include/vlc_input.h

   1 /*****************************************************************************
   2  * vlc_input.h: Core input structures
   3  *****************************************************************************
   4  * Copyright (C) 1999-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Christophe Massiot <massiot@via.ecp.fr>
   8  *          Laurent Aimar <fenrir@via.ecp.fr>
   9  *
  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.
  14  *
  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.
  19  *
  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  *****************************************************************************/
  24
  25 /* __ is need because conflict with <vlc/input.h> */
  26 #ifndef VLC__INPUT_H
  27 #define VLC__INPUT_H 1
  28
  29 /**
  30  * \file
  31  * This file defines functions, structures and enums for input objects in vlc
  32  */
  33
  34 #include <vlc_es.h>
  35 #include <vlc_meta.h>
  36 #include <vlc_epg.h>
  37 #include <vlc_events.h>
  38
  39 #include <string.h>                                     /* strcasestr() */
  40
  41 struct vlc_meta_t;
  42
  43 /*****************************************************************************
  44  * input_item_t: Describes an input and is used to spawn input_thread_t objects
  45  *****************************************************************************/
  46 struct info_t
  47 {
  48     char *psz_name;            /**< Name of this info */
  49     char *psz_value;           /**< Value of the info */
  50 };
  51
  52 struct info_category_t
  53 {
  54     char   *psz_name;      /**< Name of this category */
  55     int    i_infos;        /**< Number of infos in the category */
  56     struct info_t **pp_infos;     /**< Pointer to an array of infos */
  57 };
  58
  59 struct input_item_t
  60 {
  61     VLC_GC_MEMBERS
  62     int        i_id;                 /**< Identifier of the item */
  63
  64     char       *psz_name;            /**< text describing this item */
  65     char       *psz_uri;             /**< mrl of this item */
  66     bool       b_fixed_name;        /**< Can the interface change the name ?*/
  67
  68     int        i_options;            /**< Number of input options */
  69     char       **ppsz_options;       /**< Array of input options */
  70     uint8_t    *optflagv;            /**< Some flags of input options */
  71     unsigned   optflagc;
  72
  73     mtime_t    i_duration;           /**< Duration in milliseconds*/
  74
  75     uint8_t    i_type;               /**< Type (file, disc, ...) */
  76
  77     int        i_categories;         /**< Number of info categories */
  78     info_category_t **pp_categories; /**< Pointer to the first info category */
  79
  80     int         i_es;                /**< Number of es format descriptions */
  81     es_format_t **es;                /**< Es formats */
  82
  83     input_stats_t *p_stats;          /**< Statistics */
  84     int           i_nb_played;       /**< Number of times played */
  85
  86     bool          b_error_when_reading;       /**< Error When Reading */
  87
  88     vlc_meta_t *p_meta;
  89
  90     vlc_event_manager_t event_manager;
  91
  92     vlc_mutex_t lock;                 /**< Lock for the item */
  93 };
  94
  95 #define ITEM_TYPE_UNKNOWN       0
  96 #define ITEM_TYPE_FILE          1
  97 #define ITEM_TYPE_DIRECTORY     2
  98 #define ITEM_TYPE_DISC          3
  99 #define ITEM_TYPE_CDDA          4
 100 #define ITEM_TYPE_CARD          5
 101 #define ITEM_TYPE_NET           6
 102 #define ITEM_TYPE_PLAYLIST      7
