1 /*****************************************************************************
2 * mms.c: MMS access plug-in
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
5 * $Id: mmstu.c,v 1.6 2003/07/31 23:44:49 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 socket_desc.i_ttl = 0;
453 p_input->p_private = (void*)&socket_desc;
454 if( !( p_network = module_Need( p_input, "network", psz_network ) ) )
456 msg_Err( p_input, "failed to open a connection (tcp)" );
459 module_Unneed( p_input, p_network );
460 p_sys->socket_tcp.i_handle = socket_desc.i_handle;
461 p_input->i_mtu = 0; /*socket_desc.i_mtu;*/
463 "connection(tcp) with \"%s:%d\" successful",
467 /* *** Bind port if UDP protocol is selected *** */
470 struct sockaddr_in name;
471 socklen_t i_namelen = sizeof( struct sockaddr_in );
473 if( getsockname( p_sys->socket_tcp.i_handle,
474 (struct sockaddr*)&name, &i_namelen ) < 0 )
477 msg_Err( p_input, "for udp you have to provide bind address (mms://<server_addr>@<bind_addr/<path> (FIXME)" );
478 #if defined( UNDER_CE )
479 CloseHandle( (HANDLE)p_sys->socket_tcp.i_handle );
480 #elif defined( WIN32 )
481 closesocket( p_sys->socket_tcp.i_handle );
483 close( p_sys->socket_tcp.i_handle );
487 p_sys->psz_bind_addr = inet_ntoa( name.sin_addr );
489 socket_desc.i_type = NETWORK_UDP;
490 socket_desc.psz_server_addr = "";
491 socket_desc.i_server_port = 0;
492 socket_desc.psz_bind_addr = p_sys->psz_bind_addr;
493 socket_desc.i_bind_port = 7000; //p_url->i_bind_port; FIXME
494 socket_desc.i_ttl = 0;
495 p_input->p_private = (void*)&socket_desc;
496 if( !( p_network = module_Need( p_input, "network", psz_network ) ) )
498 msg_Err( p_input, "failed to open a connection (udp)" );
499 #if defined( UNDER_CE )
500 CloseHandle( (HANDLE)p_sys->socket_tcp.i_handle );
501 #elif defined( WIN32 )
502 closesocket( p_sys->socket_tcp.i_handle );
504 close( p_sys->socket_tcp.i_handle );
508 module_Unneed( p_input, p_network );
509 p_sys->socket_udp.i_handle = socket_desc.i_handle;
510 p_input->i_mtu = 0;/*socket_desc.i_mtu; FIXME */
513 "connection(udp) at \"%s:%d\" successful",
514 p_sys->psz_bind_addr,
519 p_sys->psz_bind_addr = NULL;
522 /* *** Init context for mms prototcol *** */
523 E_( GenerateGuid )( &p_sys->guid ); /* used to identify client by server */
525 "generated guid: "GUID_FMT,
526 GUID_PRINT( p_sys->guid ) );
527 p_sys->i_command_level = 1; /* updated after 0x1A command */
528 p_sys->i_seq_num = 0;
529 p_sys->i_media_packet_id_type = 0x04;
530 p_sys->i_header_packet_id_type = 0x02;
531 p_sys->i_proto = i_proto;
532 p_sys->i_packet_seq_num = 0;
533 p_sys->p_header = NULL;
535 p_sys->p_media = NULL;
537 p_sys->i_media_used = 0;
540 p_sys->i_buffer_tcp = 0;
541 p_sys->i_buffer_udp = 0;
546 /* *** send command 1 : connection request *** */
547 var_buffer_initwrite( &buffer, 0 );
548 var_buffer_add16( &buffer, 0x001c );
549 var_buffer_add16( &buffer, 0x0003 );
551 "NSPlayer/7.0.0.1956; {"GUID_FMT"}; Host: %s",
552 GUID_PRINT( p_sys->guid ),
554 var_buffer_addUTF16( &buffer, tmp );
556 mms_CommandSend( p_input,
557 0x01, /* connexion request */
558 0x00000000, /* flags, FIXME */
559 0x0004000b, /* ???? */
563 if( mms_CommandRead( p_input, 0x01, 0 ) < 0 )
565 var_buffer_free( &buffer );
570 i_server_version = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 32 );
571 i_tool_version = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 36 );
572 i_update_player_url = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 40 );
573 i_encryption_type = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 44 );
