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 block_t *Block( access_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 access_InitFields( p_access );
106 p_access->pf_read = NULL;
107 p_access->pf_block = Block;
108 p_access->pf_control = Control;
109 p_access->pf_seek = Seek;
111 p_access->p_sys = p_sys = calloc( 1, sizeof( access_sys_t ) );
112 if( !p_sys ) return VLC_ENOMEM;
114 p_sys->i_timeout = var_CreateGetInteger( p_access, "mms-timeout" );
116 vlc_mutex_init( &p_sys->lock_netwrite );
118 /* *** Parse URL and get server addr/port and path *** */
119 vlc_UrlParse( &p_sys->url, p_access->psz_path, 0 );
120 if( p_sys->url.psz_host == NULL || *p_sys->url.psz_host == '\0' )
122 msg_Err( p_access, "invalid server name" );
123 vlc_UrlClean( &p_sys->url );
124 vlc_mutex_destroy( &p_sys->lock_netwrite );
128 if( p_sys->url.i_port <= 0 )
130 p_sys->url.i_port = 1755;
133 /* *** connect to this server *** */
134 /* look at requested protocol (udp/tcp) */
135 i_proto = MMS_PROTO_AUTO;
136 if( *p_access->psz_access )
138 if( !strncmp( p_access->psz_access, "mmsu", 4 ) )
140 i_proto = MMS_PROTO_UDP;
142 else if( !strncmp( p_access->psz_access, "mmst", 4 ) )
144 i_proto = MMS_PROTO_TCP;
149 if( i_proto == MMS_PROTO_AUTO )
150 { /* first try with TCP and then UDP*/
151 if( ( i_status = MMSOpen( p_access, &p_sys->url, MMS_PROTO_TCP ) ) )
153 if( !p_access->b_die )
154 i_status = MMSOpen( p_access, &p_sys->url, MMS_PROTO_UDP );
159 i_status = MMSOpen( p_access, &p_sys->url, i_proto );
164 msg_Err( p_access, "cannot connect to server" );
165 vlc_UrlClean( &p_sys->url );
166 vlc_mutex_destroy( &p_sys->lock_netwrite );
171 msg_Dbg( p_access, "connected to %s:%d", p_sys->url.psz_host, p_sys->url.i_port );
175 * broadcast yy=0x02, xx= 0x00
176 * pre-recorded yy=0x01, xx= 0x80 if video, 0x00 no video
178 if( p_sys->i_packet_count <= 0 && p_sys->asfh.i_data_packets_count > 0 )
180 p_sys->i_packet_count = p_sys->asfh.i_data_packets_count;
182 if( p_sys->i_packet_count <= 0 || ( p_sys->i_flags_broadcast >> 24 ) == 0x02 )
184 p_sys->b_seekable = false;
188 p_sys->b_seekable = true;
189 p_access->info.i_size =
190 (uint64_t)p_sys->i_header +
191 (uint64_t)p_sys->i_packet_count * (uint64_t)p_sys->i_packet_length;
194 /* *** Start stream *** */
195 if( MMSStart( p_access, 0xffffffff ) < 0 )
197 msg_Err( p_access, "cannot start stream" );
198 MMSTUClose ( p_access );
202 /* Keep the connection alive when paused */
203 p_sys->p_keepalive = malloc( sizeof( mmstu_keepalive_t ) );
204 if( !p_sys->p_keepalive )
206 MMSTUClose ( p_access );
209 p_sys->p_keepalive->p_access = p_access;
210 vlc_mutex_init( &p_sys->p_keepalive->lock );
211 vlc_cond_init( &p_sys->p_keepalive->wait );
212 p_sys->p_keepalive->b_paused = false;
213 if( vlc_clone( &p_sys->p_keepalive->handle, KeepAliveThread,
214 p_sys->p_keepalive, VLC_THREAD_PRIORITY_LOW ) )
216 vlc_cond_destroy( &p_sys->p_keepalive->wait );
217 vlc_mutex_destroy( &p_sys->p_keepalive->lock );
218 free( p_sys->p_keepalive );
219 p_sys->p_keepalive = NULL;
225 /*****************************************************************************
226 * Close: free unused data structures
227 *****************************************************************************/
228 void MMSTUClose( access_t *p_access )
230 access_sys_t *p_sys = p_access->p_sys;
232 if( p_sys->p_keepalive )
234 vlc_cancel( p_sys->p_keepalive->handle );
235 vlc_join( p_sys->p_keepalive->handle, NULL );
236 vlc_cond_destroy( &p_sys->p_keepalive->wait );
237 vlc_mutex_destroy( &p_sys->p_keepalive->lock );
238 free( p_sys->p_keepalive );
241 /* close connection with server */
242 MMSClose( p_access );
245 vlc_UrlClean( &p_sys->url );
246 vlc_mutex_destroy( &p_sys->lock_netwrite );
251 /*****************************************************************************
253 *****************************************************************************/
254 static int Control( access_t *p_access, int i_query, va_list args )
256 access_sys_t *p_sys = p_access->p_sys;
265 case ACCESS_CAN_SEEK:
266 pb_bool = (bool*)va_arg( args, bool* );
267 *pb_bool = p_sys->b_seekable;
270 case ACCESS_CAN_FASTSEEK:
271 pb_bool = (bool*)va_arg( args, bool* );
275 case ACCESS_CAN_PAUSE:
276 pb_bool = (bool*)va_arg( args, bool* );
280 case ACCESS_CAN_CONTROL_PACE:
281 pb_bool = (bool*)va_arg( args, bool* );
283 #if 0 /* Disable for now until we have a clock synchro algo
284 * which works with something else than MPEG over UDP */
