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ra.git/tree/src/libcamera?h=pfc/rkisp1-free-run&id=b426b778c680a266d3c67e866fa07d81011bd16d'>libcamera/pipeline/ipu3/imgu.h
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * imgu.h - Intel IPU3 ImgU
 */

#pragma once

#include <memory>
#include <string>

#include "libcamera/internal/v4l2_subdevice.h"
#include "libcamera/internal/v4l2_videodevice.h"

namespace libcamera {

class FrameBuffer;
class MediaDevice;
class Size;
struct StreamConfiguration;

class ImgUDevice
{
public:
	static constexpr unsigned int kFilterWidth = 4;
	static constexpr unsigned int kFilterHeight = 4;

	static constexpr unsigned int kIFAlignWidth = 2;
	static constexpr unsigned int kIFAlignHeight = 4;

	static constexpr unsigned int kIFMaxCropWidth = 40;
	static constexpr unsigned int kIFMaxCropHeight = 540;

	static constexpr unsigned int kBDSAlignWidth = 2;
	static constexpr unsigned int kBDSAlignHeight = 4;

	static constexpr float kBDSSfMax = 2.5;
	static constexpr float kBDSSfMin = 1.0;
	static constexpr float kBDSSfStep = 0.03125;