1 /*****************************************************************************
2 * input.c: input thread
3 * Read an MPEG2 stream, demultiplex and parse it before sending it to
5 *****************************************************************************
6 * Copyright (C) 1998-2001 VideoLAN
7 * $Id: input.c,v 1.178 2002/02/26 17:22:12 xav 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 *****************************************************************************/
30 #include <sys/types.h>
34 #include <videolan/vlc.h>
38 #elif defined( _MSC_VER ) && defined( _WIN32 )
45 #ifdef STRNCASECMP_IN_STRINGS_H
50 # include <winsock2.h>
51 # include <ws2tcpip.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 # ifdef HAVE_ARPA_INET_H
57 # include <arpa/inet.h> /* inet_ntoa(), inet_aton() */
61 #ifdef HAVE_SYS_TIMES_H
62 # include <sys/times.h>
67 #include "intf_playlist.h"
69 #include "stream_control.h"
70 #include "input_ext-intf.h"
71 #include "input_ext-dec.h"
72 #include "input_ext-plugins.h"
74 #include "interface.h"
76 /*****************************************************************************
78 *****************************************************************************/
79 static int RunThread ( input_thread_t *p_input );
80 static int InitThread ( input_thread_t *p_input );
81 static void ErrorThread ( input_thread_t *p_input );
82 static void CloseThread ( input_thread_t *p_input );
83 static void DestroyThread ( input_thread_t *p_input );
84 static void EndThread ( input_thread_t *p_input );
86 static void FileOpen ( input_thread_t *p_input );
87 static void StdOpen ( input_thread_t *p_input );
88 static void FileClose ( input_thread_t *p_input );
89 #if !defined( SYS_BEOS ) && !defined( SYS_NTO )
90 static void NetworkOpen ( input_thread_t *p_input );
91 static void HTTPOpen ( input_thread_t *p_input );
92 static void NetworkClose ( input_thread_t *p_input );
95 /*****************************************************************************
96 * input_InitBank: initialize the input bank.
97 *****************************************************************************/
98 void input_InitBank ( void )
100 p_input_bank->i_count = 0;
102 /* XXX: Workaround for old interface modules */
103 p_input_bank->pp_input[0] = NULL;
105 vlc_mutex_init( &p_input_bank->lock );
108 /*****************************************************************************
109 * input_EndBank: empty the input bank.
110 *****************************************************************************
111 * This function ends all unused inputs and empties the bank in
113 *****************************************************************************/
114 void input_EndBank ( void )
118 /* Ask all remaining video outputs to die */
119 for( i_input = 0; i_input < p_input_bank->i_count; i_input++ )
122 p_input_bank->pp_input[ i_input ], NULL );
124 p_input_bank->pp_input[ i_input ] );
127 vlc_mutex_destroy( &p_input_bank->lock );
130 /*****************************************************************************
131 * input_CreateThread: creates a new input thread
132 *****************************************************************************
133 * This function creates a new input, and returns a pointer
134 * to its description. On error, it returns NULL.
135 * If pi_status is NULL, then the function will block until the thread is ready.
136 * If not, it will be updated using one of the THREAD_* constants.
