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/*
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* Electronic Program Guide - eit grabber
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* Copyright (C) 2012 Adam Sutton
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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 <string.h>
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#include "tvheadend.h"
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#include "channels.h"
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#include "service.h"
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#include "epg.h"
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#include "epggrab.h"
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#include "epggrab/private.h"
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#include "input.h"
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#include "input/mpegts/dvb_charset.h"
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#include "dvr/dvr.h"
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/* ************************************************************************
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* Status handling
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* ***********************************************************************/
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typedef struct eit_event
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{
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char uri[257];
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char suri[257];
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lang_str_t *title;
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lang_str_t *summary;
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lang_str_t *desc;
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const char *default_charset;
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htsmsg_t *extra;
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epg_genre_list_t *genre;
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uint8_t hd, ws;
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uint8_t ad, st, ds;
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uint8_t bw;
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uint8_t parental;
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} eit_event_t;
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/* ************************************************************************
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* Diagnostics
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* ***********************************************************************/
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// Dump a descriptor tag for debug (looking for new tags etc...)
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static void
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_eit_dtag_dump
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( epggrab_module_t *mod, uint8_t dtag, uint8_t dlen, const uint8_t *buf )
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{
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#if APS_DEBUG
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int i = 0, j = 0;
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char tmp[100];
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tvhdebug(mod->subsys, "%s: dtag 0x%02X len %d", mt->mt_name, dtag, dlen);
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while (i < dlen) {
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j += sprintf(tmp+j, "%02X ", buf[i]);
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i++;
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if ((i % 8) == 0 || (i == dlen)) {
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tvhdebug(mod->subsys, "%s: %s", mt->mt_name, tmp);
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j = 0;
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}
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}
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#endif
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}
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/* ************************************************************************
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* EIT Event descriptors
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* ***********************************************************************/
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static dvb_string_conv_t _eit_freesat_conv[2] = {
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{ 0x1f, freesat_huffman_decode },
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{ 0x00, NULL }
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};
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/*
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* Get string
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*/
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static int _eit_get_string_with_len
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( epggrab_module_t *m,
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char *dst, size_t dstlen,
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const uint8_t *src, size_t srclen, const char *charset )
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{
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dvb_string_conv_t *cptr = NULL;
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/* Enable huffman decode (for freeview and/or freesat) */
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m = epggrab_module_find_by_id("uk_freesat");
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if (m && m->enabled) {
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cptr = _eit_freesat_conv;
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} else {
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m = epggrab_module_find_by_id("uk_freeview");
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if (m && m->enabled) cptr = _eit_freesat_conv;
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}
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/* Convert */
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return dvb_get_string_with_len(dst, dstlen, src, srclen, charset, cptr);
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}
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/*
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* Short Event - 0x4d
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*/
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static int _eit_desc_short_event
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( epggrab_module_t *mod, const uint8_t *ptr, int len, eit_event_t *ev )
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{
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int r;
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char lang[4];
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char buf[512];
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if ( len < 5 ) return -1;
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/* Language */
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memcpy(lang, ptr, 3);
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lang[3] = '\0';
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len -= 3;
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ptr += 3;
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/* Title */
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if ( (r = _eit_get_string_with_len(mod, buf, sizeof(buf),
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ptr, len, ev->default_charset)) < 0 ) {
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return -1;
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} else if ( r > 1 ) {
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if (!ev->title) ev->title = lang_str_create();
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lang_str_add(ev->title, buf, lang, 0);
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}
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len -= r;
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ptr += r;
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if ( len < 1 ) return -1;
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/* Summary */
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if ( (r = _eit_get_string_with_len(mod, buf, sizeof(buf),
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ptr, len, ev->default_charset)) < 0 ) {
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return -1;
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} else if ( r > 1 ) {
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if (!ev->summary) ev->summary = lang_str_create();
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lang_str_add(ev->summary, buf, lang, 0);
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}
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return 0;
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}
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/*
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* Extended Event - 0x4e
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*/
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static int _eit_desc_ext_event
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( epggrab_module_t *mod, const uint8_t *ptr, int len, eit_event_t *ev )
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{
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int r, ilen;
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char ikey[512], ival[512];
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char buf[512], lang[4];
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const uint8_t *iptr;
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if (len < 6) return -1;
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/* Descriptor numbering (skip) */
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len -= 1;
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ptr += 1;
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/* Language */
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memcpy(lang, ptr, 3);
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lang[3] = '\0';
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len -= 3;
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ptr += 3;
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/* Key/Value items */
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ilen = *ptr;
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len -= 1;
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ptr += 1;
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iptr = ptr;
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if (len < ilen) return -1;
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/* Skip past */
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ptr += ilen;
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len -= ilen;
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/* Process */
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while (ilen) {
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/* Key */
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if ( (r = _eit_get_string_with_len(mod, ikey, sizeof(ikey),
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iptr, ilen, ev->default_charset)) < 0 )
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break;
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ilen -= r;
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iptr += r;
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/* Value */
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if ( (r = _eit_get_string_with_len(mod, ival, sizeof(ival),
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iptr, ilen, ev->default_charset)) < 0 )
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break;
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ilen -= r;
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iptr += r;
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/* Store */
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// TODO: extend existing?