 103 #define ITEM_TYPE_NODE          8
 104 #define ITEM_TYPE_NUMBER        9
 105
 106 VLC_EXPORT( void, input_item_CopyOptions, ( input_item_t *p_parent, input_item_t *p_child ) );
 107 VLC_EXPORT( void, input_item_SetName, ( input_item_t *p_item, const char *psz_name ) );
 108
 109 /* This won't hold the item, but can tell to interested third parties
 110  * Like the playlist, that there is a new sub item. With this design
 111  * It is not the input item's responsability to keep all the ref of
 112  * the input item children. */
 113 VLC_EXPORT( void, input_item_AddSubItem, ( input_item_t *p_parent, input_item_t *p_child ) );
 114
 115
 116 /* Flags handled past input_item_AddOpt() */
 117 #define VLC_INPUT_OPTION_TRUSTED 0x2
 118
 119 /* Flags handled within input_item_AddOpt() */
 120 #define VLC_INPUT_OPTION_UNIQUE  0x100
 121
 122 VLC_EXPORT( int, input_item_AddOpt, ( input_item_t *, const char *str, unsigned flags ) );
 123 VLC_EXPORT( int, input_item_AddOption, (input_item_t *item, const char *str) );
 124 VLC_EXPORT( int ,input_item_AddOption, (input_item_t *item, const char *str) );
 125 VLC_EXPORT( bool,input_item_HasErrorWhenReading, (input_item_t *item) );
 126 VLC_EXPORT( void, input_item_SetMeta, ( input_item_t *p_i, vlc_meta_type_t meta_type, const char *psz_val ));
 127
 128 VLC_EXPORT( bool,input_item_HasErrorWhenReading, (input_item_t *item) );
 129
 130 VLC_EXPORT( bool,input_item_MetaMatch, ( input_item_t *p_i, vlc_meta_type_t meta_type, const char *psz ) );
 131 VLC_EXPORT( char *, input_item_GetMeta, ( input_item_t *p_i, vlc_meta_type_t meta_type ) );
 132 VLC_EXPORT( char *, input_item_GetName, ( input_item_t * p_i ) );
 133 VLC_EXPORT( char *, input_item_GetURI, ( input_item_t * p_i ) );
 134 VLC_EXPORT( void,   input_item_SetURI, ( input_item_t * p_i, char * psz_uri ));
 135 VLC_EXPORT(mtime_t, input_item_GetDuration, ( input_item_t * p_i ) );
 136 VLC_EXPORT( void,   input_item_SetDuration, ( input_item_t * p_i, mtime_t i_duration ));
 137 VLC_EXPORT( bool,   input_item_IsPreparsed, ( input_item_t *p_i ));
 138 VLC_EXPORT( bool,   input_item_IsArtFetched, ( input_item_t *p_i ));
 139 VLC_EXPORT( const vlc_meta_t *, input_item_GetMetaObject, ( input_item_t *p_i ));
 140 VLC_EXPORT( void,   input_item_MetaMerge, ( input_item_t *p_i, const vlc_meta_t * p_new_meta ));
 141
 142
 143 #define input_item_SetTitle( item, b )       input_item_SetMeta( item, vlc_meta_Title, b )
 144 #define input_item_SetArtist( item, b )      input_item_SetMeta( item, vlc_meta_Artist, b )
 145 #define input_item_SetGenre( item, b )       input_item_SetMeta( item, vlc_meta_Genre, b )
 146 #define input_item_SetCopyright( item, b )   input_item_SetMeta( item, vlc_meta_Copyright, b )
 147 #define input_item_SetAlbum( item, b )       input_item_SetMeta( item, vlc_meta_Album, b )
 148 #define input_item_SetTrackNum( item, b )    input_item_SetMeta( item, vlc_meta_TrackNumber, b )
 149 #define input_item_SetDescription( item, b ) input_item_SetMeta( item, vlc_meta_Description, b )
 150 #define input_item_SetRating( item, b )      input_item_SetMeta( item, vlc_meta_Rating, b )
 151 #define input_item_SetDate( item, b )        input_item_SetMeta( item, vlc_meta_Date, b )
 152 #define input_item_SetSetting( item, b )     input_item_SetMeta( item, vlc_meta_Setting, b )
 153 #define input_item_SetURL( item, b )         input_item_SetMeta( item, vlc_meta_URL, b )
 154 #define input_item_SetLanguage( item, b )    input_item_SetMeta( item, vlc_meta_Language, b )
 155 #define input_item_SetNowPlaying( item, b )  input_item_SetMeta( item, vlc_meta_NowPlaying, b )
