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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2018, Google Inc.
 *
 * vl42device_test.h - libcamera v4l2device test base class
 */
#ifndef __LIBCAMERA_V4L2_DEVICE_TEST_H_
#define __LIBCAMERA_V4L2_DEVICE_TEST_H_

#include <memory>

#include <libcamera/framebuffer.h>

#include "libcamera/internal/camera_sensor.h"
#include "libcamera/internal/device_enumerator.h"
#include "libcamera/internal/media_device.h"
#include "libcamera/internal/v4l2_subdevice.h"
#include "libcamera/internal/v4l2_videodevice.h"

#include "test.h"

using namespace libcamera;

class V4L2VideoDeviceTest : public Test
{
public:
	V4L2VideoDeviceTest(const char *driver, const char *entity)
		: driver_(driver), entity_(entity), sensor_(nullptr),
		  debayer_(nullptr), capture_(nullptr)
	{
	}

protected:
	int init();
	void cleanup();

	std::string driver_;
	std::string entity_;
	std::unique_ptr<DeviceEnumerator> enumerator_;
	std::shared_ptr<MediaDevice> media_;
	CameraSensor *sensor_;
	V4L2Subdevice *debayer_;
	V4L2VideoDevice *capture_;
	std::vector<std::unique_ptr<FrameBuffer>> buffers_;
};

#endif /* __LIBCAMERA_V4L2_DEVICE_TEST_H_ */
n>IPAContext &context, const IPAConfigInfo &configInfo) override; void prepare(IPAContext &context, ipu3_uapi_params *params) override; void process(IPAContext &context, const ipu3_uapi_stats_3a *stats) override; /* \todo Make these structs available to all the ISPs ? */ struct RGB { RGB(double _R = 0, double _G = 0, double _B = 0) : R(_R), G(_G), B(_B) { } double R, G, B; RGB &operator+=(RGB const &other) { R += other.R, G += other.G, B += other.B; return *this; } }; struct AwbStatus { double temperatureK; double redGain; double greenGain; double blueGain; }; private: void calculateWBGains(const ipu3_uapi_stats_3a *stats); void generateZones(); void generateAwbStats(const ipu3_uapi_stats_3a *stats); void clearAwbStats(); void awbGreyWorld(); uint32_t estimateCCT(double red, double green, double blue); static constexpr uint16_t threshold(float value); std::vector<RGB> zones_; Accumulator awbStats_[kAwbStatsSizeX * kAwbStatsSizeY]; AwbStatus asyncResults_; uint32_t stride_; uint32_t cellsPerZoneX_; uint32_t cellsPerZoneY_; uint32_t cellsPerZoneThreshold_; }; } /* namespace ipa::ipu3::algorithms */ } /* namespace libcamera*/ #endif /* __LIBCAMERA_IPU3_ALGORITHMS_AWB_H__ */