1 /*****************************************************************************
2 * mms.c: MMS access plug-in
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
5 * $Id: mmstu.c,v 1.4 2003/07/10 23:55:14 fenrir Exp $
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 *****************************************************************************/
30 #include <sys/types.h>
37 #include <vlc/input.h>
44 # include <winsock2.h>
45 # include <ws2tcpip.h>
47 # define IN_MULTICAST(a) IN_CLASSD(a)
50 # include <sys/socket.h>
51 # include <netinet/in.h>
53 # include <arpa/inet.h>
54 # elif defined( SYS_BEOS )
55 # include <net/netdb.h>
68 /****************************************************************************
70 * MMSProtocole documentation found at http://get.to/sdp
71 ****************************************************************************/
73 /*****************************************************************************
75 *****************************************************************************/
76 int E_( MMSTUOpen ) ( input_thread_t * );
77 void E_( MMSTUClose ) ( input_thread_t * );
80 static ssize_t Read ( input_thread_t * p_input, byte_t * p_buffer,
82 static void Seek ( input_thread_t *, off_t );
84 static int MMSOpen( input_thread_t *, url_t *, int, char * );
86 static int MMSStart ( input_thread_t *, uint32_t );
87 static int MMSStop ( input_thread_t *p_input );
89 static int MMSClose ( input_thread_t * );
92 static int mms_CommandRead( input_thread_t *p_input, int i_command1, int i_command2 );
93 static int mms_CommandSend( input_thread_t *, int, uint32_t, uint32_t, uint8_t *, int );
95 static int mms_HeaderMediaRead( input_thread_t *, int );
97 static int mms_ReceivePacket( input_thread_t * );
99 //static void mms_ParseURL( url_t *p_url, char *psz_url );
104 * XXX DON'T FREE MY MEMORY !!! XXX
109 * Ok, ok, j'le ferai plus...
115 * Vous pourriez signer vos commentaires (même si on voit bien qui peut
116 * écrire ce genre de trucs :p), et écrire en anglais, bordel de
120 int E_( MMSTUOpen ) ( input_thread_t *p_input )
127 /* *** allocate p_sys_data *** */
128 p_input->p_access_data = p_sys = malloc( sizeof( access_sys_t ) );
129 memset( p_sys, 0, sizeof( access_sys_t ) );
132 /* *** Parse URL and get server addr/port and path *** */
133 //mms_ParseURL( &p_sys->url, p_input->psz_name );
134 p_sys->p_url = E_( url_new )( p_input->psz_name );
136 if( *p_sys->p_url->psz_host == '\0' )
138 E_( url_free )( p_sys->p_url );
139 msg_Err( p_input, "invalid server name" );
142 if( p_sys->p_url->i_port <= 0 )
144 p_sys->p_url->i_port = 1755;
147 if( p_sys->url.i_bind_port == 0 )
149 p_sys->url.i_bind_port = 7000; /* default port */
153 /* *** connect to this server *** */
154 /* 1: look at requested protocol (udp/tcp) */
155 i_proto = MMS_PROTO_AUTO;
156 if( *p_input->psz_access )
158 if( !strncmp( p_input->psz_access, "mmsu", 4 ) )
160 i_proto = MMS_PROTO_UDP;
162 else if( !strncmp( p_input->psz_access, "mmst", 4 ) )
164 i_proto = MMS_PROTO_TCP;
167 /* 2: look at ip version ipv4/ipv6 */
169 if( config_GetInt( p_input, "ipv4" ) )
171 psz_network = "ipv4";
173 else if( config_GetInt( p_input, "ipv6" ) )
175 psz_network = "ipv6";
178 if( i_proto == MMS_PROTO_AUTO )
179 { /* first try with TCP */
181 MMSOpen( p_input, p_sys->p_url, MMS_PROTO_TCP, psz_network );
183 { /* then with UDP */
185 MMSOpen( p_input, p_sys->p_url, MMS_PROTO_UDP, psz_network );
192 MMSOpen( p_input, p_sys->p_url, i_proto, psz_network );
197 msg_Err( p_input, "cannot connect to server" );
198 E_( url_free )( p_sys->p_url );
201 msg_Dbg( p_input, "connected to %s:%d", p_sys->p_url->psz_host, p_sys->p_url->i_port );
204 /* *** set exported functions *** */
205 p_input->pf_read = Read;
206 p_input->pf_seek = Seek;
207 p_input->pf_set_program = input_SetProgram;
208 p_input->pf_set_area = NULL;
210 p_input->p_private = NULL;
212 /* *** finished to set some variable *** */
213 vlc_mutex_lock( &p_input->stream.stream_lock );
214 p_input->stream.b_pace_control = 0;
215 p_input->stream.p_selected_area->i_tell = 0;
