1 /*****************************************************************************
2 * vlc_input.h: Core input structures
3 *****************************************************************************
4 * Copyright (C) 1999-2015 VLC authors and VideoLAN
5 * $Id: d20585ba33030980fa496cd042227b543f10827a $
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 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.
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 Lesser General Public License for more details.
19 *
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 *****************************************************************************/
24
25 #ifndef VLC_INPUT_H
26 #define VLC_INPUT_H 1
27
28 /**
29 * \defgroup input Input
30 * Input thread
31 * @{
32 * \file
33 * Input thread interface
34 */
35
36 #include <vlc_es.h>
37 #include <vlc_meta.h>
38 #include <vlc_epg.h>
39 #include <vlc_events.h>
40 #include <vlc_input_item.h>
41 #include <vlc_vout.h>
42 #include <vlc_vout_osd.h>
43
44 #include <string.h>
45
46 /*****************************************************************************
47 * Seek point: (generalisation of chapters)
48 *****************************************************************************/
49 struct seekpoint_t
50 {
51 int64_t i_time_offset;
52 char *psz_name;
53 };
54
vlc_seekpoint_New(void)55 static inline seekpoint_t *vlc_seekpoint_New( void )
56 {
57 seekpoint_t *point = (seekpoint_t*)malloc( sizeof( seekpoint_t ) );
58 if( !point )
59 return NULL;
60 point->i_time_offset = -1;
61 point->psz_name = NULL;
62 return point;
63 }
64
vlc_seekpoint_Delete(seekpoint_t * point)65 static inline void vlc_seekpoint_Delete( seekpoint_t *point )
66 {
67 if( !point ) return;
68 free( point->psz_name );
69 free( point );
70 }
71
vlc_seekpoint_Duplicate(const seekpoint_t * src)72 static inline seekpoint_t *vlc_seekpoint_Duplicate( const seekpoint_t *src )
73 {
74 seekpoint_t *point = vlc_seekpoint_New();
75 if( likely(point) )
76 {
77 if( src->psz_name ) point->psz_name = strdup( src->psz_name );
78 point->i_time_offset = src->i_time_offset;
79 }
80 return point;
81 }
82
83 /*****************************************************************************
84 * Title:
85 *****************************************************************************/
86
87 /* input_title_t.i_flags field */
88 #define INPUT_TITLE_MENU 0x01 /* Menu title */
89 #define INPUT_TITLE_INTERACTIVE 0x02 /* Interactive title. Playback position has no meaning. */
90
91 typedef struct input_title_t
92 {
93 char *psz_name;
94
95 int64_t i_length; /* Length(microsecond) if known, else 0 */
96
97 unsigned i_flags; /* Is it a menu or a normal entry */
98
99 /* Title seekpoint */
100 int i_seekpoint;
101 seekpoint_t **seekpoint;
102 } input_title_t;
103
vlc_input_title_New(void)104 static inline input_title_t *vlc_input_title_New(void)
105 {
106 input_title_t *t = (input_title_t*)malloc( sizeof( input_title_t ) );
107 if( !t )
108 return NULL;
109
110 t->psz_name = NULL;
111 t->i_flags = 0;
112 t->i_length = 0;
113 t->i_seekpoint = 0;
114 t->seekpoint = NULL;
115
116 return t;
117 }
118
vlc_input_title_Delete(input_title_t * t)119 static inline void vlc_input_title_Delete( input_title_t *t )
120 {
121 int i;
122 if( t == NULL )
123 return;
124
125 free( t->psz_name );
126 for( i = 0; i < t->i_seekpoint; i++ )
127 vlc_seekpoint_Delete( t->seekpoint[i] );
128 free( t->seekpoint );
129 free( t );
130 }
131
vlc_input_title_Duplicate(const input_title_t * t)132 static inline input_title_t *vlc_input_title_Duplicate( const input_title_t *t )
133 {