 156 #define input_item_SetPublisher( item, b )   input_item_SetMeta( item, vlc_meta_Publisher, b )
 157 #define input_item_SetEncodedBy( item, b )   input_item_SetMeta( item, vlc_meta_EncodedBy, b )
 158 #define input_item_SetArtURL( item, b )      input_item_SetMeta( item, vlc_meta_ArtworkURL, b )
 159 #define input_item_SetTrackID( item, b )     input_item_SetMeta( item, vlc_meta_TrackID, b )
 160
 161 #define input_item_GetTitle( item )          input_item_GetMeta( item, vlc_meta_Title )
 162 #define input_item_GetArtist( item )         input_item_GetMeta( item, vlc_meta_Artist )
 163 #define input_item_GetGenre( item )          input_item_GetMeta( item, vlc_meta_Genre )
 164 #define input_item_GetCopyright( item )      input_item_GetMeta( item, vlc_meta_Copyright )
 165 #define input_item_GetAlbum( item )          input_item_GetMeta( item, vlc_meta_Album )
 166 #define input_item_GetTrackNum( item )       input_item_GetMeta( item, vlc_meta_TrackNumber )
 167 #define input_item_GetDescription( item )    input_item_GetMeta( item, vlc_meta_Description )
 168 #define input_item_GetRating( item )         input_item_GetMeta( item, vlc_meta_Rating )
 169 #define input_item_GetDate( item )           input_item_GetMeta( item, vlc_meta_Date )
 170 #define input_item_GetGetting( item )        input_item_GetMeta( item, vlc_meta_Getting )
 171 #define input_item_GetURL( item )            input_item_GetMeta( item, vlc_meta_URL )
 172 #define input_item_GetLanguage( item )       input_item_GetMeta( item, vlc_meta_Language )
 173 #define input_item_GetNowPlaying( item )     input_item_GetMeta( item, vlc_meta_NowPlaying )
 174 #define input_item_GetPublisher( item )      input_item_GetMeta( item, vlc_meta_Publisher )
 175 #define input_item_GetEncodedBy( item )      input_item_GetMeta( item, vlc_meta_EncodedBy )
 176 #define input_item_GetArtURL( item )         input_item_GetMeta( item, vlc_meta_ArtworkURL )
 177 #define input_item_GetTrackID( item )        input_item_GetMeta( item, vlc_meta_TrackID )
 178 #define input_item_GetSetting( item )        input_item_GetMeta( item, vlc_meta_Setting )
 179
 180 VLC_EXPORT( char *, input_item_GetInfo, ( input_item_t *p_i, const char *psz_cat,const char *psz_name ) );
 181 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 ) );
 182
 183 #define input_item_New( a,b,c ) input_item_NewExt( a, b, c, 0, NULL, -1 )
 184 #define input_item_NewExt(a,b,c,d,e,f) __input_item_NewExt( VLC_OBJECT(a),b,c,d,e,f)
 185 VLC_EXPORT( input_item_t *, __input_item_NewExt, (vlc_object_t *, const char *, const char*, int, const char *const *, mtime_t i_duration )  );
 186 VLC_EXPORT( input_item_t *, input_item_NewWithType, ( vlc_object_t *, const char *, const char *e, int, const char *const *, mtime_t i_duration, int ) );
 187
 188 #define input_item_GetById(a,b) __input_item_GetById( VLC_OBJECT(a),b )
 189 VLC_EXPORT( input_item_t *, __input_item_GetById, (vlc_object_t *, int ) );
 190
 191 /*****************************************************************************
 192  * Meta data helpers
 193  *****************************************************************************/
 194 static inline void vlc_audio_replay_gain_MergeFromMeta( audio_replay_gain_t *p_dst,
 195                                                         const vlc_meta_t *p_meta )
 196 {
 197     char * psz_value;
 198
 199     if( !p_meta )
 200         return;
 201
 202     if( (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "REPLAYGAIN_TRACK_GAIN" )) ||
 203         (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "RG_RADIO" )) )
