1 /*****************************************************************************
2 * mms.c: MMS access plug-in
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 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
31 #include <vlc/input.h>
40 #ifdef HAVE_SYS_TIME_H
41 # include <sys/time.h>
43 #ifdef HAVE_SYS_TYPES_H
44 # include <sys/types.h>
46 #ifdef HAVE_SYS_STAT_H
47 # include <sys/stat.h>
51 # include <winsock2.h>
52 # include <ws2tcpip.h>
54 # define IN_MULTICAST(a) IN_CLASSD(a)
57 # include <sys/socket.h>
58 # include <netinet/in.h>
60 # include <arpa/inet.h>
61 # elif defined( SYS_BEOS )
62 # include <net/netdb.h>
75 /****************************************************************************
77 * MMSProtocole documentation found at http://get.to/sdp
78 ****************************************************************************/
80 /*****************************************************************************
82 *****************************************************************************/
83 int E_( MMSTUOpen ) ( access_t * );
84 void E_( MMSTUClose ) ( access_t * );
87 static int Read( access_t *, uint8_t *, int );
88 static int Seek( access_t *, int64_t );
89 static int Control( access_t *, int, va_list );
91 static int MMSOpen ( access_t *, vlc_url_t *, int );
92 static int MMSStart( access_t *, uint32_t );
93 static int MMSStop ( access_t * );
94 static void MMSClose( access_t * );
97 static int mms_CommandRead( access_t *p_access, int i_command1, int i_command2 );
98 static int mms_CommandSend( access_t *, int, uint32_t, uint32_t, uint8_t *, int );
100 static int mms_HeaderMediaRead( access_t *, int );
102 static int mms_ReceivePacket( access_t * );
106 * XXX DON'T FREE MY MEMORY !!! XXX
110 * Ok, ok, j'le ferai plus...
116 * Vous pourriez signer vos commentaires (même si on voit bien qui peut
117 * écrire ce genre de trucs :p), et écrire en anglais, bordel de
121 * Alors la ouai ç'est fou les gens qui écrivent des commentaires sans les
122 * signer. Ca mériterait un coup de pied dans le cul ça :)
125 int E_(MMSTUOpen)( access_t *p_access )
131 /* Set up p_access */
132 p_access->pf_read = Read;
133 p_access->pf_block = NULL;
134 p_access->pf_control = Control;
135 p_access->pf_seek = Seek;
136 p_access->info.i_update = 0;
137 p_access->info.i_size = 0;
138 p_access->info.i_pos = 0;
139 p_access->info.b_eof = VLC_FALSE;
140 p_access->info.i_title = 0;
141 p_access->info.i_seekpoint = 0;
142 p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
143 memset( p_sys, 0, sizeof( access_sys_t ) );
145 /* *** Parse URL and get server addr/port and path *** */
146 vlc_UrlParse( &p_sys->url, p_access->psz_path, 0 );
147 if( p_sys->url.psz_host == NULL || *p_sys->url.psz_host == '\0' )
149 msg_Err( p_access, "invalid server name" );
150 vlc_UrlClean( &p_sys->url );
153 if( p_sys->url.i_port <= 0 )
155 p_sys->url.i_port = 1755;
158 /* *** connect to this server *** */
159 /* look at requested protocol (udp/tcp) */
160 i_proto = MMS_PROTO_AUTO;
161 if( *p_access->psz_access )
163 if( !strncmp( p_access->psz_access, "mmsu", 4 ) )
165 i_proto = MMS_PROTO_UDP;
167 else if( !strncmp( p_access->psz_access, "mmst", 4 ) )
169 i_proto = MMS_PROTO_TCP;
174 if( i_proto == MMS_PROTO_AUTO )
175 { /* first try with TCP and then UDP*/
176 if( ( i_status = MMSOpen( p_access, &p_sys->url, MMS_PROTO_TCP ) ) )
178 i_status = MMSOpen( p_access, &p_sys->url, MMS_PROTO_UDP );
183 i_status = MMSOpen( p_access, &p_sys->url, i_proto );
188 msg_Err( p_access, "cannot connect to server" );
189 vlc_UrlClean( &p_sys->url );
193 msg_Dbg( p_access, "connected to %s:%d", p_sys->url.psz_host, p_sys->url.i_port );
197 * broadcast yy=0x02, xx= 0x00
198 * pre-recorded yy=0x01, xx= 0x80 if video, 0x00 no video
200 if( p_sys->i_packet_count <= 0 && p_sys->asfh.i_data_packets_count > 0 )
202 p_sys->i_packet_count = p_sys->asfh.i_data_packets_count;
204 if( p_sys->i_packet_count <= 0 || ( p_sys->i_flags_broadcast >> 24 ) == 0x02 )
206 p_sys->b_seekable = VLC_FALSE;
210 p_sys->b_seekable = VLC_TRUE;
211 p_access->info.i_size =
212 (uint64_t)p_sys->i_header +
213 (uint64_t)p_sys->i_packet_count * (uint64_t)p_sys->i_packet_length;
216 /* *** Start stream *** */
217 if( MMSStart( p_access, 0xffffffff ) < 0 )
219 msg_Err( p_access, "cannot start stream" );
220 MMSClose( p_access );
221 vlc_UrlClean( &p_sys->url );
227 /*****************************************************************************
228 * Close: free unused data structures
229 *****************************************************************************/
230 void E_(MMSTUClose)( access_t *p_access )