219 * broadcast yy=0x02, xx= 0x00
220 * pre-recorded yy=0x01, xx= 0x80 if video, 0x00 no video
222 if( p_sys->i_packet_count <= 0 || ( p_sys->i_flags_broadcast >> 24 ) == 0x02 )
224 p_input->stream.b_seekable = 0;
225 p_input->stream.p_selected_area->i_size = 0;
229 p_input->stream.b_seekable = 1;
230 p_input->stream.p_selected_area->i_size =
232 p_sys->i_packet_count * p_sys->i_packet_length;
235 p_input->stream.i_method = INPUT_METHOD_NETWORK;
236 vlc_mutex_unlock( &p_input->stream.stream_lock );
238 /* *** Start stream *** */
239 if( MMSStart( p_input, 0xffffffff ) < 0 )
241 msg_Err( p_input, "cannot start stream" );
243 E_( url_free )( p_sys->p_url );
247 /* Update default_pts to a suitable value for mms access */
248 p_input->i_pts_delay = config_GetInt( p_input, "mms-caching" ) * 1000;
253 /*****************************************************************************
254 * Close: free unused data structures
255 *****************************************************************************/
256 void E_( MMSTUClose ) ( input_thread_t *p_input )
258 access_sys_t *p_sys = p_input->p_access_data;
260 /* close connection with server */
264 E_( url_free )( p_sys->p_url );
269 /*****************************************************************************
270 * Seek: try to go at the right place
271 *****************************************************************************/
272 static void Seek( input_thread_t * p_input, off_t i_pos )
274 access_sys_t *p_sys = p_input->p_access_data;
284 vlc_mutex_lock( &p_input->stream.stream_lock );
286 if( i_pos < p_sys->i_header)
289 if( p_sys->i_pos < p_sys->i_header )
291 /* no need to restart stream, it was already one
292 * or no stream was yet read */
293 p_sys->i_pos = i_pos;
298 i_packet = 0xffffffff;
304 i_packet = ( i_pos - p_sys->i_header ) / p_sys->i_packet_length;
305 i_offset = ( i_pos - p_sys->i_header ) % p_sys->i_packet_length;
307 msg_Dbg( p_input, "seeking to "I64Fd " (packet:%d)", i_pos, i_packet );
310 msg_Dbg( p_input, "stream stopped (seek)" );
312 /* *** restart stream *** */
313 var_buffer_initwrite( &buffer, 0 );
314 var_buffer_add64( &buffer, 0 ); /* seek point in second */
315 var_buffer_add32( &buffer, 0xffffffff );
316 var_buffer_add32( &buffer, i_packet ); // begin from start
317 var_buffer_add8( &buffer, 0xff ); // stream time limit
318 var_buffer_add8( &buffer, 0xff ); // on 3bytes ...
319 var_buffer_add8( &buffer, 0xff ); //
320 var_buffer_add8( &buffer, 0x00 ); // don't use limit
321 var_buffer_add32( &buffer, p_sys->i_media_packet_id_type );
323 mms_CommandSend( p_input, 0x07, p_sys->i_command_level, 0x0001ffff,
324 buffer.p_data, buffer.i_data );
326 var_buffer_free( &buffer );
331 mms_HeaderMediaRead( p_input, MMS_PACKET_CMD );
332 if( p_sys->i_command == 0x1e )
334 msg_Dbg( p_input, "received 0x1e (seek)" );
341 mms_HeaderMediaRead( p_input, MMS_PACKET_CMD );
342 if( p_sys->i_command == 0x05 )
344 msg_Dbg( p_input, "received 0x05 (seek)" );
350 mms_HeaderMediaRead( p_input, MMS_PACKET_MEDIA );
351 msg_Dbg( p_input, "Streaming restarted" );
353 p_sys->i_media_used += i_offset;
354 p_sys->i_pos = i_pos;
355 p_input->stream.p_selected_area->i_tell = i_pos;
356 vlc_mutex_unlock( &p_input->stream.stream_lock );
359 static ssize_t Read ( input_thread_t * p_input, byte_t * p_buffer,
362 access_sys_t *p_sys = p_input->p_access_data;
368 /* *** send header if needed ** */
369 if( p_sys->i_pos < p_sys->i_header )
371 i_copy = __MIN( i_len, p_sys->i_header - p_sys->i_pos );
375 p_sys->p_header + p_sys->i_pos,
381 /* *** now send data if needed *** */
382 while( i_data < i_len )
384 if( p_sys->i_media_used < p_sys->i_media )
386 i_copy = __MIN( i_len - i_data ,
387 p_sys->i_media - p_sys->i_media_used );
388 memcpy( p_buffer + i_data,
389 p_sys->p_media + p_sys->i_media_used,
392 p_sys->i_media_used += i_copy;
394 else if( p_sys->p_media != NULL &&
395 p_sys->i_media_used < p_sys->i_packet_length )
397 i_copy = __MIN( i_len - i_data,
398 p_sys->i_packet_length - p_sys->i_media_used);
