input.c 67.4 KB
Newer Older
1
2
/*****************************************************************************
 * input.c: input thread
3
 *****************************************************************************
zorglub's avatar
zorglub committed
4
 * Copyright (C) 1998-2004 VideoLAN
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
22
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
23
 *****************************************************************************/
Michel Kaempf's avatar
Michel Kaempf committed
24

25
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
26
 * Preamble
27
 *****************************************************************************/
28
#include <stdlib.h>
29
#include <ctype.h>
Sam Hocevar's avatar
   
Sam Hocevar committed
30

31
#include <vlc/vlc.h>
32
#include <vlc/input.h>
33
#include <vlc/decoder.h>
34
#include <vlc/vout.h>
Sam Hocevar's avatar
   
Sam Hocevar committed
35

Laurent Aimar's avatar
Laurent Aimar committed
36
#include "input_internal.h"
37

38
39
#include "stream_output.h"

40
#include "vlc_interface.h"
41
#include "vlc_meta.h"
Sam Hocevar's avatar
   
Sam Hocevar committed
42

43
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
44
 * Local prototypes
45
 *****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
46
47
48
49
50
51
52
53
54
static  int Run  ( input_thread_t *p_input );

static  int Init ( input_thread_t *p_input );
static void Error( input_thread_t *p_input );
static void End  ( input_thread_t *p_input );

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 );
55

56

57
58
static int  UpdateFromAccess( input_thread_t * );
static int  UpdateFromDemux( input_thread_t * );
Michel Kaempf's avatar
Michel Kaempf committed
59

60
61
static void UpdateItemLength( input_thread_t *, int64_t i_length );

62
63
64
static void ParseOption( input_thread_t *p_input, const char *psz_option );

static void DecodeUrl  ( char * );
65
static void MRLSplit( input_thread_t *, char *, char **, char **, char ** );
66
static void MRLSections( input_thread_t *, char *, int *, int *, int *, int *);
67
68

static input_source_t *InputSourceNew( input_thread_t *);
Laurent Aimar's avatar
   
Laurent Aimar committed
69
70
static int  InputSourceInit( input_thread_t *, input_source_t *,
                             char *, char *psz_forced_demux );
71
72
73
74
static void InputSourceClean( input_thread_t *, input_source_t * );

static void SlaveDemux( input_thread_t *p_input );
static void SlaveSeek( input_thread_t *p_input );
75

76
77
static vlc_meta_t *InputMetaUser( input_thread_t *p_input );

78
/*****************************************************************************
79
 * input_CreateThread: creates a new input thread
80
 *****************************************************************************
81
82
 * 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
83
84
85
86
87
88
89
90
91
92
 *
 * 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
93
 *  - audio-delay, spu-delay
Laurent Aimar's avatar
Laurent Aimar committed
94
95
96
97
 *  - bookmark
 * * Get only:
 *  - length
 *  - bookmarks
98
 *  - seekable (if you can seek, it doesn't say if 'bar display' has be shown or not, for that check position != 0.0)
Laurent Aimar's avatar
Laurent Aimar committed
99
100
101
102
 * * For intf callback upon changes
 *  - intf-change
 * TODO explain when Callback is called
 * TODO complete this list (?)
103
 *****************************************************************************/
104
105
input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
                                      input_item_t *p_item )
106

Michel Kaempf's avatar
Michel Kaempf committed
107
{
108
    input_thread_t *p_input;                        /* thread descriptor */
109
110
    vlc_value_t val;
    int i;
111

112
    /* Allocate descriptor */
113
    p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
114
    if( p_input == NULL )
Michel Kaempf's avatar
Michel Kaempf committed
115
    {
116
        msg_Err( p_parent, "out of memory" );
117
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
118
    }
119

Laurent Aimar's avatar
Laurent Aimar committed
120
121
122
123
124
125
126
127
    /* Init Common fields */
    p_input->b_eof = VLC_FALSE;
    p_input->b_can_pace_control = VLC_TRUE;
    p_input->i_start = 0;
    p_input->i_time  = 0;
    p_input->i_stop  = 0;
    p_input->i_title = 0;
    p_input->title   = NULL;
128
    p_input->i_title_offset = p_input->i_seekpoint_offset = 0;
Laurent Aimar's avatar
Laurent Aimar committed
129
130
131
132
133
134
    p_input->i_state = INIT_S;
    p_input->i_rate  = INPUT_RATE_DEFAULT;
    p_input->i_bookmark = 0;
    p_input->bookmark = NULL;
    p_input->p_es_out = NULL;
    p_input->p_sout  = NULL;
135
    p_input->b_out_pace_control = VLC_FALSE;
Laurent Aimar's avatar
Laurent Aimar committed
136
137
138
139
140
141
142
143
144
145
    p_input->i_pts_delay = 0;

    /* Init Input fields */
    p_input->input.p_item = p_item;
    p_input->input.p_access = NULL;
    p_input->input.p_stream = NULL;
    p_input->input.p_demux  = NULL;
    p_input->input.b_title_demux = VLC_FALSE;
    p_input->input.i_title  = 0;
    p_input->input.title    = NULL;
146
    p_input->input.i_title_offset = p_input->input.i_seekpoint_offset = 0;
Laurent Aimar's avatar
Laurent Aimar committed
147
148
149
150
    p_input->input.b_can_pace_control = VLC_TRUE;
    p_input->input.b_eof = VLC_FALSE;
    p_input->input.i_cr_average = 0;