291 case ACCESS_GET_PTS_DELAY:
292 pi_64 = (int64_t*)va_arg( args, int64_t * );
293 *pi_64 = (int64_t)var_GetInteger( p_access, "mms-caching" ) * INT64_C(1000);
296 case ACCESS_GET_PRIVATE_ID_STATE:
297 i_int = (int)va_arg( args, int );
298 pb_bool = (bool *)va_arg( args, bool * );
300 if( i_int < 0 || i_int > 127 )
302 *pb_bool = p_sys->asfh.stream[i_int].i_selected ? true : false;
306 case ACCESS_SET_PAUSE_STATE:
307 b_bool = (bool)va_arg( args, int );
311 Seek( p_access, p_access->info.i_pos );
313 if( p_sys->p_keepalive )
315 vlc_mutex_lock( &p_sys->p_keepalive->lock );
316 p_sys->p_keepalive->b_paused = b_bool;
318 vlc_cond_signal( &p_sys->p_keepalive->wait );
319 vlc_mutex_unlock( &p_sys->p_keepalive->lock );
323 case ACCESS_GET_TITLE_INFO:
324 case ACCESS_SET_TITLE:
325 case ACCESS_SET_SEEKPOINT:
326 case ACCESS_SET_PRIVATE_ID_STATE:
327 case ACCESS_GET_CONTENT_TYPE:
332 msg_Warn( p_access, "unimplemented query in control" );
339 /*****************************************************************************
340 * Seek: try to go at the right place
341 *****************************************************************************/
342 static int Seek( access_t * p_access, int64_t i_pos )
344 access_sys_t *p_sys = p_access->p_sys;
352 if( i_pos < p_sys->i_header)
355 if( p_access->info.i_pos < p_sys->i_header )
357 /* no need to restart stream, it was already one
358 * or no stream was yet read */
359 p_access->info.i_pos = i_pos;
364 i_packet = 0xffffffff;
370 i_packet = ( i_pos - p_sys->i_header ) / p_sys->i_packet_length;
371 i_offset = ( i_pos - p_sys->i_header ) % p_sys->i_packet_length;
373 if( p_sys->b_seekable && i_packet >= p_sys->i_packet_count )
376 msg_Dbg( p_access, "seeking to %"PRId64 " (packet:%d)", i_pos, i_packet );
379 msg_Dbg( p_access, "stream stopped (seek)" );
381 /* *** restart stream *** */
382 var_buffer_initwrite( &buffer, 0 );
383 var_buffer_add64( &buffer, 0 ); /* seek point in second */
384 var_buffer_add32( &buffer, 0xffffffff );
385 var_buffer_add32( &buffer, i_packet ); // begin from start
386 var_buffer_add8( &buffer, 0xff ); // stream time limit
387 var_buffer_add8( &buffer, 0xff ); // on 3bytes ...
388 var_buffer_add8( &buffer, 0xff ); //
389 var_buffer_add8( &buffer, 0x00 ); // don't use limit
390 var_buffer_add32( &buffer, p_sys->i_media_packet_id_type );
392 mms_CommandSend( p_access, 0x07, p_sys->i_command_level, 0x0001ffff,
393 buffer.p_data, buffer.i_data );
395 var_buffer_free( &buffer );
398 while( vlc_object_alive (p_access) )
400 if( mms_HeaderMediaRead( p_access, MMS_PACKET_CMD ) < 0 )
402 p_access->info.b_eof = true;
406 if( p_sys->i_command == 0x1e )
408 msg_Dbg( p_access, "received 0x1e (seek)" );
413 while( vlc_object_alive (p_access) )
415 if( mms_HeaderMediaRead( p_access, MMS_PACKET_CMD ) < 0 )
417 p_access->info.b_eof = true;
420 if( p_sys->i_command == 0x05 )
422 msg_Dbg( p_access, "received 0x05 (seek)" );
428 if( mms_HeaderMediaRead( p_access, MMS_PACKET_MEDIA ) < 0 )
430 p_access->info.b_eof = true;
434 msg_Dbg( p_access, "Streaming restarted" );
436 p_sys->i_media_used += i_offset;
437 p_access->info.i_pos = i_pos;
438 p_access->info.b_eof = false;
443 /*****************************************************************************
445 *****************************************************************************/
446 static block_t *Block( access_t *p_access )
448 access_sys_t *p_sys = p_access->p_sys;
450 if( p_access->info.b_eof )
453 if( p_access->info.i_pos < p_sys->i_header )
455 const size_t i_copy = p_sys->i_header - p_access->info.i_pos;
457 block_t *p_block = block_New( p_access, i_copy );
461 memcpy( p_block->p_buffer, &p_sys->p_header[p_access->info.i_pos], i_copy );
462 p_access->info.i_pos += i_copy;
465 else if( p_sys->p_media && p_sys->i_media_used < __MAX( p_sys->i_media, p_sys->i_packet_length ) )
468 size_t i_padding = 0;
470 if( p_sys->i_media_used < p_sys->i_media )
471 i_copy = p_sys->i_media - p_sys->i_media_used;
472 if( __MAX( p_sys->i_media, p_sys->i_media_used ) < p_sys->i_packet_length )
473 i_padding = p_sys->i_packet_length - __MAX( p_sys->i_media, p_sys->i_media_used );
475 block_t *p_block = block_New( p_access, i_copy + i_padding );
480 memcpy( &p_block->p_buffer[0], &p_sys->p_media[p_sys->i_media_used], i_copy );
482 memset( &p_block->p_buffer[i_copy], 0, i_padding );
484 p_sys->i_media_used += i_copy + i_padding;
485 p_access->info.i_pos += i_copy + i_padding;
