1 /* 2 * Copyright (C) 2019 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 17 #ifndef ANDROID_SERVERS_CAMERA_CAMERAOFFLINESESSIONBASE_H 18 #define ANDROID_SERVERS_CAMERA_CAMERAOFFLINESESSIONBASE_H 19 20 #include <vector> 21 22 #include <utils/RefBase.h> 23 #include <utils/String8.h> 24 #include <utils/Timers.h> 25 26 #include "camera/CaptureResult.h" 27 #include "camera/CameraSessionStats.h" 28 #include "FrameProducer.h" 29 30 namespace android { 31 32 /** 33 * Abstract class for HAL notification listeners 34 */ 35 class NotificationListener : public virtual RefBase { 36 public: 37 // The set of notifications is a merge of the notifications required for 38 // API1 and API2. 39 40 // Required for API 1 and 2 41 virtual void notifyError(int32_t errorCode, 42 const CaptureResultExtras &resultExtras) = 0; 43 virtual status_t notifyActive() = 0; // May return an error since it checks appops 44 virtual void notifyIdle(int64_t requestCount, int64_t resultError, bool deviceError, 45 const std::vector<hardware::CameraStreamStats>& streamStats) = 0; 46 47 // Required only for API2 48 virtual void notifyShutter(const CaptureResultExtras &resultExtras, 49 nsecs_t timestamp) = 0; 50 virtual void notifyPrepared(int streamId) = 0; 51 virtual void notifyRequestQueueEmpty() = 0; 52 53 // Required only for API1 54 virtual void notifyAutoFocus(uint8_t newState, int triggerId) = 0; 55 virtual void notifyAutoExposure(uint8_t newState, int triggerId) = 0; 56 virtual void notifyAutoWhitebalance(uint8_t newState, 57 int triggerId) = 0; 58 virtual void notifyRepeatingRequestError(long lastFrameNumber) = 0; 59 protected: ~NotificationListener()60 virtual ~NotificationListener() {} 61 }; 62 63 class CameraOfflineSessionBase : public virtual FrameProducer { 64 public: 65 virtual ~CameraOfflineSessionBase(); 66 67 virtual status_t initialize( 68 wp<NotificationListener> listener) = 0; 69 70 virtual status_t disconnect() = 0; 71 72 virtual status_t dump(int fd) = 0; 73 74 // TODO: notification passing path 75 }; // class CameraOfflineSessionBase 76 77 } // namespace android 78 79 #endif 80