324 lines
7.5 KiB
C
324 lines
7.5 KiB
C
/*
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* TV Input - Linux DVB interface
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* Copyright (C) 2007 Andreas Öman
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef DVB_H_
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#define DVB_H_
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#include <linux/dvb/version.h>
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#include <linux/dvb/frontend.h>
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#include "htsmsg.h"
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TAILQ_HEAD(th_dvb_adapter_queue, th_dvb_adapter);
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RB_HEAD(th_dvb_mux_instance_tree, th_dvb_mux_instance);
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TAILQ_HEAD(th_dvb_mux_instance_queue, th_dvb_mux_instance);
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LIST_HEAD(th_dvb_mux_instance_list, th_dvb_mux_instance);
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TAILQ_HEAD(dvb_satconf_queue, dvb_satconf);
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/**
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* Satconf
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*/
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typedef struct dvb_satconf {
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char *sc_id;
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TAILQ_ENTRY(dvb_satconf) sc_adapter_link;
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int sc_port; // diseqc switchport (0 - 15)
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char *sc_name;
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char *sc_comment;
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char *sc_lnb;
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struct th_dvb_mux_instance_list sc_tdmis;
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} dvb_satconf_t;
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enum polarisation {
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POLARISATION_HORIZONTAL = 0x00,
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POLARISATION_VERTICAL = 0x01,
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POLARISATION_CIRCULAR_LEFT = 0x02,
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POLARISATION_CIRCULAR_RIGHT = 0x03
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};
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#define DVB_FEC_ERROR_LIMIT 20
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/**
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*
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*/
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typedef struct dvb_mux_conf {
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struct dvb_frontend_parameters dmc_fe_params;
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int dmc_polarisation;
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dvb_satconf_t *dmc_satconf;
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#if DVB_API_VERSION >= 5
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fe_modulation_t dmc_fe_modulation;
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fe_delivery_system_t dmc_fe_delsys;
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fe_rolloff_t dmc_fe_rolloff;
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#endif
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} dvb_mux_conf_t;
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/**
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* DVB Mux instance
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*/
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typedef struct th_dvb_mux_instance {
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RB_ENTRY(th_dvb_mux_instance) tdmi_global_link;
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LIST_ENTRY(th_dvb_mux_instance) tdmi_adapter_link;
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LIST_ENTRY(th_dvb_mux_instance) tdmi_adapter_hash_link;
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struct th_dvb_adapter *tdmi_adapter;
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uint16_t tdmi_snr, tdmi_signal;
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uint32_t tdmi_ber, tdmi_uncorrected_blocks;
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#define TDMI_FEC_ERR_HISTOGRAM_SIZE 10
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uint32_t tdmi_fec_err_histogram[TDMI_FEC_ERR_HISTOGRAM_SIZE];
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int tdmi_fec_err_ptr;
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time_t tdmi_time;
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LIST_HEAD(, th_dvb_table) tdmi_tables;
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TAILQ_HEAD(, th_dvb_table) tdmi_table_queue;
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int64_t tdmi_table_start;
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int tdmi_table_initial;
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enum {
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TDMI_FE_UNKNOWN,
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TDMI_FE_NO_SIGNAL,
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TDMI_FE_FAINT_SIGNAL,
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TDMI_FE_BAD_SIGNAL,
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TDMI_FE_CONSTANT_FEC,
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TDMI_FE_BURSTY_FEC,
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TDMI_FE_OK,
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} tdmi_fe_status;
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int tdmi_quality;
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int tdmi_enabled;
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time_t tdmi_got_adapter;
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time_t tdmi_lost_adapter;
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dvb_mux_conf_t tdmi_conf;
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/* Linked if tdmi_conf.tmc_sc != NULL */
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LIST_ENTRY(th_dvb_mux_instance) tdmi_satconf_link;
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uint16_t tdmi_transport_stream_id;
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char *tdmi_identifier;
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char *tdmi_network; /* Name of network, from NIT table */
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struct th_transport_list tdmi_transports; /* via tht_mux_link */
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TAILQ_ENTRY(th_dvb_mux_instance) tdmi_scan_link;
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struct th_dvb_mux_instance_queue *tdmi_scan_queue;
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} th_dvb_mux_instance_t;
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/**
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* DVB Adapter (one of these per physical adapter)
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*/
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#define TDA_MUX_HASH_WIDTH 101
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typedef struct th_dvb_adapter {
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TAILQ_ENTRY(th_dvb_adapter) tda_global_link;
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struct th_dvb_mux_instance_list tda_muxes;
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struct th_dvb_mux_instance_queue tda_scan_queues[2];
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int tda_scan_selector;
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struct th_dvb_mux_instance_queue tda_initial_scan_queue;
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int tda_initial_num_mux;
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th_dvb_mux_instance_t *tda_mux_current;
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int tda_table_epollfd;
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const char *tda_rootpath;
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char *tda_identifier;
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uint32_t tda_autodiscovery;
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uint32_t tda_idlescan;
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uint32_t tda_logging;
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char *tda_displayname;
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int tda_fe_fd;
