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/*
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* Electronic Program Guide - Common functions
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* Copyright (C) 2007 Andreas ?man
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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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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <regex.h>
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#include <assert.h>
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#include <stdint.h>
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#include "tvheadend.h"
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#include "channels.h"
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#include "settings.h"
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#include "epg.h"
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#include "dvr/dvr.h"
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#include "htsp.h"
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#include "htsmsg_binary.h"
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36
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#define EPG_MAX_AGE 86400
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38
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#define EPG_GLOBAL_HASH_WIDTH 1024
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#define EPG_GLOBAL_HASH_MASK (EPG_GLOBAL_HASH_WIDTH - 1)
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static struct event_list epg_hash[EPG_GLOBAL_HASH_WIDTH];
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static void epg_expire_event_from_channel(void *opauqe);
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static void epg_ch_check_current_event(void *aux);
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/* helper function to fuzzy compare two events */
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static int epg_event_cmp_overlap(event_t *e1, event_t *e2);
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static void epg_erase_duplicates(event_t *e, channel_t *ch);
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48
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49
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static int
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e_ch_cmp(const event_t *a, const event_t *b)
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{
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return a->e_start - b->e_start;
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}
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/**
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*
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*/
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static void
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epg_set_current(channel_t *ch, event_t *e, event_t *next)
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{
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if(next == NULL && e != NULL)
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next = RB_NEXT(e, e_channel_link);
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64
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if(ch->ch_epg_current == e && ch->ch_epg_next == next)
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return;
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67
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ch->ch_epg_current = e;
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ch->ch_epg_next = next;
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if(e != NULL)
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gtimer_arm_abs(&ch->ch_epg_timer_current, epg_ch_check_current_event,
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ch, MAX(e->e_stop, dispatch_clock + 1));
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htsp_channel_update_current(ch);
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}
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/**
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*
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*/
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static void
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epg_ch_check_current_event(void *aux)
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{
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channel_t *ch = aux;
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event_t skel, *e = ch->ch_epg_current;
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if(e != NULL) {
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if(e->e_start <= dispatch_clock && e->e_stop > dispatch_clock) {
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epg_set_current(ch, e, NULL);
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return;
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}
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if((e = RB_NEXT(e, e_channel_link)) != NULL) {
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if(e->e_start <= dispatch_clock && e->e_stop > dispatch_clock) {
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epg_set_current(ch, e, NULL);
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return;
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}
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}
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}
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e = epg_event_find_by_time(ch, dispatch_clock);
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if(e != NULL) {
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epg_set_current(ch, e, NULL);
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return;
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}
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skel.e_start = dispatch_clock;
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e = RB_FIND_GT(&ch->ch_epg_events, &skel, e_channel_link, e_ch_cmp);
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if(e != NULL) {
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gtimer_arm_abs(&ch->ch_epg_timer_current, epg_ch_check_current_event,
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ch, MAX(e->e_start, dispatch_clock + 1));
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epg_set_current(ch, NULL, e);
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} else {
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epg_set_current(ch, NULL, NULL);
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}
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}
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/**
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*
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*/
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void
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epg_event_updated(event_t *e)
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{
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dvr_autorec_check_event(e);
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}
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126
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/**
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*
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*/
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int
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epg_event_set_title(event_t *e, const char *title)
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{
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if(e->e_title != NULL && !strcmp(e->e_title, title))
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return 0;
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free(e->e_title);
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e->e_title = strdup(title);
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return 1;
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}
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139
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140
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/**
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*
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*/
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int
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epg_event_set_desc(event_t *e, const char *desc)
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{
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if(e->e_desc != NULL && strlen(e->e_desc) >= strlen(desc)) {
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/* The current description is longer than the one we try to set.
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* We assume that a longer description is better than a shorter
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* so we just bail out.
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* Typically happens when the XMLTV and DVB EPG feed differs.
