Improve Tuner VTS Configuration: Enable Descrambling

This CL allows vendors to configure the Descrambling data flow in their
configuration files for the Tuner Hardware. Their connections were
checked to ensure their validity. Additionally, vendors can now give an
extra list of optional filters that can be utilized in the data flow.

Bug: b/182519645

Test: vts-tradefed run vts --module VtsHalTvTunerTargetTest
Change-Id: Iaa216876307571afa3ae6baf4624d0da14657439
diff --git a/tv/tuner/aidl/vts/functional/VtsHalTvTunerTargetTest.h b/tv/tuner/aidl/vts/functional/VtsHalTvTunerTargetTest.h
index 3e1e912..34aaad9 100644
--- a/tv/tuner/aidl/vts/functional/VtsHalTvTunerTargetTest.h
+++ b/tv/tuner/aidl/vts/functional/VtsHalTvTunerTargetTest.h
@@ -37,6 +37,7 @@
     initFilterConfig();
     initDvrConfig();
     initTimeFilterConfig();
+    initDescramblerConfig();
     connectHardwaresToTestCases();
     if (!validateConnections()) {
         ALOGW("[vts] failed to validate connections.");
diff --git a/tv/tuner/aidl/vts/functional/VtsHalTvTunerTestConfigurations.h b/tv/tuner/aidl/vts/functional/VtsHalTvTunerTestConfigurations.h
index 5e09b58..c7f6db3 100644
--- a/tv/tuner/aidl/vts/functional/VtsHalTvTunerTestConfigurations.h
+++ b/tv/tuner/aidl/vts/functional/VtsHalTvTunerTestConfigurations.h
@@ -167,12 +167,18 @@
     TunerTestingConfigAidlReader1_0::readTimeFilterConfig1_0(timeFilterMap);
 };
 
+inline void initDescramblerConfig() {
+    // Read customized config
+    TunerTestingConfigAidlReader1_0::readDescramblerConfig1_0(descramblerMap);
+}
+
 /** Read the vendor configurations of which hardware to use for each test cases/data flows */
 inline void connectHardwaresToTestCases() {
     TunerTestingConfigAidlReader1_0::connectLiveBroadcast(live);
     TunerTestingConfigAidlReader1_0::connectScan(scan);
     TunerTestingConfigAidlReader1_0::connectDvrRecord(record);
     TunerTestingConfigAidlReader1_0::connectTimeFilter(timeFilter);
+    TunerTestingConfigAidlReader1_0::connectDescrambling(descrambling);
 };
 
 inline bool validateConnections() {
@@ -189,6 +195,9 @@
     feIsValid &= record.support && record.hasFrontendConnection
                          ? frontendMap.find(record.frontendId) != frontendMap.end()
                          : true;
+    feIsValid &= descrambling.support && descrambling.hasFrontendConnection
+                         ? frontendMap.find(descrambling.frontendId) != frontendMap.end()
+                         : true;
 
     if (!feIsValid) {
         ALOGW("[vts config] dynamic config fe connection is invalid.");
@@ -210,6 +219,16 @@
         dvrIsValid &= dvrMap.find(record.dvrRecordId) != dvrMap.end();
     }
 
+    if (descrambling.support) {
+        if (descrambling.hasFrontendConnection) {
+            if (frontendMap[descrambling.frontendId].isSoftwareFe) {
+                dvrIsValid &= dvrMap.find(descrambling.dvrSoftwareFeId) != dvrMap.end();
+            }
+        } else {
+            dvrIsValid &= dvrMap.find(descrambling.dvrSourceId) != dvrMap.end();
+        }
+    }
+
     if (!dvrIsValid) {
         ALOGW("[vts config] dynamic config dvr connection is invalid.");
         return false;
@@ -222,6 +241,15 @@
     filterIsValid &=
             record.support ? filterMap.find(record.recordFilterId) != filterMap.end() : true;
 
