1 /*****************************************************************************
2 * mms.c: MMS access plug-in
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 the VideoLAN team
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_access.h>
44 #ifdef HAVE_SYS_TIME_H
45 # include <sys/time.h>
47 #ifdef HAVE_SYS_TYPES_H
48 # include <sys/types.h>
50 #ifdef HAVE_SYS_STAT_H
51 # include <sys/stat.h>
57 #include <vlc_network.h>
67 /****************************************************************************
69 * MMSProtocole documentation found at http://get.to/sdp
70 ****************************************************************************/
72 /*****************************************************************************
74 *****************************************************************************/
75 int MMSTUOpen ( access_t * );
76 void MMSTUClose ( access_t * );
79 static ssize_t Read( access_t *, uint8_t *, size_t );
80 static int Seek( access_t *, int64_t );
81 static int Control( access_t *, int, va_list );
83 static int MMSOpen ( access_t *, vlc_url_t *, int );
84 static int MMSStart( access_t *, uint32_t );
85 static int MMSStop ( access_t * );
86 static void MMSClose( access_t * );
89 static int mms_CommandRead( access_t *p_access, int i_command1, int i_command2 );
90 static int mms_CommandSend( access_t *, int, uint32_t, uint32_t, uint8_t *, int );
92 static int mms_HeaderMediaRead( access_t *, int );
94 static int mms_ReceivePacket( access_t * );
96 static void* KeepAliveThread( void * );
98 int MMSTUOpen( access_t *p_access )
104 /* Set up p_access */
105 p_access->pf_read = Read;
106 p_access->pf_block = NULL;
107 p_access->pf_control = Control;
108 p_access->pf_seek = Seek;
109 p_access->info.i_update = 0;
110 p_access->info.i_size = 0;
111 p_access->info.i_pos = 0;
112 p_access->info.b_eof = false;
113 p_access->info.i_title = 0;
114 p_access->info.i_seekpoint = 0;
115 p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
116 if( !p_sys ) return VLC_ENOMEM;
117 memset( p_sys, 0, sizeof( access_sys_t ) );
119 p_sys->i_timeout = var_CreateGetInteger( p_access, "mms-timeout" );
121 vlc_mutex_init( &p_sys->lock_netwrite );
123 /* *** Parse URL and get server addr/port and path *** */
124 vlc_UrlParse( &p_sys->url, p_access->psz_path, 0 );
125 if( p_sys->url.psz_host == NULL || *p_sys->url.psz_host == '\0' )
127 msg_Err( p_access, "invalid server name" );
128 vlc_UrlClean( &p_sys->url );
129 vlc_mutex_destroy( &p_sys->lock_netwrite );
133 if( p_sys->url.i_port <= 0 )
135 p_sys->url.i_port = 1755;
138 /* *** connect to this server *** */
139 /* look at requested protocol (udp/tcp) */
140 i_proto = MMS_PROTO_AUTO;
141 if( *p_access->psz_access )
143 if( !strncmp( p_access->psz_access, "mmsu", 4 ) )
145 i_proto = MMS_PROTO_UDP;
147 else if( !strncmp( p_access->psz_access, "mmst", 4 ) )
149 i_proto = MMS_PROTO_TCP;
154 if( i_proto == MMS_PROTO_AUTO )
155 { /* first try with TCP and then UDP*/
156 if( ( i_status = MMSOpen( p_access, &p_sys->url, MMS_PROTO_TCP ) ) )
158 i_status = MMSOpen( p_access, &p_sys->url, MMS_PROTO_UDP );
163 i_status = MMSOpen( p_access, &p_sys->url, i_proto );
168 msg_Err( p_access, "cannot connect to server" );
169 vlc_UrlClean( &p_sys->url );
170 vlc_mutex_destroy( &p_sys->lock_netwrite );
175 msg_Dbg( p_access, "connected to %s:%d", p_sys->url.psz_host, p_sys->url.i_port );
179 * broadcast yy=0x02, xx= 0x00
180 * pre-recorded yy=0x01, xx= 0x80 if video, 0x00 no video
182 if( p_sys->i_packet_count <= 0 && p_sys->asfh.i_data_packets_count > 0 )
184 p_sys->i_packet_count = p_sys->asfh.i_data_packets_count;
186 if( p_sys->i_packet_count <= 0 || ( p_sys->i_flags_broadcast >> 24 ) == 0x02 )
188 p_sys->b_seekable = false;
192 p_sys->b_seekable = true;
193 p_access->info.i_size =
194 (uint64_t)p_sys->i_header +
195 (uint64_t)p_sys->i_packet_count * (uint64_t)p_sys->i_packet_length;
198 /* *** Start stream *** */
199 if( MMSStart( p_access, 0xffffffff ) < 0 )
201 msg_Err( p_access, "cannot start stream" );
202 MMSTUClose ( p_access );
206 /* Keep the connection alive when paused */
207 p_sys->p_keepalive = malloc( sizeof( mmstu_keepalive_t ) );