489 mms_HeaderMediaRead( p_access, MMS_PACKET_MEDIA );
493 /****************************************************************************
494 * MMSOpen : Open a connection with the server over mmst or mmsu
495 ****************************************************************************/
496 static int MMSOpen( access_t *p_access, vlc_url_t *p_url, int i_proto )
498 access_sys_t *p_sys = p_access->p_sys;
499 int b_udp = ( i_proto == MMS_PROTO_UDP ) ? 1 : 0;
504 int i_server_version;
506 int i_update_player_url;
507 int i_encryption_type;
514 /* *** Open a TCP connection with server *** */
515 msg_Dbg( p_access, "waiting for connection..." );
516 p_sys->i_handle_tcp = net_ConnectTCP( p_access, p_url->psz_host, p_url->i_port );
517 if( p_sys->i_handle_tcp < 0 )
519 msg_Err( p_access, "failed to open a connection (tcp)" );
523 "connection(tcp) with \"%s:%d\" successful",
527 /* *** Bind port if UDP protocol is selected *** */
530 if( net_GetSockAddress( p_sys->i_handle_tcp, p_sys->sz_bind_addr,
533 net_Close( p_sys->i_handle_tcp );
537 p_sys->i_handle_udp = net_ListenUDP1( (vlc_object_t *)p_access, p_sys->sz_bind_addr,
539 if( p_sys->i_handle_udp < 0 )
541 msg_Err( p_access, "failed to open a connection (udp)" );
542 net_Close( p_sys->i_handle_tcp );
546 "connection(udp) at \"%s:%d\" successful",
547 p_sys->sz_bind_addr, 7000 );
550 /* *** Init context for mms prototcol *** */
551 GenerateGuid ( &p_sys->guid ); /* used to identify client by server */
553 "generated guid: "GUID_FMT,
554 GUID_PRINT( p_sys->guid ) );
555 p_sys->i_command_level = 1; /* updated after 0x1A command */
556 p_sys->i_seq_num = 0;
557 p_sys->i_media_packet_id_type = 0x04;
558 p_sys->i_header_packet_id_type = 0x02;
559 p_sys->i_proto = i_proto;
560 p_sys->i_packet_seq_num = 0;
561 p_sys->p_header = NULL;
563 p_sys->p_media = NULL;
565 p_sys->i_media_used = 0;
567 p_access->info.i_pos = 0;
568 p_sys->i_buffer_tcp = 0;
569 p_sys->i_buffer_udp = 0;
572 p_access->info.b_eof = false;
574 /* *** send command 1 : connection request *** */
575 var_buffer_initwrite( &buffer, 0 );
576 var_buffer_add16( &buffer, 0x001c );
577 var_buffer_add16( &buffer, 0x0003 );
579 "NSPlayer/7.0.0.1956; {"GUID_FMT"}; Host: %s",
580 GUID_PRINT( p_sys->guid ),
582 var_buffer_addUTF16( &buffer, tmp );
584 mms_CommandSend( p_access,
585 0x01, /* connexion request */
586 0x00000000, /* flags, FIXME */
587 0x0004000b, /* ???? */
591 if( mms_CommandRead( p_access, 0x01, 0 ) < 0 )
593 var_buffer_free( &buffer );
594 MMSClose( p_access );
598 i_server_version = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 32 );
599 i_tool_version = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 36 );
600 i_update_player_url = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 40 );
601 i_encryption_type = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 44 );
602 p = (uint16_t*)( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 48 );
603 #define GETUTF16( psz, size ) \
606 psz = malloc( size + 1); \
608 for( i = 0; i < size; i++ ) \
615 GETUTF16( p_sys->psz_server_version, i_server_version );
616 GETUTF16( p_sys->psz_tool_version, i_tool_version );
617 GETUTF16( p_sys->psz_update_player_url, i_update_player_url );
618 GETUTF16( p_sys->psz_encryption_type, i_encryption_type );
621 "0x01 --> server_version:\"%s\" tool_version:\"%s\" update_player_url:\"%s\" encryption_type:\"%s\"",
622 p_sys->psz_server_version,
623 p_sys->psz_tool_version,
624 p_sys->psz_update_player_url,
625 p_sys->psz_encryption_type );
627 /* *** should make an 18 command to make data timing *** */
629 /* *** send command 2 : transport protocol selection *** */
630 var_buffer_reinitwrite( &buffer, 0 );
631 var_buffer_add32( &buffer, 0x00000000 );
632 var_buffer_add32( &buffer, 0x000a0000 );
633 var_buffer_add32( &buffer, 0x00000002 );
643 sprintf( tmp, "\\\\192.168.0.1\\TCP\\1242" );
645 var_buffer_addUTF16( &buffer, tmp );
646 var_buffer_add16( &buffer, '0' );
648 mms_CommandSend( p_access,
649 0x02, /* connexion request */
650 0x00000000, /* flags, FIXME */
651 0xffffffff, /* ???? */
655 /* *** response from server, should be 0x02 or 0x03 *** */
656 mms_CommandRead( p_access, 0x02, 0x03 );
657 if( p_sys->i_command == 0x03 )
660 "%s protocol selection failed", b_udp ? "UDP" : "TCP" );
661 var_buffer_free( &buffer );
662 MMSClose( p_access );
665 else if( p_sys->i_command != 0x02 )
667 msg_Warn( p_access, "received command isn't 0x02 in reponse to 0x02" );
