input.c 46.2 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
Gildas Bazin's avatar
 
Gildas Bazin committed
7
 * $Id: input.c,v 1.259 2003/11/22 12:41:31 gbazin 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

Gildas Bazin's avatar
 
Gildas Bazin 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 );
Gildas Bazin's avatar
 
Gildas Bazin 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;
Gildas Bazin's avatar
 
Gildas Bazin 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

Gildas Bazin's avatar
 
Gildas Bazin 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] );
    }

Gildas Bazin's avatar
 
Gildas Bazin 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 );
Gildas Bazin's avatar
 
Gildas Bazin 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
    val.f_float = 0.0;
    var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
    var_AddCallback( p_input, "position", PositionCallback, NULL );
130
    var_AddCallback( p_input, "position-offset", PositionCallback, NULL );
131 132 133

    /* time variable */
    var_Create( p_input, "time",  VLC_VAR_TIME );
134
    var_Create( p_input, "time-offset",  VLC_VAR_TIME );    /* relative */
135 136 137
    val.i_time = 0;
    var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
    var_AddCallback( p_input, "time", TimeCallback, NULL );
138
    var_AddCallback( p_input, "time-offset", TimeCallback, NULL );
139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160

    /* 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 );

161 162 163 164
    /* 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 );
Gildas Bazin's avatar
 
Gildas Bazin committed
165

166
    /* Initialize thread properties */
Sam Hocevar's avatar
 
Sam Hocevar committed
167
    p_input->b_eof      = 0;
168
    p_input->p_sys      = NULL;
Sam Hocevar's avatar
 
Sam Hocevar committed
169 170

    /* Set target */
171
    p_input->psz_source = strdup( p_item->psz_uri );
Sam Hocevar's avatar
 
Sam Hocevar committed
172

173 174 175
    /* Stream */
    p_input->s = NULL;

176 177 178
    /* es out */
    p_input->p_es_out = NULL;

Stéphane Borel's avatar
 
Stéphane Borel committed
179
    /* Demux */
180 181 182 183
    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
184 185

    /* Access */
186
    p_input->p_access = NULL;
187

Sam Hocevar's avatar
 
Sam Hocevar committed
188 189
    p_input->i_bufsize = 0;
    p_input->i_mtu = 0;
Gildas Bazin's avatar
 
Gildas Bazin committed
190
    p_input->i_pts_delay = DEFAULT_PTS_DELAY;
Sam Hocevar's avatar
 
Sam Hocevar committed
191

192 193 194 195 196 197
    /* Initialize statistics */
    p_input->c_loops                    = 0;
    p_input->stream.c_packets_read      = 0;
    p_input->stream.c_packets_trashed   = 0;

    /* Set locks. */
198
    vlc_mutex_init( p_input, &p_input->stream.stream_lock );
199
    vlc_cond_init( p_input, &p_input->stream.stream_wait );
200
    vlc_mutex_init( p_input, &p_input->stream.control.control_lock );
Michel Kaempf's avatar
Michel Kaempf committed
201

202
    /* Initialize stream description */
Stéphane Borel's avatar
 
Stéphane Borel committed
203
    p_input->stream.b_changed = 0;
204 205
    p_input->stream.i_es_number = 0;
    p_input->stream.i_selected_es_number = 0;
206
    p_input->stream.i_pgrm_number = 0;
207
    p_input->stream.i_new_status = p_input->stream.i_new_rate = 0;
208
    p_input->stream.b_new_mute = MUTE_NO_CHANGE;
Christophe Massiot's avatar
Christophe Massiot committed
209
    p_input->stream.i_mux_rate = 0;
210
    p_input->stream.b_seekable = 0;
211
    p_input->stream.p_sout = NULL;
Michel Kaempf's avatar
Michel Kaempf committed
212

Sam Hocevar's avatar
 
Sam Hocevar committed
213 214 215
    /* no stream, no program, no area, no es */
    p_input->stream.p_new_program = NULL;

Stéphane Borel's avatar
 
Stéphane Borel committed
216 217
    p_input->stream.i_area_nb = 0;
    p_input->stream.pp_areas = NULL;
218
    p_input->stream.p_selected_area = NULL;
219
    p_input->stream.p_new_area = NULL;
Sam Hocevar's avatar
 
Sam Hocevar committed
220

Sam Hocevar's avatar
 
Sam Hocevar committed
221 222 223 224
    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
225
    /* By default there is one area in a stream */
Gildas Bazin's avatar
 
