git.sesse.net Git - vlc/blob - src/input/input.c

   1 /*****************************************************************************
   2  * input.c: input thread
   3  * Read an MPEG2 stream, demultiplex and parse it before sending it to
   4  * decoders.
   5  *****************************************************************************
   6  * Copyright (C) 1998, 1999, 2000 VideoLAN
   7  * $Id: input.c,v 1.115 2001/05/31 01:37:08 sam Exp $
   8  *
   9  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29 #include "defs.h"
  30
  31 #include <stdlib.h>
  32 #include <sys/types.h>
  33 #include <sys/stat.h>
  34 #include <fcntl.h>
  35
  36 #ifdef HAVE_UNISTD_H
  37 #include <unistd.h>
  38 #elif defined( _MSC_VER ) && defined( _WIN32 )
  39 #include <io.h>
  40 #endif
  41
  42 #include <string.h>
  43 #ifdef STRNCASECMP_IN_STRINGS_H
  44 #   include <strings.h>
  45 #endif
  46 #include <errno.h>
  47
  48 /* WinSock Includes */
  49
  50 #ifdef WIN32
  51 #include <winsock2.h>
  52 #endif
  53
  54
  55 /* Network functions */
  56
  57 #if !defined( SYS_BEOS ) && !defined( SYS_NTO ) && !defined( WIN32 )
  58 #include <netdb.h>                                            /* hostent ... */
  59 #include <sys/socket.h>
  60 #include <netinet/in.h>
  61 #include <arpa/inet.h>
  62 #include <sys/types.h>
  63 #include <sys/socket.h>
  64 #endif
  65
  66 #ifdef STATS
  67 #   include <sys/times.h>
  68 #endif
  69
  70 #include "config.h"
  71 #include "common.h"
  72 #include "threads.h"
  73 #include "mtime.h"
  74 #include "netutils.h"
  75 #include "modules.h"
  76
  77 #include "intf_msg.h"
  78 #include "intf_playlist.h"
  79
  80 #include "stream_control.h"
  81 #include "input_ext-intf.h"
  82 #include "input_ext-dec.h"
  83
  84 #include "input.h"
  85 #include "interface.h"
  86
  87 #include "main.h"
  88
  89
  90 /*****************************************************************************
  91  * Local prototypes
  92  *****************************************************************************/
  93 static void RunThread       ( input_thread_t *p_input );
  94 static  int InitThread      ( input_thread_t *p_input );
  95 static void ErrorThread     ( input_thread_t *p_input );
  96 static void DestroyThread   ( input_thread_t *p_input );
  97 static void EndThread       ( input_thread_t *p_input );
  98
  99 static void FileOpen        ( input_thread_t *p_input );
 100 static void FileClose       ( input_thread_t *p_input );
 101 static void NetworkOpen     ( input_thread_t *p_input );
 102 static void NetworkClose    ( input_thread_t *p_input );
 103
 104 /*****************************************************************************
 105  * input_CreateThread: creates a new input thread
 106  *****************************************************************************
 107  * This function creates a new input, and returns a pointer
 108  * to its description. On error, it returns NULL.
 109  * If pi_status is NULL, then the function will block until the thread is ready.
 110  * If not, it will be updated using one of the THREAD_* constants.
