AIDL effect: Add effect AIDL implementationi and vts test
Bug: 238913361
Test: atest VtsHalAudioEffectTargetTest; atest VtsHalAudioEffectFactoryTargetTest
Merged-In: If8000b7396360996bdfb8eb269bc3de543871673
Change-Id: If8000b7396360996bdfb8eb269bc3de543871673
diff --git a/audio/aidl/default/EffectFactory.cpp b/audio/aidl/default/EffectFactory.cpp
index a9848fd..4877956 100644
--- a/audio/aidl/default/EffectFactory.cpp
+++ b/audio/aidl/default/EffectFactory.cpp
@@ -16,57 +16,156 @@
#define LOG_TAG "AHAL_EffectFactory"
#include <android-base/logging.h>
+#include <dlfcn.h>
+#include "effect-impl/EffectUUID.h"
#include "effectFactory-impl/EffectFactory.h"
-#include "equalizer-impl/Equalizer.h"
-#include "visualizer-impl/Visualizer.h"
using aidl::android::media::audio::common::AudioUuid;
namespace aidl::android::hardware::audio::effect {
Factory::Factory() {
- // TODO: implement this with xml parser on audio_effect.xml, and filter with optional
- // parameters.
+ std::function<void(void*)> dlClose = [](void* handle) -> void {
+ if (handle && dlclose(handle)) {
+ LOG(ERROR) << "dlclose failed " << dlerror();
+ }
+ };
+ // TODO: implement this with audio_effect.xml.
+ auto libHandle =
+ std::unique_ptr<void, decltype(dlClose)>{dlopen("libequalizer.so", RTLD_LAZY), dlClose};
+ if (!libHandle) {
+ LOG(ERROR) << __func__ << ": dlopen failed, err: " << dlerror();
+ return;
+ }
+
+ LOG(DEBUG) << __func__ << " dlopen uuid: " << EqualizerSwImplUUID.toString() << " handle "
+ << libHandle;
+ mEffectLibMap.insert({EqualizerSwImplUUID, std::make_pair(std::move(libHandle), nullptr)});
+
Descriptor::Identity id;
id.type = EqualizerTypeUUID;
id.uuid = EqualizerSwImplUUID;
mIdentityList.push_back(id);
}
-ndk::ScopedAStatus Factory::queryEffects(const std::optional<AudioUuid>& in_type,
- const std::optional<AudioUuid>& in_instance,
+Factory::~Factory() {
+ if (auto count = mEffectUuidMap.size()) {
+ LOG(ERROR) << __func__ << " remaining " << count
+ << " effect instances not destroyed indicating resource leak!";
+ for (const auto& it : mEffectUuidMap) {
+ if (auto spEffect = it.first.lock()) {
+ LOG(ERROR) << __func__ << " erase remaining instance UUID " << it.second.toString();
+ destroyEffectImpl(spEffect);
+ }
+ }
+ }
+}
+
+ndk::ScopedAStatus Factory::queryEffects(const std::optional<AudioUuid>& in_type_uuid,
+ const std::optional<AudioUuid>& in_impl_uuid,
std::vector<Descriptor::Identity>* _aidl_return) {
std::copy_if(mIdentityList.begin(), mIdentityList.end(), std::back_inserter(*_aidl_return),
[&](auto& desc) {
- return (!in_type.has_value() || in_type.value() == desc.type) &&
- (!in_instance.has_value() || in_instance.value() == desc.uuid);
+ return (!in_type_uuid.has_value() || in_type_uuid.value() == desc.type) &&
+ (!in_impl_uuid.has_value() || in_impl_uuid.value() == desc.uuid);
});
return ndk::ScopedAStatus::ok();
}
-ndk::ScopedAStatus Factory::createEffect(
- const AudioUuid& in_impl_uuid,
- std::shared_ptr<::aidl::android::hardware::audio::effect::IEffect>* _aidl_return) {
+#define RETURN_IF_BINDER_EXCEPTION(functor) \
+ { \
+ binder_exception_t exception = functor; \
+ if (EX_NONE != exception) { \
+ LOG(ERROR) << #functor << ": failed with error " << exception; \
+ return ndk::ScopedAStatus::fromExceptionCode(exception); \
+ } \
+ }
+
+ndk::ScopedAStatus Factory::createEffect(const AudioUuid& in_impl_uuid,
+ std::shared_ptr<IEffect>* _aidl_return) {
LOG(DEBUG) << __func__ << ": UUID " << in_impl_uuid.toString();