670 /* *** send command 5 : media file name/path requested *** */
671 var_buffer_reinitwrite( &buffer, 0 );
672 var_buffer_add64( &buffer, 0 );
674 /* media file path shouldn't start with / character */
675 mediapath = p_url->psz_path;
676 if ( *mediapath == '/' )
680 var_buffer_addUTF16( &buffer, mediapath );
682 mms_CommandSend( p_access,
684 p_sys->i_command_level,
689 /* *** wait for reponse *** */
690 mms_CommandRead( p_access, 0x1a, 0x06 );
692 /* test if server send 0x1A answer */
693 if( p_sys->i_command == 0x1A )
695 msg_Err( p_access, "id/password requested (not yet supported)" );
697 var_buffer_free( &buffer );
698 MMSClose( p_access );
701 if( p_sys->i_command != 0x06 )
704 "unknown answer (0x%x instead of 0x06)",
706 var_buffer_free( &buffer );
707 MMSClose( p_access );
711 /* 1 for file ok, 2 for authen ok */
712 switch( GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE ) )
715 msg_Dbg( p_access, "media file name/path accepted" );
718 msg_Dbg( p_access, "authentication accepted" );
722 msg_Err( p_access, "error while asking for file %d",
723 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE ) );
724 var_buffer_free( &buffer );
725 MMSClose( p_access );
729 p_sys->i_flags_broadcast =
730 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 12 );
731 p_sys->i_media_length =
732 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 24 );
733 p_sys->i_packet_length =
734 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 44 );
735 p_sys->i_packet_count =
736 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 48 );
737 p_sys->i_max_bit_rate =
738 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 56 );
739 p_sys->i_header_size =
740 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 60 );
743 "answer 0x06 flags:0x%8.8"PRIx32" media_length:%"PRIu32"s "
744 "packet_length:%zu packet_count:%"PRIu32" max_bit_rate:%d "
746 p_sys->i_flags_broadcast,
747 p_sys->i_media_length,
748 p_sys->i_packet_length,
749 p_sys->i_packet_count,
750 p_sys->i_max_bit_rate,
751 p_sys->i_header_size );
753 /* *** send command 15 *** */
755 var_buffer_reinitwrite( &buffer, 0 );
756 var_buffer_add32( &buffer, 0 );
757 var_buffer_add32( &buffer, 0x8000 );
758 var_buffer_add32( &buffer, 0xffffffff );
759 var_buffer_add32( &buffer, 0x00 );
760 var_buffer_add32( &buffer, 0x00 );
761 var_buffer_add32( &buffer, 0x00 );
762 var_buffer_add64( &buffer, (((uint64_t)0x40ac2000)<<32) );
763 var_buffer_add32( &buffer, p_sys->i_header_packet_id_type );
764 var_buffer_add32( &buffer, 0x00 );
765 mms_CommandSend( p_access, 0x15, p_sys->i_command_level, 0x00,
766 buffer.p_data, buffer.i_data );
768 /* *** wait for reponse *** */
769 /* Commented out because it fails on some stream (no 0x11 answer) */
771 mms_CommandRead( p_access, 0x11, 0 );
773 if( p_sys->i_command != 0x11 )
776 "unknown answer (0x%x instead of 0x11)",
778 var_buffer_free( &buffer );
779 MMSClose( p_access );
784 /* *** now read header packet *** */
785 /* XXX could be split over multiples packets */
786 msg_Dbg( p_access, "reading header" );
789 if( mms_HeaderMediaRead( p_access, MMS_PACKET_HEADER ) < 0 )
791 msg_Err( p_access, "cannot receive header" );
792 var_buffer_free( &buffer );
793 MMSClose( p_access );
796 if( p_sys->i_header >= p_sys->i_header_size )
799 "header complete(%zu)",
804 "header incomplete (%zu/%zu), reading more",
806 p_sys->i_header_size );
809 /* *** parse header and get stream and their id *** */
810 /* get all streams properties,
812 * TODO : stream bitrates properties(optional)
813 * and bitrate mutual exclusion(optional) */
814 asf_HeaderParse ( &p_sys->asfh,
815 p_sys->p_header, p_sys->i_header );
816 asf_StreamSelect( &p_sys->asfh,
817 var_CreateGetInteger( p_access, "mms-maxbitrate" ),
818 var_CreateGetInteger( p_access, "mms-all" ),
819 var_CreateGetInteger( p_access, "audio" ),
820 var_CreateGetInteger( p_access, "video" ) );
822 /* *** now select stream we want to receive *** */
823 /* TODO take care of stream bitrate TODO */
826 var_buffer_reinitwrite( &buffer, 0 );
827 /* for now, select first audio and video stream */
828 for( i = 1; i < 128; i++ )
831 if( p_sys->asfh.stream[i].i_cat != ASF_STREAM_UNKNOWN )
836 var_buffer_add16( &buffer, 0xffff );
837 var_buffer_add16( &buffer, i );
843 if( p_sys->asfh.stream[i].i_selected )
845 var_buffer_add16( &buffer, 0x0000 );
847 "selecting stream[0x%x] %s (%d kb/s)",
849 ( p_sys->asfh.stream[i].i_cat == ASF_STREAM_AUDIO ) ?