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#if TODO_ADD_EXTRA
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if (*ikey && *ival) {
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if (!ev->extra) ev->extra = htsmsg_create_map();
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htsmsg_add_str(ev->extra, ikey, ival);
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}
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#endif
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}
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/* Description */
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if ( _eit_get_string_with_len(mod,
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buf, sizeof(buf),
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ptr, len,
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ev->default_charset) > 1 ) {
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if (!ev->desc) ev->desc = lang_str_create();
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lang_str_append(ev->desc, buf, lang);
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}
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return 0;
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}
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/*
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* Component Descriptor - 0x50
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*/
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static int _eit_desc_component
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( epggrab_module_t *mod, const uint8_t *ptr, int len, eit_event_t *ev )
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{
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uint8_t c, t;
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if (len < 6) return -1;
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/* Stream Content and Type */
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c = *ptr & 0x0f;
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t = ptr[1];
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/* MPEG2 (video) */
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if (c == 0x1) {
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if (t > 0x08 && t < 0x11) {
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ev->hd = 1;
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if ( t != 0x09 && t != 0x0d )
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ev->ws = 1;
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} else if (t == 0x02 || t == 0x03 || t == 0x04 ||
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t == 0x06 || t == 0x07 || t == 0x08 ) {
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ev->ws = 1;
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}
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/* MPEG2 (audio) */
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} else if (c == 0x2) {
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/* Described */
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if (t == 0x40 || t == 0x41)
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ev->ad = 1;
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/* Misc */
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} else if (c == 0x3) {
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if (t == 0x1 || (t >= 0x10 && t <= 0x14) || (t >= 0x20 && t <= 0x24))
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ev->st = 1;
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else if (t == 0x30 || t == 0x31)
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ev->ds = 1;
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/* H264 */
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} else if (c == 0x5) {
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if (t == 0x0b || t == 0x0c || t == 0x10)
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ev->hd = ev->ws = 1;
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else if (t == 0x03 || t == 0x04 || t == 0x07 || t == 0x08)
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ev->ws = 1;
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/* AAC */
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} else if ( c == 0x6 ) {
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/* Described */
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if (t == 0x40 || t == 0x44)
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ev->ad = 1;
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/* HEVC */
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} else if ( c == 0x9 ) {
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ev->ws = 1;
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if (t > 3)
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ev->hd = 2;
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}
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return 0;
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}
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/*
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* Content Descriptor - 0x54
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*/
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static int _eit_desc_content
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( epggrab_module_t *mod, const uint8_t *ptr, int len, eit_event_t *ev )
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{
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while (len > 1) {
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if (*ptr == 0xb1)
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ev->bw = 1;
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else if (*ptr < 0xb0) {
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if (!ev->genre) ev->genre = calloc(1, sizeof(epg_genre_list_t));
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epg_genre_list_add_by_eit(ev->genre, *ptr);
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}
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len -= 2;
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ptr += 2;
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}
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return 0;
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}
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318
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/*
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319
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* Parental rating Descriptor - 0x55
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320
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*/
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321
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static int _eit_desc_parental
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( epggrab_module_t *mod, const uint8_t *ptr, int len, eit_event_t *ev )
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{
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324
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int cnt = 0, sum = 0, i = 0;
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325
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while (len > 3) {
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326
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if ( ptr[i] && ptr[i] < 0x10 ) {
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cnt++;
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328
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sum += (ptr[i] + 3);
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329
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}
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330
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len -= 4;
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331
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i += 4;
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332
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}
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333
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// Note: we ignore the country code and average the lot!
