/src/gstreamer/


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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * imgu.h - Intel IPU3 ImgU
 */
#ifndef __LIBCAMERA_PIPELINE_IPU3_IMGU_H__
#define __LIBCAMERA_PIPELINE_IPU3_IMGU_H__

#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:
	struct PipeConfig {
		float bds_sf;
		Size iif;
		Size bds;
		Size gdc;

		bool isNull() const
		{
			return iif.isNull() || bds.isNull() || gdc.isNull();
		}
	};

	struct Pipe {
		Size input;
		Size main;
		Size viewfinder;
	};

	int init(MediaDevice *media, unsigned int index);

	PipeConfig calculatePipeConfig(Pipe *pipe);

	int configureInput(const Size &size, V4L2DeviceFormat *inputFormat);