 111  *****************************************************************************/
 112 input_thread_t *input_CreateThread ( playlist_item_t *p_item, int *pi_status )
 113 {
 114     input_thread_t *    p_input;                        /* thread descriptor */
 115     int                 i_status;                           /* thread status */
 116
 117     /* Allocate descriptor */
 118     p_input = (input_thread_t *)malloc( sizeof(input_thread_t) );
 119     if( p_input == NULL )
 120     {
 121         intf_ErrMsg( "input error: can't allocate input thread (%s)",
 122                      strerror(errno) );
 123         return( NULL );
 124     }
 125
 126     /* Packets read once */
 127     p_input->i_read_once = INPUT_READ_ONCE;
 128
 129     /* Initialize thread properties */
 130     p_input->b_die              = 0;
 131     p_input->b_error            = 0;
 132     p_input->b_eof              = 0;
 133
 134     /* Set target */
 135     p_input->p_source           = p_item->psz_name;
 136
 137     /* I have never understood that stuff --Meuuh */
 138     p_input->pi_status          = (pi_status != NULL) ? pi_status : &i_status;
 139     *p_input->pi_status         = THREAD_CREATE;
 140
 141     /* Initialize stream description */
 142     p_input->stream.i_es_number = 0;
 143     p_input->stream.i_selected_es_number = 0;
 144     p_input->stream.i_pgrm_number = 0;
 145     p_input->stream.i_new_status = p_input->stream.i_new_rate = 0;
 146     p_input->stream.i_mux_rate = 0;
 147
 148     /* no stream, no area */
 149     p_input->stream.i_area_nb = 0;
 150     p_input->stream.pp_areas = NULL;
 151     p_input->stream.p_selected_area = NULL;
 152     p_input->stream.p_new_area = NULL;
 153     /* By default there is one areas in a stream */
 154     input_AddArea( p_input );
 155     p_input->stream.p_selected_area = p_input->stream.pp_areas[0];
 156
 157     /* Initialize stream control properties. */
 158     p_input->stream.control.i_status = PLAYING_S;
 159     p_input->stream.control.i_rate = DEFAULT_RATE;
 160     p_input->stream.control.b_mute = 0;
 161     p_input->stream.control.b_bw = 0;
 162
 163     /* Setup callbacks */
 164     p_input->pf_file_open     = FileOpen;
 165     p_input->pf_file_close    = FileClose;
 166 #if !defined( SYS_BEOS ) && !defined( SYS_NTO )
 167     p_input->pf_network_open  = NetworkOpen;
 168     p_input->pf_network_close = NetworkClose;
 169 #endif
 170
 171     /* Create thread and set locks. */
 172     vlc_mutex_init( &p_input->stream.stream_lock );
 173     vlc_cond_init( &p_input->stream.stream_wait );
 174     vlc_mutex_init( &p_input->stream.control.control_lock );
 175     if( vlc_thread_create( &p_input->thread_id, "input", (void *) RunThread,
 176                            (void *) p_input ) )
 177     {
 178         intf_ErrMsg( "input error: can't create input thread (%s)",
 179                      strerror(errno) );
 180         free( p_input );
 181         return( NULL );
 182     }
 183
 184     /* If status is NULL, wait until the thread is created */
 185     if( pi_status == NULL )
 186     {
 187         do
 188         {
 189             msleep( THREAD_SLEEP );
 190         } while( (i_status != THREAD_READY) && (i_status != THREAD_ERROR)
 191                 && (i_status != THREAD_FATAL) );
 192         if( i_status != THREAD_READY )
 193         {
 194             return( NULL );
 195         }
 196     }
 197     return( p_input );
 198 }
 199
 200 /*****************************************************************************
 201  * input_DestroyThread: mark an input thread as zombie
 202  *****************************************************************************
 203  * This function should not return until the thread is effectively cancelled.
 204  *****************************************************************************/
 205 void input_DestroyThread( input_thread_t *p_input, int *pi_status )
 206 {
 207     int         i_status;                                   /* thread status */
 208
 209     /* Set status */
 210     p_input->pi_status = (pi_status != NULL) ? pi_status : &i_status;
 211     *p_input->pi_status = THREAD_DESTROY;
 212
 213     /* Request thread destruction */
 214     p_input->b_die = 1;
 215
 216     /* Make the thread exit of an eventual vlc_cond_wait() */
 217     vlc_mutex_lock( &p_input->stream.stream_lock );
 218     vlc_cond_signal( &p_input->stream.stream_wait );
 219     vlc_mutex_unlock( &p_input->stream.stream_lock );
 220
 221     /* If status is NULL, wait until thread has been destroyed */
 222     if( pi_status == NULL )
 223     {
 224         do
 225         {
 226             msleep( THREAD_SLEEP );
 227         } while ( (i_status != THREAD_OVER) && (i_status != THREAD_ERROR)
 228                   && (i_status != THREAD_FATAL) );
 229     }
 230 }
 231
 232 /*****************************************************************************
 233  * RunThread: main thread loop
 234  *****************************************************************************
 235  * Thread in charge of processing the network packets and demultiplexing.
