vlc_input.h 25 KB
Newer Older
Laurent Aimar's avatar
Laurent Aimar committed
1
/*****************************************************************************
2
 * vlc_input.h: Core input structures
Laurent Aimar's avatar
Laurent Aimar committed
3
 *****************************************************************************
4
 * Copyright (C) 1999-2006 the VideoLAN team
5
 * $Id$
Laurent Aimar's avatar
Laurent Aimar committed
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
 *
 * Authors: Christophe Massiot <massiot@via.ecp.fr>
 *          Laurent Aimar <fenrir@via.ecp.fr>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
Antoine Cellerier's avatar
Antoine Cellerier committed
22
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
Laurent Aimar's avatar
Laurent Aimar committed
23 24 25
 *****************************************************************************/

/* __ is need because conflict with <vlc/input.h> */
26 27
#ifndef VLC__INPUT_H
#define VLC__INPUT_H 1
Laurent Aimar's avatar
Laurent Aimar committed
28

29 30 31 32 33
/**
 * \file
 * This file defines functions, structures and enums for input objects in vlc
 */

34
#include <vlc_es.h>
35
#include <vlc_meta.h>
Laurent Aimar's avatar
Laurent Aimar committed
36
#include <vlc_epg.h>
37
#include <vlc_events.h>
38

39
#include <string.h>                                     /* strcasestr() */
40

41 42
struct vlc_meta_t;

Laurent Aimar's avatar
Laurent Aimar committed
43
/*****************************************************************************
44
 * input_item_t: Describes an input and is used to spawn input_thread_t objects
Laurent Aimar's avatar
Laurent Aimar committed
45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
 *****************************************************************************/
struct info_t
{
    char *psz_name;            /**< Name of this info */
    char *psz_value;           /**< Value of the info */
};

struct info_category_t
{
    char   *psz_name;      /**< Name of this category */
    int    i_infos;        /**< Number of infos in the category */
    struct info_t **pp_infos;     /**< Pointer to an array of infos */
};

struct input_item_t
{
61 62 63
    VLC_GC_MEMBERS
    int        i_id;                 /**< Identifier of the item */

Laurent Aimar's avatar
Laurent Aimar committed
64 65
    char       *psz_name;            /**< text describing this item */
    char       *psz_uri;             /**< mrl of this item */
Jean-Paul Saman's avatar
Jean-Paul Saman committed
66
    bool       b_fixed_name;        /**< Can the interface change the name ?*/
Laurent Aimar's avatar
Laurent Aimar committed
67 68 69

    int        i_options;            /**< Number of input options */
    char       **ppsz_options;       /**< Array of input options */
70 71
    uint8_t    *optflagv;            /**< Some flags of input options */
    unsigned   optflagc;
Laurent Aimar's avatar
Laurent Aimar committed
72

73
    mtime_t    i_duration;           /**< Duration in milliseconds*/
Laurent Aimar's avatar
Laurent Aimar committed
74

75
    uint8_t    i_type;               /**< Type (file, disc, ...) */
Geoffroy Couprie's avatar
Geoffroy Couprie committed
76
    bool b_prefers_tree;             /**< Do we prefer being displayed as tree*/
77

Laurent Aimar's avatar
Laurent Aimar committed
78 79 80
    int        i_categories;         /**< Number of info categories */
    info_category_t **pp_categories; /**< Pointer to the first info category */

81
    int         i_es;                /**< Number of es format descriptions */
82
    es_format_t **es;                /**< Es formats */
Clément Stenac's avatar
Clément Stenac committed
83

Clément Stenac's avatar
Clément Stenac committed
84
    input_stats_t *p_stats;          /**< Statistics */
85 86
    int           i_nb_played;       /**< Number of times played */

87 88
    bool          b_error_when_reading;       /**< Error When Reading */

89
    vlc_meta_t *p_meta;
90 91 92

    vlc_event_manager_t event_manager;

93
    vlc_mutex_t lock;                 /**< Lock for the item */
Laurent Aimar's avatar
Laurent Aimar committed
94 95
};