 204     {
 205         p_dst->pb_gain[AUDIO_REPLAY_GAIN_TRACK] = true;
 206         p_dst->pf_gain[AUDIO_REPLAY_GAIN_TRACK] = atof( psz_value );
 207     }
 208     else if( (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "REPLAYGAIN_TRACK_PEAK" )) ||
 209              (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "RG_PEAK" )) )
 210     {
 211         p_dst->pb_peak[AUDIO_REPLAY_GAIN_TRACK] = true;
 212         p_dst->pf_peak[AUDIO_REPLAY_GAIN_TRACK] = atof( psz_value );
 213     }
 214     else if( (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "REPLAYGAIN_ALBUM_GAIN" )) ||
 215              (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "RG_AUDIOPHILE" )) )
 216     {
 217         p_dst->pb_gain[AUDIO_REPLAY_GAIN_ALBUM] = true;
 218         p_dst->pf_gain[AUDIO_REPLAY_GAIN_ALBUM] = atof( psz_value );
 219     }
 220     else if( (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "REPLAYGAIN_ALBUM_PEAK" )) )
 221     {
 222         p_dst->pb_peak[AUDIO_REPLAY_GAIN_ALBUM] = true;
 223         p_dst->pf_peak[AUDIO_REPLAY_GAIN_ALBUM] = atof( psz_value );
 224     }
 225 }
 226
 227 /*****************************************************************************
 228  * Seek point: (generalisation of chapters)
 229  *****************************************************************************/
 230 struct seekpoint_t
 231 {
 232     int64_t i_byte_offset;
 233     int64_t i_time_offset;
 234     char    *psz_name;
 235     int     i_level;
 236 };
 237
 238 static inline seekpoint_t *vlc_seekpoint_New( void )
 239 {
 240     seekpoint_t *point = (seekpoint_t*)malloc( sizeof( seekpoint_t ) );
 241     point->i_byte_offset =
 242     point->i_time_offset = -1;
 243     point->i_level = 0;
 244     point->psz_name = NULL;
 245     return point;
 246 }
 247
 248 static inline void vlc_seekpoint_Delete( seekpoint_t *point )
 249 {
 250     if( !point ) return;
 251     free( point->psz_name );
 252     free( point );
 253 }
 254
 255 static inline seekpoint_t *vlc_seekpoint_Duplicate( seekpoint_t *src )
 256 {
 257     seekpoint_t *point = vlc_seekpoint_New();
 258     if( src->psz_name ) point->psz_name = strdup( src->psz_name );
 259     point->i_time_offset = src->i_time_offset;
 260     point->i_byte_offset = src->i_byte_offset;
 261     return point;
 262 }
 263
 264 /*****************************************************************************
 265  * Title:
 266  *****************************************************************************/
 267 typedef struct
 268 {
 269     char        *psz_name;
 270
 271     bool        b_menu;      /* Is it a menu or a normal entry */
 272
 273     int64_t     i_length;   /* Length(microsecond) if known, else 0 */
 274     int64_t     i_size;     /* Size (bytes) if known, else 0 */
 275
 276     /* Title seekpoint */
 277     int         i_seekpoint;
 278     seekpoint_t **seekpoint;
 279
 280 } input_title_t;
 281
 282 static inline input_title_t *vlc_input_title_New(void)
 283 {
 284     input_title_t *t = (input_title_t*)malloc( sizeof( input_title_t ) );
 285
 286     t->psz_name = NULL;
 287     t->b_menu = false;
 288     t->i_length = 0;
 289     t->i_size   = 0;
 290     t->i_seekpoint = 0;
 291     t->seekpoint = NULL;
 292
 293     return t;
 294 }
 295
 296 static inline void vlc_input_title_Delete( input_title_t *t )
 297 {
 298     int i;
 299     if( t == NULL )
 300         return;
 301
 302     free( t->psz_name );
 303     for( i = 0; i < t->i_seekpoint; i++ )
 304     {
 305         free( t->seekpoint[i]->psz_name );
