Move virtual camera service to frameworks/av/services

Bug: 311647154
Bug: 301023410
Test: atest virtual_camera_tests
Test: build & flash & adb shell cmd virtual_camera help
Change-Id: I6d43a2b70f454c9c01ec2abcae9f138cd78c6a85
diff --git a/services/camera/virtualcamera/util/Util.h b/services/camera/virtualcamera/util/Util.h
new file mode 100644
index 0000000..1a0a458
--- /dev/null
+++ b/services/camera/virtualcamera/util/Util.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+#ifndef ANDROID_COMPANION_VIRTUALCAMERA_UTIL_H
+#define ANDROID_COMPANION_VIRTUALCAMERA_UTIL_H
+
+#include <cstdint>
+
+#include "aidl/android/hardware/camera/common/Status.h"
+#include "aidl/android/hardware/camera/device/StreamBuffer.h"
+#include "android/binder_auto_utils.h"
+#include "ui/Fence.h"
+
+namespace android {
+namespace companion {
+namespace virtualcamera {
+
+// Converts camera AIDL status to ndk::ScopedAStatus
+inline ndk::ScopedAStatus cameraStatus(
+    const ::aidl::android::hardware::camera::common::Status status) {
+  return ndk::ScopedAStatus::fromServiceSpecificError(
+      static_cast<int32_t>(status));
+}
+
+// Import Fence from AIDL NativeHandle.
+//
+// If the handle can't be used to construct Fence (is empty or doesn't contain
+// only single fd) this function will return Fence instance in invalid state.
+sp<Fence> importFence(
+    const ::aidl::android::hardware::common::NativeHandle& handle);
+
+}  // namespace virtualcamera
+}  // namespace companion
+}  // namespace android
+
+#endif  // ANDROID_COMPANION_VIRTUALCAMERA_UTIL_H