1 /*****************************************************************************
2 * input.c: input thread
3 * Read an MPEG2 stream, demultiplex and parse it before sending it to
5 *****************************************************************************
6 * Copyright (C) 1998, 1999, 2000 VideoLAN
7 * $Id: input.c,v 1.149 2001/11/02 13:30:38 massiot Exp $
9 * Authors: Christophe Massiot <massiot@via.ecp.fr>
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.
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.
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 *****************************************************************************/
26 /*****************************************************************************
28 *****************************************************************************/
32 #include <sys/types.h>
38 #elif defined( _MSC_VER ) && defined( _WIN32 )
45 #ifdef STRNCASECMP_IN_STRINGS_H
51 # include <winsock2.h>
52 #elif !defined( SYS_BEOS ) && !defined( SYS_NTO )
53 # include <netdb.h> /* hostent ... */
54 # include <sys/socket.h>
55 # include <netinet/in.h>
56 # include <arpa/inet.h>
57 # include <sys/types.h>
58 # include <sys/socket.h>
61 #ifdef HAVE_SYS_TIMES_H
62 # include <sys/times.h>
73 #include "intf_playlist.h"
75 #include "stream_control.h"
76 #include "input_ext-intf.h"
77 #include "input_ext-dec.h"
78 #include "input_ext-plugins.h"
80 #include "interface.h"
84 /*****************************************************************************
86 *****************************************************************************/
87 static void RunThread ( input_thread_t *p_input );
88 static int InitThread ( input_thread_t *p_input );
89 static void ErrorThread ( input_thread_t *p_input );
90 static void CloseThread ( input_thread_t *p_input );
91 static void DestroyThread ( input_thread_t *p_input );
92 static void EndThread ( input_thread_t *p_input );
94 static void FileOpen ( input_thread_t *p_input );
95 static void StdOpen ( input_thread_t *p_input );
96 static void FileClose ( input_thread_t *p_input );
97 #if !defined( SYS_BEOS ) && !defined( SYS_NTO )
98 static void NetworkOpen ( input_thread_t *p_input );
99 static void HTTPOpen ( input_thread_t *p_input );
100 static void NetworkClose ( input_thread_t *p_input );
103 /*****************************************************************************
104 * input_CreateThread: creates a new input thread
105 *****************************************************************************
106 * This function creates a new input, and returns a pointer
107 * to its description. On error, it returns NULL.
108 * If pi_status is NULL, then the function will block until the thread is ready.
109 * If not, it will be updated using one of the THREAD_* constants.
110 *****************************************************************************/
111 input_thread_t *input_CreateThread ( playlist_item_t *p_item, int *pi_status )
113 input_thread_t * p_input; /* thread descriptor */
114 int i_status; /* thread status */
116 /* Allocate descriptor */
117 p_input = (input_thread_t *)malloc( sizeof(input_thread_t) );
118 if( p_input == NULL )
120 intf_ErrMsg( "input error: can't allocate input thread (%s)",
125 /* Packets read once */
126 p_input->i_read_once = INPUT_READ_ONCE;
128 /* Initialize thread properties */
130 p_input->b_error = 0;
134 p_input->p_source = p_item->psz_name;
136 /* I have never understood that stuff --Meuuh */
137 p_input->pi_status = (pi_status != NULL) ? pi_status : &i_status;
138 *p_input->pi_status = THREAD_CREATE;
140 /* Initialize stream description */
141 p_input->stream.i_es_number = 0;
142 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;
146 p_input->stream.i_mux_rate = 0;
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;
154 /* By default there is one area in a stream */
155 input_AddArea( p_input );
156 p_input->stream.p_selected_area = p_input->stream.pp_areas[0];
