1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN (Centrale Réseaux) and its contributors
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
30 #include <vlc/input.h>
32 #include "vlc_playlist.h"
46 /*****************************************************************************
48 *****************************************************************************/
49 int E_(MMSHOpen) ( access_t * );
50 void E_(MMSHClose) ( access_t * );
52 static int Read( access_t *, uint8_t *, int );
53 static int ReadRedirect( access_t *, uint8_t *, int );
54 static int Seek( access_t *, int64_t );
55 static int Control( access_t *, int, va_list );
57 static int Describe( access_t *, char **ppsz_location );
58 static int Start( access_t *, int64_t );
59 static void Stop( access_t * );
60 static int GetPacket( access_t *, chunk_t * );
62 /****************************************************************************
63 * Open: connect to ftp server and ask for file
64 ****************************************************************************/
65 int E_(MMSHOpen)( access_t *p_access )
68 char *psz_location = NULL;
73 p_access->pf_read = Read;
74 p_access->pf_block = NULL;
75 p_access->pf_control = Control;
76 p_access->pf_seek = Seek;
77 p_access->info.i_update = 0;
78 p_access->info.i_size = 0;
79 p_access->info.i_pos = 0;
80 p_access->info.b_eof = VLC_FALSE;
81 p_access->info.i_title = 0;
82 p_access->info.i_seekpoint = 0;
83 p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
84 memset( p_sys, 0, sizeof( access_sys_t ) );
85 p_sys->i_proto= MMS_PROTO_HTTP;
89 /* open a tcp connection */
90 vlc_UrlParse( &p_sys->url, p_access->psz_path, 0 );
91 if( p_sys->url.psz_host == NULL || *p_sys->url.psz_host == '\0' )
93 msg_Err( p_access, "invalid host" );
94 vlc_UrlClean( &p_sys->url );
98 if( p_sys->url.i_port <= 0 )
99 p_sys->url.i_port = 80;
101 if( Describe( p_access, &psz_location ) )
103 vlc_UrlClean( &p_sys->url );
107 /* Handle redirection */
108 if( psz_location && *psz_location )
110 playlist_t * p_playlist = vlc_object_find( p_access, VLC_OBJECT_PLAYLIST, FIND_PARENT );
112 msg_Dbg( p_access, "redirection to %s", psz_location );
116 msg_Err( p_access, "redirection failed: can't find playlist" );
117 free( psz_location );
120 p_playlist->pp_items[p_playlist->i_index]->b_autodeletion = VLC_TRUE;
121 playlist_Add( p_playlist, psz_location, psz_location,
122 PLAYLIST_INSERT | PLAYLIST_GO,
123 p_playlist->i_index + 1 );
124 vlc_object_release( p_playlist );
126 free( psz_location );
128 p_access->pf_read = ReadRedirect;
133 if( Start( p_access, 0 ) )
135 msg_Err( p_access, "cannot start stream" );
136 free( p_sys->p_header );
137 vlc_UrlClean( &p_sys->url );
142 if( !p_sys->b_broadcast )
144 p_access->info.i_size = p_sys->asfh.i_file_size;
150 /*****************************************************************************
151 * Close: free unused data structures
152 *****************************************************************************/
153 void E_( MMSHClose )( access_t *p_access )
155 access_sys_t *p_sys = p_access->p_sys;
161 /*****************************************************************************
163 *****************************************************************************/
164 static int Control( access_t *p_access, int i_query, va_list args )
166 access_sys_t *p_sys = p_access->p_sys;
175 case ACCESS_CAN_SEEK:
176 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
177 *pb_bool = !p_sys->b_broadcast;
180 case ACCESS_CAN_FASTSEEK:
181 case ACCESS_CAN_PAUSE:
182 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
183 *pb_bool = VLC_FALSE;
186 case ACCESS_CAN_CONTROL_PACE:
187 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
189 #if 0 /* Disable for now until we have a clock synchro algo
190 * which works with something else than MPEG over UDP */
191 *pb_bool = VLC_FALSE;
198 pi_int = (int*)va_arg( args, int * );
199 *pi_int = 3 * p_sys->asfh.i_min_data_packet_size;
202 case ACCESS_GET_PTS_DELAY:
203 pi_64 = (int64_t*)va_arg( args, int64_t * );
