input.c 66.2 KB
Newer Older
1 2
/*****************************************************************************
 * input.c: input thread
3
 *****************************************************************************
4
 * Copyright (C) 1998-2004 VideoLAN
5
 * $Id$
6
 *
7
 * Authors: Christophe Massiot <massiot@via.ecp.fr>
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>
Sam Hocevar's avatar
 
Sam Hocevar committed
29

30
#include <vlc/vlc.h>
31
#include <vlc/input.h>
32
#include <vlc/decoder.h>
33
#include <vlc/vout.h>
Sam Hocevar's avatar
 
Sam Hocevar committed
34

35
#include "input_internal.h"
36

37 38
#include "stream_output.h"

39
#include "vlc_interface.h"
40
#include "vlc_meta.h"
Sam Hocevar's avatar
 
Sam Hocevar committed
41

42
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
43
 * Local prototypes
44
 *****************************************************************************/
45 46 47 48 49 50 51 52 53
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 );
54

55

56 57
static int  UpdateFromAccess( input_thread_t * );
static int  UpdateFromDemux( input_thread_t * );
Michel Kaempf's avatar
Michel Kaempf committed
58

59 60
static void UpdateItemLength( input_thread_t *, int64_t i_length );

61 62 63
static void ParseOption( input_thread_t *p_input, const char *psz_option );

static void DecodeUrl  ( char * );
64
static void MRLSplit( input_thread_t *, char *, char **, char **, char ** );
65
static void MRLSections( input_thread_t *, char *, int *, int *, int *, int *);
66 67

static input_source_t *InputSourceNew( input_thread_t *);
Laurent Aimar's avatar
 
Laurent Aimar committed
68 69
static int  InputSourceInit( input_thread_t *, input_source_t *,
                             char *, char *psz_forced_demux );
70 71 72 73
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 );
74

75 76
static vlc_meta_t *InputMetaUser( input_thread_t *p_input );

77
/*****************************************************************************
78
 * input_CreateThread: creates a new input thread
79
 *****************************************************************************
80 81
 * This function creates a new input, and returns a pointer
 * to its description. On error, it returns NULL.
82 83 84 85 86 87 88 89 90 91
 *
 * 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
92
 *  - audio-delay, spu-delay
93 94 95 96
 *  - bookmark
 * * Get only:
 *  - length
 *  - bookmarks
97
 *  - seekable (if you can seek, it doesn't say if 'bar display' has be shown or not, for that check position != 0.0)
98 99 100 101
 * * For intf callback upon changes
 *  - intf-change
 * TODO explain when Callback is called
 * TODO complete this list (?)
102
 *****************************************************************************/
103 104
input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
                                      input_item_t *p_item )
105

Michel Kaempf's avatar
Michel Kaempf committed
106
{
107
    input_thread_t *p_input;                        /* thread descriptor */
108 109
    vlc_value_t val;
    int i;
110

111
    /* Allocate descriptor */
112
    p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
113
    if( p_input == NULL )
Michel Kaempf's avatar
Michel Kaempf committed
114
    {
115
        msg_Err( p_parent, "out of memory" );
116
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
117
    }
118

119 120 121 122 123 124 125 126
    /* 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;
127
    p_input->i_title_offset = p_input->i_seekpoint_offset = 0;
128 129 130 131 132 133
    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;
134
    p_input->b_out_pace_control = VLC_FALSE;
135 136 137 138 139 140 141 142 143 144
    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;
145
    p_input->input.i_title_offset = p_input->input.i_seekpoint_offset = 0;
146 147 148 149
    p_input->input.b_can_pace_control = VLC_TRUE;
    p_input->input.b_eof = VLC_FALSE;
    p_input->input.i_cr_average = 0;

150 151 152 153
    /* No slave */
    p_input->i_slave = 0;
    p_input->slave   = NULL;

154 155 156
    /* Init control buffer */
    vlc_mutex_init( p_input, &p_input->lock_control );
    p_input->i_control = 0;
157

Gildas Bazin's avatar
 
Gildas Bazin committed
158
    /* Parse input options */
159 160
    vlc_mutex_lock( &p_item->lock );
    for( i = 0; i < p_item->i_options; i++ )
Gildas Bazin's avatar
 