208 p_sys->p_keepalive->p_access = p_access;
209 vlc_mutex_init( &p_sys->p_keepalive->lock );
210 vlc_cond_init( &p_sys->p_keepalive->wait );
211 p_sys->p_keepalive->b_paused = false;
212 if( vlc_clone( &p_sys->p_keepalive->handle, KeepAliveThread,
213 p_sys->p_keepalive, VLC_THREAD_PRIORITY_LOW ) )
215 vlc_cond_destroy( &p_sys->p_keepalive->wait );
216 vlc_mutex_destroy( &p_sys->p_keepalive->lock );
217 free( p_sys->p_keepalive );
218 p_sys->p_keepalive = NULL;
224 /*****************************************************************************
225 * Close: free unused data structures
226 *****************************************************************************/
227 void MMSTUClose( access_t *p_access )
229 access_sys_t *p_sys = p_access->p_sys;
231 if( p_sys->p_keepalive )
233 vlc_cancel( p_sys->p_keepalive->handle );
234 vlc_join( p_sys->p_keepalive->handle, NULL );
235 vlc_cond_destroy( &p_sys->p_keepalive->wait );
236 vlc_mutex_destroy( &p_sys->p_keepalive->lock );
237 free( p_sys->p_keepalive );
240 /* close connection with server */
241 MMSClose( p_access );
244 vlc_UrlClean( &p_sys->url );
245 vlc_mutex_destroy( &p_sys->lock_netwrite );
250 /*****************************************************************************
252 *****************************************************************************/
253 static int Control( access_t *p_access, int i_query, va_list args )
255 access_sys_t *p_sys = p_access->p_sys;
266 case ACCESS_CAN_SEEK:
267 pb_bool = (bool*)va_arg( args, bool* );
268 *pb_bool = p_sys->b_seekable;
271 case ACCESS_CAN_FASTSEEK:
272 pb_bool = (bool*)va_arg( args, bool* );
276 case ACCESS_CAN_PAUSE:
277 pb_bool = (bool*)va_arg( args, bool* );
281 case ACCESS_CAN_CONTROL_PACE:
282 pb_bool = (bool*)va_arg( args, bool* );
284 #if 0 /* Disable for now until we have a clock synchro algo
285 * which works with something else than MPEG over UDP */
293 pi_int = (int*)va_arg( args, int * );
294 *pi_int = 3 * p_sys->i_packet_length;
297 case ACCESS_GET_PTS_DELAY:
298 pi_64 = (int64_t*)va_arg( args, int64_t * );
299 var_Get( p_access, "mms-caching", &val );
300 *pi_64 = (int64_t)var_GetInteger( p_access, "mms-caching" ) * INT64_C(1000);
303 case ACCESS_GET_PRIVATE_ID_STATE:
304 i_int = (int)va_arg( args, int );
305 pb_bool = (bool *)va_arg( args, bool * );
307 if( i_int < 0 || i_int > 127 )
309 *pb_bool = p_sys->asfh.stream[i_int].i_selected ? true : false;
313 case ACCESS_SET_PAUSE_STATE:
314 b_bool = (bool)va_arg( args, int );
318 Seek( p_access, p_access->info.i_pos );
320 vlc_mutex_lock( &p_sys->p_keepalive->lock );
321 p_sys->p_keepalive->b_paused = b_bool;
323 vlc_cond_signal( &p_sys->p_keepalive->wait );
324 vlc_mutex_unlock( &p_sys->p_keepalive->lock );
327 case ACCESS_GET_TITLE_INFO:
328 case ACCESS_SET_TITLE:
329 case ACCESS_SET_SEEKPOINT:
330 case ACCESS_SET_PRIVATE_ID_STATE:
331 case ACCESS_GET_CONTENT_TYPE:
336 msg_Warn( p_access, "unimplemented query in control" );
343 /*****************************************************************************
344 * Seek: try to go at the right place
345 *****************************************************************************/
346 static int Seek( access_t * p_access, int64_t i_pos )
348 access_sys_t *p_sys = p_access->p_sys;
356 if( i_pos < p_sys->i_header)
359 if( p_access->info.i_pos < p_sys->i_header )
361 /* no need to restart stream, it was already one
362 * or no stream was yet read */
363 p_access->info.i_pos = i_pos;
368 i_packet = 0xffffffff;
374 i_packet = ( i_pos - p_sys->i_header ) / p_sys->i_packet_length;
375 i_offset = ( i_pos - p_sys->i_header ) % p_sys->i_packet_length;
377 msg_Dbg( p_access, "seeking to %"PRId64 " (packet:%d)", i_pos, i_packet );
380 msg_Dbg( p_access, "stream stopped (seek)" );
382 /* *** restart stream *** */
383 var_buffer_initwrite( &buffer, 0 );
384 var_buffer_add64( &buffer, 0 ); /* seek point in second */
385 var_buffer_add32( &buffer, 0xffffffff );
386 var_buffer_add32( &buffer, i_packet ); // begin from start
387 var_buffer_add8( &buffer, 0xff ); // stream time limit
388 var_buffer_add8( &buffer, 0xff ); // on 3bytes ...