134 input_title_t *dup = vlc_input_title_New( );
135 if( dup == NULL) return NULL;
136
137 if( t->psz_name ) dup->psz_name = strdup( t->psz_name );
138 dup->i_flags = t->i_flags;
139 dup->i_length = t->i_length;
140 if( t->i_seekpoint > 0 )
141 {
142 dup->seekpoint = (seekpoint_t**)vlc_alloc( t->i_seekpoint, sizeof(seekpoint_t*) );
143 if( likely(dup->seekpoint) )
144 {
145 for( int i = 0; i < t->i_seekpoint; i++ )
146 dup->seekpoint[i] = vlc_seekpoint_Duplicate( t->seekpoint[i] );
147 dup->i_seekpoint = t->i_seekpoint;
148 }
149 }
150
151 return dup;
152 }
153
154 /*****************************************************************************
155 * Attachments
156 *****************************************************************************/
157 struct input_attachment_t
158 {
159 char *psz_name;
160 char *psz_mime;
161 char *psz_description;
162
163 size_t i_data;
164 void *p_data;
165 };
166
vlc_input_attachment_Delete(input_attachment_t * a)167 static inline void vlc_input_attachment_Delete( input_attachment_t *a )
168 {
169 if( !a )
170 return;
171
172 free( a->p_data );
173 free( a->psz_description );
174 free( a->psz_mime );
175 free( a->psz_name );
176 free( a );
177 }
178
vlc_input_attachment_New(const char * psz_name,const char * psz_mime,const char * psz_description,const void * p_data,size_t i_data)179 static inline input_attachment_t *vlc_input_attachment_New( const char *psz_name,
180 const char *psz_mime,
181 const char *psz_description,
182 const void *p_data,
183 size_t i_data )
184 {
185 input_attachment_t *a = (input_attachment_t *)malloc( sizeof (*a) );
186 if( unlikely(a == NULL) )
187 return NULL;
188
189 a->psz_name = strdup( psz_name ? psz_name : "" );
190 a->psz_mime = strdup( psz_mime ? psz_mime : "" );
191 a->psz_description = strdup( psz_description ? psz_description : "" );
192 a->i_data = i_data;
193 a->p_data = malloc( i_data );
194 if( i_data > 0 && likely(a->p_data != NULL) )
195 memcpy( a->p_data, p_data, i_data );
196
197 if( unlikely(a->psz_name == NULL || a->psz_mime == NULL
198 || a->psz_description == NULL || (i_data > 0 && a->p_data == NULL)) )
199 {
200 vlc_input_attachment_Delete( a );
201 a = NULL;
202 }
203 return a;
204 }
205
vlc_input_attachment_Duplicate(const input_attachment_t * a)206 static inline input_attachment_t *vlc_input_attachment_Duplicate( const input_attachment_t *a )
207 {
208 return vlc_input_attachment_New( a->psz_name, a->psz_mime, a->psz_description,
209 a->p_data, a->i_data );
210 }
211
212 /*****************************************************************************
213 * input defines/constants.
214 *****************************************************************************/
215
216 /**
217 * This defines an opaque input resource handler.
218 */
219 typedef struct input_resource_t input_resource_t;
220
221 /**
222 * Main structure representing an input thread. This structure is mostly
223 * private. The only public fields are read-only and constant.
224 */
225 struct input_thread_t
226 {
227 VLC_COMMON_MEMBERS
228 };
229
230 /**
231 * Record prefix string.
232 * TODO make it configurable.
233 */
234 #define INPUT_RECORD_PREFIX "vlc-record-%Y-%m-%d-%Hh%Mm%Ss-$ N-$ p"
235
236 /*****************************************************************************
237 * Input events and variables
238 *****************************************************************************/
239
240 /**
241 * \defgroup inputvariable Input variables
242 *
243 * The input provides multiples variable you can write to and/or read from.
244 *
245 * TODO complete the documentation.
