input.c 38 KB
Newer Older
1 2
/*****************************************************************************
 * input.c: input thread
3
 * Read a stream, demultiplex and parse it before sending it to
Michel Kaempf's avatar
Michel Kaempf committed
4
 * decoders.
5
 *****************************************************************************
6
 * Copyright (C) 1998-2004 VideoLAN
Derk-Jan Hartman's avatar
Derk-Jan Hartman committed
7
 * $Id: input.c,v 1.281 2004/01/26 22:42:50 hartman Exp $
8
 *
9
 * Authors: Christophe Massiot <massiot@via.ecp.fr>
10 11 12 13 14
 *
 * 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.
15
 *
16 17
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 19
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
20
 *
21 22 23
 * 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.
24
 *****************************************************************************/
Michel Kaempf's avatar
Michel Kaempf committed
25

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

31
#include <vlc/vlc.h>
32
#include <vlc/input.h>
33
#include <vlc/decoder.h>
34
#include <vlc/vout.h>
35

36 37
#ifdef HAVE_SYS_TIMES_H
#   include <sys/times.h>
38
#endif
39

40
#include "vlc_playlist.h"
41

42 43
#include "stream_output.h"

44
#include "vlc_interface.h"
45
#include "codecs.h"
46
#include "../../modules/demux/util/sub.h"
47

48
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
49
 * Local prototypes
50
 *****************************************************************************/
51 52 53 54 55 56 57
struct input_thread_sys_t
{
    /* subtitles */
    int              i_sub;
    subtitle_demux_t **sub;
};

58
static  int RunThread       ( input_thread_t *p_input );
59 60 61
static  int InitThread      ( input_thread_t *p_input );
static void ErrorThread     ( input_thread_t *p_input );
static void EndThread       ( input_thread_t *p_input );
Michel Kaempf's avatar
Michel Kaempf committed
62

63 64
static void ParseOption     ( input_thread_t *p_input,
                              const char *psz_option );
65

66 67 68 69 70 71 72 73 74 75 76
/*****************************************************************************
 * Callbacks
 *****************************************************************************/
static int PositionCallback( vlc_object_t *p_this, char const *psz_cmd,
                             vlc_value_t oldval, vlc_value_t newval, void *p_data );
static int TimeCallback    ( vlc_object_t *p_this, char const *psz_cmd,
                             vlc_value_t oldval, vlc_value_t newval, void *p_data );
static int StateCallback   ( vlc_object_t *p_this, char const *psz_cmd,
                             vlc_value_t oldval, vlc_value_t newval, void *p_data );
static int RateCallback    ( vlc_object_t *p_this, char const *psz_cmd,
                             vlc_value_t oldval, vlc_value_t newval, void *p_data );
77

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
input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
85
                                      playlist_item_t *p_item )
Michel Kaempf's avatar
Michel Kaempf committed
86
{
87
    input_thread_t *    p_input;                        /* thread descriptor */
88
    vlc_value_t val;
89
    int i,j;
90

91
    /* Allocate descriptor */
92
    p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
93
    if( p_input == NULL )
Michel Kaempf's avatar
Michel Kaempf committed
94
    {
95
        msg_Err( p_parent, "out of memory" );
96
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
97
    }
98

99
    /* Parse input options */
100
    for( i = 0 ; i < p_item->i_categories ; i++ )
101
    {
Clément Stenac's avatar
Clément Stenac committed
102
        if( !strncmp( p_item->pp_categories[i]->psz_name, _("Options"), 7 ) )
103
        {
104 105
            msg_Dbg( p_input,"Parsing %i options for item",
                     p_item->pp_categories[i]->i_infos );
106 107
            for( j = 0; j< p_item->pp_categories[i]->i_infos ; j++ )
            {
108
                msg_Dbg( p_input,"Option : %s",
109 110 111 112 113 114
                         p_item->pp_categories[i]->pp_infos[j]->psz_name);
                ParseOption( p_input,
                             p_item->pp_categories[i]->pp_infos[j]->psz_value);
            }
            break;
        }
115 116
    }

117 118 119 120 121
    /* Create a few object variables we'll need later on */
    var_Create( p_input, "video", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
    var_Create( p_input, "audio", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
    var_Create( p_input, "audio-channel", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
    var_Create( p_input, "spu-channel", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
122 123
    var_Create( p_input, "sub-file", VLC_VAR_FILE | VLC_VAR_DOINHERIT );
    var_Create( p_input, "sub-autodetect-file", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
124
    var_Create( p_input, "sub-autodetect-fuzzy", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
125 126

    var_Create( p_input, "sout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
127
    var_Create( p_input, "sout-all",   VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
128 129
    var_Create( p_input, "sout-audio", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
    var_Create( p_input, "sout-video", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
130 131
    var_Create( p_input, "sout-keep",  VLC_VAR_BOOL | VLC_VAR_DOINHERIT );