Gildas Bazin committed
226
    input_AddArea( p_input, 0, 1 );
227
    p_input->stream.p_selected_area = p_input->stream.pp_areas[0];
Stéphane Borel's avatar
 
Stéphane Borel committed
228

229
    /* Initialize stream control properties. */
230
    p_input->stream.control.i_status = INIT_S;
231 232
    p_input->stream.control.i_rate = DEFAULT_RATE;
    p_input->stream.control.b_mute = 0;
233 234
    p_input->stream.control.b_grayscale = config_GetInt( p_input, "grayscale" );

235 236 237 238 239 240 241 242 243 244 245
    /* 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;

246
    msg_Info( p_input, "playlist item `%s'", p_input->psz_source );
Michel Kaempf's avatar
Michel Kaempf committed
247

248 249
    p_info = input_InfoCategory( p_input, _("General") );
    input_AddInfo( p_info, _("Playlist Item"), p_input->psz_source );
250
    vlc_object_attach( p_input, p_parent );
Sam Hocevar's avatar
 
Sam Hocevar committed
251

Sam Hocevar's avatar
Sam Hocevar committed
252
    /* Create thread and wait for its readiness. */
253 254
    if( vlc_thread_create( p_input, "input", RunThread,
                           VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
Michel Kaempf's avatar
Michel Kaempf committed
255
    {
256
        msg_Err( p_input, "cannot create input thread" );
Michel Kaempf's avatar
Michel Kaempf committed
257
        free( p_input );
258
        return NULL;
Michel Kaempf's avatar
Michel Kaempf committed
259
    }
260

261
    return p_input;
Michel Kaempf's avatar
Michel Kaempf committed
262 263
}

264
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
265
 * input_StopThread: mark an input thread as zombie
266
 *****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
267
 * This function should not return until the thread is effectively cancelled.
268
 *****************************************************************************/
Sam Hocevar's avatar
Sam Hocevar committed
269
void input_StopThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
270
{
Sam Hocevar's avatar
 
Sam Hocevar committed
271 272
    /* Make the thread exit from a possible vlc_cond_wait() */
    vlc_mutex_lock( &p_input->stream.stream_lock );
273 274
    /* Request thread destruction */
    p_input->b_die = 1;
Michel Kaempf's avatar
Michel Kaempf committed
275

276 277
    vlc_cond_signal( &p_input->stream.stream_wait );
    vlc_mutex_unlock( &p_input->stream.stream_lock );
Sam Hocevar's avatar
 
Sam Hocevar committed
278 279 280 281 282 283 284 285 286 287
}

/*****************************************************************************
 * 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 */
288
    vlc_thread_join( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
289 290 291

    /* Destroy Mutex locks */
    vlc_mutex_destroy( &p_input->stream.control.control_lock );
Sam Hocevar's avatar
 
Sam Hocevar committed
292
    vlc_cond_destroy( &p_input->stream.stream_wait );
Sam Hocevar's avatar
 
Sam Hocevar committed
293
    vlc_mutex_destroy( &p_input->stream.stream_lock );
Michel Kaempf's avatar
Michel Kaempf committed
294 295
}

296
/*****************************************************************************
297
 * RunThread: main thread loop
298
 *****************************************************************************
299
 * Thread in charge of processing the network packets and demultiplexing.
300
 *****************************************************************************/
Sam Hocevar's avatar
 
Sam Hocevar committed
301
static int RunThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
302
{
303 304 305
    vlc_value_t  val;
    mtime_t      i_update_next = -1;

Sam Hocevar's avatar
Sam Hocevar committed
306 307 308
    /* Signal right now, otherwise we'll get stuck in a peek */
    vlc_thread_ready( p_input );

Sam Hocevar's avatar
 
Sam Hocevar committed
309 310 311 312 313
    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
314
        p_input->b_dead = 1;
Sam Hocevar's avatar
 
Sam Hocevar committed
315
        return 0;
Sam Hocevar's avatar
 
Sam Hocevar committed
316
    }
Michel Kaempf's avatar
Michel Kaempf committed
317

318
    /* initialization is complete */
319
    vlc_mutex_lock( &p_input->stream.stream_lock );
320 321
    p_input->stream.b_changed        = 1;
    p_input->stream.control.i_status = PLAYING_S;
322 323
    vlc_mutex_unlock( &p_input->stream.stream_lock );

