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99 lines
2.9 KiB
99 lines
2.9 KiB
/*
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* Copyright (C) 2020 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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#pragma once
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#include <android/hardware/automotive/sv/1.0/types.h>
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#include <android/hardware/automotive/sv/1.0/ISurroundViewStream.h>
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#include <android/hardware/automotive/sv/1.0/ISurroundView2dSession.h>
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#include <hidl/MQDescriptor.h>
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#include <hidl/Status.h>
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#include <thread>
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using namespace ::android::hardware::automotive::sv::V1_0;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::hardware::hidl_vec;
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using ::android::sp;
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using ::std::mutex;
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namespace android {
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namespace hardware {
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namespace automotive {
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namespace sv {
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namespace V1_0 {
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namespace implementation {
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class SurroundView2dSession : public ISurroundView2dSession {
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public:
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SurroundView2dSession();
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// Methods from ::android::hardware::automotive::sv::V1_0::ISurroundViewSession.
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Return<SvResult> startStream(
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const sp<ISurroundViewStream>& stream) override;
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Return<void> stopStream() override;
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Return<void> doneWithFrames(const SvFramesDesc& svFramesDesc) override;
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// Methods from ISurroundView2dSession follow.
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Return<void> get2dMappingInfo(get2dMappingInfo_cb _hidl_cb) override;
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Return<SvResult> set2dConfig(const Sv2dConfig& sv2dConfig) override;
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Return<void> get2dConfig(get2dConfig_cb _hidl_cb) override;
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Return<void> projectCameraPoints(
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const hidl_vec<Point2dInt>& points2dCamera,
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const hidl_string& cameraId,
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projectCameraPoints_cb _hidl_cb) override;
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// TODO(tanmayp): Make private and add set/get method.
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// Stream subscribed for the session.
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sp<ISurroundViewStream> mStream;
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private:
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void generateFrames();
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enum StreamStateValues {
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STOPPED,
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RUNNING,
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STOPPING,
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DEAD,
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};
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StreamStateValues mStreamState;
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Sv2dConfig mConfig;
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std::thread mCaptureThread; // The thread we'll use to synthesize frames
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struct FramesRecord {
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SvFramesDesc frames;
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bool inUse = false;
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};
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FramesRecord framesRecord;
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// Synchronization necessary to deconflict mCaptureThread from the main service thread
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std::mutex mAccessLock;
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std::vector<std::string> mEvsCameraIds;
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};
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} // namespace implementation
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} // namespace V1_0
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} // namespace sv
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} // namespace automotive
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} // namespace hardware
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} // namespace android
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