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 *****************************************************************************/
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 *, byte_t *, size_t );
81 static void Seek( input_thread_t *, off_t );
83 static int MMSOpen ( input_thread_t *, url_t *, int );
84 static int MMSStart( input_thread_t *, uint32_t );
85 static int MMSStop ( input_thread_t * );
86 static void MMSClose( input_thread_t * );
89 static int mms_CommandRead( input_thread_t *p_input, int i_command1, int i_command2 );
90 static int mms_CommandSend( input_thread_t *, int, uint32_t, uint32_t, uint8_t *, int );
92 static int mms_HeaderMediaRead( input_thread_t *, int );
94 static int mms_ReceivePacket( input_thread_t * );
98 * XXX DON'T FREE MY MEMORY !!! XXX
103 * Ok, ok, j'le ferai plus...
109 * Vous pourriez signer vos commentaires (même si on voit bien qui peut
110 * écrire ce genre de trucs :p), et écrire en anglais, bordel de
114 int E_(MMSTUOpen)( input_thread_t *p_input )
121 /* *** allocate p_sys_data *** */
122 p_input->p_access_data = p_sys = malloc( sizeof( access_sys_t ) );
123 memset( p_sys, 0, sizeof( access_sys_t ) );
126 /* *** Parse URL and get server addr/port and path *** */
127 p_sys->p_url = E_( url_new )( p_input->psz_name );
129 if( *p_sys->p_url->psz_host == '\0' )
131 E_( url_free )( p_sys->p_url );
132 msg_Err( p_input, "invalid server name" );
135 if( p_sys->p_url->i_port <= 0 )
137 p_sys->p_url->i_port = 1755;
140 /* *** connect to this server *** */
141 /* look at requested protocol (udp/tcp) */
142 i_proto = MMS_PROTO_AUTO;
143 if( *p_input->psz_access )
145 if( !strncmp( p_input->psz_access, "mmsu", 4 ) )
147 i_proto = MMS_PROTO_UDP;
149 else if( !strncmp( p_input->psz_access, "mmst", 4 ) )
151 i_proto = MMS_PROTO_TCP;
156 if( i_proto == MMS_PROTO_AUTO )
157 { /* first try with TCP */
158 if( ( i_status = MMSOpen( p_input, p_sys->p_url, MMS_PROTO_TCP ) ) )
159 { /* then with UDP */
160 i_status = MMSOpen( p_input, p_sys->p_url, MMS_PROTO_UDP );
165 i_status = MMSOpen( p_input, p_sys->p_url, i_proto );
170 msg_Err( p_input, "cannot connect to server" );
171 E_( url_free )( p_sys->p_url );
175 msg_Dbg( p_input, "connected to %s:%d", p_sys->p_url->psz_host, p_sys->p_url->i_port );
177 /* *** set exported functions *** */
178 p_input->pf_read = Read;
179 p_input->pf_seek = Seek;
180 p_input->pf_set_program = input_SetProgram;
181 p_input->pf_set_area = NULL;
183 p_input->p_private = NULL;
185 /* *** finished to set some variable *** */
186 vlc_mutex_lock( &p_input->stream.stream_lock );
187 p_input->stream.b_pace_control = 0;
188 p_input->stream.p_selected_area->i_tell = 0;
192 * broadcast yy=0x02, xx= 0x00
193 * pre-recorded yy=0x01, xx= 0x80 if video, 0x00 no video
195 if( p_sys->i_packet_count <= 0 && p_sys->asfh.i_data_packets_count > 0 )
197 p_sys->i_packet_count = p_sys->asfh.i_data_packets_count;
199 if( p_sys->i_packet_count <= 0 || ( p_sys->i_flags_broadcast >> 24 ) == 0x02 )
201 p_input->stream.b_seekable = 0;
202 p_input->stream.p_selected_area->i_size = 0;
206 p_input->stream.b_seekable = 1;
207 p_input->stream.p_selected_area->i_size =
209 p_sys->i_packet_count * p_sys->i_packet_length;
212 p_input->stream.i_method = INPUT_METHOD_NETWORK;
213 vlc_mutex_unlock( &p_input->stream.stream_lock );
215 /* *** Start stream *** */
216 if( MMSStart( p_input, 0xffffffff ) < 0 )
218 msg_Err( p_input, "cannot start stream" );
220 E_( url_free )( p_sys->p_url );
224 /* Update default_pts to a suitable value for mms access */
225 var_Get( p_input, "mms-caching", &val );
226 p_input->i_pts_delay = val.i_int * 1000;
231 /*****************************************************************************
232 * Close: free unused data structures
233 *****************************************************************************/
234 void E_(MMSTUClose)( input_thread_t *p_input )
236 access_sys_t *p_sys = p_input->p_access_data;
238 /* close connection with server */
242 E_( url_free )( p_sys->p_url );
247 /*****************************************************************************
248 * Seek: try to go at the right place
249 *****************************************************************************/
250 static void Seek( input_thread_t * p_input, off_t i_pos )
252 access_sys_t *p_sys = p_input->p_access_data;
262 vlc_mutex_lock( &p_input->stream.stream_lock );
264 if( i_pos < p_sys->i_header)
267 if( p_sys->i_pos < p_sys->i_header )
269 /* no need to restart stream, it was already one
270 * or no stream was yet read */
271 p_sys->i_pos = i_pos;
276 i_packet = 0xffffffff;
282 i_packet = ( i_pos - p_sys->i_header ) / p_sys->i_packet_length;
283 i_offset = ( i_pos - p_sys->i_header ) % p_sys->i_packet_length;
285 msg_Dbg( p_input, "seeking to "I64Fd " (packet:%d)", i_pos, i_packet );
288 msg_Dbg( p_input, "stream stopped (seek)" );
290 /* *** restart stream *** */
291 var_buffer_initwrite( &buffer, 0 );
292 var_buffer_add64( &buffer, 0 ); /* seek point in second */
293 var_buffer_add32( &buffer, 0xffffffff );
294 var_buffer_add32( &buffer, i_packet ); // begin from start
295 var_buffer_add8( &buffer, 0xff ); // stream time limit
296 var_buffer_add8( &buffer, 0xff ); // on 3bytes ...
