input.c 90.1 KB
Newer Older
1 2
/*****************************************************************************
 * input.c: input thread
3
 *****************************************************************************
4
 * Copyright (C) 1998-2004 the VideoLAN team
5
 * $Id$
6
 *
7
 * Authors: Christophe Massiot <massiot@via.ecp.fr>
Laurent Aimar's avatar
Laurent Aimar committed
8
 *          Laurent Aimar <fenrir@via.ecp.fr>
9 10 11 12 13
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
14
 *
15 16
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 18
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
19
 *
20 21
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
Antoine Cellerier's avatar
Antoine Cellerier committed
22
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23
 *****************************************************************************/
Michel Kaempf's avatar
Michel Kaempf committed
24

25
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
26
 * Preamble
27
 *****************************************************************************/
28
#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
#include "stream_output.h"
39
#include "vlc_playlist.h"
40
#include "vlc_interface.h"
41
#include "vlc_interaction.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
static  int Run  ( input_thread_t *p_input );
47
static  int RunAndClean  ( input_thread_t *p_input );
Laurent Aimar's avatar
Laurent Aimar committed
48

49 50
static input_thread_t * Create  ( vlc_object_t *, input_item_t *, char *,
                                  vlc_bool_t );
51 52 53 54
static  int             Init    ( input_thread_t *p_input, vlc_bool_t b_quick );
static void             Error   ( input_thread_t *p_input );
static void             End     ( input_thread_t *p_input );
static void             MainLoop( input_thread_t *p_input );
Laurent Aimar's avatar
Laurent Aimar committed
55 56 57 58

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 );
59

60

61 62
static int  UpdateFromAccess( input_thread_t * );
static int  UpdateFromDemux( input_thread_t * );
63
static int  UpdateMeta( input_thread_t *, vlc_bool_t );
Michel Kaempf's avatar
Michel Kaempf committed
64

65
static void UpdateItemLength( input_thread_t *, int64_t i_length, vlc_bool_t );
66

67 68
static void ParseOption( input_thread_t *p_input, const char *psz_option );

69
static void DecodeUrl( char * );
70
static void MRLSections( input_thread_t *, char *, int *, int *, int *, int *);
71 72

static input_source_t *InputSourceNew( input_thread_t *);
Laurent Aimar's avatar
 
Laurent Aimar committed
73
static int  InputSourceInit( input_thread_t *, input_source_t *,
74 75
                             char *, char *psz_forced_demux,
                             vlc_bool_t b_quick );
76 77 78 79
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 );
80

81 82
static vlc_meta_t *InputMetaUser( input_thread_t *p_input );

83
/*****************************************************************************
84 85
 * 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
86 87 88 89 90 91 92 93 94 95
 *
 * 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
96
 *  - audio-delay, spu-delay
Laurent Aimar's avatar
Laurent Aimar committed
97 98 99 100
 *  - bookmark
 * * Get only:
 *  - length
 *  - bookmarks
101
 *  - 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
102 103 104 105
 * * For intf callback upon changes
 *  - intf-change
 * TODO explain when Callback is called
 * TODO complete this list (?)
106
 *****************************************************************************/
107
static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
108
                               char *psz_header, vlc_bool_t b_quick )
Michel Kaempf's avatar
Michel Kaempf committed
109
{
110
    input_thread_t *p_input = NULL;                 /* thread descriptor */
111 112
    vlc_value_t val;
    int i;
113

114
    /* Allocate descriptor */
115
    p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
116
    if( p_input == NULL )
Michel Kaempf's avatar
Michel Kaempf committed
117
    {
118
        msg_Err( p_parent, "out of memory" );
119
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
120
    }
121
    p_input->psz_header = psz_header ? strdup( psz_header ) : NULL;
122

Laurent Aimar's avatar
Laurent Aimar committed
123 124 125 126 127 128 129 130
    /* 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;
131
    p_input->i_title_offset = p_input->i_seekpoint_offset = 0;
Laurent Aimar's avatar
Laurent Aimar committed
132 133 134 135
    p_input->i_state = INIT_S;
    p_input->i_rate  = INPUT_RATE_DEFAULT;
    p_input->i_bookmark = 0;
    p_input->bookmark = NULL;
136
    p_input->p_meta  = NULL;
Laurent Aimar's avatar
Laurent Aimar committed
137 138
    p_input->p_es_out = NULL;
    p_input->p_sout  = NULL;
139
    p_input->b_out_pace_control = VLC_FALSE;
Laurent Aimar's avatar
Laurent Aimar committed
140 141 142 143 144 145 146 147 148 149
    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;
150
    p_input->input.i_title_offset = p_input->input.i_seekpoint_offset = 0;
Laurent Aimar's avatar
Laurent Aimar committed
151 152 153 154
    p_input->input.b_can_pace_control = VLC_TRUE;
    p_input->input.b_eof = VLC_FALSE;
    p_input->input.i_cr_average = 0;