232 access_sys_t *p_sys = p_access->p_sys;
234 /* close connection with server */
235 MMSClose( p_access );
238 vlc_UrlClean( &p_sys->url );
243 /*****************************************************************************
245 *****************************************************************************/
246 static int Control( access_t *p_access, int i_query, va_list args )
248 access_sys_t *p_sys = p_access->p_sys;
258 case ACCESS_CAN_SEEK:
259 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
260 *pb_bool = p_sys->b_seekable;
262 case ACCESS_CAN_FASTSEEK:
263 case ACCESS_CAN_PAUSE:
264 case ACCESS_CAN_CONTROL_PACE:
265 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
266 *pb_bool = VLC_FALSE;
271 pi_int = (int*)va_arg( args, int * );
272 *pi_int = 3 * p_sys->i_packet_length;
275 case ACCESS_GET_PTS_DELAY:
276 pi_64 = (int64_t*)va_arg( args, int64_t * );
277 var_Get( p_access, "mms-caching", &val );
278 *pi_64 = (int64_t)var_GetInteger( p_access, "mms-caching" ) * I64C(1000);
281 case ACCESS_GET_PRIVATE_ID_STATE:
282 i_int = (int)va_arg( args, int );
283 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t );
285 if( i_int < 0 || i_int > 127 )
287 *pb_bool = p_sys->asfh.stream[i_int].i_selected ? VLC_TRUE : VLC_FALSE;
291 case ACCESS_SET_PAUSE_STATE:
292 case ACCESS_GET_TITLE_INFO:
293 case ACCESS_SET_TITLE:
294 case ACCESS_SET_SEEKPOINT:
295 case ACCESS_SET_PRIVATE_ID_STATE:
300 msg_Warn( p_access, "unimplemented query in control" );
307 /*****************************************************************************
308 * Seek: try to go at the right place
309 *****************************************************************************/
310 static int Seek( access_t * p_access, int64_t i_pos )
312 access_sys_t *p_sys = p_access->p_sys;
320 if( i_pos < p_sys->i_header)
323 if( p_access->info.i_pos < p_sys->i_header )
325 /* no need to restart stream, it was already one
326 * or no stream was yet read */
327 p_access->info.i_pos = i_pos;
332 i_packet = 0xffffffff;
338 i_packet = ( i_pos - p_sys->i_header ) / p_sys->i_packet_length;
339 i_offset = ( i_pos - p_sys->i_header ) % p_sys->i_packet_length;
341 msg_Dbg( p_access, "seeking to "I64Fd " (packet:%d)", i_pos, i_packet );
344 msg_Dbg( p_access, "stream stopped (seek)" );
346 /* *** restart stream *** */
347 var_buffer_initwrite( &buffer, 0 );
348 var_buffer_add64( &buffer, 0 ); /* seek point in second */
349 var_buffer_add32( &buffer, 0xffffffff );
350 var_buffer_add32( &buffer, i_packet ); // begin from start
351 var_buffer_add8( &buffer, 0xff ); // stream time limit
352 var_buffer_add8( &buffer, 0xff ); // on 3bytes ...
353 var_buffer_add8( &buffer, 0xff ); //
354 var_buffer_add8( &buffer, 0x00 ); // don't use limit
355 var_buffer_add32( &buffer, p_sys->i_media_packet_id_type );
357 mms_CommandSend( p_access, 0x07, p_sys->i_command_level, 0x0001ffff,
358 buffer.p_data, buffer.i_data );
360 var_buffer_free( &buffer );
363 while( !p_access->b_die )
365 mms_HeaderMediaRead( p_access, MMS_PACKET_CMD );
366 if( p_sys->i_command == 0x1e )
368 msg_Dbg( p_access, "received 0x1e (seek)" );
373 while( !p_access->b_die )
375 mms_HeaderMediaRead( p_access, MMS_PACKET_CMD );
376 if( p_sys->i_command == 0x05 )
378 msg_Dbg( p_access, "received 0x05 (seek)" );
384 mms_HeaderMediaRead( p_access, MMS_PACKET_MEDIA );
385 msg_Dbg( p_access, "Streaming restarted" );
387 p_sys->i_media_used += i_offset;
388 p_access->info.i_pos = i_pos;
389 p_access->info.b_eof = VLC_FALSE;
394 /*****************************************************************************
396 *****************************************************************************/
397 static int Read( access_t *p_access, uint8_t *p_buffer, int i_len )
399 access_sys_t *p_sys = p_access->p_sys;
405 /* *** now send data if needed *** */
406 while( i_data < i_len )
408 if( p_access->info.i_pos < p_sys->i_header )
410 i_copy = __MIN( i_len, p_sys->i_header - p_access->info.i_pos );
411 memcpy( &p_buffer[i_data], &p_sys->p_header[p_access->info.i_pos], i_copy );
413 p_access->info.i_pos += i_copy;
415 else if( p_sys->i_media_used < p_sys->i_media )
417 i_copy = __MIN( i_len - i_data ,
418 p_sys->i_media - p_sys->i_media_used );
419 memcpy( &p_buffer[i_data], &p_sys->p_media[p_sys->i_media_used], i_copy );
421 p_sys->i_media_used += i_copy;
422 p_access->info.i_pos += i_copy;
424 else if( p_sys->p_media != NULL &&
425 p_sys->i_media_used < p_sys->i_packet_length )
427 i_copy = __MIN( i_len - i_data,
428 p_sys->i_packet_length - p_sys->i_media_used);
429 memset( &p_buffer[i_data], 0, i_copy );
432 p_sys->i_media_used += i_copy;
