input.c 98.2 KB
Newer Older
1
2
/*****************************************************************************
 * input.c: input thread
3
 *****************************************************************************
4
 * Copyright (C) 1998-2007 the VideoLAN team
5
 * $Id$
6
 *
7
 * Authors: Christophe Massiot <massiot@via.ecp.fr>
Laurent Aimar's avatar
Laurent Aimar committed
8
 *          Laurent Aimar <fenrir@via.ecp.fr>
9
10
11
12
13
 *
 * 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.
14
 *
15
16
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17
18
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
19
 *
20
21
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
dionoea's avatar
dionoea committed
22
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23
 *****************************************************************************/
Michel Kaempf's avatar
Michel Kaempf committed
24

25
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
26
 * Preamble
27
 *****************************************************************************/
28
29
30
31
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

32
#include <vlc/vlc.h>
Sam Hocevar's avatar
   
Sam Hocevar committed
33

34
#include <ctype.h>
Christophe Mutricy's avatar
Christophe Mutricy committed
35
#include <limits.h>
36
#include <assert.h>
37

Laurent Aimar's avatar
Laurent Aimar committed
38
#include "input_internal.h"
39

zorglub's avatar
zorglub committed
40
41
#include <vlc_sout.h>
#include "../stream_output/stream_output.h"
Sam Hocevar's avatar
   
Sam Hocevar committed
42

zorglub's avatar
zorglub committed
43
44
45
#include <vlc_playlist.h>
#include <vlc_interface.h>
#include <vlc_url.h>
zorglub's avatar
Ah Ah    
zorglub committed
46
#include <vlc_demux.h>
zorglub's avatar
zorglub committed
47
#include <vlc_charset.h>
48

49
50
51
52
#ifdef HAVE_SYS_STAT_H
#   include <sys/stat.h>
#endif

53
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
54
 * Local prototypes
55
 *****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
56
static  int Run  ( input_thread_t *p_input );
57
static  int RunAndDestroy  ( input_thread_t *p_input );
Laurent Aimar's avatar
Laurent Aimar committed
58

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
59
static input_thread_t * Create  ( vlc_object_t *, input_item_t *,
60
                                  const char *, vlc_bool_t, sout_instance_t * );
61
static  int             Init    ( input_thread_t *p_input );
62
63
64
static void             Error   ( input_thread_t *p_input );
static void             End     ( input_thread_t *p_input );
static void             MainLoop( input_thread_t *p_input );
65
static void             Destroy( input_thread_t *p_input, sout_instance_t **pp_sout );
Laurent Aimar's avatar
Laurent Aimar committed
66
67
68
69

static inline int ControlPopNoLock( input_thread_t *, int *, vlc_value_t * );
static void       ControlReduce( input_thread_t * );
static vlc_bool_t Control( input_thread_t *, int, vlc_value_t );
70

71
72
static int  UpdateFromAccess( input_thread_t * );
static int  UpdateFromDemux( input_thread_t * );
Michel Kaempf's avatar
Michel Kaempf committed
73

74
static void UpdateItemLength( input_thread_t *, int64_t i_length );
75

76
static void MRLSections( input_thread_t *, char *, int *, int *, int *, int *);
77
78

static input_source_t *InputSourceNew( input_thread_t *);
Laurent Aimar's avatar
   
Laurent Aimar committed
79
static int  InputSourceInit( input_thread_t *, input_source_t *,
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
80
                             const char *, const char *psz_forced_demux );
81
static void InputSourceClean( input_source_t * );
82
83
/* TODO */
//static void InputGetAttachments( input_thread_t *, input_source_t * );
84
85
static void SlaveDemux( input_thread_t *p_input );
static void SlaveSeek( input_thread_t *p_input );
86

87
88
static void InputMetaUser( input_thread_t *p_input, vlc_meta_t *p_meta );
static void InputUpdateMeta( input_thread_t *p_input, vlc_meta_t *p_meta );
89

90
91
92
static sout_instance_t *SoutFind( vlc_object_t *p_parent, input_item_t *p_item, vlc_bool_t * );
static void SoutKeep( sout_instance_t * );

93
94
95
96
static void DemuxMeta( input_thread_t *p_input, vlc_meta_t *p_meta, demux_t *p_demux );
static void AppendAttachment( int *pi_attachment, input_attachment_t ***ppp_attachment,
                              int i_new, input_attachment_t **pp_new );

97
/*****************************************************************************
98
99
 * This function creates a new input, and returns a pointer
 * to its description. On error, it returns NULL.
Laurent Aimar's avatar
Laurent Aimar committed
100
101
102
103
104
105
106
107
108
109
 *
 * Variables for _public_ use:
 * * Get and Set:
 *  - state
 *  - rate,rate-slower, rate-faster
 *  - position, position-offset
 *  - time, time-offset
 *  - title,title-next,title-prev
 *  - chapter,chapter-next, chapter-prev
 *  - program, audio-es, video-es, spu-es
110
 *  - audio-delay, spu-delay
Laurent Aimar's avatar
Laurent Aimar committed
111
112
113
114
 *  - bookmark
 * * Get only:
 *  - length
 *  - bookmarks
115
 *  - seekable (if you can seek, it doesn't say if 'bar display' has be shown or not, for that check position != 0.0)
116
 *  - can-pause
Laurent Aimar's avatar
Laurent Aimar committed
117
118
 * * For intf callback upon changes
 *  - intf-change
119
 *  - rate-change for when playback rate changes
Laurent Aimar's avatar
Laurent Aimar committed
120
121
 * TODO explain when Callback is called
 * TODO complete this list (?)
122
 *****************************************************************************/
123
static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
124
                               const char *psz_header, vlc_bool_t b_quick, sout_instance_t *p_sout )
Michel Kaempf's avatar
Michel Kaempf committed
125
{
126
    input_thread_t *p_input = NULL;                 /* thread descriptor */
127
128
    vlc_value_t val;
    int i;
129

