167 lines
6.8 KiB
C++
167 lines
6.8 KiB
C++
/*
|
|
* Copyright (C) 2023 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 "ConfigManager.h"
|
|
|
|
#include <aidl/android/hardware/automotive/evs/BnEvsCamera.h>
|
|
#include <aidl/android/hardware/automotive/evs/BufferDesc.h>
|
|
#include <aidl/android/hardware/automotive/evs/CameraDesc.h>
|
|
#include <aidl/android/hardware/automotive/evs/CameraParam.h>
|
|
#include <aidl/android/hardware/automotive/evs/EvsResult.h>
|
|
#include <aidl/android/hardware/automotive/evs/IEvsCameraStream.h>
|
|
#include <aidl/android/hardware/automotive/evs/IEvsDisplay.h>
|
|
#include <aidl/android/hardware/automotive/evs/ParameterRange.h>
|
|
#include <aidl/android/hardware/automotive/evs/Stream.h>
|
|
// #include <android-base/result.h>
|
|
#include <android/hardware_buffer.h>
|
|
#include <ui/GraphicBuffer.h>
|
|
|
|
#include <functional>
|
|
#include <thread>
|
|
|
|
namespace aidl::android::hardware::automotive::evs::implementation {
|
|
|
|
class EvsMockCamera : public evs::BnEvsCamera {
|
|
// This prevents constructors from direct access while it allows this class to
|
|
// be instantiated via ndk::SharedRefBase::make<>.
|
|
private:
|
|
struct Sigil {
|
|
explicit Sigil() = default;
|
|
};
|
|
|
|
public:
|
|
// Methods from ::android::hardware::automotive::evs::IEvsCamera follow.
|
|
ndk::ScopedAStatus doneWithFrame(const std::vector<evs::BufferDesc>& buffers) override;
|
|
ndk::ScopedAStatus forcePrimaryClient(
|
|
const std::shared_ptr<evs::IEvsDisplay>& display) override;
|
|
ndk::ScopedAStatus getCameraInfo(evs::CameraDesc* _aidl_return) override;
|
|
ndk::ScopedAStatus getExtendedInfo(int32_t opaqueIdentifier,
|
|
std::vector<uint8_t>* value) override;
|
|
ndk::ScopedAStatus getIntParameter(evs::CameraParam id, std::vector<int32_t>* value) override;
|
|
ndk::ScopedAStatus getIntParameterRange(evs::CameraParam id,
|
|
evs::ParameterRange* _aidl_return) override;
|
|
ndk::ScopedAStatus getParameterList(std::vector<evs::CameraParam>* _aidl_return) override;
|
|
ndk::ScopedAStatus getPhysicalCameraInfo(const std::string& deviceId,
|
|
evs::CameraDesc* _aidl_return) override;
|
|
ndk::ScopedAStatus importExternalBuffers(const std::vector<evs::BufferDesc>& buffers,
|
|
int32_t* _aidl_return) override;
|
|
ndk::ScopedAStatus pauseVideoStream() override;
|
|
ndk::ScopedAStatus resumeVideoStream() override;
|
|
ndk::ScopedAStatus setExtendedInfo(int32_t opaqueIdentifier,
|
|
const std::vector<uint8_t>& opaqueValue) override;
|
|
ndk::ScopedAStatus setIntParameter(evs::CameraParam id, int32_t value,
|
|
std::vector<int32_t>* effectiveValue) override;
|
|
ndk::ScopedAStatus setPrimaryClient() override;
|
|
ndk::ScopedAStatus setMaxFramesInFlight(int32_t bufferCount) override;
|
|
ndk::ScopedAStatus startVideoStream(
|
|
const std::shared_ptr<evs::IEvsCameraStream>& receiver) override;
|
|
ndk::ScopedAStatus stopVideoStream() override;
|
|
ndk::ScopedAStatus unsetPrimaryClient() override;
|
|
|
|
static std::shared_ptr<EvsMockCamera> Create(const char* deviceName);
|
|
static std::shared_ptr<EvsMockCamera> Create(