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334
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if (cnt)
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335
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ev->parental = (uint8_t)(sum / cnt);
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336
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337
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return 0;
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338
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}
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339
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340
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/*
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341
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* Content ID - 0x76
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342
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*/
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343
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static int _eit_desc_crid
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344
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( epggrab_module_t *mod, const uint8_t *ptr, int len,
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345
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eit_event_t *ev, mpegts_service_t *svc )
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346
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{
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347
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int r;
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348
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uint8_t type;
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349
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char buf[512], *crid;
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350
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int clen;
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351
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|
352
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while (len > 3) {
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353
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|
354
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/* Explicit only */
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355
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if ( (*ptr & 0x3) == 0 ) {
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356
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crid = NULL;
|
357
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type = *ptr >> 2;
|
358
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|
359
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r = _eit_get_string_with_len(mod, buf, sizeof(buf),
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360
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ptr+1, len-1,
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361
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ev->default_charset);
|
362
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if (r < 0) return -1;
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363
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if (r == 0) continue;
|
364
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|
365
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/* Episode */
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366
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if (type == 0x1 || type == 0x31) {
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367
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crid = ev->uri;
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368
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clen = sizeof(ev->uri);
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369
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|
370
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/* Season */
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371
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} else if (type == 0x2 || type == 0x32) {
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372
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crid = ev->suri;
|
373
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clen = sizeof(ev->suri);
|
374
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}
|
375
|
|
376
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if (crid) {
|
377
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if (strstr(buf, "crid://") == buf) {
|
378
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strncpy(crid, buf, clen);
|
379
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crid[clen-1] = '\0';
|
380
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} else if ( *buf != '/' ) {
|
381
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snprintf(crid, clen, "crid://%s", buf);
|
382
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} else {
|
383
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const char *defauth = svc->s_dvb_cridauth;
|
384
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if (!defauth)
|
385
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defauth = svc->s_dvb_mux->mm_crid_authority;
|
386
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if (defauth)
|
387
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snprintf(crid, clen, "crid://%s%s", defauth, buf);
|
388
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else
|
389
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snprintf(crid, clen, "crid://onid-%d%s", svc->s_dvb_mux->mm_onid, buf);
|
390
|
}
|
391
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}
|
392
|
|
393
|
/* Next */
|
394
|
len -= 1 + r;
|
395
|
ptr += 1 + r;
|
396
|
}
|
397
|
}
|
398
|
|
399
|
return 0;
|
400
|
}
|
401
|
|
402
|
|
403
|
/* ************************************************************************
|
404
|
* EIT Event
|
405
|
* ***********************************************************************/
|
406
|
|
407
|
static int _eit_process_event_one
|
408
|
( epggrab_module_t *mod, int tableid, int sect,
|
409
|
mpegts_service_t *svc, channel_t *ch,
|
410
|
const uint8_t *ptr, int len,
|
411
|
int local, int *resched, int *save )
|
412
|
{
|
413
|
int dllen, save2 = 0;
|
414
|
time_t start, stop;
|
415
|
uint16_t eid;
|
416
|
uint8_t dtag, dlen, running;
|
417
|
epg_broadcast_t *ebc;
|
418
|
epg_episode_t *ee = NULL;
|
419
|
epg_serieslink_t *es;
|
420
|
epg_running_t run;
|
421
|
eit_event_t ev;
|
422
|
uint32_t changes2 = 0, changes3 = 0, changes4 = 0;
|
423
|
|
424
|
/* Core fields */
|
425
|
eid = ptr[0] << 8 | ptr[1];
|
426
|
start = dvb_convert_date(&ptr[2], local);
|
