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 CACHING_TEXT N_("Caching value in ms")
  50 #define CACHING_LONGTEXT N_( \
  51     "Caching value for MMS streams. This " \
  52     "value should be set in milliseconds." )
  53
  54 #define ALL_TEXT N_("Force selection of all streams")
  55 #define ALL_LONGTEXT N_( \
  56     "MMS streams can contain several elementary streams, with different " \
  57     "bitrates. You can choose to select all of them." )
  58
  59 #define BITRATE_TEXT N_( "Maximum bitrate" )
  60 #define BITRATE_LONGTEXT N_( \
  61     "Select the stream with the maximum bitrate under that limit."  )
  62
  63 #define PROXY_TEXT N_("HTTP proxy")
  64 #define PROXY_LONGTEXT N_( \
  65     "HTTP proxy to be used It must be of the form " \
  66     "http://[user[:pass]@]myproxy.mydomain:myport/ ; " \
  67     "if empty, the http_proxy environment variable will be tried." )
  68
  69 #define TIMEOUT_TEXT N_("TCP/UDP timeout (ms)")
  70 #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.")
  71
  72 vlc_module_begin ()
  73     set_shortname( "MMS" )
  74     set_description( N_("Microsoft Media Server (MMS) input") )
  75     set_capability( "access", -1 )
  76     set_category( CAT_INPUT )
  77     set_subcategory( SUBCAT_INPUT_ACCESS )
  78
  79     add_integer( "mms-caching", 19 * DEFAULT_PTS_DELAY / 1000,
  80                  CACHING_TEXT, CACHING_LONGTEXT, true )
  81
  82     add_integer( "mms-timeout", 5000, TIMEOUT_TEXT, TIMEOUT_LONGTEXT,
  83                  true )
  84
  85     add_bool( "mms-all", false, NULL, ALL_TEXT, ALL_LONGTEXT, true )
  86     add_integer( "mms-maxbitrate", 0, BITRATE_TEXT, BITRATE_LONGTEXT ,
  87                  false )
  88     add_string( "mmsh-proxy", NULL, PROXY_TEXT, PROXY_LONGTEXT,
  89                     false )
  90
  91     add_shortcut( "mms", "mmsu", "mmst", "mmsh", "http" )
  92     set_callbacks( Open, Close )
  93 vlc_module_end ()
  94
  95 /*****************************************************************************
  96  * Local prototypes
  97  *****************************************************************************/
  98 struct access_sys_t
  99 {
 100     int i_proto;
 101 };
 102
 103 /*****************************************************************************
 104  * Open:
 105  *****************************************************************************/
 106 static int Open( vlc_object_t *p_this )
 107 {
 108     access_t *p_access = (access_t*)p_this;
 109
 110     /* First set ipv4/ipv6 */
 111     var_Create( p_access, "ipv4", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 112     var_Create( p_access, "ipv6", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 113
 114     /* mms-caching */
 115     var_Create( p_access, "mms-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
 116
 117     /* use specified method */
 118     if( *p_access->psz_access )
 119     {
 120         if( !strncmp( p_access->psz_access, "mmsu", 4 ) )
 121         {
 122             return  MMSTUOpen ( p_access );
 123         }
 124         else if( !strncmp( p_access->psz_access, "mmst", 4 ) )
 125         {
 126             return  MMSTUOpen ( p_access );
 127         }
 128         else if( !strncmp( p_access->psz_access, "mmsh", 4 ) ||
 129                  !strncmp( p_access->psz_access, "http", 4 ) )
 130         {
 131             return  MMSHOpen ( p_access );
 132         }
 133     }
 134
 135     if( MMSTUOpen ( p_access ) )
 136     {
 137         if( p_access->b_die )
 138             return VLC_EGENERIC;
 139
 140         /* try mmsh if mmstu failed */
 141         return  MMSHOpen ( p_access );
 142     }
 143     return VLC_SUCCESS;
 144 }
 145
 146 /*****************************************************************************
 147  * Close: free unused data structures
 148  *****************************************************************************/
 149 static void Close( vlc_object_t *p_this )
 150 {
 151     access_t     *p_access = (access_t*)p_this;
 152     access_sys_t *p_sys = p_access->p_sys;
 153
 154     if( ( p_sys->i_proto == MMS_PROTO_TCP ) ||
 155         ( p_sys->i_proto == MMS_PROTO_UDP ) )
 156     {
 157          MMSTUClose ( p_access );
 158     }
 159     else if( p_sys->i_proto == MMS_PROTO_HTTP )
 160     {
 161          MMSHClose ( p_access );
 162     }
 163 }