 306         free( t->seekpoint[i] );
 307     }
 308     free( t->seekpoint );
 309     free( t );
 310 }
 311
 312 static inline input_title_t *vlc_input_title_Duplicate( input_title_t *t )
 313 {
 314     input_title_t *dup = vlc_input_title_New( );
 315     int i;
 316
 317     if( t->psz_name ) dup->psz_name = strdup( t->psz_name );
 318     dup->b_menu      = t->b_menu;
 319     dup->i_length    = t->i_length;
 320     dup->i_size      = t->i_size;
 321     dup->i_seekpoint = t->i_seekpoint;
 322     if( t->i_seekpoint > 0 )
 323     {
 324         dup->seekpoint = (seekpoint_t**)calloc( t->i_seekpoint,
 325                                                 sizeof(seekpoint_t*) );
 326
 327         for( i = 0; i < t->i_seekpoint; i++ )
 328         {
 329             dup->seekpoint[i] = vlc_seekpoint_Duplicate( t->seekpoint[i] );
 330         }
 331     }
 332
 333     return dup;
 334 }
 335
 336 /*****************************************************************************
 337  * Attachments
 338  *****************************************************************************/
 339 struct input_attachment_t
 340 {
 341     char *psz_name;
 342     char *psz_mime;
 343     char *psz_description;
 344
 345     int  i_data;
 346     void *p_data;
 347 };
 348
 349 static inline input_attachment_t *vlc_input_attachment_New( const char *psz_name,
 350                                                             const char *psz_mime,
 351                                                             const char *psz_description,
 352                                                             const void *p_data,
 353                                                             int i_data )
 354 {
 355     input_attachment_t *a =
 356         (input_attachment_t*)malloc( sizeof(input_attachment_t) );
 357     if( !a )
 358         return NULL;
 359     a->psz_name = strdup( psz_name ? psz_name : "" );
 360     a->psz_mime = strdup( psz_mime ? psz_mime : "" );
 361     a->psz_description = strdup( psz_description ? psz_description : "" );
 362     a->i_data = i_data;
 363     a->p_data = NULL;
 364     if( i_data > 0 )
 365     {
 366         a->p_data = malloc( i_data );
 367         if( a->p_data && p_data )
 368             memcpy( a->p_data, p_data, i_data );
 369     }
 370     return a;
 371 }
 372 static inline input_attachment_t *vlc_input_attachment_Duplicate( const input_attachment_t *a )
 373 {
 374     return vlc_input_attachment_New( a->psz_name, a->psz_mime, a->psz_description,
 375                                      a->p_data, a->i_data );
 376 }
 377 static inline void vlc_input_attachment_Delete( input_attachment_t *a )
 378 {
 379     if( !a )
 380         return;
 381     free( a->psz_name );
 382     free( a->psz_mime );
 383     free( a->psz_description );
 384     free( a->p_data );
 385     free( a );
 386 }
 387
 388 /*****************************************************************************
 389  * input defines/constants.
 390  *****************************************************************************/
 391
 392 /* "state" value */
 393 /* NOTE: you need to update ppsz_input_state in the RC interface
 394  * if you modify this list. */
 395 typedef enum input_state_e
 396 {
 397     INIT_S = 0,
 398     OPENING_S,
 399     BUFFERING_S,
 400     PLAYING_S,
 401     PAUSE_S,
 402     STOP_S,
 403     FORWARD_S,
 404     BACKWARD_S,
 405     END_S,
 406     ERROR_S,
 407 } input_state_e;
 408
 409 /* "rate" default, min/max
 410  * A rate below 1000 plays the movie faster,
 411  * A rate above 1000 plays the movie slower.