Gildas Bazin committed
161
    {
162 163
        msg_Dbg( p_input, "option: %s", p_item->ppsz_options[i] );
        ParseOption( p_input, p_item->ppsz_options[i] );
Gildas Bazin's avatar
 
Gildas Bazin committed
164
    }
165
    vlc_mutex_unlock( &p_item->lock );
Gildas Bazin's avatar
 
Gildas Bazin committed
166

167 168
    /* Create Object Variables for private use only */
    input_ConfigVarInit( p_input );
Michel Kaempf's avatar
Michel Kaempf committed
169

170 171 172
    /* Create Objects variables for public Get and Set */
    input_ControlVarInit( p_input );
    p_input->input.i_cr_average = var_GetInteger( p_input, "cr-average" );
Gildas Bazin's avatar
Gildas Bazin committed
173

174
    /* TODO */
Gildas Bazin's avatar
Gildas Bazin committed
175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204
    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 ) )
                {
205
                    seekpoint.i_byte_offset = atoll(psz_start + 6);
Gildas Bazin's avatar
Gildas Bazin committed
206 207 208
                }
                else if( !strncmp( psz_start, "time=", 5 ) )
                {
209
                    seekpoint.i_time_offset = atoll(psz_start + 5) * 1000000;
Gildas Bazin's avatar
Gildas Bazin committed
210 211 212 213 214 215 216 217 218 219 220 221
                }
                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 );
    }

222
    /* Now we can attach our new input */
223
    vlc_object_attach( p_input, p_parent );
Sam Hocevar's avatar
 
Sam Hocevar committed
224

Sam Hocevar's avatar
Sam Hocevar committed
225
    /* Create thread and wait for its readiness. */
226
    if( vlc_thread_create( p_input, "input", Run,
227
                           VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
Michel Kaempf's avatar
Michel Kaempf committed
228
    {
229
        msg_Err( p_input, "cannot create input thread" );
230 231
        vlc_object_detach( p_input );
        vlc_object_destroy( p_input );
232
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
233
    }
234

235
    return p_input;
Michel Kaempf's avatar
Michel Kaempf committed
236 237
}

238
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
239
 * input_StopThread: mark an input thread as zombie
240
 *****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
241
 * This function should not return until the thread is effectively cancelled.
242
 *****************************************************************************/
Sam Hocevar's avatar
Sam Hocevar committed
243
void input_StopThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
244
{
245 246
    vlc_list_t *p_list;
    int i;
247

248 249
    /* Set die for input */
    p_input->b_die = VLC_TRUE;
250

251 252
    /* We cannot touch p_input fields directly (we can from another thread),
     * so use the vlc_object_find way, it's perfectly safe */
253

254 255 256
    /* 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++ )
257
    {
258
        p_list->p_values[i].p_object->b_die = VLC_TRUE;
259
    }
260
    vlc_list_release( p_list );
261

262 263 264
    /* 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++ )
265
    {
266
        p_list->p_values[i].p_object->b_die = VLC_TRUE;
267
    }
268
    vlc_list_release( p_list );
269

270 271 272 273 274 275 276
    /* 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
277

278
    input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
Sam Hocevar's avatar
 
Sam Hocevar committed
279 280 281 282 283 284 285 286 287 288
}

/*****************************************************************************
 * 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 */
289
    vlc_thread_join( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
290

291 292 293 294 295
    /* 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
296 297
}

298
/*****************************************************************************
299
 * Run: main thread loop
300
 *****************************************************************************
301
 * Thread in charge of processing the network packets and demultiplexing.
302 303 304 305
 *
 * TODO:
 *  read subtitle support (XXX take care of spu-delay in the right way).
 *  multi-input support (XXX may be done with subs)
306
 *****************************************************************************/
307
static int Run( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
308
{
309
    int64_t i_intf_update = 0;
310

311
    /* Signal that the thread is launched */
Sam Hocevar's avatar
Sam Hocevar committed
312 313
    vlc_thread_ready( p_input );

