Merge Android U (ab/10368041)
Bug: 291102124
Merged-In: Ied8e295ae059db07463ba06d3e6d747659b2757f
Change-Id: Ib79234b765308e957b682871b2178b66769f5660
diff --git a/services/camera/libcameraservice/aidl/AidlCameraService.cpp b/services/camera/libcameraservice/aidl/AidlCameraService.cpp
new file mode 100644
index 0000000..a62f6de
--- /dev/null
+++ b/services/camera/libcameraservice/aidl/AidlCameraService.cpp
@@ -0,0 +1,328 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "AidlCameraService"
+
+#include "AidlCameraService.h"
+#include <aidl/AidlCameraDeviceCallbacks.h>
+#include <aidl/AidlCameraDeviceUser.h>
+#include <aidl/AidlCameraServiceListener.h>
+#include <aidl/AidlUtils.h>
+#include <aidl/android/frameworks/cameraservice/common/CameraMetadataType.h>
+#include <android-base/properties.h>
+#include <android/binder_ibinder.h>
+#include <android/binder_manager.h>
+#include <binder/Status.h>
+#include <hidl/HidlTransportSupport.h>
+
+namespace android::frameworks::cameraservice::service::implementation {
+
+using ::android::frameworks::cameraservice::device::implementation::AidlCameraDeviceCallbacks;
+using ::android::frameworks::cameraservice::device::implementation::AidlCameraDeviceUser;
+using ::android::hardware::cameraservice::utils::conversion::aidl::areBindersEqual;
+using ::android::hardware::cameraservice::utils::conversion::aidl::cloneToAidl;
+using ::android::hardware::cameraservice::utils::conversion::aidl::convertToAidl;
+using ::android::hardware::cameraservice::utils::conversion::aidl::filterVndkKeys;
+using ::ndk::ScopedAStatus;
+
+// VNDK classes
+using SCameraMetadataType = ::aidl::android::frameworks::cameraservice::common::CameraMetadataType;
+using SVendorTag = ::aidl::android::frameworks::cameraservice::common::VendorTag;
+using SVendorTagSection = ::aidl::android::frameworks::cameraservice::common::VendorTagSection;
+// NDK classes
+using UICameraService = ::android::hardware::ICameraService;
+using UStatus = ::android::binder::Status;
+
+namespace {
+inline ScopedAStatus fromSStatus(const SStatus& s) {
+ return s == SStatus::NO_ERROR ? ScopedAStatus::ok()
+ : ScopedAStatus::fromServiceSpecificError(
+ static_cast<int32_t>(s));
+}
+inline ScopedAStatus fromUStatus(const UStatus& s) {
+ return s.isOk() ? ScopedAStatus::ok() : fromSStatus(convertToAidl(s));
+}
+} // anonymous namespace
+
+std::shared_ptr<AidlCameraService> kCameraService;
+
+bool AidlCameraService::registerService(::android::CameraService* cameraService) {
+ kCameraService = SharedRefBase::make<AidlCameraService>(cameraService);
+ std::string serviceName = SBnCameraService::descriptor;
+ serviceName += "/default";
+ bool isDeclared = AServiceManager_isDeclared(serviceName.c_str());
+ if (!isDeclared) {
+ ALOGI("%s: AIDL vndk not declared.", __FUNCTION__);
+ return false;
+ }
+
+ binder_exception_t registered = AServiceManager_addService(
+ kCameraService->asBinder().get(), serviceName.c_str());
+ ALOGE_IF(registered != EX_NONE,
+ "%s: AIDL VNDK declared, but failed to register service: %d",
+ __FUNCTION__, registered);
+ return registered == EX_NONE;
+}
+
+AidlCameraService::AidlCameraService(::android::CameraService* cameraService):