433 p_access->info.i_pos += i_copy;
435 else if( p_access->info.b_eof ||
436 mms_HeaderMediaRead( p_access, MMS_PACKET_MEDIA ) < 0 )
445 /****************************************************************************
446 * MMSOpen : Open a connection with the server over mmst or mmsu
447 ****************************************************************************/
448 static int MMSOpen( access_t *p_access, vlc_url_t *p_url, int i_proto )
450 access_sys_t *p_sys = p_access->p_sys;
451 int b_udp = ( i_proto == MMS_PROTO_UDP ) ? 1 : 0;
456 int i_server_version;
458 int i_update_player_url;
459 int i_encryption_type;
465 /* *** Open a TCP connection with server *** */
466 msg_Dbg( p_access, "waiting for connection..." );
467 p_sys->i_handle_tcp = net_OpenTCP( p_access, p_url->psz_host, p_url->i_port );
468 if( p_sys->i_handle_tcp < 0 )
470 msg_Err( p_access, "failed to open a connection (tcp)" );
474 "connection(tcp) with \"%s:%d\" successful",
478 /* *** Bind port if UDP protocol is selected *** */
481 struct sockaddr_storage name;
482 socklen_t i_namelen = sizeof( name );
484 if( getsockname( p_sys->i_handle_tcp,
485 (struct sockaddr*)&name, &i_namelen ) < 0 )
487 net_Close( p_sys->i_handle_tcp );
491 /* FIXME: not thread-safe for IPv4 */
492 /* FIXME: not sure if it works fine for IPv6 */
493 if( name.ss_family == AF_INET )
494 p_sys->psz_bind_addr = inet_ntoa( ((struct sockaddr_in *)&name)->sin_addr );
496 p_sys->psz_bind_addr = p_url->psz_host;
498 p_sys->i_handle_udp = net_OpenUDP( p_access, p_sys->psz_bind_addr, 7000, "", 0 );
499 if( p_sys->i_handle_udp < 0 )
501 msg_Err( p_access, "failed to open a connection (udp)" );
502 net_Close( p_sys->i_handle_tcp );
506 "connection(udp) at \"%s:%d\" successful",
507 p_sys->psz_bind_addr, 7000 );
511 p_sys->psz_bind_addr = NULL;
514 /* *** Init context for mms prototcol *** */
515 E_( GenerateGuid )( &p_sys->guid ); /* used to identify client by server */
517 "generated guid: "GUID_FMT,
518 GUID_PRINT( p_sys->guid ) );
519 p_sys->i_command_level = 1; /* updated after 0x1A command */
520 p_sys->i_seq_num = 0;
521 p_sys->i_media_packet_id_type = 0x04;
522 p_sys->i_header_packet_id_type = 0x02;
523 p_sys->i_proto = i_proto;
524 p_sys->i_packet_seq_num = 0;
525 p_sys->p_header = NULL;
527 p_sys->p_media = NULL;
529 p_sys->i_media_used = 0;
531 p_access->info.i_pos = 0;
532 p_sys->i_buffer_tcp = 0;
533 p_sys->i_buffer_udp = 0;
536 p_access->info.b_eof = 0;
538 /* *** send command 1 : connection request *** */
539 var_buffer_initwrite( &buffer, 0 );
540 var_buffer_add16( &buffer, 0x001c );
541 var_buffer_add16( &buffer, 0x0003 );
543 "NSPlayer/7.0.0.1956; {"GUID_FMT"}; Host: %s",
544 GUID_PRINT( p_sys->guid ),
546 var_buffer_addUTF16( &buffer, tmp );
548 mms_CommandSend( p_access,
549 0x01, /* connexion request */
550 0x00000000, /* flags, FIXME */
551 0x0004000b, /* ???? */
555 if( mms_CommandRead( p_access, 0x01, 0 ) < 0 )
557 var_buffer_free( &buffer );
558 MMSClose( p_access );
562 i_server_version = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 32 );
563 i_tool_version = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 36 );
564 i_update_player_url = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 40 );
565 i_encryption_type = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 44 );
566 p = (uint16_t*)( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 48 );
567 #define GETUTF16( psz, size ) \
570 psz = malloc( size + 1); \
571 for( i = 0; i < size; i++ ) \
578 GETUTF16( p_sys->psz_server_version, i_server_version );
579 GETUTF16( p_sys->psz_tool_version, i_tool_version );
580 GETUTF16( p_sys->psz_update_player_url, i_update_player_url );
581 GETUTF16( p_sys->psz_encryption_type, i_encryption_type );
584 "0x01 --> server_version:\"%s\" tool_version:\"%s\" update_player_url:\"%s\" encryption_type:\"%s\"",
585 p_sys->psz_server_version,
586 p_sys->psz_tool_version,
587 p_sys->psz_update_player_url,
588 p_sys->psz_encryption_type );
590 /* *** should make an 18 command to make data timing *** */
592 /* *** send command 2 : transport protocol selection *** */
593 var_buffer_reinitwrite( &buffer, 0 );
594 var_buffer_add32( &buffer, 0x00000000 );
595 var_buffer_add32( &buffer, 0x000a0000 );
596 var_buffer_add32( &buffer, 0x00000002 );
601 p_sys->psz_bind_addr,
606 sprintf( tmp, "\\\\192.168.0.1\\TCP\\1242" );
608 var_buffer_addUTF16( &buffer, tmp );
609 var_buffer_add16( &buffer, '0' );
611 mms_CommandSend( p_access,
612 0x02, /* connexion request */
613 0x00000000, /* flags, FIXME */
614 0xffffffff, /* ???? */
618 /* *** response from server, should be 0x02 or 0x03 *** */