 236  *****************************************************************************/
 237 static void RunThread( input_thread_t *p_input )
 238 {
 239     int                     i_error, i;
 240     data_packet_t **        pp_packets;
 241
 242     if( InitThread( p_input ) )
 243     {
 244
 245         /* If we failed, wait before we are killed, and exit */
 246         *p_input->pi_status = THREAD_ERROR;
 247         p_input->b_error = 1;
 248         ErrorThread( p_input );
 249         DestroyThread( p_input );
 250         return;
 251     }
 252
 253     /* initialization is completed */
 254     vlc_mutex_lock( &p_input->stream.stream_lock );
 255     p_input->stream.b_changed = 1;
 256     vlc_mutex_unlock( &p_input->stream.stream_lock );
 257
 258     pp_packets = (data_packet_t **) malloc( p_input->i_read_once *
 259                                         sizeof( data_packet_t * ) );
 260     if( pp_packets == NULL )
 261     {
 262         intf_ErrMsg( "input error: out of memory" );
 263         p_input->b_error = 1;
 264     }
 265
 266     while( !p_input->b_die && !p_input->b_error && !p_input->b_eof )
 267     {
 268 #ifdef STATS
 269         p_input->c_loops++;
 270 #endif
 271
 272         vlc_mutex_lock( &p_input->stream.stream_lock );
 273
 274         if( p_input->stream.p_new_area )
 275         {
 276             p_input->pf_set_area( p_input, p_input->stream.p_new_area );
 277             p_input->stream.p_new_area = NULL;
 278         }
 279
 280         if( p_input->stream.p_selected_area->i_seek != NO_SEEK )
 281         {
 282             if( p_input->stream.b_seekable && p_input->pf_seek != NULL )
 283             {
 284                 p_input->pf_seek( p_input,
 285                                   p_input->stream.p_selected_area->i_seek );
 286
 287                 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
 288                 {
 289                     pgrm_descriptor_t * p_pgrm
 290                                             = p_input->stream.pp_programs[i];
 291                     /* Escape all decoders for the stream discontinuity they
 292                      * will encounter. */
 293                     input_EscapeDiscontinuity( p_input, p_pgrm );
 294
 295                     /* Reinitialize synchro. */
 296                     p_pgrm->i_synchro_state = SYNCHRO_REINIT;
 297                 }
 298             }
 299             p_input->stream.p_selected_area->i_seek = NO_SEEK;
 300         }
 301
 302         if( p_input->stream.p_removed_es )
 303         {
 304             input_UnselectES( p_input, p_input->stream.p_removed_es );
 305             p_input->stream.p_removed_es = NULL;
 306         }
 307
 308         if( p_input->stream.p_newly_selected_es )
 309         {
 310             input_SelectES( p_input, p_input->stream.p_newly_selected_es );
 311             p_input->stream.p_newly_selected_es = NULL;
 312         }
 313
 314         vlc_mutex_unlock( &p_input->stream.stream_lock );
 315
 316         i_error = p_input->pf_read( p_input, pp_packets );
 317
 318         /* Demultiplex read packets. */
 319         for( i = 0; i < p_input->i_read_once && pp_packets[i] != NULL; i++ )
 320         {
 321             p_input->pf_demux( p_input, pp_packets[i] );
 322         }
 323
 324         if( i_error )
 325         {
 326             if( i_error == 1 )
 327             {
 328                 /* End of file - we do not set b_die because only the
