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Changyeon Jo2400b692019-07-18 21:32:48 -07001/*
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_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSCAMERAENUMERATOR_H
18#define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSCAMERAENUMERATOR_H
19
Changyeon Joc6fa0ab2019-10-12 05:25:44 -070020#include <android/hardware/automotive/evs/1.1/IEvsEnumerator.h>
Changyeon Jo2400b692019-07-18 21:32:48 -070021#include <android/hardware/automotive/evs/1.1/IEvsCamera.h>
22
23#include <list>
24
Changyeon Joc6fa0ab2019-10-12 05:25:44 -070025#include "ConfigManager.h"
26
Changyeon Jo2400b692019-07-18 21:32:48 -070027using ::android::hardware::automotive::evs::V1_0::EvsResult;
28using ::android::hardware::automotive::evs::V1_0::IEvsDisplay;
29using ::android::hardware::automotive::evs::V1_0::DisplayState;
Changyeon Jo2400b692019-07-18 21:32:48 -070030using IEvsCamera_1_0 = ::android::hardware::automotive::evs::V1_0::IEvsCamera;
31using IEvsCamera_1_1 = ::android::hardware::automotive::evs::V1_1::IEvsCamera;
32using CameraDesc_1_0 = ::android::hardware::automotive::evs::V1_0::CameraDesc;
Changyeon Joc6fa0ab2019-10-12 05:25:44 -070033using CameraDesc_1_1 = ::android::hardware::automotive::evs::V1_1::CameraDesc;
Changyeon Jo2400b692019-07-18 21:32:48 -070034
35
36namespace android {
37namespace hardware {
38namespace automotive {
39namespace evs {
40namespace V1_1 {
41namespace implementation {
42
43
44class EvsCamera; // from EvsCamera.h
45class EvsDisplay; // from EvsDisplay.h
46
47
48class EvsEnumerator : public IEvsEnumerator {
49public:
50 // Methods from ::android::hardware::automotive::evs::V1_0::IEvsEnumerator follow.
51 Return<void> getCameraList(getCameraList_cb _hidl_cb) override;
52 Return<sp<IEvsCamera_1_0>> openCamera(const hidl_string& cameraId) override;
53 Return<void> closeCamera(const ::android::sp<IEvsCamera_1_0>& carCamera) override;
54 Return<sp<IEvsDisplay>> openDisplay() override;
55 Return<void> closeDisplay(const ::android::sp<IEvsDisplay>& display) override;
56 Return<DisplayState> getDisplayState() override;
57
Changyeon Joc6fa0ab2019-10-12 05:25:44 -070058 // Methods from ::android::hardware::automotive::evs::V1_1::IEvsEnumerator follow.
59 Return<void> getCameraList_1_1(getCameraList_1_1_cb _hidl_cb) override;
60 Return<sp<IEvsCamera_1_1>> openCamera_1_1(const hidl_string& cameraId,
61 const Stream& streamCfg) override;
Changyeon Jo8bcb4922020-01-15 19:34:50 -080062 Return<bool> isHardware() override { return true; }
Changyeon Joc6fa0ab2019-10-12 05:25:44 -070063
Changyeon Jo2400b692019-07-18 21:32:48 -070064 // Implementation details
65 EvsEnumerator();
66
67private:
68 // NOTE: All members values are static so that all clients operate on the same state
69 // That is to say, this is effectively a singleton despite the fact that HIDL
70 // constructs a new instance for each client.
71 struct CameraRecord {
Changyeon Joc6fa0ab2019-10-12 05:25:44 -070072 CameraDesc_1_1 desc;
Changyeon Jo2400b692019-07-18 21:32:48 -070073 wp<EvsCamera> activeInstance;
74
Changyeon Joc6fa0ab2019-10-12 05:25:44 -070075 CameraRecord(const char *cameraId) : desc() { desc.v1.cameraId = cameraId; }
Changyeon Jo2400b692019-07-18 21:32:48 -070076 };
Changyeon Jo2400b692019-07-18 21:32:48 -070077
Changyeon Joc6fa0ab2019-10-12 05:25:44 -070078 static CameraRecord* findCameraById(const std::string& cameraId);
79
80 static std::list<CameraRecord> sCameraList;
81
82 // Weak pointer. Object destructs if client dies.
83 static wp<EvsDisplay> sActiveDisplay;
84
85 static unique_ptr<ConfigManager> sConfigManager;
Changyeon Jo2400b692019-07-18 21:32:48 -070086};
87
88} // namespace implementation
89} // namespace V1_1
90} // namespace evs
91} // namespace automotive
92} // namespace hardware
93} // namespace android
94
95#endif // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSCAMERAENUMERATOR_H