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>
38 #include <vlc_common.h>
39 #include <vlc_plugin.h>
41 #include <vlc_block.h>
42 #include <vlc_charset.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 " \
68 set_description( N_("File stream output") );
69 set_shortname( N_("File" ));
70 set_capability( "sout access", 50 );
71 set_category( CAT_SOUT );
72 set_subcategory( SUBCAT_SOUT_ACO );
73 add_shortcut( "file" );
74 add_shortcut( "stream" );
75 add_bool( SOUT_CFG_PREFIX "append", 0, NULL, APPEND_TEXT,APPEND_LONGTEXT,
77 set_callbacks( Open, Close );
81 /*****************************************************************************
83 *****************************************************************************/
84 static const char *const ppsz_sout_options[] = {
88 static ssize_t Write( sout_access_out_t *, block_t * );
89 static int Seek ( sout_access_out_t *, off_t );
90 static ssize_t Read ( sout_access_out_t *, block_t * );
92 struct sout_access_out_sys_t
97 /*****************************************************************************
99 *****************************************************************************/
100 static int Open( vlc_object_t *p_this )
102 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
105 config_ChainParse( p_access, SOUT_CFG_PREFIX, ppsz_sout_options, p_access->p_cfg );
107 if( !p_access->psz_path )
109 msg_Err( p_access, "no file name specified" );
113 bool append = var_GetBool( p_access, SOUT_CFG_PREFIX "append" );
115 if( !strcmp( p_access->psz_path, "-" ) )
118 setmode (fileno (stdout), O_BINARY);
120 fd = dup (fileno (stdout));
121 msg_Dbg( p_access, "using stdout" );
125 char *psz_tmp = str_format( p_access, p_access->psz_path );
126 path_sanitize( psz_tmp );
128 fd = utf8_open( psz_tmp, O_RDWR | O_CREAT | O_LARGEFILE |
129 (append ? 0 : O_TRUNC), 0666 );
135 msg_Err( p_access, "cannot open `%s' (%m)", p_access->psz_path );
139 p_access->pf_write = Write;
140 p_access->pf_read = Read;
141 p_access->pf_seek = Seek;
142 p_access->p_sys = (void *)(intptr_t)fd;
144 msg_Dbg( p_access, "file access output opened (%s)", p_access->psz_path );
146 lseek (fd, 0, SEEK_END);
148 /* Update pace control flag */
149 if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
150 p_access->p_sout->i_out_pace_nocontrol++;
155 /*****************************************************************************
156 * Close: close the target
157 *****************************************************************************/
158 static void Close( vlc_object_t * p_this )
160 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
162 close( (intptr_t)p_access->p_sys );
164 /* Update pace control flag */
165 if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
166 p_access->p_sout->i_out_pace_nocontrol--;
168 msg_Dbg( p_access, "file access output closed" );
171 /*****************************************************************************
172 * Read: standard read on a file descriptor.
173 *****************************************************************************/
174 static ssize_t Read( sout_access_out_t *p_access, block_t *p_buffer )
179 val = read( (intptr_t)p_access->p_sys, p_buffer->p_buffer,
180 p_buffer->i_buffer );
181 while (val == -1 && errno == EINTR);
185 /*****************************************************************************
186 * Write: standard write on a file descriptor.
187 *****************************************************************************/
188 static ssize_t Write( sout_access_out_t *p_access, block_t *p_buffer )
194 ssize_t val = write ((intptr_t)p_access->p_sys,
195 p_buffer->p_buffer, p_buffer->i_buffer);
200 block_ChainRelease (p_buffer);
204 if ((size_t)val >= p_buffer->i_buffer)
206 block_t *p_next = p_buffer->p_next;
207 block_Release (p_buffer);
212 p_buffer->p_buffer += val;
213 p_buffer->i_buffer -= val;
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 return lseek( (intptr_t)p_access->p_sys, i_pos, SEEK_SET );