 329                  * interface is allowed to do so. */
 330                 intf_WarnMsg( 3, "input: EOF reached" );
 331                 p_input->b_eof = 1;
 332             }
 333             else
 334             {
 335                 p_input->b_error = 1;
 336             }
 337         }
 338     }
 339
 340     free( pp_packets );
 341
 342     if( p_input->b_error || p_input->b_eof )
 343     {
 344         ErrorThread( p_input );
 345     }
 346
 347     EndThread( p_input );
 348
 349     DestroyThread( p_input );
 350
 351     intf_DbgMsg("input: Thread end");
 352 }
 353
 354 /*****************************************************************************
 355  * InitThread: init the input Thread
 356  *****************************************************************************/
 357 static int InitThread( input_thread_t * p_input )
 358 {
 359
 360 #ifdef STATS
 361     /* Initialize statistics */
 362     p_input->c_loops                    = 0;
 363     p_input->c_bytes                    = 0;
 364     p_input->c_payload_bytes            = 0;
 365     p_input->c_packets_read             = 0;
 366     p_input->c_packets_trashed          = 0;
 367 #endif
 368
 369     /* Default, might get overwritten */
 370     p_input->pf_open = p_input->pf_file_open;
 371     p_input->pf_close = p_input->pf_file_close;
 372
 373     p_input->p_input_module = module_Need( MODULE_CAPABILITY_INPUT,
 374                                            (probedata_t *)p_input );
 375
 376     if( p_input->p_input_module == NULL )
 377     {
 378         intf_ErrMsg( "input error: no suitable input module for `%s'",
 379                      p_input->p_source );
 380         return( -1 );
 381     }
 382
 383 #define f p_input->p_input_module->p_functions->input.functions.input
 384     p_input->pf_init          = f.pf_init;
 385     if( f.pf_open != NULL )
 386     {
 387         p_input->pf_open          = f.pf_open;
 388     }
 389     if( f.pf_close != NULL )
 390     {
 391         p_input->pf_close         = f.pf_close;
 392     }
 393     p_input->pf_end           = f.pf_end;
 394     p_input->pf_read          = f.pf_read;
 395     p_input->pf_set_area      = f.pf_set_area;
 396     p_input->pf_demux         = f.pf_demux;
 397     p_input->pf_new_packet    = f.pf_new_packet;
 398     p_input->pf_new_pes       = f.pf_new_pes;
 399     p_input->pf_delete_packet = f.pf_delete_packet;
 400     p_input->pf_delete_pes    = f.pf_delete_pes;
 401     p_input->pf_rewind        = f.pf_rewind;
 402     p_input->pf_seek          = f.pf_seek;
 403 #undef f
 404     p_input->pf_open( p_input );
 405
 406     if( p_input->b_error )
 407     {
 408         /* We barfed -- exit nicely */
 409         p_input->pf_close( p_input );
 410         module_Unneed( p_input->p_input_module );
 411         return( -1 );
 412     }
 413
 414     p_input->pf_init( p_input );
 415
 416     if( p_input->b_error )
 417     {
 418         /* We barfed -- exit nicely */
 419         p_input->pf_close( p_input );
 420         module_Unneed( p_input->p_input_module );
 421         return( -1 );
 422     }
 423
 424     *p_input->pi_status = THREAD_READY;
 425
 426     return( 0 );
 427 }
 428
 429 /*****************************************************************************
 430  * ErrorThread: RunThread() error loop
 431  *****************************************************************************
 432  * This function is called when an error occured during thread main's loop.