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int tda_type;
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struct dvb_frontend_info *tda_fe_info;
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char *tda_demux_path;
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char *tda_dvr_path;
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gtimer_t tda_mux_scanner_timer;
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pthread_mutex_t tda_delivery_mutex;
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struct th_transport_list tda_transports; /* Currently bound transports */
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gtimer_t tda_fe_monitor_timer;
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int tda_fe_monitor_hold;
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int tda_sat; // Set if this adapter is a satellite receiver (DVB-S, etc)
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struct dvb_satconf_queue tda_satconfs;
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struct th_dvb_mux_instance_list tda_mux_hash[TDA_MUX_HASH_WIDTH];
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} th_dvb_adapter_t;
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extern struct th_dvb_adapter_queue dvb_adapters;
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extern struct th_dvb_mux_instance_tree dvb_muxes;
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void dvb_init(void);
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/**
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* DVB Adapter
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*/
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void dvb_adapter_init(void);
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void dvb_adapter_mux_scanner(void *aux);
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void dvb_adapter_set_displayname(th_dvb_adapter_t *tda, const char *s);
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void dvb_adapter_set_auto_discovery(th_dvb_adapter_t *tda, int on);
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void dvb_adapter_set_idlescan(th_dvb_adapter_t *tda, int on);
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void dvb_adapter_set_logging(th_dvb_adapter_t *tda, int on);
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void dvb_adapter_clone(th_dvb_adapter_t *dst, th_dvb_adapter_t *src);
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void dvb_adapter_clean(th_dvb_adapter_t *tda);
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int dvb_adapter_destroy(th_dvb_adapter_t *tda);
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void dvb_adapter_notify(th_dvb_adapter_t *tda);
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htsmsg_t *dvb_adapter_build_msg(th_dvb_adapter_t *tda);
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htsmsg_t *dvb_fe_opts(th_dvb_adapter_t *tda, const char *which);
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/**
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* DVB Multiplex
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*/
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void dvb_mux_save(th_dvb_mux_instance_t *tdmi);
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void dvb_mux_load(th_dvb_adapter_t *tda);
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void dvb_mux_destroy(th_dvb_mux_instance_t *tdmi);
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th_dvb_mux_instance_t *dvb_mux_create(th_dvb_adapter_t *tda,
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const struct dvb_mux_conf *dmc,
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uint16_t tsid, const char *network,
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const char *logprefix, int enabled,
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const char *identifier);
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void dvb_mux_set_networkname(th_dvb_mux_instance_t *tdmi, const char *name);
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void dvb_mux_set_tsid(th_dvb_mux_instance_t *tdmi, uint16_t tsid);
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void dvb_mux_set_enable(th_dvb_mux_instance_t *tdmi, int enabled);
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void dvb_mux_set_satconf(th_dvb_mux_instance_t *tdmi, const char *scid,
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int save);
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htsmsg_t *dvb_mux_build_msg(th_dvb_mux_instance_t *tdmi);
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void dvb_mux_notify(th_dvb_mux_instance_t *tdmi);
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const char *dvb_mux_add_by_params(th_dvb_adapter_t *tda,
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int freq,
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int symrate,
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int bw,
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int constellation,
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int tmode,
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int guard,
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int hier,
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int fechi,
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int feclo,
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int fec,
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int polarisation,
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const char *satconf);
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int dvb_mux_copy(th_dvb_adapter_t *dst, th_dvb_mux_instance_t *tdmi_src);
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/**
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* DVB Transport (aka DVB service)
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*/
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void dvb_transport_load(th_dvb_mux_instance_t *tdmi);
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th_transport_t *dvb_transport_find(th_dvb_mux_instance_t *tdmi,
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uint16_t sid, int pmt_pid,
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const char *identifier);
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void dvb_transport_notify(th_transport_t *t);
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void dvb_transport_notify_by_adapter(th_dvb_adapter_t *tda);
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htsmsg_t *dvb_transport_build_msg(th_transport_t *t);
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/**
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* DVB Frontend
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*/
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void dvb_fe_tune(th_dvb_mux_instance_t *tdmi, const char *reason);
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void dvb_fe_stop(th_dvb_mux_instance_t *tdmi);
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/**
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* DVB Tables
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*/
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void dvb_table_init(th_dvb_adapter_t *tda);
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void dvb_table_add_default(th_dvb_mux_instance_t *tdmi);
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void dvb_table_add_transport(th_dvb_mux_instance_t *tdmi, th_transport_t *t,
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int pmt_pid);
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void dvb_table_flush_all(th_dvb_mux_instance_t *tdmi);
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/**
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* Satellite configuration
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*/
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void dvb_satconf_init(th_dvb_adapter_t *tda);
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htsmsg_t *dvb_satconf_list(th_dvb_adapter_t *tda);
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htsmsg_t *dvb_lnblist_get(void);
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dvb_satconf_t *dvb_satconf_entry_find(th_dvb_adapter_t *tda,
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const char *id, int create);
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void dvb_lnb_get_frequencies(const char *id,
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int *f_low, int *f_hi, int *f_switch);
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#endif /* DVB_H_ */
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