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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2019-2020, Raspberry Pi Ltd
*
* camera_mode.h - description of a particular operating mode of a sensor
*/
#pragma once
#include <libcamera/transform.h>
#include <libcamera/base/utils.h>
/*
* Description of a "camera mode", holding enough information for control
* algorithms to adapt their behaviour to the different modes of the camera,
* including binning, scaling, cropping etc.
*/
struct CameraMode {
/* bit depth of the raw camera output */
uint32_t bitdepth;
/* size in pixels of frames in this mode */
uint16_t width;
uint16_t height;
/* size of full resolution uncropped frame ("sensor frame") */
uint16_t sensorWidth;
uint16_t sensorHeight;
/* binning factor (1 = no binning, 2 = 2-pixel binning etc.) */
uint8_t binX;
uint8_t binY;
/* location of top left pixel in the sensor frame */
uint16_t cropX;
uint16_t cropY;
/* scaling factor (so if uncropped, width*scaleX is sensorWidth) */
double scaleX;
double scaleY;
/* scaling of the noise compared to the native sensor mode */
double noiseFactor;
/* minimum and maximum line time and frame durations */
libcamera::utils::Duration minLineLength;
libcamera::utils::Duration maxLineLength;
libcamera::utils::Duration minFrameDuration;
libcamera::utils::Duration maxFrameDuration;
/* any camera transform *not* reflected already in the camera tuning */
libcamera::Transform transform;
/* minimum and maximum frame lengths in units of lines */
uint32_t minFrameLength;
uint32_t maxFrameLength;
/* sensitivity of this mode */
double sensitivity;
/* pixel clock rate */
uint64_t pixelRate;
/* Mode specific shutter speed limits */
libcamera::utils::Duration minShutter;
libcamera::utils::Duration maxShutter;
/* Mode specific analogue gain limits */
double minAnalogueGain;
double maxAnalogueGain;
};
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