 412  */
 413 #define INPUT_RATE_DEFAULT  1000
 414 #define INPUT_RATE_MIN       125            /* Up to 8/1 */
 415 #define INPUT_RATE_MAX     32000            /* Up to 1/32 */
 416
 417 /* i_update field of access_t/demux_t */
 418 #define INPUT_UPDATE_NONE       0x0000
 419 #define INPUT_UPDATE_SIZE       0x0001
 420 #define INPUT_UPDATE_TITLE      0x0010
 421 #define INPUT_UPDATE_SEEKPOINT  0x0020
 422 #define INPUT_UPDATE_META       0x0040
 423
 424 /* Input control XXX: internal */
 425 #define INPUT_CONTROL_FIFO_SIZE    100
 426
 427 /** Get the input item for an input thread */
 428 VLC_EXPORT(input_item_t*, input_GetItem, (input_thread_t*));
 429
 430 typedef struct input_thread_private_t input_thread_private_t;
 431
 432 /**
 433  * Main structure representing an input thread. This structure is mostly
 434  * private. The only public fields are READ-ONLY. You must use the helpers
 435  * to modify them
 436  */
 437 struct input_thread_t
 438 {
 439     VLC_COMMON_MEMBERS;
 440
 441     bool  b_eof;
 442     bool b_preparsing;
 443
 444     int i_state;
 445     bool b_can_pace_control;
 446     int64_t     i_time;     /* Current time */
 447
 448     /* Internal caching common to all inputs */
 449     mtime_t i_pts_delay;
 450
 451     /* All other data is input_thread is PRIVATE. You can't access it
 452      * outside of src/input */
 453     input_thread_private_t *p;
 454 };
 455
 456 /*****************************************************************************
 457  * Prototypes
 458  *****************************************************************************/
 459
 460 /* input_CreateThread
 461  * Release the returned input_thread_t using vlc_object_release() */
 462 #define input_CreateThread(a,b) __input_CreateThread(VLC_OBJECT(a),b)
 463 VLC_EXPORT( input_thread_t *, __input_CreateThread, ( vlc_object_t *, input_item_t * ) );
 464
 465 #define input_Preparse(a,b) __input_Preparse(VLC_OBJECT(a),b)
 466 VLC_EXPORT( int, __input_Preparse, ( vlc_object_t *, input_item_t * ) );
 467
 468 #define input_Read(a,b,c) __input_Read(VLC_OBJECT(a),b, c)
 469 VLC_EXPORT( int, __input_Read, ( vlc_object_t *, input_item_t *, bool ) );
 470 VLC_EXPORT( void,             input_StopThread,     ( input_thread_t * ) );
 471
 472 enum input_query_e
 473 {
 474     /* input variable "position" */
 475     INPUT_GET_POSITION,         /* arg1= double *       res=    */
 476     INPUT_SET_POSITION,         /* arg1= double         res=can fail    */
 477
 478     /* input variable "length" */
 479     INPUT_GET_LENGTH,           /* arg1= int64_t *      res=can fail    */
 480
 481     /* input variable "time" */
 482     INPUT_GET_TIME,             /* arg1= int64_t *      res=    */
 483     INPUT_SET_TIME,             /* arg1= int64_t        res=can fail    */
 484
 485     /* input variable "rate" (1 is DEFAULT_RATE) */
 486     INPUT_GET_RATE,             /* arg1= int *          res=    */
 487     INPUT_SET_RATE,             /* arg1= int            res=can fail    */
 488
 489     /* input variable "state" */
 490     INPUT_GET_STATE,            /* arg1= int *          res=    */