246 * The read only variables are:
247 * - "length"
248 * - "can-seek" (if you can seek, it doesn't say if 'bar display' has be shown
249 * or not, for that check position != 0.0)
250 * - "can-pause"
251 * - "can-rate"
252 * - "can-rewind"
253 * - "can-record" (if a stream can be recorded while playing)
254 * - "teletext-es" (list of id from the spu tracks (spu-es) that are teletext, the
255 * variable value being the one currently selected, -1 if no teletext)
256 * - "signal-quality"
257 * - "signal-strength"
258 * - "program-scrambled" (if the current program is scrambled)
259 * - "cache" (level of data cached [0 .. 1])
260 *
261 * The read-write variables are:
262 * - state (\see input_state_e)
263 * - rate
264 * - position
265 * - time, time-offset
266 * - title, next-title, prev-title
267 * - chapter, next-chapter, next-chapter-prev
268 * - program, audio-es, video-es, spu-es
269 * - audio-delay, spu-delay
270 * - bookmark (bookmark list)
271 * - record
272 * - frame-next
273 * - navigation (list of "title %2i")
274 * - "title %2i"
275 *
276 * The variable used for event is
277 * - intf-event (\see input_event_type_e)
278 */
279
280 /**
281 * Input state
282 *
283 * This enum is used by the variable "state"
284 */
285 typedef enum input_state_e
286 {
287 INIT_S = 0,
288 OPENING_S,
289 PLAYING_S,
290 PAUSE_S,
291 END_S,
292 ERROR_S,
293 } input_state_e;
294
295 /**
296 * Input rate.
297 *
298 * It is an float used by the variable "rate" in the
299 * range [INPUT_RATE_DEFAULT/INPUT_RATE_MAX, INPUT_RATE_DEFAULT/INPUT_RATE_MIN]
300 * the default value being 1. It represents the ratio of playback speed to
301 * nominal speed (bigger is faster).
302 *
303 * Internally, the rate is stored as a value in the range
304 * [INPUT_RATE_MIN, INPUT_RATE_MAX].
305 * internal rate = INPUT_RATE_DEFAULT / rate variable
306 */
307
308 /**
309 * Default rate value
310 */
311 #define INPUT_RATE_DEFAULT 1000
312 /**
313 * Minimal rate value
314 */
315 #define INPUT_RATE_MIN 32 /* Up to 32/1 */
316 /**
317 * Maximal rate value
318 */
319 #define INPUT_RATE_MAX 32000 /* Up to 1/32 */
320
321 /**
322 * Input events
323 *
324 * You can catch input event by adding a callback on the variable "intf-event".
325 * This variable is an integer that will hold a input_event_type_e value.
326 */
327 typedef enum input_event_type_e
328 {
329 /* "state" has changed */
330 INPUT_EVENT_STATE,
331 /* b_dead is true */
332 INPUT_EVENT_DEAD,
333
334 /* "rate" has changed */
335 INPUT_EVENT_RATE,
336
337 /* At least one of "position" or "time" */
338 INPUT_EVENT_POSITION,
339
340 /* "length" has changed */
341 INPUT_EVENT_LENGTH,
342
343 /* A title has been added or removed or selected.