314
    if( Init( p_input ) )
Sam Hocevar's avatar
 
Sam Hocevar committed
315 316
    {
        /* If we failed, wait before we are killed, and exit */
317
        p_input->b_error = VLC_TRUE;
318

319
        Error( p_input );
320 321

        /* Tell we're dead */
322
        p_input->b_dead = VLC_TRUE;
323

Sam Hocevar's avatar
 
Sam Hocevar committed
324
        return 0;
Sam Hocevar's avatar
 
Sam Hocevar committed
325
    }
Michel Kaempf's avatar
Michel Kaempf committed
326

327
    /* Main loop */
328
    while( !p_input->b_die && !p_input->b_error && !p_input->input.b_eof )
Sam Hocevar's avatar
 
Sam Hocevar committed
329
    {
330 331 332 333
        vlc_bool_t b_force_update = VLC_FALSE;
        int i_ret;
        int i_type;
        vlc_value_t val;
334

335 336
        /* Do the read */
        if( p_input->i_state != PAUSE_S  )
337
        {
338 339 340 341
            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 */
342

343 344 345 346 347 348
            if( i_ret > 0 )
            {
                /* TODO */
                if( p_input->input.b_title_demux &&
                    p_input->input.p_demux->info.i_update )
                {
349
                    i_ret = UpdateFromDemux( p_input );
350 351 352 353 354 355
                    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 )
                {
356
                    i_ret = UpdateFromAccess( p_input );
357 358 359
                    b_force_update = VLC_TRUE;
                }
            }
360 361

            if( i_ret == 0 )    /* EOF */
362 363
            {
                vlc_value_t repeat;
364

365 366 367 368 369 370 371 372 373
                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
374
                {
Gildas Bazin's avatar
Gildas Bazin committed
375 376
                    msg_Dbg( p_input, "repeating the same input (%d)",
                             repeat.i_int );
377 378 379 380 381
                    if( repeat.i_int > 0 )
                    {
                        repeat.i_int--;
                        var_Set( p_input, "input-repeat", repeat );
                    }
382

383 384 385 386 387 388 389 390 391 392 393 394 395 396 397
                    /* 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 */
398 399 400 401 402 403 404 405 406 407 408 409
                    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 );
                    }
410 411
                }
            }
412 413 414 415
            else if( i_ret < 0 )
            {
                p_input->b_error = VLC_TRUE;
            }
416 417 418 419 420

            if( i_ret > 0 && p_input->i_slave > 0 )
            {
                SlaveDemux( p_input );
            }
421
        }
422
        else
423
        {
424 425 426
            /* Small wait */
            msleep( 10*1000 );
        }
427

428 429 430 431 432 433 434 435 436 437
        /* 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 );
438

439
        if( b_force_update || i_intf_update < mdate() )
440 441 442 443 444
        {
            vlc_value_t val;
            double f_pos;
            int64_t i_time, i_length;
            /* update input status variables */
Gildas Bazin's avatar
Gildas Bazin committed
445 446
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_POSITION, &f_pos ) )
447 448 449 450
            {
                val.f_float = (float)f_pos;
                var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
            }
Gildas Bazin's avatar
Gildas Bazin committed
451 452
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_TIME, &i_time ) )
453 454 455 456 457
            {
                p_input->i_time = i_time;
                val.i_time = i_time;
                var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
            }
Gildas Bazin's avatar
Gildas Bazin committed
458 459
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_LENGTH, &i_length ) )
460 461 462 463 464
            {
                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 );
465

466
                if( old_val.i_time != val.i_time )
467
                {
468
                    UpdateItemLength( p_input, i_length );
469 470
                }
            }
471 472 473

            var_SetBool( p_input, "intf-change", VLC_TRUE );
            i_intf_update = mdate() + I64C(150000);
474
        }
475 476
    }

477
    if( !p_input->b_eof && !p_input->b_error && p_input->input.b_eof )
478
    {
479 480
        /* We have finish to demux data but not to play them */
        while( !p_input->b_die )
Sam Hocevar's avatar
 
Sam Hocevar committed
481
        {
482 483
            if( input_EsOutDecodersEmpty( p_input->p_es_out ) )
                break;
484