96
#define ITEM_TYPE_UNKNOWN       0
97 98 99 100 101 102 103 104 105
#define ITEM_TYPE_FILE          1
#define ITEM_TYPE_DIRECTORY     2
#define ITEM_TYPE_DISC          3
#define ITEM_TYPE_CDDA          4
#define ITEM_TYPE_CARD          5
#define ITEM_TYPE_NET           6
#define ITEM_TYPE_PLAYLIST      7
#define ITEM_TYPE_NODE          8
#define ITEM_TYPE_NUMBER        9
106

107 108
VLC_EXPORT( void, input_item_CopyOptions, ( input_item_t *p_parent, input_item_t *p_child ) );
VLC_EXPORT( void, input_item_SetName, ( input_item_t *p_item, const char *psz_name ) );
109 110 111 112 113

/* This won't hold the item, but can tell to interested third parties
 * Like the playlist, that there is a new sub item. With this design
 * It is not the input item's responsability to keep all the ref of
 * the input item children. */
114
VLC_EXPORT( void, input_item_AddSubItem, ( input_item_t *p_parent, input_item_t *p_child ) );
115 116


117
/* Flags handled past input_item_AddOpt() */
118 119
#define VLC_INPUT_OPTION_TRUSTED 0x2

120
/* Flags handled within input_item_AddOpt() */
121 122
#define VLC_INPUT_OPTION_UNIQUE  0x100

123 124 125 126 127
VLC_EXPORT( int,  input_item_AddOpt, ( input_item_t *, const char *str, unsigned flags ) );
VLC_EXPORT( int,  input_item_AddOption, (input_item_t *, const char * ) );
VLC_EXPORT( bool, input_item_HasErrorWhenReading, ( input_item_t * ) );
VLC_EXPORT( void, input_item_SetMeta, ( input_item_t *, vlc_meta_type_t meta_type, const char *psz_val ));
VLC_EXPORT( bool, input_item_MetaMatch, ( input_item_t *p_i, vlc_meta_type_t meta_type, const char *psz ) );
128 129 130 131 132 133 134 135
VLC_EXPORT( char *, input_item_GetMeta, ( input_item_t *p_i, vlc_meta_type_t meta_type ) );
VLC_EXPORT( char *, input_item_GetName, ( input_item_t * p_i ) );
VLC_EXPORT( char *, input_item_GetURI, ( input_item_t * p_i ) );
VLC_EXPORT( void,   input_item_SetURI, ( input_item_t * p_i, char * psz_uri ));
VLC_EXPORT(mtime_t, input_item_GetDuration, ( input_item_t * p_i ) );
VLC_EXPORT( void,   input_item_SetDuration, ( input_item_t * p_i, mtime_t i_duration ));
VLC_EXPORT( bool,   input_item_IsPreparsed, ( input_item_t *p_i ));
VLC_EXPORT( bool,   input_item_IsArtFetched, ( input_item_t *p_i ));
136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172


#define input_item_SetTitle( item, b )       input_item_SetMeta( item, vlc_meta_Title, b )
#define input_item_SetArtist( item, b )      input_item_SetMeta( item, vlc_meta_Artist, b )
#define input_item_SetGenre( item, b )       input_item_SetMeta( item, vlc_meta_Genre, b )
#define input_item_SetCopyright( item, b )   input_item_SetMeta( item, vlc_meta_Copyright, b )
#define input_item_SetAlbum( item, b )       input_item_SetMeta( item, vlc_meta_Album, b )
#define input_item_SetTrackNum( item, b )    input_item_SetMeta( item, vlc_meta_TrackNumber, b )
#define input_item_SetDescription( item, b ) input_item_SetMeta( item, vlc_meta_Description, b )
#define input_item_SetRating( item, b )      input_item_SetMeta( item, vlc_meta_Rating, b )
#define input_item_SetDate( item, b )        input_item_SetMeta( item, vlc_meta_Date, b )
#define input_item_SetSetting( item, b )     input_item_SetMeta( item, vlc_meta_Setting, b )
#define input_item_SetURL( item, b )         input_item_SetMeta( item, vlc_meta_URL, b )
#define input_item_SetLanguage( item, b )    input_item_SetMeta( item, vlc_meta_Language, b )
#define input_item_SetNowPlaying( item, b )  input_item_SetMeta( item, vlc_meta_NowPlaying, b )
#define input_item_SetPublisher( item, b )   input_item_SetMeta( item, vlc_meta_Publisher, b )
#define input_item_SetEncodedBy( item, b )   input_item_SetMeta( item, vlc_meta_EncodedBy, b )
#define input_item_SetArtURL( item, b )      input_item_SetMeta( item, vlc_meta_ArtworkURL, b )
#define input_item_SetTrackID( item, b )     input_item_SetMeta( item, vlc_meta_TrackID, b )