Clément Stenac's avatar
Clément Stenac committed
155 156
    stats_ReinitInputStats( p_item->p_stats );

157 158 159 160
    /* No slave */
    p_input->i_slave = 0;
    p_input->slave   = NULL;

Laurent Aimar's avatar
Laurent Aimar committed
161 162 163
    /* Init control buffer */
    vlc_mutex_init( p_input, &p_input->lock_control );
    p_input->i_control = 0;
164

Gildas Bazin's avatar
 
Gildas Bazin committed
165
    /* Parse input options */
166 167
    vlc_mutex_lock( &p_item->lock );
    for( i = 0; i < p_item->i_options; i++ )
Gildas Bazin's avatar
 
Gildas Bazin committed
168
    {
169
        ParseOption( p_input, p_item->ppsz_options[i] );
Gildas Bazin's avatar
 
Gildas Bazin committed
170
    }
171
    vlc_mutex_unlock( &p_item->lock );
Gildas Bazin's avatar
 
Gildas Bazin committed
172

Laurent Aimar's avatar
Laurent Aimar committed
173 174
    /* Create Object Variables for private use only */
    input_ConfigVarInit( p_input );
Michel Kaempf's avatar
Michel Kaempf committed
175

Laurent Aimar's avatar
Laurent Aimar committed
176 177 178
    /* 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
179

180
    if( !b_quick )
Gildas Bazin's avatar
Gildas Bazin committed
181
    {
182 183
        var_Get( p_input, "bookmarks", &val );
        if( val.psz_string )
Gildas Bazin's avatar
Gildas Bazin committed
184
        {
185 186 187 188
            /* 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, '{' ) ) )
Gildas Bazin's avatar
Gildas Bazin committed
189
            {
190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214
                 seekpoint_t *p_seekpoint = vlc_seekpoint_New();
                 char backup;
                 psz_start++;
                 psz_end = strchr( psz_start, '}' );
                 if( !psz_end ) break;
                 psz_parser = psz_end + 1;
                 backup = *psz_parser;
                 *psz_parser = 0;
                 *psz_end = ',';
                 while( (psz_end = strchr( psz_start, ',' ) ) )
                 {
                     *psz_end = 0;
                     if( !strncmp( psz_start, "name=", 5 ) )
                     {
                         p_seekpoint->psz_name = psz_start + 5;
                     }
                     else if( !strncmp( psz_start, "bytes=", 6 ) )
                     {
                         p_seekpoint->i_byte_offset = atoll(psz_start + 6);
                     }
                     else if( !strncmp( psz_start, "time=", 5 ) )
                     {
                         p_seekpoint->i_time_offset = atoll(psz_start + 5) * 1000000;
                     }
                     psz_start = psz_end + 1;
Gildas Bazin's avatar
Gildas Bazin committed
215
                }
216 217 218 219 220 221
                msg_Dbg( p_input, "adding bookmark: %s, bytes="I64Fd", time="I64Fd,
                                  p_seekpoint->psz_name, p_seekpoint->i_byte_offset,
                                  p_seekpoint->i_time_offset );
                input_Control( p_input, INPUT_ADD_BOOKMARK, p_seekpoint );
                vlc_seekpoint_Delete( p_seekpoint );
                *psz_parser = backup;
Gildas Bazin's avatar
Gildas Bazin committed
222
            }
223
            free( val.psz_string );
Gildas Bazin's avatar
Gildas Bazin committed
224 225 226
        }
    }

227 228
    /* Remove 'Now playing' info as it is probably outdated */
    input_Control( p_input, INPUT_DEL_INFO, _("Meta-information"),
229 230 231 232 233 234 235 236 237 238 239 240 241 242 243
                    VLC_META_NOW_PLAYING );

    return p_input;
}

/**
 * Initialize an input thread and run it. You will need to monitor the thread to clean
 * up after it is done
 *
 * \param p_parent a vlc_object
 * \param p_item an input item
 * \return a pointer to the spawned input thread
 */
input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
                                      input_item_t *p_item )
244
{
245
    return __input_CreateThread2( p_parent, p_item, NULL );
246 247
}

