input.c 73.6 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>
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

36
#include "input_internal.h"
37

38 39
#include "stream_output.h"

40
#include "vlc_interface.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 * );
58
static int  UpdateMeta( 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.
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
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)
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

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;
129 130 131 132
    p_input->i_state = INIT_S;
    p_input->i_rate  = INPUT_RATE_DEFAULT;
    p_input->i_bookmark = 0;
    p_input->bookmark = NULL;
133
    p_input->p_meta  = NULL;
134 135
    p_input->p_es_out = NULL;
    p_input->p_sout  = NULL;
136
    p_input->b_out_pace_control = VLC_FALSE;
137 138 139 140 141 142 143 144 145 146
    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;
147
    p_input->input.i_title_offset = p_input->input.i_seekpoint_offset = 0;
148 149 150 151
    p_input->input.b_can_pace_control = VLC_TRUE;
    p_input->input.b_eof = VLC_FALSE;
    p_input->input.i_cr_average = 0;

152 153 154 155
    /* No slave */
    p_input->i_slave = 0;
    p_input->slave   = NULL;

156 157 158
    /* Init control buffer */
    vlc_mutex_init( p_input, &p_input->lock_control );
    p_input->i_control = 0;
159

Gildas Bazin's avatar
 
Gildas Bazin committed
160
    /* Parse input options */
161 162
    vlc_mutex_lock( &p_item->lock );
    for( i = 0; i < p_item->i_options; i++ )
Gildas Bazin's avatar
 
Gildas Bazin committed
163
    {
164
//        msg_Dbg( p_input, "option: %s", p_item->ppsz_options[i] );
165
        ParseOption( p_input, p_item->ppsz_options[i] );
Gildas Bazin's avatar
 
Gildas Bazin committed
166
    }
167
    vlc_mutex_unlock( &p_item->lock );
Gildas Bazin's avatar
 
Gildas Bazin committed
168

169 170
    /* Create Object Variables for private use only */
    input_ConfigVarInit( p_input );
Michel Kaempf's avatar
Michel Kaempf committed
171

172 173 174
    /* 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
175

176
    /* TODO */
Gildas Bazin's avatar
Gildas Bazin committed
177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206
    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 ) )
                {
207
                    seekpoint.i_byte_offset = atoll(psz_start + 6);
Gildas Bazin's avatar
Gildas Bazin committed
208 209 210
                }
                else if( !strncmp( psz_start, "time=", 5 ) )
                {
211
                    seekpoint.i_time_offset = atoll(psz_start + 5) * 1000000;
Gildas Bazin's avatar
Gildas Bazin committed
212 213 214 215 216 217 218 219 220 221 222 223
                }
                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 );
    }

224
    /* Now we can attach our new input */
225
    vlc_object_attach( p_input, p_parent );
Sam Hocevar's avatar
 
Sam Hocevar committed
226

Sam Hocevar's avatar
Sam Hocevar committed
227
    /* Create thread and wait for its readiness. */
228
    if( vlc_thread_create( p_input, "input", Run,
229
                           VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
Michel Kaempf's avatar
Michel Kaempf committed
230
    {
231
        msg_Err( p_input, "cannot create input thread" );
232 233
        vlc_object_detach( p_input );
        vlc_object_destroy( p_input );
234
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
235
    }
236

237
    return p_input;
Michel Kaempf's avatar
Michel Kaempf committed
238 239
}

240
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
241
 * input_StopThread: mark an input thread as zombie
242
 *****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
243
 * This function should not return until the thread is effectively cancelled.
244
 *****************************************************************************/
Sam Hocevar's avatar
Sam Hocevar committed
245
void input_StopThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
246
{
247 248
    vlc_list_t *p_list;
    int i;
249

250 251
    /* Set die for input */
    p_input->b_die = VLC_TRUE;
252

253 254
    /* We cannot touch p_input fields directly (we can from another thread),
     * so use the vlc_object_find way, it's perfectly safe */
255

256 257 258
    /* 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++ )
259
    {
260
        p_list->p_values[i].p_object->b_die = VLC_TRUE;
261
    }
262
    vlc_list_release( p_list );
263