#define input_item_GetTitle( item )          input_item_GetMeta( item, vlc_meta_Title )
#define input_item_GetArtist( item )         input_item_GetMeta( item, vlc_meta_Artist )
#define input_item_GetGenre( item )          input_item_GetMeta( item, vlc_meta_Genre )
#define input_item_GetCopyright( item )      input_item_GetMeta( item, vlc_meta_Copyright )
#define input_item_GetAlbum( item )          input_item_GetMeta( item, vlc_meta_Album )
#define input_item_GetTrackNum( item )       input_item_GetMeta( item, vlc_meta_TrackNumber )
#define input_item_GetDescription( item )    input_item_GetMeta( item, vlc_meta_Description )
#define input_item_GetRating( item )         input_item_GetMeta( item, vlc_meta_Rating )
#define input_item_GetDate( item )           input_item_GetMeta( item, vlc_meta_Date )
#define input_item_GetGetting( item )        input_item_GetMeta( item, vlc_meta_Getting )
#define input_item_GetURL( item )            input_item_GetMeta( item, vlc_meta_URL )
#define input_item_GetLanguage( item )       input_item_GetMeta( item, vlc_meta_Language )
#define input_item_GetNowPlaying( item )     input_item_GetMeta( item, vlc_meta_NowPlaying )
#define input_item_GetPublisher( item )      input_item_GetMeta( item, vlc_meta_Publisher )
#define input_item_GetEncodedBy( item )      input_item_GetMeta( item, vlc_meta_EncodedBy )
#define input_item_GetArtURL( item )         input_item_GetMeta( item, vlc_meta_ArtworkURL )
#define input_item_GetTrackID( item )        input_item_GetMeta( item, vlc_meta_TrackID )
173
#define input_item_GetSetting( item )        input_item_GetMeta( item, vlc_meta_Setting )
174

175
VLC_EXPORT( char *, input_item_GetInfo, ( input_item_t *p_i, const char *psz_cat,const char *psz_name ) );
176 177
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 ) );
VLC_EXPORT( int, input_item_DelInfo, ( input_item_t *p_i, const char *psz_cat, const char *psz_name ) );
178

179 180 181 182
#define input_item_New( a,b,c ) input_item_NewExt( a, b, c, 0, NULL, -1 )
#define input_item_NewExt(a,b,c,d,e,f) __input_item_NewExt( VLC_OBJECT(a),b,c,d,e,f)
VLC_EXPORT( input_item_t *, __input_item_NewExt, (vlc_object_t *, const char *, const char*, int, const char *const *, mtime_t i_duration )  );
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 ) );
183

184 185 186 187 188 189
/*****************************************************************************
 * Meta data helpers
 *****************************************************************************/
static inline void vlc_audio_replay_gain_MergeFromMeta( audio_replay_gain_t *p_dst,
                                                        const vlc_meta_t *p_meta )
{
190 191
    char * psz_value;

192 193 194
    if( !p_meta )
        return;