619 mms_CommandRead( p_access, 0x02, 0x03 );
620 if( p_sys->i_command == 0x03 )
623 "%s protocol selection failed", b_udp ? "UDP" : "TCP" );
624 var_buffer_free( &buffer );
625 MMSClose( p_access );
628 else if( p_sys->i_command != 0x02 )
630 msg_Warn( p_access, "received command isn't 0x02 in reponse to 0x02" );
633 /* *** send command 5 : media file name/path requested *** */
634 var_buffer_reinitwrite( &buffer, 0 );
635 var_buffer_add64( &buffer, 0 );
636 var_buffer_addUTF16( &buffer, p_url->psz_path );
638 mms_CommandSend( p_access,
640 p_sys->i_command_level,
645 /* *** wait for reponse *** */
646 mms_CommandRead( p_access, 0x1a, 0x06 );
648 /* test if server send 0x1A answer */
649 if( p_sys->i_command == 0x1A )
651 msg_Err( p_access, "id/password requested (not yet supported)" );
653 var_buffer_free( &buffer );
654 MMSClose( p_access );
657 if( p_sys->i_command != 0x06 )
660 "unknown answer (0x%x instead of 0x06)",
662 var_buffer_free( &buffer );
663 MMSClose( p_access );
667 /* 1 for file ok, 2 for authen ok */
668 switch( GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE ) )
671 msg_Dbg( p_access, "Media file name/path accepted" );
674 msg_Dbg( p_access, "Authentication accepted" );
678 msg_Err( p_access, "error while asking for file %d",
679 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE ) );
680 var_buffer_free( &buffer );
681 MMSClose( p_access );
685 p_sys->i_flags_broadcast =
686 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 12 );
687 p_sys->i_media_length =
688 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 24 );
689 p_sys->i_packet_length =
690 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 44 );
691 p_sys->i_packet_count =
692 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 48 );
693 p_sys->i_max_bit_rate =
694 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 56 );
695 p_sys->i_header_size =
696 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 60 );
699 "answer 0x06 flags:0x%8.8x media_length:%ds packet_length:%d packet_count:%d max_bit_rate:%d header_size:%d",
700 p_sys->i_flags_broadcast,
701 p_sys->i_media_length,
702 p_sys->i_packet_length,
703 p_sys->i_packet_count,
704 p_sys->i_max_bit_rate,
705 p_sys->i_header_size );
707 /* *** send command 15 *** */
709 var_buffer_reinitwrite( &buffer, 0 );
710 var_buffer_add32( &buffer, 0 );
711 var_buffer_add32( &buffer, 0x8000 );
712 var_buffer_add32( &buffer, 0xffffffff );
713 var_buffer_add32( &buffer, 0x00 );
714 var_buffer_add32( &buffer, 0x00 );
715 var_buffer_add32( &buffer, 0x00 );
716 var_buffer_add64( &buffer, (((uint64_t)0x40ac2000)<<32) );
717 var_buffer_add32( &buffer, p_sys->i_header_packet_id_type );
718 var_buffer_add32( &buffer, 0x00 );
719 mms_CommandSend( p_access, 0x15, p_sys->i_command_level, 0x00,
720 buffer.p_data, buffer.i_data );
722 /* *** wait for reponse *** */
723 /* Commented out because it fails on some stream (no 0x11 answer) */
725 mms_CommandRead( p_access, 0x11, 0 );
727 if( p_sys->i_command != 0x11 )
730 "unknown answer (0x%x instead of 0x11)",
732 var_buffer_free( &buffer );
733 MMSClose( p_access );
738 /* *** now read header packet *** */
739 /* XXX could be split over multiples packets */
740 msg_Dbg( p_access, "reading header" );
743 if( mms_HeaderMediaRead( p_access, MMS_PACKET_HEADER ) < 0 )
745 msg_Err( p_access, "cannot receive header" );
746 var_buffer_free( &buffer );
747 MMSClose( p_access );
750 if( p_sys->i_header >= p_sys->i_header_size )
753 "header complete(%d)",
758 "header incomplete (%d/%d), reading more",
760 p_sys->i_header_size );
763 /* *** parse header and get stream and their id *** */
764 /* get all streams properties,
766 * TODO : stream bitrates properties(optional)
767 * and bitrate mutual exclusion(optional) */
768 E_( asf_HeaderParse )( &p_sys->asfh,
769 p_sys->p_header, p_sys->i_header );
770 E_( asf_StreamSelect)( &p_sys->asfh,
771 var_CreateGetInteger( p_access, "mms-maxbitrate" ),
772 var_CreateGetInteger( p_access, "mms-all" ),
773 var_CreateGetInteger( p_access, "audio" ),
774 var_CreateGetInteger( p_access, "video" ) );
776 /* *** now select stream we want to receive *** */
777 /* TODO take care of stream bitrate TODO */
780 var_buffer_reinitwrite( &buffer, 0 );
781 /* for now, select first audio and video stream */
782 for( i = 1; i < 128; i++ )
785 if( p_sys->asfh.stream[i].i_cat != ASF_STREAM_UNKNOWN )
790 var_buffer_add16( &buffer, 0xffff );
791 var_buffer_add16( &buffer, i );
797 if( p_sys->asfh.stream[i].i_selected )
799 var_buffer_add16( &buffer, 0x0000 );
801 "selecting stream[0x%x] %s (%d kb/s)",
803 ( p_sys->asfh.stream[i].i_cat == ASF_STREAM_AUDIO ) ?