 433  *****************************************************************************/
 434 static void ErrorThread( input_thread_t *p_input )
 435 {
 436     while( !p_input->b_die )
 437     {
 438         /* Sleep a while */
 439         msleep( INPUT_IDLE_SLEEP );
 440     }
 441 }
 442
 443 /*****************************************************************************
 444  * EndThread: end the input thread
 445  *****************************************************************************/
 446 static void EndThread( input_thread_t * p_input )
 447 {
 448     int *       pi_status;                                  /* thread status */
 449
 450     /* Store status */
 451     pi_status = p_input->pi_status;
 452     *pi_status = THREAD_END;
 453
 454 #ifdef STATS
 455     {
 456         struct tms cpu_usage;
 457         times( &cpu_usage );
 458
 459         intf_Msg("input stats: cpu usage (user: %d, system: %d)",
 460                  cpu_usage.tms_utime, cpu_usage.tms_stime);
 461     }
 462 #endif
 463
 464     /* Free all ES and destroy all decoder threads */
 465     input_EndStream( p_input );
 466
 467     /* Free demultiplexer's data */
 468     p_input->pf_end( p_input );
 469
 470     /* Close stream */
 471     p_input->pf_close( p_input );
 472
 473     /* Release modules */
 474     module_Unneed( p_input->p_input_module );
 475
 476 }
 477
 478 /*****************************************************************************
 479  * DestroyThread: destroy the input thread
 480  *****************************************************************************/
 481 static void DestroyThread( input_thread_t * p_input )
 482 {
 483     int *       pi_status;                                  /* thread status */
 484
 485     /* Store status */
 486     pi_status = p_input->pi_status;
 487
 488     /* Destroy Mutex locks */
 489     vlc_mutex_destroy( &p_input->stream.control.control_lock );
 490     vlc_mutex_destroy( &p_input->stream.stream_lock );
 491
 492     /* Free input structure */
 493     free( p_input );
 494
 495     /* Update status */
 496     *pi_status = THREAD_OVER;
 497 }
 498
 499 /*****************************************************************************
 500  * FileOpen : open a file descriptor
 501  *****************************************************************************/
 502 static void FileOpen( input_thread_t * p_input )
 503 {
 504     struct stat         stat_info;
 505     int                 i_stat;
 506
 507     char *psz_name = p_input->p_source;
 508
 509     /* FIXME: this code ought to be in the plugin so that code can
 510      * be shared with the *_Probe function */
 511     if( ( i_stat = stat( psz_name, &stat_info ) ) == (-1) )
 512     {
 513         int i_size = strlen( psz_name );
 514
 515         if( ( i_size > 4 )
 516             && !strncasecmp( psz_name, "dvd:", 4 ) )
 517         {
 518             /* get rid of the 'dvd:' stuff and try again */
 519             psz_name += 4;
 520             i_stat = stat( psz_name, &stat_info );
 521         }
 522         else if( ( i_size > 5 )
 523                  && !strncasecmp( psz_name, "file:", 5 ) )
 524         {
 525             /* get rid of the 'file:' stuff and try again */
 526             psz_name += 5;
 527             i_stat = stat( psz_name, &stat_info );
 528         }
 529
 530         if( i_stat == (-1) )
 531         {
 532             intf_ErrMsg( "input error: cannot stat() file `%s' (%s)",
 533                          psz_name, strerror(errno));
 534             p_input->b_error = 1;
 535             return;
 536         }
 537     }
 538
 539     vlc_mutex_lock( &p_input->stream.stream_lock );
 540
 541     /* If we are here we can control the pace... */
 542     p_input->stream.b_pace_control = 1;
 543
 544     if( S_ISREG(stat_info.st_mode) || S_ISCHR(stat_info.st_mode)
 545          || S_ISBLK(stat_info.st_mode) )
 546     {
 547         p_input->stream.b_seekable = 1;
 548         p_input->stream.p_selected_area->i_size = stat_info.st_size;
 549     }
 550     else if( S_ISFIFO(stat_info.st_mode)
 551 #if !defined( SYS_BEOS ) && !defined( WIN32 )
 552              || S_ISSOCK(stat_info.st_mode)
 553 #endif
 554              )
 555     {
 556         p_input->stream.b_seekable = 0;
 557         p_input->stream.p_selected_area->i_size = 0;
 558     }
 559     else
 560     {