+    filterIsValid &= descrambling.support
+                             ? filterMap.find(descrambling.videoFilterId) != filterMap.end() &&
+                                       filterMap.find(descrambling.audioFilterId) != filterMap.end()
+                             : true;
+
+    for (auto& filterId : descrambling.extraFilters) {
+        filterIsValid &= filterMap.find(filterId) != filterMap.end();
+    }
+
     if (!filterIsValid) {
         ALOGW("[vts config] dynamic config filter connection is invalid.");
         return false;
@@ -233,6 +261,15 @@
 
     if (!timeFilterIsValid) {
         ALOGW("[vts config] dynamic config time filter connection is invalid.");
+    }
+
+    bool descramblerIsValid =
+            descrambling.support
+                    ? descramblerMap.find(descrambling.descramblerId) != descramblerMap.end()
+                    : true;
+
+    if (!descramblerIsValid) {
+        ALOGW("[vts config] dynamic config descrambler connection is invalid.");
         return false;
     }
 
diff --git a/tv/tuner/config/TunerTestingConfigAidlReaderV1_0.h b/tv/tuner/config/TunerTestingConfigAidlReaderV1_0.h
index e0118cd..ebcbd70 100644
--- a/tv/tuner/config/TunerTestingConfigAidlReaderV1_0.h
+++ b/tv/tuner/config/TunerTestingConfigAidlReaderV1_0.h
@@ -173,7 +173,7 @@
     string videoFilterId;
     string descramblerId;
     string dvrSourceId;
-    /* list string of extra filters; */
+    vector<string> extraFilters;
 };
 
 struct LnbLiveHardwareConnections {
@@ -582,6 +582,10 @@
             descrambling.hasFrontendConnection = false;
             descrambling.dvrSourceId = descConfig.getDvrSourceConnection();
         }
+        if (descConfig.hasOptionalFilters()) {
+            auto optionalFilters = descConfig.getOptionalFilters();
+            descrambling.extraFilters = optionalFilters;
+        }
     }
 
     static void connectLnbLive(LnbLiveHardwareConnections& lnbLive) {
diff --git a/tv/tuner/config/api/current.txt b/tv/tuner/config/api/current.txt
index aa7b88c..39e3bab 100644
--- a/tv/tuner/config/api/current.txt
+++ b/tv/tuner/config/api/current.txt
@@ -67,6 +67,7 @@
     method @Nullable public String getDvrSourceConnection();
     method @Nullable public String getFrontendConnection();
     method @Nullable public boolean getHasFrontendConnection();
+    method @Nullable public java.util.List<java.lang.String> getOptionalFilters();
     method @Nullable public String getVideoFilterConnection();
     method public void setAudioFilterConnection(@Nullable String);
     method public void setDescramblerConnection(@Nullable String);
@@ -74,6 +75,7 @@
     method public void setDvrSourceConnection(@Nullable String);
     method public void setFrontendConnection(@Nullable String);
     method public void setHasFrontendConnection(@Nullable boolean);
+    method public void setOptionalFilters(@Nullable java.util.List<java.lang.String>);
     method public void setVideoFilterConnection(@Nullable String);
   }
 
diff --git a/tv/tuner/config/tuner_testing_dynamic_configuration.xsd b/tv/tuner/config/tuner_testing_dynamic_configuration.xsd
index 282433e..05f1327 100644
--- a/tv/tuner/config/tuner_testing_dynamic_configuration.xsd
+++ b/tv/tuner/config/tuner_testing_dynamic_configuration.xsd
@@ -651,6 +651,7 @@
                     <xs:attribute name="audioFilterConnection" type="filterId" use="required"/>
                     <xs:attribute name="videoFilterConnection" type="filterId" use="required"/>
                     <!-- TODO: b/182519645 allow the users to insert extra filters -->
+                    <xs:element name="optionalFilters" type="filterConnections" minOccurs="0" maxOccurs="1"/>
                     <!-- This DVR is only required when the frontend is using the software input -->
                     <xs:attribute name="dvrSoftwareFeConnection" type="dvrId" use="optional"/>
                     <!-- This Dvr is only required when there's no frontend(sw or hw) connection -->