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d0c429c34c
We use the CamHelper class to initialise it to the usual value of 1. The CamHelper's GetModeSensitivity method can be redefined to implement a different behaviour for sensors that require it. Signed-off-by: David Plowman <david.plowman@raspberrypi.com> Reviewed-by: Naushir Patuck <naush@raspberrypi.com> Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* Copyright (C) 2019-2020, Raspberry Pi (Trading) Limited
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*
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* camera_mode.h - description of a particular operating mode of a sensor
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*/
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#pragma once
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#include <libcamera/transform.h>
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#include <libcamera/base/utils.h>
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// Description of a "camera mode", holding enough information for control
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// algorithms to adapt their behaviour to the different modes of the camera,
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// including binning, scaling, cropping etc.
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define CAMERA_MODE_NAME_LEN 32
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struct CameraMode {
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// bit depth of the raw camera output
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uint32_t bitdepth;
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// size in pixels of frames in this mode
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uint16_t width, height;
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// size of full resolution uncropped frame ("sensor frame")
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uint16_t sensor_width, sensor_height;
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// binning factor (1 = no binning, 2 = 2-pixel binning etc.)
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uint8_t bin_x, bin_y;
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// location of top left pixel in the sensor frame
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uint16_t crop_x, crop_y;
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// scaling factor (so if uncropped, width*scale_x is sensor_width)
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double scale_x, scale_y;
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// scaling of the noise compared to the native sensor mode
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double noise_factor;
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// line time
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libcamera::utils::Duration line_length;
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// any camera transform *not* reflected already in the camera tuning
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libcamera::Transform transform;
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// minimum and maximum fame lengths in units of lines
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uint32_t min_frame_length, max_frame_length;
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// sensitivity of this mode
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double sensitivity;
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};
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#ifdef __cplusplus
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}
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#endif
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