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74 lines
2.5 KiB
74 lines
2.5 KiB
4 months ago
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSCAMERAENUMERATOR_H
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#define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSCAMERAENUMERATOR_H
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#include <android/hardware/automotive/evs/1.0/IEvsEnumerator.h>
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#include <android/hardware/automotive/evs/1.0/IEvsCamera.h>
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#include <list>
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namespace android {
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namespace hardware {
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namespace automotive {
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namespace evs {
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namespace V1_0 {
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namespace implementation {
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class EvsCamera; // from EvsCamera.h
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class EvsDisplay; // from EvsDisplay.h
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class EvsEnumerator : public IEvsEnumerator {
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public:
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// Methods from ::android::hardware::automotive::evs::V1_0::IEvsEnumerator follow.
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Return<void> getCameraList(getCameraList_cb _hidl_cb) override;
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Return<sp<IEvsCamera>> openCamera(const hidl_string& cameraId) override;
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Return<void> closeCamera(const ::android::sp<IEvsCamera>& carCamera) override;
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Return<sp<IEvsDisplay>> openDisplay() override;
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Return<void> closeDisplay(const ::android::sp<IEvsDisplay>& display) override;
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Return<DisplayState> getDisplayState() override;
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// Implementation details
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EvsEnumerator();
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private:
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// NOTE: All members values are static so that all clients operate on the same state
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// That is to say, this is effectively a singleton despite the fact that HIDL
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// constructs a new instance for each client.
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struct CameraRecord {
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CameraDesc desc;
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wp<EvsCamera> activeInstance;
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CameraRecord(const char *cameraId) : desc() { desc.cameraId = cameraId; }
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};
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static std::list<CameraRecord> sCameraList;
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static wp<EvsDisplay> sActiveDisplay; // Weak pointer. Object destructs if client dies.
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};
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} // namespace implementation
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} // namespace V1_0
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} // namespace evs
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} // namespace automotive
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} // namespace hardware
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} // namespace android
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#endif // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSCAMERAENUMERATOR_H
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