|
|
const char* deviceName, std::unique_ptr<ConfigManager::CameraInfo>& camInfo,
|
|
const evs::Stream* streamCfg = nullptr);
|
|
EvsMockCamera(const EvsMockCamera&) = delete;
|
|
EvsMockCamera& operator=(const EvsMockCamera&) = delete;
|
|
|
|
virtual ~EvsMockCamera() override;
|
|
void shutdown();
|
|
|
|
const evs::CameraDesc& getDesc() { return mDescription; }
|
|
|
|
// Constructors
|
|
EvsMockCamera(Sigil sigil, const char* deviceName,
|
|
std::unique_ptr<ConfigManager::CameraInfo>& camInfo);
|
|
|
|
private:
|
|
// These three functions are expected to be called while mAccessLock is held
|
|
bool setAvailableFrames_Locked(unsigned bufferCount);
|
|
unsigned increaseAvailableFrames_Locked(unsigned numToAdd);
|
|
unsigned decreaseAvailableFrames_Locked(unsigned numToRemove);
|
|
|
|
void generateFrames();
|
|
void fillMockFrame(buffer_handle_t handle, const AHardwareBuffer_Desc* pDesc);
|
|
void returnBufferLocked(const uint32_t bufferId);
|
|
ndk::ScopedAStatus stopVideoStream_impl();
|
|
|
|
CameraDesc mDescription = {}; // The properties of this camera
|
|
|
|
std::thread mCaptureThread; // The thread we'll use to synthesize frames
|
|
|
|
// The callback used to deliver each frame
|
|
std::shared_ptr<evs::IEvsCameraStream> mStream;
|
|
|
|
// Horizontal pixel count in the buffers
|
|
uint32_t mWidth = 0;
|
|
// Vertical pixel count in the buffers
|
|
uint32_t mHeight = 0;
|
|
// Values from android_pixel_format_t
|
|
uint32_t mFormat = HAL_PIXEL_FORMAT_RGBA_8888;
|
|
// Values from from Gralloc.h
|
|
uint64_t mUsage =
|
|
GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_SW_READ_RARELY | GRALLOC_USAGE_SW_WRITE_OFTEN;
|
|
// Bytes per line in the buffers
|
|
uint32_t mStride = 0;
|
|
|
|
struct BufferRecord {
|
|
buffer_handle_t handle;
|
|
bool inUse;
|
|
|
|
explicit BufferRecord(buffer_handle_t h) : handle(h), inUse(false){};
|
|
};
|
|
|
|
std::vector<BufferRecord> mBuffers; // Graphics buffers to transfer images
|
|
unsigned mFramesAllowed; // How many buffers are we currently using
|
|
unsigned mFramesInUse; // How many buffers are currently outstanding
|
|
|
|
enum StreamStateValues {
|
|
STOPPED,
|
|
RUNNING,
|
|
STOPPING,
|
|
DEAD,
|
|
};
|
|
StreamStateValues mStreamState;
|
|
|
|
// Synchronization necessary to deconflict mCaptureThread from the main service thread
|
|
std::mutex mAccessLock;
|
|
|
|
// Static camera module information
|
|
std::unique_ptr<ConfigManager::CameraInfo>& mCameraInfo;
|
|
|
|
// For the extended info
|
|
std::unordered_map<uint32_t, std::vector<uint8_t>> mExtInfo;
|
|
|
|
// For the camera parameters.
|
|
struct CameraParameterDesc {
|
|
CameraParameterDesc(int min = 0, int max = 0, int step = 0, int value = 0) {
|
|
this->range.min = min;
|
|
this->range.max = max;
|
|
this->range.step = step;
|
|
this->value = value;
|
|
}
|
|
|
|
ParameterRange range;
|
|
int32_t value;
|
|
};
|
|
std::unordered_map<CameraParam, std::shared_ptr<CameraParameterDesc>> mParams;
|
|
void initializeParameters();
|
|
};
|
|
|
|
} // namespace aidl::android::hardware::automotive::evs::implementation
|