input.c 38.3 KB
Newer Older
1 2
/*****************************************************************************
 * input.c: input thread
Michel Kaempf's avatar
Michel Kaempf committed
3 4
 * Read an MPEG2 stream, demultiplex and parse it before sending it to
 * decoders.
5 6
 *****************************************************************************
 * Copyright (C) 1998, 1999, 2000 VideoLAN
7
 * $Id: input.c,v 1.157 2001/11/21 16:47:46 massiot 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 30
#include "defs.h"

31 32 33 34
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
Sam Hocevar's avatar
 
Sam Hocevar committed
35 36

#ifdef HAVE_UNISTD_H
Sam Hocevar's avatar
 
Sam Hocevar committed
37
#   include <unistd.h>
Sam Hocevar's avatar
 
Sam Hocevar committed
38
#elif defined( _MSC_VER ) && defined( _WIN32 )
Sam Hocevar's avatar
 
Sam Hocevar committed
39
#   include <io.h>
Sam Hocevar's avatar
 
Sam Hocevar committed
40 41
#endif

42
#include <string.h>
Sam Hocevar's avatar
 
Sam Hocevar committed
43 44
#include <errno.h>

Sam Hocevar's avatar
 
Sam Hocevar committed
45 46 47
#ifdef STRNCASECMP_IN_STRINGS_H
#   include <strings.h>
#endif
48 49

#ifdef WIN32
Sam Hocevar's avatar
 
Sam Hocevar committed
50 51 52 53 54
#   include <winsock2.h>
#elif !defined( SYS_BEOS ) && !defined( SYS_NTO )
#   include <netdb.h>                                         /* hostent ... */
#   include <sys/socket.h>
#   include <netinet/in.h>
Sam Hocevar's avatar
 
Sam Hocevar committed
55 56 57
#   ifdef HAVE_ARPA_INET_H
#       include <arpa/inet.h>                    /* inet_ntoa(), inet_aton() */
#   endif
Sam Hocevar's avatar
 
Sam Hocevar committed
58
#endif
Henri Fallon's avatar
 
Henri Fallon committed
59

60 61
#ifdef HAVE_SYS_TIMES_H
#   include <sys/times.h>
62
#endif
63

Michel Kaempf's avatar
Michel Kaempf committed
64
#include "config.h"
65 66
#include "common.h"
#include "threads.h"
Michel Kaempf's avatar
Michel Kaempf committed
67
#include "mtime.h"
Sam Hocevar's avatar
 
Sam Hocevar committed
68
#include "tests.h"
Sam Hocevar's avatar
 
Sam Hocevar committed
69
#include "netutils.h"
Sam Hocevar's avatar
 
Sam Hocevar committed
70
#include "modules.h"
71

72
#include "intf_msg.h"
Sam Hocevar's avatar
 
Sam Hocevar committed
73
#include "intf_playlist.h"
74

75 76 77
#include "stream_control.h"
#include "input_ext-intf.h"
#include "input_ext-dec.h"
78
#include "input_ext-plugins.h"
Michel Lespinasse's avatar
Yop,  
Michel Lespinasse committed
79

Sam Hocevar's avatar
 
Sam Hocevar committed
80 81 82
#include "interface.h"

#include "main.h"
Michel Kaempf's avatar
Michel Kaempf committed
83

84
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
85
 * Local prototypes
86
 *****************************************************************************/
Sam Hocevar's avatar
 
Sam Hocevar committed
87 88 89
static void RunThread       ( input_thread_t *p_input );
static  int InitThread      ( input_thread_t *p_input );
static void ErrorThread     ( input_thread_t *p_input );
90
static void CloseThread     ( input_thread_t *p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
91 92
static void DestroyThread   ( input_thread_t *p_input );
static void EndThread       ( input_thread_t *p_input );
Michel Kaempf's avatar
Michel Kaempf committed
93

Sam Hocevar's avatar
 
Sam Hocevar committed
94
static void FileOpen        ( input_thread_t *p_input );
Christophe Massiot's avatar
Christophe Massiot committed
95
static void StdOpen         ( input_thread_t *p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
96
static void FileClose       ( input_thread_t *p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
97
#if !defined( SYS_BEOS ) && !defined( SYS_NTO )
Sam Hocevar's avatar
 
Sam Hocevar committed
98
static void NetworkOpen     ( input_thread_t *p_input );
99
static void HTTPOpen        ( input_thread_t *p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
100
static void NetworkClose    ( input_thread_t *p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
101
#endif
Sam Hocevar's avatar
 
Sam Hocevar committed
102

103
/*****************************************************************************
104
 * input_CreateThread: creates a new input thread
105
 *****************************************************************************
106 107 108 109
 * This function creates a new input, and returns a pointer
 * to its description. On error, it returns NULL.
 * If pi_status is NULL, then the function will block until the thread is ready.
 * If not, it will be updated using one of the THREAD_* constants.
110
 *****************************************************************************/
Sam Hocevar's avatar
 
Sam Hocevar committed
111
input_thread_t *input_CreateThread ( playlist_item_t *p_item, int *pi_status )
Michel Kaempf's avatar
Michel Kaempf committed
112
{
113 114 115
    input_thread_t *    p_input;                        /* thread descriptor */
    int                 i_status;                           /* thread status */