399 memset( p_buffer + i_data, 0, i_copy );
402 p_sys->i_media_used += i_copy;
407 || mms_HeaderMediaRead( p_input, MMS_PACKET_MEDIA ) < 0 )
409 p_sys->i_pos += i_data;
415 p_sys->i_pos += i_data;
419 /****************************************************************************
420 * MMSOpen : Open a connection with the server over mmst or mmsu
421 ****************************************************************************/
422 static int MMSOpen( input_thread_t *p_input,
425 char *psz_network ) /* "", "ipv4", "ipv6" */
428 access_sys_t *p_sys = p_input->p_access_data;
430 network_socket_t socket_desc;
431 int b_udp = ( i_proto == MMS_PROTO_UDP ) ? 1 : 0;
436 int i_server_version;
438 int i_update_player_url;
439 int i_encryption_type;
445 /* *** Open a TCP connection with server *** */
446 msg_Dbg( p_input, "waiting for connection..." );
447 socket_desc.i_type = NETWORK_TCP;
448 socket_desc.psz_server_addr = p_url->psz_host;
449 socket_desc.i_server_port = p_url->i_port;
450 socket_desc.psz_bind_addr = "";
451 socket_desc.i_bind_port = 0;
452 p_input->p_private = (void*)&socket_desc;
453 if( !( p_network = module_Need( p_input, "network", psz_network ) ) )
455 msg_Err( p_input, "failed to open a connection (tcp)" );
458 module_Unneed( p_input, p_network );
459 p_sys->socket_tcp.i_handle = socket_desc.i_handle;
460 p_input->i_mtu = 0; /*socket_desc.i_mtu;*/
462 "connection(tcp) with \"%s:%d\" successful",
466 /* *** Bind port if UDP protocol is selected *** */
469 struct sockaddr_in name;
470 socklen_t i_namelen = sizeof( struct sockaddr_in );
472 if( getsockname( p_sys->socket_tcp.i_handle,
473 (struct sockaddr*)&name, &i_namelen ) < 0 )
476 msg_Err( p_input, "for udp you have to provide bind address (mms://<server_addr>@<bind_addr/<path> (FIXME)" );
477 #if defined( UNDER_CE )
478 CloseHandle( (HANDLE)p_sys->socket_tcp.i_handle );
479 #elif defined( WIN32 )
480 closesocket( p_sys->socket_tcp.i_handle );
482 close( p_sys->socket_tcp.i_handle );
486 p_sys->psz_bind_addr = inet_ntoa( name.sin_addr );
488 socket_desc.i_type = NETWORK_UDP;
489 socket_desc.psz_server_addr = "";
490 socket_desc.i_server_port = 0;
491 socket_desc.psz_bind_addr = p_sys->psz_bind_addr;
492 socket_desc.i_bind_port = 7000; //p_url->i_bind_port; FIXME
493 p_input->p_private = (void*)&socket_desc;
494 if( !( p_network = module_Need( p_input, "network", psz_network ) ) )
496 msg_Err( p_input, "failed to open a connection (udp)" );
497 #if defined( UNDER_CE )
498 CloseHandle( (HANDLE)p_sys->socket_tcp.i_handle );
499 #elif defined( WIN32 )
500 closesocket( p_sys->socket_tcp.i_handle );
502 close( p_sys->socket_tcp.i_handle );
506 module_Unneed( p_input, p_network );
507 p_sys->socket_udp.i_handle = socket_desc.i_handle;
508 p_input->i_mtu = 0;/*socket_desc.i_mtu; FIXME */
511 "connection(udp) at \"%s:%d\" successful",
512 p_sys->psz_bind_addr,
517 p_sys->psz_bind_addr = NULL;
520 /* *** Init context for mms prototcol *** */
521 E_( GenerateGuid )( &p_sys->guid ); /* used to identify client by server */
523 "generated guid: "GUID_FMT,
524 GUID_PRINT( p_sys->guid ) );
525 p_sys->i_command_level = 1; /* updated after 0x1A command */
526 p_sys->i_seq_num = 0;
527 p_sys->i_media_packet_id_type = 0x04;
528 p_sys->i_header_packet_id_type = 0x02;
529 p_sys->i_proto = i_proto;
530 p_sys->i_packet_seq_num = 0;
531 p_sys->p_header = NULL;
533 p_sys->p_media = NULL;
535 p_sys->i_media_used = 0;
538 p_sys->i_buffer_tcp = 0;
539 p_sys->i_buffer_udp = 0;
544 /* *** send command 1 : connection request *** */
545 var_buffer_initwrite( &buffer, 0 );
546 var_buffer_add16( &buffer, 0x001c );
547 var_buffer_add16( &buffer, 0x0003 );
549 "NSPlayer/7.0.0.1956; {"GUID_FMT"}; Host: %s",
550 GUID_PRINT( p_sys->guid ),
552 var_buffer_addUTF16( &buffer, tmp );
554 mms_CommandSend( p_input,
555 0x01, /* connexion request */
556 0x00000000, /* flags, FIXME */
557 0x0004000b, /* ???? */
561 if( mms_CommandRead( p_input, 0x01, 0 ) < 0 )
563 var_buffer_free( &buffer );
568 i_server_version = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 32 );
