Merge "Camera: listen to provider instance names from hwservicemanager" into qt-qpr1-dev (3ef81e1a) · Commits · e / os / android_frameworks_av

services/camera/libcameraservice/common/CameraProviderManager.cpp

+22 −15

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@
		#include <future>
		#include <inttypes.h>
		#include <hardware/camera_common.h>
		#include <android/hidl/manager/1.2/IServiceManager.h>
		#include <hidl/ServiceManagement.h>
		#include <functional>
		#include <camera_metadata_hidden.h>
		@@ -47,10 +48,6 @@ using namespace ::android::hardware::camera::common::V1_0;
		using std::literals::chrono_literals::operator""s;

		namespace {
		// Hardcoded name for the passthrough HAL implementation, since it can't be discovered via the
		// service manager
		const std::string kLegacyProviderName("legacy/0");
		const std::string kExternalProviderName("external/0");
		const bool kEnableLazyHal(property_get_bool("ro.camera.enableLazyHal", false));
		} // anonymous namespace

		@@ -62,6 +59,19 @@ CameraProviderManager::sHardwareServiceInteractionProxy{};
		CameraProviderManager::~CameraProviderManager() {
		}

		hardware::hidl_vec<hardware::hidl_string>
		CameraProviderManager::HardwareServiceInteractionProxy::listServices() {
		hardware::hidl_vec<hardware::hidl_string> ret;
		auto manager = hardware::defaultServiceManager1_2();
		if (manager != nullptr) {
		manager->listManifestByInterface(provider::V2_4::ICameraProvider::descriptor,
		[&ret](const hardware::hidl_vec<hardware::hidl_string> &registered) {
		ret = registered;
		});
		}
		return ret;
		}

		status_t CameraProviderManager::initialize(wp<CameraProviderManager::StatusListener> listener,
		ServiceInteractionProxy* proxy) {
		std::lock_guard<std::mutex> lock(mInterfaceMutex);
		@@ -84,9 +94,10 @@ status_t CameraProviderManager::initialize(wp<CameraProviderManager::StatusListe
		return INVALID_OPERATION;
		}

		// See if there's a passthrough HAL, but let's not complain if there's not
		addProviderLocked(kLegacyProviderName, /expected/ false);
		addProviderLocked(kExternalProviderName, /expected/ false);

		for (const auto& instance : mServiceProxy->listServices()) {
		this->addProviderLocked(instance);
		}

		IPCThreadState::self()->flushCommands();

		@@ -1087,7 +1098,7 @@ bool CameraProviderManager::isHiddenPhysicalCamera(const std::string& cameraId)
		return false;
		}

		status_t CameraProviderManager::addProviderLocked(const std::string& newProvider, bool expected) {
		status_t CameraProviderManager::addProviderLocked(const std::string& newProvider) {
		for (const auto& providerInfo : mProviders) {
		if (providerInfo->mProviderName == newProvider) {
		ALOGW("%s: Camera provider HAL with name '%s' already registered", __FUNCTION__,
		@@ -1100,13 +1111,9 @@ status_t CameraProviderManager::addProviderLocked(const std::string& newProvider
		interface = mServiceProxy->getService(newProvider);

		if (interface == nullptr) {
		if (expected) {
		ALOGE("%s: Camera provider HAL '%s' is not actually available", __FUNCTION__,
		newProvider.c_str());
		return BAD_VALUE;
		} else {
		return OK;
		}
		}

		sp<ProviderInfo> providerInfo = new ProviderInfo(newProvider, this);

services/camera/libcameraservice/common/CameraProviderManager.h

+4 −1

Original line number	Diff line number	Diff line
		@@ -78,6 +78,7 @@ public:
		&notification) = 0;
		virtual sp<hardware::camera::provider::V2_4::ICameraProvider> getService(
		const std::string &serviceName) = 0;
		virtual hardware::hidl_vec<hardware::hidl_string> listServices() = 0;
		virtual ~ServiceInteractionProxy() {}
		};

		@@ -95,6 +96,8 @@ public:
		const std::string &serviceName) override {
		return hardware::camera::provider::V2_4::ICameraProvider::getService(serviceName);
		}

		virtual hardware::hidl_vec<hardware::hidl_string> listServices() override;
		};

		/**
		@@ -567,7 +570,7 @@ private:
		hardware::hidl_version minVersion = hardware::hidl_version{0,0},
		hardware::hidl_version maxVersion = hardware::hidl_version{1000,0}) const;

		status_t addProviderLocked(const std::string& newProvider, bool expected = true);
		status_t addProviderLocked(const std::string& newProvider);

		status_t removeProvider(const std::string& provider);
		sp<StatusListener> getStatusListener() const;

services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp

+13 −21

Original line number	Diff line number	Diff line
		@@ -205,6 +205,11 @@ struct TestInteractionProxy : public CameraProviderManager::ServiceInteractionPr
		return mTestCameraProvider;
		}

		virtual hardware::hidl_vec<hardware::hidl_string> listServices() override {
		hardware::hidl_vec<hardware::hidl_string> ret = {"test/0"};
		return ret;
		}

		};

		struct TestStatusListener : public CameraProviderManager::StatusListener {
		@@ -231,37 +236,24 @@ TEST(CameraProviderManagerTest, InitializeTest) {
		vendorSection);
		serviceProxy.setProvider(provider);

		int numProviders = static_cast<int>(serviceProxy.listServices().size());

		res = providerManager->initialize(statusListener, &serviceProxy);
		ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
		// Check that both "legacy" and "external" providers (really the same object) are called
		// once for all the init methods
		EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::SET_CALLBACK], 2) <<
		EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::SET_CALLBACK], numProviders) <<
		"Only one call to setCallback per provider expected during init";
		EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_VENDOR_TAGS], 2) <<
		EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_VENDOR_TAGS], numProviders) <<
		"Only one call to getVendorTags per provider expected during init";
		EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::IS_SET_TORCH_MODE_SUPPORTED], 2) <<
		EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::IS_SET_TORCH_MODE_SUPPORTED],
		numProviders) <<
		"Only one call to isSetTorchModeSupported per provider expected during init";
		EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_CAMERA_ID_LIST], 2) <<
		EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::GET_CAMERA_ID_LIST], numProviders) <<
		"Only one call to getCameraIdList per provider expected during init";
		EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::NOTIFY_DEVICE_STATE], 2) <<
		EXPECT_EQ(provider->mCalledCounter[TestICameraProvider::NOTIFY_DEVICE_STATE], numProviders) <<
		"Only one call to notifyDeviceState per provider expected during init";

		std::string legacyInstanceName = "legacy/0";
		std::string externalInstanceName = "external/0";
		bool gotLegacy = false;
		bool gotExternal = false;
		EXPECT_EQ(2u, serviceProxy.mLastRequestedServiceNames.size()) <<
		"Only two service queries expected to be seen by hardware service manager";

		for (auto& serviceName : serviceProxy.mLastRequestedServiceNames) {
		if (serviceName == legacyInstanceName) gotLegacy = true;
		if (serviceName == externalInstanceName) gotExternal = true;
		}
		ASSERT_TRUE(gotLegacy) <<
		"Legacy instance not requested from service manager";
		ASSERT_TRUE(gotExternal) <<
		"External instance not requested from service manager";

		hardware::hidl_string testProviderFqInterfaceName =
		"android.hardware.camera.provider@2.4::ICameraProvider";
		hardware::hidl_string testProviderInstanceName = "test/0";