204 *pi_64 = (int64_t)var_GetInteger( p_access, "mms-caching" ) * I64C(1000);
207 case ACCESS_GET_PRIVATE_ID_STATE:
208 i_int = (int)va_arg( args, int );
209 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t );
211 if( i_int < 0 || i_int > 127 )
213 *pb_bool = p_sys->asfh.stream[i_int].i_selected ? VLC_TRUE : VLC_FALSE;
217 case ACCESS_SET_PAUSE_STATE:
218 case ACCESS_GET_TITLE_INFO:
219 case ACCESS_SET_TITLE:
220 case ACCESS_SET_SEEKPOINT:
221 case ACCESS_SET_PRIVATE_ID_STATE:
225 msg_Warn( p_access, "unimplemented query in control" );
232 /*****************************************************************************
233 * Seek: try to go at the right place
234 *****************************************************************************/
235 static int Seek( access_t *p_access, int64_t i_pos )
237 access_sys_t *p_sys = p_access->p_sys;
242 msg_Dbg( p_access, "seeking to "I64Fd, i_pos );
244 i_packet = ( i_pos - p_sys->i_header ) / p_sys->asfh.i_min_data_packet_size;
245 i_offset = ( i_pos - p_sys->i_header ) % p_sys->asfh.i_min_data_packet_size;
248 Start( p_access, i_packet * p_sys->asfh.i_min_data_packet_size );
250 while( !p_access->b_die )
252 if( GetPacket( p_access, &ck ) )
256 if( ck.i_type != 0x4824 )
259 msg_Warn( p_access, "skipping header" );
262 p_access->info.i_pos = i_pos;
263 p_access->info.b_eof = VLC_FALSE;
264 p_sys->i_packet_used += i_offset;
269 /*****************************************************************************
271 *****************************************************************************/
272 static int ReadRedirect( access_t *p_access, uint8_t *p, int i_len )
277 /*****************************************************************************
279 *****************************************************************************/
280 static int Read( access_t *p_access, uint8_t *p_buffer, int i_len )
282 access_sys_t *p_sys = p_access->p_sys;
286 if( p_access->info.b_eof )
289 while( i_data < i_len )
291 if( p_access->info.i_pos < p_sys->i_start + p_sys->i_header )
293 int i_offset = p_access->info.i_pos - p_sys->i_start;
294 i_copy = __MIN( p_sys->i_header - i_offset, i_len - i_data );
295 memcpy( &p_buffer[i_data], &p_sys->p_header[i_offset], i_copy );
298 p_access->info.i_pos += i_copy;
300 else if( p_sys->i_packet_used < p_sys->i_packet_length )
302 i_copy = __MIN( p_sys->i_packet_length - p_sys->i_packet_used,
305 memcpy( &p_buffer[i_data],
306 &p_sys->p_packet[p_sys->i_packet_used],
310 p_sys->i_packet_used += i_copy;
311 p_access->info.i_pos += i_copy;
313 else if( p_sys->i_packet_length > 0 &&
314 (int)p_sys->i_packet_used < p_sys->asfh.i_min_data_packet_size )
316 i_copy = __MIN( p_sys->asfh.i_min_data_packet_size - p_sys->i_packet_used,
319 memset( &p_buffer[i_data], 0, i_copy );
322 p_sys->i_packet_used += i_copy;
323 p_access->info.i_pos += i_copy;
328 if( GetPacket( p_access, &ck ) )
330 if( ck.i_type == 0x4524 && ck.i_sequence != 0 && p_sys->b_broadcast )
332 char *psz_location = NULL;
334 p_sys->i_start = p_access->info.i_pos;
336 msg_Dbg( p_access, "stoping the stream" );
339 msg_Dbg( p_access, "describe the stream" );
340 if( Describe( p_access, &psz_location ) )
342 msg_Err( p_access, "describe failed" );
343 p_access->info.b_eof = VLC_TRUE;
346 if( Start( p_access, 0 ) )
348 msg_Err( p_access, "Start failed" );
349 p_access->info.b_eof = VLC_TRUE;
355 p_access->info.b_eof = VLC_TRUE;
359 if( ck.i_type != 0x4424 )
361 p_sys->i_packet_used = 0;
362 p_sys->i_packet_length = 0;
370 /*****************************************************************************
372 *****************************************************************************/
373 static int Describe( access_t *p_access, char **ppsz_location )
375 access_sys_t *p_sys = p_access->p_sys;
376 char *psz_location = NULL;
381 p_sys->b_broadcast = VLC_TRUE;
382 p_sys->i_request_context = 1;
383 p_sys->i_packet_sequence = 0;
384 p_sys->i_packet_used = 0;
385 p_sys->i_packet_length = 0;
386 p_sys->p_packet = NULL;
387 E_( GenerateGuid )( &p_sys->guid );