569 i_tool_version = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 36 );
570 i_update_player_url = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 40 );
571 i_encryption_type = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 44 );
572 p = (uint16_t*)( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 48 );
573 #define GETUTF16( psz, size ) \
576 psz = malloc( size + 1); \
577 for( i = 0; i < size; i++ ) \
584 GETUTF16( p_sys->psz_server_version, i_server_version );
585 GETUTF16( p_sys->psz_tool_version, i_tool_version );
586 GETUTF16( p_sys->psz_update_player_url, i_update_player_url );
587 GETUTF16( p_sys->psz_encryption_type, i_encryption_type );
590 "0x01 --> server_version:\"%s\" tool_version:\"%s\" update_player_url:\"%s\" encryption_type:\"%s\"",
591 p_sys->psz_server_version,
592 p_sys->psz_tool_version,
593 p_sys->psz_update_player_url,
594 p_sys->psz_encryption_type );
596 /* *** should make an 18 command to make data timing *** */
598 /* *** send command 2 : transport protocol selection *** */
599 var_buffer_reinitwrite( &buffer, 0 );
600 var_buffer_add32( &buffer, 0x00000000 );
601 var_buffer_add32( &buffer, 0x000a0000 );
602 var_buffer_add32( &buffer, 0x00000002 );
607 p_sys->psz_bind_addr,
612 sprintf( tmp, "\\\\192.168.0.1\\TCP\\1242" );
614 var_buffer_addUTF16( &buffer, tmp );
615 var_buffer_add16( &buffer, '0' );
617 mms_CommandSend( p_input,
618 0x02, /* connexion request */
619 0x00000000, /* flags, FIXME */
620 0xffffffff, /* ???? */
624 /* *** response from server, should be 0x02 or 0x03 *** */
625 mms_CommandRead( p_input, 0x02, 0x03 );
626 if( p_sys->i_command == 0x03 )
629 "%s protocol selection failed", b_udp ? "UDP" : "TCP" );
630 var_buffer_free( &buffer );
634 else if( p_sys->i_command != 0x02 )
636 msg_Warn( p_input, "received command isn't 0x02 in reponse to 0x02" );
639 /* *** send command 5 : media file name/path requested *** */
640 var_buffer_reinitwrite( &buffer, 0 );
641 var_buffer_add64( &buffer, 0 );
642 var_buffer_addUTF16( &buffer, p_url->psz_path );
644 mms_CommandSend( p_input,
646 p_sys->i_command_level,
651 /* *** wait for reponse *** */
652 mms_CommandRead( p_input, 0x1a, 0x06 );
654 /* test if server send 0x1A answer */
655 if( p_sys->i_command == 0x1A )
657 msg_Err( p_input, "id/password requested (not yet supported)" );
659 var_buffer_free( &buffer );
663 if( p_sys->i_command != 0x06 )
666 "unknown answer (0x%x instead of 0x06)",
668 var_buffer_free( &buffer );
673 /* 1 for file ok, 2 for authen ok */
674 switch( GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE ) )
677 msg_Dbg( p_input, "Media file name/path accepted" );
680 msg_Dbg( p_input, "Authentication accepted" );
684 msg_Err( p_input, "error while asking for file %d",
685 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE ) );
686 var_buffer_free( &buffer );
691 p_sys->i_flags_broadcast =
692 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 12 );
693 p_sys->i_media_length =
694 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 24 );
695 p_sys->i_packet_length =
696 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 44 );
697 p_sys->i_packet_count =
698 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 48 );
699 p_sys->i_max_bit_rate =
700 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 56 );
701 p_sys->i_header_size =
702 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 60 );
705 "answer 0x06 flags:0x%8.8x media_length:%ds packet_length:%d packet_count:%d max_bit_rate:%d header_size:%d",
706 p_sys->i_flags_broadcast,
707 p_sys->i_media_length,
708 p_sys->i_packet_length,
709 p_sys->i_packet_count,
710 p_sys->i_max_bit_rate,
711 p_sys->i_header_size );
713 /* XXX XXX dirty hack XXX XXX */
714 p_input->i_mtu = 3 * p_sys->i_packet_length;
716 /* *** send command 15 *** */
718 var_buffer_reinitwrite( &buffer, 0 );
719 var_buffer_add32( &buffer, 0 );
720 var_buffer_add32( &buffer, 0x8000 );
721 var_buffer_add32( &buffer, 0xffffffff );
722 var_buffer_add32( &buffer, 0x00 );
723 var_buffer_add32( &buffer, 0x00 );