195 196
    if( (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "REPLAYGAIN_TRACK_GAIN" )) ||
        (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "RG_RADIO" )) )
197
    {
198
        p_dst->pb_gain[AUDIO_REPLAY_GAIN_TRACK] = true;
199 200 201 202 203
        p_dst->pf_gain[AUDIO_REPLAY_GAIN_TRACK] = atof( psz_value );
    }
    else if( (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "REPLAYGAIN_TRACK_PEAK" )) ||
             (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "RG_PEAK" )) )
    {
204
        p_dst->pb_peak[AUDIO_REPLAY_GAIN_TRACK] = true;
205 206 207 208 209
        p_dst->pf_peak[AUDIO_REPLAY_GAIN_TRACK] = atof( psz_value );
    }
    else if( (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "REPLAYGAIN_ALBUM_GAIN" )) ||
             (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "RG_AUDIOPHILE" )) )
    {
210
        p_dst->pb_gain[AUDIO_REPLAY_GAIN_ALBUM] = true;
211 212 213 214
        p_dst->pf_gain[AUDIO_REPLAY_GAIN_ALBUM] = atof( psz_value );
    }
    else if( (psz_value = (char *)vlc_dictionary_value_for_key( &p_meta->extra_tags, "REPLAYGAIN_ALBUM_PEAK" )) )
    {
215
        p_dst->pb_peak[AUDIO_REPLAY_GAIN_ALBUM] = true;
216
        p_dst->pf_peak[AUDIO_REPLAY_GAIN_ALBUM] = atof( psz_value );
217 218 219
    }
}

Laurent Aimar's avatar
Laurent Aimar committed
220 221 222 223 224 225 226 227
/*****************************************************************************
 * Seek point: (generalisation of chapters)
 *****************************************************************************/
struct seekpoint_t
{
    int64_t i_byte_offset;
    int64_t i_time_offset;
    char    *psz_name;
228
    int     i_level;
Laurent Aimar's avatar
Laurent Aimar committed
229 230 231 232 233 234
};

static inline seekpoint_t *vlc_seekpoint_New( void )
{
    seekpoint_t *point = (seekpoint_t*)malloc( sizeof( seekpoint_t ) );
    point->i_byte_offset =
235
    point->i_time_offset = -1;
236
    point->i_level = 0;
Laurent Aimar's avatar
Laurent Aimar committed
237 238 239 240 241 242 243
    point->psz_name = NULL;
    return point;
}

static inline void vlc_seekpoint_Delete( seekpoint_t *point )
{
    if( !point ) return;
244
    free( point->psz_name );
Laurent Aimar's avatar
Laurent Aimar committed
245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263
    free( point );
}

static inline seekpoint_t *vlc_seekpoint_Duplicate( seekpoint_t *src )
{
    seekpoint_t *point = vlc_seekpoint_New();
    if( src->psz_name ) point->psz_name = strdup( src->psz_name );
    point->i_time_offset = src->i_time_offset;
    point->i_byte_offset = src->i_byte_offset;
    return point;
}

/*****************************************************************************
 * Title:
 *****************************************************************************/
typedef struct
{
    char        *psz_name;

Jean-Paul Saman's avatar
Jean-Paul Saman committed
264
    bool        b_menu;      /* Is it a menu or a normal entry */
Laurent Aimar's avatar
Laurent Aimar committed
265 266 267 268 269 270 271 272 273 274

    int64_t     i_length;   /* Length(microsecond) if known, else 0 */
    int64_t     i_size;     /* Size (bytes) if known, else 0 */

    /* Title seekpoint */
    int         i_seekpoint;
    seekpoint_t **seekpoint;

} input_title_t;

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
275
static inline input_title_t *vlc_input_title_New(void)
Laurent Aimar's avatar
Laurent Aimar committed
276 277 278 279
{
    input_title_t *t = (input_title_t*)malloc( sizeof( input_title_t ) );

    t->psz_name = NULL;
280
    t->b_menu = false;
Laurent Aimar's avatar
Laurent Aimar committed
281 282 283 284 285 286 287
    t->i_length = 0;
    t->i_size   = 0;
    t->i_seekpoint = 0;
    t->seekpoint = NULL;

    return t;
}
288

Laurent Aimar's avatar
Laurent Aimar committed
289 290 291 292 293 294
static inline void vlc_input_title_Delete( input_title_t *t )
{
    int i;
    if( t == NULL )
        return;

