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/*****************************************************************************
* dvb.h : functions to control a DVB card under Linux with v4l2
*****************************************************************************
* Copyright (C) 1998-2005 the VideoLAN team
*
* Authors: Johan Bilien <jobi@via.ecp.fr>
* Jean-Paul Saman <jpsaman _at_ videolan _dot_ org>
* Christopher Ross <chris@tebibyte.org>
* Christophe Massiot <massiot@via.ecp.fr>
*
* 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.
*****************************************************************************/
#include "scan.h"
/*****************************************************************************
* Devices location
*****************************************************************************/
#define DMX "/dev/dvb/adapter%d/demux%d"
#define FRONTEND "/dev/dvb/adapter%d/frontend%d"
#define DVR "/dev/dvb/adapter%d/dvr%d"
#define CA "/dev/dvb/adapter%d/ca%d"
/*****************************************************************************
* Local structures
*****************************************************************************/
typedef struct demux_handle_t
{
int i_pid;
int i_handle;
int i_type;
} demux_handle_t;
typedef struct frontend_t frontend_t;
typedef struct
{
int i_snr; /**< Signal Noise ratio */
int i_ber; /**< Bitrate error ratio */
int i_signal_strenth; /**< Signal strength */
} frontend_statistic_t;
typedef struct
{
bool b_has_signal;
bool b_has_carrier;
bool b_has_lock;
} frontend_status_t;
typedef struct en50221_session_t
{
int i_slot;
int i_resource_id;
void (* pf_handle)( access_t *, int, uint8_t *, int );
void (* pf_close)( access_t *, int );
void (* pf_manage)( access_t *, int );
void *p_sys;
} en50221_session_t;
#define EN50221_MMI_NONE 0
#define EN50221_MMI_ENQ 1
#define EN50221_MMI_ANSW 2
#define EN50221_MMI_MENU 3
#define EN50221_MMI_MENU_ANSW 4
#define EN50221_MMI_LIST 5
typedef struct en50221_mmi_object_t
{
int i_object_type;
union
{
struct
{
bool b_blind;
char *psz_text;
} enq;
struct
{
bool b_ok;
char *psz_answ;
} answ;
struct
{
char *psz_title, *psz_subtitle, *psz_bottom;
char **ppsz_choices;
int i_choices;
} menu; /* menu and list are the same */
struct
{
int i_choice;
} menu_answ;
} u;
} en50221_mmi_object_t;
static __inline__ void en50221_MMIFree( en50221_mmi_object_t *p_object )
{
int i;
switch ( p_object->i_object_type )
{
case EN50221_MMI_ENQ:
FREENULL( p_object->u.enq.psz_text );
break;
case EN50221_MMI_ANSW:
if ( p_object->u.answ.b_ok )
{
FREENULL( p_object->u.answ.psz_answ );
}
break;
case EN50221_MMI_MENU:
case EN50221_MMI_LIST:
FREENULL( p_object->u.menu.psz_title );
FREENULL( p_object->u.menu.psz_subtitle );
FREENULL( p_object->u.menu.psz_bottom );
for ( i = 0; i < p_object->u.menu.i_choices; i++ )
{
free( p_object->u.menu.ppsz_choices[i] );
}
FREENULL( p_object->u.menu.ppsz_choices );
break;
default:
break;
}
}
#define MAX_DEMUX 256
#define MAX_CI_SLOTS 16
#define MAX_SESSIONS 32
#define MAX_PROGRAMS 24
struct access_sys_t
{
int i_handle, i_frontend_handle;
demux_handle_t p_demux_handles[MAX_DEMUX];
frontend_t *p_frontend;
bool b_budget_mode;
bool b_scan_mode;
/* CA management */
int i_ca_handle;
int i_ca_type;
int i_nb_slots;
bool pb_active_slot[MAX_CI_SLOTS];
bool pb_tc_has_data[MAX_CI_SLOTS];
bool pb_slot_mmi_expected[MAX_CI_SLOTS];
bool pb_slot_mmi_undisplayed[MAX_CI_SLOTS];
en50221_session_t p_sessions[MAX_SESSIONS];
mtime_t i_ca_timeout, i_ca_next_event, i_frontend_timeout;
dvbpsi_pmt_t *pp_selected_programs[MAX_PROGRAMS];
int i_selected_programs;
/* */
int i_read_once;
int i_stat_counter;
#ifdef ENABLE_HTTPD
/* Local HTTP server */
httpd_host_t *p_httpd_host;
httpd_file_sys_t *p_httpd_file;
httpd_redirect_t *p_httpd_redir;
vlc_mutex_t httpd_mutex;
vlc_cond_t httpd_cond;
mtime_t i_httpd_timeout;
bool b_request_frontend_info, b_request_mmi_info;
char *psz_frontend_info, *psz_mmi_info;
char *psz_request;
#endif
/* Scan */
scan_t scan;
};
#define VIDEO0_TYPE 1
#define AUDIO0_TYPE 2
#define TELETEXT0_TYPE 3
#define SUBTITLE0_TYPE 4
#define PCR0_TYPE 5
#define TYPE_INTERVAL 5
#define OTHER_TYPE 21
/*****************************************************************************
* Prototypes
*****************************************************************************/
int FrontendOpen( access_t * );
void FrontendPoll( access_t *p_access );
int FrontendSet( access_t * );
void FrontendClose( access_t * );
#ifdef ENABLE_HTTPD
void FrontendStatus( access_t * );
#endif
int FrontendGetStatistic( access_t *, frontend_statistic_t * );
void FrontendGetStatus( access_t *, frontend_status_t * );
int FrontendGetScanParameter( access_t *, scan_parameter_t * );
int DMXSetFilter( access_t *, int i_pid, int * pi_fd, int i_type );
int DMXUnsetFilter( access_t *, int i_fd );
int DVROpen( access_t * );
void DVRClose( access_t * );
int CAMOpen( access_t * );
int CAMPoll( access_t * );
int CAMSet( access_t *, dvbpsi_pmt_t * );
void CAMClose( access_t * );
#ifdef ENABLE_HTTPD
void CAMStatus( access_t * );
#endif
int en50221_Init( access_t * );
int en50221_Poll( access_t * );
int en50221_SetCAPMT( access_t *, dvbpsi_pmt_t * );
int en50221_OpenMMI( access_t * p_access, int i_slot );
int en50221_CloseMMI( access_t * p_access, int i_slot );
en50221_mmi_object_t *en50221_GetMMIObject( access_t * p_access,
int i_slot );
void en50221_SendMMIObject( access_t * p_access, int i_slot,
en50221_mmi_object_t *p_object );
void en50221_End( access_t * );
char *dvbsi_to_utf8( const char *psz_instring, size_t i_length );
#ifdef ENABLE_HTTPD
int HTTPOpen( access_t *p_access );
void HTTPClose( access_t *p_access );
const char *HTTPExtractValue( const char *psz_uri, const char *psz_name,
char *psz_value, int i_value_max );
#endif
/*****************************************************************************
* Hacks
*****************************************************************************/
#define STRINGIFY( z ) UGLY_KLUDGE( z )
#define UGLY_KLUDGE( z ) #z
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