427
|
stop = start + bcdtoint(ptr[7] & 0xff) * 3600 +
|
428
|
bcdtoint(ptr[8] & 0xff) * 60 +
|
429
|
bcdtoint(ptr[9] & 0xff);
|
430
|
running = (ptr[10] >> 5) & 0x07;
|
431
|
dllen = ((ptr[10] & 0x0f) << 8) | ptr[11];
|
432
|
|
433
|
len -= 12;
|
434
|
ptr += 12;
|
435
|
if ( len < dllen ) return -1;
|
436
|
|
437
|
/* Find broadcast */
|
438
|
ebc = epg_broadcast_find_by_time(ch, mod, start, stop, 1, &save2, &changes2);
|
439
|
tvhtrace(LS_TBL_EIT, "svc='%s', ch='%s', eid=%5d, start=%"PRItime_t","
|
440
|
" stop=%"PRItime_t", ebc=%p",
|
441
|
svc->s_dvb_svcname ?: "(null)", ch ? channel_get_name(ch) : "(null)",
|
442
|
eid, start, stop, ebc);
|
443
|
if (!ebc) return 0;
|
444
|
|
445
|
/* Mark re-schedule detect (only now/next) */
|
446
|
if (save2 && tableid < 0x50) *resched = 1;
|
447
|
*save |= save2;
|
448
|
|
449
|
/* Process tags */
|
450
|
memset(&ev, 0, sizeof(ev));
|
451
|
ev.default_charset = dvb_charset_find(NULL, NULL, svc);
|
452
|
|
453
|
while (dllen > 2) {
|
454
|
int r;
|
455
|
dtag = ptr[0];
|
456
|
dlen = ptr[1];
|
457
|
|
458
|
dllen -= 2;
|
459
|
ptr += 2;
|
460
|
if (dllen < dlen) break;
|
461
|
|
462
|
tvhtrace(mod->subsys, "%s: dtag %02X dlen %d", mod->id, dtag, dlen);
|
463
|
tvhlog_hexdump(mod->subsys, ptr, dlen);
|
464
|
|
465
|
switch (dtag) {
|
466
|
case DVB_DESC_SHORT_EVENT:
|
467
|
r = _eit_desc_short_event(mod, ptr, dlen, &ev);
|
468
|
break;
|
469
|
case DVB_DESC_EXT_EVENT:
|
470
|
r = _eit_desc_ext_event(mod, ptr, dlen, &ev);
|
471
|
break;
|
472
|
case DVB_DESC_CONTENT:
|
473
|
r = _eit_desc_content(mod, ptr, dlen, &ev);
|
474
|
break;
|
475
|
case DVB_DESC_COMPONENT:
|
476
|
r = _eit_desc_component(mod, ptr, dlen, &ev);
|
477
|
break;
|
478
|
case DVB_DESC_PARENTAL_RAT:
|
479
|
r = _eit_desc_parental(mod, ptr, dlen, &ev);
|
480
|
break;
|
481
|
case DVB_DESC_CRID:
|
482
|
r = _eit_desc_crid(mod, ptr, dlen, &ev, svc);
|
483
|
break;
|
484
|
default:
|
485
|
r = 0;
|
486
|
_eit_dtag_dump(mod, dtag, dlen, ptr);
|
487
|
break;
|
488
|
}
|
489
|
|
490
|
if (r < 0) break;
|
491
|
dllen -= dlen;
|
492
|
ptr += dlen;
|
493
|
}
|
494
|
|
495
|
/*
|
496
|
* Broadcast
|
497
|
*/
|
498
|
|
499
|
*save |= epg_broadcast_set_dvb_eid(ebc, eid, &changes2);
|
500
|
|
501
|
/* Summary/Description */
|
502
|
if (ev.summary)
|
503
|
*save |= epg_broadcast_set_summary(ebc, ev.summary, &changes2);
|
504
|
if (ev.desc)
|
505
|
*save |= epg_broadcast_set_description(ebc, ev.desc, &changes2);
|
506
|
|
507
|
/* Broadcast Metadata */
|
508
|
*save |= epg_broadcast_set_is_hd(ebc, ev.hd, &changes2);
|
509
|
*save |= epg_broadcast_set_is_widescreen(ebc, ev.ws, &changes2);
|
510
|
*save |= epg_broadcast_set_is_audio_desc(ebc, ev.ad, &changes2);
|
511
|
*save |= epg_broadcast_set_is_subtitled(ebc, ev.st, &changes2);
|
512
|
*save |= epg_broadcast_set_is_deafsigned(ebc, ev.ds, &changes2);
|
513
|
|
514
|
/*
|
515
|
* Series link
|
516
|
*/
|
517
|
|
518
|
if (*ev.suri) {
|
519
|
if ((es = epg_serieslink_find_by_uri(ev.suri, mod, 1, save, &changes3))) {
|
520
|
*save |= epg_broadcast_set_serieslink(ebc, es, &changes2);
|
521
|
*save |= epg_serieslink_change_finish(es, changes3, 0);
|
522
|
}
|
523
|
}
|
524
|
|
525
|
/*
|
526
|
* Episode
|
527
|
*/
|
528
|
|
529
|
/* Find episode */
|
530
|
if (*ev.uri) {
|
531
|
ee = epg_episode_find_by_uri(ev.uri, mod, 1, save, &changes4);
|
532
|
} else {
|
533
|
ee = epg_episode_find_by_broadcast(ebc, mod, 1, save, &changes4);