485
            msg_Dbg( p_input, "waiting decoder fifos to empty" );
486

487
            msleep( INPUT_IDLE_SLEEP );
Sam Hocevar's avatar
 
Sam Hocevar committed
488
        }
489

490 491
        /* We have finished */
        p_input->b_eof = VLC_TRUE;
492 493
    }

494 495
    /* Wait we are asked to die */
    if( !p_input->b_die )
496
    {
497
        Error( p_input );
498
    }
499

500 501
    /* Clean up */
    End( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
502

Sam Hocevar's avatar
 
Sam Hocevar committed
503
    return 0;
504 505
}

506
/*****************************************************************************
507
 * Init: init the input Thread
508
 *****************************************************************************/
509
static int Init( input_thread_t * p_input )
Michel Kaempf's avatar
Michel Kaempf committed
510
{
511
    char *psz;
Laurent Aimar's avatar
 
Laurent Aimar committed
512
    char *psz_subtitle;
513
    vlc_value_t val;
Laurent Aimar's avatar
 
Laurent Aimar committed
514
    double f_fps;
515 516
    vlc_meta_t *p_meta, *p_meta_user;
    int i;
517

518 519 520
    /* Initialize optional stream output. (before access/demuxer) */
    psz = var_GetString( p_input, "sout" );
    if( *psz )
521
    {
522 523
        p_input->p_sout = sout_NewInstance( p_input, psz );
        if( p_input->p_sout == NULL )
524 525
        {
            msg_Err( p_input, "cannot start stream output instance, aborting" );
526
            free( psz );
527 528
            return VLC_EGENERIC;
        }
529
    }
530
    free( psz );
Christophe Massiot's avatar
Christophe Massiot committed
531

532
    /* Create es out */
533
    p_input->p_es_out = input_EsOutNew( p_input );
534 535
    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 );
536

537
    if( InputSourceInit( p_input, &p_input->input,
Laurent Aimar's avatar
 
Laurent Aimar committed
538
                         p_input->input.p_item->psz_uri, NULL ) )
539
    {
540
        goto error;
541
    }
542

543
    /* Create global title (from master) */
544
    p_input->i_title = p_input->input.i_title;
545
    p_input->title   = p_input->input.title;
546 547
    p_input->i_title_offset = p_input->input.i_title_offset;
    p_input->i_seekpoint_offset = p_input->input.i_seekpoint_offset;
548
    if( p_input->i_title > 0 )
549
    {
550 551 552
        /* Setup variables */
        input_ControlVarNavigation( p_input );
        input_ControlVarTitle( p_input, 0 );
553
    }
554

555 556 557 558 559 560 561
    /* 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;
562

Gildas Bazin's avatar
 
Gildas Bazin committed
563 564
    /* If the desynchronisation requested by the user is < 0, we need to
     * cache more data. */
Gildas Bazin's avatar
 
Gildas Bazin committed
565
    var_Get( p_input, "audio-desync", &val );
566
    if( val.i_int < 0 ) p_input->i_pts_delay -= (val.i_int * 1000);
Gildas Bazin's avatar
 
Gildas Bazin committed
567

568
    /* Load master infos */
569
    /* Init length */
Gildas Bazin's avatar
Gildas Bazin committed
570 571
    if( !demux2_Control( p_input->input.p_demux, DEMUX_GET_LENGTH,
                         &val.i_time ) && val.i_time > 0 )
572 573
    {
        var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
574 575

        UpdateItemLength( p_input, val.i_time );
576
    }
577 578 579 580 581 582 583 584 585 586 587

    /* 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 );

588 589 590 591 592 593 594 595 596 597
    /* 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 )
598
        {
599
            msg_Warn( p_input, "invalid start-time ignored" );
600
        }
601
        else
602
        {
603 604 605 606 607 608 609
            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 );
610
        }
611 612 613 614 615
    }
    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;
616 617
    }

Sam Hocevar's avatar
 
Sam Hocevar committed
618

Laurent Aimar's avatar
 
Laurent Aimar committed
619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658
    /* 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 )
                {
Gildas Bazin's avatar
Gildas Bazin committed
659 660
                    input_ControlPush( p_input, INPUT_CONTROL_SET_ES,
                                       &list.p_list->p_values[count.i_int] );
Laurent Aimar's avatar
 