116 117 118
    /* Allocate descriptor */
    p_input = (input_thread_t *)malloc( sizeof(input_thread_t) );
    if( p_input == NULL )
Michel Kaempf's avatar
Michel Kaempf committed
119
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
120 121
        intf_ErrMsg( "input error: can't allocate input thread (%s)",
                     strerror(errno) );
Michel Kaempf's avatar
Michel Kaempf committed
122 123
        return( NULL );
    }
124

125 126 127
    /* Packets read once */
    p_input->i_read_once = INPUT_READ_ONCE;

128 129 130
    /* Initialize thread properties */
    p_input->b_die              = 0;
    p_input->b_error            = 0;
Sam Hocevar's avatar
 
Sam Hocevar committed
131 132 133 134 135
    p_input->b_eof              = 0;

    /* Set target */
    p_input->p_source           = p_item->psz_name;

136
    /* I have never understood that stuff --Meuuh */
137 138
    p_input->pi_status          = (pi_status != NULL) ? pi_status : &i_status;
    *p_input->pi_status         = THREAD_CREATE;
Michel Kaempf's avatar
Michel Kaempf committed
139

140
    /* Initialize stream description */
141 142
    p_input->stream.i_es_number = 0;
    p_input->stream.i_selected_es_number = 0;
143
    p_input->stream.i_pgrm_number = 0;
144
    p_input->stream.i_new_status = p_input->stream.i_new_rate = 0;
145
    p_input->stream.b_new_mute = MUTE_NO_CHANGE;
Christophe Massiot's avatar
Christophe Massiot committed
146
    p_input->stream.i_mux_rate = 0;
Michel Kaempf's avatar
Michel Kaempf committed
147

148
    /* no stream, no area */
Stéphane Borel's avatar
 
Stéphane Borel committed
149 150
    p_input->stream.i_area_nb = 0;
    p_input->stream.pp_areas = NULL;
151
    p_input->stream.p_selected_area = NULL;
152
    p_input->stream.p_new_area = NULL;
Sam Hocevar's avatar
 
Sam Hocevar committed
153 154

    /* By default there is one area in a stream */
Stéphane Borel's avatar
 
Stéphane Borel committed
155
    input_AddArea( p_input );
156
    p_input->stream.p_selected_area = p_input->stream.pp_areas[0];
Stéphane Borel's avatar
 
Stéphane Borel committed
157

158 159 160 161
    /* Initialize stream control properties. */
    p_input->stream.control.i_status = PLAYING_S;
    p_input->stream.control.i_rate = DEFAULT_RATE;
    p_input->stream.control.b_mute = 0;
162 163 164 165
    p_input->stream.control.b_grayscale = main_GetIntVariable(
                            VOUT_GRAYSCALE_VAR, VOUT_GRAYSCALE_DEFAULT );
    p_input->stream.control.i_smp = main_GetIntVariable(
                            VDEC_SMP_VAR, VDEC_SMP_DEFAULT );
Michel Kaempf's avatar
Michel Kaempf committed
166

Sam Hocevar's avatar
 
Sam Hocevar committed
167 168
    intf_WarnMsg( 1, "input: playlist item `%s'", p_input->p_source );

Sam Hocevar's avatar
 
Sam Hocevar committed
169
    /* Create thread. */
170 171
    if( vlc_thread_create( &p_input->thread_id, "input", (void *) RunThread,
                           (void *) p_input ) )
Michel Kaempf's avatar
Michel Kaempf committed
172
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
173 174
        intf_ErrMsg( "input error: can't create input thread (%s)",
                     strerror(errno) );
Michel Kaempf's avatar
Michel Kaempf committed
175 176 177
        free( p_input );
        return( NULL );
    }
178

179 180 181 182
    /* If status is NULL, wait until the thread is created */
    if( pi_status == NULL )
    {
        do
183
        {
184
            msleep( THREAD_SLEEP );
185
        } while( (i_status != THREAD_READY) && (i_status != THREAD_ERROR)
Sam Hocevar's avatar
 
Sam Hocevar committed
186
                && (i_status != THREAD_FATAL) );
187 188
        if( i_status != THREAD_READY )
        {
189 190
            return( NULL );
        }
191
    }
Michel Kaempf's avatar
Michel Kaempf committed
192 193 194
    return( p_input );
}

195
/*****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
196
 * input_DestroyThread: mark an input thread as zombie
197
 *****************************************************************************
Michel Kaempf's avatar
Michel Kaempf committed
198
 * This function should not return until the thread is effectively cancelled.
199
 *****************************************************************************/
200
void input_DestroyThread( input_thread_t *p_input, int *pi_status )
Michel Kaempf's avatar
Michel Kaempf committed
201
{
202
    int         i_status;                                   /* thread status */
203 204 205

    /* Set status */
    p_input->pi_status = (pi_status != NULL) ? pi_status : &i_status;
206 207
    *p_input->pi_status = THREAD_DESTROY;

208 209
    /* Request thread destruction */
    p_input->b_die = 1;
Michel Kaempf's avatar
Michel Kaempf committed
210

211 212 213 214 215
    /* Make the thread exit of an eventual vlc_cond_wait() */
    vlc_mutex_lock( &p_input->stream.stream_lock );
    vlc_cond_signal( &p_input->stream.stream_wait );
    vlc_mutex_unlock( &p_input->stream.stream_lock );

