/***************************************************************************** * mms.h: MMS access plug-in ***************************************************************************** * Copyright (C) 2001, 2002 VideoLAN * $Id: mms.h,v 1.4 2002/11/25 00:22:04 fenrir Exp $ * * Authors: Laurent Aimar <fenrir@via.ecp.fr> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. *****************************************************************************/ /* url: [/]host[:port][/path] */ typedef struct url_s { char *psz_server_addr; int i_server_port; char *psz_bind_addr; int i_bind_port; char *psz_path; /* private */ char *psz_private; } url_t; #define FREE( p ) if( p ) free( p ) #define MMS_PROTO_AUTO 0 #define MMS_PROTO_TCP 1 #define MMS_PROTO_UDP 2 #define MMS_PACKET_ANY 0 #define MMS_PACKET_CMD 1 #define MMS_PACKET_HEADER 2 #define MMS_PACKET_MEDIA 3 #define MMS_PACKET_UDP_TIMING 4 #define MMS_STREAM_VIDEO 0x0001 #define MMS_STREAM_AUDIO 0x0002 #define MMS_STREAM_UNKNOWN 0xffff #define MMS_CMD_HEADERSIZE 48 typedef struct mms_stream_s { int i_id; /* 1 -> 127 */ int i_cat; /* MMS_STREAM_VIDEO, MMS_STREAM_AUDIO */ int i_bitrate; /* -1 if unknown */ int i_selected; } mms_stream_t; #define MMS_BUFFER_SIZE 100000 typedef struct access_s { int i_proto; /* MMS_PROTO_TCP, MMS_PROTO_UDP */ input_socket_t socket_tcp; /* TCP socket for communication with server */ input_socket_t socket_udp; /* Optional UDP socket for data(media/header packet) */ /* send by server */ url_t url; /* connect to this server */ mms_stream_t stream[128]; /* in asf never more than 1->127 streams */ off_t i_pos; /* position of next byte to be read */ /* */ uint8_t buffer_tcp[MMS_BUFFER_SIZE]; int i_buffer_tcp; uint8_t buffer_udp[MMS_BUFFER_SIZE]; int i_buffer_udp; /* data necessary to send data to server */ guid_t guid; int i_command_level; int i_seq_num; uint32_t i_header_packet_id_type; uint32_t i_media_packet_id_type; int i_packet_seq_num; uint8_t *p_cmd; /* latest command read */ int i_cmd; /* allocated at the begining */ uint8_t *p_header; /* allocated by mms_ReadPacket */ int i_header; uint8_t *p_media; /* allocated by mms_ReadPacket */ int i_media; int i_media_used; /* extracted informations */ int i_command; /* from 0x01 answer (not yet set) */ char *psz_server_version; char *psz_tool_version; char *psz_update_player_url; char *psz_encryption_type; /* from 0x06 answer */ uint32_t i_flags_broadcast; uint32_t i_media_length; int i_packet_length; uint32_t i_packet_count; int i_max_bit_rate; int i_header_size; } access_t; static inline uint16_t GetWLE( u8 *p_buff ) { return( (p_buff[0]) + ( p_buff[1] <<8 ) ); } static inline uint32_t GetDWLE( u8 *p_buff ) { return( p_buff[0] + ( p_buff[1] <<8 ) + ( p_buff[2] <<16 ) + ( p_buff[3] <<24 ) ); }