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* );
184 #if 0 /* Disable for now until we have a clock synchro algo
185 * which works with something else than MPEG over UDP */
186 *pb_bool = VLC_FALSE;
193 pi_int = (int*)va_arg( args, int * );
194 *pi_int = 3 * p_sys->asfh.i_min_data_packet_size;
197 case ACCESS_GET_PTS_DELAY:
198 pi_64 = (int64_t*)va_arg( args, int64_t * );
199 *pi_64 = (int64_t)var_GetInteger( p_access, "mms-caching" ) * I64C(1000);
202 case ACCESS_GET_PRIVATE_ID_STATE:
203 i_int = (int)va_arg( args, int );
204 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t );
206 if( i_int < 0 || i_int > 127 )
208 *pb_bool = p_sys->asfh.stream[i_int].i_selected ? VLC_TRUE : VLC_FALSE;
212 case ACCESS_SET_PAUSE_STATE:
213 case ACCESS_GET_TITLE_INFO:
214 case ACCESS_SET_TITLE:
215 case ACCESS_SET_SEEKPOINT:
216 case ACCESS_SET_PRIVATE_ID_STATE:
220 msg_Warn( p_access, "unimplemented query in control" );
227 /*****************************************************************************
228 * Seek: try to go at the right place
229 *****************************************************************************/
230 static int Seek( access_t *p_access, int64_t i_pos )
232 access_sys_t *p_sys = p_access->p_sys;
237 msg_Dbg( p_access, "seeking to "I64Fd, i_pos );
239 i_packet = ( i_pos - p_sys->i_header ) / p_sys->asfh.i_min_data_packet_size;
240 i_offset = ( i_pos - p_sys->i_header ) % p_sys->asfh.i_min_data_packet_size;
243 Start( p_access, i_packet * p_sys->asfh.i_min_data_packet_size );
245 while( !p_access->b_die )
247 if( GetPacket( p_access, &ck ) )
251 if( ck.i_type != 0x4824 )
254 msg_Warn( p_access, "skipping header" );
257 p_access->info.i_pos = i_pos;
258 p_access->info.b_eof = VLC_FALSE;
259 p_sys->i_packet_used += i_offset;
264 /*****************************************************************************
266 *****************************************************************************/
267 static int ReadRedirect( access_t *p_access, uint8_t *p, int i_len )
272 /*****************************************************************************
274 *****************************************************************************/
275 static int Read( access_t *p_access, uint8_t *p_buffer, int i_len )
277 access_sys_t *p_sys = p_access->p_sys;
281 if( p_access->info.b_eof )
284 while( i_data < i_len )
286 if( p_access->info.i_pos < p_sys->i_start + p_sys->i_header )
288 int i_offset = p_access->info.i_pos - p_sys->i_start;
289 i_copy = __MIN( p_sys->i_header - i_offset, i_len - i_data );
290 memcpy( &p_buffer[i_data], &p_sys->p_header[i_offset], i_copy );
293 p_access->info.i_pos += i_copy;
295 else if( p_sys->i_packet_used < p_sys->i_packet_length )
297 i_copy = __MIN( p_sys->i_packet_length - p_sys->i_packet_used,
300 memcpy( &p_buffer[i_data],
301 &p_sys->p_packet[p_sys->i_packet_used],
305 p_sys->i_packet_used += i_copy;
306 p_access->info.i_pos += i_copy;
308 else if( p_sys->i_packet_length > 0 &&
309 (int)p_sys->i_packet_used < p_sys->asfh.i_min_data_packet_size )
311 i_copy = __MIN( p_sys->asfh.i_min_data_packet_size - p_sys->i_packet_used,
314 memset( &p_buffer[i_data], 0, i_copy );
317 p_sys->i_packet_used += i_copy;
318 p_access->info.i_pos += i_copy;
323 if( GetPacket( p_access, &ck ) )
325 if( ck.i_type == 0x4524 && ck.i_sequence != 0 && p_sys->b_broadcast )
327 char *psz_location = NULL;
329 p_sys->i_start = p_access->info.i_pos;
331 msg_Dbg( p_access, "stoping the stream" );
334 msg_Dbg( p_access, "describe the stream" );
335 if( Describe( p_access, &psz_location ) )
337 msg_Err( p_access, "describe failed" );
338 p_access->info.b_eof = VLC_TRUE;
341 if( Start( p_access, 0 ) )
343 msg_Err( p_access, "Start failed" );
344 p_access->info.b_eof = VLC_TRUE;
350 p_access->info.b_eof = VLC_TRUE;
354 if( ck.i_type != 0x4424 )
356 p_sys->i_packet_used = 0;
357 p_sys->i_packet_length = 0;
365 /*****************************************************************************
367 *****************************************************************************/
368 static int Describe( access_t *p_access, char **ppsz_location )
370 access_sys_t *p_sys = p_access->p_sys;
371 char *psz_location = NULL;
