modules/access/mms/mms.c

   1 /*****************************************************************************
   2  * mms.c: MMS over tcp, udp and http access plug-in
   3  *****************************************************************************
   4  * Copyright (C) 2002-2004 the VideoLAN team
   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
  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.
  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 General Public License for more details.
  18  *
  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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27
  28 #ifdef HAVE_CONFIG_H
  29 # include "config.h"
  30 #endif
  31
  32 #include <vlc_common.h>
  33 #include <vlc_plugin.h>
  34 #include <vlc_access.h>
  35
  36 #include "mms.h"
  37
  38 /****************************************************************************
  39  * NOTES:
  40  *  MMSProtocole documentation found at http://get.to/sdp
  41  ****************************************************************************/
  42
  43 /*****************************************************************************
  44  * Module descriptor
  45  *****************************************************************************/
  46 static int  Open ( vlc_object_t * );
  47 static void Close( vlc_object_t * );
  48
  49 #define ALL_TEXT N_("Force selection of all streams")
  50 #define ALL_LONGTEXT N_( \
  51     "MMS streams can contain several elementary streams, with different " \
  52     "bitrates. You can choose to select all of them." )
  53
  54 #define BITRATE_TEXT N_( "Maximum bitrate" )
  55 #define BITRATE_LONGTEXT N_( \
  56     "Select the stream with the maximum bitrate under that limit."  )
  57
  58 #define PROXY_TEXT N_("HTTP proxy")
  59 #define PROXY_LONGTEXT N_( \
  60     "HTTP proxy to be used It must be of the form " \
  61     "http://[user[:pass]@]myproxy.mydomain:myport/ ; " \
  62     "if empty, the http_proxy environment variable will be tried." )
  63
  64 #define TIMEOUT_TEXT N_("TCP/UDP timeout (ms)")
  65 #define TIMEOUT_LONGTEXT N_("Amount of time (in ms) to wait before aborting network reception of data. Note that there will be 10 retries before completely giving up.")
  66
  67 vlc_module_begin ()
  68     set_shortname( "MMS" )
  69     set_description( N_("Microsoft Media Server (MMS) input") )
  70     set_capability( "access", -1 )
  71     set_category( CAT_INPUT )
  72     set_subcategory( SUBCAT_INPUT_ACCESS )
  73
  74     add_integer( "mms-timeout", 5000, TIMEOUT_TEXT, TIMEOUT_LONGTEXT,
  75                  true )
  76
  77     add_bool( "mms-all", false, ALL_TEXT, ALL_LONGTEXT, true )
  78     add_integer( "mms-maxbitrate", 0, BITRATE_TEXT, BITRATE_LONGTEXT ,
  79                  false )
  80     add_string( "mmsh-proxy", NULL, PROXY_TEXT, PROXY_LONGTEXT,
  81                     false )
  82
  83     add_shortcut( "mms", "mmsu", "mmst", "mmsh", "http" )
  84     set_callbacks( Open, Close )
  85 vlc_module_end ()
  86
  87 /*****************************************************************************
  88  * Local prototypes
  89  *****************************************************************************/
  90 struct access_sys_t
  91 {
  92     int i_proto;
  93 };
  94
  95 /*****************************************************************************
  96  * Open:
  97  *****************************************************************************/
  98 static int Open( vlc_object_t *p_this )
  99 {
 100     access_t *p_access = (access_t*)p_this;
 101
 102     /* use specified method */
 103     if( *p_access->psz_access )
 104     {
 105         if( !strncmp( p_access->psz_access, "mmsu", 4 ) )
 106         {
 107             return  MMSTUOpen ( p_access );
 108         }
 109         else if( !strncmp( p_access->psz_access, "mmst", 4 ) )
 110         {
 111             return  MMSTUOpen ( p_access );
 112         }
 113         else if( !strncmp( p_access->psz_access, "mmsh", 4 ) ||
 114                  !strncmp( p_access->psz_access, "http", 4 ) )
 115         {
 116             return  MMSHOpen ( p_access );
 117         }
 118     }
 119
 120     if( MMSTUOpen ( p_access ) )
 121     {
 122         if( p_access->b_die )
 123             return VLC_EGENERIC;
 124
 125         /* try mmsh if mmstu failed */
 126         return  MMSHOpen ( p_access );
 127     }
 128     return VLC_SUCCESS;
 129 }
 130
 131 /*****************************************************************************
 132  * Close: free unused data structures
 133  *****************************************************************************/
 134 static void Close( vlc_object_t *p_this )
 135 {
 136     access_t     *p_access = (access_t*)p_this;
 137     access_sys_t *p_sys = p_access->p_sys;
 138
 139     if( ( p_sys->i_proto == MMS_PROTO_TCP ) ||
 140         ( p_sys->i_proto == MMS_PROTO_UDP ) )
 141     {
 142          MMSTUClose ( p_access );
 143     }
 144     else if( p_sys->i_proto == MMS_PROTO_HTTP )
 145     {
 146          MMSHClose ( p_access );
 147     }
 148 }