commit 4a8ac29204309c0922be0c7b125285462ac36934
author Hongguang <hgchen@google.com> Tue Aug 09 14:02:03 2022 -0700
committer Hongguang <hgchen@google.com> Tue Aug 23 15:37:21 2022 -0700
tree f81f8febddfc5e6c1aafcd11dc008e3da5557ffc
parent 585a94748892320f9543a867447f0627962df88b

Make the default tuner HAL to be a dynamic AIDL

Add lazy tuner service.
Refine code to allow Tuner reference count to be 0 when no one uses it.

Bug: 236002754
Test: atest VtsHalTvTunerTargetTest on both lazy and normal HALs
Test: atest android.media.tv.tuner.cts on both lazy and normal HALs
Change-Id: I0cc69fe8ffd79a66db00cb72d212c222130629b5

tv/tuner/aidl/default/Frontend.cpp

diff --git a/tv/tuner/aidl/default/Frontend.cpp b/tv/tuner/aidl/default/Frontend.cpp
index 3f7797c..0573d08 100644
--- a/tv/tuner/aidl/default/Frontend.cpp
+++ b/tv/tuner/aidl/default/Frontend.cpp
@@ -28,10 +28,10 @@
 namespace tv {
 namespace tuner {
 
-Frontend::Frontend(FrontendType type, int32_t id, std::shared_ptr<Tuner> tuner) {
+Frontend::Frontend(FrontendType type, int32_t id) {
     mType = type;
     mId = id;
-    mTuner = tuner;
+    mTuner = nullptr;
     // Init callback to nullptr
     mCallback = nullptr;
 
@@ -170,7 +170,12 @@
     }
 }
 
-Frontend::~Frontend() {}
+Frontend::~Frontend() {
+    ALOGV("%s", __FUNCTION__);
+    mCallback = nullptr;
+    mIsLocked = false;
+    mTuner = nullptr;
+}
 
 ::ndk::ScopedAStatus Frontend::close() {
     ALOGV("%s", __FUNCTION__);
@@ -178,6 +183,7 @@
     mCallback = nullptr;
     mIsLocked = false;
     mTuner->removeFrontend(mId);
+    mTuner = nullptr;
 
     return ::ndk::ScopedAStatus::ok();
 }
@@ -233,6 +239,10 @@
     return ::ndk::ScopedAStatus::ok();
 }
 
+void Frontend::setTunerService(std::shared_ptr<Tuner> tuner) {
+    mTuner = tuner;
+}
+
 void Frontend::scanThreadLoop() {
     if (mIsLocked) {
         FrontendScanMessage msg;