input.c 41.8 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) 1998-2002 VideoLAN
7
 * $Id: input.c,v 1.247 2003/10/11 22:40:05 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>
Sam Hocevar's avatar
 
Sam Hocevar committed
30

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

35 36
#ifdef HAVE_SYS_TIMES_H
#   include <sys/times.h>
37
#endif
38

39
#include "vlc_playlist.h"
40

41 42
#include "stream_output.h"

43
#include "vlc_interface.h"
44 45
#include "codecs.h"
#include "modules/demux/util/sub.h"
Sam Hocevar's avatar
 
Sam Hocevar committed
46

47
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
48
 * Local prototypes
49
 *****************************************************************************/
50 51 52 53 54 55 56
struct input_thread_sys_t
{
    /* subtitles */
    int              i_sub;
    subtitle_demux_t **sub;
};

Sam Hocevar's avatar
 
Sam Hocevar committed
57
static  int RunThread       ( input_thread_t *p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
58 59 60
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
61

gbazin's avatar
 
gbazin committed
62 63
static void ParseOption     ( input_thread_t *p_input,
                              const char *psz_option );
64 65 66 67

static es_out_t *EsOutCreate ( input_thread_t * );
static void      EsOutRelease( es_out_t * );

68 69 70 71 72 73 74 75 76 77 78
/*****************************************************************************
 * 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 );
gbazin's avatar
 
gbazin committed
79

80
/*****************************************************************************
81
 * input_CreateThread: creates a new input thread
82
 *****************************************************************************
83 84
 * This function creates a new input, and returns a pointer
 * to its description. On error, it returns NULL.
85
 *****************************************************************************/
86
input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
87
                                      playlist_item_t *p_item )
Michel Kaempf's avatar
Michel Kaempf committed
88
{
89
    input_thread_t *    p_input;                        /* thread descriptor */
90
    input_info_category_t * p_info;
91
    vlc_value_t val;
gbazin's avatar
 
gbazin committed
92
    int i;
93

94
    /* Allocate descriptor */
95
    p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
96
    if( p_input == NULL )
Michel Kaempf's avatar
Michel Kaempf committed
97
    {
98
        msg_Err( p_parent, "out of memory" );
99
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
100
    }
101

gbazin's avatar
 
gbazin committed
102 103 104 105 106 107
    /* Parse input options */
    for( i = 0; i < p_item->i_options; i++ )
    {
        ParseOption( p_input, p_item->ppsz_options[i] );
    }

gbazin's avatar
 
gbazin committed
108 109 110 111 112
    /* 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 );
113 114
    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 );
115
    var_Create( p_input, "sub-autodetect-fuzzy", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
gbazin's avatar
 
gbazin committed
116 117 118 119

    var_Create( p_input, "sout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
    var_Create( p_input, "sout-audio", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
    var_Create( p_input, "sout-video", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
120 121 122 123 124
    var_Create( p_input, "sout-keep",  VLC_VAR_BOOL | VLC_VAR_DOINHERIT );

    /* play status */

    /* position variable */
125 126
    var_Create( p_input, "position",  VLC_VAR_FLOAT );  /* position 0.0->1.0 */
    var_Create( p_input, "position-offset",  VLC_VAR_FLOAT );  /* relative */
127 128 129 130 131 132
    val.f_float = 0.0;
    var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
    var_AddCallback( p_input, "position", PositionCallback, NULL );

    /* time variable */
    var_Create( p_input, "time",  VLC_VAR_TIME );
133
    var_Create( p_input, "time-offset",  VLC_VAR_TIME );    /* relative */
134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158
    val.i_time = 0;
    var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
    var_AddCallback( p_input, "time", TimeCallback, NULL );

    /* 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 );

gbazin's avatar
 
gbazin committed
159

160
    /* Initialize thread properties */
Sam Hocevar's avatar
 
Sam Hocevar committed
161
    p_input->b_eof      = 0;
162
    p_input->p_sys      = NULL;
Sam Hocevar's avatar
 
Sam Hocevar committed
163 164

    /* Set target */
165
    p_input->psz_source = strdup( p_item->psz_uri );
Sam Hocevar's avatar
 
Sam Hocevar committed
166

167 168 169
    /* Stream */
    p_input->s = NULL;

170 171 172
    /* es out */
    p_input->p_es_out = NULL;