574 p = (uint16_t*)( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 48 );
575 #define GETUTF16( psz, size ) \
578 psz = malloc( size + 1); \
579 for( i = 0; i < size; i++ ) \
586 GETUTF16( p_sys->psz_server_version, i_server_version );
587 GETUTF16( p_sys->psz_tool_version, i_tool_version );
588 GETUTF16( p_sys->psz_update_player_url, i_update_player_url );
589 GETUTF16( p_sys->psz_encryption_type, i_encryption_type );
592 "0x01 --> server_version:\"%s\" tool_version:\"%s\" update_player_url:\"%s\" encryption_type:\"%s\"",
593 p_sys->psz_server_version,
594 p_sys->psz_tool_version,
595 p_sys->psz_update_player_url,
596 p_sys->psz_encryption_type );
598 /* *** should make an 18 command to make data timing *** */
600 /* *** send command 2 : transport protocol selection *** */
601 var_buffer_reinitwrite( &buffer, 0 );
602 var_buffer_add32( &buffer, 0x00000000 );
603 var_buffer_add32( &buffer, 0x000a0000 );
604 var_buffer_add32( &buffer, 0x00000002 );
609 p_sys->psz_bind_addr,
614 sprintf( tmp, "\\\\192.168.0.1\\TCP\\1242" );
616 var_buffer_addUTF16( &buffer, tmp );
617 var_buffer_add16( &buffer, '0' );
619 mms_CommandSend( p_input,
620 0x02, /* connexion request */
621 0x00000000, /* flags, FIXME */
622 0xffffffff, /* ???? */
626 /* *** response from server, should be 0x02 or 0x03 *** */
627 mms_CommandRead( p_input, 0x02, 0x03 );
628 if( p_sys->i_command == 0x03 )
631 "%s protocol selection failed", b_udp ? "UDP" : "TCP" );
632 var_buffer_free( &buffer );
636 else if( p_sys->i_command != 0x02 )
638 msg_Warn( p_input, "received command isn't 0x02 in reponse to 0x02" );
641 /* *** send command 5 : media file name/path requested *** */
642 var_buffer_reinitwrite( &buffer, 0 );
643 var_buffer_add64( &buffer, 0 );
644 var_buffer_addUTF16( &buffer, p_url->psz_path );
646 mms_CommandSend( p_input,
648 p_sys->i_command_level,
653 /* *** wait for reponse *** */
654 mms_CommandRead( p_input, 0x1a, 0x06 );
656 /* test if server send 0x1A answer */
657 if( p_sys->i_command == 0x1A )
659 msg_Err( p_input, "id/password requested (not yet supported)" );
661 var_buffer_free( &buffer );
665 if( p_sys->i_command != 0x06 )
668 "unknown answer (0x%x instead of 0x06)",
670 var_buffer_free( &buffer );
675 /* 1 for file ok, 2 for authen ok */
676 switch( GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE ) )
679 msg_Dbg( p_input, "Media file name/path accepted" );
682 msg_Dbg( p_input, "Authentication accepted" );
686 msg_Err( p_input, "error while asking for file %d",
687 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE ) );
688 var_buffer_free( &buffer );
693 p_sys->i_flags_broadcast =
694 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 12 );
695 p_sys->i_media_length =
696 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 24 );
697 p_sys->i_packet_length =
698 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 44 );
699 p_sys->i_packet_count =
700 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 48 );
701 p_sys->i_max_bit_rate =
702 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 56 );
703 p_sys->i_header_size =
704 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 60 );
707 "answer 0x06 flags:0x%8.8x media_length:%ds packet_length:%d packet_count:%d max_bit_rate:%d header_size:%d",
708 p_sys->i_flags_broadcast,
709 p_sys->i_media_length,
710 p_sys->i_packet_length,
711 p_sys->i_packet_count,
712 p_sys->i_max_bit_rate,
713 p_sys->i_header_size );
715 /* XXX XXX dirty hack XXX XXX */
716 p_input->i_mtu = 3 * p_sys->i_packet_length;
718 /* *** send command 15 *** */
720 var_buffer_reinitwrite( &buffer, 0 );