724 var_buffer_add32( &buffer, 0x00 );
725 var_buffer_add64( &buffer, 0x40ac200000000000 );
726 var_buffer_add32( &buffer, p_sys->i_header_packet_id_type );
727 var_buffer_add32( &buffer, 0x00 );
728 mms_CommandSend( p_input, 0x15, p_sys->i_command_level, 0x00,
729 buffer.p_data, buffer.i_data );
731 /* *** wait for reponse *** */
732 /* Commented out because it fails on some stream (no 0x11 answer) */
734 mms_CommandRead( p_input, 0x11, 0 );
736 if( p_sys->i_command != 0x11 )
739 "unknown answer (0x%x instead of 0x11)",
741 var_buffer_free( &buffer );
747 /* *** now read header packet *** */
748 /* XXX could be split over multiples packets */
749 msg_Dbg( p_input, "reading header" );
752 if( mms_HeaderMediaRead( p_input, MMS_PACKET_HEADER ) < 0 )
754 msg_Err( p_input, "cannot receive header" );
755 var_buffer_free( &buffer );
759 if( p_sys->i_header >= p_sys->i_header_size )
762 "header complete(%d)",
767 "header incomplete (%d/%d), reading more",
769 p_sys->i_header_size );
772 /* *** parse header and get stream and their id *** */
773 /* get all streams properties,
775 * TODO : stream bitrates properties(optional)
776 * and bitrate mutual exclusion(optional) */
777 E_( asf_HeaderParse )( &p_sys->asfh,
778 p_sys->p_header, p_sys->i_header );
779 E_( asf_StreamSelect)( &p_sys->asfh,
780 config_GetInt( p_input, "mms-maxbitrate" ),
781 config_GetInt( p_input, "mms-all" ),
782 config_GetInt( p_input, "audio" ),
783 config_GetInt( p_input, "video" ) );
785 /* *** now select stream we want to receive *** */
786 /* TODO take care of stream bitrate TODO */
789 var_buffer_reinitwrite( &buffer, 0 );
790 /* for now, select first audio and video stream */
791 for( i = 1; i < 128; i++ )
794 if( p_sys->asfh.stream[i].i_cat != ASF_STREAM_UNKNOWN )
799 var_buffer_add16( &buffer, 0xffff );
800 var_buffer_add16( &buffer, i );
806 if( p_sys->asfh.stream[i].i_selected )
808 var_buffer_add16( &buffer, 0x0000 );
810 "selecting stream[0x%x] %s (%d kb/s)",
812 ( p_sys->asfh.stream[i].i_cat == ASF_STREAM_AUDIO ) ?
814 p_sys->asfh.stream[i].i_bitrate / 1024);
818 var_buffer_add16( &buffer, 0x0002 );
820 "ignoring stream[0x%x] %s (%d kb/s)",
822 ( p_sys->asfh.stream[i].i_cat == ASF_STREAM_AUDIO ) ?
824 p_sys->asfh.stream[i].i_bitrate / 1024);
832 msg_Err( p_input, "cannot find any stream" );
833 var_buffer_free( &buffer );
837 mms_CommandSend( p_input, 0x33,
839 0xffff | ( i_first << 16 ),
840 buffer.p_data, buffer.i_data );
842 mms_CommandRead( p_input, 0x21, 0 );
843 if( p_sys->i_command != 0x21 )
846 "unknown answer (0x%x instead of 0x21)",
848 var_buffer_free( &buffer );
854 var_buffer_free( &buffer );
856 msg_Info( p_input, "connection sucessful" );
861 /****************************************************************************
862 * MMSStart : Start streaming
863 ****************************************************************************/
864 static int MMSStart ( input_thread_t *p_input, uint32_t i_packet )
866 access_sys_t *p_sys = p_input->p_access_data;
869 /* *** start stream from packet 0 *** */
870 var_buffer_initwrite( &buffer, 0 );
871 var_buffer_add64( &buffer, 0 ); /* seek point in second */
872 var_buffer_add32( &buffer, 0xffffffff );
873 var_buffer_add32( &buffer, i_packet ); // begin from start
874 var_buffer_add8( &buffer, 0xff ); // stream time limit
875 var_buffer_add8( &buffer, 0xff ); // on 3bytes ...
876 var_buffer_add8( &buffer, 0xff ); //
877 var_buffer_add8( &buffer, 0x00 ); // don't use limit
878 var_buffer_add32( &buffer, p_sys->i_media_packet_id_type );
880 mms_CommandSend( p_input, 0x07, p_sys->i_command_level, 0x0001ffff,
881 buffer.p_data, buffer.i_data );
883 var_buffer_free( &buffer );
885 mms_CommandRead( p_input, 0x05, 0 );
887 if( p_sys->i_command != 0x05 )
890 "unknown answer (0x%x instead of 0x05)",
897 mms_HeaderMediaRead( p_input, MMS_PACKET_MEDIA );
898 msg_Dbg( p_input, "Streaming started" );
903 /****************************************************************************
904 * MMSStop : Stop streaming
