1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
5 * $Id: file.c,v 1.10 2003/12/04 12:33:43 gbazin Exp $
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Eric Petit <titer@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
29 #include <sys/types.h>
36 #include <vlc/input.h>
41 #elif defined( WIN32 ) && !defined( UNDER_CE )
45 /* For those platforms that don't use these */
53 # define STDOUT_FILENO 1
56 /*****************************************************************************
58 *****************************************************************************/
59 static int Open ( vlc_object_t * );
60 static void Close ( vlc_object_t * );
62 static int Write( sout_access_out_t *, sout_buffer_t * );
63 static int Seek ( sout_access_out_t *, off_t );
65 /*****************************************************************************
67 *****************************************************************************/
69 set_description( _("File stream ouput") );
70 set_capability( "sout access", 50 );
71 add_shortcut( "file" );
72 set_callbacks( Open, Close );
75 struct sout_access_out_sys_t
81 /*****************************************************************************
83 *****************************************************************************/
84 static int Open( vlc_object_t *p_this )
86 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
89 if( !( p_access->p_sys = malloc( sizeof( sout_access_out_sys_t ) ) ) )
91 msg_Err( p_access, "out of memory" );
92 return( VLC_EGENERIC );
95 if( !p_access->psz_name )
97 msg_Err( p_access, "no file name specified" );
100 i_flags = O_WRONLY|O_CREAT;
101 if( sout_cfg_find_value( p_access->p_cfg, "append" ) )
109 if( !strcmp( p_access->psz_name, "-" ) )
111 p_access->p_sys->i_handle = STDOUT_FILENO;
112 msg_Dbg( p_access, "using stdout" );
114 else if( ( p_access->p_sys->i_handle =
115 open( p_access->psz_name, i_flags,
116 S_IWRITE | S_IREAD | S_IRGRP | S_IROTH ) ) == -1 )
118 msg_Err( p_access, "cannot open `%s'", p_access->psz_name );
119 free( p_access->p_sys );
120 return( VLC_EGENERIC );
123 p_access->pf_write = Write;
124 p_access->pf_seek = Seek;
126 msg_Info( p_access, "Open: name:`%s'", p_access->psz_name );
130 /*****************************************************************************
131 * Close: close the target
132 *****************************************************************************/
133 static void Close( vlc_object_t * p_this )
135 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
137 if( strcmp( p_access->psz_name, "-" ) )
139 if( p_access->p_sys->i_handle )
141 close( p_access->p_sys->i_handle );
144 free( p_access->p_sys );
146 msg_Info( p_access, "Close" );
149 /*****************************************************************************
150 * Read: standard read on a file descriptor.
151 *****************************************************************************/
152 static int Write( sout_access_out_t *p_access, sout_buffer_t *p_buffer )
158 sout_buffer_t *p_next;
160 i_write += write( p_access->p_sys->i_handle, p_buffer->p_buffer,
162 p_next = p_buffer->p_next;
163 sout_BufferDelete( p_access->p_sout, p_buffer );
171 /*****************************************************************************
172 * Seek: seek to a specific location in a file
173 *****************************************************************************/
174 static int Seek( sout_access_out_t *p_access, off_t i_pos )
176 msg_Dbg( p_access, "Seek: pos:"I64Fd, (int64_t)i_pos );
178 if( strcmp( p_access->psz_name, "-" ) )
180 #if defined( WIN32 ) && !defined( UNDER_CE )
181 return( _lseeki64( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
183 return( lseek( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
188 msg_Err( p_access, "cannot seek while using stdout" );