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*/
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return 0;
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}
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free(e->e_desc);
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e->e_desc = strdup(desc);
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return 1;
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158
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}
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159
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160
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/**
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*
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*/
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int
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epg_event_set_ext_desc(event_t *e, int ext_dn, const char *desc)
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{
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if(e->e_ext_desc == NULL && ext_dn != 0)
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return 0;
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if(e->e_ext_desc != NULL && strstr(e->e_ext_desc, desc))
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return 0;
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int len = strlen(desc) + ( e->e_ext_desc ? strlen(e->e_ext_desc) : 0) + 1;
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char *tmp = (char*)malloc(len);
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173
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if(e->e_ext_desc) {
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strcpy(tmp, e->e_ext_desc);
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strcat(tmp, desc);
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free(e->e_ext_desc);
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} else
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strcpy(tmp, desc);
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e->e_ext_desc = tmp;
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return 1;
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}
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/**
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*
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*/
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int
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epg_event_set_ext_item(event_t *e, int ext_dn, const char *item)
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{
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if(e->e_ext_item == NULL && ext_dn != 0)
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return 0;
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if(e->e_ext_item != NULL && strstr(e->e_ext_item, item))
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return 0;
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int len = strlen(item) + ( e->e_ext_item ? strlen(e->e_ext_item) : 0) + 1;
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char *tmp = (char*)malloc(len);
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198
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if(e->e_ext_item) {
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strcpy(tmp, e->e_ext_item);
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strcat(tmp, item);
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free(e->e_ext_item);
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} else
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strcpy(tmp, item);
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e->e_ext_item = tmp;
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return 1;
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}
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/**
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*
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*/
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int
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epg_event_set_ext_text(event_t *e, int ext_dn, const char *text)
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{
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if(e->e_ext_text == NULL && ext_dn != 0)
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return 0;
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if(e->e_ext_text != NULL && strstr(e->e_ext_text, text))
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return 0;
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int len = strlen(text) + ( e->e_ext_text ? strlen(e->e_ext_text) : 0) + 1;
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char *tmp = (char*)malloc(len);
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if(e->e_ext_text) {
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strcpy(tmp, e->e_ext_text);
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strcat(tmp, text);
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free(e->e_ext_text);
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} else
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strcpy(tmp, text);
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230
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e->e_ext_text = tmp;
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return 1;
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}
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234
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235
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/**
