Camera: Support vendor tags from multiple providers
Different vendors could have different vendor tags.
A global vendor tag cache will store all available
vendor tag descriptors from different providers.
The cache will then be shared with each camera client.
Camera metadata will use specific vendor ids stored
in the metadata buffer to identify the correct vendor
tag provider.
Bug: 34275821
Test: adb shell /data/nativetest/cameraservice_test/cameraservice_test
--gtest_filter=CameraProviderManagerTest.MultipleVendorTagTest
Complete Camera/Camera2 CTS tests
Change-Id: I2262128f21a0167504f018230624e2a89786c467
diff --git a/camera/aidl/android/hardware/ICameraService.aidl b/camera/aidl/android/hardware/ICameraService.aidl
index 99c479c..9c0f28b 100644
--- a/camera/aidl/android/hardware/ICameraService.aidl
+++ b/camera/aidl/android/hardware/ICameraService.aidl
@@ -21,6 +21,7 @@
import android.hardware.camera2.ICameraDeviceUser;
import android.hardware.camera2.ICameraDeviceCallbacks;
import android.hardware.camera2.params.VendorTagDescriptor;
+import android.hardware.camera2.params.VendorTagDescriptorCache;
import android.hardware.camera2.impl.CameraMetadataNative;
import android.hardware.ICameraServiceListener;
import android.hardware.CameraInfo;
@@ -130,6 +131,14 @@
VendorTagDescriptor getCameraVendorTagDescriptor();
/**
+ * Retrieve the vendor tag descriptor cache which can have multiple vendor
+ * providers.
+ * Intended to be used by the native code of CameraMetadataNative to correctly
+ * interpret camera metadata with vendor tags.
+ */
+ VendorTagDescriptorCache getCameraVendorTagCache();
+
+ /**
* Read the legacy camera1 parameters into a String
*/
String getLegacyParameters(int cameraId);