/*****************************************************************************
* file.c: file input (file: access plug-in)
*****************************************************************************
- * Copyright (C) 2001-2004 VideoLAN
+ * Copyright (C) 2001-2006 the VideoLAN team
* $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
+ * RĂ©mi Denis-Courmont <rem # videolan # org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* 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.
*****************************************************************************/
/*****************************************************************************
*****************************************************************************/
#include <vlc/vlc.h>
#include <vlc/input.h>
+#include <vlc_interaction.h>
#include <stdlib.h>
#include <string.h>
+#include <errno.h>
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
-#ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
-#endif
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
-#ifdef HAVE_ERRNO_H
-# include <errno.h>
-#endif
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#elif defined( WIN32 ) && !defined( UNDER_CE )
+#if defined( WIN32 ) && !defined( UNDER_CE )
# include <io.h>
+#else
+# include <unistd.h>
+# include <poll.h>
#endif
-/* stat() support for large files on win32 */
#if defined( WIN32 ) && !defined( UNDER_CE )
-#define stat _stati64
-#define fstat(a,b) _fstati64(a,b)
+/* stat() support for large files on win32 */
+# define stat _stati64
+# define fstat(a,b) _fstati64(a,b)
+# ifdef lseek
+# undef lseek
+# endif
+# define lseek _lseeki64
+#elif defined( UNDER_CE )
+# ifdef read
+# undef read
+# endif
+# define read(a,b,c) fread(b,1,c,a)
+# define close(a) fclose(a)
+# ifdef lseek
+# undef lseek
+# endif
+# define lseek fseek
#endif
-#ifdef UNDER_CE
-# define close(a) CloseHandle((HANDLE)a)
-#endif
+#include "charset.h"
/*****************************************************************************
* Module descriptor
#define CACHING_TEXT N_("Caching value in ms")
#define CACHING_LONGTEXT N_( \
- "Allows you to modify the default caching value for file streams. This " \
- "value should be set in millisecond units." )
+ "Caching value for files. This " \
+ "value should be set in milliseconds." )
#define CAT_TEXT N_("Concatenate with additional files")
#define CAT_LONGTEXT N_( \
- "Allows you to play split files as if they were part of a unique file. " \
- "Specify a comma-separated list of files." )
+ "Play split files as if they were part of a unique file. " \
+ "You need to specify a comma-separated list of files." )
vlc_module_begin();
- set_description( _("Standard filesystem file input") );
+ set_description( _("File input") );
+ set_shortname( _("File") );
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_ACCESS );
add_integer( "file-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
add_string( "file-cat", NULL, NULL, CAT_TEXT, CAT_LONGTEXT, VLC_TRUE );
set_capability( "access2", 50 );
static int Read( access_t *, uint8_t *, int );
static int Control( access_t *, int, va_list );
-static int _OpenFile( access_t *, char * );
+static int _OpenFile( access_t *, const char * );
typedef struct
{
/* Current file */
int i_index;
+#ifndef UNDER_CE
int fd;
+ int fd_backup;
+#else
+ FILE *fd;
+ FILE *fd_backup;
+#endif
/* */
vlc_bool_t b_seekable;
{
access_t *p_access = (access_t*)p_this;
access_sys_t *p_sys;
-
- char * psz_name = p_access->psz_path;
+ char *psz_name = strdup( p_access->psz_path );
+ char *psz;
#ifdef HAVE_SYS_STAT_H
- int i_stat;
struct stat stat_info;
#endif
- vlc_bool_t b_stdin;
- vlc_value_t val;
-
file_entry_t * p_file;
+ vlc_bool_t b_stdin = psz_name[0] == '-' && psz_name[1] == '\0';
-
- b_stdin = psz_name[0] == '-' && psz_name[1] == '\0';
+ if( !b_stdin )
+ {
+ if( psz_name[0] == '~' && psz_name[1] == '/' )
+ {
+ /* This is incomplete : we should also support the ~cmassiot/
+ * syntax. */
+ asprintf( &psz, "%s/%s", p_access->p_libvlc->psz_homedir, psz_name + 2 );
+ free( psz_name );
+ psz_name = psz;
+ }
+#if defined(WIN32)
+ else if( !strcasecmp( p_access->psz_access, "file" )
+ && ('/' == psz_name[0]) && psz_name[1]
+ && (':' == psz_name[2]) && ('/' == psz_name[3]) )
+ {
+ /*
+ ** explorer can open path such as file:/C:/ or file:///C:/...
