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-"
62 #define APPEND_TEXT N_("Append to file")
63 #define APPEND_LONGTEXT N_( "Append to file if it exists instead " \
67 set_description( _("File stream output") );
68 set_capability( "sout access", 50 );
69 add_shortcut( "file" );
70 add_shortcut( "stream" );
71 add_bool( SOUT_CFG_PREFIX "append", 0, NULL, APPEND_TEXT,APPEND_LONGTEXT,
73 set_callbacks( Open, Close );
77 /*****************************************************************************
79 *****************************************************************************/
80 static const char *ppsz_sout_options[] = {
84 static int Write( sout_access_out_t *, block_t * );
85 static int Seek ( sout_access_out_t *, off_t );
86 static int Read ( sout_access_out_t *, block_t * );
88 struct sout_access_out_sys_t
93 /*****************************************************************************
95 *****************************************************************************/
96 static int Open( vlc_object_t *p_this )
98 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
102 sout_CfgParse( p_access, SOUT_CFG_PREFIX, ppsz_sout_options, p_access->p_cfg );
104 if( !( p_access->p_sys = malloc( sizeof( sout_access_out_sys_t ) ) ) )
106 msg_Err( p_access, "out of memory" );
107 return( VLC_EGENERIC );
110 if( !p_access->psz_name )
112 msg_Err( p_access, "no file name specified" );
115 i_flags = O_RDWR|O_CREAT;
117 var_Get( p_access, SOUT_CFG_PREFIX "append", &val );
126 if( !strcmp( p_access->psz_name, "-" ) )
128 p_access->p_sys->i_handle = STDOUT_FILENO;
129 msg_Dbg( p_access, "using stdout" );
131 else if( ( p_access->p_sys->i_handle =
132 open( p_access->psz_name, i_flags,
133 S_IWRITE | S_IREAD | S_IRGRP | S_IROTH ) ) == -1 )
135 msg_Err( p_access, "cannot open `%s'", p_access->psz_name );
136 free( p_access->p_sys );
137 return( VLC_EGENERIC );
140 p_access->pf_write = Write;
141 p_access->pf_read = Read;
142 p_access->pf_seek = Seek;
144 msg_Dbg( p_access, "file access output opened (`%s')", p_access->psz_name );
146 /* Update pace control flag */
147 if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
148 p_access->p_sout->i_out_pace_nocontrol++;
153 /*****************************************************************************
154 * Close: close the target
155 *****************************************************************************/
156 static void Close( vlc_object_t * p_this )
158 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
160 if( strcmp( p_access->psz_name, "-" ) )
162 if( p_access->p_sys->i_handle )
164 close( p_access->p_sys->i_handle );
167 free( p_access->p_sys );
169 /* Update pace control flag */
170 if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
171 p_access->p_sout->i_out_pace_nocontrol--;
173 msg_Dbg( p_access, "file access output closed" );
176 /*****************************************************************************
177 * Read: standard read on a file descriptor.
178 *****************************************************************************/
179 static int Read( sout_access_out_t *p_access, block_t *p_buffer )
181 if( strcmp( p_access->psz_name, "-" ) )
183 return read( p_access->p_sys->i_handle, p_buffer->p_buffer,
184 p_buffer->i_buffer );
187 msg_Err( p_access, "cannot read while using stdout" );
191 /*****************************************************************************
192 * Write: standard write on a file descriptor.
193 *****************************************************************************/
194 static int Write( sout_access_out_t *p_access, block_t *p_buffer )
200 block_t *p_next = p_buffer->p_next;;
202 i_write += write( p_access->p_sys->i_handle,
203 p_buffer->p_buffer, p_buffer->i_buffer );
204 block_Release( p_buffer );
212 /*****************************************************************************
213 * Seek: seek to a specific location in a file
214 *****************************************************************************/
215 static int Seek( sout_access_out_t *p_access, off_t i_pos )
217 if( strcmp( p_access->psz_name, "-" ) )
219 #if defined( WIN32 ) && !defined( UNDER_CE )
220 return( _lseeki64( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
222 return( lseek( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
227 msg_Err( p_access, "cannot seek while using stdout" );