130
    /* Allocate descriptor */
131
    p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
132
    if( p_input == NULL )
Michel Kaempf's avatar
Michel Kaempf committed
133
    {
134
        msg_Err( p_parent, "out of memory" );
135
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
136
    }
zorglub's avatar
zorglub committed
137
    MALLOC_NULL( p_input->p, input_thread_private_t );
138
139
140
141
142
143
144
145
146
147
148
149
150

    /* One "randomly" selected input thread is responsible for computing
     * the global stats. Check if there is already someone doing this */
    if( p_input->p_libvlc->p_playlist->p_stats && !b_quick )
    {
        vlc_mutex_lock( &p_input->p_libvlc->p_playlist->p_stats->lock );
        if( p_input->p_libvlc->p_playlist->p_stats_computer == NULL )
        {
            p_input->p_libvlc->p_playlist->p_stats_computer = p_input;
        }
        vlc_mutex_unlock( &p_input->p_libvlc->p_playlist->p_stats->lock );
    }

151
    p_input->b_preparsing = b_quick;
152
    p_input->psz_header = psz_header ? strdup( psz_header ) : NULL;
153

Laurent Aimar's avatar
Laurent Aimar committed
154
155
    /* Init Common fields */
    p_input->b_eof = VLC_FALSE;
156
    p_input->b_can_pace_control = VLC_TRUE;
zorglub's avatar
zorglub committed
157
    p_input->p->i_start = 0;
Laurent Aimar's avatar
Laurent Aimar committed
158
    p_input->i_time  = 0;
zorglub's avatar
zorglub committed
159
    p_input->p->i_stop  = 0;
160
    p_input->p->i_run  = 0;
zorglub's avatar
zorglub committed
161
162
163
    p_input->p->i_title = 0;
    p_input->p->title   = NULL;
    p_input->p->i_title_offset = p_input->p->i_seekpoint_offset = 0;
Laurent Aimar's avatar
Laurent Aimar committed
164
    p_input->i_state = INIT_S;
zorglub's avatar
zorglub committed
165
    p_input->p->i_rate  = INPUT_RATE_DEFAULT;
166
167
    TAB_INIT( p_input->p->i_bookmark, p_input->p->bookmark );
    TAB_INIT( p_input->p->i_attachment, p_input->p->attachment );
zorglub's avatar
zorglub committed
168
169
    p_input->p->p_es_out = NULL;
    p_input->p->p_sout  = NULL;
170
    p_input->p->b_sout_keep  = VLC_FALSE;
zorglub's avatar
zorglub committed
171
    p_input->p->b_out_pace_control = VLC_FALSE;
Laurent Aimar's avatar
Laurent Aimar committed
172
173
174
    p_input->i_pts_delay = 0;

    /* Init Input fields */
zorglub's avatar
zorglub committed
175
176
177
178
179
180
181
182
183
    p_input->p->input.p_item = p_item;
    p_input->p->input.p_access = NULL;
    p_input->p->input.p_stream = NULL;
    p_input->p->input.p_demux  = NULL;
    p_input->p->input.b_title_demux = VLC_FALSE;
    p_input->p->input.i_title  = 0;
    p_input->p->input.title    = NULL;
    p_input->p->input.i_title_offset = p_input->p->input.i_seekpoint_offset = 0;
    p_input->p->input.b_can_pace_control = VLC_TRUE;
184
185
    p_input->p->input.b_can_rate_control = VLC_TRUE;
    p_input->p->input.b_rescale_ts = VLC_TRUE;
zorglub's avatar
zorglub committed
186
187
188
    p_input->p->input.b_eof = VLC_FALSE;
    p_input->p->input.i_cr_average = 0;

189
    vlc_mutex_lock( &p_item->lock );
190
191

    if( !p_item->p_stats )
192
193
        p_item->p_stats = stats_NewInputStats( p_input );
    vlc_mutex_unlock( &p_item->lock );
zorglub's avatar
zorglub committed
194

195
    /* No slave */
zorglub's avatar
zorglub committed
196
197
    p_input->p->i_slave = 0;
    p_input->p->slave   = NULL;
198

Laurent Aimar's avatar
Laurent Aimar committed
199
    /* Init control buffer */
zorglub's avatar
zorglub committed
200
201
    vlc_mutex_init( p_input, &p_input->p->lock_control );
    p_input->p->i_control = 0;
202

gbazin's avatar
   
gbazin committed
203
    /* Parse input options */
204
    vlc_mutex_lock( &p_item->lock );
205
    assert( p_item->optflagc == p_item->i_options );
206
    for( i = 0; i < p_item->i_options; i++ )
207
208
        var_OptionParse( VLC_OBJECT(p_input), p_item->ppsz_options[i],
                         !!(p_item->optflagv[i] & VLC_INPUT_OPTION_TRUSTED) );
209
    vlc_mutex_unlock( &p_item->lock );
gbazin's avatar
   
gbazin committed
210

Laurent Aimar's avatar
Laurent Aimar committed
211
212
    /* Create Object Variables for private use only */
    input_ConfigVarInit( p_input );
Michel Kaempf's avatar
Michel Kaempf committed
213