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236
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*
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237
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*/
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int
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epg_event_set_content_type(event_t *e, uint8_t type)
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{
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241
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if(e->e_content_type == type)
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return 0;
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243
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244
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e->e_content_type = type;
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return 1;
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246
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}
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247
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248
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249
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/**
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250
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*
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251
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*/
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int
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253
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epg_event_set_episode(event_t *e, epg_episode_t *ee)
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254
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{
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255
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if(e->e_episode.ee_season == ee->ee_season &&
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256
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e->e_episode.ee_episode == ee->ee_episode &&
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257
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e->e_episode.ee_part == ee->ee_part &&
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258
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!strcmp(e->e_episode.ee_onscreen ?: "", ee->ee_onscreen ?: ""))
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259
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return 0;
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260
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261
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e->e_episode.ee_season = ee->ee_season;
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262
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e->e_episode.ee_episode = ee->ee_episode;
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263
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e->e_episode.ee_part = ee->ee_part;
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264
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265
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tvh_str_set(&e->e_episode.ee_onscreen, ee->ee_onscreen);
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266
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return 1;
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267
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}
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268
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|
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269
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|
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270
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/**
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271
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*
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272
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*/
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273
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static void
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274
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epg_event_destroy(event_t *e)
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275
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{
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276
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free(e->e_title);
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277
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free(e->e_desc);
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278
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free(e->e_ext_desc);
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279
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free(e->e_ext_item);
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280
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free(e->e_ext_text);
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281
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free(e->e_episode.ee_onscreen);
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282
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LIST_REMOVE(e, e_global_link);
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283
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free(e);
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284
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}