376 p_sys->b_broadcast = VLC_TRUE;
377 p_sys->i_request_context = 1;
378 p_sys->i_packet_sequence = 0;
379 p_sys->i_packet_used = 0;
380 p_sys->i_packet_length = 0;
381 p_sys->p_packet = NULL;
382 E_( GenerateGuid )( &p_sys->guid );
384 if( ( p_sys->fd = net_OpenTCP( p_access, p_sys->url.psz_host,
385 p_sys->url.i_port ) ) < 0 )
387 msg_Err( p_access, "cannot connect to %s:%d", p_sys->url.psz_host, p_sys->url.i_port );
391 /* send first request */
392 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
393 "GET %s HTTP/1.0\r\n"
395 "User-Agent: NSPlayer/4.1.0.3856\r\n"
397 "Pragma: no-cache,rate=1.000000,stream-time=0,stream-offset=0:0,request-context=%d,max-duration=0\r\n"
398 "Pragma: xClientGUID={"GUID_FMT"}\r\n"
399 "Connection: Close\r\n",
400 ( p_sys->url.psz_path == NULL || *p_sys->url.psz_path == '\0' ) ? "/" : p_sys->url.psz_path,
401 p_sys->url.psz_host, p_sys->url.i_port,
402 p_sys->i_request_context++,
403 GUID_PRINT( p_sys->guid ) );
405 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL, "\r\n" ) < 0 )
407 msg_Err( p_access, "failed to send request" );
411 /* Receive the http header */
412 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL ) ) == NULL )
414 msg_Err( p_access, "failed to read answer" );
417 if( strncmp( psz, "HTTP/1.", 7 ) )
419 msg_Err( p_access, "invalid HTTP reply '%s'", psz );
423 i_code = atoi( &psz[9] );
426 msg_Err( p_access, "error: %s", psz );
431 msg_Dbg( p_access, "HTTP reply '%s'", psz );
435 char *psz = net_Gets( p_access, p_sys->fd, NULL );
440 msg_Err( p_access, "failed to read answer" );
450 if( ( p = strchr( psz, ':' ) ) == NULL )
452 msg_Err( p_access, "malformed header line: %s", psz );
457 while( *p == ' ' ) p++;
459 /* FIXME FIXME test Content-Type to see if it's a plain stream or an
461 if( !strcasecmp( psz, "Pragma" ) )
463 if( strstr( p, "features" ) )
465 /* FIXME, it is a bit badly done here ..... */
466 if( strstr( p, "broadcast" ) )
468 msg_Dbg( p_access, "stream type = broadcast" );
469 p_sys->b_broadcast = VLC_TRUE;
471 else if( strstr( p, "seekable" ) )
473 msg_Dbg( p_access, "stream type = seekable" );
474 p_sys->b_broadcast = VLC_FALSE;
478 msg_Warn( p_access, "unknow stream types (%s)", p );
479 p_sys->b_broadcast = VLC_FALSE;
483 else if( !strcasecmp( psz, "Location" ) )
485 psz_location = strdup( p );
491 /* Handle the redirection */
492 if( ( i_code == 301 || i_code == 302 ||
493 i_code == 303 || i_code == 307 ) &&
494 psz_location && *psz_location )
496 msg_Dbg( p_access, "redirection to %s", psz_location );
497 net_Close( p_sys->fd ); p_sys->fd = -1;
499 *ppsz_location = psz_location;
503 /* Read the asf header */
505 p_sys->p_header = NULL;
509 if( GetPacket( p_access, &ck ) ||
510 ck.i_type != 0x4824 )
517 p_sys->i_header += ck.i_data;
518 p_sys->p_header = realloc( p_sys->p_header, p_sys->i_header );
519 memcpy( &p_sys->p_header[p_sys->i_header - ck.i_data],
520 ck.p_data, ck.i_data );
523 msg_Dbg( p_access, "complete header size=%d", p_sys->i_header );
524 if( p_sys->i_header <= 0 )
526 msg_Err( p_access, "header size == 0" );
529 /* close this connection */
530 net_Close( p_sys->fd ); p_sys->fd = -1;
532 /* *** parse header and get stream and their id *** */
533 /* get all streams properties,
535 * TODO : stream bitrates properties(optional)
536 * and bitrate mutual exclusion(optional) */
537 E_( asf_HeaderParse )( &p_sys->asfh,
538 p_sys->p_header, p_sys->i_header );
539 msg_Dbg( p_access, "packet count=%lld packet size=%d",
540 p_sys->asfh.i_data_packets_count,
541 p_sys->asfh.i_min_data_packet_size );
543 E_( asf_StreamSelect)( &p_sys->asfh,
544 var_CreateGetInteger( p_access, "mms-maxbitrate" ),
545 var_CreateGetInteger( p_access, "mms-all" ),
546 var_CreateGetInteger( p_access, "audio" ),
547 var_CreateGetInteger( p_access, "video" ) );
554 net_Close( p_sys->fd );
560 /*****************************************************************************
562 *****************************************************************************/
563 static int Start( access_t *p_access, off_t i_pos )
565 access_sys_t *p_sys = p_access->p_sys;
570 msg_Dbg( p_access, "starting stream" );
572 if( ( p_sys->fd = net_OpenTCP( p_access, p_sys->url.psz_host,