248

249 250 251 252
/* Gruik ! */
input_thread_t *__input_CreateThread2( vlc_object_t *p_parent,
                                       input_item_t *p_item,
                                       char *psz_header )
253
{
254
    input_thread_t *p_input = NULL;      /* thread descriptor */
255

256
    p_input = Create( p_parent, p_item, psz_header, VLC_FALSE );
Laurent Aimar's avatar
Laurent Aimar committed
257
    /* Now we can attach our new input */
258
    vlc_object_attach( p_input, p_parent );
Sam Hocevar's avatar
 
Sam Hocevar committed
259

Sam Hocevar's avatar
Sam Hocevar committed
260
    /* Create thread and wait for its readiness. */
Laurent Aimar's avatar
Laurent Aimar committed
261
    if( vlc_thread_create( p_input, "input", Run,
262
                            VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
Michel Kaempf's avatar
Michel Kaempf committed
263
    {
264
        msg_Err( p_input, "cannot create input thread" );
Laurent Aimar's avatar
Laurent Aimar committed
265 266
        vlc_object_detach( p_input );
        vlc_object_destroy( p_input );
267
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
268
    }
269

270
    return p_input;
Michel Kaempf's avatar
Michel Kaempf committed
271 272
}

273 274 275 276 277 278 279 280

/**
 * Initialize an input thread and run it. This thread will clean after himself,
 * you can forget about it. It can work either in blocking or non-blocking mode
 *
 * \param p_parent a vlc_object
 * \param p_item an input item
 * \param b_block should we block until read is finished ?
Clément Stenac's avatar
Clément Stenac committed
281
 * \return the input object id if non blocking, an error code else
282
 */
283
int __input_Read( vlc_object_t *p_parent, input_item_t *p_item,
284
                   vlc_bool_t b_block )
285
{
286
    input_thread_t *p_input = NULL;         /* thread descriptor */
287

288
    p_input = Create( p_parent, p_item, NULL, VLC_FALSE );
289 290 291 292
    /* Now we can attach our new input */
    vlc_object_attach( p_input, p_parent );

    if( b_block )
293
    {
294
        RunAndClean( p_input );
Clément Stenac's avatar
Clément Stenac committed
295
        return VLC_SUCCESS;
296
    }
297
    else
298
    {
299 300 301 302 303 304
        if( vlc_thread_create( p_input, "input", RunAndClean,
                               VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
        {
            msg_Err( p_input, "cannot create input thread" );
            vlc_object_detach( p_input );
            vlc_object_destroy( p_input );
Clément Stenac's avatar
Clément Stenac committed
305
            return VLC_EGENERIC;
306
        }
307
    }
308
    return p_input->i_object_id;
309
}
310

311 312 313 314 315 316 317 318 319 320
/**
 * Initialize an input and initialize it to preparse the item
 * This function is blocking. It will only accept to parse files
 *
 * \param p_parent a vlc_object_t
 * \param p_item an input item
 * \return VLC_SUCCESS or an error
 */
int __input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
{
321
    input_thread_t *p_input = NULL;           /* thread descriptor */
322

323
    /* Allocate descriptor */
324
    p_input = Create( p_parent, p_item, NULL, VLC_TRUE );
325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349

    /* Now we can attach our new input */
    vlc_object_attach( p_input, p_parent );

    Init( p_input, VLC_TRUE );

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

    /* Kill access and demux */
    if( p_input->input.p_access ) p_input->input.p_access->b_die = VLC_TRUE;
    if( p_input->input.p_demux ) p_input->input.p_access->b_die = VLC_TRUE;

    /* Unload all modules */
    if( p_input->p_es_out ) input_EsOutDelete( p_input->p_es_out );

    /* Delete meta */
    if( p_input->p_meta ) vlc_meta_Delete( p_input->p_meta );

    vlc_object_detach( p_input );
    vlc_object_destroy( p_input );

    return VLC_SUCCESS;
}

350 351 352 353 354
/**
 * Request a running input thread to stop and die
 *
 * \param the input thread to stop
 */
Sam Hocevar's avatar
Sam Hocevar committed
355
void input_StopThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
356
{
Laurent Aimar's avatar
Laurent Aimar committed
357 358
    vlc_list_t *p_list;
    int i;
359

