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 *****************************************************************************/
29 #include <sys/types.h>
41 #elif defined( WIN32 ) && !defined( UNDER_CE )
45 /* For those platforms that don't use these */
47 # define STDOUT_FILENO 1
50 # define O_LARGEFILE 0
53 /*****************************************************************************
55 *****************************************************************************/
56 static int Open ( vlc_object_t * );
57 static void Close( vlc_object_t * );
59 #define SOUT_CFG_PREFIX "sout-file-"
60 #define APPEND_TEXT N_("Append to file")
61 #define APPEND_LONGTEXT N_( "Append to file if it exists instead " \
65 set_description( _("File stream output") );
66 set_shortname( N_("File" ));
67 set_capability( "sout access", 50 );
68 set_category( CAT_SOUT );
69 set_subcategory( SUBCAT_SOUT_ACO );
70 add_shortcut( "file" );
71 add_shortcut( "stream" );
72 add_bool( SOUT_CFG_PREFIX "append", 0, NULL, APPEND_TEXT,APPEND_LONGTEXT,
74 set_callbacks( Open, Close );
78 /*****************************************************************************
80 *****************************************************************************/
81 static const char *ppsz_sout_options[] = {
85 static int Write( sout_access_out_t *, block_t * );
86 static int Seek ( sout_access_out_t *, off_t );
87 static int Read ( sout_access_out_t *, block_t * );
89 struct sout_access_out_sys_t
94 /*****************************************************************************
96 *****************************************************************************/
97 static int Open( vlc_object_t *p_this )
99 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
103 sout_CfgParse( p_access, SOUT_CFG_PREFIX, ppsz_sout_options, p_access->p_cfg );
105 if( !p_access->psz_name )
107 msg_Err( p_access, "no file name specified" );
111 if( !( p_access->p_sys = malloc( sizeof( sout_access_out_sys_t ) ) ) )
113 return( VLC_ENOMEM );
116 i_flags = O_RDWR|O_CREAT|O_LARGEFILE;
118 var_Get( p_access, SOUT_CFG_PREFIX "append", &val );
119 i_flags |= val.b_bool ? O_APPEND : O_TRUNC;
121 if( !strcmp( p_access->psz_name, "-" ) )
124 setmode (STDOUT_FILENO, O_BINARY);
126 p_access->p_sys->i_handle = STDOUT_FILENO;
127 msg_Dbg( p_access, "using stdout" );
131 const char *psz_localname = ToLocale( p_access->psz_name );
132 int fd = open( psz_localname, i_flags, 0666 );
133 LocaleFree( psz_localname );
137 msg_Err( p_access, "cannot open `%s' (%s)", p_access->psz_name,
139 free( p_access->p_sys );
140 return( VLC_EGENERIC );
142 p_access->p_sys->i_handle = fd;
145 p_access->pf_write = Write;
146 p_access->pf_read = Read;
147 p_access->pf_seek = Seek;
149 msg_Dbg( p_access, "file access output opened (`%s')", p_access->psz_name );
151 /* Update pace control flag */
152 if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
153 p_access->p_sout->i_out_pace_nocontrol++;
158 /*****************************************************************************
159 * Close: close the target
160 *****************************************************************************/
161 static void Close( vlc_object_t * p_this )
163 sout_access_out_t *p_access = (sout_access_out_t*)p_this;
165 if( strcmp( p_access->psz_name, "-" ) )
167 if( p_access->p_sys->i_handle )
169 close( p_access->p_sys->i_handle );
172 free( p_access->p_sys );
174 /* Update pace control flag */
175 if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
176 p_access->p_sout->i_out_pace_nocontrol--;
178 msg_Dbg( p_access, "file access output closed" );
181 /*****************************************************************************
182 * Read: standard read on a file descriptor.
183 *****************************************************************************/
184 static int Read( sout_access_out_t *p_access, block_t *p_buffer )
186 if( strcmp( p_access->psz_name, "-" ) )
188 return read( p_access->p_sys->i_handle, p_buffer->p_buffer,
189 p_buffer->i_buffer );
192 msg_Err( p_access, "cannot read while using stdout" );
196 /*****************************************************************************
197 * Write: standard write on a file descriptor.
198 *****************************************************************************/
199 static int Write( sout_access_out_t *p_access, block_t *p_buffer )
205 block_t *p_next = p_buffer->p_next;;
207 i_write += write( p_access->p_sys->i_handle,
208 p_buffer->p_buffer, p_buffer->i_buffer );
209 block_Release( p_buffer );
217 /*****************************************************************************
218 * Seek: seek to a specific location in a file
219 *****************************************************************************/
220 static int Seek( sout_access_out_t *p_access, off_t i_pos )
222 if( strcmp( p_access->psz_name, "-" ) )
224 #if defined( WIN32 ) && !defined( UNDER_CE )
225 return( _lseeki64( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
227 return( lseek( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
232 msg_Err( p_access, "cannot seek while using stdout" );