573 p_sys->url.i_port ) ) < 0 )
575 /* should not occur */
576 msg_Err( p_access, "cannot connect to the server" );
580 for( i = 1; i < 128; i++ )
582 if( p_sys->asfh.stream[i].i_selected )
590 msg_Err( p_access, "no stream selected" );
593 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
594 "GET %s HTTP/1.0\r\n"
596 "User-Agent: NSPlayer/4.1.0.3856\r\n"
598 ( p_sys->url.psz_path == NULL || *p_sys->url.psz_path == '\0' ) ? "/" : p_sys->url.psz_path,
599 p_sys->url.psz_host, p_sys->url.i_port );
600 if( p_sys->b_broadcast )
602 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
603 "Pragma: no-cache,rate=1.000000,request-context=%d\r\n",
604 p_sys->i_request_context++ );
608 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
609 "Pragma: no-cache,rate=1.000000,stream-time=0,stream-offset=%u:%u,request-context=%d,max-duration=0\r\n",
610 (uint32_t)((i_pos >> 32)&0xffffffff),
611 (uint32_t)(i_pos&0xffffffff),
612 p_sys->i_request_context++ );
614 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
615 "Pragma: xPlayStrm=1\r\n"
616 "Pragma: xClientGUID={"GUID_FMT"}\r\n"
617 "Pragma: stream-switch-count=%d\r\n"
618 "Pragma: stream-switch-entry=",
619 GUID_PRINT( p_sys->guid ),
622 for( i = 1; i < 128; i++ )
624 if( p_sys->asfh.stream[i].i_cat != ASF_STREAM_UNKNOWN )
627 if( p_sys->asfh.stream[i].i_selected )
632 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
633 "ffff:%d:%d ", i, i_select );
636 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL, "\r\n" );
637 net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL,
638 "Connection: Close\r\n" );
640 if( net_Printf( VLC_OBJECT(p_access), p_sys->fd, NULL, "\r\n" ) < 0 )
642 msg_Err( p_access, "failed to send request" );
646 if( ( psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, NULL ) ) == NULL )
648 msg_Err( p_access, "cannot read data" );
651 if( atoi( &psz[9] ) >= 400 )
653 msg_Err( p_access, "error: %s", psz );
657 msg_Dbg( p_access, "HTTP reply '%s'", psz );
660 /* FIXME check HTTP code */
663 char *psz = net_Gets( p_access, p_sys->fd, NULL );
666 msg_Err( p_access, "cannot read data" );
674 msg_Dbg( p_access, "%s", psz );
678 p_sys->i_packet_used = 0;
679 p_sys->i_packet_length = 0;
684 /*****************************************************************************
686 *****************************************************************************/
687 static void Stop( access_t *p_access )
689 access_sys_t *p_sys = p_access->p_sys;
691 msg_Dbg( p_access, "closing stream" );
694 net_Close( p_sys->fd );
699 /*****************************************************************************
701 *****************************************************************************/
702 static int GetPacket( access_t * p_access, chunk_t *p_ck )
704 access_sys_t *p_sys = p_access->p_sys;
707 memset( p_ck, 0, sizeof( chunk_t ) );
709 /* Read the chunk header */
710 if( net_Read( p_access, p_sys->fd, NULL, p_sys->buffer, 12, VLC_TRUE ) < 12 )
712 /* msg_Err( p_access, "cannot read data" ); */
716 p_ck->i_type = GetWLE( p_sys->buffer);
717 p_ck->i_size = GetWLE( p_sys->buffer + 2);
718 p_ck->i_sequence = GetDWLE( p_sys->buffer + 4);
719 p_ck->i_unknown = GetWLE( p_sys->buffer + 8);
720 p_ck->i_size2 = GetWLE( p_sys->buffer + 10);
721 p_ck->p_data = p_sys->buffer + 12;
722 p_ck->i_data = p_ck->i_size2 - 8;
724 if( p_ck->i_type == 0x4524 ) // Transfer complete
726 if( p_ck->i_sequence == 0 )
728 msg_Warn( p_access, "EOF" );
733 msg_Warn( p_access, "Next stream follow but not supported" );
737 else if( p_ck->i_type != 0x4824 && p_ck->i_type != 0x4424 )
739 msg_Err( p_access, "invalid chunk FATAL (0x%x)", p_ck->i_type );
743 if( p_ck->i_data > 0 &&
744 net_Read( p_access, p_sys->fd, NULL, &p_sys->buffer[12], p_ck->i_data, VLC_TRUE ) < p_ck->i_data )
746 msg_Err( p_access, "cannot read data" );
750 if( p_sys->i_packet_sequence != 0 &&
751 p_ck->i_sequence != p_sys->i_packet_sequence )
753 msg_Warn( p_access, "packet lost ? (%d != %d)", p_ck->i_sequence, p_sys->i_packet_sequence );
756 p_sys->i_packet_sequence = p_ck->i_sequence + 1;
757 p_sys->i_packet_used = 0;
758 p_sys->i_packet_length = p_ck->i_data;
759 p_sys->p_packet = p_ck->p_data;