Laurent Aimar's avatar
Laurent Aimar committed
360 361
    /* Set die for input */
    p_input->b_die = VLC_TRUE;
362

Laurent Aimar's avatar
Laurent Aimar committed
363 364
    /* We cannot touch p_input fields directly (we can from another thread),
     * so use the vlc_object_find way, it's perfectly safe */
365

Laurent Aimar's avatar
Laurent Aimar committed
366 367 368
    /* 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++ )
369
    {
Laurent Aimar's avatar
Laurent Aimar committed
370
        p_list->p_values[i].p_object->b_die = VLC_TRUE;
371
    }
Laurent Aimar's avatar
Laurent Aimar committed
372
    vlc_list_release( p_list );
373

Laurent Aimar's avatar
Laurent Aimar committed
374 375 376
    /* 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++ )
377
    {
Laurent Aimar's avatar
Laurent Aimar committed
378
        p_list->p_values[i].p_object->b_die = VLC_TRUE;
379
    }
Laurent Aimar's avatar
Laurent Aimar committed
380
    vlc_list_release( p_list );
381

Laurent Aimar's avatar
Laurent Aimar committed
382 383 384 385 386 387 388
    /* 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
389

Laurent Aimar's avatar
Laurent Aimar committed
390
    input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
Sam Hocevar's avatar
 
Sam Hocevar committed
391 392
}

393 394 395 396 397 398
/**
 * Clean up a dead input thread
 * This function does not return until the thread is effectively cancelled.
 *
 * \param the input thread to kill
 */
Sam Hocevar's avatar
 
Sam Hocevar committed
399 400 401
void input_DestroyThread( input_thread_t *p_input )
{
    /* Join the thread */
402
    vlc_thread_join( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
403

Laurent Aimar's avatar
Laurent Aimar committed
404 405 406 407 408
    /* 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
409 410
}

411
/*****************************************************************************
Laurent Aimar's avatar
Laurent Aimar committed
412
 * Run: main thread loop
413 414
 * This is the "normal" thread that spawns the input processing chain,
 * reads the stream, cleans up and waits
415
 *****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
416
static int Run( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
417
{
Laurent Aimar's avatar
Laurent Aimar committed
418
    /* Signal that the thread is launched */
Sam Hocevar's avatar
Sam Hocevar committed
419 420
    vlc_thread_ready( p_input );

421
    if( Init( p_input, VLC_FALSE ) )
Sam Hocevar's avatar
 
Sam Hocevar committed
422 423
    {
        /* If we failed, wait before we are killed, and exit */
Laurent Aimar's avatar
Laurent Aimar committed
424
        p_input->b_error = VLC_TRUE;
425

Laurent Aimar's avatar
Laurent Aimar committed
426
        Error( p_input );
427 428

        /* Tell we're dead */
Laurent Aimar's avatar
Laurent Aimar committed
429
        p_input->b_dead = VLC_TRUE;
430

Sam Hocevar's avatar
 
Sam Hocevar committed
431
        return 0;
Sam Hocevar's avatar
 
Sam Hocevar committed
432
    }
Michel Kaempf's avatar
Michel Kaempf committed
433

434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515
    MainLoop( p_input );

    if( !p_input->b_eof && !p_input->b_error && p_input->input.b_eof )
    {
        /* We have finish to demux data but not to play them */
        while( !p_input->b_die )
        {
            if( input_EsOutDecodersEmpty( p_input->p_es_out ) )
                break;

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

            msleep( INPUT_IDLE_SLEEP );
        }

        /* We have finished */
        p_input->b_eof = VLC_TRUE;
    }

    /* Wait we are asked to die */
    if( !p_input->b_die )
    {
        Error( p_input );
    }

    /* Clean up */
    End( p_input );

    return 0;
}

/*****************************************************************************
 * RunAndClean: main thread loop
 * This is the "just forget me" thread that spawns the input processing chain,
 * reads the stream, cleans up and releases memory
 *****************************************************************************/
static int RunAndClean( input_thread_t *p_input )
{
    /* Signal that the thread is launched */
    vlc_thread_ready( p_input );

    if( Init( p_input, VLC_FALSE ) )
    {
        /* If we failed, just exit */
        return 0;
    }

