modules/access/mms/mmstu.h

   1 /*****************************************************************************
   2  * mmstu.h: MMS access plug-in
   3  *****************************************************************************
   4  * Copyright (C) 2001, 2002 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 of the License, or
  12  * (at your option) any later version.
  13  *
  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 Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifndef VLC_MMS_MMSTU_H_
  25 #define VLC_MMS_MMSTU_H_
  26
  27 #define MMS_PACKET_ANY          0
  28 #define MMS_PACKET_CMD          1
  29 #define MMS_PACKET_HEADER       2
  30 #define MMS_PACKET_MEDIA        3
  31 #define MMS_PACKET_UDP_TIMING   4
  32
  33 #define MMS_CMD_HEADERSIZE  48
  34
  35 #define MMS_BUFFER_SIZE 100000
  36
  37 struct access_sys_t
  38 {
  39     int         i_proto;        /* MMS_PROTO_TCP, MMS_PROTO_UDP */
  40     int         i_handle_tcp;   /* TCP socket for communication with server */
  41     int         i_handle_udp;   /* Optional UDP socket for data(media/header packet) */
  42                                 /* send by server */
  43     char        sz_bind_addr[NI_MAXNUMERICHOST]; /* used by udp */
  44
  45     vlc_url_t   url;
  46     uint64_t    i_position;
  47     uint64_t    i_size;
  48
  49     asf_header_t    asfh;
  50
  51     unsigned    i_timeout;
  52
  53     /* */
  54     uint8_t     buffer_tcp[MMS_BUFFER_SIZE];
  55     size_t      i_buffer_tcp;
  56
  57     uint8_t     buffer_udp[MMS_BUFFER_SIZE];
  58     size_t      i_buffer_udp;
  59
  60     /* data necessary to send data to server */
  61     guid_t      guid;
  62     int         i_command_level;
  63     int         i_seq_num;
  64     uint32_t    i_header_packet_id_type;
  65     uint32_t    i_media_packet_id_type;
  66
  67     int         i_packet_seq_num;
  68
  69     uint8_t     *p_cmd;     /* latest command read */
  70     size_t      i_cmd;      /* allocated at the begining */
  71
  72     uint8_t     *p_header;  /* allocated by mms_ReadPacket */
  73     size_t      i_header;
  74
  75     uint8_t     *p_media;   /* allocated by mms_ReadPacket */
  76     size_t      i_media;
  77     size_t      i_media_used;
  78
  79     /* extracted information */
  80     int         i_command;
  81
  82     /* from 0x01 answer (not yet set) */
  83     char        *psz_server_version;
  84     char        *psz_tool_version;
  85     char        *psz_update_player_url;
  86     char        *psz_encryption_type;
  87
  88     /* from 0x06 answer */
  89     uint32_t    i_flags_broadcast;
  90     uint32_t    i_media_length;
  91     size_t      i_packet_length;
  92     uint32_t    i_packet_count;
  93     uint32_t    i_max_bit_rate;
  94     size_t      i_header_size;
  95
  96     /* misc */
  97     bool  b_seekable;
  98     bool  b_eof;
  99
 100     vlc_mutex_t  lock_netwrite;
 101     bool         b_keep_alive;
 102     vlc_thread_t keep_alive;
 103 };
 104
 105 #endif