297 var_buffer_add8( &buffer, 0xff ); //
298 var_buffer_add8( &buffer, 0x00 ); // don't use limit
299 var_buffer_add32( &buffer, p_sys->i_media_packet_id_type );
301 mms_CommandSend( p_input, 0x07, p_sys->i_command_level, 0x0001ffff,
302 buffer.p_data, buffer.i_data );
304 var_buffer_free( &buffer );
309 mms_HeaderMediaRead( p_input, MMS_PACKET_CMD );
310 if( p_sys->i_command == 0x1e )
312 msg_Dbg( p_input, "received 0x1e (seek)" );
319 mms_HeaderMediaRead( p_input, MMS_PACKET_CMD );
320 if( p_sys->i_command == 0x05 )
322 msg_Dbg( p_input, "received 0x05 (seek)" );
328 mms_HeaderMediaRead( p_input, MMS_PACKET_MEDIA );
329 msg_Dbg( p_input, "Streaming restarted" );
331 p_sys->i_media_used += i_offset;
332 p_sys->i_pos = i_pos;
333 p_input->stream.p_selected_area->i_tell = i_pos;
334 vlc_mutex_unlock( &p_input->stream.stream_lock );
337 /*****************************************************************************
339 *****************************************************************************/
340 static ssize_t Read( input_thread_t *p_input, byte_t *p_buffer, size_t i_len )
342 access_sys_t *p_sys = p_input->p_access_data;
348 /* *** now send data if needed *** */
349 while( i_data < i_len )
351 if( p_sys->i_pos < p_sys->i_header )
353 i_copy = __MIN( i_len, p_sys->i_header - p_sys->i_pos );
354 memcpy( &p_buffer[i_data], &p_sys->p_header[p_sys->i_pos], i_copy );
356 p_sys->i_pos += i_copy;
358 else if( p_sys->i_media_used < p_sys->i_media )
360 i_copy = __MIN( i_len - i_data ,
361 p_sys->i_media - p_sys->i_media_used );
362 memcpy( &p_buffer[i_data], &p_sys->p_media[p_sys->i_media_used], i_copy );
364 p_sys->i_media_used += i_copy;
365 p_sys->i_pos += i_copy;
367 else if( p_sys->p_media != NULL &&
368 p_sys->i_media_used < p_sys->i_packet_length )
370 i_copy = __MIN( i_len - i_data,
371 p_sys->i_packet_length - p_sys->i_media_used);
372 memset( &p_buffer[i_data], 0, i_copy );
375 p_sys->i_media_used += i_copy;
376 p_sys->i_pos += i_copy;
378 else if( p_sys->i_eos ||
379 mms_HeaderMediaRead( p_input, MMS_PACKET_MEDIA ) < 0 )
388 /****************************************************************************
389 * MMSOpen : Open a connection with the server over mmst or mmsu
390 ****************************************************************************/
391 static int MMSOpen( input_thread_t *p_input, url_t *p_url, int i_proto )
393 access_sys_t *p_sys = p_input->p_access_data;
394 int b_udp = ( i_proto == MMS_PROTO_UDP ) ? 1 : 0;
399 int i_server_version;
401 int i_update_player_url;
402 int i_encryption_type;
408 /* *** Open a TCP connection with server *** */
409 msg_Dbg( p_input, "waiting for connection..." );
410 p_sys->socket_tcp.i_handle = net_OpenTCP( p_input, p_url->psz_host, p_url->i_port );
411 if( p_sys->socket_tcp.i_handle < 0 )
413 msg_Err( p_input, "failed to open a connection (tcp)" );
418 "connection(tcp) with \"%s:%d\" successful",
422 /* *** Bind port if UDP protocol is selected *** */
425 struct sockaddr_in name;
426 socklen_t i_namelen = sizeof( struct sockaddr_in );
428 if( getsockname( p_sys->socket_tcp.i_handle,
429 (struct sockaddr*)&name, &i_namelen ) < 0 )
432 msg_Err( p_input, "for udp you have to provide bind address (mms://<server_addr>@<bind_addr/<path> (FIXME)" );
433 net_Close( p_sys->socket_tcp.i_handle );
436 p_sys->psz_bind_addr = inet_ntoa( name.sin_addr );
438 p_sys->socket_udp.i_handle = net_OpenUDP( p_input, p_sys->psz_bind_addr, 7000, "", 0 );
439 if( p_sys->socket_udp.i_handle < 0 )
441 msg_Err( p_input, "failed to open a connection (udp)" );
442 net_Close( p_sys->socket_tcp.i_handle );
446 "connection(udp) at \"%s:%d\" successful",
