You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

101 lines
3.0 KiB

/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <android/hardware/automotive/sv/1.0/types.h>
#include <android/hardware/automotive/sv/1.0/ISurroundViewStream.h>
#include <android/hardware/automotive/sv/1.0/ISurroundView3dSession.h>
#include <hidl/MQDescriptor.h>
#include <hidl/Status.h>
#include <thread>
using namespace ::android::hardware::automotive::sv::V1_0;
using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::hardware::hidl_vec;
using ::android::sp;
using ::std::mutex;
namespace android {
namespace hardware {
namespace automotive {
namespace sv {
namespace V1_0 {
namespace implementation {
class SurroundView3dSession : public ISurroundView3dSession {
public:
SurroundView3dSession();
// Methods from ::android::hardware::automotive::sv::V1_0::ISurroundViewSession.
Return<SvResult> startStream(
const sp<ISurroundViewStream>& stream) override;
Return<void> stopStream() override;
Return<void> doneWithFrames(const SvFramesDesc& svFramesDesc) override;
// Methods from ISurroundView3dSession follow.
Return<SvResult> setViews(const hidl_vec<View3d>& views) override;
Return<SvResult> set3dConfig(const Sv3dConfig& sv3dConfig) override;
Return<void> get3dConfig(get3dConfig_cb _hidl_cb) override;
Return<SvResult> updateOverlays(const OverlaysData& overlaysData);
Return<void> projectCameraPointsTo3dSurface(
const hidl_vec<Point2dInt>& cameraPoints,
const hidl_string& cameraId,
projectCameraPointsTo3dSurface_cb _hidl_cb);
// Stream subscribed for the session.
// TODO(tanmayp): Make private and add set/get method.
sp<ISurroundViewStream> mStream;
private:
void generateFrames();
enum StreamStateValues {
STOPPED,
RUNNING,
STOPPING,
DEAD,
};
StreamStateValues mStreamState;
std::thread mCaptureThread; // The thread we'll use to synthesize frames
struct FramesRecord {
SvFramesDesc frames;
bool inUse = false;
};
FramesRecord framesRecord;
// Synchronization necessary to deconflict mCaptureThread from the main service thread
std::mutex mAccessLock;
std::vector<View3d> mViews;
Sv3dConfig mConfig;
std::vector<std::string> mEvsCameraIds;
};
} // namespace implementation
} // namespace V1_0
} // namespace sv
} // namespace automotive
} // namespace hardware
} // namespace android