158 /* Initialize stream control properties. */
159 p_input->stream.control.i_status = PLAYING_S;
160 p_input->stream.control.i_rate = DEFAULT_RATE;
161 p_input->stream.control.b_mute = 0;
162 p_input->stream.control.b_grayscale = main_GetIntVariable(
163 VOUT_GRAYSCALE_VAR, VOUT_GRAYSCALE_DEFAULT );
164 p_input->stream.control.i_smp = main_GetIntVariable(
165 VDEC_SMP_VAR, VDEC_SMP_DEFAULT );
167 intf_WarnMsg( 1, "input: playlist item `%s'", p_input->p_source );
170 if( vlc_thread_create( &p_input->thread_id, "input", (void *) RunThread,
173 intf_ErrMsg( "input error: can't create input thread (%s)",
179 /* If status is NULL, wait until the thread is created */
180 if( pi_status == NULL )
184 msleep( THREAD_SLEEP );
185 } while( (i_status != THREAD_READY) && (i_status != THREAD_ERROR)
186 && (i_status != THREAD_FATAL) );
187 if( i_status != THREAD_READY )
195 /*****************************************************************************
196 * input_DestroyThread: mark an input thread as zombie
197 *****************************************************************************
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 )
202 int i_status; /* thread status */
205 p_input->pi_status = (pi_status != NULL) ? pi_status : &i_status;
206 *p_input->pi_status = THREAD_DESTROY;
208 /* Request thread destruction */
211 /* Make the thread exit of an eventual vlc_cond_wait() */
212 vlc_mutex_lock( &p_input->stream.stream_lock );
213 vlc_cond_signal( &p_input->stream.stream_wait );
214 vlc_mutex_unlock( &p_input->stream.stream_lock );
216 /* If status is NULL, wait until thread has been destroyed */
217 if( pi_status == NULL )
221 msleep( THREAD_SLEEP );
222 } while ( (i_status != THREAD_OVER) && (i_status != THREAD_ERROR)
223 && (i_status != THREAD_FATAL) );
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 )
235 data_packet_t ** pp_packets;
237 if( InitThread( p_input ) )
239 /* If we failed, wait before we are killed, and exit */
240 *p_input->pi_status = THREAD_ERROR;
241 p_input->b_error = 1;
242 ErrorThread( p_input );
243 DestroyThread( p_input );
247 /* initialization is completed */
248 vlc_mutex_lock( &p_input->stream.stream_lock );
249 p_input->stream.b_changed = 1;
250 vlc_mutex_unlock( &p_input->stream.stream_lock );
252 pp_packets = (data_packet_t **) malloc( p_input->i_read_once *
253 sizeof( data_packet_t * ) );
254 if( pp_packets == NULL )
256 intf_ErrMsg( "input error: out of memory" );
258 p_input->b_error = 1;
261 while( !p_input->b_die && !p_input->b_error && !p_input->b_eof )
265 vlc_mutex_lock( &p_input->stream.stream_lock );
267 if( p_input->stream.p_new_area )
269 if( p_input->stream.b_seekable && p_input->pf_set_area != NULL )
272 p_input->pf_set_area( p_input, p_input->stream.p_new_area );
274 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
276 pgrm_descriptor_t * p_pgrm
277 = p_input->stream.pp_programs[i];
278 /* Escape all decoders for the stream discontinuity they
280 input_EscapeDiscontinuity( p_input, p_pgrm );
282 /* Reinitialize synchro. */
283 p_pgrm->i_synchro_state = SYNCHRO_REINIT;
286 p_input->stream.p_new_area = NULL;
289 if( p_input->stream.p_selected_area->i_seek != NO_SEEK )
291 if( p_input->stream.b_seekable && p_input->pf_seek != NULL )
293 p_input->pf_seek( p_input,
294 p_input->stream.p_selected_area->i_seek );
296 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
298 pgrm_descriptor_t * p_pgrm
299 = p_input->stream.pp_programs[i];
300 /* Escape all decoders for the stream discontinuity they
302 input_EscapeDiscontinuity( p_input, p_pgrm );
304 /* Reinitialize synchro. */
305 p_pgrm->i_synchro_state = SYNCHRO_REINIT;
308 p_input->stream.p_selected_area->i_seek = NO_SEEK;
311 if( p_input->stream.p_removed_es )
313 input_UnselectES( p_input, p_input->stream.p_removed_es );
314 p_input->stream.p_removed_es = NULL;
317 if( p_input->stream.p_newly_selected_es )
319 input_SelectES( p_input, p_input->stream.p_newly_selected_es );
320 p_input->stream.p_newly_selected_es = NULL;