447 p_sys->psz_bind_addr, 7000 );
451 p_sys->psz_bind_addr = NULL;
454 /* *** Init context for mms prototcol *** */
455 E_( GenerateGuid )( &p_sys->guid ); /* used to identify client by server */
457 "generated guid: "GUID_FMT,
458 GUID_PRINT( p_sys->guid ) );
459 p_sys->i_command_level = 1; /* updated after 0x1A command */
460 p_sys->i_seq_num = 0;
461 p_sys->i_media_packet_id_type = 0x04;
462 p_sys->i_header_packet_id_type = 0x02;
463 p_sys->i_proto = i_proto;
464 p_sys->i_packet_seq_num = 0;
465 p_sys->p_header = NULL;
467 p_sys->p_media = NULL;
469 p_sys->i_media_used = 0;
472 p_sys->i_buffer_tcp = 0;
473 p_sys->i_buffer_udp = 0;
478 /* *** send command 1 : connection request *** */
479 var_buffer_initwrite( &buffer, 0 );
480 var_buffer_add16( &buffer, 0x001c );
481 var_buffer_add16( &buffer, 0x0003 );
483 "NSPlayer/7.0.0.1956; {"GUID_FMT"}; Host: %s",
484 GUID_PRINT( p_sys->guid ),
486 var_buffer_addUTF16( &buffer, tmp );
488 mms_CommandSend( p_input,
489 0x01, /* connexion request */
490 0x00000000, /* flags, FIXME */
491 0x0004000b, /* ???? */
495 if( mms_CommandRead( p_input, 0x01, 0 ) < 0 )
497 var_buffer_free( &buffer );
502 i_server_version = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 32 );
503 i_tool_version = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 36 );
504 i_update_player_url = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 40 );
505 i_encryption_type = GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 44 );
506 p = (uint16_t*)( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 48 );
507 #define GETUTF16( psz, size ) \
510 psz = malloc( size + 1); \
511 for( i = 0; i < size; i++ ) \
518 GETUTF16( p_sys->psz_server_version, i_server_version );
519 GETUTF16( p_sys->psz_tool_version, i_tool_version );
520 GETUTF16( p_sys->psz_update_player_url, i_update_player_url );
521 GETUTF16( p_sys->psz_encryption_type, i_encryption_type );
524 "0x01 --> server_version:\"%s\" tool_version:\"%s\" update_player_url:\"%s\" encryption_type:\"%s\"",
525 p_sys->psz_server_version,
526 p_sys->psz_tool_version,
527 p_sys->psz_update_player_url,
528 p_sys->psz_encryption_type );
530 /* *** should make an 18 command to make data timing *** */
532 /* *** send command 2 : transport protocol selection *** */
533 var_buffer_reinitwrite( &buffer, 0 );
534 var_buffer_add32( &buffer, 0x00000000 );
535 var_buffer_add32( &buffer, 0x000a0000 );
536 var_buffer_add32( &buffer, 0x00000002 );
541 p_sys->psz_bind_addr,
546 sprintf( tmp, "\\\\192.168.0.1\\TCP\\1242" );
548 var_buffer_addUTF16( &buffer, tmp );
549 var_buffer_add16( &buffer, '0' );
551 mms_CommandSend( p_input,
552 0x02, /* connexion request */
553 0x00000000, /* flags, FIXME */
554 0xffffffff, /* ???? */
558 /* *** response from server, should be 0x02 or 0x03 *** */
559 mms_CommandRead( p_input, 0x02, 0x03 );
560 if( p_sys->i_command == 0x03 )
563 "%s protocol selection failed", b_udp ? "UDP" : "TCP" );
564 var_buffer_free( &buffer );
568 else if( p_sys->i_command != 0x02 )
570 msg_Warn( p_input, "received command isn't 0x02 in reponse to 0x02" );
573 /* *** send command 5 : media file name/path requested *** */
574 var_buffer_reinitwrite( &buffer, 0 );
575 var_buffer_add64( &buffer, 0 );
576 var_buffer_addUTF16( &buffer, p_url->psz_path );
578 mms_CommandSend( p_input,
580 p_sys->i_command_level,
585 /* *** wait for reponse *** */
586 mms_CommandRead( p_input, 0x1a, 0x06 );
588 /* test if server send 0x1A answer */
589 if( p_sys->i_command == 0x1A )
591 msg_Err( p_input, "id/password requested (not yet supported)" );
593 var_buffer_free( &buffer );
597 if( p_sys->i_command != 0x06 )
600 "unknown answer (0x%x instead of 0x06)",