216 217 218 219 220 221
    /* If status is NULL, wait until thread has been destroyed */
    if( pi_status == NULL )
    {
        do
        {
            msleep( THREAD_SLEEP );
222 223
        } while ( (i_status != THREAD_OVER) && (i_status != THREAD_ERROR)
                  && (i_status != THREAD_FATAL) );
224
    }
Michel Kaempf's avatar
Michel Kaempf committed
225 226
}

227
/*****************************************************************************
228
 * RunThread: main thread loop
229
 *****************************************************************************
230
 * Thread in charge of processing the network packets and demultiplexing.
231
 *****************************************************************************/
232
static void RunThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
233
{
234
    int                     i_error, i;
Sam Hocevar's avatar
 
Sam Hocevar committed
235
    data_packet_t **        pp_packets;
Michel Kaempf's avatar
Michel Kaempf committed
236

Sam Hocevar's avatar
 
Sam Hocevar committed
237 238 239 240 241 242 243 244 245
    if( InitThread( p_input ) )
    {
        /* If we failed, wait before we are killed, and exit */
        *p_input->pi_status = THREAD_ERROR;
        p_input->b_error = 1;
        ErrorThread( p_input );
        DestroyThread( p_input );
        return;
    }
Michel Kaempf's avatar
Michel Kaempf committed
246

247 248 249 250 251
    /* initialization is completed */
    vlc_mutex_lock( &p_input->stream.stream_lock );
    p_input->stream.b_changed = 1;
    vlc_mutex_unlock( &p_input->stream.stream_lock );

Sam Hocevar's avatar
 
Sam Hocevar committed
252 253 254
    pp_packets = (data_packet_t **) malloc( p_input->i_read_once *
                                        sizeof( data_packet_t * ) );
    if( pp_packets == NULL )
255
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
256
        intf_ErrMsg( "input error: out of memory" );
Sam Hocevar's avatar
 
Sam Hocevar committed
257
        free( pp_packets );
Sam Hocevar's avatar
 
Sam Hocevar committed
258 259
        p_input->b_error = 1;
    }
260

Sam Hocevar's avatar
 
Sam Hocevar committed
261 262
    while( !p_input->b_die && !p_input->b_error && !p_input->b_eof )
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
263
        p_input->c_loops++;
Sam Hocevar's avatar
 
Sam Hocevar committed
264

265
        vlc_mutex_lock( &p_input->stream.stream_lock );
266

267 268
        if( p_input->stream.p_new_area )
        {
269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285
            if( p_input->stream.b_seekable && p_input->pf_set_area != NULL )
            {

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

                for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
                {
                    pgrm_descriptor_t * p_pgrm
                                            = p_input->stream.pp_programs[i];
                    /* Escape all decoders for the stream discontinuity they
                     * will encounter. */
                    input_EscapeDiscontinuity( p_input, p_pgrm );

                    /* Reinitialize synchro. */
                    p_pgrm->i_synchro_state = SYNCHRO_REINIT;
                }
            }
286 287 288
            p_input->stream.p_new_area = NULL;
        }

289
        if( p_input->stream.p_selected_area->i_seek != NO_SEEK )
Sam Hocevar's avatar
 
Sam Hocevar committed
290
        {
291 292
            if( p_input->stream.b_seekable && p_input->pf_seek != NULL )
            {
293 294
                p_input->pf_seek( p_input,
                                  p_input->stream.p_selected_area->i_seek );
295 296 297 298 299 300 301 302 303 304 305 306 307

                for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
                {
                    pgrm_descriptor_t * p_pgrm
                                            = p_input->stream.pp_programs[i];
                    /* Escape all decoders for the stream discontinuity they
                     * will encounter. */
                    input_EscapeDiscontinuity( p_input, p_pgrm );

                    /* Reinitialize synchro. */
                    p_pgrm->i_synchro_state = SYNCHRO_REINIT;
                }
            }
308
            p_input->stream.p_selected_area->i_seek = NO_SEEK;
Sam Hocevar's avatar
 
Sam Hocevar committed
309
        }
310

311 312 313 314 315 316 317 318 319 320 321 322
        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;
        }

323 324 325 326 327 328 329 330 331 332 333 334 335 336
        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;
        }

337
        vlc_mutex_unlock( &p_input->stream.stream_lock );
Sam Hocevar's avatar
 
Sam Hocevar committed
338 339

        i_error = p_input->pf_read( p_input, pp_packets );
Sam Hocevar's avatar
 
Sam Hocevar committed
340

Sam Hocevar's avatar
 
Sam Hocevar committed
341
        /* Demultiplex read packets. */
342
        for( i = 0; i < p_input->i_read_once && pp_packets[i] != NULL; i++ )
Sam Hocevar's avatar
 
Sam Hocevar committed
343
        {
344
            p_input->stream.c_packets_read++;
Sam Hocevar's avatar
 
Sam Hocevar committed
345 346
            p_input->pf_demux( p_input, pp_packets[i] );
        }
Sam Hocevar's avatar
 
Sam Hocevar committed
347

Sam Hocevar's avatar
 
Sam Hocevar committed
348 349 350
        if( i_error )
        {
            if( i_error == 1 )
Sam Hocevar's avatar
Sam Hocevar committed
351
            {
Sam Hocevar's avatar
 
Sam Hocevar committed
352 353
                /* End of file - we do not set b_die because only the
                 * interface is allowed to do so. */
354
                intf_WarnMsg( 3, "input: EOF reached" );
Sam Hocevar's avatar
 
Sam Hocevar committed
355
                p_input->b_eof = 1;
Sam Hocevar's avatar
 