 561         vlc_mutex_unlock( &p_input->stream.stream_lock );
 562         intf_ErrMsg( "input error: unknown file type for `%s'",
 563                      psz_name );
 564         p_input->b_error = 1;
 565         return;
 566     }
 567
 568     p_input->stream.p_selected_area->i_tell = 0;
 569     vlc_mutex_unlock( &p_input->stream.stream_lock );
 570
 571     intf_WarnMsg( 1, "input: opening file `%s'", p_input->p_source );
 572 #ifndef WIN32
 573     if( (p_input->i_handle = open( psz_name,
 574                                    /*O_NONBLOCK | O_LARGEFILE*/0 )) == (-1) )
 575 #else
 576     if( (p_input->i_handle = open( psz_name, O_BINARY
 577                                    /*O_NONBLOCK | O_LARGEFILE*/ )) == (-1) )
 578 #endif
 579     {
 580         intf_ErrMsg( "input error: cannot open file (%s)", strerror(errno) );
 581         p_input->b_error = 1;
 582         return;
 583     }
 584
 585 }
 586
 587 /*****************************************************************************
 588  * FileClose : close a file descriptor
 589  *****************************************************************************/
 590 static void FileClose( input_thread_t * p_input )
 591 {
 592     intf_WarnMsg( 1, "input: closing file `%s'", p_input->p_source );
 593     close( p_input->i_handle );
 594
 595     return;
 596 }
 597
 598
 599 #if !defined( SYS_BEOS ) && !defined( SYS_NTO )
 600 /*****************************************************************************
 601  * NetworkOpen : open a network socket
 602  *****************************************************************************/
 603 static void NetworkOpen( input_thread_t * p_input )
 604 {
 605     char                *psz_server = NULL;
 606     char                *psz_broadcast = NULL;
 607     int                 i_port = 0;
 608     int                 i_opt;
 609     struct sockaddr_in  sock;
 610
 611 #ifdef WIN32
 612     /* WinSock Library Init. */
 613     WSADATA Data;
 614     int i_err = WSAStartup( MAKEWORD( 1, 1 ), &Data );
 615
 616     if( i_err )
 617     {
 618         intf_ErrMsg( "input: can't initiate WinSocks, error %i", i_err );
 619         return ;
 620     }
 621 #endif
 622
 623     /* Get the remote server */
 624     if( p_input->p_source != NULL )
 625     {
 626         psz_server = p_input->p_source;
 627
 628         /* Skip the protocol name */
 629         while( *psz_server && *psz_server != ':' )
 630         {
 631             psz_server++;
 632         }
 633
 634         /* Skip the "://" part */
 635         while( *psz_server && (*psz_server == ':' || *psz_server == '/') )
 636         {
 637             psz_server++;
 638         }
 639
 640         /* Found a server name */
 641         if( *psz_server )
 642         {
 643             char *psz_port = psz_server;
 644
 645             /* Skip the hostname part */
 646             while( *psz_port && *psz_port != ':' )
 647             {
 648                 psz_port++;
 649             }
 650
 651             /* Found a port name */
 652             if( *psz_port )
 653             {
 654                 /* Replace ':' with '\0' */
 655                 *psz_port = '\0';
 656                 psz_port++;
 657
 658                 psz_broadcast = psz_port;
 659                 while( *psz_broadcast && *psz_broadcast != ':' )
 660                 {
 661                     psz_broadcast++;
 662                 }
 663
 664                 if( *psz_broadcast )
 665                 {
 666                     *psz_broadcast = '\0';
 667                     psz_broadcast++;
 668                     while( *psz_broadcast && *psz_broadcast == ':' )
 669                     {
 670                         psz_broadcast++;
 671                     }
 672                 }
 673                 else
 674                 {
 675                     psz_broadcast = NULL;
 676                 }
 677
 678                 /* port before broadcast address */
 679                 if( *psz_port != ':' )
 680                 {
 681                     i_port = atoi( psz_port );
 682                 }
 683             }
 684         }
 685         else
 686         {
 687             psz_server = NULL;
 688         }
 689     }
 690
 691     /* Check that we got a valid server */
 692     if( psz_server == NULL )
 693     {
 694         psz_server = main_GetPszVariable( INPUT_SERVER_VAR,
