Add API to filter out unnecessary PIDs from frontend output.

Bug: 213287138
Test: atest VtsHalTvTunerTargetTest
Change-Id: I075d68d722b2804f54d57a1ac9c350e2a9724ae3
diff --git a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/IFrontend.aidl b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/IFrontend.aidl
index e7aa070..e240e40 100644
--- a/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/IFrontend.aidl
+++ b/tv/tuner/aidl/aidl_api/android.hardware.tv.tuner/current/android/hardware/tv/tuner/IFrontend.aidl
@@ -46,4 +46,5 @@
   int linkCiCam(in int ciCamId);
   void unlinkCiCam(in int ciCamId);
   String getHardwareInfo();
+  void removeOutputPid(int pid);
 }
diff --git a/tv/tuner/aidl/android/hardware/tv/tuner/IFrontend.aidl b/tv/tuner/aidl/android/hardware/tv/tuner/IFrontend.aidl
index 5b3ce39..f8248e6 100644
--- a/tv/tuner/aidl/android/hardware/tv/tuner/IFrontend.aidl
+++ b/tv/tuner/aidl/android/hardware/tv/tuner/IFrontend.aidl
@@ -146,4 +146,13 @@
      * @return the frontend hardware information.
      */
     String getHardwareInfo();
+
+    /**
+     * Filter out unnecessary PID from frontend output.
+     *
+     * @param pid specify the PID will be filtered out.
+     *
+     * @return UNAVAILABLE if the frontend doesn’t support PID filtering out.
+     */
+    void removeOutputPid(int pid);
 }
diff --git a/tv/tuner/aidl/default/Frontend.cpp b/tv/tuner/aidl/default/Frontend.cpp
index 714612d..9fcb432 100644
--- a/tv/tuner/aidl/default/Frontend.cpp
+++ b/tv/tuner/aidl/default/Frontend.cpp
@@ -759,6 +759,13 @@
     return ::ndk::ScopedAStatus::ok();
 }
 
+::ndk::ScopedAStatus Frontend::removeOutputPid(int32_t /* in_pid */) {
+    ALOGV("%s", __FUNCTION__);
+
+    return ::ndk::ScopedAStatus::fromServiceSpecificError(
+            static_cast<int32_t>(Result::UNAVAILABLE));
+}
+
 FrontendType Frontend::getFrontendType() {
     return mType;
 }
diff --git a/tv/tuner/aidl/default/Frontend.h b/tv/tuner/aidl/default/Frontend.h
index fdedf1e..3df1aa1 100644
--- a/tv/tuner/aidl/default/Frontend.h
+++ b/tv/tuner/aidl/default/Frontend.h
@@ -50,6 +50,7 @@
     ::ndk::ScopedAStatus linkCiCam(int32_t in_ciCamId, int32_t* _aidl_return) override;
     ::ndk::ScopedAStatus unlinkCiCam(int32_t in_ciCamId) override;
     ::ndk::ScopedAStatus getHardwareInfo(std::string* _aidl_return) override;
+    ::ndk::ScopedAStatus removeOutputPid(int32_t in_pid) override;
 
     binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
 
diff --git a/tv/tuner/aidl/vts/functional/FrontendTests.cpp b/tv/tuner/aidl/vts/functional/FrontendTests.cpp
index 41e98ea..a9feeab 100644
--- a/tv/tuner/aidl/vts/functional/FrontendTests.cpp
+++ b/tv/tuner/aidl/vts/functional/FrontendTests.cpp
@@ -298,6 +298,13 @@
     return AssertionResult(status.isOk());
 }
 