Laurent Aimar committed
661 662 663 664 665 666 667 668 669 670 671 672 673
                }
                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;
674

Laurent Aimar's avatar
 
Laurent Aimar committed
675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690
        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 );
691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725

    /* 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 );
726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741

    /* 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 );

    if( p_input->p_sout )
    {
        if( p_input->p_sout->i_out_pace_nocontrol > 0 )
        {
            p_input->b_out_pace_control = VLC_FALSE;
742
        }
743 744 745 746 747 748
        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" );
749 750
    }

751 752
    /* Get meta data from users */
    p_meta_user = InputMetaUser( p_input );
753

754 755 756
    /* Get meta data from master input */
    if( demux2_Control( p_input->input.p_demux, DEMUX_GET_META, &p_meta ) )
        p_meta = NULL;
757

758 759
    /* Merge them */
    if( p_meta == NULL )
760
    {
761
        p_meta = p_meta_user;
762
    }
763
    else if( p_meta_user )
764
    {
765 766 767
        vlc_meta_Merge( p_meta, p_meta_user );
        vlc_meta_Delete( p_meta_user );
    }
768

769 770 771 772
    /* Get meta data from slave input */
    for( i = 0; i < p_input->i_slave; i++ )
    {
        vlc_meta_t *p_meta_slave;
773

774
        if( !demux2_Control( p_input->slave[i]->p_demux, DEMUX_GET_META, &p_meta_slave ) )
775
        {
776
            if( p_meta == NULL )
777
            {
778
                p_meta = p_meta_slave;
779
            }
780 781 782 783 784 785 786 787 788 789
            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 )
    {
790
        msg_Dbg( p_input, "meta information:" );
791 792 793 794 795 796 797 798 799 800 801 802
        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] );

803
            input_Control( p_input, INPUT_ADD_INFO, _("Meta-information"),
804
                          _(p_meta->name[i]), "%s", p_meta->value[i] );
805
        }
806

807
        for( i = 0; i < p_meta->i_track; i++ )
808
        {
809
            vlc_meta_t *tk = p_meta->track[i];
810 811 812 813 814 815
            int j;

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

816 817 818
                msg_Dbg( p_input, "  - track[%d]:", i );

                sprintf( psz_cat, "%s %d", _("Stream"), i );
819 820
                for( j = 0; j < tk->i_meta; j++ )
                {
821 822
                    msg_Dbg( p_input, "     - '%s' = '%s'", _(tk->name[j]),
                             tk->value[j] );
823 824 825

                    input_Control( p_input, INPUT_ADD_INFO, psz_cat,
                                   _(tk->name[j]), "%s", tk->value[j] );
826 827 828 829
                }
            }
        }

830
        if( p_input->p_sout && p_input->p_sout->p_meta == NULL )
831
        {
832
            p_input->p_sout->p_meta = p_meta;
833 834 835
        }
        else
        {
836
            vlc_meta_Delete( p_meta );
837
        }
838 839
    }

840 841
    msg_Dbg( p_input, "`%s' sucessfully opened",
             p_input->input.p_item->psz_uri );
842

843 844
    /* initialization is complete */
    p_input->i_state = PLAYING_S;
845

846 847
    val.i_int = PLAYING_S;
    var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
848

849
    return VLC_SUCCESS;
850

851 852 853
error:
    if( p_input->p_es_out )
        input_EsOutDelete( p_input->p_es_out );
Laurent Aimar's avatar
Laurent Aimar committed
854

855 856
    if( p_input->p_sout )
        sout_DeleteInstance( p_input->p_sout );
857

858 859 860 861 862 863
    /* 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;
864

865
    return VLC_EGENERIC;
Michel Kaempf's avatar
Michel Kaempf committed
866 867
}

