/*****************************************************************************
* file.c
*****************************************************************************
- * Copyright (C) 2001, 2002 VideoLAN (Centrale Réseaux) and its contributors
+ * Copyright (C) 2001, 2002 the VideoLAN team
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdlib.h>
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
#include <sys/types.h>
-#include <sys/stat.h>
-#include <string.h>
+#include <time.h>
#include <fcntl.h>
#include <errno.h>
-#include <vlc/vlc.h>
-#include <vlc/sout.h>
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_sout.h>
+#include <vlc_block.h>
+#include <vlc_fs.h>
+#include <vlc_strings.h>
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#elif defined( WIN32 ) && !defined( UNDER_CE )
+#if defined( WIN32 ) && !defined( UNDER_CE )
# include <io.h>
+# define lseek _lseeki64
+#else
+# include <unistd.h>
#endif
-/* For those platforms that don't use these */
-#ifndef S_IRGRP
-# define S_IRGRP 0
-#endif
-#ifndef S_IROTH
-# define S_IROTH 0
-#endif
-#ifndef STDOUT_FILENO
-# define STDOUT_FILENO 1
-#endif
#ifndef O_LARGEFILE
# define O_LARGEFILE 0
#endif
#define APPEND_TEXT N_("Append to file")
#define APPEND_LONGTEXT N_( "Append to file if it exists instead " \
"of replacing it.")
-
-vlc_module_begin();
- set_description( _("File stream output") );
- set_shortname( N_("File" ));
- set_capability( "sout access", 50 );
- set_category( CAT_SOUT );
- set_subcategory( SUBCAT_SOUT_ACO );
- add_shortcut( "file" );
- add_shortcut( "stream" );
- add_bool( SOUT_CFG_PREFIX "append", 0, NULL, APPEND_TEXT,APPEND_LONGTEXT,
- VLC_TRUE );
- set_callbacks( Open, Close );
-vlc_module_end();
+#define SYNC_TEXT N_("Synchronous writing")
+#define SYNC_LONGTEXT N_( "Open the file with synchronous writing.")
+
+vlc_module_begin ()
+ set_description( N_("File stream output") )
+ set_shortname( N_("File" ))
+ set_capability( "sout access", 50 )
+ set_category( CAT_SOUT )
+ set_subcategory( SUBCAT_SOUT_ACO )
+ add_shortcut( "file", "stream" )
+ add_bool( SOUT_CFG_PREFIX "append", false, NULL, APPEND_TEXT,APPEND_LONGTEXT,
+ true )
+ add_bool( SOUT_CFG_PREFIX "sync", false, NULL, SYNC_TEXT,SYNC_LONGTEXT,
+ false )
+ set_callbacks( Open, Close )
+vlc_module_end ()
/*****************************************************************************
* Exported prototypes
*****************************************************************************/
-static const char *ppsz_sout_options[] = {
- "append", NULL
+static const char *const ppsz_sout_options[] = {
+ "append", "sync", NULL
};
-static int Write( sout_access_out_t *, block_t * );
+static ssize_t Write( sout_access_out_t *, block_t * );
static int Seek ( sout_access_out_t *, off_t );
-static int Read ( sout_access_out_t *, block_t * );
+static ssize_t Read ( sout_access_out_t *, block_t * );
+static int Control( sout_access_out_t *, int, va_list );
struct sout_access_out_sys_t
{
static int Open( vlc_object_t *p_this )
{
sout_access_out_t *p_access = (sout_access_out_t*)p_this;
- int i_flags;
- vlc_value_t val;
+ int fd;
+ bool sync;
- sout_CfgParse( p_access, SOUT_CFG_PREFIX, ppsz_sout_options, p_access->p_cfg );
-
- if( !( p_access->p_sys = malloc( sizeof( sout_access_out_sys_t ) ) ) )
- {
- msg_Err( p_access, "out of memory" );
- return( VLC_EGENERIC );
- }
+ config_ChainParse( p_access, SOUT_CFG_PREFIX, ppsz_sout_options, p_access->p_cfg );
- if( !p_access->psz_name )
+ if( !p_access->psz_path )
{
msg_Err( p_access, "no file name specified" );
return VLC_EGENERIC;
}
- i_flags = O_RDWR|O_CREAT|O_LARGEFILE;
- var_Get( p_access, SOUT_CFG_PREFIX "append", &val );
- if( val.b_bool )
+ bool append = var_GetBool( p_access, SOUT_CFG_PREFIX "append" );
+ sync = var_GetBool( p_access, SOUT_CFG_PREFIX "sync" );
+
+ if( !strcmp( p_access->psz_path, "-" ) )
{
- i_flags |= O_APPEND;
+#ifndef UNDER_CE
+#ifdef WIN32
+ setmode (fileno (stdout), O_BINARY);
+#endif
+ fd = vlc_dup (fileno (stdout));
+ msg_Dbg( p_access, "using stdout" );
+#else
+#warning stdout is not supported on Windows Mobile, but may be used on Windows CE
+ fd = -1;
+#endif
}
else
{
- i_flags |= O_TRUNC;
- }
- if( !strcmp( p_access->psz_name, "-" ) )
- {
- p_access->p_sys->i_handle = STDOUT_FILENO;