132 133 134
    /* decoders */
    var_Create( p_input, "minimize-threads", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );

135 136 137
    /* play status */

    /* position variable */
138 139
    var_Create( p_input, "position",  VLC_VAR_FLOAT );  /* position 0.0->1.0 */
    var_Create( p_input, "position-offset",  VLC_VAR_FLOAT );  /* relative */
140 141 142
    val.f_float = 0.0;
    var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
    var_AddCallback( p_input, "position", PositionCallback, NULL );
143
    var_AddCallback( p_input, "position-offset", PositionCallback, NULL );
144 145 146

    /* time variable */
    var_Create( p_input, "time",  VLC_VAR_TIME );
147
    var_Create( p_input, "time-offset",  VLC_VAR_TIME );    /* relative */
148 149 150
    val.i_time = 0;
    var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
    var_AddCallback( p_input, "time", TimeCallback, NULL );
151
    var_AddCallback( p_input, "time-offset", TimeCallback, NULL );
152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173

    /* length variable */
    var_Create( p_input, "length",  VLC_VAR_TIME );
    val.i_time = 0;
    var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );

    /* rate variable */
    var_Create( p_input, "rate", VLC_VAR_INTEGER );
    var_Create( p_input, "rate-slower", VLC_VAR_VOID );
    var_Create( p_input, "rate-faster", VLC_VAR_VOID );
    val.i_int = DEFAULT_RATE;
    var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL );
    var_AddCallback( p_input, "rate", RateCallback, NULL );
    var_AddCallback( p_input, "rate-slower", RateCallback, NULL );
    var_AddCallback( p_input, "rate-faster", RateCallback, NULL );

    /* state variable */
    var_Create( p_input, "state", VLC_VAR_INTEGER );
    val.i_int = INIT_S;
    var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
    var_AddCallback( p_input, "state", StateCallback, NULL );

174 175 176 177
    /* state variable */
    var_Create( p_input, "demuxed-id3", VLC_VAR_BOOL );
    val.b_bool = VLC_FALSE;
    var_Change( p_input, "demuxed-id3", VLC_VAR_SETVALUE, &val, NULL );
178

179
    /* Initialize thread properties */
180
    p_input->b_eof      = 0;
181
    p_input->p_sys      = NULL;
182 183

    /* Set target */
184
    p_input->psz_source = strdup( p_item->psz_uri );
185

186 187 188
    /* Stream */
    p_input->s = NULL;

189 190 191
    /* es out */
    p_input->p_es_out = NULL;

192
    /* Demux */
193 194 195 196
    p_input->p_demux   = NULL;
    p_input->pf_demux  = NULL;
    p_input->pf_rewind = NULL;
    p_input->pf_demux_control = NULL;
197
    p_input->i_cr_average = config_GetInt( p_input, "cr-average" );
198 199

    /* Access */
200
    p_input->p_access = NULL;
201

202 203
    p_input->i_bufsize = 0;
    p_input->i_mtu = 0;
204
    p_input->i_pts_delay = DEFAULT_PTS_DELAY;
205

206 207 208 209 210 211
    /* Initialize statistics */
    p_input->c_loops                    = 0;
    p_input->stream.c_packets_read      = 0;
    p_input->stream.c_packets_trashed   = 0;

    /* Set locks. */
212
    vlc_mutex_init( p_input, &p_input->stream.stream_lock );
213
    vlc_cond_init( p_input, &p_input->stream.stream_wait );
214
    vlc_mutex_init( p_input, &p_input->stream.control.control_lock );
Michel Kaempf's avatar
Michel Kaempf committed
215

216
    /* Initialize stream description */
217
    p_input->stream.b_changed = 0;
218 219
    p_input->stream.i_es_number = 0;
    p_input->stream.i_selected_es_number = 0;
220
    p_input->stream.i_pgrm_number = 0;
221
    p_input->stream.i_new_status = p_input->stream.i_new_rate = 0;
222
    p_input->stream.b_new_mute = MUTE_NO_CHANGE;
Christophe Massiot's avatar
Christophe Massiot committed
223
    p_input->stream.i_mux_rate = 0;
224
    p_input->stream.b_seekable = 0;
225
    p_input->stream.p_sout = NULL;
Michel Kaempf's avatar
Michel Kaempf committed
226