389 var_buffer_add8( &buffer, 0xff ); //
390 var_buffer_add8( &buffer, 0x00 ); // don't use limit
391 var_buffer_add32( &buffer, p_sys->i_media_packet_id_type );
393 mms_CommandSend( p_access, 0x07, p_sys->i_command_level, 0x0001ffff,
394 buffer.p_data, buffer.i_data );
396 var_buffer_free( &buffer );
399 while( vlc_object_alive (p_access) )
401 if( mms_HeaderMediaRead( p_access, MMS_PACKET_CMD ) < 0 )
403 p_access->info.b_eof = true;
407 if( p_sys->i_command == 0x1e )
409 msg_Dbg( p_access, "received 0x1e (seek)" );
414 while( vlc_object_alive (p_access) )
416 if( mms_HeaderMediaRead( p_access, MMS_PACKET_CMD ) < 0 )
418 p_access->info.b_eof = true;
421 if( p_sys->i_command == 0x05 )
423 msg_Dbg( p_access, "received 0x05 (seek)" );
429 if( mms_HeaderMediaRead( p_access, MMS_PACKET_MEDIA ) < 0 )
431 p_access->info.b_eof = true;
435 msg_Dbg( p_access, "Streaming restarted" );
437 p_sys->i_media_used += i_offset;
438 p_access->info.i_pos = i_pos;
439 p_access->info.b_eof = false;
444 /*****************************************************************************
446 *****************************************************************************/
447 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
449 access_sys_t *p_sys = p_access->p_sys;
453 if( p_access->info.b_eof )
460 /* *** now send data if needed *** */
461 while( i_data < i_len )
463 if( p_access->info.i_pos < p_sys->i_header )
465 i_copy = __MIN( i_len, p_sys->i_header - p_access->info.i_pos );
466 memcpy( &p_buffer[i_data], &p_sys->p_header[p_access->info.i_pos], i_copy );
468 p_access->info.i_pos += i_copy;
470 else if( p_sys->i_media_used < p_sys->i_media )
472 i_copy = __MIN( i_len - i_data ,
473 p_sys->i_media - p_sys->i_media_used );
474 memcpy( &p_buffer[i_data], &p_sys->p_media[p_sys->i_media_used], i_copy );
476 p_sys->i_media_used += i_copy;
477 p_access->info.i_pos += i_copy;
479 else if( p_sys->p_media != NULL &&
480 p_sys->i_media_used < p_sys->i_packet_length )
482 i_copy = __MIN( i_len - i_data,
483 p_sys->i_packet_length - p_sys->i_media_used);
484 memset( &p_buffer[i_data], 0, i_copy );
487 p_sys->i_media_used += i_copy;
488 p_access->info.i_pos += i_copy;
490 else if( p_access->info.b_eof ||
491 mms_HeaderMediaRead( p_access, MMS_PACKET_MEDIA ) < 0 )
500 /****************************************************************************
501 * MMSOpen : Open a connection with the server over mmst or mmsu
502 ****************************************************************************/
503 static int MMSOpen( access_t *p_access, vlc_url_t *p_url, int i_proto )
505 access_sys_t *p_sys = p_access->p_sys;
506 int b_udp = ( i_proto == MMS_PROTO_UDP ) ? 1 : 0;
511 int i_server_version;
513 int i_update_player_url;
514 int i_encryption_type;
521 /* *** Open a TCP connection with server *** */
522 msg_Dbg( p_access, "waiting for connection..." );
523 p_sys->i_handle_tcp = net_ConnectTCP( p_access, p_url->psz_host, p_url->i_port );
524 if( p_sys->i_handle_tcp < 0 )
526 msg_Err( p_access, "failed to open a connection (tcp)" );
530 "connection(tcp) with \"%s:%d\" successful",
534 /* *** Bind port if UDP protocol is selected *** */
537 if( net_GetSockAddress( p_sys->i_handle_tcp, p_sys->sz_bind_addr,
540 net_Close( p_sys->i_handle_tcp );
544 p_sys->i_handle_udp = net_ListenUDP1( (vlc_object_t *)p_access, p_sys->sz_bind_addr,
546 if( p_sys->i_handle_udp < 0 )
548 msg_Err( p_access, "failed to open a connection (udp)" );
549 net_Close( p_sys->i_handle_tcp );
553 "connection(udp) at \"%s:%d\" successful",
554 p_sys->sz_bind_addr, 7000 );
557 /* *** Init context for mms prototcol *** */
558 GenerateGuid ( &p_sys->guid ); /* used to identify client by server */
560 "generated guid: "GUID_FMT,
561 GUID_PRINT( p_sys->guid ) );
562 p_sys->i_command_level = 1; /* updated after 0x1A command */
563 p_sys->i_seq_num = 0;
564 p_sys->i_media_packet_id_type = 0x04;
565 p_sys->i_header_packet_id_type = 0x02;
566 p_sys->i_proto = i_proto;
567 p_sys->i_packet_seq_num = 0;
568 p_sys->p_header = NULL;
570 p_sys->p_media = NULL;
572 p_sys->i_media_used = 0;
574 p_access->info.i_pos = 0;
575 p_sys->i_buffer_tcp = 0;
576 p_sys->i_buffer_udp = 0;
579 p_access->info.b_eof = false;
581 /* *** send command 1 : connection request *** */
582 var_buffer_initwrite( &buffer, 0 );
583 var_buffer_add16( &buffer, 0x001c );
584 var_buffer_add16( &buffer, 0x0003 );
586 "NSPlayer/7.0.0.1956; {"GUID_FMT"}; Host: %s",
587 GUID_PRINT( p_sys->guid ),
589 var_buffer_addUTF16( &buffer, tmp );
591 mms_CommandSend( p_access,
592 0x01, /* connexion request */
593 0x00000000, /* flags, FIXME */
594 0x0004000b, /* ???? */
598 if( mms_CommandRead( p_access, 0x01, 0 ) < 0 )
600 var_buffer_free( &buffer );
601 MMSClose( p_access );
605 i_server_version = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 32 );
606 i_tool_version = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 36 );
607 i_update_player_url = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 40 );
608 i_encryption_type = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 44 );
609 p = (uint16_t*)( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 48 );
610 #define GETUTF16( psz, size ) \
613 psz = malloc( size + 1); \
614 for( i = 0; i < size; i++ ) \
621 GETUTF16( p_sys->psz_server_version, i_server_version );
622 GETUTF16( p_sys->psz_tool_version, i_tool_version );
623 GETUTF16( p_sys->psz_update_player_url, i_update_player_url );
624 GETUTF16( p_sys->psz_encryption_type, i_encryption_type );
627 "0x01 --> server_version:\"%s\" tool_version:\"%s\" update_player_url:\"%s\" encryption_type:\"%s\"",