 695                                           INPUT_SERVER_DEFAULT );
 696     }
 697
 698     /* Check that we got a valid port */
 699     if( i_port == 0 )
 700     {
 701         i_port = main_GetIntVariable( INPUT_PORT_VAR, INPUT_PORT_DEFAULT );
 702     }
 703
 704     if( psz_broadcast == NULL )
 705     {
 706         /* Are we broadcasting ? */
 707         if( main_GetIntVariable( INPUT_BROADCAST_VAR,
 708                                  INPUT_BROADCAST_DEFAULT ) )
 709         {
 710             psz_broadcast = main_GetPszVariable( INPUT_BCAST_ADDR_VAR,
 711                                                  INPUT_BCAST_ADDR_DEFAULT );
 712         }
 713         else
 714         {
 715            psz_broadcast = NULL;
 716         }
 717     }
 718
 719     intf_WarnMsg( 2, "input: server: %s port: %d broadcast: %s",
 720                      psz_server, i_port, psz_broadcast );
 721
 722     /* Open a SOCK_DGRAM (UDP) socket, in the AF_INET domain, automatic (0)
 723      * protocol */
 724     p_input->i_handle = socket( AF_INET, SOCK_DGRAM, 0 );
 725     if( p_input->i_handle == -1 )
 726     {
 727         intf_ErrMsg("input error: can't create socket : %s", strerror(errno));
 728         p_input->b_error = 1;
 729         return;
 730     }
 731
 732     /* We may want to reuse an already used socket */
 733     i_opt = 1;
 734     if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_REUSEADDR,
 735                     (void*) &i_opt, sizeof( i_opt ) ) == -1 )
 736     {
 737         intf_ErrMsg( "input error: can't configure socket (SO_REUSEADDR: %s)",
 738                      strerror(errno));
 739         close( p_input->i_handle );
 740         p_input->b_error = 1;
 741         return;
 742     }
 743
 744     /* Increase the receive buffer size to 1/2MB (8Mb/s during 1/2s) to avoid
 745      * packet loss caused by scheduling problems */
 746     i_opt = 0x80000;
 747     if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_RCVBUF,
 748                     (void*) &i_opt, sizeof( i_opt ) ) == -1 )
 749     {
 750         intf_ErrMsg( "input error: can't configure socket (SO_RCVBUF: %s)",
 751                      strerror(errno));
 752         close( p_input->i_handle );
 753         p_input->b_error = 1;
 754         return;
 755     }
 756
 757     /* Build the local socket */
 758     if ( network_BuildLocalAddr( &sock, i_port, psz_broadcast ) == -1 )
 759     {
 760         intf_ErrMsg( "input error: can't build local address" );
 761         close( p_input->i_handle );
 762         p_input->b_error = 1;
 763         return;
 764     }
 765
 766     /* Bind it */
 767     if( bind( p_input->i_handle, (struct sockaddr *)&sock,
 768               sizeof( sock ) ) < 0 )
 769     {
 770         intf_ErrMsg("input error: can't bind socket (%s)", strerror(errno));
 771         close( p_input->i_handle );
 772         p_input->b_error = 1;
 773         return;
 774     }
 775
 776     /* Build socket for remote connection */
 777     if ( network_BuildRemoteAddr( &sock, psz_server ) == -1 )
 778     {
 779         intf_ErrMsg( "input error: can't build remote address" );
 780         close( p_input->i_handle );
 781         p_input->b_error = 1;
 782         return;
 783     }
 784
 785     /* And connect it ... should we really connect ? */
 786     if( connect( p_input->i_handle, (struct sockaddr *) &sock,
 787                  sizeof( sock ) ) == (-1) )
 788     {
 789         intf_ErrMsg( "input error: can't connect socket, %s",
 790                      strerror(errno) );
 791         close( p_input->i_handle );
 792         p_input->b_error = 1;
 793         return;
 794     }
 795
 796     /* We can't pace control, but FIXME : bug in meuuh's code to sync PCR
 797      * with the server. */
 798     p_input->stream.b_pace_control = 0;
 799     p_input->stream.b_seekable = 0;
 800
 801     intf_WarnMsg( 3, "input: successfully opened network mode" );
 802
 803     return;
 804 }
 805
 806 /*****************************************************************************
 807  * NetworkClose : close a network socket
 808  *****************************************************************************/
 809 static void NetworkClose( input_thread_t * p_input )
 810 {
 811     close( p_input->i_handle );
 812
 813 #ifdef WIN32
 814     WSACleanup();
 815 #endif
 816
 817 }
 818 #endif
 819