[SV HIDL] Adds HAL interfaces for surround view.
Bug: 148618804
Test: Build passed.
Change-Id: Ie5d8540258d456408394e9ac4256db764f6b3cd7
diff --git a/automotive/sv/1.0/ISurroundViewService.hal b/automotive/sv/1.0/ISurroundViewService.hal
new file mode 100644
index 0000000..7de0bd1
--- /dev/null
+++ b/automotive/sv/1.0/ISurroundViewService.hal
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2020 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.
+ */
+
+package android.hardware.automotive.sv@1.0;
+
+import ISurroundView2dSession;
+import ISurroundView3dSession;
+
+/**
+ * Interface representing entry point for surround view.
+ *
+ * Surround view service has two types of sessions 2d and 3d. Refer to their respective interface
+ * for more details.
+ */
+interface ISurroundViewService {
+
+ /**
+ * Gets a list of camera ids that are used for generating surround view.
+ * For 4 camera configuration, the cameras ids are ordered in clockwise direction
+ * when viewed from top of the car starting with the front camera. i.e. FRONT, RIGHT, REAR and
+ * LEFT. All other configurations must follow clockwise order.
+ *
+ * @result cameraIds List of camera ids that matching the Id of EVS Cameras used by service.
+ */
+ getCameraIds() generates (vec<string> cameraIds);
+
+ /**
+ * Starts a surround view 2d session.
+ *
+ * @result sv2dSession Returns a new 2d session that was created.
+ * result Returns OK if successful, appropriate error result otherwise.
+ */
+ start2dSession() generates (ISurroundView2dSession sv2dSession, SvResult result);
+
+ /**
+ * Stops a surround view 2d session.
+ *
+ * @param sv2dSession Valid 2d session to be stopped.
+ * @return svResult Returns OK if successful, appropriate error result otherwise.
+ */
+ stop2dSession(ISurroundView2dSession sv2dSession) generates (SvResult result);
+
+ /**
+ * Starts a surround view 3d session.
+ *
+ * @result sv3dSession Returns a new 3d session that was created.
+ * result Returns OK if successful, appropriate error result otherwise.
+ */
+ start3dSession() generates (ISurroundView3dSession sv3dSession, SvResult result);
+
+ /**
+ * Stops a surround view 2d session.
+ *
+ * @param sv2dSession Valid 2d session to be stopped.
+ * @return svResult Returns OK if successful, appropriate error result otherwise.
+ */
+ stop3dSession(ISurroundView3dSession sv3dSession) generates (SvResult result);
+};