602 var_buffer_free( &buffer );
607 /* 1 for file ok, 2 for authen ok */
608 switch( GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE ) )
611 msg_Dbg( p_input, "Media file name/path accepted" );
614 msg_Dbg( p_input, "Authentication accepted" );
618 msg_Err( p_input, "error while asking for file %d",
619 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE ) );
620 var_buffer_free( &buffer );
625 p_sys->i_flags_broadcast =
626 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 12 );
627 p_sys->i_media_length =
628 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 24 );
629 p_sys->i_packet_length =
630 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 44 );
631 p_sys->i_packet_count =
632 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 48 );
633 p_sys->i_max_bit_rate =
634 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 56 );
635 p_sys->i_header_size =
636 GetDWLE( p_sys->p_cmd + MMS_CMD_HEADERSIZE + 60 );
639 "answer 0x06 flags:0x%8.8x media_length:%ds packet_length:%d packet_count:%d max_bit_rate:%d header_size:%d",
640 p_sys->i_flags_broadcast,
641 p_sys->i_media_length,
642 p_sys->i_packet_length,
643 p_sys->i_packet_count,
644 p_sys->i_max_bit_rate,
645 p_sys->i_header_size );
647 /* XXX XXX dirty hack XXX XXX */
648 p_input->i_mtu = 3 * p_sys->i_packet_length;
650 /* *** send command 15 *** */
652 var_buffer_reinitwrite( &buffer, 0 );
653 var_buffer_add32( &buffer, 0 );
654 var_buffer_add32( &buffer, 0x8000 );
655 var_buffer_add32( &buffer, 0xffffffff );
656 var_buffer_add32( &buffer, 0x00 );
657 var_buffer_add32( &buffer, 0x00 );
658 var_buffer_add32( &buffer, 0x00 );
659 var_buffer_add64( &buffer, (((uint64_t)0x40ac2000)<<32) );
660 var_buffer_add32( &buffer, p_sys->i_header_packet_id_type );
661 var_buffer_add32( &buffer, 0x00 );
662 mms_CommandSend( p_input, 0x15, p_sys->i_command_level, 0x00,
663 buffer.p_data, buffer.i_data );
665 /* *** wait for reponse *** */
666 /* Commented out because it fails on some stream (no 0x11 answer) */
668 mms_CommandRead( p_input, 0x11, 0 );
670 if( p_sys->i_command != 0x11 )
673 "unknown answer (0x%x instead of 0x11)",
675 var_buffer_free( &buffer );
681 /* *** now read header packet *** */
682 /* XXX could be split over multiples packets */
683 msg_Dbg( p_input, "reading header" );
686 if( mms_HeaderMediaRead( p_input, MMS_PACKET_HEADER ) < 0 )
688 msg_Err( p_input, "cannot receive header" );
689 var_buffer_free( &buffer );
693 if( p_sys->i_header >= p_sys->i_header_size )
696 "header complete(%d)",
701 "header incomplete (%d/%d), reading more",
703 p_sys->i_header_size );
706 /* *** parse header and get stream and their id *** */
707 /* get all streams properties,
709 * TODO : stream bitrates properties(optional)
710 * and bitrate mutual exclusion(optional) */
711 E_( asf_HeaderParse )( &p_sys->asfh,
712 p_sys->p_header, p_sys->i_header );
713 E_( asf_StreamSelect)( &p_sys->asfh,
714 config_GetInt( p_input, "mms-maxbitrate" ),
715 config_GetInt( p_input, "mms-all" ),
716 config_GetInt( p_input, "audio" ),
717 config_GetInt( p_input, "video" ) );
719 /* *** now select stream we want to receive *** */
720 /* TODO take care of stream bitrate TODO */
723 var_buffer_reinitwrite( &buffer, 0 );
724 /* for now, select first audio and video stream */
725 for( i = 1; i < 128; i++ )
728 if( p_sys->asfh.stream[i].i_cat != ASF_STREAM_UNKNOWN )
733 var_buffer_add16( &buffer, 0xffff );
734 var_buffer_add16( &buffer, i );
740 if( p_sys->asfh.stream[i].i_selected )
742 var_buffer_add16( &buffer, 0x0000 );
744 "selecting stream[0x%x] %s (%d kb/s)",
746 ( p_sys->asfh.stream[i].i_cat == ASF_STREAM_AUDIO ) ?