805 p_sys->asfh.stream[i].i_bitrate / 1024);
809 var_buffer_add16( &buffer, 0x0002 );
811 "ignoring stream[0x%x] %s (%d kb/s)",
813 ( p_sys->asfh.stream[i].i_cat == ASF_STREAM_AUDIO ) ?
815 p_sys->asfh.stream[i].i_bitrate / 1024);
823 msg_Err( p_access, "cannot find any stream" );
824 var_buffer_free( &buffer );
825 MMSClose( p_access );
828 mms_CommandSend( p_access, 0x33,
830 0xffff | ( i_first << 16 ),
831 buffer.p_data, buffer.i_data );
833 mms_CommandRead( p_access, 0x21, 0 );
834 if( p_sys->i_command != 0x21 )
837 "unknown answer (0x%x instead of 0x21)",
839 var_buffer_free( &buffer );
840 MMSClose( p_access );
845 var_buffer_free( &buffer );
847 msg_Info( p_access, "connection sucessful" );
852 /****************************************************************************
853 * MMSStart : Start streaming
854 ****************************************************************************/
855 static int MMSStart( access_t *p_access, uint32_t i_packet )
857 access_sys_t *p_sys = p_access->p_sys;
860 /* *** start stream from packet 0 *** */
861 var_buffer_initwrite( &buffer, 0 );
862 var_buffer_add64( &buffer, 0 ); /* seek point in second */
863 var_buffer_add32( &buffer, 0xffffffff );
864 var_buffer_add32( &buffer, i_packet ); // begin from start
865 var_buffer_add8( &buffer, 0xff ); // stream time limit
866 var_buffer_add8( &buffer, 0xff ); // on 3bytes ...
867 var_buffer_add8( &buffer, 0xff ); //
868 var_buffer_add8( &buffer, 0x00 ); // don't use limit
869 var_buffer_add32( &buffer, p_sys->i_media_packet_id_type );
871 mms_CommandSend( p_access, 0x07, p_sys->i_command_level, 0x0001ffff,
872 buffer.p_data, buffer.i_data );
874 var_buffer_free( &buffer );
876 mms_CommandRead( p_access, 0x05, 0 );
878 if( p_sys->i_command != 0x05 )
881 "unknown answer (0x%x instead of 0x05)",
888 mms_HeaderMediaRead( p_access, MMS_PACKET_MEDIA );
889 msg_Dbg( p_access, "Streaming started" );
894 /****************************************************************************
895 * MMSStop : Stop streaming
896 ****************************************************************************/
897 static int MMSStop( access_t *p_access )
899 access_sys_t *p_sys = p_access->p_sys;
901 /* *** stop stream but keep connection alive *** */
902 mms_CommandSend( p_access,
904 p_sys->i_command_level,
910 /****************************************************************************
911 * MMSClose : Close streaming and connection
912 ****************************************************************************/
913 static void MMSClose( access_t *p_access )
915 access_sys_t *p_sys = p_access->p_sys;
917 msg_Dbg( p_access, "Connection closed" );
919 /* *** tell server that we will disconnect *** */
920 mms_CommandSend( p_access,
922 p_sys->i_command_level,
926 /* *** close sockets *** */
927 net_Close( p_sys->i_handle_tcp );
928 if( p_sys->i_proto == MMS_PROTO_UDP )
930 net_Close( p_sys->i_handle_udp );
933 FREE( p_sys->p_cmd );
934 FREE( p_sys->p_media );
935 FREE( p_sys->p_header );
937 FREE( p_sys->psz_server_version );
938 FREE( p_sys->psz_tool_version );
939 FREE( p_sys->psz_update_player_url );
940 FREE( p_sys->psz_encryption_type );
943 /****************************************************************************
945 * MMS specific functions
947 ****************************************************************************/
948 static int mms_CommandSend( access_t *p_access,
950 uint32_t i_prefix1, uint32_t i_prefix2,
951 uint8_t *p_data, int i_data )
955 access_sys_t *p_sys = p_access->p_sys;
958 i_data_by8 = ( i_data + 7 ) / 8;
960 /* first init uffer */
961 var_buffer_initwrite( &buffer, 0 );
963 var_buffer_add32( &buffer, 0x00000001 ); /* start sequence */
