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 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 int Write( sout_access_out_t *, block_t * );
87 static int Seek ( sout_access_out_t *, off_t );
88 static int 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 sout_CfgParse( p_access, SOUT_CFG_PREFIX, ppsz_sout_options, p_access->p_cfg );
106 if( !( p_access->p_sys = malloc( sizeof( sout_access_out_sys_t ) ) ) )
108 msg_Err( p_access, "out of memory" );
109 return( VLC_EGENERIC );
112 if( !p_access->psz_name )
114 msg_Err( p_access, "no file name specified" );
117 i_flags = O_RDWR|O_CREAT;
119 var_Get( p_access, SOUT_CFG_PREFIX "append", &val );
128 if( !strcmp( p_access->psz_name, "-" ) )
130 p_access->p_sys->i_handle = STDOUT_FILENO;
131 msg_Dbg( p_access, "using stdout" );
133 else if( ( p_access->p_sys->i_handle =
134 open( p_access->psz_name, i_flags,
135 S_IWRITE | S_IREAD | S_IRGRP | S_IROTH ) ) == -1 )
137 msg_Err( p_access, "cannot open `%s'", p_access->psz_name );
138 free( p_access->p_sys );
139 return( VLC_EGENERIC );
142 p_access->pf_write = Write;
143 p_access->pf_read = Read;
144 p_access->pf_seek = Seek;
146 msg_Dbg( p_access, "file access output opened (`%s')", p_access->psz_name );
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 if( strcmp( p_access->psz_name, "-" ) )
164 if( p_access->p_sys->i_handle )
166 close( p_access->p_sys->i_handle );
169 free( p_access->p_sys );
171 /* Update pace control flag */
172 if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
173 p_access->p_sout->i_out_pace_nocontrol--;
175 msg_Dbg( p_access, "file access output closed" );
178 /*****************************************************************************
179 * Read: standard read on a file descriptor.
180 *****************************************************************************/
181 static int Read( sout_access_out_t *p_access, block_t *p_buffer )
183 if( strcmp( p_access->psz_name, "-" ) )
185 return read( p_access->p_sys->i_handle, p_buffer->p_buffer,
186 p_buffer->i_buffer );
189 msg_Err( p_access, "cannot read while using stdout" );
193 /*****************************************************************************
194 * Write: standard write on a file descriptor.
195 *****************************************************************************/
196 static int Write( sout_access_out_t *p_access, block_t *p_buffer )
202 block_t *p_next = p_buffer->p_next;;
204 i_write += write( p_access->p_sys->i_handle,
205 p_buffer->p_buffer, p_buffer->i_buffer );
206 block_Release( p_buffer );
214 /*****************************************************************************
215 * Seek: seek to a specific location in a file
216 *****************************************************************************/
217 static int Seek( sout_access_out_t *p_access, off_t i_pos )
219 if( strcmp( p_access->psz_name, "-" ) )
221 #if defined( WIN32 ) && !defined( UNDER_CE )
222 return( _lseeki64( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
224 return( lseek( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
229 msg_Err( p_access, "cannot seek while using stdout" );