344 * It implies that the chapter has changed (no chapter event is sent) */
345 INPUT_EVENT_TITLE,
346 /* A chapter has been added or removed or selected. */
347 INPUT_EVENT_CHAPTER,
348
349 /* A program ("program") has been added or removed or selected,
350 * or "program-scrambled" has changed.*/
351 INPUT_EVENT_PROGRAM,
352 /* A ES has been added or removed or selected */
353 INPUT_EVENT_ES,
354 /* "teletext-es" has changed */
355 INPUT_EVENT_TELETEXT,
356
357 /* "record" has changed */
358 INPUT_EVENT_RECORD,
359
360 /* input_item_t media has changed */
361 INPUT_EVENT_ITEM_META,
362 /* input_item_t info has changed */
363 INPUT_EVENT_ITEM_INFO,
364 /* input_item_t epg has changed */
365 INPUT_EVENT_ITEM_EPG,
366
367 /* Input statistics have been updated */
368 INPUT_EVENT_STATISTICS,
369 /* At least one of "signal-quality" or "signal-strength" has changed */
370 INPUT_EVENT_SIGNAL,
371
372 /* "audio-delay" has changed */
373 INPUT_EVENT_AUDIO_DELAY,
374 /* "spu-delay" has changed */
375 INPUT_EVENT_SUBTITLE_DELAY,
376
377 /* "bookmark" has changed */
378 INPUT_EVENT_BOOKMARK,
379
380 /* cache" has changed */
381 INPUT_EVENT_CACHE,
382
383 /* A audio_output_t object has been created/deleted by *the input* */
384 INPUT_EVENT_AOUT,
385 /* A vout_thread_t object has been created/deleted by *the input* */
386 INPUT_EVENT_VOUT,
387
388 } input_event_type_e;
389
390 /**
391 * Input queries
392 */
393 enum input_query_e
394 {
395 /* input variable "position" */
396 INPUT_GET_POSITION, /* arg1= double * res= */
397 INPUT_SET_POSITION, /* arg1= double res=can fail */
398
399 /* input variable "length" */
400 INPUT_GET_LENGTH, /* arg1= int64_t * res=can fail */
401
402 /* input variable "time" */
403 INPUT_GET_TIME, /* arg1= int64_t * res= */
404 INPUT_SET_TIME, /* arg1= int64_t res=can fail */
405
406 /* input variable "rate" (nominal is INPUT_RATE_DEFAULT) */
407 INPUT_GET_RATE, /* arg1= int * res= */
408 INPUT_SET_RATE, /* arg1= int res=can fail */
409
410 /* input variable "state" */
411 INPUT_GET_STATE, /* arg1= int * res= */
412 INPUT_SET_STATE, /* arg1= int res=can fail */
413
414 /* input variable "audio-delay" and "sub-delay" */
415 INPUT_GET_AUDIO_DELAY, /* arg1 = int* res=can fail */
416 INPUT_SET_AUDIO_DELAY, /* arg1 = int res=can fail */
417 INPUT_GET_SPU_DELAY, /* arg1 = int* res=can fail */
418 INPUT_SET_SPU_DELAY, /* arg1 = int res=can fail */
419
420 /* Menu (VCD/DVD/BD) Navigation */
421 /** Activate the navigation item selected. res=can fail */
422 INPUT_NAV_ACTIVATE,
423 /** Use the up arrow to select a navigation item above. res=can fail */
424 INPUT_NAV_UP,
425 /** Use the down arrow to select a navigation item under. res=can fail */
426 INPUT_NAV_DOWN,
427 /** Use the left arrow to select a navigation item on the left. res=can fail */
428 INPUT_NAV_LEFT,
429 /** Use the right arrow to select a navigation item on the right. res=can fail */
430 INPUT_NAV_RIGHT,
431 /** Activate the popup Menu (for BD). res=can fail */
432 INPUT_NAV_POPUP,
433 /** Activate disc Root Menu. res=can fail */
434 INPUT_NAV_MENU,
435
436 /* Meta datas */
437 INPUT_ADD_INFO, /* arg1= char* arg2= char* arg3=... res=can fail */
438 INPUT_REPLACE_INFOS,/* arg1= info_category_t * res=cannot fail */