324 325 326
    val.i_int = PLAYING_S;
    var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );

Sam Hocevar's avatar
 
Sam Hocevar committed
327 328
    while( !p_input->b_die && !p_input->b_error && !p_input->b_eof )
    {
329
        unsigned int i, i_count;
330

Sam Hocevar's avatar
 
Sam Hocevar committed
331
        p_input->c_loops++;
Sam Hocevar's avatar
 
Sam Hocevar committed
332

333
        vlc_mutex_lock( &p_input->stream.stream_lock );
334

335 336 337 338 339
        if( p_input->stream.p_new_program )
        {
            if( p_input->pf_set_program != NULL )
            {

Johan Bilien's avatar
 
Johan Bilien committed
340 341
                /* Reinitialize buffer manager. */
                input_AccessReinit( p_input );
342 343

                p_input->pf_set_program( p_input,
344
                                         p_input->stream.p_new_program );
345

346 347 348 349
                /* Escape all decoders for the stream discontinuity they
                 * will encounter. */
                input_EscapeDiscontinuity( p_input );

350 351 352 353 354 355 356 357 358 359 360
                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;
        }
361

362 363
        if( p_input->stream.p_new_area )
        {
364 365
            if( p_input->stream.b_seekable && p_input->pf_set_area != NULL )
            {
366
                input_AccessReinit( p_input );
367 368 369

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

370 371 372 373
                /* Escape all decoders for the stream discontinuity they
                 * will encounter. */
                input_EscapeDiscontinuity( p_input );

374 375 376 377 378 379 380 381 382
                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;
                }
            }
383 384 385
            p_input->stream.p_new_area = NULL;
        }

386
        if( p_input->stream.p_selected_area->i_seek != NO_SEEK )
Sam Hocevar's avatar
 
Sam Hocevar committed
387
        {
388
            if( p_input->stream.p_selected_area->i_size > 0 )
389
            {
390
                unsigned int i;
391
                mtime_t      i_time;
392 393
                double f = (double)p_input->stream.p_selected_area->i_seek /
                           (double)p_input->stream.p_selected_area->i_size;
394

Christophe Massiot's avatar
Christophe Massiot committed
395
                vlc_mutex_unlock( &p_input->stream.stream_lock );
396
                demux_Control( p_input, DEMUX_SET_POSITION, f );
Christophe Massiot's avatar
Christophe Massiot committed
397
                vlc_mutex_lock( &p_input->stream.stream_lock );
398

399 400 401 402
                /* Escape all decoders for the stream discontinuity they
                 * will encounter. */
                input_EscapeDiscontinuity( p_input );

403 404
                for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
                {
405
                    pgrm_descriptor_t * p_pgrm=p_input->stream.pp_programs[i];
406 407 408 409

                    /* Reinitialize synchro. */
                    p_pgrm->i_synchro_state = SYNCHRO_REINIT;
                }
410

Laurent Aimar's avatar
Laurent Aimar committed
411
                vlc_mutex_unlock( &p_input->stream.stream_lock );
412 413 414 415 416 417 418 419 420 421 422 423 424 425 426
                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
427
                vlc_mutex_lock( &p_input->stream.stream_lock );
428
            }
429
            p_input->stream.p_selected_area->i_seek = NO_SEEK;
Sam Hocevar's avatar
 
Sam Hocevar committed
430
        }
431

432 433 434 435 436 437 438 439 440 441 442 443
        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;
        }

444 445 446 447 448 449 450 451 452 453 454 455 456 457
        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;
        }

458
        vlc_mutex_unlock( &p_input->stream.stream_lock );
Sam Hocevar's avatar
 
Sam Hocevar committed
459

Christophe Massiot's avatar
Christophe Massiot committed
460 461
        /* Read and demultiplex some data. */
        i_count = p_input->pf_demux( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
462

Gildas Bazin's avatar
 
Gildas Bazin committed
463
        if( i_count == 0 )
Sam Hocevar's avatar
 
Sam Hocevar committed
464
        {
465
            /* End of file - we do not set b_die because only the
466
             * playlist is allowed to do so. */
467
            msg_Info( p_input, "EOF reached" );
468 469 470 471 472
            p_input->b_eof = 1;
        }
        else if( i_count < 0 )
        {
            p_input->b_error = 1;
473
        }
474 475 476

        if( !p_input->b_error && !p_input->b_eof && i_update_next < mdate() )
        {
477 478 479 480
            int i;
            mtime_t i_time;
            mtime_t i_length;
            double  d_pos;
481 482

