1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 the VideoLAN team
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
28 #include <sys/types.h>
36 #include <vlc_block.h>
37 #include <vlc_charset.h>
38 #include "vlc_strings.h"
42 #elif defined( WIN32 ) && !defined( UNDER_CE )
46 /* For those platforms that don't use these */
48 # define STDOUT_FILENO 1
51 # define O_LARGEFILE 0
54 /*****************************************************************************
56 *****************************************************************************/
57 static int Open ( vlc_object_t * );
58 static void Close( vlc_object_t * );
60 #define SOUT_CFG_PREFIX "sout-file-"
61 #define APPEND_TEXT N_("Append to file")
62 #define APPEND_LONGTEXT N_( "Append to file if it exists instead " \
66 set_description( _("File stream output") );
67 set_shortname( _("File" ));
68 set_capability( "sout access", 50 );
69 set_category( CAT_SOUT );
70 set_subcategory( SUBCAT_SOUT_ACO );
71 add_shortcut( "file" );
72 add_shortcut( "stream" );
73 add_bool( SOUT_CFG_PREFIX "append", 0, NULL, APPEND_TEXT,APPEND_LONGTEXT,
75 set_callbacks( Open, Close );
79 /*****************************************************************************
81 *****************************************************************************/
82 static const char *ppsz_sout_options[] = {
86 static ssize_t Write( sout_access_out_t *, block_t * );
87 static int Seek ( sout_access_out_t *, off_t );
88 static ssize_t Read ( sout_access_out_t *, block_t * );
90 struct sout_access_out_sys_t
95 /*****************************************************************************
97 *****************************************************************************/
98 static int Open( vlc_object_t *p_this )
100 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
104 config_ChainParse( p_access, SOUT_CFG_PREFIX, ppsz_sout_options, p_access->p_cfg );
106 if( !p_access->psz_path )
108 msg_Err( p_access, "no file name specified" );
112 if( !( p_access->p_sys = malloc( sizeof( sout_access_out_sys_t ) ) ) )
114 return( VLC_ENOMEM );
117 i_flags = O_RDWR|O_CREAT|O_LARGEFILE;
119 var_Get( p_access, SOUT_CFG_PREFIX "append", &val );
120 i_flags |= val.b_bool ? O_APPEND : O_TRUNC;
122 if( !strcmp( p_access->psz_path, "-" ) )
125 setmode (STDOUT_FILENO, O_BINARY);
127 p_access->p_sys->i_handle = STDOUT_FILENO;
128 msg_Dbg( p_access, "using stdout" );
133 char *psz_tmp = str_format( p_access, p_access->psz_path );
134 path_sanitize( psz_tmp );
136 fd = utf8_open( psz_tmp, i_flags, 0666 );
141 msg_Err( p_access, "cannot open `%s' (%m)", p_access->psz_path );
142 free( p_access->p_sys );
143 return( VLC_EGENERIC );
145 p_access->p_sys->i_handle = fd;
148 p_access->pf_write = Write;
149 p_access->pf_read = Read;
150 p_access->pf_seek = Seek;
152 msg_Dbg( p_access, "file access output opened (`%s')", p_access->psz_path );
154 /* Update pace control flag */
155 if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
156 p_access->p_sout->i_out_pace_nocontrol++;
161 /*****************************************************************************
162 * Close: close the target
163 *****************************************************************************/
164 static void Close( vlc_object_t * p_this )
166 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
168 if( strcmp( p_access->psz_path, "-" ) )
170 if( p_access->p_sys->i_handle )
172 close( p_access->p_sys->i_handle );
175 free( p_access->p_sys );
177 /* Update pace control flag */
178 if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
179 p_access->p_sout->i_out_pace_nocontrol--;
181 msg_Dbg( p_access, "file access output closed" );
184 /*****************************************************************************
185 * Read: standard read on a file descriptor.
186 *****************************************************************************/
187 static ssize_t Read( sout_access_out_t *p_access, block_t *p_buffer )
189 if( strcmp( p_access->psz_path, "-" ) )
191 return read( p_access->p_sys->i_handle, p_buffer->p_buffer,
192 p_buffer->i_buffer );
195 msg_Err( p_access, "cannot read while using stdout" );
199 /*****************************************************************************
200 * Write: standard write on a file descriptor.
201 *****************************************************************************/
202 static ssize_t Write( sout_access_out_t *p_access, block_t *p_buffer )
208 block_t *p_next = p_buffer->p_next;;
210 i_write += write( p_access->p_sys->i_handle,
211 p_buffer->p_buffer, p_buffer->i_buffer );
212 block_Release( p_buffer );
220 /*****************************************************************************
221 * Seek: seek to a specific location in a file
222 *****************************************************************************/
223 static int Seek( sout_access_out_t *p_access, off_t i_pos )
225 if( strcmp( p_access->psz_path, "-" ) )
227 #if defined( WIN32 ) && !defined( UNDER_CE )
228 return( _lseeki64( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
230 return( lseek( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
235 msg_Err( p_access, "cannot seek while using stdout" );