295
    free( t->psz_name );
Laurent Aimar's avatar
Laurent Aimar committed
296 297
    for( i = 0; i < t->i_seekpoint; i++ )
    {
298
        free( t->seekpoint[i]->psz_name );
Laurent Aimar's avatar
Laurent Aimar committed
299 300
        free( t->seekpoint[i] );
    }
301
    free( t->seekpoint );
Laurent Aimar's avatar
Laurent Aimar committed
302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327
    free( t );
}

static inline input_title_t *vlc_input_title_Duplicate( input_title_t *t )
{
    input_title_t *dup = vlc_input_title_New( );
    int i;

    if( t->psz_name ) dup->psz_name = strdup( t->psz_name );
    dup->b_menu      = t->b_menu;
    dup->i_length    = t->i_length;
    dup->i_size      = t->i_size;
    dup->i_seekpoint = t->i_seekpoint;
    if( t->i_seekpoint > 0 )
    {
        dup->seekpoint = (seekpoint_t**)calloc( t->i_seekpoint,
                                                sizeof(seekpoint_t*) );

        for( i = 0; i < t->i_seekpoint; i++ )
        {
            dup->seekpoint[i] = vlc_seekpoint_Duplicate( t->seekpoint[i] );
        }
    }

    return dup;
}
Jean-Paul Saman's avatar
Jean-Paul Saman committed
328

329 330 331 332 333 334 335 336
/*****************************************************************************
 * Attachments
 *****************************************************************************/
struct input_attachment_t
{
    char *psz_name;
    char *psz_mime;
    char *psz_description;
Laurent Aimar's avatar
Laurent Aimar committed
337

338 339 340
    int  i_data;
    void *p_data;
};
Jean-Paul Saman's avatar
Jean-Paul Saman committed
341

342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376
static inline input_attachment_t *vlc_input_attachment_New( const char *psz_name,
                                                            const char *psz_mime,
                                                            const char *psz_description,
                                                            const void *p_data,
                                                            int i_data )
{
    input_attachment_t *a =
        (input_attachment_t*)malloc( sizeof(input_attachment_t) );
    if( !a )
        return NULL;
    a->psz_name = strdup( psz_name ? psz_name : "" );
    a->psz_mime = strdup( psz_mime ? psz_mime : "" );
    a->psz_description = strdup( psz_description ? psz_description : "" );
    a->i_data = i_data;
    a->p_data = NULL;
    if( i_data > 0 )
    {
        a->p_data = malloc( i_data );
        if( a->p_data && p_data )
            memcpy( a->p_data, p_data, i_data );
    }
    return a;
}
static inline input_attachment_t *vlc_input_attachment_Duplicate( const input_attachment_t *a )
{
    return vlc_input_attachment_New( a->psz_name, a->psz_mime, a->psz_description,
                                     a->p_data, a->i_data );
}
static inline void vlc_input_attachment_Delete( input_attachment_t *a )
{
    if( !a )
        return;
    free( a->psz_name );
    free( a->psz_mime );
    free( a->psz_description );
377
    free( a->p_data );
378 379
    free( a );
}
Jean-Paul Saman's avatar
Jean-Paul Saman committed
380

Laurent Aimar's avatar
Laurent Aimar committed
381 382 383 384 385 386 387 388 389
/*****************************************************************************
 * input defines/constants.
 *****************************************************************************/

/* i_update field of access_t/demux_t */
#define INPUT_UPDATE_NONE       0x0000
#define INPUT_UPDATE_SIZE       0x0001
#define INPUT_UPDATE_TITLE      0x0010
#define INPUT_UPDATE_SEEKPOINT  0x0020
390
#define INPUT_UPDATE_META       0x0040
391
#define INPUT_UPDATE_SIGNAL     0x0080
Laurent Aimar's avatar
Laurent Aimar committed
392

393 394 395 396
/** Get the input item for an input thread
 * FIXME see src/input/item.c but is is unsafe unless
 * you hold p_input
 */
Clément Stenac's avatar
Clément Stenac committed
397 398 399 400 401 402 403 404 405
VLC_EXPORT(input_item_t*, input_GetItem, (input_thread_t*));

typedef struct input_thread_private_t input_thread_private_t;

/**
 * Main structure representing an input thread. This structure is mostly
 * private. The only public fields are READ-ONLY. You must use the helpers
 * to modify them
 */
Laurent Aimar's avatar
Laurent Aimar committed
406 407
struct input_thread_t
{
Clément Stenac's avatar
Clément Stenac committed
408
    VLC_COMMON_MEMBERS;
Laurent Aimar's avatar
Laurent Aimar committed
409