389 if( ( p_sys->fd = net_OpenTCP( p_access, p_sys->url.psz_host,
390 p_sys->url.i_port ) ) < 0 )
392 msg_Err( p_access, "cannot connect to %s:%d", p_sys->url.psz_host, p_sys->url.i_port );
396 /* send first request */
397 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
398 "GET %s HTTP/1.0\r\n"
400 "User-Agent: NSPlayer/4.1.0.3856\r\n"
402 "Pragma: no-cache,rate=1.000000,stream-time=0,stream-offset=0:0,request-context=%d,max-duration=0\r\n"
403 "Pragma: xClientGUID={"GUID_FMT"}\r\n"
404 "Connection: Close\r\n",
405 ( p_sys->url.psz_path == NULL || *p_sys->url.psz_path == '\0' ) ? "/" : p_sys->url.psz_path,
406 p_sys->url.psz_host, p_sys->url.i_port,
407 p_sys->i_request_context++,
408 GUID_PRINT( p_sys->guid ) );
410 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL, "\r\n" ) < 0 )
412 msg_Err( p_access, "failed to send request" );
416 /* Receive the http header */
417 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL ) ) == NULL )
419 msg_Err( p_access, "failed to read answer" );
422 if( strncmp( psz, "HTTP/1.", 7 ) )
424 msg_Err( p_access, "invalid HTTP reply '%s'", psz );
428 i_code = atoi( &psz[9] );
431 msg_Err( p_access, "error: %s", psz );
436 msg_Dbg( p_access, "HTTP reply '%s'", psz );
440 char *psz = net_Gets( p_access, p_sys->fd, NULL );
445 msg_Err( p_access, "failed to read answer" );
455 if( ( p = strchr( psz, ':' ) ) == NULL )
457 msg_Err( p_access, "malformed header line: %s", psz );
462 while( *p == ' ' ) p++;
464 /* FIXME FIXME test Content-Type to see if it's a plain stream or an
466 if( !strcasecmp( psz, "Pragma" ) )
468 if( strstr( p, "features" ) )
470 /* FIXME, it is a bit badly done here ..... */
471 if( strstr( p, "broadcast" ) )
473 msg_Dbg( p_access, "stream type = broadcast" );
474 p_sys->b_broadcast = VLC_TRUE;
476 else if( strstr( p, "seekable" ) )
478 msg_Dbg( p_access, "stream type = seekable" );
479 p_sys->b_broadcast = VLC_FALSE;
483 msg_Warn( p_access, "unknow stream types (%s)", p );
484 p_sys->b_broadcast = VLC_FALSE;
488 else if( !strcasecmp( psz, "Location" ) )
490 psz_location = strdup( p );
496 /* Handle the redirection */
497 if( ( i_code == 301 || i_code == 302 ||
498 i_code == 303 || i_code == 307 ) &&
499 psz_location && *psz_location )
501 msg_Dbg( p_access, "redirection to %s", psz_location );
502 net_Close( p_sys->fd ); p_sys->fd = -1;
504 *ppsz_location = psz_location;
508 /* Read the asf header */
510 p_sys->p_header = NULL;
514 if( GetPacket( p_access, &ck ) ||
515 ck.i_type != 0x4824 )
522 p_sys->i_header += ck.i_data;
523 p_sys->p_header = realloc( p_sys->p_header, p_sys->i_header );
524 memcpy( &p_sys->p_header[p_sys->i_header - ck.i_data],
525 ck.p_data, ck.i_data );
528 msg_Dbg( p_access, "complete header size=%d", p_sys->i_header );
529 if( p_sys->i_header <= 0 )
531 msg_Err( p_access, "header size == 0" );
534 /* close this connection */
535 net_Close( p_sys->fd ); p_sys->fd = -1;
537 /* *** parse header and get stream and their id *** */
538 /* get all streams properties,
540 * TODO : stream bitrates properties(optional)
541 * and bitrate mutual exclusion(optional) */
542 E_( asf_HeaderParse )( &p_sys->asfh,
543 p_sys->p_header, p_sys->i_header );
544 msg_Dbg( p_access, "packet count=%lld packet size=%d",
545 p_sys->asfh.i_data_packets_count,
546 p_sys->asfh.i_min_data_packet_size );
548 E_( asf_StreamSelect)( &p_sys->asfh,
549 var_CreateGetInteger( p_access, "mms-maxbitrate" ),
550 var_CreateGetInteger( p_access, "mms-all" ),
551 var_CreateGetInteger( p_access, "audio" ),
552 var_CreateGetInteger( p_access, "video" ) );
559 net_Close( p_sys->fd );
565 /*****************************************************************************
567 *****************************************************************************/
568 static int Start( access_t *p_access, off_t i_pos )
570 access_sys_t *p_sys = p_access->p_sys;
575 msg_Dbg( p_access, "starting stream" );
577 if( ( p_sys->fd = net_OpenTCP( p_access, p_sys->url.psz_host,
578 p_sys->url.i_port ) ) < 0 )
580 /* should not occur */
581 msg_Err( p_access, "cannot connect to the server" );