905 ****************************************************************************/
906 static int MMSStop ( input_thread_t *p_input )
908 access_sys_t *p_sys = p_input->p_access_data;
910 /* *** stop stream but keep connection alive *** */
911 mms_CommandSend( p_input,
913 p_sys->i_command_level,
919 /****************************************************************************
920 * MMSClose : Close streaming and connection
921 ****************************************************************************/
922 static int MMSClose ( input_thread_t *p_input )
924 access_sys_t *p_sys = p_input->p_access_data;
926 msg_Dbg( p_input, "Connection closed" );
928 /* *** tell server that we will disconnect *** */
929 mms_CommandSend( p_input,
931 p_sys->i_command_level,
934 /* *** close sockets *** */
935 #if defined( UNDER_CE )
936 CloseHandle( (HANDLE)p_sys->socket_tcp.i_handle );
937 #elif defined( WIN32 )
938 closesocket( p_sys->socket_tcp.i_handle );
940 close( p_sys->socket_tcp.i_handle );
943 if( p_sys->i_proto == MMS_PROTO_UDP )
945 #if defined( UNDER_CE )
946 CloseHandle( (HANDLE)p_sys->socket_udp.i_handle );
947 #elif defined( WIN32 )
948 closesocket( p_sys->socket_udp.i_handle );
950 close( p_sys->socket_udp.i_handle );
954 FREE( p_sys->p_cmd );
955 FREE( p_sys->p_media );
956 FREE( p_sys->p_header );
958 FREE( p_sys->psz_server_version );
959 FREE( p_sys->psz_tool_version );
960 FREE( p_sys->psz_update_player_url );
961 FREE( p_sys->psz_encryption_type );
966 /****************************************************************************
968 * MMS specific functions
970 ****************************************************************************/
972 static int mms_CommandSend( input_thread_t *p_input,
974 uint32_t i_prefix1, uint32_t i_prefix2,
975 uint8_t *p_data, int i_data )
979 access_sys_t *p_sys = p_input->p_access_data;
982 i_data_by8 = ( i_data + 7 ) / 8;
984 /* first init uffer */
985 var_buffer_initwrite( &buffer, 0 );
987 var_buffer_add32( &buffer, 0x00000001 ); /* start sequence */
988 var_buffer_add32( &buffer, 0xB00BFACE );
989 /* size after protocol type */
990 var_buffer_add32( &buffer, i_data + MMS_CMD_HEADERSIZE - 16 );
991 var_buffer_add32( &buffer, 0x20534d4d ); /* protocol "MMS " */
992 var_buffer_add32( &buffer, i_data_by8 + 4 );
993 var_buffer_add32( &buffer, p_sys->i_seq_num ); p_sys->i_seq_num++;
994 var_buffer_add64( &buffer, 0 );
995 var_buffer_add32( &buffer, i_data_by8 + 2 );
996 var_buffer_add32( &buffer, 0x00030000 | i_command ); /* dir | command */
997 var_buffer_add32( &buffer, i_prefix1 ); /* command specific */
998 var_buffer_add32( &buffer, i_prefix2 ); /* command specific */
1000 /* specific command data */
1001 if( p_data && i_data > 0 )
1003 var_buffer_addmemory( &buffer, p_data, i_data );
1007 if( send( p_sys->socket_tcp.i_handle,
1012 msg_Err( p_input, "failed to send command" );
1016 var_buffer_free( &buffer );
1020 static int NetFillBuffer( input_thread_t *p_input )
1025 access_sys_t *p_sys = p_input->p_access_data;
1026 struct timeval timeout;
1030 /* FIXME when using udp */
1031 ssize_t i_tcp, i_udp;
1032 ssize_t i_tcp_read, i_udp_read;
1036 /* Initialize file descriptor set */
1039 i_tcp = MMS_BUFFER_SIZE/2 - p_sys->i_buffer_tcp;
1041 if( p_sys->i_proto == MMS_PROTO_UDP )
1043 i_udp = MMS_BUFFER_SIZE/2 - p_sys->i_buffer_udp;
1047 i_udp = 0; /* there isn't udp socket */
1053 FD_SET( p_sys->socket_tcp.i_handle, &fds );
1054 i_handle_max = __MAX( i_handle_max, p_sys->socket_tcp.i_handle );
1058 FD_SET( p_sys->socket_udp.i_handle, &fds );
1059 i_handle_max = __MAX( i_handle_max, p_sys->socket_udp.i_handle );
1062 if( i_handle_max == 0 )
1064 msg_Warn( p_input, "nothing to read %d:%d", i_tcp, i_udp );
1069 // msg_Warn( p_input, "ask for tcp:%d udp:%d", i_tcp, i_udp );
1072 /* We'll wait 0.5 second if nothing happens */
1074 timeout.tv_usec = 500000;
1076 /* Find if some data is available */
1077 while( (i_ret = select( i_handle_max + 1, &fds,
1078 NULL, NULL, &timeout )) == 0
1079 || (i_ret < 0 && errno == EINTR) )
1083 if( i_tcp > 0 ) FD_SET( p_sys->socket_tcp.i_handle, &fds );