Laurent Aimar's avatar
Laurent Aimar committed
214
    /* Create Objects variables for public Get and Set */
215
    input_ControlVarInit( p_input );
216

zorglub's avatar
zorglub committed
217
    p_input->p->input.i_cr_average = var_GetInteger( p_input, "cr-average" );
gbazin's avatar
gbazin committed
218

219
    if( !p_input->b_preparsing )
gbazin's avatar
gbazin committed
220
    {
221
222
        var_Get( p_input, "bookmarks", &val );
        if( val.psz_string )
gbazin's avatar
gbazin committed
223
        {
224
225
226
227
            /* FIXME: have a common cfg parsing routine used by sout and others */
            char *psz_parser, *psz_start, *psz_end;
            psz_parser = val.psz_string;
            while( (psz_start = strchr( psz_parser, '{' ) ) )
gbazin's avatar
gbazin committed
228
            {
229
230
231
232
233
234
235
236
237
238
239
240
241
242
                 seekpoint_t *p_seekpoint = vlc_seekpoint_New();
                 char backup;
                 psz_start++;
                 psz_end = strchr( psz_start, '}' );
                 if( !psz_end ) break;
                 psz_parser = psz_end + 1;
                 backup = *psz_parser;
                 *psz_parser = 0;
                 *psz_end = ',';
                 while( (psz_end = strchr( psz_start, ',' ) ) )
                 {
                     *psz_end = 0;
                     if( !strncmp( psz_start, "name=", 5 ) )
                     {
243
                         p_seekpoint->psz_name = strdup(psz_start + 5);
244
245
246
247
248
249
250
                     }
                     else if( !strncmp( psz_start, "bytes=", 6 ) )
                     {
                         p_seekpoint->i_byte_offset = atoll(psz_start + 6);
                     }
                     else if( !strncmp( psz_start, "time=", 5 ) )
                     {
zorglub's avatar
zorglub committed
251
252
                         p_seekpoint->i_time_offset = atoll(psz_start + 5) *
                                                        1000000;
253
254
                     }
                     psz_start = psz_end + 1;
gbazin's avatar
gbazin committed
255
                }
256
257
258
259
260
261
                msg_Dbg( p_input, "adding bookmark: %s, bytes="I64Fd", time="I64Fd,
                                  p_seekpoint->psz_name, p_seekpoint->i_byte_offset,
                                  p_seekpoint->i_time_offset );
                input_Control( p_input, INPUT_ADD_BOOKMARK, p_seekpoint );
                vlc_seekpoint_Delete( p_seekpoint );
                *psz_parser = backup;
gbazin's avatar
gbazin committed
262
            }
263
            free( val.psz_string );
gbazin's avatar
gbazin committed
264
265
266
        }
    }

267
    /* Remove 'Now playing' info as it is probably outdated */
268
269
270
271
    input_Control( p_input, INPUT_DEL_INFO,
        _(VLC_META_INFO_CAT),
        _(VLC_META_NOW_PLAYING) );
    input_item_SetNowPlaying( p_item, NULL );
272

273
274
275
276
    /* */
    if( p_input->b_preparsing )
        p_input->i_flags |= OBJECT_FLAGS_QUIET | OBJECT_FLAGS_NOINTERACT;

277
278
279
280
    /* */
    if( p_sout )
        p_input->p->p_sout = p_sout;

281
282
283
    /* Attach only once we are ready */
    vlc_object_attach( p_input, p_parent );

284
285
286
    return p_input;
}

287
static void Destroy( input_thread_t *p_input, sout_instance_t **pp_sout )
288
289
{
    vlc_object_detach( p_input );
290
    input_thread_private_t *priv = p_input->p;
291

292
293
    if( pp_sout )
        *pp_sout = NULL;
294
    if( priv->p_sout )
295
296
    {
        if( pp_sout )
297
298
299
            *pp_sout = priv->p_sout;
        else if( priv->b_sout_keep )
            SoutKeep( priv->p_sout );
300
        else
301
            sout_DeleteInstance( priv->p_sout );
302
303
    }

304
    vlc_object_release( p_input );
305
306
    vlc_mutex_destroy( &priv->lock_control );
    free( priv );
307
}
308

309
/**
310
311
 * Initialize an input thread and run it. You will need to monitor the
 * thread to clean up after it is done
312
313
314
315
316
317
318
 *
 * \param p_parent a vlc_object
 * \param p_item an input item
 * \return a pointer to the spawned input thread
 */
input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
                                      input_item_t *p_item )
319
{
320
321
322
323
324
325
326
327
328
    vlc_bool_t b_sout_keep;
    sout_instance_t *p_sout = SoutFind( p_parent, p_item, &b_sout_keep );
    input_thread_t *p_input =  __input_CreateThreadExtended( p_parent, p_item, NULL, p_sout );

    if( !p_input && p_sout )
        SoutKeep( p_sout );

    p_input->p->b_sout_keep = b_sout_keep;
    return p_input;
329
330
}

331
332
333
334
/* */
input_thread_t *__input_CreateThreadExtended( vlc_object_t *p_parent,
                                              input_item_t *p_item,
                                              const char *psz_log, sout_instance_t *p_sout )
335
{
336
    input_thread_t *p_input;
337