964 var_buffer_add32( &buffer, 0xB00BFACE );
965 /* size after protocol type */
966 var_buffer_add32( &buffer, i_data + MMS_CMD_HEADERSIZE - 16 );
967 var_buffer_add32( &buffer, 0x20534d4d ); /* protocol "MMS " */
968 var_buffer_add32( &buffer, i_data_by8 + 4 );
969 var_buffer_add32( &buffer, p_sys->i_seq_num ); p_sys->i_seq_num++;
970 var_buffer_add64( &buffer, 0 );
971 var_buffer_add32( &buffer, i_data_by8 + 2 );
972 var_buffer_add32( &buffer, 0x00030000 | i_command ); /* dir | command */
973 var_buffer_add32( &buffer, i_prefix1 ); /* command specific */
974 var_buffer_add32( &buffer, i_prefix2 ); /* command specific */
976 /* specific command data */
977 if( p_data && i_data > 0 )
979 var_buffer_addmemory( &buffer, p_data, i_data );
983 if( send( p_sys->i_handle_tcp,
988 msg_Err( p_access, "failed to send command" );
992 var_buffer_free( &buffer );
996 static int NetFillBuffer( access_t *p_access )
1002 access_sys_t *p_sys = p_access->p_sys;
1003 struct timeval timeout;
1004 fd_set fds_r, fds_e;
1007 /* FIXME when using udp */
1008 ssize_t i_tcp, i_udp;
1009 ssize_t i_tcp_read, i_udp_read;
1013 i_tcp = MMS_BUFFER_SIZE/2 - p_sys->i_buffer_tcp;
1015 if( p_sys->i_proto == MMS_PROTO_UDP )
1017 i_udp = MMS_BUFFER_SIZE/2 - p_sys->i_buffer_udp;
1021 i_udp = 0; /* there isn't udp socket */
1027 i_handle_max = __MAX( i_handle_max, p_sys->i_handle_tcp );
1029 i_handle_max = __MAX( i_handle_max, p_sys->i_handle_udp );
1031 if( i_handle_max == 0 )
1033 msg_Warn( p_access, "nothing to read %d:%d", i_tcp, i_udp );
1038 /* msg_Warn( p_access, "ask for tcp:%d udp:%d", i_tcp, i_udp ); */
1041 /* Find if some data is available */
1046 /* Initialize file descriptor set */
1052 FD_SET( p_sys->i_handle_tcp, &fds_r );
1053 FD_SET( p_sys->i_handle_tcp, &fds_e );
1057 FD_SET( p_sys->i_handle_udp, &fds_r );
1058 FD_SET( p_sys->i_handle_udp, &fds_e );
1061 /* We'll wait 0.5 second if nothing happens */
1063 timeout.tv_usec = 500000;
1065 if( i_try > 3 && (p_sys->i_buffer_tcp > 0 || p_sys->i_buffer_udp > 0) )
1070 if( p_access->b_die || p_access->b_error ) return -1;
1072 //msg_Dbg( p_access, "NetFillBuffer: trying again (select)" );
1074 } while( !(i_ret = select(i_handle_max +1, &fds_r, 0, &fds_e, &timeout)) ||
1075 (i_ret < 0 && errno == EINTR) );
1079 msg_Err( p_access, "network select error (%s)", strerror(errno) );
1083 i_tcp_read = i_udp_read = 0;
1085 if( i_tcp > 0 && FD_ISSET( p_sys->i_handle_tcp, &fds_r ) )
1088 recv( p_sys->i_handle_tcp,
1089 p_sys->buffer_tcp + p_sys->i_buffer_tcp,
1090 i_tcp + MMS_BUFFER_SIZE/2, 0 );
1093 if( i_udp > 0 && FD_ISSET( p_sys->i_handle_udp, &fds_r ) )
1095 i_udp_read = recv( p_sys->i_handle_udp,
1096 p_sys->buffer_udp + p_sys->i_buffer_udp,
1097 i_udp + MMS_BUFFER_SIZE/2, 0 );
1101 if( p_sys->i_proto == MMS_PROTO_UDP )
1103 msg_Dbg( p_access, "filling buffer TCP:%d+%d UDP:%d+%d",
1104 p_sys->i_buffer_tcp, i_tcp_read,
1105 p_sys->i_buffer_udp, i_udp_read );
1109 msg_Dbg( p_access, "filling buffer TCP:%d+%d",
1110 p_sys->i_buffer_tcp, i_tcp_read );
1114 if( i_tcp_read > 0 ) p_sys->i_buffer_tcp += i_tcp_read;
1115 if( i_udp_read > 0 ) p_sys->i_buffer_udp += i_udp_read;
1117 return i_tcp_read + i_udp_read;
1121 static int mms_ParseCommand( access_t *p_access,
1126 #define GET32( i_pos ) \
1127 ( p_sys->p_cmd[i_pos] + ( p_sys->p_cmd[i_pos +1] << 8 ) + \
1128 ( p_sys->p_cmd[i_pos + 2] << 16 ) + \
1129 ( p_sys->p_cmd[i_pos + 3] << 24 ) )
1131 access_sys_t *p_sys = p_access->p_sys;
1137 free( p_sys->p_cmd );
1139 p_sys->i_cmd = i_data;
1140 p_sys->p_cmd = malloc( i_data );
1141 memcpy( p_sys->p_cmd, p_data, i_data );
1143 *pi_used = i_data; /* by default */
1145 if( i_data < MMS_CMD_HEADERSIZE )
1147 msg_Warn( p_access, "truncated command (header incomplete)" );
