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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-09-27 00:07:33 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-09-27 23:41:18 +0300
commit2d5a78f664c5e0068cd3f78ff4c501cf4f331d3c (patch)
treeeafd8c9e948ffa47ed13f8559ca597c224a42534 /src/ipa/vimc/data/vimc.conf
parent348df7bc4b5d5281e50c42b5c44b125d7049eb57 (diff)
Documentation: application-developer: Add camera detection check
The simple-cam application has a check to ensure that at least one camera is present before attempting to access the first camera, to avoid a crash. Update the application developer's guide to match this behaviour. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2021, Google Inc.
 *
 * Test:
 * - Multiple reconfigurations of the Camera without stopping the CameraManager
 * - Validate there are no file descriptor leaks when using IPC
 */

#include <dirent.h>
#include <fstream>
#include <iostream>

#include <libcamera/base/event_dispatcher.h>
#include <libcamera/base/file.h>
#include <libcamera/base/thread.h>
#include <libcamera/base/timer.h>

#include <libcamera/framebuffer_allocator.h>

#include "camera_test.h"
#include "test.h"

using namespace libcamera;
using namespace std;
using namespace std::chrono_literals;

namespace {

class CameraReconfigure : public CameraTest, public Test
{
public:
	/* Initialize CameraTest with isolated IPA */
	CameraReconfigure()
		: CameraTest(kCamId_, true)
	{
	}

private:
	static constexpr const char *kCamId_ = "platform/vimc.0 Sensor B";
	static constexpr const char *kIpaProxyName_ = "vimc_ipa_proxy";