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285
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|
|
286
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/**
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287
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*
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|
288
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*/
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289
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static void
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290
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epg_event_unref(event_t *e)
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291
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{
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292
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if(e->e_refcount > 1) {
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293
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e->e_refcount--;
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294
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return;
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|
295
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}
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296
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assert(e->e_refcount == 1);
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297
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epg_event_destroy(e);
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298
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}
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299
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|
|
300
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/**
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|
301
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*
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302
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*/
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303
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static void
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304
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epg_remove_event_from_channel(channel_t *ch, event_t *e)
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305
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{
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306
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int wasfirst = e == RB_FIRST(&ch->ch_epg_events);
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307
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event_t *n = RB_NEXT(e, e_channel_link);
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308
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|
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309
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assert(e->e_channel == ch);
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310
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311
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RB_REMOVE(&ch->ch_epg_events, e, e_channel_link);
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312
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e->e_channel = NULL;
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313
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epg_event_unref(e);
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314
|
|
|
315
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if(ch->ch_epg_current == e) {
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316
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epg_set_current(ch, NULL, n);
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317
|
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318
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if(n != NULL)
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319
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gtimer_arm_abs(&ch->ch_epg_timer_current, epg_ch_check_current_event,
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320
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ch, n->e_start);
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321
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} else if(ch->ch_epg_next == e) {
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322
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epg_set_current(ch, ch->ch_epg_current, NULL);
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323
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}
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324
|
|
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325
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if(wasfirst && (e = RB_FIRST(&ch->ch_epg_events)) != NULL) {
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326
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gtimer_arm_abs(&ch->ch_epg_timer_head, epg_expire_event_from_channel,
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327
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ch, e->e_stop);
|
|
328
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}
|
|
329
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}
|
|
330
|
|
|
331
|
|
|
332
|
/**
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|
333
|
*
|
|
334
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*/
|
|
335
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event_t *
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336