1084 if( i_udp > 0 ) FD_SET( p_sys->socket_udp.i_handle, &fds );
1086 timeout.tv_usec = 500000;
1088 if( i_try > 2 && ( p_sys->i_buffer_tcp > 0 || p_sys->i_buffer_udp > 0 ) )
1092 if( p_input->b_die || p_input->b_error )
1096 msg_Dbg( p_input, "NetFillBuffer: trying again (select)" );
1101 msg_Err( p_input, "network select error (%s)", strerror(errno) );
1105 if( i_tcp > 0 && FD_ISSET( p_sys->socket_tcp.i_handle, &fds ) )
1108 recv( p_sys->socket_tcp.i_handle,
1109 p_sys->buffer_tcp + p_sys->i_buffer_tcp,
1110 i_tcp + MMS_BUFFER_SIZE/2, 0 );
1117 if( i_udp > 0 && FD_ISSET( p_sys->socket_udp.i_handle, &fds ) )
1119 i_udp_read = recv( p_sys->socket_udp.i_handle,
1120 p_sys->buffer_udp + p_sys->i_buffer_udp,
1121 i_udp + MMS_BUFFER_SIZE/2, 0 );
1129 if( p_sys->i_proto == MMS_PROTO_UDP )
1132 "filling buffer TCP:%d+%d UDP:%d+%d",
1133 p_sys->i_buffer_tcp,
1135 p_sys->i_buffer_udp,
1141 "filling buffer TCP:%d+%d",
1142 p_sys->i_buffer_tcp,
1146 if( i_tcp_read > 0 )
1148 p_sys->i_buffer_tcp += i_tcp_read;
1150 if( i_udp_read > 0 )
1152 p_sys->i_buffer_udp += i_udp_read;
1155 return( i_tcp_read + i_udp_read);
1159 static int mms_ParseCommand( input_thread_t *p_input,
1164 #define GET32( i_pos ) \
1165 ( p_sys->p_cmd[i_pos] + ( p_sys->p_cmd[i_pos +1] << 8 ) + \
1166 ( p_sys->p_cmd[i_pos + 2] << 16 ) + \
1167 ( p_sys->p_cmd[i_pos + 3] << 24 ) )
1169 access_sys_t *p_sys = p_input->p_access_data;
1175 free( p_sys->p_cmd );
1177 p_sys->i_cmd = i_data;
1178 p_sys->p_cmd = malloc( i_data );
1179 memcpy( p_sys->p_cmd, p_data, i_data );
1181 *pi_used = i_data; /* by default */
1183 if( i_data < MMS_CMD_HEADERSIZE )
1185 msg_Warn( p_input, "truncated command (header incomplete)" );
1186 p_sys->i_command = 0;
1189 i_id = GetDWLE( p_data + 4 );
1190 i_length = GetDWLE( p_data + 8 ) + 16;
1192 if( i_id != 0xb00bface )
1195 "incorrect command header (0x%x)", i_id );
1196 p_sys->i_command = 0;
1200 if( i_length > p_sys->i_cmd )
1203 "truncated command (missing %d bytes)",
1204 i_length - i_data );
1205 p_sys->i_command = 0;
1208 else if( i_length < p_sys->i_cmd )
1210 p_sys->i_cmd = i_length;
1211 *pi_used = i_length;
1215 "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",
1219 /* 12: protocol type "MMS " */
1222 /* 24: unknown (0) */
1223 /* 28: unknown (0) */
1229 p_sys->i_command = GET32( 36 ) & 0xffff;
1231 return( MMS_PACKET_CMD );
1234 static int mms_ParsePacket( input_thread_t *p_input,
1235 uint8_t *p_data, size_t i_data,
1238 access_sys_t *p_sys = p_input->p_access_data;
1239 int i_packet_seq_num;
1240 size_t i_packet_length;
1241 uint32_t i_packet_id;
1246 *pi_used = i_data; /* default */
1249 msg_Warn( p_input, "truncated packet (header incomplete)" );
1253 i_packet_id = p_data[4];
1254 i_packet_seq_num = GetDWLE( p_data );
1255 i_packet_length = GetWLE( p_data + 6 );
1257 //msg_Warn( p_input, "------->i_packet_length=%d, i_data=%d", i_packet_length, i_data );
1259 if( i_packet_length > i_data || i_packet_length <= 8)
1262 "truncated packet (missing %d bytes)",
1263 i_packet_length - i_data );
1267 else if( i_packet_length < i_data )
1269 *pi_used = i_packet_length;
1272 if( i_packet_id == 0xff )
1275 "receive MMS UDP pair timing" );
1276 return( MMS_PACKET_UDP_TIMING );
1279 if( i_packet_id != p_sys->i_header_packet_id_type &&
1280 i_packet_id != p_sys->i_media_packet_id_type )
1282 msg_Warn( p_input, "incorrect Packet Id Type (0x%x)", i_packet_id );
1286 /* we now have a media or a header packet */
1287 p_packet = malloc( i_packet_length - 8 ); // don't bother with preheader
1288 memcpy( p_packet, p_data + 8, i_packet_length - 8 );
1290 if( i_packet_seq_num != p_sys->i_packet_seq_num )
1292 /* FIXME for udp could be just wrong order ? */
1294 "detected packet lost (%d != %d)",
1296 p_sys->i_packet_seq_num );
1297 p_sys->i_packet_seq_num = i_packet_seq_num;
1299 p_sys->i_packet_seq_num++;
1301 if( i_packet_id == p_sys->i_header_packet_id_type )
1303 if( p_sys->p_header )
1305 p_sys->p_header = realloc( p_sys->p_header,
1306 p_sys->i_header + i_packet_length - 8 );