|
534
|
}
|
535
|
|
536
|
/* Update Episode */
|
537
|
if (ee) {
|
538
|
*save |= epg_broadcast_set_episode(ebc, ee, &changes2);
|
539
|
*save |= epg_episode_set_is_bw(ee, ev.bw, &changes4);
|
540
|
if (ev.title)
|
541
|
*save |= epg_episode_set_title(ee, ev.title, &changes4);
|
542
|
if (ev.genre)
|
543
|
*save |= epg_episode_set_genre(ee, ev.genre, &changes4);
|
544
|
if (ev.parental)
|
545
|
*save |= epg_episode_set_age_rating(ee, ev.parental, &changes4);
|
546
|
if (ev.summary)
|
547
|
*save |= epg_episode_set_subtitle(ee, ev.summary, &changes4);
|
548
|
#if TODO_ADD_EXTRA
|
549
|
if (ev.extra)
|
550
|
*save |= epg_episode_set_extra(ee, extra, &changes4);
|
551
|
#endif
|
552
|
*save |= epg_episode_change_finish(ee, changes4, 0);
|
553
|
}
|
554
|
|
555
|
*save |= epg_broadcast_change_finish(ebc, changes2, 0);
|
556
|
|
557
|
/* Tidy up */
|
558
|
#if TODO_ADD_EXTRA
|
559
|
if (ev.extra) htsmsg_destroy(ev.extra);
|
560
|
#endif
|
561
|
if (ev.genre) epg_genre_list_destroy(ev.genre);
|
562
|
if (ev.title) lang_str_destroy(ev.title);
|
563
|
if (ev.summary) lang_str_destroy(ev.summary);
|
564
|
if (ev.desc) lang_str_destroy(ev.desc);
|
565
|
|
566
|
/* use running flag only for current broadcast */
|
567
|
if (running && tableid == 0x4e) {
|
568
|
if (sect == 0) {
|
569
|
switch (running) {
|
570
|
case 2: run = EPG_RUNNING_WARM; break;
|
571
|
case 3: run = EPG_RUNNING_PAUSE; break;
|
572
|
case 4: run = EPG_RUNNING_NOW; break;
|
573
|
default: run = EPG_RUNNING_STOP; break;
|
574
|
}
|
575
|
epg_broadcast_notify_running(ebc, EPG_SOURCE_EIT, run);
|
576
|
} else if (sect == 1 && running != 2 && running != 3 && running != 4) {
|
577
|
epg_broadcast_notify_running(ebc, EPG_SOURCE_EIT, EPG_RUNNING_STOP);
|
578
|
}
|
579
|
}
|
580
|
|
581
|
return 0;
|
582
|
}
|
583
|
|
584
|
static int _eit_process_event
|
585
|
( epggrab_module_t *mod, int tableid, int sect,
|
586
|
mpegts_service_t *svc, const uint8_t *ptr, int len,
|
587
|
int local, int *resched, int *save )
|
588
|
{
|
589
|
idnode_list_mapping_t *ilm;
|
590
|
channel_t *ch;
|
591
|
|
592
|
if ( len < 12 ) return -1;
|
593
|
|
594
|
LIST_FOREACH(ilm, &svc->s_channels, ilm_in1_link) {
|
595
|
ch = (channel_t *)ilm->ilm_in2;
|
596
|
if (!ch->ch_enabled || ch->ch_epg_parent) continue;
|
597
|
if (_eit_process_event_one(mod, tableid, sect, svc, ch,
|
598
|
ptr, len, local, resched, save) < 0)
|
599
|
return -1;
|
600
|
}
|
601
|
return 12 + (((ptr[10] & 0x0f) << 8) | ptr[11]);
|
602
|
}
|
603
|
|
604
|
|
605
|
static int
|
606
|
_eit_callback
|
607
|
(mpegts_table_t *mt, const uint8_t *ptr, int len, int tableid)
|
608
|
{
|
609
|
int r;
|
610
|
int sect, last, ver, save, resched;
|
611
|
uint8_t seg;
|
612
|
uint16_t onid, tsid, sid;
|
613
|
uint32_t extraid;
|
614
|
mpegts_service_t *svc;
|
615
|
mpegts_mux_t *mm;
|
616
|
epggrab_ota_map_t *map;
|
617
|
epggrab_module_t *mod;
|
618
|
epggrab_ota_mux_t *ota = NULL;
|
619
|
mpegts_psi_table_state_t *st;
|
620
|
th_subscription_t *ths;
|
621
|
char ubuf[UUID_HEX_SIZE];
|
622
|
|
623
|
if (!epggrab_ota_running)
|
624
|
return -1;
|
625
|
|
626
|
mm = mt->mt_mux;
|
627
|
map = mt->mt_opaque;
|
628
|
mod = (epggrab_module_t *)map->om_module;
|
629
|
|
630
|
/* Statistics */
|
631
|
ths = mpegts_mux_find_subscription_by_name(mm, "epggrab");
|
632
|
if (ths) {
|
633
|
subscription_add_bytes_in(ths, len);
|
634
|
subscription_add_bytes_out(ths, len);
|
635
|
}
|
636
|
|
637