338
    p_input = Create( p_parent, p_item, psz_log, VLC_FALSE, p_sout );
339
340
341
    if( !p_input )
        return NULL;

Sam Hocevar's avatar
Sam Hocevar committed
342
    /* Create thread and wait for its readiness. */
Laurent Aimar's avatar
Laurent Aimar committed
343
    if( vlc_thread_create( p_input, "input", Run,
344
                           VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
Michel Kaempf's avatar
Michel Kaempf committed
345
    {
346
        input_ChangeState( p_input, ERROR_S );
347
        msg_Err( p_input, "cannot create input thread" );
348
        Destroy( p_input, &p_sout );
349
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
350
    }
351

352
    return p_input;
Michel Kaempf's avatar
Michel Kaempf committed
353
354
}

355
356
357
358
359
360
361
/**
 * Initialize an input thread and run it. This thread will clean after himself,
 * you can forget about it. It can work either in blocking or non-blocking mode
 *
 * \param p_parent a vlc_object
 * \param p_item an input item
 * \param b_block should we block until read is finished ?
zorglub's avatar
zorglub committed
362
 * \return the input object id if non blocking, an error code else
363
 */
364
int __input_Read( vlc_object_t *p_parent, input_item_t *p_item,
365
                   vlc_bool_t b_block )
366
{
367
368
369
    vlc_bool_t b_sout_keep;
    sout_instance_t *p_sout = SoutFind( p_parent, p_item, &b_sout_keep );
    input_thread_t *p_input;
370

371
372
373
374
    p_input = Create( p_parent, p_item, NULL, VLC_FALSE, p_sout );
    if( !p_input && p_sout )
    {
        SoutKeep( p_sout );
375
        return VLC_EGENERIC;
376
377
    }
    p_input->p->b_sout_keep = b_sout_keep;
378

379
    if( b_block )
380
    {
381
        RunAndDestroy( p_input );
zorglub's avatar
zorglub committed
382
        return VLC_SUCCESS;
383
    }
384
    else
385
    {
386
        if( vlc_thread_create( p_input, "input", RunAndDestroy,
387
388
                               VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
        {
389
            input_ChangeState( p_input, ERROR_S );
390
            msg_Err( p_input, "cannot create input thread" );
391
            Destroy( p_input, NULL );
zorglub's avatar
zorglub committed
392
            return VLC_EGENERIC;
393
        }
394
    }
395
    return p_input->i_object_id;
396
}
397

398
399
400
401
402
403
404
405
406
407
/**
 * Initialize an input and initialize it to preparse the item
 * This function is blocking. It will only accept to parse files
 *
 * \param p_parent a vlc_object_t
 * \param p_item an input item
 * \return VLC_SUCCESS or an error
 */
int __input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
{
408
    input_thread_t *p_input;
409

410
    /* Allocate descriptor */
411
    p_input = Create( p_parent, p_item, NULL, VLC_TRUE, NULL );
412
413
414
    if( !p_input )
        return VLC_EGENERIC;

415
416
    if( !Init( p_input ) )
        End( p_input );
417

418
    Destroy( p_input, NULL );
419
420
421
422

    return VLC_SUCCESS;
}

423
424
425
426
427
/**
 * Request a running input thread to stop and die
 *
 * \param the input thread to stop
 */
Sam Hocevar's avatar
Sam Hocevar committed
428
void input_StopThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
429
{
Laurent Aimar's avatar
Laurent Aimar committed
430
431
    vlc_list_t *p_list;
    int i;
432

Laurent Aimar's avatar
Laurent Aimar committed
433
    /* Set die for input */
434
435
    vlc_object_kill( p_input );
    /* FIXME: seems to be duplicated in ControlPush(INPUT_CONTROL_SET_DIE) */
436

437
    /* We cannot touch p_input fields directly (we come from another thread),
Laurent Aimar's avatar
Laurent Aimar committed
438
     * so use the vlc_object_find way, it's perfectly safe */
439

Laurent Aimar's avatar
Laurent Aimar committed
440
441
442
    /* Set die for all access */
    p_list = vlc_list_find( p_input, VLC_OBJECT_ACCESS, FIND_CHILD );
    for( i = 0; i < p_list->i_count; i++ )
443
    {
444
        vlc_object_kill( p_list->p_values[i].p_object );
445
    }
Laurent Aimar's avatar
Laurent Aimar committed
446
    vlc_list_release( p_list );
447

Laurent Aimar's avatar
Laurent Aimar committed
448
449
450
    /* Set die for all stream */
    p_list = vlc_list_find( p_input, VLC_OBJECT_STREAM, FIND_CHILD );
    for( i = 0; i < p_list->i_count; i++ )
451
    {
452
        vlc_object_kill( p_list->p_values[i].p_object );
453
    }
Laurent Aimar's avatar
Laurent Aimar committed
454
    vlc_list_release( p_list );
455