+ ** hence remove leading / if found
+ */
+ strcpy( psz_name, p_access->psz_path + 1 );
+ }
+#endif
#ifdef HAVE_SYS_STAT_H
- if( !b_stdin && (i_stat = stat( psz_name, &stat_info )) == (-1) )
- {
- msg_Warn( p_access, "cannot stat() file `%s' (%s)",
- psz_name, strerror(errno));
- return VLC_EGENERIC;
- }
+ if( utf8_stat( psz_name, &stat_info ) )
+ {
+ msg_Warn( p_access, "%s: %s", psz_name, strerror( errno ) );
+ free( psz_name );
+ return VLC_EGENERIC;
+ }
#endif
+ }
- p_access->pf_read = Read;
- p_access->pf_block = NULL;
- p_access->pf_seek = Seek;
- p_access->pf_control = Control;
- p_access->info.i_update = 0;
- p_access->info.i_size = 0;
- p_access->info.i_pos = 0;
- p_access->info.b_eof = VLC_FALSE;
- p_access->info.i_title = 0;
- p_access->info.i_seekpoint = 0;
- p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
+ STANDARD_READ_ACCESS_INIT;
p_sys->i_nb_reads = 0;
p_sys->b_kfir = VLC_FALSE;
p_sys->file = NULL;
p_sys->i_file = 0;
p_sys->i_index = 0;
+#ifndef UNDER_CE
p_sys->fd = -1;
+#endif
if( !strcasecmp( p_access->psz_access, "stream" ) )
{
else
{
msg_Err( p_access, "unknown file type for `%s'", psz_name );
+ intf_UserFatal( p_access, VLC_FALSE, _("File reading failed"),
+ _("\"%s\"'s file type is unknown."),
+ psz_name );
+ free( psz_name );
return VLC_EGENERIC;
}
}
else if( _OpenFile( p_access, psz_name ) )
{
free( p_sys );
+ free( psz_name );
return VLC_EGENERIC;
}
/* FIXME that's bad because all others access will be probed */
msg_Err( p_access, "file %s is empty, aborting", psz_name );
free( p_sys );
+ free( psz_name );
return VLC_EGENERIC;
}
*/
p_file = malloc( sizeof(file_entry_t) );
p_file->i_size = p_access->info.i_size;
- p_file->psz_name = strdup( psz_name );
+ p_file->psz_name = psz_name;
TAB_APPEND( p_sys->i_file, p_sys->file, p_file );
- var_Create( p_access, "file-cat", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_Get( p_access, "file-cat", &val );
-
- if( *val.psz_string )
+ psz = var_CreateGetString( p_access, "file-cat" );
+ if( *psz )
{
- char *psz_parser = psz_name = val.psz_string;
+ char *psz_parser = psz_name = psz;
int64_t i_size;
while( psz_name && *psz_name )
if( psz_name )
{
msg_Dbg( p_access, "adding file `%s'", psz_name );
+ i_size = 0;
#ifdef HAVE_SYS_STAT_H
if( !stat( psz_name, &stat_info ) )
else
{
msg_Dbg( p_access, "cannot stat() file `%s'", psz_name );
- i_size = 0;
}
#endif
p_file = malloc( sizeof(file_entry_t) );
if( psz_name ) psz_name++;
}
}
- free( val.psz_string );
+ free( psz );
return VLC_SUCCESS;
}
access_sys_t *p_sys = p_access->p_sys;
int i_ret;
-#ifdef UNDER_CE
- if( !ReadFile( (HANDLE)p_sys->fd, p_buffer, i_len, (LPDWORD)&i_ret, NULL ) )
- {
- i_ret = -1;
- }
-#else
-#ifndef WIN32
+#if !defined(WIN32) && !defined(UNDER_CE)
if( !p_sys->b_pace_control )
{
if( !p_sys->b_kfir )
{
/* Find if some data is available. This won't work under Windows. */
- struct timeval timeout;
- fd_set fds;
-
- /* Initialize file descriptor set */
- FD_ZERO( &fds );
- FD_SET( p_sys->fd, &fds );
-
- /* We'll wait 0.5 second if nothing happens */
- timeout.tv_sec = 0;
