1 /*****************************************************************************
2 * vlc_input_item.h: Core input item
3 *****************************************************************************
4 * Copyright (C) 1999-2009 the VideoLAN team
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
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 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 General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, 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 /*****************************************************************************
40 * input_item_t: Describes an input and is used to spawn input_thread_t objects
41 *****************************************************************************/
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 */
58 int i_id; /**< Identifier of the item */
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 */
68 mtime_t i_duration; /**< Duration in microseconds */
71 int i_categories; /**< Number of info categories */
72 info_category_t **pp_categories; /**< Pointer to the first info category */
74 int i_es; /**< Number of es format descriptions */
75 es_format_t **es; /**< Es formats */
77 input_stats_t *p_stats; /**< Statistics */
78 int i_nb_played; /**< Number of times played */
82 int i_epg; /**< Number of EPG entries */
83 vlc_epg_t **pp_epg; /**< EPG entries */
85 vlc_event_manager_t event_manager;
87 vlc_mutex_t lock; /**< Lock for the item */
89 uint8_t i_type; /**< Type (file, disc, ... see input_item_type_e) */
90 bool b_fixed_name; /**< Can the interface change the name ?*/
91 bool b_error_when_reading;/**< Error When Reading */
94 enum input_item_type_e
106 /* This one is not a real type but the number of input_item types. */
110 struct input_item_node_t
112 input_item_t * p_item;
114 input_item_node_t **pp_children;
115 input_item_node_t *p_parent;
118 VLC_EXPORT( void, input_item_CopyOptions, ( input_item_t *p_parent, input_item_t *p_child ) );
119 VLC_EXPORT( void, input_item_SetName, ( input_item_t *p_item, const char *psz_name ) );
122 * Add one subitem to this item
124 * This won't hold the item, but can tell to interested third parties
125 * Like the playlist, that there is a new sub item. With this design
126 * It is not the input item's responsability to keep all the ref of
127 * the input item children.
129 * Sends a vlc_InputItemSubItemTreeAdded and a vlc_InputItemSubItemAdded event
131 VLC_EXPORT( void, input_item_PostSubItem, ( input_item_t *p_parent, input_item_t *p_child ) );
134 * Start adding multiple subitems.
136 * Create a root node to hold a tree of subitems for given item
138 VLC_EXPORT( input_item_node_t *, input_item_node_Create, ( input_item_t *p_input ) LIBVLC_USED );
141 * Add a new child node to this parent node that will point to this subitem.
143 VLC_EXPORT( input_item_node_t *, input_item_node_AppendItem, ( input_item_node_t *p_node, input_item_t *p_item ) );
146 * Add an already created node to children of this parent node.
148 VLC_EXPORT( void, input_item_node_AppendNode, ( input_item_node_t *p_parent, input_item_node_t *p_child ) );
151 * Delete a node created with input_item_node_Create() and all its children.
153 VLC_EXPORT( void, input_item_node_Delete, ( input_item_node_t *p_node ) );
156 * End adding multiple subitems.
158 * Sends a vlc_InputItemSubItemTreeAdded event to notify that the item pointed to
159 * by the given root node has created new subitems that are pointed to by all the
160 * children of the node.
162 * Also sends vlc_InputItemSubItemAdded event for every child under the given root node;
164 * In the end deletes the node and all its children nodes.
166 VLC_EXPORT( void, input_item_node_PostAndDelete, ( input_item_node_t *p_node ) );
172 enum input_item_option_e
174 /* Allow VLC to trust the given option.
175 * By default options are untrusted */
176 VLC_INPUT_OPTION_TRUSTED = 0x2,
178 /* Change the value associated to an option if already present, otherwise
180 VLC_INPUT_OPTION_UNIQUE = 0x100,
184 * This function allows to add an option to an existing input_item_t.