Laurent Aimar's avatar
Laurent Aimar committed
456
457
458
459
    /* Set die for all demux */
    p_list = vlc_list_find( p_input, VLC_OBJECT_DEMUX, FIND_CHILD );
    for( i = 0; i < p_list->i_count; i++ )
    {
460
        vlc_object_kill( p_list->p_values[i].p_object );
Laurent Aimar's avatar
Laurent Aimar committed
461
462
    }
    vlc_list_release( p_list );
Michel Kaempf's avatar
Michel Kaempf committed
463

Laurent Aimar's avatar
Laurent Aimar committed
464
    input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
Sam Hocevar's avatar
   
Sam Hocevar committed
465
466
}

467
468
469
470
471
472
/**
 * Clean up a dead input thread
 * This function does not return until the thread is effectively cancelled.
 *
 * \param the input thread to kill
 */
Sam Hocevar's avatar
   
Sam Hocevar committed
473
void input_DestroyThread( input_thread_t *p_input )
474
475
476
477
478
{
    input_DestroyThreadExtended( p_input, NULL );
}

void input_DestroyThreadExtended( input_thread_t *p_input, sout_instance_t **pp_sout )
Sam Hocevar's avatar
   
Sam Hocevar committed
479
480
{
    /* Join the thread */
481
    vlc_thread_join( p_input );
Sam Hocevar's avatar
   
Sam Hocevar committed
482

483
    /* */
484
    Destroy( p_input, pp_sout );
Michel Kaempf's avatar
Michel Kaempf committed
485
486
}

487
/*****************************************************************************
Laurent Aimar's avatar
Laurent Aimar committed
488
 * Run: main thread loop
489
490
 * This is the "normal" thread that spawns the input processing chain,
 * reads the stream, cleans up and waits
491
 *****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
492
static int Run( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
493
{
Laurent Aimar's avatar
Laurent Aimar committed
494
    /* Signal that the thread is launched */
Sam Hocevar's avatar
Sam Hocevar committed
495
496
    vlc_thread_ready( p_input );

497
    if( Init( p_input ) )
Sam Hocevar's avatar
   
Sam Hocevar committed
498
499
    {
        /* If we failed, wait before we are killed, and exit */
Laurent Aimar's avatar
Laurent Aimar committed
500
        p_input->b_error = VLC_TRUE;
501
        playlist_Signal( pl_Get( p_input ) );
502

Laurent Aimar's avatar
Laurent Aimar committed
503
        Error( p_input );
504
505

        /* Tell we're dead */
Laurent Aimar's avatar
Laurent Aimar committed
506
        p_input->b_dead = VLC_TRUE;
507

Sam Hocevar's avatar
   
Sam Hocevar committed
508
        return 0;
Sam Hocevar's avatar
   
Sam Hocevar committed
509
    }
Michel Kaempf's avatar
Michel Kaempf committed
510

511
512
    MainLoop( p_input );

zorglub's avatar
zorglub committed
513
    if( !p_input->b_eof && !p_input->b_error && p_input->p->input.b_eof )
514
515
516
517
    {
        /* We have finish to demux data but not to play them */
        while( !p_input->b_die )
        {
zorglub's avatar
zorglub committed
518
            if( input_EsOutDecodersEmpty( p_input->p->p_es_out ) )
519
520
521
522
523
524
525
526
527
                break;

            msg_Dbg( p_input, "waiting decoder fifos to empty" );

            msleep( INPUT_IDLE_SLEEP );
        }

        /* We have finished */
        p_input->b_eof = VLC_TRUE;
528
        playlist_Signal( pl_Get( p_input ) );
529
530
    }

531
    /* Wait until we are asked to die */
532
533
534
535
536
537
538
539
540
541
542
543
    if( !p_input->b_die )
    {
        Error( p_input );
    }

    /* Clean up */
    End( p_input );

    return 0;
}

/*****************************************************************************
544
 * RunAndDestroy: main thread loop
545
546
547
 * This is the "just forget me" thread that spawns the input processing chain,
 * reads the stream, cleans up and releases memory
 *****************************************************************************/
548
static int RunAndDestroy( input_thread_t *p_input )
549
550
551
552
{
    /* Signal that the thread is launched */
    vlc_thread_ready( p_input );

553
    if( Init( p_input ) )
554
        goto exit;
555
556
557

    MainLoop( p_input );

zorglub's avatar
zorglub committed
558
    if( !p_input->b_eof && !p_input->b_error && p_input->p->input.b_eof )
559
    {
560
        /* We have finished demuxing data but not playing it */
561
562
        while( !p_input->b_die )
        {
zorglub's avatar
zorglub committed
563
            if( input_EsOutDecodersEmpty( p_input->p->p_es_out ) )
564
565
566
567
568
569
                break;

            msg_Dbg( p_input, "waiting decoder fifos to empty" );

            msleep( INPUT_IDLE_SLEEP );
        }
570

571
572
573
574
575
576
577
        /* We have finished */
        p_input->b_eof = VLC_TRUE;
    }

    /* Clean up */
    End( p_input );

578
exit:
579
    /* Release memory */
580
    Destroy( p_input, NULL );
581
582
583
584
585
586
587
588
    return 0;
}

/*****************************************************************************
 * Main loop: Fill buffers from access, and demux
 *****************************************************************************/
static void MainLoop( input_thread_t *p_input )
{
589
    int64_t i_start_mdate = mdate();
590
    int64_t i_intf_update = 0;
591
    int i_updates = 0;
592

zorglub's avatar
zorglub committed
593
    while( !p_input->b_die && !p_input->b_error && !p_input->p->input.b_eof )
Sam Hocevar's avatar
   