227 228 229
    /* no stream, no program, no area, no es */
    p_input->stream.p_new_program = NULL;

230 231
    p_input->stream.i_area_nb = 0;
    p_input->stream.pp_areas = NULL;
232
    p_input->stream.p_selected_area = NULL;
233
    p_input->stream.p_new_area = NULL;
234

235 236 237 238
    p_input->stream.pp_selected_es = NULL;
    p_input->stream.p_removed_es = NULL;
    p_input->stream.p_newly_selected_es = NULL;

239
    /* By default there is one area in a stream */
240
    input_AddArea( p_input, 0, 1 );
241
    p_input->stream.p_selected_area = p_input->stream.pp_areas[0];
242

243
    /* Initialize stream control properties. */
244
    p_input->stream.control.i_status = INIT_S;
245 246
    p_input->stream.control.i_rate = DEFAULT_RATE;
    p_input->stream.control.b_mute = 0;
247
    p_input->stream.control.b_grayscale = config_GetInt( p_input, "grayscale");
248

249
    msg_Info( p_input, "playlist item `%s'", p_input->psz_source );
Michel Kaempf's avatar
Michel Kaempf committed
250

251 252 253 254 255
    /* Initialize input info */
    p_input->stream.p_info = NULL;
    p_input->stream.p_info = input_InfoCategory( p_input, _("General") );
    input_AddInfo( p_input->stream.p_info, _("Playlist Item"),
                   p_input->psz_source );
256
    vlc_object_attach( p_input, p_parent );
257

Sam Hocevar's avatar
Sam Hocevar committed
258
    /* Create thread and wait for its readiness. */
259 260
    if( vlc_thread_create( p_input, "input", RunThread,
                           VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
Michel Kaempf's avatar
Michel Kaempf committed
261
    {
262
        msg_Err( p_input, "cannot create input thread" );
263
        input_DelInfo( p_input );
Michel Kaempf's avatar
Michel Kaempf committed
264
        free( p_input );
265
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
266
    }
267

268
    return p_input;
Michel Kaempf's avatar
Michel Kaempf committed
269 270
}

271
/*****************************************************************************
272
 * input_StopThread: mark an input thread as zombie
273
 *****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
274
 * This function should not return until the thread is effectively cancelled.
275
 *****************************************************************************/
Sam Hocevar's avatar
Sam Hocevar committed
276
void input_StopThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
277
{
278 279
    /* Make the thread exit from a possible vlc_cond_wait() */
    vlc_mutex_lock( &p_input->stream.stream_lock );
280 281
    /* Request thread destruction */
    p_input->b_die = 1;
Michel Kaempf's avatar
Michel Kaempf committed
282

283 284
    vlc_cond_signal( &p_input->stream.stream_wait );
    vlc_mutex_unlock( &p_input->stream.stream_lock );
285 286 287 288 289 290 291 292 293 294
}

/*****************************************************************************
 * 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 */
295
    vlc_thread_join( p_input );
296 297 298

    /* Destroy Mutex locks */
    vlc_mutex_destroy( &p_input->stream.control.control_lock );
299
    vlc_cond_destroy( &p_input->stream.stream_wait );
300
    vlc_mutex_destroy( &p_input->stream.stream_lock );
Michel Kaempf's avatar
Michel Kaempf committed
301 302
}

303
/*****************************************************************************
304
 * RunThread: main thread loop
305
 *****************************************************************************
306
 * Thread in charge of processing the network packets and demultiplexing.
307
 *****************************************************************************/
308
static int RunThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
309
{
310 311 312
    vlc_value_t  val;
    mtime_t      i_update_next = -1;

Sam Hocevar's avatar
Sam Hocevar committed
313 314 315
    /* Signal right now, otherwise we'll get stuck in a peek */
    vlc_thread_ready( p_input );

316 317 318 319
    if( InitThread( p_input ) )
    {
        /* If we failed, wait before we are killed, and exit */
        p_input->b_error = 1;
320

321
        ErrorThread( p_input );
322 323 324 325

        /* Tell we're dead */
        p_input->b_dead = 1;

326 327
        input_DelInfo( p_input );

328
        return 0;
329
    }
Michel Kaempf's avatar
Michel Kaempf committed
330

331
    /* initialization is complete */
332
    vlc_mutex_lock( &p_input->stream.stream_lock );
333 334
    p_input->stream.b_changed        = 1;
    p_input->stream.control.i_status = PLAYING_S;
335 336
    vlc_mutex_unlock( &p_input->stream.stream_lock );

337 338 339
    val.i_int = PLAYING_S;
    var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );

340 341
    while( !p_input->b_die && !p_input->b_error && !p_input->b_eof )
    {
342
        unsigned int i, i_count;
343

344
        p_input->c_loops++;
345

346
        vlc_mutex_lock( &p_input->stream.stream_lock );
347

348 349 350 351 352
        if( p_input->stream.p_new_program )
        {
            if( p_input->pf_set_program != NULL )
            {

353 354
                /* Reinitialize buffer manager. */
                input_AccessReinit( p_input );
355 356

                p_input->pf_set_program( p_input,
357
                                         p_input->stream.p_new_program );
358

359 360 361 362
                /* Escape all decoders for the stream discontinuity they
                 * will encounter. */
                input_EscapeDiscontinuity( p_input );

363 364 365 366 367 368 369 370 371 372 373
                for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
                {
                    pgrm_descriptor_t * p_pgrm
                                            = p_input->stream.pp_programs[i];

                    /* Reinitialize synchro. */
                    p_pgrm->i_synchro_state = SYNCHRO_REINIT;
                }
            }
            p_input->stream.p_new_program = NULL;
        }
374

375 376
        if( p_input->stream.p_new_area )
        {
377 378
            if( p_input->stream.b_seekable && p_input->pf_set_area != NULL )
            {
379
                input_AccessReinit( p_input );
380 381 382

                p_input->pf_set_area( p_input, p_input->stream.p_new_area );

383 384 385 386
                /* Escape all decoders for the stream discontinuity they
                 * will encounter. */
                input_EscapeDiscontinuity( p_input );

387 388 389 390 391 392 393 394 395
                for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
                {
                    pgrm_descriptor_t * p_pgrm
                                            = p_input->stream.pp_programs[i];

                    /* Reinitialize synchro. */
                    p_pgrm->i_synchro_state = SYNCHRO_REINIT;
                }
            }
396 397 398
            p_input->stream.p_new_area = NULL;
        }

399
        if( p_input->stream.p_selected_area->i_seek != NO_SEEK )
400
        {
401
            if( p_input->stream.p_selected_area->i_size > 0 )
402
            {
403
                unsigned int i;
404
                mtime_t      i_time;
405 406
                double f = (double)p_input->stream.p_selected_area->i_seek /
                           (double)p_input->stream.p_selected_area->i_size;
407

Christophe Massiot's avatar
Christophe Massiot committed
408
                vlc_mutex_unlock( &p_input->stream.stream_lock );
409
                demux_Control( p_input, DEMUX_SET_POSITION, f );
Christophe Massiot's avatar
Christophe Massiot committed
410
                vlc_mutex_lock( &p_input->stream.stream_lock );
411

412 413 414 415
                /* Escape all decoders for the stream discontinuity they
                 * will encounter. */
                input_EscapeDiscontinuity( p_input );

416 417
                for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
                {
418
                    pgrm_descriptor_t * p_pgrm=p_input->stream.pp_programs[i];
419 420 421 422

                    /* Reinitialize synchro. */
                    p_pgrm->i_synchro_state = SYNCHRO_REINIT;
                }
423

Laurent Aimar's avatar
Laurent Aimar committed
424
                vlc_mutex_unlock( &p_input->stream.stream_lock );
425 426 427 428 429 430 431 432 433 434 435 436 437 438 439
                if( !demux_Control( p_input, DEMUX_GET_TIME, &i_time ) )
                {
                    int i;
                    vlc_value_t val;

                    /* Help in bar display */
                    val.i_time = i_time;
                    var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );

                    /* Seek subs */
                    for( i = 0; i < p_input->p_sys->i_sub; i++ )
                    {
                        subtitle_Seek( p_input->p_sys->sub[i], i_time );
                    }
                }
Laurent Aimar's avatar
Laurent Aimar committed
440
                vlc_mutex_lock( &p_input->stream.stream_lock );
441
            }
442
            p_input->stream.p_selected_area->i_seek = NO_SEEK;
443
        }
444

445 446 447 448 449 450 451 452 453 454 455 456
        if( p_input->stream.p_removed_es )
        {
            input_UnselectES( p_input, p_input->stream.p_removed_es );
            p_input->stream.p_removed_es = NULL;
        }

        if( p_input->stream.p_newly_selected_es )
        {
            input_SelectES( p_input, p_input->stream.p_newly_selected_es );
            p_input->stream.p_newly_selected_es = NULL;
        }