 491     INPUT_SET_STATE,            /* arg1= int            res=can fail    */
 492
 493     /* input variable "audio-delay" and "sub-delay" */
 494     INPUT_GET_AUDIO_DELAY,      /* arg1 = int* res=can fail */
 495     INPUT_SET_AUDIO_DELAY,      /* arg1 = int  res=can fail */
 496     INPUT_GET_SPU_DELAY,        /* arg1 = int* res=can fail */
 497     INPUT_SET_SPU_DELAY,        /* arg1 = int  res=can fail */
 498
 499     /* Meta datas */
 500     INPUT_ADD_INFO,   /* arg1= char* arg2= char* arg3=...     res=can fail */
 501     INPUT_GET_INFO,   /* arg1= char* arg2= char* arg3= char** res=can fail */
 502     INPUT_DEL_INFO,   /* arg1= char* arg2= char*              res=can fail */
 503     INPUT_SET_NAME,   /* arg1= char* res=can fail    */
 504
 505     /* Input config options */
 506     INPUT_ADD_OPTION,      /* arg1= char * arg2= char *  res=can fail*/
 507
 508     /* Input properties */
 509     INPUT_GET_BYTE_POSITION,     /* arg1= int64_t *       res=    */
 510     INPUT_SET_BYTE_SIZE,         /* arg1= int64_t *       res=    */
 511     INPUT_GET_VIDEO_FPS,         /* arg1= double *        res=can fail */
 512
 513     /* bookmarks */
 514     INPUT_GET_BOOKMARKS,   /* arg1= seekpoint_t *** arg2= int * res=can fail */
 515     INPUT_CLEAR_BOOKMARKS, /* res=can fail */
 516     INPUT_ADD_BOOKMARK,    /* arg1= seekpoint_t *  res=can fail   */
 517     INPUT_CHANGE_BOOKMARK, /* arg1= seekpoint_t * arg2= int * res=can fail   */
 518     INPUT_DEL_BOOKMARK,    /* arg1= seekpoint_t *  res=can fail   */
 519     INPUT_SET_BOOKMARK,    /* arg1= int  res=can fail    */
 520
 521     /* Attachments */
 522     INPUT_GET_ATTACHMENTS, /* arg1=input_attachment_t***, arg2=int*  res=can fail */
 523     INPUT_GET_ATTACHMENT,  /* arg1=input_attachment_t**, arg2=char*  res=can fail */
 524
 525     /* On the fly input slave */
 526     INPUT_ADD_SLAVE        /* arg1= char * */
 527 };
 528
 529 VLC_EXPORT( int, input_vaControl,( input_thread_t *, int i_query, va_list  ) );
 530 VLC_EXPORT( int, input_Control,  ( input_thread_t *, int i_query, ...  ) );
 531
 532 static inline input_state_e input_GetState( input_thread_t * p_input )
 533 {
 534     input_state_e state = INIT_S;
 535     input_Control( p_input, INPUT_GET_STATE, &state );
 536     return state;
 537 }
 538 VLC_EXPORT( decoder_t *, input_DecoderNew, ( input_thread_t *, es_format_t *, bool b_force_decoder ) );
 539 VLC_EXPORT( void, input_DecoderDelete, ( decoder_t * ) );
 540 VLC_EXPORT( void, input_DecoderDecode,( decoder_t *, block_t * ) );
 541
 542 VLC_EXPORT( bool, input_AddSubtitles, ( input_thread_t *, char *, bool ) );
 543
 544 VLC_EXPORT( vlc_event_manager_t *, input_get_event_manager, ( input_thread_t * ) );
 545
 546 /**
 547  * This function allows to split a MRL into access, demux and path part.
 548  *
 549  *  You should not write into access and demux string as they may not point into
 550  * the provided buffer.
 551  *  The buffer provided by psz_dup will be modified.
 552  */
 553 VLC_EXPORT( void, input_SplitMRL, ( const char **ppsz_access, const char **ppsz_demux, char **ppsz_path, char *psz_dup ) );
 554
 555 #endif