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 *****************************************************************************/
33 #include <sys/types.h>
38 #include <vlc_common.h>
39 #include <vlc_plugin.h>
41 #include <vlc_block.h>
43 #include <vlc_strings.h>
45 #if defined( WIN32 ) && !defined( UNDER_CE )
47 # define lseek _lseeki64
53 # define O_LARGEFILE 0
56 /*****************************************************************************
58 *****************************************************************************/
59 static int Open ( vlc_object_t * );
60 static void Close( vlc_object_t * );
62 #define SOUT_CFG_PREFIX "sout-file-"
63 #define APPEND_TEXT N_("Append to file")
64 #define APPEND_LONGTEXT N_( "Append to file if it exists instead " \
66 #define SYNC_TEXT N_("Synchronous writing")
67 #define SYNC_LONGTEXT N_( "Open the file with synchronous writing.")
70 set_description( N_("File stream output") )
71 set_shortname( N_("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", false, NULL, APPEND_TEXT,APPEND_LONGTEXT,
79 add_bool( SOUT_CFG_PREFIX "sync", false, NULL, SYNC_TEXT,SYNC_LONGTEXT,
81 set_callbacks( Open, Close )
85 /*****************************************************************************
87 *****************************************************************************/
88 static const char *const ppsz_sout_options[] = {
89 "append", "sync", NULL
92 static ssize_t Write( sout_access_out_t *, block_t * );
93 static int Seek ( sout_access_out_t *, off_t );
94 static ssize_t Read ( sout_access_out_t *, block_t * );
95 static int Control( sout_access_out_t *, int, va_list );
97 struct sout_access_out_sys_t
102 /*****************************************************************************
103 * Open: open the file
104 *****************************************************************************/
105 static int Open( vlc_object_t *p_this )
107 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
111 config_ChainParse( p_access, SOUT_CFG_PREFIX, ppsz_sout_options, p_access->p_cfg );
113 if( !p_access->psz_path )
115 msg_Err( p_access, "no file name specified" );
119 bool append = var_GetBool( p_access, SOUT_CFG_PREFIX "append" );
120 sync = var_GetBool( p_access, SOUT_CFG_PREFIX "sync" );
122 if( !strcmp( p_access->psz_path, "-" ) )
126 setmode (fileno (stdout), O_BINARY);
128 fd = vlc_dup (fileno (stdout));
129 msg_Dbg( p_access, "using stdout" );
131 #warning stdout is not supported on Windows Mobile, but may be used on Windows CE
137 char *psz_tmp = str_format( p_access, p_access->psz_path );
138 path_sanitize( psz_tmp );
140 fd = vlc_open( psz_tmp, O_RDWR | O_CREAT | O_LARGEFILE |
142 (sync ? O_SYNC : 0) |
144 (append ? 0 : O_TRUNC), 0666 );
150 msg_Err( p_access, "cannot open `%s' (%m)", p_access->psz_path );
154 p_access->pf_write = Write;
155 p_access->pf_read = Read;
156 p_access->pf_seek = Seek;
157 p_access->pf_control = Control;
158 p_access->p_sys = (void *)(intptr_t)fd;
160 msg_Dbg( p_access, "file access output opened (%s)", p_access->psz_path );
162 lseek (fd, 0, SEEK_END);
167 /*****************************************************************************
168 * Close: close the target
169 *****************************************************************************/
170 static void Close( vlc_object_t * p_this )
172 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
174 close( (intptr_t)p_access->p_sys );
176 msg_Dbg( p_access, "file access output closed" );
179 static int Control( sout_access_out_t *p_access, int i_query, va_list args )
183 case ACCESS_OUT_CONTROLS_PACE:
185 bool *pb = va_arg( args, bool * );
186 *pb = strcmp( p_access->psz_access, "stream" );
196 /*****************************************************************************
197 * Read: standard read on a file descriptor.
198 *****************************************************************************/
199 static ssize_t Read( sout_access_out_t *p_access, block_t *p_buffer )
204 val = read( (intptr_t)p_access->p_sys, p_buffer->p_buffer,
205 p_buffer->i_buffer );
206 while (val == -1 && errno == EINTR);
210 /*****************************************************************************
211 * Write: standard write on a file descriptor.
212 *****************************************************************************/
213 static ssize_t Write( sout_access_out_t *p_access, block_t *p_buffer )
219 ssize_t val = write ((intptr_t)p_access->p_sys,
220 p_buffer->p_buffer, p_buffer->i_buffer);
225 block_ChainRelease (p_buffer);
229 if ((size_t)val >= p_buffer->i_buffer)
231 block_t *p_next = p_buffer->p_next;
232 block_Release (p_buffer);
237 p_buffer->p_buffer += val;
238 p_buffer->i_buffer -= val;
245 /*****************************************************************************
246 * Seek: seek to a specific location in a file
247 *****************************************************************************/
248 static int Seek( sout_access_out_t *p_access, off_t i_pos )
250 return lseek( (intptr_t)p_access->p_sys, i_pos, SEEK_SET );