+AssertionResult FrontendTests::removeOutputPid(int32_t removePid) {
+    ndk::ScopedAStatus status;
+    status = mFrontend->removeOutputPid(removePid);
+    return AssertionResult(status.isOk() || status.getServiceSpecificError() ==
+                                                    static_cast<int32_t>(Result::UNAVAILABLE));
+}
+
 AssertionResult FrontendTests::unlinkCiCam(int32_t ciCamId) {
     ndk::ScopedAStatus status = mFrontend->unlinkCiCam(ciCamId);
     return AssertionResult(status.isOk());
@@ -501,6 +508,7 @@
     ASSERT_TRUE(setFrontendCallback());
     if (frontendConf.canConnectToCiCam) {
         ASSERT_TRUE(linkCiCam(frontendConf.ciCamId));
+        ASSERT_TRUE(removeOutputPid(frontendConf.removePid));
         ASSERT_TRUE(unlinkCiCam(frontendConf.ciCamId));
     }
     ASSERT_TRUE(tuneFrontend(frontendConf, false /*testWithDemux*/));
diff --git a/tv/tuner/aidl/vts/functional/FrontendTests.h b/tv/tuner/aidl/vts/functional/FrontendTests.h
index 1745f76..537c419 100644
--- a/tv/tuner/aidl/vts/functional/FrontendTests.h
+++ b/tv/tuner/aidl/vts/functional/FrontendTests.h
@@ -95,6 +95,7 @@
     AssertionResult linkCiCam(int32_t ciCamId);
     AssertionResult unlinkCiCam(int32_t ciCamId);
     AssertionResult verifyHardwareInfo();
+    AssertionResult removeOutputPid(int32_t removePid);
 
     void getFrontendIdByType(FrontendType feType, int32_t& feId);
     void tuneTest(FrontendConfig frontendConf);
diff --git a/tv/tuner/config/TunerTestingConfigAidlReaderV1_0.h b/tv/tuner/config/TunerTestingConfigAidlReaderV1_0.h
index b73d594..3009c4a 100644
--- a/tv/tuner/config/TunerTestingConfigAidlReaderV1_0.h
+++ b/tv/tuner/config/TunerTestingConfigAidlReaderV1_0.h
@@ -83,6 +83,7 @@
     FrontendType type;
     bool canConnectToCiCam;
     int32_t ciCamId;
+    int32_t removePid;
     FrontendSettings settings;
     vector<FrontendStatusType> tuneStatusTypes;
     vector<FrontendStatus> expectTuneStatuses;
@@ -304,7 +305,8 @@
                 // TODO: b/182519645 complete the tune status config
                 frontendMap[id].tuneStatusTypes = types;
                 frontendMap[id].expectTuneStatuses = statuses;
-                getCiCamInfo(feConfig, frontendMap[id].canConnectToCiCam, frontendMap[id].ciCamId);
+                getCiCamInfo(feConfig, frontendMap[id].canConnectToCiCam, frontendMap[id].ciCamId,
+                             frontendMap[id].removePid);
             }
         }
     }
@@ -1004,13 +1006,16 @@
         return recordSettings;
     }
 
-    static void getCiCamInfo(Frontend feConfig, bool& canConnectToCiCam, int32_t& ciCamId) {
+    static void getCiCamInfo(Frontend feConfig, bool& canConnectToCiCam, int32_t& ciCamId,
+                             int32_t& removePid) {
         if (!feConfig.hasConnectToCicamId()) {
             canConnectToCiCam = false;
             ciCamId = -1;
+            removePid = -1;
             return;
         }
         canConnectToCiCam = true;
         ciCamId = static_cast<int32_t>(feConfig.getConnectToCicamId());
+        removePid = static_cast<int32_t>(feConfig.getRemoveOutputPid());
     }
 };
diff --git a/tv/tuner/config/api/current.txt b/tv/tuner/config/api/current.txt
index 4d519d7..383d49f 100644
--- a/tv/tuner/config/api/current.txt
+++ b/tv/tuner/config/api/current.txt
@@ -317,6 +317,7 @@
     method @Nullable public java.math.BigInteger getFrequency();
     method @Nullable public String getId();
     method @Nullable public boolean getIsSoftwareFrontend();
+    method @Nullable public java.math.BigInteger getRemoveOutputPid();
     method @Nullable public android.media.tuner.testing.configuration.V1_0.FrontendTypeEnum getType();
     method public void setConnectToCicamId(@Nullable java.math.BigInteger);
     method public void setDvbsFrontendSettings_optional(@Nullable android.media.tuner.testing.configuration.V1_0.DvbsFrontendSettings);
@@ -325,6 +326,7 @@
     method public void setFrequency(@Nullable java.math.BigInteger);
     method public void setId(@Nullable String);
     method public void setIsSoftwareFrontend(@Nullable boolean);
+    method public void setRemoveOutputPid(@Nullable java.math.BigInteger);
     method public void setType(@Nullable android.media.tuner.testing.configuration.V1_0.FrontendTypeEnum);
   }
 