868
/*****************************************************************************
869
 * Error: RunThread() error loop
870
 *****************************************************************************
871
 * This function is called when an error occured during thread main's loop.
872
 *****************************************************************************/
873
static void Error( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
874
{
875
    while( !p_input->b_die )
Michel Kaempf's avatar
Michel Kaempf committed
876
    {
877 878
        /* Sleep a while */
        msleep( INPUT_IDLE_SLEEP );
Michel Kaempf's avatar
Michel Kaempf committed
879 880 881
    }
}

882
/*****************************************************************************
883
 * End: end the input thread
884
 *****************************************************************************/
885
static void End( input_thread_t * p_input )
886
{
887
    vlc_value_t val;
888
    int i;
889

890 891
    msg_Dbg( p_input, "closing `%s'",
             p_input->input.p_item->psz_uri );
892

893 894 895 896 897 898 899 900
    /* 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 );
901

902 903
    /* Clean up master */
    InputSourceClean( p_input, &p_input->input );
904

905 906 907 908 909 910 911
    /* 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 );
912

913
    /* Unload all modules */
914 915
    if( p_input->p_es_out )
        input_EsOutDelete( p_input->p_es_out );
Gildas Bazin's avatar
 
Gildas Bazin committed
916

917
    /* Close optional stream output instance */
918
    if( p_input->p_sout )
919
    {
920 921
        vlc_object_t *p_pl =
            vlc_object_find( p_input, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
922 923 924 925 926 927
        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" );
928 929
            vlc_object_detach( p_input->p_sout );
            vlc_object_attach( p_input->p_sout, p_pl );
930 931 932 933
        }
        else
        {
            msg_Warn( p_input, "destroying sout" );
934
            sout_DeleteInstance( p_input->p_sout );
935 936 937
        }
        if( p_pl )
            vlc_object_release( p_pl );
938 939
    }

940 941 942
    /* Tell we're dead */
    p_input->b_dead = VLC_TRUE;
}
943

944 945 946 947 948 949 950 951 952 953
/*****************************************************************************
 * 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;
    }
954

955 956
    *pi_type = p_input->control[0].i_type;
    *p_val   = p_input->control[0].val;
Sam Hocevar's avatar
 
Sam Hocevar committed
957

958 959 960 961
    p_input->i_control--;
    if( p_input->i_control > 0 )
    {
        int i;
Christophe Massiot's avatar
Christophe Massiot committed
962

963 964 965 966 967 968
        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;
        }
    }
969

970 971
    return VLC_SUCCESS;
}
972

973 974 975 976 977 978 979 980 981
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 */
Gildas Bazin's avatar
Gildas Bazin committed
982 983
        msg_Dbg( p_input, "[%d/%d] l=%d c=%d", i, p_input->i_control,
                 i_lt, i_ct );
984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010
        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
1011
}
1012

Gildas Bazin's avatar
Gildas Bazin committed
1013 1014
static vlc_bool_t Control( input_thread_t *p_input, int i_type,
                           vlc_value_t val )
1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042
{
    vlc_bool_t b_force_update = VLC_FALSE;

    switch( i_type )
    {
        case INPUT_CONTROL_SET_DIE:
            msg_Dbg( p_input, "control: INPUT_CONTROL_SET_DIE proceed" );
            /* Mark all submodules to die */
            if( p_input->input.p_access )
                p_input->input.p_access->b_die = VLC_TRUE;
            if( p_input->input.p_stream )
                p_input->input.p_stream->b_die = VLC_TRUE;
            p_input->input.p_demux->b_die = VLC_TRUE;

            p_input->b_die = VLC_TRUE;
            break;

        case INPUT_CONTROL_SET_POSITION:
        case INPUT_CONTROL_SET_POSITION_OFFSET:
        {
            double f_pos;
            if( i_type == INPUT_CONTROL_SET_POSITION )
            {
                f_pos = val.f_float;
            }
            else
            {
                /* Should not fail */
Gildas Bazin's avatar
Gildas Bazin committed
1043 1044
                demux2_Control( p_input->input.p_demux,
                                DEMUX_GET_POSITION, &f_pos );
1045 1046 1047 1048
                f_pos += val.f_float;
            }
            if( f_pos < 0.0 ) f_pos = 0.0;
            if( f_pos > 1.0 ) f_pos = 1.0;
Gildas Bazin's avatar
Gildas Bazin committed
1049 1050
            if( demux2_Control( p_input->input.p_demux, DEMUX_SET_POSITION,
                                f_pos ) )
1051
            {
Gildas Bazin's avatar
Gildas Bazin committed
1052 1053
                msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) "
                         "%2.1f%% failed", f_pos * 100 );
1054 1055 1056
            }
            else
            {
1057 1058 1059
                if( p_input->i_slave > 0 )
                    SlaveSeek( p_input );