151
152
153
154
    /* No slave */
    p_input->i_slave = 0;
    p_input->slave   = NULL;

Laurent Aimar's avatar
Laurent Aimar committed
155
156
157
    /* Init control buffer */
    vlc_mutex_init( p_input, &p_input->lock_control );
    p_input->i_control = 0;
158

gbazin's avatar
   
gbazin committed
159
    /* Parse input options */
160
161
    vlc_mutex_lock( &p_item->lock );
    for( i = 0; i < p_item->i_options; i++ )
gbazin's avatar
   
gbazin committed
162
    {
163
164
        msg_Dbg( p_input, "option: %s", p_item->ppsz_options[i] );
        ParseOption( p_input, p_item->ppsz_options[i] );
gbazin's avatar
   
gbazin committed
165
    }
166
    vlc_mutex_unlock( &p_item->lock );
gbazin's avatar
   
gbazin committed
167

Laurent Aimar's avatar
Laurent Aimar committed
168
169
    /* Create Object Variables for private use only */
    input_ConfigVarInit( p_input );
Michel Kaempf's avatar
Michel Kaempf committed
170

Laurent Aimar's avatar
Laurent Aimar committed
171
172
173
    /* Create Objects variables for public Get and Set */
    input_ControlVarInit( p_input );
    p_input->input.i_cr_average = var_GetInteger( p_input, "cr-average" );
gbazin's avatar
gbazin committed
174

Laurent Aimar's avatar
Laurent Aimar committed
175
    /* TODO */
gbazin's avatar
gbazin committed
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
    var_Get( p_input, "bookmarks", &val );
    if( val.psz_string )
    {
        /* 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, '{' ) ) )
        {
            seekpoint_t seekpoint;
            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 = ',';

            seekpoint.psz_name = 0;
            seekpoint.i_byte_offset = 0;
            seekpoint.i_time_offset = 0;
            while( (psz_end = strchr( psz_start, ',' ) ) )
            {
                *psz_end = 0;
                if( !strncmp( psz_start, "name=", 5 ) )
                {
                    seekpoint.psz_name = psz_start + 5;
                }
                else if( !strncmp( psz_start, "bytes=", 6 ) )
                {
206
                    seekpoint.i_byte_offset = atoll(psz_start + 6);
gbazin's avatar
gbazin committed
207
208
209
                }
                else if( !strncmp( psz_start, "time=", 5 ) )
                {
210
                    seekpoint.i_time_offset = atoll(psz_start + 5) * 1000000;
gbazin's avatar
gbazin committed
211
212
213
214
215
216
217
218
219
220
221
222
                }
                psz_start = psz_end + 1;
            }
            msg_Dbg( p_input, "adding bookmark: %s, bytes="I64Fd", time="I64Fd,
                     seekpoint.psz_name, seekpoint.i_byte_offset,
                     seekpoint.i_time_offset );
            input_Control( p_input, INPUT_ADD_BOOKMARK, &seekpoint );
            *psz_parser = backup;
        }
        free( val.psz_string );
    }

Laurent Aimar's avatar
Laurent Aimar committed
223
    /* Now we can attach our new input */
224
    vlc_object_attach( p_input, p_parent );
Sam Hocevar's avatar
   
Sam Hocevar committed
225

Sam Hocevar's avatar
Sam Hocevar committed
226
    /* Create thread and wait for its readiness. */
Laurent Aimar's avatar
Laurent Aimar committed
227
    if( vlc_thread_create( p_input, "input", Run,
228
                           VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
Michel Kaempf's avatar
Michel Kaempf committed
229
    {
230
        msg_Err( p_input, "cannot create input thread" );
Laurent Aimar's avatar
Laurent Aimar committed
231
232
        vlc_object_detach( p_input );
        vlc_object_destroy( p_input );
233
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
234
    }
235

236
    return p_input;
Michel Kaempf's avatar
Michel Kaempf committed
237
238
}

239
/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
240
 * input_StopThread: mark an input thread as zombie
241
 *****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
242
 * This function should not return until the thread is effectively cancelled.
243
 *****************************************************************************/
Sam Hocevar's avatar
Sam Hocevar committed
244
void input_StopThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
245
{
Laurent Aimar's avatar
Laurent Aimar committed
246
247
    vlc_list_t *p_list;
    int i;
248

Laurent Aimar's avatar
Laurent Aimar committed
249
250
    /* Set die for input */
    p_input->b_die = VLC_TRUE;
251

Laurent Aimar's avatar
Laurent Aimar committed
252
253
    /* We cannot touch p_input fields directly (we can from another thread),
     * so use the vlc_object_find way, it's perfectly safe */
254

Laurent Aimar's avatar
Laurent Aimar committed
255
256
257
    /* 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++ )
258
    {
Laurent Aimar's avatar
Laurent Aimar committed
259
        p_list->p_values[i].p_object->b_die = VLC_TRUE;
260
    }
Laurent Aimar's avatar
Laurent Aimar committed
261
    vlc_list_release( p_list );
262

Laurent Aimar's avatar
Laurent Aimar committed
263
264
265
    /* 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++ )
266
    {
Laurent Aimar's avatar
Laurent Aimar committed
267
        p_list->p_values[i].p_object->b_die = VLC_TRUE;
268
    }
Laurent Aimar's avatar
Laurent Aimar committed
269
    vlc_list_release( p_list );
270

