allow more complicated sat configuration

[enigma2.git] / lib / dvb / sec.cpp

diff --git a/lib/dvb/sec.cpp b/lib/dvb/sec.cpp
index 10b2c2c1c4f33c1096b7efbb7b208e2c0c516484..b1f421c06a0e01ad3c62551652d2a8a466f198f7 100644 (file)
--- a/lib/dvb/sec.cpp
+++ b/lib/dvb/sec.cpp
@@ -114,9 +114,12 @@ eDVBSatelliteEquipmentControl::eDVBSatelliteEquipmentControl(eSmartPtrList<eDVBR
        setRotorPosNum(1); // stored pos 1
 }
 
-int eDVBSatelliteEquipmentControl::canTune(const eDVBFrontendParametersSatellite &sat, iDVBFrontend *fe, int slot_id )
+int eDVBSatelliteEquipmentControl::canTune(const eDVBFrontendParametersSatellite &sat, iDVBFrontend *fe, int slot_id, int *highest_score_lnb)
 {
-       int ret=0, satcount=0;
+       int score=0, satcount=0;
+
+       if (highest_score_lnb)
+               *highest_score_lnb = -1;
 
        for (int idx=0; idx <= m_lnbidx; ++idx )
        {
@@ -124,6 +127,7 @@ int eDVBSatelliteEquipmentControl::canTune(const eDVBFrontendParametersSatellite
                eDVBSatelliteLNBParameters &lnb_param = m_lnbs[idx];
                if ( lnb_param.slot_mask & slot_id ) // lnb for correct tuner?
                {
+                       int ret = 0;
                        eDVBSatelliteDiseqcParameters &di_param = lnb_param.m_diseqc_parameters;
 
                        satcount += lnb_param.m_satellites.size();
@@ -261,14 +265,20 @@ int eDVBSatelliteEquipmentControl::canTune(const eDVBFrontendParametersSatellite
                                        if (tuner_freq < 900000 || tuner_freq > 2200000)
                                                ret=0;
                                }
+                               if (ret > score)
+                               {
+                                       score = ret;
+                                       if (highest_score_lnb)
+                                               *highest_score_lnb = idx;
+                               }
                        }
                }
        }
-       if (ret && satcount)
-               ret -= (satcount-1);
-       if (ret && m_not_linked_slot_mask & slot_id)
-               ret += 5; // increase score for tuners with direct sat connection
-       return ret;
+       if (score && satcount)
+               score -= (satcount-1);
+       if (score && m_not_linked_slot_mask & slot_id)
+               score += 5; // increase score for tuners with direct sat connection
+       return score;
 }
 
 bool need_turn_fast(int turn_speed)
@@ -299,11 +309,10 @@ bool need_turn_fast(int turn_speed)
 
 RESULT eDVBSatelliteEquipmentControl::prepare(iDVBFrontend &frontend, FRONTENDPARAMETERS &parm, const eDVBFrontendParametersSatellite &sat, int slot_id, unsigned int tunetimeout)
 {
-       for (int idx=0; idx <= m_lnbidx; ++idx )
+       int lnb_idx = -1;
+       if (canTune(sat, &frontend, slot_id, &lnb_idx))
        {
-               eDVBSatelliteLNBParameters &lnb_param = m_lnbs[idx];
-               if (!(lnb_param.slot_mask & slot_id)) // lnb for correct tuner?
-                       continue;
+               eDVBSatelliteLNBParameters &lnb_param = m_lnbs[lnb_idx];
                eDVBSatelliteDiseqcParameters &di_param = lnb_param.m_diseqc_parameters;
                eDVBSatelliteRotorParameters &rotor_param = lnb_param.m_rotor_parameters;
 
@@ -842,6 +851,8 @@ RESULT eDVBSatelliteEquipmentControl::prepare(iDVBFrontend &frontend, FRONTENDPA
                        return 0;
                }
        }
+       else
+               eFatal("canTune failed in sec prepare!!! this should never ever happen!");
 
        eDebug("found no useable satellite configuration for orbital position (%d)", sat.orbital_position );
        return -1;