137 *****************************************************************************/
138 input_thread_t *input_CreateThread ( playlist_item_t *p_item, int *pi_status )
140 input_thread_t * p_input; /* thread descriptor */
142 /* Allocate descriptor */
143 p_input = (input_thread_t *)malloc( sizeof(input_thread_t) );
144 if( p_input == NULL )
146 intf_ErrMsg( "input error: can't allocate input thread (%s)",
151 /* Initialize thread properties */
153 p_input->b_error = 0;
157 p_input->p_source = p_item->psz_name;
160 p_input->i_status = THREAD_CREATE;
162 /* Initialize statistics */
163 p_input->c_loops = 0;
164 p_input->stream.c_packets_read = 0;
165 p_input->stream.c_packets_trashed = 0;
166 p_input->p_stream = NULL;
169 vlc_mutex_init( &p_input->stream.stream_lock );
170 vlc_cond_init( &p_input->stream.stream_wait );
171 vlc_mutex_init( &p_input->stream.control.control_lock );
173 /* Initialize stream description */
174 p_input->stream.b_changed = 0;
175 p_input->stream.i_es_number = 0;
176 p_input->stream.i_selected_es_number = 0;
177 p_input->stream.i_pgrm_number = 0;
178 p_input->stream.i_new_status = p_input->stream.i_new_rate = 0;
179 p_input->stream.b_new_mute = MUTE_NO_CHANGE;
180 p_input->stream.i_mux_rate = 0;
182 /* no stream, no program, no area, no es */
183 p_input->stream.p_new_program = NULL;
185 p_input->stream.i_area_nb = 0;
186 p_input->stream.pp_areas = NULL;
187 p_input->stream.p_selected_area = NULL;
188 p_input->stream.p_new_area = NULL;
190 p_input->stream.pp_selected_es = NULL;
191 p_input->stream.p_removed_es = NULL;
192 p_input->stream.p_newly_selected_es = NULL;
194 /* By default there is one area in a stream */
195 input_AddArea( p_input );
196 p_input->stream.p_selected_area = p_input->stream.pp_areas[0];
198 /* Initialize stream control properties. */
199 p_input->stream.control.i_status = PLAYING_S;
200 p_input->stream.control.i_rate = DEFAULT_RATE;
201 p_input->stream.control.b_mute = 0;
202 p_input->stream.control.b_grayscale = config_GetIntVariable(
203 VOUT_GRAYSCALE_VAR );
204 p_input->stream.control.i_smp = config_GetIntVariable( VDEC_SMP_VAR );
206 intf_WarnMsg( 1, "input: playlist item `%s'", p_input->p_source );
209 if( vlc_thread_create( &p_input->thread_id, "input",
210 (vlc_thread_func_t)RunThread, (void *) p_input ) )
212 intf_ErrMsg( "input error: can't create input thread (%s)",
219 /* If status is NULL, wait until the thread is created */
220 if( pi_status == NULL )
224 msleep( THREAD_SLEEP );
225 } while( (i_status != THREAD_READY) && (i_status != THREAD_ERROR)
226 && (i_status != THREAD_FATAL) );
233 /*****************************************************************************
234 * input_StopThread: mark an input thread as zombie
235 *****************************************************************************
236 * This function should not return until the thread is effectively cancelled.
237 *****************************************************************************/
238 void input_StopThread( input_thread_t *p_input, int *pi_status )
240 /* Make the thread exit from a possible vlc_cond_wait() */
241 vlc_mutex_lock( &p_input->stream.stream_lock );
243 /* Request thread destruction */
246 vlc_cond_signal( &p_input->stream.stream_wait );
247 vlc_mutex_unlock( &p_input->stream.stream_lock );
249 /* If status is NULL, wait until thread has been destroyed */
251 if( pi_status == NULL )
255 msleep( THREAD_SLEEP );
256 } while ( (i_status != THREAD_OVER) && (i_status != THREAD_ERROR)
257 && (i_status != THREAD_FATAL) );
262 /*****************************************************************************
263 * input_DestroyThread: mark an input thread as zombie
264 *****************************************************************************
265 * This function should not return until the thread is effectively cancelled.
266 *****************************************************************************/
267 void input_DestroyThread( input_thread_t *p_input )
269 /* Join the thread */
270 vlc_thread_join( p_input->thread_id );
272 /* Destroy Mutex locks */
273 vlc_mutex_destroy( &p_input->stream.control.control_lock );
274 vlc_cond_destroy( &p_input->stream.stream_wait );
275 vlc_mutex_destroy( &p_input->stream.stream_lock );
277 /* Free input structure */
281 /*****************************************************************************
282 * RunThread: main thread loop
283 *****************************************************************************
284 * Thread in charge of processing the network packets and demultiplexing.