            /* update input status variables */
483
            if( !demux_Control( p_input, DEMUX_GET_POSITION, &d_pos ) )
484
            {
485
                val.f_float = (float)d_pos;
486 487
                var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
            }
488
            if( !demux_Control( p_input, DEMUX_GET_TIME, &i_time ) )
489
            {
490
                val.i_time = i_time;
491 492
                var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
            }
493
            if( !demux_Control( p_input, DEMUX_GET_LENGTH, &i_length ) )
494
            {
495
                val.i_time = i_length;
496 497 498
                var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
            }

499 500 501 502 503 504 505
            /* 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;
506
        }
507 508
    }

Sam Hocevar's avatar
 
Sam Hocevar committed
509
    if( p_input->b_error || p_input->b_eof )
510 511 512
    {
        ErrorThread( p_input );
    }
513

514
    EndThread( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
515

Sam Hocevar's avatar
 
Sam Hocevar committed
516
    return 0;
517 518
}

519
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
520
 * InitThread: init the input Thread
521
 *****************************************************************************/
Sam Hocevar's avatar
 
Sam Hocevar committed
522
static int InitThread( input_thread_t * p_input )
Michel Kaempf's avatar
Michel Kaempf committed
523
{
524
    float f_fps;
Christophe Massiot's avatar
Christophe Massiot committed
525
    /* Parse source string. Syntax : [[<access>][/<demux>]:][<source>] */
526
    char * psz_parser = p_input->psz_dupsource = strdup(p_input->psz_source);
Gildas Bazin's avatar
 
Gildas Bazin committed
527
    vlc_value_t val;
528 529
    subtitle_demux_t *p_sub;
    int64_t i_microsecondperframe;
Gildas Bazin's avatar
 
Gildas Bazin committed
530

Christophe Massiot's avatar
Christophe Massiot committed
531 532 533 534 535
    /* Skip the plug-in names */
    while( *psz_parser && *psz_parser != ':' )
    {
        psz_parser++;
    }
536
#if defined( WIN32 ) || defined( UNDER_CE )
Christophe Massiot's avatar
Christophe Massiot committed
537
    if( psz_parser - p_input->psz_dupsource == 1 )
Gildas Bazin's avatar
 
Gildas Bazin committed
538
    {
539
        msg_Warn( p_input, "drive letter %c: found in source string",
Christophe Massiot's avatar
Christophe Massiot committed
540
                           p_input->psz_dupsource[0] ) ;
Stéphane Borel's avatar
 
Stéphane Borel committed
541
        psz_parser = "";
Gildas Bazin's avatar
 
Gildas Bazin committed
542 543
    }
#endif
Sam Hocevar's avatar
 
Sam Hocevar committed
544

Christophe Massiot's avatar
Christophe Massiot committed
545
    if( !*psz_parser )
546
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
547
        p_input->psz_access = p_input->psz_demux = "";
Christophe Massiot's avatar
Christophe Massiot committed
548
        p_input->psz_name = p_input->psz_source;
Christophe Massiot's avatar
Christophe Massiot committed
549
        free( p_input->psz_dupsource );
550
        p_input->psz_dupsource = NULL;
Michel Kaempf's avatar
Michel Kaempf committed
551
    }
Christophe Massiot's avatar
Christophe Massiot committed
552 553 554
    else
    {
        *psz_parser++ = '\0';
555

Xavier Marchesini's avatar
 
Xavier Marchesini committed
556 557 558 559
        /* let's skip '//' */
        if( psz_parser[0] == '/' && psz_parser[1] == '/' )
        {
            psz_parser += 2 ;
560
        }
Xavier Marchesini's avatar
 
Xavier Marchesini committed
561 562

        p_input->psz_name = psz_parser ;
Sam Hocevar's avatar
 
Sam Hocevar committed
563

Christophe Massiot's avatar
Christophe Massiot committed
564
        /* Come back to parse the access and demux plug-ins */
Christophe Massiot's avatar
Christophe Massiot committed
565
        psz_parser = p_input->psz_dupsource;
Gildas Bazin's avatar
 
Gildas Bazin committed
566

Stéphane Borel's avatar
 
Stéphane Borel committed
567
        if( !*psz_parser )
Christophe Massiot's avatar
Christophe Massiot committed
568 569
        {
            /* No access */
Sam Hocevar's avatar
 