628 p_sys->psz_server_version,
629 p_sys->psz_tool_version,
630 p_sys->psz_update_player_url,
631 p_sys->psz_encryption_type );
633 /* *** should make an 18 command to make data timing *** */
635 /* *** send command 2 : transport protocol selection *** */
636 var_buffer_reinitwrite( &buffer, 0 );
637 var_buffer_add32( &buffer, 0x00000000 );
638 var_buffer_add32( &buffer, 0x000a0000 );
639 var_buffer_add32( &buffer, 0x00000002 );
649 sprintf( tmp, "\\\\192.168.0.1\\TCP\\1242" );
651 var_buffer_addUTF16( &buffer, tmp );
652 var_buffer_add16( &buffer, '0' );
654 mms_CommandSend( p_access,
655 0x02, /* connexion request */
656 0x00000000, /* flags, FIXME */
657 0xffffffff, /* ???? */
661 /* *** response from server, should be 0x02 or 0x03 *** */
662 mms_CommandRead( p_access, 0x02, 0x03 );
663 if( p_sys->i_command == 0x03 )
666 "%s protocol selection failed", b_udp ? "UDP" : "TCP" );
667 var_buffer_free( &buffer );
668 MMSClose( p_access );
671 else if( p_sys->i_command != 0x02 )
673 msg_Warn( p_access, "received command isn't 0x02 in reponse to 0x02" );
676 /* *** send command 5 : media file name/path requested *** */
677 var_buffer_reinitwrite( &buffer, 0 );
678 var_buffer_add64( &buffer, 0 );
680 /* media file path shouldn't start with / character */
681 mediapath = p_url->psz_path;
682 if ( *mediapath == '/' )
686 var_buffer_addUTF16( &buffer, mediapath );
688 mms_CommandSend( p_access,
690 p_sys->i_command_level,
695 /* *** wait for reponse *** */
696 mms_CommandRead( p_access, 0x1a, 0x06 );
698 /* test if server send 0x1A answer */
699 if( p_sys->i_command == 0x1A )
701 msg_Err( p_access, "id/password requested (not yet supported)" );
703 var_buffer_free( &buffer );
704 MMSClose( p_access );
707 if( p_sys->i_command != 0x06 )
710 "unknown answer (0x%x instead of 0x06)",
712 var_buffer_free( &buffer );
713 MMSClose( p_access );
717 /* 1 for file ok, 2 for authen ok */
718 switch( GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE ) )
721 msg_Dbg( p_access, "media file name/path accepted" );
724 msg_Dbg( p_access, "authentication accepted" );
728 msg_Err( p_access, "error while asking for file %d",
729 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE ) );
730 var_buffer_free( &buffer );
731 MMSClose( p_access );
735 p_sys->i_flags_broadcast =
736 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 12 );
737 p_sys->i_media_length =
738 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 24 );
739 p_sys->i_packet_length =
740 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 44 );
741 p_sys->i_packet_count =
742 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 48 );
743 p_sys->i_max_bit_rate =
744 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 56 );
745 p_sys->i_header_size =
746 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 60 );
749 "answer 0x06 flags:0x%8.8"PRIx32" media_length:%"PRIu32"s "
750 "packet_length:%zul packet_count:%"PRId32" max_bit_rate:%d "
752 p_sys->i_flags_broadcast,
753 p_sys->i_media_length,
754 (unsigned)p_sys->i_packet_length,
755 p_sys->i_packet_count,
756 p_sys->i_max_bit_rate,
757 p_sys->i_header_size );
759 /* *** send command 15 *** */
761 var_buffer_reinitwrite( &buffer, 0 );
762 var_buffer_add32( &buffer, 0 );
763 var_buffer_add32( &buffer, 0x8000 );
764 var_buffer_add32( &buffer, 0xffffffff );
765 var_buffer_add32( &buffer, 0x00 );
766 var_buffer_add32( &buffer, 0x00 );
767 var_buffer_add32( &buffer, 0x00 );
768 var_buffer_add64( &buffer, (((uint64_t)0x40ac2000)<<32) );
769 var_buffer_add32( &buffer, p_sys->i_header_packet_id_type );
770 var_buffer_add32( &buffer, 0x00 );
771 mms_CommandSend( p_access, 0x15, p_sys->i_command_level, 0x00,
772 buffer.p_data, buffer.i_data );
774 /* *** wait for reponse *** */
775 /* Commented out because it fails on some stream (no 0x11 answer) */
777 mms_CommandRead( p_access, 0x11, 0 );
779 if( p_sys->i_command != 0x11 )
782 "unknown answer (0x%x instead of 0x11)",
784 var_buffer_free( &buffer );
785 MMSClose( p_access );
790 /* *** now read header packet *** */
791 /* XXX could be split over multiples packets */
792 msg_Dbg( p_access, "reading header" );
795 if( mms_HeaderMediaRead( p_access, MMS_PACKET_HEADER ) < 0 )
797 msg_Err( p_access, "cannot receive header" );
798 var_buffer_free( &buffer );
799 MMSClose( p_access );
802 if( p_sys->i_header >= p_sys->i_header_size )
805 "header complete(%zu)",
810 "header incomplete (%zu/%zu), reading more",
812 p_sys->i_header_size );
815 /* *** parse header and get stream and their id *** */
816 /* get all streams properties,
818 * TODO : stream bitrates properties(optional)
819 * and bitrate mutual exclusion(optional) */
820 asf_HeaderParse ( &p_sys->asfh,
821 p_sys->p_header, p_sys->i_header );
822 asf_StreamSelect( &p_sys->asfh,
823 var_CreateGetInteger( p_access, "mms-maxbitrate" ),
824 var_CreateGetInteger( p_access, "mms-all" ),
825 var_CreateGetInteger( p_access, "audio" ),
826 var_CreateGetInteger( p_access, "video" ) );
828 /* *** now select stream we want to receive *** */
829 /* TODO take care of stream bitrate TODO */
832 var_buffer_reinitwrite( &buffer, 0 );
833 /* for now, select first audio and video stream */
834 for( i = 1; i < 128; i++ )
837 if( p_sys->asfh.stream[i].i_cat != ASF_STREAM_UNKNOWN )
842 var_buffer_add16( &buffer, 0xffff );
843 var_buffer_add16( &buffer, i );
849 if( p_sys->asfh.stream[i].i_selected )
851 var_buffer_add16( &buffer, 0x0000 );
853 "selecting stream[0x%x] %s (%d kb/s)",
855 ( p_sys->asfh.stream[i].i_cat == ASF_STREAM_AUDIO ) ?