457 458 459 460 461 462 463 464 465 466 467 468 469 470
        if( p_input->stream.b_new_mute != MUTE_NO_CHANGE )
        {
            if( p_input->stream.b_new_mute )
            {
                input_EscapeAudioDiscontinuity( p_input );
            }

            vlc_mutex_lock( &p_input->stream.control.control_lock );
            p_input->stream.control.b_mute = p_input->stream.b_new_mute;
            vlc_mutex_unlock( &p_input->stream.control.control_lock );

            p_input->stream.b_new_mute = MUTE_NO_CHANGE;
        }

471
        vlc_mutex_unlock( &p_input->stream.stream_lock );
472

Christophe Massiot's avatar
Christophe Massiot committed
473 474
        /* Read and demultiplex some data. */
        i_count = p_input->pf_demux( p_input );
475

476
        if( i_count == 0 )
477
        {
478
            /* End of file - we do not set b_die because only the
479
             * playlist is allowed to do so. */
480
            msg_Info( p_input, "EOF reached" );
481 482 483 484 485
            p_input->b_eof = 1;
        }
        else if( i_count < 0 )
        {
            p_input->b_error = 1;
486
        }
487 488 489

        if( !p_input->b_error && !p_input->b_eof && i_update_next < mdate() )
        {
490 491 492 493
            int i;
            mtime_t i_time;
            mtime_t i_length;
            double  d_pos;
494 495

            /* update input status variables */
496
            if( !demux_Control( p_input, DEMUX_GET_POSITION, &d_pos ) )
497
            {
498
                val.f_float = (float)d_pos;
499 500
                var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
            }
501
            if( !demux_Control( p_input, DEMUX_GET_TIME, &i_time ) )
502
            {
503
                val.i_time = i_time;
504 505
                var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
            }
506
            if( !demux_Control( p_input, DEMUX_GET_LENGTH, &i_length ) )
507
            {
508
                val.i_time = i_length;
509 510 511
                var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
            }

512 513 514 515 516 517
            /* update subs */
            for( i = 0; i < p_input->p_sys->i_sub; i++ )
            {
                subtitle_Demux( p_input->p_sys->sub[i], i_time );
            }

518
            i_update_next = mdate() + I64C(150000);
519
        }
520 521
    }

522
    if( p_input->b_error || p_input->b_eof )
523 524 525
    {
        ErrorThread( p_input );
    }
526

527
    EndThread( p_input );
528

529
    return 0;
530 531
}

532
/*****************************************************************************
533
 * InitThread: init the input Thread
534
 *****************************************************************************/
535
static int InitThread( input_thread_t * p_input )
Michel Kaempf's avatar
Michel Kaempf committed
536
{
537
    float f_fps;
Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
538 539
    playlist_t *p_playlist;
    mtime_t i_length;
540

Christophe Massiot's avatar
Christophe Massiot committed
541
    /* Parse source string. Syntax : [[<access>][/<demux>]:][<source>] */
542
    char * psz_parser = p_input->psz_dupsource = strdup(p_input->psz_source);
543
    vlc_value_t val;
544
    int64_t i_microsecondperframe;
545

546 547
    subtitle_demux_t *p_sub_toselect = NULL;

Christophe Massiot's avatar
Christophe Massiot committed
548 549 550 551 552
    /* Skip the plug-in names */
    while( *psz_parser && *psz_parser != ':' )
    {
        psz_parser++;
    }
553
#if defined( WIN32 ) || defined( UNDER_CE )
Christophe Massiot's avatar
Christophe Massiot committed
554
    if( psz_parser - p_input->psz_dupsource == 1 )
555
    {
556
        msg_Warn( p_input, "drive letter %c: found in source string",
Christophe Massiot's avatar
Christophe Massiot committed
557
                           p_input->psz_dupsource[0] ) ;
558
        psz_parser = "";
559 560
    }
#endif
561

Christophe Massiot's avatar
Christophe Massiot committed
562
    if( !*psz_parser )
563
    {
564
        p_input->psz_access = p_input->psz_demux = "";
Christophe Massiot's avatar
Christophe Massiot committed
565
        p_input->psz_name = p_input->psz_source;
Christophe Massiot's avatar
Christophe Massiot committed
566
        free( p_input->psz_dupsource );
567
        p_input->psz_dupsource = NULL;
Michel Kaempf's avatar
Michel Kaempf committed
568
    }
Christophe Massiot's avatar
Christophe Massiot committed
569 570 571
    else
    {
        *psz_parser++ = '\0';
572

