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>
40 #include <vlc_block.h>
41 #include <vlc_charset.h>
42 #include "vlc_strings.h"
46 #elif defined( WIN32 ) && !defined( UNDER_CE )
50 /* For those platforms that don't use these */
52 # define STDOUT_FILENO 1
55 # define O_LARGEFILE 0
58 /*****************************************************************************
60 *****************************************************************************/
61 static int Open ( vlc_object_t * );
62 static void Close( vlc_object_t * );
64 #define SOUT_CFG_PREFIX "sout-file-"
65 #define APPEND_TEXT N_("Append to file")
66 #define APPEND_LONGTEXT N_( "Append to file if it exists instead " \
70 set_description( _("File stream output") );
71 set_shortname( _("File" ));
72 set_capability( "sout access", 50 );
73 set_category( CAT_SOUT );
74 set_subcategory( SUBCAT_SOUT_ACO );
75 add_shortcut( "file" );
76 add_shortcut( "stream" );
77 add_bool( SOUT_CFG_PREFIX "append", 0, NULL, APPEND_TEXT,APPEND_LONGTEXT,
79 set_callbacks( Open, Close );
83 /*****************************************************************************
85 *****************************************************************************/
86 static const char *ppsz_sout_options[] = {
90 static ssize_t Write( sout_access_out_t *, block_t * );
91 static int Seek ( sout_access_out_t *, off_t );
92 static ssize_t Read ( sout_access_out_t *, block_t * );
94 struct sout_access_out_sys_t
99 /*****************************************************************************
100 * Open: open the file
101 *****************************************************************************/
102 static int Open( vlc_object_t *p_this )
104 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
108 config_ChainParse( p_access, SOUT_CFG_PREFIX, ppsz_sout_options, p_access->p_cfg );
110 if( !p_access->psz_path )
112 msg_Err( p_access, "no file name specified" );
116 if( !( p_access->p_sys = malloc( sizeof( sout_access_out_sys_t ) ) ) )
118 return( VLC_ENOMEM );
121 i_flags = O_RDWR|O_CREAT|O_LARGEFILE;
123 var_Get( p_access, SOUT_CFG_PREFIX "append", &val );
124 i_flags |= val.b_bool ? O_APPEND : O_TRUNC;
126 if( !strcmp( p_access->psz_path, "-" ) )
129 setmode (STDOUT_FILENO, O_BINARY);
131 p_access->p_sys->i_handle = STDOUT_FILENO;
132 msg_Dbg( p_access, "using stdout" );
137 char *psz_tmp = str_format( p_access, p_access->psz_path );
138 path_sanitize( psz_tmp );
140 fd = utf8_open( psz_tmp, i_flags, 0666 );
145 msg_Err( p_access, "cannot open `%s' (%m)", p_access->psz_path );
146 free( p_access->p_sys );
147 return( VLC_EGENERIC );
149 p_access->p_sys->i_handle = fd;
152 p_access->pf_write = Write;
153 p_access->pf_read = Read;
154 p_access->pf_seek = Seek;
156 msg_Dbg( p_access, "file access output opened (`%s')", p_access->psz_path );
158 /* Update pace control flag */
159 if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
160 p_access->p_sout->i_out_pace_nocontrol++;
165 /*****************************************************************************
166 * Close: close the target
167 *****************************************************************************/
168 static void Close( vlc_object_t * p_this )
170 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
172 if( strcmp( p_access->psz_path, "-" ) )
174 if( p_access->p_sys->i_handle )
176 close( p_access->p_sys->i_handle );
179 free( p_access->p_sys );
181 /* Update pace control flag */
182 if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
183 p_access->p_sout->i_out_pace_nocontrol--;
185 msg_Dbg( p_access, "file access output closed" );
188 /*****************************************************************************
189 * Read: standard read on a file descriptor.
190 *****************************************************************************/
191 static ssize_t Read( sout_access_out_t *p_access, block_t *p_buffer )
193 if( strcmp( p_access->psz_path, "-" ) )
195 return read( p_access->p_sys->i_handle, p_buffer->p_buffer,
196 p_buffer->i_buffer );
199 msg_Err( p_access, "cannot read while using stdout" );
203 /*****************************************************************************
204 * Write: standard write on a file descriptor.
205 *****************************************************************************/
206 static ssize_t Write( sout_access_out_t *p_access, block_t *p_buffer )
212 block_t *p_next = p_buffer->p_next;;
214 i_write += write( p_access->p_sys->i_handle,
215 p_buffer->p_buffer, p_buffer->i_buffer );
216 block_Release( p_buffer );
224 /*****************************************************************************
225 * Seek: seek to a specific location in a file
226 *****************************************************************************/
227 static int Seek( sout_access_out_t *p_access, off_t i_pos )
229 if( strcmp( p_access->psz_path, "-" ) )
231 #if defined( WIN32 ) && !defined( UNDER_CE )
232 return( _lseeki64( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
234 return( lseek( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
239 msg_Err( p_access, "cannot seek while using stdout" );