Laurent Aimar's avatar
Laurent Aimar committed
271
272
273
274
275
276
277
    /* 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++ )
    {
        p_list->p_values[i].p_object->b_die = VLC_TRUE;
    }
    vlc_list_release( p_list );
Michel Kaempf's avatar
Michel Kaempf committed
278

Laurent Aimar's avatar
Laurent Aimar committed
279
    input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
Sam Hocevar's avatar
   
Sam Hocevar committed
280
281
282
283
284
285
286
287
288
289
}

/*****************************************************************************
 * input_DestroyThread: mark an input thread as zombie
 *****************************************************************************
 * This function should not return until the thread is effectively cancelled.
 *****************************************************************************/
void input_DestroyThread( input_thread_t *p_input )
{
    /* Join the thread */
290
    vlc_thread_join( p_input );
Sam Hocevar's avatar
   
Sam Hocevar committed
291

Laurent Aimar's avatar
Laurent Aimar committed
292
293
294
295
296
    /* Delete input lock (only after thread joined) */
    vlc_mutex_destroy( &p_input->lock_control );

    /* TODO: maybe input_DestroyThread should also delete p_input instead
     * of the playlist but I'm not sure if it's possible */
Michel Kaempf's avatar
Michel Kaempf committed
297
298
}

299
/*****************************************************************************
Laurent Aimar's avatar
Laurent Aimar committed
300
 * Run: main thread loop
301
 *****************************************************************************
302
 * Thread in charge of processing the network packets and demultiplexing.
303
304
305
306
 *
 * TODO:
 *  read subtitle support (XXX take care of spu-delay in the right way).
 *  multi-input support (XXX may be done with subs)
307
 *****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
308
static int Run( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
309
{
Laurent Aimar's avatar
Laurent Aimar committed
310
    int64_t i_intf_update = 0;
311

Laurent Aimar's avatar
Laurent Aimar committed
312
    /* Signal that the thread is launched */
Sam Hocevar's avatar
Sam Hocevar committed
313
314
    vlc_thread_ready( p_input );

Laurent Aimar's avatar
Laurent Aimar committed
315
    if( Init( p_input ) )
Sam Hocevar's avatar
   
Sam Hocevar committed
316
317
    {
        /* If we failed, wait before we are killed, and exit */
Laurent Aimar's avatar
Laurent Aimar committed
318
        p_input->b_error = VLC_TRUE;
319

Laurent Aimar's avatar
Laurent Aimar committed
320
        Error( p_input );
321
322

        /* Tell we're dead */
Laurent Aimar's avatar
Laurent Aimar committed
323
        p_input->b_dead = VLC_TRUE;
324

Sam Hocevar's avatar
   
Sam Hocevar committed
325
        return 0;
Sam Hocevar's avatar
   
Sam Hocevar committed
326
    }
Michel Kaempf's avatar
Michel Kaempf committed
327

Laurent Aimar's avatar
Laurent Aimar committed
328
    /* Main loop */
329
    while( !p_input->b_die && !p_input->b_error && !p_input->input.b_eof )
Sam Hocevar's avatar
   
Sam Hocevar committed
330
    {
Laurent Aimar's avatar
Laurent Aimar committed
331
332
333
334
        vlc_bool_t b_force_update = VLC_FALSE;
        int i_ret;
        int i_type;
        vlc_value_t val;
335

Laurent Aimar's avatar
Laurent Aimar committed
336
337
        /* Do the read */
        if( p_input->i_state != PAUSE_S  )
338
        {
Laurent Aimar's avatar
Laurent Aimar committed
339
340
341
342
            if( p_input->i_stop <= 0 || p_input->i_time < p_input->i_stop )
                i_ret=p_input->input.p_demux->pf_demux(p_input->input.p_demux);
            else
                i_ret = 0;  /* EOF */
343

Laurent Aimar's avatar
Laurent Aimar committed
344
345
346
347
348
349
            if( i_ret > 0 )
            {
                /* TODO */
                if( p_input->input.b_title_demux &&
                    p_input->input.p_demux->info.i_update )
                {
350
                    i_ret = UpdateFromDemux( p_input );
Laurent Aimar's avatar
Laurent Aimar committed
351
352
353
354
355
356
                    b_force_update = VLC_TRUE;
                }
                else if( !p_input->input.b_title_demux &&
                          p_input->input.p_access &&
                          p_input->input.p_access->info.i_update )
                {
357
                    i_ret = UpdateFromAccess( p_input );
Laurent Aimar's avatar
Laurent Aimar committed
358
359
360
                    b_force_update = VLC_TRUE;
                }
            }
361
362

            if( i_ret == 0 )    /* EOF */
Laurent Aimar's avatar
Laurent Aimar committed
363
364
            {
                vlc_value_t repeat;
365

Laurent Aimar's avatar
Laurent Aimar committed
366
367
368
369
370
371
372
373
374
                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. */
                    msg_Dbg( p_input, "EOF reached" );
                    p_input->input.b_eof = VLC_TRUE;
                }
                else
375
                {
gbazin's avatar
gbazin committed
376
377
                    msg_Dbg( p_input, "repeating the same input (%d)",
                             repeat.i_int );
Laurent Aimar's avatar
Laurent Aimar committed
378
379
380
381
382
                    if( repeat.i_int > 0 )
                    {
                        repeat.i_int--;
                        var_Set( p_input, "input-repeat", repeat );
                    }
383