851 p_sys->asfh.stream[i].i_bitrate / 1024);
855 var_buffer_add16( &buffer, 0x0002 );
857 "ignoring stream[0x%x] %s (%d kb/s)",
859 ( p_sys->asfh.stream[i].i_cat == ASF_STREAM_AUDIO ) ?
861 p_sys->asfh.stream[i].i_bitrate / 1024);
869 msg_Err( p_access, "cannot find any stream" );
870 var_buffer_free( &buffer );
871 MMSClose( p_access );
874 mms_CommandSend( p_access, 0x33,
876 0xffff | ( i_first << 16 ),
877 buffer.p_data, buffer.i_data );
879 mms_CommandRead( p_access, 0x21, 0 );
880 if( p_sys->i_command != 0x21 )
883 "unknown answer (0x%x instead of 0x21)",
885 var_buffer_free( &buffer );
886 MMSClose( p_access );
891 var_buffer_free( &buffer );
893 msg_Info( p_access, "connection successful" );
898 /****************************************************************************
899 * MMSStart : Start streaming
900 ****************************************************************************/
901 static int MMSStart( access_t *p_access, uint32_t i_packet )
903 access_sys_t *p_sys = p_access->p_sys;
906 /* *** start stream from packet 0 *** */
907 var_buffer_initwrite( &buffer, 0 );
908 var_buffer_add64( &buffer, 0 ); /* seek point in second */
909 var_buffer_add32( &buffer, 0xffffffff );
910 var_buffer_add32( &buffer, i_packet ); // begin from start
911 var_buffer_add8( &buffer, 0xff ); // stream time limit
912 var_buffer_add8( &buffer, 0xff ); // on 3bytes ...
913 var_buffer_add8( &buffer, 0xff ); //
914 var_buffer_add8( &buffer, 0x00 ); // don't use limit
915 var_buffer_add32( &buffer, p_sys->i_media_packet_id_type );
917 mms_CommandSend( p_access, 0x07, p_sys->i_command_level, 0x0001ffff,
918 buffer.p_data, buffer.i_data );
920 var_buffer_free( &buffer );
922 mms_CommandRead( p_access, 0x05, 0 );
924 if( p_sys->i_command != 0x05 )
927 "unknown answer (0x%x instead of 0x05)",
934 if( mms_HeaderMediaRead( p_access, MMS_PACKET_MEDIA ) < 0 )
936 msg_Dbg( p_access, "streaming started" );
941 /****************************************************************************
942 * MMSStop : Stop streaming
943 ****************************************************************************/
944 static int MMSStop( access_t *p_access )
946 access_sys_t *p_sys = p_access->p_sys;
948 /* *** stop stream but keep connection alive *** */
949 mms_CommandSend( p_access,
951 p_sys->i_command_level,
957 /****************************************************************************
958 * MMSClose : Close streaming and connection
959 ****************************************************************************/
960 static void MMSClose( access_t *p_access )
962 access_sys_t *p_sys = p_access->p_sys;
964 msg_Dbg( p_access, "Connection closed" );
966 /* *** tell server that we will disconnect *** */
967 mms_CommandSend( p_access,
969 p_sys->i_command_level,
973 /* *** close sockets *** */
974 net_Close( p_sys->i_handle_tcp );
975 if( p_sys->i_proto == MMS_PROTO_UDP )
977 net_Close( p_sys->i_handle_udp );
980 FREENULL( p_sys->p_cmd );
981 FREENULL( p_sys->p_media );
982 FREENULL( p_sys->p_header );
984 FREENULL( p_sys->psz_server_version );
985 FREENULL( p_sys->psz_tool_version );
986 FREENULL( p_sys->psz_update_player_url );
987 FREENULL( p_sys->psz_encryption_type );
990 /****************************************************************************
992 * MMS specific functions
994 ****************************************************************************/
995 static int mms_CommandSend( access_t *p_access, int i_command,
996 uint32_t i_prefix1, uint32_t i_prefix2,
997 uint8_t *p_data, int i_data_old )
1000 access_sys_t *p_sys = p_access->p_sys;
1001 int i_data_by8, i_ret;
1002 int i_data = i_data_old;
1004 while( i_data & 0x7 ) i_data++;
1005 i_data_by8 = i_data >> 3;
1007 /* first init buffer */
1008 var_buffer_initwrite( &buffer, 0 );
1010 var_buffer_add32( &buffer, 0x00000001 ); /* start sequence */
1011 var_buffer_add32( &buffer, 0xB00BFACE );
1012 /* size after protocol type */
1013 var_buffer_add32( &buffer, i_data + MMS_CMD_HEADERSIZE - 16 );
1014 var_buffer_add32( &buffer, 0x20534d4d ); /* protocol "MMS " */