857 p_sys->asfh.stream[i].i_bitrate / 1024);
861 var_buffer_add16( &buffer, 0x0002 );
863 "ignoring stream[0x%x] %s (%d kb/s)",
865 ( p_sys->asfh.stream[i].i_cat == ASF_STREAM_AUDIO ) ?
867 p_sys->asfh.stream[i].i_bitrate / 1024);
875 msg_Err( p_access, "cannot find any stream" );
876 var_buffer_free( &buffer );
877 MMSClose( p_access );
880 mms_CommandSend( p_access, 0x33,
882 0xffff | ( i_first << 16 ),
883 buffer.p_data, buffer.i_data );
885 mms_CommandRead( p_access, 0x21, 0 );
886 if( p_sys->i_command != 0x21 )
889 "unknown answer (0x%x instead of 0x21)",
891 var_buffer_free( &buffer );
892 MMSClose( p_access );
897 var_buffer_free( &buffer );
899 msg_Info( p_access, "connection successful" );
904 /****************************************************************************
905 * MMSStart : Start streaming
906 ****************************************************************************/
907 static int MMSStart( access_t *p_access, uint32_t i_packet )
909 access_sys_t *p_sys = p_access->p_sys;
912 /* *** start stream from packet 0 *** */
913 var_buffer_initwrite( &buffer, 0 );
914 var_buffer_add64( &buffer, 0 ); /* seek point in second */
915 var_buffer_add32( &buffer, 0xffffffff );
916 var_buffer_add32( &buffer, i_packet ); // begin from start
917 var_buffer_add8( &buffer, 0xff ); // stream time limit
918 var_buffer_add8( &buffer, 0xff ); // on 3bytes ...
919 var_buffer_add8( &buffer, 0xff ); //
920 var_buffer_add8( &buffer, 0x00 ); // don't use limit
921 var_buffer_add32( &buffer, p_sys->i_media_packet_id_type );
923 mms_CommandSend( p_access, 0x07, p_sys->i_command_level, 0x0001ffff,
924 buffer.p_data, buffer.i_data );
926 var_buffer_free( &buffer );
928 mms_CommandRead( p_access, 0x05, 0 );
930 if( p_sys->i_command != 0x05 )
933 "unknown answer (0x%x instead of 0x05)",
940 if( mms_HeaderMediaRead( p_access, MMS_PACKET_MEDIA ) < 0 )
942 msg_Dbg( p_access, "streaming started" );
947 /****************************************************************************
948 * MMSStop : Stop streaming
949 ****************************************************************************/
950 static int MMSStop( access_t *p_access )
952 access_sys_t *p_sys = p_access->p_sys;
954 /* *** stop stream but keep connection alive *** */
955 mms_CommandSend( p_access,
957 p_sys->i_command_level,
963 /****************************************************************************
964 * MMSClose : Close streaming and connection
965 ****************************************************************************/
966 static void MMSClose( access_t *p_access )
968 access_sys_t *p_sys = p_access->p_sys;
970 msg_Dbg( p_access, "Connection closed" );
972 /* *** tell server that we will disconnect *** */
973 mms_CommandSend( p_access,
975 p_sys->i_command_level,
979 /* *** close sockets *** */
980 net_Close( p_sys->i_handle_tcp );
981 if( p_sys->i_proto == MMS_PROTO_UDP )
983 net_Close( p_sys->i_handle_udp );
986 FREENULL( p_sys->p_cmd );
987 FREENULL( p_sys->p_media );
988 FREENULL( p_sys->p_header );
990 FREENULL( p_sys->psz_server_version );
991 FREENULL( p_sys->psz_tool_version );
992 FREENULL( p_sys->psz_update_player_url );
993 FREENULL( p_sys->psz_encryption_type );
996 /****************************************************************************
998 * MMS specific functions
1000 ****************************************************************************/
1001 static int mms_CommandSend( access_t *p_access, int i_command,
1002 uint32_t i_prefix1, uint32_t i_prefix2,
1003 uint8_t *p_data, int i_data_old )
1005 var_buffer_t buffer;
1006 access_sys_t *p_sys = p_access->p_sys;
1007 int i_data_by8, i_ret;
1008 int i_data = i_data_old;
1010 while( i_data & 0x7 ) i_data++;
1011 i_data_by8 = i_data >> 3;
1013 /* first init buffer */
1014 var_buffer_initwrite( &buffer, 0 );
1016 var_buffer_add32( &buffer, 0x00000001 ); /* start sequence */
1017 var_buffer_add32( &buffer, 0xB00BFACE );
1018 /* size after protocol type */
1019 var_buffer_add32( &buffer, i_data + MMS_CMD_HEADERSIZE - 16 );