+ mCameraService(cameraService) {
+ mVndkVersion = base::GetIntProperty("ro.vndk.version", __ANDROID_API_FUTURE__);
+}
+ScopedAStatus AidlCameraService::getCameraCharacteristics(const std::string& in_cameraId,
+ SCameraMetadata* _aidl_return) {
+ if (_aidl_return == nullptr) { return fromSStatus(SStatus::ILLEGAL_ARGUMENT); }
+
+ ::android::CameraMetadata cameraMetadata;
+ UStatus ret = mCameraService->getCameraCharacteristics(in_cameraId,
+ mVndkVersion,
+ /* overrideToPortrait= */ false,
+ &cameraMetadata);
+ if (!ret.isOk()) {
+ if (ret.exceptionCode() != EX_SERVICE_SPECIFIC) {
+ ALOGE("%s: Transaction error when getting camera characteristics"
+ " from camera service: %d.",
+ __FUNCTION__ , ret.exceptionCode());
+ return fromUStatus(ret);
+ }
+ switch (ret.serviceSpecificErrorCode()) {
+ case UICameraService::ERROR_ILLEGAL_ARGUMENT:
+ ALOGE("%s: Camera ID %s does not exist!", __FUNCTION__, in_cameraId.c_str());
+ return fromSStatus(SStatus::ILLEGAL_ARGUMENT);
+ default:
+ ALOGE("Get camera characteristics from camera service failed: %s",
+ ret.toString8().string());
+ return fromUStatus(ret);
+ }
+ }
+
+ if (filterVndkKeys(mVndkVersion, cameraMetadata) != OK) {
+ ALOGE("%s: Unable to filter vndk metadata keys for version %d",
+ __FUNCTION__, mVndkVersion);
+ return fromSStatus(SStatus::UNKNOWN_ERROR);
+ }
+
+ const camera_metadata_t* rawMetadata = cameraMetadata.getAndLock();
+ cloneToAidl(rawMetadata, _aidl_return);
+ cameraMetadata.unlock(rawMetadata);
+
+ return ScopedAStatus::ok();
+}
+ndk::ScopedAStatus AidlCameraService::connectDevice(
+ const std::shared_ptr<SICameraDeviceCallback>& in_callback,
+ const std::string& in_cameraId,
+ std::shared_ptr<SICameraDeviceUser>* _aidl_return) {
+ // Here, we first get NDK ICameraDeviceUser from mCameraService, then save
+ // that interface in the newly created AidlCameraDeviceUser impl class.
+ if (mCameraService == nullptr) {
+ return fromSStatus(SStatus::UNKNOWN_ERROR);
+ }
+ sp<hardware::camera2::ICameraDeviceUser> unstableDevice = nullptr;
+ // Create a hardware::camera2::ICameraDeviceCallback object which internally
+ // calls callback functions passed through hCallback.
+ sp<AidlCameraDeviceCallbacks> hybridCallbacks = new AidlCameraDeviceCallbacks(in_callback);
+ if (!hybridCallbacks->initializeLooper(mVndkVersion)) {
+ ALOGE("Unable to handle callbacks on device, cannot connect");
+ return fromSStatus(SStatus::UNKNOWN_ERROR);
+ }
+ sp<hardware::camera2::ICameraDeviceCallbacks> callbacks = hybridCallbacks;
+ binder::Status serviceRet = mCameraService->connectDevice(
+ callbacks,
+ in_cameraId,
+ std::string(),
+ /* clientFeatureId= */{},
+ hardware::ICameraService::USE_CALLING_UID,
+ /* scoreOffset= */ 0,
+ /* targetSdkVersion= */ __ANDROID_API_FUTURE__,
+ /* overrideToPortrait= */ false,
+ &unstableDevice);
+ if (!serviceRet.isOk()) {
+ ALOGE("%s: Unable to connect to camera device: %s", __FUNCTION__,
+ serviceRet.toString8().c_str());
+ return fromUStatus(serviceRet);
+ }
+
+ // Now we create a AidlCameraDeviceUser class, store the unstableDevice in it,
+ // and return that back. All calls on that interface will be forwarded to
+ // the NDK AIDL interface.