Sam Hocevar committed
594
    {
Laurent Aimar's avatar
Laurent Aimar committed
595
596
597
598
        vlc_bool_t b_force_update = VLC_FALSE;
        int i_ret;
        int i_type;
        vlc_value_t val;
599

Laurent Aimar's avatar
Laurent Aimar committed
600
601
        /* Do the read */
        if( p_input->i_state != PAUSE_S  )
602
        {
603
604
605
            if( ( p_input->p->i_stop > 0 && p_input->i_time >= p_input->p->i_stop ) ||
                ( p_input->p->i_run > 0 && i_start_mdate+p_input->p->i_run < mdate() ) )
                i_ret = 0; /* EOF */
Laurent Aimar's avatar
Laurent Aimar committed
606
            else
607
                i_ret = p_input->p->input.p_demux->pf_demux(p_input->p->input.p_demux);
608

Laurent Aimar's avatar
Laurent Aimar committed
609
610
611
            if( i_ret > 0 )
            {
                /* TODO */
zorglub's avatar
zorglub committed
612
613
                if( p_input->p->input.b_title_demux &&
                    p_input->p->input.p_demux->info.i_update )
Laurent Aimar's avatar
Laurent Aimar committed
614
                {
615
                    i_ret = UpdateFromDemux( p_input );
Laurent Aimar's avatar
Laurent Aimar committed
616
617
                    b_force_update = VLC_TRUE;
                }
zorglub's avatar
zorglub committed
618
619
620
                else if( !p_input->p->input.b_title_demux &&
                          p_input->p->input.p_access &&
                          p_input->p->input.p_access->info.i_update )
Laurent Aimar's avatar
Laurent Aimar committed
621
                {
622
                    i_ret = UpdateFromAccess( p_input );
Laurent Aimar's avatar
Laurent Aimar committed
623
624
625
                    b_force_update = VLC_TRUE;
                }
            }
626
627

            if( i_ret == 0 )    /* EOF */
Laurent Aimar's avatar
Laurent Aimar committed
628
629
            {
                vlc_value_t repeat;
630

Laurent Aimar's avatar
Laurent Aimar committed
631
632
633
634
635
                var_Get( p_input, "input-repeat", &repeat );
                if( repeat.i_int == 0 )
                {
                    /* End of file - we do not set b_die because only the
                     * playlist is allowed to do so. */
636
                    input_ChangeState( p_input, END_S );
Laurent Aimar's avatar
Laurent Aimar committed
637
                    msg_Dbg( p_input, "EOF reached" );
zorglub's avatar
zorglub committed
638
                    p_input->p->input.b_eof = VLC_TRUE;
Laurent Aimar's avatar
Laurent Aimar committed
639
640
                }
                else
641
                {
gbazin's avatar
gbazin committed
642
643
                    msg_Dbg( p_input, "repeating the same input (%d)",
                             repeat.i_int );
Laurent Aimar's avatar
Laurent Aimar committed
644
645
646
647
648
                    if( repeat.i_int > 0 )
                    {
                        repeat.i_int--;
                        var_Set( p_input, "input-repeat", repeat );
                    }
649

650
                    /* Seek to start title/seekpoint */
zorglub's avatar
zorglub committed
651
652
653
                    val.i_int = p_input->p->input.i_title_start -
                        p_input->p->input.i_title_offset;
                    if( val.i_int < 0 || val.i_int >= p_input->p->input.i_title )
654
655
656
657
                        val.i_int = 0;
                    input_ControlPush( p_input,
                                       INPUT_CONTROL_SET_TITLE, &val );

zorglub's avatar
zorglub committed
658
659
                    val.i_int = p_input->p->input.i_seekpoint_start -
                        p_input->p->input.i_seekpoint_offset;
660
661
662
663
664
                    if( val.i_int > 0 /* TODO: check upper boundary */ )
                        input_ControlPush( p_input,
                                           INPUT_CONTROL_SET_SEEKPOINT, &val );

                    /* Seek to start position */
zorglub's avatar
zorglub committed
665
                    if( p_input->p->i_start > 0 )
Laurent Aimar's avatar
Laurent Aimar committed
666
                    {
zorglub's avatar
zorglub committed
667
                        val.i_time = p_input->p->i_start;
Laurent Aimar's avatar
Laurent Aimar committed
668
669
670
671
672
673
674
675
676
                        input_ControlPush( p_input, INPUT_CONTROL_SET_TIME,
                                           &val );
                    }
                    else
                    {
                        val.f_float = 0.0;
                        input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION,
                                           &val );
                    }
677
678
679

                    /* */
                    i_start_mdate = mdate();
680
681
                }
            }
Laurent Aimar's avatar
Laurent Aimar committed
682
683
684
685
            else if( i_ret < 0 )
            {
                p_input->b_error = VLC_TRUE;
            }
686

zorglub's avatar
zorglub committed
687
            if( i_ret > 0 && p_input->p->i_slave > 0 )
688
689
690
            {
                SlaveDemux( p_input );
            }
691
        }
Laurent Aimar's avatar
Laurent Aimar committed
692
        else
693
        {
Laurent Aimar's avatar
Laurent Aimar committed
694
695
696
            /* Small wait */
            msleep( 10*1000 );
        }
697