384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
                    /* Seek to start title/seekpoint */
                    val.i_int = p_input->input.i_title_start -
                        p_input->input.i_title_offset;
                    if( val.i_int < 0 || val.i_int >= p_input->input.i_title )
                        val.i_int = 0;
                    input_ControlPush( p_input,
                                       INPUT_CONTROL_SET_TITLE, &val );

                    val.i_int = p_input->input.i_seekpoint_start -
                        p_input->input.i_seekpoint_offset;
                    if( val.i_int > 0 /* TODO: check upper boundary */ )
                        input_ControlPush( p_input,
                                           INPUT_CONTROL_SET_SEEKPOINT, &val );

                    /* Seek to start position */
Laurent Aimar's avatar
Laurent Aimar committed
399
400
401
402
403
404
405
406
407
408
409
410
                    if( p_input->i_start > 0 )
                    {
                        val.i_time = p_input->i_start;
                        input_ControlPush( p_input, INPUT_CONTROL_SET_TIME,
                                           &val );
                    }
                    else
                    {
                        val.f_float = 0.0;
                        input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION,
                                           &val );
                    }
411
412
                }
            }
Laurent Aimar's avatar
Laurent Aimar committed
413
414
415
416
            else if( i_ret < 0 )
            {
                p_input->b_error = VLC_TRUE;
            }
417
418
419
420
421

            if( i_ret > 0 && p_input->i_slave > 0 )
            {
                SlaveDemux( p_input );
            }
422
        }
Laurent Aimar's avatar
Laurent Aimar committed
423
        else
424
        {
Laurent Aimar's avatar
Laurent Aimar committed
425
426
427
            /* Small wait */
            msleep( 10*1000 );
        }
428

Laurent Aimar's avatar
Laurent Aimar committed
429
430
431
432
433
434
435
436
437
438
        /* Handle control */
        vlc_mutex_lock( &p_input->lock_control );
        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;
        }
        vlc_mutex_unlock( &p_input->lock_control );
439

440
        if( b_force_update || i_intf_update < mdate() )
Laurent Aimar's avatar
Laurent Aimar committed
441
442
443
444
445
        {
            vlc_value_t val;
            double f_pos;
            int64_t i_time, i_length;
            /* update input status variables */
gbazin's avatar
gbazin committed
446
447
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_POSITION, &f_pos ) )
Laurent Aimar's avatar
Laurent Aimar committed
448
449
450
451
            {
                val.f_float = (float)f_pos;
                var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
            }
gbazin's avatar
gbazin committed
452
453
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_TIME, &i_time ) )
Laurent Aimar's avatar
Laurent Aimar committed
454
455
456
457
458
            {
                p_input->i_time = i_time;
                val.i_time = i_time;
                var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
            }
gbazin's avatar
gbazin committed
459
460
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_LENGTH, &i_length ) )
Laurent Aimar's avatar
Laurent Aimar committed
461
462
463
464
465
            {
                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 );
466

Laurent Aimar's avatar
Laurent Aimar committed
467
                if( old_val.i_time != val.i_time )
468
                {
469
                    UpdateItemLength( p_input, i_length );
470
471
                }
            }
Laurent Aimar's avatar
Laurent Aimar committed
472
473
474

            var_SetBool( p_input, "intf-change", VLC_TRUE );
            i_intf_update = mdate() + I64C(150000);
475
        }
Laurent Aimar's avatar
Laurent Aimar committed
476
477
    }

478
    if( !p_input->b_eof && !p_input->b_error && p_input->input.b_eof )
Laurent Aimar's avatar
Laurent Aimar committed
479
    {
480
481
        /* We have finish to demux data but not to play them */
        while( !p_input->b_die )
Sam Hocevar's avatar
   
Sam Hocevar committed
482
        {
483
484
            if( input_EsOutDecodersEmpty( p_input->p_es_out ) )
                break;
485

486
            msg_Dbg( p_input, "waiting decoder fifos to empty" );
487

488
            msleep( INPUT_IDLE_SLEEP );
Sam Hocevar's avatar
   
Sam Hocevar committed
489
        }
490

491
492
        /* We have finished */
        p_input->b_eof = VLC_TRUE;
493
494
    }

495
496
    /* Wait we are asked to die */
    if( !p_input->b_die )
497
    {
498
        Error( p_input );
499
    }
500

501
502
    /* Clean up */
    End( p_input );
Sam Hocevar's avatar
   
Sam Hocevar committed
503

Sam Hocevar's avatar
   
Sam Hocevar committed
504
    return 0;
505
506
}

507
/*****************************************************************************
Laurent Aimar's avatar
Laurent Aimar committed
508
 * Init: init the input Thread
509
 *****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
510
static int Init( input_thread_t * p_input )
Michel Kaempf's avatar
Michel Kaempf committed
511
{
Laurent Aimar's avatar
Laurent Aimar committed
512
    char *psz;
Laurent Aimar's avatar
   
Laurent Aimar committed
513
    char *psz_subtitle;
Laurent Aimar's avatar
Laurent Aimar committed
514
    vlc_value_t val;
Laurent Aimar's avatar
   
Laurent Aimar committed
515
    double f_fps;
516
517
    vlc_meta_t *p_meta, *p_meta_user;
    int i;
518