439 INPUT_MERGE_INFOS,/* arg1= info_category_t * res=cannot fail */
440 INPUT_DEL_INFO, /* arg1= char* arg2= char* res=can fail */
441
442 /* bookmarks */
443 INPUT_GET_BOOKMARK, /* arg1= seekpoint_t * res=can fail */
444 INPUT_GET_BOOKMARKS, /* arg1= seekpoint_t *** arg2= int * res=can fail */
445 INPUT_CLEAR_BOOKMARKS, /* res=can fail */
446 INPUT_ADD_BOOKMARK, /* arg1= seekpoint_t * res=can fail */
447 INPUT_CHANGE_BOOKMARK, /* arg1= seekpoint_t * arg2= int * res=can fail */
448 INPUT_DEL_BOOKMARK, /* arg1= seekpoint_t * res=can fail */
449 INPUT_SET_BOOKMARK, /* arg1= int res=can fail */
450
451 /* titles */
452 INPUT_GET_TITLE_INFO, /* arg1=input_title_t** arg2= int * res=can fail */
453 INPUT_GET_FULL_TITLE_INFO, /* arg1=input_title_t*** arg2= int * res=can fail */
454
455 /* seekpoints */
456 INPUT_GET_SEEKPOINTS, /* arg1=seekpoint_t*** arg2= int * res=can fail */
457
458 /* Attachments */
459 INPUT_GET_ATTACHMENTS, /* arg1=input_attachment_t***, arg2=int* res=can fail */
460 INPUT_GET_ATTACHMENT, /* arg1=input_attachment_t**, arg2=char* res=can fail */
461
462 /* On the fly input slave */
463 INPUT_ADD_SLAVE, /* arg1= enum slave_type, arg2= const char *,
464 * arg3= bool forced, arg4= bool notify,
465 * arg5= bool check_extension */
466
467 /* On the fly record while playing */
468 INPUT_SET_RECORD_STATE, /* arg1=bool res=can fail */
469 INPUT_GET_RECORD_STATE, /* arg1=bool* res=can fail */
470
471 /* ES */
472 INPUT_RESTART_ES, /* arg1=int (-AUDIO/VIDEO/SPU_ES for the whole category) */
473
474 /* Viewpoint */
475 INPUT_UPDATE_VIEWPOINT, /* arg1=(const vlc_viewpoint_t*), arg2=bool b_absolute */
476 INPUT_SET_INITIAL_VIEWPOINT, /* arg1=(const vlc_viewpoint_t*) */
477
478 /* Input ressources
479 * XXX You must call vlc_object_release as soon as possible */
480 INPUT_GET_AOUT, /* arg1=audio_output_t ** res=can fail */
481 INPUT_GET_VOUTS, /* arg1=vout_thread_t ***, size_t * res=can fail */
482 INPUT_GET_ES_OBJECTS, /* arg1=int id, vlc_object_t **dec, vout_thread_t **, audio_output_t ** */
483
484 /* Renderers */
485 INPUT_SET_RENDERER, /* arg1=vlc_renderer_item_t* */
486
487 /* External clock managments */
488 INPUT_GET_PCR_SYSTEM, /* arg1=mtime_t *, arg2=mtime_t * res=can fail */
489 INPUT_MODIFY_PCR_SYSTEM,/* arg1=int absolute, arg2=mtime_t res=can fail */
490 };
491
492 /** @}*/
493
494 /*****************************************************************************
495 * Prototypes
496 *****************************************************************************/
497
498 VLC_API input_thread_t * input_Create( vlc_object_t *p_parent, input_item_t *,
499 const char *psz_log, input_resource_t *,
500 vlc_renderer_item_t* p_renderer ) VLC_USED;
501 #define input_Create(a,b,c,d,e) input_Create(VLC_OBJECT(a),b,c,d,e)
502
503 VLC_API int input_Start( input_thread_t * );
504
505 VLC_API void input_Stop( input_thread_t * );
506
507 VLC_API int input_Read( vlc_object_t *, input_item_t * );
508 #define input_Read(a,b) input_Read(VLC_OBJECT(a),b)
509
510 VLC_API int input_vaControl( input_thread_t *, int i_query, va_list );
511
512 VLC_API int input_Control( input_thread_t *, int i_query, ... );
513
514 VLC_API void input_Close( input_thread_t * );
515
516 /**
517 * Create a new input_thread_t and start it.
