1 /*****************************************************************************
2 * mms.h: MMS access plug-in
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
5 * $Id: mms.h,v 1.5 2002/11/25 15:08:34 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 *****************************************************************************/
24 /* url: [/]host[:port][/path] */
27 char *psz_server_addr;
39 #define FREE( p ) if( p ) free( p )
42 #define MMS_PROTO_AUTO 0
43 #define MMS_PROTO_TCP 1
44 #define MMS_PROTO_UDP 2
46 #define MMS_PACKET_ANY 0
47 #define MMS_PACKET_CMD 1
48 #define MMS_PACKET_HEADER 2
49 #define MMS_PACKET_MEDIA 3
50 #define MMS_PACKET_UDP_TIMING 4
53 #define MMS_STREAM_VIDEO 0x0001
54 #define MMS_STREAM_AUDIO 0x0002
55 #define MMS_STREAM_UNKNOWN 0xffff
58 #define MMS_CMD_HEADERSIZE 48
60 typedef struct mms_stream_s
62 int i_id; /* 1 -> 127 */
63 int i_cat; /* MMS_STREAM_VIDEO, MMS_STREAM_AUDIO */
64 int i_bitrate; /* -1 if unknown */
69 #define MMS_BUFFER_SIZE 100000
70 typedef struct access_s
72 int i_proto; /* MMS_PROTO_TCP, MMS_PROTO_UDP */
73 input_socket_t socket_tcp; /* TCP socket for communication with server */
74 input_socket_t socket_udp; /* Optional UDP socket for data(media/header packet) */
76 char *psz_bind_addr; /* used by udp */
78 url_t url; /* connect to this server */
80 mms_stream_t stream[128]; /* in asf never more than 1->127 streams */
82 off_t i_pos; /* position of next byte to be read */
85 uint8_t buffer_tcp[MMS_BUFFER_SIZE];
88 uint8_t buffer_udp[MMS_BUFFER_SIZE];
91 /* data necessary to send data to server */
95 uint32_t i_header_packet_id_type;
96 uint32_t i_media_packet_id_type;
100 uint8_t *p_cmd; /* latest command read */
101 int i_cmd; /* allocated at the begining */
103 uint8_t *p_header; /* allocated by mms_ReadPacket */
106 uint8_t *p_media; /* allocated by mms_ReadPacket */
110 /* extracted informations */
114 /* from 0x01 answer (not yet set) */
115 char *psz_server_version;
116 char *psz_tool_version;
117 char *psz_update_player_url;
118 char *psz_encryption_type;
120 /* from 0x06 answer */
121 uint32_t i_flags_broadcast;
122 uint32_t i_media_length;
124 uint32_t i_packet_count;
131 static inline uint16_t GetWLE( u8 *p_buff )
133 return( (p_buff[0]) + ( p_buff[1] <<8 ) );
136 static inline uint32_t GetDWLE( u8 *p_buff )
138 return( p_buff[0] + ( p_buff[1] <<8 ) +
139 ( p_buff[2] <<16 ) + ( p_buff[3] <<24 ) );