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TermApp/app/src/main/cpp/camera2/ndkcamera.h

90 lines
2.7 KiB
C++

// Tencent is pleased to support the open source community by making ncnn available.
//
// Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
//
// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// https://opensource.org/licenses/BSD-3-Clause
//
// 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.
#ifndef NDKCAMERA_H
#define NDKCAMERA_H
#include <camera/NdkCameraDevice.h>
#include <camera/NdkCameraManager.h>
#include <camera/NdkCameraMetadata.h>
#include <media/NdkImageReader.h>
#include <opencv2/core/core.hpp>
#include "Camera2Helper.h"
/**
* Range of Camera Exposure Time:
* Camera's capability range have a very long range which may be disturbing
* on camera. For this sample purpose, clamp to a range showing visible
* video on preview: 100000ns ~ 250000000ns
*/
static const uint64_t kMinExposureTime = static_cast<uint64_t>(1000000);
static const uint64_t kMaxExposureTime = static_cast<uint64_t>(250000000);
class NdkCamera
{
public:
NdkCamera(int32_t width, int32_t height);
virtual ~NdkCamera();
// facing 0=front 1=back
int open(const char* cameraId);
void close();
void onImageAvailable(AImageReader* reader);
virtual bool on_image(const cv::Mat& rgb);
virtual void on_error(const std::string& msg);
virtual void on_image(const unsigned char* nv21, int nv21_width, int nv21_height);
void onCaptureCompleted(ACameraCaptureSession* session, ACaptureRequest* request, const ACameraMetadata* result);
public:
int camera_facing;
int camera_orientation;
bool m_firstFrame;
int32_t mWidth;
int32_t mHeight;
std::string mCameraId;
bool hdrSupported;
bool nightModeSupported;
bool nightPortraitModeSupported;
bool afSupported;
bool awbSupported;
// int64_t exposureTime_;
RangeValue<int64_t> exposureRange;
// int32_t sensitivity_;
RangeValue<int32_t> sensitivityRange;
private:
ACameraManager* camera_manager;
ACameraDevice* camera_device;
AImageReader* image_reader;
ANativeWindow* image_reader_surface;
ACameraOutputTarget* image_reader_target;
ACaptureRequest* capture_request;
ACaptureSessionOutputContainer* capture_session_output_container;
ACaptureSessionOutput* capture_session_output;
ACameraCaptureSession* capture_session;
};
#endif // NDKCAMERA_H