518 *
519 * Provided for convenience.
520 *
521 * \see input_Create
522 */
523 static inline
input_CreateAndStart(vlc_object_t * parent,input_item_t * item,const char * log)524 input_thread_t *input_CreateAndStart( vlc_object_t *parent,
525 input_item_t *item, const char *log )
526 {
527 input_thread_t *input = input_Create( parent, item, log, NULL, NULL );
528 if( input != NULL && input_Start( input ) )
529 {
530 vlc_object_release( input );
531 input = NULL;
532 }
533 return input;
534 }
535 #define input_CreateAndStart(a,b,c) input_CreateAndStart(VLC_OBJECT(a),b,c)
536
537 /**
538 * Get the input item for an input thread
539 *
540 * You have to keep a reference to the input or to the input_item_t until
541 * you do not need it anymore.
542 */
543 VLC_API input_item_t* input_GetItem( input_thread_t * ) VLC_USED;
544
545 /**
546 * It will return the current state of the input.
547 * Provided for convenience.
548 */
input_GetState(input_thread_t * p_input)549 static inline input_state_e input_GetState( input_thread_t * p_input )
550 {
551 input_state_e state = INIT_S;
552 input_Control( p_input, INPUT_GET_STATE, &state );
553 return state;
554 }
555
556 /**
557 * Return one of the video output (if any). If possible, you should use
558 * INPUT_GET_VOUTS directly and process _all_ video outputs instead.
559 * @param p_input an input thread from which to get a video output
560 * @return NULL on error, or a video output thread pointer (which needs to be
561 * released with vlc_object_release()).
562 */
input_GetVout(input_thread_t * p_input)563 static inline vout_thread_t *input_GetVout( input_thread_t *p_input )
564 {
565 vout_thread_t **pp_vout, *p_vout;
566 size_t i_vout;
567
568 if( input_Control( p_input, INPUT_GET_VOUTS, &pp_vout, &i_vout ) )
569 return NULL;
570
571 for( size_t i = 1; i < i_vout; i++ )
572 vlc_object_release( (vlc_object_t *)(pp_vout[i]) );
573
574 p_vout = (i_vout >= 1) ? pp_vout[0] : NULL;
575 free( pp_vout );
576 return p_vout;
577 }
578
input_AddSlave(input_thread_t * p_input,enum slave_type type,const char * psz_uri,bool b_forced,bool b_notify,bool b_check_ext)579 static inline int input_AddSlave( input_thread_t *p_input, enum slave_type type,
580 const char *psz_uri, bool b_forced,
581 bool b_notify, bool b_check_ext )
582 {
583 return input_Control( p_input, INPUT_ADD_SLAVE, type, psz_uri, b_forced,
584 b_notify, b_check_ext );
585 }
586
587 /**
588 * Update the viewpoint of the input thread. The viewpoint will be applied to
589 * all vouts and aouts.
590 *
591 * @param p_input an input thread
592 * @param p_viewpoint the viewpoint value
593 * @param b_absolute if true replace the old viewpoint with the new one. If
594 * false, increase/decrease it.
595 * @return VLC_SUCCESS or a VLC error code
596 */
input_UpdateViewpoint(input_thread_t * p_input,const vlc_viewpoint_t * p_viewpoint,bool b_absolute)597 static inline int input_UpdateViewpoint( input_thread_t *p_input,
598 const vlc_viewpoint_t *p_viewpoint,
599 bool b_absolute )
600 {
601 return input_Control( p_input, INPUT_UPDATE_VIEWPOINT, p_viewpoint,
602 b_absolute );
603 }
604
605 /**
606 * Return the audio output (if any) associated with an input.
607 * @param p_input an input thread
608 * @return NULL on error, or the audio output (which needs to be
609 * released with vlc_object_release()).