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epg_event_create(channel_t *ch, time_t start, time_t stop, int dvb_id,
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337
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int *created)
|
|
338
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{
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|
339
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static event_t *skel;
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|
340
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event_t *e;
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341
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static int tally;
|
|
342
|
|
|
343
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if(created != NULL)
|
|
344
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*created = 0;
|
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345
|
|
|
346
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if((stop - start) > 11 * 3600)
|
|
347
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return NULL;
|
|
348
|
|
|
349
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if(stop <= start)
|
|
350
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return NULL;
|
|
351
|
|
|
352
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lock_assert(&global_lock);
|
|
353
|
|
|
354
|
if(skel == NULL)
|
|
355
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skel = calloc(1, sizeof(event_t));
|
|
356
|
|
|
357
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skel->e_start = start;
|
|
358
|
|
|
359
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e = RB_INSERT_SORTED(&ch->ch_epg_events, skel, e_channel_link, e_ch_cmp);
|
|
360
|
if(e == NULL) {
|
|
361
|
/* New entry was inserted */
|
|
362
|
|
|
363
|
if(created != NULL)
|
|
364
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*created = 1;
|
|
365
|
|
|
366
|
e = skel;
|
|
367
|
skel = NULL;
|
|
368
|
|
|
369
|
e->e_id = ++tally;
|
|
370
|
e->e_stop = stop;
|
|
371
|
e->e_dvb_id = dvb_id;
|
|
372
|
|
|
373
|
LIST_INSERT_HEAD(&epg_hash[e->e_id & EPG_GLOBAL_HASH_MASK], e,
|
|
374
|
e_global_link);
|
|
375
|
|
|
376
|
e->e_refcount = 1;
|
|
377
|
e->e_channel = ch;
|
|
378
|
|
|
379
|
if(e == RB_FIRST(&ch->ch_epg_events)) {
|
|
380
|
/* First in temporal order, arm expiration timer */
|
|
381
|
|
|
382
|
gtimer_arm_abs(&ch->ch_epg_timer_head, epg_expire_event_from_channel,
|
|
383
|
ch, e->e_stop);
|
|
384
|
}
|
|
385
|
|
|
386
|
|
|
387
|
|
|
388
|
if(ch->ch_epg_timer_current.gti_callback == NULL ||
|
|
389
|
start < ch->ch_epg_timer_current.gti_expire) {
|
|
390
|
|
|
391
|
gtimer_arm_abs(&ch->ch_epg_timer_current, epg_ch_check_current_event,
|
|
392
|
ch, e->e_start);
|
|
393
|
}
|
|
394
|
} else {
|
|
395
|
/* Already exist */
|
|
396
|
|
|
397
|
if(stop > e->e_stop) {
|
|
398
|
/* We allow the event to extend in time */
|
|
399
|
#if 0
|
|
400
|
printf("Event %s on %s extended stop time\n", e->e_title,
|
|
401
|
e->e_channel->ch_name);
|
|
402
|
printf("Previous %s", ctime(&e->e_stop));
|
|
403
|
printf(" New %s", ctime(&stop));
|
|
404
|
#endif
|
|
405
|
e->e_stop = stop;
|
|
406
|
|
|
407
|
if(e == ch->ch_epg_current) {
|
|
408
|
gtimer_arm_abs(&ch->ch_epg_timer_current, epg_ch_check_current_event,
|
|
409
|
ch, e->e_start);
|
|
410
|
}
|
|
411
|
}
|
|
412
|
}
|
|
413
|
|
|
414
|
epg_erase_duplicates(e, ch);
|
|
415
|
return e;
|
|
416
|
}
|
|
417
|
|
|
418
|
static void
|
|
419
|
epg_erase_duplicates(event_t *e, channel_t *ch) {
|
|
420
|
|
|
421
|
event_t *p, *n;
|
|
422
|
int dvb_id = e->e_dvb_id;
|
|
423
|
|
|
424
|
if(dvb_id != -1) {
|
|
425
|
/* Erase any close events with the same DVB event id or are very similar*/
|
|
426
|
|
|
427
|
if((p = RB_PREV(e, e_channel_link)) != NULL) {
|
|
428
|
if(p->e_dvb_id == dvb_id || epg_event_cmp_overlap(p, e)) {
|
|
429
|
tvhlog(LOG_DEBUG, "epg",
|
|
430
|
"Removing overlapping event instance %s from EPG", p->e_title);
|
|
431
|
dvr_event_replaced(p, e);
|
|
432
|
epg_remove_event_from_channel(ch, p);
|
|
433
|
} else if((p = RB_PREV(p, e_channel_link)) != NULL) {
|
|
434
|
if(p->e_dvb_id == dvb_id || epg_event_cmp_overlap(p, e)) {
|
|
435
|
tvhlog(LOG_DEBUG, "epg",
|
|
436
|
"Removing overlapping event instance %s from EPG", p->e_title);
|
|
437
|
dvr_event_replaced(p, e);
|
|
438
|
epg_remove_event_from_channel(ch, p);
|
|
439
|
}
|
|
440
|
}
|
|
441
|
}
|
|
442
|
|
|
443
|
if((n = RB_NEXT(e, e_channel_link)) != NULL) {
|
|
444
|
if(n->e_dvb_id == dvb_id || epg_event_cmp_overlap(n, e)) {
|
|
445
|
tvhlog(LOG_DEBUG, "epg",
|
|
446
|
"Removing overlapping event instance %s from EPG", n->e_title);
|
|
447
|
dvr_event_replaced(n, e);
|
|
448
|
epg_remove_event_from_channel(ch, n);
|
|
449
|
} else if((n = RB_NEXT(n, e_channel_link)) != NULL) {
|
|
450
|
if(n->e_dvb_id == dvb_id || epg_event_cmp_overlap(n, e)) {
|
|
451
|
tvhlog(LOG_DEBUG, "epg",
|
|
452
|
"Removing overlapping event instance %s from EPG", n->e_title);
|
|
453
|
dvr_event_replaced(n, e);
|
|
454
|
epg_remove_event_from_channel(ch, n);
|
|
455
|
}
|
|
456
|
}
|
|
457
|
}
|
|
458
|
}
|
|
459
|
|
|
460
|
}
|
|
461
|
|
|
462
|
static int
|
|
463
|
epg_event_cmp_overlap(event_t *e1, event_t *e2)
|
|
464
|
{
|
|
465
|
|
|
466
|
int dur_a, dur_b, mindur;
|
|
467
|
|
|
468
|
if ((e1->e_title == NULL) || (e2->e_title == NULL))
|
|
469
|
return 0;
|
|
470
|
|
|
471
|
dur_a = e1->e_stop - e1->e_start;
|
|
472
|
dur_b = e2->e_stop - e2->e_start;
|
|
473
|
mindur = dur_a < dur_b ? dur_a : dur_b;
|
|
474
|
|
|
475
|
if ((abs(e1->e_start - e2->e_start) < mindur) && (abs(e1->e_stop - e2->e_stop) < mindur)) {
|
|
476