721 var_buffer_add32( &buffer, 0 );
722 var_buffer_add32( &buffer, 0x8000 );
723 var_buffer_add32( &buffer, 0xffffffff );
724 var_buffer_add32( &buffer, 0x00 );
725 var_buffer_add32( &buffer, 0x00 );
726 var_buffer_add32( &buffer, 0x00 );
727 var_buffer_add64( &buffer, (((uint64_t)0x40ac2000)<<32) );
728 var_buffer_add32( &buffer, p_sys->i_header_packet_id_type );
729 var_buffer_add32( &buffer, 0x00 );
730 mms_CommandSend( p_input, 0x15, p_sys->i_command_level, 0x00,
731 buffer.p_data, buffer.i_data );
733 /* *** wait for reponse *** */
734 /* Commented out because it fails on some stream (no 0x11 answer) */
736 mms_CommandRead( p_input, 0x11, 0 );
738 if( p_sys->i_command != 0x11 )
741 "unknown answer (0x%x instead of 0x11)",
743 var_buffer_free( &buffer );
749 /* *** now read header packet *** */
750 /* XXX could be split over multiples packets */
751 msg_Dbg( p_input, "reading header" );
754 if( mms_HeaderMediaRead( p_input, MMS_PACKET_HEADER ) < 0 )
756 msg_Err( p_input, "cannot receive header" );
757 var_buffer_free( &buffer );
761 if( p_sys->i_header >= p_sys->i_header_size )
764 "header complete(%d)",
769 "header incomplete (%d/%d), reading more",
771 p_sys->i_header_size );
774 /* *** parse header and get stream and their id *** */
775 /* get all streams properties,
777 * TODO : stream bitrates properties(optional)
778 * and bitrate mutual exclusion(optional) */
779 E_( asf_HeaderParse )( &p_sys->asfh,
780 p_sys->p_header, p_sys->i_header );
781 E_( asf_StreamSelect)( &p_sys->asfh,
782 config_GetInt( p_input, "mms-maxbitrate" ),
783 config_GetInt( p_input, "mms-all" ),
784 config_GetInt( p_input, "audio" ),
785 config_GetInt( p_input, "video" ) );
787 /* *** now select stream we want to receive *** */
788 /* TODO take care of stream bitrate TODO */
791 var_buffer_reinitwrite( &buffer, 0 );
792 /* for now, select first audio and video stream */
793 for( i = 1; i < 128; i++ )
796 if( p_sys->asfh.stream[i].i_cat != ASF_STREAM_UNKNOWN )
801 var_buffer_add16( &buffer, 0xffff );
802 var_buffer_add16( &buffer, i );
808 if( p_sys->asfh.stream[i].i_selected )
810 var_buffer_add16( &buffer, 0x0000 );
812 "selecting stream[0x%x] %s (%d kb/s)",
814 ( p_sys->asfh.stream[i].i_cat == ASF_STREAM_AUDIO ) ?
816 p_sys->asfh.stream[i].i_bitrate / 1024);
820 var_buffer_add16( &buffer, 0x0002 );
822 "ignoring stream[0x%x] %s (%d kb/s)",
824 ( p_sys->asfh.stream[i].i_cat == ASF_STREAM_AUDIO ) ?
826 p_sys->asfh.stream[i].i_bitrate / 1024);
834 msg_Err( p_input, "cannot find any stream" );
835 var_buffer_free( &buffer );
839 mms_CommandSend( p_input, 0x33,
841 0xffff | ( i_first << 16 ),
842 buffer.p_data, buffer.i_data );
844 mms_CommandRead( p_input, 0x21, 0 );
845 if( p_sys->i_command != 0x21 )
848 "unknown answer (0x%x instead of 0x21)",
850 var_buffer_free( &buffer );
856 var_buffer_free( &buffer );
858 msg_Info( p_input, "connection sucessful" );
863 /****************************************************************************
864 * MMSStart : Start streaming
865 ****************************************************************************/
866 static int MMSStart ( input_thread_t *p_input, uint32_t i_packet )
868 access_sys_t *p_sys = p_input->p_access_data;
871 /* *** start stream from packet 0 *** */
872 var_buffer_initwrite( &buffer, 0 );
873 var_buffer_add64( &buffer, 0 ); /* seek point in second */
874 var_buffer_add32( &buffer, 0xffffffff );
875 var_buffer_add32( &buffer, i_packet ); // begin from start
876 var_buffer_add8( &buffer, 0xff ); // stream time limit
877 var_buffer_add8( &buffer, 0xff ); // on 3bytes ...