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
410
    bool b_eof;
411
    bool b_preparsing;
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
412
    bool b_dead;
413

Clément Stenac's avatar
Clément Stenac committed
414
    int i_state;
415
    bool b_can_pace_control;
Laurent Aimar's avatar
Laurent Aimar committed
416
    int64_t     i_time;     /* Current time */
417

Clément Stenac's avatar
Clément Stenac committed
418
    /* Internal caching common to all inputs */
419
    mtime_t i_pts_delay;
Clément Stenac's avatar
Clément Stenac committed
420 421 422 423

    /* All other data is input_thread is PRIVATE. You can't access it
     * outside of src/input */
    input_thread_private_t *p;
Laurent Aimar's avatar
Laurent Aimar committed
424 425
};

Laurent Aimar's avatar
Laurent Aimar committed
426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441
/*****************************************************************************
 * Input events and variables
 *****************************************************************************/

/**
 * \defgroup inputvariable Input variables
 *
 * The input provides multiples variable you can write to and/or read from.
 *
 * TODO complete the documentation.
 * The read only variables are:
 *  - "length"
 *  - "bookmarks"
 *  - "seekable (if you can seek, it doesn't say if 'bar display' has be shown FIXME rename can-seek
 *    or not, for that check position != 0.0)
 *  - "can-pause"
442
 *  - "can-rate"
Laurent Aimar's avatar
Laurent Aimar committed
443 444
 *  - "can-rewind"
 *  - "can-record" (if a stream can be recorded while playing)
Laurent Aimar's avatar
Laurent Aimar committed
445
 *  - "teletext-es" to get the index of spu track that is teletext -1 if no teletext)
446 447
 *  - "signal-quality"
 *  - "signal-strength"
Laurent Aimar's avatar
Laurent Aimar committed
448 449 450 451 452 453
 *
 * The read-write variables are:
 *  - state (\see input_state_e)
 *  - rate, rate-slower, rate-faster
 *  - position, position-offset
 *  - time, time-offset
454 455
 *  - title, next-title, prev-title
 *  - chapter, next-chapter, next-chapter-prev
Laurent Aimar's avatar
Laurent Aimar committed
456 457 458
 *  - program, audio-es, video-es, spu-es
 *  - audio-delay, spu-delay
 *  - bookmark
459 460 461 462
 *  - record
 *  - frame-next
 *  - navigation (list of "title %2i")
 *  - "title %2i"
Laurent Aimar's avatar
Laurent Aimar committed
463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536
 *
 * The variable used for event is
 *  - intf-event (\see input_event_type_e)
 */

/**
 * Input state
 *
 * This enum is used by the variable "state"
 *
 * NOTE: you need to update ppsz_input_state in the RC interface
 * if you modify this list.
 */
typedef enum input_state_e
{
    INIT_S = 0,
    OPENING_S,
    BUFFERING_S,
    PLAYING_S,
    PAUSE_S,
    STOP_S,
    END_S,
    ERROR_S,
} input_state_e;

/**
 * Input rate.
 *
 * It is an integer used by the variable "rate" in the
 * range [INPUT_RATE_MIN, INPUT_RATE_MAX] the default value
 * being INPUT_RATE_DEFAULT.
 *
 * A value lower than INPUT_RATE_DEFAULT plays faster.
 * A value higher than INPUT_RATE_DEFAULT plays slower.
 */

/**
 * Default rate value
 */
#define INPUT_RATE_DEFAULT  1000
/**
 * Minimal rate value
 */
#define INPUT_RATE_MIN        32            /* Up to 32/1 */
/**
 * Maximal rate value
 */
#define INPUT_RATE_MAX     32000            /* Up to 1/32 */

/**
 * Input events
 *
 * You can catch input event by adding a callback on the variable "intf-event".
 * This variable is an integer that will hold a input_event_type_e value.
 */
typedef enum input_event_type_e
{
    /* "state" has changed */
    INPUT_EVENT_STATE,
    /* "rate" has changed */
    INPUT_EVENT_RATE,
    /* At least one of "position" or "time" or "length" has changed */
    INPUT_EVENT_TIMES,