- timeout.tv_usec = 500000;
-
- /* Find if some data is available */
- while( (i_ret = select( p_sys->fd + 1, &fds, NULL, NULL, &timeout )) == 0
- || (i_ret < 0 && errno == EINTR) )
+ do
{
- FD_ZERO( &fds );
- FD_SET( p_sys->fd, &fds );
- timeout.tv_sec = 0;
- timeout.tv_usec = 500000;
+ struct pollfd ufd;
if( p_access->b_die )
return 0;
- }
- if( i_ret < 0 )
- {
- msg_Err( p_access, "select error (%s)", strerror(errno) );
- return -1;
+ memset (&ufd, 0, sizeof (ufd));
+ ufd.fd = p_sys->fd;
+ ufd.events = POLLIN;
+
+ i_ret = poll( &ufd, 1, 500 );
+ if( i_ret == -1 )
+ {
+ if( errno != EINTR )
+ {
+ msg_Err( p_access, "poll error: %s",
+ strerror( errno ) );
+ return -1;
+ }
+ i_ret = 0;
+ }
}
+ while( i_ret == 0 );
i_ret = read( p_sys->fd, p_buffer, i_len );
}
else
{
/* b_kfir ; work around a buggy poll() driver implementation */
- while ( (i_ret = read( p_sys->fd, p_buffer, i_len )) == 0 && !p_access->b_die )
+ while ( (i_ret = read( p_sys->fd, p_buffer, i_len )) == 0 &&
+ !p_access->b_die )
{
msleep( INPUT_ERROR_SLEEP );
}
}
}
else
-# endif
+#endif /* WIN32 || UNDER_CE */
{
/* b_pace_control || WIN32 */
i_ret = read( p_sys->fd, p_buffer, i_len );
}
-#endif
if( i_ret < 0 )
{
if( errno != EINTR && errno != EAGAIN )
+ {
msg_Err( p_access, "read failed (%s)", strerror(errno) );
+ intf_UserFatal( p_access, VLC_FALSE, _("File reading failed"),
+ _("VLC could not read file \"%s\"."),
+ strerror(errno) );
+ }
/* Delay a bit to avoid consuming all the CPU. This is particularly
* useful when reading from an unconnected FIFO. */
p_sys->i_nb_reads++;
#ifdef HAVE_SYS_STAT_H
- if( p_access->info.i_size != 0 && (p_sys->i_nb_reads % INPUT_FSTAT_NB_READS) == 0 )
+ if( p_access->info.i_size != 0 &&
+ (p_sys->i_nb_reads % INPUT_FSTAT_NB_READS) == 0 )
{
struct stat stat_info;
int i_file = p_sys->i_index;
else if ( p_sys->file[i_file]->i_size != stat_info.st_size )
{
p_access->info.i_size += (stat_info.st_size - p_sys->file[i_file]->i_size );
+ p_sys->file[i_file]->i_size = stat_info.st_size;
p_access->info.i_update |= INPUT_UPDATE_SIZE;
}
}
/* If we reached an EOF then switch to the next file in the list */
if ( i_ret == 0 && p_sys->i_index + 1 < p_sys->i_file )
{
- int fd = p_sys->fd;
char *psz_name = p_sys->file[++p_sys->i_index]->psz_name;
+ p_sys->fd_backup = p_sys->fd;
msg_Dbg( p_access, "opening file `%s'", psz_name );
if ( _OpenFile( p_access, psz_name ) )
{
- p_sys->fd = fd;
+ p_sys->fd = p_sys->fd_backup;
return 0;
}
- close( fd );
+ close( p_sys->fd_backup );
/* We have to read some data */
return Read( p_access, p_buffer, i_len );
/* Check which file we need to access */
if( p_sys->i_file > 1 )
{
- int fd = p_sys->fd;
int i;
char *psz_name;
+ p_sys->fd_backup = p_sys->fd;
for( i = 0; i < p_sys->i_file - 1; i++ )
{
if ( i != p_sys->i_index && !_OpenFile( p_access, psz_name ) )
{
/* Close old file */
- close( fd );
+ close( p_sys->fd_backup );
p_sys->i_index = i;
}
else
{
- p_sys->fd = fd;
+ p_sys->fd = p_sys->fd_backup;
}
}
-#if defined( WIN32 ) && !defined( UNDER_CE )
- _lseeki64( p_sys->fd, i_pos - i_size, SEEK_SET );
-#else