748 p_sys->asfh.stream[i].i_bitrate / 1024);
752 var_buffer_add16( &buffer, 0x0002 );
754 "ignoring stream[0x%x] %s (%d kb/s)",
756 ( p_sys->asfh.stream[i].i_cat == ASF_STREAM_AUDIO ) ?
758 p_sys->asfh.stream[i].i_bitrate / 1024);
766 msg_Err( p_input, "cannot find any stream" );
767 var_buffer_free( &buffer );
771 mms_CommandSend( p_input, 0x33,
773 0xffff | ( i_first << 16 ),
774 buffer.p_data, buffer.i_data );
776 mms_CommandRead( p_input, 0x21, 0 );
777 if( p_sys->i_command != 0x21 )
780 "unknown answer (0x%x instead of 0x21)",
782 var_buffer_free( &buffer );
788 var_buffer_free( &buffer );
790 msg_Info( p_input, "connection sucessful" );
795 /****************************************************************************
796 * MMSStart : Start streaming
797 ****************************************************************************/
798 static int MMSStart( input_thread_t *p_input, uint32_t i_packet )
800 access_sys_t *p_sys = p_input->p_access_data;
803 /* *** start stream from packet 0 *** */
804 var_buffer_initwrite( &buffer, 0 );
805 var_buffer_add64( &buffer, 0 ); /* seek point in second */
806 var_buffer_add32( &buffer, 0xffffffff );
807 var_buffer_add32( &buffer, i_packet ); // begin from start
808 var_buffer_add8( &buffer, 0xff ); // stream time limit
809 var_buffer_add8( &buffer, 0xff ); // on 3bytes ...
810 var_buffer_add8( &buffer, 0xff ); //
811 var_buffer_add8( &buffer, 0x00 ); // don't use limit
812 var_buffer_add32( &buffer, p_sys->i_media_packet_id_type );
814 mms_CommandSend( p_input, 0x07, p_sys->i_command_level, 0x0001ffff,
815 buffer.p_data, buffer.i_data );
817 var_buffer_free( &buffer );
819 mms_CommandRead( p_input, 0x05, 0 );
821 if( p_sys->i_command != 0x05 )
824 "unknown answer (0x%x instead of 0x05)",
831 mms_HeaderMediaRead( p_input, MMS_PACKET_MEDIA );
832 msg_Dbg( p_input, "Streaming started" );
837 /****************************************************************************
838 * MMSStop : Stop streaming
839 ****************************************************************************/
840 static int MMSStop( input_thread_t *p_input )
842 access_sys_t *p_sys = p_input->p_access_data;
844 /* *** stop stream but keep connection alive *** */
845 mms_CommandSend( p_input,
847 p_sys->i_command_level,
853 /****************************************************************************
854 * MMSClose : Close streaming and connection
855 ****************************************************************************/
856 static void MMSClose( input_thread_t *p_input )
858 access_sys_t *p_sys = p_input->p_access_data;
860 msg_Dbg( p_input, "Connection closed" );
862 /* *** tell server that we will disconnect *** */
863 mms_CommandSend( p_input,
865 p_sys->i_command_level,
869 /* *** close sockets *** */
870 net_Close( p_sys->socket_tcp.i_handle );
871 if( p_sys->i_proto == MMS_PROTO_UDP )
873 net_Close( p_sys->socket_udp.i_handle );
876 FREE( p_sys->p_cmd );
877 FREE( p_sys->p_media );
878 FREE( p_sys->p_header );
880 FREE( p_sys->psz_server_version );
881 FREE( p_sys->psz_tool_version );
882 FREE( p_sys->psz_update_player_url );
883 FREE( p_sys->psz_encryption_type );
886 /****************************************************************************
888 * MMS specific functions
890 ****************************************************************************/
891 static int mms_CommandSend( input_thread_t *p_input,
893 uint32_t i_prefix1, uint32_t i_prefix2,
894 uint8_t *p_data, int i_data )
898 access_sys_t *p_sys = p_input->p_access_data;
901 i_data_by8 = ( i_data + 7 ) / 8;
903 /* first init uffer */
904 var_buffer_initwrite( &buffer, 0 );