|
return 1;
|
|
477
|
}
|
|
478
|
|
|
479
|
return 0;
|
|
480
|
}
|
|
481
|
|
|
482
|
/**
|
|
483
|
*
|
|
484
|
*/
|
|
485
|
event_t *
|
|
486
|
epg_event_find_by_time(channel_t *ch, time_t t)
|
|
487
|
{
|
|
488
|
event_t skel, *e;
|
|
489
|
|
|
490
|
skel.e_start = t;
|
|
491
|
e = RB_FIND_LE(&ch->ch_epg_events, &skel, e_channel_link, e_ch_cmp);
|
|
492
|
if(e == NULL || e->e_stop < t)
|
|
493
|
return NULL;
|
|
494
|
return e;
|
|
495
|
}
|
|
496
|
|
|
497
|
|
|
498
|
/**
|
|
499
|
*
|
|
500
|
*/
|
|
501
|
event_t *
|
|
502
|
epg_event_find_by_id(int eventid)
|
|
503
|
{
|
|
504
|
event_t *e;
|
|
505
|
|
|
506
|
LIST_FOREACH(e, &epg_hash[eventid & EPG_GLOBAL_HASH_MASK], e_global_link)
|
|
507
|
if(e->e_id == eventid)
|
|
508
|
break;
|
|
509
|
return e;
|
|
510
|
}
|
|
511
|
|
|
512
|
|
|
513
|
|
|
514
|
/**
|
|
515
|
*
|
|
516
|
*/
|
|
517
|
static void
|
|
518
|
epg_expire_event_from_channel(void *opaque)
|
|
519
|
{
|
|
520
|
channel_t *ch = opaque;
|
|
521
|
event_t *e = RB_FIRST(&ch->ch_epg_events);
|
|
522
|
epg_remove_event_from_channel(ch, e);
|
|
523
|
}
|
|
524
|
|
|
525
|
|
|
526
|
/**
|
|
527
|
*
|
|
528
|
*/
|
|
529
|
void
|
|
530
|
epg_unlink_from_channel(channel_t *ch)
|
|
531
|
{
|
|
532
|
event_t *e;
|
|
533
|
|
|
534
|
while((e = ch->ch_epg_events.root) != NULL)
|
|
535
|
epg_remove_event_from_channel(ch, e);
|
|
536
|
|
|
537
|
gtimer_disarm(&ch->ch_epg_timer_head);
|
|
538
|
gtimer_disarm(&ch->ch_epg_timer_current);
|
|
539
|
|
|
540
|
}
|
|
541
|
|
|
542
|
|
|
543
|
|
|
544
|
/**
|
|
545
|
* EPG content group
|
|
546
|
*
|
|
547
|
* Based on the content types defined in EN 300 468
|
|
548
|
*/
|
|
549
|
static const char *groupnames[16] = {
|
|
550
|
[1] = "Movie / Drama",
|
|
551
|
[2] = "News / Current affairs",
|
|
552
|
[3] = "Show / Games",
|
|
553
|
[4] = "Sports",
|
|
554
|
[5] = "Children's / Youth",
|
|
555
|
[6] = "Music",
|
|
556
|
[7] = "Art / Culture",
|
|
557
|
[8] = "Social / Political issues / Economics",
|
|
558
|
[9] = "Education / Science / Factual topics",
|
|
559
|
[10] = "Leisure hobbies",
|
|
560
|
[11] = "Special characteristics",
|
|
561
|
};
|
|
562
|
|
|
563
|
static const char *groupdefinition[0xFF] = {
|
|
564
|
/* ox1Y are Movie/Drama */
|
|
565
|
[0x10] = "Movie / Drama",
|
|
566
|
[0x11] = "Detective / Thriller",
|
|
567
|
[0x12] = "Adventure / Western / War",
|
|
568
|
[0x13] = "science fiction/fantasy/horror",
|
|
569
|
[0x14] = "comedy",
|
|
570
|
[0x15] = "soap/melodrama/folkloric",
|
|
571
|
[0x16] = "romance",
|
|
572
|
[0x17] = "serious/classical/religious/historical movie/drama",
|
|
573
|
[0x18] = "Drama",
|
|
574
|
[0x19] = "film",
|
|
575
|
[0x1A] = "movie",
|
|
576
|
[0x1B] = "comedy drama",
|
|
577
|
[0x1C] = "sitcom",
|
|
578
|
[0x1D] = "entertainment",
|
|
579
|
/* 0x2Y: News / Current Affairs */
|
|
580
|
[0x20] = "News / Current Affairs",
|
|
581
|
[0x21] = "news/weather report",
|
|
582
|
[0x22] = "news magazine",
|
|
583
|
[0x23] = "documentary",
|
|
584
|
[0x24] = "discussion/interview/debate",
|
|
585
|
[0x25] = "news",
|
|
586
|
[0x26] = "current Affairs",
|
|
587
|
[0x27] = "news and current affairs",
|
|
588
|
/*0x3Y: Show/Game show */
|
|
589
|
[0x30] = "show/game show",
|
|
590
|
[0x31] = "game show/quiz/contest",
|
|
591
|
[0x32] = "variety show",
|
|
592
|
[0x33] = "talk show",
|
|
593
|
[0x34] = "game Show",
|
|
594
|
/*0x4Y: Sports */
|
|
595
|
[0x40] = "sports",
|
|
596
|
[0x41] = "special events",
|
|
597
|
[0x42] = "sports magazines",
|
|
598
|
[0x43] = "football/soccer",
|
|
599
|
[0x44] = "tennis/squash",
|
|
600
|
[0x45] = "team sports",
|
|
601
|
[0x46] = "athletics",
|
|
602
|
[0x47] = "motor sport",
|
|
603
|
[0x48] = "water sport",
|
|
604
|
[0x49] = "winter sports",
|
|
605
|
[0x4A] = "equestrian",
|
|
606
|
[0x4B] = "martial sports",
|
|
607
|
[0x4C] = "Sport",
|
|
608
|
/*0x5Y: Children's/Youth programmes */
|
|
609
|
[0x50] = "children's/youth programmes",
|
|
610
|
[0x51] = "pre-school children's programmes",
|
|
611
|
[0x52] = "entertainment programmes for 6 to 14",
|
|
612
|
[0x53] = "entertainment programmes for 10 to 16",
|
|
613
|
[0x54] = "informational/educational/school programmes",
|
|
614
|
[0x55] = "cartoons/puppets",
|
|
615
|
[0x56] = "children",
|
|
616
|
[0x57] = "animation",
|
|
617
|
/*0x6Y: Music/Ballet/Dance */
|
|
618
|
[0x60] = "music/ballet/dance",
|
|
619
|
[0x61] = "rock/pop ",
|
|
620
|
[0x62] = "serious music/classical music",
|
|
621
|
[0x63] = "folk/traditional music",
|
|
622
|
[0x64] = "jazz",
|
|
623
|
[0x65] = "musical/opera",
|
|
624
|
[0x66] = "ballet",
|
|
625
|
[0x67] = "music",
|
|
626
|
[0x68] = "music and arts",
|
|
627
|
/*0x7Y: Arts/Culture */
|
|
628
|
[0x70] = "arts/culture",
|
|
629
|
[0x71] = "performing arts",
|
|
630
|
[0x72] = "fine arts",
|
|
631
|
[0x73] = "religion",
|
|
632
|
[0x74] = "popular culture/traditional arts",
|
|
633
|
[0x75] = "literature",
|
|
634
|
[0x76] = "film/cinema",
|
|
635
|
[0x77] = "experimental film/video",
|
|
636
|
[0x78] = "broadcasting/press",
|
|
637
|
[0x79] = "new media",
|
|
638
|
[0x7A] = "arts/culture magazines",
|
|
639
|
[0x7B] = "fashion",
|
|
640
|
[0x7C] = "arts and culture",
|
|
641
|
/*0x8Y: Social/Political issues/Economics */
|
|
642
|
[0x80] = "social/political issues/economics",
|
|
643
|
[0x81] = "magazines/reports/documentary",
|
|
644
|
[0x82] = "economics/social advisory",
|
|
645
|
[0x83] = "remarkable people",
|
|
646
|
[0x84] = "Discussion/Debate",
|
|
647
|
[0x85] = "Reality",
|
|
648
|
[0x86] = "Soap",
|
|
649
|
/*0x8Y: Education/ Science/Factual topics */
|
|
650
|
[0x90] = "education/science/factual topics",
|
|
651
|
