Effect AIDL: implement IEffect.reopen

 - add IEffect.reopen implementation
 - now data MQs can update at runtime, sync
   EffectContext access
 - add clang thread annotation

Bug: 302036943
Test: atest VtsHalAudioEffectTargetTest
Test: Build and test effect on Pixel
Change-Id: Ib344abb8be6ede07bf05ba3d4829672a9ef41374
Merged-In: Ib344abb8be6ede07bf05ba3d4829672a9ef41374
diff --git a/media/libaudiohal/impl/EffectConversionHelperAidl.cpp b/media/libaudiohal/impl/EffectConversionHelperAidl.cpp
index a807669..39999a5 100644
--- a/media/libaudiohal/impl/EffectConversionHelperAidl.cpp
+++ b/media/libaudiohal/impl/EffectConversionHelperAidl.cpp
@@ -187,16 +187,7 @@
         IEffect::OpenEffectReturn openReturn;
         RETURN_STATUS_IF_ERROR(
                 statusTFromBinderStatus(mEffect->open(common, std::nullopt, &openReturn)));
-
-        if (mIsProxyEffect) {
-            mStatusQ = std::static_pointer_cast<EffectProxy>(mEffect)->getStatusMQ();
-            mInputQ = std::static_pointer_cast<EffectProxy>(mEffect)->getInputMQ();
-            mOutputQ = std::static_pointer_cast<EffectProxy>(mEffect)->getOutputMQ();
-        } else {
-            mStatusQ = std::make_shared<StatusMQ>(openReturn.statusMQ);
-            mInputQ = std::make_shared<DataMQ>(openReturn.inputDataMQ);
-            mOutputQ = std::make_shared<DataMQ>(openReturn.outputDataMQ);
-        }
+        updateMqs(openReturn);
 
         if (status_t status = updateEventFlags(); status != OK) {
             ALOGV("%s closing at status %d", __func__, status);
@@ -213,6 +204,18 @@
     return *static_cast<int32_t*>(pReplyData) = OK;
 }
 
+void EffectConversionHelperAidl::updateMqs(const IEffect::OpenEffectReturn& ret) {
+    if (mIsProxyEffect) {
+        mStatusQ = std::static_pointer_cast<EffectProxy>(mEffect)->getStatusMQ();
+        mInputQ = std::static_pointer_cast<EffectProxy>(mEffect)->getInputMQ();
+        mOutputQ = std::static_pointer_cast<EffectProxy>(mEffect)->getOutputMQ();
+    } else {
+        mStatusQ = std::make_shared<StatusMQ>(ret.statusMQ);
+        mInputQ = std::make_shared<DataMQ>(ret.inputDataMQ);
+        mOutputQ = std::make_shared<DataMQ>(ret.outputDataMQ);
+    }
+}
+
 status_t EffectConversionHelperAidl::handleGetConfig(uint32_t cmdSize __unused,
                                                      const void* pCmdData __unused,
                                                      uint32_t* replySize, void* pReplyData) {
@@ -505,5 +508,13 @@
     return desc;
 }
 
+status_t EffectConversionHelperAidl::reopen() {
+    IEffect::OpenEffectReturn openReturn;
+    RETURN_STATUS_IF_ERROR(statusTFromBinderStatus(mEffect->reopen(&openReturn)));
+
+    updateMqs(openReturn);
+    return OK;
+}
+
 }  // namespace effect
 }  // namespace android
diff --git a/media/libaudiohal/impl/EffectConversionHelperAidl.h b/media/libaudiohal/impl/EffectConversionHelperAidl.h
index 5db334c..8b9efb3 100644
--- a/media/libaudiohal/impl/EffectConversionHelperAidl.h
+++ b/media/libaudiohal/impl/EffectConversionHelperAidl.h
@@ -47,6 +47,7 @@
     bool isBypassingOrTunnel() const;
 
     ::aidl::android::hardware::audio::effect::Descriptor getDescriptor() const;
+    status_t reopen();
 
   protected:
     const int32_t mSessionId;
@@ -108,6 +109,8 @@
     std::shared_ptr<android::hardware::EventFlag> mEfGroup = nullptr;
     status_t updateEventFlags();
 
