--- /dev/null
+/*****************************************************************************
+ * file.c: file input (file: access plug-in)
+ *****************************************************************************
+ * Copyright (C) 2001-2004 the VideoLAN team
+ * $Id: file.c 12318 2005-08-21 17:46:48Z damienf $
+ *
+ * Authors: Benjamin Pracht <bigben -AT- videolan -DOT- 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * 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.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <vlc/vlc.h>
+#include <vlc/input.h>
+#include <libgnomevfs/gnome-vfs.h>
+
+#if 0
+#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_FCNTL_H
+# include <fcntl.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#endif
+
+#include "charset.h"
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
+
+#define CACHING_TEXT N_("Caching value in ms")
+#define CACHING_LONGTEXT N_( \
+ "Allows you to modify the default caching value for GnomeVFS streams."\
+ "This value should be set in millisecond units." )
+
+vlc_module_begin();
+ set_description( _("GnomeVFS filesystem file input") );
+ set_shortname( _("GnomeVFS") );
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_ACCESS );
+ add_integer( "gnomevfs-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
+ set_capability( "access2", 0 );
+ add_shortcut( "gnomevfs" );
+ set_callbacks( Open, Close );
+vlc_module_end();
+
+
+/*****************************************************************************
+ * Exported prototypes
+ *****************************************************************************/
+static int Seek( access_t *, int64_t );
+static int Read( access_t *, uint8_t *, int );
+static int Control( access_t *, int, va_list );
+
+struct access_sys_t
+{
+ unsigned int i_nb_reads;
+ char *psz_name;
+
+ GnomeVFSHandle *p_handle;
+ GnomeVFSFileInfo *p_file_info;
+
+ vlc_bool_t b_local;
+ vlc_bool_t b_seekable;
+ vlc_bool_t b_pace_control;
+};
+
+/*****************************************************************************
+ * Open: open the file
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+ access_t *p_access = (access_t*)p_this;
+ access_sys_t *p_sys;
+ char *psz_name = strdup( p_access->psz_path );
+ char *psz, *psz_uri;
+ GnomeVFSURI *p_uri;
+ GnomeVFSResult i_ret;
+
+ if( !(gnome_vfs_init()) )
+ {
+ msg_Warn( p_access, "couldn't initilize GnomeVFS" );
+ return VLC_EGENERIC;
+ }
+
+ 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 ) );
+ p_sys->i_nb_reads = 0;
+ p_sys->b_pace_control = VLC_TRUE;
+
+ psz = ToLocale( psz_name );
+ psz_uri = gnome_vfs_make_uri_from_input_with_dirs( psz,
+ GNOME_VFS_MAKE_URI_DIR_CURRENT);
+ p_uri = gnome_vfs_uri_new( psz_uri );
+ msg_Dbg( p_access, "opening file `%s'", psz_name );
+
+ if( p_uri )
+ {
+ i_ret = gnome_vfs_open( &(p_sys->p_handle), psz_uri, 5 );
+ if( i_ret )
+ {
+ msg_Warn( p_access, "cannot open file %s: %s", psz_name,
+ gnome_vfs_result_to_string( i_ret ) );
+
+ LocaleFree( psz );
+ g_free( psz_uri );
+ gnome_vfs_uri_unref( p_uri);
+ free( p_sys );
+ free( psz_name );
+ return VLC_EGENERIC;
+ }
+ gnome_vfs_uri_unref( p_uri);
+ }
+ else
+ {
+ msg_Warn( p_access, "cannot parse MRL %s", psz_name );
+ LocaleFree( psz );
+ g_free( psz_uri );
+ free( p_sys );
+ free( psz_name );
+ return VLC_EGENERIC;
+ }
+ LocaleFree( psz );
+ g_free( psz_uri );
+
+ p_sys->p_file_info = gnome_vfs_file_info_new();
+ i_ret = gnome_vfs_get_file_info_from_handle( p_sys->p_handle,
+ p_sys->p_file_info, 8 );
+
+ if( i_ret )
+ {
+ msg_Err( p_access, "cannot get file info %s",
+ gnome_vfs_result_to_string( i_ret ) );
+ gnome_vfs_file_info_unref( p_sys->p_file_info );
+ free( p_sys );
+ free( psz_name );
+ return VLC_EGENERIC;
+ }
+
+ if (GNOME_VFS_FILE_INFO_LOCAL( p_sys->p_file_info ))
+ {
+ p_sys->b_local = VLC_TRUE;
+ }
+
+ if( p_sys->p_file_info->type == GNOME_VFS_FILE_TYPE_REGULAR ||
+ p_sys->p_file_info->type == GNOME_VFS_FILE_TYPE_CHARACTER_DEVICE ||
+ p_sys->p_file_info->type == GNOME_VFS_FILE_TYPE_BLOCK_DEVICE )
+ {
+ p_sys->b_seekable = VLC_TRUE;
+ p_access->info.i_size = (int64_t)(p_sys->p_file_info->size);
+ }
+ else if( p_sys->p_file_info->type == GNOME_VFS_FILE_TYPE_FIFO
+ || p_sys->p_file_info->type == GNOME_VFS_FILE_TYPE_SOCKET )
+ {
+ p_sys->b_seekable = VLC_FALSE;
+ }
+ else
+ {
+ msg_Err( p_access, "unknown file type for `%s'", psz_name );
+ return VLC_EGENERIC;
+ }
+
+ if( p_sys->b_seekable && !p_access->info.i_size )
+ {
+ /* FIXME that's bad because all others access will be probed */
+ msg_Err( p_access, "file %s is empty, aborting", psz_name );
+ gnome_vfs_file_info_unref( p_sys->p_file_info );
+ free( p_sys );
+ free( psz_name );
+ return VLC_EGENERIC;
+ }
+
+ /* Update default_pts to a suitable value for file access */
+ var_Create( p_access, "gnomevfs-caching",
+ VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+
+ p_sys->psz_name = psz_name;
+ return VLC_SUCCESS;
+
+}
+
+/*****************************************************************************
+ * Close: close the target
+ *****************************************************************************/
+static void Close( vlc_object_t * p_this )
+{
+ access_t *p_access = (access_t*)p_this;
+ access_sys_t *p_sys = p_access->p_sys;
+ int i_result;
+
+ i_result = gnome_vfs_close( p_sys->p_handle );
+ if( i_result )
+ {
+ msg_Err( p_access, "cannot close %s: %s", p_sys->psz_name,
+ gnome_vfs_result_to_string( i_result ) );
+ }
+
+ gnome_vfs_file_info_unref( p_sys->p_file_info );
+
+ free( p_sys->psz_name );
+ free( p_sys );
+}
+
+/*****************************************************************************
+ * Read: standard read on a file descriptor.
