epggrab: ota - optimize the eit/opentv workflow

Assume that the EPG grab is completed when:

- no EIT data are present and opentv completed
- EIT data are present but opentv data were not seen

src/epggrab/module/opentv.c

@@ -129,6 +129,7 @@ typedef struct opentv_event
 typedef struct opentv_status
 {
   opentv_module_t   *os_mod;
+  epggrab_ota_map_t *os_map;
   int                os_refcount;
   epggrab_ota_mux_t *os_ota;
 } opentv_status_t;
@@ -453,6 +454,7 @@ opentv_table_callback
   /* Complete */
 done:
   if (!r) {
+    sta->os_map->om_first = 0; /* valid data mark */
     tvhtrace(mt->mt_name, "pid %d complete remain %d",
              mt->mt_pid, sta->os_refcount-1);
 
@@ -564,6 +566,7 @@ static int _opentv_start
     if (!sta) {
       sta = calloc(1, sizeof(opentv_status_t));
       sta->os_mod = mod;
+      sta->os_map = map;
     }
     mt = mpegts_table_add(mm, DVB_BAT_BASE, DVB_BAT_MASK,
                           opentv_bat_callback, sta,

src/epggrab/otamux.c

@@ -309,9 +309,11 @@ epggrab_ota_complete
   LIST_FOREACH(map, &ota->om_modules, om_link) {
     if (map->om_module == mod) {
       map->om_complete = 1;
-    } else if (!map->om_complete) {
+    } else if (!map->om_complete && !map->om_first) {
       done = 0;
     }
+    tvhtrace("epggrab", "%s complete %i first %i",
+                        map->om_module->id, map->om_complete, map->om_first);
   }
   if (!done) return;