Sam Hocevar committed
356
            }
Sam Hocevar's avatar
 
Sam Hocevar committed
357
            else
Sam Hocevar's avatar
 
Sam Hocevar committed
358
            {
Sam Hocevar's avatar
 
Sam Hocevar committed
359
                p_input->b_error = 1;
Sam Hocevar's avatar
Sam Hocevar committed
360
            }
361 362 363
        }
    }

Sam Hocevar's avatar
 
Sam Hocevar committed
364 365
    free( pp_packets );

Sam Hocevar's avatar
 
Sam Hocevar committed
366
    if( p_input->b_error || p_input->b_eof )
367 368 369
    {
        ErrorThread( p_input );
    }
370

371
    EndThread( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
372 373 374

    DestroyThread( p_input );

Sam Hocevar's avatar
 
Sam Hocevar committed
375
    intf_DbgMsg("input: Thread end");
376 377
}

378
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
379
 * InitThread: init the input Thread
380
 *****************************************************************************/
Sam Hocevar's avatar
 
Sam Hocevar committed
381
static int InitThread( input_thread_t * p_input )
Michel Kaempf's avatar
Michel Kaempf committed
382 383
{

384 385
    /* Initialize statistics */
    p_input->c_loops                    = 0;
386 387
    p_input->stream.c_packets_read      = 0;
    p_input->stream.c_packets_trashed   = 0;
388
    p_input->p_stream                   = NULL;
Sam Hocevar's avatar
Sam Hocevar committed
389

Sam Hocevar's avatar
 
Sam Hocevar committed
390 391 392 393 394
    /* Set locks. */
    vlc_mutex_init( &p_input->stream.stream_lock );
    vlc_cond_init( &p_input->stream.stream_wait );
    vlc_mutex_init( &p_input->stream.control.control_lock );

395
    /* Find appropriate module. */
Sam Hocevar's avatar
 
Sam Hocevar committed
396
    p_input->p_input_module = module_Need( MODULE_CAPABILITY_INPUT,
Sam Hocevar's avatar
 
Sam Hocevar committed
397
                                           (probedata_t *)p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
398 399

    if( p_input->p_input_module == NULL )
400
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
401 402
        intf_ErrMsg( "input error: no suitable input module for `%s'",
                     p_input->p_source );
Sam Hocevar's avatar
 
Sam Hocevar committed
403
        return( -1 );
Michel Kaempf's avatar
Michel Kaempf committed
404
    }
405

Sam Hocevar's avatar
 
Sam Hocevar committed
406 407 408
#define f p_input->p_input_module->p_functions->input.functions.input
    p_input->pf_init          = f.pf_init;
    p_input->pf_end           = f.pf_end;
409
    p_input->pf_init_bit_stream= f.pf_init_bit_stream;
Sam Hocevar's avatar
 
Sam Hocevar committed
410
    p_input->pf_read          = f.pf_read;
411
    p_input->pf_set_area      = f.pf_set_area;
Sam Hocevar's avatar
 
Sam Hocevar committed
412 413 414 415 416 417 418
    p_input->pf_demux         = f.pf_demux;
    p_input->pf_new_packet    = f.pf_new_packet;
    p_input->pf_new_pes       = f.pf_new_pes;
    p_input->pf_delete_packet = f.pf_delete_packet;
    p_input->pf_delete_pes    = f.pf_delete_pes;
    p_input->pf_rewind        = f.pf_rewind;
    p_input->pf_seek          = f.pf_seek;
Sam Hocevar's avatar
 
Sam Hocevar committed
419

420
#if !defined( SYS_BEOS ) && !defined( SYS_NTO )
421
    /* FIXME : this is waaaay too kludgy */
Sam Hocevar's avatar
 
Sam Hocevar committed
422 423
    if( ( strlen( p_input->p_source ) > 3)
          && !strncasecmp( p_input->p_source, "ts:", 3 ) )
424 425 426 427 428
    {
        /* Network stream */
        NetworkOpen( p_input );
        p_input->stream.i_method = INPUT_METHOD_NETWORK;
    }
Sam Hocevar's avatar
 
Sam Hocevar committed
429 430
    else if( ( strlen( p_input->p_source ) > 5 )
               && !strncasecmp( p_input->p_source, "http:", 5 ) )
431 432 433 434 435
    {
        /* HTTP stream */
        HTTPOpen( p_input );
        p_input->stream.i_method = INPUT_METHOD_NETWORK;
    }
436 437
    else 
#endif
Sam Hocevar's avatar
 
Sam Hocevar committed
438 439 440
        if( ( ( strlen( p_input->p_source ) > 4 )
                && !strncasecmp( p_input->p_source, "dvd:", 4 ) )
            || TestMethod( INPUT_METHOD_VAR, "dvd" ) )
441 442
    {
        /* DVD - this is THE kludge */
Sam Hocevar's avatar
 
Sam Hocevar committed
443
        f.pf_open( p_input );
444 445
        p_input->stream.i_method = INPUT_METHOD_DVD;
    }
Sam Hocevar's avatar
 
Sam Hocevar committed
446 447
    else if( ( strlen( p_input->p_source ) > 4 )
               && !strncasecmp( p_input->p_source, "vlc:", 4 ) )
448 449
    {
        /* Dummy input - very kludgy */
Sam Hocevar's avatar
 
Sam Hocevar committed
450
        f.pf_open( p_input );
451
    }
Sam Hocevar's avatar
 