    /* A title has been added or removed or selected.
     * It imply that chapter has changed (not chapter event is sent) */
    INPUT_EVENT_TITLE,
    /* A chapter has been added or removed or selected. */
    INPUT_EVENT_CHAPTER,

    /* A program has been added or removed or selected */
    INPUT_EVENT_PROGRAM,
    /* A ES has been added or removed or selected */
    INPUT_EVENT_ES,
Laurent Aimar's avatar
Laurent Aimar committed
537 538
    /* "teletext-es" has changed */
    INPUT_EVENT_TELETEXT,
Laurent Aimar's avatar
Laurent Aimar committed
539 540 541 542

    /* "record" has changed */
    INPUT_EVENT_RECORD,

543
    /* A vout has been created/deleted by *the input* */
Laurent Aimar's avatar
Laurent Aimar committed
544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566
    INPUT_EVENT_VOUT,

    /* input_item_t media has changed */
    INPUT_EVENT_ITEM_META,
    /* input_item_t info has changed */
    INPUT_EVENT_ITEM_INFO,
    /* input_item_t name has changed */
    INPUT_EVENT_ITEM_NAME,

    /* Input statistics have been updated */
    INPUT_EVENT_STATISTICS,
    /* At least one of "signal-quality" or "signal-strength" has changed */
    INPUT_EVENT_SIGNAL,

    /* "audio-delay" has changed */
    INPUT_EVENT_AUDIO_DELAY,
    /* "spu-delay" has changed */
    INPUT_EVENT_SUBTITLE_DELAY,

} input_event_type_e;

/** @}*/

Laurent Aimar's avatar
Laurent Aimar committed
567 568 569
/*****************************************************************************
 * Prototypes
 *****************************************************************************/
570 571 572

/* input_CreateThread
 * Release the returned input_thread_t using vlc_object_release() */
Laurent Aimar's avatar
Laurent Aimar committed
573 574
#define input_CreateThread(a,b) __input_CreateThread(VLC_OBJECT(a),b)
VLC_EXPORT( input_thread_t *, __input_CreateThread, ( vlc_object_t *, input_item_t * ) );
575

576 577
#define input_Preparse(a,b) __input_Preparse(VLC_OBJECT(a),b)
VLC_EXPORT( int, __input_Preparse, ( vlc_object_t *, input_item_t * ) );
578 579

#define input_Read(a,b,c) __input_Read(VLC_OBJECT(a),b, c)
580
VLC_EXPORT( int, __input_Read, ( vlc_object_t *, input_item_t *, bool ) );
Laurent Aimar's avatar
Laurent Aimar committed
581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603
VLC_EXPORT( void,             input_StopThread,     ( input_thread_t * ) );

enum input_query_e
{
    /* input variable "position" */
    INPUT_GET_POSITION,         /* arg1= double *       res=    */
    INPUT_SET_POSITION,         /* arg1= double         res=can fail    */

    /* input variable "length" */
    INPUT_GET_LENGTH,           /* arg1= int64_t *      res=can fail    */

    /* input variable "time" */
    INPUT_GET_TIME,             /* arg1= int64_t *      res=    */
    INPUT_SET_TIME,             /* arg1= int64_t        res=can fail    */

    /* input variable "rate" (1 is DEFAULT_RATE) */
    INPUT_GET_RATE,             /* arg1= int *          res=    */
    INPUT_SET_RATE,             /* arg1= int            res=can fail    */

    /* input variable "state" */
    INPUT_GET_STATE,            /* arg1= int *          res=    */
    INPUT_SET_STATE,            /* arg1= int            res=can fail    */

604
    /* input variable "audio-delay" and "sub-delay" */
605 606 607 608 609 610
    INPUT_GET_AUDIO_DELAY,      /* arg1 = int* res=can fail */
    INPUT_SET_AUDIO_DELAY,      /* arg1 = int  res=can fail */
    INPUT_GET_SPU_DELAY,        /* arg1 = int* res=can fail */
    INPUT_SET_SPU_DELAY,        /* arg1 = int  res=can fail */