573 574 575 576
        /* let's skip '//' */
        if( psz_parser[0] == '/' && psz_parser[1] == '/' )
        {
            psz_parser += 2 ;
577
        }
578 579

        p_input->psz_name = psz_parser ;
580

Christophe Massiot's avatar
Christophe Massiot committed
581
        /* Come back to parse the access and demux plug-ins */
Christophe Massiot's avatar
Christophe Massiot committed
582
        psz_parser = p_input->psz_dupsource;
583

584
        if( !*psz_parser )
Christophe Massiot's avatar
Christophe Massiot committed
585 586
        {
            /* No access */
587
            p_input->psz_access = "";
Christophe Massiot's avatar
Christophe Massiot committed
588 589 590 591
        }
        else if( *psz_parser == '/' )
        {
            /* No access */
592
            p_input->psz_access = "";
Christophe Massiot's avatar
Christophe Massiot committed
593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608
            psz_parser++;
        }
        else
        {
            p_input->psz_access = psz_parser;

            while( *psz_parser && *psz_parser != '/' )
            {
                psz_parser++;
            }

            if( *psz_parser == '/' )
            {
                *psz_parser++ = '\0';
            }
        }
609

Christophe Massiot's avatar
Christophe Massiot committed
610 611 612
        if( !*psz_parser )
        {
            /* No demux */
613
            p_input->psz_demux = "";
Christophe Massiot's avatar
Christophe Massiot committed
614 615 616 617 618
        }
        else
        {
            p_input->psz_demux = psz_parser;
        }
Sam Hocevar's avatar
Sam Hocevar committed
619
    }
Christophe Massiot's avatar
Christophe Massiot committed
620

621 622
    msg_Dbg( p_input, "access `%s', demux `%s', name `%s'",
             p_input->psz_access, p_input->psz_demux, p_input->psz_name );
Christophe Massiot's avatar
Christophe Massiot committed
623 624

    if( input_AccessInit( p_input ) == -1 )
625
    {
626 627 628 629 630 631
        free( p_input->psz_source );
        if( p_input->psz_dupsource != NULL )
        {
            free( p_input->psz_dupsource );
        }

632 633 634 635 636 637 638 639 640 641 642 643
        return VLC_EGENERIC;
    }

    /* Initialize optional stream output. (before demuxer)*/
    var_Get( p_input, "sout", &val );
    if( val.psz_string != NULL )
    {
        if ( *val.psz_string && (p_input->stream.p_sout =
             sout_NewInstance( p_input, val.psz_string )) == NULL )
        {
            msg_Err( p_input, "cannot start stream output instance, aborting" );
            free( val.psz_string );
644 645 646 647 648 649 650

            input_AccessEnd( p_input );
            free( p_input->psz_source );
            if( p_input->psz_dupsource != NULL )
            {
                free( p_input->psz_dupsource );
            }
651 652 653
            return VLC_EGENERIC;
        }
        free( val.psz_string );
654
    }
Christophe Massiot's avatar
Christophe Massiot committed
655

656
    p_input->p_es_out = input_EsOutNew( p_input );
657 658
    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 );
659

660
    /* Find and open appropriate access module */
661 662
    p_input->p_access = module_Need( p_input, "access",
                                     p_input->psz_access );
Christophe Massiot's avatar
Christophe Massiot committed
663

664 665 666 667
#ifndef WIN32      /* Remove this gross hack from the win32 build as colons
                    * are forbidden in filenames on Win32. */

    /* Maybe we got something like: /Volumes/toto:titi/gabu.mpg */
668 669 670 671 672 673 674 675 676 677 678
    if ( p_input->p_access == NULL
          && (*p_input->psz_demux || *p_input->psz_access) )
    {
        p_input->psz_access = p_input->psz_demux = "";
        p_input->psz_name = p_input->psz_source;
        free( p_input->psz_dupsource);
        p_input->psz_dupsource = NULL;

        p_input->p_access = module_Need( p_input, "access",
                                         p_input->psz_access );
    }
679
#endif
680

681
    if( p_input->p_access == NULL )
682
    {
683
        msg_Err( p_input, "no suitable access module for `%s/%s://%s'",
684
                 p_input->psz_access, p_input->psz_demux, p_input->psz_name );
685 686 687 688
        if ( p_input->stream.p_sout != NULL )
        {
            sout_DeleteInstance( p_input->stream.p_sout );
        }
689 690 691 692 693 694 695

        input_AccessEnd( p_input );
        free( p_input->psz_source );
        if( p_input->psz_dupsource != NULL )
        {
            free( p_input->psz_dupsource );
        }
696
        return VLC_EGENERIC;
697
    }
Christophe Massiot's avatar
Christophe Massiot committed
698 699 700