906 var_buffer_add32( &buffer, 0x00000001 ); /* start sequence */
907 var_buffer_add32( &buffer, 0xB00BFACE );
908 /* size after protocol type */
909 var_buffer_add32( &buffer, i_data + MMS_CMD_HEADERSIZE - 16 );
910 var_buffer_add32( &buffer, 0x20534d4d ); /* protocol "MMS " */
911 var_buffer_add32( &buffer, i_data_by8 + 4 );
912 var_buffer_add32( &buffer, p_sys->i_seq_num ); p_sys->i_seq_num++;
913 var_buffer_add64( &buffer, 0 );
914 var_buffer_add32( &buffer, i_data_by8 + 2 );
915 var_buffer_add32( &buffer, 0x00030000 | i_command ); /* dir | command */
916 var_buffer_add32( &buffer, i_prefix1 ); /* command specific */
917 var_buffer_add32( &buffer, i_prefix2 ); /* command specific */
919 /* specific command data */
920 if( p_data && i_data > 0 )
922 var_buffer_addmemory( &buffer, p_data, i_data );
926 if( send( p_sys->socket_tcp.i_handle,
931 msg_Err( p_input, "failed to send command" );
935 var_buffer_free( &buffer );
939 static int NetFillBuffer( input_thread_t *p_input )
944 access_sys_t *p_sys = p_input->p_access_data;
945 struct timeval timeout;
949 /* FIXME when using udp */
950 ssize_t i_tcp, i_udp;
951 ssize_t i_tcp_read, i_udp_read;
955 /* Initialize file descriptor set */
958 i_tcp = MMS_BUFFER_SIZE/2 - p_sys->i_buffer_tcp;
960 if( p_sys->i_proto == MMS_PROTO_UDP )
962 i_udp = MMS_BUFFER_SIZE/2 - p_sys->i_buffer_udp;
966 i_udp = 0; /* there isn't udp socket */
972 FD_SET( p_sys->socket_tcp.i_handle, &fds );
973 i_handle_max = __MAX( i_handle_max, p_sys->socket_tcp.i_handle );
977 FD_SET( p_sys->socket_udp.i_handle, &fds );
978 i_handle_max = __MAX( i_handle_max, p_sys->socket_udp.i_handle );
981 if( i_handle_max == 0 )
983 msg_Warn( p_input, "nothing to read %d:%d", i_tcp, i_udp );
988 // msg_Warn( p_input, "ask for tcp:%d udp:%d", i_tcp, i_udp );
991 /* We'll wait 0.5 second if nothing happens */
993 timeout.tv_usec = 500000;
995 /* Find if some data is available */
996 while( (i_ret = select( i_handle_max + 1, &fds,
997 NULL, NULL, &timeout )) == 0
998 || (i_ret < 0 && errno == EINTR) )
1002 if( i_tcp > 0 ) FD_SET( p_sys->socket_tcp.i_handle, &fds );
1003 if( i_udp > 0 ) FD_SET( p_sys->socket_udp.i_handle, &fds );
1005 timeout.tv_usec = 500000;
1007 if( i_try > 2 && ( p_sys->i_buffer_tcp > 0 || p_sys->i_buffer_udp > 0 ) )
1011 if( p_input->b_die || p_input->b_error )
1015 msg_Dbg( p_input, "NetFillBuffer: trying again (select)" );
1020 msg_Err( p_input, "network select error (%s)", strerror(errno) );
1024 if( i_tcp > 0 && FD_ISSET( p_sys->socket_tcp.i_handle, &fds ) )
1027 recv( p_sys->socket_tcp.i_handle,
1028 p_sys->buffer_tcp + p_sys->i_buffer_tcp,
1029 i_tcp + MMS_BUFFER_SIZE/2, 0 );
1036 if( i_udp > 0 && FD_ISSET( p_sys->socket_udp.i_handle, &fds ) )
1038 i_udp_read = recv( p_sys->socket_udp.i_handle,
1039 p_sys->buffer_udp + p_sys->i_buffer_udp,
1040 i_udp + MMS_BUFFER_SIZE/2, 0 );
1048 if( p_sys->i_proto == MMS_PROTO_UDP )
1051 "filling buffer TCP:%d+%d UDP:%d+%d",
1052 p_sys->i_buffer_tcp,
1054 p_sys->i_buffer_udp,
1060 "filling buffer TCP:%d+%d",
1061 p_sys->i_buffer_tcp,
1065 if( i_tcp_read > 0 )
1067 p_sys->i_buffer_tcp += i_tcp_read;
1069 if( i_udp_read > 0 )
1071 p_sys->i_buffer_udp += i_udp_read;
1074 return( i_tcp_read + i_udp_read);
1078 static int mms_ParseCommand( input_thread_t *p_input,
1083 #define GET32( i_pos ) \
1084 ( p_sys->p_cmd[i_pos] + ( p_sys->p_cmd[i_pos +1] << 8 ) + \
1085 ( p_sys->p_cmd[i_pos + 2] << 16 ) + \
1086 ( p_sys->p_cmd[i_pos + 3] << 24 ) )
1088 access_sys_t *p_sys = p_input->p_access_data;
1094 free( p_sys->p_cmd );
1096 p_sys->i_cmd = i_data;
1097 p_sys->p_cmd = malloc( i_data );