diff --git a/tv/tuner/config/sample_tuner_vts_config_aidl_V1.xml b/tv/tuner/config/sample_tuner_vts_config_aidl_V1.xml
index da77200..fefe86e 100644
--- a/tv/tuner/config/sample_tuner_vts_config_aidl_V1.xml
+++ b/tv/tuner/config/sample_tuner_vts_config_aidl_V1.xml
@@ -42,6 +42,8 @@
                 "softwareFeInputPath": used as the source of the software frontend.
                 "connectToCicamId": if the device supports frontend connecting to cicam, the target
                     cicam id needs to be configured here. Supported in Tuner 1.1 or higher.
+                "removeOutputPid": the unnecessary PID will be filtered out from frontend
+                    output. Supported in Tuner 2.0 or higher.
                 "frequency": the frequency used to configure tune and scan.
                 "endFrequency": the end frequency of scan. Supported in Tuner 1.1 or higher.
 
@@ -53,11 +55,13 @@
         -->
         <frontends>
             <frontend id="FE_DEFAULT" type="DVBT" isSoftwareFrontend="true"
-                      connectToCicamId="0" frequency="578000000" endFrequency="800000000">
+                      connectToCicamId="0" removeOutputPid="10" frequency="578000000"
+                      endFrequency="800000000">
                 <dvbtFrontendSettings bandwidth="8" transmissionMode="128" isHighPriority="1"/>
             </frontend>
             <frontend id="FE_DVBS_0" type="DVBS" isSoftwareFrontend="true"
-                      connectToCicamId="0" frequency="578000000" endFrequency="800000000">
+                      connectToCicamId="0" removeOutputPid="10" frequency="578000000"
+                      endFrequency="800000000">
             </frontend>
         </frontends>
         <!-- Filter section:
diff --git a/tv/tuner/config/tuner_testing_dynamic_configuration.xsd b/tv/tuner/config/tuner_testing_dynamic_configuration.xsd
index 94f108b..59abd9a 100644
--- a/tv/tuner/config/tuner_testing_dynamic_configuration.xsd
+++ b/tv/tuner/config/tuner_testing_dynamic_configuration.xsd
@@ -94,6 +94,8 @@
                     "connectToCicamId": if the device supports frontend connecting to cicam, the
                         target cicam id needs to be configured here. Supported in Tuner 1.1 or
                         higher.
+                    "removeOutputPid": the unnecessary PID will be filtered out from frontend
+                        output. Supported in Tuner 2.0 or higher.
                     "frequency": the frequency used to configure tune and scan.
                     "endFrequency": the end frequency of scan. Supported in Tuner 1.1 or higher.
 
@@ -125,6 +127,7 @@
         <xs:attribute name="isSoftwareFrontend" type="xs:boolean" use="required"/>
         <xs:attribute name="frequency" type="xs:nonNegativeInteger" use="required"/>
         <xs:attribute name="connectToCicamId" type="xs:nonNegativeInteger" use="optional"/>
+        <xs:attribute name="removeOutputPid" type="xs:nonNegativeInteger" use="optional"/>
         <xs:attribute name="endFrequency" type="xs:nonNegativeInteger" use="optional"/>
     </xs:complexType>