186 VLC_EXPORT( int, input_item_AddOption, (input_item_t *, const char *, unsigned i_flags ) );
189 VLC_EXPORT( bool, input_item_HasErrorWhenReading, ( input_item_t * ) );
190 VLC_EXPORT( void, input_item_SetMeta, ( input_item_t *, vlc_meta_type_t meta_type, const char *psz_val ));
191 VLC_EXPORT( bool, input_item_MetaMatch, ( input_item_t *p_i, vlc_meta_type_t meta_type, const char *psz ) );
192 VLC_EXPORT( char *, input_item_GetMeta, ( input_item_t *p_i, vlc_meta_type_t meta_type ) LIBVLC_USED );
193 VLC_EXPORT( char *, input_item_GetName, ( input_item_t * p_i ) LIBVLC_USED );
194 VLC_EXPORT( char *, input_item_GetTitleFbName, ( input_item_t * p_i ) LIBVLC_USED );
195 VLC_EXPORT( char *, input_item_GetURI, ( input_item_t * p_i ) LIBVLC_USED );
196 VLC_EXPORT( void, input_item_SetURI, ( input_item_t * p_i, const char *psz_uri ) );
197 VLC_EXPORT(mtime_t, input_item_GetDuration, ( input_item_t * p_i ) );
198 VLC_EXPORT( void, input_item_SetDuration, ( input_item_t * p_i, mtime_t i_duration ));
199 VLC_EXPORT( bool, input_item_IsPreparsed, ( input_item_t *p_i ));
200 VLC_EXPORT( bool, input_item_IsArtFetched, ( input_item_t *p_i ));
202 #define INPUT_META( name ) \
204 void input_item_Set ## name (input_item_t *p_input, const char *val) \
206 input_item_SetMeta (p_input, vlc_meta_ ## name, val); \
209 char *input_item_Get ## name (input_item_t *p_input) \
211 return input_item_GetMeta (p_input, vlc_meta_ ## name); \
217 INPUT_META(Copyright)
219 INPUT_META(TrackNumber)
220 INPUT_META(Description)
226 INPUT_META(NowPlaying)
227 INPUT_META(Publisher)
228 INPUT_META(EncodedBy)
229 INPUT_META(ArtworkURL)
232 #define input_item_SetTrackNum input_item_SetTrackNumber
233 #define input_item_GetTrackNum input_item_GetTrackNumber
234 #define input_item_SetArtURL input_item_SetArtworkURL
235 #define input_item_GetArtURL input_item_GetArtworkURL
237 VLC_EXPORT( char *, input_item_GetInfo, ( input_item_t *p_i, const char *psz_cat,const char *psz_name ) LIBVLC_USED );
238 VLC_EXPORT( int, input_item_AddInfo, ( input_item_t *p_i, const char *psz_cat, const char *psz_name, const char *psz_format, ... ) LIBVLC_FORMAT( 4, 5 ) );
239 VLC_EXPORT( int, input_item_DelInfo, ( input_item_t *p_i, const char *psz_cat, const char *psz_name ) );
240 VLC_EXPORT( void, input_item_ReplaceInfos, ( input_item_t *, info_category_t * ) );
241 VLC_EXPORT( void, input_item_MergeInfos, ( input_item_t *, info_category_t * ) );
244 * This function creates a new input_item_t with the provided information.
246 * XXX You may also use input_item_New or input_item_NewExt as they need
249 VLC_EXPORT( input_item_t *, input_item_NewWithType, ( vlc_object_t *, const char *psz_uri, const char *psz_name, int i_options, const char *const *ppsz_options, unsigned i_option_flags, mtime_t i_duration, int i_type ) LIBVLC_USED );
252 * This function creates a new input_item_t with the provided information.
254 * Provided for convenience.
256 VLC_EXPORT( input_item_t *, input_item_NewExt, (vlc_object_t *, const char *psz_uri, const char *psz_name, int i_options, const char *const *ppsz_options, unsigned i_option_flags, mtime_t i_duration ) LIBVLC_USED );
257 #define input_item_NewExt(a,b,c,d,e,f,g) input_item_NewExt( VLC_OBJECT(a),b,c,d,e,f,g)
260 * This function creates a new input_item_t with the provided information.
262 * Provided for convenience.
264 #define input_item_New( a,b,c ) input_item_NewExt( a, b, c, 0, NULL, 0, -1 )
267 * This function creates a new input_item_t as a copy of another.
269 VLC_EXPORT( input_item_t *, input_item_Copy, (vlc_object_t *, input_item_t * ) LIBVLC_USED );
280 int64_t i_read_packets;
281 int64_t i_read_bytes;
282 float f_input_bitrate;
283 float f_average_input_bitrate;
286 int64_t i_demux_read_packets;
287 int64_t i_demux_read_bytes;
288 float f_demux_bitrate;
289 float f_average_demux_bitrate;
290 int64_t i_demux_corrupted;
291 int64_t i_demux_discontinuity;
294 int64_t i_decoded_audio;
295 int64_t i_decoded_video;
298 int64_t i_displayed_pictures;
299 int64_t i_lost_pictures;
302 int64_t i_sent_packets;
303 int64_t i_sent_bytes;
304 float f_send_bitrate;
307 int64_t i_played_abuffers;
308 int64_t i_lost_abuffers;