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generated by cgit v1.2.1 (git 2.18.0) at 2025-02-19 07:38:48 +0000
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * camera_device.h - libcamera Android Camera Device
 */
#ifndef __ANDROID_CAMERA_DEVICE_H__
#define __ANDROID_CAMERA_DEVICE_H__

#include <map>
#include <memory>
#include <tuple>
#include <vector>

#include <hardware/camera3.h>

#include <libcamera/buffer.h>
#include <libcamera/camera.h>
#include <libcamera/geometry.h>
#include <libcamera/request.h>
#include <libcamera/stream.h>

#include "libcamera/internal/buffer.h"
#include "libcamera/internal/log.h"
#include "libcamera/internal/message.h"

#include "camera_buffer.h"
#include "camera_metadata.h"
#include "camera_stream.h"
#include "camera_worker.h"
#include "jpeg/encoder.h"

class CameraDevice : protected libcamera::Loggable
{
public:
	static std::shared_ptr<CameraDevice> create(unsigned int id,
						    const std::shared_ptr<libcamera::Camera> &cam);
	~CameraDevice();

	int initialize();

	int open(const hw_module_t *hardwareModule);
	void close();

	unsigned int id() const { return id_; }
	camera3_device_t *camera3Device() { return &camera3Device_; }
	std::shared_ptr<libcamera::Camera> camera() const { return camera_; }
	libcamera::CameraConfiguration *cameraConfiguration() const
	{
		return config_.get();
	}

	const std::string &maker() const { return maker_; }
	const std::string &model() const { return model_; }
	int facing() const { return facing_; }
	int orientation() const { return orientation_; }
	unsigned int maxJpegBufferSize() const { return maxJpegBufferSize_; }

	void setCallbacks(const camera3_callback_ops_t *callbacks);
	const camera_metadata_t *getStaticMetadata();
	const camera_metadata_t *constructDefaultRequestSettings(int type);
	int configureStreams(camera3_stream_configuration_t *stream_list);
	int processCaptureRequest(camera3_capture_request_t *request);
	void requestComplete(libcamera::Request *request);

protected:
	std::string logPrefix() const override;

private:
	CameraDevice(unsigned int id, const std::shared_ptr<libcamera::Camera> &camera);

	struct Camera3RequestDescriptor {
		Camera3RequestDescriptor(libcamera::Camera *camera,
					 const camera3_capture_request_t *camera3Request);
		~Camera3RequestDescriptor();

		uint32_t frameNumber_;
		uint32_t numBuffers_;
		camera3_stream_buffer_t *buffers_;
		std::vector<std::unique_ptr<libcamera::FrameBuffer>> frameBuffers_;
		CameraMetadata settings_;
		std::unique_ptr<CaptureRequest> request_;
	};

	struct Camera3StreamConfiguration {
		libcamera::Size resolution;
		int androidFormat;
	};

	int initializeStreamConfigurations();
	std::vector<libcamera::Size>