1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102
                input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
                es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
                b_force_update = VLC_TRUE;
            }
            break;
        }

        case INPUT_CONTROL_SET_TIME:
        case INPUT_CONTROL_SET_TIME_OFFSET:
        {
            int64_t i_time;
            int i_ret;

            if( i_type == INPUT_CONTROL_SET_TIME )
            {
                i_time = val.i_time;
            }
            else
            {
                /* Should not fail */
                demux2_Control( p_input->input.p_demux,
                                DEMUX_GET_TIME, &i_time );
                i_time += val.i_time;
            }
            if( i_time < 0 ) i_time = 0;
            i_ret = demux2_Control( p_input->input.p_demux,
                                    DEMUX_SET_TIME, i_time );
            if( i_ret )
            {
                int64_t i_length;
                /* Emulate it with a SET_POS */

                demux2_Control( p_input->input.p_demux,
                                DEMUX_GET_LENGTH, &i_length );
                if( i_length > 0 )
                {
                    double f_pos = (double)i_time / (double)i_length;
                    i_ret = demux2_Control( p_input->input.p_demux,
                                            DEMUX_SET_POSITION, f_pos );
                }
            }
            if( i_ret )
            {
Gildas Bazin's avatar
Gildas Bazin committed
1103 1104
                msg_Err( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) "I64Fd
                         " failed", i_time );
1105 1106 1107
            }
            else
            {
1108 1109 1110
                if( p_input->i_slave > 0 )
                    SlaveSeek( p_input );

1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147
                input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );

                es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
                b_force_update = VLC_TRUE;
            }
            break;
        }

        case INPUT_CONTROL_SET_STATE:
            if( ( val.i_int == PLAYING_S && p_input->i_state == PAUSE_S ) ||
                ( val.i_int == PAUSE_S && p_input->i_state == PAUSE_S ) )
            {
                int i_ret;
                if( p_input->input.p_access )
                    i_ret = access2_Control( p_input->input.p_access,
                                             ACCESS_SET_PAUSE_STATE, VLC_FALSE );
                else
                    i_ret = demux2_Control( p_input->input.p_demux,
                                            DEMUX_SET_PAUSE_STATE, VLC_FALSE );

                if( i_ret )
                {
                    /* FIXME What to do ? */
                    msg_Warn( p_input, "cannot unset pause -> EOF" );
                    input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
                }

                b_force_update = VLC_TRUE;

                /* Switch to play */
                p_input->i_state = PLAYING_S;
                val.i_int = PLAYING_S;
                var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );

                /* Reset clock */
                es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
            }
Gildas Bazin's avatar
Gildas Bazin committed
1148 1149
            else if( val.i_int == PAUSE_S && p_input->i_state == PLAYING_S &&
                     p_input->b_can_pause )
1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212
            {
                int i_ret;
                if( p_input->input.p_access )
                    i_ret = access2_Control( p_input->input.p_access,
                                             ACCESS_SET_PAUSE_STATE, VLC_TRUE );
                else
                    i_ret = demux2_Control( p_input->input.p_demux,
                                            DEMUX_SET_PAUSE_STATE, VLC_TRUE );

                b_force_update = VLC_TRUE;

                if( i_ret )
                {
                    msg_Warn( p_input, "cannot set pause state" );
                    val.i_int = p_input->i_state;
                }
                else
                {
                    val.i_int = PAUSE_S;
                }

                /* Switch to new state */
                p_input->i_state = val.i_int;
                var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
            }
            else if( val.i_int == PAUSE_S && !p_input->b_can_pause )
            {
                b_force_update = VLC_TRUE;

                /* Correct "state" value */
                val.i_int = p_input->i_state;