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vlc/modules/services_discovery/hal.c
Rémi Denis-Courmont fe087a3828 Make Zorglub less unhappy
2005-07-09 06:17:09 +00:00

276 lines
8.9 KiB
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/*****************************************************************************
* sap.c : SAP interface module
*****************************************************************************
* Copyright (C) 2004 the VideoLAN team
* $Id: sap.c 9217 2004-11-07 11:02:59Z courmisch $
*
* Authors: Clément Stenac <zorglub@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
* 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.
*****************************************************************************/
/*****************************************************************************
* Includes
*****************************************************************************/
#include <stdlib.h> /* malloc(), free() */
#include <vlc/vlc.h>
#include <vlc/intf.h>
#include <vlc/input.h>
#include "network.h"
#include <errno.h> /* ENOMEM */
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <hal/libhal.h>
/************************************************************************
* Macros and definitions
************************************************************************/
#define MAX_LINE_LENGTH 256
/*****************************************************************************
* Module descriptor
*****************************************************************************/
/* Callbacks */
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
vlc_module_begin();
set_description( _("HAL device detection") );
set_category( CAT_PLAYLIST );
set_subcategory( SUBCAT_PLAYLIST_SD );
set_capability( "services_discovery", 0 );
set_callbacks( Open, Close );
vlc_module_end();
/*****************************************************************************
* Local structures
*****************************************************************************/
struct services_discovery_sys_t
{
LibHalContext *p_ctx;
/* playlist node */
playlist_item_t *p_node;
};
/*****************************************************************************
* Local prototypes
*****************************************************************************/
/* Main functions */
static void Run ( services_discovery_t *p_intf );
/*****************************************************************************
* Open: initialize and create stuff
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
services_discovery_t *p_sd = ( services_discovery_t* )p_this;
services_discovery_sys_t *p_sys = malloc(
sizeof( services_discovery_sys_t ) );
vlc_value_t val;
playlist_t *p_playlist;
playlist_view_t *p_view;
p_sd->pf_run = Run;
p_sd->p_sys = p_sys;
if( !( p_sys->p_ctx = hal_initialize( NULL, FALSE ) ) )
{
free( p_sys );
msg_Err( p_sd, "hal not available" );
return VLC_EGENERIC;
}
/* Create our playlist node */
p_playlist = (playlist_t *)vlc_object_find( p_sd, VLC_OBJECT_PLAYLIST,
FIND_ANYWHERE );
if( !p_playlist )
{
msg_Warn( p_sd, "unable to find playlist, cancelling HAL listening");
return VLC_EGENERIC;
}
p_view = playlist_ViewFind( p_playlist, VIEW_CATEGORY );
p_sys->p_node = playlist_NodeCreate( p_playlist, VIEW_CATEGORY,
_("Devices"), p_view->p_root );
p_sys->p_node->i_flags |= PLAYLIST_RO_FLAG;
val.b_bool = VLC_TRUE;
var_Set( p_playlist, "intf-change", val );
vlc_object_release( p_playlist );
return VLC_SUCCESS;
}
/*****************************************************************************
* Close:
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
services_discovery_t *p_sd = ( services_discovery_t* )p_this;
services_discovery_sys_t *p_sys = p_sd->p_sys;
playlist_t *p_playlist = (playlist_t *) vlc_object_find( p_sd,
VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
if( p_playlist )
{
playlist_NodeDelete( p_playlist, p_sys->p_node, VLC_TRUE, VLC_TRUE );
vlc_object_release( p_playlist );
}
free( p_sys );
}
static void AddDvd( services_discovery_t *p_sd, char *psz_device )
{
char *psz_name;
char *psz_uri;
char *psz_blockdevice;
services_discovery_sys_t *p_sys = p_sd->p_sys;
playlist_t *p_playlist;
playlist_item_t *p_item;
psz_name = hal_device_get_property_string( p_sd->p_sys->p_ctx,
psz_device, "volume.label" );
psz_blockdevice = hal_device_get_property_string( p_sd->p_sys->p_ctx,
psz_device, "block.device" );
asprintf( &psz_uri, "dvd://%s", psz_blockdevice );
/* Create the playlist item here */
p_item = playlist_ItemNew( p_sd, psz_uri,
psz_name );
free( psz_uri );
hal_free_string( psz_device );
if( !p_item )
{
return;
}
p_item->i_flags &= ~PLAYLIST_SKIP_FLAG;
p_playlist = (playlist_t *)vlc_object_find( p_sd, VLC_OBJECT_PLAYLIST,
FIND_ANYWHERE );
if( !p_playlist )
{
msg_Err( p_sd, "playlist not found" );
return;
}
playlist_NodeAddItem( p_playlist, p_item, VIEW_CATEGORY, p_sys->p_node,
PLAYLIST_APPEND, PLAYLIST_END );
vlc_object_release( p_playlist );
}
static void AddCdda( services_discovery_t *p_sd, char *psz_device )
{
char *psz_name = "Audio CD";
char *psz_uri;
char *psz_blockdevice;
services_discovery_sys_t *p_sys = p_sd->p_sys;
playlist_t *p_playlist;
playlist_item_t *p_item;
psz_blockdevice = hal_device_get_property_string( p_sd->p_sys->p_ctx,
psz_device, "block.device" );
asprintf( &psz_uri, "cdda://%s", psz_blockdevice );
/* Create the playlist item here */
p_item = playlist_ItemNew( p_sd, psz_uri,
psz_name );
free( psz_uri );
hal_free_string( psz_device );
if( !p_item )
{
return;
}
p_item->i_flags &= ~PLAYLIST_SKIP_FLAG;
p_playlist = (playlist_t *)vlc_object_find( p_sd, VLC_OBJECT_PLAYLIST,
FIND_ANYWHERE );
if( !p_playlist )
{
msg_Err( p_sd, "playlist not found" );
return;
}
playlist_NodeAddItem( p_playlist, p_item, VIEW_CATEGORY, p_sys->p_node,
PLAYLIST_APPEND, PLAYLIST_END );
vlc_object_release( p_playlist );
}
static void ParseDevice( services_discovery_t *p_sd, char *psz_device )
{
char *psz_disc_type;
services_discovery_sys_t *p_sys = p_sd->p_sys;
if( hal_device_property_exists( p_sys->p_ctx, psz_device,
"volume.disc.type" ) )
{
psz_disc_type = hal_device_get_property_string( p_sys->p_ctx,
psz_device,
"volume.disc.type" );
if( !strcmp( psz_disc_type, "dvd_rom" ) )
{
AddDvd( p_sd, psz_device );
}
else if( !strcmp( psz_disc_type, "cd_rom" ) )
{
if( hal_device_get_property_bool( p_sys->p_ctx, psz_device, "volume.disc.has_audio" ) )
{
AddCdda( p_sd, psz_device );
}
}
hal_free_string( psz_disc_type );
}
}
/*****************************************************************************
* Run: main HAL thread
*****************************************************************************/
static void Run( services_discovery_t *p_sd )
{
int i, i_devices;
char **devices;
services_discovery_sys_t *p_sys = p_sd->p_sys;
/* parse existing devices first */
if( ( devices = hal_get_all_devices( p_sys->p_ctx, &i_devices ) ) )
{
for( i = 0; i < i_devices; i++ )
{
ParseDevice( p_sd, devices[ i ] );
}
}
while( !p_sd->b_die )
{
msleep( 100000 );
}
}
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