1015 var_buffer_add32( &buffer, i_data_by8 + 4 );
1016 var_buffer_add32( &buffer, p_sys->i_seq_num ); p_sys->i_seq_num++;
1017 var_buffer_add64( &buffer, 0 );
1018 var_buffer_add32( &buffer, i_data_by8 + 2 );
1019 var_buffer_add32( &buffer, 0x00030000 | i_command ); /* dir | command */
1020 var_buffer_add32( &buffer, i_prefix1 ); /* command specific */
1021 var_buffer_add32( &buffer, i_prefix2 ); /* command specific */
1023 /* specific command data */
1024 if( p_data && i_data > 0 )
1026 var_buffer_addmemory( &buffer, p_data, i_data_old );
1029 /* Append padding to the command data */
1030 var_buffer_add64( &buffer, 0 );
1033 vlc_mutex_lock( &p_sys->lock_netwrite );
1034 i_ret = net_Write( p_access, p_sys->i_handle_tcp, NULL, buffer.p_data,
1035 buffer.i_data - ( 8 - ( i_data - i_data_old ) ) );
1036 vlc_mutex_unlock( &p_sys->lock_netwrite );
1037 if( i_ret != buffer.i_data - ( 8 - ( i_data - i_data_old ) ) )
1039 var_buffer_free( &buffer );
1040 msg_Err( p_access, "failed to send command" );
1041 return VLC_EGENERIC;
1044 var_buffer_free( &buffer );
1048 static int NetFillBuffer( access_t *p_access )
1054 access_sys_t *p_sys = p_access->p_sys;
1056 struct pollfd ufd[2];
1057 unsigned timeout, nfd;
1059 /* FIXME when using udp */
1060 ssize_t i_tcp, i_udp;
1061 ssize_t i_tcp_read, i_udp_read;
1064 i_tcp = MMS_BUFFER_SIZE/2 - p_sys->i_buffer_tcp;
1066 if( p_sys->i_proto == MMS_PROTO_UDP )
1068 i_udp = MMS_BUFFER_SIZE/2 - p_sys->i_buffer_udp;
1072 i_udp = 0; /* there isn't udp socket */
1075 if( ( i_udp <= 0 ) && ( i_tcp <= 0 ) )
1077 msg_Warn( p_access, "nothing to read %d:%d", (int)i_tcp, (int)i_udp );
1082 /* msg_Warn( p_access, "ask for tcp:%d udp:%d", i_tcp, i_udp ); */
1085 /* Find if some data is available */
1090 /* Initialize file descriptor set */
1091 memset (ufd, 0, sizeof (ufd));
1096 ufd[nfd].fd = p_sys->i_handle_tcp;
1097 ufd[nfd].events = POLLIN;
1102 ufd[nfd].fd = p_sys->i_handle_udp;
1103 ufd[nfd].events = POLLIN;
1107 /* We'll wait 0.5 second if nothing happens */
1108 timeout = __MIN( 500, p_sys->i_timeout );
1110 if( i_try * timeout > p_sys->i_timeout )
1112 msg_Err(p_access, "no data received");
1116 if( i_try > 3 && (p_sys->i_buffer_tcp > 0 || p_sys->i_buffer_udp > 0) )
1121 if( !vlc_object_alive (p_access) || p_access->b_error )
1124 //msg_Dbg( p_access, "NetFillBuffer: trying again (select)" );
1126 } while( !(i_ret = poll( ufd, nfd, timeout)) ||
1127 (i_ret < 0 && errno == EINTR) );
1131 msg_Err( p_access, "network poll error (%m)" );
1135 i_tcp_read = i_udp_read = 0;
1137 if( ( i_tcp > 0 ) && ufd[0].revents )
1140 recv( p_sys->i_handle_tcp,
1141 p_sys->buffer_tcp + p_sys->i_buffer_tcp,
1142 i_tcp + MMS_BUFFER_SIZE/2, 0 );
1145 if( i_udp > 0 && ufd[i_tcp > 0].revents )
1147 i_udp_read = recv( p_sys->i_handle_udp,
1148 p_sys->buffer_udp + p_sys->i_buffer_udp,
1149 i_udp + MMS_BUFFER_SIZE/2, 0 );
1153 if( p_sys->i_proto == MMS_PROTO_UDP )
1155 msg_Dbg( p_access, "filling buffer TCP:%d+%d UDP:%d+%d",
1156 p_sys->i_buffer_tcp, i_tcp_read,
1157 p_sys->i_buffer_udp, i_udp_read );
1161 msg_Dbg( p_access, "filling buffer TCP:%d+%d",
1162 p_sys->i_buffer_tcp, i_tcp_read );
1166 if( i_tcp_read > 0 ) p_sys->i_buffer_tcp += i_tcp_read;
1167 if( i_udp_read > 0 ) p_sys->i_buffer_udp += i_udp_read;
1169 return i_tcp_read + i_udp_read;
1173 static int mms_ParseCommand( access_t *p_access,
1178 #define GET32( i_pos ) \
1179 ( p_sys->p_cmd[i_pos] + ( p_sys->p_cmd[i_pos +1] << 8 ) + \
1180 ( p_sys->p_cmd[i_pos + 2] << 16 ) + \
1181 ( p_sys->p_cmd[i_pos + 3] << 24 ) )
1183 access_sys_t *p_sys = p_access->p_sys;
1187 free( p_sys->p_cmd );
1188 p_sys->i_cmd = i_data;
1189 p_sys->p_cmd = malloc( i_data );
1190 assert( p_sys->p_cmd );
1191 memcpy( p_sys->p_cmd, p_data, i_data );
1193 *pi_used = i_data; /* by default */
1195 if( i_data < MMS_CMD_HEADERSIZE )
1197 msg_Warn( p_access, "truncated command (header incomplete)" );
1198 p_sys->i_command = 0;
1201 i_id = GetDWLE( p_data + 4 );
1202 i_length = GetDWLE( p_data + 8 ) + 16;
1204 if( i_id != 0xb00bface || i_length < 16 )