1020 var_buffer_add32( &buffer, 0x20534d4d ); /* protocol "MMS " */
1021 var_buffer_add32( &buffer, i_data_by8 + 4 );
1022 var_buffer_add32( &buffer, p_sys->i_seq_num ); p_sys->i_seq_num++;
1023 var_buffer_add64( &buffer, 0 );
1024 var_buffer_add32( &buffer, i_data_by8 + 2 );
1025 var_buffer_add32( &buffer, 0x00030000 | i_command ); /* dir | command */
1026 var_buffer_add32( &buffer, i_prefix1 ); /* command specific */
1027 var_buffer_add32( &buffer, i_prefix2 ); /* command specific */
1029 /* specific command data */
1030 if( p_data && i_data > 0 )
1032 var_buffer_addmemory( &buffer, p_data, i_data_old );
1035 /* Append padding to the command data */
1036 var_buffer_add64( &buffer, 0 );
1039 vlc_mutex_lock( &p_sys->lock_netwrite );
1040 i_ret = net_Write( p_access, p_sys->i_handle_tcp, NULL, buffer.p_data,
1041 buffer.i_data - ( 8 - ( i_data - i_data_old ) ) );
1042 vlc_mutex_unlock( &p_sys->lock_netwrite );
1043 if( i_ret != buffer.i_data - ( 8 - ( i_data - i_data_old ) ) )
1045 msg_Err( p_access, "failed to send command" );
1046 return VLC_EGENERIC;
1049 var_buffer_free( &buffer );
1053 static int NetFillBuffer( access_t *p_access )
1059 access_sys_t *p_sys = p_access->p_sys;
1061 struct pollfd ufd[2];
1062 unsigned timeout, nfd;
1064 /* FIXME when using udp */
1065 ssize_t i_tcp, i_udp;
1066 ssize_t i_tcp_read, i_udp_read;
1069 i_tcp = MMS_BUFFER_SIZE/2 - p_sys->i_buffer_tcp;
1071 if( p_sys->i_proto == MMS_PROTO_UDP )
1073 i_udp = MMS_BUFFER_SIZE/2 - p_sys->i_buffer_udp;
1077 i_udp = 0; /* there isn't udp socket */
1080 if( ( i_udp <= 0 ) && ( i_tcp <= 0 ) )
1082 msg_Warn( p_access, "nothing to read %d:%d", (int)i_tcp, (int)i_udp );
1087 /* msg_Warn( p_access, "ask for tcp:%d udp:%d", i_tcp, i_udp ); */
1090 /* Find if some data is available */
1095 /* Initialize file descriptor set */
1096 memset (ufd, 0, sizeof (ufd));
1101 ufd[nfd].fd = p_sys->i_handle_tcp;
1102 ufd[nfd].events = POLLIN;
1107 ufd[nfd].fd = p_sys->i_handle_tcp;
1108 ufd[nfd].events = POLLIN;
1112 /* We'll wait 0.5 second if nothing happens */
1115 if( i_try * timeout > p_sys->i_timeout )
1117 msg_Err(p_access, "no data received");
1121 if( i_try > 3 && (p_sys->i_buffer_tcp > 0 || p_sys->i_buffer_udp > 0) )
1126 if( !vlc_object_alive (p_access) || p_access->b_error ) return -1;
1128 //msg_Dbg( p_access, "NetFillBuffer: trying again (select)" );
1130 } while( !(i_ret = poll( ufd, nfd, timeout)) ||
1131 (i_ret < 0 && errno == EINTR) );
1135 msg_Err( p_access, "network poll error (%m)" );
1139 i_tcp_read = i_udp_read = 0;
1141 if( ( i_tcp > 0 ) && ufd[0].revents )
1144 recv( p_sys->i_handle_tcp,
1145 p_sys->buffer_tcp + p_sys->i_buffer_tcp,
1146 i_tcp + MMS_BUFFER_SIZE/2, 0 );
1149 if( i_udp > 0 && ufd[i_tcp > 0].revents )
1151 i_udp_read = recv( p_sys->i_handle_udp,
1152 p_sys->buffer_udp + p_sys->i_buffer_udp,
1153 i_udp + MMS_BUFFER_SIZE/2, 0 );
1157 if( p_sys->i_proto == MMS_PROTO_UDP )
1159 msg_Dbg( p_access, "filling buffer TCP:%d+%d UDP:%d+%d",
1160 p_sys->i_buffer_tcp, i_tcp_read,
1161 p_sys->i_buffer_udp, i_udp_read );
1165 msg_Dbg( p_access, "filling buffer TCP:%d+%d",
1166 p_sys->i_buffer_tcp, i_tcp_read );
1170 if( i_tcp_read > 0 ) p_sys->i_buffer_tcp += i_tcp_read;
1171 if( i_udp_read > 0 ) p_sys->i_buffer_udp += i_udp_read;
1173 return i_tcp_read + i_udp_read;
1177 static int mms_ParseCommand( access_t *p_access,
1182 #define GET32( i_pos ) \
1183 ( p_sys->p_cmd[i_pos] + ( p_sys->p_cmd[i_pos +1] << 8 ) + \
1184 ( p_sys->p_cmd[i_pos + 2] << 16 ) + \
1185 ( p_sys->p_cmd[i_pos + 3] << 24 ) )
1187 access_sys_t *p_sys = p_access->p_sys;
1191 free( p_sys->p_cmd );
1192 p_sys->i_cmd = i_data;
1193 p_sys->p_cmd = malloc( i_data );
1194 memcpy( p_sys->p_cmd, p_data, i_data );
1196 *pi_used = i_data; /* by default */
1198 if( i_data < MMS_CMD_HEADERSIZE )
1200 msg_Warn( p_access, "truncated command (header incomplete)" );
1201 p_sys->i_command = 0;
1204 i_id = GetDWLE( p_data + 4 );
1205 i_length = GetDWLE( p_data + 8 ) + 16;
1207 if( i_id != 0xb00bface || i_length < 16 )