878 var_buffer_add8( &buffer, 0xff ); //
879 var_buffer_add8( &buffer, 0x00 ); // don't use limit
880 var_buffer_add32( &buffer, p_sys->i_media_packet_id_type );
882 mms_CommandSend( p_input, 0x07, p_sys->i_command_level, 0x0001ffff,
883 buffer.p_data, buffer.i_data );
885 var_buffer_free( &buffer );
887 mms_CommandRead( p_input, 0x05, 0 );
889 if( p_sys->i_command != 0x05 )
892 "unknown answer (0x%x instead of 0x05)",
899 mms_HeaderMediaRead( p_input, MMS_PACKET_MEDIA );
900 msg_Dbg( p_input, "Streaming started" );
905 /****************************************************************************
906 * MMSStop : Stop streaming
907 ****************************************************************************/
908 static int MMSStop ( input_thread_t *p_input )
910 access_sys_t *p_sys = p_input->p_access_data;
912 /* *** stop stream but keep connection alive *** */
913 mms_CommandSend( p_input,
915 p_sys->i_command_level,
921 /****************************************************************************
922 * MMSClose : Close streaming and connection
923 ****************************************************************************/
924 static int MMSClose ( input_thread_t *p_input )
926 access_sys_t *p_sys = p_input->p_access_data;
928 msg_Dbg( p_input, "Connection closed" );
930 /* *** tell server that we will disconnect *** */
931 mms_CommandSend( p_input,
933 p_sys->i_command_level,
936 /* *** close sockets *** */
937 #if defined( UNDER_CE )
938 CloseHandle( (HANDLE)p_sys->socket_tcp.i_handle );
939 #elif defined( WIN32 )
940 closesocket( p_sys->socket_tcp.i_handle );
942 close( p_sys->socket_tcp.i_handle );
945 if( p_sys->i_proto == MMS_PROTO_UDP )
947 #if defined( UNDER_CE )
948 CloseHandle( (HANDLE)p_sys->socket_udp.i_handle );
949 #elif defined( WIN32 )
950 closesocket( p_sys->socket_udp.i_handle );
952 close( p_sys->socket_udp.i_handle );
956 FREE( p_sys->p_cmd );
957 FREE( p_sys->p_media );
958 FREE( p_sys->p_header );
960 FREE( p_sys->psz_server_version );
961 FREE( p_sys->psz_tool_version );
962 FREE( p_sys->psz_update_player_url );
963 FREE( p_sys->psz_encryption_type );
968 /****************************************************************************
970 * MMS specific functions
972 ****************************************************************************/
974 static int mms_CommandSend( input_thread_t *p_input,
976 uint32_t i_prefix1, uint32_t i_prefix2,
977 uint8_t *p_data, int i_data )
981 access_sys_t *p_sys = p_input->p_access_data;
984 i_data_by8 = ( i_data + 7 ) / 8;
986 /* first init uffer */
987 var_buffer_initwrite( &buffer, 0 );
989 var_buffer_add32( &buffer, 0x00000001 ); /* start sequence */
990 var_buffer_add32( &buffer, 0xB00BFACE );
991 /* size after protocol type */
992 var_buffer_add32( &buffer, i_data + MMS_CMD_HEADERSIZE - 16 );
993 var_buffer_add32( &buffer, 0x20534d4d ); /* protocol "MMS " */
994 var_buffer_add32( &buffer, i_data_by8 + 4 );
995 var_buffer_add32( &buffer, p_sys->i_seq_num ); p_sys->i_seq_num++;
996 var_buffer_add64( &buffer, 0 );
997 var_buffer_add32( &buffer, i_data_by8 + 2 );
998 var_buffer_add32( &buffer, 0x00030000 | i_command ); /* dir | command */
999 var_buffer_add32( &buffer, i_prefix1 ); /* command specific */
