modules/access/mms/mms.c

   1 /*****************************************************************************
   2  * mms.c: MMS over tcp, udp and http access plug-in
   3  *****************************************************************************
   4  * Copyright (C) 2002-2004 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 /*****************************************************************************
  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 TIMEOUT_TEXT N_("TCP/UDP timeout (ms)")
  59 #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.")
  60
  61 vlc_module_begin ()
  62     set_shortname( "MMS" )
  63     set_description( N_("Microsoft Media Server (MMS) input") )
  64     set_capability( "access", -1 )
  65     set_category( CAT_INPUT )
  66     set_subcategory( SUBCAT_INPUT_ACCESS )
  67
  68     add_integer( "mms-timeout", 5000, TIMEOUT_TEXT, TIMEOUT_LONGTEXT,
  69                  true )
  70
  71     add_bool( "mms-all", false, ALL_TEXT, ALL_LONGTEXT, true )
  72     add_integer( "mms-maxbitrate", 0, BITRATE_TEXT, BITRATE_LONGTEXT ,
  73                  false )
  74     add_obsolete_string( "mmsh-proxy" ) /* since 3.0.0 */
  75
  76     add_shortcut( "mms", "mmsu", "mmst", "mmsh" )
  77     set_callbacks( Open, Close )
  78 vlc_module_end ()
  79
  80 /*****************************************************************************
  81  * Local prototypes
  82  *****************************************************************************/
  83 struct access_sys_t
  84 {
  85     int i_proto;
  86 };
  87
  88 /*****************************************************************************
  89  * Open:
  90  *****************************************************************************/
  91 static int Open( vlc_object_t *p_this )
  92 {
  93     stream_t *p_access = (stream_t*)p_this;
  94
  95     /* use specified method */
  96     if( !strncmp( p_access->psz_name, "mmsu", 4 ) )
  97         return  MMSTUOpen ( p_access );
  98     else if( !strncmp( p_access->psz_name, "mmst", 4 ) )
  99         return  MMSTUOpen ( p_access );
 100     else if( !strncmp( p_access->psz_name, "mmsh", 4 ) )
 101         return  MMSHOpen ( p_access );
 102
 103     if( MMSTUOpen ( p_access ) )
 104     {   /* try mmsh if mmstu failed */
 105         return  MMSHOpen ( p_access );
 106     }
 107     return VLC_SUCCESS;
 108 }
 109
 110 /*****************************************************************************
 111  * Close: free unused data structures
 112  *****************************************************************************/
 113 static void Close( vlc_object_t *p_this )
 114 {
 115     stream_t     *p_access = (stream_t*)p_this;
 116     access_sys_t *p_sys = p_access->p_sys;
 117
 118     if( ( p_sys->i_proto == MMS_PROTO_TCP ) ||
 119         ( p_sys->i_proto == MMS_PROTO_UDP ) )
 120     {
 121          MMSTUClose ( p_access );
 122     }
 123     else if( p_sys->i_proto == MMS_PROTO_HTTP )
 124     {
 125          MMSHClose ( p_access );
 126     }
 127 }