323 if( p_input->stream.b_new_mute != MUTE_NO_CHANGE )
325 if( p_input->stream.b_new_mute )
327 input_EscapeAudioDiscontinuity( p_input );
330 vlc_mutex_lock( &p_input->stream.control.control_lock );
331 p_input->stream.control.b_mute = p_input->stream.b_new_mute;
332 vlc_mutex_unlock( &p_input->stream.control.control_lock );
334 p_input->stream.b_new_mute = MUTE_NO_CHANGE;
337 vlc_mutex_unlock( &p_input->stream.stream_lock );
339 i_error = p_input->pf_read( p_input, pp_packets );
341 /* Demultiplex read packets. */
342 for( i = 0; i < p_input->i_read_once && pp_packets[i] != NULL; i++ )
344 p_input->stream.c_packets_read++;
345 p_input->pf_demux( p_input, pp_packets[i] );
352 /* End of file - we do not set b_die because only the
353 * interface is allowed to do so. */
354 intf_WarnMsg( 3, "input: EOF reached" );
359 p_input->b_error = 1;
366 if( p_input->b_error || p_input->b_eof )
368 ErrorThread( p_input );
371 EndThread( p_input );
373 DestroyThread( p_input );
375 intf_DbgMsg("input: Thread end");
378 /*****************************************************************************
379 * InitThread: init the input Thread
380 *****************************************************************************/
381 static int InitThread( input_thread_t * p_input )
384 /* Initialize statistics */
385 p_input->c_loops = 0;
386 p_input->stream.c_packets_read = 0;
387 p_input->stream.c_packets_trashed = 0;
388 p_input->p_stream = NULL;
391 vlc_mutex_init( &p_input->stream.stream_lock );
392 vlc_cond_init( &p_input->stream.stream_wait );
393 vlc_mutex_init( &p_input->stream.control.control_lock );
395 /* Find appropriate module. */
396 p_input->p_input_module = module_Need( MODULE_CAPABILITY_INPUT,
397 (probedata_t *)p_input );
399 if( p_input->p_input_module == NULL )
401 intf_ErrMsg( "input error: no suitable input module for `%s'",
406 #define f p_input->p_input_module->p_functions->input.functions.input
407 p_input->pf_init = f.pf_init;
408 p_input->pf_end = f.pf_end;
409 p_input->pf_init_bit_stream= f.pf_init_bit_stream;
410 p_input->pf_read = f.pf_read;
411 p_input->pf_set_area = f.pf_set_area;
412 p_input->pf_demux = f.pf_demux;
413 p_input->pf_new_packet = f.pf_new_packet;
414 p_input->pf_new_pes = f.pf_new_pes;
415 p_input->pf_delete_packet = f.pf_delete_packet;
416 p_input->pf_delete_pes = f.pf_delete_pes;
417 p_input->pf_rewind = f.pf_rewind;
418 p_input->pf_seek = f.pf_seek;
420 #if !defined( SYS_BEOS ) && !defined( SYS_NTO )
421 /* FIXME : this is waaaay too kludgy */
422 if( ( strlen( p_input->p_source ) > 3)
423 && !strncasecmp( p_input->p_source, "ts:", 3 ) )
426 NetworkOpen( p_input );
427 p_input->stream.i_method = INPUT_METHOD_NETWORK;
429 else if( ( strlen( p_input->p_source ) > 5 )
430 && !strncasecmp( p_input->p_source, "http:", 5 ) )
434 p_input->stream.i_method = INPUT_METHOD_NETWORK;
438 if( ( strlen( p_input->p_source ) > 4 )
439 && !strncasecmp( p_input->p_source, "dvd:", 4 ) )
441 /* DVD - this is THE kludge */
442 f.pf_open( p_input );
443 p_input->stream.i_method = INPUT_METHOD_DVD;
445 else if( ( strlen( p_input->p_source ) > 4 )
446 && !strncasecmp( p_input->p_source, "vlc:", 4 ) )
448 /* Dummy input - very kludgy */
449 f.pf_open( p_input );
451 else if( ( strlen( p_input->p_source ) == 1 )
452 && *p_input->p_source == '-' )
461 p_input->stream.i_method = INPUT_METHOD_FILE;
465 if( p_input->b_error )
467 /* We barfed -- exit nicely */
468 module_Unneed( p_input->p_input_module );
472 p_input->pf_init( p_input );
474 if( p_input->b_error )
476 /* We barfed -- exit nicely */
477 CloseThread( p_input );
478 module_Unneed( p_input->p_input_module );
482 *p_input->pi_status = THREAD_READY;
487 /*****************************************************************************
488 * ErrorThread: RunThread() error loop
489 *****************************************************************************
490 * This function is called when an error occured during thread main's loop.
