vlc_input.h 19.6 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
#include <vlc_input_item.h>
39

40
#include <string.h>
41

42 43 44 45 46 47
/*****************************************************************************
 * Meta data helpers
 *****************************************************************************/
static inline void vlc_audio_replay_gain_MergeFromMeta( audio_replay_gain_t *p_dst,
                                                        const vlc_meta_t *p_meta )
{
48 49
    char * psz_value;

50 51 52
    if( !p_meta )
        return;

53 54
    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" )) )
55
    {
56
        p_dst->pb_gain[AUDIO_REPLAY_GAIN_TRACK] = true;
57 58 59 60 61
        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" )) )
    {
62
        p_dst->pb_peak[AUDIO_REPLAY_GAIN_TRACK] = true;
63 64 65 66 67
        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" )) )
    {
68
        p_dst->pb_gain[AUDIO_REPLAY_GAIN_ALBUM] = true;
69 70 71 72
        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" )) )
    {
73
        p_dst->pb_peak[AUDIO_REPLAY_GAIN_ALBUM] = true;
74
        p_dst->pf_peak[AUDIO_REPLAY_GAIN_ALBUM] = atof( psz_value );
75 76 77
    }
}

Laurent Aimar's avatar
Laurent Aimar committed
78 79 80 81 82 83 84 85
/*****************************************************************************
 * Seek point: (generalisation of chapters)
 *****************************************************************************/
struct seekpoint_t
{
    int64_t i_byte_offset;
    int64_t i_time_offset;
    char    *psz_name;
86
    int     i_level;
Laurent Aimar's avatar
Laurent Aimar committed
87 88 89 90 91 92
};

static inline seekpoint_t *vlc_seekpoint_New( void )
{
    seekpoint_t *point = (seekpoint_t*)malloc( sizeof( seekpoint_t ) );
    point->i_byte_offset =
93
    point->i_time_offset = -1;
94
    point->i_level = 0;
Laurent Aimar's avatar
Laurent Aimar committed
95 96 97 98 99 100 101
    point->psz_name = NULL;
    return point;
}

static inline void vlc_seekpoint_Delete( seekpoint_t *point )
{
    if( !point ) return;
102
    free( point->psz_name );
Laurent Aimar's avatar
Laurent Aimar committed
103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121
    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
122
    bool        b_menu;      /* Is it a menu or a normal entry */
Laurent Aimar's avatar
Laurent Aimar committed
123 124 125 126 127 128 129 130 131 132

    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
133
static inline input_title_t *vlc_input_title_New(void)
Laurent Aimar's avatar
Laurent Aimar committed
134 135 136 137
{
    input_title_t *t = (input_title_t*)malloc( sizeof( input_title_t ) );

    t->psz_name = NULL;
138
    t->b_menu = false;
Laurent Aimar's avatar
Laurent Aimar committed
139 140 141 142 143 144 145
    t->i_length = 0;
    t->i_size   = 0;
    t->i_seekpoint = 0;
    t->seekpoint = NULL;

    return t;
}
146

Laurent Aimar's avatar
Laurent Aimar committed
147 148 149 150 151 152
static inline void vlc_input_title_Delete( input_title_t *t )
{
    int i;
    if( t == NULL )
        return;

153
    free( t->psz_name );
Laurent Aimar's avatar
Laurent Aimar committed
154 155
    for( i = 0; i < t->i_seekpoint; i++ )
    {
156
        free( t->seekpoint[i]->psz_name );
Laurent Aimar's avatar
Laurent Aimar committed
157 158
        free( t->seekpoint[i] );
    }
159
    free( t->seekpoint );
Laurent Aimar's avatar
Laurent Aimar committed
160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185
    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
186

187 188 189 190 191 192 193 194
/*****************************************************************************
 * Attachments
 *****************************************************************************/
struct input_attachment_t
{
    char *psz_name;
    char *psz_mime;
    char *psz_description;
Laurent Aimar's avatar
Laurent Aimar committed
195