lseek( p_sys->fd, i_pos - i_size, SEEK_SET );
-#endif
p_access->info.i_pos = i_pos;
if( p_access->info.i_size < p_access->info.i_pos )
return VLC_SUCCESS;
}
-
/*****************************************************************************
* Control:
*****************************************************************************/
vlc_bool_t *pb_bool;
int *pi_int;
int64_t *pi_64;
- vlc_value_t val;
switch( i_query )
{
case ACCESS_GET_PTS_DELAY:
pi_64 = (int64_t*)va_arg( args, int64_t * );
- var_Get( p_access, "file-caching", &val );
- *pi_64 = val.i_int * 1000;
+ *pi_64 = var_GetInteger( p_access, "file-caching" ) * I64C(1000);
break;
+
/* */
case ACCESS_SET_PAUSE_STATE:
/* Nothing to do */
case ACCESS_SET_TITLE:
case ACCESS_SET_SEEKPOINT:
case ACCESS_SET_PRIVATE_ID_STATE:
+ case ACCESS_GET_META:
return VLC_EGENERIC;
default:
- msg_Err( p_access, "unimplemented query in control" );
+ msg_Warn( p_access, "unimplemented query in control" );
return VLC_EGENERIC;
}
/*****************************************************************************
* OpenFile: Opens a specific file
*****************************************************************************/
-static int _OpenFile( access_t * p_access, char * psz_name )
+static int _OpenFile( access_t * p_access, const char * psz_name )
{
access_sys_t *p_sys = p_access->p_sys;
#ifdef UNDER_CE
- wchar_t psz_filename[MAX_PATH];
- MultiByteToWideChar( CP_ACP, 0, psz_name, -1, psz_filename, MAX_PATH );
-
- p_sys->fd =
- (int)CreateFile( psz_filename, GENERIC_READ, FILE_SHARE_READ,
- NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
-
- if ( (HANDLE)p_sys->fd == INVALID_HANDLE_VALUE )
+ p_sys->fd = utf8_fopen( psz_name, "rb" );
+ if ( !p_sys->fd )
{
msg_Err( p_access, "cannot open file %s", psz_name );
+ intf_UserFatal( p_access, VLC_FALSE, _("File reading failed"),
+ _("VLC could not open file \"%s\"."), psz_name );
return VLC_EGENERIC;
}
- p_access->info.i_size =
- GetFileSize( (HANDLE)p_access_data->i_handle, NULL );
+
+ fseek( p_sys->fd, 0, SEEK_END );
+ p_access->info.i_size = ftell( p_sys->fd );
p_access->info.i_update |= INPUT_UPDATE_SIZE;
+ fseek( p_sys->fd, 0, SEEK_SET );
#else
+ const char *psz_localname = ToLocale( psz_name );
+ if( psz_localname == NULL )
+ {
+ msg_Err( p_access, "incorrect file name %s", psz_name );
+ return VLC_EGENERIC;
+ }
+
+ // FIXME: support non-ANSI filenames on Win32
+ p_sys->fd = open( psz_localname, O_NONBLOCK /*| O_LARGEFILE*/ );
+ LocaleFree( psz_localname );
- p_sys->fd = open( psz_name, O_NONBLOCK /*| O_LARGEFILE*/ );
if ( p_sys->fd == -1 )
{
msg_Err( p_access, "cannot open file %s (%s)", psz_name,
strerror(errno) );
+ intf_UserFatal( p_access, VLC_FALSE, _("File reading failed"),
+ _("VLC could not open file \"%s\" (%s)."),
+ psz_name, strerror(errno) );
return VLC_EGENERIC;
}
+
+#if defined(HAVE_FCNTL_H) && defined(F_FDAHEAD) && defined(F_NOCACHE)
+ /* We'd rather use any available memory for reading ahead
+ * than for caching what we've already seen/heard */
+ fcntl(p_sys->fd, F_RDAHEAD, 1);
+ fcntl(p_sys->fd, F_NOCACHE, 1);
+#endif
+
#endif
return VLC_SUCCESS;