Stéphane Borel's avatar
 
Stéphane Borel committed
173
    /* Demux */
174 175 176 177
    p_input->p_demux   = NULL;
    p_input->pf_demux  = NULL;
    p_input->pf_rewind = NULL;
    p_input->pf_demux_control = NULL;
Stéphane Borel's avatar
 
Stéphane Borel committed
178 179

    /* Access */
180
    p_input->p_access = NULL;
181

Sam Hocevar's avatar
 
Sam Hocevar committed
182 183
    p_input->i_bufsize = 0;
    p_input->i_mtu = 0;
gbazin's avatar
 
gbazin committed
184
    p_input->i_pts_delay = DEFAULT_PTS_DELAY;
Sam Hocevar's avatar
 
Sam Hocevar committed
185

186 187 188 189 190 191
    /* Initialize statistics */
    p_input->c_loops                    = 0;
    p_input->stream.c_packets_read      = 0;
    p_input->stream.c_packets_trashed   = 0;

    /* Set locks. */
192
    vlc_mutex_init( p_input, &p_input->stream.stream_lock );
193
    vlc_cond_init( p_input, &p_input->stream.stream_wait );
194
    vlc_mutex_init( p_input, &p_input->stream.control.control_lock );
Michel Kaempf's avatar
Michel Kaempf committed
195

196
    /* Initialize stream description */
Stéphane Borel's avatar
 
Stéphane Borel committed
197
    p_input->stream.b_changed = 0;
198 199
    p_input->stream.i_es_number = 0;
    p_input->stream.i_selected_es_number = 0;
200
    p_input->stream.i_pgrm_number = 0;
201
    p_input->stream.i_new_status = p_input->stream.i_new_rate = 0;
202
    p_input->stream.b_new_mute = MUTE_NO_CHANGE;
Christophe Massiot's avatar
Christophe Massiot committed
203
    p_input->stream.i_mux_rate = 0;
204
    p_input->stream.b_seekable = 0;
205
    p_input->stream.p_sout = NULL;
Michel Kaempf's avatar
Michel Kaempf committed
206

Sam Hocevar's avatar
 
Sam Hocevar committed
207 208 209
    /* no stream, no program, no area, no es */
    p_input->stream.p_new_program = NULL;

Stéphane Borel's avatar
 
Stéphane Borel committed
210 211
    p_input->stream.i_area_nb = 0;
    p_input->stream.pp_areas = NULL;
212
    p_input->stream.p_selected_area = NULL;
213
    p_input->stream.p_new_area = NULL;
Sam Hocevar's avatar
 
Sam Hocevar committed
214

Sam Hocevar's avatar
 
Sam Hocevar committed
215 216 217 218
    p_input->stream.pp_selected_es = NULL;
    p_input->stream.p_removed_es = NULL;
    p_input->stream.p_newly_selected_es = NULL;

Sam Hocevar's avatar
 
Sam Hocevar committed
219
    /* By default there is one area in a stream */
gbazin's avatar
 
gbazin committed
220
    input_AddArea( p_input, 0, 1 );
221
    p_input->stream.p_selected_area = p_input->stream.pp_areas[0];
Stéphane Borel's avatar
 
Stéphane Borel committed
222

223
    /* Initialize stream control properties. */
224
    p_input->stream.control.i_status = INIT_S;
225 226
    p_input->stream.control.i_rate = DEFAULT_RATE;
    p_input->stream.control.b_mute = 0;
227 228
    p_input->stream.control.b_grayscale = config_GetInt( p_input, "grayscale" );

229 230 231 232 233 234 235 236 237 238 239
    /* Initialize input info */
    p_input->stream.p_info = malloc( sizeof( input_info_category_t ) );
    if( !p_input->stream.p_info )
    {
        msg_Err( p_input, "No memory!" );
        return NULL;
    }
    p_input->stream.p_info->psz_name = strdup("General") ;
    p_input->stream.p_info->p_info = NULL;
    p_input->stream.p_info->p_next = NULL;

240
    msg_Info( p_input, "playlist item `%s'", p_input->psz_source );
Michel Kaempf's avatar
Michel Kaempf committed
241

242 243
    p_info = input_InfoCategory( p_input, _("General") );
    input_AddInfo( p_info, _("Playlist Item"), p_input->psz_source );
244
    vlc_object_attach( p_input, p_parent );
Sam Hocevar's avatar
 
