Camera: Add static metadata that can map device state to orientation

Allow camera providers to advertise the mapping between device state
and camera orientation.

Bug: 201005727
Test: VtsHalCameraProviderV2_4TargetTest
--gtest_filter=PerInstance/CameraHidlTest.getCameraCharacteristics/0_internal_0

Change-Id: Ibb035f4dc3d8af1106ac08f86e43b953ddcbf55b

3 files changed, 67 insertions, 0 deletions

diff --git a/camera/metadata/3.7/types.hal b/camera/metadata/3.7/types.hal
new file mode 100644
index 0000000000..a09bdf9977
--- /dev/null
+++ b/camera/metadata/3.7/types.hal
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+/*
+ * Autogenerated from camera metadata definitions in
+ * /system/media/camera/docs/metadata_definitions.xml
+ * *** DO NOT EDIT BY HAND ***
+ */
+
+package android.hardware.camera.metadata@3.7;
+
+import android.hardware.camera.metadata@3.2;
+import android.hardware.camera.metadata@3.3;
+import android.hardware.camera.metadata@3.4;
+import android.hardware.camera.metadata@3.5;
+import android.hardware.camera.metadata@3.6;
+
+// No new metadata sections added in this revision
+
+/**
+ * Main enumeration for defining camera metadata tags added in this revision
+ *
+ * <p>Partial documentation is included for each tag; for complete documentation, reference
+ * '/system/media/camera/docs/docs.html' in the corresponding Android source tree.</p>
+ */
+enum CameraMetadataTag : @3.6::CameraMetadataTag {
+    /** android.info.deviceStateOrientations [static, int64[], ndk_public]
+     */
+    ANDROID_INFO_DEVICE_STATE_ORIENTATIONS = android.hardware.camera.metadata@3.4::CameraMetadataTag:ANDROID_INFO_END_3_4,
+
+    ANDROID_INFO_END_3_7,
+
+};
+
+/*
+ * Enumeration definitions for the various entries that need them
+ */
diff --git a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
index 7727547e7d..ad3da48aab 100644
--- a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
+++ b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
@@ -8161,6 +8161,20 @@ void CameraHidlTest::verifyCameraCharacteristics(Status status, const CameraMeta
                 poseReference >= ANDROID_LENS_POSE_REFERENCE_PRIMARY_CAMERA);
     }
 
+    retcode = find_camera_metadata_ro_entry(metadata,
+            ANDROID_INFO_DEVICE_STATE_ORIENTATIONS, &entry);
+    if (0 == retcode && entry.count > 0) {
+        ASSERT_TRUE((entry.count % 2) == 0);
+        uint64_t maxPublicState = ((uint64_t) provider::V2_5::DeviceState::FOLDED) << 1;
+        uint64_t vendorStateStart = 1UL << 31; // Reserved for vendor specific states
+        uint64_t stateMask = (1 << vendorStateStart) - 1;
+        stateMask &= ~((1 << maxPublicState) - 1);
+        for (int i = 0; i < entry.count; i += 2){
+            ASSERT_TRUE((entry.data.i64[i] & stateMask) == 0);
+            ASSERT_TRUE((entry.data.i64[i+1] % 90) == 0);
+        }
+    }
+
     verifyExtendedSceneModeCharacteristics(metadata);
     verifyZoomCharacteristics(metadata);
 }
diff --git a/current.txt b/current.txt
index e70aef0c57..4841c97f4c 100644
--- a/current.txt
+++ b/current.txt
@@ -900,4 +900,7 @@ c8a57364f6ad20842be14f4db284df5304f7521ca8eac6bcc1fa6c5b466fb8a6 android.hardwar
 0821f516e4d428bc15251969f7e19411c94d8f2ccbd99e1fc8168d8e49e38b0f android.hardware.wifi.supplicant@1.4::types
 4a087a308608d146b022ebc15633de989f5f4dfe1491a83fa41763290a82e40d android.hardware.automotive.vehicle@2.0::types
 
+# HALs released in Android SCv2
+77f6fcf3fd0dd3e424d8a0292094ebd17e4c35454bb9abbd3a6cbed1aba70765 android.hardware.camera.metadata@3.7::types
+
 # There should be no more HIDL HALs - please use AIDL instead.