Laurent Aimar's avatar
Laurent Aimar committed
519
520
521
    /* Initialize optional stream output. (before access/demuxer) */
    psz = var_GetString( p_input, "sout" );
    if( *psz )
522
    {
Laurent Aimar's avatar
Laurent Aimar committed
523
524
        p_input->p_sout = sout_NewInstance( p_input, psz );
        if( p_input->p_sout == NULL )
525
526
        {
            msg_Err( p_input, "cannot start stream output instance, aborting" );
Laurent Aimar's avatar
Laurent Aimar committed
527
            free( psz );
528
529
            return VLC_EGENERIC;
        }
530
    }
Laurent Aimar's avatar
Laurent Aimar committed
531
    free( psz );
Christophe Massiot's avatar
Christophe Massiot committed
532

Laurent Aimar's avatar
Laurent Aimar committed
533
    /* Create es out */
534
    p_input->p_es_out = input_EsOutNew( p_input );
535
536
    es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_FALSE );
    es_out_Control( p_input->p_es_out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
537

538
    if( InputSourceInit( p_input, &p_input->input,
Laurent Aimar's avatar
   
Laurent Aimar committed
539
                         p_input->input.p_item->psz_uri, NULL ) )
540
    {
541
        goto error;
Laurent Aimar's avatar
Laurent Aimar committed
542
    }
543

544
    /* Create global title (from master) */
Laurent Aimar's avatar
Laurent Aimar committed
545
    p_input->i_title = p_input->input.i_title;
546
    p_input->title   = p_input->input.title;
547
548
    p_input->i_title_offset = p_input->input.i_title_offset;
    p_input->i_seekpoint_offset = p_input->input.i_seekpoint_offset;
Laurent Aimar's avatar
Laurent Aimar committed
549
    if( p_input->i_title > 0 )
550
    {
Laurent Aimar's avatar
Laurent Aimar committed
551
552
553
        /* Setup variables */
        input_ControlVarNavigation( p_input );
        input_ControlVarTitle( p_input, 0 );
554
    }
555

Laurent Aimar's avatar
Laurent Aimar committed
556
557
558
559
560
561
562
    /* Global flag */
    p_input->b_can_pace_control = p_input->input.b_can_pace_control;
    p_input->b_can_pause        = p_input->input.b_can_pause;

    /* Fix pts delay */
    if( p_input->i_pts_delay <= 0 )
        p_input->i_pts_delay = DEFAULT_PTS_DELAY;
563

gbazin's avatar
   
gbazin committed
564
565
    /* If the desynchronisation requested by the user is < 0, we need to
     * cache more data. */
gbazin's avatar
   
gbazin committed
566
    var_Get( p_input, "audio-desync", &val );
567
    if( val.i_int < 0 ) p_input->i_pts_delay -= (val.i_int * 1000);
gbazin's avatar
   
gbazin committed
568

569
570
571
572
573
    /* Update cr_average depending on the caching */
    p_input->input.i_cr_average *= (10 * p_input->i_pts_delay / 200000);
    p_input->input.i_cr_average /= 10;
    if( p_input->input.i_cr_average <= 0 ) p_input->input.i_cr_average = 1;

574
    /* Load master infos */
Laurent Aimar's avatar
Laurent Aimar committed
575
    /* Init length */
gbazin's avatar
gbazin committed
576
577
    if( !demux2_Control( p_input->input.p_demux, DEMUX_GET_LENGTH,
                         &val.i_time ) && val.i_time > 0 )
Laurent Aimar's avatar
Laurent Aimar committed
578
579
    {
        var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
580
581

        UpdateItemLength( p_input, val.i_time );
Laurent Aimar's avatar
Laurent Aimar committed
582
    }
583
584
585
586
587
588
589
590
591
592
593

    /* Start title/chapter */
    val.i_int = p_input->input.i_title_start -
        p_input->input.i_title_offset;
    if( val.i_int > 0 && val.i_int < p_input->input.i_title )
        input_ControlPush( p_input, INPUT_CONTROL_SET_TITLE, &val );
    val.i_int = p_input->input.i_seekpoint_start -
        p_input->input.i_seekpoint_offset;
    if( val.i_int > 0 /* TODO: check upper boundary */ )
        input_ControlPush( p_input, INPUT_CONTROL_SET_SEEKPOINT, &val );

Laurent Aimar's avatar
Laurent Aimar committed
594
595
596
597
598
599
600
601
602
603
    /* Start time*/
    /* Set start time */
    p_input->i_start = (int64_t)var_GetInteger( p_input, "start-time" ) *
                       I64C(1000000);
    p_input->i_stop  = (int64_t)var_GetInteger( p_input, "stop-time" ) *
                       I64C(1000000);

    if( p_input->i_start > 0 )
    {
        if( p_input->i_start >= val.i_time )
604
        {
Laurent Aimar's avatar
Laurent Aimar committed
605
            msg_Warn( p_input, "invalid start-time ignored" );
606
        }
Laurent Aimar's avatar
Laurent Aimar committed
607
        else
608
        {
Laurent Aimar's avatar
Laurent Aimar committed
609
610
611
612
613
614
615
            vlc_value_t s;

            msg_Dbg( p_input, "start-time: %ds",
                     (int)( p_input->i_start / I64C(1000000) ) );

            s.i_time = p_input->i_start;
            input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
616
        }
Laurent Aimar's avatar
Laurent Aimar committed
617
618
619
620
621
    }
    if( p_input->i_stop > 0 && p_input->i_stop <= p_input->i_start )
    {
        msg_Warn( p_input, "invalid stop-time ignored" );
        p_input->i_stop = 0;
622
623
    }

Sam Hocevar's avatar
   
Sam Hocevar committed
624

Laurent Aimar's avatar
   
Laurent Aimar committed
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
    /* Load subtitles */
    /* Get fps and set it if not already set */
    if( !demux2_Control( p_input->input.p_demux, DEMUX_GET_FPS, &f_fps ) &&
        f_fps > 1.0 )
    {
        vlc_value_t fps;

        if( var_Get( p_input, "sub-fps", &fps ) )
        {
            var_Create( p_input, "sub-fps", VLC_VAR_FLOAT| VLC_VAR_DOINHERIT );
            var_SetFloat( p_input, "sub-fps", f_fps );
        }
    }

    /* Look for and add subtitle files */
    psz_subtitle = var_GetString( p_input, "sub-file" );
    if( *psz_subtitle )
    {
        input_source_t *sub;
        vlc_value_t count;
        vlc_value_t list;

        msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );

        var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );

        /* */
        sub = InputSourceNew( p_input );
        if( !InputSourceInit( p_input, sub, psz_subtitle, "subtitle" ) )
        {
            TAB_APPEND( p_input->i_slave, p_input->slave, sub );

            /* Select the ES */
            if( !var_Change( p_input, "spu-es", VLC_VAR_GETLIST, &list, NULL ) )
            {
                if( count.i_int == 0 )
                    count.i_int++;  /* if it was first one, there is disable too */

                if( count.i_int < list.p_list->i_count )
                {
gbazin's avatar
gbazin committed
665
666
                    input_ControlPush( p_input, INPUT_CONTROL_SET_ES,
                                       &list.p_list->p_values[count.i_int] );
Laurent Aimar's avatar
   
Laurent Aimar committed
667
668
669
670
671
672
673
674
675
676
677
678
679
                }
                var_Change( p_input, "spu-es", VLC_VAR_FREELIST, &list, NULL );
            }
        }
    }

    var_Get( p_input, "sub-autodetect-file", &val );
    if( val.b_bool )
    {
        char *psz_autopath = var_GetString( p_input, "sub-autodetect-path" );
        char **subs = subtitles_Detect( p_input, psz_autopath,
                                        p_input->input.p_item->psz_uri );
        input_source_t *sub;
680

Laurent Aimar's avatar
   
Laurent Aimar committed
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
        for( i = 0; subs[i] != NULL; i++ )
        {
            if( strcmp( psz_subtitle, subs[i] ) )
            {
                sub = InputSourceNew( p_input );
                if( !InputSourceInit( p_input, sub, subs[i], "subtitle" ) )
                {
                    TAB_APPEND( p_input->i_slave, p_input->slave, sub );
                }
            }
            free( subs[i] );
        }
        free( subs );
        free( psz_autopath );
    }
    free( psz_subtitle );
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731

    /* Look for slave */
    psz = var_GetString( p_input, "input-slave" );
    if( *psz )
    {
        char *psz_delim = strchr( psz, '#' );

        for( ;; )
        {
            input_source_t *slave;

            if( psz_delim )
            {
                *psz_delim++ = '\0';
            }

            if( *psz == '\0' )
            {
                if( psz_delim )
                    continue;
                else
                    break;
            }

            msg_Dbg( p_input, "adding slave '%s'", psz );
            slave = InputSourceNew( p_input );
            if( !InputSourceInit( p_input, slave, psz, NULL ) )
            {
                TAB_APPEND( p_input->i_slave, p_input->slave, slave );
            }
            if( !psz_delim )
                break;
        }
    }
    free( psz );
Laurent Aimar's avatar
Laurent Aimar committed
732
733
734
735
736
737
738
739
740
741
742

    /* Set up es_out */
    es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_TRUE );
    val.b_bool =  VLC_FALSE;
    if( p_input->p_sout )
    {
        var_Get( p_input, "sout-all", &val );
    }
    es_out_Control( p_input->p_es_out, ES_OUT_SET_MODE,
                    val.b_bool ? ES_OUT_MODE_ALL : ES_OUT_MODE_AUTO );

743
744
745
746
747
748
749
    /* Inform the demuxer about waited group (needed only for DVB) */
    if( val.b_bool )
        demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, -1 );
    else
        demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP,
                       (int) var_GetInteger( p_input, "program" ) );

Laurent Aimar's avatar
Laurent Aimar committed
750
751
752
753
754
    if( p_input->p_sout )
    {
        if( p_input->p_sout->i_out_pace_nocontrol > 0 )
        {
            p_input->b_out_pace_control = VLC_FALSE;
755
        }
Laurent Aimar's avatar
Laurent Aimar committed
756
757
758
759
760
761
        else
        {
            p_input->b_out_pace_control = VLC_TRUE;
        }
        msg_Dbg( p_input, "starting in %s mode",
                 p_input->b_out_pace_control ? "asynch" : "synch" );
762
763
    }

764
765
    /* Get meta data from users */
    p_meta_user = InputMetaUser( p_input );
Laurent Aimar's avatar
Laurent Aimar committed
766

767
768
769
    /* Get meta data from master input */
    if( demux2_Control( p_input->input.p_demux, DEMUX_GET_META, &p_meta ) )
        p_meta = NULL;
770