491 *****************************************************************************/
492 static void ErrorThread( input_thread_t *p_input )
494 while( !p_input->b_die )
497 msleep( INPUT_IDLE_SLEEP );
501 /*****************************************************************************
502 * EndThread: end the input thread
503 *****************************************************************************/
504 static void EndThread( input_thread_t * p_input )
506 int * pi_status; /* thread status */
509 pi_status = p_input->pi_status;
510 *pi_status = THREAD_END;
512 if( p_main->b_stats )
514 #ifdef HAVE_SYS_TIMES_H
515 /* Display statistics */
516 struct tms cpu_usage;
519 intf_StatMsg( "input stats: %d loops consuming user: %d, system: %d",
521 cpu_usage.tms_utime, cpu_usage.tms_stime );
523 intf_StatMsg( "input stats: %d loops", p_input->c_loops );
526 input_DumpStream( p_input );
529 /* Free all ES and destroy all decoder threads */
530 input_EndStream( p_input );
532 /* Free demultiplexer's data */
533 p_input->pf_end( p_input );
535 /* Close the input method */
536 CloseThread( p_input );
538 /* Release modules */
539 module_Unneed( p_input->p_input_module );
543 /*****************************************************************************
544 * CloseThread: close the target
545 *****************************************************************************/
546 static void CloseThread( input_thread_t * p_input )
548 #define f p_input->p_input_module->p_functions->input.functions.input
550 #if !defined( SYS_BEOS ) && !defined( SYS_NTO )
552 if( ( strlen( p_input->p_source ) > 3)
553 && !strncasecmp( p_input->p_source, "ts:", 3 ) )
555 NetworkClose( p_input );
557 else if( ( strlen( p_input->p_source ) > 5 )
558 && !strncasecmp( p_input->p_source, "http:", 5 ) )
560 NetworkClose( p_input );
564 if( ( strlen( p_input->p_source ) > 4 )
565 && !strncasecmp( p_input->p_source, "dvd:", 4 ) )
567 f.pf_close( p_input );
569 else if( ( strlen( p_input->p_source ) > 4 )
570 && !strncasecmp( p_input->p_source, "vlc:", 4 ) )
572 f.pf_close( p_input );
576 FileClose( p_input );
581 /*****************************************************************************
582 * DestroyThread: destroy the input thread
583 *****************************************************************************/
584 static void DestroyThread( input_thread_t * p_input )
586 int * pi_status; /* thread status */
589 pi_status = p_input->pi_status;
591 /* Destroy Mutex locks */
592 vlc_mutex_destroy( &p_input->stream.control.control_lock );
593 vlc_mutex_destroy( &p_input->stream.stream_lock );
595 /* Free input structure */
599 *pi_status = THREAD_OVER;
602 /*****************************************************************************
603 * StdOpen : open standard input
604 *****************************************************************************/
605 static void StdOpen( input_thread_t * p_input )
607 vlc_mutex_lock( &p_input->stream.stream_lock );
609 /* Suppose we can control the pace - this won't work in some cases ! */
610 p_input->stream.b_pace_control = 1;
612 p_input->stream.b_seekable = 0;
613 p_input->stream.p_selected_area->i_size = 0;
614 p_input->stream.p_selected_area->i_tell = 0;
615 vlc_mutex_unlock( &p_input->stream.stream_lock );
617 intf_WarnMsg( 2, "input: opening stdin" );
618 p_input->i_handle = 0;