Sam Hocevar committed
245

Sam Hocevar's avatar
Sam Hocevar committed
246
    /* Create thread and wait for its readiness. */
247 248
    if( vlc_thread_create( p_input, "input", RunThread,
                           VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
Michel Kaempf's avatar
Michel Kaempf committed
249
    {
250
        msg_Err( p_input, "cannot create input thread" );
Michel Kaempf's avatar
Michel Kaempf committed
251
        free( p_input );
252
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
253
    }
254

255
    return p_input;
Michel Kaempf's avatar
Michel Kaempf committed
256 257
}

258
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
259
 * input_StopThread: mark an input thread as zombie
260
 *****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
261
 * This function should not return until the thread is effectively cancelled.
262
 *****************************************************************************/
Sam Hocevar's avatar
Sam Hocevar committed
263
void input_StopThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
264
{
Sam Hocevar's avatar
 
Sam Hocevar committed
265 266
    /* Make the thread exit from a possible vlc_cond_wait() */
    vlc_mutex_lock( &p_input->stream.stream_lock );
267 268
    /* Request thread destruction */
    p_input->b_die = 1;
Michel Kaempf's avatar
Michel Kaempf committed
269

270 271
    vlc_cond_signal( &p_input->stream.stream_wait );
    vlc_mutex_unlock( &p_input->stream.stream_lock );
Sam Hocevar's avatar
 
Sam Hocevar committed
272 273 274 275 276 277 278 279 280 281
}

/*****************************************************************************
 * 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 */
282
    vlc_thread_join( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
283 284 285

    /* Destroy Mutex locks */
    vlc_mutex_destroy( &p_input->stream.control.control_lock );
Sam Hocevar's avatar
 
Sam Hocevar committed
286
    vlc_cond_destroy( &p_input->stream.stream_wait );
Sam Hocevar's avatar
 
Sam Hocevar committed
287
    vlc_mutex_destroy( &p_input->stream.stream_lock );
Michel Kaempf's avatar
Michel Kaempf committed
288 289
}

290
/*****************************************************************************
291
 * RunThread: main thread loop
292
 *****************************************************************************
293
 * Thread in charge of processing the network packets and demultiplexing.
294
 *****************************************************************************/
Sam Hocevar's avatar
 
Sam Hocevar committed
295
static int RunThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
296
{
297 298 299
    vlc_value_t  val;
    mtime_t      i_update_next = -1;

Sam Hocevar's avatar
Sam Hocevar committed
300 301 302
    /* Signal right now, otherwise we'll get stuck in a peek */
    vlc_thread_ready( p_input );

Sam Hocevar's avatar
 
Sam Hocevar committed
303 304 305 306 307
    if( InitThread( p_input ) )
    {
        /* If we failed, wait before we are killed, and exit */
        p_input->b_error = 1;
        ErrorThread( p_input );
Sam Hocevar's avatar
Sam Hocevar committed
308
        p_input->b_dead = 1;
Sam Hocevar's avatar
 
Sam Hocevar committed
309
        return 0;
Sam Hocevar's avatar
 
Sam Hocevar committed
310
    }
Michel Kaempf's avatar
Michel Kaempf committed
311

312
    /* initialization is complete */
313
    vlc_mutex_lock( &p_input->stream.stream_lock );
314 315
    p_input->stream.b_changed        = 1;
    p_input->stream.control.i_status = PLAYING_S;
316 317
    vlc_mutex_unlock( &p_input->stream.stream_lock );

318 319 320
    val.i_int = PLAYING_S;
    var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );

Sam Hocevar's avatar
 
Sam Hocevar committed
321 322
    while( !p_input->b_die && !p_input->b_error && !p_input->b_eof )
    {
323
        unsigned int i, i_count;
324

Sam Hocevar's avatar
 
Sam Hocevar committed
325
        p_input->c_loops++;
Sam Hocevar's avatar
 
Sam Hocevar committed
326

327
        vlc_mutex_lock( &p_input->stream.stream_lock );
328

329 330 331 332 333
        if( p_input->stream.p_new_program )
        {
            if( p_input->pf_set_program != NULL )
            {

Johan Bilien's avatar
 
Johan Bilien committed
334 335
                /* Reinitialize buffer manager. */
                input_AccessReinit( p_input );
336 337

                p_input->pf_set_program( p_input,
338
                                         p_input->stream.p_new_program );
339