771
772
    /* Merge them */
    if( p_meta == NULL )
gbazin's avatar
gbazin committed
773
    {
774
        p_meta = p_meta_user;
gbazin's avatar
gbazin committed
775
    }
776
    else if( p_meta_user )
777
    {
778
779
780
        vlc_meta_Merge( p_meta, p_meta_user );
        vlc_meta_Delete( p_meta_user );
    }
781

782
783
784
785
    /* Get meta data from slave input */
    for( i = 0; i < p_input->i_slave; i++ )
    {
        vlc_meta_t *p_meta_slave;
gbazin's avatar
gbazin committed
786

787
        if( !demux2_Control( p_input->slave[i]->p_demux, DEMUX_GET_META, &p_meta_slave ) )
788
        {
789
            if( p_meta == NULL )
790
            {
791
                p_meta = p_meta_slave;
792
            }
793
794
795
796
797
798
799
800
801
802
            else if( p_meta_slave )
            {
                vlc_meta_Merge( p_meta, p_meta_slave );
                vlc_meta_Delete( p_meta_slave );
            }
        }
    }

    if( p_meta && p_meta->i_meta > 0 )
    {
803
        msg_Dbg( p_input, "meta information:" );
804
805
806
807
808
809
810
811
812
813
814
815
        for( i = 0; i < p_meta->i_meta; i++ )
        {
            msg_Dbg( p_input, "  - '%s' = '%s'",
                    _(p_meta->name[i]), p_meta->value[i] );

            if( !strcmp(p_meta->name[i], VLC_META_TITLE) && p_meta->value[i] )
                input_Control( p_input, INPUT_SET_NAME, p_meta->value[i] );

            if( !strcmp( p_meta->name[i], VLC_META_AUTHOR ) )
                input_Control( p_input, INPUT_ADD_INFO, _("General"),
                               _("Author"), p_meta->value[i] );

816
            input_Control( p_input, INPUT_ADD_INFO, _("Meta-information"),
817
                          _(p_meta->name[i]), "%s", p_meta->value[i] );
818
        }
819

gbazin's avatar
gbazin committed
820
        for( i = 0; i < p_meta->i_track; i++ )
821
        {
gbazin's avatar
gbazin committed
822
            vlc_meta_t *tk = p_meta->track[i];
823
824
825
826
827
828
            int j;

            if( tk->i_meta > 0 )
            {
                char *psz_cat = malloc( strlen(_("Stream")) + 10 );

829
830
831
                msg_Dbg( p_input, "  - track[%d]:", i );

                sprintf( psz_cat, "%s %d", _("Stream"), i );
832
833
                for( j = 0; j < tk->i_meta; j++ )
                {
gbazin's avatar
gbazin committed
834
835
                    msg_Dbg( p_input, "     - '%s' = '%s'", _(tk->name[j]),
                             tk->value[j] );
836
837
838

                    input_Control( p_input, INPUT_ADD_INFO, psz_cat,
                                   _(tk->name[j]), "%s", tk->value[j] );
839
840
841
842
                }
            }
        }

843
        if( p_input->p_sout && p_input->p_sout->p_meta == NULL )
844
        {
845
            p_input->p_sout->p_meta = p_meta;
846
847
848
        }
        else
        {
gbazin's avatar
gbazin committed
849
            vlc_meta_Delete( p_meta );
850
        }
851
    }
852
    else if( p_meta ) vlc_meta_Delete( p_meta );
853

854
855
    msg_Dbg( p_input, "`%s' sucessfully opened",
             p_input->input.p_item->psz_uri );
856

857
858
    /* initialization is complete */
    p_input->i_state = PLAYING_S;
859

860
861
    val.i_int = PLAYING_S;
    var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
gbazin's avatar
gbazin committed
862

863
    return VLC_SUCCESS;
864

865
866
867
error:
    if( p_input->p_es_out )
        input_EsOutDelete( p_input->p_es_out );
Laurent Aimar's avatar
Laurent Aimar committed
868

869
870
    if( p_input->p_sout )
        sout_DeleteInstance( p_input->p_sout );
871

872
873
874
875
876
877
    /* Mark them deleted */
    p_input->input.p_demux = NULL;
    p_input->input.p_stream = NULL;
    p_input->input.p_access = NULL;
    p_input->p_es_out = NULL;
    p_input->p_sout = NULL;
878

879
    return VLC_EGENERIC;
Michel Kaempf's avatar
Michel Kaempf committed
880
881
}

882
/*****************************************************************************
Laurent Aimar's avatar
Laurent Aimar committed
883
 * Error: RunThread() error loop
884
 *****************************************************************************
Sam Hocevar's avatar
Sam Hocevar committed
885
 * This function is called when an error occurred during thread main's loop.
886
 *****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
887
static void Error( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
888
{
889
    while( !p_input->b_die )
Michel Kaempf's avatar
Michel Kaempf committed
890
    {
891
892
        /* Sleep a while */
        msleep( INPUT_IDLE_SLEEP );
Michel Kaempf's avatar
Michel Kaempf committed
893
894
895
    }
}

896
/*****************************************************************************
Laurent Aimar's avatar
Laurent Aimar committed
897
 * End: end the input thread
898
 *****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
899
static void End( input_thread_t * p_input )
900
{
Laurent Aimar's avatar
Laurent Aimar committed
901
    vlc_value_t val;
902
    int i;
903