Laurent Aimar's avatar
Laurent Aimar committed
698
        /* Handle control */
zorglub's avatar
zorglub committed
699
        vlc_mutex_lock( &p_input->p->lock_control );
Laurent Aimar's avatar
Laurent Aimar committed
700
701
702
703
704
705
706
        ControlReduce( p_input );
        while( !ControlPopNoLock( p_input, &i_type, &val ) )
        {
            msg_Dbg( p_input, "control type=%d", i_type );
            if( Control( p_input, i_type, val ) )
                b_force_update = VLC_TRUE;
        }
zorglub's avatar
zorglub committed
707
        vlc_mutex_unlock( &p_input->p->lock_control );
708

709
        if( b_force_update || i_intf_update < mdate() )
Laurent Aimar's avatar
Laurent Aimar committed
710
711
712
713
714
        {
            vlc_value_t val;
            double f_pos;
            int64_t i_time, i_length;
            /* update input status variables */
zorglub's avatar
zorglub committed
715
            if( !demux2_Control( p_input->p->input.p_demux,
gbazin's avatar
gbazin committed
716
                                 DEMUX_GET_POSITION, &f_pos ) )
Laurent Aimar's avatar
Laurent Aimar committed
717
718
719
720
            {
                val.f_float = (float)f_pos;
                var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
            }
zorglub's avatar
zorglub committed
721
            if( !demux2_Control( p_input->p->input.p_demux,
gbazin's avatar
gbazin committed
722
                                 DEMUX_GET_TIME, &i_time ) )
Laurent Aimar's avatar
Laurent Aimar committed
723
724
725
726
727
            {
                p_input->i_time = i_time;
                val.i_time = i_time;
                var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
            }
zorglub's avatar
zorglub committed
728
            if( !demux2_Control( p_input->p->input.p_demux,
gbazin's avatar
gbazin committed
729
                                 DEMUX_GET_LENGTH, &i_length ) )
Laurent Aimar's avatar
Laurent Aimar committed
730
731
732
733
734
            {
                vlc_value_t old_val;
                var_Get( p_input, "length", &old_val );
                val.i_time = i_length;
                var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
735

Laurent Aimar's avatar
Laurent Aimar committed
736
                if( old_val.i_time != val.i_time )
737
                {
738
                    UpdateItemLength( p_input, i_length );
739
740
                }
            }
Laurent Aimar's avatar
Laurent Aimar committed
741
742
743

            var_SetBool( p_input, "intf-change", VLC_TRUE );
            i_intf_update = mdate() + I64C(150000);
744
        }
745
746
747
        /* 150ms * 8 = ~ 1 second */
        if( ++i_updates % 8 == 0 )
        {
zorglub's avatar
zorglub committed
748
            stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats );
749
750
751
752
753
754
755
            /* Are we the thread responsible for computing global stats ? */
            if( p_input->p_libvlc->p_playlist->p_stats_computer == p_input )
            {
                stats_ComputeGlobalStats( p_input->p_libvlc->p_playlist,
                                     p_input->p_libvlc->p_playlist->p_stats );
            }
        }
Laurent Aimar's avatar
Laurent Aimar committed
756
    }
757
758
}

759
static int Init( input_thread_t * p_input )
Michel Kaempf's avatar
Michel Kaempf committed
760
{
Laurent Aimar's avatar
Laurent Aimar committed
761
    char *psz;
Laurent Aimar's avatar
   
Laurent Aimar committed
762
    char *psz_subtitle;
Laurent Aimar's avatar
Laurent Aimar committed
763
    vlc_value_t val;
Laurent Aimar's avatar
   
Laurent Aimar committed
764
    double f_fps;
765
    vlc_meta_t *p_meta;
766
    int i_es_out_mode;
zorglub's avatar
zorglub committed
767
    int i, i_delay;
768

769
770
771
772
773
774
775
    /* Initialize optional stream output. (before access/demuxer)
     * XXX: we add a special case if the uri starts by vlc.
     * else 'vlc in.file --sout "" vlc:quit'  cannot work (the output will
     * be destroyed in case of a file).
     * (this will break playing of file starting by 'vlc:' but I don't
     * want to add more logic, just force file by file:// or code it ;)
     */
zorglub's avatar
zorglub committed
776
777
    memset( &p_input->p->counters, 0, sizeof( p_input->p->counters ) );
    vlc_mutex_init( p_input, &p_input->p->counters.counters_lock );
778

779
780
781
782
783
784
785
786
787
788
789
790
791
792
    for( i = 0; i < p_input->p->input.p_item->i_options; i++ )
    {
        if( !strncmp( p_input->p->input.p_item->ppsz_options[i], "meta-file", 9 ) )
        {
            msg_Dbg( p_input, "Input is a meta file: disabling unneeded options" );
            var_SetString( p_input, "sout", "" );
            var_SetBool( p_input, "sout-all", VLC_FALSE );
            var_SetString( p_input, "input-slave", "" );
            var_SetInteger( p_input, "input-repeat", 0 );
            var_SetString( p_input, "sub-file", "" );
            var_SetBool( p_input, "sub-autodetect-file", VLC_FALSE );
        }
    }