|
/* Validate */
|
638
|
if(tableid < 0x4e || tableid > 0x6f || len < 11) {
|
639
|
if (ths)
|
640
|
atomic_add(&ths->ths_total_err, 1);
|
641
|
return -1;
|
642
|
}
|
643
|
|
644
|
/* Basic info */
|
645
|
sid = ptr[0] << 8 | ptr[1];
|
646
|
tsid = ptr[5] << 8 | ptr[6];
|
647
|
onid = ptr[7] << 8 | ptr[8];
|
648
|
seg = ptr[9];
|
649
|
extraid = ((uint32_t)tsid << 16) | sid;
|
650
|
// TODO: extra ID should probably include onid
|
651
|
|
652
|
/* Register interest */
|
653
|
if (tableid == 0x4e || (tableid >= 0x50 && tableid < 0x60) ||
|
654
|
mt->mt_pid == 3003 /* uk_freesat */)
|
655
|
ota = epggrab_ota_register((epggrab_module_ota_t*)mod, NULL, mm);
|
656
|
|
657
|
/* Begin */
|
658
|
r = dvb_table_begin((mpegts_psi_table_t *)mt, ptr, len,
|
659
|
tableid, extraid, 11, &st, §, &last, &ver);
|
660
|
if (r == 0) goto complete;
|
661
|
if (r < 0) return r;
|
662
|
if (tableid != 0x4e && r != 1) return r;
|
663
|
if (st && r > 0) {
|
664
|
uint32_t mask;
|
665
|
int sa = seg & 0xF8;
|
666
|
int sb = 7 - (seg & 0x07);
|
667
|
mask = (~(0xFF << sb) & 0xFF);
|
668
|
mask <<= (24 - (sa % 32));
|
669
|
st->sections[sa/32] &= ~mask;
|
670
|
}
|
671
|
|
672
|
/* Get transport stream */
|
673
|
// Note: tableid=0x4f,0x60-0x6f is other TS
|
674
|
// so must find the tdmi
|
675
|
if(tableid == 0x4f || tableid >= 0x60) {
|
676
|
mm = mpegts_network_find_mux(mm->mm_network, onid, tsid, 1);
|
677
|
|
678
|
} else {
|
679
|
if ((mm->mm_tsid != tsid || mm->mm_onid != onid) &&
|
680
|
!mm->mm_eit_tsid_nocheck) {
|
681
|
if (mm->mm_onid != MPEGTS_ONID_NONE &&
|
682
|
mm->mm_tsid != MPEGTS_TSID_NONE)
|
683
|
tvhtrace(LS_TBL_EIT,
|
684
|
"invalid tsid found tid 0x%02X, onid:tsid %d:%d != %d:%d",
|
685
|
tableid, mm->mm_onid, mm->mm_tsid, onid, tsid);
|
686
|
mm = NULL;
|
687
|
}
|
688
|
}
|
689
|
if(!mm)
|
690
|
goto done;
|
691
|
|
692
|
/* Get service */
|
693
|
svc = mpegts_mux_find_service(mm, sid);
|
694
|
if (!svc) {
|
695
|
tvhtrace(LS_TBL_EIT, "sid %i not found", sid);
|
696
|
goto done;
|
697
|
}
|
698
|
|
699
|
if (map->om_first) {
|
700
|
map->om_tune_count++;
|
701
|
map->om_first = 0;
|
702
|
}
|
703
|
|
704
|
/* Register this */
|
705
|
if (ota)
|
706
|
epggrab_ota_service_add(map, ota, idnode_uuid_as_str(&svc->s_id, ubuf), 1);
|
707
|
|
708
|
/* No point processing */
|
709
|
if (!LIST_FIRST(&svc->s_channels))
|
710
|
goto done;
|
711
|
|
712
|
if (svc->s_dvb_ignore_eit)
|
713
|
goto done;
|
714
|
|
715
|
/* Process events */
|
716
|
save = resched = 0;
|
717
|
len -= 11;
|
718
|
ptr += 11;
|
719
|
while (len) {
|
720
|
int r;
|
721
|
if ((r = _eit_process_event(mod, tableid, sect, svc, ptr, len,
|
722
|
mm->mm_network->mn_localtime,
|
723
|
&resched, &save)) < 0)
|
724
|
break;
|
725
|
assert(r > 0);
|
726
|
len -= r;
|
727
|
ptr += r;
|
728
|
}
|
729
|
|
730
|
/* Update EPG */
|
731
|
if (resched) epggrab_resched();
|
732
|
if (save) epg_updated();
|
733
|
|
734
|
done:
|
735
|
r = dvb_table_end((mpegts_psi_table_t *)mt, st, sect);
|
736
|
complete:
|
737
|
if (ota && !r && (tableid >= 0x50 && tableid < 0x60))
|
738
|
epggrab_ota_complete((epggrab_module_ota_t*)mod, ota);
|
739
|
|
740
|
return r;
|
741
|
}
|
742
|
|
743
|
/* ************************************************************************
|
744
|
* Module Setup
|
745
|
* ***********************************************************************/
|
746
|
|
747
|
static int _eit_start
|
748
|