196 197 198
    int  i_data;
    void *p_data;
};
Jean-Paul Saman's avatar
Jean-Paul Saman committed
199

200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234
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 );
235
    free( a->p_data );
236 237
    free( a );
}
Jean-Paul Saman's avatar
Jean-Paul Saman committed
238

Laurent Aimar's avatar
Laurent Aimar committed
239 240 241 242 243 244 245 246 247
/*****************************************************************************
 * 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
248
#define INPUT_UPDATE_META       0x0040
249
#define INPUT_UPDATE_SIGNAL     0x0080
Laurent Aimar's avatar
Laurent Aimar committed
250

251 252
/**
 * This defines private core storage for an input.
253
 */
Clément Stenac's avatar
Clément Stenac committed
254 255
typedef struct input_thread_private_t input_thread_private_t;

256 257 258 259 260
/**
 * This defines an opaque input resource handler.
 */
typedef struct input_resource_t input_resource_t;

Clément Stenac's avatar
Clément Stenac committed
261 262 263 264 265
/**
 * 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
266 267
struct input_thread_t
{
Clément Stenac's avatar
Clément Stenac committed
268
    VLC_COMMON_MEMBERS;
Laurent Aimar's avatar
Laurent Aimar committed
269

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
270
    bool b_eof;
271
    bool b_preparsing;
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
272
    bool b_dead;
273

Clément Stenac's avatar
Clément Stenac committed
274 275 276
    /* 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
277 278
};

279 280 281 282
/**
 * Record prefix string.
 * TODO make it configurable.
 */
283
#define INPUT_RECORD_PREFIX "vlc-record-%Y-%m-%d-%Hh%Mm%Ss-$ N-$ p"
284

Laurent Aimar's avatar
Laurent Aimar committed
285 286 287 288 289 290 291 292 293 294 295 296
/*****************************************************************************
 * 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"
297
 *  - "can-seek" (if you can seek, it doesn't say if 'bar display' has be shown
Laurent Aimar's avatar
Laurent Aimar committed
298 299
 *    or not, for that check position != 0.0)
 *  - "can-pause"
300
 *  - "can-rate"
Laurent Aimar's avatar
Laurent Aimar committed
301 302
 *  - "can-rewind"
 *  - "can-record" (if a stream can be recorded while playing)
303 304
 *  - "teletext-es" (list of id from the spu tracks (spu-es) that are teletext, the
 *                   variable value being the one currently selected, -1 if no teletext)
305 306
 *  - "signal-quality"
 *  - "signal-strength"
307
 *  - "program-scrambled" (if the current program is scrambled)
308
 *  - "cache" (level of data cached [0 .. 1])
Laurent Aimar's avatar
Laurent Aimar committed
309 310 311 312 313 314
 *
 * The read-write variables are:
 *  - state (\see input_state_e)
 *  - rate, rate-slower, rate-faster
 *  - position, position-offset
 *  - time, time-offset
315 316
 *  - title, next-title, prev-title
 *  - chapter, next-chapter, next-chapter-prev
Laurent Aimar's avatar
Laurent Aimar committed
317 318
 *  - program, audio-es, video-es, spu-es
 *  - audio-delay, spu-delay
319
 *  - bookmark (bookmark list)
320 321 322 323
 *  - record
 *  - frame-next
 *  - navigation (list of "title %2i")
 *  - "title %2i"
Laurent Aimar's avatar
Laurent Aimar committed
324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377
 *
 * The variable used for event is
 *  - intf-event (\see input_event_type_e)
 */

/**
 * Input state
 *
 * This enum is used by the variable "state"
 */
typedef enum input_state_e
{
    INIT_S = 0,
    OPENING_S,
    PLAYING_S,
    PAUSE_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,
Laurent Aimar's avatar
Laurent Aimar committed
378 379
    /* b_dead is true */
    INPUT_EVENT_DEAD,
380 381
    /* a *user* abort has been requested */
    INPUT_EVENT_ABORT,
Laurent Aimar's avatar
Laurent Aimar committed
382

