pictures
;
400 int64_t i_lost_pictures
;
403 int64_t i_sent_packets
;
404 int64_t i_sent_bytes
;
405 float f_send_bitrate
;
408 int64_t i_played_abuffers
;
409 int64_t i_lost_abuffers
;