Sam Hocevar committed
452 453
    else if( ( strlen( p_input->p_source ) == 1 )
               && *p_input->p_source == '-' )
Christophe Massiot's avatar
Christophe Massiot committed
454 455 456 457
    {
        /* Stdin */
        StdOpen( p_input );
    }
458 459 460 461 462 463
    else
    {
        /* File input */
        FileOpen( p_input );
        p_input->stream.i_method = INPUT_METHOD_FILE;
    }
Sam Hocevar's avatar
 
Sam Hocevar committed
464
#undef f
465

Sam Hocevar's avatar
 
Sam Hocevar committed
466
    if( p_input->b_error )
467
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
468
        /* We barfed -- exit nicely */
Sam Hocevar's avatar
 
Sam Hocevar committed
469
        module_Unneed( p_input->p_input_module );
Sam Hocevar's avatar
 
Sam Hocevar committed
470
        return( -1 );
471
    }
Sam Hocevar's avatar
 
Sam Hocevar committed
472 473

    p_input->pf_init( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
474

475 476 477
    if( p_input->b_error )
    {
        /* We barfed -- exit nicely */
Sam Hocevar's avatar
 
Sam Hocevar committed
478
        CloseThread( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
479
        module_Unneed( p_input->p_input_module );
480 481 482
        return( -1 );
    }

Sam Hocevar's avatar
 
Sam Hocevar committed
483
    *p_input->pi_status = THREAD_READY;
Sam Hocevar's avatar
 
Sam Hocevar committed
484 485

    return( 0 );
Michel Kaempf's avatar
Michel Kaempf committed
486 487
}

488
/*****************************************************************************
489
 * ErrorThread: RunThread() error loop
490
 *****************************************************************************
491
 * This function is called when an error occured during thread main's loop.
492
 *****************************************************************************/
493
static void ErrorThread( input_thread_t *p_input )
Michel Kaempf's avatar
Michel Kaempf committed
494
{
495
    while( !p_input->b_die )
Michel Kaempf's avatar
Michel Kaempf committed
496
    {
497 498
        /* Sleep a while */
        msleep( INPUT_IDLE_SLEEP );
Michel Kaempf's avatar
Michel Kaempf committed
499 500 501
    }
}

502
/*****************************************************************************
503
 * EndThread: end the input thread
504
 *****************************************************************************/
505
static void EndThread( input_thread_t * p_input )
506
{
507
    int *       pi_status;                                  /* thread status */
508

509 510 511
    /* Store status */
    pi_status = p_input->pi_status;
    *pi_status = THREAD_END;
Sam Hocevar's avatar
Sam Hocevar committed
512

513
    if( p_main->b_stats )
Sam Hocevar's avatar
 
Sam Hocevar committed
514
    {
515
#ifdef HAVE_SYS_TIMES_H
516 517
        /* Display statistics */
        struct tms  cpu_usage;
Sam Hocevar's avatar
 
Sam Hocevar committed
518 519
        times( &cpu_usage );

520 521 522
        intf_StatMsg( "input stats: %d loops consuming user: %d, system: %d",
                      p_input->c_loops,
                      cpu_usage.tms_utime, cpu_usage.tms_stime );
523 524 525
#else
        intf_StatMsg( "input stats: %d loops", p_input->c_loops );
#endif
526 527

        input_DumpStream( p_input );
Sam Hocevar's avatar
 
Sam Hocevar committed
528 529 530 531 532 533 534 535
    }

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

    /* Free demultiplexer's data */
    p_input->pf_end( p_input );

Sam Hocevar's avatar
 
Sam Hocevar committed
536 537 538 539 540 541 542 543 544 545 546 547 548 549
    /* Close the input method */
    CloseThread( p_input );

    /* Release modules */
    module_Unneed( p_input->p_input_module );
}

/*****************************************************************************
 * CloseThread: close the target
 *****************************************************************************/
static void CloseThread( input_thread_t * p_input )
{
#define f p_input->p_input_module->p_functions->input.functions.input

550
#if !defined( SYS_BEOS ) && !defined( SYS_NTO )
Sam Hocevar's avatar
 
Sam Hocevar committed
551
    /* Close stream */
Sam Hocevar's avatar
 
Sam Hocevar committed
552 553
    if( ( strlen( p_input->p_source ) > 3)
          && !strncasecmp( p_input->p_source, "ts:", 3 ) )
554 555 556
    {
        NetworkClose( p_input );
    }
Sam Hocevar's avatar
 
Sam Hocevar committed
557 558
    else if( ( strlen( p_input->p_source ) > 5 )
               && !strncasecmp( p_input->p_source, "http:", 5 ) )
559 560 561
    {
        NetworkClose( p_input );
    }
562 563
    else 
#endif
Sam Hocevar's avatar
 
Sam Hocevar committed
564 565 566
    if( ( ( strlen( p_input->p_source ) > 4 )
            && !strncasecmp( p_input->p_source, "dvd:", 4 ) )
        || TestMethod( INPUT_METHOD_VAR, "dvd" ) )
567
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
568
        f.pf_close( p_input );
569
    }
Sam Hocevar's avatar
 
Sam Hocevar committed
570 571
    else if( ( strlen( p_input->p_source ) > 4 )
               && !strncasecmp( p_input->p_source, "vlc:", 4 ) )
572
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
573
        f.pf_close( p_input );
574
    }
575 576 577 578
    else
    {
        FileClose( p_input );
    }
Sam Hocevar's avatar
 