Laurent Aimar's avatar
Laurent Aimar committed
383 384
    /* "rate" has changed */
    INPUT_EVENT_RATE,
Laurent Aimar's avatar
Laurent Aimar committed
385

Laurent Aimar's avatar
Laurent Aimar committed
386 387 388 389 390 391 392 393 394
    /* 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,

395 396
    /* A program ("program") has been added or removed or selected,
     * or "program-scrambled" has changed.*/
Laurent Aimar's avatar
Laurent Aimar committed
397 398 399
    INPUT_EVENT_PROGRAM,
    /* A ES has been added or removed or selected */
    INPUT_EVENT_ES,
Laurent Aimar's avatar
Laurent Aimar committed
400 401
    /* "teletext-es" has changed */
    INPUT_EVENT_TELETEXT,
Laurent Aimar's avatar
Laurent Aimar committed
402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422

    /* "record" has changed */
    INPUT_EVENT_RECORD,

    /* 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,

423 424 425
    /* "bookmark" has changed */
    INPUT_EVENT_BOOKMARK,

426 427 428
    /* cache" has changed */
    INPUT_EVENT_CACHE,

429 430 431 432 433
    /* A aout_instance_t object has been created/deleted by *the input* */
    INPUT_EVENT_AOUT,
    /* A vout_thread_t object has been created/deleted by *the input* */
    INPUT_EVENT_VOUT,

Laurent Aimar's avatar
Laurent Aimar committed
434 435
} input_event_type_e;

436
/**
437
 * Input queries
438
 */
Laurent Aimar's avatar
Laurent Aimar committed
439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459
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    */

460
    /* input variable "audio-delay" and "sub-delay" */
461 462 463 464 465 466
    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 */
467 468 469 470
    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    */
471

472 473 474 475
    /* Input config options */
    INPUT_ADD_OPTION,      /* arg1= char * arg2= char *  res=can fail*/

    /* Input properties */
476
    INPUT_GET_VIDEO_FPS,         /* arg1= double *        res=can fail */
477

Laurent Aimar's avatar
Laurent Aimar committed
478
    /* bookmarks */
479
    INPUT_GET_BOOKMARK,    /* arg1= seekpoint_t *               res=can fail */
Laurent Aimar's avatar
Laurent Aimar committed
480 481 482 483 484 485
    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    */
486

487 488 489 490
    /* 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 */

491
    /* On the fly input slave */
492 493
    INPUT_ADD_SLAVE,       /* arg1= const char * */
    INPUT_ADD_SUBTITLE,    /* arg1= const char *, arg2=bool b_check_extension */
494 495 496 497

    /* On the fly record while playing */
    INPUT_SET_RECORD_STATE, /* arg1=bool    res=can fail */
    INPUT_GET_RECORD_STATE, /* arg1=bool*   res=can fail */
498 499 500

    /* ES */
    INPUT_RESTART_ES,       /* arg1=int (-AUDIO/VIDEO/SPU_ES for the whole category) */
501 502 503 504 505

    /* Input ressources
     * XXX You must call vlc_object_release as soon as possible */
    INPUT_GET_AOUT,         /* arg1=aout_instance_t **              res=can fail */
    INPUT_GET_VOUTS,        /* arg1=vout_thread_t ***, int *        res=can fail */
Laurent Aimar's avatar
Laurent Aimar committed
506 507
};

508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526
/** @}*/

/*****************************************************************************
 * Prototypes
 *****************************************************************************/

#define input_Create(a,b,c,d) __input_Create(VLC_OBJECT(a),b,c,d)
VLC_EXPORT( input_thread_t *, __input_Create, ( vlc_object_t *p_parent, input_item_t *, const char *psz_log, input_resource_t * ) );