- msg_Dbg( p_access, "using stdout" );
+ char *psz_tmp = str_format( p_access, p_access->psz_path );
+ path_sanitize( psz_tmp );
+
+ fd = vlc_open( psz_tmp, O_RDWR | O_CREAT | O_LARGEFILE |
+#ifdef O_SYNC
+ (sync ? O_SYNC : 0) |
+#endif
+ (append ? 0 : O_TRUNC), 0666 );
+ free( psz_tmp );
}
- else if( ( p_access->p_sys->i_handle =
- open( p_access->psz_name, i_flags,
- S_IWRITE | S_IREAD | S_IRGRP | S_IROTH ) ) == -1 )
+
+ if (fd == -1)
{
- msg_Err( p_access, "cannot open `%s'", p_access->psz_name );
- free( p_access->p_sys );
- return( VLC_EGENERIC );
+ msg_Err( p_access, "cannot open `%s' (%m)", p_access->psz_path );
+ return VLC_EGENERIC;
}
p_access->pf_write = Write;
p_access->pf_read = Read;
p_access->pf_seek = Seek;
+ p_access->pf_control = Control;
+ p_access->p_sys = (void *)(intptr_t)fd;
- msg_Dbg( p_access, "file access output opened (`%s')", p_access->psz_name );
-
- /* Update pace control flag */
- if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
- p_access->p_sout->i_out_pace_nocontrol++;
+ msg_Dbg( p_access, "file access output opened (%s)", p_access->psz_path );
+ if (append)
+ lseek (fd, 0, SEEK_END);
return VLC_SUCCESS;
}
{
sout_access_out_t *p_access = (sout_access_out_t*)p_this;
- if( strcmp( p_access->psz_name, "-" ) )
+ close( (intptr_t)p_access->p_sys );
+
+ msg_Dbg( p_access, "file access output closed" );
+}
+
+static int Control( sout_access_out_t *p_access, int i_query, va_list args )
+{
+ switch( i_query )
{
- if( p_access->p_sys->i_handle )
+ case ACCESS_OUT_CONTROLS_PACE:
{
- close( p_access->p_sys->i_handle );
+ bool *pb = va_arg( args, bool * );
+ *pb = strcmp( p_access->psz_access, "stream" );
+ break;
}
- }
- free( p_access->p_sys );
-
- /* Update pace control flag */
- if( p_access->psz_access && !strcmp( p_access->psz_access, "stream" ) )
- p_access->p_sout->i_out_pace_nocontrol--;
- msg_Dbg( p_access, "file access output closed" );
+ default:
+ return VLC_EGENERIC;
+ }
+ return VLC_SUCCESS;
}
/*****************************************************************************
* Read: standard read on a file descriptor.
*****************************************************************************/
-static int Read( sout_access_out_t *p_access, block_t *p_buffer )
+static ssize_t Read( sout_access_out_t *p_access, block_t *p_buffer )
{
- if( strcmp( p_access->psz_name, "-" ) )
- {
- return read( p_access->p_sys->i_handle, p_buffer->p_buffer,
- p_buffer->i_buffer );
- }
+ ssize_t val;
- msg_Err( p_access, "cannot read while using stdout" );
- return VLC_EGENERIC;
+ do
+ val = read( (intptr_t)p_access->p_sys, p_buffer->p_buffer,
+ p_buffer->i_buffer );
+ while (val == -1 && errno == EINTR);
+ return val;
}
/*****************************************************************************
* Write: standard write on a file descriptor.
*****************************************************************************/
-static int Write( sout_access_out_t *p_access, block_t *p_buffer )
+static ssize_t Write( sout_access_out_t *p_access, block_t *p_buffer )
{
size_t i_write = 0;
while( p_buffer )
{
- block_t *p_next = p_buffer->p_next;;
-
- i_write += write( p_access->p_sys->i_handle,
- p_buffer->p_buffer, p_buffer->i_buffer );
- block_Release( p_buffer );
+ ssize_t val = write ((intptr_t)p_access->p_sys,
+ p_buffer->p_buffer, p_buffer->i_buffer);
+ if (val == -1)
+ {
+ if (errno == EINTR)
+ continue;
+ block_ChainRelease (p_buffer);
+ return -1;
+ }
- p_buffer = p_next;
+ if ((size_t)val >= p_buffer->i_buffer)
+ {
+ block_t *p_next = p_buffer->p_next;
+ block_Release (p_buffer);
+ p_buffer = p_next;
+ }
+ else
+ {
+ p_buffer->p_buffer += val;
+ p_buffer->i_buffer -= val;
+ }
+ i_write += val;
}
-
return i_write;
}
*****************************************************************************/
static int Seek( sout_access_out_t *p_access, off_t i_pos )
{
- if( strcmp( p_access->psz_name, "-" ) )
- {
-#if defined( WIN32 ) && !defined( UNDER_CE )
- return( _lseeki64( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
-#else
- return( lseek( p_access->p_sys->i_handle, i_pos, SEEK_SET ) );
-#endif
- }
- else
- {
- msg_Err( p_access, "cannot seek while using stdout" );
- return VLC_EGENERIC;
- }
+ return lseek( (intptr_t)p_access->p_sys, i_pos, SEEK_SET );
}