+    void updateMqs(const ::aidl::android::hardware::audio::effect::IEffect::OpenEffectReturn& ret);
+
     status_t handleInit(uint32_t cmdSize, const void* pCmdData, uint32_t* replySize,
                         void* pReplyData);
     status_t handleSetConfig(uint32_t cmdSize, const void* pCmdData, uint32_t* replySize,
diff --git a/media/libaudiohal/impl/EffectHalAidl.cpp b/media/libaudiohal/impl/EffectHalAidl.cpp
index f26444c..2836727 100644
--- a/media/libaudiohal/impl/EffectHalAidl.cpp
+++ b/media/libaudiohal/impl/EffectHalAidl.cpp
@@ -56,6 +56,7 @@
 using ::aidl::android::hardware::audio::effect::Descriptor;
 using ::aidl::android::hardware::audio::effect::IEffect;
 using ::aidl::android::hardware::audio::effect::IFactory;
+using ::aidl::android::hardware::audio::effect::kEventFlagDataMqUpdate;
 using ::aidl::android::hardware::audio::effect::State;
 
 namespace android {
@@ -165,26 +166,37 @@
 
 // write to input FMQ here, wait for statusMQ STATUS_OK, and read from output FMQ
 status_t EffectHalAidl::process() {
+    const std::string effectName = mConversion->getDescriptor().common.name;
     State state = State::INIT;
     if (mConversion->isBypassing() || !mEffect->getState(&state).isOk() ||
         state != State::PROCESSING) {
-        ALOGI("%s skipping %s process because it's %s", __func__,
-              mConversion->getDescriptor().common.name.c_str(),
+        ALOGI("%s skipping %s process because it's %s", __func__, effectName.c_str(),
               mConversion->isBypassing()
                       ? "bypassing"
                       : aidl::android::hardware::audio::effect::toString(state).c_str());
         return -ENODATA;
     }
 
+    // check if the DataMq needs any update, timeout at 1ns to avoid being blocked
+    auto efGroup = mConversion->getEventFlagGroup();
+    if (!efGroup) {
+        ALOGE("%s invalid efGroup", __func__);
+        return INVALID_OPERATION;
+    }
+
+    if (uint32_t efState = 0;
+        ::android::OK == efGroup->wait(kEventFlagDataMqUpdate, &efState, 1 /* ns */,
+                                       true /* retry */)) {
+        ALOGI("%s %s receive dataMQUpdate eventFlag from HAL", __func__, effectName.c_str());
+        mConversion->reopen();
+    }
     auto statusQ = mConversion->getStatusMQ();
     auto inputQ = mConversion->getInputMQ();
     auto outputQ = mConversion->getOutputMQ();
-    auto efGroup = mConversion->getEventFlagGroup();
     if (!statusQ || !statusQ->isValid() || !inputQ || !inputQ->isValid() || !outputQ ||
-        !outputQ->isValid() || !efGroup) {
-        ALOGE("%s invalid FMQ [Status %d I %d O %d] efGroup %p", __func__,
-              statusQ ? statusQ->isValid() : 0, inputQ ? inputQ->isValid() : 0,
-              outputQ ? outputQ->isValid() : 0, efGroup.get());
+        !outputQ->isValid()) {
+        ALOGE("%s invalid FMQ [Status %d I %d O %d]", __func__, statusQ ? statusQ->isValid() : 0,
+              inputQ ? inputQ->isValid() : 0, outputQ ? outputQ->isValid() : 0);
         return INVALID_OPERATION;
     }
 
@@ -225,8 +237,8 @@
         return INVALID_OPERATION;
     }
 
-    ALOGD("%s %s consumed %zu produced %zu", __func__,
-          mConversion->getDescriptor().common.name.c_str(), floatsToWrite, floatsToRead);
+    ALOGD("%s %s consumed %zu produced %zu", __func__, effectName.c_str(), floatsToWrite,
+          floatsToRead);
     return OK;
 }