Sam Hocevar committed
579
#undef f
Sam Hocevar's avatar
 
Sam Hocevar committed
580 581 582 583 584 585 586 587 588 589 590
}

/*****************************************************************************
 * DestroyThread: destroy the input thread
 *****************************************************************************/
static void DestroyThread( input_thread_t * p_input )
{
    int *       pi_status;                                  /* thread status */

    /* Store status */
    pi_status = p_input->pi_status;
Sam Hocevar's avatar
 
Sam Hocevar committed
591

Henri Fallon's avatar
 
Henri Fallon committed
592 593
    /* Destroy Mutex locks */
    vlc_mutex_destroy( &p_input->stream.control.control_lock );
Henri Fallon's avatar
 
Henri Fallon committed
594
    vlc_mutex_destroy( &p_input->stream.stream_lock );
Henri Fallon's avatar
 
Henri Fallon committed
595
    
596
    /* Free input structure */
597
    free( p_input );
598

599 600
    /* Update status */
    *pi_status = THREAD_OVER;
Sam Hocevar's avatar
Sam Hocevar committed
601
}
602

Christophe Massiot's avatar
Christophe Massiot committed
603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621
/*****************************************************************************
 * StdOpen : open standard input
 *****************************************************************************/
static void StdOpen( input_thread_t * p_input )
{
    vlc_mutex_lock( &p_input->stream.stream_lock );

    /* Suppose we can control the pace - this won't work in some cases ! */
    p_input->stream.b_pace_control = 1;

    p_input->stream.b_seekable = 0;
    p_input->stream.p_selected_area->i_size = 0;
    p_input->stream.p_selected_area->i_tell = 0;
    vlc_mutex_unlock( &p_input->stream.stream_lock );

    intf_WarnMsg( 2, "input: opening stdin" );
    p_input->i_handle = 0;
}

Sam Hocevar's avatar
Sam Hocevar committed
622
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
623
 * FileOpen : open a file descriptor
Sam Hocevar's avatar
Sam Hocevar committed
624
 *****************************************************************************/
Sam Hocevar's avatar
 
Sam Hocevar committed
625
static void FileOpen( input_thread_t * p_input )
Michel Kaempf's avatar
Michel Kaempf committed
626
{
627
    struct stat         stat_info;
Sam Hocevar's avatar
 
Sam Hocevar committed
628 629 630
    int                 i_stat;

    char *psz_name = p_input->p_source;
Michel Kaempf's avatar
Michel Kaempf committed
631

Sam Hocevar's avatar
 
Sam Hocevar committed
632
    if( ( i_stat = stat( psz_name, &stat_info ) ) == (-1) )
Sam Hocevar's avatar
 
Sam Hocevar committed
633
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
634 635 636 637 638 639 640 641
        int i_size = strlen( psz_name );

        if( ( i_size > 4 )
            && !strncasecmp( psz_name, "dvd:", 4 ) )
        {
            /* get rid of the 'dvd:' stuff and try again */
            psz_name += 4;
            i_stat = stat( psz_name, &stat_info );
Henri Fallon's avatar
 
Henri Fallon committed
642
        }
643 644
        else if( ( i_size > 4 )
                 && !strncasecmp( psz_name, "vcd:", 4 ) )
645 646 647 648 649
        {
            /* get rid of the 'vcd:' stuff and try again */
            psz_name += 4;
            i_stat = stat( psz_name, &stat_info );
        }
Sam Hocevar's avatar
 
Sam Hocevar committed
650
        else if( ( i_size > 5 )
Sam Hocevar's avatar
 
Sam Hocevar committed
651 652 653 654 655
                 && !strncasecmp( psz_name, "file:", 5 ) )
        {
            /* get rid of the 'file:' stuff and try again */
            psz_name += 5;
            i_stat = stat( psz_name, &stat_info );
Henri Fallon's avatar
 
Henri Fallon committed
656
        }
Sam Hocevar's avatar
 
Sam Hocevar committed
657

Sam Hocevar's avatar
 
Sam Hocevar committed
658
        if( i_stat == (-1) )
Sam Hocevar's avatar
 
Sam Hocevar committed
659 660 661 662 663 664
        {
            intf_ErrMsg( "input error: cannot stat() file `%s' (%s)",
                         psz_name, strerror(errno));
            p_input->b_error = 1;
            return;
        }
Sam Hocevar's avatar
 
Sam Hocevar committed
665 666 667 668 669 670 671 672
    }

    vlc_mutex_lock( &p_input->stream.stream_lock );

    /* If we are here we can control the pace... */
    p_input->stream.b_pace_control = 1;

    if( S_ISREG(stat_info.st_mode) || S_ISCHR(stat_info.st_mode)
Sam Hocevar's avatar
 
Sam Hocevar committed
673
         || S_ISBLK(stat_info.st_mode) )
Sam Hocevar's avatar
 
Sam Hocevar committed
674 675
    {
        p_input->stream.b_seekable = 1;
676
        p_input->stream.p_selected_area->i_size = stat_info.st_size;
Sam Hocevar's avatar
 
Sam Hocevar committed
677
    }
Jean-Marc Dressler's avatar
 
Jean-Marc Dressler committed
678
    else if( S_ISFIFO(stat_info.st_mode)
Sam Hocevar's avatar
 