340 341 342 343
                /* Escape all decoders for the stream discontinuity they
                 * will encounter. */
                input_EscapeDiscontinuity( p_input );

344 345 346 347 348 349 350 351 352 353 354
                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;
        }
355

356 357
        if( p_input->stream.p_new_area )
        {
358 359
            if( p_input->stream.b_seekable && p_input->pf_set_area != NULL )
            {
360
                input_AccessReinit( p_input );
361 362 363

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

364 365 366 367
                /* Escape all decoders for the stream discontinuity they
                 * will encounter. */
                input_EscapeDiscontinuity( p_input );

368 369 370 371 372 373 374 375 376
                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;
                }
            }
377 378 379
            p_input->stream.p_new_area = NULL;
        }

380
        if( p_input->stream.p_selected_area->i_seek != NO_SEEK )
Sam Hocevar's avatar
 
Sam Hocevar committed
381
        {
382
            if( p_input->stream.p_selected_area->i_size > 0 )
383
            {
384
                unsigned int i;
385
                mtime_t      i_time;
386 387
                double f = (double)p_input->stream.p_selected_area->i_seek /
                           (double)p_input->stream.p_selected_area->i_size;
388

Christophe Massiot's avatar
Christophe Massiot committed
389
                vlc_mutex_unlock( &p_input->stream.stream_lock );
390
                demux_Control( p_input, DEMUX_SET_POSITION, f );
Christophe Massiot's avatar
Christophe Massiot committed
391
                vlc_mutex_lock( &p_input->stream.stream_lock );
392

393 394 395 396
                /* Escape all decoders for the stream discontinuity they
                 * will encounter. */
                input_EscapeDiscontinuity( p_input );

397 398
                for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
                {
399
                    pgrm_descriptor_t * p_pgrm=p_input->stream.pp_programs[i];
400 401 402 403

                    /* Reinitialize synchro. */
                    p_pgrm->i_synchro_state = SYNCHRO_REINIT;
                }
404

Laurent Aimar's avatar
Laurent Aimar committed
405
                vlc_mutex_unlock( &p_input->stream.stream_lock );
406 407 408 409 410 411 412 413 414 415 416 417 418 419 420
                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
421
                vlc_mutex_lock( &p_input->stream.stream_lock );
422
            }
423
            p_input->stream.p_selected_area->i_seek = NO_SEEK;
Sam Hocevar's avatar
 
Sam Hocevar committed
424
        }
425

426 427 428 429 430 431 432 433 434 435 436 437
        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;
        }

438 439 440 441 442 443 444 445 446 447 448 449 450 451
        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;
        }

452
        vlc_mutex_unlock( &p_input->stream.stream_lock );
Sam Hocevar's avatar
 
Sam Hocevar committed
453

Christophe Massiot's avatar
Christophe Massiot committed
454 455
        /* Read and demultiplex some data. */
        i_count = p_input->pf_demux( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
456

gbazin's avatar
 
gbazin committed
457
        if( i_count == 0 )
Sam Hocevar's avatar
 
Sam Hocevar committed
458
        {
459
            /* End of file - we do not set b_die because only the
460
             * playlist is allowed to do so. */
461
            msg_Info( p_input, "EOF reached" );
462 463 464 465 466
            p_input->b_eof = 1;
        }
        else if( i_count < 0 )
        {
            p_input->b_error = 1;
467
        }
468 469 470

        if( !p_input->b_error && !p_input->b_eof && i_update_next < mdate() )
        {
471 472 473 474
            int i;
            mtime_t i_time;
            mtime_t i_length;
            double  d_pos;
475 476

            /* update input status variables */
477
            if( !demux_Control( p_input, DEMUX_GET_POSITION, &d_pos ) )
478
            {
479
                val.f_float = (float)d_pos;
480 481
                var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
            }
482
            if( !demux_Control( p_input, DEMUX_GET_TIME, &i_time ) )
483
            {
484
                val.i_time = i_time;
485 486
                var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
            }
487
            if( !demux_Control( p_input, DEMUX_GET_LENGTH, &i_length ) )
488
            {
489
                val.i_time = i_length;
490 491 492
                var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
            }