264 265 266
    /* 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++ )
267
    {
268
        p_list->p_values[i].p_object->b_die = VLC_TRUE;
269
    }
270
    vlc_list_release( p_list );
271

272 273 274 275 276 277 278
    /* 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
279

280
    input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
Sam Hocevar's avatar
 
Sam Hocevar committed
281 282 283 284 285 286 287 288 289 290
}

/*****************************************************************************
 * 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 */
291
    vlc_thread_join( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
292

293 294 295 296 297
    /* 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
298 299
}

300
/*****************************************************************************
301
 * Run: main thread loop
302
 *****************************************************************************
303
 * Thread in charge of processing the network packets and demultiplexing.
304 305 306 307
 *
 * TODO:
 *  read subtitle support (XXX take care of spu-delay in the right way).
 *  multi-input support (XXX may be done with subs)
308
 *****************************************************************************/
309
static int Run( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
310
{
311
    int64_t i_intf_update = 0;
312

313
    /* Signal that the thread is launched */
Sam Hocevar's avatar
Sam Hocevar committed
314 315
    vlc_thread_ready( p_input );

316
    if( Init( p_input ) )
Sam Hocevar's avatar
 
Sam Hocevar committed
317 318
    {
        /* If we failed, wait before we are killed, and exit */
319
        p_input->b_error = VLC_TRUE;
320

321
        Error( p_input );
322 323

        /* Tell we're dead */
324
        p_input->b_dead = VLC_TRUE;
325

Sam Hocevar's avatar
 
Sam Hocevar committed
326
        return 0;
Sam Hocevar's avatar
 
Sam Hocevar committed
327
    }
Michel Kaempf's avatar
Michel Kaempf committed
328

329
    /* Main loop */
330
    while( !p_input->b_die && !p_input->b_error && !p_input->input.b_eof )
Sam Hocevar's avatar
 
Sam Hocevar committed
331
    {
332 333 334 335
        vlc_bool_t b_force_update = VLC_FALSE;
        int i_ret;
        int i_type;
        vlc_value_t val;
336

337 338
        /* Do the read */
        if( p_input->i_state != PAUSE_S  )
339
        {
340 341 342 343
            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 */
344

345 346 347 348 349 350
            if( i_ret > 0 )
            {
                /* TODO */
                if( p_input->input.b_title_demux &&
                    p_input->input.p_demux->info.i_update )
                {
351
                    i_ret = UpdateFromDemux( p_input );
352 353 354 355 356 357
                    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 )
                {
358
                    i_ret = UpdateFromAccess( p_input );
359 360 361
                    b_force_update = VLC_TRUE;
                }
            }
362 363

            if( i_ret == 0 )    /* EOF */
364 365
            {
                vlc_value_t repeat;
366

367 368 369 370 371 372 373 374 375
                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
376
                {
Gildas Bazin's avatar
Gildas Bazin committed
377 378
                    msg_Dbg( p_input, "repeating the same input (%d)",
                             repeat.i_int );
379 380 381 382 383
                    if( repeat.i_int > 0 )
                    {
                        repeat.i_int--;
                        var_Set( p_input, "input-repeat", repeat );
                    }
384

385 386 387 388 389 390 391 392 393 394 395 396 397 398 399
                    /* 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 */
400 401 402 403 404 405 406 407 408 409 410 411
                    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 );
                    }
412 413
                }
            }
414 415 416 417
            else if( i_ret < 0 )
            {
                p_input->b_error = VLC_TRUE;
            }
418 419 420 421 422

            if( i_ret > 0 && p_input->i_slave > 0 )
            {
                SlaveDemux( p_input );
            }
423
        }
424
        else
425
        {
426 427 428
            /* Small wait */
            msleep( 10*1000 );
        }
429

430 431 432 433 434 435 436 437 438 439
        /* 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 );
440