    /* Waiting for stream. */
    if( p_input->i_mtu )
Christophe Massiot's avatar
Christophe Massiot committed
701
    {
Christophe Massiot's avatar
Christophe Massiot committed
702
        p_input->i_bufsize = p_input->i_mtu;
Christophe Massiot's avatar
Christophe Massiot committed
703
    }
704 705
    else
    {
Christophe Massiot's avatar
Christophe Massiot committed
706
        p_input->i_bufsize = INPUT_DEFAULT_BUFSIZE;
707
    }
708

709 710
    /* If the desynchronisation requested by the user is < 0, we need to
     * cache more data. */
711 712 713 714
    var_Create( p_input, "audio-desync", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
    var_Get( p_input, "audio-desync", &val );
    if( val.i_int < 0 )
        p_input->i_pts_delay -= (val.i_int * 1000);
715

716
    if( p_input->p_current_data == NULL && p_input->pf_read != NULL )
717
    {
Christophe Massiot's avatar
Christophe Massiot committed
718 719
        while( !input_FillBuffer( p_input ) )
        {
720
            if( p_input->b_die || p_input->b_error || p_input->b_eof )
Christophe Massiot's avatar
Christophe Massiot committed
721
            {
722
                module_Unneed( p_input, p_input->p_access );
723 724 725 726
                if ( p_input->stream.p_sout != NULL )
                {
                    sout_DeleteInstance( p_input->stream.p_sout );
                }
727 728 729 730 731 732
                input_AccessEnd( p_input );
                free( p_input->psz_source );
                if( p_input->psz_dupsource != NULL )
                {
                    free( p_input->psz_dupsource );
                }
733
                return VLC_EGENERIC;
Christophe Massiot's avatar
Christophe Massiot committed
734 735
            }
        }
736
    }
737

738
    /* Create the stream_t facilities */
739
    p_input->s = input_StreamNew( p_input );
740 741
    if( p_input->s == NULL )
    {
Clément Stenac's avatar
Clément Stenac committed
742
        /* should never occur yet */
743

Clément Stenac's avatar
Clément Stenac committed
744
        msg_Err( p_input, "cannot create stream_t" );
745

746 747 748 749 750
        module_Unneed( p_input, p_input->p_access );
        if ( p_input->stream.p_sout != NULL )
        {
            sout_DeleteInstance( p_input->stream.p_sout );
        }
751 752 753 754 755 756
        input_AccessEnd( p_input );
        free( p_input->psz_source );
        if( p_input->psz_dupsource != NULL )
        {
            free( p_input->psz_dupsource );
        }
757 758 759
        return VLC_EGENERIC;
    }

760
    /* Find and open appropriate demux module */
761 762 763 764
    p_input->p_demux =
        module_Need( p_input, "demux",
                     (p_input->psz_demux && *p_input->psz_demux) ?
                     p_input->psz_demux : "$demux" );
765

766
    if( p_input->p_demux == NULL )
767
    {
768
        msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
769
                 p_input->psz_access, p_input->psz_demux, p_input->psz_name );
770

771
        input_StreamDelete( p_input->s );
772
        module_Unneed( p_input, p_input->p_access );
773
        if ( p_input->stream.p_sout != NULL )
774
        {
775
            sout_DeleteInstance( p_input->stream.p_sout );
776
        }
777 778 779 780 781 782
        input_AccessEnd( p_input );
        free( p_input->psz_source );
        if( p_input->psz_dupsource != NULL )
        {
            free( p_input->psz_dupsource );
        }
783
        return VLC_EGENERIC;
784 785
    }

786 787 788 789 790
    /* Init input_thread_sys_t */
    p_input->p_sys = malloc( sizeof( input_thread_sys_t ) );
    p_input->p_sys->i_sub = 0;
    p_input->p_sys->sub   = NULL;

Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
791 792 793 794 795 796 797 798
    /* get length */
    if( !demux_Control( p_input, DEMUX_GET_LENGTH, &i_length ) && i_length > 0 )
    {
        p_playlist = (playlist_t*)vlc_object_find( p_input,
                                                   VLC_OBJECT_PLAYLIST,
                                                   FIND_PARENT );
        if( p_playlist )
        {
799
            playlist_SetDuration( p_playlist, -1 , i_length );
Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
800
            val.b_bool = VLC_TRUE;
801
            var_Set( p_playlist, "item-change", val );
Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
802 803
            vlc_object_release( p_playlist );
        }
804 805
    }

Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
806

807 808 809 810 811 812 813 814 815 816
    /* get fps */
    if( demux_Control( p_input, DEMUX_GET_FPS, &f_fps ) || f_fps < 0.1 )
    {
        i_microsecondperframe = 0;
    }
    else
    {
        i_microsecondperframe = (int64_t)( (double)1000000.0 / (double)f_fps );
    }

