ndkcamera.h
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// 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 <android/looper.h>
#include <android/native_window.h>
#include <android/sensor.h>
#include <camera/NdkCameraDevice.h>
#include <camera/NdkCameraManager.h>
#include <camera/NdkCameraMetadata.h>
#include <media/NdkImageReader.h>
#include <opencv2/core/core.hpp>
class NdkCamera
{
public:
NdkCamera();
virtual ~NdkCamera();
// facing 0=front 1=back
int open(int camera_facing = 0);
void close();
virtual void on_image(const cv::Mat& rgb) const;
virtual void on_image(const unsigned char* nv21, int nv21_width, int nv21_height) const;
public:
int camera_facing;
int camera_orientation;
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;
};
class NdkCameraWindow : public NdkCamera
{
public:
NdkCameraWindow();
virtual ~NdkCameraWindow();
void set_window(ANativeWindow* win);
virtual void on_image_render(cv::Mat& rgb) const;
virtual void on_image(const unsigned char* nv21, int nv21_width, int nv21_height) const;
public:
mutable int accelerometer_orientation;
private:
ASensorManager* sensor_manager;
mutable ASensorEventQueue* sensor_event_queue;
const ASensor* accelerometer_sensor;
ANativeWindow* win;
};
#endif // NDKCAMERA_H