493 494 495 496 497 498 499
            /* update subs */
            for( i = 0; i < p_input->p_sys->i_sub; i++ )
            {
                subtitle_Demux( p_input->p_sys->sub[i], i_time );
            }

            i_update_next = mdate() + 150000LL;
500
        }
501 502
    }

Sam Hocevar's avatar
 
Sam Hocevar committed
503
    if( p_input->b_error || p_input->b_eof )
504 505 506
    {
        ErrorThread( p_input );
    }
507

508
    EndThread( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
509

Sam Hocevar's avatar
 
Sam Hocevar committed
510
    return 0;
511 512
}

513
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
514
 * InitThread: init the input Thread
515
 *****************************************************************************/
Sam Hocevar's avatar
 
Sam Hocevar committed
516
static int InitThread( input_thread_t * p_input )
Michel Kaempf's avatar
Michel Kaempf committed
517
{
518
    float f_fps;
Christophe Massiot's avatar
Christophe Massiot committed
519
    /* Parse source string. Syntax : [[<access>][/<demux>]:][<source>] */
520
    char * psz_parser = p_input->psz_dupsource = strdup(p_input->psz_source);
gbazin's avatar
 
gbazin committed
521
    vlc_value_t val;
522 523
    subtitle_demux_t *p_sub;
    int64_t i_microsecondperframe;
gbazin's avatar
 
gbazin committed
524

Christophe Massiot's avatar
Christophe Massiot committed
525 526 527 528 529
    /* Skip the plug-in names */
    while( *psz_parser && *psz_parser != ':' )
    {
        psz_parser++;
    }
530
#if defined( WIN32 ) || defined( UNDER_CE )
Christophe Massiot's avatar
Christophe Massiot committed
531
    if( psz_parser - p_input->psz_dupsource == 1 )
gbazin's avatar
 
gbazin committed
532
    {
533
        msg_Warn( p_input, "drive letter %c: found in source string",
Christophe Massiot's avatar
Christophe Massiot committed
534
                           p_input->psz_dupsource[0] ) ;
Stéphane Borel's avatar
 
Stéphane Borel committed
535
        psz_parser = "";
gbazin's avatar
 
gbazin committed
536 537
    }
#endif
Sam Hocevar's avatar
 
Sam Hocevar committed
538

Christophe Massiot's avatar
Christophe Massiot committed
539
    if( !*psz_parser )
540
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
541
        p_input->psz_access = p_input->psz_demux = "";
Christophe Massiot's avatar
Christophe Massiot committed
542
        p_input->psz_name = p_input->psz_source;
Christophe Massiot's avatar
Christophe Massiot committed
543
        free( p_input->psz_dupsource );
544
        p_input->psz_dupsource = NULL;
Michel Kaempf's avatar
Michel Kaempf committed
545
    }
Christophe Massiot's avatar
Christophe Massiot committed
546 547 548
    else
    {
        *psz_parser++ = '\0';
549

Xavier Marchesini's avatar
 
Xavier Marchesini committed
550 551 552 553
        /* let's skip '//' */
        if( psz_parser[0] == '/' && psz_parser[1] == '/' )
        {
            psz_parser += 2 ;
554
        }
Xavier Marchesini's avatar
 
Xavier Marchesini committed
555 556

        p_input->psz_name = psz_parser ;
Sam Hocevar's avatar
 
Sam Hocevar committed
557

Christophe Massiot's avatar
Christophe Massiot committed
558
        /* Come back to parse the access and demux plug-ins */
Christophe Massiot's avatar
Christophe Massiot committed
559
        psz_parser = p_input->psz_dupsource;
gbazin's avatar
 
gbazin committed
560

Stéphane Borel's avatar
 
Stéphane Borel committed
561
        if( !*psz_parser )
Christophe Massiot's avatar
Christophe Massiot committed
562 563
        {
            /* No access */
Sam Hocevar's avatar
 
Sam Hocevar committed
564
            p_input->psz_access = "";
Christophe Massiot's avatar
Christophe Massiot committed
565 566 567 568
        }
        else if( *psz_parser == '/' )
        {
            /* No access */
Sam Hocevar's avatar
 
Sam Hocevar committed
569
            p_input->psz_access = "";
Christophe Massiot's avatar
Christophe Massiot committed
570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585
            psz_parser++;
        }
        else
        {
            p_input->psz_access = psz_parser;