1210 "incorrect command header (0x%"PRIx32")", i_id );
1211 p_sys->i_command = 0;
1215 if( i_length > p_sys->i_cmd )
1218 "truncated command (missing %zu bytes)",
1219 (size_t)i_length - i_data );
1220 p_sys->i_command = 0;
1223 else if( i_length < p_sys->i_cmd )
1225 p_sys->i_cmd = i_length;
1226 *pi_used = i_length;
1230 "recv command start_sequence:0x%8.8x command_id:0x%8.8x length:%d len8:%d sequence 0x%8.8x len8_II:%d dir_comm:0x%8.8x",
1234 /* 12: protocol type "MMS " */
1237 /* 24: unknown (0) */
1238 /* 28: unknown (0) */
1244 p_sys->i_command = GET32( 36 ) & 0xffff;
1247 return MMS_PACKET_CMD;
1250 static int mms_ParsePacket( access_t *p_access,
1251 uint8_t *p_data, size_t i_data,
1254 access_sys_t *p_sys = p_access->p_sys;
1255 int i_packet_seq_num;
1256 size_t i_packet_length;
1257 uint32_t i_packet_id;
1262 *pi_used = i_data; /* default */
1265 msg_Warn( p_access, "truncated packet (header incomplete)" );
1269 i_packet_id = p_data[4];
1270 i_packet_seq_num = GetDWLE( p_data );
1271 i_packet_length = GetWLE( p_data + 6 );
1273 //msg_Warn( p_access, "------->i_packet_length=%d, i_data=%d", i_packet_length, i_data );
1275 if( i_packet_length > i_data || i_packet_length <= 8)
1277 /* msg_Dbg( p_access,
1278 "truncated packet (Declared %d bytes, Actual %d bytes)",
1279 i_packet_length, i_data ); */
1283 else if( i_packet_length < i_data )
1285 *pi_used = i_packet_length;
1288 if( i_packet_id == 0xff )
1291 "receive MMS UDP pair timing" );
1292 return( MMS_PACKET_UDP_TIMING );
1295 if( i_packet_id != p_sys->i_header_packet_id_type &&
1296 i_packet_id != p_sys->i_media_packet_id_type )
1298 msg_Warn( p_access, "incorrect Packet Id Type (0x%x)", i_packet_id );
1302 /* we now have a media or a header packet */
1303 p_packet = malloc( i_packet_length - 8 ); // don't bother with preheader
1304 memcpy( p_packet, p_data + 8, i_packet_length - 8 );
1306 if( i_packet_seq_num != p_sys->i_packet_seq_num )
1309 /* FIXME for udp could be just wrong order ? */
1311 "detected packet lost (%d != %d)",
1313 p_sys->i_packet_seq_num );
1316 p_sys->i_packet_seq_num = i_packet_seq_num + 1;
1318 if( i_packet_id == p_sys->i_header_packet_id_type )
1320 if( p_sys->p_header )
1322 p_sys->p_header = realloc( p_sys->p_header,
1323 p_sys->i_header + i_packet_length - 8 );
1324 memcpy( &p_sys->p_header[p_sys->i_header],
1326 i_packet_length - 8 );
1327 p_sys->i_header += i_packet_length - 8;
1333 p_sys->p_header = p_packet;
1334 p_sys->i_header = i_packet_length - 8;
1336 /* msg_Dbg( p_access,
1337 "receive header packet (%d bytes)",
1338 i_packet_length - 8 ); */
1340 return MMS_PACKET_HEADER;
1344 FREENULL( p_sys->p_media );
1345 p_sys->p_media = p_packet;
1346 p_sys->i_media = i_packet_length - 8;
1347 p_sys->i_media_used = 0;
1348 /* msg_Dbg( p_access,
1349 "receive media packet (%d bytes)",
1350 i_packet_length - 8 ); */
1352 return MMS_PACKET_MEDIA;
1356 static int mms_ReceivePacket( access_t *p_access )
1358 access_sys_t *p_sys = p_access->p_sys;
1359 int i_packet_tcp_type;
1360 int i_packet_udp_type;
1364 bool b_refill = true;
1366 /* first if we need to refill buffer */
1367 if( p_sys->i_buffer_tcp >= MMS_CMD_HEADERSIZE )
1369 if( GetDWLE( p_sys->buffer_tcp + 4 ) == 0xb00bface )
1371 if( GetDWLE( p_sys->buffer_tcp + 8 ) + 16 <=
1372 (uint32_t)p_sys->i_buffer_tcp )
1377 else if( GetWLE( p_sys->buffer_tcp + 6 ) <= p_sys->i_buffer_tcp )
1382 if( p_sys->i_proto == MMS_PROTO_UDP && p_sys->i_buffer_udp >= 8 &&
1383 GetWLE( p_sys->buffer_udp + 6 ) <= p_sys->i_buffer_udp )
1388 if( b_refill && NetFillBuffer( p_access ) < 0 )
1390 msg_Warn( p_access, "cannot fill buffer" );
1394 i_packet_tcp_type = -1;
1395 i_packet_udp_type = -1;
1397 if( p_sys->i_buffer_tcp > 0 )
1401 if( GetDWLE( p_sys->buffer_tcp + 4 ) == 0xb00bface )
1404 mms_ParseCommand( p_access, p_sys->buffer_tcp,
1405 p_sys->i_buffer_tcp, &i_used );
1411 mms_ParsePacket( p_access, p_sys->buffer_tcp,
1412 p_sys->i_buffer_tcp, &i_used );
1414 if( i_used > 0 && i_used < MMS_BUFFER_SIZE )