    MainLoop( p_input );

    if( !p_input->b_eof && !p_input->b_error && p_input->input.b_eof )
    {
        /* We have finish to demux data but not to play them */
        while( !p_input->b_die )
        {
            if( input_EsOutDecodersEmpty( p_input->p_es_out ) )
                break;

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

            msleep( INPUT_IDLE_SLEEP );
        }
        /* We have finished */
        p_input->b_eof = VLC_TRUE;
    }

    /* Clean up */
    End( p_input );

    /* Release memory */
    vlc_object_detach( p_input );
    vlc_object_destroy( p_input );

    return 0;
}


/*****************************************************************************
 * Main loop: Fill buffers from access, and demux
 *****************************************************************************/
static void MainLoop( input_thread_t *p_input )
{
    int64_t i_intf_update = 0;
516
    while( !p_input->b_die && !p_input->b_error && !p_input->input.b_eof )
Sam Hocevar's avatar
 
Sam Hocevar committed
517
    {
Laurent Aimar's avatar
Laurent Aimar committed
518 519 520 521
        vlc_bool_t b_force_update = VLC_FALSE;
        int i_ret;
        int i_type;
        vlc_value_t val;
522

Laurent Aimar's avatar
Laurent Aimar committed
523 524
        /* Do the read */
        if( p_input->i_state != PAUSE_S  )
525
        {
Laurent Aimar's avatar
Laurent Aimar committed
526 527 528 529
            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 */
530

Laurent Aimar's avatar
Laurent Aimar committed
531 532 533 534 535 536
            if( i_ret > 0 )
            {
                /* TODO */
                if( p_input->input.b_title_demux &&
                    p_input->input.p_demux->info.i_update )
                {
537
                    i_ret = UpdateFromDemux( p_input );
Laurent Aimar's avatar
Laurent Aimar committed
538 539 540 541 542 543
                    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 )
                {
544
                    i_ret = UpdateFromAccess( p_input );
Laurent Aimar's avatar
Laurent Aimar committed
545 546 547
                    b_force_update = VLC_TRUE;
                }
            }
548 549

            if( i_ret == 0 )    /* EOF */
Laurent Aimar's avatar
Laurent Aimar committed
550 551
            {
                vlc_value_t repeat;
552

Laurent Aimar's avatar
Laurent Aimar committed
553 554 555 556 557 558 559 560 561
                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
562
                {
Gildas Bazin's avatar
Gildas Bazin committed
563 564
                    msg_Dbg( p_input, "repeating the same input (%d)",
                             repeat.i_int );
Laurent Aimar's avatar
Laurent Aimar committed
565 566 567 568 569
                    if( repeat.i_int > 0 )
                    {
                        repeat.i_int--;
                        var_Set( p_input, "input-repeat", repeat );
                    }
570

571 572 573 574 575 576 577 578 579 580 581 582 583 584 585
                    /* 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
586 587 588 589 590 591 592 593 594 595 596 597
                    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 );
                    }
598 599
                }
            }
Laurent Aimar's avatar
Laurent Aimar committed
600 601 602 603
            else if( i_ret < 0 )
            {
                p_input->b_error = VLC_TRUE;
            }
604 605 606 607 608

            if( i_ret > 0 && p_input->i_slave > 0 )
            {
                SlaveDemux( p_input );
            }
609
        }
Laurent Aimar's avatar
Laurent Aimar committed
610
        else
611
        {
Laurent Aimar's avatar
Laurent Aimar committed
612 613 614
            /* Small wait */
            msleep( 10*1000 );
        }
615

Laurent Aimar's avatar
Laurent Aimar committed
616 617 618 619 620 621 622 623 624 625
        /* 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 );
626

627
        if( b_force_update || i_intf_update < mdate() )
Laurent Aimar's avatar
Laurent Aimar committed
628 629 630 631 632
        {
            vlc_value_t val;
            double f_pos;
            int64_t i_time, i_length;
            /* update input status variables */
Gildas Bazin's avatar
Gildas Bazin committed
633 634
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_POSITION, &f_pos ) )
Laurent Aimar's avatar
Laurent Aimar committed
635 636 637 638
            {
                val.f_float = (float)f_pos;
                var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
            }
Gildas Bazin's avatar
Gildas Bazin committed
639 640
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_TIME, &i_time ) )
Laurent Aimar's avatar
Laurent Aimar committed
641 642 643 644 645
            {
                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
646 647
            if( !demux2_Control( p_input->input.p_demux,
                                 DEMUX_GET_LENGTH, &i_length ) )
Laurent Aimar's avatar
Laurent Aimar committed
648 649 650 651 652
            {
                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 );
653