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

            if( *psz_parser == '/' )
            {
                *psz_parser++ = '\0';
            }
        }
gbazin's avatar
 
gbazin committed
586

Christophe Massiot's avatar
Christophe Massiot committed
587 588 589
        if( !*psz_parser )
        {
            /* No demux */
Sam Hocevar's avatar
 
Sam Hocevar committed
590
            p_input->psz_demux = "";
Christophe Massiot's avatar
Christophe Massiot committed
591 592 593 594 595
        }
        else
        {
            p_input->psz_demux = psz_parser;
        }
Sam Hocevar's avatar
 
Sam Hocevar committed
596
    }
Christophe Massiot's avatar
Christophe Massiot committed
597

598 599
    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
600 601

    if( input_AccessInit( p_input ) == -1 )
602
    {
603 604 605 606 607 608 609 610 611 612 613 614 615 616 617
        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 );
            return VLC_EGENERIC;
        }
        free( val.psz_string );
618
    }
Christophe Massiot's avatar
Christophe Massiot committed
619

620 621
    p_input->p_es_out = EsOutCreate( p_input );

622
    /* Find and open appropriate access module */
623 624
    p_input->p_access = module_Need( p_input, "access",
                                     p_input->psz_access );
Christophe Massiot's avatar
Christophe Massiot committed
625

626 627 628 629 630 631 632 633 634 635 636 637 638 639
    if ( p_input->p_access == NULL
          && (*p_input->psz_demux || *p_input->psz_access) )
    {
        /* Maybe we got something like :
         * /Volumes/toto:titi/gabu.mpg */
        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 );
    }

640
    if( p_input->p_access == NULL )
641
    {
642
        msg_Err( p_input, "no suitable access module for `%s/%s://%s'",
643
                 p_input->psz_access, p_input->psz_demux, p_input->psz_name );
644 645 646 647 648
        if ( p_input->stream.p_sout != NULL )
        {
            sout_DeleteInstance( p_input->stream.p_sout );
        }
        return VLC_EGENERIC;
649
    }
Christophe Massiot's avatar
Christophe Massiot committed
650 651 652

    /* Waiting for stream. */
    if( p_input->i_mtu )
Christophe Massiot's avatar
Christophe Massiot committed
653
    {
Christophe Massiot's avatar
Christophe Massiot committed
654
        p_input->i_bufsize = p_input->i_mtu;
Christophe Massiot's avatar
Christophe Massiot committed
655
    }
656 657
    else
    {
Christophe Massiot's avatar
Christophe Massiot committed
658
        p_input->i_bufsize = INPUT_DEFAULT_BUFSIZE;
659
    }
660

gbazin's avatar
 
gbazin committed
661 662 663 664 665
    /* If the desynchronisation requested by the user is < 0, we need to
     * cache more data. */
    if( p_input->p_vlc->i_desync < 0 )
        p_input->i_pts_delay -= p_input->p_vlc->i_desync;

Sam Hocevar's avatar
 
Sam Hocevar committed
666
    if( p_input->p_current_data == NULL && p_input->pf_read != NULL )
667
    {
Christophe Massiot's avatar
Christophe Massiot committed
668 669
        while( !input_FillBuffer( p_input ) )
        {
670
            if( p_input->b_die || p_input->b_error || p_input->b_eof )
Christophe Massiot's avatar
Christophe Massiot committed
671
            {
672
                module_Unneed( p_input, p_input->p_access );
673 674 675 676 677
                if ( p_input->stream.p_sout != NULL )
                {
                    sout_DeleteInstance( p_input->stream.p_sout );
                }
                return VLC_EGENERIC;
Christophe Massiot's avatar
Christophe Massiot committed
678 679
            }
        }
680
    }
Sam Hocevar's avatar
 
Sam Hocevar committed
681

682 683 684 685 686 687 688 689 690 691 692 693 694 695 696
    /* Create the stream_t facilities */
    p_input->s = stream_OpenInput( p_input );
    if( p_input->s == NULL )
    {
        /* should nver occur yet */

        msg_Err( p_input, "cannot create stream_t !" );
        module_Unneed( p_input, p_input->p_access );
        if ( p_input->stream.p_sout != NULL )
        {
            sout_DeleteInstance( p_input->stream.p_sout );
        }
        return VLC_EGENERIC;
    }

697
    /* Find and open appropriate demux module */
698 699
    p_input->p_demux = module_Need( p_input, "demux",
                                    p_input->psz_demux );
Sam Hocevar's avatar
 