817
    /* Look for and add subtitle files */
818 819 820
    var_Get( p_input, "sub-file", &val );
    if( val.psz_string && *val.psz_string )
    {
821
        subtitle_demux_t *p_sub;
Clément Stenac's avatar
Clément Stenac committed
822
        if( ( p_sub = subtitle_New( p_input, strdup(val.psz_string),
Derk-Jan Hartman's avatar
Derk-Jan Hartman committed
823
                                    i_microsecondperframe ) ) )
824
        {
825
            p_sub_toselect = p_sub;
826 827 828 829
            TAB_APPEND( p_input->p_sys->i_sub, p_input->p_sys->sub, p_sub );
        }
    }
    if( val.psz_string ) free( val.psz_string );
830

831 832
    var_Get( p_input, "sub-autodetect-file", &val );
    if( val.b_bool )
833
    {
834
        subtitle_demux_t *p_sub;
835
        int i;
836 837
        char **tmp = subtitles_Detect( p_input, "", p_input->psz_source );
        char **tmp2 = tmp;
838
        for( i = 0; *tmp2 != NULL; i++ )
839
        {
840
            if( ( p_sub = subtitle_New( p_input, *tmp2,
Derk-Jan Hartman's avatar
Derk-Jan Hartman committed
841
                                        i_microsecondperframe ) ) )
842 843 844
            {
                TAB_APPEND( p_input->p_sys->i_sub, p_input->p_sys->sub, p_sub );
            }
845
            free( *tmp2++ );
846
        }
847
        free( tmp );
848 849
    }

850
    es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_TRUE );
851 852 853 854 855 856 857
    val.b_bool =  VLC_FALSE;
    if( p_input->stream.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 );
858 859
    if( p_sub_toselect )
    {
Clément Stenac's avatar
Clément Stenac committed
860 861
        es_out_Control( p_input->p_es_out, ES_OUT_SET_ES,
                        p_sub_toselect->p_es, VLC_TRUE );
862
    }
863

864
    return VLC_SUCCESS;
Michel Kaempf's avatar
Michel Kaempf committed
865 866
}

867
/*****************************************************************************
868
 * ErrorThread: RunThread() error loop
869
 *****************************************************************************
870
 * This function is called when an error occured during thread main's loop.
871
 *****************************************************************************/
872
static void ErrorThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
873
{
874
    while( !p_input->b_die )
Michel Kaempf's avatar
Michel Kaempf committed
875
    {
876 877
        /* Sleep a while */
        msleep( INPUT_IDLE_SLEEP );
Michel Kaempf's avatar
Michel Kaempf committed
878 879 880
    }
}

881
/*****************************************************************************
882
 * EndThread: end the input thread
883
 *****************************************************************************/
884
static void EndThread( input_thread_t * p_input )
885
{
886
    int i;
887
#ifdef HAVE_SYS_TIMES_H
888 889 890
    /* Display statistics */
    struct tms  cpu_usage;
    times( &cpu_usage );
891

892
    msg_Dbg( p_input, "%ld loops consuming user: %ld, system: %ld",
893
             p_input->c_loops, cpu_usage.tms_utime, cpu_usage.tms_stime );
894
#else
895
    msg_Dbg( p_input, "%ld loops", p_input->c_loops );
896
#endif
897

898 899
    input_DumpStream( p_input );

900
    /* Free demultiplexer's data */
901
    if( p_input->p_demux ) module_Unneed( p_input, p_input->p_demux );
902 903 904 905

    /* Free all ES and destroy all decoder threads */
    input_EndStream( p_input );

906
    /* Close optional stream output instance */
907
    if( p_input->stream.p_sout )
908
    {
909 910
        vlc_object_t *p_pl =
            vlc_object_find( p_input, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928
        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" );
            vlc_object_detach( p_input->stream.p_sout );
            vlc_object_attach( p_input->stream.p_sout, p_pl );
        }
        else
        {
            msg_Warn( p_input, "destroying sout" );
            sout_DeleteInstance( p_input->stream.p_sout );
        }
        if( p_pl )
        {
            vlc_object_release( p_pl );
        }
929 930
    }

931
    /* Destroy subtitles demuxers */
932
    if( p_input->p_sys )
933
    {
934 935 936 937 938 939 940 941
        for( i = 0; i < p_input->p_sys->i_sub; i++ )
        {
            subtitle_Close( p_input->p_sys->sub[i] );
        }