1207 "incorrect command header (0x%"PRIx32")", i_id );
1208 p_sys->i_command = 0;
1212 if( i_length > p_sys->i_cmd )
1215 "truncated command (missing %zu bytes)",
1216 (size_t)i_length - i_data );
1217 p_sys->i_command = 0;
1220 else if( i_length < p_sys->i_cmd )
1222 p_sys->i_cmd = i_length;
1223 *pi_used = i_length;
1227 "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",
1231 /* 12: protocol type "MMS " */
1234 /* 24: unknown (0) */
1235 /* 28: unknown (0) */
1241 p_sys->i_command = GET32( 36 ) & 0xffff;
1244 return MMS_PACKET_CMD;
1247 static int mms_ParsePacket( access_t *p_access,
1248 uint8_t *p_data, size_t i_data,
1251 access_sys_t *p_sys = p_access->p_sys;
1252 int i_packet_seq_num;
1253 size_t i_packet_length;
1254 uint32_t i_packet_id;
1256 *pi_used = i_data; /* default */
1259 msg_Warn( p_access, "truncated packet (header incomplete)" );
1263 i_packet_id = p_data[4];
1264 i_packet_seq_num = GetDWLE( p_data );
1265 i_packet_length = GetWLE( p_data + 6 );
1267 //msg_Warn( p_access, "------->i_packet_length=%d, i_data=%d", i_packet_length, i_data );
1269 if( i_packet_length > i_data || i_packet_length <= 8)
1271 /* msg_Dbg( p_access,
1272 "truncated packet (Declared %d bytes, Actual %d bytes)",
1273 i_packet_length, i_data ); */
1277 else if( i_packet_length < i_data )
1279 *pi_used = i_packet_length;
1282 if( i_packet_id == 0xff )
1285 "receive MMS UDP pair timing" );
1286 return( MMS_PACKET_UDP_TIMING );
1289 if( i_packet_id != p_sys->i_header_packet_id_type &&
1290 i_packet_id != p_sys->i_media_packet_id_type )
1292 msg_Warn( p_access, "incorrect Packet Id Type (0x%x)", i_packet_id );
1296 /* we now have a media or a header packet */
1297 if( i_packet_seq_num != p_sys->i_packet_seq_num )
1300 /* FIXME for udp could be just wrong order ? */
1302 "detected packet lost (%d != %d)",
1304 p_sys->i_packet_seq_num );
1307 p_sys->i_packet_seq_num = i_packet_seq_num + 1;
1309 if( i_packet_id == p_sys->i_header_packet_id_type )
1311 if( p_sys->p_header )
1313 p_sys->p_header = realloc_or_free( p_sys->p_header,
1314 p_sys->i_header + i_packet_length - 8 );
1315 assert( p_sys->p_header );
1316 memcpy( &p_sys->p_header[p_sys->i_header],
1317 p_data + 8, i_packet_length - 8 );
1318 p_sys->i_header += i_packet_length - 8;
1323 uint8_t* p_packet = malloc( i_packet_length - 8 ); // don't bother with preheader
1325 memcpy( p_packet, p_data + 8, i_packet_length - 8 );
1326 p_sys->p_header = p_packet;
1327 p_sys->i_header = i_packet_length - 8;
1329 /* msg_Dbg( p_access,
1330 "receive header packet (%d bytes)",
1331 i_packet_length - 8 ); */
1333 return MMS_PACKET_HEADER;
1337 uint8_t* p_packet = malloc( i_packet_length - 8 ); // don't bother with preheader
1339 memcpy( p_packet, p_data + 8, i_packet_length - 8 );
1340 FREENULL( p_sys->p_media );
1341 p_sys->p_media = p_packet;
1342 p_sys->i_media = i_packet_length - 8;
1343 p_sys->i_media_used = 0;
1344 /* msg_Dbg( p_access,
1345 "receive media packet (%d bytes)",
1346 i_packet_length - 8 ); */
1348 return MMS_PACKET_MEDIA;
1352 static int mms_ReceivePacket( access_t *p_access )
1354 access_sys_t *p_sys = p_access->p_sys;
1355 int i_packet_tcp_type;
1356 int i_packet_udp_type;
1360 bool b_refill = true;
1362 /* first if we need to refill buffer */
1363 if( p_sys->i_buffer_tcp >= MMS_CMD_HEADERSIZE )
1365 if( GetDWLE( p_sys->buffer_tcp + 4 ) == 0xb00bface )
1367 if( GetDWLE( p_sys->buffer_tcp + 8 ) + 16 <=
1368 (uint32_t)p_sys->i_buffer_tcp )
1373 else if( GetWLE( p_sys->buffer_tcp + 6 ) <= p_sys->i_buffer_tcp )
1378 if( p_sys->i_proto == MMS_PROTO_UDP && p_sys->i_buffer_udp >= 8 &&
1379 GetWLE( p_sys->buffer_udp + 6 ) <= p_sys->i_buffer_udp )
1384 if( b_refill && NetFillBuffer( p_access ) < 0 )
1386 msg_Warn( p_access, "cannot fill buffer" );
1390 i_packet_tcp_type = -1;
1391 i_packet_udp_type = -1;
1393 if( p_sys->i_buffer_tcp > 0 )
1397 if( GetDWLE( p_sys->buffer_tcp + 4 ) == 0xb00bface )
1400 mms_ParseCommand( p_access, p_sys->buffer_tcp,
1401 p_sys->i_buffer_tcp, &i_used );
1407 mms_ParsePacket( p_access, p_sys->buffer_tcp,
1408 p_sys->i_buffer_tcp, &i_used );
