/***************************************************************************** * 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. *****************************************************************************//***************************************************************************** * 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 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 5typedef struct en50221_mmi_object_t{    int i_object_type;    union    {        struct        {            vlc_bool_t b_blind;            char *psz_text;        } enq;        struct        {            vlc_bool_t 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;#define FREE( x )                                                           \    if ( x != NULL )                                                        \        free( x );    switch ( p_object->i_object_type )    {    case EN50221_MMI_ENQ:        FREE( p_object->u.enq.psz_text );        break;    case EN50221_MMI_ANSW:        if ( p_object->u.answ.b_ok )        {            FREE( p_object->u.answ.psz_answ );        }        break;    case EN50221_MMI_MENU:    case EN50221_MMI_LIST:        FREE( p_object->u.menu.psz_title );        FREE( p_object->u.menu.psz_subtitle );        FREE( 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] );        }        FREE( p_object->u.menu.ppsz_choices );        break;    default:        break;    }#undef FREE}#define MAX_DEMUX 256#define MAX_CI_SLOTS 16#define MAX_SESSIONS 32#define MAX_PROGRAMS 24struct access_sys_t{    int i_handle, i_frontend_handle;    demux_handle_t p_demux_handles[MAX_DEMUX];    frontend_t *p_frontend;    vlc_bool_t b_budget_mode;    /* CA management */    int i_ca_handle;    int i_ca_type;    int i_nb_slots;    vlc_bool_t pb_active_slot[MAX_CI_SLOTS];    vlc_bool_t pb_tc_has_data[MAX_CI_SLOTS];    vlc_bool_t pb_slot_mmi_expected[MAX_CI_SLOTS];    vlc_bool_t 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;#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;    vlc_bool_t          b_request_frontend_info, b_request_mmi_info;    char                *psz_frontend_info, *psz_mmi_info;    char                *psz_request;#endif};#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  E_(FrontendOpen)( access_t * );void E_(FrontendPoll)( access_t *p_access );int  E_(FrontendSet)( access_t * );void E_(FrontendClose)( access_t * );#ifdef ENABLE_HTTPDvoid E_(FrontendStatus)( access_t * );#endifint E_(DMXSetFilter)( access_t *, int i_pid, int * pi_fd, int i_type );int E_(DMXUnsetFilter)( access_t *, int i_fd );int  E_(DVROpen)( access_t * );void E_(DVRClose)( access_t * );int  E_(CAMOpen)( access_t * );int  E_(CAMPoll)( access_t * );int  E_(CAMSet)( access_t *, dvbpsi_pmt_t * );void E_(CAMClose)( access_t * );#ifdef ENABLE_HTTPDvoid E_(CAMStatus)( access_t * );#endifint E_(en50221_Init)( access_t * );int E_(en50221_Poll)( access_t * );int E_(en50221_SetCAPMT)( access_t *, dvbpsi_pmt_t * );int E_(en50221_OpenMMI)( access_t * p_access, int i_slot );int E_(en50221_CloseMMI)( access_t * p_access, int i_slot );en50221_mmi_object_t *E_(en50221_GetMMIObject)( access_t * p_access,                                                int i_slot );void E_(en50221_SendMMIObject)( access_t * p_access, int i_slot,                                en50221_mmi_object_t *p_object );void E_(en50221_End)( access_t * );#ifdef ENABLE_HTTPDint E_(HTTPOpen)( access_t *p_access );void E_(HTTPClose)( access_t *p_access );char *E_(HTTPExtractValue)( char *psz_uri, const char *psz_name,                            char *psz_value, int i_value_max );#endif