621 /*****************************************************************************
622 * FileOpen : open a file descriptor
623 *****************************************************************************/
624 static void FileOpen( input_thread_t * p_input )
626 struct stat stat_info;
629 char *psz_name = p_input->p_source;
631 if( ( i_stat = stat( psz_name, &stat_info ) ) == (-1) )
633 int i_size = strlen( psz_name );
636 && !strncasecmp( psz_name, "dvd:", 4 ) )
638 /* get rid of the 'dvd:' stuff and try again */
640 i_stat = stat( psz_name, &stat_info );
642 else if( ( i_size > 4 )
643 && !strncasecmp( psz_name, "vcd:", 4 ) )
645 /* get rid of the 'vcd:' stuff and try again */
647 i_stat = stat( psz_name, &stat_info );
649 else if( ( i_size > 5 )
650 && !strncasecmp( psz_name, "file:", 5 ) )
652 /* get rid of the 'file:' stuff and try again */
654 i_stat = stat( psz_name, &stat_info );
659 intf_ErrMsg( "input error: cannot stat() file `%s' (%s)",
660 psz_name, strerror(errno));
661 p_input->b_error = 1;
666 vlc_mutex_lock( &p_input->stream.stream_lock );
668 /* If we are here we can control the pace... */
669 p_input->stream.b_pace_control = 1;
671 if( S_ISREG(stat_info.st_mode) || S_ISCHR(stat_info.st_mode)
672 || S_ISBLK(stat_info.st_mode) )
674 p_input->stream.b_seekable = 1;
675 p_input->stream.p_selected_area->i_size = stat_info.st_size;
677 else if( S_ISFIFO(stat_info.st_mode)
678 #if !defined( SYS_BEOS ) && !defined( WIN32 )
679 || S_ISSOCK(stat_info.st_mode)
683 p_input->stream.b_seekable = 0;
684 p_input->stream.p_selected_area->i_size = 0;
688 vlc_mutex_unlock( &p_input->stream.stream_lock );
689 intf_ErrMsg( "input error: unknown file type for `%s'",
691 p_input->b_error = 1;
695 p_input->stream.p_selected_area->i_tell = 0;
696 vlc_mutex_unlock( &p_input->stream.stream_lock );
698 intf_WarnMsg( 2, "input: opening file `%s'", p_input->p_source );
699 if( (p_input->i_handle = open( psz_name,
700 /*O_NONBLOCK | O_LARGEFILE*/0 )) == (-1) )
702 intf_ErrMsg( "input error: cannot open file (%s)", strerror(errno) );
703 p_input->b_error = 1;
709 /*****************************************************************************
710 * FileClose : close a file descriptor
711 *****************************************************************************/
712 static void FileClose( input_thread_t * p_input )
714 intf_WarnMsg( 2, "input: closing file `%s'", p_input->p_source );
716 close( p_input->i_handle );
721 #if !defined( SYS_BEOS ) && !defined( SYS_NTO )
722 /*****************************************************************************
723 * NetworkOpen : open a network socket
724 *****************************************************************************/
725 static void NetworkOpen( input_thread_t * p_input )
727 char *psz_server = NULL;
728 char *psz_broadcast = NULL;
732 struct sockaddr_in sock;
733 unsigned int i_mc_group;
741 /* WinSock Library Init. */
742 i_err = WSAStartup( MAKEWORD( 1, 1 ), &Data );
746 intf_ErrMsg( "input: can't initiate WinSocks, error %i", i_err );
751 /* Get the remote server */
752 if( p_input->p_source != NULL )
754 psz_server = p_input->p_source;
756 /* Skip the protocol name */
757 while( *psz_server && *psz_server != ':' )
762 /* Skip the "://" part */
763 while( *psz_server && (*psz_server == ':' || *psz_server == '/') )
768 /* Found a server name */