1000 var_buffer_add32( &buffer, i_prefix2 ); /* command specific */
1002 /* specific command data */
1003 if( p_data && i_data > 0 )
1005 var_buffer_addmemory( &buffer, p_data, i_data );
1009 if( send( p_sys->socket_tcp.i_handle,
1014 msg_Err( p_input, "failed to send command" );
1018 var_buffer_free( &buffer );
1022 static int NetFillBuffer( input_thread_t *p_input )
1027 access_sys_t *p_sys = p_input->p_access_data;
1028 struct timeval timeout;
1032 /* FIXME when using udp */
1033 ssize_t i_tcp, i_udp;
1034 ssize_t i_tcp_read, i_udp_read;
1038 /* Initialize file descriptor set */
1041 i_tcp = MMS_BUFFER_SIZE/2 - p_sys->i_buffer_tcp;
1043 if( p_sys->i_proto == MMS_PROTO_UDP )
1045 i_udp = MMS_BUFFER_SIZE/2 - p_sys->i_buffer_udp;
1049 i_udp = 0; /* there isn't udp socket */
1055 FD_SET( p_sys->socket_tcp.i_handle, &fds );
1056 i_handle_max = __MAX( i_handle_max, p_sys->socket_tcp.i_handle );
1060 FD_SET( p_sys->socket_udp.i_handle, &fds );
1061 i_handle_max = __MAX( i_handle_max, p_sys->socket_udp.i_handle );
1064 if( i_handle_max == 0 )
1066 msg_Warn( p_input, "nothing to read %d:%d", i_tcp, i_udp );
1071 // msg_Warn( p_input, "ask for tcp:%d udp:%d", i_tcp, i_udp );
1074 /* We'll wait 0.5 second if nothing happens */
1076 timeout.tv_usec = 500000;
1078 /* Find if some data is available */
1079 while( (i_ret = select( i_handle_max + 1, &fds,
1080 NULL, NULL, &timeout )) == 0
1081 || (i_ret < 0 && errno == EINTR) )
1085 if( i_tcp > 0 ) FD_SET( p_sys->socket_tcp.i_handle, &fds );
1086 if( i_udp > 0 ) FD_SET( p_sys->socket_udp.i_handle, &fds );
1088 timeout.tv_usec = 500000;
1090 if( i_try > 2 && ( p_sys->i_buffer_tcp > 0 || p_sys->i_buffer_udp > 0 ) )
1094 if( p_input->b_die || p_input->b_error )
1098 msg_Dbg( p_input, "NetFillBuffer: trying again (select)" );
1103 msg_Err( p_input, "network select error (%s)", strerror(errno) );
1107 if( i_tcp > 0 && FD_ISSET( p_sys->socket_tcp.i_handle, &fds ) )
1110 recv( p_sys->socket_tcp.i_handle,
1111 p_sys->buffer_tcp + p_sys->i_buffer_tcp,
1112 i_tcp + MMS_BUFFER_SIZE/2, 0 );
1119 if( i_udp > 0 && FD_ISSET( p_sys->socket_udp.i_handle, &fds ) )
1121 i_udp_read = recv( p_sys->socket_udp.i_handle,
1122 p_sys->buffer_udp + p_sys->i_buffer_udp,
1123 i_udp + MMS_BUFFER_SIZE/2, 0 );
1131 if( p_sys->i_proto == MMS_PROTO_UDP )
1134 "filling buffer TCP:%d+%d UDP:%d+%d",
1135 p_sys->i_buffer_tcp,
1137 p_sys->i_buffer_udp,
1143 "filling buffer TCP:%d+%d",
1144 p_sys->i_buffer_tcp,
1148 if( i_tcp_read > 0 )
1150 p_sys->i_buffer_tcp += i_tcp_read;
1152 if( i_udp_read > 0 )
1154 p_sys->i_buffer_udp += i_udp_read;
1157 return( i_tcp_read + i_udp_read);
1161 static int mms_ParseCommand( input_thread_t *p_input,
1166 #define GET32( i_pos ) \
1167 ( p_sys->p_cmd[i_pos] + ( p_sys->p_cmd[i_pos +1] << 8 ) + \
1168 ( p_sys->p_cmd[i_pos + 2] << 16 ) + \
1169 ( p_sys->p_cmd[i_pos + 3] << 24 ) )
1171 access_sys_t *p_sys = p_input->p_access_data;
1177 free( p_sys->p_cmd );
1179 p_sys->i_cmd = i_data;
1180 p_sys->p_cmd = malloc( i_data );
1181 memcpy( p_sys->p_cmd, p_data, i_data );
1183 *pi_used = i_data; /* by default */
1185 if( i_data < MMS_CMD_HEADERSIZE )
1187 msg_Warn( p_input, "truncated command (header incomplete)" );
