1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 VideoLAN
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>
40 #elif defined( WIN32 ) && !defined( UNDER_CE )
44 /* For those platforms that don't use these */
52 # define STDOUT_FILENO 1
55 /*****************************************************************************
57 *****************************************************************************/
58 static int Open ( vlc_object_t * );
59 static void Close( vlc_object_t * );
61 #define SOUT_CFG_PREFIX "sout-file-"
64 set_description( _("File stream ouput") );
65 set_capability( "sout access", 50 );
66 add_shortcut( "file" );
67 add_shortcut( "stream" );
68 add_bool( SOUT_CFG_PREFIX "append", 0, NULL, "append", "", VLC_TRUE );
69 set_callbacks( Open, Close );
73 /*****************************************************************************
75 *****************************************************************************/
76 static const char *ppsz_sout_options[] = {
80 static int Write( sout_access_out_t *, block_t * );
81 static int Seek ( sout_access_out_t *, off_t );
82 static int Read ( sout_access_out_t *, block_t * );
84 struct sout_access_out_sys_t
89 /*****************************************************************************
91 *****************************************************************************/
92 static int Open( vlc_object_t *p_this )
94 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
98 sout_ParseCfg( p_access, SOUT_CFG_PREFIX, ppsz_sout_options, p_access->p_cfg );
100 if( !( p_access->p_sys = malloc( sizeof( sout_access_out_sys_t ) ) ) )
102 msg_Err( p_access, "out of memory" );
103 return( VLC_EGENERIC );
106 if( !p_access->psz_name )
108 msg_Err( p_access, "no file name specified" );
111 i_flags = O_RDWR|O_CREAT;
113 var_Get( p_access, SOUT_CFG_PREFIX "append", &val );
122 if( !strcmp( p_access->psz_name, "-" ) )
124 p_access->p_sys->i_handle = STDOUT_FILENO;
125 msg_Dbg( p_access, "using stdout" );
127 else if( ( p_access->p_sys->i_handle =
128 open( p_access->psz_name, i_flags,
129 S_IWRITE | S_IREAD | S_IRGRP | S_IROTH ) ) == -1 )
131 msg_Err( p_access, "cannot open `%s'", p_access->psz_name );
132 free( p_access->p_sys );
133 return( VLC_EGENERIC );
136 p_access->pf_write = Write;
137 p_access->pf_read = Read;
138 p_access->pf_seek = Seek;
140 msg_Dbg( p_access, "file access output opened (`%s')", p_access->psz_name );
142 /* Update pace control flag */
143 if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
144 p_access->p_sout->i_out_pace_nocontrol++;
149 /*****************************************************************************
150 * Close: close the target
151 *****************************************************************************/
152 static void Close( vlc_object_t * p_this )
154 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
156 if( strcmp( p_access->psz_name, "-" ) )
158 if( p_access->p_sys->i_handle )
160 close( p_access->p_sys->i_handle );
163 free( p_access->p_sys );
165 /* Update pace control flag */
166 if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
167 p_access->p_sout->i_out_pace_nocontrol--;
169 msg_Dbg( p_access, "file access output closed" );
172 /*****************************************************************************
173 * Read: standard read on a file descriptor.
174 *****************************************************************************/
175 static int Read( sout_access_out_t *p_access, block_t *p_buffer )
177 if( strcmp( p_access->psz_name, "-" ) )
179 return read( p_access->p_sys->i_handle, p_buffer->p_buffer,
180 p_buffer->i_buffer );
183 msg_Err( p_access, "cannot read while using stdout" );
187 /*****************************************************************************
188 * Write: standard write on a file descriptor.
189 *****************************************************************************/
190 static int Write( sout_access_out_t *p_access, block_t *p_buffer )
196 block_t *p_next = p_buffer->p_next;;
198 i_write += write( p_access->p_sys->i_handle,
199 p_buffer->p_buffer, p_buffer->i_buffer );
200 block_Release( p_buffer );
208 /*****************************************************************************
209 * Seek: seek to a specific location in a file
210 *****************************************************************************/
211 static int Seek( sout_access_out_t *p_access, off_t i_pos )
213 if( strcmp( p_access->psz_name, "-" ) )
215 #if defined( WIN32 ) && !defined( UNDER_CE )
216 return( _lseeki64( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
218 return( lseek( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
223 msg_Err( p_access, "cannot seek while using stdout" );