771 char *psz_port = psz_server;
773 /* Skip the hostname part */
774 while( *psz_port && *psz_port != ':' && *psz_port != '/' )
779 /* Found a port name or a broadcast addres */
782 /* That's a port name */
783 if( *psz_port == ':' )
787 i_port = atoi( psz_port );
790 /* Search for '/' just after the port in case
791 * we also have a broadcast address */
792 psz_broadcast = psz_port;
793 while( *psz_broadcast && *psz_broadcast != '/' )
800 *psz_broadcast = '\0';
802 while( *psz_broadcast && *psz_broadcast == '/' )
809 psz_broadcast = NULL;
819 /* Check that we got a valid server */
820 if( psz_server == NULL )
822 psz_server = main_GetPszVariable( INPUT_SERVER_VAR,
823 INPUT_SERVER_DEFAULT );
826 /* Check that we got a valid port */
829 i_port = main_GetIntVariable( INPUT_PORT_VAR, INPUT_PORT_DEFAULT );
832 if( psz_broadcast == NULL )
834 /* Are we broadcasting ? */
835 if( main_GetIntVariable( INPUT_BROADCAST_VAR,
836 INPUT_BROADCAST_DEFAULT ) )
838 psz_broadcast = main_GetPszVariable( INPUT_BCAST_ADDR_VAR,
839 INPUT_BCAST_ADDR_DEFAULT );
843 psz_broadcast = NULL;
847 intf_WarnMsg( 2, "input: server=%s port=%d broadcast=%s",
848 psz_server, i_port, psz_broadcast );
850 /* Open a SOCK_DGRAM (UDP) socket, in the AF_INET domain, automatic (0)
852 p_input->i_handle = socket( AF_INET, SOCK_DGRAM, 0 );
853 if( p_input->i_handle == -1 )
855 intf_ErrMsg( "input error: can't create socket (%s)", strerror(errno) );
856 p_input->b_error = 1;
860 /* We may want to reuse an already used socket */
862 if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_REUSEADDR,
863 (void *) &i_opt, sizeof( i_opt ) ) == -1 )
865 intf_ErrMsg( "input error: can't configure socket (SO_REUSEADDR: %s)",
867 close( p_input->i_handle );
868 p_input->b_error = 1;
872 /* Increase the receive buffer size to 1/2MB (8Mb/s during 1/2s) to avoid
873 * packet loss caused by scheduling problems */
875 if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_RCVBUF,
876 (void *) &i_opt, sizeof( i_opt ) ) == -1 )
878 intf_ErrMsg( "input error: can't configure socket (SO_RCVBUF: %s)",
880 close( p_input->i_handle );
881 p_input->b_error = 1;
885 /* Check if we really got what we have asked for, because Linux, etc.
886 * will silently limit the max buffer size to net.core.rmem_max which
887 * is typically only 65535 bytes */
889 i_opt_size = sizeof( i_opt );
890 if( getsockopt( p_input->i_handle, SOL_SOCKET, SO_RCVBUF,
891 (void*) &i_opt, &i_opt_size ) == -1 )
893 intf_ErrMsg( "input error: can't configure socket (SO_RCVBUF: %s)",
895 close( p_input->i_handle );
896 p_input->b_error = 1;
900 if( i_opt < 0x80000 )
902 intf_WarnMsg( 1, "input warning: socket receive buffer size just 0x%x"
903 " instead of 0x%x bytes.", i_opt, 0x80000 );
906 /* Build the local socket */
907 if ( network_BuildLocalAddr( &sock, i_port, psz_broadcast ) == -1 )
909 intf_ErrMsg( "input error: can't build local address" );
910 close( p_input->i_handle );
911 p_input->b_error = 1;
915 /* Required for IP_ADD_MEMBERSHIP */
916 i_mc_group = sock.sin_addr.s_addr;
919 if ( psz_broadcast != NULL )
921 sock.sin_addr.s_addr = INADDR_ANY;
924 #define IN_MULTICAST(a) IN_CLASSD(a)
928 if( bind( p_input->i_handle, (struct sockaddr *)&sock,
929 sizeof( sock ) ) < 0 )
931 intf_ErrMsg( "input error: can't bind socket (%s)", strerror(errno) );
932 close( p_input->i_handle );