793
    if( !p_input->b_preparsing )
794
    {
zorglub's avatar
zorglub committed
795
        /* Prepare statistics */
zorglub's avatar
zorglub committed
796
#define INIT_COUNTER( c, type, compute ) p_input->p->counters.p_##c = \
797
     stats_CounterCreate( p_input, VLC_VAR_##type, STATS_##compute);
798
        if( p_input->p_libvlc->b_stats )
zorglub's avatar
zorglub committed
799
800
801
802
803
804
805
806
807
808
809
810
811
        {
            INIT_COUNTER( read_bytes, INTEGER, COUNTER );
            INIT_COUNTER( read_packets, INTEGER, COUNTER );
            INIT_COUNTER( demux_read, INTEGER, COUNTER );
            INIT_COUNTER( input_bitrate, FLOAT, DERIVATIVE );
            INIT_COUNTER( demux_bitrate, FLOAT, DERIVATIVE );
            INIT_COUNTER( played_abuffers, INTEGER, COUNTER );
            INIT_COUNTER( lost_abuffers, INTEGER, COUNTER );
            INIT_COUNTER( displayed_pictures, INTEGER, COUNTER );
            INIT_COUNTER( lost_pictures, INTEGER, COUNTER );
            INIT_COUNTER( decoded_audio, INTEGER, COUNTER );
            INIT_COUNTER( decoded_video, INTEGER, COUNTER );
            INIT_COUNTER( decoded_sub, INTEGER, COUNTER );
zorglub's avatar
zorglub committed
812
813
814
815
816
817
818
            p_input->p->counters.p_sout_send_bitrate = NULL;
            p_input->p->counters.p_sout_sent_packets = NULL;
            p_input->p->counters.p_sout_sent_bytes = NULL;
            if( p_input->p->counters.p_demux_bitrate )
                p_input->p->counters.p_demux_bitrate->update_interval = 1000000;
            if( p_input->p->counters.p_input_bitrate )
                p_input->p->counters.p_input_bitrate->update_interval = 1000000;
zorglub's avatar
zorglub committed
819
        }
zorglub's avatar
zorglub committed
820

821
        /* Find a usable sout and attach it to p_input */
822
823
        psz = var_GetNonEmptyString( p_input, "sout" );
        if( psz && strncasecmp( p_input->p->input.p_item->psz_uri, "vlc:", 4 ) )
824
        {
825
826
827
828
829
830
831
832
833
834
835
836
837
            /* Check the validity of the provided sout */
            if( p_input->p->p_sout )
            {
                if( strcmp( p_input->p->p_sout->psz_sout, psz ) )
                {
                    msg_Dbg( p_input, "destroying unusable sout" );

                    sout_DeleteInstance( p_input->p->p_sout );
                    p_input->p->p_sout = NULL;
                }
            }

            if( p_input->p->p_sout )
838
            {
839
840
841
842
843
                /* Reuse it */
                msg_Dbg( p_input, "sout keep: reusing sout" );
                msg_Dbg( p_input, "sout keep: you probably want to use "
                                  "gather stream_out" );
                vlc_object_attach( p_input->p->p_sout, p_input );
844
            }
845
846
847
848
849
850
851
852
853
854
855
856
857
858
            else
            {
                /* Create a new one */
                p_input->p->p_sout = sout_NewInstance( p_input, psz );
                if( !p_input->p->p_sout )
                {
                    input_ChangeState( p_input, ERROR_S );
                    msg_Err( p_input, "cannot start stream output instance, " \
                                      "aborting" );
                    free( psz );
                    return VLC_EGENERIC;
                }
            }

859
            if( p_input->p_libvlc->b_stats )
zorglub's avatar
zorglub committed
860
861
862
863
            {
                INIT_COUNTER( sout_sent_packets, INTEGER, COUNTER );
                INIT_COUNTER (sout_sent_bytes, INTEGER, COUNTER );
                INIT_COUNTER( sout_send_bitrate, FLOAT, DERIVATIVE );
zorglub's avatar
zorglub committed
864
865
                if( p_input->p->counters.p_sout_send_bitrate )
                     p_input->p->counters.p_sout_send_bitrate->update_interval =
zorglub's avatar
zorglub committed
866
867
                             1000000;
            }
868
        }
869
870
871
872
873
874
875
        else if( p_input->p->p_sout )
        {
            msg_Dbg( p_input, "destroying useless sout" );

            sout_DeleteInstance( p_input->p->p_sout );
            p_input->p->p_sout = NULL;
        }
876
        free( psz );
877
    }
Christophe Massiot's avatar
Christophe Massiot committed
878

Laurent Aimar's avatar
Laurent Aimar committed
879
    /* Create es out */
880
    p_input->p->p_es_out = input_EsOutNew( p_input, p_input->p->i_rate );
zorglub's avatar
zorglub committed
881
882
    es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, VLC_FALSE );
    es_out_Control( p_input->p->p_es_out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
883

884
885
886
    var_Create( p_input, "bit-rate", VLC_VAR_INTEGER );
    var_Create( p_input, "sample-rate", VLC_VAR_INTEGER );

zorglub's avatar
zorglub committed
887
888
    if( InputSourceInit( p_input, &p_input->p->input,
                         p_input->p->input.p_item->psz_uri, NULL ) )
889
    {
890
        goto error;
Laurent Aimar's avatar
Laurent Aimar committed
891
    }
892

893
    /* Create global title (from master) */
894
    if( !p_input->b_preparsing )
895
    {
zorglub's avatar
zorglub committed
896
897
898
899
900
        p_input->p->i_title = p_input->p->input.i_title;