285 *****************************************************************************/
286 static int RunThread( input_thread_t *p_input )
288 if( InitThread( p_input ) )
290 /* If we failed, wait before we are killed, and exit */
291 p_input->i_status = THREAD_ERROR;
292 p_input->b_error = 1;
293 ErrorThread( p_input );
294 DestroyThread( p_input );
298 p_input->i_status = THREAD_READY;
300 /* initialization is complete */
301 vlc_mutex_lock( &p_input->stream.stream_lock );
302 p_input->stream.b_changed = 1;
303 vlc_mutex_unlock( &p_input->stream.stream_lock );
305 while( !p_input->b_die && !p_input->b_error && !p_input->b_eof )
307 data_packet_t * p_data;
312 vlc_mutex_lock( &p_input->stream.stream_lock );
314 if( p_input->stream.p_new_program )
316 if( p_input->pf_set_program != NULL )
319 p_input->pf_set_program( p_input,
320 p_input->stream.p_new_program );
322 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
324 pgrm_descriptor_t * p_pgrm
325 = p_input->stream.pp_programs[i];
326 /* Escape all decoders for the stream discontinuity they
328 input_EscapeDiscontinuity( p_input, p_pgrm );
330 /* Reinitialize synchro. */
331 p_pgrm->i_synchro_state = SYNCHRO_REINIT;
334 p_input->stream.p_new_program = NULL;
337 if( p_input->stream.p_new_area )
339 if( p_input->stream.b_seekable && p_input->pf_set_area != NULL )
342 p_input->pf_set_area( p_input, p_input->stream.p_new_area );
344 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
346 pgrm_descriptor_t * p_pgrm
347 = p_input->stream.pp_programs[i];
348 /* Escape all decoders for the stream discontinuity they
350 input_EscapeDiscontinuity( p_input, p_pgrm );
352 /* Reinitialize synchro. */
353 p_pgrm->i_synchro_state = SYNCHRO_REINIT;
356 p_input->stream.p_new_area = NULL;
359 if( p_input->stream.p_selected_area->i_seek != NO_SEEK )
361 if( p_input->stream.b_seekable && p_input->pf_seek != NULL )
363 p_input->pf_seek( p_input,
364 p_input->stream.p_selected_area->i_seek );
366 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
368 pgrm_descriptor_t * p_pgrm
369 = p_input->stream.pp_programs[i];
370 /* Escape all decoders for the stream discontinuity they
372 input_EscapeDiscontinuity( p_input, p_pgrm );
374 /* Reinitialize synchro. */
375 p_pgrm->i_synchro_state = SYNCHRO_REINIT;
378 p_input->stream.p_selected_area->i_seek = NO_SEEK;
381 if( p_input->stream.p_removed_es )
383 input_UnselectES( p_input, p_input->stream.p_removed_es );
384 p_input->stream.p_removed_es = NULL;
387 if( p_input->stream.p_newly_selected_es )
389 input_SelectES( p_input, p_input->stream.p_newly_selected_es );
390 p_input->stream.p_newly_selected_es = NULL;
393 if( p_input->stream.b_new_mute != MUTE_NO_CHANGE )
395 if( p_input->stream.b_new_mute )
397 input_EscapeAudioDiscontinuity( p_input );
400 vlc_mutex_lock( &p_input->stream.control.control_lock );
401 p_input->stream.control.b_mute = p_input->stream.b_new_mute;
402 vlc_mutex_unlock( &p_input->stream.control.control_lock );
404 p_input->stream.b_new_mute = MUTE_NO_CHANGE;
407 vlc_mutex_unlock( &p_input->stream.stream_lock );
409 i_count = p_input->pf_read( p_input, &p_data );
411 /* Demultiplex read packets. */
412 while( p_data != NULL )
414 data_packet_t * p_next = p_data->p_next;
415 p_data->p_next = NULL;
417 p_input->stream.c_packets_read++;
418 p_input->pf_demux( p_input, p_data );
423 if( i_count == 0 && p_input->stream.b_seekable )
425 /* End of file - we do not set b_die because only the
426 * interface is allowed to do so. */
427 intf_WarnMsg( 3, "input: EOF reached" );
430 else if( i_count < 0 )
432 p_input->b_error = 1;
436 if( p_input->b_error || p_input->b_eof )
438 ErrorThread( p_input );
441 EndThread( p_input );
443 DestroyThread( p_input );
448 /*****************************************************************************