1307 memcpy( &p_sys->p_header[p_sys->i_header],
1309 i_packet_length - 8 );
1310 p_sys->i_header += i_packet_length - 8;
1316 p_sys->p_header = p_packet;
1317 p_sys->i_header = i_packet_length - 8;
1319 /* msg_Dbg( p_input,
1320 "receive header packet (%d bytes)",
1321 i_packet_length - 8 ); */
1323 return( MMS_PACKET_HEADER );
1327 FREE( p_sys->p_media );
1328 p_sys->p_media = p_packet;
1329 p_sys->i_media = i_packet_length - 8;
1330 p_sys->i_media_used = 0;
1331 /* msg_Dbg( p_input,
1332 "receive media packet (%d bytes)",
1333 i_packet_length - 8 ); */
1335 return( MMS_PACKET_MEDIA );
1339 static int mms_ReceivePacket( input_thread_t *p_input )
1341 access_sys_t *p_sys = p_input->p_access_data;
1342 int i_packet_tcp_type;
1343 int i_packet_udp_type;
1347 if( NetFillBuffer( p_input ) < 0 )
1349 msg_Warn( p_input, "cannot fill buffer" );
1353 i_packet_tcp_type = -1;
1354 i_packet_udp_type = -1;
1356 if( p_sys->i_buffer_tcp > 0 )
1360 if( GetDWLE( p_sys->buffer_tcp + 4 ) == 0xb00bface )
1363 mms_ParseCommand( p_input,
1365 p_sys->i_buffer_tcp,
1372 mms_ParsePacket( p_input,
1374 p_sys->i_buffer_tcp,
1377 if( i_used > 0 && i_used < MMS_BUFFER_SIZE )
1379 memmove( p_sys->buffer_tcp,
1380 p_sys->buffer_tcp + i_used,
1381 MMS_BUFFER_SIZE - i_used );
1383 p_sys->i_buffer_tcp -= i_used;
1385 else if( p_sys->i_buffer_udp > 0 )
1390 mms_ParsePacket( p_input,
1392 p_sys->i_buffer_udp,
1395 if( i_used > 0 && i_used < MMS_BUFFER_SIZE )
1397 memmove( p_sys->buffer_udp,
1398 p_sys->buffer_udp + i_used,
1399 MMS_BUFFER_SIZE - i_used );
1401 p_sys->i_buffer_udp -= i_used;
1404 if( i_packet_tcp_type == MMS_PACKET_CMD &&
1405 p_sys->i_command == 0x1b )
1407 mms_CommandSend( p_input, 0x1b, 0, 0, NULL, 0 );
1408 i_packet_tcp_type = -1;
1411 if( i_packet_tcp_type != -1 )
1413 return( i_packet_tcp_type );
1415 else if( i_packet_udp_type != -1 )
1417 return( i_packet_udp_type );
1423 static int mms_ReceiveCommand( input_thread_t *p_input )
1425 access_sys_t *p_sys = p_input->p_access_data;
1432 if( NetFillBuffer( p_input ) < 0 )
1434 msg_Warn( p_input, "cannot fill buffer" );
1437 if( p_sys->i_buffer_tcp > 0 )
1439 i_status = mms_ParseCommand( p_input,
1441 p_sys->i_buffer_tcp,
1443 if( i_used < MMS_BUFFER_SIZE )
1445 memmove( p_sys->buffer_tcp,
1446 p_sys->buffer_tcp + i_used,
1447 MMS_BUFFER_SIZE - i_used );
1449 p_sys->i_buffer_tcp -= i_used;
1456 if( p_sys->i_command == 0x1b )
1458 mms_CommandSend( p_input, 0x1b, 0, 0, NULL, 0 );
1474 #define MMS_RETRY_MAX 10
1475 #define MMS_RETRY_SLEEP 50000
1477 static int mms_CommandRead( input_thread_t *p_input, int i_command1, int i_command2 )
1479 access_sys_t *p_sys = p_input->p_access_data;
1483 for( i_count = 0; i_count < MMS_RETRY_MAX; )
1486 i_status = mms_ReceiveCommand( p_input );
1487 if( i_status < 0 || p_sys->i_command == 0 )
1490 msleep( MMS_RETRY_SLEEP );
1492 else if( i_command1 == 0 && i_command2 == 0)
1496 else if( p_sys->i_command == i_command1 || p_sys->i_command == i_command2 )
1502 switch( p_sys->i_command )
1505 msg_Warn( p_input, "socket closed by server" );
1509 msg_Warn( p_input, "end of media stream" );
1517 msg_Warn( p_input, "failed to receive command (abording)" );
1523 static int mms_HeaderMediaRead( input_thread_t *p_input, int i_type )
1525 access_sys_t *p_sys = p_input->p_access_data;
1528 for( i_count = 0; i_count < MMS_RETRY_MAX; )
1532 i_status = mms_ReceivePacket( p_input );
1537 "cannot receive header (%d/%d)", i_count, MMS_RETRY_MAX );
1538 msleep( MMS_RETRY_SLEEP );
1540 else if( i_status == i_type || i_type == MMS_PACKET_ANY )
1544 else if( i_status == MMS_PACKET_CMD )
1546 switch( p_sys->i_command )
1549 msg_Warn( p_input, "socket closed by server" );
1553 msg_Warn( p_input, "end of media stream" );
1557 /* XXX not too dificult to be done EXCEPT that we
1558 * need to restart demuxer... and I don't see how we
1559 * could do that :p */
1561 "reinitialization needed --> unsupported" );
1570 "cannot receive %s (abording)",
1571 ( i_type == MMS_PACKET_HEADER ) ? "header" : "media data" );