1098 memcpy( p_sys->p_cmd, p_data, i_data );
1100 *pi_used = i_data; /* by default */
1102 if( i_data < MMS_CMD_HEADERSIZE )
1104 msg_Warn( p_input, "truncated command (header incomplete)" );
1105 p_sys->i_command = 0;
1108 i_id = GetDWLE( p_data + 4 );
1109 i_length = GetDWLE( p_data + 8 ) + 16;
1111 if( i_id != 0xb00bface )
1114 "incorrect command header (0x%x)", i_id );
1115 p_sys->i_command = 0;
1119 if( i_length > p_sys->i_cmd )
1122 "truncated command (missing %d bytes)",
1123 i_length - i_data );
1124 p_sys->i_command = 0;
1127 else if( i_length < p_sys->i_cmd )
1129 p_sys->i_cmd = i_length;
1130 *pi_used = i_length;
1134 "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",
1138 /* 12: protocol type "MMS " */
1141 /* 24: unknown (0) */
1142 /* 28: unknown (0) */
1148 p_sys->i_command = GET32( 36 ) & 0xffff;
1151 return MMS_PACKET_CMD;
1154 static int mms_ParsePacket( input_thread_t *p_input,
1155 uint8_t *p_data, size_t i_data,
1158 access_sys_t *p_sys = p_input->p_access_data;
1159 int i_packet_seq_num;
1160 size_t i_packet_length;
1161 uint32_t i_packet_id;
1166 *pi_used = i_data; /* default */
1169 msg_Warn( p_input, "truncated packet (header incomplete)" );
1173 i_packet_id = p_data[4];
1174 i_packet_seq_num = GetDWLE( p_data );
1175 i_packet_length = GetWLE( p_data + 6 );
1177 //msg_Warn( p_input, "------->i_packet_length=%d, i_data=%d", i_packet_length, i_data );
1179 if( i_packet_length > i_data || i_packet_length <= 8)
1182 "truncated packet (missing %d bytes)",
1183 i_packet_length - i_data );
1187 else if( i_packet_length < i_data )
1189 *pi_used = i_packet_length;
1192 if( i_packet_id == 0xff )
1195 "receive MMS UDP pair timing" );
1196 return( MMS_PACKET_UDP_TIMING );
1199 if( i_packet_id != p_sys->i_header_packet_id_type &&
1200 i_packet_id != p_sys->i_media_packet_id_type )
1202 msg_Warn( p_input, "incorrect Packet Id Type (0x%x)", i_packet_id );
1206 /* we now have a media or a header packet */
1207 p_packet = malloc( i_packet_length - 8 ); // don't bother with preheader
1208 memcpy( p_packet, p_data + 8, i_packet_length - 8 );
1210 if( i_packet_seq_num != p_sys->i_packet_seq_num )
1212 /* FIXME for udp could be just wrong order ? */
1214 "detected packet lost (%d != %d)",
1216 p_sys->i_packet_seq_num );
1217 p_sys->i_packet_seq_num = i_packet_seq_num;
1219 p_sys->i_packet_seq_num++;
1221 if( i_packet_id == p_sys->i_header_packet_id_type )
1223 if( p_sys->p_header )
1225 p_sys->p_header = realloc( p_sys->p_header,
1226 p_sys->i_header + i_packet_length - 8 );
1227 memcpy( &p_sys->p_header[p_sys->i_header],
1229 i_packet_length - 8 );
1230 p_sys->i_header += i_packet_length - 8;
1236 p_sys->p_header = p_packet;
1237 p_sys->i_header = i_packet_length - 8;
1239 /* msg_Dbg( p_input,
1240 "receive header packet (%d bytes)",
1241 i_packet_length - 8 ); */
1243 return MMS_PACKET_HEADER;
1247 FREE( p_sys->p_media );
1248 p_sys->p_media = p_packet;
1249 p_sys->i_media = i_packet_length - 8;
1250 p_sys->i_media_used = 0;
1251 /* msg_Dbg( p_input,
1252 "receive media packet (%d bytes)",
1253 i_packet_length - 8 ); */
1255 return MMS_PACKET_MEDIA;
1259 static int mms_ReceivePacket( input_thread_t *p_input )
1261 access_sys_t *p_sys = p_input->p_access_data;
1262 int i_packet_tcp_type;
1263 int i_packet_udp_type;
1267 vlc_bool_t b_refill = VLC_TRUE;
1269 /* first if we need to refill buffer */
1270 if( p_sys->i_buffer_tcp >= MMS_CMD_HEADERSIZE )
1272 if( GetDWLE( p_sys->buffer_tcp + 4 ) == 0xb00bface )
1274 if( GetDWLE( p_sys->buffer_tcp + 8 ) + 16 <= p_sys->i_buffer_tcp )
1276 b_refill = VLC_FALSE;
1279 else if( GetWLE( p_sys->buffer_tcp + 6 ) <= p_sys->i_buffer_tcp )