933 p_input->b_error = 1;
937 /* Join the multicast group if the socket is a multicast address */
940 if( IN_MULTICAST( ntohl(i_mc_group) ) )
944 imr.imr_interface.s_addr = htonl(INADDR_ANY);
945 imr.imr_multiaddr.s_addr = i_mc_group;
946 if( setsockopt( p_input->i_handle, IPPROTO_IP, IP_ADD_MEMBERSHIP,
947 (char*)&imr, sizeof(struct ip_mreq) ) == -1 )
949 intf_ErrMsg( "input error: failed to join IP multicast group (%s)",
951 close( p_input->i_handle);
952 p_input->b_error = 1;
958 /* Build socket for remote connection */
959 if ( network_BuildRemoteAddr( &sock, psz_server ) == -1 )
961 intf_ErrMsg( "input error: can't build remote address" );
962 close( p_input->i_handle );
963 p_input->b_error = 1;
967 /* Only connect if the user has passed a valid host */
968 if( sock.sin_addr.s_addr != INADDR_ANY )
970 /* Connect the socket */
971 if( connect( p_input->i_handle, (struct sockaddr *) &sock,
972 sizeof( sock ) ) == (-1) )
974 intf_ErrMsg( "input error: can't connect socket (%s)",
976 close( p_input->i_handle );
977 p_input->b_error = 1;
982 p_input->stream.b_pace_control = 0;
983 p_input->stream.b_seekable = 0;
985 intf_WarnMsg( 3, "input: successfully opened network mode" );
990 /*****************************************************************************
991 * NetworkClose : close a network socket
992 *****************************************************************************/
993 static void NetworkClose( input_thread_t * p_input )
995 close( p_input->i_handle );
1002 /*****************************************************************************
1003 * HTTPOpen : make an HTTP request
1004 *****************************************************************************/
1005 static void HTTPOpen( input_thread_t * p_input )
1007 char *psz_server = NULL;
1008 char *psz_path = NULL;
1012 struct sockaddr_in sock;
1013 char psz_buffer[256];
1021 /* WinSock Library Init. */
1022 i_err = WSAStartup( MAKEWORD( 1, 1 ), &Data );
1026 intf_ErrMsg( "input: can't initiate WinSocks, error %i", i_err );
1031 /* Get the remote server */
1032 if( p_input->p_source != NULL )
1034 psz_server = p_input->p_source;
1036 /* Skip the protocol name */
1037 while( *psz_server && *psz_server != ':' )
1042 /* Skip the "://" part */
1043 while( *psz_server && (*psz_server == ':' || *psz_server == '/') )
1048 /* Found a server name */
1051 char *psz_port = psz_server;
1053 /* Skip the hostname part */
1054 while( *psz_port && *psz_port != ':' && *psz_port != '/' )
1059 /* Found a port name */
1062 if( *psz_port == ':' )
1064 /* Replace ':' with '\0' */
1069 psz_path = psz_port;
1070 while( *psz_path && *psz_path != '/' )
1085 if( *psz_port != '\0' )
1087 i_port = atoi( psz_port );
1097 /* Check that we got a valid server */
1098 if( psz_server == NULL )
1100 intf_ErrMsg( "input error: No server given" );
1101 p_input->b_error = 1;
1105 /* Check that we got a valid port */
1108 i_port = 80; /* FIXME */
1111 intf_WarnMsg( 2, "input: server=%s port=%d path=%s", psz_server,
1114 /* Open a SOCK_STREAM (TCP) socket, in the AF_INET domain, automatic (0)
1116 p_input->i_handle = socket( AF_INET, SOCK_STREAM, 0 );
1117 if( p_input->i_handle == -1 )
1119 intf_ErrMsg( "input error: can't create socket (%s)", strerror(errno) ); p_input->b_error = 1;
1123 /* We may want to reuse an already used socket */