+ *****************************************************************************/
+static int Read( access_t *p_access, uint8_t *p_buffer, int i_len )
+{
+ access_sys_t *p_sys = p_access->p_sys;
+ int i_ret;
+ GnomeVFSFileSize i_read_len;
+
+ i_ret = gnome_vfs_read( p_sys->p_handle, p_buffer,
+ (GnomeVFSFileSize)i_len, &i_read_len );
+
+ if( i_ret )
+ {
+ p_access->info.b_eof = VLC_TRUE;
+ if( i_ret != GNOME_VFS_ERROR_EOF )
+ {
+ msg_Err( p_access, "read failed (%s)",
+ gnome_vfs_result_to_string( i_ret ) );
+ }
+ }
+ else
+ {
+ p_sys->i_nb_reads++;
+ if( p_access->info.i_size != 0 &&
+ (p_sys->i_nb_reads % INPUT_FSTAT_NB_READS) == 0 &&
+ p_sys->b_local )
+ {
+ gnome_vfs_file_info_clear( p_sys->p_file_info );
+ i_ret = gnome_vfs_get_file_info_from_handle( p_sys->p_handle,
+ p_sys->p_file_info, 8 );
+ if( i_ret )
+ {
+ msg_Warn( p_access, "couldn't get file properties again (%s)",
+ gnome_vfs_result_to_string( i_ret ) );
+ }
+ else
+ {
+ p_access->info.i_size = (int64_t)(p_sys->p_file_info->size);
+ }
+ }
+ }
+
+ p_access->info.i_pos += (int64_t)i_read_len;
+
+ return (int)i_read_len;
+}
+
+/*****************************************************************************
+ * Seek: seek to a specific location in a file
+ *****************************************************************************/
+static int Seek( access_t *p_access, int64_t i_pos )
+{
+ access_sys_t *p_sys = p_access->p_sys;
+ int i_ret;
+
+ i_ret = gnome_vfs_seek( p_sys->p_handle, GNOME_VFS_SEEK_START,
+ (GnomeVFSFileOffset)i_pos);
+
+ if ( !i_ret )
+ {
+ p_access->info.i_pos = i_pos;
+ }
+ else
+ {
+ GnomeVFSFileSize i_offset;
+ msg_Err( p_access, "cannot seek (%s)",
+ gnome_vfs_result_to_string( i_ret ) );
+ i_ret = gnome_vfs_tell( p_sys->p_handle, &i_offset );
+ if( !i_ret )
+ {
+ msg_Err( p_access, "cannot tell the current position (%s)",
+ gnome_vfs_result_to_string( i_ret ) );
+ return VLC_EGENERIC;
+ }
+ }
+ /* Reset eof */
+ p_access->info.b_eof = VLC_FALSE;
+
+ /* FIXME */
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Control:
+ *****************************************************************************/
+static int Control( access_t *p_access, int i_query, va_list args )
+{
+ access_sys_t *p_sys = p_access->p_sys;
+ vlc_bool_t *pb_bool;
+ int *pi_int;
+ int64_t *pi_64;
+
+ switch( i_query )
+ {
+ /* */
+ case ACCESS_CAN_SEEK:
+ case ACCESS_CAN_FASTSEEK:
+ pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
+ *pb_bool = p_sys->b_seekable;
+ break;
+
+ case ACCESS_CAN_PAUSE:
+ case ACCESS_CAN_CONTROL_PACE:
+ pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
+ *pb_bool = p_sys->b_pace_control;
+ break;
+
+ /* */
+ case ACCESS_GET_MTU:
+ pi_int = (int*)va_arg( args, int * );
+ *pi_int = 0;
+ break;
+
+ case ACCESS_GET_PTS_DELAY:
+ pi_64 = (int64_t*)va_arg( args, int64_t * );
+ *pi_64 = var_GetInteger( p_access,
+ "gnomevfs-caching" ) * I64C(1000);
+ break;
+
+ /* */
+ case ACCESS_SET_PAUSE_STATE:
+ /* Nothing to do */
+ break;
+
+ case ACCESS_GET_TITLE_INFO:
+ case ACCESS_SET_TITLE:
+ case ACCESS_SET_SEEKPOINT:
+ case ACCESS_SET_PRIVATE_ID_STATE:
+ case ACCESS_GET_META:
+ return VLC_EGENERIC;
+
+ default:
+ msg_Warn( p_access, "unimplemented query in control" );
+ return VLC_EGENERIC;
+
+ }
+ return VLC_SUCCESS;
+}
+
projects / vlc / commitdiff