1410 if( i_used > 0 && i_used < MMS_BUFFER_SIZE )
1412 memmove( p_sys->buffer_tcp, p_sys->buffer_tcp + i_used,
1413 MMS_BUFFER_SIZE - i_used );
1415 p_sys->i_buffer_tcp -= i_used;
1417 else if( p_sys->i_buffer_udp > 0 )
1422 mms_ParsePacket( p_access, p_sys->buffer_udp,
1423 p_sys->i_buffer_udp, &i_used );
1425 if( i_used > 0 && i_used < MMS_BUFFER_SIZE )
1427 memmove( p_sys->buffer_udp, p_sys->buffer_udp + i_used,
1428 MMS_BUFFER_SIZE - i_used );
1430 p_sys->i_buffer_udp -= i_used;
1433 if( i_packet_tcp_type == MMS_PACKET_CMD && p_sys->i_command == 0x1b )
1435 mms_CommandSend( p_access, 0x1b, 0, 0, NULL, 0 );
1436 i_packet_tcp_type = -1;
1439 if( i_packet_tcp_type != -1 )
1441 return i_packet_tcp_type;
1443 else if( i_packet_udp_type != -1 )
1445 return i_packet_udp_type;
1450 static int mms_ReceiveCommand( access_t *p_access )
1452 access_sys_t *p_sys = p_access->p_sys;
1459 if( NetFillBuffer( p_access ) < 0 )
1461 msg_Warn( p_access, "cannot fill buffer" );
1462 return VLC_EGENERIC;
1464 if( p_sys->i_buffer_tcp > 0 )
1466 i_status = mms_ParseCommand( p_access, p_sys->buffer_tcp,
1467 p_sys->i_buffer_tcp, &i_used );
1468 if( i_used < MMS_BUFFER_SIZE )
1470 memmove( p_sys->buffer_tcp, p_sys->buffer_tcp + i_used,
1471 MMS_BUFFER_SIZE - i_used );
1473 p_sys->i_buffer_tcp -= i_used;
1477 return VLC_EGENERIC;
1480 if( p_sys->i_command == 0x1b )
1482 mms_CommandSend( p_access, 0x1b, 0, 0, NULL, 0 );
1491 return VLC_EGENERIC;
1498 #define MMS_RETRY_MAX 10
1499 #define MMS_RETRY_SLEEP 50000
1501 static int mms_CommandRead( access_t *p_access, int i_command1,
1504 access_sys_t *p_sys = p_access->p_sys;
1508 for( i_count = 0; i_count < MMS_RETRY_MAX; )
1510 i_status = mms_ReceiveCommand( p_access );
1511 if( i_status < 0 || p_sys->i_command == 0 )
1514 msleep( MMS_RETRY_SLEEP );
1516 else if( i_command1 == 0 && i_command2 == 0)
1520 else if( p_sys->i_command == i_command1 ||
1521 p_sys->i_command == i_command2 )
1527 switch( p_sys->i_command )
1530 msg_Warn( p_access, "socket closed by server" );
1531 p_access->info.b_eof = true;
1532 return VLC_EGENERIC;
1534 msg_Warn( p_access, "end of media stream" );
1535 p_access->info.b_eof = true;
1536 return VLC_EGENERIC;
1542 p_access->info.b_eof = true;
1543 msg_Warn( p_access, "failed to receive command (aborting)" );
1545 return VLC_EGENERIC;
1549 static int mms_HeaderMediaRead( access_t *p_access, int i_type )
1551 access_sys_t *p_sys = p_access->p_sys;
1554 for( i_count = 0; i_count < MMS_RETRY_MAX; )
1558 if( !vlc_object_alive (p_access) )
1561 i_status = mms_ReceivePacket( p_access );
1565 msg_Warn( p_access, "cannot receive header (%d/%d)",
1566 i_count, MMS_RETRY_MAX );
1567 msleep( MMS_RETRY_SLEEP );
1569 else if( i_status == i_type || i_type == MMS_PACKET_ANY )
1573 else if( i_status == MMS_PACKET_CMD )
1575 switch( p_sys->i_command )
1578 msg_Warn( p_access, "socket closed by server" );
1579 p_access->info.b_eof = true;
1582 msg_Warn( p_access, "end of media stream" );
1583 p_access->info.b_eof = true;
1586 /* XXX not too dificult to be done EXCEPT that we
1587 * need to restart demuxer... and I don't see how we
1588 * could do that :p */
1590 "reinitialization needed --> unsupported" );
1591 p_access->info.b_eof = true;
1599 msg_Err( p_access, "cannot receive %s (aborting)",
1600 ( i_type == MMS_PACKET_HEADER ) ? "header" : "media data" );
1601 p_access->info.b_eof = true;
1605 static void* KeepAliveThread( void *p_data )
1607 mmstu_keepalive_t *p_thread = (mmstu_keepalive_t *) p_data;
1608 access_t *p_access = p_thread->p_access;
1610 vlc_mutex_lock( &p_thread->lock );
1611 mutex_cleanup_push( &p_thread->lock );
1615 /* Do nothing until paused (if ever) */
1616 while( !p_thread->b_paused )
1617 vlc_cond_wait( &p_thread->wait, &p_thread->lock );
1623 /* Send keep-alive every ten seconds */
1624 vlc_mutex_unlock( &p_thread->lock );
1625 canc = vlc_savecancel();
1627 mms_CommandSend( p_access, 0x1b, 0, 0, NULL, 0 );
1629 vlc_restorecancel( canc );
1630 vlc_mutex_lock( &p_thread->lock );
1632 msleep( 10 * CLOCK_FREQ );
1634 while( p_thread->b_paused );