904
    msg_Dbg( p_input, "closing input" );
905

Laurent Aimar's avatar
Laurent Aimar committed
906
907
908
909
910
911
912
913
    /* We are at the end */
    p_input->i_state = END_S;

    val.i_int = END_S;
    var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );

    /* Clean control variables */
    input_ControlVarClean( p_input );
914

915
916
    /* Clean up master */
    InputSourceClean( p_input, &p_input->input );
Laurent Aimar's avatar
Laurent Aimar committed
917

918
919
920
921
922
923
924
    /* Delete slave */
    for( i = 0; i < p_input->i_slave; i++ )
    {
        InputSourceClean( p_input, p_input->slave[i] );
        free( p_input->slave[i] );
    }
    if( p_input->slave ) free( p_input->slave );
Laurent Aimar's avatar
Laurent Aimar committed
925

926
    /* Unload all modules */
Laurent Aimar's avatar
Laurent Aimar committed
927
928
    if( p_input->p_es_out )
        input_EsOutDelete( p_input->p_es_out );
gbazin's avatar
   
gbazin committed
929

930
    /* Close optional stream output instance */
Laurent Aimar's avatar
Laurent Aimar committed
931
    if( p_input->p_sout )
932
    {
933
934
        vlc_object_t *p_pl =
            vlc_object_find( p_input, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
935
936
937
938
939
940
        vlc_value_t keep;

        if( var_Get( p_input, "sout-keep", &keep ) >= 0 && keep.b_bool && p_pl )
        {
            /* attach sout to the playlist */
            msg_Warn( p_input, "keeping sout" );
Laurent Aimar's avatar
Laurent Aimar committed
941
942
            vlc_object_detach( p_input->p_sout );
            vlc_object_attach( p_input->p_sout, p_pl );
943
944
945
946
        }
        else
        {
            msg_Warn( p_input, "destroying sout" );
Laurent Aimar's avatar
Laurent Aimar committed
947
            sout_DeleteInstance( p_input->p_sout );
948
949
950
        }
        if( p_pl )
            vlc_object_release( p_pl );
951
952
    }

Laurent Aimar's avatar
Laurent Aimar committed
953
954
955
    /* Tell we're dead */
    p_input->b_dead = VLC_TRUE;
}
956

Laurent Aimar's avatar
Laurent Aimar committed
957
958
959
960
961
962
963
964
965
966
/*****************************************************************************
 * Control
 *****************************************************************************/
static inline int ControlPopNoLock( input_thread_t *p_input,
                                    int *pi_type, vlc_value_t *p_val )
{
    if( p_input->i_control <= 0 )
    {
        return VLC_EGENERIC;
    }
967

Laurent Aimar's avatar
Laurent Aimar committed
968
969
    *pi_type = p_input->control[0].i_type;
    *p_val   = p_input->control[0].val;
Sam Hocevar's avatar
   
Sam Hocevar committed
970

Laurent Aimar's avatar
Laurent Aimar committed
971
972
973
974
    p_input->i_control--;
    if( p_input->i_control > 0 )
    {
        int i;
Christophe Massiot's avatar
Christophe Massiot committed
975

Laurent Aimar's avatar
Laurent Aimar committed
976
977
978
979
980
981
        for( i = 0; i < p_input->i_control; i++ )
        {
            p_input->control[i].i_type = p_input->control[i+1].i_type;
            p_input->control[i].val    = p_input->control[i+1].val;
        }
    }
982

Laurent Aimar's avatar
Laurent Aimar committed
983
984
    return VLC_SUCCESS;
}
985

Laurent Aimar's avatar
Laurent Aimar committed
986
987
988
989
990
991
992
993
994
static void ControlReduce( input_thread_t *p_input )
{
    int i;
    for( i = 1; i < p_input->i_control; i++ )
    {
        const int i_lt = p_input->control[i-1].i_type;
        const int i_ct = p_input->control[i].i_type;

        /* XXX We can't merge INPUT_CONTROL_SET_ES */
gbazin's avatar
gbazin committed
995
996
        msg_Dbg( p_input, "[%d/%d] l=%d c=%d", i, p_input->i_control,
                 i_lt, i_ct );
Laurent Aimar's avatar
Laurent Aimar committed
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
        if( i_lt == i_ct &&
            ( i_ct == INPUT_CONTROL_SET_STATE ||
              i_ct == INPUT_CONTROL_SET_RATE ||
              i_ct == INPUT_CONTROL_SET_POSITION ||
              i_ct == INPUT_CONTROL_SET_TIME ||
              i_ct == INPUT_CONTROL_SET_PROGRAM ||
              i_ct == INPUT_CONTROL_SET_TITLE ||
              i_ct == INPUT_CONTROL_SET_SEEKPOINT ||
              i_ct == INPUT_CONTROL_SET_BOOKMARK ) )
        {
            int j;
            msg_Dbg( p_input, "merged at %d", i );
            /* Remove the i-1 */
            for( j = i; j <  p_input->i_control; j++ )
                p_input->control[j-1] = p_input->control[j];
            p_input->i_control--;
        }
        else
        {
            /* TODO but that's not that important
                - merge SET_X with SET_X_CMD
                - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before a SET_TITLE
                - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before another among them
                - ?
                */
        }
    }
Sam Hocevar's avatar
   
Sam Hocevar committed
1024
}
Laurent Aimar's avatar
Laurent Aimar committed
1025

gbazin's avatar
gbazin committed
1026
1027