[0x91] = "nature/animals/environment",
|
|
652
|
[0x92] = "technology/natural sciences",
|
|
653
|
[0x93] = "medicine/physiology/psychology",
|
|
654
|
[0x94] = "foreign countries/expeditions",
|
|
655
|
[0x95] = "social/spiritual sciences",
|
|
656
|
[0x96] = "further education",
|
|
657
|
[0x97] = "languages",
|
|
658
|
[0x98] = "Education",
|
|
659
|
[0x99] = "sci-fi",
|
|
660
|
[0x9A] = "drama documentary",
|
|
661
|
[0x9B] = "documentary",
|
|
662
|
[0x9C] = "factual",
|
|
663
|
[0x9D] = "science",
|
|
664
|
[0x9E] = "religion",
|
|
665
|
/*0xA0: Leisure hobbies */
|
|
666
|
[0xA0] = "leisure hobbies",
|
|
667
|
[0xA1] = "tourism/travel",
|
|
668
|
[0xA2] = "handicraft",
|
|
669
|
[0xA3] = "motoring",
|
|
670
|
[0xA4] = "fitness & health",
|
|
671
|
[0xA5] = "cooking",
|
|
672
|
[0xA6] = "advertisement/shopping",
|
|
673
|
[0xA8] = "gardening",
|
|
674
|
[0xA9] = "transport",
|
|
675
|
[0xAA] = "cookery",
|
|
676
|
[0xAB] = "nature",
|
|
677
|
[0xAC] = "health",
|
|
678
|
[0xAD] = "home and property",
|
|
679
|
[0xAE] = "travel",
|
|
680
|
[0xAF] = "FOOD",
|
|
681
|
/*0xB0: Special Characteristics */
|
|
682
|
[0xB0] = "original language",
|
|
683
|
[0xB1] = "black & white",
|
|
684
|
[0xB2] = "unpublished",
|
|
685
|
[0xB3] = "live broadcast",
|
|
686
|
[0xB4] = "special characteristics",
|
|
687
|
[0xB5] = "interests",
|
|
688
|
};
|
|
689
|
|
|
690
|
|
|
691
|
|
|
692
|
/**
|
|
693
|
*
|
|
694
|
*/
|
|
695
|
const char *
|
|
696
|
epg_content_group_get_name(uint8_t id)
|
|
697
|
{
|
|
698
|
return id < 16 ? groupnames[id] : NULL;
|
|
699
|
}
|
|
700
|
|
|
701
|
/**
|
|
702
|
*
|
|
703
|
*/
|
|
704
|
uint8_t
|
|
705
|
epg_content_group_find_by_name(const char *name)
|
|
706
|
{
|
|
707
|
unsigned int i;
|
|
708
|
for(i = 0; i < 0xFF; i++) {
|
|
709
|
if(groupdefinition[i] != NULL && !strcasecmp(name, groupdefinition[i])){
|
|
710
|
int b = (i >> 4) & 0xF;
|
|
711
|
return b;
|
|
712
|
}
|
|
713
|
}
|
|
714
|
return 0;
|
|
715
|
}
|
|
716
|
/**
|
|
717
|
*
|
|
718
|
*/
|
|
719
|
static int
|
|
720
|
epg_event_create_by_msg(htsmsg_t *c, time_t now)
|
|
721
|
{
|
|
722
|
channel_t *ch;
|
|
723
|
event_t *e = NULL;
|
|
724
|
uint32_t ch_id = 0;
|
|
725
|
uint32_t e_start = 0;
|
|
726
|
uint32_t e_stop = 0;
|
|
727
|
int e_dvb_id = 0, v;
|
|
728
|
const char *s;
|
|
729
|
|
|
730
|
// Now create the event
|
|
731
|
if(htsmsg_get_u32(c, "ch_id", &ch_id))
|
|
732
|
return 0;
|
|
733
|
|
|
734
|
if((ch = channel_find_by_identifier(ch_id)) == NULL)
|
|
735
|
return 0;
|
|
736
|
|
|
737
|
if(htsmsg_get_u32(c, "start", &e_start))
|
|
738
|
return 0;
|
|
739
|
|
|
740
|
if(htsmsg_get_u32(c, "stop", &e_stop))
|
|
741
|
return 0;
|
|
742
|
|
|
743
|
if(e_stop < now)
|
|
744
|
return 0;
|
|
745
|
|
|
746
|
if(htsmsg_get_s32(c, "dvb_id", &e_dvb_id))
|
|
747
|
e_dvb_id = -1;
|
|
748
|
|
|
749
|
e = epg_event_create(ch, e_start, e_stop, e_dvb_id, NULL);
|
|
750
|
|
|
751
|
if((s = htsmsg_get_str(c, "title")) != NULL)
|
|
752
|
epg_event_set_title(e, s);
|
|
753
|
|
|
754
|
if((s = htsmsg_get_str(c, "desc")) != NULL)
|
|
755
|
epg_event_set_desc(e, s);
|
|
756
|
|
|
757
|
if(!htsmsg_get_s32(c, "season", &v))
|
|
758
|
e->e_episode.ee_season = v;
|
|
759
|
|
|
760
|
if(!htsmsg_get_s32(c, "episode", &v))
|
|
761
|
e->e_episode.ee_episode = v;
|
|
762
|
|
|
763
|
if(!htsmsg_get_s32(c, "part", &v))
|
|
764
|
e->e_episode.ee_part = v;
|
|
765
|
|
|
766
|
if((s = htsmsg_get_str(c, "epname")) != NULL)
|
|
767
|
tvh_str_set(&e->e_episode.ee_onscreen, s);
|
|
768
|
|
|
769
|
return 1;
|
|
770
|
}
|
|
771
|
|
|
772
|
|
|
773
|
/**
|
|
774
|
*
|
|
775
|
*/
|
|
776
|
static void
|
|
777
|
epg_load(void)
|
|
778
|
{
|
|
779
|
struct stat st;
|
|
780
|
int fd = hts_settings_open_file(0, "epgdb");
|
|
781
|
time_t now;
|
|
782
|
int created = 0;
|
|
783
|
|
|
784
|
time(&now);
|
|
785
|
|
|
786
|
if(fd == -1)
|
|
787
|
return;
|
|
788
|
|
|
789
|
if(fstat(fd, &st)) {
|
|
790
|
close(fd);
|
|
791
|
return;
|
|
792
|
}
|
|
793
|
uint8_t *mem = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
|
|
794
|
if(mem == MAP_FAILED) {
|
|
795
|
close(fd);
|
|
796
|
return;
|
|
797
|
}
|
|
798
|
const uint8_t *rp = mem;
|
|
799
|
size_t remain = st.st_size;
|
|
800
|
|
|
801
|
while(remain > 4) {
|
|
802
|
int msglen = (rp[0] << 24) | (rp[1] << 16) | (rp[2] << 8) | rp[3];
|
|
803
|
remain -= 4;
|
|
804
|
rp += 4;
|
|
805
|
|
|
806
|
if(msglen > remain) {
|
|
807
|
tvhlog(LOG_ERR, "EPG", "Malformed EPG database, skipping some data");
|
|
808
|
break;
|
|
809
|
}
|
|
810
|
htsmsg_t *m = htsmsg_binary_deserialize(rp, msglen, NULL);
|
|
811
|
|
|
812
|
created += epg_event_create_by_msg(m, now);
|
|
813
|
|
|
814
|
htsmsg_destroy(m);
|
|
815
|
rp += msglen;
|
|
816
|
remain -= msglen;
|
|
817
|
}
|
|
818
|
|
|
819
|
munmap(mem, st.st_size);
|
|
820
|
close(fd);
|
|
821
|
tvhlog(LOG_NOTICE, "EPG", "Injected %d event from disk database", created);
|
|
822
|
}
|
|
823
|
|
|
824
|
/**
|
|
825
|
*
|
|
826
|
*/
|
|
827
|
void
|
|
828
|
epg_init(void)
|
|
829
|
{
|
|
830
|
channel_t *ch;
|
|
831
|
|
|
832
|
epg_load();
|
|
833
|
|
|
834
|
RB_FOREACH(ch, &channel_name_tree, ch_name_link)
|
|
835
|
epg_ch_check_current_event(ch);
|
|
836
|
}
|
|
837
|
|
|
838
|
|
|
839
|
/**
|
|
840
|
* Save the epg on disk
|
|
841
|
*/
|
|
842
|
void
|
|
843
|
epg_save(void)
|
|
844
|
{
|
|
845
|
event_t *e;
|
|
846
|
int num_saved = 0;
|
|
847
|
size_t msglen;
|
|
848
|
void *msgdata;
|
|
849
|
channel_t *ch;
|
|
850
|
|
|
851
|
int fd = hts_settings_open_file(1, "epgdb");
|
|
852
|
|
|
853
|
RB_FOREACH(ch, &channel_name_tree, ch_name_link) {
|
|
854
|
RB_FOREACH(e, &ch->ch_epg_events, e_channel_link) {