+ std::shared_ptr<AidlCameraDeviceUser> stableDevice =
+ ndk::SharedRefBase::make<AidlCameraDeviceUser>(unstableDevice);
+ if (!stableDevice->initStatus()) {
+ ALOGE("%s: Unable to initialize camera device AIDL wrapper", __FUNCTION__);
+ return fromSStatus(SStatus::UNKNOWN_ERROR);
+ }
+ hybridCallbacks->setCaptureResultMetadataQueue(
+ stableDevice->getCaptureResultMetadataQueue());
+ *_aidl_return = stableDevice;
+ return ScopedAStatus::ok();
+}
+void AidlCameraService::addToListenerCacheLocked(
+ std::shared_ptr<SICameraServiceListener> stableCsListener,
+ sp<UICameraServiceListener> csListener) {
+ mListeners.emplace_back(std::make_pair(stableCsListener, csListener));
+}
+sp<UICameraServiceListener> AidlCameraService::searchListenerCacheLocked(
+ const std::shared_ptr<SICameraServiceListener>& listener, bool removeIfFound) {
+ // Go through the mListeners list and compare the listener with the VNDK AIDL
+ // listener registered.
+ if (listener == nullptr) {
+ return nullptr;
+ }
+
+ auto it = mListeners.begin();
+ sp<UICameraServiceListener> csListener = nullptr;
+ for (;it != mListeners.end(); it++) {
+ if (areBindersEqual(listener->asBinder(), it->first->asBinder())) {
+ break;
+ }
+ }
+ if (it != mListeners.end()) {
+ csListener = it->second;
+ if (removeIfFound) {
+ mListeners.erase(it);
+ }
+ }
+ return csListener;
+}
+ndk::ScopedAStatus AidlCameraService::addListener(
+ const std::shared_ptr<SICameraServiceListener>& in_listener,
+ std::vector<SCameraStatusAndId>* _aidl_return) {
+ std::vector<hardware::CameraStatus> cameraStatusAndIds{};
+ SStatus status = addListenerInternal(
+ in_listener, &cameraStatusAndIds);
+ if (status != SStatus::NO_ERROR) {
+ return fromSStatus(status);
+ }
+
+ // Convert cameraStatusAndIds to VNDK AIDL
+ convertToAidl(cameraStatusAndIds, _aidl_return);
+ return ScopedAStatus::ok();
+}
+SStatus AidlCameraService::addListenerInternal(
+ const std::shared_ptr<SICameraServiceListener>& listener,
+ std::vector<hardware::CameraStatus>* cameraStatusAndIds) {
+ if (mCameraService == nullptr) {
+ return SStatus::UNKNOWN_ERROR;
+ }
+ if (listener == nullptr || cameraStatusAndIds == nullptr) {
+ ALOGE("%s listener and cameraStatusAndIds must not be NULL", __FUNCTION__);
+ return SStatus::ILLEGAL_ARGUMENT;
+ }
+ sp<UICameraServiceListener> csListener = nullptr;
+ // Check the cache for previously registered callbacks
+ {
+ Mutex::Autolock l(mListenerListLock);
+ csListener = searchListenerCacheLocked(listener);
+ if (csListener == nullptr) {
+ // Wrap a listener with AidlCameraServiceListener and pass it to
+ // CameraService.