1281 b_refill = VLC_FALSE;
1284 if( p_sys->i_proto == MMS_PROTO_UDP && p_sys->i_buffer_udp >= 8 &&
1285 GetWLE( p_sys->buffer_udp + 6 ) <= p_sys->i_buffer_udp )
1287 b_refill = VLC_FALSE;
1290 if( b_refill && NetFillBuffer( p_input ) < 0 )
1292 msg_Warn( p_input, "cannot fill buffer" );
1296 i_packet_tcp_type = -1;
1297 i_packet_udp_type = -1;
1299 if( p_sys->i_buffer_tcp > 0 )
1303 if( GetDWLE( p_sys->buffer_tcp + 4 ) == 0xb00bface )
1306 mms_ParseCommand( p_input,
1308 p_sys->i_buffer_tcp,
1315 mms_ParsePacket( p_input,
1317 p_sys->i_buffer_tcp,
1320 if( i_used > 0 && i_used < MMS_BUFFER_SIZE )
1322 memmove( p_sys->buffer_tcp,
1323 p_sys->buffer_tcp + i_used,
1324 MMS_BUFFER_SIZE - i_used );
1326 p_sys->i_buffer_tcp -= i_used;
1328 else if( p_sys->i_buffer_udp > 0 )
1333 mms_ParsePacket( p_input,
1335 p_sys->i_buffer_udp,
1338 if( i_used > 0 && i_used < MMS_BUFFER_SIZE )
1340 memmove( p_sys->buffer_udp,
1341 p_sys->buffer_udp + i_used,
1342 MMS_BUFFER_SIZE - i_used );
1344 p_sys->i_buffer_udp -= i_used;
1347 if( i_packet_tcp_type == MMS_PACKET_CMD &&
1348 p_sys->i_command == 0x1b )
1350 mms_CommandSend( p_input, 0x1b, 0, 0, NULL, 0 );
1351 i_packet_tcp_type = -1;
1354 if( i_packet_tcp_type != -1 )
1356 return( i_packet_tcp_type );
1358 else if( i_packet_udp_type != -1 )
1360 return( i_packet_udp_type );
1365 static int mms_ReceiveCommand( input_thread_t *p_input )
1367 access_sys_t *p_sys = p_input->p_access_data;
1374 if( NetFillBuffer( p_input ) < 0 )
1376 msg_Warn( p_input, "cannot fill buffer" );
1379 if( p_sys->i_buffer_tcp > 0 )
1381 i_status = mms_ParseCommand( p_input,
1383 p_sys->i_buffer_tcp,
1385 if( i_used < MMS_BUFFER_SIZE )
1387 memmove( p_sys->buffer_tcp,
1388 p_sys->buffer_tcp + i_used,
1389 MMS_BUFFER_SIZE - i_used );
1391 p_sys->i_buffer_tcp -= i_used;
1395 return VLC_EGENERIC;
1398 if( p_sys->i_command == 0x1b )
1400 mms_CommandSend( p_input, 0x1b, 0, 0, NULL, 0 );
1409 return VLC_EGENERIC;
1416 #define MMS_RETRY_MAX 10
1417 #define MMS_RETRY_SLEEP 50000
1419 static int mms_CommandRead( input_thread_t *p_input, int i_command1, int i_command2 )
1421 access_sys_t *p_sys = p_input->p_access_data;
1425 for( i_count = 0; i_count < MMS_RETRY_MAX; )
1427 i_status = mms_ReceiveCommand( p_input );
1428 if( i_status < 0 || p_sys->i_command == 0 )
1431 msleep( MMS_RETRY_SLEEP );
1433 else if( i_command1 == 0 && i_command2 == 0)
1437 else if( p_sys->i_command == i_command1 || p_sys->i_command == i_command2 )
1443 switch( p_sys->i_command )
1446 msg_Warn( p_input, "socket closed by server" );
1448 return VLC_EGENERIC;
1450 msg_Warn( p_input, "end of media stream" );
1452 return VLC_EGENERIC;
1458 msg_Warn( p_input, "failed to receive command (abording)" );
1460 return VLC_EGENERIC;
1464 static int mms_HeaderMediaRead( input_thread_t *p_input, int i_type )
1466 access_sys_t *p_sys = p_input->p_access_data;
1469 for( i_count = 0; i_count < MMS_RETRY_MAX; )
1473 i_status = mms_ReceivePacket( p_input );
1478 "cannot receive header (%d/%d)", i_count, MMS_RETRY_MAX );
1479 msleep( MMS_RETRY_SLEEP );
1481 else if( i_status == i_type || i_type == MMS_PACKET_ANY )
1485 else if( i_status == MMS_PACKET_CMD )
1487 switch( p_sys->i_command )
1490 msg_Warn( p_input, "socket closed by server" );
1494 msg_Warn( p_input, "end of media stream" );
1498 /* XXX not too dificult to be done EXCEPT that we
1499 * need to restart demuxer... and I don't see how we
1500 * could do that :p */
1502 "reinitialization needed --> unsupported" );
1511 "cannot receive %s (abording)",
1512 ( i_type == MMS_PACKET_HEADER ) ? "header" : "media data" );