Sam Hocevar committed
679
#if !defined( SYS_BEOS ) && !defined( WIN32 )
Jean-Marc Dressler's avatar
 
Jean-Marc Dressler committed
680 681 682
             || S_ISSOCK(stat_info.st_mode)
#endif
             )
Sam Hocevar's avatar
Sam Hocevar committed
683
    {
684
        p_input->stream.b_seekable = 0;
685
        p_input->stream.p_selected_area->i_size = 0;
Benoit Steiner's avatar
 
Benoit Steiner committed
686 687 688
    }
    else
    {
689
        vlc_mutex_unlock( &p_input->stream.stream_lock );
Sam Hocevar's avatar
 
Sam Hocevar committed
690
        intf_ErrMsg( "input error: unknown file type for `%s'",
Sam Hocevar's avatar
 
Sam Hocevar committed
691
                     psz_name );
Sam Hocevar's avatar
 
Sam Hocevar committed
692 693 694
        p_input->b_error = 1;
        return;
    }
695

696
    p_input->stream.p_selected_area->i_tell = 0;
Sam Hocevar's avatar
 
Sam Hocevar committed
697 698
    vlc_mutex_unlock( &p_input->stream.stream_lock );

Sam Hocevar's avatar
 
Sam Hocevar committed
699
    intf_WarnMsg( 2, "input: opening file `%s'", p_input->p_source );
Sam Hocevar's avatar
 
Sam Hocevar committed
700
    if( (p_input->i_handle = open( psz_name,
Sam Hocevar's avatar
 
Sam Hocevar committed
701 702
                                   /*O_NONBLOCK | O_LARGEFILE*/0 )) == (-1) )
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
703
        intf_ErrMsg( "input error: cannot open file (%s)", strerror(errno) );
Sam Hocevar's avatar
 
Sam Hocevar committed
704 705
        p_input->b_error = 1;
        return;
Michel Kaempf's avatar
Michel Kaempf committed
706 707 708
    }

}
Stéphane Borel's avatar
Stéphane Borel committed
709 710

/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
711
 * FileClose : close a file descriptor
Stéphane Borel's avatar
Stéphane Borel committed
712
 *****************************************************************************/
Sam Hocevar's avatar
 
Sam Hocevar committed
713
static void FileClose( input_thread_t * p_input )
Stéphane Borel's avatar
Stéphane Borel committed
714
{
Sam Hocevar's avatar
 
Sam Hocevar committed
715
    intf_WarnMsg( 2, "input: closing file `%s'", p_input->p_source );
Sam Hocevar's avatar
 
Sam Hocevar committed
716

Sam Hocevar's avatar
 
Sam Hocevar committed
717
    close( p_input->i_handle );
Stéphane Borel's avatar
Stéphane Borel committed
718

Sam Hocevar's avatar
 
Sam Hocevar committed
719
    return;
Stéphane Borel's avatar
Stéphane Borel committed
720
}
Sam Hocevar's avatar
 
Sam Hocevar committed
721

722
#if !defined( SYS_BEOS ) && !defined( SYS_NTO )
Henri Fallon's avatar
 
Henri Fallon committed
723
/*****************************************************************************
Sam Hocevar's avatar
 
Sam Hocevar committed
724
 * NetworkOpen : open a network socket 
Henri Fallon's avatar
 
Henri Fallon committed
725
 *****************************************************************************/
Sam Hocevar's avatar
 
Sam Hocevar committed
726
static void NetworkOpen( input_thread_t * p_input )
Henri Fallon's avatar
 
Henri Fallon committed
727
{
Henri Fallon's avatar
 
Henri Fallon committed
728
    char                *psz_server = NULL;
729
    char                *psz_broadcast = NULL;
Henri Fallon's avatar
 
Henri Fallon committed
730
    int                 i_port = 0;
Sam Hocevar's avatar
 
Sam Hocevar committed
731
    int                 i_opt;
732
    int                 i_opt_size;
Sam Hocevar's avatar
 
Sam Hocevar committed
733
    struct sockaddr_in  sock;
734

Henri Fallon's avatar
 
Henri Fallon committed
735
    /* Get the remote server */
Sam Hocevar's avatar
 
Sam Hocevar committed
736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757
    if( p_input->p_source != NULL )
    {
        psz_server = p_input->p_source;

        /* Skip the protocol name */
        while( *psz_server && *psz_server != ':' )
        {
            psz_server++;
        }

        /* Skip the "://" part */
        while( *psz_server && (*psz_server == ':' || *psz_server == '/') )
        {
            psz_server++;
        }

        /* Found a server name */
        if( *psz_server )
        {
            char *psz_port = psz_server;

            /* Skip the hostname part */
Sam Hocevar's avatar
 
Sam Hocevar committed
758
            while( *psz_port && *psz_port != ':' && *psz_port != '/' )
Sam Hocevar's avatar
 
Sam Hocevar committed
759 760 761 762
            {
                psz_port++;
            }

Sam Hocevar's avatar
 
Sam Hocevar committed
763
            /* Found a port name or a broadcast addres */
Sam Hocevar's avatar
 
Sam Hocevar committed
764 765
            if( *psz_port )
            {
766 767 768
                /* That's a port name */
                if( *psz_port == ':' )
                {
Sam Hocevar's avatar
 
Sam Hocevar committed
769 770 771
                    *psz_port = '\0';
                    psz_port++;
                    i_port = atoi( psz_port );
772
                }
Sam Hocevar's avatar
 