Sam Hocevar committed
570
            p_input->psz_access = "";
Christophe Massiot's avatar
Christophe Massiot committed
571 572 573 574
        }
        else if( *psz_parser == '/' )
        {
            /* No access */
Sam Hocevar's avatar
 
Sam Hocevar committed
575
            p_input->psz_access = "";
Christophe Massiot's avatar
Christophe Massiot committed
576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591
            psz_parser++;
        }
        else
        {
            p_input->psz_access = psz_parser;

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

            if( *psz_parser == '/' )
            {
                *psz_parser++ = '\0';
            }
        }
Gildas Bazin's avatar
 
Gildas Bazin committed
592

Christophe Massiot's avatar
Christophe Massiot committed
593 594 595
        if( !*psz_parser )
        {
            /* No demux */
Sam Hocevar's avatar
 
Sam Hocevar committed
596
            p_input->psz_demux = "";
Christophe Massiot's avatar
Christophe Massiot committed
597 598 599 600 601
        }
        else
        {
            p_input->psz_demux = psz_parser;
        }
Sam Hocevar's avatar
 
Sam Hocevar committed
602
    }
Christophe Massiot's avatar
Christophe Massiot committed
603

604 605
    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
606 607

    if( input_AccessInit( p_input ) == -1 )
608
    {
609 610 611 612 613 614 615 616 617 618 619 620 621 622 623
        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 );
624
    }
Christophe Massiot's avatar
Christophe Massiot committed
625

626 627
    p_input->p_es_out = EsOutCreate( p_input );

628
    /* Find and open appropriate access module */
629 630
    p_input->p_access = module_Need( p_input, "access",
                                     p_input->psz_access );
Christophe Massiot's avatar
Christophe Massiot committed
631

Gildas Bazin's avatar
 
Gildas Bazin committed
632 633 634 635
#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 */
636 637 638 639 640 641 642 643 644 645 646
    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 );
    }
Gildas Bazin's avatar
 
Gildas Bazin committed
647
#endif
648

649
    if( p_input->p_access == NULL )
650
    {
651
        msg_Err( p_input, "no suitable access module for `%s/%s://%s'",
652
                 p_input->psz_access, p_input->psz_demux, p_input->psz_name );
653 654 655 656 657
        if ( p_input->stream.p_sout != NULL )
        {
            sout_DeleteInstance( p_input->stream.p_sout );
        }
        return VLC_EGENERIC;
658
    }
Christophe Massiot's avatar
Christophe Massiot committed
659 660 661

    /* Waiting for stream. */
    if( p_input->i_mtu )
Christophe Massiot's avatar
Christophe Massiot committed
662
    {
Christophe Massiot's avatar
Christophe Massiot committed
663
        p_input->i_bufsize = p_input->i_mtu;
Christophe Massiot's avatar
Christophe Massiot committed
664
    }
665 666
    else
    {
Christophe Massiot's avatar
Christophe Massiot committed
667
        p_input->i_bufsize = INPUT_DEFAULT_BUFSIZE;
668
    }
669

Gildas Bazin's avatar
 
Gildas Bazin committed
670 671
    /* If the desynchronisation requested by the user is < 0, we need to
     * cache more data. */
Gildas Bazin's avatar
 
Gildas Bazin committed
672 673 674 675
    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);
Gildas Bazin's avatar
 
Gildas Bazin committed
676

Sam Hocevar's avatar
 
Sam Hocevar committed
677
    if( p_input->p_current_data == NULL && p_input->pf_read != NULL )
678
    {
Christophe Massiot's avatar
Christophe Massiot committed
679 680
        while( !input_FillBuffer( p_input ) )
        {
681
            if( p_input->b_die || p_input->b_error || p_input->b_eof )
Christophe Massiot's avatar
Christophe Massiot committed
682
            {
683
                module_Unneed( p_input, p_input->p_access );
684 685 686 687 688
                if ( p_input->stream.p_sout != NULL )
                {
                    sout_DeleteInstance( p_input->stream.p_sout );
                }
                return VLC_EGENERIC;
Christophe Massiot's avatar
Christophe Massiot committed
689 690
            }
        }
691
    }
Sam Hocevar's avatar
 
Sam Hocevar committed
692

693 694 695 696 697 698 699 700 701 702 703 704 705 706 707
    /* 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;
    }