#define input_CreateAndStart(a,b,c) __input_CreateAndStart(VLC_OBJECT(a),b,c)
VLC_EXPORT( input_thread_t *, __input_CreateAndStart, ( vlc_object_t *p_parent, input_item_t *, const char *psz_log ) );

VLC_EXPORT( int,  input_Start, ( input_thread_t * ) );

VLC_EXPORT( void, input_Stop, ( input_thread_t *, bool b_abort ) );

#define input_Read(a,b,c) __input_Read(VLC_OBJECT(a),b, c)
VLC_EXPORT( int, __input_Read, ( vlc_object_t *, input_item_t *, bool ) );

Laurent Aimar's avatar
Laurent Aimar committed
527
VLC_EXPORT( int, input_vaControl,( input_thread_t *, int i_query, va_list  ) );
528

Laurent Aimar's avatar
Laurent Aimar committed
529 530
VLC_EXPORT( int, input_Control,  ( input_thread_t *, int i_query, ...  ) );

531 532 533 534 535 536 537 538
/**
 * Get the input item for an input thread
 *
 * You have to keep a reference to the input or to the input_item_t until
 * you do not need it anymore.
 */
VLC_EXPORT( input_item_t*, input_GetItem, ( input_thread_t * ) );

539 540 541 542
/**
 * It will return the current state of the input.
 * Provided for convenience.
 */
543 544 545 546 547 548
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;
}
549 550 551 552 553 554 555 556
/**
 * It will add a new subtitle source to the input.
 * Provided for convenience.
 */
static inline int input_AddSubtitle( input_thread_t *p_input, const char *psz_url, bool b_check_extension )
{
    return input_Control( p_input, INPUT_ADD_SUBTITLE, psz_url, b_check_extension );
}
557

558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576
/**
 * Return one of the video output (if any). If possible, you should use
 * INPUT_GET_VOUTS directly and process _all_ video outputs instead.
 * @param p_input an input thread from which to get a video output
 * @return NULL on error, or a video output thread pointer (which needs to be
 * released with vlc_object_release()).
 */
static inline vout_thread_t *input_GetVout( input_thread_t *p_input )
{
     vout_thread_t **pp_vout, *p_vout;
     unsigned i_vout;

     if( input_Control( p_input, INPUT_GET_VOUTS, &pp_vout, &i_vout ) )
         return NULL;

     for( unsigned i = 1; i < i_vout; i++ )
         vlc_object_release( (vlc_object_t *)(pp_vout[i]) );

     p_vout = (i_vout >= 1) ? pp_vout[0] : NULL;
577
     free( pp_vout );
578 579 580 581 582 583 584 585 586 587 588 589
     return p_vout;
}

/**
 * Return the audio output (if any) associated with an input.
 * @param p_input an input thread
 * @return NULL on error, or the audio output (which needs to be
 * released with vlc_object_release()).
 */
static inline aout_instance_t *input_GetAout( input_thread_t *p_input )
{
     aout_instance_t *p_aout;
590
     return input_Control( p_input, INPUT_GET_AOUT, &p_aout ) ? NULL : p_aout;
591 592
}

593
/* */
594 595
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
596
VLC_EXPORT( void, input_DecoderDelete, ( decoder_t * ) );
597
VLC_EXPORT( void, input_DecoderDecode,( decoder_t *, block_t *, bool b_do_pace ) );
Laurent Aimar's avatar
Laurent Aimar committed
598

Laurent Aimar's avatar
Laurent Aimar committed
599 600 601 602 603 604 605 606 607
/**
 * 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 ) );

608 609 610 611 612
/**
 * This function creates a sane filename path.
 */
VLC_EXPORT( char *, input_CreateFilename, ( vlc_object_t *, const char *psz_path, const char *psz_prefix, const char *psz_extension ) );

Laurent Aimar's avatar
Laurent Aimar committed
613
#endif