Sam Hocevar committed
700

701
    if( p_input->p_demux == NULL )
702
    {
703
        msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
704
                 p_input->psz_access, p_input->psz_demux, p_input->psz_name );
705
        stream_Release( p_input->s );
706
        module_Unneed( p_input, p_input->p_access );
707
        if ( p_input->stream.p_sout != NULL )
708
        {
709
            sout_DeleteInstance( p_input->stream.p_sout );
710
        }
711
        return VLC_EGENERIC;
712 713
    }

714 715 716 717 718 719 720 721 722 723 724 725 726 727 728
    /* 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;

    /* 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 );
    }

729
    /* Look for and add subtitle files */
730 731 732
    var_Get( p_input, "sub-file", &val );
    if( val.psz_string && *val.psz_string )
    {
733
        if( ( p_sub = subtitle_New( p_input, strdup(val.psz_string), i_microsecondperframe, 0 ) ) )
734 735 736 737 738 739 740
        {
            TAB_APPEND( p_input->p_sys->i_sub, p_input->p_sys->sub, p_sub );
            subtitle_Select( p_sub );
        }
    }
    if( val.psz_string ) free( val.psz_string );
    
741 742
    var_Get( p_input, "sub-autodetect-file", &val );
    if( val.b_bool )
743
    {
744
        int i;
745 746
        char **tmp = subtitles_Detect( p_input, "", p_input->psz_source );
        char **tmp2 = tmp;
747
        for( i = 0; *tmp2 != NULL; i++ )
748
        {
749
            if( ( p_sub = subtitle_New( p_input, strdup(*tmp2++), i_microsecondperframe, i ) ) )
750 751 752
            {
                TAB_APPEND( p_input->p_sys->i_sub, p_input->p_sys->sub, p_sub );
            }
753
        }
754
        free(tmp);
755 756
    }

757
    return VLC_SUCCESS;
Michel Kaempf's avatar
Michel Kaempf committed
758 759
}

760
/*****************************************************************************
761
 * ErrorThread: RunThread() error loop
762
 *****************************************************************************
763
 * This function is called when an error occured during thread main's loop.
764
 *****************************************************************************/
765
static void ErrorThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
766
{
767
    while( !p_input->b_die )
Michel Kaempf's avatar
Michel Kaempf committed
768
    {
769 770
        /* Sleep a while */
        msleep( INPUT_IDLE_SLEEP );
Michel Kaempf's avatar
Michel Kaempf committed
771 772 773
    }
}

774
/*****************************************************************************
775
 * EndThread: end the input thread
776
 *****************************************************************************/
777
static void EndThread( input_thread_t * p_input )
778
{
779
    int i;
780
#ifdef HAVE_SYS_TIMES_H
781 782 783
    /* Display statistics */
    struct tms  cpu_usage;
    times( &cpu_usage );
Sam Hocevar's avatar
 
Sam Hocevar committed
784

785
    msg_Dbg( p_input, "%ld loops consuming user: %ld, system: %ld",
786
             p_input->c_loops, cpu_usage.tms_utime, cpu_usage.tms_stime );
787
#else
788
    msg_Dbg( p_input, "%ld loops", p_input->c_loops );
789
#endif
790

791 792
    input_DumpStream( p_input );

Sam Hocevar's avatar
 
Sam Hocevar committed
793 794 795
    /* Free all ES and destroy all decoder threads */
    input_EndStream( p_input );

796 797 798
    /* Close optional stream output instance */
    if ( p_input->stream.p_sout != NULL )
    {
799 800
        vlc_object_t *p_pl =
            vlc_object_find( p_input, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818
        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 );
        }
819 820
    }

821 822 823 824 825 826 827 828 829 830 831 832 833
    /* Destroy subtitles demuxers */
    for( i = 0; i < p_input->p_sys->i_sub; i++ )
    {
        subtitle_Close( p_input->p_sys->sub[i] );
    }
    if( p_input->p_sys->i_sub > 0 )
    {
        free( p_input->p_sys->sub );
    }

    /* Free input_thread_sys_t */
    free( p_input->p_sys );

Sam Hocevar's avatar
 
Sam Hocevar committed
834
    /* Free demultiplexer's data */
835
    module_Unneed( p_input, p_input->p_demux );
Sam Hocevar's avatar
 
Sam Hocevar committed
836