1148 p_sys->i_command = 0;
1151 i_id = GetDWLE( p_data + 4 );
1152 i_length = GetDWLE( p_data + 8 ) + 16;
1154 if( i_id != 0xb00bface )
1157 "incorrect command header (0x%x)", i_id );
1158 p_sys->i_command = 0;
1162 if( i_length > p_sys->i_cmd )
1165 "truncated command (missing %d bytes)",
1166 i_length - i_data );
1167 p_sys->i_command = 0;
1170 else if( i_length < p_sys->i_cmd )
1172 p_sys->i_cmd = i_length;
1173 *pi_used = i_length;
1177 "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",
1181 /* 12: protocol type "MMS " */
1184 /* 24: unknown (0) */
1185 /* 28: unknown (0) */
1191 p_sys->i_command = GET32( 36 ) & 0xffff;
1194 return MMS_PACKET_CMD;
1197 static int mms_ParsePacket( access_t *p_access,
1198 uint8_t *p_data, size_t i_data,
1201 access_sys_t *p_sys = p_access->p_sys;
1202 int i_packet_seq_num;
1203 size_t i_packet_length;
1204 uint32_t i_packet_id;
1209 *pi_used = i_data; /* default */
1212 msg_Warn( p_access, "truncated packet (header incomplete)" );
1216 i_packet_id = p_data[4];
1217 i_packet_seq_num = GetDWLE( p_data );
1218 i_packet_length = GetWLE( p_data + 6 );
1220 //msg_Warn( p_access, "------->i_packet_length=%d, i_data=%d", i_packet_length, i_data );
1222 if( i_packet_length > i_data || i_packet_length <= 8)
1224 /* msg_Dbg( p_access,
1225 "truncated packet (Declared %d bytes, Actual %d bytes)",
1226 i_packet_length, i_data ); */
1230 else if( i_packet_length < i_data )
1232 *pi_used = i_packet_length;
1235 if( i_packet_id == 0xff )
1238 "receive MMS UDP pair timing" );
1239 return( MMS_PACKET_UDP_TIMING );
1242 if( i_packet_id != p_sys->i_header_packet_id_type &&
1243 i_packet_id != p_sys->i_media_packet_id_type )
1245 msg_Warn( p_access, "incorrect Packet Id Type (0x%x)", i_packet_id );
1249 /* we now have a media or a header packet */
1250 p_packet = malloc( i_packet_length - 8 ); // don't bother with preheader
1251 memcpy( p_packet, p_data + 8, i_packet_length - 8 );
1253 if( i_packet_seq_num != p_sys->i_packet_seq_num )
1255 /* FIXME for udp could be just wrong order ? */
1257 "detected packet lost (%d != %d)",
1259 p_sys->i_packet_seq_num );
1260 p_sys->i_packet_seq_num = i_packet_seq_num;
1262 p_sys->i_packet_seq_num++;
1264 if( i_packet_id == p_sys->i_header_packet_id_type )
1266 if( p_sys->p_header )
1268 p_sys->p_header = realloc( p_sys->p_header,
1269 p_sys->i_header + i_packet_length - 8 );
1270 memcpy( &p_sys->p_header[p_sys->i_header],
1272 i_packet_length - 8 );
1273 p_sys->i_header += i_packet_length - 8;
1279 p_sys->p_header = p_packet;
1280 p_sys->i_header = i_packet_length - 8;
1282 /* msg_Dbg( p_access,
1283 "receive header packet (%d bytes)",
1284 i_packet_length - 8 ); */
1286 return MMS_PACKET_HEADER;
1290 FREE( p_sys->p_media );
1291 p_sys->p_media = p_packet;
1292 p_sys->i_media = i_packet_length - 8;
1293 p_sys->i_media_used = 0;
1294 /* msg_Dbg( p_access,
1295 "receive media packet (%d bytes)",
1296 i_packet_length - 8 ); */
1298 return MMS_PACKET_MEDIA;
1302 static int mms_ReceivePacket( access_t *p_access )
1304 access_sys_t *p_sys = p_access->p_sys;
1305 int i_packet_tcp_type;
1306 int i_packet_udp_type;
1310 vlc_bool_t b_refill = VLC_TRUE;
1312 /* first if we need to refill buffer */
1313 if( p_sys->i_buffer_tcp >= MMS_CMD_HEADERSIZE )
1315 if( GetDWLE( p_sys->buffer_tcp + 4 ) == 0xb00bface )
1317 if( GetDWLE( p_sys->buffer_tcp + 8 ) + 16 <=
1318 p_sys->i_buffer_tcp )
1320 b_refill = VLC_FALSE;
1323 else if( GetWLE( p_sys->buffer_tcp + 6 ) <= p_sys->i_buffer_tcp )
1325 b_refill = VLC_FALSE;
1328 if( p_sys->i_proto == MMS_PROTO_UDP && p_sys->i_buffer_udp >= 8 &&
1329 GetWLE( p_sys->buffer_udp + 6 ) <= p_sys->i_buffer_udp )
1331 b_refill = VLC_FALSE;