449 * InitThread: init the input Thread
450 *****************************************************************************/
451 static int InitThread( input_thread_t * p_input )
455 /* Find appropriate module. */
456 psz_name = config_GetPszVariable( INPUT_METHOD_VAR );
457 p_input->p_input_module = module_Need( MODULE_CAPABILITY_INPUT, psz_name,
460 if( psz_name ) free( psz_name );
461 if( p_input->p_input_module == NULL )
463 intf_ErrMsg( "input error: no suitable input module for `%s'",
468 #define f p_input->p_input_module->p_functions->input.functions.input
469 p_input->pf_probe = f.pf_probe;
470 p_input->pf_init = f.pf_init;
471 p_input->pf_end = f.pf_end;
472 p_input->pf_read = f.pf_read;
473 p_input->pf_set_area = f.pf_set_area;
474 p_input->pf_set_program = f.pf_set_program;
475 p_input->pf_demux = f.pf_demux;
476 p_input->pf_new_packet = f.pf_new_packet;
477 p_input->pf_new_pes = f.pf_new_pes;
478 p_input->pf_delete_packet = f.pf_delete_packet;
479 p_input->pf_delete_pes = f.pf_delete_pes;
480 p_input->pf_rewind = f.pf_rewind;
481 p_input->pf_seek = f.pf_seek;
483 if( f.pf_open != NULL )
485 f.pf_open( p_input );
487 #if !defined( SYS_BEOS ) && !defined( SYS_NTO )
488 /* FIXME : this is waaaay too kludgy */
489 else if( ( strlen( p_input->p_source ) >= 10
490 && !strncasecmp( p_input->p_source, "udpstream:", 10 ) )
491 || ( strlen( p_input->p_source ) >= 4
492 && !strncasecmp( p_input->p_source, "udp:", 4 ) ) )
495 NetworkOpen( p_input );
496 p_input->stream.i_method = INPUT_METHOD_NETWORK;
498 else if( ( strlen( p_input->p_source ) > 5 )
499 && !strncasecmp( p_input->p_source, "http:", 5 ) )
503 p_input->stream.i_method = INPUT_METHOD_NETWORK;
506 else if( ( strlen( p_input->p_source ) == 1 )
507 && *p_input->p_source == '-' )
516 p_input->stream.i_method = INPUT_METHOD_FILE;
520 if( p_input->b_error )
522 /* We barfed -- exit nicely */
523 module_Unneed( p_input->p_input_module );
527 p_input->pf_init( p_input );
529 if( p_input->b_error )
531 /* We barfed -- exit nicely */
532 CloseThread( p_input );
533 module_Unneed( p_input->p_input_module );
540 /*****************************************************************************
541 * ErrorThread: RunThread() error loop
542 *****************************************************************************
543 * This function is called when an error occured during thread main's loop.
544 *****************************************************************************/
545 static void ErrorThread( input_thread_t *p_input )
547 while( !p_input->b_die )
550 msleep( INPUT_IDLE_SLEEP );
554 /*****************************************************************************
555 * EndThread: end the input thread
556 *****************************************************************************/
557 static void EndThread( input_thread_t * p_input )
560 p_input->i_status = THREAD_END;
562 if( p_main->b_stats )
564 #ifdef HAVE_SYS_TIMES_H
565 /* Display statistics */
566 struct tms cpu_usage;
569 intf_StatMsg( "input stats: %d loops consuming user: %d, system: %d",
571 cpu_usage.tms_utime, cpu_usage.tms_stime );
573 intf_StatMsg( "input stats: %d loops", p_input->c_loops );
576 input_DumpStream( p_input );
579 /* Free all ES and destroy all decoder threads */
580 input_EndStream( p_input );
582 /* Free demultiplexer's data */
583 p_input->pf_end( p_input );
585 /* Close the input method */
586 CloseThread( p_input );
588 /* Release modules */
589 module_Unneed( p_input->p_input_module );
592 /*****************************************************************************
593 * CloseThread: close the target
594 *****************************************************************************/
595 static void CloseThread( input_thread_t * p_input )
