+
+ if( i_frequency > 0 || i_standard > 0) {
+ IKsPropertySet *pKs = NULL;
+ DWORD dw_supported = 0;
+ KSPROPERTY_TUNER_MODE_CAPS_S ModeCaps;
+ KSPROPERTY_TUNER_FREQUENCY_S Frequency;
+ KSPROPERTY_TUNER_STANDARD_S Standard;
+
+ hr = p_TV->QueryInterface(IID_IKsPropertySet,(void **)&pKs);
+ if (FAILED(hr))
+ {
+ msg_Dbg( p_this, "Couldn't QI for IKsPropertySet" );
+ p_TV->Release();
+ return;
+ }
+
+ memset(&ModeCaps,0,sizeof(KSPROPERTY_TUNER_MODE_CAPS_S));
+ memset(&Frequency,0,sizeof(KSPROPERTY_TUNER_FREQUENCY_S));
+ memset(&Standard,0,sizeof(KSPROPERTY_TUNER_STANDARD_S));
+ ModeCaps.Mode = AMTUNER_MODE_TV;
+
+ hr = pKs->QuerySupported(PROPSETID_TUNER,
+ KSPROPERTY_TUNER_MODE_CAPS,&dw_supported);
+ if(SUCCEEDED(hr) && dw_supported&KSPROPERTY_SUPPORT_GET)
+ {
+ DWORD cbBytes=0;
+ hr = pKs->Get(PROPSETID_TUNER,KSPROPERTY_TUNER_MODE_CAPS,
+ INSTANCEDATA_OF_PROPERTY_PTR(&ModeCaps),
+ INSTANCEDATA_OF_PROPERTY_SIZE(ModeCaps),
+ &ModeCaps,
+ sizeof(ModeCaps),
+ &cbBytes);
+ }
+ else
+ {
+ msg_Dbg( p_this, "KSPROPERTY_TUNER_MODE_CAPS not supported!" );
+ goto free_on_error;
+ }
+
+ msg_Dbg( p_this, "Frequency range supproted from %d to %d.", ModeCaps.MinFrequency, ModeCaps.MaxFrequency);
+ msg_Dbg( p_this, "Video standards supproted by the tuner: ");
+ for(int i = 0 ; i < ARRAY_SIZE(ppsz_standards_list_text); i++) {
+ if(ModeCaps.StandardsSupported & i_standards_list[i])
+ msg_Dbg( p_this, "%s, ", ppsz_standards_list_text[i]);
+ }
+
+ if(i_frequency > 0) {
+ Frequency.Frequency=i_frequency;
+ if(ModeCaps.Strategy==KS_TUNER_STRATEGY_DRIVER_TUNES)
+ Frequency.TuningFlags=KS_TUNER_TUNING_FINE;
+ else
+ Frequency.TuningFlags=KS_TUNER_TUNING_EXACT;
+
+ if(i_frequency>=ModeCaps.MinFrequency && i_frequency<=ModeCaps.MaxFrequency)
+ {
+
+ hr = pKs->Set(PROPSETID_TUNER,
+ KSPROPERTY_TUNER_FREQUENCY,
+ INSTANCEDATA_OF_PROPERTY_PTR(&Frequency),
+ INSTANCEDATA_OF_PROPERTY_SIZE(Frequency),
+ &Frequency,
+ sizeof(Frequency));
+ if(FAILED(hr))
+ {
+ msg_Dbg( p_this, "Couldn't set KSPROPERTY_TUNER_FREQUENCY!" );
+ goto free_on_error;
+ }
+ }
+ else
+ {
+ msg_Dbg( p_this, "Requested frequency exceeds the supported range!" );
+ goto free_on_error;
+ }
+ }
+
+ if(i_standard > 0) {
+ if(i_standard & ModeCaps.StandardsSupported )
+ {
+ Standard.Standard = i_standard;
+ hr = pKs->Set(PROPSETID_TUNER,
+ KSPROPERTY_TUNER_STANDARD,
+ INSTANCEDATA_OF_PROPERTY_PTR(&Standard),
+ INSTANCEDATA_OF_PROPERTY_SIZE(Standard),
+ &Standard,
+ sizeof(Standard));
+ if(FAILED(hr))
+ {
+ msg_Dbg( p_this, "Couldn't set KSPROPERTY_TUNER_STANDARD!" );
+ goto free_on_error;
+ }
+ }
+ else
+ {
+ msg_Dbg( p_this, "Requested video standard is not supported by the tuner!" );
+ goto free_on_error;
+ }
+ }
+free_on_error:
+ pKs->Release();
+ }
+