|
|
855
|
if(!e->e_start || !e->e_stop)
|
|
856
|
continue;
|
|
857
|
|
|
858
|
htsmsg_t *m = htsmsg_create_map();
|
|
859
|
htsmsg_add_u32(m, "ch_id", ch->ch_id);
|
|
860
|
htsmsg_add_u32(m, "start", e->e_start);
|
|
861
|
htsmsg_add_u32(m, "stop", e->e_stop);
|
|
862
|
if(e->e_title != NULL)
|
|
863
|
htsmsg_add_str(m, "title", e->e_title);
|
|
864
|
if(e->e_desc != NULL)
|
|
865
|
htsmsg_add_str(m, "desc", e->e_desc);
|
|
866
|
if(e->e_dvb_id)
|
|
867
|
htsmsg_add_u32(m, "dvb_id", e->e_dvb_id);
|
|
868
|
|
|
869
|
if(e->e_episode.ee_season)
|
|
870
|
htsmsg_add_u32(m, "season", e->e_episode.ee_season);
|
|
871
|
|
|
872
|
if(e->e_episode.ee_episode)
|
|
873
|
htsmsg_add_u32(m, "episode", e->e_episode.ee_episode);
|
|
874
|
|
|
875
|
if(e->e_episode.ee_part)
|
|
876
|
htsmsg_add_u32(m, "part", e->e_episode.ee_part);
|
|
877
|
|
|
878
|
if(e->e_episode.ee_onscreen)
|
|
879
|
htsmsg_add_str(m, "epname", e->e_episode.ee_onscreen);
|
|
880
|
|
|
881
|
|
|
882
|
int r = htsmsg_binary_serialize(m, &msgdata, &msglen, 0x10000);
|
|
883
|
htsmsg_destroy(m);
|
|
884
|
|
|
885
|
if(!r) {
|
|
886
|
ssize_t written = write(fd, msgdata, msglen);
|
|
887
|
int err = errno;
|
|
888
|
free(msgdata);
|
|
889
|
if(written != msglen) {
|
|
890
|
tvhlog(LOG_DEBUG, "epg", "Failed to store EPG on disk -- %s",
|
|
891
|
strerror(err));
|
|
892
|
close(fd);
|
|
893
|
hts_settings_remove("epgdb");
|
|
894
|
return;
|
|
895
|
}
|
|
896
|
}
|
|
897
|
num_saved++;
|
|
898
|
}
|
|
899
|
}
|
|
900
|
close(fd);
|
|
901
|
tvhlog(LOG_DEBUG, "EPG", "Stored EPG data for %d events on disk", num_saved);
|
|
902
|
}
|
|
903
|
|
|
904
|
|
|
905
|
/**
|
|
906
|
*
|
|
907
|
*/
|
|
908
|
static void
|
|
909
|
eqr_add(epg_query_result_t *eqr, event_t *e, regex_t *preg, time_t now)
|
|
910
|
{
|
|
911
|
if(e->e_title == NULL)
|
|
912
|
return;
|
|
913
|
|
|
914
|
if(preg != NULL && regexec(preg, e->e_title, 0, NULL, 0))
|
|
915
|
return;
|
|
916
|
|
|
917
|
if(e->e_stop < now)
|
|
918
|
return; /* Already passed */
|
|
919
|
|
|
920
|
if(eqr->eqr_entries == eqr->eqr_alloced) {
|
|
921
|
/* Need to alloc more space */
|
|
922
|
|
|
923
|
eqr->eqr_alloced = MAX(100, eqr->eqr_alloced * 2);
|
|
924
|
eqr->eqr_array = realloc(eqr->eqr_array,
|
|
925
|
eqr->eqr_alloced * sizeof(event_t *));
|
|
926
|
}
|
|
927
|
eqr->eqr_array[eqr->eqr_entries++] = e;
|
|
928
|
e->e_refcount++;
|
|
929
|
}
|
|
930
|
|
|
931
|
/**
|
|
932
|
*
|
|
933
|
*/
|
|
934
|
static void
|
|
935
|
epg_query_add_channel(epg_query_result_t *eqr, channel_t *ch,
|
|
936
|
uint8_t content_type, regex_t *preg, time_t now)
|
|
937
|
{
|
|
938
|
event_t *e;
|
|
939
|
|
|
940
|
if(content_type == 0) {
|
|
941
|
RB_FOREACH(e, &ch->ch_epg_events, e_channel_link)
|
|
942
|
eqr_add(eqr, e, preg, now);
|
|
943
|
} else {
|
|
944
|
RB_FOREACH(e, &ch->ch_epg_events, e_channel_link)
|
|
945
|
if(content_type == e->e_content_type)
|
|
946
|
eqr_add(eqr, e, preg, now);
|
|
947
|
}
|
|
948
|
}
|
|
949
|
|
|
950
|
/**
|
|
951
|
*
|
|
952
|
*/
|
|
953
|
void
|
|
954
|
epg_query0(epg_query_result_t *eqr, channel_t *ch, channel_tag_t *ct,
|
|
955
|
uint8_t content_type, const char *title)
|
|
956
|
{
|
|
957
|
channel_tag_mapping_t *ctm;
|
|
958
|
time_t now;
|
|
959
|
regex_t preg0, *preg;
|
|
960
|
|
|
961
|
lock_assert(&global_lock);
|
|
962
|
memset(eqr, 0, sizeof(epg_query_result_t));
|
|
963
|
time(&now);
|
|
964
|
|
|
965
|
if(title != NULL) {
|
|
966
|
if(regcomp(&preg0, title, REG_ICASE | REG_EXTENDED | REG_NOSUB))
|
|
967
|
return;
|
|
968
|
preg = &preg0;
|
|
969
|
} else {
|
|
970
|
preg = NULL;
|
|
971
|
}
|
|
972
|
|
|
973
|
if(ch != NULL && ct == NULL) {
|
|
974
|
epg_query_add_channel(eqr, ch, content_type, preg, now);
|
|
975
|
return;
|
|
976
|
}
|
|
977
|
|
|
978
|
if(ct != NULL) {
|
|
979
|
LIST_FOREACH(ctm, &ct->ct_ctms, ctm_tag_link)
|
|
980
|
if(ch == NULL || ctm->ctm_channel == ch)
|
|
981
|
epg_query_add_channel(eqr, ctm->ctm_channel, content_type, preg, now);
|
|
982
|
return;
|
|
983
|
}
|
|
984
|
|
|
985
|
RB_FOREACH(ch, &channel_name_tree, ch_name_link)
|
|
986
|
epg_query_add_channel(eqr, ch, content_type, preg, now);
|
|
987
|
}
|
|
988
|
|
|
989
|
/**
|
|
990
|
*
|
|
991
|
*/
|
|
992
|
void
|
|
993
|
epg_query(epg_query_result_t *eqr, const char *channel, const char *tag,
|
|
994
|
const char *contentgroup, const char *title)
|
|
995
|
{
|
|
996
|
channel_t *ch = channel ? channel_find_by_name(channel, 0, 0) : NULL;
|
|
997
|
channel_tag_t *ct = tag ? channel_tag_find_by_name(tag, 0) : NULL;
|
|
998
|
uint8_t content_type = contentgroup ?
|
|
999
|
epg_content_group_find_by_name(contentgroup) : 0;
|
|
1000
|
epg_query0(eqr, ch, ct, content_type, title);
|
|
1001
|
}
|
|
1002
|
|
|
1003
|
/**
|
|
1004
|
*
|
|
1005
|
*/
|
|
1006
|
void
|
|
1007
|
epg_query_free(epg_query_result_t *eqr)
|
|
1008
|
{
|
|
1009
|
int i;
|
|
1010
|
|
|
1011
|
for(i = 0; i < eqr->eqr_entries; i++)
|
|
1012
|
epg_event_unref(eqr->eqr_array[i]);
|
|
1013
|
free(eqr->eqr_array);
|
|
1014
|
}
|
|
1015
|
|
|
1016
|
/**
|
|
1017
|
* Sorting functions
|
|
1018
|
*/
|
|
1019
|
static int
|
|
1020
|
epg_sort_start_ascending(const void *A, const void *B)
|
|
1021
|
{
|
|
1022
|
event_t *a = *(event_t **)A;
|
|
1023
|
event_t *b = *(event_t **)B;
|
|
1024
|
return a->e_start - b->e_start;
|
|
1025
|
}
|
|
1026
|
|
|
1027
|
/**
|
|
1028
|
*
|
|
1029
|
*/
|
|
1030
|
void
|
|
1031
|
epg_query_sort(epg_query_result_t *eqr)
|
|
1032
|
{
|
|
1033
|
int (*sf)(const void *a, const void *b);
|
|
1034
|
|
|
1035
|
sf = epg_sort_start_ascending;
|
|
1036
|
|
|
1037
|
qsort(eqr->eqr_array, eqr->eqr_entries, sizeof(event_t *), sf);
|
|
1038
|
}
|