597 #define f p_input->p_input_module->p_functions->input.functions.input
599 if( f.pf_close != NULL )
601 f.pf_close( p_input );
603 #if !defined( SYS_BEOS ) && !defined( SYS_NTO )
605 else if( ( strlen( p_input->p_source ) > 10
606 && !strncasecmp( p_input->p_source, "udpstream:", 10 ) )
607 || ( strlen( p_input->p_source ) > 4
608 && !strncasecmp( p_input->p_source, "udp:", 4 ) ) )
610 NetworkClose( p_input );
612 else if( ( strlen( p_input->p_source ) > 5 )
613 && !strncasecmp( p_input->p_source, "http:", 5 ) )
615 NetworkClose( p_input );
620 FileClose( p_input );
625 /*****************************************************************************
626 * DestroyThread: destroy the input thread
627 *****************************************************************************/
628 static void DestroyThread( input_thread_t * p_input )
631 p_input->i_status = THREAD_OVER;
634 /*****************************************************************************
635 * StdOpen : open standard input
636 *****************************************************************************/
637 static void StdOpen( input_thread_t * p_input )
639 vlc_mutex_lock( &p_input->stream.stream_lock );
641 /* Suppose we can control the pace - this won't work in some cases ! */
642 p_input->stream.b_pace_control = 1;
644 p_input->stream.b_seekable = 0;
645 p_input->stream.p_selected_area->i_size = 0;
646 p_input->stream.p_selected_area->i_tell = 0;
647 vlc_mutex_unlock( &p_input->stream.stream_lock );
649 intf_WarnMsg( 2, "input: opening stdin" );
650 p_input->i_handle = 0;
653 /*****************************************************************************
654 * FileOpen : open a file descriptor
655 *****************************************************************************/
656 static void FileOpen( input_thread_t * p_input )
658 struct stat stat_info;
661 char *psz_name = p_input->p_source;
663 if( ( i_stat = stat( psz_name, &stat_info ) ) == (-1) )
665 int i_size = strlen( psz_name );
668 && !strncasecmp( psz_name, "dvdread:", 8 ) )
670 /* get rid of the 'dvdread:' stuff and try again */
672 i_stat = stat( psz_name, &stat_info );
674 else if( ( i_size > 4 )
675 && !strncasecmp( psz_name, "dvd:", 4 ) )
677 /* get rid of the 'dvd:' stuff and try again */
679 i_stat = stat( psz_name, &stat_info );
681 else if( ( i_size > 4 )
682 && !strncasecmp( psz_name, "vcd:", 4 ) )
684 /* get rid of the 'vcd:' stuff and try again */
686 i_stat = stat( psz_name, &stat_info );
688 else if( ( i_size > 5 )
689 && !strncasecmp( psz_name, "file:", 5 ) )
691 /* get rid of the 'file:' stuff and try again */
693 i_stat = stat( psz_name, &stat_info );
698 intf_ErrMsg( "input error: cannot stat() file `%s' (%s)",
699 psz_name, strerror(errno));
700 p_input->b_error = 1;
705 vlc_mutex_lock( &p_input->stream.stream_lock );
707 /* If we are here we can control the pace... */
708 p_input->stream.b_pace_control = 1;
710 if( S_ISREG(stat_info.st_mode) || S_ISCHR(stat_info.st_mode)
711 || S_ISBLK(stat_info.st_mode) )
713 p_input->stream.b_seekable = 1;
714 p_input->stream.p_selected_area->i_size = stat_info.st_size;
716 else if( S_ISFIFO(stat_info.st_mode)
717 #if !defined( SYS_BEOS ) && !defined( WIN32 )
718 || S_ISSOCK(stat_info.st_mode)
722 p_input->stream.b_seekable = 0;
723 p_input->stream.p_selected_area->i_size = 0;
727 vlc_mutex_unlock( &p_input->stream.stream_lock );
728 intf_ErrMsg( "input error: unknown file type for `%s'",
730 p_input->b_error = 1;
734 p_input->stream.p_selected_area->i_tell = 0;
735 vlc_mutex_unlock( &p_input->stream.stream_lock );
737 intf_WarnMsg( 2, "input: opening file `%s'", p_input->p_source );
738 if( (p_input->i_handle = open( psz_name,
739 /*O_NONBLOCK | O_LARGEFILE*/0 )) == (-1) )
741 intf_ErrMsg( "input error: cannot open file (%s)", strerror(errno) );
