1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.car.evs; 17 18 import android.annotation.SystemApi; 19 import android.car.evs.CarEvsManager; 20 import android.car.evs.CarEvsManager.CarEvsStreamEvent; 21 import android.util.Slog; 22 23 /** 24 * Utility class for CarEvsService 25 * 26 * @hide 27 */ 28 @SystemApi 29 public final class CarEvsServiceUtils { 30 private static final String TAG = CarEvsServiceUtils.class.getSimpleName(); CarEvsServiceUtils()31 private CarEvsServiceUtils() {} 32 33 /** 34 * Converts EvsEvent to CarEvsManager.CarEvsStreamEvent. 35 * 36 * See the definition of EvsEventType in hardware/interfaces/automotive/evs/1.1/types.hal 37 */ convertToStreamEvent(int inputEvent)38 static @CarEvsStreamEvent int convertToStreamEvent(int inputEvent) { 39 @CarEvsStreamEvent int outputStatus = CarEvsManager.STREAM_EVENT_NONE; 40 41 switch (inputEvent) { 42 case 0: // EvsEventType.STREAM_STARTED 43 outputStatus = CarEvsManager.STREAM_EVENT_STREAM_STARTED; 44 break; 45 case 1: // EvsEventType.STREAM_STOPPED 46 outputStatus = CarEvsManager.STREAM_EVENT_STREAM_STOPPED; 47 break; 48 case 2: // EvsEventType.FRAME_DROPPED 49 outputStatus = CarEvsManager.STREAM_EVENT_FRAME_DROPPED; 50 break; 51 case 3: // EvsEventType.TIMEOUT 52 outputStatus = CarEvsManager.STREAM_EVENT_TIMEOUT; 53 break; 54 case 4: // EvsEventType.PARAMETER_CHANGED 55 outputStatus = CarEvsManager.STREAM_EVENT_PARAMETER_CHANGED; 56 break; 57 case 5: // EvsEventType.MASTER_RELEASED 58 outputStatus = CarEvsManager.STREAM_EVENT_PRIMARY_OWNER_CHANGED; 59 break; 60 case 6: // EvsEventType.STREAM_ERROR 61 outputStatus = CarEvsManager.STREAM_EVENT_OTHER_ERRORS; 62 break; 63 default: 64 Slog.w(TAG, "Invalid event type: " + inputEvent); 65 break; 66 } 67 68 return outputStatus; 69 } 70 } 71