441
        if( b_force_update || i_intf_update < mdate() )
442 443 444 445 446
        {
            vlc_value_t val;
            double f_pos;
            int64_t i_time, i_length;
            /* update input status variables */
Gildas Bazin's avatar
Gildas Bazin committed
447 448
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_POSITION, &f_pos ) )
449 450 451 452
            {
                val.f_float = (float)f_pos;
                var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
            }
Gildas Bazin's avatar
Gildas Bazin committed
453 454
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_TIME, &i_time ) )
455 456 457 458 459
            {
                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
460 461
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_LENGTH, &i_length ) )
462 463 464 465 466
            {
                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 );
467

468
                if( old_val.i_time != val.i_time )
469
                {
470
                    UpdateItemLength( p_input, i_length );
471 472
                }
            }
473 474 475

            var_SetBool( p_input, "intf-change", VLC_TRUE );
            i_intf_update = mdate() + I64C(150000);
476
        }
477 478
    }

479
    if( !p_input->b_eof && !p_input->b_error && p_input->input.b_eof )
480
    {
481 482
        /* We have finish to demux data but not to play them */
        while( !p_input->b_die )
Sam Hocevar's avatar
 
Sam Hocevar committed
483
        {
484 485
            if( input_EsOutDecodersEmpty( p_input->p_es_out ) )
                break;
486

487
            msg_Dbg( p_input, "waiting decoder fifos to empty" );
488

489
            msleep( INPUT_IDLE_SLEEP );
Sam Hocevar's avatar
 
Sam Hocevar committed
490
        }
491

492 493
        /* We have finished */
        p_input->b_eof = VLC_TRUE;
494 495
    }

496 497
    /* Wait we are asked to die */
    if( !p_input->b_die )
498
    {
499
        Error( p_input );
500
    }
501

502 503
    /* Clean up */
    End( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
504

Sam Hocevar's avatar
 
Sam Hocevar committed
505
    return 0;
506 507
}

508
/*****************************************************************************
509
 * Init: init the input Thread
510
 *****************************************************************************/
511
static int Init( input_thread_t * p_input )
Michel Kaempf's avatar
Michel Kaempf committed
512
{
513
    char *psz;
Laurent Aimar's avatar
 
Laurent Aimar committed
514
    char *psz_subtitle;
515
    vlc_value_t val;
Laurent Aimar's avatar
 
Laurent Aimar committed
516
    double f_fps;
517
    vlc_meta_t *p_meta, *p_meta_tmp;
518
    int i_es_out_mode;
519
    int i, i_delay;
520

521 522 523
    /* Initialize optional stream output. (before access/demuxer) */
    psz = var_GetString( p_input, "sout" );
    if( *psz )
524
    {
525 526
        p_input->p_sout = sout_NewInstance( p_input, psz );
        if( p_input->p_sout == NULL )
527 528
        {
            msg_Err( p_input, "cannot start stream output instance, aborting" );
529
            free( psz );
530 531
            return VLC_EGENERIC;
        }
532
    }
533
    free( psz );
Christophe Massiot's avatar
Christophe Massiot committed
534

535
    /* Create es out */
536
    p_input->p_es_out = input_EsOutNew( p_input );
537 538
    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 );
539

540
    if( InputSourceInit( p_input, &p_input->input,
Laurent Aimar's avatar
 
Laurent Aimar committed
541
                         p_input->input.p_item->psz_uri, NULL ) )
542
    {
543
        goto error;
544
    }
545

546
    /* Create global title (from master) */
547
    p_input->i_title = p_input->input.i_title;
548
    p_input->title   = p_input->input.title;
549 550
    p_input->i_title_offset = p_input->input.i_title_offset;
    p_input->i_seekpoint_offset = p_input->input.i_seekpoint_offset;
551
    if( p_input->i_title > 0 )
552
    {
553 554 555
        /* Setup variables */
        input_ControlVarNavigation( p_input );
        input_ControlVarTitle( p_input, 0 );
556
    }
557

558 559 560 561 562 563 564
    /* 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;
565

Gildas Bazin's avatar
 
Gildas Bazin committed
566 567
    /* If the desynchronisation requested by the user is < 0, we need to
     * cache more data. */
Gildas Bazin's avatar
 
Gildas Bazin committed
568
    var_Get( p_input, "audio-desync", &val );
569
    if( val.i_int < 0 ) p_input->i_pts_delay -= (val.i_int * 1000);
Gildas Bazin's avatar
 
Gildas Bazin committed
570

571 572 573 574 575
    /* 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;

576
    /* Load master infos */
577
    /* Init length */
Gildas Bazin's avatar
Gildas Bazin committed
578 579
    if( !demux2_Control( p_input->input.p_demux, DEMUX_GET_LENGTH,
                         &val.i_time ) && val.i_time > 0 )
580 581
    {
        var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
582 583

        UpdateItemLength( p_input, val.i_time );
584
        p_input->input.p_item->i_duration = val.i_time;
585
    }
586 587 588 589 590 591 592 593 594 595 596

    /* 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 );

597 598 599 600 601 602 603 604 605 606
    /* 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 )
607
        {
608
            msg_Warn( p_input, "invalid start-time ignored" );
609
        }
610
        else
611
        {
612 613 614 615 616 617 618
            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 );
619
        }
620 621 622 623 624
    }
    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;
625 626
    }

Sam Hocevar's avatar
 
Sam Hocevar committed
627

Laurent Aimar's avatar
 
Laurent Aimar committed
628 629 630 631 632 633
    /* 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;
634 635 636 637
        float f_requested_fps;

        var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
        var_SetFloat( p_input, "sub-original-fps", f_fps );
Laurent Aimar's avatar
 
Laurent Aimar committed
638

639 640
        f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
        if( f_requested_fps != f_fps )
Laurent Aimar's avatar
 
Laurent Aimar committed
641 642
        {
            var_Create( p_input, "sub-fps", VLC_VAR_FLOAT| VLC_VAR_DOINHERIT );
643
            var_SetFloat( p_input, "sub-fps", f_requested_fps );
Laurent Aimar's avatar
 
Laurent Aimar committed
644 645 646
        }
    }

647 648 649 650 651 652 653 654
    i_delay = var_CreateGetInteger( p_input, "sub-delay" );

    if( i_delay != 0 )
    {
        var_SetTime( p_input, "spu-delay", (mtime_t)i_delay * 100000 );
    }


Laurent Aimar's avatar
 
Laurent Aimar committed
655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680
    /* 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
681 682
                    input_ControlPush( p_input, INPUT_CONTROL_SET_ES,
                                       &list.p_list->p_values[count.i_int] );
Laurent Aimar's avatar
 
Laurent Aimar committed
683 684 685 686 687 688 689 690 691 692 693 694 695
                }
                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;
696

Laurent Aimar's avatar
 
Laurent Aimar committed
697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712
        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 );
713 714 715 716 717

    /* Look for slave */
    psz = var_GetString( p_input, "input-slave" );
    if( *psz )
    {
Clément Stenac's avatar
Clément Stenac committed
718 719 720
        char *psz_delim;
        input_source_t *slave;
        while( psz && *psz )
721
        {
Clément Stenac's avatar
Clément Stenac committed
722 723 724 725 726
            while( *psz == ' ' || *psz == '#' )
            {
                psz++;
            }
            if( ( psz_delim = strchr( psz, '#' ) ) )
727 728 729
            {
                *psz_delim++ = '\0';
            }
Clément Stenac's avatar
Clément Stenac committed
730
            if( *psz == 0 )
731
            {
Clément Stenac's avatar
Clément Stenac committed
732
                break;
733 734 735 736 737 738 739 740
            }

            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 );
            }
Clément Stenac's avatar
Clément Stenac committed
741
            psz = psz_delim;
742
        }
Clément Stenac's avatar
Clément Stenac committed
743
        free( psz );
744
    }
745 746 747

    /* Set up es_out */
    es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_TRUE );
748 749
    i_es_out_mode = ES_OUT_MODE_AUTO;
    val.p_list = NULL;
750 751 752
    if( p_input->p_sout )
    {
        var_Get( p_input, "sout-all", &val );
753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768
        if ( val.b_bool )
        {
            i_es_out_mode = ES_OUT_MODE_ALL;
            val.p_list = NULL;
        }
        else
        {
            var_Get( p_input, "programs", &val );
            if ( val.p_list && val.p_list->i_count )
            {
                i_es_out_mode = ES_OUT_MODE_PARTIAL;
                /* Note : we should remove the "program" callback. */
            }
            else
                var_Change( p_input, "programs", VLC_VAR_FREELIST, &val, NULL );
        }
769
    }
770
    es_out_Control( p_input->p_es_out, ES_OUT_SET_MODE, i_es_out_mode );
771

772
    /* Inform the demuxer about waited group (needed only for DVB) */
773 774 775 776 777 778 779 780 781
    if( i_es_out_mode == ES_OUT_MODE_ALL )
    {
        demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, -1, NULL );
    }
    else if( i_es_out_mode == ES_OUT_MODE_PARTIAL )
    {
        demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, -1,
                        val.p_list );
    }
782
    else
783
    {
784
        demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP,
785 786
                       (int) var_GetInteger( p_input, "program" ), NULL );
    }
787

788 789 790 791 792
    if( p_input->p_sout )
    {
        if( p_input->p_sout->i_out_pace_nocontrol > 0 )
        {
            p_input->b_out_pace_control = VLC_FALSE;
793
        }
794 795 796 797 798 799
        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" );
800 801
    }

802
    /* Get meta data from users */
803
    p_meta_tmp = InputMetaUser( p_input );
804

805 806 807
    /* Get meta data from master input */
    if( demux2_Control( p_input->input.p_demux, DEMUX_GET_META, &p_meta ) )
        p_meta = NULL;
808

809 810
    /* Merge them */
    if( p_meta == NULL )
811
    {
812
        p_meta = p_meta_tmp;
813
    }
814
    else if( p_meta_tmp )
815
    {
816 817 818 819
        vlc_meta_Merge( p_meta, p_meta_tmp );
        vlc_meta_Delete( p_meta_tmp );
    }

820 821
    if( !p_input->input.p_access ||
        access2_Control( p_input->input.p_access, ACCESS_GET_META, &p_meta_tmp))
822 823 824 825 826 827 828 829 830 831
        p_meta_tmp = NULL;

    if( p_meta == NULL )
    {
        p_meta = p_meta_tmp;
    }
    else if( p_meta_tmp )
    {
        vlc_meta_Merge( p_meta, p_meta_tmp );
        vlc_meta_Delete( p_meta_tmp );
832
    }
833

834 835 836 837
    /* Get meta data from slave input */
    for( i = 0; i < p_input->i_slave; i++ )
    {
        vlc_meta_t *p_meta_slave;
838

839 840
        if( !demux2_Control( p_input->slave[i]->p_demux,
                             DEMUX_GET_META, &p_meta_slave ) )
841
        {
842
            if( p_meta == NULL )
843
            {
844
                p_meta = p_meta_slave;
845
            }
846 847 848 849 850 851 852
            else if( p_meta_slave )
            {
                vlc_meta_Merge( p_meta, p_meta_slave );
                vlc_meta_Delete( p_meta_slave );
            }
        }

853 854
        if( p_input->slave[i]->p_access && 
            !access2_Control( p_input->slave[i]->p_access,
855
                              ACCESS_GET_META, &p_meta_slave ) )
856
        {
857
            if( p_meta == NULL )
858
            {
859 860 861 862 863 864
                p_meta = p_meta_slave;
            }
            else if( p_meta_slave )
            {
                vlc_meta_Merge( p_meta, p_meta_slave );
                vlc_meta_Delete( p_meta_slave );
865 866 867 868
            }
        }

    }
869 870 871

    p_input->p_meta = p_meta;
    UpdateMeta( p_input );
872

873 874
    msg_Dbg( p_input, "`%s' sucessfully opened",
             p_input->input.p_item->psz_uri );
875

876 877 878 879 880
    /* Trigger intf update for this item */
    /* Playlist has a callback on this variable and will forward
     * it to intf */
    var_SetInteger( p_input, "item-change", p_input->input.p_item->i_id );