742 p_input->b_error = 1;
748 /*****************************************************************************
749 * FileClose : close a file descriptor
750 *****************************************************************************/
751 static void FileClose( input_thread_t * p_input )
753 intf_WarnMsg( 2, "input: closing file `%s'", p_input->p_source );
755 close( p_input->i_handle );
760 #if !defined( SYS_BEOS ) && !defined( SYS_NTO )
761 /*****************************************************************************
762 * NetworkOpen : open a network socket
763 *****************************************************************************/
764 static void NetworkOpen( input_thread_t * p_input )
766 char *psz_server = NULL;
767 char *psz_bind = NULL;
768 int i_server_port = 0;
772 struct sockaddr_in sock;
774 /* Get the remote server. Syntax is :
775 * udp[stream]:[/][/][serveraddr[:serverport]][@[bindaddr]:[bindport]] */
776 if( p_input->p_source != NULL )
778 char * psz_parser = p_input->p_source;
779 char * psz_server_port = NULL;
780 char * psz_bind_port = NULL;
782 /* Skip the protocol name */
783 while( *psz_parser && *psz_parser != ':' )
788 /* Skip the "://" part */
789 while( *psz_parser && (*psz_parser == ':' || *psz_parser == '/') )
794 if( *psz_parser && *psz_parser != '@' )
797 psz_server = psz_parser;
799 while( *psz_parser && *psz_parser != ':' && *psz_parser != '@' )
804 if( *psz_parser == ':' )
806 /* Found server port */
807 *psz_parser = '\0'; /* Terminate server name */
809 psz_server_port = psz_parser;
811 while( *psz_parser && *psz_parser != '@' )
818 if( *psz_parser == '@' )
820 /* Found bind address or bind port */
821 *psz_parser = '\0'; /* Terminate server port or name if necessary */
824 if( *psz_parser && *psz_parser != ':' )
826 /* Found bind address */
827 psz_bind = psz_parser;
829 while( *psz_parser && *psz_parser != ':' )
835 if( *psz_parser == ':' )
837 /* Found bind port */
838 *psz_parser = '\0'; /* Terminate bind address if necessary */
841 psz_bind_port = psz_parser;
845 /* Convert ports format */
846 if( psz_server_port != NULL )
848 i_server_port = strtol( psz_server_port, &psz_parser, 10 );
851 intf_ErrMsg( "input error: cannot parse server port near %s",
853 p_input->b_error = 1;
858 if( psz_bind_port != NULL )
860 i_bind_port = strtol( psz_bind_port, &psz_parser, 10 );
863 intf_ErrMsg( "input error: cannot parse bind port near %s",
865 p_input->b_error = 1;
872 /* This is required or NetworkClose will never be called */
873 p_input->p_source = "ts: network input";
876 /* Check that we got a valid port */
877 if( i_bind_port == 0 )
879 i_bind_port = config_GetIntVariable( INPUT_PORT_VAR );
882 intf_WarnMsg( 2, "input: server=%s:%d local=%s:%d",
883 psz_server, i_server_port, psz_bind, i_bind_port );
885 /* Open a SOCK_DGRAM (UDP) socket, in the AF_INET domain, automatic (0)
887 p_input->i_handle = socket( AF_INET, SOCK_DGRAM, 0 );
888 if( p_input->i_handle == -1 )
890 intf_ErrMsg( "input error: can't create socket (%s)", strerror(errno) );
891 p_input->b_error = 1;
895 /* We may want to reuse an already used socket */
897 if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_REUSEADDR,
898 (void *) &i_opt, sizeof( i_opt ) ) == -1 )
900 intf_ErrMsg( "input error: can't configure socket (SO_REUSEADDR: %s)",
902 close( p_input->i_handle );
903 p_input->b_error = 1;
907 /* Increase the receive buffer size to 1/2MB (8Mb/s during 1/2s) to avoid
908 * packet loss caused by scheduling problems */
910 if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_RCVBUF,
911 (void *) &i_opt, sizeof( i_opt ) ) == -1 )
913 intf_WarnMsg( 1, "input warning: can't configure socket (SO_RCVBUF: %s)",
917 /* Check if we really got what we have asked for, because Linux, etc.
