From: Jaroslav Kysela <perex@perex.cz>
Date: Tue, 7 Jun 2016 09:29:10 +0000 (+0200)
Subject: DVB-T autodiscovery: validate more frequency and allow to reset code rate LP
X-Git-Tag: v4.2.1~432
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=17f2d927e2c9f4902a2ec33670838b10c86bf87b;p=thirdparty%2Ftvheadend.git

DVB-T autodiscovery: validate more frequency and allow to reset code rate LP
---

diff --git a/src/input/mpegts/dvb_psi.c b/src/input/mpegts/dvb_psi.c
index fb7132a03..5063ffe4c 100644
--- a/src/input/mpegts/dvb_psi.c
+++ b/src/input/mpegts/dvb_psi.c
@@ -365,8 +365,8 @@ dvb_desc_terr_del
 
   /* Extract data */
   frequency     = ((ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3]);
-  if (!frequency) {
-    tvhwarn(mt->mt_name, "dvb-t frequency error");
+  if (frequency < 1000000 || frequency > 200000000) {
+    tvhdebug(mt->mt_name, "dvb-t frequency error (%d)", frequency);
     return NULL;
   }
 
diff --git a/src/input/mpegts/mpegts_network_dvb.c b/src/input/mpegts/mpegts_network_dvb.c
index 648cc52f0..33d88cc5a 100644
--- a/src/input/mpegts/mpegts_network_dvb.c
+++ b/src/input/mpegts/mpegts_network_dvb.c
@@ -703,6 +703,13 @@ dvb_network_create_mux
                  " (%li)", (long)dmc->x, (long)tuning_new.x); \
         tuning_new.x = dmc->x; \
       } xr ? cbit : 0; })
+    #define COMPAREN0(x, cbit) ({ \
+      int xr = dmc->x != 1 && dmc->x != tuning_new.x; \
+      if (xr) { \
+        tvhtrace("mpegts", "create mux dmc->" #x " (%li) != lm->lm_tuning." #x \
+                 " (%li)", (long)dmc->x, (long)tuning_new.x); \
+        tuning_new.x = dmc->x; \
+      } xr ? cbit : 0; })
     tuning_new = tuning_old = lm->lm_tuning;
     /* Always save the orbital position */
     if (dmc->dmc_fe_type == DVB_TYPE_S) {
@@ -727,11 +734,11 @@ dvb_network_create_mux
     case DVB_TYPE_T:
       save |= COMPARE(dmc_fe_stream_id, CBIT_STREAM_ID);
       save |= COMPAREN(u.dmc_fe_ofdm.bandwidth, CBIT_BANDWIDTH);
+      save |= COMPAREN(u.dmc_fe_ofdm.hierarchy_information, CBIT_HIERARCHY);
       save |= COMPAREN(u.dmc_fe_ofdm.code_rate_HP, CBIT_RATE_HP);
-      save |= COMPAREN(u.dmc_fe_ofdm.code_rate_LP, CBIT_RATE_LP);
+      save |= COMPAREN0(u.dmc_fe_ofdm.code_rate_LP, CBIT_RATE_LP);
       save |= COMPAREN(u.dmc_fe_ofdm.transmission_mode, CBIT_TRANS_MODE);
       save |= COMPAREN(u.dmc_fe_ofdm.guard_interval, CBIT_GUARD);
-      save |= COMPAREN(u.dmc_fe_ofdm.hierarchy_information, CBIT_HIERARCHY);
       break;
     case DVB_TYPE_S:
       save |= COMPARE(u.dmc_fe_qpsk.polarisation, CBIT_POLARISATION);
@@ -757,11 +764,11 @@ dvb_network_create_mux
       mpegts_mux_nice_name((mpegts_mux_t *)mm, muxname, sizeof(muxname));
       dvb_mux_conf_str(&tuning_old, buf, sizeof(buf));
       tvhlog(change ? LOG_WARNING : LOG_NOTICE, "mpegts",
-             "mux %s%s from %s (%08x)", muxname,
+             "mux %s%s %s (%08x)", muxname,
              change ? " changed from" : " old params", buf, save);
       dvb_mux_conf_str(&tuning_new, buf, sizeof(buf));
       tvhlog(change ? LOG_WARNING : LOG_NOTICE, "mpegts",
-             "mux %s%s to   %s (%08x)", muxname,
+             "mux %s%s %s (%08x)", muxname,
              change ? " changed to  " : " new params", buf, save);
       if (!change) save = 0;
     }