Laurent Aimar's avatar
Laurent Aimar committed
654
                if( old_val.i_time != val.i_time )
655
                {
656
                    UpdateItemLength( p_input, i_length, VLC_TRUE );
657 658
                }
            }
Laurent Aimar's avatar
Laurent Aimar committed
659 660 661

            var_SetBool( p_input, "intf-change", VLC_TRUE );
            i_intf_update = mdate() + I64C(150000);
662
        }
Laurent Aimar's avatar
Laurent Aimar committed
663
    }
664 665
}

666 667

static int Init( input_thread_t * p_input, vlc_bool_t b_quick )
Michel Kaempf's avatar
Michel Kaempf committed
668
{
Laurent Aimar's avatar
Laurent Aimar committed
669
    char *psz;
Laurent Aimar's avatar
 
Laurent Aimar committed
670
    char *psz_subtitle;
Laurent Aimar's avatar
Laurent Aimar committed
671
    vlc_value_t val;
Laurent Aimar's avatar
 
Laurent Aimar committed
672
    double f_fps;
673
    vlc_meta_t *p_meta, *p_meta_tmp;
674
    int i_es_out_mode;
Clément Stenac's avatar
Clément Stenac committed
675
    int i, i_delay;
676

677 678 679 680 681 682 683
    /* Initialize optional stream output. (before access/demuxer)
     * XXX: we add a special case if the uri starts by vlc.
     * else 'vlc in.file --sout "" vlc:quit'  cannot work (the output will
     * be destroyed in case of a file).
     * (this will break playing of file starting by 'vlc:' but I don't
     * want to add more logic, just force file by file:// or code it ;)
     */
684
    if( !b_quick )
685
    {
Clément Stenac's avatar
Clément Stenac committed
686
        /* Prepare statistics */
687
        counter_t *p_counter;
688
        stats_Create( p_input, "read_bytes", VLC_VAR_INTEGER, STATS_COUNTER );
Clément Stenac's avatar
Clément Stenac committed
689
        stats_Create( p_input, "read_packets", VLC_VAR_INTEGER, STATS_COUNTER );
690
        stats_Create( p_input, "demux_read", VLC_VAR_INTEGER, STATS_COUNTER );
691
        stats_Create( p_input, "input_bitrate", VLC_VAR_FLOAT,
Clément Stenac's avatar
Clément Stenac committed
692
                               STATS_DERIVATIVE );
693 694
        stats_Create( p_input, "demux_bitrate", VLC_VAR_FLOAT,
                               STATS_DERIVATIVE );
695 696 697
        p_counter = stats_CounterGet( p_input, p_input->i_object_id,
                                      "input_bitrate" );
        if( p_counter ) p_counter->update_interval = 1000000;
698 699 700
        p_counter = stats_CounterGet( p_input, p_input->i_object_id,
                                      "demux_bitrate" );
        if( p_counter ) p_counter->update_interval = 1000000;
701

Clément Stenac's avatar
Clément Stenac committed
702 703 704 705
        stats_Create( p_input, "played_abuffers", VLC_VAR_INTEGER, STATS_COUNTER );
        stats_Create( p_input, "lost_abuffers", VLC_VAR_INTEGER, STATS_COUNTER );

        /* handle sout */
706
        psz = var_GetString( p_input, "sout" );
707
        if( *psz && strncasecmp( p_input->input.p_item->psz_uri, "vlc:", 4 ) )
708
        {
709 710 711
            p_input->p_sout = sout_NewInstance( p_input, psz );
            if( p_input->p_sout == NULL )
            {
Gildas Bazin's avatar
Gildas Bazin committed
712
                msg_Err( p_input, "cannot start stream output instance, " \
713 714 715 716
                                  "aborting" );
                free( psz );
                return VLC_EGENERIC;
            }
717
        }
718
        free( psz );
719
    }
Christophe Massiot's avatar
Christophe Massiot committed
720

Laurent Aimar's avatar
Laurent Aimar committed
721
    /* Create es out */
722
    p_input->p_es_out = input_EsOutNew( p_input );
723 724
    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 );
725