918 * will silently limit the max buffer size to net.core.rmem_max which
919 * is typically only 65535 bytes */
921 i_opt_size = sizeof( i_opt );
922 if( getsockopt( p_input->i_handle, SOL_SOCKET, SO_RCVBUF,
923 (void*) &i_opt, &i_opt_size ) == -1 )
925 intf_WarnMsg( 1, "input warning: can't query socket (SO_RCVBUF: %s)",
928 else if( i_opt < 0x80000 )
930 intf_WarnMsg( 1, "input warning: socket buffer size is 0x%x"
931 " instead of 0x%x", i_opt, 0x80000 );
934 /* Build the local socket */
936 /* As we have a problem with multicast under win32, let's bind on INADDR_ANY */
939 if ( network_BuildAddr( &sock, NULL, i_bind_port ) == -1 )
941 if ( network_BuildAddr( &sock, psz_bind, i_bind_port ) == -1 )
944 intf_ErrMsg( "input error: can't build local address" );
945 close( p_input->i_handle );
946 p_input->b_error = 1;
951 if( bind( p_input->i_handle, (struct sockaddr *)&sock,
952 sizeof( sock ) ) < 0 )
954 intf_ErrMsg( "input error: can't bind socket (%s)", strerror(errno) );
955 close( p_input->i_handle );
956 p_input->b_error = 1;
960 /* Allow broadcast reception if we bound on INADDR_ANY */
961 if( psz_bind == NULL )
964 if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_BROADCAST,
965 (void*) &i_opt, sizeof( i_opt ) ) == -1 )
967 intf_WarnMsg( 1, "input warning: can't configure socket (SO_BROADCAST: %s)",
972 /* Join the multicast group if the socket is a multicast address */
974 # define IN_MULTICAST(a) IN_CLASSD(a)
978 if( IN_MULTICAST( ntohl( inet_addr (psz_bind) ) ) )
981 imr.imr_interface.s_addr = INADDR_ANY;
982 imr.imr_multiaddr.s_addr = inet_addr (psz_bind) ;
984 if( IN_MULTICAST( ntohl(sock.sin_addr.s_addr) ) )
988 imr.imr_interface.s_addr = INADDR_ANY;
989 imr.imr_multiaddr.s_addr = sock.sin_addr.s_addr;
991 if( setsockopt( p_input->i_handle, IPPROTO_IP, IP_ADD_MEMBERSHIP,
992 (char*)&imr, sizeof(struct ip_mreq) ) == -1 )
994 intf_ErrMsg( "input error: failed to join IP multicast group (%s)",
996 close( p_input->i_handle );
997 p_input->b_error = 1;
1002 if( psz_server != NULL )
1004 /* Build socket for remote connection */
1005 if ( network_BuildAddr( &sock, psz_server, i_server_port ) == -1 )
1007 intf_ErrMsg( "input error: can't build remote address" );
1008 close( p_input->i_handle );
1009 p_input->b_error = 1;
1013 /* Connect the socket */
1014 if( connect( p_input->i_handle, (struct sockaddr *) &sock,
1015 sizeof( sock ) ) == (-1) )
1017 intf_ErrMsg( "input error: can't connect socket (%s)",
1019 close( p_input->i_handle );
1020 p_input->b_error = 1;
1025 p_input->stream.b_pace_control = 0;
1026 p_input->stream.b_seekable = 0;
1028 intf_WarnMsg( 3, "input: successfully opened network mode" );
1033 /*****************************************************************************
1034 * NetworkClose : close a network socket
1035 *****************************************************************************/
1036 static void NetworkClose( input_thread_t * p_input )
1038 intf_WarnMsg( 2, "input: closing network target `%s'", p_input->p_source );
1040 close( p_input->i_handle );
1043 /*****************************************************************************
1044 * HTTPOpen : make an HTTP request
1045 *****************************************************************************/
1046 static void HTTPOpen( input_thread_t * p_input )
1048 char *psz_server = NULL;
1049 char *psz_path = NULL;
1053 struct sockaddr_in sock;
1054 char psz_buffer[256];
1056 /* Get the remote server */
1057 if( p_input->p_source != NULL )
1059 psz_server = p_input->p_source;
1061 /* Skip the protocol name */
1062 while( *psz_server && *psz_server != ':' )
1067 /* Skip the "://" part */
1068 while( *psz_server && (*psz_server == ':' || *psz_server == '/') )
1073 /* Found a server name */
1076 char *psz_port = psz_server;
1078 /* Skip the hostname part */
1079 while( *psz_port && *psz_port != ':' && *psz_port != '/' )
1084 /* Found a port name */
1087 if( *psz_port == ':' )
1089 /* Replace ':' with '\0' */
1094 psz_path = psz_port;