881 882
    /* initialization is complete */
    p_input->i_state = PLAYING_S;
883

884 885
    val.i_int = PLAYING_S;
    var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
886

887
    return VLC_SUCCESS;
888

889 890 891
error:
    if( p_input->p_es_out )
        input_EsOutDelete( p_input->p_es_out );
Laurent Aimar's avatar
Laurent Aimar committed
892

893 894
    if( p_input->p_sout )
        sout_DeleteInstance( p_input->p_sout );
895

896 897 898 899 900 901
    /* 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;
902

903
    return VLC_EGENERIC;
Michel Kaempf's avatar
Michel Kaempf committed
904 905
}

906
/*****************************************************************************
907
 * Error: RunThread() error loop
908
 *****************************************************************************
Sam Hocevar's avatar
Sam Hocevar committed
909
 * This function is called when an error occurred during thread main's loop.
910
 *****************************************************************************/
911
static void Error( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
912
{
913
    while( !p_input->b_die )
Michel Kaempf's avatar
Michel Kaempf committed
914
    {
915 916
        /* Sleep a while */
        msleep( INPUT_IDLE_SLEEP );
Michel Kaempf's avatar
Michel Kaempf committed
917 918 919
    }
}

920
/*****************************************************************************
921
 * End: end the input thread
922
 *****************************************************************************/
923
static void End( input_thread_t * p_input )
924
{
925
    vlc_value_t val;
926
    int i;
927

928
    msg_Dbg( p_input, "closing input" );
929

930 931 932 933 934 935 936 937
    /* 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 );
938

939 940
    /* Clean up master */
    InputSourceClean( p_input, &p_input->input );
941

942 943 944 945 946 947 948
    /* 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 );
949

950
    /* Unload all modules */
951 952
    if( p_input->p_es_out )
        input_EsOutDelete( p_input->p_es_out );
Gildas Bazin's avatar
 
Gildas Bazin committed
953

954
    /* Close optional stream output instance */
955
    if( p_input->p_sout )
956
    {
957 958
        vlc_object_t *p_pl =
            vlc_object_find( p_input, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
959 960 961 962 963 964
        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" );
965 966
            vlc_object_detach( p_input->p_sout );
            vlc_object_attach( p_input->p_sout, p_pl );
967 968 969 970
        }
        else
        {
            msg_Warn( p_input, "destroying sout" );
971
            sout_DeleteInstance( p_input->p_sout );
972 973 974
        }
        if( p_pl )
            vlc_object_release( p_pl );
975 976
    }

977 978 979 980
    /* Delete meta */
    if( p_input->p_meta )
        vlc_meta_Delete( p_input->p_meta );

981 982 983
    /* Tell we're dead */
    p_input->b_dead = VLC_TRUE;
}
984

985 986 987 988 989 990 991 992 993 994
/*****************************************************************************
 * 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;
    }
995

996 997
    *pi_type = p_input->control[0].i_type;
    *p_val   = p_input->control[0].val;
Sam Hocevar's avatar
 
Sam Hocevar committed
998

999 1000 1001 1002
    p_input->i_control--;
    if( p_input->i_control > 0 )
    {
        int i;
Christophe Massiot's avatar
Christophe Massiot committed
1003

1004 1005 1006 1007 1008 1009
        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;
        }
    }
1010

1011 1012
    return VLC_SUCCESS;
}
1013

1014 1015 1016 1017 1018 1019 1020 1021 1022
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
1023 1024
        msg_Dbg( p_input, "[%d/%d] l=%d c=%d", i, p_input->i_control,
                 i_lt, i_ct );
1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051
        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
1052
}
1053

Gildas Bazin's avatar
Gildas Bazin committed
1054 1055
static vlc_bool_t Control( input_thread_t *p_input, int i_type,
                           vlc_value_t val )
1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083
{
    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
1084 1085
                demux2_Control( p_input->input.p_demux,
                                DEMUX_GET_POSITION, &f_pos );
1086 1087 1088 1089
                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
1090 1091
            if( demux2_Control( p_input->input.p_demux, DEMUX_SET_POSITION,
                                f_pos ) )