585 for( i = 1; i < 128; i++ )
587 if( p_sys->asfh.stream[i].i_selected )
595 msg_Err( p_access, "no stream selected" );
598 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
599 "GET %s HTTP/1.0\r\n"
601 "User-Agent: NSPlayer/4.1.0.3856\r\n"
603 ( p_sys->url.psz_path == NULL || *p_sys->url.psz_path == '\0' ) ? "/" : p_sys->url.psz_path,
604 p_sys->url.psz_host, p_sys->url.i_port );
605 if( p_sys->b_broadcast )
607 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
608 "Pragma: no-cache,rate=1.000000,request-context=%d\r\n",
609 p_sys->i_request_context++ );
613 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
614 "Pragma: no-cache,rate=1.000000,stream-time=0,stream-offset=%u:%u,request-context=%d,max-duration=0\r\n",
615 (uint32_t)((i_pos >> 32)&0xffffffff),
616 (uint32_t)(i_pos&0xffffffff),
617 p_sys->i_request_context++ );
619 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
620 "Pragma: xPlayStrm=1\r\n"
621 "Pragma: xClientGUID={"GUID_FMT"}\r\n"
622 "Pragma: stream-switch-count=%d\r\n"
623 "Pragma: stream-switch-entry=",
624 GUID_PRINT( p_sys->guid ),
627 for( i = 1; i < 128; i++ )
629 if( p_sys->asfh.stream[i].i_cat != ASF_STREAM_UNKNOWN )
632 if( p_sys->asfh.stream[i].i_selected )
637 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
638 "ffff:%d:%d ", i, i_select );
641 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL, "\r\n" );
642 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
643 "Connection: Close\r\n" );
645 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL, "\r\n" ) < 0 )
647 msg_Err( p_access, "failed to send request" );
651 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL ) ) == NULL )
653 msg_Err( p_access, "cannot read data" );
656 if( atoi( &psz[9] ) >= 400 )
658 msg_Err( p_access, "error: %s", psz );
662 msg_Dbg( p_access, "HTTP reply '%s'", psz );
665 /* FIXME check HTTP code */
668 char *psz = net_Gets( p_access, p_sys->fd, NULL );
671 msg_Err( p_access, "cannot read data" );
679 msg_Dbg( p_access, "%s", psz );
683 p_sys->i_packet_used = 0;
684 p_sys->i_packet_length = 0;
689 /*****************************************************************************
691 *****************************************************************************/
692 static void Stop( access_t *p_access )
694 access_sys_t *p_sys = p_access->p_sys;
696 msg_Dbg( p_access, "closing stream" );
699 net_Close( p_sys->fd );
704 /*****************************************************************************
706 *****************************************************************************/
707 static int GetPacket( access_t * p_access, chunk_t *p_ck )
709 access_sys_t *p_sys = p_access->p_sys;
712 memset( p_ck, 0, sizeof( chunk_t ) );
714 /* Read the chunk header */
715 if( net_Read( p_access, p_sys->fd, NULL, p_sys->buffer, 12, VLC_TRUE ) < 12 )
717 /* msg_Err( p_access, "cannot read data" ); */
721 p_ck->i_type = GetWLE( p_sys->buffer);
722 p_ck->i_size = GetWLE( p_sys->buffer + 2);
723 p_ck->i_sequence = GetDWLE( p_sys->buffer + 4);
724 p_ck->i_unknown = GetWLE( p_sys->buffer + 8);
725 p_ck->i_size2 = GetWLE( p_sys->buffer + 10);
726 p_ck->p_data = p_sys->buffer + 12;
727 p_ck->i_data = p_ck->i_size2 - 8;
729 if( p_ck->i_type == 0x4524 ) // Transfer complete
731 if( p_ck->i_sequence == 0 )
733 msg_Warn( p_access, "EOF" );
738 msg_Warn( p_access, "Next stream follow but not supported" );
742 else if( p_ck->i_type != 0x4824 && p_ck->i_type != 0x4424 )
744 msg_Err( p_access, "invalid chunk FATAL (0x%x)", p_ck->i_type );
748 if( p_ck->i_data > 0 &&
749 net_Read( p_access, p_sys->fd, NULL, &p_sys->buffer[12], p_ck->i_data, VLC_TRUE ) < p_ck->i_data )
751 msg_Err( p_access, "cannot read data" );
755 if( p_sys->i_packet_sequence != 0 &&
756 p_ck->i_sequence != p_sys->i_packet_sequence )
758 msg_Warn( p_access, "packet lost ? (%d != %d)", p_ck->i_sequence, p_sys->i_packet_sequence );
761 p_sys->i_packet_sequence = p_ck->i_sequence + 1;
762 p_sys->i_packet_used = 0;
763 p_sys->i_packet_length = p_ck->i_data;
764 p_sys->p_packet = p_ck->p_data;