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pipeline: ipa: raspberrypi: Refactor and move the Raspberry Pi code

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Split the Raspberry Pi pipeline handler and IPA source code into common
and VC4/BCM2835 specific file structures.

For the pipeline handler, the common code files now live in
src/libcamera/pipeline/rpi/common/
and the VC4-specific files in src/libcamera/pipeline/rpi/vc4/.

For the IPA, the common code files now live in
src/ipa/rpi/{cam_helper,controller}/
and the vc4 specific files in src/ipa/rpi/vc4/. With this change, the
camera tuning files are now installed under share/libcamera/ipa/rpi/vc4/.

To build the pipeline and IPA, the meson configuration options have now
changed from "raspberrypi" to "rpi/vc4":

meson setup build -Dipas=rpi/vc4 -Dpipelines=rpi/vc4

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Naushir Patuck
2023-05-04 20:47:40 +03:00
committed by Laurent Pinchart
parent 46aefed208
commit 726e9274ea
121 changed files with 172 additions and 109 deletions
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src/ipa/rpi/controller/camera_mode.h
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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;
};