726
    if( InputSourceInit( p_input, &p_input->input,
727
                         p_input->input.p_item->psz_uri, NULL, b_quick ) )
728
    {
729
        goto error;
Laurent Aimar's avatar
Laurent Aimar committed
730
    }
731

732
    /* Create global title (from master) */
733
    if( !b_quick )
734
    {
735 736 737 738 739 740 741 742 743 744
        p_input->i_title = p_input->input.i_title;
        p_input->title   = p_input->input.title;
        p_input->i_title_offset = p_input->input.i_title_offset;
        p_input->i_seekpoint_offset = p_input->input.i_seekpoint_offset;
        if( p_input->i_title > 0 )
        {
            /* Setup variables */
            input_ControlVarNavigation( p_input );
            input_ControlVarTitle( p_input, 0 );
        }
745

746 747 748
        /* 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;
Laurent Aimar's avatar
Laurent Aimar committed
749

750
        /* Fix pts delay */
751 752
        if( p_input->i_pts_delay < 0 )
            p_input->i_pts_delay = 0;
753

754 755 756 757
        /* If the desynchronisation requested by the user is < 0, we need to
         * cache more data. */
        var_Get( p_input, "audio-desync", &val );
        if( val.i_int < 0 ) p_input->i_pts_delay -= (val.i_int * 1000);
Gildas Bazin's avatar
 
Gildas Bazin committed
758

759 760 761
        /* 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;
762
        if( p_input->input.i_cr_average < 10 ) p_input->input.i_cr_average = 10;
763
    }
764

765
    /* Load master infos */
Laurent Aimar's avatar
Laurent Aimar committed
766
    /* Init length */
Gildas Bazin's avatar
Gildas Bazin committed
767 768
    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
769 770
    {
        var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
771
        UpdateItemLength( p_input, val.i_time, b_quick );
772
        p_input->input.p_item->i_duration = val.i_time;
Laurent Aimar's avatar
Laurent Aimar committed
773
    }
774 775

    /* Start title/chapter */
776
    if( !b_quick )
Laurent Aimar's avatar
Laurent Aimar committed
777
    {
778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794
        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 );

        /* 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 )
795
        {
796 797 798 799 800 801 802
            if( p_input->i_start >= val.i_time )
            {
                msg_Warn( p_input, "invalid start-time ignored" );
            }
            else
            {
                vlc_value_t s;
Laurent Aimar's avatar
Laurent Aimar committed
803

Clément Stenac's avatar
Clément Stenac committed
804
                msg_Dbg( p_input, "starting at time: %ds",
805
                                  (int)( p_input->i_start / I64C(1000000) ) );
Laurent Aimar's avatar
Laurent Aimar committed
806

807 808 809
                s.i_time = p_input->i_start;
                input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
            }
810
        }
811
        if( p_input->i_stop > 0 && p_input->i_stop <= p_input->i_start )
Laurent Aimar's avatar
 
Laurent Aimar committed
812
        {
813 814
            msg_Warn( p_input, "invalid stop-time ignored" );
            p_input->i_stop = 0;
Laurent Aimar's avatar
 
Laurent Aimar committed
815 816
        }

Clément Stenac's avatar
Clément Stenac committed
817

818 819 820 821 822 823
        /* 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 )
        {
            float f_requested_fps;
Clément Stenac's avatar
Clément Stenac committed
824

825 826
            var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
            var_SetFloat( p_input, "sub-original-fps", f_fps );
Clément Stenac's avatar
Clément Stenac committed
827

828 829 830 831 832 833 834 835
            f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
            if( f_requested_fps != f_fps )
            {
                var_Create( p_input, "sub-fps", VLC_VAR_FLOAT|
                                                VLC_VAR_DOINHERIT );
                var_SetFloat( p_input, "sub-fps", f_requested_fps );
            }
        }
Laurent Aimar's avatar
 
Laurent Aimar committed
836

837 838 839 840 841
        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
842 843


844 845 846
        /* Look for and add subtitle files */
        psz_subtitle = var_GetString( p_input, "sub-file" );
        if( *psz_subtitle )
Laurent Aimar's avatar
 
Laurent Aimar committed
847
        {
848 849 850 851 852
            input_source_t *sub;
            vlc_value_t count;
            vlc_value_t list;

            msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );
Laurent Aimar's avatar
 
Laurent Aimar committed
853

854 855 856 857 858 859
            var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );

            /* */
            sub = InputSourceNew( p_input );
            if( !InputSourceInit( p_input, sub, psz_subtitle, "subtitle",
                                  VLC_FALSE ) )
Laurent Aimar's avatar
 
Laurent Aimar committed
860
            {
861
                TAB_APPEND( p_input->i_slave, p_input->slave, sub );
Laurent Aimar's avatar
 
Laurent Aimar committed
862

863 864 865
                /* Select the ES */
                if( !var_Change( p_input, "spu-es", VLC_VAR_GETLIST, &list,
                                 NULL ) )
Laurent Aimar's avatar
 
Laurent Aimar committed
866
                {
867 868 869 870 871 872 873 874 875 876 877
                    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 )
                    {
                        input_ControlPush( p_input, INPUT_CONTROL_SET_ES,
                                          &list.p_list->p_values[count.i_int] );
                    }
                    var_Change( p_input, "spu-es", VLC_VAR_FREELIST, &list,
                                NULL );
Laurent Aimar's avatar
 
Laurent Aimar committed
878 879 880
                }
            }
        }
881

882 883
        var_Get( p_input, "sub-autodetect-file", &val );
        if( val.b_bool )
Laurent Aimar's avatar
 
Laurent Aimar committed
884
        {
885
            char *psz_autopath = var_GetString( p_input, "sub-autodetect-path" );
886 887 888 889
            char **subs = subtitles_Detect( p_input, psz_autopath,
                                            p_input->input.p_item->psz_uri );
            input_source_t *sub;

890
            for( i = 0; subs && subs[i]; i++ )
Laurent Aimar's avatar
 
Laurent Aimar committed
891
            {
892
                if( strcmp( psz_subtitle, subs[i] ) )
Laurent Aimar's avatar
 
Laurent Aimar committed
893
                {
894 895 896 897 898 899
                    sub = InputSourceNew( p_input );
                    if( !InputSourceInit( p_input, sub, subs[i], "subtitle",
                                          VLC_FALSE ) )
                    {
                         TAB_APPEND( p_input->i_slave, p_input->slave, sub );
                    }
Laurent Aimar's avatar
 
Laurent Aimar committed
900
                }
901
                free( subs[i] );
Laurent Aimar's avatar
 
Laurent Aimar committed
902
            }
903 904
            if( subs ) free( subs );
            if( psz_autopath ) free( psz_autopath );
Laurent Aimar's avatar
 
Laurent Aimar committed
905
        }
906
        free( psz_subtitle );
907

908 909 910
        /* Look for slave */
        psz = var_GetString( p_input, "input-slave" );
        if( *psz )
911
        {
912 913 914
            char *psz_delim;
            input_source_t *slave;
            while( psz && *psz )
915
            {
916 917 918 919 920 921 922 923 924 925 926 927
                while( *psz == ' ' || *psz == '#' )
                {
                    psz++;
                }
                if( ( psz_delim = strchr( psz, '#' ) ) )
                {
                    *psz_delim++ = '\0';
                }
                if( *psz == 0 )
                {
                    break;
                }
928

Clément Stenac's avatar
Clément Stenac committed
929
                msg_Dbg( p_input, "adding slave input '%s'", psz );
930 931 932 933 934 935
                slave = InputSourceNew( p_input );
                if( !InputSourceInit( p_input, slave, psz, NULL, VLC_FALSE ) )
                {
                    TAB_APPEND( p_input->i_slave, p_input->slave, slave );
                }
                psz = psz_delim;
936 937
            }
        }
938 939 940 941 942 943
        if( psz ) free( psz );
    }
    else
    {
        p_input->i_start = 0;
        p_input->i_start = 0;
944
    }
Laurent Aimar's avatar
Laurent Aimar committed
945 946

    /* Set up es_out */
947
    if( !b_quick )
Laurent Aimar's avatar
Laurent Aimar committed
948
    {
949 950 951 952
        es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_TRUE );
        i_es_out_mode = ES_OUT_MODE_AUTO;
        val.p_list = NULL;
        if( p_input->p_sout )
953
        {
954 955
            var_Get( p_input, "sout-all", &val );
            if ( val.b_bool )
956
            {
957 958
                i_es_out_mode = ES_OUT_MODE_ALL;
                val.p_list = NULL;
959 960
            }
            else
961 962 963 964 965 966 967 968 969 970 971
            {
                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 );
            }
972
        }