if (in_impl_uuid == EqualizerSwImplUUID) {
- *_aidl_return = ndk::SharedRefBase::make<Equalizer>();
+ if (mEffectLibMap.count(in_impl_uuid)) {
+ auto& lib = mEffectLibMap[in_impl_uuid];
+ // didn't do dlsym yet
+ if (nullptr == lib.second) {
+ void* libHandle = lib.first.get();
+ struct effect_interface_s intf = {
+ .createEffectFunc = (EffectCreateFunctor)dlsym(libHandle, "createEffect"),
+ .destroyEffectFunc =
+ (EffectDestroyFunctor)dlsym(libHandle, "destroyEffect")};
+ auto dlInterface = std::make_unique<struct effect_interface_s>(intf);
+ if (!dlInterface->createEffectFunc || !dlInterface->destroyEffectFunc) {
+ LOG(ERROR) << __func__
+ << ": create or destroy symbol not exist in library: " << libHandle
+ << "!";
+ return ndk::ScopedAStatus::fromExceptionCode(EX_TRANSACTION_FAILED);
+ }
+ lib.second = std::move(dlInterface);
+ }
+
+ auto& libInterface = lib.second;
+ std::shared_ptr<IEffect> effectSp;
+ RETURN_IF_BINDER_EXCEPTION(libInterface->createEffectFunc(&effectSp));
+ if (!effectSp) {
+ LOG(ERROR) << __func__ << ": library created null instance without return error!";
+ return ndk::ScopedAStatus::fromExceptionCode(EX_TRANSACTION_FAILED);
+ }
+ *_aidl_return = effectSp;
+ mEffectUuidMap[std::weak_ptr<IEffect>(effectSp)] = in_impl_uuid;
+ LOG(DEBUG) << __func__ << ": instance " << effectSp.get() << " created successfully";
+ return ndk::ScopedAStatus::ok();
+ } else {
+ LOG(ERROR) << __func__ << ": library doesn't exist";
+ return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+ }
} else {
- LOG(ERROR) << __func__ << ": UUID "
- << " not supported";
+ LOG(ERROR) << __func__ << ": UUID not supported";
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
}
return ndk::ScopedAStatus::ok();
}
-ndk::ScopedAStatus Factory::destroyEffect(
- const std::shared_ptr<::aidl::android::hardware::audio::effect::IEffect>& in_handle) {
- if (in_handle) {
- // TODO: b/245393900 need check the instance state with IEffect.getState before destroy.
+ndk::ScopedAStatus Factory::destroyEffectImpl(const std::shared_ptr<IEffect>& in_handle) {
+ std::weak_ptr<IEffect> wpHandle(in_handle);
+ // find UUID with key (std::weak_ptr<IEffect>)
+ if (auto uuidIt = mEffectUuidMap.find(wpHandle); uuidIt != mEffectUuidMap.end()) {
+ auto& uuid = uuidIt->second;
+ // find implementation library with UUID
+ if (auto libIt = mEffectLibMap.find(uuid); libIt != mEffectLibMap.end()) {
+ if (libIt->second.second->destroyEffectFunc) {
+ RETURN_IF_BINDER_EXCEPTION(libIt->second.second->destroyEffectFunc(in_handle));
+ }
+ } else {
+ LOG(ERROR) << __func__ << ": UUID " << uuid.toString() << " does not exist in libMap!";
+ return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+ }
+ mEffectUuidMap.erase(uuidIt);
return ndk::ScopedAStatus::ok();
} else {
+ LOG(ERROR) << __func__ << ": instance " << in_handle << " does not exist!";
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
}
}
+// go over the map and cleanup all expired weak_ptrs.
+void Factory::cleanupEffectMap() {
+ for (auto it = mEffectUuidMap.begin(); it != mEffectUuidMap.end();) {
+ if (nullptr == it->first.lock()) {
+ it = mEffectUuidMap.erase(it);
+ } else {
+ ++it;
+ }
+ }
+}
+
+ndk::ScopedAStatus Factory::destroyEffect(const std::shared_ptr<IEffect>& in_handle) {
+ LOG(DEBUG) << __func__ << ": instance " << in_handle.get();
+ ndk::ScopedAStatus status = destroyEffectImpl(in_handle);
+ // always do the cleanup
+ cleanupEffectMap();
+ return status;
+}
+
} // namespace aidl::android::hardware::audio::effect