TermApp/app/src/main/cpp/Camera.h

#ifndef __CAMERA_H__
#define __CAMERA_H__



// Must come before NdkCameraCaptureSession.h
#include <camera/NdkCaptureRequest.h>

#include <camera/NdkCameraCaptureSession.h>
#include <camera/NdkCameraDevice.h>
#include <camera/NdkCameraError.h>
#include <camera/NdkCameraManager.h>
#include <cstdlib>
#include <cstring>
#include <string>
#include <jni.h>
#include <media/NdkImage.h>
#include <media/NdkImageReader.h>


class CCamera
{
public:
	CCamera();
	~CCamera();

	int initCamera(ANativeWindow *imgReaderAnw);
	bool isCapabilitySupported(acamera_metadata_enum_android_request_available_capabilities_t cap);
	bool isCameraReady() { return mIsCameraReady; }
	void closeCamera();
	int takePicture();

	static void onDeviceDisconnected(void * /*obj*/, ACameraDevice * /*device*/) {}
	static void onDeviceError(void * /*obj*/, ACameraDevice * /*device*/,
		int /*errorCode*/) {}
	static void onSessionClosed(void * /*obj*/,
		ACameraCaptureSession * /*session*/) {}
	static void onSessionReady(void * /*obj*/,
		ACameraCaptureSession * /*session*/) {}
	static void onSessionActive(void * /*obj*/,
		ACameraCaptureSession * /*session*/) {}

private:
	ACameraDevice_StateCallbacks mDeviceCb{ this, onDeviceDisconnected,
										   onDeviceError };
	ACameraCaptureSession_stateCallbacks mSessionCb{
		this, onSessionClosed, onSessionReady, onSessionActive };

	ANativeWindow *mImgReaderAnw{ nullptr }; // not owned by us.

	// Camera manager
	ACameraManager *mCameraManager{ nullptr };
	ACameraIdList *mCameraIdList{ nullptr };
	// Camera device
	ACameraMetadata *mCameraMetadata{ nullptr };
	ACameraDevice *mDevice{ nullptr };
	// Capture session
	ACaptureSessionOutputContainer *mOutputs{ nullptr };
	ACaptureSessionOutput *mImgReaderOutput{ nullptr };
	ACameraCaptureSession *mSession{ nullptr };
	// Capture request
	ACaptureRequest *mCaptureRequest{ nullptr };
	ACameraOutputTarget *mReqImgReaderOutput{ nullptr };

	bool mIsCameraReady{ false };
	const char *mCameraId{ nullptr };

private:

};


#endif // __CAMERA_H__