mms.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:6k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * mms.c: MMS over tcp, udp and http access plug-in
- *****************************************************************************
- * Copyright (C) 2002-2004 the VideoLAN team
- * $Id: 6af74bbae79502e890f4ba8334ba10584bfab169 $
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_plugin.h>
- #include <vlc_access.h>
- #include "mms.h"
- /****************************************************************************
- * NOTES:
- * MMSProtocole documentation found at http://get.to/sdp
- ****************************************************************************/
- /*****************************************************************************
- * Module descriptor
- *****************************************************************************/
- static int Open ( vlc_object_t * );
- static void Close( vlc_object_t * );
- #define CACHING_TEXT N_("Caching value in ms")
- #define CACHING_LONGTEXT N_(
- "Caching value for MMS streams. This "
- "value should be set in milliseconds." )
- #define ALL_TEXT N_("Force selection of all streams")
- #define ALL_LONGTEXT N_(
- "MMS streams can contain several elementary streams, with different "
- "bitrates. You can choose to select all of them." )
- #define BITRATE_TEXT N_( "Maximum bitrate" )
- #define BITRATE_LONGTEXT N_(
- "Select the stream with the maximum bitrate under that limit." )
- #define PROXY_TEXT N_("HTTP proxy")
- #define PROXY_LONGTEXT N_(
- "HTTP proxy to be used It must be of the form "
- "http://[user[:pass]@]myproxy.mydomain:myport/ ; "
- "if empty, the http_proxy environment variable will be tried." )
- #define TIMEOUT_TEXT N_("TCP/UDP timeout (ms)")
- #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.")
- vlc_module_begin ()
- set_shortname( "MMS" )
- set_description( N_("Microsoft Media Server (MMS) input") )
- set_capability( "access", -1 )
- set_category( CAT_INPUT )
- set_subcategory( SUBCAT_INPUT_ACCESS )
- add_integer( "mms-caching", 19 * DEFAULT_PTS_DELAY / 1000, NULL,
- CACHING_TEXT, CACHING_LONGTEXT, true )
- add_integer( "mms-timeout", 5000, NULL, TIMEOUT_TEXT, TIMEOUT_LONGTEXT,
- true )
- add_bool( "mms-all", 0, NULL, ALL_TEXT, ALL_LONGTEXT, true )
- add_integer( "mms-maxbitrate", 0, NULL, BITRATE_TEXT, BITRATE_LONGTEXT ,
- false )
- add_string( "mmsh-proxy", NULL, NULL, PROXY_TEXT, PROXY_LONGTEXT,
- false )
- add_shortcut( "mms" )
- add_shortcut( "mmsu" )
- add_shortcut( "mmst" )
- add_shortcut( "mmsh" )
- add_shortcut( "http" )
- set_callbacks( Open, Close )
- vlc_module_end ()
- /*****************************************************************************
- * Local prototypes
- *****************************************************************************/
- struct access_sys_t
- {
- int i_proto;
- };
- /*****************************************************************************
- * Open:
- *****************************************************************************/
- static int Open( vlc_object_t *p_this )
- {
- access_t *p_access = (access_t*)p_this;
- /* First set ipv4/ipv6 */
- var_Create( p_access, "ipv4", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- var_Create( p_access, "ipv6", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- /* mms-caching */
- var_Create( p_access, "mms-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- /* use specified method */
- if( *p_access->psz_access )
- {
- if( !strncmp( p_access->psz_access, "mmsu", 4 ) )
- {
- return MMSTUOpen ( p_access );
- }
- else if( !strncmp( p_access->psz_access, "mmst", 4 ) )
- {
- return MMSTUOpen ( p_access );
- }
- else if( !strncmp( p_access->psz_access, "mmsh", 4 ) ||
- !strncmp( p_access->psz_access, "http", 4 ) )
- {
- return MMSHOpen ( p_access );
- }
- }
- if( MMSTUOpen ( p_access ) )
- {
- if( p_access->b_die )
- return VLC_EGENERIC;
- /* try mmsh if mmstu failed */
- return MMSHOpen ( p_access );
- }
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * Close: free unused data structures
- *****************************************************************************/
- static void Close( vlc_object_t *p_this )
- {
- access_t *p_access = (access_t*)p_this;
- access_sys_t *p_sys = p_access->p_sys;
- if( ( p_sys->i_proto == MMS_PROTO_TCP ) ||
- ( p_sys->i_proto == MMS_PROTO_UDP ) )
- {
- MMSTUClose ( p_access );
- }
- else if( p_sys->i_proto == MMS_PROTO_HTTP )
- {
- MMSHClose ( p_access );
- }
- }