610 */
input_GetAout(input_thread_t * p_input)611 static inline audio_output_t *input_GetAout( input_thread_t *p_input )
612 {
613 audio_output_t *p_aout;
614 return input_Control( p_input, INPUT_GET_AOUT, &p_aout ) ? NULL : p_aout;
615 }
616
617 /**
618 * Returns the objects associated to an ES.
619 *
620 * You must release all non NULL object using vlc_object_release.
621 * You may set pointer of pointer to NULL to avoid retreiving it.
622 */
input_GetEsObjects(input_thread_t * p_input,int i_id,vlc_object_t ** pp_decoder,vout_thread_t ** pp_vout,audio_output_t ** pp_aout)623 static inline int input_GetEsObjects( input_thread_t *p_input, int i_id,
624 vlc_object_t **pp_decoder,
625 vout_thread_t **pp_vout, audio_output_t **pp_aout )
626 {
627 return input_Control( p_input, INPUT_GET_ES_OBJECTS, i_id,
628 pp_decoder, pp_vout, pp_aout );
629 }
630
631 /**
632 * \see input_clock_GetSystemOrigin
633 */
input_GetPcrSystem(input_thread_t * p_input,mtime_t * pi_system,mtime_t * pi_delay)634 static inline int input_GetPcrSystem( input_thread_t *p_input, mtime_t *pi_system, mtime_t *pi_delay )
635 {
636 return input_Control( p_input, INPUT_GET_PCR_SYSTEM, pi_system, pi_delay );
637 }
638 /**
639 * \see input_clock_ChangeSystemOrigin
640 */
input_ModifyPcrSystem(input_thread_t * p_input,bool b_absolute,mtime_t i_system)641 static inline int input_ModifyPcrSystem( input_thread_t *p_input, bool b_absolute, mtime_t i_system )
642 {
643 return input_Control( p_input, INPUT_MODIFY_PCR_SYSTEM, b_absolute, i_system );
644 }
645
646 /* */
647 VLC_API decoder_t * input_DecoderCreate( vlc_object_t *, const es_format_t *, input_resource_t * ) VLC_USED;
648 VLC_API void input_DecoderDelete( decoder_t * );
649 VLC_API void input_DecoderDecode( decoder_t *, block_t *, bool b_do_pace );
650 VLC_API void input_DecoderDrain( decoder_t * );
651 VLC_API void input_DecoderFlush( decoder_t * );
652
653 /**
654 * This function creates a sane filename path.
655 */
656 VLC_API char * input_CreateFilename( input_thread_t *, const char *psz_path, const char *psz_prefix, const char *psz_extension ) VLC_USED;
657
658 /**
659 * It creates an empty input resource handler.
660 *
661 * The given object MUST stay alive as long as the input_resource_t is
662 * not deleted.
663 */
664 VLC_API input_resource_t * input_resource_New( vlc_object_t * ) VLC_USED;
665
666 /**
667 * It releases an input resource.
668 */
669 VLC_API void input_resource_Release( input_resource_t * );
670
671 /**
672 * Forcefully destroys the video output (e.g. when the playlist is stopped).
673 */
674 VLC_API void input_resource_TerminateVout( input_resource_t * );
675
676 /**
677 * This function releases all resources (object).
678 */
679 VLC_API void input_resource_Terminate( input_resource_t * );
680
681 /**
682 * \return the current audio output if any.
683 * Use vlc_object_release() to drop the reference.
684 */
685 VLC_API audio_output_t *input_resource_HoldAout( input_resource_t * );
686
687 /**
688 * This function creates or recycles an audio output.
689 */
690 VLC_API audio_output_t *input_resource_GetAout( input_resource_t * );
691
692 /**
693 * This function retains or destroys an audio output.
694 */
695 VLC_API void input_resource_PutAout( input_resource_t *, audio_output_t * );
696
697 /**
698 * Prevents the existing audio output (if any) from being recycled.
699 */
700 VLC_API void input_resource_ResetAout( input_resource_t * );
701
702 /** @} */
703 #endif
704