dvb.h
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上传日期:2009-03-27
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- /*****************************************************************************
- * dvb.h : functions to control a DVB card under Linux with v4l2
- *****************************************************************************
- * Copyright (C) 1998-2004 VideoLAN
- *
- * Authors: Johan Bilien <jobi@via.ecp.fr>
- * Jean-Paul Saman <jpsaman@saman>
- * 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
- {
- int i_pid;
- int i_handle;
- int i_type;
- } demux_handle_t;
- typedef struct frontend_t frontend_t;
- typedef struct
- {
- 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 MAX_DEMUX 48
- #define MAX_CI_SLOTS 16
- #define MAX_SESSIONS 32
- struct access_sys_t
- {
- int i_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_nb_slots;
- vlc_bool_t pb_active_slot[MAX_CI_SLOTS];
- vlc_bool_t pb_tc_has_data[MAX_CI_SLOTS];
- en50221_session_t p_sessions[MAX_SESSIONS];
- mtime_t i_ca_timeout, i_ca_next_event;
- uint8_t **pp_capmts;
- int i_nb_capmts;
- };
- #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 * );
- int E_(FrontendSet)( access_t * );
- void E_(FrontendClose)( access_t * );
- int 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 *, uint8_t **, int );
- void E_(CAMClose)( access_t * );
- int E_(en50221_Poll)( access_t * );
- int E_(en50221_SetCAPMT)( access_t *, uint8_t **, int );
- void E_(en50221_End)( access_t * );