( epggrab_ota_map_t *map, mpegts_mux_t *dm )
|
749
|
{
|
750
|
epggrab_module_ota_t *m = map->om_module;
|
751
|
int pid, opts = 0;
|
752
|
|
753
|
/* Disabled */
|
754
|
if (!m->enabled && !map->om_forced) return -1;
|
755
|
|
756
|
/* Freeview (switch to EIT, ignore if explicitly enabled) */
|
757
|
// Note: do this as PID is the same
|
758
|
if (!strcmp(m->id, "uk_freeview")) {
|
759
|
m = (epggrab_module_ota_t*)epggrab_module_find_by_id("eit");
|
760
|
if (m->enabled) return -1;
|
761
|
}
|
762
|
|
763
|
/* Freesat (3002/3003) */
|
764
|
if (!strcmp("uk_freesat", m->id)) {
|
765
|
mpegts_table_add(dm, 0, 0, dvb_bat_callback, NULL, "bat", LS_TBL_BASE, MT_CRC, 3002, MPS_WEIGHT_EIT);
|
766
|
pid = 3003;
|
767
|
|
768
|
/* Viasat Baltic (0x39) */
|
769
|
} else if (!strcmp("viasat_baltic", m->id)) {
|
770
|
pid = 0x39;
|
771
|
|
772
|
/* Bulsatcom 39E (0x12b) */
|
773
|
} else if (!strcmp("Bulsatcom_39E", m->id)) {
|
774
|
pid = 0x12b;
|
775
|
|
776
|
/* UK Cable (0x2bc) */
|
777
|
} else if (!strcmp("uk_cable", m->id)) {
|
778
|
pid = 0x2bc;
|
779
|
|
780
|
/* Standard (0x12) */
|
781
|
} else {
|
782
|
pid = DVB_EIT_PID;
|
783
|
opts = MT_RECORD;
|
784
|
}
|
785
|
mpegts_table_add(dm, 0, 0, _eit_callback, map, m->id, LS_TBL_EIT, MT_CRC | opts, pid, MPS_WEIGHT_EIT);
|
786
|
// TODO: might want to limit recording to EITpf only
|
787
|
tvhdebug(m->subsys, "%s: installed table handlers", m->id);
|
788
|
return 0;
|
789
|
}
|
790
|
|
791
|
static int _eit_tune
|
792
|
( epggrab_ota_map_t *map, epggrab_ota_mux_t *om, mpegts_mux_t *mm )
|
793
|
{
|
794
|
int r = 0;
|
795
|
epggrab_module_ota_t *m = map->om_module;
|
796
|
mpegts_service_t *s;
|
797
|
epggrab_ota_svc_link_t *osl, *nxt;
|
798
|
|
799
|
lock_assert(&global_lock);
|
800
|
|
801
|
/* Disabled */
|
802
|
if (!m->enabled) return 0;
|
803
|
|
804
|
/* Have gathered enough info to decide */
|
805
|
if (!om->om_complete)
|
806
|
return 1;
|
807
|
|
808
|
/* Check if any services are mapped */
|
809
|
// TODO: using indirect ref's like this is inefficient, should
|
810
|
// consider changeing it?
|
811
|
for (osl = RB_FIRST(&map->om_svcs); osl != NULL; osl = nxt) {
|
812
|
nxt = RB_NEXT(osl, link);
|
813
|
/* rule: if 5 mux scans fail for this service, remove it */
|
814
|
if (osl->last_tune_count + 5 <= map->om_tune_count ||
|
815
|
!(s = mpegts_service_find_by_uuid(osl->uuid))) {
|
816
|
epggrab_ota_service_del(map, om, osl, 1);
|
817
|
} else {
|
818
|
if (LIST_FIRST(&s->s_channels))
|
819
|
r = 1;
|
820
|
}
|
821
|
}
|
822
|
|
823
|
return r;
|
824
|
}
|
825
|
|
826
|
void eit_init ( void )
|
827
|
{
|
828
|
static epggrab_ota_module_ops_t ops = {
|
829
|
.start = _eit_start,
|
830
|
.tune = _eit_tune,
|
831
|
};
|
832
|
|
833
|
epggrab_module_ota_create(NULL, "eit", LS_TBL_EIT, NULL, "EIT: DVB Grabber", 1, &ops);
|
834
|
epggrab_module_ota_create(NULL, "uk_freesat", LS_TBL_EIT, NULL, "UK: Freesat", 5, &ops);
|
835
|
epggrab_module_ota_create(NULL, "uk_freeview", LS_TBL_EIT, NULL, "UK: Freeview", 5, &ops);
|
836
|
epggrab_module_ota_create(NULL, "viasat_baltic", LS_TBL_EIT, NULL, "VIASAT: Baltic", 5, &ops);
|
837
|
epggrab_module_ota_create(NULL, "Bulsatcom_39E", LS_TBL_EIT, NULL, "Bulsatcom: Bula 39E", 5, &ops);
|
838
|
epggrab_module_ota_create(NULL, "uk_cable", LS_TBL_EIT, NULL, "UK: Cable", 5, &ops);
|
839
|
}
|
840
|
|
841
|
void eit_done ( void )
|
842
|
{
|
843
|
}
|
844
|
|
845
|
void eit_load ( void )
|
846
|
{
|
847
|
}
|