1 /*****************************************************************************
2 * tcp.c: TCP input module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 VideoLAN
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
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.
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.
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
30 #include <vlc/input.h>
34 /*****************************************************************************
36 *****************************************************************************/
37 #define CACHING_TEXT N_("Caching value in ms")
38 #define CACHING_LONGTEXT N_( \
39 "Allows you to modify the default caching value for TCP streams. This " \
40 "value should be set in millisecond units." )
42 static int Open ( vlc_object_t * );
43 static void Close( vlc_object_t * );
46 set_description( _("TCP input") );
48 add_integer( "tcp-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
49 CACHING_LONGTEXT, VLC_TRUE );
51 set_capability( "access2", 0 );
52 add_shortcut( "tcp" );
53 set_callbacks( Open, Close );
56 /*****************************************************************************
58 *****************************************************************************/
67 static int Read( access_t *, uint8_t *, int );
68 static int Control( access_t *, int, va_list );
70 /*****************************************************************************
71 * Open: open the socket
72 *****************************************************************************/
73 static int Open( vlc_object_t *p_this )
75 access_t *p_access = (access_t *)p_this;
78 char *psz_dup = strdup(p_access->psz_path);
79 char *psz_parser = psz_dup;
81 /* Parse server:port */
82 while( *psz_parser && *psz_parser != ':' )
84 if( *psz_parser == '[' )
87 while( *psz_parser && *psz_parser != ']' )
94 if( *psz_parser != ':' || psz_parser == psz_dup )
96 msg_Err( p_access, "you have to provide server:port addresse" );
100 *psz_parser++ = '\0';
102 if( atoi( psz_parser ) <= 0 )
104 msg_Err( p_access, "invalid port number (%d)", atoi( psz_parser ) );
110 p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
111 p_sys->fd = net_OpenTCP( p_access, psz_dup, atoi( psz_parser ) );
113 p_sys->b_eof = VLC_FALSE;
122 p_access->pf_read = Read;
123 p_access->pf_block = NULL;
124 p_access->pf_seek = NULL;
125 p_access->pf_control = Control;
127 /* Update default_pts to a suitable value for udp access */
128 var_Create( p_access, "tcp-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
133 /*****************************************************************************
134 * Close: free unused data structures
135 *****************************************************************************/
136 static void Close( vlc_object_t *p_this )
138 access_t *p_access = (access_t *)p_this;
139 access_sys_t *p_sys = p_access->p_sys;
141 net_Close( p_sys->fd );
145 /*****************************************************************************
146 * Read: read on a file descriptor, checking b_die periodically
147 *****************************************************************************/
148 static int Read( access_t *p_access, uint8_t *p_buffer, int i_len )
150 access_sys_t *p_sys = p_access->p_sys;
156 i_read = net_Read( p_access, p_sys->fd, p_buffer, i_len, VLC_FALSE );
158 p_sys->b_eof = VLC_TRUE;
159 else if( i_read > 0 )
160 p_sys->i_tell += i_read;
165 /*****************************************************************************
167 *****************************************************************************/
168 static int Control( access_t *p_access, int i_query, va_list args )
170 access_sys_t *p_sys = p_access->p_sys;
179 case ACCESS_CAN_SEEK:
180 case ACCESS_CAN_FASTSEEK:
181 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
182 *pb_bool = VLC_FALSE;
184 case ACCESS_CAN_PAUSE:
185 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
186 *pb_bool = VLC_TRUE; /* FIXME */
188 case ACCESS_CAN_CONTROL_PACE:
189 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
190 *pb_bool = VLC_TRUE; /* FIXME */
195 pi_int = (int*)va_arg( args, int * );
198 case ACCESS_GET_SIZE:
199 pi_64 = (int64_t*)va_arg( args, int64_t * );
203 pi_64 = (int64_t*)va_arg( args, int64_t * );
204 *pi_64 = p_sys->i_tell;
207 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
208 *pb_bool = p_sys->b_eof;
211 case ACCESS_GET_PTS_DELAY:
212 pi_64 = (int64_t*)va_arg( args, int64_t * );
213 var_Get( p_access, "tcp-caching", &val );
214 *pi_64 = val.i_int * 1000;
218 case ACCESS_SET_PAUSE_STATE:
223 msg_Err( p_access, "unimplemented query in control" );