1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
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;
179 case ACCESS_CAN_FASTSEEK:
180 case ACCESS_CAN_PAUSE:
181 case ACCESS_CAN_CONTROL_PACE:
182 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
183 *pb_bool = VLC_FALSE;
188 pi_int = (int*)va_arg( args, int * );
189 *pi_int = 3 * p_sys->asfh.i_min_data_packet_size;
192 case ACCESS_GET_PTS_DELAY:
193 pi_64 = (int64_t*)va_arg( args, int64_t * );
194 *pi_64 = (int64_t)var_GetInteger( p_access, "mms-caching" ) * I64C(1000);
197 case ACCESS_GET_PRIVATE_ID_STATE:
198 i_int = (int)va_arg( args, int );
199 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t );
201 if( i_int < 0 || i_int > 127 )
203 *pb_bool = p_sys->asfh.stream[i_int].i_selected ? VLC_TRUE : VLC_FALSE;
207 case ACCESS_SET_PAUSE_STATE:
208 case ACCESS_GET_TITLE_INFO:
209 case ACCESS_SET_TITLE:
210 case ACCESS_SET_SEEKPOINT:
211 case ACCESS_SET_PRIVATE_ID_STATE:
215 msg_Warn( p_access, "unimplemented query in control" );
222 /*****************************************************************************
223 * Seek: try to go at the right place
224 *****************************************************************************/
225 static int Seek( access_t *p_access, int64_t i_pos )
227 access_sys_t *p_sys = p_access->p_sys;
232 msg_Dbg( p_access, "seeking to "I64Fd, i_pos );
234 i_packet = ( i_pos - p_sys->i_header ) / p_sys->asfh.i_min_data_packet_size;
235 i_offset = ( i_pos - p_sys->i_header ) % p_sys->asfh.i_min_data_packet_size;
238 Start( p_access, i_packet * p_sys->asfh.i_min_data_packet_size );
240 while( !p_access->b_die )
242 if( GetPacket( p_access, &ck ) )
246 if( ck.i_type != 0x4824 )
249 msg_Warn( p_access, "skipping header" );
252 p_access->info.i_pos = i_pos;
253 p_access->info.b_eof = VLC_FALSE;
254 p_sys->i_packet_used += i_offset;
259 /*****************************************************************************
261 *****************************************************************************/
262 static int ReadRedirect( access_t *p_access, uint8_t *p, int i_len )
267 /*****************************************************************************
269 *****************************************************************************/
270 static int Read( access_t *p_access, uint8_t *p_buffer, int i_len )
272 access_sys_t *p_sys = p_access->p_sys;
276 if( p_access->info.b_eof )
279 while( i_data < i_len )
281 if( p_access->info.i_pos < p_sys->i_start + p_sys->i_header )
283 int i_offset = p_access->info.i_pos - p_sys->i_start;
284 i_copy = __MIN( p_sys->i_header - i_offset, i_len - i_data );
285 memcpy( &p_buffer[i_data], &p_sys->p_header[i_offset], i_copy );
288 p_access->info.i_pos += i_copy;
290 else if( p_sys->i_packet_used < p_sys->i_packet_length )
292 i_copy = __MIN( p_sys->i_packet_length - p_sys->i_packet_used,
295 memcpy( &p_buffer[i_data],
296 &p_sys->p_packet[p_sys->i_packet_used],
300 p_sys->i_packet_used += i_copy;
301 p_access->info.i_pos += i_copy;
303 else if( p_sys->i_packet_length > 0 &&
304 (int)p_sys->i_packet_used < p_sys->asfh.i_min_data_packet_size )
306 i_copy = __MIN( p_sys->asfh.i_min_data_packet_size - p_sys->i_packet_used,
309 memset( &p_buffer[i_data], 0, i_copy );
312 p_sys->i_packet_used += i_copy;
313 p_access->info.i_pos += i_copy;
318 if( GetPacket( p_access, &ck ) )
320 if( ck.i_type == 0x4524 && ck.i_sequence != 0 && p_sys->b_broadcast )
322 char *psz_location = NULL;
324 p_sys->i_start = p_access->info.i_pos;
326 msg_Dbg( p_access, "stoping the stream" );
329 msg_Dbg( p_access, "describe the stream" );
330 if( Describe( p_access, &psz_location ) )
332 msg_Err( p_access, "describe failed" );
333 p_access->info.b_eof = VLC_TRUE;
336 if( Start( p_access, 0 ) )
338 msg_Err( p_access, "Start failed" );
339 p_access->info.b_eof = VLC_TRUE;
345 p_access->info.b_eof = VLC_TRUE;
349 if( ck.i_type != 0x4424 )
351 p_sys->i_packet_used = 0;
352 p_sys->i_packet_length = 0;
360 /*****************************************************************************
362 *****************************************************************************/
363 static int Describe( access_t *p_access, char **ppsz_location )
365 access_sys_t *p_sys = p_access->p_sys;
366 char *psz_location = NULL;
371 p_sys->b_broadcast = VLC_TRUE;
372 p_sys->i_request_context = 1;
373 p_sys->i_packet_sequence = 0;
374 p_sys->i_packet_used = 0;
375 p_sys->i_packet_length = 0;
376 p_sys->p_packet = NULL;
377 E_( GenerateGuid )( &p_sys->guid );
379 if( ( p_sys->fd = net_OpenTCP( p_access, p_sys->url.psz_host,
380 p_sys->url.i_port ) ) < 0 )
382 msg_Err( p_access, "cannot connect to %s:%d", p_sys->url.psz_host, p_sys->url.i_port );
386 /* send first request */
387 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
388 "GET %s HTTP/1.0\r\n"
390 "User-Agent: NSPlayer/4.1.0.3856\r\n"
392 "Pragma: no-cache,rate=1.000000,stream-time=0,stream-offset=0:0,request-context=%d,max-duration=0\r\n"
393 "Pragma: xClientGUID={"GUID_FMT"}\r\n"
394 "Connection: Close\r\n",
395 ( p_sys->url.psz_path == NULL || *p_sys->url.psz_path == '\0' ) ? "/" : p_sys->url.psz_path,
396 p_sys->url.psz_host, p_sys->url.i_port,
397 p_sys->i_request_context++,
398 GUID_PRINT( p_sys->guid ) );
400 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL, "\r\n" ) < 0 )
402 msg_Err( p_access, "failed to send request" );
406 /* Receive the http header */
407 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL ) ) == NULL )
409 msg_Err( p_access, "failed to read answer" );
412 if( strncmp( psz, "HTTP/1.", 7 ) )
414 msg_Err( p_access, "invalid HTTP reply '%s'", psz );
418 i_code = atoi( &psz[9] );
421 msg_Err( p_access, "error: %s", psz );
426 msg_Dbg( p_access, "HTTP reply '%s'", psz );
430 char *psz = net_Gets( p_access, p_sys->fd, NULL );
435 msg_Err( p_access, "failed to read answer" );
445 if( ( p = strchr( psz, ':' ) ) == NULL )
447 msg_Err( p_access, "malformed header line: %s", psz );
452 while( *p == ' ' ) p++;
454 /* FIXME FIXME test Content-Type to see if it's a plain stream or an
456 if( !strcasecmp( psz, "Pragma" ) )
458 if( strstr( p, "features" ) )
460 /* FIXME, it is a bit badly done here ..... */
461 if( strstr( p, "broadcast" ) )
463 msg_Dbg( p_access, "stream type = broadcast" );
464 p_sys->b_broadcast = VLC_TRUE;
466 else if( strstr( p, "seekable" ) )
468 msg_Dbg( p_access, "stream type = seekable" );
469 p_sys->b_broadcast = VLC_FALSE;
473 msg_Warn( p_access, "unknow stream types (%s)", p );
474 p_sys->b_broadcast = VLC_FALSE;
478 else if( !strcasecmp( psz, "Location" ) )
480 psz_location = strdup( p );
486 /* Handle the redirection */
487 if( ( i_code == 301 || i_code == 302 ||
488 i_code == 303 || i_code == 307 ) &&
489 psz_location && *psz_location )
491 msg_Dbg( p_access, "redirection to %s", psz_location );
492 net_Close( p_sys->fd ); p_sys->fd = -1;
494 *ppsz_location = psz_location;
498 /* Read the asf header */
500 p_sys->p_header = NULL;
504 if( GetPacket( p_access, &ck ) ||
505 ck.i_type != 0x4824 )
512 p_sys->i_header += ck.i_data;
513 p_sys->p_header = realloc( p_sys->p_header, p_sys->i_header );
514 memcpy( &p_sys->p_header[p_sys->i_header - ck.i_data],
515 ck.p_data, ck.i_data );
518 msg_Dbg( p_access, "complete header size=%d", p_sys->i_header );
519 if( p_sys->i_header <= 0 )
521 msg_Err( p_access, "header size == 0" );
524 /* close this connection */
525 net_Close( p_sys->fd ); p_sys->fd = -1;
527 /* *** parse header and get stream and their id *** */
528 /* get all streams properties,
530 * TODO : stream bitrates properties(optional)
531 * and bitrate mutual exclusion(optional) */
532 E_( asf_HeaderParse )( &p_sys->asfh,
533 p_sys->p_header, p_sys->i_header );
534 msg_Dbg( p_access, "packet count=%lld packet size=%d",
535 p_sys->asfh.i_data_packets_count,
536 p_sys->asfh.i_min_data_packet_size );
538 E_( asf_StreamSelect)( &p_sys->asfh,
539 var_CreateGetInteger( p_access, "mms-maxbitrate" ),
540 var_CreateGetInteger( p_access, "mms-all" ),
541 var_CreateGetInteger( p_access, "audio" ),
542 var_CreateGetInteger( p_access, "video" ) );
549 net_Close( p_sys->fd );
555 /*****************************************************************************
557 *****************************************************************************/
558 static int Start( access_t *p_access, off_t i_pos )
560 access_sys_t *p_sys = p_access->p_sys;
565 msg_Dbg( p_access, "starting stream" );
567 if( ( p_sys->fd = net_OpenTCP( p_access, p_sys->url.psz_host,
568 p_sys->url.i_port ) ) < 0 )
570 /* should not occur */
571 msg_Err( p_access, "cannot connect to the server" );
575 for( i = 1; i < 128; i++ )
577 if( p_sys->asfh.stream[i].i_selected )
585 msg_Err( p_access, "no stream selected" );
588 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
589 "GET %s HTTP/1.0\r\n"
591 "User-Agent: NSPlayer/4.1.0.3856\r\n"
593 ( p_sys->url.psz_path == NULL || *p_sys->url.psz_path == '\0' ) ? "/" : p_sys->url.psz_path,
594 p_sys->url.psz_host, p_sys->url.i_port );
595 if( p_sys->b_broadcast )
597 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
598 "Pragma: no-cache,rate=1.000000,request-context=%d\r\n",
599 p_sys->i_request_context++ );
603 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
604 "Pragma: no-cache,rate=1.000000,stream-time=0,stream-offset=%u:%u,request-context=%d,max-duration=0\r\n",
605 (uint32_t)((i_pos >> 32)&0xffffffff),
606 (uint32_t)(i_pos&0xffffffff),
607 p_sys->i_request_context++ );
609 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
610 "Pragma: xPlayStrm=1\r\n"
611 "Pragma: xClientGUID={"GUID_FMT"}\r\n"
612 "Pragma: stream-switch-count=%d\r\n"
613 "Pragma: stream-switch-entry=",
614 GUID_PRINT( p_sys->guid ),
617 for( i = 1; i < 128; i++ )
619 if( p_sys->asfh.stream[i].i_cat != ASF_STREAM_UNKNOWN )
622 if( p_sys->asfh.stream[i].i_selected )
627 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
628 "ffff:%d:%d ", i, i_select );
631 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL, "\r\n" );
632 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
633 "Connection: Close\r\n" );
635 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL, "\r\n" ) < 0 )
637 msg_Err( p_access, "failed to send request" );
641 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL ) ) == NULL )
643 msg_Err( p_access, "cannot read data" );
646 if( atoi( &psz[9] ) >= 400 )
648 msg_Err( p_access, "error: %s", psz );
652 msg_Dbg( p_access, "HTTP reply '%s'", psz );
655 /* FIXME check HTTP code */
658 char *psz = net_Gets( p_access, p_sys->fd, NULL );
661 msg_Err( p_access, "cannot read data" );
669 msg_Dbg( p_access, "%s", psz );
673 p_sys->i_packet_used = 0;
674 p_sys->i_packet_length = 0;
679 /*****************************************************************************
681 *****************************************************************************/
682 static void Stop( access_t *p_access )
684 access_sys_t *p_sys = p_access->p_sys;
686 msg_Dbg( p_access, "closing stream" );
689 net_Close( p_sys->fd );
694 /*****************************************************************************
696 *****************************************************************************/
697 static int GetPacket( access_t * p_access, chunk_t *p_ck )
699 access_sys_t *p_sys = p_access->p_sys;
702 memset( p_ck, 0, sizeof( chunk_t ) );
704 /* Read the chunk header */
705 if( net_Read( p_access, p_sys->fd, NULL, p_sys->buffer, 12, VLC_TRUE ) < 12 )
707 /* msg_Err( p_access, "cannot read data" ); */
711 p_ck->i_type = GetWLE( p_sys->buffer);
712 p_ck->i_size = GetWLE( p_sys->buffer + 2);
713 p_ck->i_sequence = GetDWLE( p_sys->buffer + 4);
714 p_ck->i_unknown = GetWLE( p_sys->buffer + 8);
715 p_ck->i_size2 = GetWLE( p_sys->buffer + 10);
716 p_ck->p_data = p_sys->buffer + 12;
717 p_ck->i_data = p_ck->i_size2 - 8;
719 if( p_ck->i_type == 0x4524 ) // Transfer complete
721 if( p_ck->i_sequence == 0 )
723 msg_Warn( p_access, "EOF" );
728 msg_Warn( p_access, "Next stream follow but not supported" );
732 else if( p_ck->i_type != 0x4824 && p_ck->i_type != 0x4424 )
734 msg_Err( p_access, "invalid chunk FATAL (0x%x)", p_ck->i_type );
738 if( p_ck->i_data > 0 &&
739 net_Read( p_access, p_sys->fd, NULL, &p_sys->buffer[12], p_ck->i_data, VLC_TRUE ) < p_ck->i_data )
741 msg_Err( p_access, "cannot read data" );
745 if( p_sys->i_packet_sequence != 0 &&
746 p_ck->i_sequence != p_sys->i_packet_sequence )
748 msg_Warn( p_access, "packet lost ? (%d != %d)", p_ck->i_sequence, p_sys->i_packet_sequence );
751 p_sys->i_packet_sequence = p_ck->i_sequence + 1;
752 p_sys->i_packet_used = 0;
753 p_sys->i_packet_length = p_ck->i_data;
754 p_sys->p_packet = p_ck->p_data;