dvb.h
资源名称:vlc-1.0.5.zip [点击查看]
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上传日期:2020-07-06
资源大小:29949k
文件大小:7k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * 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++ )
- {
- FREENULL( 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( char *psz_instring, size_t i_length );
- #ifdef ENABLE_HTTPD
- int HTTPOpen( access_t *p_access );
- void HTTPClose( access_t *p_access );
- char *HTTPExtractValue( 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