+ csListener = sp<AidlCameraServiceListener>::make(listener);
+ // Add to cache
+ addToListenerCacheLocked(listener, csListener);
+ } else {
+ ALOGE("%s: Trying to add a listener %p already registered",
+ __FUNCTION__, listener.get());
+ return SStatus::ILLEGAL_ARGUMENT;
+ }
+ }
+ binder::Status serviceRet =
+ mCameraService->addListenerHelper(csListener, cameraStatusAndIds, true);
+ if (!serviceRet.isOk()) {
+ ALOGE("%s: Unable to add camera device status listener", __FUNCTION__);
+ return convertToAidl(serviceRet);
+ }
+
+ cameraStatusAndIds->erase(std::remove_if(cameraStatusAndIds->begin(),
+ cameraStatusAndIds->end(),
+ [this](const hardware::CameraStatus& s) {
+ bool supportsHAL3 = false;
+ binder::Status sRet =
+ mCameraService->supportsCameraApi(s.cameraId,
+ UICameraService::API_VERSION_2, &supportsHAL3);
+ return !sRet.isOk() || !supportsHAL3;
+ }), cameraStatusAndIds->end());
+
+ return SStatus::NO_ERROR;
+}
+ndk::ScopedAStatus AidlCameraService::removeListener(
+ const std::shared_ptr<SICameraServiceListener>& in_listener) {
+ if (in_listener == nullptr) {
+ ALOGE("%s listener must not be NULL", __FUNCTION__);
+ return fromSStatus(SStatus::ILLEGAL_ARGUMENT);
+ }
+ sp<UICameraServiceListener> csListener = nullptr;
+ {
+ Mutex::Autolock l(mListenerListLock);
+ csListener = searchListenerCacheLocked(in_listener, /*removeIfFound*/true);
+ }
+ if (csListener != nullptr) {
+ mCameraService->removeListener(csListener);
+ } else {
+ ALOGE("%s Removing unregistered listener %p", __FUNCTION__, in_listener.get());
+ return fromSStatus(SStatus::ILLEGAL_ARGUMENT);
+ }
+ return ScopedAStatus::ok();
+}
+ndk::ScopedAStatus AidlCameraService::getCameraVendorTagSections(
+ std::vector<SProviderIdAndVendorTagSections>* _aidl_return) {
+ sp<VendorTagDescriptorCache> gCache = VendorTagDescriptorCache::getGlobalVendorTagCache();
+ if (gCache == nullptr) {
+ return fromSStatus(SStatus::UNKNOWN_ERROR);
+ }
+
+ const std::unordered_map<metadata_vendor_id_t, sp<android::VendorTagDescriptor>>
+ &vendorIdsAndTagDescs = gCache->getVendorIdsAndTagDescriptors();
+ if (vendorIdsAndTagDescs.empty()) {
+ return fromSStatus(SStatus::UNKNOWN_ERROR);
+ }
+
+ std::vector<SProviderIdAndVendorTagSections>& tagIdAndVendorTagSections = *_aidl_return;
+ tagIdAndVendorTagSections.resize(vendorIdsAndTagDescs.size());
+ size_t j = 0;
+ for (auto &vendorIdAndTagDescs : vendorIdsAndTagDescs) {
+ std::vector<SVendorTagSection> vendorTagSections;
+ sp<VendorTagDescriptor> desc = vendorIdAndTagDescs.second;
+ const SortedVector<String8>* sectionNames = desc->getAllSectionNames();
+ size_t numSections = sectionNames->size();
+ std::vector<std::vector<SVendorTag>> tagsBySection(numSections);
+ int tagCount = desc->getTagCount();
+ if (tagCount <= 0) {
+ continue;
+ }
+ std::vector<uint32_t> tags(tagCount);
+ desc->getTagArray(tags.data());
+ for (int i = 0; i < tagCount; i++) {
+ SVendorTag vt;
+ vt.tagId = tags[i];
+ vt.tagName = desc->getTagName(tags[i]);
+ vt.tagType = (SCameraMetadataType) desc->getTagType(tags[i]);
+ ssize_t sectionIdx = desc->getSectionIndex(tags[i]);
+ tagsBySection[sectionIdx].push_back(vt);
+ }
+ vendorTagSections.resize(numSections);
+ for (size_t s = 0; s < numSections; s++) {
+ vendorTagSections[s].sectionName = (*sectionNames)[s].string();
+ vendorTagSections[s].tags = tagsBySection[s];
+ }
+ SProviderIdAndVendorTagSections & prvdrIdAndVendorTagSection =
+ tagIdAndVendorTagSections[j];
+ prvdrIdAndVendorTagSection.providerId = vendorIdAndTagDescs.first;
+ prvdrIdAndVendorTagSection.vendorTagSections = std::move(vendorTagSections);
+ j++;
+ }
+ return ScopedAStatus::ok();
+}
+
+} // namespace android::frameworks::cameraservice::service::implementation