1416 memmove( p_sys->buffer_tcp, p_sys->buffer_tcp + i_used,
1417 MMS_BUFFER_SIZE - i_used );
1419 p_sys->i_buffer_tcp -= i_used;
1421 else if( p_sys->i_buffer_udp > 0 )
1426 mms_ParsePacket( p_access, p_sys->buffer_udp,
1427 p_sys->i_buffer_udp, &i_used );
1429 if( i_used > 0 && i_used < MMS_BUFFER_SIZE )
1431 memmove( p_sys->buffer_udp, p_sys->buffer_udp + i_used,
1432 MMS_BUFFER_SIZE - i_used );
1434 p_sys->i_buffer_udp -= i_used;
1437 if( i_packet_tcp_type == MMS_PACKET_CMD && p_sys->i_command == 0x1b )
1439 mms_CommandSend( p_access, 0x1b, 0, 0, NULL, 0 );
1440 i_packet_tcp_type = -1;
1443 if( i_packet_tcp_type != -1 )
1445 return i_packet_tcp_type;
1447 else if( i_packet_udp_type != -1 )
1449 return i_packet_udp_type;
1454 static int mms_ReceiveCommand( access_t *p_access )
1456 access_sys_t *p_sys = p_access->p_sys;
1463 if( NetFillBuffer( p_access ) < 0 )
1465 msg_Warn( p_access, "cannot fill buffer" );
1466 return VLC_EGENERIC;
1468 if( p_sys->i_buffer_tcp > 0 )
1470 i_status = mms_ParseCommand( p_access, p_sys->buffer_tcp,
1471 p_sys->i_buffer_tcp, &i_used );
1472 if( i_used < MMS_BUFFER_SIZE )
1474 memmove( p_sys->buffer_tcp, p_sys->buffer_tcp + i_used,
1475 MMS_BUFFER_SIZE - i_used );
1477 p_sys->i_buffer_tcp -= i_used;
1481 return VLC_EGENERIC;
1484 if( p_sys->i_command == 0x1b )
1486 mms_CommandSend( p_access, 0x1b, 0, 0, NULL, 0 );
1495 return VLC_EGENERIC;
1502 #define MMS_RETRY_MAX 10
1503 #define MMS_RETRY_SLEEP 50000
1505 static int mms_CommandRead( access_t *p_access, int i_command1,
1508 access_sys_t *p_sys = p_access->p_sys;
1512 for( i_count = 0; i_count < MMS_RETRY_MAX; )
1514 i_status = mms_ReceiveCommand( p_access );
1515 if( i_status < 0 || p_sys->i_command == 0 )
1518 msleep( MMS_RETRY_SLEEP );
1520 else if( i_command1 == 0 && i_command2 == 0)
1524 else if( p_sys->i_command == i_command1 ||
1525 p_sys->i_command == i_command2 )
1531 switch( p_sys->i_command )
1534 msg_Warn( p_access, "socket closed by server" );
1535 p_access->info.b_eof = true;
1536 return VLC_EGENERIC;
1538 msg_Warn( p_access, "end of media stream" );
1539 p_access->info.b_eof = true;
1540 return VLC_EGENERIC;
1546 p_access->info.b_eof = true;
1547 msg_Warn( p_access, "failed to receive command (aborting)" );
1549 return VLC_EGENERIC;
1553 static int mms_HeaderMediaRead( access_t *p_access, int i_type )
1555 access_sys_t *p_sys = p_access->p_sys;
1558 for( i_count = 0; i_count < MMS_RETRY_MAX; )
1562 if( !vlc_object_alive (p_access) )
1565 i_status = mms_ReceivePacket( p_access );
1569 msg_Warn( p_access, "cannot receive header (%d/%d)",
1570 i_count, MMS_RETRY_MAX );
1571 msleep( MMS_RETRY_SLEEP );
1573 else if( i_status == i_type || i_type == MMS_PACKET_ANY )
1577 else if( i_status == MMS_PACKET_CMD )
1579 switch( p_sys->i_command )
1582 msg_Warn( p_access, "socket closed by server" );
1583 p_access->info.b_eof = true;
1586 msg_Warn( p_access, "end of media stream" );
1587 p_access->info.b_eof = true;
1590 /* XXX not too dificult to be done EXCEPT that we
1591 * need to restart demuxer... and I don't see how we
1592 * could do that :p */
1594 "reinitialization needed --> unsupported" );
1595 p_access->info.b_eof = true;
1603 msg_Err( p_access, "cannot receive %s (aborting)",
1604 ( i_type == MMS_PACKET_HEADER ) ? "header" : "media data" );
1605 p_access->info.b_eof = true;
1609 static void* KeepAliveThread( void *p_data )
1611 mmstu_keepalive_t *p_thread = (mmstu_keepalive_t *) p_data;
1612 access_t *p_access = p_thread->p_access;
1614 vlc_mutex_lock( &p_thread->lock );
1615 mutex_cleanup_push( &p_thread->lock );
1619 /* Do nothing until paused (if ever) */
1620 while( !p_thread->b_paused )
1621 vlc_cond_wait( &p_thread->wait, &p_thread->lock );
1627 /* Send keep-alive every ten seconds */
1628 vlc_mutex_unlock( &p_thread->lock );
1629 canc = vlc_savecancel();
1631 mms_CommandSend( p_access, 0x1b, 0, 0, NULL, 0 );
1633 vlc_restorecancel( canc );
1634 vlc_mutex_lock( &p_thread->lock );
1636 msleep( 10 * CLOCK_FREQ );
1638 while( p_thread->b_paused );