1334 if( b_refill && NetFillBuffer( p_access ) < 0 )
1336 msg_Warn( p_access, "cannot fill buffer" );
1340 i_packet_tcp_type = -1;
1341 i_packet_udp_type = -1;
1343 if( p_sys->i_buffer_tcp > 0 )
1347 if( GetDWLE( p_sys->buffer_tcp + 4 ) == 0xb00bface )
1350 mms_ParseCommand( p_access, p_sys->buffer_tcp,
1351 p_sys->i_buffer_tcp, &i_used );
1357 mms_ParsePacket( p_access, p_sys->buffer_tcp,
1358 p_sys->i_buffer_tcp, &i_used );
1360 if( i_used > 0 && i_used < MMS_BUFFER_SIZE )
1362 memmove( p_sys->buffer_tcp, p_sys->buffer_tcp + i_used,
1363 MMS_BUFFER_SIZE - i_used );
1365 p_sys->i_buffer_tcp -= i_used;
1367 else if( p_sys->i_buffer_udp > 0 )
1372 mms_ParsePacket( p_access, p_sys->buffer_udp,
1373 p_sys->i_buffer_udp, &i_used );
1375 if( i_used > 0 && i_used < MMS_BUFFER_SIZE )
1377 memmove( p_sys->buffer_udp, p_sys->buffer_udp + i_used,
1378 MMS_BUFFER_SIZE - i_used );
1380 p_sys->i_buffer_udp -= i_used;
1383 if( i_packet_tcp_type == MMS_PACKET_CMD && p_sys->i_command == 0x1b )
1385 mms_CommandSend( p_access, 0x1b, 0, 0, NULL, 0 );
1386 i_packet_tcp_type = -1;
1389 if( i_packet_tcp_type != -1 )
1391 return i_packet_tcp_type;
1393 else if( i_packet_udp_type != -1 )
1395 return i_packet_udp_type;
1400 static int mms_ReceiveCommand( access_t *p_access )
1402 access_sys_t *p_sys = p_access->p_sys;
1409 if( NetFillBuffer( p_access ) < 0 )
1411 msg_Warn( p_access, "cannot fill buffer" );
1412 return VLC_EGENERIC;
1414 if( p_sys->i_buffer_tcp > 0 )
1416 i_status = mms_ParseCommand( p_access, p_sys->buffer_tcp,
1417 p_sys->i_buffer_tcp, &i_used );
1418 if( i_used < MMS_BUFFER_SIZE )
1420 memmove( p_sys->buffer_tcp, p_sys->buffer_tcp + i_used,
1421 MMS_BUFFER_SIZE - i_used );
1423 p_sys->i_buffer_tcp -= i_used;
1427 return VLC_EGENERIC;
1430 if( p_sys->i_command == 0x1b )
1432 mms_CommandSend( p_access, 0x1b, 0, 0, NULL, 0 );
1441 return VLC_EGENERIC;
1448 #define MMS_RETRY_MAX 10
1449 #define MMS_RETRY_SLEEP 50000
1451 static int mms_CommandRead( access_t *p_access, int i_command1,
1454 access_sys_t *p_sys = p_access->p_sys;
1458 for( i_count = 0; i_count < MMS_RETRY_MAX; )
1460 i_status = mms_ReceiveCommand( p_access );
1461 if( i_status < 0 || p_sys->i_command == 0 )
1464 msleep( MMS_RETRY_SLEEP );
1466 else if( i_command1 == 0 && i_command2 == 0)
1470 else if( p_sys->i_command == i_command1 ||
1471 p_sys->i_command == i_command2 )
1477 switch( p_sys->i_command )
1480 msg_Warn( p_access, "socket closed by server" );
1481 p_access->info.b_eof = 1;
1482 return VLC_EGENERIC;
1484 msg_Warn( p_access, "end of media stream" );
1485 p_access->info.b_eof = 1;
1486 return VLC_EGENERIC;
1492 msg_Warn( p_access, "failed to receive command (aborting)" );
1494 return VLC_EGENERIC;
1498 static int mms_HeaderMediaRead( access_t *p_access, int i_type )
1500 access_sys_t *p_sys = p_access->p_sys;
1503 for( i_count = 0; i_count < MMS_RETRY_MAX; )
1507 if( p_access->b_die )
1510 i_status = mms_ReceivePacket( p_access );
1514 msg_Warn( p_access, "cannot receive header (%d/%d)",
1515 i_count, MMS_RETRY_MAX );
1516 msleep( MMS_RETRY_SLEEP );
1518 else if( i_status == i_type || i_type == MMS_PACKET_ANY )
1522 else if( i_status == MMS_PACKET_CMD )
1524 switch( p_sys->i_command )
1527 msg_Warn( p_access, "socket closed by server" );
1528 p_access->info.b_eof = 1;
1531 msg_Warn( p_access, "end of media stream" );
1532 p_access->info.b_eof = 1;
1535 /* XXX not too dificult to be done EXCEPT that we
1536 * need to restart demuxer... and I don't see how we
1537 * could do that :p */
1539 "reinitialization needed --> unsupported" );
1540 p_access->info.b_eof = VLC_TRUE;
1548 msg_Err( p_access, "cannot receive %s (aborting)",
1549 ( i_type == MMS_PACKET_HEADER ) ? "header" : "media data" );