1095 while( *psz_path && *psz_path != '/' )
1110 if( *psz_port != '\0' )
1112 i_port = atoi( psz_port );
1122 /* Check that we got a valid server */
1123 if( psz_server == NULL )
1125 intf_ErrMsg( "input error: No server given" );
1126 p_input->b_error = 1;
1130 /* Check that we got a valid port */
1133 i_port = 80; /* FIXME */
1136 intf_WarnMsg( 2, "input: server=%s port=%d path=%s", psz_server,
1139 /* Open a SOCK_STREAM (TCP) socket, in the AF_INET domain, automatic (0)
1141 p_input->i_handle = socket( AF_INET, SOCK_STREAM, 0 );
1142 if( p_input->i_handle == -1 )
1144 intf_ErrMsg( "input error: can't create socket (%s)", strerror(errno) ); p_input->b_error = 1;
1148 /* We may want to reuse an already used socket */
1150 if( setsockopt( p_input->i_handle, SOL_SOCKET, SO_REUSEADDR,
1151 (void *) &i_opt, sizeof( i_opt ) ) == -1 )
1153 intf_ErrMsg( "input error: can't configure socket (SO_REUSEADDR: %s)",
1155 close( p_input->i_handle );
1156 p_input->b_error = 1;
1161 if( (psz_proxy = getenv( "http_proxy" )) != NULL )
1163 /* http://myproxy.mydomain:myport/ */
1164 int i_proxy_port = 0;
1166 /* Skip the protocol name */
1167 while( *psz_proxy && *psz_proxy != ':' )
1172 /* Skip the "://" part */
1173 while( *psz_proxy && (*psz_proxy == ':' || *psz_proxy == '/') )
1178 /* Found a proxy name */
1181 char *psz_port = psz_proxy;
1183 /* Skip the hostname part */
1184 while( *psz_port && *psz_port != ':' && *psz_port != '/' )
1189 /* Found a port name */
1194 /* Replace ':' with '\0' */
1198 psz_junk = psz_port;
1199 while( *psz_junk && *psz_junk != '/' )
1209 if( *psz_port != '\0' )
1211 i_proxy_port = atoi( psz_port );
1217 intf_ErrMsg( "input error: http_proxy environment variable is invalid !" );
1218 close( p_input->i_handle );
1219 p_input->b_error = 1;
1223 /* Build socket for proxy connection */
1224 if ( network_BuildAddr( &sock, psz_proxy, i_proxy_port ) == -1 )
1226 intf_ErrMsg( "input error: can't build remote address" );
1227 close( p_input->i_handle );
1228 p_input->b_error = 1;
1234 /* No proxy, direct connection */
1235 if ( network_BuildAddr( &sock, psz_server, i_port ) == -1 )
1237 intf_ErrMsg( "input error: can't build remote address" );
1238 close( p_input->i_handle );
1239 p_input->b_error = 1;
1244 /* Connect the socket */
1245 if( connect( p_input->i_handle, (struct sockaddr *) &sock,
1246 sizeof( sock ) ) == (-1) )
1248 intf_ErrMsg( "input error: can't connect socket (%s)",
1250 close( p_input->i_handle );
1251 p_input->b_error = 1;
1255 p_input->stream.b_seekable = 0;
1256 p_input->stream.b_pace_control = 1; /* TCP/IP... */
1258 # define HTTP_USERAGENT "User-Agent: " COPYRIGHT_MESSAGE "\r\n"
1259 # define HTTP_END "\r\n"
1261 /* Prepare GET ... */
1262 if( psz_proxy != NULL )
1264 snprintf( psz_buffer, sizeof(psz_buffer),
1265 "GET http://%s:%d/%s HTTP/1.0\r\n"
1266 HTTP_USERAGENT HTTP_END,
1267 psz_server, i_port, psz_path );
1271 snprintf( psz_buffer, sizeof(psz_buffer),
1272 "GET /%s HTTP/1.0\r\nHost: %s\r\n"
1273 HTTP_USERAGENT HTTP_END,
1274 psz_path, psz_server );
1276 psz_buffer[sizeof(psz_buffer) - 1] = '\0';
1279 if( write( p_input->i_handle, psz_buffer, strlen( psz_buffer ) ) == (-1) )
1281 intf_ErrMsg( "input error: can't send request (%s)", strerror(errno) );
1282 close( p_input->i_handle );
1283 p_input->b_error = 1;
1287 /* Read HTTP header - this is gonna be fun with plug-ins which do not
1288 * use p_input->p_stream :-( */
1289 if( (p_input->p_stream = fdopen( p_input->i_handle, "r+" )) == NULL )
1291 intf_ErrMsg( "input error: can't reopen socket (%s)", strerror(errno) );
1292 close( p_input->i_handle );
1293 p_input->b_error = 1;
1297 while( !feof( p_input->p_stream ) && !ferror( p_input->p_stream ) )
1299 if( fgets( psz_buffer, sizeof(psz_buffer), p_input->p_stream ) == NULL
1300 || *psz_buffer == '\r' || *psz_buffer == '\0' )
1304 /* FIXME : check Content-Type one day */
1307 intf_WarnMsg( 3, "input: successfully opened HTTP mode" );
1310 #endif /* !defined( SYS_BEOS ) && !defined( SYS_NTO ) */