708
    /* Find and open appropriate demux module */
Gildas Bazin's avatar
 
Gildas Bazin committed
709 710 711 712
    p_input->p_demux =
        module_Need( p_input, "demux",
                     (p_input->psz_demux && *p_input->psz_demux) ?
                     p_input->psz_demux : "$demux" );
Sam Hocevar's avatar
 
Sam Hocevar committed
713

714
    if( p_input->p_demux == NULL )
715
    {
716
        msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
717
                 p_input->psz_access, p_input->psz_demux, p_input->psz_name );
718
        stream_Release( p_input->s );
719
        module_Unneed( p_input, p_input->p_access );
720
        if ( p_input->stream.p_sout != NULL )
721
        {
722
            sout_DeleteInstance( p_input->stream.p_sout );
723
        }
724
        return VLC_EGENERIC;
725 726
    }

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

742
    /* Look for and add subtitle files */
743 744 745
    var_Get( p_input, "sub-file", &val );
    if( val.psz_string && *val.psz_string )
    {
746
        if( ( p_sub = subtitle_New( p_input, strdup(val.psz_string), i_microsecondperframe, 0 ) ) )
747
        {
748 749 750
            /* Select this ES by default */
            es_out_Control( p_input->p_es_out, ES_OUT_SET_SELECT, p_sub->p_es, VLC_TRUE );

751 752 753 754
            TAB_APPEND( p_input->p_sys->i_sub, p_input->p_sys->sub, p_sub );
        }
    }
    if( val.psz_string ) free( val.psz_string );
755

756 757
    var_Get( p_input, "sub-autodetect-file", &val );
    if( val.b_bool )
758
    {
759
        int i;
760 761
        char **tmp = subtitles_Detect( p_input, "", p_input->psz_source );
        char **tmp2 = tmp;
762
        for( i = 0; *tmp2 != NULL; i++ )
763
        {
764
            if( ( p_sub = subtitle_New( p_input, strdup(*tmp2++), i_microsecondperframe, i ) ) )
765 766 767
            {
                TAB_APPEND( p_input->p_sys->i_sub, p_input->p_sys->sub, p_sub );
            }
768
        }
769
        free(tmp);
770 771
    }

772
    return VLC_SUCCESS;
Michel Kaempf's avatar
Michel Kaempf committed
773 774
}

775
/*****************************************************************************
776
 * ErrorThread: RunThread() error loop
777
 *****************************************************************************
778
 * This function is called when an error occured during thread main's loop.
779
 *****************************************************************************/
780
static void ErrorThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
781
{
782
    while( !p_input->b_die )
Michel Kaempf's avatar
Michel Kaempf committed
783
    {
784 785
        /* Sleep a while */
        msleep( INPUT_IDLE_SLEEP );
Michel Kaempf's avatar
Michel Kaempf committed
786 787 788
    }
}

789
/*****************************************************************************
790
 * EndThread: end the input thread
791
 *****************************************************************************/
792
static void EndThread( input_thread_t * p_input )
793
{
794
    int i;
795
#ifdef HAVE_SYS_TIMES_H
796 797 798
    /* Display statistics */
    struct tms  cpu_usage;
    times( &cpu_usage );
Sam Hocevar's avatar
 
Sam Hocevar committed
799

800
    msg_Dbg( p_input, "%ld loops consuming user: %ld, system: %ld",
801
             p_input->c_loops, cpu_usage.tms_utime, cpu_usage.tms_stime );
802
#else
803
    msg_Dbg( p_input, "%ld loops", p_input->c_loops );
804
#endif
805

806 807
    input_DumpStream( p_input );

808 809 810
    /* Close optional stream output instance */
    if ( p_input->stream.p_sout != NULL )
    {
811 812
        vlc_object_t *p_pl =
            vlc_object_find( p_input, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830
        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 );
        }
831 832
    }

833 834 835 836 837 838 839 840 841 842 843 844 845
    /* 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
846
    /* Free demultiplexer's data */
847
    module_Unneed( p_input, p_input->p_demux );
Sam Hocevar's avatar
 
Sam Hocevar committed
848

Gildas Bazin's avatar
 
Gildas Bazin committed
849 850 851
    /* Free all ES and destroy all decoder threads */
    input_EndStream( p_input );

852 853 854
    /* Destroy the stream_t facilities */
    stream_Release( p_input->s );

855 856 857
    /* Destroy es out */
    EsOutRelease( p_input->p_es_out );

Christophe Massiot's avatar