/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * v4l2_compat.cpp - V4L2 compatibility layer */ #include "v4l2_compat_manager.h" #include #include #include #include #include #include #define LIBCAMERA_PUBLIC __attribute__((visibility("default"))) using namespace libcamera; #define extract_va_arg(type, arg, last) \ { \ va_list ap; \ va_start(ap, last); \ arg = va_arg(ap, type); \ va_end(ap); \ } extern "C" { LIBCAMERA_PUBLIC int open(const char *path, int oflag, ...) { mode_t mode = 0; if (oflag & O_CREAT || oflag & O_TMPFILE) extract_va_arg(mode_t, mode, oflag); return V4L2CompatManager::instance()->openat(AT_FDCWD, path, oflag, mode); } /* _FORTIFY_SOURCE redirects open to __open_2 */ LIBCAMERA_PUBLIC int __open_2(const char *path, int oflag) { return open(path, oflag); } LIBCAMERA_PUBLIC int openat(int dirfd, const char *path, int oflag, ...) { mode_t mode = 0; if (oflag & O_CREAT || oflag & O_TMPFILE) extract_va_arg(mode_t, mode, oflag); return V4L2CompatManager::instance()->openat(dirfd, path, oflag, mode); } LIBCAMERA_PUBLIC int __openat_2(int dirfd, const char *path, int oflag) { return openat(dirfd, path, oflag); } LIBCAMERA_PUBLIC int dup(int oldfd) { return V4L2CompatManager::instance()->dup(oldfd); } LIBCAMERA_PUBLIC int close(int fd) { return V4L2CompatManager::instance()->close(fd); } LIBCAMERA_PUBLIC void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset) { return V4L2CompatManager::instance()->mmap(addr, length, prot, flags, fd, offset); } LIBCAMERA_PUBLIC int munmap(void *addr, size_t length) { return V4L2CompatManager::instance()->munmap(addr, length); } LIBCAMERA_PUBLIC int ioctl(int fd, unsigned long request, ...) { void *arg; extract_va_arg(void *, arg, request); return V4L2CompatManager::instance()->ioctl(fd, request, arg); } } ion value='author'>author
path: root/test/camera-sensor.cpp
blob: 8c7fd1d2d4445db320488b01df67e34bb6baf234 (plain) 
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * camera-sensor.cpp - Camera sensor tests
 */

#include <algorithm>
#include <iostream>

#include <linux/media-bus-format.h>

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

#include "test.h"

using namespace std;
using namespace libcamera;

class CameraSensorTest : public Test
{
protected:
	int init()
	{
		enumerator_ = DeviceEnumerator::create();
		if (!enumerator_) {
			cerr << "Failed to create device enumerator" << endl;
			return TestFail;
		}

		if (enumerator_->enumerate()) {
			cerr << "Failed to enumerate media devices" << endl;
			return TestFail;
		}

		DeviceMatch dm("vimc");
		media_ = enumerator_->search(dm);
		if (!media_) {
			cerr << "Unable to find \'vimc\' media device node" << endl;
			return TestSkip;
		}

		MediaEntity *entity = media_->getEntityByName("Sensor A");
		if (!entity) {
			cerr << "Unable to find media entity 'Sensor A'" << endl;
			return TestFail;
		}

		sensor_ = new CameraSensor(entity);
		if (sensor_->init() < 0) {
			cerr << "Unable to initialise camera sensor" << endl;
			return TestFail;
		}

		return TestPass;
	}

	int run()
	{
		if (sensor_->model() != "Sensor A") {
			cerr << "Incorrect sensor model '" << sensor_->model()
			     << "'" << endl;
			return TestFail;
		}

		const std::vector<unsigned int> &codes = sensor_->mbusCodes();
		auto iter = std::find(codes.begin(), codes.end(),
				      MEDIA_BUS_FMT_ARGB8888_1X32);
		if (iter == codes.end()) {
			cerr << "Sensor doesn't support ARGB8888_1X32" << endl;
			return TestFail;
		}

		const std::vector<Size> &sizes = sensor_->sizes();
		auto iter2 = std::find(sizes.begin(), sizes.end(),
				       Size(4096, 2160));
		if (iter2 == sizes.end()) {
			cerr << "Sensor doesn't support 4096x2160" << endl;
			return TestFail;
		}

		const Size &resolution = sensor_->resolution();
		if (resolution != Size(4096, 2160)) {
			cerr << "Incorrect sensor resolution "
			     << resolution.toString() << endl;
			return TestFail;
		}

		/* Use an invalid format and make sure it's not selected. */
		V4L2SubdeviceFormat format = sensor_->getFormat({ 0xdeadbeef,
								  MEDIA_BUS_FMT_SBGGR10_1X10,
								  MEDIA_BUS_FMT_BGR888_1X24 },
								Size(1024, 768));
		if (format.mbus_code != MEDIA_BUS_FMT_SBGGR10_1X10 ||
		    format.size != Size(4096, 2160)) {
			cerr << "Failed to get a suitable format, expected 4096x2160-0x"
			     << utils::hex(MEDIA_BUS_FMT_SBGGR10_1X10)
			     << ", got " << format.toString() << endl;
			return TestFail;
		}

		return TestPass;
	}

	void cleanup()
	{
		delete sensor_;
	}

private:
	std::unique_ptr<DeviceEnumerator> enumerator_;
	std::shared_ptr<MediaDevice> media_;
	CameraSensor *sensor_;
};

TEST_REGISTER(CameraSensorTest)