--- /dev/null
+/*
+ * Electronic Program Guide - psip grabber
+ * Copyright (C) 2012 Adam Sutton
+ * 2014 Lauri Mylläri
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+
+#include "tvheadend.h"
+#include "channels.h"
+#include "service.h"
+#include "epg.h"
+#include "epggrab.h"
+#include "epggrab/private.h"
+#include "input.h"
+#include "input/mpegts/dvb_charset.h"
+
+/* ************************************************************************
+ * Status handling
+ * ***********************************************************************/
+
+typedef struct psip_event
+{
+ char uri[257];
+ char suri[257];
+
+ lang_str_t *title;
+ lang_str_t *summary;
+ lang_str_t *desc;
+
+ const char *default_charset;
+
+ htsmsg_t *extra;
+
+ epg_genre_list_t *genre;
+
+ uint8_t hd, ws;
+ uint8_t ad, st, ds;
+ uint8_t bw;
+
+ uint8_t parental;
+
+} psip_event_t;
+
+/* ************************************************************************
+ * Diagnostics
+ * ***********************************************************************/
+
+
+/* ************************************************************************
+ * EIT Event descriptors
+ * ***********************************************************************/
+
+
+/* ************************************************************************
+ * EIT Event
+ * ***********************************************************************/
+
+
+static int
+_psip_callback
+ (mpegts_table_t *mt, const uint8_t *ptr, int len, int tableid)
+{
+#if 0
+ int r;
+ int sect, last, ver, save, resched;
+ uint8_t seg;
+ uint16_t onid, tsid, sid;
+ uint32_t extraid;
+ mpegts_service_t *svc;
+ mpegts_mux_t *mm = mt->mt_mux;
+ epggrab_ota_map_t *map = mt->mt_opaque;
+ epggrab_module_t *mod = (epggrab_module_t *)map->om_module;
+ epggrab_ota_mux_t *ota = NULL;
+ mpegts_table_state_t *st;
+#endif
+ int r;
+ int sect, last, ver;
+ int count, i;
+ uint16_t tsid;
+ uint32_t extraid;
+ mpegts_table_state_t *st;
+
+ tvhtrace("psip", "tableid='0x%04x'", tableid);
+
+ /* Validate */
+ if (tableid != 0xc7) return -1;
+
+ /* Extra ID */
+ tsid = ptr[0] << 8 | ptr[1];
+ extraid = tsid;
+
+ /* Begin */
+ r = dvb_table_begin(mt, ptr, len, tableid, extraid, 7,
+ &st, §, &last, &ver);
+ if (r != 1) return r;
+ tvhdebug("psip", "tsid %04X (%d), ver %04X", tsid, tsid, ver);
+
+ /* # tables */
+ count = ptr[6] << 9 | ptr[7];
+ tvhdebug("psip", "table count %d", count);
+ ptr += 8;
+ len -= 8;
+
+ for (i = 0; i < count && len >= 11; i++) {
+ unsigned int type, tablepid, tablever, tablesize;
+ unsigned int dlen;
+ dlen = ((ptr[9] & 0x3) << 8) | ptr[10];
+ if (dlen + 11 > len) return -1;
+
+ type = ptr[0] << 8 | ptr[1];
+ tablepid = (ptr[2] & 0x1f) << 8 | ptr[3];
+ tablever = ptr[4] & 0x1f;
+ tablesize = ptr[5] << 24 | ptr[6] << 16 | ptr[7] << 8 | ptr[8];
+
+ tvhdebug("psip", "table %d", i);
+ tvhdebug("psip", " type %04X", type);
+ tvhdebug("psip", " pid %04X", tablepid);
+ tvhdebug("psip", " ver %04X", tablever);
+ tvhdebug("psip", " size %08X", tablesize);
+
+ /* Move on */
+// next:
+ ptr += dlen + 11;
+ len -= dlen + 11;
+ }
+
+ return dvb_table_end(mt, st, sect);
+}
+
+/* ************************************************************************
+ * Module Setup
+ * ***********************************************************************/
+
+static int _psip_start
+ ( epggrab_ota_map_t *map, mpegts_mux_t *dm )
+{
+ epggrab_module_ota_t *m = map->om_module;
+ int pid, opts = 0;
+
+ /* Disabled */
+ if (!m->enabled && !map->om_forced) return -1;
+
+ pid = 0x1FFB;
+ opts = MT_RECORD;
+
+ mpegts_table_add(dm, 0xC7, 0xFF, _psip_callback, map, m->id, MT_CRC | opts, pid);
+ tvhlog(LOG_DEBUG, m->id, "installed table handlers");
+ return 0;
+}
+
+static int _psip_tune
+ ( epggrab_ota_map_t *map, epggrab_ota_mux_t *om, mpegts_mux_t *mm )
+{
+ int r = 0;
+ epggrab_module_ota_t *m = map->om_module;
+ mpegts_service_t *s;
+ epggrab_ota_svc_link_t *osl, *nxt;
+
+ lock_assert(&global_lock);
+
+ /* Disabled */
+ if (!m->enabled) return 0;
+
+ /* Have gathered enough info to decide */
+ if (!om->om_complete)
+ return 1;
+
+ /* Check if any services are mapped */
+ // TODO: using indirect ref's like this is inefficient, should
+ // consider changeing it?
+ for (osl = RB_FIRST(&map->om_svcs); osl != NULL; osl = nxt) {
+ nxt = RB_NEXT(osl, link);
+ /* rule: if 5 mux scans fail for this service, remove it */
+ if (osl->last_tune_count + 5 <= map->om_tune_count ||
+ !(s = mpegts_service_find_by_uuid(osl->uuid))) {
+ epggrab_ota_service_del(map, om, osl, 1);
+ } else {
+ if (LIST_FIRST(&s->s_channels))
+ r = 1;
+ }
+ }
+
+ return r;
+}
+
+void psip_init ( void )
+{
+ static epggrab_ota_module_ops_t ops = {
+ .start = _psip_start,
+ .tune = _psip_tune,
+ };
+
+ epggrab_module_ota_create(NULL, "psip", "PSIP: ATSC Grabber", 1, &ops, NULL);
+}
+
+void psip_done ( void )
+{
+}
projects / thirdparty / tvheadend.git / commitdiff