1188 p_sys->i_command = 0;
1191 i_id = GetDWLE( p_data + 4 );
1192 i_length = GetDWLE( p_data + 8 ) + 16;
1194 if( i_id != 0xb00bface )
1197 "incorrect command header (0x%x)", i_id );
1198 p_sys->i_command = 0;
1202 if( i_length > p_sys->i_cmd )
1205 "truncated command (missing %d bytes)",
1206 i_length - i_data );
1207 p_sys->i_command = 0;
1210 else if( i_length < p_sys->i_cmd )
1212 p_sys->i_cmd = i_length;
1213 *pi_used = i_length;
1217 "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",
1221 /* 12: protocol type "MMS " */
1224 /* 24: unknown (0) */
1225 /* 28: unknown (0) */
1231 p_sys->i_command = GET32( 36 ) & 0xffff;
1233 return( MMS_PACKET_CMD );
1236 static int mms_ParsePacket( input_thread_t *p_input,
1237 uint8_t *p_data, size_t i_data,
1240 access_sys_t *p_sys = p_input->p_access_data;
1241 int i_packet_seq_num;
1242 size_t i_packet_length;
1243 uint32_t i_packet_id;
1248 *pi_used = i_data; /* default */
1251 msg_Warn( p_input, "truncated packet (header incomplete)" );
1255 i_packet_id = p_data[4];
1256 i_packet_seq_num = GetDWLE( p_data );
1257 i_packet_length = GetWLE( p_data + 6 );
1259 //msg_Warn( p_input, "------->i_packet_length=%d, i_data=%d", i_packet_length, i_data );
1261 if( i_packet_length > i_data || i_packet_length <= 8)
1264 "truncated packet (missing %d bytes)",
1265 i_packet_length - i_data );
1269 else if( i_packet_length < i_data )
1271 *pi_used = i_packet_length;
1274 if( i_packet_id == 0xff )
1277 "receive MMS UDP pair timing" );
1278 return( MMS_PACKET_UDP_TIMING );
1281 if( i_packet_id != p_sys->i_header_packet_id_type &&
1282 i_packet_id != p_sys->i_media_packet_id_type )
1284 msg_Warn( p_input, "incorrect Packet Id Type (0x%x)", i_packet_id );
1288 /* we now have a media or a header packet */
1289 p_packet = malloc( i_packet_length - 8 ); // don't bother with preheader
1290 memcpy( p_packet, p_data + 8, i_packet_length - 8 );
1292 if( i_packet_seq_num != p_sys->i_packet_seq_num )
1294 /* FIXME for udp could be just wrong order ? */
1296 "detected packet lost (%d != %d)",
1298 p_sys->i_packet_seq_num );
1299 p_sys->i_packet_seq_num = i_packet_seq_num;
1301 p_sys->i_packet_seq_num++;
1303 if( i_packet_id == p_sys->i_header_packet_id_type )
1305 if( p_sys->p_header )
1307 p_sys->p_header = realloc( p_sys->p_header,
1308 p_sys->i_header + i_packet_length - 8 );
1309 memcpy( &p_sys->p_header[p_sys->i_header],
1311 i_packet_length - 8 );
1312 p_sys->i_header += i_packet_length - 8;
1318 p_sys->p_header = p_packet;
1319 p_sys->i_header = i_packet_length - 8;
1321 /* msg_Dbg( p_input,
1322 "receive header packet (%d bytes)",
1323 i_packet_length - 8 ); */
1325 return( MMS_PACKET_HEADER );
1329 FREE( p_sys->p_media );
1330 p_sys->p_media = p_packet;
1331 p_sys->i_media = i_packet_length - 8;
1332 p_sys->i_media_used = 0;
1333 /* msg_Dbg( p_input,
1334 "receive media packet (%d bytes)",
1335 i_packet_length - 8 ); */
1337 return( MMS_PACKET_MEDIA );
1341 static int mms_ReceivePacket( input_thread_t *p_input )
1343 access_sys_t *p_sys = p_input->p_access_data;
1344 int i_packet_tcp_type;
1345 int i_packet_udp_type;
1349 if( NetFillBuffer( p_input ) < 0 )
1351 msg_Warn( p_input, "cannot fill buffer" );
1355 i_packet_tcp_type = -1;
1356 i_packet_udp_type = -1;
1358 if( p_sys->i_buffer_tcp > 0 )
1362 if( GetDWLE( p_sys->buffer_tcp + 4 ) == 0xb00bface )
1365 mms_ParseCommand( p_input,
1367 p_sys->i_buffer_tcp,
1374 mms_ParsePacket( p_input,
1376 p_sys->i_buffer_tcp,
1379 if( i_used > 0 && i_used < MMS_BUFFER_SIZE )
1381 memmove( p_sys->buffer_tcp,
1382 p_sys->buffer_tcp + i_used,
1383 MMS_BUFFER_SIZE - i_used );
1385 p_sys->i_buffer_tcp -= i_used;
1387 else if( p_sys->i_buffer_udp > 0 )
1392 mms_ParsePacket( p_input,
1394 p_sys->i_buffer_udp,
1397 if( i_used > 0 && i_used < MMS_BUFFER_SIZE )
1399 memmove( p_sys->buffer_udp,
1400 p_sys->buffer_udp + i_used,
1401 MMS_BUFFER_SIZE - i_used );
1403 p_sys->i_buffer_udp -= i_used;
1406 if( i_packet_tcp_type == MMS_PACKET_CMD &&
1407 p_sys->i_command == 0x1b )
1409 mms_CommandSend( p_input, 0x1b, 0, 0, NULL, 0 );
1410 i_packet_tcp_type = -1;
1413 if( i_packet_tcp_type != -1 )
1415 return( i_packet_tcp_type );
1417 else if( i_packet_udp_type != -1 )
1419 return( i_packet_udp_type );
1425 static int mms_ReceiveCommand( input_thread_t *p_input )
1427 access_sys_t *p_sys = p_input->p_access_data;
1434 if( NetFillBuffer( p_input ) < 0 )
1436 msg_Warn( p_input, "cannot fill buffer" );
1439 if( p_sys->i_buffer_tcp > 0 )
1441 i_status = mms_ParseCommand( p_input,
1443 p_sys->i_buffer_tcp,
1445 if( i_used < MMS_BUFFER_SIZE )
1447 memmove( p_sys->buffer_tcp,
1448 p_sys->buffer_tcp + i_used,
1449 MMS_BUFFER_SIZE - i_used );
1451 p_sys->i_buffer_tcp -= i_used;
1458 if( p_sys->i_command == 0x1b )
1460 mms_CommandSend( p_input, 0x1b, 0, 0, NULL, 0 );
1476 #define MMS_RETRY_MAX 10
1477 #define MMS_RETRY_SLEEP 50000
1479 static int mms_CommandRead( input_thread_t *p_input, int i_command1, int i_command2 )
1481 access_sys_t *p_sys = p_input->p_access_data;
1485 for( i_count = 0; i_count < MMS_RETRY_MAX; )
1488 i_status = mms_ReceiveCommand( p_input );
1489 if( i_status < 0 || p_sys->i_command == 0 )
1492 msleep( MMS_RETRY_SLEEP );
1494 else if( i_command1 == 0 && i_command2 == 0)
1498 else if( p_sys->i_command == i_command1 || p_sys->i_command == i_command2 )
1504 switch( p_sys->i_command )
1507 msg_Warn( p_input, "socket closed by server" );
1511 msg_Warn( p_input, "end of media stream" );
1519 msg_Warn( p_input, "failed to receive command (abording)" );
1525 static int mms_HeaderMediaRead( input_thread_t *p_input, int i_type )
1527 access_sys_t *p_sys = p_input->p_access_data;
1530 for( i_count = 0; i_count < MMS_RETRY_MAX; )
1534 i_status = mms_ReceivePacket( p_input );
1539 "cannot receive header (%d/%d)", i_count, MMS_RETRY_MAX );
1540 msleep( MMS_RETRY_SLEEP );
1542 else if( i_status == i_type || i_type == MMS_PACKET_ANY )
1546 else if( i_status == MMS_PACKET_CMD )
1548 switch( p_sys->i_command )
1551 msg_Warn( p_input, "socket closed by server" );
1555 msg_Warn( p_input, "end of media stream" );
1559 /* XXX not too dificult to be done EXCEPT that we
1560 * need to restart demuxer... and I don't see how we
1561 * could do that :p */
1563 "reinitialization needed --> unsupported" );
1572 "cannot receive %s (abording)",
1573 ( i_type == MMS_PACKET_HEADER ) ? "header" : "media data" );