    /* Meta datas */
611 612 613 614
    INPUT_ADD_INFO,   /* arg1= char* arg2= char* arg3=...     res=can fail */
    INPUT_GET_INFO,   /* arg1= char* arg2= char* arg3= char** res=can fail */
    INPUT_DEL_INFO,   /* arg1= char* arg2= char*              res=can fail */
    INPUT_SET_NAME,   /* arg1= char* res=can fail    */
615

616 617 618 619 620 621
    /* Input config options */
    INPUT_ADD_OPTION,      /* arg1= char * arg2= char *  res=can fail*/

    /* Input properties */
    INPUT_GET_BYTE_POSITION,     /* arg1= int64_t *       res=    */
    INPUT_SET_BYTE_SIZE,         /* arg1= int64_t *       res=    */
622
    INPUT_GET_VIDEO_FPS,         /* arg1= double *        res=can fail */
623

Laurent Aimar's avatar
Laurent Aimar committed
624 625 626 627 628 629 630
    /* bookmarks */
    INPUT_GET_BOOKMARKS,   /* arg1= seekpoint_t *** arg2= int * res=can fail */
    INPUT_CLEAR_BOOKMARKS, /* res=can fail */
    INPUT_ADD_BOOKMARK,    /* arg1= seekpoint_t *  res=can fail   */
    INPUT_CHANGE_BOOKMARK, /* arg1= seekpoint_t * arg2= int * res=can fail   */
    INPUT_DEL_BOOKMARK,    /* arg1= seekpoint_t *  res=can fail   */
    INPUT_SET_BOOKMARK,    /* arg1= int  res=can fail    */
631

632 633 634 635
    /* Attachments */
    INPUT_GET_ATTACHMENTS, /* arg1=input_attachment_t***, arg2=int*  res=can fail */
    INPUT_GET_ATTACHMENT,  /* arg1=input_attachment_t**, arg2=char*  res=can fail */

636
    /* On the fly input slave */
637 638 639 640 641
    INPUT_ADD_SLAVE,       /* arg1= char * */

    /* On the fly record while playing */
    INPUT_SET_RECORD_STATE, /* arg1=bool    res=can fail */
    INPUT_GET_RECORD_STATE, /* arg1=bool*   res=can fail */
642 643 644

    /* ES */
    INPUT_RESTART_ES,       /* arg1=int (-AUDIO/VIDEO/SPU_ES for the whole category) */
Laurent Aimar's avatar
Laurent Aimar committed
645 646 647 648 649
};

VLC_EXPORT( int, input_vaControl,( input_thread_t *, int i_query, va_list  ) );
VLC_EXPORT( int, input_Control,  ( input_thread_t *, int i_query, ...  ) );

650 651 652 653 654 655
static inline input_state_e input_GetState( input_thread_t * p_input )
{
    input_state_e state = INIT_S;
    input_Control( p_input, INPUT_GET_STATE, &state );
    return state;
}
656 657 658

typedef struct input_clock_t input_clock_t;
VLC_EXPORT( decoder_t *, input_DecoderNew, ( input_thread_t *, es_format_t *, input_clock_t *, sout_instance_t * ) );
Laurent Aimar's avatar
Laurent Aimar committed
659 660 661
VLC_EXPORT( void, input_DecoderDelete, ( decoder_t * ) );
VLC_EXPORT( void, input_DecoderDecode,( decoder_t *, block_t * ) );

662
VLC_EXPORT( bool, input_AddSubtitles, ( input_thread_t *, char *, bool ) );
663

664 665
VLC_EXPORT( vlc_event_manager_t *, input_get_event_manager, ( input_thread_t * ) );

Laurent Aimar's avatar
Laurent Aimar committed
666 667 668 669 670 671 672 673 674
/**
 * This function allows to split a MRL into access, demux and path part.
 *
 *  You should not write into access and demux string as they may not point into
 * the provided buffer.
 *  The buffer provided by psz_dup will be modified.
 */
VLC_EXPORT( void, input_SplitMRL, ( const char **ppsz_access, const char **ppsz_demux, char **ppsz_path, char *psz_dup ) );

Laurent Aimar's avatar
Laurent Aimar committed
675
#endif