Sam Hocevar committed
773

774 775
                /* Search for '/' just after the port in case
                 * we also have a broadcast address */
776
                psz_broadcast = psz_port;
Sam Hocevar's avatar
 
Sam Hocevar committed
777
                while( *psz_broadcast && *psz_broadcast != '/' )
778 779 780 781 782 783 784 785
                {
                    psz_broadcast++;
                }

                if( *psz_broadcast )
                {
                    *psz_broadcast = '\0';
                    psz_broadcast++;
Sam Hocevar's avatar
 
Sam Hocevar committed
786
                    while( *psz_broadcast && *psz_broadcast == '/' )
787 788 789 790 791 792 793 794
                    {
                        psz_broadcast++;
                    }
                }
                else
                {
                    psz_broadcast = NULL;
                }
Sam Hocevar's avatar
 
Sam Hocevar committed
795 796 797 798 799 800 801
            }
        }
        else
        {
            psz_server = NULL;
        }
    }
Sam Hocevar's avatar
 
Sam Hocevar committed
802 803 804 805 806
    else
    {
        /* This is required or NetworkClose will never be called */
        p_input->p_source = "ts: network input";
    }
Sam Hocevar's avatar
 
Sam Hocevar committed
807 808 809 810 811 812 813 814 815 816

    /* Check that we got a valid server */
    if( psz_server == NULL )
    {
        psz_server = main_GetPszVariable( INPUT_SERVER_VAR, 
                                          INPUT_SERVER_DEFAULT );
    }

    /* Check that we got a valid port */
    if( i_port == 0 )
Henri Fallon's avatar
 
Henri Fallon committed
817
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
818
        i_port = main_GetIntVariable( INPUT_PORT_VAR, INPUT_PORT_DEFAULT );
Henri Fallon's avatar
 
Henri Fallon committed
819
    }
820 821 822 823

    if( psz_broadcast == NULL )
    {
        /* Are we broadcasting ? */
824 825 826 827 828 829 830 831
        if( main_GetIntVariable( INPUT_BROADCAST_VAR,
                                 INPUT_BROADCAST_DEFAULT ) )
        {
            psz_broadcast = main_GetPszVariable( INPUT_BCAST_ADDR_VAR,
                                                 INPUT_BCAST_ADDR_DEFAULT );
        }
        else
        {
832
            psz_broadcast = NULL; 
833
        }
834 835
    }

Sam Hocevar's avatar
 
Sam Hocevar committed
836
    intf_WarnMsg( 2, "input: server=%s port=%d broadcast=%s",
837 838
                     psz_server, i_port, psz_broadcast );

Henri Fallon's avatar
 
Henri Fallon committed
839 840 841 842 843
    /* Open a SOCK_DGRAM (UDP) socket, in the AF_INET domain, automatic (0)
     * protocol */
    p_input->i_handle = socket( AF_INET, SOCK_DGRAM, 0 );
    if( p_input->i_handle == -1 )
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
844
        intf_ErrMsg( "input error: can't create socket (%s)", strerror(errno) );
Henri Fallon's avatar
 
Henri Fallon committed
845 846 847 848 849
        p_input->b_error = 1;
        return;
    }

    /* We may want to reuse an already used socket */
Sam Hocevar's avatar
 
Sam Hocevar committed
850
    i_opt = 1;
Henri Fallon's avatar
 
Henri Fallon committed
851
    if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_REUSEADDR,
852
                    (void *) &i_opt, sizeof( i_opt ) ) == -1 )
Henri Fallon's avatar
 
Henri Fallon committed
853
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
854 855
        intf_ErrMsg( "input error: can't configure socket (SO_REUSEADDR: %s)",
                     strerror(errno));
Henri Fallon's avatar
 
Henri Fallon committed
856 857 858 859 860 861 862
        close( p_input->i_handle );
        p_input->b_error = 1;
        return;
    }

    /* Increase the receive buffer size to 1/2MB (8Mb/s during 1/2s) to avoid
     * packet loss caused by scheduling problems */
Sam Hocevar's avatar
 
Sam Hocevar committed
863 864
    i_opt = 0x80000;
    if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_RCVBUF,
865
                    (void *) &i_opt, sizeof( i_opt ) ) == -1 )
Henri Fallon's avatar
 
Henri Fallon committed
866
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
867 868
        intf_WarnMsg( 1, "input error: can't configure socket (SO_RCVBUF: %s)", 
                         strerror(errno));
Henri Fallon's avatar
 
Henri Fallon committed
869 870
    }

871 872 873 874 875 876 877 878
    /* Check if we really got what we have asked for, because Linux, etc.
     * will silently limit the max buffer size to net.core.rmem_max which
     * is typically only 65535 bytes */
    i_opt = 0;
    i_opt_size = sizeof( i_opt );
    if( getsockopt( p_input->i_handle, SOL_SOCKET, SO_RCVBUF,
                    (void*) &i_opt, &i_opt_size ) == -1 )
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
879 880
        intf_WarnMsg( 1, "input error: can't query socket (SO_RCVBUF: %s)", 
                         strerror(errno));
881
    }
Sam Hocevar's avatar
 
Sam Hocevar committed
882
    else if( i_opt < 0x80000 )
883
    {
Sam Hocevar's avatar
 
Sam Hocevar committed
884 885
        intf_WarnMsg( 1, "input warning: socket buffer size is 0x%x"
                         " instead of 0x%x", i_opt, 0x80000 );