1125 if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_REUSEADDR,
1126 (void *) &i_opt, sizeof( i_opt ) ) == -1 )
1128 intf_ErrMsg( "input error: can't configure socket (SO_REUSEADDR: %s)",
1130 close( p_input->i_handle );
1131 p_input->b_error = 1;
1136 if( (psz_proxy = main_GetPszVariable( "http_proxy", NULL )) != NULL )
1138 /* http://myproxy.mydomain:myport/ */
1139 int i_proxy_port = 0;
1141 /* Skip the protocol name */
1142 while( *psz_proxy && *psz_proxy != ':' )
1147 /* Skip the "://" part */
1148 while( *psz_proxy && (*psz_proxy == ':' || *psz_proxy == '/') )
1153 /* Found a proxy name */
1156 char *psz_port = psz_proxy;
1158 /* Skip the hostname part */
1159 while( *psz_port && *psz_port != ':' && *psz_port != '/' )
1164 /* Found a port name */
1169 /* Replace ':' with '\0' */
1173 psz_junk = psz_port;
1174 while( *psz_junk && *psz_junk != '/' )
1184 if( *psz_port != '\0' )
1186 i_proxy_port = atoi( psz_port );
1192 intf_ErrMsg( "input error: http_proxy environment variable is invalid !" );
1193 close( p_input->i_handle );
1194 p_input->b_error = 1;
1198 /* Build socket for proxy connection */
1199 if ( network_BuildRemoteAddr( &sock, psz_proxy ) == -1 )
1201 intf_ErrMsg( "input error: can't build remote address" );
1202 close( p_input->i_handle );
1203 p_input->b_error = 1;
1206 sock.sin_port = htons( i_proxy_port );
1210 /* No proxy, direct connection */
1211 if ( network_BuildRemoteAddr( &sock, psz_server ) == -1 )
1213 intf_ErrMsg( "input error: can't build remote address" );
1214 close( p_input->i_handle );
1215 p_input->b_error = 1;
1218 sock.sin_port = htons( i_port );
1221 /* Connect the socket */
1222 if( connect( p_input->i_handle, (struct sockaddr *) &sock,
1223 sizeof( sock ) ) == (-1) )
1225 intf_ErrMsg( "input error: can't connect socket (%s)",
1227 close( p_input->i_handle );
1228 p_input->b_error = 1;
1232 p_input->stream.b_seekable = 0;
1233 p_input->stream.b_pace_control = 1; /* TCP/IP... */
1235 # define HTTP_USERAGENT "User-Agent: " COPYRIGHT_MESSAGE "\r\n"
1236 # define HTTP_END "\r\n"
1238 /* Prepare GET ... */
1239 if( psz_proxy != NULL )
1241 snprintf( psz_buffer, sizeof(psz_buffer),
1242 "GET http://%s:%d/%s HTTP/1.0\r\n"
1243 HTTP_USERAGENT HTTP_END,
1244 psz_server, i_port, psz_path );
1248 snprintf( psz_buffer, sizeof(psz_buffer),
1249 "GET /%s HTTP/1.0\r\nHost: %s\r\n"
1250 HTTP_USERAGENT HTTP_END,
1251 psz_path, psz_server );
1253 psz_buffer[sizeof(psz_buffer) - 1] = '\0';
1256 if( write( p_input->i_handle, psz_buffer, strlen( psz_buffer ) ) == (-1) )
1258 intf_ErrMsg( "input error: can't send request (%s)", strerror(errno) );
1259 close( p_input->i_handle );
1260 p_input->b_error = 1;
1264 /* Read HTTP header - this is gonna be fun with plug-ins which do not
1265 * use p_input->p_stream :-( */
1266 if( (p_input->p_stream = fdopen( p_input->i_handle, "r+" )) == NULL )
1268 intf_ErrMsg( "input error: can't reopen socket (%s)", strerror(errno) );
1269 close( p_input->i_handle );
1270 p_input->b_error = 1;
1274 while( !feof( p_input->p_stream ) && !ferror( p_input->p_stream ) )
1276 if( fgets( psz_buffer, sizeof(psz_buffer), p_input->p_stream ) == NULL
1277 || *psz_buffer == '\r' || *psz_buffer == '\0' )
1281 /* FIXME : check Content-Type one day */
1284 intf_WarnMsg( 3, "input: successfully opened HTTP mode" );
1287 #endif /* !defined( SYS_BEOS ) && !defined( SYS_NTO ) */